Acetylene gas purity detection device

A gas purity and detection device technology, which is applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems that the scale of the absorption tube cannot be marked, the absorption tube cannot be detected, and the detection cost is high, so as to prevent detachment, avoid aging, enhance The effect of fixed effects

Active Publication Date: 2016-08-17
TAICANG JINYANG GAS
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Problems solved by technology

[0002] In the production process of acetylene gas, the purity of acetylene gas is a very important indicator of the quality of acetylene gas. For example, the price of acetylene gas with a solubility of 98% is relatively low, and it is only suitable as a raw material for gas cutting, while acetylene gas with a solubility of more than 99.8% The gas is suitable for laboratory use, but because of its higher purity, it is also more expensive
[0003] However, after the production of acetylene gas, in order to verify the purity of acetylene gas, it is generally detected by gas chromatograph and other equipment, but the detection cost of this kind of equipment is relatively high, and it is not suitable for frequent sampling inspection of acetylene gas, so it is generally detected by acetylene gas absorption tube For detection, in the prior art, the national standard GB6819-2004 standard document discloses this

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  • Acetylene gas purity detection device
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  • Acetylene gas purity detection device

Examples

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Embodiment 1

[0039] Embodiment 1: as figure 1 As shown, a device for detecting the purity of acetylene gas includes a tube body 1 made of glass, and the tube body 1 sequentially includes a cup-shaped reaction liquid container 11, a first cock 12, and a scale 2 from top to bottom. The absorption pipe 13, the second cock 14 and the intake pipe 15 below the second cock 14. During the detection process, by connecting the tank filled with high-pressure acetylene gas with the intake pipe 15, and then opening the second cock 14 and the first cock 12, the acetylene gas enters the absorption pipe 13 to replace the air in the absorption pipe 13, The air is completely removed from the pipe body 1, and then the second cock 14 is closed to stop the supply of high-pressure acetylene gas, then the first cock 12 is closed, and then the first cock 12 is turned so that the internal air pressure of the absorption pipe 13 is the same as the external air pressure, Then the potassium bromide saturated solution...

Embodiment 2

[0048] In embodiment 2, a kind of acetylene gas purity detection device, such as figure 2 As shown, the difference between embodiment 2 and embodiment 1 is that the connection methods of the two are different. In embodiment 1, the reaction solution containing part 11, the first cock 12, the absorption pipe 13, the second cock 14 and the inlet pipe 15 It is formed by integral molding. In embodiment 2, the components are detachably connected through cocks.

[0049] Such as figure 2 As shown, the reaction solution container 11 is detachably connected through the first cock 12 , the two ends of the absorption pipe 13 are detachably connected to the first cock 12 and the second cock 14 , and the air inlet pipe 15 is detachably connected to the second cock 14 .

[0050] Such as Figure 4 and Figure 5 As shown, the detachable structure of the absorption pipe 13 and the first cock 12 is that the absorption pipe 13 and the first cock 12 are arranged separately, the upper end of t...

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Abstract

The invention discloses an acetylene gas purity detection device which comprises a tube body, the tube body sequentially comprises a reaction liquid containing portion, a first plug cock, an absorption tube provided with scales, a second plug cock and a gas inlet tube which can be communicated with one another; the first plug cock comprises a plug cock shell and a valve core rotatably arranged in the plug cock shell, the valve core is provided with a first through hole which enables the reaction liquid containing portion to be communicated with the absorption tube through rotation of the valve core, the plug cock shell is provided with a second through hole matched with the first through hole, and the inner wall of the second through hole above the absorption tube is provided with a protruding block for reducing the radial cross section area of the second through hole. By means of the mode of adding the protruding block, the size of the second through hole can be controlled accurately, the size of the second through hole can be adjusted according to the volume of the absorption tube, and the liquid level of a tetrabromoethane solution is controlled to be lower than the first plug cock.

Description

technical field [0001] The invention relates to the field of gas purity detection equipment, in particular to an acetylene gas purity detection device. Background technique [0002] In the production process of acetylene gas, the purity of acetylene gas is a very important indicator of the quality of acetylene gas. For example, the price of acetylene gas with a solubility of 98% is relatively low, and it is only suitable as a raw material for gas cutting, while acetylene gas with a solubility of more than 99.8% The gas is suitable for laboratory use, but because of its higher purity, it is also more expensive. [0003] However, after the production of acetylene gas, in order to verify the purity of acetylene gas, it is generally detected by gas chromatograph and other equipment, but the detection cost of this kind of equipment is relatively high, and it is not suitable for frequent sampling inspection of acetylene gas, so it is generally detected by acetylene gas absorption ...

Claims

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Application Information

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IPC IPC(8): G01N33/00
CPCG01N33/0047
Inventor 倪学仁
Owner TAICANG JINYANG GAS
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