What are the differences between closed cooling tower and open cooling tower and their actual effects?-Wuxi Ark Fluid Technology Co., Ltd

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What are the differences between closed cooling tower and open cooling tower and their actual effects?

Release time：

2022-11-30

Difference between closed cooling tower and open cooling tower
The basic principle of open cooling tower is to spray cooling circulating water on the fiberglass package in the form of spray. The heat exchanger can be completed according to the touch of water and gas, and then there is a cyclone circulation system of the centrifugal fan drive tower body to discharge the warm air behind the heat exchanger, thus completing the cooling. This cooling scheme has less investment in the early stage, but its operating cost is high (water and electricity consumption). The basic cooling principle of closed cooling tower is simple closed automobile circulating cooling tower and closed circulating cooling tower. The air conditioner copper tube cooler is a key component, without filling materials.
1. Closed test car circulation system FRP cooling tower: connect all overall target machines and equipment, produce and manufacture closed circuit system (raw material of respiratory system is softened water), refrigerate all overall target machines and equipment, and send the heat output of all overall target machines and equipment to the refrigeration equipment.
2. Closed external circulation cooling tower: inside the cooling tower, it is used for cooling the cooling tower itself, without touching the internal cooling circulating water, but only according to the air conditioning copper tube surface cooler in the cooling tower, the heat exchanger and heat pipe are used for heat dissipation. In the actual operation of such cooling, the diesel engine automatically controls the system according to the temperature. Be sure to operate two additional circulation systems. If the working temperature in early spring and summer is high, the working temperature in autumn and winter is not high. In most cases, only the internal circulation system is necessary.
The closed cooling tower is also called closed cooling tower or closed cooling tower. The closed cooling tower comes from the volatile cooler, but in fact it is a heat exchanger integrating the kinetic energy of the drainage cooler and the basic cooling tower. It is also a heat exchanger between the water cooler and the gas cooler, so some manufacturers call it "volatile cooler". At present, such coolers have various forms. The common feature between them is the self spraying and forced natural ventilation wall heat exchanger. The heat of the heat exchanger is cooled from the wall to the self spraying outside the wall, and then enters the gas according to the self spraying and gas. The closed loop system between wall heat exchanger and external technology is different from that between wall heat exchanger and external technology.
What is the difference between closed cooling tower and open cooling tower?
Simply put, the closed cooling tower makes the cooling circulating water free from external environmental pollution, but the price is high. The cooling circulating water of the open cooling tower is exposed to the outside for a long time, endangering the water body, but the price is low
Stainless steel tank is built in the closed cooling tower; The open cooling tower has no stainless steel tank body and bottom.
The water pump head used for closed cooling tower is much smaller, and the water pump head (about)=water moisture level difference between the inlet and outlet+friction resistance damage
Open cooling tower water pump head (approximately)=reservoir water level and water level instrument difference=friction resistance damage.
The open and closed type can be selected separately in many cases Relatively, the open water body is better, and the area is larger (reservoir). The project investment is larger (centrifugal pump and electric power engineering); Closed type small investment, small floor area, water body is very vulnerable
The key objective of the experimental scientific research on the pneumatic characteristics of the glass fiber reinforced plastic cooling tower for household central air-conditioning is to find the calculation method of the friction resistance of the air inlet, the electromagnetic coil of the refrigeration centrifugal fan, the watering machine equipment, the clapboard and the centrifugal fan.

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