Counter-flow Evaporative Condenser

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Description
The counter-flow evaporative condenser uses both water and air as cooling media to remove heat from the high-temperature gaseous refrigerant inside the condenser coils, rapidly condensing it into a liquid through direct evaporative cooling and forced-air heat exchange. The unit incorporates an internal spray water system, elliptical condenser coils, and drift eliminators, supported externally by a circulating water pump, axial-flow fan, and an optional electronic descaling unit for improved long-term reliability. During operation, hot refrigerant enters from the upper end of the coil bundle. The axial-flow fan creates a stable negative-pressure chamber, allowing spray water to evenly cover the coil surfaces for efficient heat transfer. As condensation occurs, liquid refrigerant exits from the lower coil outlet. Water and air absorb the released heat; part of the water evaporates and carries away latent heat, with vapor discharged by the fan. The remaining water returns to the sump and is recirculated through the spray system. Evaporated water is automatically replenished via the sump float valve, ensuring continuous and stable system operation.
Features
  • Exceptional Thermal Performance

    Compact elliptical condenser coils reduce airflow resistance and, under the axial fan’s airflow, deliver high heat-transfer efficiency. The design prevents dry spots and scaling, ensuring stable long-term thermal performance.

  • Optimized for Transportation & Installation

    A split-section structural design simplifies transportation and on-site assembly, improving handling efficiency and installation flexibility.

  • Enhanced Maintenance Accessibility

    For ease of servicing, the unit incorporates oversized access doors, service passages, and fixed ladders. The sump integrates a float-ball assembly and stainless-steel strainers, allowing routine cleaning and inspection without shutting down the system.

  • Low Operating Cost with Energy Efficiency

    The counter-flow water–air configuration enhances heat-exchange efficiency and lowers condensing temperatures, significantly reducing water and power consumption. Its optimized airflow supports quiet operation and minimizes long-term maintenance costs, delivering both environmental and economic benefits.

Specifications
  • Nominal Heat Rejection Capacity
    230~4580 kW
  • Operating Airflow Rate
    25000~375000 m³/h
  • Total Fan Power Input
    2.2~33 kw
  • Spray Water Flow Rate
    28~466 m³/h
  • Total Pump Power Input
    0.75~11
  • Design Make-up Water Requirement
    1.18~22.96 m³/h
  • Coil Volume
    313.96~6113.98 L
  • Pump Power Input
    0.75~11 kW
  • Fan Power Input
    2.2~33 kW
  • Net Weight
    1350~14500
  • Operating Weight
    2729.7~33377.3

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