Sulfur hexafluoride gas pumping and filling system for gis
A technology of sulfur hexafluoride gas and sulfur hexafluoride, which is applied in the pipeline system, gas/liquid distribution and storage, electrical components, etc., and can solve the problem of increasing switching device time, extracting and charging sulfur hexafluoride gas time maintenance Long time, high sealing requirements, etc., to save time for switching equipment, good internal pressure tolerance, and improve the reliability of sealing
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[0013] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
[0014] GIS of the present invention uses sulfur hexafluoride gas to extract and charge into the system such as figure 1 As shown: including sulfur hexafluoride recovery device 2, vacuum pump 3, sulfur hexafluoride storage device 4, vacuum gauge (vacuum gauge and sulfur hexafluoride storage device are located at position 4 in chronological order) and connecting pipeline 5, all The connecting pipe 5 is a combined pipe with four intercommunicating pipes 6, and any one of the pipes 6 of the combined pipe 5 has a switch 7, which can be opened or closed separately. Three of the pipes of the combined pipe 5 are connected with the The GIS body 1, the sulfur hexafluoride recovery device 2 are connected to the vacuum pump 3, and the other pipe is connected to the vacuum gauge and the sulfur hexafluoride storage device 4 successively; in addition, ...
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