Pulished on Oct. 22, 2018
----- Cooling tower piping method -----
A. General considerations
· Installation direction and placement essentials
1. Pay attention to piping.
2. When placed, it should be laid flat to avoid uneven water and affect the cooling effect.As shown in the figure.
3. The base screw should be tight.
· Piping
1. The circulating water inlet and outlet pipe should be downwards, and should not be higher than the lower water pipe.
2. The size of the piping should be attached to the size of the pipe at the bottom of the tower.。Otherwise, too small will affect the effect, too much will waste material.
3. The circulating water pump should be lower than the water level of the sink.As picture show
4. When two cooling towers share a water pump, the water tank must be equipped with a connecting pipe to make the cooling tower have the same water level .As picture show
5. Vibration-proof hoses (high-pressure rubber pipes, etc.) should be used at the inlet and outlet nozzles of circulating water above 4 inches (10 cm) to prevent vibration of the tower body caused by the vibration of the pipes, and to avoid the loss of flume rupture caused by incorrect piping arrangement.
B.Special piping essentials
· Cooling tower piping is divided into the following ways according to its position:
1.Cooling tower location is higher than heat exchanger (or condenser)一一Common piping method.
Matters needing attention |
2. The cooling tower is at the same height as the main unit, but the water level in the sink is higher than the heat exchanger.
| Matters needing attention |
3. Cooling tower location is lower than heat exchanger (or condenser)一一Replenishment tanks must be installed.
Matters needing attention c.In order to reduce the consumption of make-up water, a reverse-pressure valve must be installed at the outlet of the circulating water pump. |
4. Cooling tower for high temperature conditions─Temperature exceeds 46 ° C.
4-1 Use 2 circulating water pumps, another mixing pool
Matters needing attention accordance with standard methods. be properly adjusted.
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4-2 Use 1 circulating water pump, no mixing pool
5. In order to cope with future needs, a larger cooling tower is selected.
| Matters needing attention the flow. at the maximum flow rate.
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6.When the cooling tower temperature difference is large, the circulating water volume is small.
C.Other matters
1.When the installation is completed, check whether there are tools or other unwanted objects placed in the tower or exhaust fan.
2.Pay attention to whether there is water leakage in the piping or sink.
3.When the water supply source is lower than the cooling tower, or the water pressure is insufficient, the water pump or the higher supply tank must be installed for refilling.
4.The most suitable place to install a cooling tower is a roof and a place with good air circulation.
5.Avoid being placed in soot and dusty places.
6.Not suitable for installation in places with corrosive gases, such as chimneys, hot spring areas.
7.Keep away from hot places such as boiler rooms and kitchens.
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