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11 Jul,2024
How wide is the application range of closed cooling towers?
The complete set of closed cooling tower equipment consists of a main unit, water tank, circulating pump, and electrical control cabinet, among other components. Notably, the main unit itself includes parts such as the casing, heat exchanger, fan, spray pump, water collector, water trough, and pipeline gate valves. It’s safe to say that closed cooling towers can be found everywhere in our daily lives—and they’re also widely used across numerous industries. But exactly where can these versatile cooling towers be applied?
What should be noted when cleaning and maintaining a closed cooling tower?
It is understood that manufacturers of closed-circuit cooling towers reveal that the proper functioning of a cooling tower directly affects its operational efficiency. Over time, as closed-circuit cooling towers are used, various externally exposed components tend to accumulate scale—especially inside the system and around the water distribution piping. Regular cleaning of these critical areas is particularly important and should not be overlooked, as neglecting this maintenance could lead to minor issues escalating into major problems, ultimately disrupting the smooth operation of the cooling tower.
Closed-loop cooling tower antifreeze measures
1. A bypass water pipe is installed to carry most or all of the water normally used during winter operation. The bypass pipe is connected to the inlet pipe of the cooling tower and leads directly to the collection basin, where it mixes with the existing cold water already present in the basin. This process effectively regulates the basin water temperature, helping to raise it and thus preventing freezing. When introducing the bypass pipe system, it’s essential to start the circulating pump first upon unit startup, while slightly opening the valve on the standby pipeline—just enough to allow a small amount of circulating water to flow through the line without passing through the fill media for heat dissipation. Instead, this water bypasses the fill and flows directly into the collection basin, gradually warming both the pipeline and the basin water. The primary benefit of this approach is that it prevents circulating water—with either no heat load or very low heat load—from freezing as it passes through the fill media. By doing so, it safeguards the inactive cooling tower and its associated pipelines from frost damage. Similarly, when shutting down the unit, the steam turbine should be stopped before the circulating pump, again to avoid the same freezing issue described above. Moreover, adjusting the valve opening degree directly influences the amount of cooling tower circulation water entering the system, effectively serving as an indirect method for hot-water bypass regulation.
Closed cooling tower antifreeze knowledge
The importance of closed cooling tower antifreeze 1. Anti-freezing measures for occasions that are basically not used in winter. If the closed cooling tower does not need to be operated in winter, the spray water and internal circulating water must be emptied when shutting down. The internal circulating water is recommended to use compressed air for forced emptying, and the carbon steel pipe heat exchanger is not recommended to use emptying to prevent freezing.
What are the reasons that affect the cooling effect of the closed cooling tower?
The closed cooling tower reduces the waste of water resources and achieves the effect of energy saving and emission reduction. At the same time, the device also has many problems. For example, the cooling effect of closed cooling tower is not ideal, which is the problem we need to pay attention!
Precautions for Preventing Freeze Damage in Cross-Flow Closed Cooling Towers
Oasis Ice Peak: As winter approaches, we need to pay attention to freeze protection for our crossflow closed cooling towers! Our crossflow cooling towers are designed and selected based on the higher wet-bulb temperatures typical of summer conditions. However, during seasons when wet-bulb temperatures aren’t as high—especially in the cold winter months—their cooling capacity actually becomes excessive.