Basic Info.
Tip
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!
What are the limitations of regenerative thermal oxidizers?
While regenerative thermal oxidizers (RTOs) are widely used for air pollution control, they do have certain limitations that should be considered. Here are some key limitations of RTOs:
- High Capital Cost: RTOs typically have higher capital costs compared to other air pollution control technologies. The complexity of the regenerative heat exchanger system, which enables high energy efficiency, can contribute to the higher upfront investment required for RTO installation.
- Space Requirements: RTOs generally require a larger footprint compared to some other air pollution control devices. The presence of regenerative heat exchangers, combustion chambers, and associated equipment necessitates adequate space for installation. This can be a limitation for industries with limited available space.
- High Energy Consumption during Startup: RTOs require a certain amount of time and energy to reach their optimal operating temperature during startup. This initial energy consumption can be relatively high, and it is important to consider this aspect when planning the operational schedule and energy management of an RTO system.
- Limitations in Handling Low Concentration VOCs: RTOs may have limitations in effectively treating low concentration volatile organic compounds (VOCs). If the VOC concentrations in the exhaust gas are too low, the energy required to maintain the necessary temperature for oxidation may be higher than the energy released during the combustion process. In such cases, other air pollution control technologies or pre-concentration techniques may be more suitable.
- Particulate Matter Control: RTOs are not specifically designed for controlling particulate matter emissions. While they may provide some incidental removal of fine particulate matter, their removal efficiency for particulates is generally lower compared to dedicated particulate control devices such as fabric filters (baghouses) or electrostatic precipitators.
- Chemically Corrosive Gases: RTOs may not be suitable for treating exhaust gases containing highly corrosive compounds. The high temperatures within the RTO can accelerate corrosion of materials, and the presence of corrosive gases may require additional corrosion-resistant materials or alternative air pollution control technologies.
Despite these limitations, RTOs remain an effective and widely used technology for the destruction of gaseous pollutants in various industrial applications. It is important to evaluate the specific requirements, characteristics of the exhaust gases, and environmental regulations when considering the implementation of an RTO system.
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 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 Dream 2024-05-16