CN219136955U - Normal-pressure small-sized hydrogen production test system by water electrolysis - Google Patents
Normal-pressure small-sized hydrogen production test system by water electrolysis Download PDFInfo
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- CN219136955U CN219136955U CN202320948625.5U CN202320948625U CN219136955U CN 219136955 U CN219136955 U CN 219136955U CN 202320948625 U CN202320948625 U CN 202320948625U CN 219136955 U CN219136955 U CN 219136955U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 25
- 239000001257 hydrogen Substances 0.000 title claims abstract description 25
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000012360 testing method Methods 0.000 title claims abstract description 22
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 42
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000741 silica gel Substances 0.000 claims abstract description 22
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 22
- 230000001502 supplementing effect Effects 0.000 claims description 25
- 239000007789 gas Substances 0.000 description 16
- 239000003513 alkali Substances 0.000 description 7
- 230000005587 bubbling Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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- 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
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- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The utility model provides a normal-pressure small-sized water electrolysis hydrogen production test system, which comprises two gas-liquid separators, wherein the inlets of the two gas-liquid separators are communicated with the outlet of an electrolytic tank, the air outlets of the gas-liquid separators are communicated with the inlet of a scrubber, the electrolytic tank comprises two end plates, a plurality of polar plates and a plurality of frame-type silica gel mats are equidistantly arranged between the two end plates, the frame-type silica gel mats and the polar plates are alternately arranged, two opposite end surfaces of the polar plates are respectively attached to the frame-type silica gel mats, the two opposite end surfaces of the polar plates are respectively provided with an electrode and a diaphragm, the electrodes and the diaphragms are respectively positioned in the frame-type silica gel mats, the diaphragms are attached to the outer ends of the electrodes, a supporting net is arranged at the middle position of the inner ends of the electrodes, the supporting net is positioned at the outer ends of the polar plates, and the front ends of the polar plates are symmetrically provided with two wiring terminals which are connected with the electrodes.
Description
Technical Field
The utility model relates to a normal-pressure small-sized water electrolysis hydrogen production test system, and belongs to the technical field of water electrolysis hydrogen production.
Background
Carbon emissions are currently considered to be the main cause of global warming, so green energy has become the main development direction of the current society, and hydrogen production by water electrolysis is an important green hydrogen source. The performance of the electrolyzer is related to the power consumption and manufacturing cost of the whole water electrolysis hydrogen production device. The lower the electricity consumption per cubic hydrogen, the lower the cost of the produced hydrogen; the larger the current density of the electrode of the electrolytic tank is, the smaller the volume of the electrolytic tank is, the lower the cost for manufacturing the electrolytic tank is, and when the electrolytic hydrogen production working process is carried out, the current, the voltage and the like of the electrode of the electrolytic tank are easy to change, so that the change of the volume of gas generated in the electrolytic tank can influence the safety, therefore, the design of a normal-pressure small-sized electrolytic hydrogen production test system is needed to solve the problems.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide a normal-pressure small-sized water electrolysis hydrogen production test system so as to solve the problems in the prior art, and the utility model achieves the aim of intuitively testing the voltage and the current of each electrode in an electrolytic tank and ensures the safety under normal pressure.
In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a small-size water electrolysis hydrogen manufacturing test system of ordinary pressure, includes two gas-liquid separator, two gas-liquid separator's import all communicates with the electrolysis trough export, gas-liquid separator's gas outlet communicates with the import of scrubber, two gas-liquid separator's liquid outlet all communicates with the circulation piece, and circulation piece communicates with the import of electrolysis trough, the electrolysis trough includes two parallel arrangement's end plate, two equidistance installation a plurality of polar plates and a plurality of frame silica gel pad between the end plate, frame silica gel pad and polar plate are arranged in turn, two terminal surfaces that the polar plate is relative all laminate frame silica gel pad, two terminal surfaces that the polar plate is relative all install electrode and diaphragm, and electrode and diaphragm all are located frame silica gel pad, the diaphragm laminating is at the electrode outwards end, the electrode sets up the supporting network towards inner intermediate position and is located the polar plate outer end, polar plate front end symmetry sets up two binding post and electrode connection.
Further, the electrolytic tank further comprises a plurality of screws which are uniformly arranged, the screws penetrate through the two end plates, the plurality of polar plates and the plurality of frame-type silica gel mats, the outer ends of the screws are symmetrically sleeved with two gaskets, the two gaskets are respectively attached to the outward ends of the two end plates, the outer ends of the screws are symmetrically connected with two nuts in a threaded mode, and the two nuts are respectively attached to the outward ends of the two gaskets.
Further, the circulating piece comprises a circulating pump, the inlet of the circulating pump is respectively communicated with the water tank and the liquid outlets of the two gas-liquid separators, the outlet of the circulating pump is communicated with the inlet of the heater, and the outlet of the heater is communicated with the liquid inlet of the electrolytic tank.
Further, the water tank is communicated with an inlet of the water supplementing pump, and an outlet of the water supplementing pump is respectively communicated with the two scrubbers.
Further, the scrubber comprises a transparent cylinder, the upper end of the transparent cylinder is connected with the upper end cover in a threaded manner and extends into the upper end cover, the lower end of the transparent cylinder is connected with the lower end cover in a threaded manner and extends into the lower end cover, one end of an air inlet pipe is arranged on the right side of the upper end cover and penetrates through the upper end cover and extends into the lower side in the transparent cylinder, the other end of the air inlet pipe is communicated with the air outlet of the gas-liquid separator, one end of a water supplementing pipe is arranged at the middle position of the upper end cover, one end of the water supplementing pipe penetrates through the upper end cover and is communicated with the transparent cylinder, and the other end of the water supplementing pipe is communicated with the outlet of the water supplementing pump.
Further, one end of a water replenishing overflow pipe is arranged at the lower end of the lower end cover, one end of the water replenishing overflow pipe penetrates through the lower end cover and extends to the upper side of the inside of the transparent cylinder, and the other end of the water replenishing overflow pipe is communicated with a liquid replenishing port of the gas-liquid separator.
The utility model has the beneficial effects that:
1. each electrode is connected with a wiring terminal, so that the purpose of intuitively testing the voltage and the current of each electrode in the electrolytic tank is achieved, and the safety is ensured under normal pressure.
2. The screw rod penetrates through the two end plates, the plurality of polar plates and the plurality of frame-type silica gel mats, the two gaskets are symmetrically sleeved on the outer end of the screw rod, and then the two nuts are symmetrically connected with the outer end of the screw rod through threads, so that the polar plates, the frame-type silica gel mats, the electrodes and the diaphragms are installed in a compressing mode, the purpose of convenient disassembly and assembly of the electrolytic tank is achieved, the assembly and maintenance and replacement are convenient, and in addition, the gaskets with different thicknesses can be used for meeting the assembly of the electrolytic tank with different thicknesses.
3. The separated gas is conveyed into water in the transparent cylinder, the separated gas appears in the water in a bubbling mode, on one hand, the gas is washed, and on the other hand, the bubbling process of the gas in a normal pressure state can be visually seen, so that the flow rate of the gas is tested, and the safety is further improved.
4. The water in the water tank is conveyed into the transparent cylinder through the water supplementing pipe by utilizing the water supplementing pump, so that water supplementing operation is realized, and in addition, water in the transparent cylinder can be enabled to overflow through the opening of the water supplementing overflow pipe, so that water in the transparent cylinder is supplemented into the gas-liquid separator through the water supplementing overflow pipe, and timely water supplementing operation is realized.
5. On one hand, the alkali liquor separated in the gas-liquid separator is pumped by the circulating pump, the pumped alkali liquor is conveyed into the heater, the heated alkali liquor is heated by the heater and then conveyed into the electrolytic tank, on the other hand, the water in the water tank is pumped by the circulating pump, the pumped water is heated by the heater and then conveyed into the electrolytic tank, the purpose of recycling resources is achieved, and the resource utilization rate is improved.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of a test system for producing hydrogen by normal pressure small-sized water electrolysis;
FIG. 2 is a schematic diagram of an electrolytic cell in a normal pressure small-sized water electrolysis hydrogen production test system according to the utility model;
FIG. 3 is a cross-sectional view of an electrolytic cell in a normal pressure small-sized water electrolysis hydrogen production test system according to the present utility model;
FIG. 4 is a schematic diagram of a scrubber in a normal pressure small-sized water electrolysis hydrogen production test system according to the present utility model.
In the figure: 1-electrolytic tank, 2-gas-liquid separator, 3-scrubber, 4-water supplementing pump, 5-water tank, 6-circulating pump, 7-heater, 8-binding post, 11-end plate, 12-polar plate, 13-frame silica gel pad, 14-gasket, 15-nut, 16-screw rod, 17-diaphragm, 18-electrode, 19-support net, 31-transparent cylinder, 32-upper end cover, 33-water supplementing pipe, 34-air inlet pipe, 35-lower end cover, 36-water supplementing overflow pipe.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
Referring to fig. 1, 2 and 3, the present utility model provides a technical solution: a test system for hydrogen production by normal pressure small-sized water electrolysis comprises two gas-liquid separators 2, two supporting nets 19 are respectively attached to the left and right ends of a polar plate 12, edge parts of two electrodes 18 are respectively clamped on the left and right ends of the polar plate 12, at the moment, the supporting nets 19 are positioned at the middle position of the inward ends of the polar plate 12, edge parts of two diaphragms 17 are respectively clamped on the left and right ends of the polar plate 12, at the moment, the diaphragms 17 are attached to the outward ends of the electrodes 18, a plurality of polar plates 12 and a plurality of frame-type silica gel mats 13 are alternately arranged and equidistantly arranged between the two polar plates 11, at the moment, two opposite end surfaces of the polar plate 12 are respectively attached to frame-type silica gel mats 13, the electrodes 18 and the diaphragms 17 are respectively positioned in the frame-type silica gel mats 13, a plurality of screws 16 are uniformly arranged to penetrate through the two polar plates 11, the plurality of polar plates 12 and the frame-type silica gel mats 13, the two gaskets 14 respectively attached to the outward ends of the two end plates 11 are symmetrically sleeved on the outer ends of the screw rods 16, the two nuts 15 respectively attached to the outward ends of the two gaskets 14 are symmetrically connected on the outer ends of the screw rods 16 in a threaded manner, so that the electrode plates 12, the frame-type silica gel pad 13, the electrodes 18 and the diaphragm 17 are tightly installed, the purpose of convenient disassembly and assembly of the electrolytic tank 1 is achieved, the assembly and maintenance replacement are convenient, in addition, the gaskets 14 with different thicknesses are used for meeting the assembly of the electrolytic tank 1 with different thicknesses, the outlet of each electrode plate 12 is respectively communicated with the inlets of the two gas-liquid separators 2, the gas-liquid separation operation is realized by utilizing the gas-liquid separators 2, the two wiring terminals 8 connected with the electrodes 18 are symmetrically arranged on the front ends of the electrode plates 12, when in use, the plurality of wiring terminals 8 are connected with the control terminal, one wiring terminal 8 is connected on each electrode 18, the purpose of intuitively testing the voltage and the current of each electrode 18 in the electrolytic tank 1 is achieved, and the safety is ensured under normal pressure, wherein the structures and the principles of the gas-liquid separator 2 and the wiring terminal 8 are all the prior art, and are not described in detail.
As shown in fig. 1 and 4, the gas outlet of the gas-liquid separator 2 is communicated with the inlet of the scrubber 3, the scrubber 3 comprises a transparent tube 31, the transparent tube 31 extending into the upper end cover 32 is connected to the lower end of the upper end cover 32 in a threaded manner, the transparent tube 31 extending into the lower end cover 35 is connected to the upper end of the lower end cover 35 in a threaded manner, two openings of the transparent tube 31 can be plugged, one end of gas separated in the gas-liquid separator 2 is communicated with the gas outlet of the gas-liquid separator 2, the other end of the gas inlet tube 34 is arranged on the right side of the upper end cover 32 and penetrates the upper end cover 32 and extends into the lower side of the inside of the transparent tube 31, so that the separated gas is conveyed into water in the transparent tube 31, the separated gas appears in a bubbling manner in water, on one hand, the bubbling process of the gas under normal pressure can be visually seen, and the flow rate of the gas is used for testing the gas, and the safety is further increased.
As shown in fig. 1 and 4, when the water level in the transparent tube 31 is lowered, the water replenishing pump 4 with an inlet communicated with the water tank 5 is started, water is pumped from the water tank 5, then the pumped water is conveyed into the water replenishing pipe 33 communicated with the outlet of the water replenishing pump 4, the water replenishing pipe 33 arranged at the middle position of the upper end cover 32 penetrates through the upper end cover 32 and is communicated with the transparent tube 31, the water replenishing pipe 33 conveys water into the transparent tube 31 to realize water replenishing operation, in addition, water in the transparent tube 31 can be overflowed through the water replenishing overflow pipe 36 with one end installed at the lower end of the lower end cover 35 and penetrating through the lower end cover 35 and extending to the upper side in the transparent tube 31, water in the transparent tube 31 enters the water replenishing overflow pipe 36, and the other end of the water replenishing overflow pipe 36 is communicated with the water replenishing opening of the gas-liquid separator 2, so that the water replenishing operation is realized in time through the water replenishing overflow pipe 36 to the gas-liquid separator 2.
As shown in fig. 1, the inlet of the circulation pump 6 is respectively communicated with the water tank 5 and the liquid outlets of the two gas-liquid separators 2, the outlet of the circulation pump 6 is communicated with the inlet of the heater 7, the outlet of the heater 7 is communicated with the liquid inlet of the electrolytic tank 1, on one hand, the circulation pump 6 is utilized to extract the alkali liquor separated from the gas-liquid separators 2 and convey the extracted alkali liquor into the heater 7, the heater 7 is utilized to heat the alkali liquor, then the heated alkali liquor is conveyed into the electrolytic tank 1, on the other hand, the circulation pump 6 is utilized to extract water in the water tank 5, the heater 7 is utilized to heat the extracted water, and then the heated water is conveyed into the electrolytic tank 1, so that the purpose of recycling resources is achieved, and the resource utilization rate is improved, wherein the structures and principles of the circulation pump 6 and the heater 7 are all of the prior art and are not described in detail.
The present disclosure describes embodiments in terms of which each embodiment does not comprise a separate embodiment, and this description is for clarity only, and those skilled in the art should consider the disclosure as a whole, and the embodiments in the examples may be combined appropriately to form other embodiments that will be understood by those skilled in the art.
Claims (6)
1. A small-size water electrolysis hydrogen manufacturing test system of ordinary pressure, its characterized in that: the device comprises two gas-liquid separators (2), wherein the inlets of the two gas-liquid separators (2) are communicated with the outlet of an electrolytic tank (1), the air outlets of the gas-liquid separators (2) are communicated with the inlet of a scrubber (3), the liquid outlets of the two gas-liquid separators (2) are communicated with a circulating piece, and the circulating piece is communicated with the inlet of the electrolytic tank (1);
the electrolytic cell (1) comprises two end plates (11) which are arranged in parallel, a plurality of pole plates (12) and a plurality of frame silica gel mats (13) are arranged between the end plates (11) at equal intervals, the frame silica gel mats (13) and the pole plates (12) are alternately arranged, two opposite end surfaces of the pole plates (12) are respectively attached to the frame silica gel mats (13), an electrode (18) and a diaphragm (17) are respectively arranged on two opposite end surfaces of the pole plates (12), the electrode (18) and the diaphragm (17) are respectively arranged in the frame silica gel mats (13), the diaphragm (17) is attached to the outward end of the electrode (18), a supporting net (19) is arranged at the middle position of the inward end of the electrode (18), the supporting net (19) is arranged on the outer end of the pole plates (12), and two wiring terminals (8) are symmetrically arranged at the front end of the pole plates (12) and are connected with the electrode (18).
2. The atmospheric pressure small-size hydro-electrolytic hydrogen production test system according to claim 1, wherein: the electrolytic tank (1) further comprises a plurality of screws (16) which are uniformly arranged, the screws (16) penetrate through the two end plates (11), the plurality of pole plates (12) and the plurality of frame-type silica gel pads (13), the outer ends of the screws (16) are symmetrically sleeved with two gaskets (14), the two gaskets (14) are respectively attached to the outer ends of the two end plates (11), the outer ends of the screws (16) are symmetrically connected with two nuts (15) in a threaded mode, and the two nuts (15) are respectively attached to the outer ends of the two gaskets (14).
3. The atmospheric pressure small-size hydro-electrolytic hydrogen production test system according to claim 1, wherein: the circulating piece comprises a circulating pump (6), wherein an inlet of the circulating pump (6) is respectively communicated with a water tank (5) and liquid outlets of the two gas-liquid separators (2), an outlet of the circulating pump (6) is communicated with an inlet of a heater (7), and an outlet of the heater (7) is communicated with a liquid inlet of the electrolytic tank (1).
4. A small atmospheric pressure hydrogen production test system by electrolysis of water according to claim 3, wherein: the water tank (5) is communicated with the inlet of the water supplementing pump (4), and the outlet of the water supplementing pump (4) is respectively communicated with the two washers (3).
5. The atmospheric pressure small-size hydro-electrolytic hydrogen production test system according to claim 4, wherein: the scrubber (3) comprises a transparent cylinder (31), an upper end cover (32) is connected with the upper end of the transparent cylinder (31) in a threaded manner and extends into the upper end cover (32), a lower end of the transparent cylinder (31) is connected with a lower end cover (35) in a threaded manner and extends into the lower end cover (35), an air inlet pipe (34) is arranged on the right side of the upper end cover (32), one end of the air inlet pipe (34) penetrates through the upper end cover (32) and extends into the lower side inside the transparent cylinder (31), the other end of the air inlet pipe (34) is communicated with an air outlet of the gas-liquid separator (2), one end of a water supplementing pipe (33) is arranged at the middle position of the upper end cover (32), one end of the water supplementing pipe (33) penetrates through the upper end cover (32) and is communicated with the transparent cylinder (31), and the other end of the water supplementing pipe (33) is communicated with an outlet of the water supplementing pump (4).
6. The atmospheric pressure small-size hydro-electrolytic hydrogen production test system according to claim 5, wherein: one end of a water supplementing overflow pipe (36) is arranged at the lower end of the lower end cover (35), one end of the water supplementing overflow pipe (36) penetrates through the lower end cover (35) and extends to the upper side inside the transparent cylinder (31), and the other end of the water supplementing overflow pipe (36) is communicated with a liquid supplementing port of the gas-liquid separator (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320948625.5U CN219136955U (en) | 2023-04-25 | 2023-04-25 | Normal-pressure small-sized hydrogen production test system by water electrolysis |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320948625.5U CN219136955U (en) | 2023-04-25 | 2023-04-25 | Normal-pressure small-sized hydrogen production test system by water electrolysis |
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| CN219136955U true CN219136955U (en) | 2023-06-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117587433A (en) * | 2023-11-22 | 2024-02-23 | 苏州希倍优氢能源科技有限公司 | Low-energy alkaline water electrolysis hydrogen production device and installation method |
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2023
- 2023-04-25 CN CN202320948625.5U patent/CN219136955U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117587433A (en) * | 2023-11-22 | 2024-02-23 | 苏州希倍优氢能源科技有限公司 | Low-energy alkaline water electrolysis hydrogen production device and installation method |
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