Basic Info.

Model NO.



Environmental Monitoring Instrument





Clean Efficeincy



Chemical Industry

Main Function

Waste Gases Removal



Transport Package

Film Wrapped


ZheJiang China

Product Description

HangZhou Raidsant Machinery Co.;,; Ltd.; is majored in developing and manufacturing innovativepowder cooling pelletizing machinery and related industrial waste gas treatment machine.; With nearly 20 years’ production history,; we have a good market in more than 20 provinces in China,; and some of our products were exported to Saudi Arabia,;Singapore,;Mexico,; Brazil,;Spain,; America,; Russia and Korea,; etc.;


* More compact than the existing facilities 
* Low-operation costs 
* Long lifespan of facilities 
* No changes in pressure


Energy-saving system that burns volatile organic compound (VOC); and waste gas by using heat,; and it collects over 99.;8% of waste heat of exhaust gas by using ceramic regenerative materials (catalyst); with large surface area and low-pressure loss.;


1.; Painting drying process
2.; metal printing process
3.; fiber drying process
4.; adhesive tape process
5.; waste treatment process
6.; semiconductor manufacturing process
7.; smoke,; confectionary and baking process
8.; petrochemical process,; 
9.; medicine and food manufacturing process,; 
10.; other VOC generating process


 *   More compact than the existing facilities
 *   No changes in pressure
 *   High-heat recovery rate (over 95%);
 *   Perfect VOC treatment (over 99.;8%);
  *  Long lifespan of facilities
  *  Low-operation costs
  *  Able to be manufactured in circle or quadrangle

General Descriptions and Features:; 

1.; Operating principle
 Operation method that continuously changing discharges by rotating the Rotary Valve

2.; Process Pressure Change
  No pressure change because wind direction changes in order by the Rotary Valve rotation

3.; Investment Costs
 Around 70% of Bed Type

4.; Installation Space
 It is single vessel so it is compact and requires less installation space.;

5.; Maintenance
 It is easy to maintain it because Rotary Valve is the only 1 moving part.;
 Rotary Valve’s sealing part is rarely worn out because it rotates at low speed.;

6.; Stability
No risks in the process because it is always opened even when the Rotary Valve has troubles.;

7.; Treatment Efficiency
 Treatment efficiency maintains because sealing part is rarely worn out even if it is operated for a long time.;


Address: No.3,Zhenxin Middle Road, Economic Development Zone,HangZhou,ZheJiang

Business Type: Manufacturer/Factory, Trading Company

Business Range: Chemicals, Electrical & Electronics, Manufacturing & Processing Machinery, Security & Protection

Management System Certification: ISO 9001

Main Products: Pelletizer, Flaker, Pastillator, Granulator, Chemical Pelletizer, Vocs

Company Introduction: HangZhou Raidsant Machinery Co., Ltd. ., previously called HangZhou Xinte Plastic Machinery Factory is majored in producing innovative plastic recycling machinery. With nearly 20 years′ experience, we have a good market in 20 provinces in China, and some of our products were exported to Indonesia, Russia and Vietnam, etc. Our main products include DZ Type Pastillator, waste tire recycling line, Big Calibre Plastic Pipe shredders recycling line, continuous annealing tin-coation machine, QX type PET, PE & hull washing line, SDP double rails plastic recycling crusher, SJ hot cutting granule making unit, PVC tube (cinquefoil) product line, PVC Odd-shaped material product line for door and window, granule product line in water and Shredder for plastics and recycling. We acquired 5 technical patents.

Our corpotation lays emphsis on thchnical reconstruction, imports advanced technology from home and abroad, and develops new products constantly. Our tenet is challenging for hight quality, offering the best products. We are making efforts to realize our slogan. Satisfying our customers is our everlasting pursuit.

We are looking for the oversea customers or agents. If you are interested in our proposal, please let us know which of our products is the most likely to appeal to you or your customers. We should be very grateful if you give us some ideas of the marketprospects for our products. We hope to hear favorable information from you soon! It is our goal that we wish we could buid a good relationship with you now or in the near future. Please do not hesitate to contact us if you have any question or request.

We also sincerely welcome you to our company to discuss business and negotiate with us. For further expanding our market and customers, our company welcomes customer from domestic and aboard in an new-brand gesture on the basis of full-new mangement conception—quality, honour, service. We are looking for ISO 90001 mangement quality system to meet with our customers requirement!

regenerative thermal oxidizers

Can regenerative thermal oxidizers handle variable pollutant concentrations?

Regenerative thermal oxidizers (RTOs) are designed to handle variable pollutant concentrations effectively. They are capable of accommodating fluctuations in pollutant concentrations without significant adverse effects on their performance or efficiency. The ability of RTOs to handle variable pollutant concentrations is one of the advantages that make them suitable for a wide range of industrial applications.

Here are some key points to consider regarding the capability of RTOs to handle variable pollutant concentrations:

  • High Destruction Efficiency: RTOs are known for their high destruction efficiency, which refers to their ability to effectively destroy or oxidize the pollutants present in the exhaust gases. The combustion chamber within the RTO is designed to maintain a sufficiently high temperature to ensure complete oxidation of the pollutants, regardless of their concentration.
  • Retention Time: RTOs are designed with a sufficient residence or retention time within the combustion chamber. This allows the exhaust gases to spend enough time in the high-temperature zone, ensuring that even pollutants with varying concentrations are adequately treated and oxidized.
  • Heat Recovery: The heat recovery system in an RTO, typically using ceramic media beds or heat exchangers, plays a crucial role in handling variable pollutant concentrations. The heat recovery system helps maintain the required temperature and provides thermal energy to sustain the combustion process, even during periods of low pollutant concentrations.
  • Dynamic Operation: RTOs are designed to operate dynamically, meaning they can adjust their operating parameters to accommodate changes in pollutant concentrations. They can modulate variables such as the flow rates of the exhaust gases and incoming untreated gases, the temperature setpoints, and the switching frequency of the beds to optimize performance under varying pollutant loads.
  • Monitoring and Controls: RTOs are equipped with advanced monitoring and control systems that continuously monitor pollutant concentrations, temperature, and other relevant parameters. These systems enable real-time adjustments and optimization of the RTO operation to ensure effective treatment of variable pollutant concentrations.

While RTOs can handle variable pollutant concentrations, it’s important to note that extreme or highly fluctuating pollutant concentrations may require additional considerations. In some cases, pre-treatment methods such as dilution or conditioning of the exhaust gases may be employed to ensure optimal performance of the RTO.

Overall, RTOs are versatile and reliable systems that can effectively handle variable pollutant concentrations, providing efficient and consistent treatment of industrial emissions.

regenerative thermal oxidizers

Are regenerative thermal oxidizers safe to operate?

Regenerative thermal oxidizers (RTOs) are designed with safety considerations to ensure their safe operation. When properly installed, operated, and maintained, RTOs provide a high level of safety. Here are some key points regarding the safety of operating RTOs:

  • Combustion and Fire Safety: RTOs are designed to safely combust and destroy volatile organic compounds (VOCs) and other pollutants in the exhaust stream. They incorporate various safety features to prevent the risk of uncontrolled fires or explosions. These features may include flame arrestors, temperature sensors, pressure relief devices, and automated shutdown systems to ensure safe operation in the event of abnormal operating conditions.
  • Control and Monitoring Systems: RTOs are equipped with advanced control and monitoring systems that continuously monitor various parameters such as temperature, pressure, and flow rates. These systems provide real-time data to operators, allowing them to detect any deviations from normal operating conditions promptly. Alarms and safety interlocks are often included to alert operators and initiate appropriate actions in case of abnormal situations.
  • Heat Recovery and Thermal Efficiency: RTOs are designed to maximize thermal efficiency by recovering and reusing heat generated during the oxidization process. This reduces the overall energy consumption and minimizes the risk of heat buildup within the system, contributing to safe operation and preventing excessive temperatures that could pose safety hazards.
  • Equipment and Material Selection: RTOs are constructed using materials that can withstand the high temperatures and corrosive conditions encountered during operation. Heat-resistant materials, such as ceramic beds or metallic heat exchangers, are commonly used. Proper material selection ensures the integrity and longevity of the equipment, reducing the risk of failures or leaks that could compromise safety.
  • Compliance with Standards and Regulations: RTOs must comply with applicable safety standards and regulations. These standards define specific requirements for the design, installation, operation, and maintenance of air pollution control systems, including RTOs. Compliance with these standards ensures that the RTOs meet the necessary safety criteria and helps safeguard the health and well-being of personnel and the surrounding environment.
  • Operator Training and Maintenance: Adequate operator training and regular maintenance are crucial for safe RTO operation. Operators should receive comprehensive training on the system’s operation, safety procedures, and emergency response protocols. Additionally, routine maintenance and inspections help identify and address any potential safety concerns or equipment issues before they escalate.

While RTOs are generally safe to operate, it is essential to follow the manufacturer’s guidelines, maintain proper safety protocols, and adhere to applicable regulations to ensure safe and reliable operation.

regenerative thermal oxidizers

Are regenerative thermal oxidizers environmentally friendly?

Regenerative thermal oxidizers (RTOs) are considered environmentally friendly air pollution control devices due to several reasons:

  • High Efficiency in Pollutant Destruction: RTOs are highly efficient in destroying pollutants, including volatile organic compounds (VOCs) and hazardous air pollutants (HAPs). They typically achieve destruction efficiencies exceeding 99%. This means that the vast majority of harmful pollutants are converted into harmless byproducts, such as carbon dioxide and water vapor.
  • Compliance with Emission Regulations: RTOs help industries comply with stringent air quality regulations and emission limits set by environmental agencies. By effectively removing pollutants from industrial exhaust streams, RTOs help reduce the release of harmful substances into the atmosphere, contributing to improved air quality.
  • Minimal Secondary Pollutant Formation: RTOs minimize the formation of secondary pollutants. The high temperatures within the combustion chamber promote the complete oxidation of pollutants, preventing the formation of uncontrolled byproducts, such as dioxins and furans, which can be more harmful than the original pollutants.
  • Energy Efficiency: RTOs incorporate heat recovery systems that improve energy efficiency. They capture and utilize the heat generated during the oxidation process to preheat the incoming process air, reducing the energy requirements for heating. This energy recovery feature helps minimize the overall environmental impact of the system.
  • Reduction of Greenhouse Gas Emissions: By effectively destroying VOCs and HAPs, RTOs contribute to the reduction of greenhouse gas emissions. VOCs are significant contributors to the formation of ground-level ozone and are associated with climate change. By eliminating VOC emissions, RTOs help mitigate the environmental impact associated with these pollutants.
  • Applicability to Various Industries: RTOs are widely applicable across different industries and processes. They can handle a wide range of exhaust volumes, pollutant concentrations, and variations in gas composition, making them versatile and adaptable to various industrial applications.

While RTOs offer significant environmental benefits, it’s important to note that their overall environmental performance depends on proper design, operation, and maintenance. Regular inspections, maintenance, and adherence to manufacturer’s guidelines are crucial to ensuring the continued effectiveness and environmental friendliness of RTOs.

China Custom Regenerative Thermal Oxidizer
editor by CX 2023-10-18