Anti - icing technology and application of cooling tower in icing area

In the cold icing area, whether it is countercurrent or cross-flow tower, in the winter operation are common problems of serious icing. Which seriously affected the normal operation of the cooling tower, but also shorten the service life of the cooling tower and increase the tower operating costs. The problem has not been completely effective solution, domestic and international cooling tower professional workers have been exploring the subject. Because the counterflow tower has the advantages of good cooling effect, low energy consumption, low floor space and low cost, it basically occupies the dominant position of the market. In this paper, the anti-icing of counterflow tower is taken as the research object, and the causes of icing are analyzed and put forward Solution, the actual application of more successful, is now summarized for the design and manufacturers for reference. Cooling icing hazards ① tower structure damage, freeze-thaw damage concrete structure; ② easy to reduce the frozen life of the filler; ③ affect the amount of air to increase wind resistance, reduce heat transfer performance; ④ increase the daily maintenance workload, Personal safety. 2 cooling tower easy to ice parts ① tower wall and tower around the ice; ② air inlet beam icing; ③ filler area icing; ④ catchment and the water on the surface of the beam icing; ⑤ inlet column icing. 3 ice cause analysis of the cooling tower cooling and cooling tower thermal characteristics, the surrounding environment and the characteristics of water vapor flow within the tower, is one by one on the cooling tower of the ice parts of the analysis. Cooling tower wall and the surrounding environment icing observed from the scene, cooling tower wall icing is mainly due to the tower wall caused by leakage. Tower around the ice because: cold areas, winter is not running the fan, you can meet the needs of the production process. Hot water in the water when the powder when the energy exchange to reduce the water temperature, which is part of the water will fall along the tower wall, the edge of the water under the action of the wind, the water droplets do flat throw operation, falls outside the water tower inlet, Intake on both sides and around the ice.
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