China factory Regenerative/Recuperative Thermal Oxidizer Rto for Voc Treatment

Basic Info.

Model NO.

Amazing RTO

Type

Incinerator

High Efficiency

100

Less Maintenance

100

Easy for Operation

100

Energy Saving

100

Trademark

Bjamazing

Transport Package

Overseas Wooden

Specification

180*24

Origin

China

HS Code

8416100000

Product Description

RTO

Regenerative Thermal Oxidizer

Compared with traditional catalytic combustion, direct thermal oxidizer, RTO has the merits of high heating efficiency, low operation cost, and the ability to treat large flux low concentration waste gas. When VOCs concentration is high, secondary heat recycle can be realized, which will greatly reduce the operation cost. Because RTO can preheat the waste gas by levels through ceramic heat accumulator, which could make the waste gas to be completely heated and cracked with no dead corner(treatment efficiency>99%),which reduce the NOX in the Exhausting gas, if the VOC density >1500mg/Nm3, when the waste gas reach cracking area, it has been heated up to cracking temperature by heat accumulator, the burner will be closed under this condition.

RTO can be devided into chamber type and rotary type according to difference operation mode. Rotary type RTO has advantages in system pressure, temperature stability, investment amount, etc

Recuperative thermal oxidizer:

Compared with the catalytic combustion and regenerative thermal oxidation furnace, recuperative thermal oxidizer  investment is less . Recuperative thermal oxidizer system can be designed for the entire incineration system as well as the new air system, which is more suitable for production characteristics of coating units  for building materials plate.

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Address: 8 floor, E1, Pinwei building, Dishengxi road, Yizhuang, ZheJiang , China

Business Type: Manufacturer/Factory, Trading Company

Business Range: Electrical & Electronics, Industrial Equipment & Components, Manufacturing & Processing Machinery, Metallurgy, Mineral & Energy

Management System Certification: ISO 9001, ISO 14001

Main Products: Rto, Color Coating Line, Galvanizing Line, Air Knife, Spares for Processing Line, Coater, Independent Equipments, Sink Roll, Revamping Project, Blower

Company Introduction: ZheJiang Amazing Science & Technology Co., Ltd is a thriving Hi-tech company, located in ZheJiang Economic and Technological Development Area(BDA). Adhering to the concept of Realistic, Innovative, Focused and Efficient, our company mainly serve the waste gas treatment (VOCs) Industry and metallurgical equipment of China and even whole world. We have advanced technology and rich experience in VOCs waste gas treatment project, the reference of which has been successfully applied to the industry of coating, rubber, electronic, printing, etc. We also have years of technology accumulation in the research and manufacturing of flat steel processing line, and possess nearly 100 of application example.

Our company focus on the research, design, manufacturing, installation and commissioning of VOCs organic waste gas treatment system and the revamping and updating project for energy saving and environmental protection of flat steel processing line. We can provide customers the complete solutions for environmental protection, energy saving, product quality improvement and other aspects.

We are also engaged in various spares and independent equipment for color coating line, galvanizing line, pickling line, like roller, coupler, heat exchanger, recuperator, air knife, blower, welder, tension leveler, skin pass, expansion joint, shear, jointer, stitcher, burner, radiant tube, gear motor, reducer, etc.

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 be used for treating emissions from paint booths?

Yes, regenerative thermal oxidizers (RTOs) can be effectively used for treating emissions from paint booths. Paint booths generate volatile organic compounds (VOCs) and hazardous air pollutants (HAPs) during the painting process, which need to be controlled to comply with environmental regulations and ensure air quality. Here are some key points regarding the use of RTOs for treating emissions from paint booths:

• Emission Control: RTOs are designed to achieve high destruction efficiencies for VOCs and HAPs. These pollutants are oxidized within the RTO at high temperatures, typically above 95% efficiency, converting them into carbon dioxide (CO₂) and water vapor. This ensures effective control and reduction of emissions from the paint booth.
• Paint Booth Compatibility: RTOs can be integrated into the exhaust system of paint booths, capturing and treating the emissions before they are released into the atmosphere. The RTO is typically connected to the exhaust stack of the paint booth, allowing the VOC-laden air to pass through the oxidizer for treatment.
• Thermal Capacity: Paint booth emissions can vary in terms of flow rate, temperature, and concentration of VOCs. RTOs are designed to handle a wide range of operating conditions and can accommodate high flow rates and elevated temperatures. The system’s thermal capacity ensures effective treatment of emissions from paint booths, even during peak production periods.
• Heat Recovery: RTOs incorporate heat exchange systems that allow for the recovery and reuse of thermal energy. The heat exchangers within the RTO capture the heat 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.
• Compliance with Regulations: Paint booth emissions are subject to regulatory requirements for air quality and emissions control. RTOs are capable of achieving the necessary destruction efficiencies and can help paint booth operators comply with environmental regulations. The use of RTOs demonstrates a commitment to sustainable practices and responsible management of air emissions.

It is important to note that the specific design and configuration of the RTO, as well as the characteristics of the paint booth emissions, should be considered when implementing an RTO for a paint booth application. Consulting with experienced engineers or RTO manufacturers can provide valuable insights into the proper sizing, integration, and performance requirements for treating emissions from paint booths.

In summary, RTOs are a suitable and effective technology for treating emissions from paint booths, providing high destruction efficiencies, compatibility with paint booth exhaust systems, thermal capacity for varying operating conditions, heat recovery, and compliance with environmental regulations.

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 2023-09-21