China wholesaler High Efficiency Regenerative Thermal Oxidizer – Rto for Exhausting Vocs

Basic Info.

Model NO.

RTO

유형

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.

Can regenerative thermal oxidizers handle corrosive exhaust gases?

Regenerative thermal oxidizers (RTOs) can be designed to handle corrosive exhaust gases effectively. However, the ability of an RTO to handle corrosive gases depends on several factors, including the choice of construction materials, operating conditions, and the specific corrosive nature of the exhaust gases. Here are some key points regarding the handling of corrosive exhaust gases in RTOs:

• Material Selection: The selection of appropriate construction materials is crucial when dealing with corrosive gases. RTOs can be constructed using materials that offer high resistance to corrosion, such as stainless steel, corrosion-resistant alloys (e.g., Hastelloy, Inconel), or coated materials. The choice of materials depends on the specific corrosive compounds present in the exhaust gases and their concentrations.
• Corrosion-Resistant Coatings: In addition to selecting corrosion-resistant materials, applying protective coatings can enhance the resistance of the RTO components to corrosive gases. Coatings such as ceramic coatings, epoxy coatings, or acid-resistant paints can provide an extra layer of protection against corrosion.
• Temperature Control: Maintaining appropriate operating temperatures in the RTO can help mitigate the corrosive effects of the exhaust gases. Higher temperatures can promote the decomposition of corrosive compounds, reducing their corrosive potential. Additionally, operating at higher temperatures can enhance the self-cleaning effect and prevent the accumulation of corrosive deposits on the surfaces.
• Gas Conditioning: Prior to entering the RTO, the exhaust gases can undergo gas conditioning processes to reduce their corrosive nature. This may involve pre-treatment methods such as scrubbing or neutralization to remove or neutralize corrosive compounds and reduce their concentration.
• Monitoring and Maintenance: Regular monitoring of the RTO performance and periodic maintenance are essential to ensure the effective handling of corrosive exhaust gases. Monitoring systems can track variables such as temperature, pressure, and gas composition to detect any deviations that may indicate corrosion-related issues. Proper maintenance, including cleaning and inspection of the components, helps identify and address any corrosion concerns in a timely manner.

It is important to note that the corrosiveness of exhaust gases can vary significantly depending on the specific industrial process and the pollutants involved. Therefore, when designing an RTO for handling corrosive gases, it is advisable to consult with experienced engineers or RTO manufacturers who can provide guidance on the appropriate design considerations and material selection.

By employing suitable materials, coatings, temperature control, gas conditioning, and maintenance practices, RTOs can effectively handle corrosive exhaust gases while ensuring their long-term performance and durability.

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:
1. 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.
2. 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.
3. 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.
4. 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:
1. 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.
2. 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.
3. 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.
4. 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 2024-02-08