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!
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 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 handle start-up and shutdown procedures?
Regenerative thermal oxidizers (RTOs) have specific procedures for start-up and shutdown to ensure safe and efficient operation. These procedures are designed to optimize the performance of the RTO and minimize any potential risks. Here is an overview of how RTOs handle start-up and shutdown:
- Start-up Procedure: During start-up, the RTO goes through a series of steps to reach its operating temperature. The start-up procedure typically involves the following stages:
- Purge Stage: The RTO is purged with clean air or an inert gas to remove any potential flammable or explosive gases that may have accumulated during the shutdown period.
- Preheat Stage: The RTO’s heat exchangers are preheated using a burner or an auxiliary heat source. This gradually increases the temperature of the heat exchange media (typically ceramic or metallic beds) and the combustion chamber.
- Heat Soak Stage: Once the heat exchangers reach a certain temperature, the RTO enters the heat soak stage. In this stage, the heat exchangers are fully heated, and the RTO operates in a self-sustaining mode, with the combustion chamber temperature being maintained primarily by the heat released from the oxidation of pollutants in the exhaust gas.
- Normal Operation: After the heat soak stage, the RTO is considered to be in normal operation mode, where it maintains the desired operating temperature and treats the exhaust gas containing pollutants.
- Shutdown Procedure: The shutdown procedure of an RTO is aimed at safely and efficiently stopping the operation of the system. The procedure typically involves the following steps:
- Cool Down: The RTO is gradually cooled down by reducing the flow of the exhaust gas and the supply of combustion air. This helps to prevent thermal stress on the equipment and minimize the risk of fires or other safety hazards.
- Heat Recovery: During the cool-down phase, the RTO may employ heat recovery techniques to capture and utilize the residual heat for other purposes, such as preheating incoming process air or water.
- Purge: Once the RTO has cooled down sufficiently, a purge cycle is initiated to remove any residual gases or contaminants from the system. This helps to ensure a clean and safe environment for maintenance activities or subsequent start-ups.
- Complete Shutdown: After the purge cycle, the RTO is considered to be in a fully shut-down state, and it can remain in this state until the next start-up is initiated.
It is important to note that the specific start-up and shutdown procedures for an RTO may vary depending on the design and manufacturer. Manufacturers typically provide detailed guidelines and instructions for operating their specific RTO models, and it is crucial to follow these guidelines to ensure safe and efficient operation.
editor by CX 2024-03-12