Dry-Wet Combined Closed Cooling Tower

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dry-wet combined closed cooling tower

The dry-wet combined closed cooling tower is a highly efficient cooling equipment that combines the advantages of dry and wet cooling. It adopts a closed design, and the cooling medium is isolated from the external environment to prevent water pollution and scaling problems, and extend the service life. The cooling tower uses dry cooling in a low humidity environment to transfer heat to the surrounding air through air flow; in a high temperature and high humidity environment, it uses wet cooling to use the evaporation of water to take away heat. The combined design enables it to automatically switch working modes according to the external climate to ensure high efficiency and energy saving. The equipment is widely used in power generation, chemical industry, air conditioning and food processing, and is flexible to operate and simple to maintain. With its high efficiency and environmental protection characteristics, the dry-wet combined closed cooling tower meets the diverse needs of modern industry for cooling systems.

principle

Dry cooling: In dry cooling mode, cooling water flows through a closed heat exchanger (such as a spiral tube or plate heat exchanger), and the hot water exchanges heat with the air passing through the cooling tower. The air flows under the action of the fan, taking away the heat from the water. Dry cooling is suitable for low humidity environments and has a high heat exchange efficiency.

Wet cooling: In wet cooling mode, cooling water is sprayed on the filler or cooling plate and is in direct contact with the air. The water evaporates during contact with the air, thereby taking away heat and reducing the water temperature. Wet cooling is suitable for use in high temperature and high humidity environments, and can significantly improve the cooling effect.

Combined switching: The dry-wet combined closed cooling tower has an automatic switching function, which intelligently adjusts the working mode according to the changes in external temperature and humidity to adapt to different environmental conditions. This flexibility enables it to maintain efficient operation in various climatic conditions.

Structural features

Closed design: The cooling medium in the cooling tower is isolated from the external environment, avoiding water pollution and scaling problems, and extending the service life of the equipment.

Heat exchanger: Usually equipped with high-efficiency heat exchangers, such as spiral tubes or plate heat exchangers, to improve heat exchange efficiency.

Fan and water pump: Use high-efficiency fans and water pumps to ensure the stability of air flow and water circulation.