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Refrigeration under-pressure sample gas separation method

A separation method and sample gas technology, which is applied in separation methods, dispersed particle separation, chemical instruments and methods, etc., can solve the problem of unreliable and thorough automatic gas-liquid separation, automatic gas-liquid separation, and refrigeration temperature adjustment, etc. problem, to achieve the effect of simple and reliable gas-liquid separation process, automatic separation of gas-liquid without levers, and improvement of heat conduction capacity

Pending Publication Date: 2021-06-08
成都市倍诚分析技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the refrigeration temperature of the sample gas under pressure cannot be adjusted, and the automatic separation of gas and liquid cannot be realized reliably and thoroughly; since it is manually adjusted, it cannot realize automatic separation of gas and liquid without external force and lever, and the separation efficiency is poor, and the operation The process is more complicated

Method used

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  • Refrigeration under-pressure sample gas separation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] see figure 1 , a kind of refrigerated pressure sample gas separation method, comprises the following steps:

[0042] a. First pass the compressed gas into the vortex refrigerator 19 of the vortex refrigeration liquid discharge valve, then throttling and expanding the stainless steel bellows 16 to lower the temperature twice, and adjust the venting volume of the compressed gas through the first needle valve 18;

[0043] b. Control the refrigeration temperature of the compressed gas by adjusting the discharge volume of the first needle valve 18, control the sample gas output volume by adjusting the third needle valve 24, control the throttling expansion effect of the sample gas in the refrigeration stainless steel cylinder 15 and control the refrigeration stainless steel cylinder 15 The inner stainless steel wire mesh 26 obtains the cooling temperature of the compressed gas in the stainless steel bellows 16 through heat conduction, so that the cooling temperature of the c...

Embodiment 2

[0047] see figure 1 , a kind of refrigerated pressure sample gas separation method, comprises the following steps:

[0048] a. First pass the compressed gas into the vortex refrigerator 19 of the vortex refrigeration liquid discharge valve, then throttling and expanding the stainless steel bellows 16 to lower the temperature twice, and adjust the venting volume of the compressed gas through the first needle valve 18;

[0049] b. Control the refrigeration temperature of the compressed gas by adjusting the discharge volume of the first needle valve 18, control the sample gas output volume by adjusting the third needle valve 24, control the throttling expansion effect of the sample gas in the refrigeration stainless steel cylinder 15 and control the refrigeration stainless steel cylinder 15 The inner stainless steel wire mesh 26 obtains the cooling temperature of the compressed gas in the stainless steel bellows 16 through heat conduction, so that the cooling temperature of the c...

Embodiment 3

[0056] see figure 1 , a kind of refrigerated pressure sample gas separation method, comprises the following steps:

[0057] a. First pass the compressed gas into the vortex refrigerator 19 of the vortex refrigeration liquid discharge valve, then throttling and expanding the stainless steel bellows 16 to lower the temperature twice, and adjust the venting volume of the compressed gas through the first needle valve 18;

[0058] b. Control the refrigeration temperature of the compressed gas by adjusting the discharge volume of the first needle valve 18, control the sample gas output volume by adjusting the third needle valve 24, control the throttling expansion effect of the sample gas in the refrigeration stainless steel cylinder 15 and control the refrigeration stainless steel cylinder 15 The inner stainless steel wire mesh 26 obtains the cooling temperature of the compressed gas in the stainless steel bellows 16 through heat conduction, so that the cooling temperature of the c...

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Abstract

The invention discloses a refrigeration under-pressure sample gas separation method, which belongs to the technical field of gas-liquid separation, and is characterized by comprising the following steps that a, firstly compressed gas is introduced into a vortex refrigerator, and then throttling expansion is carried out through a stainless steel corrugated pipe for twice cooling; b, the refrigeration temperature of compressed gas is controlled by adjusting the emission amount of a first needle valve, the sample gas output amount is controlled by adjusting a third needle valve, the throttling expansion effect of the sample gas in a refrigeration stainless steel cylinder is controlled, and the refrigeration temperature of the compressed gas in a stainless steel corrugated pipe is obtained by controlling a stainless steel wire net in the refrigeration stainless steel cylinder through heat conduction, so that the refrigeration temperature of the compressed gas rises again; and c, the condensed and separated liquid phase enters the interlayer, the gas phase rises again and is discharged through a sample gas outlet pipe, and the liquid phase and fog drops are discharged from a liquid outlet in the bottom of the outer cylinder through a circular through hole. The refrigeration temperature of the sample gas under pressure can be adjusted, gas-liquid separation can be reliably and thoroughly carried out, the separation efficiency is greatly improved, and the whole gas-liquid separation process is simple and reliable.

Description

technical field [0001] The invention relates to the technical field of gas-liquid separation, in particular to a method for separating gas under pressure with refrigeration. Background technique [0002] The gas-liquid separator can be installed at the inlet and outlet of the gas compressor for gas-liquid separation. It can be used for gas phase demisting of various gas washing towers, absorption towers and desorption towers. The gas-liquid separator can also be used in various industrial and civil occasions such as gas dust removal, oil-water separation and liquid removal of impurities. [0003] The commonly used separation method of gas-liquid separator is gravity sedimentation method. Due to the difference in specific gravity between gas and liquid, when the liquid flows together with the gas, the liquid will be subjected to a greater force of gravity, resulting in a downward velocity, while the gas still flows in the original direction, that is, the liquid and the gas ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D5/00B01D53/00
CPCB01D53/002B01D5/009B01D5/0021B01D5/0036B01D5/0045B01D5/0051B01D5/0054
Inventor 魏东魏闻
Owner 成都市倍诚分析技术有限公司
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