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[Chemical Knowledge]：Power plant cooling tower works, everything you need to know

Read： 397 Time：13months ago Source：Transform the World with Simplicity

Power plant cooling tower, as the name implies, it is to let the power plant generators, boilers and other equipment cooling. Under normal circumstances, these devices will generate a lot of heat. If the heat cannot be discharged in time, it will have a great impact on the equipment and even cause damage. The existence of cooling towers in power plants is to help the equipment "cool down" so that it can operate within a certain temperature range.

So, how does the cooling tower of the power plant ensure the cooling of the equipment? The principle is very simple, that is, through water circulation, heat exchange, evaporation and other technical means to achieve. Specifically, the working process of the power plant cooling tower is divided into two parts: heat transfer and mass transfer. When the

water passes through the tower body, the water is sprayed from the bottom of the tower to the top of the tower by using the drainage pressure of the water outlet at the bottom of the tower body. During the spraying process, the water will exchange heat with the air to absorb the heat generated by the equipment, and then the water will be sprayed from the nozzle at the top of the tower to form a water curtain to further cool the air.

In this process, the contact area between water and air is also very important. In order to increase the contact area between water and air, some fillers are usually arranged inside the cooling tower, so that the cooling water can be dispersed into multiple films, increasing the contact area with air, thereby increasing the efficiency of heat exchange.

Then, the air close to time in the tower will form convection due to the evaporation of water. In fact, it is through the water from the bottom of the tower into the tower, in the process of rising evaporation, continue to produce the effect of temperature drop.

Through this working principle, the cooling tower of the power plant can effectively release the heat generated, so that the equipment is always within the normal temperature range. At the same time, due to the existence of water circulation, heat exchange and other links, it also ensures the efficient use of energy.

power plant cooling tower is a vital part of the power station, it can bring the appropriate working temperature for the equipment to ensure the normal operation of the power station. If we understand the working principle of the cooling tower, we can better understand the operation principle, which is conducive to better control and management of the entire power station.

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