GIS (Gas Insulated Switchgear) characteristic gas adsorption film

A characteristic gas and adsorption film technology, applied in the electrical field, can solve the problems that affect the normal operation of the equipment GIS, cannot adsorb and remove impurities, etc., and achieve the effects of simple structure, convenient pasting, and strong adsorption capacity.

Inactive Publication Date: 2019-07-23
CHINA THREE GORGES UNIV
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Problems solved by technology

[0003] CN201120307619 discloses a sulfur hexafluoride gas impurity removal device. The gas is adsorbed by an adsorber so that the discharged gas does not contain SO 2 、H 2 Harmful substances such as S, HF and CO not only reduce the harm to the test personnel, but also are environmentally friendly; the defect is that the device cannot adsorb and remove impurities from the SF6 discharge decomposition inside the GIS equipment
[0004] Zhang Xiaoxing and others disclosed the ga

Method used

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  • GIS (Gas Insulated Switchgear) characteristic gas adsorption film
  • GIS (Gas Insulated Switchgear) characteristic gas adsorption film
  • GIS (Gas Insulated Switchgear) characteristic gas adsorption film

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Embodiment Construction

[0020] Below in conjunction with embodiment, further illustrate the present invention.

[0021] like Figure 1-5 As shown, the present invention provides a GIS characteristic gas adsorption film, including an adhesive layer 1, the adhesive layer is a double-sided adhesive structure, one of the surfaces of the adhesive layer is covered with an adsorption layer 2, and the adsorption layer is a carboxyl graphene layer. One side of the adhesive layer is used to paste carboxyl graphene, and the other side is used to paste the adsorption film on the target position. For the adhesive layer, only the upper surface is required to be able to stick the adsorption layer stably, and the lower surface can be used to paste the adsorption film on the inner surface of the GIS equipment target location. Double-sided tape is optional. Carboxyl graphene can be prepared by a one-step method for preparing carboxyl-functionalized graphene disclosed in patent CN201510613444. High-purity, non-agglom...

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Abstract

The invention discloses a GIS (Gas Insulated Switchgear) characteristic gas adsorption film. The GIS characteristic gas adsorption film comprises a bonding layer, wherein the bonding layer is of a dual-side bonding structure; one surface of the bonding layer is covered with an adsorption layer; the adsorption layer is a carboxyl graphene layer; the carboxyl graphene layer is a single-layer graphene surface which is rich in carboxyl functional groups. After the adsorption film is pasted on the inner surface of GIS equipment, GIS characteristic gas inside the equipment comes into contact with acarboxyl graphene surface, and a strong chemical adsorption effect can be formed between the carboxyl functional groups on the graphene surface and GIS characteristic gas molecules to realize the adsorption of the gas molecules. The GIS characteristic gas adsorption film has the advantages of remarkable adsorption effect on GIS characteristic gas, low preparation cost, stable adsorption, small size, reusability and the like.

Description

technical field [0001] The invention belongs to the electrical field, and in particular relates to a GIS characteristic gas adsorption film. Graphene modified with carboxyl functional groups is used as the adsorption material to achieve effective adsorption and collection of GIS characteristic gases. Background technique [0002] Sulfur hexafluoride gas is widely used in GIS (Gas Insulated Switchgear, GIS) because of its good insulating properties and arc extinguishing properties. Past operating experience shows that electrical equipment inevitably has insulation defects during long-term operation, and the appearance of these potential defects often causes partial discharges of varying degrees. Under the effect of partial discharge, the SF inside the GIS 6 It decomposes and reacts with the micro-water and micro-oxygen inside the equipment to generate SO 2 , SO 2 f 2 、SOF 2 and other GIS characteristic gases. These products will corrode the metal surface and further ac...

Claims

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Application Information

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IPC IPC(8): B01J20/20B01J20/22B01J20/28B01J20/30B01D53/02
CPCB01J20/20B01J20/22B01J20/28035B01D53/02
Inventor 王成江梅侣松刘玉斌赵一帆
Owner CHINA THREE GORGES UNIV
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