[\/et_pb_fullwidth_header][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n
O que \u00e9 gaseifica\u00e7\u00e3o de carv\u00e3o<\/strong><\/h2>\n[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n
A gaseifica\u00e7\u00e3o do carv\u00e3o \u00e9 a tecnologia central da moderna ind\u00fastria qu\u00edmica do carv\u00e3o.<\/strong><\/p>\nGaseifica\u00e7\u00e3o de carv\u00e3o: refere-se a uma rea\u00e7\u00e3o incompleta entre v\u00e1rios tipos de carv\u00e3o (coque) e agentes gaseificantes contendo oxig\u00eanio (H2O, O2, CO2) em um gaseificador. Sob alta temperatura e certa press\u00e3o, produz g\u00e1s de carv\u00e3o bruto composto por H2, CH4, CO, CO2, N2, tra\u00e7os de H2S, COS, etc.<\/p>\n
[\/et_pb_text][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n
Classifica\u00e7\u00e3o dos Processos de Gaseifica\u00e7\u00e3o do Carv\u00e3o:<\/strong><\/p>\n\n- Mat\u00e9rias-primas: carv\u00e3o pulverizado, carv\u00e3o triturado, polpa de \u00e1gua de carv\u00e3o;<\/li>\n
- Leito de gaseifica\u00e7\u00e3o: leito fluidizado, leito fluidizado, leito fixo;\n<\/li>\n
- O leito fixo \u00e9 feito de carv\u00e3o em peda\u00e7os (15-50 mm) como mat\u00e9ria-prima;<\/li>\n
- O leito fluidizado \u00e9 feito de carv\u00e3o triturado (menos de 10 mm) como mat\u00e9ria-prima;<\/li>\n
- O leito de fluxo de ar \u00e9 feito de carv\u00e3o pulverizado (menos de 0,1 mm) como mat\u00e9ria-prima;\u00a0<\/li>\n<\/ul>\n
[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-Coal-chemical-gasification-method.webp” alt=”Coal chemical gasification method” title_text=”0-Coal chemical gasification method” _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n
Tabela de Levantamento de Componentes do G\u00e1s Bruto Produzidos por Diferentes Processos de Gaseifica\u00e7\u00e3o<\/strong><\/h2>\n[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-Coal-chemical-gasification-method-2.webp” alt=”-Coal chemical gasification method ” title_text=”0-Coal chemical gasification method 2″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n
O que \u00e9 lavagem com metanol em baixa temperatura<\/strong><\/h2>\nProcesso de lavagem de metanol em baixa temperatura: usando metanol frio como solvente de absor\u00e7\u00e3o, aproveitando a alta solubilidade do metanol em gases \u00e1cidos em baixas temperaturas, para remover gases \u00e1cidos do g\u00e1s de alimenta\u00e7\u00e3o, principalmente CO2 e H2S.
A lavagem com metanol a baixa temperatura \u00e9 um m\u00e9todo desenvolvido em conjunto pela Linde e pela Lurgi no in\u00edcio da d\u00e9cada de 1950 para remover gases \u00e1cidos de mat\u00e9rias-primas. Em 1954, foi utilizado pela primeira vez para purifica\u00e7\u00e3o de gases na ind\u00fastria de gaseifica\u00e7\u00e3o pressurizada de carv\u00e3o na \u00c1frica do Sul.
<\/strong><\/p>\n <\/p>\n
\n- Os fornecedores de pacotes de processo de lavagem de metanol em baixa temperatura incluem Linde, Lurgi, Universidade de Tecnologia de Dalian, etc.<\/li>\n
- Existem v\u00e1rios processos de gaseifica\u00e7\u00e3o, que podem ser divididos em tr\u00eas categorias: leito fixo, leito fluidizado e leito fluidizado;<\/li>\n
- A determina\u00e7\u00e3o de se o g\u00e1s de baixa emiss\u00e3o tem valor de recupera\u00e7\u00e3o de calor residual considera principalmente o teor de CH4 no g\u00e1s de exaust\u00e3o;<\/li>\n
- A concentra\u00e7\u00e3o de CH4 depende do processo de gaseifica\u00e7\u00e3o, e os processos de gaseifica\u00e7\u00e3o em leito fixo incluem forno Lurgi, forno BGL, etc.<\/li>\n<\/ul>\n
[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u201d1\u2033 _builder_version=\u201d4.27.4\u2033 _module_preset=\u201ddefault\u201d global_colors_info=\u201d{}\u201d][et_pb_row _builder_version=\u201d4.27.4\u2033 _module_preset=\u201ddefault\u201d global_colors_info=\u201d{}\u201d][et_pb_column type=\u201d4_4\u2033 _builder_version=\u201d4.27.4\u2033 _module_preset=\u201ddefault\u201d global_colors_info=\u201d{}\u201d][et_pb_text _builder_version=\u201d4.27.4\u2033 _module_preset=\u201ddefault\u201d global_colors_info=\u201d{}\u201d]<\/p>\n
Propriedades dos gases residuais<\/strong><\/h2>\n[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_3,2_3″ use_custom_gutter=”on” gutter_width=”2″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”1_3″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n
Caracter\u00edsticas dos gases de exaust\u00e3o da lavagem de metanol em baixa temperatura:<\/p>\n
\n- Os gases de escape s\u00e3o basicamente saturados com vapor de \u00e1gua<\/li>\n
- Alto teor de componentes inertes CO2 e N2<\/li>\n
- O g\u00e1s de escape basicamente n\u00e3o cont\u00e9m oxig\u00eanio<\/li>\n<\/ol>\n
[\/et_pb_text][\/et_pb_column][et_pb_column type=”2_3″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-waste-gas-component.webp” alt=” waste gas component” title_text=”0 waste gas component” align=”center” _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n
Determina\u00e7\u00e3o do volume de ar para suplementa\u00e7\u00e3o de oxig\u00eanio<\/strong><\/h2>\n[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n
Devido ao fato de que os gases de escape quase n\u00e3o cont\u00eam oxig\u00eanio, \u00e9 necess\u00e1rio suplementar os gases de escape com ar para atender \u00e0 necessidade de oxig\u00eanio para a oxida\u00e7\u00e3o completa dos gases de escape.
Princ\u00edpio para determinar a quantidade de ar suplementar:<\/p>\n
1) Considera\u00e7\u00f5es de seguran\u00e7a: an\u00e1lise de risco de explos\u00e3o<\/strong><\/em><\/p>\nDe acordo com a Especifica\u00e7\u00e3o T\u00e9cnica para Tratamento de Gases Org\u00e2nicos Industriais pelo M\u00e9todo de Combust\u00e3o por Armazenamento T\u00e9rmico, a concentra\u00e7\u00e3o de mat\u00e9ria org\u00e2nica que entra no dispositivo RTO deve ser inferior a 25% do limite inferior de explosividade. Calcule o limite inferior de explosividade de misturas complexas de gases combust\u00edveis usando a f\u00f3rmula de Le Chatlier e, em seguida, compare a concentra\u00e7\u00e3o de componentes combust\u00edveis nos gases de exaust\u00e3o com o valor de 25% LEL para determinar a seguran\u00e7a da concentra\u00e7\u00e3o de componentes combust\u00edveis nos gases de exaust\u00e3o.<\/p>\n
2) Considera\u00e7\u00f5es sobre a taxa de purifica\u00e7\u00e3o: \u201c3T1O\u201d<\/em><\/strong><\/p>\n[\/et_pb_text][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-oxygen-supplementation-air-volume.webp” alt=”oxygen supplementation air volume” title_text=”0 oxygen supplementation air volume” _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n
\n- LM \u00e9 o limite explosivo inferior do g\u00e1s misto, %<\/li>\n
- Li \u00e9 o limite explosivo inferior do componente i,%<\/li>\n
- Vi \u00e9 a fra\u00e7\u00e3o volum\u00e9trica de um determinado componente combust\u00edvel para o componente combust\u00edvel, %<\/li>\n<\/ul>\n
[et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u201d4.27.4\u2033 _module_preset=\u201ddefault\u201d global_colors_info=\u201d{}\u201d][et_pb_column type=\u201d4_4\u2033 _builder_version=\u201d4.27.4\u2033 _module_preset=\u201ddefault\u201d global_colors_info=\u201d{}\u201d][et_pb_text _builder_version=\u201d4.27.4\u2033 _module_preset=\u201ddefault\u201d global_colors_info=\u201d{}\u201d]<\/p>\n
Geralmente projetado sem considerar a influ\u00eancia de gases inertes, o limite inferior de explosividade dos gases de escape \u00e9 calculado, e a taxa de dilui\u00e7\u00e3o no ar \u00e9 determinada com base na rela\u00e7\u00e3o entre a concentra\u00e7\u00e3o dos gases de escape e o LEL de 25%. Este c\u00e1lculo pode garantir a seguran\u00e7a intr\u00ednseca, mas o volume dos gases de escape \u00e9 relativamente grande.<\/p>\n
Devido \u00e0 presen\u00e7a de uma grande quantidade de g\u00e1s inerte CO2 no g\u00e1s de exaust\u00e3o de lavagem de metanol de baixa temperatura N2, uma pequena quantidade de componentes combust\u00edveis,
De acordo com o m\u00e9todo de c\u00e1lculo para uma mistura contendo n gases inflam\u00e1veis e p gases inertes, pode-se determinar que o g\u00e1s de exaust\u00e3o misto de baixo grau de gases inflam\u00e1veis e inertes n\u00e3o \u00e9 inflam\u00e1vel e n\u00e3o explosivo.<\/p>\n
Portanto, o g\u00e1s de exaust\u00e3o da lavagem com metanol em baixa temperatura n\u00e3o tem limites explosivos superiores ou inferiores.
A quantidade de reposi\u00e7\u00e3o de ar para g\u00e1s residual de lavagem de metanol de baixa temperatura pode ser determinada com base no teor de oxig\u00eanio do g\u00e1s de combust\u00e3o ap\u00f3s oxida\u00e7\u00e3o completa ser maior que 3%.<\/p>\n
[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” custom_margin=”|auto|14px|auto||” custom_padding=”||62px|||” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n
Processo de c\u00e1lculo da combustibilidade dos gases de escape mistos no ar\u00a0<\/h3>\n
[\/et_pb_text][et_pb_image src=”https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-waste-gas-component-2.webp” alt=”waste gas component” title_text=”0 waste gas component 2″ align=”center” _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][et_pb_image src=”https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-waste-gas-component-3.webp” alt=”waste gas component” title_text=”0 waste gas component 3″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”2_5,3_5″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”2_5″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n
Os gases de escape mistos s\u00e3o projetados para suplementa\u00e7\u00e3o de oxig\u00eanio com base no balan\u00e7o de materiais, com um teor de oxig\u00eanio de cerca de 5% nos gases de combust\u00e3o<\/p>\n
Compara\u00e7\u00e3o entre a concentra\u00e7\u00e3o de componentes combust\u00edveis nos gases de escape ap\u00f3s suplementa\u00e7\u00e3o de oxig\u00eanio e o limite explosivo inferior dos gases de escape (excluindo gases inertes)<\/p>\n
<\/p>\n
Processando o volume total de ar<\/strong><\/h4>\n1) Baixo volume de gases de escape<\/em><\/strong>
2) Volume de ar de suplementa\u00e7\u00e3o de oxig\u00eanio<\/em><\/strong><\/p>\n[\/et_pb_text][et_pb_image src=”https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-waste-gas-component-5.webp” alt=”waste gas component” title_text=”0 waste gas component 5″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][et_pb_column type=”3_5″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-waste-gas-component-4.webp” alt=”waste gas component” title_text=”0 waste gas component 4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][et_pb_image src=”https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-waste-gas-component-2-1.webp” alt=”waste gas component” title_text=”0 waste gas component 2″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” custom_margin=”|auto|17px|auto||” custom_padding=”||50px|||” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n
\u2460 Balan\u00e7o de materiais<\/strong><\/h2>\n[\/et_pb_text][et_pb_image src=”https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-Low-methane-waste-gas.webp” alt=”Low-methane waste gas” title_text=”0 Low-methane waste gas” align=”center” _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n
\u00a02 Equil\u00edbrio t\u00e9rmico<\/strong><\/h2>\n[\/et_pb_text][et_pb_image src=”https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-Heat-balance.webp” alt=”Heat balance” title_text=”0 Heat balance” align=”center” _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n
Casos t\u00edpicos de engenharia<\/strong><\/h2>\n[et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u201d4.27.4\u2033 _module_preset=\u201ddefault\u201d global_colors_info=\u201d{}\u201d][et_pb_column type=\u201d4_4\u2033 _builder_version=\u201d4.27.4\u2033 _module_preset=\u201ddefault\u201d global_colors_info=\u201d{}\u201d][et_pb_text _builder_version=\u201d4.27.4\u2033 _module_preset=\u201ddefault\u201d global_colors_info=\u201d{}\u201d]<\/p>\n
An\u00e1lise de Situa\u00e7\u00e3o<\/h3>\n
A unidade de metanol da Xinye Energy Chemical, com capacidade de 525.000 toneladas\/ano, utiliza tecnologia de gaseifica\u00e7\u00e3o pressurizada de carv\u00e3o mo\u00eddo. Al\u00e9m dos componentes principais CO2 e N2, o g\u00e1s de exaust\u00e3o da lavagem de metanol em baixa temperatura tamb\u00e9m cont\u00e9m metano, hidrocarbonetos totais n\u00e3o met\u00e2nicos, CO2, metanol, etc. Esse g\u00e1s de exaust\u00e3o \u00e9 atualmente descarregado pela chamin\u00e9 da caldeira. De acordo com os requisitos de prote\u00e7\u00e3o ambiental, \u00e9 necess\u00e1rio um tratamento para remo\u00e7\u00e3o de COVs. Al\u00e9m disso, a unidade de polioximetileno tamb\u00e9m possui tr\u00eas gases de exaust\u00e3o que precisam ser tratados.<\/p>\n
[\/et_pb_text][et_pb_image src=”https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-RTO-CASE.webp” alt=”RTO CASE” title_text=”0 RTO CASE” align=”center” _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n
Rota do processo<\/h3>\n
Com base nas caracter\u00edsticas dos componentes combust\u00edveis nos gases de escape, nossos engenheiros decidiram adotar a rota de tecnologia de tratamento de \u201cpurifica\u00e7\u00e3o RTO + caldeira de calor residual a vapor de m\u00e9dia press\u00e3o para recupera\u00e7\u00e3o de calor\u201d; De acordo com o exclusivo \u201cAlgoritmo de Distribui\u00e7\u00e3o de Ar de Seguran\u00e7a da Teoria de Corre\u00e7\u00e3o de G\u00e1s Inerte e Le Chater\u201d da nossa empresa, decidimos selecionar uma v\u00e1lvula rotativa RTO de volume de ar 270000, com um teor de oxig\u00eanio de 5% nos gases de escape ap\u00f3s a incinera\u00e7\u00e3o; Selecionar simultaneamente uma caldeira a vapor de 5,1 MPa\/46T com um projeto de chamin\u00e9 de 120 metros para reduzir o impacto das emiss\u00f5es de escape no ambiente da f\u00e1brica;<\/p>\n
[\/et_pb_text][et_pb_image src=”https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-RTO-CASE-1-1.webp” _builder_version=”4.27.4″ _module_preset=”default” alt=” RTO CASE” title_text=”0 RTO CASE 1″ hover_enabled=”0″ sticky_enabled=”0″][\/et_pb_image][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” hover_enabled=”0″ sticky_enabled=”0″]<\/p>\n
O dispositivo principal adota uma \u00fanica v\u00e1lvula rotativa RTO de volume de ar de 270.000, layout quadrado, equipada com 3 v\u00e1lvulas rotativas de distribui\u00e7\u00e3o de ar e 36 c\u00e2maras de armazenamento de calor<\/p>\n
\n- Tratamento abrangente:<\/strong>
Equipado com um RTO rotativo de 270.000 volumes de ar, g\u00e1s residual de polioximetileno misturado com ar para suplemento de oxig\u00eanio
Utiliza\u00e7\u00e3o de calor residual: 46 t\/h, vapor saturado de 5,1 MPa
<\/strong><\/li>\n- Normas de prote\u00e7\u00e3o ambiental:<\/strong>
emiss\u00f5es totais de hidrocarbonetos n\u00e3o met\u00e2nicos <50mg\/m\u00b3, redu\u00e7\u00e3o anual de emiss\u00f5es de carbono de cerca de 860.000 toneladas;
<\/strong><\/li>\n- Per\u00edodo de retorno:<\/strong> 3 anos<\/li>\n<\/ul>\n
![\"CASO](\"https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-RTO-CASE-3.webp\" "\\"\\"")
<\/p>\n
[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ _module_preset=”default”][et_pb_column _builder_version=”4.27.4″ _module_preset=”default” type=”4_4″][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” hover_enabled=”0″ sticky_enabled=”0″]<\/p>\n
An\u00e1lise de Seguran\u00e7a<\/h3>\n\n- Briefing de Controle\/Cadeia Complexa<\/li>\n
- An\u00e1lise HAZOP<\/li>\n
- Classifica\u00e7\u00e3o SIL<\/li>\n<\/ol>\n
<\/p>\n
[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ _module_preset=”default”][et_pb_column _builder_version=”4.27.4″ _module_preset=”default” type=”4_4″][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” hover_enabled=”0″ sticky_enabled=”0″]<\/p>\n
Inova\u00e7\u00e3o 1 \u2014 Avan\u00e7o no limite inferior de explos\u00e3o em condi\u00e7\u00f5es inertes<\/h3>\n
[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” column_structure=”1_2,1_2″][et_pb_column _builder_version=”4.27.4″ _module_preset=”default” type=”1_2″][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” hover_enabled=”0″ sticky_enabled=”0″]<\/p>\n
125.000 antes da distribui\u00e7\u00e3o a\u00e9rea<\/strong><\/h4>\n\n\n\nC\u00e1lculo dos limites de explos\u00e3o da parte combust\u00edvel de uma mistura<\/td>\n<\/tr>\n \nF\u00f3rmula de Richard Chateli: Lf=100\/\uff08V1\/L1+V2\/L2+\u2026\u2026+Vn\/Ln\uff09<\/td>\n<\/tr>\n \nLimite de explos\u00e3o de g\u00e1s misto Lf, %<\/td>\n 4.26<\/td>\n<\/tr>\n \n25%LEL<\/td>\n 1.065<\/td>\n<\/tr>\n \nConcentra\u00e7\u00e3o total de componentes combust\u00edveis<\/td>\n 2.777<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nDistribui\u00e7\u00e3o de ar convencional: A concentra\u00e7\u00e3o de componentes combust\u00edveis \u00e9 reduzida para <1,065, o que significa que a distribui\u00e7\u00e3o de ar precisa ser 2,6 vezes, e o volume total de ar atinge 330.000.<\/p>\n
[\/et_pb_text][\/et_pb_column][et_pb_column _builder_version=”4.27.4″ _module_preset=”default” type=”1_2″][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” hover_enabled=”0″ sticky_enabled=”0″]<\/p>\n
Considere o efeito do g\u00e1s inerte no limite inferior de explos\u00e3o<\/strong><\/h4>\n![\"CASO](\"https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-RTO-CASE-4.webp\" "\\"\\"")
<\/p>\n
Considerando apenas o suprimento de oxig\u00eanio, o suprimento de ar \u00e9 de 100.000 e o volume total de ar \u00e9 de 220.000<\/p>\n
1. Fundo de ar, o limite inferior de explos\u00e3o a 900\u2103 \u00e9 25%LEL;
2. Fundo inerte, n\u00e3o inflam\u00e1vel e n\u00e3o explosivo \u00e0 temperatura ambiente, mas em alta temperatura?<\/p>\n
[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ _module_preset=”default”][et_pb_column _builder_version=”4.27.4″ _module_preset=”default” type=”4_4″][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” hover_enabled=”0″ sticky_enabled=”0″]<\/p>\n
Inova\u00e7\u00e3o 2 \u2014 Projeto e aplica\u00e7\u00e3o de estrutura RTO quadrada com grande volume de ar<\/h3>\n
![\"CASO](\"https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-RTO-CASE-5.webp\" "\\"\\"")
<\/p>\n
<\/p>\n
\n\n\n\nPar\u00e2metros de desempenho<\/td>\n V\u00e1lvula rotativa RTO<\/td>\n V\u00e1lvula de eleva\u00e7\u00e3o RTO<\/td>\n<\/tr>\n \nVolume de ar<\/td>\n 300.000 Nm\u00b3\/h<\/td>\n 300.000 Nm\u00b3\/h<\/td>\n<\/tr>\n \nEstrutura da v\u00e1lvula direcional<\/td>\n V\u00e1lvula rotativa<\/td>\n V\u00e1lvula de eleva\u00e7\u00e3o<\/td>\n<\/tr>\n \nN\u00famero de v\u00e1lvulas reversoras<\/td>\n 3<\/td>\n 27<\/td>\n<\/tr>\n \nFrequ\u00eancia de choque na troca da v\u00e1lvula de revers\u00e3o<\/td>\n Opera\u00e7\u00e3o cont\u00ednua sem choque<\/td>\n 6,48 milh\u00f5es de vezes\/ano<\/td>\n<\/tr>\n \nN\u00famero de leitos de armazenamento de calor<\/td>\n 36<\/td>\n 9<\/td>\n<\/tr>\n \nVolume de ar por c\u00e2mara<\/td>\n 20000 Nm\u00b3\/h<\/td>\n 75000 Nm\u00b3\/h<\/td>\n<\/tr>\n \n\u00c1rea da se\u00e7\u00e3o transversal de uma \u00fanica c\u00e2mara de armazenamento de calor<\/td>\n 3\u33a1<\/td>\n 14\u33a1<\/td>\n<\/tr>\n \nPeso de enchimento de cer\u00e2mica de armazenamento de calor de c\u00e2mara \u00fanica<\/td>\n 3300 kg<\/td>\n 15600 kg<\/td>\n<\/tr>\n \nN\u00famero de queimadores (pe\u00e7as)<\/td>\n 3<\/td>\n 5<\/td>\n<\/tr>\n \nOcupa\u00e7\u00e3o (comprimento*largura)<\/td>\n 26m\u00d78m<\/td>\n 48m\u00d75m<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” column_structure=”1_2,1_2″][et_pb_column _builder_version=”4.27.4″ _module_preset=”default” type=”1_2″][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” hover_enabled=”0″ sticky_enabled=”0″]<\/p>\n
\u221a Principais indicadores t\u00e9cnicos de prote\u00e7\u00e3o ambiental<\/strong><\/p>\n\n\n\n\nNome do par\u00e2metro<\/td>\n Dados<\/td>\n<\/tr>\n \nG\u00e1s de escape com baixo teor de metano\/10.000 m\u00b3\/h<\/td>\n 10.8-12.5<\/td>\n<\/tr>\n \nSuplemento de oxig\u00eanio ar\/10.000 m\u00b3\/h<\/td>\n 10.5-11.5<\/td>\n<\/tr>\n \nTeor de oxig\u00eanio dos gases de combust\u00e3o de baixa temperatura 1TP 3T<\/td>\n 5<\/td>\n<\/tr>\n \nTemperatura do forno\u2103<\/td>\n 960-990<\/td>\n<\/tr>\n \n\u00d3xidos de nitrog\u00eanio de exaust\u00e3o mg\/m\u00b3<\/td>\n 4.5-10<\/td>\n<\/tr>\n \nHidrocarbonetos totais n\u00e3o met\u00e2nicos de exaust\u00e3o mg\/m\u00b3<\/td>\n 40-60<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n[\/et_pb_text][\/et_pb_column][et_pb_column _builder_version=”4.27.4″ _module_preset=”default” type=”1_2″][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” hover_enabled=”0″ sticky_enabled=”0″]<\/p>\n
\u221a Principais indicadores econ\u00f4micos<\/strong><\/p>\n\n\n\n\nNome do par\u00e2metro<\/td>\n Dados<\/td>\n<\/tr>\n \nPot\u00eancia de distribui\u00e7\u00e3o de energia instalada<\/td>\n 1200 kW\/h<\/td>\n<\/tr>\n \nCusto da eletricidade<\/td>\n 4,8 milh\u00f5es de yuans\/ano<\/td>\n<\/tr>\n \nSa\u00edda de vapor da caldeira de calor residual<\/td>\n 45t\/h<\/td>\n<\/tr>\n \nPar\u00e2metros de vapor<\/td>\n 4,9 MPa, 420 \u2103<\/td>\n<\/tr>\n \nPre\u00e7o do Steam<\/td>\n 120 yuans\/t<\/td>\n<\/tr>\n \nBenef\u00edcios econ\u00f4micos diretos<\/td>\n 43,2 milh\u00f5es de yuans\/ano<\/td>\n<\/tr>\n \nRedu\u00e7\u00e3o do consumo de carv\u00e3o bruto<\/td>\n 50.000 toneladas\/ano<\/td>\n<\/tr>\n \nRedu\u00e7\u00e3o de emiss\u00f5es de carbono<\/td>\n 860.000 toneladas\/ano<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ _module_preset=”default”][et_pb_column _builder_version=”4.27.4″ _module_preset=”default” type=”4_4″][et_pb_image src=”https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-RTO-CASE-6.webp” _builder_version=”4.27.4″ _module_preset=”default” alt=”RTO CASE” title_text=”0 RTO CASE 6″ align=”center” hover_enabled=”0″ sticky_enabled=”0″][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>","protected":false},"excerpt":{"rendered":"
Discover advanced RTO (Regenerative Thermal Oxidizer) systems for efficient VOCs waste gas treatment in the coal chemical industry. Our solutions reduce emissions, comply with environmental regulations, and enhance operational efficiency. Learn how our RTO technology can help your business achieve sustainable growth.What is coal gasificationCoal gasification is the core technology of modern coal chemical industry. 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Gaseifica\u00e7\u00e3o de carv\u00e3o: refere-se a uma rea\u00e7\u00e3o incompleta entre v\u00e1rios tipos de carv\u00e3o (coque) e agentes gaseificantes contendo oxig\u00eanio (H2O, O2, CO2) em um gaseificador. Sob alta temperatura e certa press\u00e3o, produz g\u00e1s de carv\u00e3o bruto composto por H2, CH4, CO, CO2, N2, tra\u00e7os de H2S, COS, etc.<\/p>\n
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Classifica\u00e7\u00e3o dos Processos de Gaseifica\u00e7\u00e3o do Carv\u00e3o:<\/strong><\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-Coal-chemical-gasification-method.webp” alt=”Coal chemical gasification method” title_text=”0-Coal chemical gasification method” _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-Coal-chemical-gasification-method-2.webp” alt=”-Coal chemical gasification method ” title_text=”0-Coal chemical gasification method 2″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n Processo de lavagem de metanol em baixa temperatura: usando metanol frio como solvente de absor\u00e7\u00e3o, aproveitando a alta solubilidade do metanol em gases \u00e1cidos em baixas temperaturas, para remover gases \u00e1cidos do g\u00e1s de alimenta\u00e7\u00e3o, principalmente CO2 e H2S. <\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u201d1\u2033 _builder_version=\u201d4.27.4\u2033 _module_preset=\u201ddefault\u201d global_colors_info=\u201d{}\u201d][et_pb_row _builder_version=\u201d4.27.4\u2033 _module_preset=\u201ddefault\u201d global_colors_info=\u201d{}\u201d][et_pb_column type=\u201d4_4\u2033 _builder_version=\u201d4.27.4\u2033 _module_preset=\u201ddefault\u201d global_colors_info=\u201d{}\u201d][et_pb_text _builder_version=\u201d4.27.4\u2033 _module_preset=\u201ddefault\u201d global_colors_info=\u201d{}\u201d]<\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_3,2_3″ use_custom_gutter=”on” gutter_width=”2″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”1_3″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n Caracter\u00edsticas dos gases de exaust\u00e3o da lavagem de metanol em baixa temperatura:<\/p>\n [\/et_pb_text][\/et_pb_column][et_pb_column type=”2_3″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-waste-gas-component.webp” alt=” waste gas component” title_text=”0 waste gas component” align=”center” _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n Devido ao fato de que os gases de escape quase n\u00e3o cont\u00eam oxig\u00eanio, \u00e9 necess\u00e1rio suplementar os gases de escape com ar para atender \u00e0 necessidade de oxig\u00eanio para a oxida\u00e7\u00e3o completa dos gases de escape. 1) Considera\u00e7\u00f5es de seguran\u00e7a: an\u00e1lise de risco de explos\u00e3o<\/strong><\/em><\/p>\n De acordo com a Especifica\u00e7\u00e3o T\u00e9cnica para Tratamento de Gases Org\u00e2nicos Industriais pelo M\u00e9todo de Combust\u00e3o por Armazenamento T\u00e9rmico, a concentra\u00e7\u00e3o de mat\u00e9ria org\u00e2nica que entra no dispositivo RTO deve ser inferior a 25% do limite inferior de explosividade. Calcule o limite inferior de explosividade de misturas complexas de gases combust\u00edveis usando a f\u00f3rmula de Le Chatlier e, em seguida, compare a concentra\u00e7\u00e3o de componentes combust\u00edveis nos gases de exaust\u00e3o com o valor de 25% LEL para determinar a seguran\u00e7a da concentra\u00e7\u00e3o de componentes combust\u00edveis nos gases de exaust\u00e3o.<\/p>\n 2) Considera\u00e7\u00f5es sobre a taxa de purifica\u00e7\u00e3o: \u201c3T1O\u201d<\/em><\/strong><\/p>\n [\/et_pb_text][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-oxygen-supplementation-air-volume.webp” alt=”oxygen supplementation air volume” title_text=”0 oxygen supplementation air volume” _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n [et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u201d4.27.4\u2033 _module_preset=\u201ddefault\u201d global_colors_info=\u201d{}\u201d][et_pb_column type=\u201d4_4\u2033 _builder_version=\u201d4.27.4\u2033 _module_preset=\u201ddefault\u201d global_colors_info=\u201d{}\u201d][et_pb_text _builder_version=\u201d4.27.4\u2033 _module_preset=\u201ddefault\u201d global_colors_info=\u201d{}\u201d]<\/p>\n Geralmente projetado sem considerar a influ\u00eancia de gases inertes, o limite inferior de explosividade dos gases de escape \u00e9 calculado, e a taxa de dilui\u00e7\u00e3o no ar \u00e9 determinada com base na rela\u00e7\u00e3o entre a concentra\u00e7\u00e3o dos gases de escape e o LEL de 25%. Este c\u00e1lculo pode garantir a seguran\u00e7a intr\u00ednseca, mas o volume dos gases de escape \u00e9 relativamente grande.<\/p>\n Devido \u00e0 presen\u00e7a de uma grande quantidade de g\u00e1s inerte CO2 no g\u00e1s de exaust\u00e3o de lavagem de metanol de baixa temperatura N2, uma pequena quantidade de componentes combust\u00edveis, Portanto, o g\u00e1s de exaust\u00e3o da lavagem com metanol em baixa temperatura n\u00e3o tem limites explosivos superiores ou inferiores. [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” custom_margin=”|auto|14px|auto||” custom_padding=”||62px|||” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n [\/et_pb_text][et_pb_image src=”https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-waste-gas-component-2.webp” alt=”waste gas component” title_text=”0 waste gas component 2″ align=”center” _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][et_pb_image src=”https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-waste-gas-component-3.webp” alt=”waste gas component” title_text=”0 waste gas component 3″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”2_5,3_5″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”2_5″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n Os gases de escape mistos s\u00e3o projetados para suplementa\u00e7\u00e3o de oxig\u00eanio com base no balan\u00e7o de materiais, com um teor de oxig\u00eanio de cerca de 5% nos gases de combust\u00e3o<\/p>\n Compara\u00e7\u00e3o entre a concentra\u00e7\u00e3o de componentes combust\u00edveis nos gases de escape ap\u00f3s suplementa\u00e7\u00e3o de oxig\u00eanio e o limite explosivo inferior dos gases de escape (excluindo gases inertes)<\/p>\n <\/p>\n 1) Baixo volume de gases de escape<\/em><\/strong> [\/et_pb_text][et_pb_image src=”https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-waste-gas-component-5.webp” alt=”waste gas component” title_text=”0 waste gas component 5″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][et_pb_column type=”3_5″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-waste-gas-component-4.webp” alt=”waste gas component” title_text=”0 waste gas component 4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][et_pb_image src=”https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-waste-gas-component-2-1.webp” alt=”waste gas component” title_text=”0 waste gas component 2″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” custom_margin=”|auto|17px|auto||” custom_padding=”||50px|||” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n [\/et_pb_text][et_pb_image src=”https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-Low-methane-waste-gas.webp” alt=”Low-methane waste gas” title_text=”0 Low-methane waste gas” align=”center” _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n [\/et_pb_text][et_pb_image src=”https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-Heat-balance.webp” alt=”Heat balance” title_text=”0 Heat balance” align=”center” _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n [et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u201d4.27.4\u2033 _module_preset=\u201ddefault\u201d global_colors_info=\u201d{}\u201d][et_pb_column type=\u201d4_4\u2033 _builder_version=\u201d4.27.4\u2033 _module_preset=\u201ddefault\u201d global_colors_info=\u201d{}\u201d][et_pb_text _builder_version=\u201d4.27.4\u2033 _module_preset=\u201ddefault\u201d global_colors_info=\u201d{}\u201d]<\/p>\n A unidade de metanol da Xinye Energy Chemical, com capacidade de 525.000 toneladas\/ano, utiliza tecnologia de gaseifica\u00e7\u00e3o pressurizada de carv\u00e3o mo\u00eddo. Al\u00e9m dos componentes principais CO2 e N2, o g\u00e1s de exaust\u00e3o da lavagem de metanol em baixa temperatura tamb\u00e9m cont\u00e9m metano, hidrocarbonetos totais n\u00e3o met\u00e2nicos, CO2, metanol, etc. Esse g\u00e1s de exaust\u00e3o \u00e9 atualmente descarregado pela chamin\u00e9 da caldeira. De acordo com os requisitos de prote\u00e7\u00e3o ambiental, \u00e9 necess\u00e1rio um tratamento para remo\u00e7\u00e3o de COVs. Al\u00e9m disso, a unidade de polioximetileno tamb\u00e9m possui tr\u00eas gases de exaust\u00e3o que precisam ser tratados.<\/p>\n [\/et_pb_text][et_pb_image src=”https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-RTO-CASE.webp” alt=”RTO CASE” title_text=”0 RTO CASE” align=”center” _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n Com base nas caracter\u00edsticas dos componentes combust\u00edveis nos gases de escape, nossos engenheiros decidiram adotar a rota de tecnologia de tratamento de \u201cpurifica\u00e7\u00e3o RTO + caldeira de calor residual a vapor de m\u00e9dia press\u00e3o para recupera\u00e7\u00e3o de calor\u201d; De acordo com o exclusivo \u201cAlgoritmo de Distribui\u00e7\u00e3o de Ar de Seguran\u00e7a da Teoria de Corre\u00e7\u00e3o de G\u00e1s Inerte e Le Chater\u201d da nossa empresa, decidimos selecionar uma v\u00e1lvula rotativa RTO de volume de ar 270000, com um teor de oxig\u00eanio de 5% nos gases de escape ap\u00f3s a incinera\u00e7\u00e3o; Selecionar simultaneamente uma caldeira a vapor de 5,1 MPa\/46T com um projeto de chamin\u00e9 de 120 metros para reduzir o impacto das emiss\u00f5es de escape no ambiente da f\u00e1brica;<\/p>\n [\/et_pb_text][et_pb_image src=”https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-RTO-CASE-1-1.webp” _builder_version=”4.27.4″ _module_preset=”default” alt=” RTO CASE” title_text=”0 RTO CASE 1″ hover_enabled=”0″ sticky_enabled=”0″][\/et_pb_image][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” hover_enabled=”0″ sticky_enabled=”0″]<\/p>\n O dispositivo principal adota uma \u00fanica v\u00e1lvula rotativa RTO de volume de ar de 270.000, layout quadrado, equipada com 3 v\u00e1lvulas rotativas de distribui\u00e7\u00e3o de ar e 36 c\u00e2maras de armazenamento de calor<\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ _module_preset=”default”][et_pb_column _builder_version=”4.27.4″ _module_preset=”default” type=”4_4″][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” hover_enabled=”0″ sticky_enabled=”0″]<\/p>\n <\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ _module_preset=”default”][et_pb_column _builder_version=”4.27.4″ _module_preset=”default” type=”4_4″][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” hover_enabled=”0″ sticky_enabled=”0″]<\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” column_structure=”1_2,1_2″][et_pb_column _builder_version=”4.27.4″ _module_preset=”default” type=”1_2″][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” hover_enabled=”0″ sticky_enabled=”0″]<\/p>\n Distribui\u00e7\u00e3o de ar convencional: A concentra\u00e7\u00e3o de componentes combust\u00edveis \u00e9 reduzida para <1,065, o que significa que a distribui\u00e7\u00e3o de ar precisa ser 2,6 vezes, e o volume total de ar atinge 330.000.<\/p>\n [\/et_pb_text][\/et_pb_column][et_pb_column _builder_version=”4.27.4″ _module_preset=”default” type=”1_2″][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” hover_enabled=”0″ sticky_enabled=”0″]<\/p>\n Considerando apenas o suprimento de oxig\u00eanio, o suprimento de ar \u00e9 de 100.000 e o volume total de ar \u00e9 de 220.000<\/p>\n 1. Fundo de ar, o limite inferior de explos\u00e3o a 900\u2103 \u00e9 25%LEL; [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ _module_preset=”default”][et_pb_column _builder_version=”4.27.4″ _module_preset=”default” type=”4_4″][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” hover_enabled=”0″ sticky_enabled=”0″]<\/p>\n <\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” column_structure=”1_2,1_2″][et_pb_column _builder_version=”4.27.4″ _module_preset=”default” type=”1_2″][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” hover_enabled=”0″ sticky_enabled=”0″]<\/p>\n \u221a Principais indicadores t\u00e9cnicos de prote\u00e7\u00e3o ambiental<\/strong><\/p>\n [\/et_pb_text][\/et_pb_column][et_pb_column _builder_version=”4.27.4″ _module_preset=”default” type=”1_2″][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” hover_enabled=”0″ sticky_enabled=”0″]<\/p>\n \u221a Principais indicadores econ\u00f4micos<\/strong><\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ _module_preset=”default”][et_pb_column _builder_version=”4.27.4″ _module_preset=”default” type=”4_4″][et_pb_image src=”https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-RTO-CASE-6.webp” _builder_version=”4.27.4″ _module_preset=”default” alt=”RTO CASE” title_text=”0 RTO CASE 6″ align=”center” hover_enabled=”0″ sticky_enabled=”0″][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>","protected":false},"excerpt":{"rendered":" Discover advanced RTO (Regenerative Thermal Oxidizer) systems for efficient VOCs waste gas treatment in the coal chemical industry. Our solutions reduce emissions, comply with environmental regulations, and enhance operational efficiency. Learn how our RTO technology can help your business achieve sustainable growth.What is coal gasificationCoal gasification is the core technology of modern coal chemical industry. 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Tabela de Levantamento de Componentes do G\u00e1s Bruto Produzidos por Diferentes Processos de Gaseifica\u00e7\u00e3o<\/strong><\/h2>\n
O que \u00e9 lavagem com metanol em baixa temperatura<\/strong><\/h2>\n
A lavagem com metanol a baixa temperatura \u00e9 um m\u00e9todo desenvolvido em conjunto pela Linde e pela Lurgi no in\u00edcio da d\u00e9cada de 1950 para remover gases \u00e1cidos de mat\u00e9rias-primas. Em 1954, foi utilizado pela primeira vez para purifica\u00e7\u00e3o de gases na ind\u00fastria de gaseifica\u00e7\u00e3o pressurizada de carv\u00e3o na \u00c1frica do Sul.
<\/strong><\/p>\n\n
Propriedades dos gases residuais<\/strong><\/h2>\n
\n
Determina\u00e7\u00e3o do volume de ar para suplementa\u00e7\u00e3o de oxig\u00eanio<\/strong><\/h2>\n
Princ\u00edpio para determinar a quantidade de ar suplementar:<\/p>\n\n
De acordo com o m\u00e9todo de c\u00e1lculo para uma mistura contendo n gases inflam\u00e1veis e p gases inertes, pode-se determinar que o g\u00e1s de exaust\u00e3o misto de baixo grau de gases inflam\u00e1veis e inertes n\u00e3o \u00e9 inflam\u00e1vel e n\u00e3o explosivo.<\/p>\n
A quantidade de reposi\u00e7\u00e3o de ar para g\u00e1s residual de lavagem de metanol de baixa temperatura pode ser determinada com base no teor de oxig\u00eanio do g\u00e1s de combust\u00e3o ap\u00f3s oxida\u00e7\u00e3o completa ser maior que 3%.<\/p>\nProcesso de c\u00e1lculo da combustibilidade dos gases de escape mistos no ar\u00a0<\/h3>\n
Processando o volume total de ar<\/strong><\/h4>\n
2) Volume de ar de suplementa\u00e7\u00e3o de oxig\u00eanio<\/em><\/strong><\/p>\n\u2460 Balan\u00e7o de materiais<\/strong><\/h2>\n
\u00a02 Equil\u00edbrio t\u00e9rmico<\/strong><\/h2>\n
Casos t\u00edpicos de engenharia<\/strong><\/h2>\n
An\u00e1lise de Situa\u00e7\u00e3o<\/h3>\n
Rota do processo<\/h3>\n
\n
Equipado com um RTO rotativo de 270.000 volumes de ar, g\u00e1s residual de polioximetileno misturado com ar para suplemento de oxig\u00eanio
Utiliza\u00e7\u00e3o de calor residual: 46 t\/h, vapor saturado de 5,1 MPa
<\/strong><\/li>\n
emiss\u00f5es totais de hidrocarbonetos n\u00e3o met\u00e2nicos <50mg\/m\u00b3, redu\u00e7\u00e3o anual de emiss\u00f5es de carbono de cerca de 860.000 toneladas;
<\/strong><\/li>\n<\/p>\nAn\u00e1lise de Seguran\u00e7a<\/h3>\n
\n
Inova\u00e7\u00e3o 1 \u2014 Avan\u00e7o no limite inferior de explos\u00e3o em condi\u00e7\u00f5es inertes<\/h3>\n
125.000 antes da distribui\u00e7\u00e3o a\u00e9rea<\/strong><\/h4>\n
\n\n
\n C\u00e1lculo dos limites de explos\u00e3o da parte combust\u00edvel de uma mistura<\/td>\n<\/tr>\n \n F\u00f3rmula de Richard Chateli: Lf=100\/\uff08V1\/L1+V2\/L2+\u2026\u2026+Vn\/Ln\uff09<\/td>\n<\/tr>\n \n Limite de explos\u00e3o de g\u00e1s misto Lf, %<\/td>\n 4.26<\/td>\n<\/tr>\n \n 25%LEL<\/td>\n 1.065<\/td>\n<\/tr>\n \n Concentra\u00e7\u00e3o total de componentes combust\u00edveis<\/td>\n 2.777<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Considere o efeito do g\u00e1s inerte no limite inferior de explos\u00e3o<\/strong><\/h4>\n
<\/p>\n
2. Fundo inerte, n\u00e3o inflam\u00e1vel e n\u00e3o explosivo \u00e0 temperatura ambiente, mas em alta temperatura?<\/p>\nInova\u00e7\u00e3o 2 \u2014 Projeto e aplica\u00e7\u00e3o de estrutura RTO quadrada com grande volume de ar<\/h3>\n
<\/p>\n\n\n
\n Par\u00e2metros de desempenho<\/td>\n V\u00e1lvula rotativa RTO<\/td>\n V\u00e1lvula de eleva\u00e7\u00e3o RTO<\/td>\n<\/tr>\n \n Volume de ar<\/td>\n 300.000 Nm\u00b3\/h<\/td>\n 300.000 Nm\u00b3\/h<\/td>\n<\/tr>\n \n Estrutura da v\u00e1lvula direcional<\/td>\n V\u00e1lvula rotativa<\/td>\n V\u00e1lvula de eleva\u00e7\u00e3o<\/td>\n<\/tr>\n \n N\u00famero de v\u00e1lvulas reversoras<\/td>\n 3<\/td>\n 27<\/td>\n<\/tr>\n \n Frequ\u00eancia de choque na troca da v\u00e1lvula de revers\u00e3o<\/td>\n Opera\u00e7\u00e3o cont\u00ednua sem choque<\/td>\n 6,48 milh\u00f5es de vezes\/ano<\/td>\n<\/tr>\n \n N\u00famero de leitos de armazenamento de calor<\/td>\n 36<\/td>\n 9<\/td>\n<\/tr>\n \n Volume de ar por c\u00e2mara<\/td>\n 20000 Nm\u00b3\/h<\/td>\n 75000 Nm\u00b3\/h<\/td>\n<\/tr>\n \n \u00c1rea da se\u00e7\u00e3o transversal de uma \u00fanica c\u00e2mara de armazenamento de calor<\/td>\n 3\u33a1<\/td>\n 14\u33a1<\/td>\n<\/tr>\n \n Peso de enchimento de cer\u00e2mica de armazenamento de calor de c\u00e2mara \u00fanica<\/td>\n 3300 kg<\/td>\n 15600 kg<\/td>\n<\/tr>\n \n N\u00famero de queimadores (pe\u00e7as)<\/td>\n 3<\/td>\n 5<\/td>\n<\/tr>\n \n Ocupa\u00e7\u00e3o (comprimento*largura)<\/td>\n 26m\u00d78m<\/td>\n 48m\u00d75m<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n \n\n
\n Nome do par\u00e2metro<\/td>\n Dados<\/td>\n<\/tr>\n \n G\u00e1s de escape com baixo teor de metano\/10.000 m\u00b3\/h<\/td>\n 10.8-12.5<\/td>\n<\/tr>\n \n Suplemento de oxig\u00eanio ar\/10.000 m\u00b3\/h<\/td>\n 10.5-11.5<\/td>\n<\/tr>\n \n Teor de oxig\u00eanio dos gases de combust\u00e3o de baixa temperatura 1TP 3T<\/td>\n 5<\/td>\n<\/tr>\n \n Temperatura do forno\u2103<\/td>\n 960-990<\/td>\n<\/tr>\n \n \u00d3xidos de nitrog\u00eanio de exaust\u00e3o mg\/m\u00b3<\/td>\n 4.5-10<\/td>\n<\/tr>\n \n Hidrocarbonetos totais n\u00e3o met\u00e2nicos de exaust\u00e3o mg\/m\u00b3<\/td>\n 40-60<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n \n\n
\n Nome do par\u00e2metro<\/td>\n Dados<\/td>\n<\/tr>\n \n Pot\u00eancia de distribui\u00e7\u00e3o de energia instalada<\/td>\n 1200 kW\/h<\/td>\n<\/tr>\n \n Custo da eletricidade<\/td>\n 4,8 milh\u00f5es de yuans\/ano<\/td>\n<\/tr>\n \n Sa\u00edda de vapor da caldeira de calor residual<\/td>\n 45t\/h<\/td>\n<\/tr>\n \n Par\u00e2metros de vapor<\/td>\n 4,9 MPa, 420 \u2103<\/td>\n<\/tr>\n \n Pre\u00e7o do Steam<\/td>\n 120 yuans\/t<\/td>\n<\/tr>\n \n Benef\u00edcios econ\u00f4micos diretos<\/td>\n 43,2 milh\u00f5es de yuans\/ano<\/td>\n<\/tr>\n \n Redu\u00e7\u00e3o do consumo de carv\u00e3o bruto<\/td>\n 50.000 toneladas\/ano<\/td>\n<\/tr>\n \n Redu\u00e7\u00e3o de emiss\u00f5es de carbono<\/td>\n 860.000 toneladas\/ano<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n