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Compressor stone wall line anti-surge control system

A compressor and anti-surge technology, applied in pump control, mechanical equipment, machine/engine, etc., can solve problems such as explosion and gas leakage, to ensure the temperature of the refrigerant, reduce the surge phenomenon, and reduce the stone wall phenomenon Effect

Pending Publication Date: 2020-12-04
中天合创能源有限责任公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There may even be vicious accidents such as rotor and stator components colliding, pressure-fed gas leaking, causing explosions, etc.

Method used

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  • Compressor stone wall line anti-surge control system

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Embodiment Construction

[0007] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0008] Such as figure 1 As shown, a compressor stone wall line anti-surge control system includes a compressor, a supply pipeline for supplying propylene to be compressed into the compressor, and a suction tank group. The compressor includes a section of compression chambers 1 and 2 connected in sequence. stage compression chamber 2 and three stage compression chamber 3, and the described propylene supply pipeline to be compressed comprises one stage suction pipeline 9, two stage suction pipeline 11, three stage discharge pipeline 7, four stage suction pipeline 13 and four stage discharge pipeline 8, so Said suction tank group includes one-stage suction tank 4, two-stage suction tank 5 and four-stage suction tank 6, said one-stage compression chamber 1 is connected with one-stage suction tank 4 through one-stage suction pipeline 9, and said s...

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Abstract

A compressor stone wall line anti-surge control system comprises a 3MCL1007 type compressor, suction tanks and suction and discharge pipelines, the suction tanks and the suction and discharge pipelines provide propylene to be compressed for the interior of the compressor, the compressor is a centrifugal compressor composed of seven stages of impellers, and a machine shell is of a horizontal splittype. A compressor body is mainly composed of a stator (the machine shell, a partition plate and a seal), a rotor (a shaft, the impellers, a spacer bush, a balance disc, a shaft sleeve, a half coupling and the like), a supporting bearing, a thrust bearing and a shaft end seal. A suction tank set comprises the first-section suction tank, the second-section suction tank and the fourth-section suction tank. The suction and discharge pipelines comprise the first-section suction pipeline, the second-section suction pipeline, the third-section discharge pipeline, the fourth-section suction pipelineand the fourth-section discharge pipeline, and the first-section suction pipeline, the second-section suction pipeline, the third-section discharge pipeline, the fourth-section suction pipeline and the fourth-section discharge pipeline are correspondingly connected with first-stage impeller suction, second-stage impeller suction, third-stage impeller discharge, fifth-stage impeller suction and seventh-stage impeller discharge of the compressor.

Description

technical field [0001] The invention relates to the technical field of anti-surge systems, in particular to an anti-surge control system for compressor stone wall lines. Background technique [0002] At present, after the compressor compresses propylene, the compressed propylene gas can be directly provided to the rectification column reboiler as a heating source, and after cooling, it can be used as a propylene refrigerant to provide cooling capacity for users. When the compressor compresses propylene, surge will occur due to insufficient suction flow of propylene. By setting up multi-section pipeline suction and returning the propylene gas at the outlet of some pipelines as cooling capacity to the suction pipeline to reduce the occurrence of surge phenomenon . If too much is sucked back as propylene gas providing cooling, stone wall phenomenon will occur. The stone wall phenomenon is because the excess propylene gas refrigerant cannot be discharged to the next-stage impe...

Claims

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Application Information

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IPC IPC(8): F04D27/02F04D17/12F04D29/00
CPCF04D17/12F04D27/0253F04D29/002
Inventor 柳先友王建业冀晓举
Owner 中天合创能源有限责任公司
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