CN211263334U - Gas carrier system for gas chromatograph - Google Patents
Gas carrier system for gas chromatograph Download PDFInfo
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- CN211263334U CN211263334U CN201922493347.5U CN201922493347U CN211263334U CN 211263334 U CN211263334 U CN 211263334U CN 201922493347 U CN201922493347 U CN 201922493347U CN 211263334 U CN211263334 U CN 211263334U
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- gas
- main part
- air
- carrier gas
- chromatograph
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Abstract
The utility model discloses a: the utility model provides a carrier gas system for gas chromatograph, comprising a main body, main part one side is equipped with the air inlet, the air inlet passes through the air duct and connects carrier gas jar, the main part opposite side is equipped with the gas outlet, the gas outlet passes through the air duct and connects the chromatograph, the main part top is equipped with disappointing device, disappointing device includes the barometer, the release valve is connected to the barometer below, release valve mechanical seal is in the main part, the inside gasbag that is equipped with of main part, the one end of gas tube is connected to the gasbag, the gas tube mechanical seal is in the main part below, the air pump is connected to the other end of gas tube, after the carrier gas jar is absolutely spent again, can be quick discharge the residual gas of carrier gas.
Description
Technical Field
The utility model discloses be applied to the machine-building technical field, specifically be a carrier gas system for gas chromatograph.
Background
Gas chromatograph is a chromatographic analysis instrument using gas as mobile phase, and its principle mainly utilizes the difference of boiling point, polarity and adsorption property of material to implement separation of mixture, after the sample to be analyzed is gasified in gasification chamber, the inert gas (i.e. carrier gas, also called mobile phase) is brought into chromatographic column, the column contains liquid or solid fixed phase, and all the components in the sample are inclined to form distribution or adsorption equilibrium between mobile phase and fixed phase, and the carrier gas is mobile phase, and is the material for carrying tested material into the chromatographic column, and the carrier gas of gas chromatograph is mostly hydrogen, after the gas is cut off, it is easy to cause accident, not only can damage the instrument, but also can affect normal operation of production.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a carrier gas system for gas chromatograph to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a carrier gas system for gas chromatograph, includes the main part, main part one side is equipped with the air inlet, the air inlet passes through the air duct and connects year gas pitcher, the main part opposite side is equipped with the gas outlet, the gas outlet passes through the chromatograph is connected to the air duct, the main part top is equipped with disappointing device, disappointing device includes the barometer, the release valve is connected to the barometer below, it is in to lose heart valve mechanical seal in the main part, the inside gasbag that is equipped with of main part, the one end of gas tube is connected to the gasbag, gas tube mechanical seal is in the main part below, the air pump is connected to the other end of.
Preferably, the main body is externally provided with an insulating layer.
Preferably, the joints at the two ends of the air duct and the air escape valve are provided with one-way valves.
Preferably, a pressure sensing device is arranged on the air bag and electrically connected with the air pump.
Compared with the prior art, the beneficial effects of the utility model are that: after the carrier gas tank is cut off, residual gas in the carrier gas system can be rapidly discharged through the air bag and the air release device, so that accidents and instrument damage are prevented.
Drawings
Fig. 1 shows a carrier gas system of a gas chromatograph.
Wherein; the device comprises a main body 1, an air inlet 2, an air duct 3, an air carrying tank 4, an air outlet 5, a chromatograph 6, an air release device 7, a barometer 71, an air release valve 72, an air bag 8, an air inflation tube 9, an air pump 10, a heat insulation layer 11, a one-way valve 12 and a pressure sensing device 13.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a carrier gas system for gas chromatograph, includes main part 1, 1 one side of main part is equipped with air inlet 2, air inlet 2 connects carrier gas jar 4 through air duct 3, 1 opposite side of main part is equipped with gas outlet 5, gas outlet 5 passes through 3 connection chromatographs of air duct 6, 1 tops of main part are equipped with disappointing device 7, disappointing device 7 includes barometer 71, disappointing valve 72 is connected to barometer 71 below, disappointing valve 72 mechanical seal is in main part 1, the inside gasbag 8 that is equipped with of main part 1, the one end of gas tube 9 is connected to gasbag 8, gas tube 9 mechanical seal is in 1 below of main part, air pump 10 is connected to the other end of gas tube 9.
Specifically, the main body 1 is provided with an insulating layer 11 on the outside.
The gas temperature in the system is more stable, and the accuracy of the gas data analyzed by the chromatograph is ensured.
Specifically, check valves 12 are arranged at joints at two ends of the air duct 3 and at the air escape valve 72.
Preventing backflow of gas.
Specifically, a pressure sensing device 13 is disposed on the airbag 8, and the pressure sensing device 13 is electrically connected to the air pump 10.
When the air bag is expanded and filled in the main body, the function of automatically cutting off the electric pump is achieved.
Working principle; after the carrier gas jar is disconnected gas, can be full of gas in the main part, open the air pump, the gasbag can expand until being full of whole main part, extrudes remaining gas out of the main part, discharges through the snuffle valve, when reuse carrier gas system, can not influence production through the gas discharge in the air pump to the gasbag, also can prevent the emergence accident.
In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A carrier gas system for a gas chromatograph, comprising a body (1), characterized in that; main part (1) one side is equipped with air inlet (2), air inlet (2) are connected year gas jar (4) through air duct (3), main part (1) opposite side is equipped with gas outlet (5), gas outlet (5) are passed through chromatograph (6) are connected in air duct (3), main part (1) top is equipped with disappointing device (7), it includes barometer (71) to lose heart device (7), release valve (72) are connected to barometer (71) below, release valve (72) mechanical seal is in on main part (1), main part (1) inside is equipped with gasbag (8), the one end of gas tube (9) is connected in gasbag (8), gas tube (9) mechanical seal is in main part (1) below, air pump (10) is connected to the other end of gas tube (9).
2. A carrier gas system for a gas chromatograph according to claim 1, wherein; the main body (1) is externally provided with a heat-insulating layer (11).
3. A carrier gas system for a gas chromatograph according to claim 1, wherein; and one-way valves (12) are arranged at joints at two ends of the air duct (3) and the air escape valve (72).
4. A carrier gas system for a gas chromatograph according to claim 1, wherein; and a pressure sensing device (13) is arranged on the air bag (8), and the pressure sensing device (13) is electrically connected with the air pump (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922493347.5U CN211263334U (en) | 2019-12-31 | 2019-12-31 | Gas carrier system for gas chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922493347.5U CN211263334U (en) | 2019-12-31 | 2019-12-31 | Gas carrier system for gas chromatograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211263334U true CN211263334U (en) | 2020-08-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922493347.5U Active CN211263334U (en) | 2019-12-31 | 2019-12-31 | Gas carrier system for gas chromatograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211263334U (en) |
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2019
- 2019-12-31 CN CN201922493347.5U patent/CN211263334U/en active Active
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