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        With the continuous improvement of living conditions in our country, the living standards of residents have been greatly developed, and a large number of discarded electrical appliances have driven the development of waste household appliances dismantling enterprises. The country's standards for the dismantling industry of used electrical appliances are becoming more and more strict, because refrigerators, air conditioners and other electrical appliances carry refrigerants that destroy the ozone layer. Therefore, it is necessary to equip the refrigerant recovery machine to recover the refrigerant substances in the electrical appliances to achieve the purpose of energy saving and environmental protection. .

 

       When the household appliance dismantling enterprise uses the refrigerant recovery machine, most of them will encounter the following situation: When the recycling machine is finished, the punching pliers are taken out, why is there still refrigerant gas discharged?

 

       Because most of the large-scale refrigerant recovery machines currently used in the dismantling plant are equipped with low-pressure pressure control (recovery to negative pressure automatic shutdown), if there is no problem with the portable recycling machine, However, if a large-scale rapid recovery device is used, in actual use, the suction force of the recovery machine is too fast, so that the inlet hose of the recovery machine reaches the set vacuum degree quickly between the refrigeration unit, and the recovery is completed. The opportunity is recycled by default and then stopped. However, in reality, the refrigerant in the air conditioner or the refrigerator has a limitation of the flow rate of the refrigerant due to the presence of the capillary. Although the front end of the capillary has been evacuated, the refrigerant in the latter still slowly comes out. This will cause the recycling machine to signal that the recycling is complete but there is still refrigerant inside.

 

        In order to be able to recycle more thoroughly, the use of the site can wait for the machine to recover. After the indicator light is on, do not rush to remove the hose, you can wait for the pressure to return to the machine to restart the work, so 2-3 rounds can also Recycle the refrigerant in the system thoroughly.

 

       Another more thorough approach is that the user can consult the refrigerant recycling machine manufacturer to customize a one-to-many recycling system, which allows one recycling machine to simultaneously recover multiple refrigeration units. It can not only solve the problem of insufficient recovery of the recycling machine, but also greatly improve the disassembly speed and increase the production capacity once and for all.