The cooling tower is a device that cools hot water by heat dissipation. Its working principle is as follows:
When hot water enters the cooling tower, it is first sprayed to the filling layer through. the upper spray device. The infill layer is usually made of several staggered layers of plastic or wire mesh. Its goal is to increase the contact area between water and air, so that the water can better exchange heat with the air. When water is sprayed from the spray device onto the filling layer, the water surface expands rapidly. At the same time, due to the presence of the filling layer, the air can better contact the water, thus achieving the goal. heat dissipation purpose.
After passing through the filling layer, the hot water will fall into the lower basin of the tocooling core, then will be pumped to the cooling equipment for continuous recycling. The air in contact with the water in the filling layer will be extracted by the fan at the top of the cooling tower, thereby realizing heat transfer and dissipation.
The heat dissipation effect of the cooling tower is related to the performance and working condition of the filling layer, fans, water pumps and other equipment. Therefore, regular maintenance and inspection are necessary to ensure its normal operation. heat dissipation effect.
The cooling tower of a thermal power plant is a device used to cool the heat generated during the electricity generation process. In thermal power plants, thermal energy is usually generated by burning fuels (such as coal, natural gas, etc.) and then energizing them.Thermal energy is converted into steam via a boiler to drive a turbogenerator to produce electricity. During this process, the combustion of the fuel will generate a large amount of heat, and the operation of the generator will also generate a large amount of heat, which must be dissipated through the cooling tower to maintain the normal operation of the equipment.
Specifically, the cooling tower of a thermal power plant mainly reduces the water temperature through water circulation and heat dissipation through evaporation, thereby dissipating heat. The water from the cooling tower will be transported to the top of the tower by the water pipe, then atomized into small water droplets through the nozzle and enter inside the tower with the airflow . Inside the tower, the water droplets are in full contact with the air, dissipating heat through evaporation, dissipating heat and the water temperature gradually drops. Through the wrapping layer inside the tower body, the contact area between water droplets and air is increased, thereby improving the heat dissipation effect. The cooled water returns to the pool, is pumped by the circulation pump, and then enters the tower body again for circulation cooling. Through this cycle process, the cooling tower can dissipate heat to ensure the normal operation of thermal power plant equipment.