Basic Info.
Model NO.
RTO
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!
Can regenerative thermal oxidizers be used for abating hazardous air pollutants (HAPs)?
Yes, regenerative thermal oxidizers (RTOs) can be used effectively for abating hazardous air pollutants (HAPs). RTOs are widely recognized and employed as one of the most efficient and reliable technologies for the destruction of a wide range of volatile organic compounds (VOCs) and hazardous air pollutants.
Here are some key points regarding the use of RTOs for abating HAPs:
- High Destruction Efficiency: RTOs are known for their high destruction efficiency, which refers to their ability to effectively oxidize and destroy HAPs. The combustion chamber within the RTO is designed to maintain a sufficiently high temperature (typically above 1,400°F or 760°C) to ensure complete oxidation of the pollutants, including HAPs.
- Wide Applicability: RTOs can handle a wide range of HAPs and VOCs, including but not limited to benzene, toluene, xylene, chlorinated compounds, formaldehyde, and various other organic pollutants. Their versatility makes them suitable for diverse industrial applications where HAPs may be present.
- Retention Time: RTOs are designed with a sufficient residence or retention time within the combustion chamber. This allows the exhaust gases containing HAPs to spend enough time in the high-temperature zone, ensuring that HAPs are adequately treated and oxidized to harmless byproducts.
- Heat Recovery: The heat recovery system in an RTO, typically using ceramic media beds or heat exchangers, plays a crucial role in the destruction of HAPs. The heat recovery system helps maintain the required temperature and provides thermal energy to sustain the combustion process, ensuring effective destruction of HAPs even during variable operating conditions.
- Compliance with Regulations: RTOs are designed to meet stringent environmental regulations governing HAP emissions. By effectively destroying HAPs, RTOs help industries comply with air quality standards and emission limits set by regulatory agencies.
- Monitoring and Controls: RTOs are equipped with advanced monitoring and control systems that continuously monitor parameters such as temperature, pressure, and pollutant concentrations. These systems ensure the optimal performance of the RTO in treating HAPs and allow for adjustments and optimization as needed.
It’s important to note that the specific design and configuration of an RTO may need to be tailored to the characteristics of the HAPs being treated. Factors such as the HAPs’ chemical composition, concentration, and other process-specific considerations may influence the selection and customization of the RTO system.
In summary, RTOs are highly effective and reliable technologies for abating hazardous air pollutants. Their high destruction efficiency, wide applicability, and compliance with regulations make them a preferred choice for industries seeking to mitigate the environmental impact of HAP emissions.
What are the typical construction materials used in regenerative thermal oxidizers?
Regenerative thermal oxidizers (RTOs) are constructed using various materials that can withstand the high temperatures, corrosive environments, and mechanical stresses encountered during operation. The choice of materials depends on factors such as the specific design, process conditions, and the types of pollutants being treated. Here are some typical construction materials used in RTOs:
- Heat Exchangers: The heat exchangers in RTOs are responsible for transferring heat from the outgoing exhaust gas to the incoming process air or gas stream. The construction materials for heat exchangers often include:
- Ceramic Media: RTOs commonly use structured ceramic media, such as ceramic monoliths or ceramic saddles. These materials have excellent thermal properties, high resistance to thermal shock, and good chemical resistance. Ceramic media provide a large surface area for efficient heat transfer.
- Metallic Media: Some RTO designs may incorporate metallic heat exchangers made from alloys such as stainless steel or other heat-resistant metals. Metallic media offer robustness and durability, particularly in applications with high mechanical stresses or corrosive environments.
- Combustion Chamber: The combustion chamber of an RTO is where the oxidation of pollutants takes place. The construction materials for the combustion chamber should be able to withstand the high temperatures and corrosive conditions. Commonly used materials include:
- Refractory Lining: RTOs often have refractory lining in the combustion chamber to provide thermal insulation and protection. Refractory materials, such as high-alumina or silicon carbide, are chosen for their high-temperature resistance and chemical stability.
- Steel or Alloys: The structural components of the combustion chamber, such as the walls, roof, and floor, are typically made of steel or heat-resistant alloys. These materials offer strength and stability while withstanding the high temperatures and corrosive gases.
- Ductwork and Piping: The ductwork and piping in an RTO transport the exhaust gas, process air, and auxiliary gases. The materials used for ductwork and piping depend on the specific requirements, but commonly used materials include:
- Mild Steel: Mild steel is often used for ductwork and piping in less corrosive environments. It provides strength and cost-effectiveness.
- Stainless Steel: In applications where corrosion resistance is crucial, stainless steel, such as 304 or 316 grades, may be used. Stainless steel offers excellent resistance to many corrosive gases and environments.
- Corrosion-Resistant Alloys: In highly corrosive environments, corrosion-resistant alloys like Hastelloy or Inconel may be employed. These materials provide exceptional resistance to a wide range of corrosive chemicals and gases.
- Insulation: Insulation materials are used to minimize heat loss from the RTO and ensure energy efficiency. Common insulation materials include:
- Ceramic Fiber: Ceramic fiber insulation offers excellent thermal resistance and low thermal conductivity. It is often used in RTOs to reduce heat loss and improve overall energy efficiency.
- Mineral Wool: Mineral wool insulation provides good thermal insulation and sound absorption properties. It is commonly used in RTOs to reduce heat loss and enhance safety.
It is important to note that the specific materials used in RTO construction may vary depending on factors such as the process requirements, temperature range, and corrosive nature of the gases being treated. Manufacturers of RTOs typically select appropriate materials based on their expertise and the specific application.
What are the key components of a regenerative thermal oxidizer?
A regenerative thermal oxidizer (RTO) typically consists of several key components that work together to achieve effective air pollution control. The main components of an RTO include:
- 1. Combustion Chamber: The combustion chamber is where the oxidation of the pollutants takes place. It is designed to withstand high temperatures and house the ceramic media beds that facilitate heat exchange and VOC destruction. The combustion chamber provides a controlled environment for the combustion process to occur efficiently.
- 2. Ceramic Media Beds: Ceramic media beds are the heart of an RTO. They are filled with structured ceramic materials that act as a heat sink. The media beds alternate between the inlet and outlet sides of the RTO, allowing for efficient heat transfer. As the VOC-laden air passes through the media beds, it is heated by the stored heat from the previous cycle, promoting combustion and VOC destruction.
- 3. Valves or Dampers: Valves or dampers are used to direct the airflow within the RTO. They control the flow of the process air and the direction of the exhaust gases during the different phases of operation, such as the heating, combustion, and cooling cycles. Proper valve sequencing ensures optimal heat recovery and VOC destruction efficiency.
- 4. Burner System: The burner system provides the necessary heat to raise the temperature of the incoming process air to the required combustion temperature. It typically uses natural gas or another fuel source to generate the heat energy needed for the destruction of VOCs. The burner system is designed to provide stable and controlled combustion conditions within the RTO.
- 5. Heat Recovery System: The heat recovery system enables energy efficiency in an RTO. It captures and preheats the incoming process air by utilizing the heat energy from the outgoing exhaust stream. The heat exchange occurs between the ceramic media beds, allowing for significant energy savings and reducing the overall operating costs of the RTO.
- 6. Control System: The control system of an RTO monitors and regulates the operation of various components. It ensures proper valve sequencing, temperature control, and safety interlocks. The control system optimizes the performance of the RTO, maintains the desired destruction efficiency, and provides necessary alarms and diagnostics for efficient operation and maintenance.
- 7. Stack or Exhaust System: The stack or exhaust system is responsible for releasing the treated and cleaned gases into the atmosphere. It may include a stack, ductwork, and any necessary emission monitoring equipment to ensure compliance with environmental regulations.
These key components work together in a coordinated manner to provide efficient air pollution control in a regenerative thermal oxidizer. Each component plays a critical role in achieving high VOC destruction efficiency, energy recovery, and compliance with environmental standards.
editor by CX 2024-03-26