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Method of feeding an inert gas and a system therefor

A technology of inert gas and exhaust pipes, applied in the direction of pipeline system, container filling method, gas/liquid distribution and storage, etc., can solve problems such as loss

Inactive Publication Date: 2006-12-06
ANEST IWATA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, in this case, the compressed gas in the compression chamber leaks into the crankcase through the outer peripheral surface of the piston and is lost unnecessarily.

Method used

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  • Method of feeding an inert gas and a system therefor
  • Method of feeding an inert gas and a system therefor

Examples

Experimental program
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Effect test

Embodiment Construction

[0012] In an inert gas source 1 such as a nitrogen inert gas generator or an inert gas cylinder filled with high-pressure nitrogen, a suction pipe 3 protruding from an outlet hole 2 is connected to a piston reciprocating compressor 9 via a supply valve 5 such as a two-way solenoid valve. Inlet 10, the compressor 9 has a piston 8 reciprocated in a cylinder by an electric motor.

[0013] An exhaust pipe 12 protruding from an outlet 11 of the piston reciprocating compressor 9 is connected to a high-pressure storage tank 14 through a check valve 13 . Between the outlet 11 and the non-return valve 13 , a safety valve such as a two-way solenoid valve 16 is connected to the pipe 12 .

[0014] The pressure switch 23 of the high-pressure storage tank 14 is connected with the controller 22 through the connection pipeline 24 .

[0015] A discharge valve 26 is connected to the discharge hole 25 of the high-pressure storage tank 14 . In order to fill the high-pressure storage tank 14 wit...

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PUM

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Abstract

An inert gas is fed from an inert gas source to a piston-reciprocating compressor and compressed therein. The compressed gas is sent to a high-pressure storage tank. Pressure of the gas in the high-pressure storage tank is detected. When it reaches an upper limit, the piston-reciprocating compressor is stopped by a controller. At the same time, the gas is not fed from the inert gas source into the piston-reciprocating compressor and the gas from the compressor is released to outside. Meanwhile, when the pressure of the gas in the high-pressure storage tank reaches to a lower limit, the compressor starts. At the same time, the inert gas source is allowed to communicate with the compressor, and the gas which reaches to a desired density after the gas is released is sent from the compressor to the tank.

Description

technical field [0001] The present invention relates to a method and system for compressing an inert gas from an inert gas source by means of a reciprocating piston compressor. Background technique [0002] Inert gases such as N in cylinders 2 or N 2 N produced in the generator 2 It is compressed by a booster compressor and sent to a high-pressure storage tank or component for use. [0003] Common piston reciprocating compressors are usually used as booster compressors. [0004] Inert gases are compressed by a reciprocating piston compressor. When the supply valve between the inert gas source and the compressor is closed, the air pressure on the piston in the compression chamber becomes less than atmospheric pressure so that air in the crankcase below the piston may intrude into the compression chamber through the outer peripheral surface of the piston. [0005] The inert gas is diluted with air so that the density of the inert gas in the compression chamber decreases. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17C5/06F17D1/02
CPCF04B41/02F04B49/022F04B49/03F17C5/00F17D1/02F17C5/06
Inventor 小川阳介饭田敏雄
Owner ANEST IWATA CORP