CN211627468U - Gas chromatograph's detection device that admits air - Google Patents
Gas chromatograph's detection device that admits air Download PDFInfo
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- CN211627468U CN211627468U CN202020327741.1U CN202020327741U CN211627468U CN 211627468 U CN211627468 U CN 211627468U CN 202020327741 U CN202020327741 U CN 202020327741U CN 211627468 U CN211627468 U CN 211627468U
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Abstract
The utility model provides a gas chromatograph's detection device that admits air. In the technical scheme, the gas chromatograph is conventional chromatographic analysis equipment, the gas outlet is of an existing structure, the first latex tube and the short glass tube are used for guiding gas from the gas outlet into the gas washing bottle and then guiding the gas into a water body in the conical flask through the long glass tube and the second latex tube, and whether the gas is exactly discharged from the gas outlet of the gas chromatograph can be conveniently judged by judging whether bubbles are generated in the water body, so that the gas inlet condition is determined and the gas sample inlet amount is estimated. In the process, the gas washing bottle is used for preventing moisture from entering the instrument when a back suction phenomenon occurs; the sand stone is used for playing a weight balancing role on the gas washing bottle, so that the probability of toppling of the gas washing bottle is reduced; the end caps are used for fixing the short glass tube and the long glass tube. Use the utility model discloses, whether can be more effective, audio-visual gaseous entering instrument and estimation gas sample volume size of confirming to reduce the incidence of maloperation, improve experimental efficiency.
Description
Technical Field
The utility model relates to a gas chromatograph technical field, concretely relates to gas chromatograph's detection device that admits air.
Background
The gas chromatograph is a chromatographic analysis device using gas as a mobile phase. The principle is mainly to realize the separation of the mixture by utilizing the differences of the boiling point, the polarity and the adsorption property of the substances. The sample to be analyzed is carried into a chromatographic column by a mobile phase after being gasified in a gasification chamber, the column contains a liquid or solid fixed phase, and all components in the sample tend to form distribution or adsorption equilibrium between the mobile phase and the fixed phase. With the flowing of the carrier gas, the sample components are repeatedly distributed or adsorbed/desorbed in the movement for many times, the components with high distribution concentration in the mobile phase flow out of the chromatographic column firstly, the components with high distribution concentration in the fixed phase flow out of the chromatographic column, and the components flow out of the chromatographic column and enter the detector for determination.
In the prior art, only one small pipeline is arranged on a gas inlet and a gas outlet of a gas chromatograph, so that an operator cannot determine whether gas enters the gas chromatograph or not during gas inlet, the gas inlet amount is difficult to estimate, and sometimes, the gas is not introduced and may enter an empty needle, so that data analysis errors are caused.
Disclosure of Invention
The utility model discloses aim at providing a gas chromatograph's detection device that admits air to solve the chromatograph when admitting air, whether operating personnel can't confirm that gas gets into the instrument, also is difficult to estimate the technical problem of gas sample introduction volume size.
In order to realize the technical purpose, the utility model adopts the following technical scheme:
gas chromatograph's detection device that admits air, including gas chromatograph, the gas outlet, first latex tube, short glass tube, gas washing bottle, the end cover, long glass tube, the grit, the second latex tube, the erlenmeyer flask, the water, wherein gas chromatograph's gas outlet is connected with the upper end of short glass tube through first latex tube, gas washing bottle's port is connected with the end cover, short glass tube's lower extreme passes the end cover and stretches into to the below of end cover, long glass tube's lower extreme passes the end cover and stretches into to gas washing bottle's bottom surface department, the splendid attire has the grit in gas washing bottle, long glass tube's upper end is connected with the one end of second latex tube, the other end of second latex tube stretches into in the erlenmeyer flask, the splendid attire has the water in the erlenmeyer flask, the port of the other end of second latex tube is located below the.
Preferably, the short glass tube and the long glass tube each have a bulge portion located outside the gas washing bottle.
Preferably, the water body comprises pure water.
Preferably, the total weight of the sand is greater than the weight of the scrubbing bottle.
Preferably, the upper port of the erlenmeyer flask is in an open state.
The utility model provides a gas chromatograph's detection device that admits air. In the technical scheme, the gas chromatograph is conventional chromatographic analysis equipment, the gas outlet is of an existing structure, the first latex tube and the short glass tube are used for guiding gas from the gas outlet into the gas washing bottle and then guiding the gas into a water body in the conical flask through the long glass tube and the second latex tube, and whether the gas is exactly discharged from the gas outlet of the gas chromatograph can be conveniently judged by judging whether bubbles are generated in the water body, so that the gas inlet condition is determined and the gas sample inlet amount is estimated. In the process, the gas washing bottle is used for preventing moisture from entering the instrument when a back suction phenomenon occurs; the sand stone is used for playing a weight balancing role on the gas washing bottle, so that the probability of toppling of the gas washing bottle is reduced; the end caps are used for fixing the short glass tube and the long glass tube. Use the utility model discloses, whether can be more effective, audio-visual gaseous entering instrument and estimation gas sample volume size of confirming to reduce the incidence of maloperation, improve experimental efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
in the figure:
1. gas chromatograph 2, gas outlet 3, first latex tube 4, short glass tube
5. Gas washing bottle 6, end cap 7, long glass tube 8, sandstone
9. A second latex tube 10, a conical flask 11 and a water body.
Detailed Description
The following will describe in detail specific embodiments of the present invention. Well-known structures or functions may not be described in detail in the following embodiments in order to avoid unnecessarily obscuring the details. Approximating language, as used herein in the following examples, may be applied to identify quantitative representations that could permissibly vary in number without resulting in a change in the basic function. Unless defined otherwise, technical and scientific terms used in the following examples have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
Example 1
An air inlet detection device of a gas chromatograph is shown in figure 1 and comprises a gas chromatograph 1, an air outlet 2, a first latex tube 3, a short glass tube 4, a gas washing bottle 5, an end cover 6, a long glass tube 7, sand 8, a second latex tube 9, a conical flask 10 and a water body 11, wherein the gas outlet 2 of the gas chromatograph 1 is connected with the upper end of a short glass tube 4 through a first latex tube 3, the port of a gas washing bottle 5 is connected with an end cover 6, the lower end of the short glass tube 4 passes through the end cover 6 and extends into the lower part of the end cover 6, the lower end of a long glass tube 7 passes through the end cover 6 and extends into the bottom surface of the gas washing bottle 5, the air washing bottle 5 is filled with gravels 8, the upper end of the long glass tube 7 is connected with one end of a second latex tube 9, the other end of the second latex tube 9 extends into the conical flask 10, the conical bottle 10 is filled with a water body 11, and the port of the other end of the second latex tube 9 is positioned below the liquid level of the water body 11.
The working principle of the device is as follows: the gas chromatograph 1 is a conventional chromatographic analysis device, the gas outlet 2 is of an existing structure, the first latex tube 3 and the short glass tube 4 are used for guiding gas from the gas outlet 2 into the gas washing bottle 5, then the gas is guided out of the water body 11 in the conical flask 10 through the long glass tube 7 and the second latex tube 9, whether the gas outlet 2 of the gas chromatograph 1 is actually discharged can be conveniently judged through whether bubbles are generated in the water body 11, and therefore the gas inlet condition is determined and the gas sample inlet amount is estimated. In the above process, the gas washing bottle 5 is used for preventing moisture from entering the instrument when a suck-back phenomenon occurs; the sand 8 is used for playing a weight-balancing role on the gas washing bottle 5 and reducing the probability of toppling over; the end caps 6 are used for fixing the short glass tube 4 and the long glass tube 7.
Example 2
An air inlet detection device of a gas chromatograph is shown in figure 1 and comprises a gas chromatograph 1, an air outlet 2, a first latex tube 3, a short glass tube 4, a gas washing bottle 5, an end cover 6, a long glass tube 7, sand 8, a second latex tube 9, a conical flask 10 and a water body 11, wherein the gas outlet 2 of the gas chromatograph 1 is connected with the upper end of a short glass tube 4 through a first latex tube 3, the port of a gas washing bottle 5 is connected with an end cover 6, the lower end of the short glass tube 4 passes through the end cover 6 and extends into the lower part of the end cover 6, the lower end of a long glass tube 7 passes through the end cover 6 and extends into the bottom surface of the gas washing bottle 5, the air washing bottle 5 is filled with gravels 8, the upper end of the long glass tube 7 is connected with one end of a second latex tube 9, the other end of the second latex tube 9 extends into the conical flask 10, the conical bottle 10 is filled with a water body 11, and the port of the other end of the second latex tube 9 is positioned below the liquid level of the water body 11. The short glass tube 4 and the long glass tube 7 each have a bulge portion located outside the gas washing bottle 5. The water body 11 is composed of pure water. The total weight of the sand 8 is greater than the weight of the gas washing bottle 5. The upper port of the erlenmeyer flask 10 is open.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement, and improvement made within the scope of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The gas inlet detection device of the gas chromatograph is characterized by comprising a gas chromatograph (1), a gas outlet (2), a first latex tube (3), a short glass tube (4), a gas washing bottle (5), an end cover (6), a long glass tube (7), gravels (8), a second latex tube (9), a conical flask (10) and a water body (11), wherein the gas outlet (2) of the gas chromatograph (1) is connected with the upper end of the short glass tube (4) through the first latex tube (3), the end opening of the gas washing bottle (5) is connected with the end cover (6), the lower end of the short glass tube (4) penetrates through the end cover (6) and extends into the lower part of the end cover (6), the lower end of the long glass tube (7) penetrates through the end cover (6) and extends into the bottom surface of the gas washing bottle (5), the gravels (8) are contained in the gas washing bottle (5), the upper end of the long glass tube (7) is connected with one end of the second latex tube (9), the other end of the second latex tube (9) extends into the conical flask (10), a water body (11) is contained in the conical flask (10), and the port of the other end of the second latex tube (9) is positioned below the liquid level of the water body (11).
2. The gas chromatograph intake air detection device according to claim 1, wherein the short glass tube (4) and the long glass tube (7) each have a bulge portion located outside the purge bottle (5).
3. The intake air detection apparatus for a gas chromatograph according to claim 1, wherein the component of the water body (11) is pure water.
4. Gas chromatograph inlet gas detection device according to claim 1, characterized in that the total weight of sand (8) is greater than the weight of the scrubber cylinder (5).
5. The gas chromatograph intake air detection device according to claim 1, wherein the upper port of the conical flask (10) is opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020327741.1U CN211627468U (en) | 2020-03-16 | 2020-03-16 | Gas chromatograph's detection device that admits air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020327741.1U CN211627468U (en) | 2020-03-16 | 2020-03-16 | Gas chromatograph's detection device that admits air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211627468U true CN211627468U (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020327741.1U Active CN211627468U (en) | 2020-03-16 | 2020-03-16 | Gas chromatograph's detection device that admits air |
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|---|---|
| CN (1) | CN211627468U (en) |
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2020
- 2020-03-16 CN CN202020327741.1U patent/CN211627468U/en active Active
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| CB03 | Change of inventor or designer information |
Inventor after: Mujianfeng Inventor after: Jia Dong Inventor after: Liu Bo Inventor after: Xi Liangkun Inventor after: Wang Fang Inventor after: Han Kedong Inventor after: Mou Ping Inventor after: Xiao Kaiwen Inventor after: Wang Hongtao Inventor after: Shen Hui Inventor before: Mu Jianfeng Inventor before: Jia Dong Inventor before: Liu Bo Inventor before: Xi Liangkun Inventor before: Wang Fang Inventor before: Han Kedong Inventor before: Mou Ping Inventor before: Xiao Kaiwen Inventor before: Wang Hongtao Inventor before: Shen Hui |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Mu Jianfeng Inventor after: Jia Dong Inventor after: Liu Bo Inventor after: Xi Liangkun Inventor after: Wang Fang Inventor after: Han Kedong Inventor after: Mou Ping Inventor after: Xiao Kaiwen Inventor after: Wang Hongtao Inventor after: Shen Hui Inventor before: Mujianfeng Inventor before: Jia Dong Inventor before: Liu Bo Inventor before: Xi Liangkun Inventor before: Wang Fang Inventor before: Han Kedong Inventor before: Mou Ping Inventor before: Xiao Kaiwen Inventor before: Wang Hongtao Inventor before: Shen Hui |
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| CB03 | Change of inventor or designer information |