Condensation Module Unit

Condensation Module Unit

The condensation module unit is a highly integrated, skid-mounted system designed for VOC (Volatile Organic Compound) treatment. It employs deep condensation technology to liquefy and recover valuable components from waste gas, achieving the dual goals of resource reuse and regulatory compliance regarding emissions.

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The condensation module unit is a highly integrated, skid-mounted system designed for VOC (Volatile Organic Compound) treatment. It employs deep condensation technology to liquefy and recover valuable components from waste gas, achieving the dual goals of resource reuse and regulatory compliance regarding emissions.

 

Working Principle

 

The core of the module is multi-stage cascade refrigeration technology.

  • Multi-stage cooling: Upon entering the unit, the waste gas passes through multiple condensation stages with progressively lower temperatures. Typical temperature zones include 3°C → -40°C → -75°C → -115°C.
  • Phase-change recovery: Leveraging the principle that different substances exhibit varying saturated vapor pressures at different temperatures, the system cools the gas/vapor mixture to a supersaturated state. This causes components to condense from a gaseous to a liquid phase, allowing for separation and recovery.
  • Continuous operation: Any trace amounts of gas not fully condensed can be routed to downstream treatment units (such as adsorption systems) for further processing, ensuring the final exhaust meets emission standards.

 

Product Features and Advantages

 

  • Skid-mounted integration: The module features a skid-mounted design that integrates refrigeration, heat exchange, and control systems into a single unit. This facilitates easy transport and installation, as well as flexible combination with other processes (e.g., adsorption).
  • Dual-channel anti-icing: Certain models utilize a "switchable dual-channel" design featuring two sets of heat exchangers (one active, one standby). When frost accumulates on one set, the system automatically switches to the other while defrosting the frosted unit. This effectively resolves efficiency loss caused by frost buildup during prolonged continuous operation.
  • Intelligence and safety: The unit utilizes PLC-based fully automatic control and features explosion-proof capabilities for the entire system (e.g., Ex d mb ib IIB T4 rating). Equipped with multiple safety protections, the system ensures reliable and secure operation.
  • High flexibility and broad applicability: The module offers significant operational flexibility, supporting a 0–100% operating range and easily adapting to varying waste gas generation rates.

 

Key Technical Parameters (Reference Values)

 

Parameter

Typical Value / Range

Remarks

Processing Capacity

50 ~ 3000+ Nm³/h

Customizable based on project requirements

Condensation Temperature

-25°C ~ -110°C

Customizable based on exhaust gas composition

Temperature Gradient

e.g., 3°C → -40°C → -75°C → -115°C

Multi-stage gradient settings

Explosion-proof Rating

Ex d mb ib IIB T4

Suitable for flammable and explosive environments

Control Method

Fully automatic PLC control

Enables unattended operation

 

Application Scenarios

 

  • Petrochemicals and Oil Storage/Transport: Refining, terminal operations, and the storage, transport, and distribution of refined products for companies such as Sinopec and PetroChina.
  • Industrial Waste Gas Treatment: VOC emissions from industries such as packaging, printing, and spray painting.
  • Specialized Gas Recovery: Recovery and purification of vapors from refined products (e.g., gasoline, aviation kerosene) and oilfield wellhead gases.

 

Summary

 

The condensation module unit is a flexible, high-efficiency core component for VOC treatment. Its skid-mounted design and modular configuration allow for rapid deployment and integration into various waste gas treatment systems. Advanced modules-particularly those featuring dual-channel anti-icing technology-ensure reliable, stable, and continuous operation around the clock.

Please feel free to contact us if you require solutions tailored to specific processing capacities or particular types of waste gas.

 

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