NRQH-600 SF6 Gas Recovery Device_Wuhan NANR Electric Co., Ltd

The NRQH-600 SF6 gas recovery device is produced in accordance with the DL/T662-1999 "Sulfur hexafluoride charging and recovery device" standard. It is composed of SF6 compressors, vacuum pumps, vacuum systems with anti-oil return devices, condensation systems, liquid storage tanks, and purification system, built-in renewable drier filter, dust filter, ball valve, vacuum gauge, electrical control, pressure detection, thermometer and alarm device, instrument panel and other auxiliary facilities.
It is suitable for manufacturing plants of SF6 electrical appliances, GIS combined electrical appliances, SF6 gas insulated electrical equipment, operating and scientific research departments.

Product Video

Datasheet

Regulations

Overview

Product characteristics

● Vacuum pumping and vacuum measurement for SF6 switch and GIS

● Vacuum pumping and vacuum measurement of liquefaction tank
● Vacuum pumping and vacuum measurement of the device itself
● Inflate the SF6 switch
● Recover SF6 gas in electrical equipment including water treatment and oil treatment
● Dry and purify the recovered and recharged SF6 gas
● Recovery liquefaction storage and residual pressure measurement of SF6 gas in SF6 Electrical Appliances
● The equipment has a liquid storage tank with a capacity of 80 liters.
● SF6 gas is stored in compressed liquid state.
● The device is mobile

Main configuration

1. SF6 compressor requirements: CA-0300 hermetic compressor (COPELAND product from EMERSON USA)

a: Theoretical displacement: 12m3/h

b: Maximum exhaust pressure: 2.5Mpa

c: Minimum suction pressure: 50Kpa

d: Maximum suction pressure: 0.35~0.8 Mpa

e: Power: 2.2KW

f: Power supply: 380V 50HZ

2. Vacuum pump adopts: two-stage rotary vane vacuum pump (2XZ-4A)

a: The vacuum pump is water-cooled

b: Vacuum pumping rate 4L/s

c: Ultimate vacuum degree 0.06pa

d: Power 1KW

3. Requirement of SF6 refrigeration unit: Japan TOSHIBA joint venture host 1KW

4. Filtration system (purification system): filter two-stage filtration vacuum activation and self-regeneration processing)

5. Connector: M27*1.5

6. Safety valve: A21H

7. Valve: DN15—13.5MPa

8. Liquid storage tank: 80L maximum pressure 2.6Mpa

9. Pressure gauge: TECSIS Germany 1413 thermocouple vacuum gauge

10. Liquefier: heating

Models

Technical parameters

Type		Freeze liquefaction vacuum water cooling movable
Operating temperature		-10℃～40℃
Recovery	Initial pressure (Mpa)	0.8
	Final pressure (Mpa)	≤ 0.05
	Time required for filling 1m³ volume of gas (h/m³)	≤ 1
Filling gas	Initial pressure (Pa)	≤ 133
	Initial pressure (Mpa)	0.7
	Time required for filling 1m³volume of gas (h/m³)	≤ 0.3
Time required for vacuum pumping from 0.1MPa to 133pa (h/m³)		≤ 0.7
Limit vacuum (Pa)		≤ 10
Purity of recovered SF6 gas (50KG)	Moisture (PPM/V)	≤ 60
	Oil fraction (PPM/W)	≤ 5
	Dust (um)	≤ 1
Storage container	Storage mode	gas liquid
	Pressure (MPa)	4.0
	Volume (L)	80
	Liquid storage capacity (kg)	80
Liquefaction method		Freezing liquefaction
Vaporization mode		Electric heating
Regeneration mode of drying filter		Vacuum heating activation regeneration
Power supply		Three-phase 3Φ 380V with zero line
Total power (kW)		≤ 8
Noise dB(A)		≤ 75
Dimension (mm)		1400mm×1000mm×1000mm
Weight (kg)		≤ 680KG