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Carbon fiber packing

A carbon fiber and packing technology, applied in the direction of engine sealing, engine components, mechanical equipment, etc., can solve the problems of high temperature resistance, short service life, acid and alkali resistance, and improve mechanical strength, good sealing performance, etc. Thermal conductivity, the effect of good thermal conductivity

Inactive Publication Date: 2014-05-21
QINYANG CARBON
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The packing used in various industries is not resistant to corrosion, high temperature, acid and alkali, and has poor sealing performance.
It is easy to cause damage to the pump shaft during use, resulting in a short service life of the pump

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0007] The invention is braided by anti-condensation synthetic fiber (pre-oxygenated polyacrylonitrile yarn), tetrafluoro emulsion impregnated with graphite particles, non-silicone oil and a full nickel-based metal coating structure.

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PUM

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Abstract

The invention provides carbon fiber packing. The carbon fiber packing is formed by anti-shrink synthetic fibers (panof polyacrylonitrile yarn), PTFE emulsion containing graphite particles in a dipping mode, non-silicon oil and a full-nickel base metal coating structure in a woven mode. Compared with traditional carbon fiber packing, the defect of embrittlement is overcome, and the carbon fiber packing is suitable for occasions with high linear speed. Carbon filaments have high strength and good heat conduction performance, PTFE and graphite have excellent lubricating performance, so that the packing does not grind shafts and is used in a long time. The carbon fiber packing has good heat conduction performance, chemical resistance and self lubrication, meanwhile, the full-nickel base metal coating structure greatly improves the mechanical strength of the packing, and the packing is more compact and firmer.

Description

Technical field: [0001] The invention relates to a carbon fiber packing. Mainly used in petroleum, chemical industry, chemical fiber, coal mining, power generation, metallurgy and other industrial fields flange , valve , Reactor, pump seal. Background technique: [0002] The packing used in various industries is not resistant to corrosion, high temperature, acid and alkali, and has poor sealing performance. It is easy to cause damage to the pump shaft during use, resulting in a short service life of the pump. Invention content: [0003] The purpose of the present invention is to provide a carbon fiber packing, the present invention has excellent thermal conductivity, wear resistance, chemical stability, and mechanical High strength, small starting torque, so it will not cause damage to the pump shaft, long service life, good sealing effect and so on. [0004] The technical scheme of the invention is: it is woven by anti-condensation synthetic fiber (pre-oxygenated p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16J15/22
Inventor 王高升
Owner QINYANG CARBON