Thermal Recuperative Oxidizer - Thermal Recovery Systems

Thermal Recuperative Oxidizer

Thermal Recuperative Oxidizers (TO’s) from The CMM Group destroy air pollutants emitted from process exhaust streams at temperatures ranging from 760°C (1,400 F) to 815°C (1,500 F). Thermal Recuperative Oxidizer’s utilize a multi-pass shell-and-tube type heat exchanger, which is fabricated of heavy-duty stainless steel. Oxidation is achieved as pollutants pass through the combustion chamber, are mixed and held at elevated temperatures in the combustion chamber.

The basic design concept of thermal oxidation is to promote a chemical reaction of the air pollutant with oxygen at elevated temperatures. This reaction destroys the VOC emission in the air stream by converting it to CO2, H2O and heat. The rate of reaction is controlled by the factors of time, temperature and turbulence.

Common uses include:

  • Adhesive coating
  • Chemical processing
  • Converting web dryers
  • Heat-set printing
  • Metal decorating
  • Pharmaceutical
  • Textile manufacturing
  • Many others…

  • 4,250 to 51,000+ NCMH
  • (2,500 to 30,000+ SCFM)
  • (2,500 to 30,000+ SCFM)
  • Suited for air streams with moderate to high levels of air pollutant

Advantages:

  • Moderate capital cost
  • Low operating costs with moderate to high air pollutant concentrations
  • Ease of operation
  • Ease of install

Disadvantages:

  • High operating costs with low air pollutant concentrations
  • Shell-and-tube heat exchanger has long life
    expectancy only with continuous operation
  • High air pollutant destruction efficiencies are guaranteed
  • Lowest operating costs available with energy efficient thermal oxidizer design
  • Designed to meet your specific project requirements
  • Proven high quality components are used throughout
  • Control scheme is designed to automatically react to your manufacturing process
  • Modern PLC based controls with color touch-screen interface
  • Data-logger is included for recordkeeping
  • Meets or exceeds all regulations

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How Does a Regenerative Thermal Oxidizer Work?

In operation, the process exhaust fumes are forced into the recuperative oxidizer inlet manifold (with a high pressure supply fan) and directed into the cold (tube) side of a high efficiency, stainless steel, multi-pass shell-and-tube type heat exchanger. The pollutant laden air passes through the combustion chamber, is thoroughly mixed for temperature uniformity (turbulence) and held at the elevated set-point temperature (temperature) for a residence time of 0.5 to 1.0 seconds (time). VOC/HAP emission control takes place within the combustion chamber where auxiliary fuel is introduced if necessary.

A Highly Effective VOC Abatement System

After passing through the combustion chamber, the clean (hot) air is routed back through the hot (shell) side of the heat exchanger where it continuously preheats the incoming air. Upon exiting the heat exchanger, the clean (cooled) air is routed through an exhaust chamber and ultimately through the exhaust stack. Heat exchangers for use in standard thermal recuperative units are typically fabricated from heavy duty stainless steel. Thermal efficiencies range from 40% to 80% with expansion joints as required. To maintain low external shell temperatures and minimize radiant heat loss, the unit is internally insulated with long-life ceramic fiber modules. The external shell is made of carbon steel. Air pollutant destruction efficiencies of 99%+ can typically be guaranteed.

VOC Recovery Systems: Request a Quote

Contact The CMM Group with questions or request a quote below and let us know how we can assist you or provide more information on our VOC destruction systems.

REQUEST A QUOTE The CMM Group - Thermal Oxidizer Manufacturer

What CMM Customers Say

“The hard work and dedication your team made this project a great success. I greatly appreciate that the installation went exactly as planned both time and budget wise, and that we were back in production with minimal disruption as promised. Additionally the efficiencies and energy savings have proven to be accurate and genuine.”
-Satisfied customer,
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