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.
How do regenerative thermal oxidizers compare to biofilters in terms of performance?
Regenerative thermal oxidizers (RTOs) and biofilters are both widely used technologies for the treatment of air pollutants, but they differ in their operating principles and performance characteristics. Here’s a comparison of RTOs and biofilters in terms of their performance:
| Performance Aspect | Regenerative Thermal Oxidizers (RTOs) | Biofilters |
|---|---|---|
| Emission Removal Efficiency | RTOs are highly efficient in removing volatile organic compounds (VOCs) and hazardous air pollutants (HAPs). They can achieve destruction efficiencies above 95% for these pollutants. | Biofilters also have the potential to achieve high removal efficiencies for certain VOCs and odorous compounds. However, their performance can vary depending on the specific contaminants and the microbial activity in the biofilter. |
| Applicability | RTOs are versatile and can handle a wide range of pollutants, including VOCs, HAPs, and odorous compounds. They are well-suited for high flow rates and high pollutant concentrations. | Biofilters are particularly effective in treating odorous compounds and certain VOCs. They are commonly used in applications such as wastewater treatment facilities, composting operations, and agricultural facilities. |
| Energy Consumption | RTOs require a significant amount of energy to reach and maintain high operating temperatures for oxidation. They rely on fuel combustion or external heat sources for the thermal energy needed. | Biofilters are considered low energy consumption systems as they rely on the natural biological activity of microorganisms to break down pollutants. They generally do not require external heating or fuel consumption. |
| Maintenance | RTOs typically require regular maintenance and monitoring to ensure proper operation. This includes inspections, cleaning of heat exchange media, and potential repairs or replacements of components. | Biofilters require periodic maintenance to optimize their performance. This may involve monitoring and adjusting moisture levels, controlling temperature, and occasionally replacing the filter media or adding microbial inoculants. |
| Capital and Operating Costs | RTOs generally have higher capital costs compared to biofilters due to their complex design, specialized materials, and energy-intensive operation. Operating costs include fuel consumption or electricity for heating. | Biofilters generally have lower capital costs compared to RTOs. They are simpler in design and do not require fuel consumption. However, operating costs may include periodic replacement of filter media and potential odor control measures. |
It is important to note that the selection of the appropriate technology depends on various factors such as the specific pollutants to be treated, process conditions, regulatory requirements, and site-specific considerations. Consulting with environmental engineers or air pollution control experts can help determine the most suitable technology for a particular application.
In summary, RTOs and biofilters offer different performance characteristics, with RTOs excelling in high removal efficiencies, versatility, and suitability for high-flow and high-concentration applications, while biofilters are effective for odorous compounds, have low energy consumption, and generally lower capital costs.
How does a regenerative thermal oxidizer work?
A regenerative thermal oxidizer (RTO) is an advanced air pollution control device that operates through a cyclical process to remove volatile organic compounds (VOCs), hazardous air pollutants (HAPs), and other airborne contaminants from exhaust gases. Here’s a detailed explanation of how an RTO works:
1. Inlet Plenum: The exhaust gases containing pollutants enter the RTO through the inlet plenum.
2. Heat Exchanger Beds: The RTO contains multiple heat exchanger beds filled with heat storage media, typically ceramic materials or structured packing. The heat exchanger beds are arranged in pairs.
3. Flow Control Valves: Flow control valves direct the airflow and control the direction of the exhaust gases through the RTO.
4. Combustion Chamber: The exhaust gases, now directed into the combustion chamber, are heated to a high temperature, typically between 1400°F (760°C) and 1600°F (870°C). This temperature range ensures effective thermal oxidation of the pollutants.
5. VOC Destruction: The high temperature in the combustion chamber causes the VOCs and other contaminants to react with oxygen, resulting in their thermal decomposition or oxidation. This process breaks down the pollutants into water vapor, carbon dioxide, and other harmless gases.
6. Heat Recovery: The hot, purified gases leaving the combustion chamber pass through the outlet plenum and flow through the heat exchanger beds that are in the opposite phase of operation. The heat storage media in the beds absorb heat from the outgoing gases, which preheats the incoming exhaust gases.
7. Cycle Switching: After a specific time interval, the flow control valves switch the airflow direction, allowing the heat exchanger beds that were preheating the incoming gases to now receive the hot gases from the combustion chamber. The cycle then repeats, ensuring continuous and efficient operation.
Advantages of a regenerative thermal oxidizer:
RTOs offer several advantages in industrial air pollution control:
1. High Efficiency: RTOs can achieve high destruction efficiencies, typically above 95%, effectively removing a wide range of pollutants.
2. Energy Recovery: The heat recovery mechanism in RTOs allows for significant energy savings. The preheating of incoming gases reduces the fuel consumption required for combustion, making RTOs energy-efficient.
3. Cost-effectiveness: Although the initial capital investment for an RTO can be significant, the long-term operational cost savings through energy recovery and high destruction efficiencies make it a cost-effective solution over the lifespan of the system.
4. Environmental Compliance: RTOs are designed to meet stringent emissions regulations and help industries comply with air quality standards and permits.
5. Versatility: RTOs can handle a wide range of process exhaust volumes and pollutant concentrations, making them suitable for various industrial applications.
Overall, a regenerative thermal oxidizer operates by utilizing heat recovery, high-temperature combustion, and cyclical flow control to effectively oxidize pollutants and achieve high destruction efficiencies while minimizing energy consumption.
editor by Dream 2024-05-16
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