Functions of SF6 gas recovery device:
Vacuuming: the residual gas in the body of the recovery car and SF6 equipment is extracted through the vacuum pump to make the vacuum degree in the equipment meet the requirements.
Recovery: Recovery of SF6 (sulfur hexafluoride) gas from SF6 electrical equipment.
Purification: the recovered SF6 gas is purified after repeated drying and filtration separation.
Liquefaction: the purified gas is processed through the condenser, and the gas is liquefied and stored in the gas tank of the recovery device.
Charging: recharge the purified gas in the SF6 equipment body, or replenish gas for the electrical equipment in operation.
Storage transfer: the gas stored in the device can be transferred to an external storage tank and one
The gas storage tank is transferred to another tank to meet the diversified storage of gas.
Work flow of SF6 recovery device:
1. When THE SF6 is extracted from a gas chamber, the gas flows through the purification filter, is compressed and cooled by the SF6 compressor, and is stored in liquid form into the SF6 tank under a certain high pressure.
2, the use of vacuum pump to remove the gas in the electrical switch, vacuum pump outlet to the atmosphere.
3. After purification and drying, SF6 is charged back to the vacuum gas chamber from the storage tank and controlled by the pressure reducing valve until the pressure in the gas chamber reaches the set working pressure.
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