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Ultrahigh-purity SF6 pipe gas transmission system

A technology of gas transmission system and inflation system, which is applied in fixed-capacity gas storage tanks, gas treatment/storage purposes, gas treatment/storage effects, etc., and can solve problems such as difficulty in inflation

Pending Publication Date: 2020-05-01
JIANGSU POWER TRANSMISSION & DISTRIBUTION CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The technical problem to be solved by the present invention is to overcome the defects of the prior art and provide an ultra-high-purity SF6 pipeline gas transmission system. The ultra-high-purity pipeline gas transmission system solves the difficult problem of inflation during the installation of GIL in the pipe gallery

Method used

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  • Ultrahigh-purity SF6 pipe gas transmission system
  • Ultrahigh-purity SF6 pipe gas transmission system
  • Ultrahigh-purity SF6 pipe gas transmission system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059] An ultra-high-purity SF6 pipeline gas transmission system, including an automatic safety monitoring system, a gas supply station, an intermediate station storage system, and an inflation system. The gas supply station, the intermediate station storage system, and the inflation system are sequentially connected in series, and the automatic safety monitoring system Electrically connect the gas supply station, intermediate station storage system and inflation system.

[0060] Further, the gas supply station includes several gas supply bottles, a gasification heating system and a fully automatic gas switching system, and several gas supply bottles, a gasification heating system and a fully automatic gas switching system are sequentially connected in series;

[0061] Several gas supply cylinders include gas cylinders of group A and gas cylinders of group B. Both gas cylinders of group A and gas cylinders of group B include steel cylinders, liquid phase conduits (10) and liqui...

Embodiment 2

[0132] The difference from Example 1 is that, if Figure 9As shown, the steel cylinders of Group A and Group B can also adopt the standard 40L steel cylinder multi-cylinder group connected in series and place the structure obliquely to achieve the method of inflating SF6 liquid. However, this scheme is labor-intensive and inconvenient for equipment hoisting and transportation, but it can realize liquid extraction. Function.

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Abstract

The invention discloses a ultrahigh-purity SF6 pipe gas transmission system. The system is characterized by comprising an automatic safety monitoring system, a gas supply station building, an intermediate station storage system and a gas charging system; the gas supply station building, the intermediate station storage system and the gas charging system are serially connected in sequence for communication; and the automatic safety monitoring system is electrically connected with the gas supply station building, the intermediate station storage system and the gas charging system. The device takes out liquid-state sulfur hexafluoride from a steel cylinder, and realizes gasification of sulfur hexafluoride in equipment to achieve high gasification speed and high heat exchange efficiency. The gas cylinder has no need to be transported in a pipe rack to prevent mutual crossing operations with GIL bus transportation and installation machines; through actual operation demonstration, the systemachieves the gas charging efficiency being 12 times of a traditional single-cylinder gas charging mode, greatly shortens the gas charging time, and effectively solves the construction period bottleneck problem caused by the traditional gas charging mode; and the sulfur hexafluoride gas cylinder is management on the grounded in a centralized mode to effectively control the safety risk.

Description

technical field [0001] The invention relates to an ultra-high-purity SF6 pipeline gas transmission system, which belongs to the technical field of SF6 pipeline gas transmission. Background technique [0002] GIL is the gas-insulated metal-enclosed pipeline busbar transmission line. When the sulfur hexafluoride switchgear such as GIL and combined electrical appliances in the market is installed on the power station site, a large amount of sulfur hexafluoride gas is used as the insulation and arc extinguishing medium. Before inflating, it is necessary to test the filled sulfur hexafluoride gas. The purity of the filled sulfur hexafluoride gas must reach more than 99.9%, the moisture content must be less than 5μg / g, and other miscellaneous gas indicators must meet the requirements of national standards. The purity index is very high. According to the size of the power station, the amount of sulfur hexafluoride gas used is also different. The amount of sulfur hexafluoride gas u...

Claims

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Application Information

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IPC IPC(8): F17C7/04F17C5/06F17C13/00F17C13/02F17C13/04
CPCF17C7/04F17C5/06F17C13/00F17C13/025F17C13/04F17C2205/0302F17C2205/0388F17C2221/037F17C2221/05F17C2223/013F17C2225/0123F17C2227/0128F17C2227/0302F17C2227/0369F17C2227/044F17C2227/042F17C2250/03F17C2250/036F17C2250/043F17C2250/0626F17C2260/044F17C2260/046F17C2260/025F17C2265/017F17C2265/032F17C2265/06
Inventor 吉宏高亚平陈江华毕涛生红莹田向阳
Owner JIANGSU POWER TRANSMISSION & DISTRIBUTION CO LTD
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