Counterflow closed cooling tower

Countercurrent closed cooling tower, named due to the reversal of the direction of the refrigerant and heat medium, spray water is sprayed from up to down, and the air is swept from down to up at high speed. It is mainly composed of heat exchange coil, spray water system, air extraction system, and frame shell.

Key words:

Classification:

Counterflow closed cooling tower

Hotline:

Counterflow closed cooling tower

Summarize

Working Process

► Spray pump from the tank pumping water, pumped to the upper part of the heat exchanger coil, through the nozzle into an umbrella spray, continuous and uniform coverage on the outer surface of the pipe, forming a thin film of water, in which part of the water absorbs the heat in the pipe is cooled medium, liquid water into gaseous water vapor, evaporation of the heat away from the inside of the pipe cooled medium cooling or condensation to liquid, not evaporated spray water, back down to the spray water tank.

► air extraction system: tower top fan for suction type, from the tower to discharge outward, the tower outside the cold dry air from the inlet grille through the filter debris into the tower, from the bottom of the heat transfer coil upward flow, will have evaporated water vapor away, the air humidity and temperature increase, discharged by the fan out of the tower;

► Spray water tank, set float valve, water level is low, automatically replenish the supply to ensure that the tank a certain water level;

► electrical control, online detection of the cooling medium outlet temperature, feedback to the data processing center, according to the temperature of the cooling medium, automatic control of spray pumps and fans start and stop, to achieve the purpose of energy saving.

Counterflow closed cooling tower operation principle

► Internal circulation: the circulating water enters the table cooler after heat exchange and warming up by the heat source equipment, and carries out inter-wall heat exchange through the table cooler, and the cooled circulating water is then sent to the heat source equipment by the water pump.

► External Circulation: the spray water is sent to the spray system from the water tank, the water is sprayed out and contacted with the table cooler for evaporation and heat exchange, the wet steam is discharged through the fan, and the spray water which is not evaporated falls down to the water tank and then pumped to the spray system by the water pump to recirculate again.

Counterflow closed cooling tower features

► Compact structure: Counterflow tower compared to cross-flow form, the product structure is more compact, there are more coils heat dissipation area arrangement, more suitable for temperature difference is small, the flow of large cooling projects.

► Integral system: Because the cooling tower occupies less ground, together with the circulating water pump, it can be made into an integrated machine, which is convenient to move.

► Scope of use: Because the tower is compact, it can be placed in the workshop, so it is more suitable for the cooling of medium frequency power supply and the cooling of mechanical water jacket; it is especially suitable for the projects with small temperature difference, such as the cooling of water source heat pump unit group.

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Product Model and Parameters

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