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Mechanical piston compressor for hydrogen refueling station

A technology for hydrogen refueling stations and compressors, applied in mechanical equipment, machines/engines, liquid variable capacity machinery, etc., can solve problems such as oil-free lubrication and dynamic sealing that cannot be overcome, and achieve reliable long-term operation and long-term continuous operation. time, run more safely

Pending Publication Date: 2021-03-23
INST OF SINOPEC OILFIELD EQUIP CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Because the traditional mechanical piston compressor cannot overcome technical difficulties such as oil-free lubrication and dynamic sealing, it cannot meet the demand in the high-pressure hydrogenation station and hydrogen environment, so there is no domestic application

Method used

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  • Mechanical piston compressor for hydrogen refueling station

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Embodiment Construction

[0026] The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.

[0027] The following description serves to disclose the present invention to enable those skilled in the art to carry out the present invention. The preferred embodiments described below are only examples, and those skilled in the art can conceive of other obvious modifications. The basic principles of the present invention defined in the following description can be applied to other embodiments, variations, improvements, equivalents and other technical solutions without departing from the spirit and scope of the present invention.

[0028] Those skilled in the art should understand that in the disclosure of the present invention, the terms "vertical", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientation or positional relationship indicated by ...

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Abstract

The invention discloses a mechanical piston compressor for a hydrogen refueling station. The compressor comprises a cylinder which is vertically arranged and is provided with at least two cylinder bodies that are arranged in parallel, a shell and a guide mechanism. A piston rod is arranged in each cylinder body, and a piston is arranged on each piston rod; the interior of the shell is hollow; theguide mechanism is arranged in the shell, a plurality of guide channels are formed in the guide mechanism, and each guide channel corresponds to one cylinder body so that the piston rods of the cylinder bodies can pass through the guide channels when moving up and down, and the piston rods can be limited, guided and sealed; and the technical difficulties of oil-free lubrication and dynamic sealingin high-pressure and hydrogen environments are solved, and safe and reliable long-time operation of the compressor in the hydrogen refueling station is guaranteed.

Description

technical field [0001] The invention relates to the field of mechanical piston compressors for hydrogen refueling stations. More specifically, the present invention relates to a mechanical piston compressor for a hydrogen refueling station that can meet high pressure and hydrogen environments, and is oil-free and well-sealed. Background technique [0002] The hydrogen refueling station is a key hub connecting the upstream hydrogen production of the hydrogen energy industry and the downstream fuel cell vehicle hydrogen use, and the hydrogen compressor is the core equipment of the hydrogen refueling station. In order to ensure the purity and compression displacement of hydrogen, the hydrogen compressors currently used in domestic hydrogen refueling stations include metal diaphragm compressors and hydraulic piston compressors. [0003] Because the traditional mechanical piston compressor cannot overcome technical difficulties such as oil-free lubrication and dynamic sealing, i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B27/00F04B39/00F04B39/06F04B39/12
CPCF04B27/005F04B39/0005F04B39/0094F04B39/122F04B39/06
Inventor 张顺田红平信石玉许剑李文权
Owner INST OF SINOPEC OILFIELD EQUIP CORP
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