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Causes of ice blockage in high and low temperature test chambers 1. When the low temperature equipment compressor is pressurized, the water vapor in the air is compressed into water and injected into the pipeline to cause ice blockage.
2. After the refrigeration evaporator is broken, the water molecules in the frozen (storage) chamber will be brought into the compressor together with the water vapor in the air during the long-term startup (the negative pressure will be generated in the generator when the machine is turned on, and the atmospheric pressure will be wet. Water molecules in the air are brought into the machine).
3. The high and low temperature test chamber process tube is not sealed after opening, and it is not repaired in time. This kind of frost that has been put on for a long time, coupled with the occasional opening, the moisture in the air will be brought into the machine from the outside of the nozzle. There are also unsealed and long-term compressors that can be switched to frost without drying, which can also cause ice blockage.
4. The refrigerant has too much moisture, and the filling will cause ice blockage.
5. The aging filter of the dry filter fails and loses the function of drying and absorbing water. The above five articles are especially prominent in the two and two zui.
High and low temperature ice blocking prevention methods <br> <br> in a pressurized leak testing can be done to completely eliminate water intake section, the water will shut out, is the key to the prevention of ice block appears.
Solutions of high and low temperature ice block <br> <br> efficient production of a dry filter: find cans with a sealing cover, respectively, of the hole drilled in a 6cm cartridge bottom, a circular hole ¢ the welding period Copper tube, about 200 grams of dry calcium chloride (optional bulk) can be placed in thick nylon socks or nylon bags, placed in iron cans and covered Tight, plug the two nozzles when not in use to prevent humid air from entering. When in use, unplug the plug and connect the exhaust port to the compressor intake pipe. After use, be sure to seal the two ports.
Causes and solutions for ice blockage in high and low temperature test chambers
After high-temperature test chambers are used for a long time, they often encounter ice blockage faults. Below are the high-low temperature test box professional manufacturers on the high-low temperature test chamber ice block reasons and solutions.