[\/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
Qu'est-ce que la gaz\u00e9ification du charbon<\/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
La gaz\u00e9ification du charbon est la technologie de base de l\u2019industrie chimique moderne du charbon.<\/strong><\/p>\nGaz\u00e9ification du charbon\u00a0: r\u00e9action incompl\u00e8te entre diff\u00e9rents types de charbon (coke) et des agents gaz\u00e9ifiants porteurs d'oxyg\u00e8ne (H\u2082O, O\u2082, CO\u2082) dans un gaz\u00e9ifieur. Sous haute temp\u00e9rature et sous une certaine pression, elle produit finalement du gaz de charbon brut compos\u00e9 de H\u2082, CH\u2082, CO, CO\u2082, N\u2082 et de traces de H\u2082S, 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
Classification des proc\u00e9d\u00e9s de gaz\u00e9ification du charbon :<\/strong><\/p>\n\n- Mati\u00e8res premi\u00e8res : charbon pulv\u00e9ris\u00e9, charbon concass\u00e9, boue d'eau de charbon ;<\/li>\n
- Lit de gaz\u00e9ification : lit fluidis\u00e9, lit fluidis\u00e9, lit fixe ;\n<\/li>\n
- Le lit fixe est constitu\u00e9 de charbon en morceaux (15-50 mm) comme mati\u00e8re premi\u00e8re\u00a0;<\/li>\n
- Le lit fluidis\u00e9 est constitu\u00e9 de charbon concass\u00e9 (moins de 10 mm) comme mati\u00e8re premi\u00e8re ;<\/li>\n
- Le lit \u00e0 flux d'air est fabriqu\u00e9 \u00e0 partir de charbon pulv\u00e9ris\u00e9 (moins de 0,1 mm) comme mati\u00e8re premi\u00e8re\u00a0;\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
Tableau d'enqu\u00eate sur les composants du gaz brut produits par diff\u00e9rents proc\u00e9d\u00e9s de gaz\u00e9ification<\/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
Qu'est-ce que le lavage au m\u00e9thanol \u00e0 basse temp\u00e9rature<\/strong><\/h2>\nProc\u00e9d\u00e9 de lavage au m\u00e9thanol \u00e0 basse temp\u00e9rature : utilisation de m\u00e9thanol froid comme solvant d'absorption, utilisation de la solubilit\u00e9 \u00e9lev\u00e9e du m\u00e9thanol dans les gaz acides \u00e0 basse temp\u00e9rature, pour \u00e9liminer les gaz acides du gaz d'alimentation, principalement le CO2 et le H2S.
Le lavage au m\u00e9thanol \u00e0 basse temp\u00e9rature est une m\u00e9thode d\u00e9velopp\u00e9e conjointement par Linde et Lurgi au d\u00e9but des ann\u00e9es 1950 pour \u00e9liminer les gaz acides des gaz de mati\u00e8res premi\u00e8res. En 1954, elle a \u00e9t\u00e9 utilis\u00e9e pour la premi\u00e8re fois pour la purification des gaz dans l'industrie de la gaz\u00e9ification sous pression du charbon en Afrique du Sud.
<\/strong><\/p>\n <\/p>\n
\n- Les fournisseurs de packages de processus de lavage au m\u00e9thanol \u00e0 basse temp\u00e9rature comprennent Linde, Lurgi, l'Universit\u00e9 de technologie de Dalian, etc.<\/li>\n
- Il existe diff\u00e9rents proc\u00e9d\u00e9s de gaz\u00e9ification, qui peuvent \u00eatre divis\u00e9s en trois cat\u00e9gories : lit fixe, lit fluidis\u00e9 et lit fluidis\u00e9 ;<\/li>\n
- La d\u00e9termination de la valeur de r\u00e9cup\u00e9ration de chaleur r\u00e9siduelle du gaz \u00e0 faibles \u00e9missions prend principalement en compte la teneur en CH4 des gaz d\u2019\u00e9chappement\u00a0;<\/li>\n
- La concentration de CH4 d\u00e9pend du processus de gaz\u00e9ification, et les processus de gaz\u00e9ification \u00e0 lit fixe comprennent le four Lurgi, le four 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
Propri\u00e9t\u00e9s des gaz r\u00e9siduaires<\/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
Caract\u00e9ristiques des gaz d'\u00e9chappement lav\u00e9s au m\u00e9thanol \u00e0 basse temp\u00e9rature :<\/p>\n
\n- Les gaz d'\u00e9chappement sont essentiellement satur\u00e9s de vapeur d'eau<\/li>\n
- Teneur \u00e9lev\u00e9e en composants inertes CO2 et N2<\/li>\n
- Les gaz d'\u00e9chappement ne contiennent pratiquement pas d'oxyg\u00e8ne<\/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
D\u00e9termination du volume d'air de suppl\u00e9mentation en oxyg\u00e8ne<\/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
\u00c9tant donn\u00e9 que les gaz d'\u00e9chappement ne contiennent presque pas d'oxyg\u00e8ne, il est n\u00e9cessaire de compl\u00e9ter les gaz d'\u00e9chappement avec de l'air pour r\u00e9pondre aux besoins en oxyg\u00e8ne pour une oxydation compl\u00e8te des gaz d'\u00e9chappement.
Principe de d\u00e9termination de la quantit\u00e9 d'air suppl\u00e9mentaire :<\/p>\n
1) Consid\u00e9rations de s\u00e9curit\u00e9 : analyse des risques d'explosion<\/strong><\/em><\/p>\nConform\u00e9ment aux sp\u00e9cifications techniques pour le traitement des gaz r\u00e9siduaires organiques industriels par combustion \u00e0 stockage thermique, la concentration de mati\u00e8res organiques entrant dans le dispositif RTO doit \u00eatre inf\u00e9rieure \u00e0 25% de la limite inf\u00e9rieure d'explosivit\u00e9. Calculez la limite inf\u00e9rieure d'explosivit\u00e9 des m\u00e9langes gazeux combustibles complexes \u00e0 l'aide de la formule de Le Chatlier, puis comparez la concentration des composants combustibles dans les gaz d'\u00e9chappement \u00e0 la valeur de 25% LEL pour d\u00e9terminer la s\u00e9curit\u00e9 de la concentration des composants combustibles dans les gaz d'\u00e9chappement.<\/p>\n
2) Consid\u00e9rations sur le taux de purification : \u00ab 3T1O \u00bb<\/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 est la limite inf\u00e9rieure d'explosivit\u00e9 du gaz mixte,%<\/li>\n
- Li est la limite inf\u00e9rieure d'explosivit\u00e9 du composant i,%<\/li>\n
- Vi est la fraction volumique d'un certain composant combustible par rapport au composant combustible,%<\/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
G\u00e9n\u00e9ralement con\u00e7u sans tenir compte de l'influence des gaz inertes, la limite inf\u00e9rieure d'explosivit\u00e9 des gaz d'\u00e9chappement est calcul\u00e9e et le taux de dilution de l'air est d\u00e9termin\u00e9 en fonction de la relation entre la concentration des gaz d'\u00e9chappement et la LIE 25%. Ce calcul permet de garantir la s\u00e9curit\u00e9 intrins\u00e8que, mais le volume de gaz d'\u00e9chappement est relativement important.<\/p>\n
En raison de la pr\u00e9sence d'une grande quantit\u00e9 de gaz inerte CO2 dans les gaz d'\u00e9chappement de lavage au m\u00e9thanol \u00e0 basse temp\u00e9rature N2, une petite quantit\u00e9 de composants combustibles,
Selon la m\u00e9thode de calcul pour un m\u00e9lange contenant n gaz inflammables et p gaz inertes, il peut \u00eatre d\u00e9termin\u00e9 que le gaz d'\u00e9chappement mixte de faible qualit\u00e9 de gaz inflammables et inertes est ininflammable et non explosif.<\/p>\n
Par cons\u00e9quent, les gaz d\u2019\u00e9chappement provenant du lavage au m\u00e9thanol \u00e0 basse temp\u00e9rature n\u2019ont pas de limites explosives sup\u00e9rieures ou inf\u00e9rieures.
La quantit\u00e9 de r\u00e9approvisionnement en air pour les gaz r\u00e9siduaires de lavage au m\u00e9thanol \u00e0 basse temp\u00e9rature peut \u00eatre d\u00e9termin\u00e9e en fonction de la teneur en oxyg\u00e8ne des gaz de combustion apr\u00e8s oxydation compl\u00e8te sup\u00e9rieure \u00e0 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
Processus de calcul de la combustibilit\u00e9 des gaz d'\u00e9chappement mixtes dans l'air\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
Le gaz d'\u00e9chappement mixte est con\u00e7u pour une suppl\u00e9mentation en oxyg\u00e8ne bas\u00e9e sur le bilan mati\u00e8re, avec une teneur en oxyg\u00e8ne d'environ 5% dans les gaz de combustion<\/p>\n
Comparaison entre la concentration de composants combustibles dans les gaz d'\u00e9chappement apr\u00e8s suppl\u00e9mentation en oxyg\u00e8ne et la limite inf\u00e9rieure d'explosivit\u00e9 des gaz d'\u00e9chappement (hors gaz inertes)<\/p>\n
<\/p>\n
Traitement du volume d'air total<\/strong><\/h4>\n1) Faible volume de gaz d'\u00e9chappement<\/em><\/strong>
2) Volume d'air de suppl\u00e9mentation en oxyg\u00e8ne<\/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
1 Bilan mati\u00e8re<\/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 Bilan thermique<\/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
Cas d'ing\u00e9nierie typiques<\/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
Analyse de la situation<\/h3>\n
L'unit\u00e9 de production de m\u00e9thanol de Xinye Energy Chemical, d'une capacit\u00e9 de 525\u00a0000 tonnes\/an, utilise la technologie de gaz\u00e9ification sous pression du charbon broy\u00e9. Outre les principaux composants CO\u2082 et N\u2082, les gaz d'\u00e9chappement issus du lavage du m\u00e9thanol \u00e0 basse temp\u00e9rature contiennent \u00e9galement du m\u00e9thane, des hydrocarbures totaux non m\u00e9thaniques, du CO\u2082 et du m\u00e9thanol. Ces gaz d'\u00e9chappement sont actuellement \u00e9vacu\u00e9s par la chemin\u00e9e de la chaudi\u00e8re. Conform\u00e9ment aux exigences environnementales, un traitement d'\u00e9limination des COV est requis. De plus, l'unit\u00e9 de polyoxym\u00e9thyl\u00e8ne produit \u00e9galement trois gaz d'\u00e9chappement \u00e0 traiter.<\/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
Itin\u00e9raire du processus<\/h3>\n
Fran\u00e7ais Sur la base des caract\u00e9ristiques des composants combustibles dans les gaz d'\u00e9chappement, nos ing\u00e9nieurs ont d\u00e9cid\u00e9 d'adopter la voie technologique de traitement de \u00ab purification RTO + chaudi\u00e8re \u00e0 vapeur moyenne pression pour la r\u00e9cup\u00e9ration de chaleur \u00bb ; Selon l'algorithme unique de distribution d'air de s\u00e9curit\u00e9 Le Chater & Inert Gas Correction Theory de notre soci\u00e9t\u00e9, nous avons d\u00e9cid\u00e9 de s\u00e9lectionner une vanne rotative RTO de 270 000 volumes d'air, avec une teneur en oxyg\u00e8ne de 5% dans les gaz d'\u00e9chappement apr\u00e8s incin\u00e9ration ; S\u00e9lectionnez simultan\u00e9ment une chaudi\u00e8re \u00e0 vapeur de 5,1 MPa\/46T avec une conception de chemin\u00e9e d'extr\u00e9mit\u00e9 de 120 m\u00e8tres pour r\u00e9duire l'impact des \u00e9missions de gaz d'\u00e9chappement sur l'environnement de l'usine ;<\/p>\n
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L'appareil principal adopte une seule vanne rotative RTO de 270 000 volumes d'air, de disposition carr\u00e9e, \u00e9quip\u00e9e de 3 vannes de distribution d'air rotatives et de 36 chambres de stockage de chaleur<\/p>\n
\n- Traitement complet :<\/strong>
\u00c9quip\u00e9 d'un RTO rotatif de 270 000 volumes d'air, d'un gaz de queue de polyoxym\u00e9thyl\u00e8ne m\u00e9lang\u00e9 \u00e0 de l'air pour un suppl\u00e9ment d'oxyg\u00e8ne
Utilisation de la chaleur perdue : 46 t\/h, vapeur satur\u00e9e 5,1 MPa
<\/strong><\/li>\n- Normes de protection de l'environnement :<\/strong>
\u00e9missions totales d\u2019hydrocarbures non m\u00e9thaniques < 50 mg\/m\u00b3, r\u00e9duction annuelle des \u00e9missions de carbone d\u2019environ 860 000 tonnes ;
<\/strong><\/li>\n- P\u00e9riode de r\u00e9cup\u00e9ration :<\/strong> 3 ans<\/li>\n<\/ul>\n
![\"AFFAIRE](\"https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-RTO-CASE-3.webp\" "\\"\\"")
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Analyse de s\u00e9curit\u00e9<\/h3>\n\n- Briefing sur le contr\u00f4le complexe\/la cha\u00eene<\/li>\n
- Analyse HAZOP<\/li>\n
- Cote SIL<\/li>\n<\/ol>\n
<\/p>\n
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Innovation 1 \u2014 Perc\u00e9e dans la limite inf\u00e9rieure d'explosion dans des conditions inertes<\/h3>\n
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125 000 avant distribution a\u00e9rienne<\/strong><\/h4>\n\n\n\nCalcul des limites d'explosivit\u00e9 de la partie combustible d'un m\u00e9lange<\/td>\n<\/tr>\n \nFormule de Richard Chateli : Lf=100\/\uff08V1\/L1+V2\/L2+\u2026\u2026+Vn\/Ln\uff09<\/td>\n<\/tr>\n \nLimite d'explosivit\u00e9 des gaz mixtes Lf, %<\/td>\n 4.26<\/td>\n<\/tr>\n \n25%LEL<\/td>\n 1.065<\/td>\n<\/tr>\n \nConcentration totale de composants combustibles<\/td>\n 2.777<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nDistribution d'air conventionnelle : La concentration des composants combustibles est r\u00e9duite \u00e0 <1,065, ce qui signifie que la distribution d'air doit \u00eatre 2,6 fois sup\u00e9rieure et que le volume d'air total atteint 330 000.<\/p>\n
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Consid\u00e9rez l\u2019effet du gaz inerte sur la limite inf\u00e9rieure d\u2019explosion<\/strong><\/h4>\n![\"AFFAIRE](\"https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-RTO-CASE-4.webp\" "\\"\\"")
<\/p>\n
En consid\u00e9rant uniquement l'apport d'oxyg\u00e8ne, l'apport d'air est de 100 000 et le volume d'air total est de 220 000<\/p>\n
1. Contexte a\u00e9rien, la limite inf\u00e9rieure d'explosion \u00e0 900\u2103 est 25%LEL ;
2. Fond inerte, non inflammable et non explosif \u00e0 temp\u00e9rature ambiante, mais \u00e0 haute temp\u00e9rature ?<\/p>\n
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Innovation 2 \u2014 Conception et application d'une structure RTO carr\u00e9e \u00e0 grand volume d'air<\/h3>\n
![\"AFFAIRE](\"https:\/\/regenerative-thermal-oxidizers.com\/wp-content\/uploads\/2024\/12\/0-RTO-CASE-5.webp\" "\\"\\"")
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\n\n\n\nParam\u00e8tres de performance<\/td>\n Vanne rotative RTO<\/td>\n Soupape de levage RTO<\/td>\n<\/tr>\n \nVolume d'air<\/td>\n 300 000 Nm\u00b3\/h<\/td>\n 300 000 Nm\u00b3\/h<\/td>\n<\/tr>\n \nStructure de la vanne directionnelle<\/td>\n Vanne rotative<\/td>\n soupape de levage<\/td>\n<\/tr>\n \nNombre de vannes d'inversion<\/td>\n 3<\/td>\n 27<\/td>\n<\/tr>\n \nFr\u00e9quence des chocs de commutation des vannes d'inversion<\/td>\n Fonctionnement continu sans choc<\/td>\n 6,48 millions de fois par an<\/td>\n<\/tr>\n \nNombre de lits de stockage de chaleur<\/td>\n 36<\/td>\n 9<\/td>\n<\/tr>\n \nVolume d'air par chambre<\/td>\n 20 000 Nm\u00b3\/h<\/td>\n 75 000 Nm\u00b3\/h<\/td>\n<\/tr>\n \nSection transversale d'une chambre de stockage de chaleur unique<\/td>\n 3\u33a1<\/td>\n 14\u33a1<\/td>\n<\/tr>\n \nPoids de remplissage de la c\u00e9ramique de stockage de chaleur \u00e0 chambre unique<\/td>\n 3300 kg<\/td>\n 15 600 kg<\/td>\n<\/tr>\n \nNombre de br\u00fbleurs (pi\u00e8ces)<\/td>\n 3<\/td>\n 5<\/td>\n<\/tr>\n \nOccupation (longueur*largeur)<\/td>\n 26m\u00d78m<\/td>\n 48 m \u00d7 5 m<\/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 Principaux indicateurs techniques de protection de l'environnement<\/strong><\/p>\n\n\n\n\nNom du param\u00e8tre<\/td>\n Donn\u00e9es<\/td>\n<\/tr>\n \nGaz d'\u00e9chappement \u00e0 faible teneur en m\u00e9thane\/10 000 m\u00b3\/h<\/td>\n 10.8-12.5<\/td>\n<\/tr>\n \nAir d'appoint en oxyg\u00e8ne\/10 000 m\u00b3\/h<\/td>\n 10.5-11.5<\/td>\n<\/tr>\n \nTeneur en oxyg\u00e8ne des gaz de combustion \u00e0 basse temp\u00e9rature%<\/td>\n 5<\/td>\n<\/tr>\n \nTemp\u00e9rature du four\u2103<\/td>\n 960-990<\/td>\n<\/tr>\n \nOxydes d'azote dans les gaz d'\u00e9chappement mg\/m\u00b3<\/td>\n 4.5-10<\/td>\n<\/tr>\n \nHydrocarbures totaux non m\u00e9thaniques dans les gaz d'\u00e9chappement 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 Principaux indicateurs \u00e9conomiques<\/strong><\/p>\n\n\n\n\nNom du param\u00e8tre<\/td>\n Donn\u00e9es<\/td>\n<\/tr>\n \nPuissance de distribution install\u00e9e<\/td>\n 1200 kW\/h<\/td>\n<\/tr>\n \nCo\u00fbt de l'\u00e9lectricit\u00e9<\/td>\n 4,8 millions de yuans\/an<\/td>\n<\/tr>\n \nProduction de vapeur de la chaudi\u00e8re de r\u00e9cup\u00e9ration de chaleur<\/td>\n 45t\/h<\/td>\n<\/tr>\n \nParam\u00e8tres de la vapeur<\/td>\n 4,9 MPa, 420 \u2103<\/td>\n<\/tr>\n \nPrix de la vapeur<\/td>\n 120 yuans\/t<\/td>\n<\/tr>\n \nAvantages \u00e9conomiques directs<\/td>\n 43,2 millions de yuans\/an<\/td>\n<\/tr>\n \nR\u00e9duction de la consommation de charbon brut<\/td>\n 50 000 tonnes\/an<\/td>\n<\/tr>\n \nR\u00e9duction des \u00e9missions de carbone<\/td>\n 860 000 tonnes\/an<\/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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Gaz\u00e9ification du charbon\u00a0: r\u00e9action incompl\u00e8te entre diff\u00e9rents types de charbon (coke) et des agents gaz\u00e9ifiants porteurs d'oxyg\u00e8ne (H\u2082O, O\u2082, CO\u2082) dans un gaz\u00e9ifieur. Sous haute temp\u00e9rature et sous une certaine pression, elle produit finalement du gaz de charbon brut compos\u00e9 de H\u2082, CH\u2082, CO, CO\u2082, N\u2082 et de traces de H\u2082S, COS, etc.<\/p>\n
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Classification des proc\u00e9d\u00e9s de gaz\u00e9ification du charbon :<\/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 Proc\u00e9d\u00e9 de lavage au m\u00e9thanol \u00e0 basse temp\u00e9rature : utilisation de m\u00e9thanol froid comme solvant d'absorption, utilisation de la solubilit\u00e9 \u00e9lev\u00e9e du m\u00e9thanol dans les gaz acides \u00e0 basse temp\u00e9rature, pour \u00e9liminer les gaz acides du gaz d'alimentation, principalement le CO2 et le 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 Caract\u00e9ristiques des gaz d'\u00e9chappement lav\u00e9s au m\u00e9thanol \u00e0 basse temp\u00e9rature :<\/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 \u00c9tant donn\u00e9 que les gaz d'\u00e9chappement ne contiennent presque pas d'oxyg\u00e8ne, il est n\u00e9cessaire de compl\u00e9ter les gaz d'\u00e9chappement avec de l'air pour r\u00e9pondre aux besoins en oxyg\u00e8ne pour une oxydation compl\u00e8te des gaz d'\u00e9chappement. 1) Consid\u00e9rations de s\u00e9curit\u00e9 : analyse des risques d'explosion<\/strong><\/em><\/p>\n Conform\u00e9ment aux sp\u00e9cifications techniques pour le traitement des gaz r\u00e9siduaires organiques industriels par combustion \u00e0 stockage thermique, la concentration de mati\u00e8res organiques entrant dans le dispositif RTO doit \u00eatre inf\u00e9rieure \u00e0 25% de la limite inf\u00e9rieure d'explosivit\u00e9. Calculez la limite inf\u00e9rieure d'explosivit\u00e9 des m\u00e9langes gazeux combustibles complexes \u00e0 l'aide de la formule de Le Chatlier, puis comparez la concentration des composants combustibles dans les gaz d'\u00e9chappement \u00e0 la valeur de 25% LEL pour d\u00e9terminer la s\u00e9curit\u00e9 de la concentration des composants combustibles dans les gaz d'\u00e9chappement.<\/p>\n 2) Consid\u00e9rations sur le taux de purification : \u00ab 3T1O \u00bb<\/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 G\u00e9n\u00e9ralement con\u00e7u sans tenir compte de l'influence des gaz inertes, la limite inf\u00e9rieure d'explosivit\u00e9 des gaz d'\u00e9chappement est calcul\u00e9e et le taux de dilution de l'air est d\u00e9termin\u00e9 en fonction de la relation entre la concentration des gaz d'\u00e9chappement et la LIE 25%. Ce calcul permet de garantir la s\u00e9curit\u00e9 intrins\u00e8que, mais le volume de gaz d'\u00e9chappement est relativement important.<\/p>\n En raison de la pr\u00e9sence d'une grande quantit\u00e9 de gaz inerte CO2 dans les gaz d'\u00e9chappement de lavage au m\u00e9thanol \u00e0 basse temp\u00e9rature N2, une petite quantit\u00e9 de composants combustibles, Par cons\u00e9quent, les gaz d\u2019\u00e9chappement provenant du lavage au m\u00e9thanol \u00e0 basse temp\u00e9rature n\u2019ont pas de limites explosives sup\u00e9rieures ou inf\u00e9rieures. [\/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 Le gaz d'\u00e9chappement mixte est con\u00e7u pour une suppl\u00e9mentation en oxyg\u00e8ne bas\u00e9e sur le bilan mati\u00e8re, avec une teneur en oxyg\u00e8ne d'environ 5% dans les gaz de combustion<\/p>\n Comparaison entre la concentration de composants combustibles dans les gaz d'\u00e9chappement apr\u00e8s suppl\u00e9mentation en oxyg\u00e8ne et la limite inf\u00e9rieure d'explosivit\u00e9 des gaz d'\u00e9chappement (hors gaz inertes)<\/p>\n <\/p>\n 1) Faible volume de gaz d'\u00e9chappement<\/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 L'unit\u00e9 de production de m\u00e9thanol de Xinye Energy Chemical, d'une capacit\u00e9 de 525\u00a0000 tonnes\/an, utilise la technologie de gaz\u00e9ification sous pression du charbon broy\u00e9. Outre les principaux composants CO\u2082 et N\u2082, les gaz d'\u00e9chappement issus du lavage du m\u00e9thanol \u00e0 basse temp\u00e9rature contiennent \u00e9galement du m\u00e9thane, des hydrocarbures totaux non m\u00e9thaniques, du CO\u2082 et du m\u00e9thanol. Ces gaz d'\u00e9chappement sont actuellement \u00e9vacu\u00e9s par la chemin\u00e9e de la chaudi\u00e8re. Conform\u00e9ment aux exigences environnementales, un traitement d'\u00e9limination des COV est requis. De plus, l'unit\u00e9 de polyoxym\u00e9thyl\u00e8ne produit \u00e9galement trois gaz d'\u00e9chappement \u00e0 traiter.<\/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 Fran\u00e7ais Sur la base des caract\u00e9ristiques des composants combustibles dans les gaz d'\u00e9chappement, nos ing\u00e9nieurs ont d\u00e9cid\u00e9 d'adopter la voie technologique de traitement de \u00ab purification RTO + chaudi\u00e8re \u00e0 vapeur moyenne pression pour la r\u00e9cup\u00e9ration de chaleur \u00bb ; Selon l'algorithme unique de distribution d'air de s\u00e9curit\u00e9 Le Chater & Inert Gas Correction Theory de notre soci\u00e9t\u00e9, nous avons d\u00e9cid\u00e9 de s\u00e9lectionner une vanne rotative RTO de 270 000 volumes d'air, avec une teneur en oxyg\u00e8ne de 5% dans les gaz d'\u00e9chappement apr\u00e8s incin\u00e9ration ; S\u00e9lectionnez simultan\u00e9ment une chaudi\u00e8re \u00e0 vapeur de 5,1 MPa\/46T avec une conception de chemin\u00e9e d'extr\u00e9mit\u00e9 de 120 m\u00e8tres pour r\u00e9duire l'impact des \u00e9missions de gaz d'\u00e9chappement sur l'environnement de l'usine ;<\/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 L'appareil principal adopte une seule vanne rotative RTO de 270 000 volumes d'air, de disposition carr\u00e9e, \u00e9quip\u00e9e de 3 vannes de distribution d'air rotatives et de 36 chambres de stockage de chaleur<\/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 Distribution d'air conventionnelle : La concentration des composants combustibles est r\u00e9duite \u00e0 <1,065, ce qui signifie que la distribution d'air doit \u00eatre 2,6 fois sup\u00e9rieure et que le volume d'air total atteint 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 En consid\u00e9rant uniquement l'apport d'oxyg\u00e8ne, l'apport d'air est de 100 000 et le volume d'air total est de 220 000<\/p>\n 1. Contexte a\u00e9rien, la limite inf\u00e9rieure d'explosion \u00e0 900\u2103 est 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 Principaux indicateurs techniques de protection de l'environnement<\/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 Principaux indicateurs \u00e9conomiques<\/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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Tableau d'enqu\u00eate sur les composants du gaz brut produits par diff\u00e9rents proc\u00e9d\u00e9s de gaz\u00e9ification<\/strong><\/h2>\n
Qu'est-ce que le lavage au m\u00e9thanol \u00e0 basse temp\u00e9rature<\/strong><\/h2>\n
Le lavage au m\u00e9thanol \u00e0 basse temp\u00e9rature est une m\u00e9thode d\u00e9velopp\u00e9e conjointement par Linde et Lurgi au d\u00e9but des ann\u00e9es 1950 pour \u00e9liminer les gaz acides des gaz de mati\u00e8res premi\u00e8res. En 1954, elle a \u00e9t\u00e9 utilis\u00e9e pour la premi\u00e8re fois pour la purification des gaz dans l'industrie de la gaz\u00e9ification sous pression du charbon en Afrique du Sud.
<\/strong><\/p>\n\n
Propri\u00e9t\u00e9s des gaz r\u00e9siduaires<\/strong><\/h2>\n
\n
D\u00e9termination du volume d'air de suppl\u00e9mentation en oxyg\u00e8ne<\/strong><\/h2>\n
Principe de d\u00e9termination de la quantit\u00e9 d'air suppl\u00e9mentaire :<\/p>\n\n
Selon la m\u00e9thode de calcul pour un m\u00e9lange contenant n gaz inflammables et p gaz inertes, il peut \u00eatre d\u00e9termin\u00e9 que le gaz d'\u00e9chappement mixte de faible qualit\u00e9 de gaz inflammables et inertes est ininflammable et non explosif.<\/p>\n
La quantit\u00e9 de r\u00e9approvisionnement en air pour les gaz r\u00e9siduaires de lavage au m\u00e9thanol \u00e0 basse temp\u00e9rature peut \u00eatre d\u00e9termin\u00e9e en fonction de la teneur en oxyg\u00e8ne des gaz de combustion apr\u00e8s oxydation compl\u00e8te sup\u00e9rieure \u00e0 3%.<\/p>\nProcessus de calcul de la combustibilit\u00e9 des gaz d'\u00e9chappement mixtes dans l'air\u00a0<\/h3>\n
Traitement du volume d'air total<\/strong><\/h4>\n
2) Volume d'air de suppl\u00e9mentation en oxyg\u00e8ne<\/em><\/strong><\/p>\n1 Bilan mati\u00e8re<\/strong><\/h2>\n
\u00a02 Bilan thermique<\/strong><\/h2>\n
Cas d'ing\u00e9nierie typiques<\/strong><\/h2>\n
Analyse de la situation<\/h3>\n
Itin\u00e9raire du processus<\/h3>\n
\n
\u00c9quip\u00e9 d'un RTO rotatif de 270 000 volumes d'air, d'un gaz de queue de polyoxym\u00e9thyl\u00e8ne m\u00e9lang\u00e9 \u00e0 de l'air pour un suppl\u00e9ment d'oxyg\u00e8ne
Utilisation de la chaleur perdue : 46 t\/h, vapeur satur\u00e9e 5,1 MPa
<\/strong><\/li>\n
\u00e9missions totales d\u2019hydrocarbures non m\u00e9thaniques < 50 mg\/m\u00b3, r\u00e9duction annuelle des \u00e9missions de carbone d\u2019environ 860 000 tonnes ;
<\/strong><\/li>\n<\/p>\nAnalyse de s\u00e9curit\u00e9<\/h3>\n
\n
Innovation 1 \u2014 Perc\u00e9e dans la limite inf\u00e9rieure d'explosion dans des conditions inertes<\/h3>\n
125 000 avant distribution a\u00e9rienne<\/strong><\/h4>\n
\n\n
\n Calcul des limites d'explosivit\u00e9 de la partie combustible d'un m\u00e9lange<\/td>\n<\/tr>\n \n Formule de Richard Chateli : Lf=100\/\uff08V1\/L1+V2\/L2+\u2026\u2026+Vn\/Ln\uff09<\/td>\n<\/tr>\n \n Limite d'explosivit\u00e9 des gaz mixtes Lf, %<\/td>\n 4.26<\/td>\n<\/tr>\n \n 25%LEL<\/td>\n 1.065<\/td>\n<\/tr>\n \n Concentration totale de composants combustibles<\/td>\n 2.777<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Consid\u00e9rez l\u2019effet du gaz inerte sur la limite inf\u00e9rieure d\u2019explosion<\/strong><\/h4>\n
<\/p>\n
2. Fond inerte, non inflammable et non explosif \u00e0 temp\u00e9rature ambiante, mais \u00e0 haute temp\u00e9rature ?<\/p>\nInnovation 2 \u2014 Conception et application d'une structure RTO carr\u00e9e \u00e0 grand volume d'air<\/h3>\n
<\/p>\n\n\n
\n Param\u00e8tres de performance<\/td>\n Vanne rotative RTO<\/td>\n Soupape de levage RTO<\/td>\n<\/tr>\n \n Volume d'air<\/td>\n 300 000 Nm\u00b3\/h<\/td>\n 300 000 Nm\u00b3\/h<\/td>\n<\/tr>\n \n Structure de la vanne directionnelle<\/td>\n Vanne rotative<\/td>\n soupape de levage<\/td>\n<\/tr>\n \n Nombre de vannes d'inversion<\/td>\n 3<\/td>\n 27<\/td>\n<\/tr>\n \n Fr\u00e9quence des chocs de commutation des vannes d'inversion<\/td>\n Fonctionnement continu sans choc<\/td>\n 6,48 millions de fois par an<\/td>\n<\/tr>\n \n Nombre de lits de stockage de chaleur<\/td>\n 36<\/td>\n 9<\/td>\n<\/tr>\n \n Volume d'air par chambre<\/td>\n 20 000 Nm\u00b3\/h<\/td>\n 75 000 Nm\u00b3\/h<\/td>\n<\/tr>\n \n Section transversale d'une chambre de stockage de chaleur unique<\/td>\n 3\u33a1<\/td>\n 14\u33a1<\/td>\n<\/tr>\n \n Poids de remplissage de la c\u00e9ramique de stockage de chaleur \u00e0 chambre unique<\/td>\n 3300 kg<\/td>\n 15 600 kg<\/td>\n<\/tr>\n \n Nombre de br\u00fbleurs (pi\u00e8ces)<\/td>\n 3<\/td>\n 5<\/td>\n<\/tr>\n \n Occupation (longueur*largeur)<\/td>\n 26m\u00d78m<\/td>\n 48 m \u00d7 5 m<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n \n\n
\n Nom du param\u00e8tre<\/td>\n Donn\u00e9es<\/td>\n<\/tr>\n \n Gaz d'\u00e9chappement \u00e0 faible teneur en m\u00e9thane\/10 000 m\u00b3\/h<\/td>\n 10.8-12.5<\/td>\n<\/tr>\n \n Air d'appoint en oxyg\u00e8ne\/10 000 m\u00b3\/h<\/td>\n 10.5-11.5<\/td>\n<\/tr>\n \n Teneur en oxyg\u00e8ne des gaz de combustion \u00e0 basse temp\u00e9rature%<\/td>\n 5<\/td>\n<\/tr>\n \n Temp\u00e9rature du four\u2103<\/td>\n 960-990<\/td>\n<\/tr>\n \n Oxydes d'azote dans les gaz d'\u00e9chappement mg\/m\u00b3<\/td>\n 4.5-10<\/td>\n<\/tr>\n \n Hydrocarbures totaux non m\u00e9thaniques dans les gaz d'\u00e9chappement mg\/m\u00b3<\/td>\n 40-60<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n \n\n
\n Nom du param\u00e8tre<\/td>\n Donn\u00e9es<\/td>\n<\/tr>\n \n Puissance de distribution install\u00e9e<\/td>\n 1200 kW\/h<\/td>\n<\/tr>\n \n Co\u00fbt de l'\u00e9lectricit\u00e9<\/td>\n 4,8 millions de yuans\/an<\/td>\n<\/tr>\n \n Production de vapeur de la chaudi\u00e8re de r\u00e9cup\u00e9ration de chaleur<\/td>\n 45t\/h<\/td>\n<\/tr>\n \n Param\u00e8tres de la vapeur<\/td>\n 4,9 MPa, 420 \u2103<\/td>\n<\/tr>\n \n Prix de la vapeur<\/td>\n 120 yuans\/t<\/td>\n<\/tr>\n \n Avantages \u00e9conomiques directs<\/td>\n 43,2 millions de yuans\/an<\/td>\n<\/tr>\n \n R\u00e9duction de la consommation de charbon brut<\/td>\n 50 000 tonnes\/an<\/td>\n<\/tr>\n \n R\u00e9duction des \u00e9missions de carbone<\/td>\n 860 000 tonnes\/an<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n