Basic Info.
Model NO.
RTO
Type
Environmental Monitoring Instrument
Main Function
Waste Gases Removal
Application
Chemical Industry
Brand
Raidsant
Clean Efficeincy
99.8%
Condition
New
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!
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.
Can regenerative thermal oxidizers handle high-temperature exhaust streams?
Regenerative thermal oxidizers (RTOs) are designed to handle high-temperature exhaust streams efficiently. They are capable of accommodating exhaust gases with elevated temperatures and effectively treating them for pollutant removal. Here are some key points regarding the handling of high-temperature exhaust streams in RTOs:
- Thermal Stability: RTOs are constructed using materials that can withstand high temperatures, typically ranging from 800 to 1,500 degrees Celsius (1,472 to 2,732 degrees Fahrenheit). The combustion chamber, heat exchangers, and other components are designed to maintain their structural integrity and thermal stability under these conditions.
- Heat Recovery: One of the primary advantages of RTOs is their ability to recover and reuse heat from the high-temperature exhaust streams. The heat exchangers within the RTO capture the thermal energy from the outgoing exhaust gases and transfer it to the incoming process air or gas stream. This heat recovery process improves the overall energy efficiency of the system and reduces the need for additional fuel consumption.
- Effective Combustion: RTOs are equipped with combustion chambers where the high-temperature exhaust gases are directed. In the combustion chamber, the pollutants in the exhaust stream are oxidized at high temperatures, typically above the autoignition temperature of the pollutants. This ensures effective destruction of the pollutants, even in high-temperature environments.
- Heat Exchange: RTOs utilize a regenerative heat exchange system, which allows for the efficient transfer of heat between the incoming and outgoing gas streams. The heat exchange media within the RTO alternately absorbs and releases heat, enabling the preheating of the incoming gases and cooling of the outgoing gases. This heat exchange process helps maintain the desired operating temperatures within the RTO while maximizing energy recovery.
- System Design Considerations: When handling high-temperature exhaust streams, proper system design is crucial. Factors such as the choice of materials, insulation, and thermal expansion considerations are taken into account to ensure safe and efficient operation at elevated temperatures. Additionally, temperature monitoring and control systems are implemented to maintain optimal operating conditions.
It is important to note that the specific temperature limits and capabilities of an RTO may vary depending on the design, materials used, and the specific requirements of the application. Consulting with experienced engineers or RTO manufacturers can provide valuable insights into the suitability of an RTO for handling a particular high-temperature exhaust stream.
Overall, RTOs are well-suited for handling high-temperature exhaust streams, offering effective pollutant destruction, heat recovery, and energy efficiency in industrial applications.
How do regenerative thermal oxidizers compare to other air pollution control devices?
Regenerative thermal oxidizers (RTOs) are highly regarded air pollution control devices that offer several advantages over other commonly used air pollution control technologies. Here’s a comparison of RTOs with some other air pollution control devices:
| Comparison | Regenerative Thermal Oxidizers (RTOs) | Electrostatic Precipitators (ESPs) | Scrubbers |
|---|---|---|---|
| Efficiency | RTOs achieve high VOC destruction efficiency, typically exceeding 99%. They are highly effective in destroying volatile organic compounds (VOCs) and hazardous air pollutants (HAPs). | ESPs are effective in collecting particulate matter, such as dust and smoke, but they are less effective in destroying VOCs and HAPs. | Scrubbers are efficient in removing certain pollutants, such as gases and particulate matter, but their performance may vary depending on the specific pollutants being targeted. |
| Applicability | RTOs are suitable for a wide range of industries and applications, including high-volume exhaust gases. They can handle varying concentrations and types of pollutants. | ESPs are commonly used for particulate matter control in applications such as power plants, cement kilns, and steel mills. They are less suitable for VOC and HAP control. | Scrubbers are widely used for removing acid gases, such as sulfur dioxide (SO2) and hydrogen chloride (HCl), as well as certain odorous compounds. They are often employed in industries such as chemical manufacturing and wastewater treatment. |
| Energy Efficiency | RTOs incorporate heat recovery systems that allow for significant energy savings. They can achieve high thermal efficiency by preheating the incoming process air using the heat from the outgoing exhaust stream. | ESPs consume relatively low energy compared to other technologies, but they do not offer heat recovery capabilities. | Scrubbers generally consume more energy compared to RTOs and ESPs due to the energy required for liquid atomization and pumping. However, some scrubber designs may incorporate heat recovery mechanisms. |
| Space Requirements | RTOs typically require more space compared to ESPs and certain scrubber designs due to the need for ceramic media beds and larger combustion chambers. | ESPs have a compact design and require less space compared to RTOs and some scrubber configurations. | Scrubber designs vary in size and complexity. Certain scrubber types, such as packed bed scrubbers, may require a larger footprint compared to RTOs and ESPs. |
| Maintenance | RTOs generally require regular maintenance of components such as valves, dampers, and ceramic media beds. Periodic media replacement may be necessary depending on the operating conditions. | ESPs require periodic cleaning of collection plates and electrodes. Maintenance activities involve the removal of accumulated particulate matter. | Scrubbers require maintenance of liquid circulation systems, pumps, and mist eliminators. Regular monitoring and adjustment of the chemical reagents used in the scrubbing process are also necessary. |
It’s important to note that the selection of an air pollution control device depends on the specific pollutants, process conditions, regulatory requirements, and economic considerations of the industrial application. Each technology has its own advantages and limitations, and it’s essential to evaluate these factors to determine the most appropriate solution for effective air pollution control.
editor by CX 2024-04-16
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