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High wear-resistant carbon nano-polytetrafluoroethylene water injection pump valve seal ring

A polytetrafluoroethylene and valve sealing technology, applied in the field of high wear-resistant polytetrafluoroethylene water injection pump valve sealing ring and its preparation, can solve the problems of not too high wear resistance, low strength and hardness, and achieve good installation The effect of resilience, improved service life and good resistance to extrusion deformation

Inactive Publication Date: 2016-10-12
ANHUI RONGDA VALVE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the carbon nanotube reinforced PTFE composite material has improved wear resistance, the wear resistance is still not too high, and the strength and hardness are also low.

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] A wear-resistant carbon nano-polytetrafluoroethylene water injection pump valve sealing ring, which is prepared from the following components by weight: 100 parts of polytetrafluoroethylene, 5 parts of carbon nanotubes, 8 parts of phenol, p-methyl 8 parts of benzoic acid, 2 parts of bentonite, 5 parts of diphenyl ether, 2 parts of butyl titanate, 20 parts of 60-70% sodium hypochlorite, 20 parts of EDTA, 50 parts of ammonia water, 100 parts of absolute ethanol, 3 parts of barium sulfate, 2 parts of molybdenum sulfide, 2 parts of silane coupling agent kh550, 10 parts of ammonium chloride, 30 parts of urea, 30 parts of water.

[0021] A wear-resistant carbon nano-polytetrafluoroethylene water injection pump valve sealing ring is characterized in that it is prepared from the following components by weight: 100 parts of polytetrafluoroethylene, 5-8 parts of carbon nanotubes, phenol 8-10 parts, 8-10 parts of p-toluic acid, 1-2 parts of bentonite, 5-8 parts of diphenyl ether, ...

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Abstract

The invention discloses a high wear-resistant carbon nano-polytetrafluoroethylene water injection pump valve seal ring. The high wear-resistant carbon nano-polytetrafluoroethylene water injection pump valve seal ring is prepared from, by weight, 100 parts of polytetrafluoroethylene, 5-8 parts of carbon nano tubes, 8-10 parts of phenol, 8-10 parts of p-toluic acid, 1-2 parts of bentonite, 5-8 parts of diphenyl ether, 1-3 parts of butyl titanate, 20-25 parts of 60%-70% sodium hypochlorite, 20-25 parts of EDTA, 40-50 parts of ammonia water, 80-100 parts of absolute ethyl alcohol, 3-5 parts of barium sulfate, 1-2 parts of molybdenum disulfide, 1-3 parts of silane coupling agent kh550, 9-10 parts of ammonium chloride, 30-35 parts of urea and 30-35 parts of water. The high wear-resistant carbon nano-polytetrafluoroethylene water injection pump valve seal ring is resistant to wear and long in service life.

Description

technical field [0001] The invention belongs to the field of valve sealing rings of water injection pumps, and in particular relates to a high wear-resistant polytetrafluoroethylene water injection pump valve sealing ring and its preparation method and application. Background technique [0002] The water injection station is one of the important links in the oilfield water injection system. The maintenance volume caused by the loss of the high-pressure end seal ring and plunger packing of the water injection pump accounts for more than 80% of the maintenance volume of the water injection station. Obviously, as the oilfield enters a high-water-cut development zone, the quality of injection water further deteriorates, and the corrosion rate of sewage continues to rise. The existing sealing rings can no longer meet the production requirements of water injection pumps. A large number of maintenance tasks not only greatly increase the workload, but also It has brought a great neg...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/18C08L67/04C08K13/06C08K9/04C08K7/24C08K3/34C08K3/30
CPCC08L27/18C08L67/04C08K13/06C08K9/08C08K7/24C08K3/346C08K2003/3045
Inventor 胡光荣
Owner ANHUI RONGDA VALVE
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