CN212404296U - Isolation protection device for water electrolysis hydrogen production - Google Patents
Isolation protection device for water electrolysis hydrogen production Download PDFInfo
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- CN212404296U CN212404296U CN202020867438.0U CN202020867438U CN212404296U CN 212404296 U CN212404296 U CN 212404296U CN 202020867438 U CN202020867438 U CN 202020867438U CN 212404296 U CN212404296 U CN 212404296U
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- alkali liquor
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 127
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 127
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 70
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 22
- 238000002955 isolation Methods 0.000 title claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 108
- 239000001301 oxygen Substances 0.000 claims abstract description 105
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 105
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 101
- 239000003513 alkali Substances 0.000 claims abstract description 93
- 230000007704 transition Effects 0.000 claims abstract description 68
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 52
- 238000004891 communication Methods 0.000 claims description 21
- 238000010992 reflux Methods 0.000 claims description 5
- 230000007306 turnover Effects 0.000 claims description 3
- 239000012670 alkaline solution Substances 0.000 claims 2
- 230000007246 mechanism Effects 0.000 abstract description 13
- 239000003792 electrolyte Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 238000005474 detonation Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 230000000630 rising effect Effects 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 relates to a water electrolysis hydrogen manufacturing field specifically relates to an isolation protection device of water electrolysis hydrogen manufacturing, including oxygen separator, hydrogen separator, alkali lye transition pipe and intercommunication pipeline, the lateral part of oxygen separator and hydrogen separator all communicates there is one alkali lye transition pipe, the output of two alkali lye transition pipes passes through intercommunication pipeline connection is equipped with floater, valve plug and connecting rod in the alkali lye transition pipe, the floater the valve plug with the coaxial setting of connecting rod is equipped with floater and valve plug on the connecting rod, and the floater and the valve plug setting are run through at the both ends of connecting rod, and the valve plug is located the floater bottom, the utility model discloses respectively set up the alkali lye transition pipe of a intercommunication to oxygen separator, hydrogen separator to set up liquid level difference actuating mechanism in the alkali lye transition pipe, ensure that oxygen separator, hydrogen separator liquid level difference are in safe threshold value all the time.
Description
Technical Field
The utility model relates to a water electrolysis hydrogen manufacturing field specifically relates to an isolation protection device of water electrolysis hydrogen manufacturing.
Background
The water electrolysis hydrogen production is a convenient method for producing hydrogen. Direct current is introduced into an electrolytic cell filled with electrolyte, and water molecules are subjected to electrochemical reaction on electrodes and are decomposed into hydrogen and oxygen. The liquid levels of a hydrogen separator and an oxygen separator in the water electrolysis hydrogen production process are important safety parameters for ensuring the operation of the whole hydrogen production device, and the liquid level difference in the hydrogen and oxygen separators must be strictly controlled to avoid the detonation generated after the hydrogen and the oxygen are mixed together through a pipeline, so that the detonation is caused because the hydrogen or the oxygen is mixed into the other separator due to the liquid levels due to manual operation and the reason of the separator device body, and the device damage and the potential safety hazard are caused. In order to fundamentally eliminate the potential safety hazard from the design source, it is necessary to develop and design a safety device for producing hydrogen by water electrolysis.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an isolation protection device of water electrolysis hydrogen manufacturing is provided, this technical scheme has solved hydrogen in hydrogen, the oxygen separator and has produced the detonation after hydrogen and oxygen pass through the pipeline and mix together, and this isolation protection device respectively sets up the alkali lye transition pipe of a intercommunication to oxygen separator, hydrogen separator to set up liquid level difference actuating mechanism in the alkali lye transition pipe, ensured that oxygen separator, hydrogen separator liquid level difference are in safe threshold value all the time.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides an isolation protection device of water electrolysis hydrogen manufacturing, including oxygen separator, hydrogen separator, alkali lye transition pipe and intercommunication pipeline, the lateral part of oxygen separator and hydrogen separator all communicates there is one alkali lye transition pipe, and the output of two alkali lye transition pipes passes through the intercommunication pipeline is connected, is equipped with floater, valve plug and connecting rod in the alkali lye transition pipe, the floater the valve plug with the coaxial setting of connecting rod is equipped with floater and valve plug on the connecting rod, and the floater and the valve plug setting are run through at the both ends of connecting rod, and the valve plug is located the floater bottom.
Optionally, the bottom ends of the oxygen separator and the hydrogen separator are respectively provided with an oxygen end alkali liquor outlet and a hydrogen end alkali liquor outlet, the side wall of the alkali liquor transition pipe is provided with a liquid inlet, the oxygen end alkali liquor outlet and the hydrogen end alkali liquor outlet are communicated with the liquid inlet, the side walls of the oxygen separator and the hydrogen separator are respectively provided with an oxygen end backflow port and a hydrogen end backflow port, the side wall of the alkali liquor transition pipe is provided with a liquid return port, and the oxygen end backflow port and the hydrogen end backflow port are communicated with the liquid return port.
Optionally, a first oxygen-end one-way valve is arranged at a communication position of the oxygen-end alkali liquor outlet and the liquid inlet, a first hydrogen-end one-way valve is arranged at a communication position of the hydrogen-end alkali liquor outlet and the liquid inlet, a second oxygen-end one-way valve is arranged at a communication position of the oxygen-end backflow port and the liquid return port, and a second hydrogen-end one-way valve is arranged at a communication position of the hydrogen-end backflow port and the liquid return port.
Optionally, the side wall of the oxygen separator is provided with an oxygen inlet and an alkali liquor inlet, the top end of the oxygen separator is provided with an oxygen outlet, the side wall of the hydrogen separator is provided with a hydrogen inlet and an alkali liquor inlet, the top end of the hydrogen separator is provided with a hydrogen outlet, the bottom end of the alkali liquor transition pipe is provided with a liquid outlet, the liquid outlet is connected with the output end of the communicating pipeline, and the communicating pipeline is provided with a pump connecting pipe.
Optionally, the connecting rod includes first rod end, second rod end and third rod end, the floater with be equipped with between the valve plug the second rod end, the top of floater is equipped with first rod end, the bottom of valve plug is equipped with the third rod end.
Optionally, the end portions of the first rod end and the second rod end are provided with rollers.
Optionally, a plurality of support rods are circumferentially distributed on the floating ball, one end of each support rod is connected with the floating ball, the other end of each support rod is connected with a support plate, the support plates are in fan-shaped ring shapes, and the support plates are in contact connection with the inner wall of the alkali liquor transition pipe.
Optionally, a plurality of balls are arranged on the end face of one end of the second rod end far away from the support plate.
Optionally, the valve plug is inverted circular truncated cone form, the liquid outlet be with valve plug matched with inverted circular truncated cone form opening.
Optionally, a magnetic turn-over opening meter is arranged at the liquid outlet.
Compared with the prior art, the utility model beneficial effect who has is:
the oxygen separator and the hydrogen separator are respectively provided with a communicated alkali liquor transition pipe, the alkali liquor transition pipes are internally provided with a liquid level difference executing mechanism, the alkali liquor transition pipes can be linked according to the up-and-down fluctuation of the liquid levels in the oxygen separator and the hydrogen separator, when the liquid levels of the oxygen separator and the hydrogen separator are lower than a designed liquid level interlocking position, the liquid levels can be isolated and prevented from continuously descending, under the action of a water pump arranged at the communicated pipeline, the liquid levels return to a normal value from the interlocking position, and the liquid level difference executing mechanism ensures that the liquid level difference of the oxygen separator and the hydrogen separator is always in a safe threshold value, so that the phenomenon that hydrogen or oxygen is strung into the separators of the other side due to the liquid levels to cause detonation, equipment damage and potential.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the transition pipe of alkali liquor in the present invention;
fig. 3 and 4 are schematic structural diagrams of the liquid level difference actuator according to the present invention in two different states.
The reference numbers in the figures are:
1-an oxygen separator; 1 a-oxygen and lye inlets; 1 b-an oxygen end alkali liquor outlet; 1b 1-oxygen side first one-way valve; 1 c-an oxygen outlet; 1 d-oxygen port reflux port; 1d 1-oxygen side second check valve;
a 2-hydrogen separator; 2 a-hydrogen and lye inlets; 2 b-a hydrogen end alkali liquor outlet; 2b 1-hydrogen side first check valve; 2 c-a hydrogen outlet; 2 d-hydrogen port reflux;
2d 1-hydrogen side second check valve;
3-alkali liquor transition pipe; 3 a-a floating ball; 3a 1-support bar; 3a 2-support plate; 3a 3-balls; 3 b-a valve plug; 3 c-a connecting rod; 3c1 — first rod end; 3c 2-second rod end; 3c 3-third rod end; 3c 4-roller; 3 d-a liquid inlet; 3 e-a liquid outlet; 3 f-a liquid return port;
4-a connecting pipe; 4 a-Pump connection pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As a preferred embodiment of the utility model, the utility model provides an isolation protection device of water electrolysis hydrogen manufacturing, including oxygen separator, hydrogen separator, alkali lye transition pipe and intercommunication pipeline, the lateral part of oxygen separator and hydrogen separator all communicates there is one alkali lye transition pipe, the output of two alkali lye transition pipes passes through the intercommunication pipeline is connected, is equipped with floater, valve plug and connecting rod in the alkali lye transition pipe, the floater the valve plug with the coaxial setting of connecting rod is equipped with floater and valve plug on the connecting rod, and the floater and the valve plug setting are run through at the both ends of connecting rod, and the valve plug is located the floater bottom.
Through the design of the isolation protection device, the oxygen separator and the hydrogen separator are respectively provided with an alkali liquor transition pipe which is communicated, and a liquid level difference execution mechanism is arranged in the alkali liquor transition pipe, the alkali liquor transition pipe can be linked according to the up-and-down fluctuation of the liquid levels in the oxygen separator and the hydrogen separator, when the liquid levels of the oxygen separator and the hydrogen separator are lower than a designed liquid level interlocking position, the liquid level can be isolated and prevented from continuously descending, under the action of a water pump arranged at the position of a communication pipeline, the liquid level returns to a normal value from the interlocking position, and the liquid level difference execution mechanism ensures that the liquid level difference of the oxygen separator and the hydrogen separator is always in a safe threshold value, so that the phenomenon that the hydrogen or the oxygen is mixed into the separator of the other side due to the liquid level to.
The preferred embodiments of the present invention will be described with reference to the accompanying drawings.
Referring to fig. 1, the isolation protection device comprises an oxygen separator 1, a hydrogen separator 2, an alkali liquor transition pipe 3 and a communication pipeline 4, wherein the side parts of the oxygen separator 1 and the hydrogen separator 2 are both communicated with one alkali liquor transition pipe 3, the output ends of the two alkali liquor transition pipes 3 are connected through the communication pipeline 4, the bottom ends of the oxygen separator 1 and the hydrogen separator 2 are respectively provided with an oxygen end alkali liquor outlet 1b and a hydrogen end alkali liquor outlet 2b, the side wall of the alkali liquor transition pipe 3 is provided with a liquid inlet 3d, the oxygen end alkali liquor outlet 1b and the hydrogen end alkali liquor outlet 2b are communicated with the liquid inlet 3d, the side walls of the oxygen separator 1 and the hydrogen separator 2 are respectively provided with an oxygen end backflow port 1d and a hydrogen end backflow port 2d, the side wall of the alkali liquor transition pipe 3 is provided with a liquid return port 3f, the oxygen end backflow port 1d and the hydrogen end backflow port 2d are communicated with the liquid return port 3f, the side wall of the, the top of oxygen separator 1 is equipped with oxygen outlet 1c, and the lateral wall of hydrogen separator 2 is equipped with hydrogen and alkali lye entry 2a, and the top of hydrogen separator 2 is equipped with hydrogen outlet 2c, and the bottom of alkali lye transition pipe 3 is equipped with liquid outlet 3e, and liquid outlet 3e is connected with the output of communicating pipe 4, is equipped with pump connecting pipe 4a on the communicating pipe 4. Be equipped with floater 3a in the alkali liquor transition pipe 3, valve plug 3b and connecting rod 3c, floater 3a, valve plug 3b and the coaxial setting of connecting rod 3c, be equipped with floater 3a and valve plug 3b on the connecting rod 3c, the both ends of connecting rod 3c run through floater 3a and the setting of valve plug 3b, valve plug 3b is located the floater 3a bottom, connecting rod 3c includes first rod end 3c1, second rod end 3c2 and third rod end 3c3, be equipped with second rod end 3c2 between floater 3a and the valve plug 3b, the top of floater 3a is equipped with first rod end 3c1, the bottom of valve plug 3b is equipped with third rod end 3c 3. The float ball 3a, the valve plug 3b and the connecting rod 3c constitute a liquid level difference actuating mechanism.
In this embodiment, the oxygen end backflow port 1d is located at the top of the oxygen end alkali liquor outlet 1b, the hydrogen end backflow port 2d is located at the top of the hydrogen end alkali liquor outlet 2b, a first oxygen end check valve 1b1 is arranged at the communication position between the oxygen end alkali liquor outlet 1b and the liquid inlet 3d, a first hydrogen end check valve 2b1 is arranged at the communication position between the hydrogen end alkali liquor outlet 2b and the liquid inlet 3d, a second oxygen end check valve 1d1 is arranged at the communication position between the oxygen end backflow port 1d and the liquid return port 3f, and a second hydrogen end check valve 2d1 is arranged at the communication position between the hydrogen end backflow port 2d and the liquid return port 3 f.
Referring to fig. 2, the valve plug 3b is in the shape of an inverted circular truncated cone, the liquid outlet 3e is in the shape of an inverted circular truncated cone through hole matched with the valve plug 3b, and a magnetic inversion opening meter is arranged at the liquid outlet 3 e.
Oxygen and alkaline electrolyte separated from the electrolytic cell enter the oxygen separator 1 through the oxygen and alkaline liquid inlet 1a, meanwhile, the oxygen and the alkaline electrolyte separated from the electrolytic cell enter the hydrogen separator 2 through the hydrogen and alkaline liquid inlet 2a, liquid and gas are separated in the oxygen separator 1 and the hydrogen separator 2, the obtained gas, namely the oxygen and the hydrogen are sequentially discharged from the oxygen separator 1, an oxygen outlet 1c and a hydrogen outlet 2c at the top of the hydrogen separator 2, and coolers, drip-compensating devices and the like can be arranged at the oxygen outlet 1c and the hydrogen outlet 2c, so that the oxygen and the hydrogen are cooled and further separated in the process, and the purity of the collected gas is ensured to be higher. The alkaline electrolyte of the oxygen separator 1 and the hydrogen separator 2 sequentially flows into an alkaline liquid transition pipe 3 correspondingly communicated with the oxygen separator 1 and the hydrogen separator 2 through an oxygen end alkaline liquid outlet 1b and a hydrogen end alkaline liquid outlet 2b to control the liquid level difference. When alkaline electrolyte gets into alkali liquor transition pipe 3 back through oxygen end alkali liquor export 1b, liquid level in the alkali liquor transition pipe 3 with oxygen separator 1 intercommunication rises, this alkali liquor transition pipe 3 in liquid level difference actuating mechanism's floater 3a also can rise along with also rising, floater 3a passes through connecting rod 3c and is connected with valve plug 3b, consequently, valve plug 3b also can rise, valve plug 3b can separate rather than complex liquid outlet 3e, liquid outlet 3e is the export that liquid got into communicating pipe 4 in the alkali liquor transition pipe 3, consequently, the velocity of flow grow of alkaline electrolyte in the oxygen separator 1, the liquid level is fast that descends in the alkali liquor transition pipe 3 with oxygen separator 1 intercommunication promptly. In the double system formed by the oxygen separator 1 and the hydrogen separator 2, therefore, the total liquid level is fixed, and in the process that the liquid level in the alkali liquor transition pipe 3 at the side part of the oxygen separator 1 rises, the liquid level in the alkali liquor transition pipe 3 at the side part of the hydrogen separator 2 can drop under the action of the water pump arranged at the pump connecting pipe 4a, and the flow rate of the alkaline electrolyte in the hydrogen separator 2 is reduced. In the process of continuously descending the liquid level in the alkali liquor transition pipe 3 at the side part of the hydrogen separator 2, the principle of the liquid level difference actuating mechanism in the alkali liquor transition pipe 3 at the side part of the oxygen separator 1 is consistent, a floating ball 3a in the hydrogen separator 2 descends along with the descending of the liquid level, a valve plug 3b in the alkali liquor transition pipe 3 gradually plugs a liquid outlet 3e, as the liquid outlet 3e is in an inverted circular truncated cone shape, the liquid outlet 3e is an inverted circular truncated cone-shaped through hole matched with the valve plug 3b, in the process of gradually descending the valve plug 3b and plugging the liquid outlet 3e, the size of a communication opening of the liquid outlet 3e and a communication pipeline 4 is gradually reduced, the shape of the liquid outlet 3e is designed, the phenomenon that a common valve such as a ball valve is blocked at the liquid outlet 3e can be avoided, a magnetic turnover meter can display the stroke state of the liquid level difference actuating mechanism, after, at this time, the alkali liquor transition pipe 3 is in an interlocking position and abuts against the communicating pipeline 4 through the third rod end 3c3, so that the valve plug 3b cannot continuously move downwards, and the liquid level difference actuating mechanism reaches the end point of the stroke, namely, the flow of the liquid level in the alkali liquor transition pipe 3 is completely isolated. In a similar way, because the total liquid level in the dual system is fixed, the liquid level in the alkali liquor transition pipe 3 at the side part of the hydrogen separator 2 can rise under the action of the water pump arranged at the pump connecting pipe 4a in the descending process, and the liquid level in the alkali liquor transition pipe 3 at the side part of the oxygen separator 1 can rise, so that the flow rate of the alkali electrolyte in the oxygen separator 1 can be increased. The lateral parts of the oxygen separator 1 and the hydrogen separator 2 are respectively provided with the alkali liquor transition pipe 3, and the alkali liquor transition pipe 3 is internally provided with the liquid level difference executing mechanism, so that the total flow in the dual system is constant, under the compensation action of the water pump connected with the communication pipeline 4, when the liquid level in the alkali liquor transition pipe 3 exceeds the position of the oxygen end backflow port 1d or the hydrogen end backflow port 2d, the liquid level in the oxygen separator 1 and the hydrogen separator 2 is controlled by refluxing into the oxygen separator 1 or the hydrogen separator 2 through the oxygen end second one-way valve 1d1 and the hydrogen end second one-way valve 2d1, so that the liquid level difference in the oxygen separator 1 and the hydrogen separator 2 is always in a safe threshold value, and the danger caused by the continuous descending of the liquid level in the oxygen separator 1 or the hydrogen separator 2 is avoided.
Referring to fig. 3 and 4, the rollers 3c4 are disposed at the ends of the first rod end 3c1 and the second rod end 3c2, the first rod end 3c1 is disposed to limit the total stroke of the float ball 3a that can float up by abutting against the top of the lye transition pipe 3, and the third rod end 3c3 is disposed to control the total stroke of the valve plug 3b that can descend by abutting against the communication pipe 4, so that the connecting rod 3c connects the float ball 3a and the valve plug 3b and also controls the total stroke of the liquid level difference actuator. The arrangement of the roller 3c4 avoids the connecting rod 3c from damaging the inner walls of the alkali liquor transition pipe 3 and the communicating pipeline 4.
A plurality of support rods 3a1 are circumferentially distributed on the floating ball 3a, one end of each support rod 3a1 is connected with the floating ball 3a, the other end of each support rod 3a1 is connected with a support plate 3a2, the support plates 3a2 are arranged in a fan-ring shape, and the support plates 3a2 are in contact connection with the inner wall of the alkali liquor transition pipe 3. In consideration of the ascending and descending processes of the floating ball 3a driving the valve plug 3b, the valve plug 3b can enter the liquid outlet 3e or be separated from the liquid outlet 3e, in this embodiment, the liquid outlet 3e is arranged at the central position of the bottom end of the alkali liquor transition pipe 3, the alkali liquor transition pipe 3 is arranged in a cylindrical shape, and through the arrangement of (3b2), the valve plug 3b is in the ascending and descending processes, and is in a straight posture, and the liquid level difference executing mechanism can normally operate. The end surface of the second rod end 3c2, which is far away from the end surface of the support plate 3a2, is provided with a plurality of balls 3a3, and the balls 3a3 prevent the support plate 3a2 from damaging the inner wall of the alkali liquor transition pipe 3 when contacting the inner wall of the alkali liquor transition pipe 3.
Claims (10)
1. The utility model provides an isolation protection device of water electrolysis hydrogen manufacturing, its characterized in that, includes oxygen separator (1), hydrogen separator (2), alkali lye transition pipe (3) and intercommunication pipeline (4), and the lateral part of oxygen separator (1) and hydrogen separator (2) all communicates one alkali lye transition pipe (3), the output of two alkali lye transition pipes (3) passes through intercommunication pipeline (4) are connected, are equipped with floater (3a), valve plug (3b) and connecting rod (3c) in alkali lye transition pipe (3), floater (3a), valve plug (3b) and the coaxial setting of connecting rod (3c), are equipped with floater (3a) and valve plug (3b) on connecting rod (3c), and the both ends of connecting rod (3c) are run through floater (3a) and valve plug (3b) setting, and valve plug (3b) are located floater (3a) bottom.
2. The isolation protection device for hydrogen production by water electrolysis as claimed in claim 1, wherein the bottom ends of the oxygen separator (1) and the hydrogen separator (2) are respectively provided with an oxygen end alkali liquor outlet (1b) and a hydrogen end alkali liquor outlet (2b), the side wall of the alkali liquor transition pipe (3) is provided with a liquid inlet (3d), the oxygen end alkali liquor outlet (1b) and the hydrogen end alkali liquor outlet (2b) are communicated with the liquid inlet (3d), the side walls of the oxygen separator (1) and the hydrogen separator (2) are respectively provided with an oxygen end backflow port (1d) and a hydrogen end backflow port (2d), the side wall of the alkali liquor transition pipe (3) is provided with a liquid return port (3f), and the oxygen end backflow port (1d) and the hydrogen end backflow port (2d) are communicated with the liquid return port (3 f).
3. The isolation protection device for hydrogen production by water electrolysis as claimed in claim 2, wherein a first one-way valve (1b1) at the oxygen end is arranged at the communication position of the alkaline solution outlet (1b) at the oxygen end and the liquid inlet (3d), a first one-way valve (2b1) at the hydrogen end is arranged at the communication position of the alkaline solution outlet (2b) at the hydrogen end and the liquid inlet (3d), a second one-way valve (1d1) at the oxygen end is arranged at the communication position of the reflux port (1d) at the oxygen end and the liquid return port (3f), and a second one-way valve (2d1) at the hydrogen end is arranged at the communication position of the reflux port (2d) at the hydrogen end and the liquid return port (3 f).
4. The isolation protection device for hydrogen production by water electrolysis according to claim 3, wherein the side wall of the oxygen separator (1) is provided with an oxygen and alkali liquor inlet (1a), the top end of the oxygen separator (1) is provided with an oxygen outlet (1c), the side wall of the hydrogen separator (2) is provided with a hydrogen and alkali liquor inlet (2a), the top end of the hydrogen separator (2) is provided with a hydrogen outlet (2c), the bottom end of the alkali liquor transition pipe (3) is provided with a liquid outlet (3e), the liquid outlet (3e) is connected with the output end of the communication pipeline (4), and the communication pipeline (4) is provided with a pump connecting pipe (4 a).
5. The isolation protection device for hydrogen production by water electrolysis as claimed in claim 4, wherein the connecting rod (3c) comprises a first rod end (3c1), a second rod end (3c2) and a third rod end (3c3), the second rod end (3c2) is arranged between the floating ball (3a) and the valve plug (3b), the first rod end (3c1) is arranged at the top end of the floating ball (3a), and the third rod end (3c3) is arranged at the bottom end of the valve plug (3 b).
6. The isolation protection device for hydrogen production by water electrolysis as claimed in claim 5, wherein the ends of the first rod end (3c1) and the second rod end (3c2) are provided with rollers (3c 4).
7. The isolation protection device for hydrogen production by water electrolysis as claimed in claim 5, wherein a plurality of support rods (3a1) are circumferentially distributed on the floating ball (3a), one end of each support rod (3a1) is connected with the floating ball (3a), the other end of each support rod (3a1) is connected with a support plate (3a2), the support plates (3a2) are arranged in a fan-ring shape, and the support plates (3a2) are in contact connection with the inner wall of the alkali liquor transition pipe (3).
8. The isolation protection device for hydrogen production by water electrolysis as claimed in claim 5, wherein the end face of the second rod end (3c2) far away from the support plate (3a2) is provided with a plurality of balls (3a 3).
9. The isolation protection device for hydrogen production by water electrolysis as claimed in claim 8, wherein the valve plug (3b) is in the shape of an inverted truncated cone, and the liquid outlet (3e) is in the shape of an inverted truncated cone through opening matched with the valve plug (3 b).
10. The isolation protection device for hydrogen production by water electrolysis as claimed in claim 8, wherein a magnetic turn-over opening meter is arranged at the liquid outlet (3 e).
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| CN202020867438.0U CN212404296U (en) | 2020-05-21 | 2020-05-21 | Isolation protection device for water electrolysis hydrogen production |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114134527A (en) * | 2021-12-15 | 2022-03-04 | 考克利尔竞立(苏州)氢能科技有限公司 | Water electrolysis hydrogen production device and method with multiple electrolytic baths |
| CN114717577A (en) * | 2022-05-09 | 2022-07-08 | 中国华能集团清洁能源技术研究院有限公司 | Hydrogen-oxygen self-balancing device and method for water electrolysis hydrogen production system |
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2020
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114134527A (en) * | 2021-12-15 | 2022-03-04 | 考克利尔竞立(苏州)氢能科技有限公司 | Water electrolysis hydrogen production device and method with multiple electrolytic baths |
| CN114134527B (en) * | 2021-12-15 | 2024-03-12 | 考克利尔竞立(苏州)氢能科技有限公司 | Water electrolysis hydrogen production device and method with multiple electrolytic tanks |
| CN114717577A (en) * | 2022-05-09 | 2022-07-08 | 中国华能集团清洁能源技术研究院有限公司 | Hydrogen-oxygen self-balancing device and method for water electrolysis hydrogen production system |
| CN114717577B (en) * | 2022-05-09 | 2024-01-26 | 中国华能集团清洁能源技术研究院有限公司 | Oxyhydrogen self-balancing device and method for electrolytic water hydrogen production system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Suzhou Jingli Hydrogen-making Equipment Co.,Ltd. Assignor: Cochlear Jingli (Suzhou) Hydrogen Technology Co.,Ltd. Contract record no.: X2024990000494 Denomination of utility model: Isolation and protection device for hydrogen production by water electrolysis Granted publication date: 20210126 License type: Common License Record date: 20241010 |