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Box-type Regenerative Thermal Oxidizer
Our Box-Type Regenerative Thermal Oxidizer (Box-Type RTO) is a high-efficiency, energy-saving, and safe environmental protection equipment specially designed for the treatment of volatile organic compounds (VOCs) and odorous gases in industrial production. It integrates advanced thermal oxidation technology and high-efficiency heat recovery technology, which can thoroughly decompose VOCs into harmless carbon dioxide (CO₂) and water (H₂O), achieving stable compliance with global strict environmental emission standards such as EU, US EPA, and other regional regulations.
Product Description
Our Box-Type Regenerative Thermal Oxidizer (Box-Type RTO) is a high-efficiency, energy-saving, and safe environmental protection equipment specially designed for the treatment of volatile organic compounds (VOCs) and odorous gases in industrial production. It integrates advanced thermal oxidation technology and high-efficiency heat recovery technology, which can thoroughly decompose VOCs into harmless carbon dioxide (CO₂) and water (H₂O), achieving stable compliance with global strict environmental emission standards such as EU, US EPA, and other regional regulations.
Core Working Principle
The Box-Type RTO adopts a modular box structure, mainly composed of a combustion chamber, multiple regenerative chambers filled with Heat storage ceramic media, and a switching valve system. Its working process is divided into three cyclic stages, realizing continuous and efficient treatment:
1.Heat Storage Stage: The high-temperature flue gas after VOCs oxidation passes through the regenerative chamber, transferring a large amount of heat to the ceramic Thermal media, which is stored for later use. The cooled flue gas is discharged through the exhaust port.
2.VOCs Oxidation Stage: The low-concentration, large-airflow VOCs exhaust gas enters the preheated regenerative chamber, absorbs the heat stored in the ceramic media, and is preheated to the oxidation temperature (760–950℃). Then it enters the combustion chamber, where it is completely oxidized and decomposed under the action of an auxiliary fuel (if needed).
3.Switching Stage: The switching valve switches automatically, changing the direction of gas flow, so that each regenerative chamber alternates between heat storage and heat release, ensuring continuous operation of the equipment and maximum utilization of waste heat.
Core Working Principle
The Box-Type RTO adopts a modular box structure, mainly composed of a combustion chamber, multiple regenerative chambers filled with Heat storage ceramic media, and a switching valve system. Its working process is divided into three cyclic stages, realizing continuous and efficient treatment:
1.Heat Storage Stage: The high-temperature flue gas after VOCs oxidation passes through the regenerative chamber, transferring a large amount of heat to the ceramic Thermal media, which is stored for later use. The cooled flue gas is discharged through the exhaust port.
2.VOCs Oxidation Stage: The low-concentration, large-airflow VOCs exhaust gas enters the preheated regenerative chamber, absorbs the heat stored in the ceramic media, and is preheated to the oxidation temperature (760–950℃). Then it enters the combustion chamber, where it is completely oxidized and decomposed under the action of an auxiliary fuel (if needed).
3.Switching Stage: The switching valve switches automatically, changing the direction of gas flow, so that each regenerative chamber alternates between heat storage and heat release, ensuring continuous operation of the equipment and maximum utilization of waste heat.
Product Feature
1.Ultra-High Purification Efficiency: VOCs removal rate reaches ≥99%, which can effectively treat various complex components of VOCs (such as ketones, esters, aromatics, alkanes, etc.), ensuring that the outlet emissions are far lower than the global environmental standards.
2.Excellent Energy Saving Performance: Equipped with high-density Heat storage ceramic media, the heat recovery efficiency is as high as 95% or more. The recovered waste heat can be reused for production heating, drying, or preheating of inlet gas, greatly reducing auxiliary fuel consumption and operating costs.
3.Stable & Safe Operation: The box-type structure is sturdy and durable, with multiple safety protection systems (explosion relief device, flame arrester, LEL monitoring, over-temperature alarm, automatic flameout protection, etc.), effectively preventing risks such as deflagration, backfire, and over-temperature, and adapting to high-risk industrial scenarios.
4.Compact Modular Design: The modular box structure is small in floor space, easy to install and expand. It can be prefabricated in the factory and quickly assembled on site, shortening the construction and commissioning cycle, especially suitable for old factory renovation and limited space projects.
5.Low Maintenance Cost: The Heat storage ceramic media has a long service life (≥15 years), and the switching valve and other key components adopt wear-resistant and high-temperature resistant materials, with low failure rate and simple daily maintenance, reducing the later operation and maintenance costs for customers.
6.Zero Secondary Pollution: The VOCs are completely oxidized into CO₂ and H₂O, without producing wastewater, sludge, or harmful by-products, and there is no secondary pollution to the environment.
7.Strong Adaptability: It can adapt to large fluctuations in VOCs concentration (100–10000 mg/m³) and air volume, and can stably operate under high humidity, high dust, and high-corrosion working conditions.
8.Intelligent Automatic Control: Equipped with PLC intelligent control system, it can realize automatic ignition, automatic temperature adjustment, automatic switching, remote monitoring, and fault alarm, realizing 24-hour unattended operation and reducing manual management costs.
9.Global Compliance: The design fully complies with international environmental standards and industry norms, and can provide customized solutions according to the environmental emission requirements of different countries and regions, helping customers smoothly pass environmental inspections.
Typical Applications
Our Box-Type RTO is widely used in various industrial fields that generate VOCs exhaust gas, including but not limited to:
• Chemical industry (fine chemicals, petrochemicals, intermediates)
• Coating and painting industry (automotive parts, furniture, hardware, plastic products)
• Printing and packaging industry (gravure printing, flexo printing, laminating)
• Pharmaceutical and biopharmaceutical industry (API production, solvent recovery)
• Electronics industry (semiconductors, lithium batteries, PCB manufacturing)
• Rubber and plastic industry (plastic processing, rubber vulcanization)
• Wood processing and furniture industry (paint spraying, adhesive volatilization)
• Industrial parks and centralized waste gas treatment projects
Why Choose Our Box-Type RTO?
As a professional manufacturer of industrial waste gas treatment equipment, we focus on the R&D, production, and customization of Box-Type RTO. We have rich engineering experience and mature technical solutions, which can provide customers with one-stop services from scheme design, equipment manufacturing, on-site installation, to after-sales maintenance. Our products are exported to dozens of countries and regions around the world, and have won wide recognition from customers for their stable performance, energy saving, and environmental protection. Choosing our Box-Type RTO is your reliable guarantee for achieving environmental compliance and reducing operating costs.
2.Excellent Energy Saving Performance: Equipped with high-density Heat storage ceramic media, the heat recovery efficiency is as high as 95% or more. The recovered waste heat can be reused for production heating, drying, or preheating of inlet gas, greatly reducing auxiliary fuel consumption and operating costs.
3.Stable & Safe Operation: The box-type structure is sturdy and durable, with multiple safety protection systems (explosion relief device, flame arrester, LEL monitoring, over-temperature alarm, automatic flameout protection, etc.), effectively preventing risks such as deflagration, backfire, and over-temperature, and adapting to high-risk industrial scenarios.
4.Compact Modular Design: The modular box structure is small in floor space, easy to install and expand. It can be prefabricated in the factory and quickly assembled on site, shortening the construction and commissioning cycle, especially suitable for old factory renovation and limited space projects.
5.Low Maintenance Cost: The Heat storage ceramic media has a long service life (≥15 years), and the switching valve and other key components adopt wear-resistant and high-temperature resistant materials, with low failure rate and simple daily maintenance, reducing the later operation and maintenance costs for customers.
6.Zero Secondary Pollution: The VOCs are completely oxidized into CO₂ and H₂O, without producing wastewater, sludge, or harmful by-products, and there is no secondary pollution to the environment.
7.Strong Adaptability: It can adapt to large fluctuations in VOCs concentration (100–10000 mg/m³) and air volume, and can stably operate under high humidity, high dust, and high-corrosion working conditions.
8.Intelligent Automatic Control: Equipped with PLC intelligent control system, it can realize automatic ignition, automatic temperature adjustment, automatic switching, remote monitoring, and fault alarm, realizing 24-hour unattended operation and reducing manual management costs.
9.Global Compliance: The design fully complies with international environmental standards and industry norms, and can provide customized solutions according to the environmental emission requirements of different countries and regions, helping customers smoothly pass environmental inspections.
Typical Applications
Our Box-Type RTO is widely used in various industrial fields that generate VOCs exhaust gas, including but not limited to:
• Chemical industry (fine chemicals, petrochemicals, intermediates)
• Coating and painting industry (automotive parts, furniture, hardware, plastic products)
• Printing and packaging industry (gravure printing, flexo printing, laminating)
• Pharmaceutical and biopharmaceutical industry (API production, solvent recovery)
• Electronics industry (semiconductors, lithium batteries, PCB manufacturing)
• Rubber and plastic industry (plastic processing, rubber vulcanization)
• Wood processing and furniture industry (paint spraying, adhesive volatilization)
• Industrial parks and centralized waste gas treatment projects
Why Choose Our Box-Type RTO?
As a professional manufacturer of industrial waste gas treatment equipment, we focus on the R&D, production, and customization of Box-Type RTO. We have rich engineering experience and mature technical solutions, which can provide customers with one-stop services from scheme design, equipment manufacturing, on-site installation, to after-sales maintenance. Our products are exported to dozens of countries and regions around the world, and have won wide recognition from customers for their stable performance, energy saving, and environmental protection. Choosing our Box-Type RTO is your reliable guarantee for achieving environmental compliance and reducing operating costs.
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