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Precooling compressor capable of improving intake efficiency

A technology for air intake efficiency and compressors, which is applied to mechanical equipment, machines/engines, liquid fuel engines, etc., can solve problems such as low intake rate and compression efficiency, and achieve improved air intake efficiency and overall work efficiency Effect

Inactive Publication Date: 2017-02-15
盐城大丰猛斯特机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] During the liquefaction process of natural gas, pre-cooling treatment is often required to ensure the stability of the liquefaction process; the existing pre-cooling is achieved by compressing the cold source gas, and the current pre-cooling compressor is performing cold source During the compression process of gas, its overall compression efficiency is often affected due to the low intake rate

Method used

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  • Precooling compressor capable of improving intake efficiency

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Experimental program
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Effect test

Embodiment 1

[0013] Such as figure 1 A pre-cooling compressor that can improve air intake efficiency is shown, which includes a compressor housing 1, an air inlet port 2 and an air outlet port 3 are arranged on the compressor housing 1, and the inside of the compressor housing 1 is arranged There is a compression chamber 4, the inlet port 2 and the outlet port 3 are respectively connected to the inside of the compression chamber 4, and the inside of the compression chamber 4 is provided with a male screw rotor 5 and a female screw rotor 6 that mesh with each other, and the male screw rotor 5 passes through the motor. 7 to drive; the compressor housing 1 is provided with a lubricating oil chamber 8, which communicates with the compression chamber 4; the air intake port 2 includes a first The pipe section 201 , the second pipe section 202 and the third pipe section 203 , wherein the diameter of the first pipe section 201 gradually decreases from top to bottom, and the diameter of the third p...

Embodiment 2

[0016] As an improvement of the present invention, the corresponding position of the air intake port 2 is provided with a plurality of auxiliary air intake devices, which include a plurality of auxiliary air intake chambers 9 arranged at the side ends of the air intake port 2, the auxiliary air intake chambers 9 leads to the inside of the air intake port 2; the inside of the auxiliary air intake chamber 9 is provided with an air intake shaft 10 extending obliquely downwards, which is driven by an air intake motor 11 arranged outside the auxiliary air intake chamber 9, and the intake shaft A plurality of air inlet vanes 12 are arranged above the 10 . Adopting the above-mentioned technical scheme, it can form an airflow extending obliquely downward inside the air inlet port through the setting of the air inlet shaft in the auxiliary air inlet chamber and the air inlet vane, so that the cold source in the air inlet state in the air inlet port The gas can be processed at an accele...

Embodiment 3

[0019] As an improvement of the present invention, at least three auxiliary air intake chambers 9 are arranged above the air intake port, all of which are connected to the second pipe section 202 of the air intake port. By adopting the above technical solution, it can form a uniform airflow propelling effect on the cold source gas inside the intake port through the arrangement of a plurality of auxiliary intake chambers.

[0020] The remaining features and advantages of this embodiment are the same as those of Embodiment 2.

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Abstract

The invention discloses a precooling compressor capable of improving intake efficiency. The precooling compressor comprises a compressor shell; an intake port and an exhaust port are formed above the compressor shell; a compression cavity is formed in the compressor shell; a male screw rod rotor and a female screw rod rotor, engaged with each other, are arranged in the compression cavity; the male screw rod rotor is driven through a motor; a lubricating oil chamber is formed in the compressor shell; the intake port includes a first pipe section, a second pipe section and a third pipe section for extending in sequence from top to bottom in the vertical direction, wherein the diameter of the first pipe section is gradually decreased from top to bottom; and the diameter of the third pipe section is gradually increased from top to bottom. The precooling compressor capable of improving intake efficiency can quickly perform the intake treatment for cold source gas under the pressure difference effect at the intake phase of the compressor, improves the intake efficiency of the compressor, and improves the overall working efficiency of the compressor.

Description

technical field [0001] The invention relates to the field of fluid machinery, in particular to a precooling compressor capable of improving intake efficiency. Background technique [0002] During the liquefaction process of natural gas, pre-cooling treatment is often required to ensure the stability of the liquefaction process; the existing pre-cooling is achieved by compressing the cold source gas, and the current pre-cooling compressor is performing cold source During the compression process of gas, its overall compression efficiency is often affected due to the low intake rate. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a pre-cooling compressor, which can effectively improve the working efficiency of the compressor when compressing the cold source gas. [0004] In order to solve the above-mentioned technical problems, the present invention relates to a pre-cooling compressor that can improve the intake e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04C18/16F04C29/12F04C29/02
CPCF04C18/16F04C29/02F04C29/12F04C29/122
Inventor 黄飞跃
Owner 盐城大丰猛斯特机械有限公司
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