CN216998597U - Hydrogen generator for gas chromatograph - Google Patents
Hydrogen generator for gas chromatograph Download PDFInfo
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- CN216998597U CN216998597U CN202123245500.6U CN202123245500U CN216998597U CN 216998597 U CN216998597 U CN 216998597U CN 202123245500 U CN202123245500 U CN 202123245500U CN 216998597 U CN216998597 U CN 216998597U
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- storage tank
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- hydrogen
- way joint
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Abstract
The utility model relates to the technical field of hydrogen generators, and particularly discloses a hydrogen generator for a gas chromatograph, wherein a liquid level display for observing the water level in a water storage tank and a flow display for observing the hydrogen generation amount of an electrolytic tank are arranged on the front wall of a shell, the output end of a peristaltic pump is connected with the water inlet of the water storage tank, the water outlet of the water storage tank is connected with the water inlet of the electrolytic tank, the hydrogen outlet of the electrolytic tank is sequentially connected with a first three-way joint, a gas container, a check valve and a purification pipe in series, the gas outlet of the purification pipe is connected with a four-way joint, two ports of the four-way joint are respectively connected with a second three-way joint and a pressure display, the fourth port of the four-way joint is connected with a hydrogen output port, the pressure display is arranged on the front wall of the shell, the other two ends of the second three-way joint are respectively connected with a pressure sensor and a pressure alarm, the oxygen outlet of the electrolytic tank is connected with the water storage tank, the water storage tank is provided with an oxygen emptying port; solves the problem that the hydrogen generator is inconvenient to safely and efficiently apply.
Description
Technical Field
The utility model relates to the technical field of hydrogen generator devices, in particular to a hydrogen generator for a gas chromatograph.
Background
The chromatograph is a common analysis and detection instrument, has high separation efficiency and simple quantitative analysis, and is often equipped with an FID detector. The FID detector uses hydrogen flame as an ignition source, a hydrogen steel cylinder is used as a gas source in traditional laboratory analysis, the volume is large, the pressure is large, the danger coefficient is high, the carrying is inconvenient, and the condition of emergency environment field use is not provided, so that a hydrogen generator is often used as the gas source of the FID detector. However, the conventional hydrogen generator has low purity of generated hydrogen due to design defects, and cannot meet the purity requirement of a chromatographic analyzer, so that the problem of flameout of the FID detector sometimes occurs; the volume is large, and the use and the carrying process are inconvenient; due to the flammable and explosive characteristics of hydrogen, the related alarm device is not perfect.
SUMMERY OF THE UTILITY MODEL
The utility model designs a hydrogen generator for a gas chromatograph, aiming at solving the problem that the hydrogen generator in the prior art is inconvenient to safely and efficiently apply.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a hydrogen generator for gas chromatograph, includes the casing, electrolysis trough and water storage tank are installed to casing inner chamber bottom surface, the lateral wall of casing still fixed mounting have gas capacity, peristaltic pump, pressure sensor and pressure alarm, wall fixed mounting has the purge tube and ends the flow valve behind the casing, casing antetheca fixed mounting has and is used for observing the liquid level display of water storage tank water level and is used for observing the flow display of electrolysis trough hydrogen formation volume, the output of peristaltic pump with the water inlet of water storage tank links to each other, the delivery port of water storage tank with the water inlet of electrolysis trough links to each other, the hydrogen export of electrolysis trough has series connection in proper order to have first three way connection, gas capacity, ends flow valve and purge tube, the gas outlet of purge tube is connected with the cross connection, two ports of cross connection are connected with second three way connection and pressure display respectively, and the fourth port of four way connection is connected with the hydrogen delivery outlet, pressure display install in the casing antetheca, the other both ends of second three way connection respectively with pressure sensor and pressure alarm link to each other, the oxygen export of electrolysis trough with the water storage tank links to each other, the water storage tank is provided with oxygen evacuation port.
Preferably, a fan is fixedly mounted on the side wall of the shell, and a plurality of vent holes are formed in the side wall of the shell corresponding to the position of the fan.
Preferably, the purge tube is organic glass material, just one or more in the silica gel, molecular sieve or the active carbon that discolour is filled with in the purge tube.
Preferably, the back of the shell is provided with a groove, and the purification pipe is arranged in the groove.
Preferably, the electrolytic bath and the water storage tank are both made of stainless steel.
Preferably, handles are arranged on the front faces of the shells in pairs.
Compared with the prior art, the utility model has the beneficial effects that:
1. the hydrogen generator realizes parameter visualization in the hydrogen production process, and is provided with the alarm, so that the safety performance of the hydrogen generator is effectively improved.
2. The hydrogen generator improves the purity of the produced hydrogen, thereby being convenient for meeting the requirement of a gas chromatograph on the gas purity.
Drawings
FIG. 1 is a schematic top view of the present invention;
fig. 2 is a schematic view of the gas circuit and water circuit connection structure of the present invention.
In the figure: 1-a shell; 101-a handle; 2-air capacity; 3-a peristaltic pump; 4-an electrolytic cell; 5-a flow display; 6-pressure display; 7-a water storage tank; 8-a liquid level display; a 9-four-way joint; 10-a pressure sensor; 11-a fan; 12-a pressure alarm; 13-a purge tube; 14-a check valve; 15-a first three-way joint; 16-second three-way connection.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the utility model provides a technical scheme, a hydrogen generator for a gas chromatograph comprises a shell 1, an electrolytic tank 4 and a water storage tank 7 are installed on the bottom surface of an inner cavity of the shell 1, a gas container 2, a peristaltic pump 3, a pressure sensor 10 and a pressure alarm 12 are fixedly installed on the side wall of the shell 1, a purifying pipe 13 and a check valve 14 are fixedly installed on the rear wall of the shell 1, a liquid level display 8 for observing the water level in the water storage tank 7 and a flow display 5 for observing the hydrogen generation amount of the electrolytic tank 4 are fixedly installed on the front wall of the shell 1, the output end of the peristaltic pump 3 is connected with the water inlet of the water storage tank 7, the water outlet of the water storage tank 7 is connected with the water inlet of the electrolytic tank 4, the hydrogen outlet of the electrolytic tank 4 is sequentially connected with a first three-way joint 15, the gas container 2, the check valve 14 and the purifying pipe 13 in series, the gas outlet of the purifying pipe 13 is connected with a four-way joint 9, two ports of the four-way joint 9 are respectively connected with a second three-way joint 16 and a pressure display 6, a fourth port of the four-way joint 9 is connected with a hydrogen output port, the pressure display 6 is installed on the front wall of the shell 1, the other two ends of the second three-way joint 16 are respectively connected with a pressure sensor 10 and a pressure alarm 12, an oxygen outlet of the electrolytic tank 4 is connected with the water storage tank 7, and the water storage tank 7 is provided with an oxygen emptying port.
In this embodiment, a fan 11 is fixedly installed on the side wall of the housing 1, and a plurality of vent holes are formed in the side wall of the housing 1 corresponding to the position of the fan 11.
In this embodiment, the purification tube 13 is made of organic glass, and one or more of allochroic silica gel, molecular sieve or activated carbon are filled in the purification tube 13.
In this embodiment, a groove is provided on the back of the housing 1, and the purification tube 13 is installed in the groove.
In this embodiment, the electrolytic bath 4 and the water storage tank 7 are both made of stainless steel.
In this embodiment, the handles 101 are provided in pairs on the front surface of the housing 1.
The working principle is as follows: the peristaltic pump 3 pumps the secondary distilled water meeting the electrolysis requirement into the water storage tank 7, the distilled water flows into the anode chamber of the electrolytic cell 4 from the water storage tank 7 and is electrolyzed, and the generated oxygen is discharged into the water storage tank 7 from the anode chamber and is discharged through an oxygen discharge port of the water storage tank 7; h+With the hydrated ion (H +. XH)2O) reaches the cathode chamber through a diaphragm, hydrogen is generated after electrons are absorbed, the hydrogen is discharged from the cathode chamber, enters the gas container 2 through the first three-way joint 15, enters the purifying pipe 13 through the check valve 14, is purified, and then is input into the gas chromatograph through a hydrogen output port connected with the four-way joint 9.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a hydrogen generator for gas chromatograph, includes casing (1), electrolysis trough (4) and water storage tank (7) are installed to casing (1) inner chamber bottom surface, its characterized in that: the lateral wall of casing (1) still fixed mounting have gas container (2), peristaltic pump (3), pressure sensor (10) and pressure alarm (12), casing (1) back wall fixed mounting has purifying tube (13) and flow stopping valve (14), casing (1) antetheca fixed mounting has and is used for observing liquid level display (8) of water storage tank (7) water level and is used for observing flow display (5) of electrolysis trough (4) hydrogen formation volume, the output of peristaltic pump (3) with the water inlet of water storage tank (7) links to each other, the delivery port of water storage tank (7) with the water inlet of electrolysis trough (4) links to each other, the hydrogen export of electrolysis trough (4) series connection has first three way connection (15), gas container (2), flow stopping valve (14) and purifying tube (13) in proper order, the gas outlet of purifying tube (13) is connected with four way connection (9), two ports of four-way joint (9) are connected with second three way joint (16) and pressure display (6) respectively, just the fourth port of four-way joint (9) is connected with the hydrogen delivery outlet, pressure display (6) install in casing (1) antetheca, the other both ends of second three way joint (16) respectively with pressure sensor (10) and pressure alarm (12) link to each other, the oxygen export of electrolysis trough (4) with water storage tank (7) link to each other, water storage tank (7) are provided with oxygen evacuation port.
2. The hydrogen generator for gas chromatograph of claim 1, wherein: the fan (11) is fixedly mounted on the side wall of the shell (1), and a plurality of vent holes are formed in the side wall of the shell (1) corresponding to the position of the fan (11).
3. The hydrogen generator for a gas chromatograph of claim 1, wherein: the purifying tube (13) is made of organic glass, and one or more of allochroic silica gel, molecular sieves or activated carbon are filled in the purifying tube (13).
4. The hydrogen generator for gas chromatograph of claim 1, wherein: the back of the shell (1) is provided with a groove, and the purifying tube (13) is arranged in the groove.
5. The hydrogen generator for a gas chromatograph of claim 1, wherein: the electrolytic tank (4) and the water storage tank (7) are both made of stainless steel.
6. The hydrogen generator for gas chromatograph of claim 1, wherein: handles (101) are arranged on the front surface of the shell (1) in pairs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123245500.6U CN216998597U (en) | 2021-12-22 | 2021-12-22 | Hydrogen generator for gas chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123245500.6U CN216998597U (en) | 2021-12-22 | 2021-12-22 | Hydrogen generator for gas chromatograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216998597U true CN216998597U (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123245500.6U Active CN216998597U (en) | 2021-12-22 | 2021-12-22 | Hydrogen generator for gas chromatograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216998597U (en) |
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2021
- 2021-12-22 CN CN202123245500.6U patent/CN216998597U/en active Active
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