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Explosion-proof cable for high-risk chemical industry

An explosion-proof cable and chemical technology, applied in the direction of insulated cables, cables, circuits, etc., can solve the high industry demand, explosion-proof cables can not fully meet the safety performance requirements and other problems, achieve good waterproof, improve explosion-proof safety performance, and improve performance effects

Inactive Publication Date: 2017-05-24
STATE GRID SHANDONG TANCHENG POWER SUPPLY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide an explosion-proof cable used in high-risk chemical industry to overcome the defect that the explosion-proof cable in the prior art cannot fully meet the high industry demand for safety performance

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  • Explosion-proof cable for high-risk chemical industry

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Embodiment Construction

[0012] The present invention will be further described below in conjunction with accompanying drawing.

[0013] An explosion-proof cable used in the high-risk chemical industry, including a conductor core 1 in the middle, a mica refractory layer 2, a shielding layer 3, a first explosion-proof layer 4, and a flame-retardant layer 5 coated on the conductor core 1 in sequence from the inside to the outside , the second explosion-proof layer 6, the outer sheath layer 7. The first explosion-proof layer 4 is a rubber explosion-proof layer, the second explosion-proof layer 6 is a steel belt explosion-proof layer, the shielding layer 3 is made of tinned copper wire braid and aluminum-plastic composite tape longitudinally wrapped, the thickness of the first explosion-proof layer 4 is greater than or equal to 5mm , The combination of the first explosion-proof layer 4 and the second explosion-proof layer 6 greatly improves the explosion-proof performance of the present invention, and has...

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Abstract

The invention discloses an explosion-proof cable for a high-risk chemical industry, which belongs to the cable field. The explosion-proof cable for the high-risk chemical industry comprises a middle conductor core, and a mica fire-resistant layer, a shielding layer, a first explosion-proof layer, a flame-retardant layer, a second explosion-proof layer and an outer sheath layer coating the cable core from inside to outside sequentially. The explosion-proof cable for the high-risk chemical industry can be used in a high-voltage waterproof anti-electrostatic place, and has the advantages that waterproof, anti-electrostatic field and explosion-proof performance is good; voltage resistance is extremely high; and the operation is reliable.

Description

technical field [0001] The invention belongs to a cable, in particular to an explosion-proof cable used in high-risk chemical industry. Background technique [0002] At present, with the rapid development of industrial automation in my country, explosion-proof cables have been used as power supply equipment in the production process in many fields such as communication, monitoring, detection, alarm and control systems. Among them, the explosion-proof safety power supply is mainly used in the environment of containing mixtures such as coal mines, petroleum, chemicals, textiles and coal mines. Existing explosion-proof cables cannot fully meet the needs of the industry. Contents of the invention [0003] The purpose of the present invention is to provide an explosion-proof cable used in high-risk chemical industry, so as to overcome the defect that the explosion-proof cable in the prior art cannot fully meet the high industry requirements for safety performance. [0004] Th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/282H01B7/17H01B7/295
Inventor 胡广先
Owner STATE GRID SHANDONG TANCHENG POWER SUPPLY
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