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      • SALES CALLS:+8615504341996
      • AFTER THE PHONE:+8618643001113

      Maintenance of damaged plate heat exchanger?

      2021-08-11 hits: column:NEWS CENTER

      Plate heat exchanger is widely used in our life, so how to repair it after it is damaged? Let's take a brief look at it below.

      1. Prevent the scaling of the equipment plate: the analysis of the scale sample in its inner medium shows that there are the following problems:

      1) The inner surface of the circulating water side plate is seriously polluted, the bottom of the polluted layer is hard, the surface layer is thick, the gray sediment is loose, and the trench is filled.

      2) There are many impact foreign bodies on the circulating water side, mainly concentrated in water flocs, shunts and fillers, resulting in partial blockage of fluid between plates. The solution to this phenomenon is that the filter cooling water should be equipped with softened water. It is suggested that the evaporator heat pump should use less tap water as the medium, and distilled water, neutral water and other purified water can be considered. If the hardness of circulating water is high, it should be softened in advance.

      2. Cracking of the inner plate of the plate: Its equipment has many uses. If it is used as an evaporator, the temperature of the evaporator below 0℃ will cause the ice layer between the plates and crack the equipment. One of the measures taken for this is to apply anti-freezing electromechanical protection when it is used as an evaporator. The second is to choose the appropriate traffic. Configure the flow switch and install the suction line low-pressure control switch to prevent the refrigerant from being excessively cooled.

      Maintenance of equipment: Regarding the adverse consequences, such as wear and tear, use the hot gas bypass valve to suck the suction air of some compressors into the evaporator port, and keep the suction pressure at a predetermined level. Like the low-pressure switch of the suction line, the better the effect will be.


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      Sales calls: +8615504341996
      After-sales telephone: +8618643001113
      Address:Room 101, Floor 1, West Side of North Xinhua Street, Sanhe Village, Pingxi Town, Tiexi District, Siping City, Jilin Province
      Landline:+86 0434-3630077
      Fax:+86 0434-7780077
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      COPYRIGHT ? SPCDHR.COM Siping Chengda Heat Exchange Equipment Manufacturing Co., Ltd All rights reserved 吉ICP備17004051號-1 Technical support:中諾科技
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