Basic Info.

Model NO.

RTO

Тип

Environmental Monitoring Instrument

Brand

Raidsant

Condition

New

Clean Efficeincy

99.8%

Application

Chemical Industry

Main Function

Waste Gases Removal

Trademark

Raidsant

Transport Package

Film Wrapped

Origin

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.;

Specifications:;

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

Purpose:;

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.;

Applications:;

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

Merits:;

 *   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

How do regenerative thermal oxidizers compare to catalytic oxidizers?

Regenerative thermal oxidizers (RTOs) and catalytic oxidizers are both effective technologies used for controlling air emissions from industrial processes. While they serve a similar purpose, there are significant differences in their operation, efficiency, and applicability.

Here is a comparison between RTOs and catalytic oxidizers:

Regenerative Thermal Oxidizers (RTOs)Catalytic Oxidizers
Operation:Operation:
RTOs achieve emission control through high-temperature combustion without the use of a catalyst. They rely on the thermal oxidation process, where VOCs and other pollutants in the exhaust gas are oxidized at high temperatures (typically between 1,400°F and 1,600°F) in the presence of excess oxygen.Catalytic oxidizers utilize a catalyst (usually a precious metal, such as platinum, palladium, or rhodium) to facilitate the oxidation of VOCs and other pollutants at lower temperatures compared to RTOs. The catalyst lowers the activation energy required for the oxidation reaction, enabling it to occur at lower temperatures (around 600°F to 900°F).
Efficiency:Efficiency:
RTOs are known for their high thermal efficiency. They utilize a regenerative heat exchanger system that recovers and transfers heat from the treated exhaust gases to the incoming untreated gases, significantly reducing fuel consumption. This heat recovery mechanism makes RTOs energy-efficient.Catalytic oxidizers are generally more energy-efficient than RTOs because they operate at lower temperatures. The catalyst facilitates the oxidation reaction, allowing it to occur at lower temperatures, which reduces the energy requirement for heating the exhaust gas.
Applicability:Applicability:
RTOs are particularly suitable for applications where the pollutant concentrations are high, or where there is a wide variation in flow rates or pollutant concentrations. They are commonly used for the control of volatile organic compounds (VOCs) and hazardous air pollutants (HAPs) in various industries, including chemical manufacturing, printing, coating, and pharmaceuticals.Catalytic oxidizers are often preferred in applications where the pollutant concentrations are relatively low and relatively constant. They are effective for VOC control in applications such as automotive painting, printing, and food processing, where the VOC concentrations can be lower and more consistent.
Limitations:Limitations:
RTOs have higher capital costs compared to catalytic oxidizers due to their complex design and heat recovery system. They also have a higher operating temperature, which may limit their applicability in certain processes or require additional heat recovery systems.Catalytic oxidizers can be sensitive to poisons or contaminants in the exhaust gas that can deactivate or degrade the catalyst over time. Certain compounds, such as sulfur, silicones, or halogenated compounds, can potentially poison the catalyst, reducing its effectiveness and requiring periodic catalyst replacement or regeneration.

When selecting between an RTO and a catalytic oxidizer, it is essential to consider the specific requirements of the application, including pollutant concentrations, flow rates, temperature requirements, and cost considerations. Consulting with environmental engineering professionals or equipment manufacturers can help determine the most suitable technology for a particular emission control need.

regenerative thermal oxidizers

How do regenerative thermal oxidizers handle variations in pollutant composition?

Regenerative thermal oxidizers (RTOs) are designed to handle variations in pollutant composition effectively. RTOs are commonly used for treating volatile organic compounds (VOCs) and hazardous air pollutants (HAPs) emitted from various industrial processes. Here are some key points regarding how RTOs handle variations in pollutant composition:

  • Thermal Oxidation Process: RTOs utilize a thermal oxidation process to eliminate pollutants. The process involves raising the temperature of the exhaust gas to a level where the pollutants react with oxygen and are oxidized to carbon dioxide (CO2) and water vapor. This high-temperature oxidation process is effective in treating a wide range of pollutants, regardless of their specific composition.
  • Wide Range of Pollutant Compatibility: RTOs are designed to handle a broad spectrum of pollutants, including VOCs and HAPs with varying chemical compositions. The high operating temperatures in the RTO, typically between 1400°F to 1600°F (760°C to 870°C), ensure that a wide range of organic compounds can be effectively oxidized, regardless of their molecular structure or chemical makeup.
  • Residence Time and Dwell Time: RTOs provide sufficient residence time and dwell time for the exhaust gas within the oxidizer. The exhaust gas is directed through a heat exchange system, where it passes through ceramic media beds or heat exchange media. These media beds absorb the heat from the high-temperature combustion chamber and transfer it to the incoming exhaust gas. The extended residence time and dwell time ensure that even complex or less reactive pollutants have enough contact time with the elevated temperature to be effectively oxidized.
  • Heat Recovery: RTOs incorporate heat recovery systems that maximize thermal efficiency. The heat exchangers within the RTO capture and transfer heat from the outgoing exhaust gas to the incoming process stream. This heat exchange process helps maintain the high operating temperatures required for effective pollutant destruction while minimizing the energy consumption of the system. The ability to recover and reuse heat also contributes to the RTO’s ability to handle variations in pollutant composition.
  • Advanced Control Systems: RTOs employ advanced control systems to monitor and optimize the oxidation process. These control systems continuously monitor parameters such as temperature, flow rates, and pollutant concentrations. By adjusting the operating conditions in response to variations in pollutant composition, the control systems ensure optimal performance and maintain high destruction efficiencies.

In summary, RTOs handle variations in pollutant composition by utilizing a thermal oxidation process, accommodating a wide range of pollutants, providing sufficient residence time and dwell time, incorporating heat recovery systems, and employing advanced control systems. These features allow RTOs to effectively treat emissions with different pollutant compositions, ensuring high destruction efficiencies and compliance with environmental regulations.

regenerative thermal oxidizers

Can a regenerative thermal oxidizer handle high-volume exhaust gases?

Yes, a regenerative thermal oxidizer (RTO) is capable of handling high-volume exhaust gases emitted from industrial processes. RTOs are designed to handle a wide range of flow rates, including high-volume exhaust streams. Here are the reasons why RTOs are suitable for handling high-volume exhaust gases:

1. Scalability: RTOs are highly scalable and can be designed to accommodate varying exhaust gas volumes. The size and capacity of an RTO can be customized to match the specific requirements of the industrial process. This scalability allows RTOs to handle high-volume exhaust gases effectively.

2. Modular Design: RTOs often feature a modular design that allows multiple units to be installed in parallel. This modular configuration enables the treatment of large exhaust gas volumes by operating multiple RTO units simultaneously. The modular approach provides flexibility and ensures efficient handling of high-volume exhaust gases.

3. Large Heat Exchange Surface: RTOs incorporate structured ceramic media beds that provide a large heat exchange surface area. The media beds efficiently transfer heat between the incoming and outgoing gas streams, facilitating the oxidation of VOCs. The large heat exchange surface area enables RTOs to effectively handle high-volume exhaust gases while maintaining the required combustion temperature.

4. Heat Recovery: RTOs are known for their energy-efficient operation due to their heat recovery capabilities. The heat recovery system within an RTO captures and preheats the incoming process air by utilizing the heat energy from the outgoing exhaust stream. This heat recovery mechanism minimizes the energy consumption required to maintain the combustion temperature, making RTOs well-suited for handling high-volume exhaust gases without significantly increasing energy costs.

5. Effective Flow Distribution: RTOs are engineered to ensure proper flow distribution within the system. The design includes appropriate ductwork, valves, and dampers to evenly distribute the exhaust gases across the ceramic media beds. Effective flow distribution prevents preferential flow paths and ensures that all exhaust gases receive sufficient residence time for complete VOC destruction, even in high-volume exhaust gas applications.

6. Advanced Control Systems: Modern RTOs are equipped with advanced control systems that optimize the performance of the system. These control systems monitor and regulate various parameters, including temperature, airflow, and valve sequencing. The control systems adapt to the fluctuating exhaust gas volumes and maintain the required combustion temperature, ensuring efficient handling of high-volume exhaust gases.

In summary, regenerative thermal oxidizers (RTOs) are capable of effectively handling high-volume exhaust gases. Their scalability, modular design, large heat exchange surface, heat recovery capabilities, effective flow distribution, and advanced control systems make RTOs well-suited for industrial processes that generate substantial exhaust gas volumes.

China high quality Regenerative Thermal Oxidizer
editor by CX 2023-10-14

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