CN109852985B - Water electrolysis hydrogen production device with gas pre-purification function - Google Patents
Water electrolysis hydrogen production device with gas pre-purification function Download PDFInfo
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- CN109852985B CN109852985B CN201910257013.XA CN201910257013A CN109852985B CN 109852985 B CN109852985 B CN 109852985B CN 201910257013 A CN201910257013 A CN 201910257013A CN 109852985 B CN109852985 B CN 109852985B
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- alkali liquor
- hydrogen
- gas
- oxygen
- outlet
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 82
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 82
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 239000007789 gas Substances 0.000 title claims abstract description 57
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000000746 purification Methods 0.000 title claims abstract description 17
- 239000003513 alkali Substances 0.000 claims abstract description 112
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 60
- 239000001301 oxygen Substances 0.000 claims abstract description 60
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 60
- 239000007788 liquid Substances 0.000 claims abstract description 58
- 238000002156 mixing Methods 0.000 claims abstract description 38
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 24
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims description 17
- 239000012528 membrane Substances 0.000 claims description 17
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 6
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 6
- 239000004917 carbon fiber Substances 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 6
- -1 polytetrafluoroethylene Polymers 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 4
- 239000002033 PVDF binder Substances 0.000 claims description 3
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 239000000110 cooling liquid Substances 0.000 claims description 3
- 229920001690 polydopamine Polymers 0.000 claims description 3
- 229920002530 polyetherether ketone Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920005597 polymer membrane Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 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 invention discloses a water electrolysis hydrogen production device with a gas pre-purification function, wherein two ends of an oxygen alkali liquid mixing pipeline are respectively connected with an anode gas outlet of an electrolytic tank and an inlet of an oxygen tee joint, an upper outlet of the oxygen tee joint is connected with a gas inlet of an oxygen alkali liquid separator, two ends of a hydrogen alkali liquid mixing pipeline are respectively connected with a cathode gas outlet of the electrolytic tank and an inlet of the hydrogen tee joint, an upper outlet of the hydrogen tee joint is connected with a gas inlet of the hydrogen alkali liquid separator, a lower alkali liquid outlet of the oxygen tee joint, an alkali liquid discharge port of the oxygen alkali liquid separator, a lower alkali liquid outlet of the hydrogen tee joint and an alkali liquid discharge port of the hydrogen alkali liquid separator are connected with an alkali liquid return port of the lower side of the electrolytic tank, and a hydrophobic film and a hydrophilic film are respectively arranged at an upper outlet and a lower alkali liquid outlet of the tee joint. The pre-purification effect of the invention reduces the gas-liquid treatment capacity and the design size of the gas-liquid separator, and simultaneously reduces the treatment capacity and the design size of subsequent purification equipment.
Description
Technical Field
The invention relates to a water electrolysis hydrogen production device, in particular to a water electrolysis hydrogen production device with a gas pre-purification function.
Background
The water electrolysis hydrogen production adopts potassium hydroxide or sodium hydroxide aqueous solution as electrolyte. The water is electrolyzed on the surface of the electrode to form hydrogen and oxygen, and forms a gas-liquid mixture with alkali liquor, and the gas enters a hydrogen-oxygen-liquid separator respectively, and the separated gas is subjected to purification treatment such as gas washing, cooling, deoxidization and the like.
In the whole hydrogen production device, the volume occupied by the gas-liquid separator and subsequent purifying equipment can reach 50 percent, even higher, and the manufacturing cost is quite high. In particular to skid-mounted containerized hydrogen production equipment, because of limited space, the space is more strict in requirements on occupied area, size and arrangement of parts in the equipment.
As shown in FIG. 2, in the water electrolysis hydrogen production device common in the prior art, the gas-liquid mixture at the outlet of the electrolytic tank firstly enters a gas-liquid separator, and the gas is separated from the alkali liquor carried out of the electrolytic tank by the gravity principle of gas/liquid. After the separation process, the gas enters the subsequent purification process, and the alkali liquor flows back to the electrolytic tank through the heat exchanger. Because the obtained oxygen and hydrogen carry alkali liquor, the alkali liquor in the gas needs to be removed firstly during gas purification, thereby increasing the volume and complexity of subsequent purification equipment.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the water electrolysis hydrogen production device with the gas pre-purification function, which is used for pre-purifying the obtained hydrogen and oxygen and removing alkali liquor.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a water electrolysis hydrogen plant with gas prepurification function which characterized in that: the electrolysis bath comprises an electrolysis bath, an oxygen alkali liquor mixing pipeline, an oxygen tee joint connector, an oxygen alkali liquor separator, a hydrogen alkali liquor mixing pipeline, a hydrogen tee joint connector and a hydrogen alkali liquor separator, wherein one end of the oxygen alkali liquor mixing pipeline is connected with an anode gas outlet of the electrolysis bath, the other end of the oxygen alkali liquor mixing pipeline is connected with an inlet of the oxygen tee joint connector, an upper outlet of the oxygen tee joint connector is connected with a cathode gas outlet of the electrolysis bath, the other end of the hydrogen alkali liquor mixing pipeline is connected with an inlet of the hydrogen tee joint connector, an upper outlet of the hydrogen tee joint connector is connected with an inlet of the hydrogen alkali liquor separator, a lower alkali liquor outlet of the oxygen tee joint connector, a lower alkali liquor outlet of the hydrogen tee joint connector and an alkali liquor outlet of the hydrogen alkali liquor separator are connected with an alkali liquor reflux port of the lower side of the electrolysis bath, air-permeable waterproof water films are arranged in the upper gas outlet of the oxygen tee joint connector and the upper gas outlet of the hydrogen tee joint connector, and water-permeable waterproof water films are arranged in the lower alkali liquor outlet of the oxygen tee joint connector and the lower alkali liquor outlet of the hydrogen tee joint connector.
Further, the electrolytic tank is an electrolytic tank group formed by a plurality of electrolytic tank single tanks in parallel.
Further, the device also comprises a heat exchanger, wherein the lower side alkali liquor outlet of the oxygen three-way interface, the alkali liquor outlet of the oxygen alkali liquor separator, the lower side alkali liquor outlet of the hydrogen three-way interface and the alkali liquor outlet of the hydrogen alkali liquor separator are connected with one path of inlet of the heat exchanger through pipelines, one path of outlet of the heat exchanger is connected with the alkali liquor reflux port at the lower side of the electrolytic tank through pipelines, and the other path of heat exchanger is filled with cooling liquid.
Further, an oxygen outlet at the upper side of the oxygen alkali liquor separator and a hydrogen outlet at the upper side of the hydrogen alkali liquor separator are connected with subsequent purification equipment through pipelines.
Further, the oxygen tee joint interface and the hydrogen tee joint interface comprise a gas-liquid mixing distribution pipe, a gas outlet pipe and an alkali liquor discharging pipe, wherein the gas outlet pipe and the alkali liquor discharging pipe are respectively perpendicular to the gas-liquid mixing distribution pipe, one end of the gas outlet pipe is connected with the side surface of the upper end of the gas-liquid mixing distribution pipe, one end of the alkali liquor discharging pipe is connected with the side surface of the lower end of the gas-liquid mixing distribution pipe, a hydrophobic film is arranged in one end of the gas outlet pipe, which is connected with the gas-liquid mixing distribution pipe, and a hydrophilic film is arranged in one end of the alkali liquor discharging pipe, which is connected with the gas-liquid mixing distribution pipe.
Further, the pipe diameter of the gas-liquid mixing distribution pipe is larger than the pipe diameters of the gas outlet pipe and the alkali liquor discharging pipe, and the pipe diameters of the gas outlet pipe and the alkali liquor discharging pipe are larger than the pipe diameters of other connecting pipelines.
Further, the hydrophobic film adopts one of a polyphenylene sulfide fiber diaphragm, a polytetrafluoroethylene diaphragm, a polyvinylidene fluoride diaphragm and a hydrophobic carbon fiber cloth diaphragm, and is used for blocking alkali liquor from passing through and allowing hydrogen and oxygen to pass through.
Further, the hydrophilic membrane adopts one of a polydopamine modified composite polymer membrane, a hydrophilic modified polyphenylene sulfide fiber membrane, a hydrophilic carbon fiber cloth membrane, a polyether-ether-ketone membrane and a hydrophilic polyethylene membrane, and is used for preventing the passage of hydrogen and oxygen and allowing the passage of alkali liquor.
Compared with the prior art, the invention has the following advantages and effects:
1. according to the prepurification process, the gas-liquid mixture at the outlet of the electrolytic tank is subjected to preliminary gas-liquid separation based on the selective permeability of the hydrophilic/hydrophobic film before entering the gas-liquid separator, alkali liquor after the preliminary separation directly reaches the heat exchanger without passing through the gas-liquid separator, and the gas branch is introduced into the gas-liquid separator for further gas-liquid separation, and the gas-liquid prepurification device realizes the prepurification of gas;
2. the prepurification reduces the gas-liquid treatment capacity and the design size of the gas-liquid separator, and simultaneously reduces the treatment capacity and the design size of subsequent purification equipment.
Drawings
FIG. 1 is a schematic diagram of a water electrolysis hydrogen plant with gas prepurification according to the present invention.
Fig. 2 is a schematic diagram of a prior art water electrolysis hydrogen production plant.
Detailed Description
The present invention will be described in further detail by the following examples, which are illustrative of the present invention and are not intended to limit the invention thereto.
As shown in figure 1, the water electrolysis hydrogen production device with the gas pre-purification function comprises an electrolytic tank 1, an oxygen alkali liquor mixing pipeline 2, an oxygen tee joint connector 3, an oxygen alkali liquor separator 4, a hydrogen alkali liquor mixing pipeline 5, a hydrogen tee joint connector 6, a hydrogen alkali liquor separator 7 and a heat exchanger 8, wherein one end of the oxygen alkali liquor mixing pipeline 2 is connected with an anode gas outlet of the electrolytic tank 1, the other end of the oxygen alkali liquor mixing pipeline 2 is connected with an inlet of the oxygen tee joint connector 3, an upper outlet of the oxygen tee joint connector 3 is connected with an air inlet of the oxygen alkali liquor separator 4, one end of the hydrogen alkali liquor mixing pipeline 5 is connected with a cathode gas outlet of the electrolytic tank 1, the other end of the hydrogen alkali liquor mixing pipeline 5 is connected with an inlet of the hydrogen tee joint connector 6, the upper side outlet of the hydrogen tee joint interface 6 is connected with the air inlet of the hydrogen alkali liquor separator 7, the lower side alkali liquor outlet of the oxygen tee joint interface 3, the alkali liquor outlet of the oxygen alkali liquor separator 4, the lower side alkali liquor outlet of the hydrogen tee joint interface 6 and the alkali liquor outlet of the hydrogen alkali liquor separator 7 are connected with one path of inlet of the heat exchanger 8 through pipelines, one path of outlet of the heat exchanger 8 is connected with the alkali liquor reflux port of the lower side of the electrolytic tank 1 through pipelines, the other path of heat exchanger 8 is filled with cooling liquid, the upper side air outlet of the oxygen tee joint interface 3 and the upper side air outlet of the hydrogen tee joint interface 6 are both provided with breathable waterproof membranes 9, and the lower side alkali liquor outlet of the oxygen tee joint interface 3 and the lower side alkali liquor outlet of the hydrogen tee joint interface 6 are both provided with water permeable and airtight hydrophilic membranes 10.
The hydrophobic film 9 is one of a polyphenylene sulfide fiber diaphragm, a polytetrafluoroethylene diaphragm, a polyvinylidene fluoride diaphragm and a hydrophobic carbon fiber cloth diaphragm, and is used for blocking alkali liquor from passing through and allowing hydrogen and oxygen to pass through. The hydrophilic membrane 10 is one of a polydopamine modified composite polymer membrane, a hydrophilic modified polyphenylene sulfide fiber membrane, a hydrophilic carbon fiber cloth membrane, a polyether-ether-ketone membrane and a hydrophilic polyethylene membrane, and is used for blocking the passage of hydrogen and oxygen and allowing the passage of alkali liquor.
The electrolytic tank 1 is an electrolytic tank group formed by a plurality of electrolytic tank single tanks in parallel. The oxygen outlet on the upper side of the oxygen alkali liquor separator 4 and the hydrogen outlet on the upper side of the hydrogen alkali liquor separator 7 are connected with subsequent purification equipment through pipelines.
The oxygen three-way interface 3 and the hydrogen three-way interface 4 comprise a gas-liquid mixing distribution pipe 31, a gas outlet pipe 32 and an alkali liquor discharging pipe 33, wherein the gas outlet pipe 32 and the alkali liquor discharging pipe 33 are respectively perpendicular to the gas-liquid mixing distribution pipe 31, one end of the gas outlet pipe 32 is connected with the side surface of the upper end of the gas-liquid mixing distribution pipe 31, one end of the alkali liquor discharging pipe 33 is connected with the side surface of the lower end of the gas-liquid mixing distribution pipe 31, the hydrophobic film 9 is arranged in one end of the gas outlet pipe 32 connected with the gas-liquid mixing distribution pipe 31, and the hydrophilic film 10 is arranged in one end of the alkali liquor discharging pipe 33 connected with the gas-liquid mixing distribution pipe 31. The pipe diameter of the gas-liquid mixing distribution pipe 31 is larger than the pipe diameters of the gas outlet pipe 32 and the alkali liquor discharging pipe 33, and the pipe diameters of the gas outlet pipe 32 and the alkali liquor discharging pipe 33 are larger than the pipe diameters of other connecting pipelines.
According to the prepurification process, the gas-liquid mixture at the outlet of the electrolytic tank is subjected to preliminary gas-liquid separation based on the selective permeability of the hydrophilic/hydrophobic film before entering the gas-liquid separator, alkali liquor after the preliminary separation directly reaches the heat exchanger without passing through the gas-liquid separator, and the gas branch is introduced into the gas-liquid separator for further gas-liquid separation, and the gas-liquid prepurification device realizes the prepurification of gas; the prepurification reduces the gas-liquid treatment capacity and the design size of the gas-liquid separator, and simultaneously reduces the treatment capacity and the design size of subsequent purification equipment.
The foregoing description of the invention is merely exemplary of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the invention as defined in the accompanying claims.
Claims (6)
1. The utility model provides a water electrolysis hydrogen plant with gas prepurification function which characterized in that: the device comprises an electrolytic tank, an oxygen alkali liquor mixing pipeline, an oxygen tee joint connector, an oxygen alkali liquor separator, a hydrogen alkali liquor mixing pipeline, a hydrogen tee joint connector and a hydrogen alkali liquor separator, wherein one end of the oxygen alkali liquor mixing pipeline is connected with an anode gas outlet of the electrolytic tank, the other end of the oxygen alkali liquor mixing pipeline is connected with an inlet of the oxygen tee joint connector, an upper outlet of the oxygen tee joint connector is connected with a cathode gas outlet of the electrolytic tank, the other end of the hydrogen alkali liquor mixing pipeline is connected with an inlet of the hydrogen tee joint connector, an upper outlet of the hydrogen tee joint connector is connected with an inlet of the hydrogen alkali liquor separator, a lower alkali liquor outlet of the oxygen tee joint connector, a lower alkali liquor outlet of the hydrogen tee joint connector and an alkali liquor outlet of the hydrogen alkali liquor separator are connected with an alkali liquor reflux port of the lower side of the electrolytic tank, air-permeable waterproof water films are respectively arranged in the upper gas outlet of the oxygen tee joint connector and the upper gas outlet of the hydrogen tee joint connector, and water-impermeable hydrophilic films are respectively arranged in the lower alkali liquor outlet of the oxygen tee joint connector and the lower alkali liquor outlet of the hydrogen tee joint connector; the hydrophobic film adopts one of a polyphenylene sulfide fiber diaphragm, a polytetrafluoroethylene diaphragm, a polyvinylidene fluoride diaphragm and a hydrophobic carbon fiber cloth diaphragm, and is used for blocking alkali liquor from passing through and allowing hydrogen and oxygen to pass through; the hydrophilic membrane adopts one of a polydopamine modified composite polymer membrane, a hydrophilic modified polyphenylene sulfide fiber membrane, a hydrophilic carbon fiber cloth membrane, a polyether-ether-ketone membrane and a hydrophilic polyethylene membrane, and is used for preventing hydrogen and oxygen from passing through and allowing alkali liquor to pass through.
2. The water electrolysis hydrogen production apparatus with gas prepurification function according to claim 1, wherein: the electrolytic tank is an electrolytic tank group formed by a plurality of electrolytic tank single tanks in parallel.
3. The water electrolysis hydrogen production apparatus with gas prepurification function according to claim 1, wherein: the device also comprises a heat exchanger, wherein the lower side alkali liquor outlet of the oxygen three-way interface, the alkali liquor outlet of the oxygen alkali liquor separator, the lower side alkali liquor outlet of the hydrogen three-way interface and the alkali liquor outlet of the hydrogen alkali liquor separator are connected with one path of inlet of the heat exchanger through pipelines, one path of outlet of the heat exchanger is connected with the alkali liquor reflux port at the lower side of the electrolytic tank through pipelines, and the other path of heat exchanger is filled with cooling liquid.
4. The water electrolysis hydrogen production apparatus with gas prepurification function according to claim 1, wherein: the oxygen outlet at the upper side of the oxygen alkali liquor separator and the hydrogen outlet at the upper side of the hydrogen alkali liquor separator are connected with subsequent purification equipment through pipelines.
5. The water electrolysis hydrogen production apparatus with gas prepurification function according to claim 1, wherein: the oxygen tee joint interface and the hydrogen tee joint interface comprise a gas-liquid mixing distribution pipe, a gas outlet pipe and an alkali liquor discharging pipe, wherein the gas outlet pipe and the alkali liquor discharging pipe are respectively perpendicular to the gas-liquid mixing distribution pipe, one end of the gas outlet pipe is connected with the side surface of the upper end of the gas-liquid mixing distribution pipe, one end of the alkali liquor discharging pipe is connected with the side surface of the lower end of the gas-liquid mixing distribution pipe, a hydrophobic film is arranged in one end of the gas outlet pipe, which is connected with the gas-liquid mixing distribution pipe, and a hydrophilic film is arranged in one end of the alkali liquor discharging pipe, which is connected with the gas-liquid mixing distribution pipe.
6. A water electrolysis hydrogen production apparatus with gas prepurification function according to claim 5, wherein: the pipe diameters of the gas outlet pipe and the alkali liquor discharging pipe are larger than those of other connecting pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910257013.XA CN109852985B (en) | 2019-04-01 | 2019-04-01 | Water electrolysis hydrogen production device with gas pre-purification function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910257013.XA CN109852985B (en) | 2019-04-01 | 2019-04-01 | Water electrolysis hydrogen production device with gas pre-purification function |
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| CN109852985A CN109852985A (en) | 2019-06-07 |
| CN109852985B true CN109852985B (en) | 2023-12-29 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110820007A (en) * | 2019-11-14 | 2020-02-21 | 深圳大学 | PBI proton exchange membrane electrolysis module and seawater electrolysis hydrogen production device |
| CN114000171B (en) * | 2021-10-21 | 2023-04-07 | 中国华能集团清洁能源技术研究院有限公司 | Electrolytic hydrogen production system and method with hydrogen-oxygen recombination reactor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH093680A (en) * | 1995-06-26 | 1997-01-07 | Shinko Pantec Co Ltd | Hydrogen/oxygen generator |
| CN101709478A (en) * | 2009-10-27 | 2010-05-19 | 上海高企新能源科技有限公司 | Hydrogen production process by water electrolysis without electrolyte loss |
| CN101928953A (en) * | 2009-10-27 | 2010-12-29 | 上海高企新能源科技有限公司 | Water electrolysis hydrogen producing process by cooling filtering method |
| CN106119885A (en) * | 2016-07-26 | 2016-11-16 | 扬州中电制氢设备有限公司 | A kind of aqueous slkali electrolysis hydrogen production device and hydrogen production process |
| CN205710939U (en) * | 2016-06-28 | 2016-11-23 | 青岛中德伊凯新能源科技有限公司 | A kind of generator for separating hydrogen and oxygen by electrolyzing water |
| CN209873130U (en) * | 2019-04-01 | 2019-12-31 | 安思卓（南京）新能源有限公司 | Water electrolysis hydrogen production device with gas pre-purification function |
-
2019
- 2019-04-01 CN CN201910257013.XA patent/CN109852985B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH093680A (en) * | 1995-06-26 | 1997-01-07 | Shinko Pantec Co Ltd | Hydrogen/oxygen generator |
| CN101709478A (en) * | 2009-10-27 | 2010-05-19 | 上海高企新能源科技有限公司 | Hydrogen production process by water electrolysis without electrolyte loss |
| CN101928953A (en) * | 2009-10-27 | 2010-12-29 | 上海高企新能源科技有限公司 | Water electrolysis hydrogen producing process by cooling filtering method |
| CN205710939U (en) * | 2016-06-28 | 2016-11-23 | 青岛中德伊凯新能源科技有限公司 | A kind of generator for separating hydrogen and oxygen by electrolyzing water |
| CN106119885A (en) * | 2016-07-26 | 2016-11-16 | 扬州中电制氢设备有限公司 | A kind of aqueous slkali electrolysis hydrogen production device and hydrogen production process |
| CN209873130U (en) * | 2019-04-01 | 2019-12-31 | 安思卓（南京）新能源有限公司 | Water electrolysis hydrogen production device with gas pre-purification function |
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