Environment-friendly insulating gas as well as preparation method and application thereof

The environmentally friendly insulating gas formed by mixing perfluoromethylsulfide with components such as 1,1,1,2-tetrafluoroethane or trans-1,3,3,3-tetrafluoropropylene, solves the problems of high liquefaction temperature and insulating properties of existing insulating gases, and achieves lower liquefaction temperature, higher insulation strength and lower greenhouse effect potential value.

CN119709289AInactive Publication Date: 2025-03-28GUANGDONG POWER GRID CO LTD +1
12 Cites 0 Cited by

Patent Information

Application Number
CN202411842091.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-03-28
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

In the prior art, the insulating gas used to replace sulfur hexafluoride needs to be mixed with a large amount of buffer gas due to its high boiling point, which affects the insulation strength and heat dissipation performance, and its liquefaction temperature is high, which limits its application.

Method used

Perfluoromethylsulfide and 1,1,1,2-tetrafluoroethane or trans-1,3,3,3-tetrafluoropropylene are used to form an environmentally friendly insulating gas with lower liquefaction temperature, high insulation strength and low greenhouse effect potential value.

Benefits of technology

It achieves lower liquefaction temperature, higher insulation strength and lower greenhouse effect potential, and has the application prospect of a perfect replacement of sulfur hexafluoride.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The invention discloses environment-friendly insulating gas as well as a preparation method and application thereof, and relates to the technical field of insulation. The environment-friendly insulating gas provided by the invention comprises a component A and a component B, the component A is perfluorodimethyl sulfide, and the component B is any one of 1, 1, 1, 2-tetrafluoroethane and trans-1, 3, 3, 3-tetrafluoropropene; the component A and the component B can form an insulating gas composition similar to a single gas in macroscopic property, so that the insulating gas composition has a lower liquefaction temperature of-24 to-64 DEG C, the insulating strength is more than 0.97 times that of the existing insulating gas SF6, the GWP value is only 2-1140, and the insulating gas composition has a wide application prospect of perfectly replacing SF6.
Need to check novelty before this filing date? Find Prior Art