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Pemasok yang Diaudit I.Overview
SF6 gas recovery and purification charging and discharging device is used for the manufacturing plant of SF6 gas insulation electrical equipment. In the departments of use, operation and scientific research, various electrical equipment is vacuumized, SF6 gas is filled into the electrical equipment, and SF6 gas is recovered from the electrical appliances in use or test, and purified, compressed and stored to storage tank at the same time.
The recycling device is suitable for SF6 electrical equipment and GIS combined electrical equipment.
According to DL/T662-1999 "Sulfur Hexafluoride Inflator and Recovery Device",the device is composed of recycling system, gas charging system, vacuum pumping system, purification system and gas storage system, with the following main functions:
1. Measure the vacuum and vacuum degree of the device and electrical equipment;
2. Recycle the gas in the electrical equipment;
3. Dry and purify SF6 gas recovered and refilled;
4. Inflate SF6 electric appliance;
5. Compressed storage and bottle filling of SF6 gas in electrical appliances.
II.The Main Components and Advantages of The Recovery Unit
(1) advanced design, complete functions, reasonable structure, simple and clear operation.
(2) compression system: SF6 sealed compressor, no leakage.
(3) double-stage rotary vane vacuum pump is adopted in the vacuum pumping system, which is equipped with an automatic oil return prevention device.
(4) the purification system adopts the principle filter of CKD company in Japan, and the filter adopts electric heating and high-efficiency adsorbent inside, so the purification effect is more significant (there is no need to change the adsorbent frequently).
(5) automatic confirmation of three-phase power supply and automatic protection of phase break in the electrical system of the device.
(6) the device control system adopts SF6 special valve with the latest technology
(7) the storage system shall be equipped with 50KG liquid storage tank according to user requirements. And can directly fill gas cylinders.
(8) the equipment is mobile.
III.Main Technical Performance Index
(1) type: mobile type, refrigeration type
(2) operating principle
A. Use compressor pressure -- refrigerate and liquefy SF6 gas.
B. Air recovery and recharge assisted by the dryer.
C. It is filled by buffer gasification during air filling (it can be heated).
(3) operating environment temperature: -10ºC(-30 optional)--- +40ºC
(4) Main performance and technical parameters
1,The ultimate vacuum of the device<10Pa
2,Vacuum pumping rate of the device is 55m3/h (vacuum pump limit is less than 0.06Pa)
3,Initial inflation pressure of the device<133 Pa
4,Final inflation pressure of the device ≤0.8M Pa
5,Inflation rate of the device >6m3/h
6,Initial pressure of recovery of the device≤0.8M Pa
7,The final recovery pressure of the device<-0.053MPa
8,The recovery rate of the compressor is10m3/h
9,Annual leakage rate of the device<1%
10,The maximum design pressure of device storage tank is 4M Pa
11. Tank capacity is 50KG
12. Storage mode: liquid
13. Noise ≤75dB sound pressure level
14. Drying filter regeneration: vacuum regeneration, heating and activation
15. Power supply:AC three-phase 220V/380V±10%,50HZ
16,Total power of the device<13KW
17,purification: micro water 60PPm,oil 5PPm, impurities ≤1 micron 100% filtration.
IV.The Main Components and Functions of The Device
The main functions of the device include compressor, vacuum pump, refrigeration system, dry filter regenerator, heater, purifier, filter, pipeline, valve, instrument, electrical control and structural parts, frame panel, running wheel and storage tank.
V.The Main Component Configuration Parameters are as Follows
1. SF6 compressor: oil semi-enclosed compressor with high pressure
A: theoretical displacement: 10m3/h
B: maximum exhaust pressure: 2.5mpa
C: minimum inspiratory pressure: 53Kpa
D: maximum suction pressure: 0.35~ 0.8mpa
E: power: 3KW
F: power supply: 380V 50HZ
2. The vacuum system adopts two-stage rotary plate 2X-15
A: vacuum pump adopts air-cooled type, which can run for a long time
B: vacuum rate is 55m3/h
C: Final vacuum 0.06pa
D: power 3KW
3. Refrigeration system: domestic compressor
4. Filtration system (purification system: dual-stage filtration with vacuum activation and self-regeneration)
5, SF6 valve: ball valve DN15 SF6 dedicated
6. Pressure gauge, vacuum gauge: Shanghai Yichuan pressure gauge, Shanghai thermal even number display vacuum gauge.
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Pemasok yang Diaudit 
