CN220583908U - Hydrogen analysis instrument preprocessing device - Google Patents
Hydrogen analysis instrument preprocessing device Download PDFInfo
- Publication number
- CN220583908U CN220583908U CN202321721587.6U CN202321721587U CN220583908U CN 220583908 U CN220583908 U CN 220583908U CN 202321721587 U CN202321721587 U CN 202321721587U CN 220583908 U CN220583908 U CN 220583908U
- Authority
- CN
- China
- Prior art keywords
- gas
- control valve
- liquid
- analysis instrument
- pretreatment device
- 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.)
- Active
Links
- 238000004458 analytical method Methods 0.000 title claims abstract description 41
- 239000001257 hydrogen Substances 0.000 title claims abstract description 41
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 41
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 238000007781 pre-processing Methods 0.000 title description 3
- 239000007789 gas Substances 0.000 claims abstract description 113
- 239000007788 liquid Substances 0.000 claims abstract description 82
- 238000004868 gas analysis Methods 0.000 claims abstract description 59
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 22
- 239000012535 impurity Substances 0.000 claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000011358 absorbing material Substances 0.000 claims description 12
- 239000000741 silica gel Substances 0.000 claims description 12
- 229910002027 silica gel Inorganic materials 0.000 claims description 12
- 238000005070 sampling Methods 0.000 claims description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 7
- 239000002808 molecular sieve Substances 0.000 claims description 7
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims 2
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000007599 discharging Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 7
- 230000002035 prolonged effect Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 230000002411 adverse Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000005868 electrolysis reaction Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a hydrogen analysis instrument pretreatment device, which comprises: the gas inlet is used for feeding the gas-liquid mixture into the gas-liquid separator, the gas-liquid separator is used for separating the gas from the liquid in the gas-liquid mixture, the pressure reducer is used for reducing the pressure of the gas, the first control valve is used for adjusting the air pressure of the gas, the flowmeter is used for measuring the flow of the gas, the gas analysis instrument is used for analyzing the gas, and the vent is used for discharging the gas. The pretreatment device of the hydrogen analysis instrument can remove impurities in the gas, reduce the gas pressure of the gas, avoid damaging the gas analysis instrument, prolong the service life of the gas analysis instrument, greatly reduce the cost of the gas analysis instrument, avoid influencing normal production operation due to frequent replacement of the gas analysis instrument, and ensure the accuracy of the detection result of the gas analysis instrument.
Description
Technical Field
The utility model relates to the technical field of hydrogen production by water electrolysis, in particular to a hydrogen analysis instrument pretreatment device.
Background
The explosion limit of hydrogen in air is 4.0% -75.6% (v/v), the explosion limit of oxygen in oxygen is 4.0% -94% (v/v), and the minimum ignition energy is about 0.017mj, so that the method is of great importance to monitoring the gas purity in the process of producing hydrogen by water electrolysis.
The water electrolysis hydrogen production device has possibility of influencing the quality of the product hydrogen due to various reasons (load adjustment, pressure change, equipment failure and the like), so that the real-time monitoring of the purity has important significance for production safety and equipment state detection.
Because impurities, such as liquid, exist in the product gas of the water electrolysis hydrogen production equipment, the impurities can have adverse effects on the service life of the analysis instrument, the probability of damage of the analysis instrument can be increased due to the fact that too high gas pressure, the probability of damage of the analysis instrument can be increased due to the fact that air flows back to the analysis instrument pipeline due to too low pressure, the service life of the analysis instrument can be influenced due to too low flow or too high flow, and the accuracy of detection results of the analysis instrument can be influenced. The analysis instrument is used as an instrument for detecting the quality of products, the price is high, the cost is greatly increased due to frequent replacement, and the normal production operation is affected due to frequent replacement.
Therefore, a pretreatment device of the hydrogen analysis instrument needs to be designed, and before the analysis instrument detects the gas, the gas is treated to remove impurities in the gas and keep the gas at a certain pressure, so that the service life of the analysis instrument is prolonged, and meanwhile, the accuracy of the detection result of the analysis instrument is ensured.
Disclosure of Invention
The utility model aims to provide the pretreatment device for the hydrogen analysis instrument, which can remove impurities in gas, can control the pressure of the gas, avoid the adverse effect of the impurities on the gas analysis instrument, lead the pressure of the gas entering the gas analysis instrument to meet the compound requirement, avoid damaging the gas analysis instrument due to the too high pressure of the gas, avoid damaging the gas analysis instrument due to the backflow of outside air to the gas analysis instrument due to the too low pressure of the gas, prolong the service life of the gas analysis instrument, greatly reduce the cost of the gas analysis instrument, avoid influencing normal production operation due to frequent replacement of the gas analysis instrument, and ensure the accuracy of the detection result of the gas analysis instrument.
The utility model adopts the following technical scheme:
a hydrogen analysis meter pretreatment device comprising: the gas inlet is used for allowing a gas-liquid mixture to enter the gas-liquid separator, the gas-liquid separator is used for separating gas from liquid in the gas-liquid mixture, the pressure reducer is used for reducing the pressure of the gas, the first control valve is used for adjusting the gas pressure of the gas, the flow meter is used for measuring the flow of the gas, the gas analysis instrument is used for analyzing the gas, and the vent is used for supplying gas to be discharged.
Preferably, the gas-liquid separator further comprises a drying cylinder, the drying cylinder is arranged between the gas-liquid separator and the first control valve, the drying cylinder comprises a cylinder body, the cylinder body is filled with water absorbing materials, and the drying cylinder is used for removing non-free liquid in the gas.
Preferably, the number of pressure reducers is one or more.
Preferably, the gas separator further comprises a second control valve, wherein the second control valve is arranged between the gas inlet and the gas-liquid separator and is used for controlling the mutual communication or isolation between the gas inlet and the gas-liquid separator.
Preferably, the gas-liquid separator further comprises a drain port and a third control valve, wherein the third control valve is arranged on the pipeline connected to the bottom of the gas-liquid separator, and is used for controlling the mutual communication or isolation between the drain port and the gas-liquid separator.
Preferably, the device further comprises a sampling port and a fourth control valve, wherein the inlet end of the fourth control valve is connected with the inlet end of the first control valve, and the fourth control valve is used for adjusting the flow of gas flowing to the sampling port.
Preferably, the gas dryer further comprises a filter arranged between the first control valve and the drying cylinder, wherein the filter is used for removing solid impurities in the gas.
Preferably, the gas analyzer further comprises a liquid sealing device, wherein the liquid sealing device is arranged between the gas analyzer and the vent, the liquid sealing device comprises a shell and sealing liquid, one end of the pipeline connected with the gas analyzer is immersed in the sealing liquid, and one end of the pipeline connected with the vent is arranged in the shell and above the sealing liquid.
Preferably, the fire barrier further comprises a fire barrier, wherein the fire barrier is arranged at the front end of the emptying port and is used for isolating the emptying port and the gas for starting fire.
Preferably, the water absorbing material comprises alumina, a molecular sieve and allochroic silica gel which are sequentially laminated.
Compared with the prior art, the utility model has the beneficial effects that at least:
according to the hydrogen analysis instrument pretreatment device, impurities in gas can be removed through the gas-liquid separator, adverse effects of the impurities on the gas analysis instrument are avoided, the pressure of the gas is reduced through the pressure reducer, the flow of the gas is controlled through the first control valve, and the flow of the gas is monitored in real time through the flowmeter, so that the pressure and the flow of the gas flowing into the gas analysis instrument are kept stable, the gas analysis instrument is prevented from being damaged due to the fact that the pressure of the gas is too high, the gas analysis instrument is prevented from being damaged due to the fact that external air flows back to the gas analysis instrument due to the fact that the pressure of the gas is too low, the service life of the gas analysis instrument is prolonged, the cost of the gas analysis instrument is greatly reduced, the influence on normal production operation due to frequent replacement of the gas analysis instrument is avoided, and meanwhile the accuracy of the detection result of the gas analysis instrument is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of a pretreatment device of a hydrogen analysis meter according to an embodiment of the present utility model.
Fig. 2 is a schematic structural view of a drying drum according to an embodiment of the present utility model.
Fig. 3 is a schematic structural diagram of a liquid seal device according to an embodiment of the present utility model.
In the figure: 100. a hydrogen analysis instrument pretreatment device; 1. a gas inlet; 2. a gas-liquid separator; 3. a pressure reducer; 31. a first pressurizer; 32. a second pressure reducer; 4. a first control valve; 5. a flow meter; 6. a gas analysis meter; 7. an air vent; 8. a drying cylinder; 81. a cylinder; 82. a water absorbing material; 821. alumina; 822. a molecular sieve; 823. color-changing silica gel; 83. a partition plate; 831. a through hole; 9. a second control valve; 10. a drain port; 11. a third control valve; 12. a sampling port; 13. a fourth control valve; 14. a filter; 15. a liquid sealing device; 151. a housing; 152. sealing liquid; 16. and a flame arrester.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus a repetitive description thereof will be omitted.
The words expressing the positions and directions described in the present utility model are described by taking the drawings as an example, but can be changed according to the needs, and all the changes are included in the protection scope of the present utility model.
Referring to fig. 1 to 3, the present utility model provides a hydrogen analysis meter pretreatment device 100, comprising: the gas inlet 1, the gas-liquid separator 2, the pressure reducer 3, the first control valve 4, the flowmeter 5, the gas analysis instrument 6 and the vent 7 are sequentially connected through pipelines.
The gas inlet 1 is used for feeding a gas-liquid mixture, such as a mixture containing hydrogen, into the gas-liquid separator 2, the gas-liquid separator 2 is used for separating the gas and the liquid in the gas-liquid mixture, the pressure reducer 3 is used for reducing the pressure of the gas, the first control valve 4 can be a needle valve, the first control valve 4 is used for adjusting the gas pressure of the gas, the flowmeter 5 is used for measuring the flow rate of the gas, the gas analysis instrument 6 is used for analyzing the gas, for example, the purity of the hydrogen in the gas is tested, and the vent 7 is used for discharging the gas.
The hydrogen analysis instrument preprocessing device 100 of this application can get rid of the impurity in the gas through gas-liquid separator 2, impurity is liquid for example, avoided impurity to the adverse effect of gas analysis instrument 6, reduce the atmospheric pressure of gas through pressure reducer 3, avoid too high atmospheric pressure to damage gas analysis instrument 6, shorten the life of gas analysis instrument 6, the flow of gas is controlled through first control valve 4, the flow of gas is monitored through flowmeter 5 real time, so that the atmospheric pressure and the flow of gas that flows into gas analysis instrument 6 remain stable, avoid gas pressure too high to damage gas analysis instrument 6, also avoid gas pressure too low to lead to outside air to flow back to gas analysis instrument 6 and damage gas analysis instrument 6, prolonged the life of gas analysis instrument 6, not only greatly reduced the cost of gas analysis instrument 6, avoided influencing normal production operation because of frequently changing gas analysis instrument 6, the accuracy of gas analysis instrument 6 testing result has been ensured simultaneously.
In a specific embodiment, the hydrogen analysis meter pretreatment device 100 may further include a drying cylinder 8, the drying cylinder 8 is disposed between the gas-liquid separator 2 and the first control valve 4, the drying cylinder 8 includes a cylinder 81, the cylinder 81 is filled with a water absorbing material 82, and the drying cylinder 8 is used for removing non-free liquid in the gas. The water absorbent material 82 may be one or more of a polymeric material, a mineral-based material, a cellulose-based material, a water absorbent polymer, and a glass-based material. In this embodiment, the water absorbing material 82 includes alumina 821, molecular sieve 822 and allochroic silica gel 823 laminated in this order, the alumina 821 is disposed at the air inlet end of the drying cylinder 8, and the allochroic silica gel 823 is disposed at the air outlet end of the drying cylinder 8. The allochroic silica gel 823 is usually made of silica gel as a base material and is added with the allochroic agent, the allochroic silica gel 823 has the function of absorbing water, when the allochroic silica gel 823 absorbs a certain amount of water, the allochroic agent can change in color, because the allochroic silica gel 823 is arranged at the air outlet end of the drying cylinder 8, if the allochroic silica gel 823 changes color, the water absorbing capacity of the water absorbing material 82 in the drying cylinder 8 is insufficient, a new water absorbing material 82 needs to be replaced, an operator can replace the water absorbing material 82 in time according to the color change of the allochroic silica gel 823, the gas entering the gas analysis instrument 6 is ensured to contain no water, the gas analysis instrument 6 is prevented from being damaged, and the service life of the gas analysis instrument 6 is prolonged.
Be provided with baffle 83 between alumina 821 and molecular sieve 822, be provided with through-hole 831 on the baffle 83, through-hole 831 is used for supplying gas to pass through, and baffle 83 can prevent that alumina 821 from getting into molecular sieve 822 in, influences molecular sieve 822's water absorption effect, and baffle 83 can also prolong the dwell time of gas in dry section of thick bamboo 8, has improved dry section of thick bamboo 8 and has got rid of the effect of liquid in the gas.
The number of the pressure reducers 3 is one or more, the plurality of pressure reducers 3 can adjust the gas for a plurality of times, and the gas pressure of the gas can be adjusted to be within a required range. In the present embodiment, the number of the pressure reducers 3 is two, including a first pressure reducer 31 and a second pressure reducer 32, the first pressure reducer 31 being disposed between the gas-liquid separator 2 and the drying cylinder 8, and the second pressure reducer 32 being disposed between the drying cylinder 8 and the first control valve 4. The first pressure reducer 31 can adjust the air pressure of the air for the first time, the air after being adjusted by the first pressure reducer 31 enters the drying cylinder 8, the impact of the air on the water absorbing material 82 in the drying cylinder 8 can be reduced, the residence time of the air in the drying cylinder 8 can be prolonged, and the effect of the drying cylinder 8 for removing the liquid in the air is improved. The second pressure reducer 32 can carry out the second air pressure regulation to gas, and the gas after the second pressure reducer 32 adjusts gets into first control valve 4, can reduce the impact to first control valve 4, avoids first control valve 4 to damage because of atmospheric pressure is too big.
The hydrogen analysis meter pretreatment device 100 may further include a second control valve 9, wherein the second control valve 9 is disposed between the gas inlet 1 and the gas-liquid separator 2, and the second control valve 9 is used for controlling the communication or isolation between the gas inlet 1 and the gas-liquid separator 2. The second control valve 9 may be an automatic shut-off valve, which may be automatically opened or closed according to the change of air pressure, and when the hydrogen production apparatus is operating normally, the automatic shut-off valve is automatically opened, and the gas-liquid mixture enters the gas-liquid separator 2 through the gas inlet 1, and when the hydrogen production apparatus is stopped, the automatic shut-off valve is automatically closed, so that other gases are prevented from entering the hydrogen analysis meter pretreatment device 100, thereby protecting the gas analysis meter 6.
The hydrogen analysis meter pretreatment device 100 can further comprise a drain port 10 and a third control valve 11, wherein the third control valve 11 is arranged on a pipeline connected to the bottom of the gas-liquid separator 2, and the third control valve 11 is used for controlling the drain port 10 and the gas-liquid separator 2 to be communicated or isolated from each other. The third control valve 11 may be a drain valve, which may be automatically opened or closed according to the amount of liquid in the pipe. When the liquid in the gas-liquid separator 2 or the pipeline reaches a certain amount, the third control valve 11 is automatically opened, and the liquid flows out through the drain port 10.
The hydrogen analysis meter pretreatment device 100 may further comprise a sampling port 12 and a fourth control valve 13, wherein an inlet end of the fourth control valve 13 is connected with an inlet end of the first control valve 4, that is, a pipeline is divided into two paths, one path of gas flows into the first control valve 4, the other path of gas flows into the fourth control valve 13, and the fourth control valve 13 is used for adjusting the flow rate of the gas flowing into the sampling port 12. The fourth control valve 13 may be a needle valve, and the same gas as the gas entering the gas analyzer may be obtained through the sampling port 12, and the sampling port 12 is manually sampled, and the test result of the gas analyzer 6 may be confirmed to be accurate by comparing with the test structure of the gas analyzer through a manual sampling test, so that if the gas analyzer 6 is damaged, the gas analyzer 6 may be replaced in time, thereby avoiding production accidents caused by inaccurate test of the gas analyzer 6.
The hydrogen analysis meter pretreatment device 100 may further include a filter 14, the filter 14 being disposed between the first control valve 4 and the drying cylinder 8, the filter 14 being for removing solid impurities in the gas. The filter 14 may remove solid impurities from the gas, such as impurities that are present in the gas or impurities in the water absorbing material 82 of the dryer cartridge 8. Impurities in the gas are further removed through the filter 14, so that the gas analysis instrument 6 is prevented from being damaged, and the service life of the gas analysis instrument 6 is prolonged.
The hydrogen analysis meter pretreatment device 100 may further include a liquid sealing device 15, the liquid sealing device 15 being disposed between the gas analysis meter 6 and the vent 7, the liquid sealing device 15 including a housing 151 and a sealing liquid 152, one end of a pipe connected to the gas analysis meter 6 being immersed in the sealing liquid 152, one end of a pipe connected to the vent 7 being disposed in the housing 151 above the sealing liquid 152. The sealing liquid 152 is preferably a liquid which is not volatile, such as silicone oil, so that the sealing liquid 152 is prevented from volatilizing into the gas analysis meter 6, the gas analysis meter 6 is prevented from being damaged, and the service life of the gas analysis meter 6 is prolonged. The gas discharged from the gas analysis meter 6 enters the liquid sealing device 15 and is discharged from the vent 7, and the gas entering the liquid sealing device 15 from the vent 7 cannot enter the gas analysis meter 6 because one end of the pipe connected with the gas analysis meter 6 is immersed in the sealing liquid 152. The liquid sealing device 15 can prevent gas from entering the gas analysis instrument 6 from the vent 7, thereby avoiding the gas analysis instrument 6 from being damaged and prolonging the service life of the gas analysis instrument 6.
The hydrogen analysis meter pretreatment device 100 may further include a flame arrester 16, wherein the flame arrester 16 is disposed at the front end of the vent 7, and the flame arrester 16 is used for isolating the vent 7 from the gas that fires.
While embodiments of the present utility model have been shown and described, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that changes, modifications, substitutions and alterations may be made therein by those of ordinary skill in the art without departing from the spirit and scope of the utility model, all such changes being within the scope of the appended claims.
Claims (10)
1. A hydrogen analysis meter pretreatment device, comprising: the gas inlet is used for allowing a gas-liquid mixture to enter the gas-liquid separator, the gas-liquid separator is used for separating gas from liquid in the gas-liquid mixture, the pressure reducer is used for reducing the pressure of the gas, the first control valve is used for adjusting the gas pressure of the gas, the flow meter is used for measuring the flow of the gas, the gas analysis instrument is used for analyzing the gas, and the vent is used for supplying gas to be discharged.
2. The hydrogen analysis meter pretreatment device according to claim 1, further comprising a drying cylinder provided between the gas-liquid separator and the first control valve, the drying cylinder comprising a cylinder body filled with a water absorbing material, the drying cylinder being for removing a non-free liquid in the gas.
3. The hydrogen analysis meter pretreatment device of claim 1, wherein the number of pressure reducers is one or more.
4. The hydrogen analysis meter pretreatment device according to claim 1, further comprising a second control valve provided between the gas inlet and the gas-liquid separator, the second control valve being for controlling communication or isolation between the gas inlet and the gas-liquid separator.
5. The hydrogen analysis meter pretreatment device according to claim 1, further comprising a drain port and a third control valve provided on the pipe connected to the bottom of the gas-liquid separator, the third control valve being for controlling communication or isolation between the drain port and the gas-liquid separator.
6. The hydrogen analysis meter pretreatment device according to claim 1, further comprising a sampling port and a fourth control valve, an inlet port of the fourth control valve being connected to an inlet port of the first control valve, the fourth control valve being for regulating a flow rate of gas flowing to the sampling port.
7. The hydrogen analysis meter pretreatment device according to claim 2, further comprising a filter provided between the first control valve and the drying cylinder, the filter being for removing solid impurities in the gas.
8. The hydrogen analysis meter pretreatment device according to claim 1, further comprising a liquid sealing device provided between the gas analysis meter and the vent, the liquid sealing device comprising a housing and a sealing liquid, one end of the pipe connected to the gas analysis meter being immersed in the sealing liquid, one end of the pipe connected to the vent being provided in the housing above the sealing liquid.
9. The hydrogen analysis meter pretreatment device of claim 1, further comprising a flame arrestor disposed at a front end of the vent, the flame arrestor configured to isolate the vent from a flammable gas.
10. The hydrogen analysis meter pretreatment device according to claim 2, wherein the water absorbing material comprises alumina, a molecular sieve, and a color-changing silica gel laminated in this order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321721587.6U CN220583908U (en) | 2023-07-03 | 2023-07-03 | Hydrogen analysis instrument preprocessing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321721587.6U CN220583908U (en) | 2023-07-03 | 2023-07-03 | Hydrogen analysis instrument preprocessing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220583908U true CN220583908U (en) | 2024-03-12 |
Family
ID=90121030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321721587.6U Active CN220583908U (en) | 2023-07-03 | 2023-07-03 | Hydrogen analysis instrument preprocessing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220583908U (en) |
-
2023
- 2023-07-03 CN CN202321721587.6U patent/CN220583908U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103487593B (en) | Gas analysis device and method | |
| CN220583908U (en) | Hydrogen analysis instrument preprocessing device | |
| CN103383377A (en) | Testing and calibrating device for gas-dissolved-in-transformer-oil online monitoring system | |
| CN202870044U (en) | Testing and calibrating device for online monitoring system of dissolved gas in transformer oil | |
| CN213900710U (en) | Gas discharging cabinet with hydrogen detection and analysis functions | |
| CN107993731B (en) | System for monitoring combustibility of gas in containment after serious accident of reactor | |
| CN102967551A (en) | Test device for detecting carbon dioxide adsorption and detection method | |
| CN102288660A (en) | Combined detection method and device for detecting trace moisture and trace oxygen of industrial gas | |
| CN109283297B (en) | Independent calibration sampling system for hydrogen online analysis | |
| CN218995563U (en) | GIS equipment discharge fault quick positioning device | |
| CN102374965B (en) | Wetted corrosive gas corrosion simulation gas collecting pipe simplified device | |
| CN211814304U (en) | Desulfurizing device of gas storage tank system | |
| CN218157108U (en) | Sulfur hexafluoride gas on-line monitoring device | |
| CN206832780U (en) | A kind of wasted nickel catalyst device | |
| CN113431980B (en) | Crystallization device is prevented to gas blow pipeline, measurement system and spent fuel aftertreatment system blow | |
| EP1544615A1 (en) | Method and apparatus for monitoring fault gas in liquid filled high voltage units | |
| CN111019725A (en) | Desulfurizing device of gas storage tank system | |
| CN107957481B (en) | Hydrogen sulfide concentration detection device | |
| CN213023003U (en) | Temperature control box wire and cable detection equipment | |
| CN211292497U (en) | Negative pressure device for inner box of gas corrosion test box | |
| CN219179223U (en) | Detection tube for detecting sulfur dioxide concentration | |
| CN107131923B (en) | Protection system and protection method of gas flowmeter | |
| CN220819977U (en) | Nitrogen concentration detects recoil device | |
| CN202886255U (en) | Test device for detecting adsorption of carbon dioxide | |
| CN215008305U (en) | Multifunctional gas supply system for hydrogen fuel cell test |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |