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Common knowledge of the type, installation and use of shell and tube condenser
- Dec 06, 2018 -

Shell and tube condenser is a kind of heat exchanger commonly used in chillers. It is usually a closed water-cooling consisting of a casing, a tube sheet, a heat transfer tube bundle, a cooling water distribution part, a cooling water and a refrigerant inlet and outlet pipe joint.  According to the spatial orientation of the housing and the heat transfer tube bundle, the shell and tube condenser can be divided into vertical and horizontal types. However, no matter which type, the cooling water is the pipe, and the refrigerant is the shell, that is, the high-temperature, high-pressure refrigerant vapor cools, condenses and converges on the outer surface of the heat transfer tube.

The shell and tube condenser is an indispensable key component in the air conditioning and refrigeration system. The installation position of the condenser also directly affects the service life and cooling effect of the air conditioning equipment. In general, the distance between the condenser and the indoor unit is less than the equivalent length of 60 meters, ensuring that the refrigerant does not generate excessive pressure drop from the compressor to the condenser.

The shell and tube condenser should be placed as high as possible than the indoor unit. At the same time, it should not be too close to the wall or other condensers. In addition, the equipment should not be installed in places with excessive dust or debris. The condenser fan should not face the facing wind. Before the shell and tube condenser works, check whether all the accessory parts and instrumentation are tightly connected with the condenser. When operating, the valve of the refrigerant is opened, and the upper part of the cylinder enters, and the space formed by the outer wall of the tube sheet and the copper tube flow cooling is performed inside.

In the process of using the shell and tube condenser, steam is usually transported by using some heat-conducting metal such as copper. In order to improve the efficiency, the heat sink can be increased on the pipeline to increase the heat-dissipation area, thereby greatly increase the heat dissipation speed.