How to deal with frosting on the surface of high and low temperature damp heat test chamber

How to deal with frosting on the surface of high and low temperature damp heat test chamber

In the normal operation of the machine, some customers will encounter the problem of frost on the surface of the high and low temperature damp heat test chamber. How to deal with such problems?

Regarding the problem of ice formation in the casing of the high and low temperature damp heat test chamber, it is actually not a technical problem. The first point is still the maintenance and repair problem. Regarding equipment, quality is one aspect, and curing plays a decisive role in terms of the number of high and low temperature damp heat test chambers.

1. After the technical tube of the high and low temperature damp heat test chamber is turned over, it is not sealed or repaired in time. When the frost is put on for a long time and the frequency is turned on frequently, the moisture in the air will be brought into the machine from the outside of the nozzle; and the chiller that is not sealed for a long time will be replaced by the frost without using the boring treatment, and the knot will be formed. ice.

2. After the refrigeration transpiration device is broken, the water molecules in the frozen (storage) room will be brought into the compaction machine together with the water vapor in the air (the negative pressure will occur in the hair machine when the machine is turned on, and the atmospheric pressure will be Water molecules in the humid air are brought into the machine). It will also form icing.

3, high and low temperature damp heat test chamber If the transpiration device is poorly ventilated, the cold volume will not cause the transpiration device to frost or freeze, resulting in low pressure and too low pressure, will also form a shrinking machine shell frosting. The boring filter fails to age and loses its proper dry water absorption function.

4. In the normal operation of the high-low temperature damp heat test chamber, the compressor sucks back the refrigerant vapor instead of the liquid. If the refrigerant is too much in the refrigeration system and the refrigerating oil is too much or the expansion valve conditioning flow is too large, The refrigerant is not completely transpiration in the transpiration unit, so that the refrigerant is sucked back by the compressor in a wet vapor or liquid state, and the filling forms ice.

5. The high and low temperature damp heat test box compactor compresses the water vapor in the air into water during the pressurized leak, and writes into the pipe to form ice.

6. The process tube is not sealed after being opened, and it is not repaired in time. This long-time placement of frost, coupled with accidental opening, the moisture in the air will be brought into the machine from outside the nozzle. There is also an unsealed and long-term squeezing machine that can be used for ice cream without boring treatment.

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