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Thermal Oxidizer

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Thermal Oxidizer Specification

Connection
Standard flanged inlet/outlet connections; custom connections available.

Pressure
Designed to operate at atmospheric pressure; customized for slight positive pressure as required.

Accuracy
Destruction Removal Efficiency (DRE) up to 99.99%.

Function
Designed for the destruction of volatile organic compounds (VOCs), hazardous air pollutants (HAPs), and odorous emissions through high-temperature combustion.

Size
Standard models available range from 500 Nm3/hr to 50000 Nm3/hr; customized sizes on request.

Control System
PLC based automated control with SCADA integration, adjustable set points and alarms.

Temperature Range
Operation temperature from 800C to 1100C (1472F to 2012F).

Residence Time
Typical residence time of 0.5 to 2.0 seconds for complete combustion.

Burner System
High-efficiency, low-NOx burners with auto ignition and flame safety control.

Material of Construction
Fabricated from stainless steel grades SS304/SS316 or carbon steel with high-temperature coatings.

Maintenance Access
Designed with inspection doors and removable panels for easy servicing.

Thermal Efficiency
Heat recovery options available for increased thermal efficiency, exceeding 80% in recuperative models.

Compliance Standards
Meets EPA, CPCB, and international air pollution control regulations.

Fuel Type
Natural gas, LPG, diesel, or process off-gas supported.

Application
Suitable for chemical, pharmaceutical, petrochemical, paint, coating, and waste treatment industries.

About Thermal Oxidizer

Thermal Oxidizer

Thermal Oxidizers designed and manufactured by Combustion Research Associates act as emission and pollution control devices to curb industrial pollution in the form of dangerous hydrocarbons such as BTEXs, Sulphur & Volatile Organic Compounds (VOCs) and Hazardous Air Pollutants (HAPs).

Our Thermal Oxidisers (Incinerators) are capable of achieving very high (over 99%) Hydrocarbon Destruction and Removal Efficiency (DRE). We also offer heat recovery (Optional) Recuperative & Regenerative Thermal Oxidizer (RTO) systems that offer high thermal efficiency, in turn helping achieve low operating costs, energy consumption with fast payback on investments.

Systems from CRA use advance technologies for their active control system for effective and efficient functioning and a high turndown due to full automation. Advantages such as burning at ground level and smokeless and invisible flame make these afterburners perfect for gases such as Natural Gas, LPG, Biogas, Landfill gas, Producer Gas, Petrochemical, Syn gas, CBM gas, vapors or any other combustible gases.

Salient Features

Customized & project specific solutions
CDM compliant modular PLC/ Scada enabled systems
Easily containerized, transportable, pre-piped and prewired systems
Over 99% VOC destruction efficiency and elimination of odour concerns
Hidden Flame, low noise, fumes radiation to help meet strict environmental regulations
Gas trains are designed to meet FM Global or any international certifications such as CSA, EN, TSSA, CGA and ATEX.

Advanced Combustion Technology

The thermal oxidizer utilizes high-efficiency low-NOx burners equipped with auto ignition and comprehensive flame safety controls. This technology promotes complete combustion, achieving a residence time of 0.5 to 2.0 seconds and facilitating DRE up to 99.99%. Operators can manage set points and alarms via an intuitive PLC system integrated with SCADA, ensuring optimum performance and regulatory compliance.

Flexible Fuel Selection & Construction

With support for natural gas, LPG, diesel, or process off-gas as fuels, the thermal oxidizer adapts easily to site preferences and energy availability. The robust construction features stainless steel (SS304/SS316) or carbon steel frameworks with high-temperature coatings, guaranteeing long-term durability and resistance to harsh operational environments.

Optimized Efficiency & Maintenance

Thermal oxidizers are designed to maximize thermal efficiency, with recuperative models offering heat recovery options surpassing 80%. Maintenance is streamlined through strategically positioned inspection doors and removable panels, allowing swift and safe access to internal components for routine servicing and inspection.

FAQs of Thermal Oxidizer:

Q: How does a thermal oxidizer achieve high destruction removal efficiency (DRE)?

A: The thermal oxidizer achieves up to 99.99% DRE by operating at elevated temperatures between 800C and 1100C. This ensures complete combustion of VOCs, HAPs, and odorous emissions using high-efficiency, low-NOx burners and a carefully controlled residence time of 0.5 to 2.0 seconds.

Q: What types of fuels can be used with this thermal oxidizer?

A: This thermal oxidizer is compatible with multiple fuel sources, including natural gas, LPG, diesel, and process off-gas. The burner system adapts accordingly to support energy flexibility based on site availability and operating requirements.

Q: When should heat recovery options be considered in thermal oxidizer applications?

A: Heat recovery options are recommended when increasing overall thermal efficiency and reducing fuel consumption is a priority. Recuperative models can exceed 80% thermal efficiency, making them ideal for plants aiming to lower operational costs and improve sustainability.

Q: Where is this thermal oxidizer typically installed?

A: Thermal oxidizers are commonly installed in chemical, pharmaceutical, petrochemical, paint, coating, and waste treatment facilities. Their design and compliance with international regulations make them suitable for environments requiring reliable air pollution control.

Q: What maintenance features are provided for easy servicing?

A: The unit includes strategically placed inspection doors and removable panels. These design features provide convenient access for routine inspections, cleaning, and servicing, minimizing downtime and ensuring safe maintenance processes.

Q: How is the combustion process managed and monitored?

A: Combustion and system operation are fully automated through a PLC-based control system with SCADA interface. Operators can adjust set points, monitor alarms, and oversee performance for reliable regulatory compliance and process safety.

Q: What are the benefits of using a thermal oxidizer in industrial applications?

A: Industrial users benefit from significant air pollution reduction, regulatory compliance, and high operational efficiency. The thermal oxidizer effectively destroys pollutants, supports energy recovery, and offers customizable sizing to meet specific system demands.

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