China Good quality Regenerative Thermal Oxidizer (RTO)

Basic Info.

Model NO.

RTO

Pullution Sources

Air Pollution Control

Processing Methods

Combustion

Trademark

RUIMA

Origin

China

HS Code

84213990

Product Description

Regenerative Thermal Oxidizer (RTO);
The most widely used oxidation technique nowadays for
VOC emission reduction,; suitable for treating a wide range of solvents and processes.; Depending on air volume and required purification efficiency,; a RTO comes with 2,; 3,; 5 or 10 chambers.;

Advantages
Wide range of VOC’s to be treated
ต้นทุนการดูแลรักษาต่ำ
High Thermal Efficiency
Does not generate any waste
Adaptable for small,; medium and large air flows
Heat Recovery via bypass if VOCs concentration exceed the auto-thermal point

Auto-thermal and Heat Recovery:;
Thermal Efficiency > 95%
Auto-thermal point at 1.;2 – 1.;7 mgC/Nm3
Air flow range from 2,; 000 up to 200,; 000m3/h

High VOC’s destruction
The purification efficiency is normally in excess of 99%

Address: No 3 North Xihu (West Lake) Dis. Road, Xihu (West Lake) Dis., HangZhou, ZheJiang , China

Business Type: Manufacturer/Factory

Business Range: Manufacturing & Processing Machinery, Service

Management System Certification: ISO 14001, ISO 9001, OHSAS/ OHSMS 18001, QHSE

Main Products: Dryer, Extruder, Heater, Twin Screw Extruder, Electrochemical Corrosion Protection Equ, Screw, Mixer, Pelletizing Machine, Compressor, Pelletizer

Company Introduction: The Res. Inst of Chem. Mach of the Ministry of Chemical Industry was founded in ZheJiang in 1958, and moved to HangZhou in 1965.

The Res. Inst of Automation of the Ministry of Chemical Industry was founded in HangZhou in 1963.

In 1997, the Res. Inst. Of Chem. Mach of the Ministry of Chemical Industry and the Res. Inst. Of Automation of the Ministry of Chemical Industry were combined to become the Res. Inst of Chemical Machinery and Automation of the Ministry of Chemical Industry.

In 2000, the Res. Inst of Chemical Machinery and Automation of the Ministry of ChemicalIndustry completed its transformation to enterprise and registered as CHINAMFG Instituteof Chemical Machinery and Automation.

Tianhua Institute has the following subordinated institutions:

Supervision and Inspection Center of the Quality of Chemical Equipments in HangZhou, ZheJiang Province

HangZhou Equipment Institute in HangZhou, ZheJiang Province;

Automation Institute in HangZhou, ZheJiang Province;

HangZhou Ruima Chemical Machinery Co Ltd in HangZhou, ZheJiang Province;

HangZhou Ruide Drying Technology Co Ltd in HangZhou, ZheJiang Province;

HangZhouLantai Plastics Machinery Co Ltd in HangZhou, ZheJiang Province;

ZheJiang Airuike Automation Technology Co Ltd in HangZhou, ZheJiang Province;

The HangZhou United Institute of Chemical Machinery and automation and the HangZhou United Institute of Petrochemical Industry Furnaces were founded by CHINAMFG Institute and the Sinopec.

Tianhua Institute has an occupation area of 80 000m2 and a total asset of 1 Yuan (RMB). The annual output value is 1 Yuan (RMB).

Tianhua Institute has about 916 employees, 75% of them are professional personnel. Among them are 23 professors, 249senior engineers, 226 engineers. 29 professors and senior engineers enjoy national special subsidy, On 5 people the title of Middle-aged and Young Specialist with Outstanding Contribution to the P. R. China are conferred

Can regenerative thermal oxidizers be used for odor control in sewage treatment plants?

Regenerative thermal oxidizers (RTOs) are not commonly used for odor control in sewage treatment plants. While RTOs are effective in controlling gaseous pollutants, their application for odor control in wastewater treatment facilities has certain limitations and considerations.

Here are some key points to consider regarding the use of RTOs for odor control in sewage treatment plants:

• Nature of Odorous Compounds: Odors in sewage treatment plants are primarily caused by volatile organic compounds (VOCs) and sulfur compounds released during the treatment processes. RTOs are effective in treating VOCs, but they may not be specifically designed to address sulfur compounds, which can be challenging to control through thermal oxidation.
• Operating Temperature: RTOs require high operating temperatures for efficient pollutant destruction. However, the presence of sulfur compounds in sewage treatment plant emissions can lead to corrosion and fouling at elevated temperatures, potentially impacting the performance and lifespan of the RTO system.
• Complex Odor Mixture: Odors in sewage treatment plants are often complex mixtures of various compounds. RTOs are generally designed to treat specific target pollutants and may not be optimized for the treatment of the wide range of compounds present in sewage plant odors. A comprehensive odor control strategy typically involves multiple treatment techniques tailored to the specific odor profile.
• Alternative Odor Control Technologies: Sewage treatment plants typically employ a combination of dedicated odor control technologies such as biofilters, activated carbon adsorption systems, chemical scrubbers, or other specialized methods. These technologies are specifically designed for the removal of odorous compounds and are often more suitable and efficient for odor control in wastewater treatment facilities.
• Compliance with Regulations: Odor emissions from sewage treatment plants are subject to regulatory requirements and local community sensitivities. Sewage treatment facilities need to comply with applicable regulations and implement effective odor control measures that are proven to be efficient in mitigating the specific odor issues associated with their operations.

In summary, while RTOs are effective for controlling gaseous pollutants, they are not commonly used as the primary odor control technology in sewage treatment plants. Sewage treatment facilities typically employ dedicated odor control technologies that are specifically designed for the removal of odorous compounds and can provide optimal performance and compliance with odor regulations.

Can regenerative thermal oxidizers handle corrosive exhaust gases?

Regenerative thermal oxidizers (RTOs) can be designed to handle corrosive exhaust gases effectively. However, the ability of an RTO to handle corrosive gases depends on several factors, including the choice of construction materials, operating conditions, and the specific corrosive nature of the exhaust gases. Here are some key points regarding the handling of corrosive exhaust gases in RTOs:

• Material Selection: The selection of appropriate construction materials is crucial when dealing with corrosive gases. RTOs can be constructed using materials that offer high resistance to corrosion, such as stainless steel, corrosion-resistant alloys (e.g., Hastelloy, Inconel), or coated materials. The choice of materials depends on the specific corrosive compounds present in the exhaust gases and their concentrations.
• Corrosion-Resistant Coatings: In addition to selecting corrosion-resistant materials, applying protective coatings can enhance the resistance of the RTO components to corrosive gases. Coatings such as ceramic coatings, epoxy coatings, or acid-resistant paints can provide an extra layer of protection against corrosion.
• Temperature Control: Maintaining appropriate operating temperatures in the RTO can help mitigate the corrosive effects of the exhaust gases. Higher temperatures can promote the decomposition of corrosive compounds, reducing their corrosive potential. Additionally, operating at higher temperatures can enhance the self-cleaning effect and prevent the accumulation of corrosive deposits on the surfaces.
• Gas Conditioning: Prior to entering the RTO, the exhaust gases can undergo gas conditioning processes to reduce their corrosive nature. This may involve pre-treatment methods such as scrubbing or neutralization to remove or neutralize corrosive compounds and reduce their concentration.
• Monitoring and Maintenance: Regular monitoring of the RTO performance and periodic maintenance are essential to ensure the effective handling of corrosive exhaust gases. Monitoring systems can track variables such as temperature, pressure, and gas composition to detect any deviations that may indicate corrosion-related issues. Proper maintenance, including cleaning and inspection of the components, helps identify and address any corrosion concerns in a timely manner.

It is important to note that the corrosiveness of exhaust gases can vary significantly depending on the specific industrial process and the pollutants involved. Therefore, when designing an RTO for handling corrosive gases, it is advisable to consult with experienced engineers or RTO manufacturers who can provide guidance on the appropriate design considerations and material selection.

By employing suitable materials, coatings, temperature control, gas conditioning, and maintenance practices, RTOs can effectively handle corrosive exhaust gases while ensuring their long-term performance and durability.

Regenerative Thermal Oxidizer vs. Thermal Oxidizer

When comparing a regenerative thermal oxidizer (RTO) to a conventional thermal oxidizer, there are several key differences to consider:

1. Operation:

A regenerative thermal oxidizer operates using a cyclical process that involves heat recovery, while a thermal oxidizer typically operates in a continuous mode without heat recovery.

2. Heat Recovery:

One of the primary distinctions between the two systems is the heat recovery mechanism. An RTO utilizes heat exchanger beds filled with ceramic media or structured packing to recover heat from the outgoing gases and preheat the incoming gases, resulting in energy savings. In contrast, a thermal oxidizer does not incorporate heat recovery, leading to higher energy consumption.

3. Efficiency:

RTOs are known for their high destruction efficiency, typically above 95%, which enables effective removal of volatile organic compounds (VOCs) and other pollutants. Thermal oxidizers, on the other hand, may have slightly lower destruction efficiencies depending on the specific design and operating conditions.

4. Energy Consumption:

Due to the heat recovery mechanism, RTOs generally require less energy for operation compared to thermal oxidizers. The preheating of incoming gases in an RTO reduces the fuel consumption required for combustion, making it more energy-efficient.

5. Cost-effectiveness:

While the initial capital investment for an RTO can be higher than that of a thermal oxidizer due to the heat recovery components, the long-term operational cost savings through energy recovery and higher destruction efficiencies make RTOs a cost-effective solution over the lifespan of the system.

6. Environmental Compliance:

Both RTOs and thermal oxidizers are designed to meet emissions regulations and help industries comply with air quality standards and permits. However, RTOs typically offer higher destruction efficiencies, which can enhance environmental compliance.

7. Versatility:

RTOs and thermal oxidizers are both versatile in terms of handling a wide range of process exhaust volumes and pollutant concentrations. However, RTOs are often preferred for applications where high destruction efficiencies and energy recovery are critical.

Overall, the key distinctions between a regenerative thermal oxidizer and a thermal oxidizer lie in the heat recovery mechanism, energy consumption, efficiency, and cost-effectiveness. RTOs offer superior energy recovery and higher destruction efficiencies, making them an attractive option for industries that prioritize energy efficiency and environmental compliance.

editor by CX 2023-09-27