CN221425908U - Pressure reducing device for electrolytic tank pressurizing test - Google Patents
Pressure reducing device for electrolytic tank pressurizing test Download PDFInfo
- Publication number
- CN221425908U CN221425908U CN202322991287.6U CN202322991287U CN221425908U CN 221425908 U CN221425908 U CN 221425908U CN 202322991287 U CN202322991287 U CN 202322991287U CN 221425908 U CN221425908 U CN 221425908U
- Authority
- CN
- China
- Prior art keywords
- valve
- pressure reducing
- pressure
- filter
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 68
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 239000001257 hydrogen Substances 0.000 claims abstract description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 3
- 238000004519 manufacturing process Methods 0.000 claims abstract description 3
- 238000005868 electrolysis reaction Methods 0.000 claims abstract 10
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract 8
- 239000000463 material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 abstract description 3
- 239000008187 granular material Substances 0.000 abstract 2
- 230000007257 malfunction Effects 0.000 abstract 1
- 230000006837 decompression Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Landscapes
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The utility model provides a pressure reducing device for electrolysis trough is suppressed test, it includes the hose that is used for carrying out the electrolysis trough of hydrogen manufacturing and electrolysis trough one side connection, still includes stop valve, angle valve, relief port, proportion unloading valve, check valve, relief pressure valve, filter and nitrogen gas steel bottle, install the stop valve on the hose of connecting on the electrolysis trough, one side of stop valve is installed the angle valve through the pipeline, one side of angle valve is provided with the relief port through the pipeline, be connected with the nitrogen pipeline on the hose of stop valve, proportion unloading valve is installed to one end of nitrogen pipeline, the check valve is installed to the bottom of nitrogen pipeline, the relief pressure valve is installed to the nitrogen pipeline of one side of the check valve, this relief pressure valve can filter the granule impurity in the gas through the filter of configuration, avoid the impact damage of high-speed granule to the diaphragm in the electrolysis trough, the proportion unloading valve of configuration can avoid the pressure reducing system superpressure that the malfunction caused to the damage to key parts in the electrolysis trough.
Description
Technical Field
The utility model relates to a pressure reducing device, in particular to a pressure reducing device for an electrolytic tank pressurizing test.
Background
The newly assembled hydrogen production electrolytic tank needs to be subjected to air tightness and compressive strength test, and the electrolytic tank is generally directly pressurized by connecting a pressure reducing valve through a nitrogen steel cylinder at present, and key components (such as a diaphragm) in the electrolytic tank can be damaged by overpressure caused by failure of the pressure reducing valve and the like.
Disclosure of utility model
Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the pressure reducing device for the pressurizing test of the electrolytic tank, which effectively solves the problem that the critical parts (such as a diaphragm) in the electrolytic tank can be damaged by the overpressure caused by the failure of the pressure reducing valve and the like when the electrolytic tank is directly pressurized by connecting a pressure reducing valve through a nitrogen steel cylinder at present.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model comprises an electrolytic tank for producing hydrogen, a hose connected with one side of the electrolytic tank, a stop valve, an angle valve, a vent, a proportional unloading valve, a one-way valve, a pressure reducing valve, a filter and a nitrogen steel cylinder.
Preferably, the proportional unloading valve is connected with the emptying port through a pipeline.
Preferably, the shut-off valve, angle valve, vent, proportional relief valve, one-way valve, pressure relief valve and filter are secured to a stainless steel panel.
Preferably, the stop valve, the angle valve, the vent, the proportional unloading valve, the one-way valve, the pressure reducing valve, the filter and the nitrogen steel cylinder are all in 1/2NPT threaded connection.
Preferably, a filter screen is arranged on the emptying port.
Preferably, the nitrogen steel cylinder is made of high-pressure resistant materials.
The beneficial effects are that: when the pressure-reducing valve is used, nitrogen in the nitrogen steel cylinder sequentially passes through a filter, a pressure-reducing valve, a one-way valve and a stop valve which are arranged on the pressure-reducing valve group and is connected to an electrolytic tank through a hose to perform a pressurizing test; when the pressure reducing valve fails, the pressure behind the valve is increased sharply, the proportional unloading valve is opened, key components such as a diaphragm and the like are prevented from being damaged due to impact of nitrogen pressure entering the electrolytic tank caused by sharp increase, and in the pressurizing test process of the electrolytic tank, the opening of the pressure reducing valve can be increased gradually according to pressure change in the electrolytic tank, so that nitrogen enters the electrolytic tank in a buffering mode. The utility model has novel structure and ingenious conception, the pressure reducing valve group can filter particle impurities in gas through the configured filter, so that impact damage of high-speed particles to a diaphragm in the electrolytic tank is avoided, and the configured proportional unloading valve can avoid damage of overpressure of a pressurizing system to key components in the electrolytic tank caused by failure of the pressure reducing valve.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present utility model;
Reference numerals in the drawings: 1. an electrolytic cell; 2. a stop valve; 3. an angle valve; 4. an air vent; 5. a proportional unloading valve; 6. a one-way valve; 7. a pressure reducing valve; 8. a filter; 9. and (5) a nitrogen steel cylinder.
Detailed Description
The following describes the embodiment of the present utility model in further detail with reference to fig. 1.
The utility model provides a decompression device for an electrolytic tank pressurizing test, which comprises an electrolytic tank 1 for producing hydrogen, a hose connected with one side of the electrolytic tank 1, a stop valve 2, an angle valve 3, a vent 4, a proportional unloading valve 5, a one-way valve 6, a decompression valve 7, a filter 8 and a nitrogen steel cylinder 9, wherein the stop valve 2 is arranged on the hose connected with the electrolytic tank 1, the angle valve 3 is arranged on one side of the stop valve 2 through a pipeline, the vent 4 is arranged on one side of the angle valve 3 through a pipeline, a nitrogen pipeline is connected on the hose of the stop valve 2, the proportional unloading valve 5 is arranged at one end of the nitrogen pipeline, the one-way valve 6 is arranged at the bottom of the nitrogen pipeline, the decompression valve 7 is arranged on the nitrogen pipeline on one side of the one-way valve 6, the filter 8 is arranged on the nitrogen pipeline on one side of the decompression valve 7, and the nitrogen steel cylinder 9 is connected on one side of the filter 8 through a hose.
The proportional unloading valve 5 is connected with the emptying port 4 through a pipeline, so that the proportional unloading valve is convenient to use in a matched mode.
The stop valve 2, the angle valve 3, the vent 4, the proportional unloading valve 5, the one-way valve 6, the pressure reducing valve 7 and the filter 8 are fixed on a stainless steel panel, so that the installation and the use are convenient.
The stop valve 2, the angle valve 3, the vent 4, the proportional unloading valve 5, the one-way valve 6, the pressure reducing valve 7, the filter 8 and the nitrogen steel cylinder 9 are all in 1/2NPT threaded connection, so that the installation and the connection are convenient.
A filter screen is arranged on the emptying port 4 to avoid dust entering.
The nitrogen steel cylinder 9 is made of high-pressure resistant materials, so that the nitrogen steel cylinder 9 has good high-pressure resistant performance.
Working principle: when the utility model is used, nitrogen in the nitrogen steel cylinder 9 is connected to the electrolytic tank 1 through a hose to perform a pressurizing test on the electrolytic tank through a filter 8, a pressure reducing valve 7, a one-way valve 6 and a stop valve 2 which are arranged in the pressure reducing valve group in sequence; when the pressure reducing valve 7 fails, the pressure behind the valve is increased sharply, the proportional unloading valve 5 is opened, key components such as a diaphragm and the like are prevented from being damaged due to impact caused by the sharp increase of the pressure of nitrogen entering the electrolytic tank 1, and in the pressurizing test process of the electrolytic tank 1, the opening of the pressure reducing valve 7 can be increased gradually according to the pressure change in the electrolytic tank 1, so that the nitrogen enters the electrolytic tank 1 in a buffering mode.
The beneficial effects are that: the utility model has novel structure and ingenious conception, the pressure reducing valve group can filter particle impurities in gas through the configured filter 8, so that impact damage of high-speed particles to a diaphragm in the electrolytic tank 1 is avoided, and the configured proportional unloading valve 5 can avoid damage of overpressure of a pressurizing system to key components in the electrolytic tank 1 caused by failure of the pressure reducing valve 7.
The proportional unloading valve 5, the one-way valve 6, the pressure reducing valve 7 and the filter 8 all adopt the prior known structures, and are not described in detail herein.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides a pressure reducing device for electrolysis trough is suppressed test, includes electrolysis trough (1) and the hose of electrolysis trough (1) one side connection that is used for carrying out hydrogen manufacturing, its characterized in that: still include stop valve (2), angle valve (3), blow vent (4), proportion off-load valve (5), check valve (6), relief pressure valve (7), filter (8) and nitrogen gas steel bottle (9), install stop valve (2) on the hose of connecting on electrolysis trough (1), one side of stop valve (2) is through the pipe-line mounted angle valve (3), one side of angle valve (3) is provided with blow vent (4) through the pipeline, be connected with the nitrogen gas pipeline on the hose of stop valve (2), proportion off-load valve (5) are installed to the one end of nitrogen gas pipeline, check valve (6) are installed to the bottom of nitrogen gas pipeline, relief pressure valve (7) are installed to the nitrogen gas pipeline on one side of check valve (6), install filter (8) on the nitrogen gas pipeline on one side of relief pressure valve (7), one side of filter (8) is through hose connection nitrogen gas steel bottle (9).
2. The pressure reducing device for pressure test of an electrolytic cell according to claim 1, wherein: the proportional unloading valve (5) is connected with the emptying port (4) through a pipeline.
3. The pressure reducing device for pressure test of an electrolytic cell according to claim 1, wherein: the stop valve (2), the angle valve (3), the vent (4), the proportional unloading valve (5), the one-way valve (6), the pressure reducing valve (7) and the filter (8) are fixed on a stainless steel panel.
4. The pressure reducing device for pressure test of an electrolytic cell according to claim 1, wherein: the stop valve (2), the angle valve (3), the vent (4), the proportional unloading valve (5), the one-way valve (6), the pressure reducing valve (7), the filter (8) and the nitrogen steel cylinder (9) are all connected by adopting 1/2NPT threads.
5. The pressure reducing device for pressure test of an electrolytic cell according to claim 1, wherein: and a filter screen is arranged on the vent (4).
6. The pressure reducing device for pressure test of an electrolytic cell according to claim 1, wherein: the nitrogen steel cylinder (9) is made of high-pressure resistant materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322991287.6U CN221425908U (en) | 2023-11-07 | 2023-11-07 | Pressure reducing device for electrolytic tank pressurizing test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322991287.6U CN221425908U (en) | 2023-11-07 | 2023-11-07 | Pressure reducing device for electrolytic tank pressurizing test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221425908U true CN221425908U (en) | 2024-07-26 |
Family
ID=92010622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322991287.6U Active CN221425908U (en) | 2023-11-07 | 2023-11-07 | Pressure reducing device for electrolytic tank pressurizing test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221425908U (en) |
-
2023
- 2023-11-07 CN CN202322991287.6U patent/CN221425908U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |