CN114411170B - Hydrogen production system and method - Google Patents
Hydrogen production system and method Download PDFInfo
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- CN114411170B CN114411170B CN202210143437.5A CN202210143437A CN114411170B CN 114411170 B CN114411170 B CN 114411170B CN 202210143437 A CN202210143437 A CN 202210143437A CN 114411170 B CN114411170 B CN 114411170B
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- valve
- buffer tank
- drainage
- hydrogen production
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 239000001257 hydrogen Substances 0.000 title claims abstract description 90
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 90
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 title claims description 14
- 239000007788 liquid Substances 0.000 claims abstract description 83
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 239000003792 electrolyte Substances 0.000 claims description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 11
- 239000001301 oxygen Substances 0.000 claims description 11
- 229910052760 oxygen Inorganic materials 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000007062 hydrolysis Effects 0.000 claims description 5
- 238000006460 hydrolysis reaction Methods 0.000 claims description 5
- 238000005868 electrolysis reaction Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/02—Process control or regulation
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
- C25B15/083—Separating products
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
- C25B15/087—Recycling of electrolyte to electrochemical cell
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Automation & Control Theory (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The invention discloses a hydrogen production system and a hydrogen production method, which realize non-stop drainage under high-pressure working conditions by utilizing the liquid level change of a drainage buffer tank to control the opening and closing of a valve through the cooperation of the drainage buffer tank, a liquid level control system and the valve. The drainage scheme can realize that the water is directly drained into the drainage buffer tank under the condition of no pressure relief in the system, and the liquid level control system ensures that the pressure in the PEM hydrogen production system does not fluctuate severely; can realize the drainage without stopping the machine under the high-pressure working condition, effectively improve the production efficiency and reduce the cost.
Description
Technical Field
The invention relates to the technical field of hydrogen production, in particular to a hydrogen production system and a hydrogen production method.
Background
Hydrogen is a new energy source which is emerging at present, and one of the preparation methods is water electrolysis.
Taking a PEM hydrogen production system as an example, the working pressure in the PEM hydrogen production system is high, the prior art adopts a method for reducing the pressure in the system or adjusting the pressure by a valve for the drainage of the PEM hydrogen production system, and the operation needs to be stopped, thus the time and the labor are wasted and the cost is high.
Disclosure of Invention
In view of this, the present invention provides a hydrogen production system and method that can achieve the effect of water drainage without stopping the machine to improve the operation efficiency and reduce the cost.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a hydrogen production system, comprising: a hydrogen production post-treatment device and a drainage device;
the drainage device includes: a drain buffer tank and a valve;
the valve is arranged between a liquid outlet of the hydrogen production post-treatment device and a water inlet of the drainage buffer tank.
Preferably, the valve is a first cut-off valve, a water inlet of the water draining buffer tank is provided with a water inlet pipeline connected with a liquid outlet of the hydrogen production aftertreatment device, and the first cut-off valve is arranged on the water inlet pipeline.
Preferably, the drainage device further comprises: the second cut-off valve, the third cut-off valve and the liquid level control system;
an air outlet of the drainage buffer tank is connected with an exhaust pipeline, and a water outlet of the drainage buffer tank is connected with a drainage pipeline;
the second shut-off valve is arranged on the exhaust pipeline, and the third shut-off valve is arranged on the drainage pipeline;
the liquid level control system can control the opening and closing of the first cut-off valve, the second cut-off valve and the third cut-off valve according to the liquid level of the drainage buffer tank.
Preferably, the method further comprises: a check valve;
the check valve is disposed in the exhaust line downstream of the second shut-off valve.
Preferably, the drain buffer tank is a pressure vessel.
Preferably, the drainage pipeline is connected with a drainage pipeline, a water seal well or a circulating liquid path of the hydrogen production system.
Preferably, the hydrogen production post-treatment device comprises: an oxygen gas-liquid separator and a hydrogen gas-liquid separator;
and liquid outlets of the oxygen gas-liquid separator and the hydrogen gas-liquid separator are connected with a water inlet of the drainage buffer tank.
Preferably, the method further comprises: a fourth shut-off valve and an electrolyte circulation pump;
the inlet of the electrolyte circulating pump is connected with the outlet of the hydrogen production post-treatment device, and the outlet is used for connecting a hydrolysis tank; the fourth cut-off valve is arranged at the inlet of the electrolyte circulating pump.
The water draining method under the high pressure working condition of the hydrogen production system adopts the hydrogen production system, and comprises the following steps:
s1, judging whether the liquid level in the drainage buffer tank reaches a lower limit value or not, if so, entering a step S2, and if so, entering a step S3;
s2, closing an air outlet and a water outlet of the drainage buffer tank, and adjusting a valve to enable a liquid outlet of the hydrogen production post-treatment device to be communicated with a water inlet of the drainage buffer tank;
s3, adjusting the valve to ensure that the liquid outlet of the hydrogen production post-treatment device is not communicated with the water inlet of the drainage buffer tank, and opening the air outlet and the water outlet of the drainage buffer tank.
Preferably, in the step S2, the closing the air outlet and the water outlet of the drain buffer tank includes: closing the second shut-off valve and the third shut-off valve;
the regulating valve makes the liquid outlet of the hydrogen production aftertreatment device communicate with the water inlet of the drainage buffer tank, and comprises: opening a first shut-off valve;
in the step S3, the adjusting valve makes the liquid outlet of the hydrogen production post-treatment device not communicate with the water inlet of the drainage buffer tank, and the adjusting valve comprises: closing the first shut-off valve;
the air outlet and the water outlet of the open drainage buffer tank comprise:
the second shut-off valve and the third shut-off valve are opened.
Preferably, the lower limit value is 5% -15% of the capacity of the drain buffer tank.
Preferably, the upper limit value is 80% -90% of the capacity of the drain buffer tank.
Preferably, the step S3 further includes: the fourth shut-off valve is opened.
According to the technical scheme, the hydrogen production system and the hydrogen production method provided by the invention realize non-stop drainage under a high-pressure working condition by utilizing the liquid level change of the drainage buffer tank to control the opening and closing of the valve through the cooperation of the drainage buffer tank, the liquid level control system and the valve. The drainage scheme can realize non-stop drainage under high-pressure working conditions, effectively improve production efficiency and reduce cost.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a drainage device under high pressure conditions of a hydrogen production system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a structure in which a drainage device is connected to front and rear ends under a high-pressure working condition of a hydrogen production system according to an embodiment of the present invention;
FIG. 3 is a schematic flow chart of a method for draining water under high pressure conditions of a hydrogen production system according to an embodiment of the present invention.
Wherein 1 is a first cut-off valve, 2 is a second cut-off valve, 3 is a third cut-off valve, 4 is a liquid level control system, 5 is a drainage buffer tank, 6 is a check valve, 7 is an oxygen gas-liquid separator, 8 is a hydrogen gas-liquid separator, 9 is a fourth cut-off valve, 10 is an electrolyte circulating pump, and 11 is an electrolytic tank.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The hydrogen production system 1 provided by the embodiment of the invention comprises: a hydrogen production post-treatment device and a drainage device;
the drainage device comprises: a drain buffer tank 5 and a valve;
the valve is arranged between the liquid outlet of the hydrogen production after-treatment device and the water inlet of the water draining buffer tank 5, and pure water (or electrolyzed water) for electrolysis of the hydrogen production after-treatment device can flow to the water draining buffer tank 5.
Working principle: when the liquid level in the drain buffer tank 5 is low, draining water into the drain buffer tank 5;
when the liquid level in the drain buffer tank 5 is high, the water in the drain buffer tank 5 is drained.
According to the technical scheme, the hydrogen production system provided by the embodiment of the invention can realize that the water is directly discharged into the water discharge buffer tank under the condition of no pressure relief in the system, and the liquid level control system ensures that the pressure in the PEM hydrogen production system does not fluctuate severely; can realize the drainage without stopping the machine under the high-pressure working condition, effectively improve the production efficiency and reduce the cost. The scheme is suitable for a hydrogen production system for electrolyzing water, in particular to a PEM hydrogen production system.
Preferably, the valve is a first cut-off valve 1, a water inlet of the drainage buffer tank 5 is provided with a water inlet pipeline connected with a liquid outlet of the hydrogen production post-treatment device, and the first cut-off valve 1 is arranged on the water inlet pipeline. When the liquid level in the drainage buffer tank 5 is low, the first cut-off valve 1 is opened to drain water into the drainage buffer tank 5; when the liquid level in the drain buffer tank 5 is high, the first shut-off valve 1 is closed.
Further, the drainage device further includes: a second shut-off valve 2, a third shut-off valve 3 and a liquid level control system 4, the construction of which can be seen with reference to fig. 1 and 2;
the air outlet of the drainage buffer tank 5 is connected with an exhaust pipeline, and the water outlet is connected with a drainage pipeline; the second shut-off valve 2 is arranged on the exhaust pipeline, and the third shut-off valve 3 is arranged on the drain pipeline;
the liquid level control system 4 can control the opening and closing of the first cut-off valve 1, the second cut-off valve 2, and the third cut-off valve 3 according to the liquid level of the drain buffer tank 5.
Working principle: when the liquid level in the drainage buffer tank 5 is low, the liquid level control system 4 closes and cuts off the second cut-off valve 2 and the third cut-off valve 3, and opens the first cut-off valve 1 to drain water into the drainage buffer tank 5;
when the liquid level in the drain buffer tank 5 is high, the liquid level control system 4 closes the first cut-off valve 1, opens the second cut-off valve 2 and the third cut-off valve 3, and realizes that the water in the drain buffer tank 5 can be drained.
The hydrogen production system provided by the embodiment of the invention further comprises: a check valve 6;
the check valve 6 is provided in the exhaust line downstream of the second shut-off valve 2. By arranging the check valve 6 on the exhaust pipeline, the drain buffer tank 5 is ensured not to have air backflow into the tank when not working, and the safety of the PEM hydrogen production system is ensured.
Preferably, the drain buffer tank 5 is a pressure vessel, and can drain water directly into the tank under high pressure.
Specifically, the drainage pipeline is connected with a drainage pipeline, a water seal well or a hydrogen production system circulating liquid path, so that the hydrogen production system circulating liquid path can be directly drained or recycled.
The hydrogen production system provided by the embodiment of the invention, the hydrogen production post-treatment device comprises: an oxygen gas-liquid separator 7 and a hydrogen gas-liquid separator 8, the structure of which can be seen with reference to fig. 2;
the outlet pipelines of the oxygen gas-liquid separator 7 and the hydrogen gas-liquid separator 8 are connected with the inlet pipeline of the drainage buffer tank 5. Specifically, the drain buffer tank 5 is an electrolyte separated from an oxygen gas and a hydrogen gas.
Further, the hydrogen production system provided by the embodiment of the invention further comprises: a fourth shut-off valve 9 and an electrolyte circulation pump 10;
an inlet of the electrolyte circulating pump 10 is connected with an outlet of the hydrogen production post-treatment device, and the outlet is used for being connected with the hydrolysis tank 11; the fourth shut-off valve 9 is provided at the inlet of the electrolyte circulation pump 10. When the electrolytic tank works normally, the fourth cut-off valve 9 is opened, the generated oxygen and hydrogen are respectively subjected to gas-liquid separation in the parts 7 and 8, and meanwhile, the electrolyte in the parts 7 and 8 is pumped back into the hydrolysis tank 11 through the electrolyte circulating pump 10.
The embodiment of the invention also provides a drainage method under the high-pressure working condition of the hydrogen production system, which adopts the hydrogen production system and comprises the following steps:
s1, judging whether the liquid level in the drainage buffer tank 5 reaches a lower limit value or not, if so, entering a step S2, and if so, entering a step S3;
s2, closing an air outlet and a water outlet of the drainage buffer tank 5, and adjusting a valve to enable a liquid outlet of the hydrogen production post-treatment device to be communicated with a water inlet of the drainage buffer tank 5;
s3, adjusting a valve to ensure that a liquid outlet of the hydrogen production post-treatment device is not communicated with a water inlet of the drainage buffer tank 5, and opening an air outlet and a water outlet of the drainage buffer tank 5.
The flow of the method can be shown by referring to fig. 3, and as can be seen from the technical scheme, the drainage method under the high-pressure working condition of the hydrogen production system provided by the embodiment of the invention can realize that the water is directly drained into the drainage buffer tank under the condition of no pressure relief in the system, and the liquid level control system ensures that the pressure in the PEM hydrogen production system does not fluctuate severely; can realize the drainage without stopping the machine under the high-pressure working condition, effectively improve the production efficiency and reduce the cost. The scheme is suitable for a hydrogen production system for electrolyzing water, in particular to a PEM hydrogen production system.
Further, in step S2, the air outlet and the water outlet of the drain buffer tank 5 are closed, including:
closing the second shut-off valve 2 and the third shut-off valve 3;
the regulating valve makes the liquid outlet of the hydrogen production aftertreatment device communicate with the water inlet of the drainage buffer tank 5, comprising: opening the first shut-off valve 1;
in step S3, adjusting the valve so that the liquid outlet of the hydrogen production post-treatment device is not connected to the water inlet of the drain buffer tank 5, includes: closing the first shut-off valve 1;
opening the air outlet and water outlet of the drainage buffer tank 5, comprising:
the second shut-off valve 2 and the third shut-off valve 3 are opened.
Preferably, the lower limit value is 5% -15% of the capacity of the drainage buffer tank 5, and the upper limit value is 80% -90% of the capacity of the drainage buffer tank 5, so that the efficient operation of drainage under the high-pressure working condition of the hydrogen production system is ensured.
Further, step S3 further includes: the fourth shut-off valve 9 is opened to effect the discharge of the electrolyte in the oxygen gas-liquid separator 7 and the hydrogen gas-liquid separator 8. Ensuring the normal operation of the system.
The present solution is further described below in connection with specific embodiments:
1. the hydrogen and oxygen generated during normal operation of the electrolytic tank are respectively subjected to gas-liquid separation in the parts 8 and 7, and meanwhile, electrolyte in the parts 8 and 7 is pumped back into the hydrolysis tank 11 through the electrolyte circulating pump 10;
2. when the drainage is not needed, the first cut-off valve 1 is closed, if the electrolyte in the oxygen gas-liquid separator 7 and the hydrogen gas-liquid separator 8 is needed to be discharged, the first cut-off valve 1 is opened to drain the liquid into the drainage buffer tank 5, and the electrolytic tank works normally during the liquid draining;
3. the liquid level control system 4 controls the opening and closing of the first cut-off valve 1, the second cut-off valve 2 and the third cut-off valve 3 according to the liquid level in the drainage buffer tank 5;
4. when the liquid level in the drainage buffer tank 5 is low, the liquid level control system 4 closes the second cut-off valve 2 and the third cut-off valve 3, and opens the first cut-off valve 1 to drain water into the drainage buffer tank 5;
5. when the liquid level in the drainage buffer tank 5 is high, the liquid level control system 4 closes the first cut-off valve 1, opens the second cut-off valve 2 and the third cut-off valve 3, and can drain the water in the drainage buffer tank 5;
6. the drainage buffer tank 5 is a pressure container, and can directly drain water into the tank under the high pressure condition;
7. the check valve 6 ensures that the drain buffer tank 5 will not have air flowing back into the tank when not in operation, ensuring the safety of the PEM hydrogen production system.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A hydrogen production system, comprising: a hydrogen production post-treatment device and a drainage device;
the drainage device includes: a drainage buffer tank (5) and a valve, wherein the drainage buffer tank (5) is a pressure vessel;
the valve is arranged between a liquid outlet of the hydrogen production aftertreatment device and a water inlet of the drainage buffer tank (5), and pure water or electrolyzed water for electrolysis of the hydrogen production aftertreatment device flows to the drainage buffer tank (5); a water inlet of the drainage buffer tank (5) is provided with a water inlet pipeline connected with a liquid outlet of the hydrogen production post-treatment device, and a first cut-off valve (1) is arranged on the water inlet pipeline;
the drainage device further includes: a second shut-off valve (2), a third shut-off valve (3) and a liquid level control system (4); an air outlet of the drainage buffer tank (5) is connected with an exhaust pipeline, and a water outlet is connected with a drainage pipeline; the second shut-off valve (2) is arranged on the exhaust pipeline, and the third shut-off valve (3) is arranged on the drainage pipeline; the liquid level control system (4) can control the opening and closing of the first cut-off valve (1), the second cut-off valve (2) and the third cut-off valve (3) according to the liquid level of the drainage buffer tank (5);
when the liquid level in the drainage buffer tank (5) is low, the liquid level control system (4) closes and cuts off the second cut-off valve (2) and the third cut-off valve (3), and opens the first cut-off valve (1) to drain into the drainage buffer tank (5);
when the liquid level in the drainage buffer tank (5) is high, the liquid level control system (4) closes the first cut-off valve (1), and opens the second cut-off valve (2) and the third cut-off valve (3), so that water in the drainage buffer tank (5) can be drained;
the hydrogen production system further comprises: a check valve (6); the check valve (6) is arranged on the exhaust pipeline and is positioned downstream of the second cut-off valve (2);
the hydrogen production system further comprises: a fourth shut-off valve (9) and an electrolyte circulation pump (10); an inlet of the electrolyte circulating pump (10) is connected with an outlet of the hydrogen production post-treatment device, and the outlet is used for being connected with a hydrolysis tank (11); the fourth cut-off valve (9) is arranged at the inlet of the electrolyte circulating pump (10).
2. The hydrogen production system of claim 1, wherein the drain line is connected to a drain line, a water seal well, or a hydrogen production system circulation fluid line.
3. The hydrogen production system of claim 1, wherein the hydrogen production aftertreatment device comprises: an oxygen gas-liquid separator (7) and a hydrogen gas-liquid separator (8);
the liquid outlets of the oxygen gas-liquid separator (7) and the hydrogen gas-liquid separator (8) are connected with the water inlet of the drainage buffer tank (5).
4. A method for draining water under high pressure conditions in a hydrogen production system, comprising the steps of: s1, judging whether the liquid level in the drainage buffer tank (5) reaches a lower limit value or not, if so, entering a step S2, and if so, entering a step S3;
s2, closing an air outlet and a water outlet of the drainage buffer tank (5), and adjusting a valve to enable a liquid outlet of the hydrogen production aftertreatment device to be communicated with a water inlet of the drainage buffer tank (5); the air outlet and the water outlet of the closed drainage buffer tank (5) comprise: closing the second shut-off valve (2) and the third shut-off valve (3); the regulating valve enables the liquid outlet of the hydrogen production post-treatment device to be communicated with the water inlet of the drainage buffer tank (5), and the regulating valve comprises: opening a first shut-off valve (1);
s3, adjusting a valve to ensure that a liquid outlet of the hydrogen production post-treatment device is not communicated with a water inlet of the drainage buffer tank (5), opening a gas outlet and a water outlet of the drainage buffer tank (5), and opening a fourth cut-off valve (9); the regulating valve makes the liquid outlet of the hydrogen production post-treatment device not communicated with the water inlet of the drainage buffer tank (5), and the regulating valve comprises: closing the first shut-off valve (1); the opening of the air outlet and the water outlet of the drainage buffer tank (5) comprises the following steps: the second shut-off valve (2) and the third shut-off valve (3) are opened.
5. The method for draining water under high pressure conditions of a hydrogen production system as claimed in claim 4, wherein said lower limit value is 5% -15% of the capacity of said draining buffer tank (5).
6. The method for draining water under high pressure conditions of a hydrogen production system as claimed in claim 4, wherein said upper limit value is 80% -90% of the capacity of said draining buffer tank (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210143437.5A CN114411170B (en) | 2022-02-16 | 2022-02-16 | Hydrogen production system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210143437.5A CN114411170B (en) | 2022-02-16 | 2022-02-16 | Hydrogen production system and method |
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| CN114411170A CN114411170A (en) | 2022-04-29 |
| CN114411170B true CN114411170B (en) | 2024-01-30 |
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| JP2009191333A (en) * | 2008-02-15 | 2009-08-27 | Honda Motor Co Ltd | Hydrogen generating system |
| JP2015175037A (en) * | 2014-03-17 | 2015-10-05 | 本田技研工業株式会社 | High pressure water electrolysis system, and control method thereof |
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| JP2017203218A (en) * | 2017-06-20 | 2017-11-16 | 株式会社東芝 | Hydrogen production device and hydrogen production system |
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| CN113430536A (en) * | 2021-07-16 | 2021-09-24 | 阳光电源股份有限公司 | Water electrolysis hydrogen production system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102732905A (en) * | 2011-04-05 | 2012-10-17 | 本田技研工业株式会社 | Water electrolysis system and method of operating same |
| JP6599937B2 (en) * | 2017-07-19 | 2019-10-30 | 本田技研工業株式会社 | Water electrolysis system and its operation stop method |
-
2022
- 2022-02-16 CN CN202210143437.5A patent/CN114411170B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009191333A (en) * | 2008-02-15 | 2009-08-27 | Honda Motor Co Ltd | Hydrogen generating system |
| JP2015175037A (en) * | 2014-03-17 | 2015-10-05 | 本田技研工業株式会社 | High pressure water electrolysis system, and control method thereof |
| CN205710938U (en) * | 2016-06-21 | 2016-11-23 | 天津市大陆制氢设备有限公司 | A kind of condensation water recovery system of hydrogen production plant by water electrolysis |
| JP2017203218A (en) * | 2017-06-20 | 2017-11-16 | 株式会社東芝 | Hydrogen production device and hydrogen production system |
| CN213995134U (en) * | 2020-11-30 | 2021-08-20 | 合肥高新区太空科技研究中心 | Gas-liquid separator capable of intermittently buffering and automatically draining water |
| CN113430536A (en) * | 2021-07-16 | 2021-09-24 | 阳光电源股份有限公司 | Water electrolysis hydrogen production system |
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| CN114411170A (en) | 2022-04-29 |
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