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盐水机组:冷却塔的工作原理

信息来源: http://www.hqldsb.com  时间:2017-2-28 11:16:54 

冷却塔是凭借空气使水得到冷却的专用设备,一般安装在高楼的顶部。但冷却塔只能将温度控制在环境温度,对冷水温度请求高的工厂,都是用冷水机来降温,而盐水机组系列,就需要配冷却塔来供给循环冷却水。
The cooling tower is a special equipment for cooling water by air. But the cooling tower can only control the temperature at ambient temperature, the water temperature is high request of the factory, machine with cold water to cool down, and saline water machine series, you need to supply with cooling tower of circulating cooling water.
另外在电力、化工等很多职业中,从冷凝器等设备中排出的热的冷却水,都是通过冷却塔冷却后循环运用的。特别是盐水机组制冷系统中的壳管式冷凝器等需要很多的冷却水,所以冷却塔是必不可少的。
In addition, in many industries, such as power, chemical and other industries, from condenser and other equipment in the discharge of hot water cooling, cooling tower cooling cycle. In particular, the shell and tube condenser in the refrigeration system of brine unit needs a lot of cooling water.
冷却塔的冷却原理有两个方面:一方面是凭借部分水在冷却塔中蒸腾式吸收蒸腾潜热而使水降温,另一方面是当水温高于空气温度时,运用触摸导热使水降温。明显,水在空气中的蒸腾时间都在进行,而且不受地理位置约束。而触摸导热只能在气温较低时进行,在盛夏高温时气温有也许高于水温而使水无法直接冷却。
The cooling principle of cooling tower has two aspects: one is with part of the water in the cooling tower and the latent heat absorption type transpiration transpiration water cooling, on the other hand, when the water temperature is higher than the air temperature, the cooling water heat touch. Obviously, the transpiration time of water in the air is carried out, and it is not restricted by geographical location. The touch heat conduction can only be carried out when the temperature is low, the temperature may be higher than the water temperature in summer high temperatures and water can not be directly cooled.
为了促进水在冷却塔中有效冷却,冷却水通常被喷洒成点滴、薄膜或许点滴加薄膜的混合方式。空气也常常被风机加速并以逆流、横流等方式穿过冷却水去,以带走尽也许多的热量。
In order to promote the effective cooling of the water in the cooling tower, cooling water is usually sprayed into a mixture of drip, film, or a bit of film. The air is often accelerated by the fan and passes through the cooling water in a counter current, cross flow, and so on.
尽管冷却塔在盛夏期间无法将温度降到用户所需的温度,但是假如配套盐水机组一起运用,则能够将温度控制在3~35℃之间,或许达到零下的温度。对温度请求不高的用户,则能够在冬天时关掉盐水机组,只需敞开冷却塔即可降温至所需温度。
Although the cooling tower in the summer period can not be reduced to the temperature required by the user, but if the use of supporting the use of salt water units, the temperature can be controlled at 3 to 35 degrees C, perhaps below zero temperature. For users with low temperature requirements, it is possible to turn off the brine unit in the winter, just open the cooling tower to cool down to the desired temperature.

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