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Liquefied natural gas pre-cooling device

A liquefied natural gas and condensing device technology, which is applied in liquefaction, refrigeration and liquefaction, cold treatment separation, etc., can solve the problems of reducing pre-cooling efficiency, sparks caused by static electricity, natural gas explosion, etc., and achieve the effect of increasing cooling speed

Inactive Publication Date: 2018-11-16
杨永红
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, when the technical public equipment liquefies natural gas, it generally adopts a fixed heat conduction method for pre-cooling. This method does not make it pre-cooled uniformly, which greatly reduces the efficiency of pre-cooling. The liquefied natural gas is easy to be separated from the equipment The inner wall is rubbed, under low temperature conditions, it is easy to generate static electricity, and static electricity is easy to generate sparks, which will cause dangerous consequences of natural gas explosion

Method used

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Embodiment Construction

[0021] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0022] see Figure 1-Figure 4 , the present invention provides a liquefied natural gas precooling device: its structure includes: an air inlet pipe 1, an antistatic precooling device 2, a controller 3, a protector 4, a pressure gauge 5, a liquid discharge pipe 6, the air inlet pipe 1 The left end is welded to the upper right of the anti-static pre-cooling device 2, the left surface of the anti-static pre-cooling device 2 is attached to the right surface of the controller 3 and fixed by screws, and the bottom of the controller 3 is provided with a protective 4 and is electrically connected by wires, the right end of the protector 4 is embedded in the lower left of the antistatic precooling device 2, the rear end of the pressure gauge 5 is embedded ...

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Abstract

The invention discloses a liquefied natural gas pre-cooling device. The liquefied natural gas pre-cooling device structurally comprises a gas inlet pipe, an anti-static pre-cooling device, a controller, a protector, a pressure gauge and a liquid discharge pipe; and the left end of the gas inlet pipe is welded with the right upper part of the anti-static pre-cooling device, the left surface of theanti-static pre-cooling device is attached to the right surface of the controller and is fixed through screws, and the protector is arranged below the controller and is electrically connected to the controller through wires. According to device, the anti-static pre-cooling device comprises a gas flow driving device, a transmission mechanism, a uniform cooling device, a rapid condensation device, aliquid flow starting device, a timing rotating mechanism and an anti-static device; and when liquefied natural gas is pre-cooled, the pre-cooling of the liquefied natural gas can be more uniform, thepre-cooling efficiency is improved, static electricity generated by friction between the liquefied natural gas and the inner wall of the device can be led outside, sparks are prevented from being generated inside the device, so that the safety capability is improved.

Description

technical field [0001] The invention is a liquefied natural gas precooling device, which belongs to the field of liquefied natural gas. Background technique [0002] At present, when the technical public equipment liquefies natural gas, it generally adopts a fixed heat conduction method for pre-cooling. This method does not make it pre-cooled uniformly, which greatly reduces the efficiency of pre-cooling. The liquefied natural gas is easy to be separated from the equipment The inner wall is rubbed, and under low temperature conditions, it is easy to generate static electricity, and static electricity is easy to generate sparks, which will cause the dangerous consequences of natural gas explosion. Contents of the invention [0003] Aiming at the deficiencies in the prior art, the object of the present invention is to provide a liquefied natural gas precooling device to solve the problem that the common equipment in the current technology generally adopts a fixed heat conduc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25J1/00F25J1/02
CPCF25J1/0022F25J1/0256F25J1/0257F25J2210/60F25J2290/90
Inventor 杨永红
Owner 杨永红
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