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Self-pressure-relief adjustable buffer gas pressurization cylinder

A technology of buffer gas and booster cylinder, which is applied to liquid variable volume machinery, fluid pressure actuating devices, variable volume pump components, etc., can solve problems such as unsatisfactory vibration and noise reduction effects, and achieve high engineering practical applications. value, the effect of reducing inertial load shocks, reducing overall operating vibration and noise

Active Publication Date: 2020-11-17
CHINA PETROCHEMICAL CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing gas booster cylinders generally use single-stage or multi-stage forced buffering at the end of the stroke to reduce the impact of the booster cylinder in order to reduce vibration and noise. Practice has proved that the effect of vibration and noise reduction is not ideal.

Method used

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  • Self-pressure-relief adjustable buffer gas pressurization cylinder
  • Self-pressure-relief adjustable buffer gas pressurization cylinder
  • Self-pressure-relief adjustable buffer gas pressurization cylinder

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Embodiment Construction

[0027] The invention will be further described in detail below with reference to the accompanying drawings, so that those skilled in the art can implement the invention with reference to the description.

[0028] It should be understood that terms such as "having", "comprising" and "including" as used herein do not assign the presence or addition of one or more other elements or combinations thereof.

[0029] It should be understood that terms such as "first" and "second" used herein do not have an absolute meaning.

[0030] Please refer to Figure 1-5 , the present invention provides a self-releasing adjustable buffer gas booster cylinder, including a first cylinder 20 and a second cylinder 80, the first cylinder 20 and the second cylinder 80 are coaxial inside and are installed with A slidable piston mechanism, the piston mechanism includes a piston rod 32 and pistons coaxially installed at both ends thereof, named as the first piston 31 and the second piston 33; the first ...

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PUM

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Abstract

The invention discloses a self-pressure-relief adjustable buffer gas pressurization cylinder. The self-pressure-relief adjustable buffer gas pressurization cylinder is used in a gas compressor, and atthe tail end of the stroke, a buffer sleeve divides a low-pressure hydraulic cavity of the pressurization cylinder into two parts: one part can only discharge oil outwards through a throttling opening of an adjustable needle valve, the buffer effect of the inertia load of the pressurization cylinder can be adjusted by adjusting the size of the throttling opening of the adjustable needle valve, and the other part is used for enabling a high-pressure hydraulic cavity to communicate with a low-pressure hydraulic cavity at the tail end of the pressurization stroke so as achieve self-pressure relief of a hydraulic system at the tail end of the stroke of the pressurization cylinder to reduce hydraulic reversing impact. Compared with an existing gas pressurization cylinder of a hydraulic compressor, self-pressure relief of the hydraulic system at the tail end of the stroke of the pressurization cylinder and effective buffering of the inertia load of the pressurization cylinder can be achieved at the same time, the effects of obviously reducing hydraulic reversing impact and reducing inertia load impact are achieved, the service life of the gas pressurization cylinder can be effectively prolonged, overall operation vibration and noise of the hydraulic compressor are reduced, and high engineering practical application value is achieved.

Description

technical field [0001] The invention relates to the field of petroleum equipment. More specifically, the present invention relates to a self-releasing pressure-adjustable buffer booster cylinder. Background technique [0002] Gas pressurization is widely used in the field of gas transportation, among which the compressor is the key equipment for gas pressurization and transportation. Hydraulic compressors have been widely used in natural gas refueling sub-stations because of their wide range of pressures and relatively low cost. The gas booster cylinder is the core equipment of the hydraulic compressor. [0003] With the gradual enhancement of people's awareness of environmental protection, the vibration and noise of hydraulic compressors have gradually become an important indicator to measure the comprehensive performance of compressors. Existing gas booster cylinders generally use single-stage or multi-stage forced buffering at the end of the stroke to reduce the impact...

Claims

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Application Information

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IPC IPC(8): F04B35/02F04B27/00F04B39/12F15B15/22
CPCF04B9/113F04B27/005F04B39/122F15B15/226F15B15/22
Inventor 高海平李新年信石玉宋满华卢文青钱伟强
Owner CHINA PETROCHEMICAL CORP
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