RTO with a Rotary Valve – Oxi.X RL

RTO with a Rotary Valve – Oxi.X RL

The Oxi.X RL is a unique air pollution control system with a rotary distributor valve. This regenerative thermal oxidizer is capable of eliminating more than 99% of Volatile Organic Compounds (VOCs), Hazardous Air Pollutants (HAPs), and odors that emit from the exhaust gas. The Oxi.X RL depends on the thermal process for its functionality.

Working Principle of Oxi.X RL

The Oxi.X RL comes equipped with 12 separate ceramic heat exchanger beds stacked radially over a proprietary distributor valve. The beds in this air pollution control system are pre-heated before the contaminants enter the system. The incoming contaminated air enters the media bed via the system’s base and is further drawn up through five of the beds.

As the air enters the system, it is heated continuously, due to which it rises to the top of the system and enters the combustion chamber. Here the burner provides the air with additional energy required to complete the oxidation process. The pollutants present inside the exhaust air are oxidized, leaving behind CO2 and H2O as the by-products of the process. Hot, clean exhaust gas is then drawn downwards through the 5 adjacent ceramic beds. Here the thermal energy is transferred to the blocks before the clean air is released into the atmosphere.

The rest 2 spare beds in the air pollution control system help prevent the cross-contamination between the inlet and the outlet sections and ensure the high efficiency of the Oxi.X RL unit. Up to 95% of the energy required to carry out the oxidation process is recovered internally. This keeps the fuel consumption by the burner to a minimum.

How is Oxi.X RL made?

The Oxi.X RL air pollution control system is available in multiple sizes. Its compact and standardized size helps create a unique airflow through a rotating distributor in a single container. This system comes with 12 different ceramic heat exchanger beds arranged radially above a rotary distributor valve. The Oxi.X RL is equipped with a state-of-the-art burner control system consisting of a burner and a patented rotor. This air pollution control system is pre-assembled on transport frames and shipped in sections to keep the installation time and cost minimum.

Advantages of using Oxi.X RL RTO over other RTOs

The Oxi.X RL RTO is one of the most compact systems of its kind in the market. It consists of a unique rotary valve system and radial ceramic heat exchanger beds. The unit comes pre-fabricated and assembled from the factory. This allows it to be shipped, installed, and commissioned in a very short period. It can run without hydraulic or pneumatic dampers, actuators, and limit switches. This is because it comes equipped with an electrical distributor valve. Hence, it helps reduce the complexity of the air pollution control system, providing a significant reduction in the maintenance requirements for the system. Every Oxi.X RL RTO comes equipped with an air-conditioned control room. This room houses the main control panel and the frequency converter required by the system. As a result, most of the wires can be easily pre-installed, and even the systems are tested before they are ready to leave the factory.

Advantages of using an Oxi.X RL RTO –

  • Easy installation
  • Small – compact design
  • Low Maintenance
  • Less operating expenditure
  • No hydraulic or pneumatic valve needed

Where can Oxi.X RL be used?

The Oxi.X RL system can be used in a wide variety of industries, such as – chemical, pharmaceutical, petrochemical, carbon fiber, food, and waste treatment/recycling, to name a few.

Technical Specifications of Oxi.X RL

Dürr Oxi.X RL RTO air pollution control systems are available in multiple pre-fabricated sizes, which can help treat the exhaust gas with a flow between 6000 Nm3/h to 126,000 Nm3/h. It can also treat an exhaust with a pollutant concentration level between < 1 g/Nm3 to 10 g/Nm or up to 25% LEL (Lower Explosive Limit). This particular RTO offers anefficiency level of more than 99% and can easily remove the following pollutants from the exhaust gas in industrial processes –

–         Aliphatic and aromatic hydrocarbons

–         Hazardous air pollutants (HAPs)

–         Odors

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