Technological ways to solve the problem of cooling at power plants. OBZhD

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Technological ways to solve the problem of cooling at power plants. Basics of safe life

Fundamentals of Safe Life Activities (OBZhD)

Instead of using water from natural reservoirs as a coolant, the existing method of evaporation or cooling towers can be used to solve this problem without harming the environment. The power plant does not release the heated water into the river, but pumps it into the lower part of a 90-150-meter sloping cooling tower.

Heated water from the pipes is sprayed onto the water trap and cooled, flowing down through a series of partitions and slats. The temperature and atmospheric differences created by the heated water cause an influx of air, which is sucked in from below, passes between the slats and baffles, and exits through the top opening of the tower. Water accumulates in a pool under the bottom of the tower and returns to the condenser again. An insignificant part of the water - about 2,8-4,0% - is lost during evaporation.

Another type of cooling tower is the evaporative circulation dry column. It uses air-cooling batteries through which, by means of natural draft or mechanical fans driven by the station itself, large volumes of air pass. There are no losses of water for evaporation in the operation of such a column.

When using cooling towers, thermal pollution of the environment is completely excluded, but this environmental protection measure requires certain material costs.

Authors: Aizman R.I., Krivoshchekov S.G.

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