Cold Insulation of Water Chiller

One of the new developments in industrial chillers is the use of air cooling rather than cooling water. In this case, the condenser has no cooling with hot air refrigerant, but uses cooling towers made of cooling water. This development allows for more than 15% and allows for a reduction in energy demand in the case of coolers, condensers and fans due to a large reduction in the small area of surface water.

Less common are open-loop controlled industrial refrigerators that keep the temperature of the liquid circulating in an open oil pan. An adjustable thermostatic sensory makeup liquid temperature, circulating cooler to maintain a constant temperature. Most industrial water chillers cool the media for refrigeration, such as 1/2 ton air cooled industrial water chiller, but some simple technologies that rely on air or water include a cooling coil flow that regulates the temperature.

Water chiller cold insulation

There are two situations for the cold insulation of the unit:

  1. The cold insulation has been finished in the factory.
  2. Due to other reasons, the cold insulation should be executed in the installation site. We also need to know about the preparation before installing chiller. In that case, it is necessary to perform leak inspection, running and test running before cold insulation. During cold insulating, pay attention to the following points:
  • Cold insulation should not impede the movable parts (e.g. adjustable device of inlet guide blade, hand grip of the valve).
  • Open the cover of water chamber when cleaning the pipe of evaporator. Do not embed the connecting bolt in the cold insulation layer. (Please also pay attention to the flange that requires frequent disassembly).
  • Please do not embed the temperature senor on the cool water outflow pipe in the cold insulation layer.
  • In order to find the leak source in the air tightness test, please do not embed the auxiliary connecting pipe and the connector of gauge pressure tube in the cold insulation layer or apply removable cold insulation layer.
  • Please do not embed the nameplate in the cold insulation layer.

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