|発明の名称||SF6 GAS RECOVERY DEVICE AND SF6 GAS RECOVERY METHOD|
PROBLEM TO BE SOLVED: To provide an SF6 gas recovery device and a method therefor, capable of recovering completely without discharging to the external world and transferring into another vassel, SF6 gas (insulation gas) sealed in a pressure vessel of a high-voltage apparatus or in a sealed vessel used in a power plant, a substation, an accelerator facility or the like.
SOLUTION: This device has a constitution including: a vessel 1 used for the recovery in which the SF6 gas is sealed; a low-temperature adsorption pump 5 connected to the vessel 1 used for the recovery, and storing an adsorbent in a tank; a cooling means 6 capable of cooling the tank inside of the low-temperature adsorption pump 5 to a liquid nitrogen temperature; a heater device 7 capable of raising a temperature of the tank inside of the low-temperature adsorption pump 5 to a prescribed temperature; an oil rotary pump 4 connected to the low-temperature adsorption pump 1; a compressor 3 for transfer connected in series to the oil rotary pump 4; and a storage vessel 2 connected to the compressor 3 for transfer, capable of storing the SF6 gas transferred from the vessel 1 used for the recovery via the low-temperature adsorption pump 5.
- 公益財団法人若狭湾エネルギー研究センター 企画支援広報部
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