China Best Sales Rto/Regenerative Thermal Oxidizer

Basic Info.

Model NO.

Amazing RTO

Type

Incinerator

High Efficiency

100

Energy Saving

100

Low Maintenance

100

Easy Operation

100

Trademark

Bjamazing

Transport Package

Overseas

Specification

111

Origin

China

HS Code

2221111

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

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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.

Are regenerative thermal oxidizers suitable for small-scale applications?

Regenerative thermal oxidizers (RTOs) are primarily designed for medium to large-scale industrial applications due to their specific characteristics and operational requirements. However, their suitability for small-scale applications depends on various factors:

• Process Exhaust Volume: The exhaust volume generated by the small-scale application plays a crucial role in determining the feasibility of using an RTO. RTOs are typically designed to handle high exhaust volumes, and if the exhaust volume from the small-scale application is too low, it may not be cost-effective or efficient to use an RTO.
• Capital and Operating Costs: RTOs can be expensive to purchase, install, and operate. The capital investment required for a small-scale application may not be justifiable when considering the relatively lower exhaust volumes and pollutant concentrations. Additionally, the operating costs, including energy consumption and maintenance, may outweigh the benefits for small-scale operations.
• Space Availability: RTOs require a significant amount of physical space for installation. Small-scale applications may have space limitations, making it challenging to accommodate the size and layout requirements of an RTO system.
• Regulatory Requirements: Small-scale applications may be subject to different regulatory requirements compared to larger industrial operations. The specific emission limits and air quality standards applicable to the small-scale application should be considered to ensure compliance. Alternative emission control technologies that are more suitable for small-scale applications, such as catalytic oxidizers or biofilters, may be available.
• Process Characteristics: The nature of the small-scale application’s exhaust stream, including the type and concentration of pollutants, can influence the choice of emission control technology. RTOs are most effective for applications with high concentrations of volatile organic compounds (VOCs) and hazardous air pollutants (HAPs). If the pollutant profile of the small-scale application is different, alternative technologies may be more appropriate.

While RTOs are generally more suitable for medium to large-scale applications, it’s important to assess the specific requirements, constraints, and cost-benefit analysis for each individual small-scale application before considering the use of an RTO. Alternative emission control technologies that are better suited for small-scale operations should also be evaluated.

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.

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 Dream 2024-10-08