Compression level switchable compressor and use method thereof

A compressor and compression stage technology, which is applied in the field of pipeline gas compression equipment, to achieve the effects of expanding benefits, saving equipment investment costs, and expanding the scope of applicable working conditions

Inactive Publication Date: 2017-07-07
SHANDONG KERUI COMPRESSOR
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Problems solved by technology

[0002] During the transshipment of pipeline gas (such as natural gas), it is often necessary to use reciprocating compressor

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  • Compression level switchable compressor and use method thereof
  • Compression level switchable compressor and use method thereof
  • Compression level switchable compressor and use method thereof

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[0014] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0015] During the transshipment of pipeline gas (such as natural gas), it is often necessary to use reciprocating compressor units to compress pipeline gas. After completion, only one level of compression and two levels of compression can be achieved. Therefore, it is necessary to provide a compressor with switchable compression stages. The purpose of the invention is to enable a single reciprocating compressor unit to switch the number of compression stages, that is, switch from one stage to multiple stages, through process design, and can Realize the non-stop online switching of the unit.

[00...

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Abstract

The invention discloses a compressor with switchable compression stages and a method for using the same, comprising a pipeline, an inlet valve and an outlet valve are arranged on the pipeline, and N parallel compressors are arranged on the pipeline between the inlet valve and the outlet valve. Pipelines, N≥2, each compression pipeline is provided with a front valve, a compression cylinder, and a rear valve in sequence; there is also a series-parallel regulating valve between any two adjacent compression pipelines, and the series-parallel regulating valve is located in the pipeline. One end is connected to the pipe between the compression cylinder and the rear valve of one of the compression lines, and the other end is connected to the pipe between the compression cylinder and the front valve of the other compression line. The compressor of the present invention can realize compression level switching.

Description

technical field [0001] The invention belongs to the technical field of pipeline gas compression equipment, and in particular relates to a compressor with switchable compression stages for compressing pipeline gas and a use method thereof. Background technique [0002] During the transshipment of pipeline gas (such as natural gas), it is often necessary to use reciprocating compressor units to compress pipeline gas. After completion, only one level of compression and two levels of compression can be achieved. Therefore, it is necessary to provide a compressor with switchable compression stages. The purpose of the invention is to enable a single reciprocating compressor unit to switch the number of compression stages, that is, switch from one stage to multiple stages, through process design, and can Realize the non-stop online switching of compression stages of the unit. Contents of the invention [0003] The object of the present invention is to provide a compressor w...

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Application Information

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IPC IPC(8): F04B39/00F17D1/02F17D3/01
CPCF04B39/00F17D1/02F17D3/01
Inventor 商业荣张永迁翟昭伟朱层峰孙纪伟杜胜池
Owner SHANDONG KERUI COMPRESSOR
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