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Self-relieving adjustable buffer gas booster cylinder

A technology of buffer gas and pressurized cylinder, which is applied in the direction of liquid variable displacement machinery, fluid pressure actuating device, piston pump, etc., can solve the problems of unsatisfactory vibration and noise reduction effects, so as to improve the service life and reduce the overall operation Vibration and noise, reducing the effect of hydraulic reversing shock

Active Publication Date: 2022-04-22
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-relieving adjustable buffer gas booster cylinder
  • Self-relieving adjustable buffer gas booster cylinder
  • Self-relieving adjustable buffer gas booster cylinder

Examples

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Embodiment Construction

[0027] The 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.

[0028] It should be understood that terms such as "having", "comprising" and "including" as used herein do not entail 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 absolute meanings.

[0030] Please refer to Figure 1-5 , a self-relieving adjustable buffer gas booster cylinder provided by the present invention includes a first cylinder 20 and a second cylinder 80, the first cylinder 20 and the second cylinder 80 are coaxial inside and installed with A slidable piston mechanism comprising a piston rod 32 and a piston coaxially mounted at its two ends, named as a first piston 31 and a second piston 33; the first cylinder 20 has a rod cavity and a second cy...

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Abstract

The invention discloses a self-unloading adjustable buffer gas booster cylinder, which is used in a gas compressor. The buffer sleeve at the end of the stroke divides the low-pressure hydraulic chamber of the booster cylinder into two parts: one part can only be passed through an adjustable needle The orifice of the needle valve discharges oil outwards. By adjusting the size of the orifice of the needle valve, the cushioning effect of the inertial load of the booster cylinder can be adjusted; the other part is used to connect the high-pressure hydraulic chamber and the low-pressure hydraulic chamber at the end of the booster stroke. , in order to realize the self-relieving pressure of the hydraulic system at the end of the stroke of the booster cylinder and reduce the shock of hydraulic reversing. Compared with the gas booster cylinder of the existing hydraulic compressor, the present invention can realize the self-relieving pressure of the hydraulic system at the stroke end of the booster cylinder and the effective buffering of the inertial load of the booster cylinder at the same time, and can significantly reduce the hydraulic reversing impact and reduce the inertia The effect of load impact can effectively increase the service life of the gas booster cylinder and reduce the overall operating vibration and noise of the hydraulic compressor, which has high engineering practical application value.

Description

technical field [0001] The invention relates to the field of petroleum equipment. More specifically, the present invention relates to a self-relieving adjustable buffer booster cylinder. Background technique [0002] Gas pressurization is widely used in the field of gas transportation, and the compressor is the key equipment for gas booster transportation. Hydraulic compressors have been widely used in natural gas refueling sub-stations because of their wide pressure range and relatively low cost. The gas booster cylinder is the core equipment of the hydraulic compressor. [0003] As people's awareness of environmental protection gradually increases, the vibration and noise of hydraulic compressors have gradually become an important indicator to measure the overall performance of the compressor. 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 ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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