CN114293204A - Outdoor hydrogen production electrolytic cell - Google Patents
Outdoor hydrogen production electrolytic cell Download PDFInfo
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- CN114293204A CN114293204A CN202210050368.3A CN202210050368A CN114293204A CN 114293204 A CN114293204 A CN 114293204A CN 202210050368 A CN202210050368 A CN 202210050368A CN 114293204 A CN114293204 A CN 114293204A
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- electrolytic cell
- copper bar
- flange
- external power
- power supply
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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 invention belongs to the technical field of electrolytic cells, and particularly relates to an outdoor hydrogen production electrolytic cell, which comprises: a pressure vessel shell having a closed space for accommodating the electrolytic cell body; an electrolytic cell body; it is characterized by also comprising: a connection assembly for limiting axial movement of the cell body along the pressure vessel shell; and the binding post structure is used for an electric connection structure between the electrolytic cell body and an external power supply. The invention has the characteristics of good insulation, good sealing performance, convenient installation and maintenance, simple and convenient operation and the like.
Description
Technical Field
The invention belongs to the technical field of electrolytic cells, and particularly relates to an outdoor hydrogen production electrolytic cell.
Background
At present, the hydrogen energy industry chain develops pyro-thermal, thereby driving the rapid growth of the hydrogen production link; the proposal of the double carbon target makes 'green hydrogen' an important way for carbon reduction and decarburization. Among them, the hydrogen production by water electrolysis is an important method for producing green hydrogen, and the scale of hydrogen production by water electrolysis is improved, so that the market of the electrolytic cell is rapidly increased.
The main reasons of the high manufacturing cost of green hydrogen are electricity price and water electrolysis hydrogen production system, and the electrolyzer is used as the key equipment of large-scale hydrogen production by renewable energy sources, and accounts for nearly 50% of the total cost of the hydrogen production system. Therefore, hydrogen energy facilities represented by electrolytic cells play a critical role in reducing the cost of hydrogen production.
The hydrogen production by electrolyzing water is characterized by that the direct current is introduced into the electrolytic bath full of electrolyte, and the water molecules produce electrochemical reaction on the electrode, and its principle is that at the cathode the water molecules are decomposed into H+And OH-，H+The electron is generated into hydrogen atom, and further hydrogen molecule (H) is generated2)；OH-Then the water passes through the porous diaphragm under the action of the electric field force between the cathode and the anode and reaches the anode, and the electrons are lost at the anode to generate a water molecule and an oxygen molecule, so that zero emission can be realized in the whole process.
The current electrolytic cell is slow in development speed, the previous electrolytic cells are small and medium sized and are basically indoors, and the consumption is low, such as aerospace hydrogen production, submarine oxygen production, nuclear power or cooling hydrogen production of thermal power units. However, the green energy source applied to the prior art reaches the ton level, is increased by hundreds of thousands of times, and needs to be installed in an outdoor environment, so higher requirements on the structure and the safety of the energy source are provided, and the improvement is needed.
Disclosure of Invention
According to the defects of the prior art, the invention provides the outdoor hydrogen production electrolytic cell which has the characteristics of good insulation, good sealing property, convenience in installation and maintenance, simplicity and convenience in operation and the like.
The invention relates to an outdoor hydrogen production electrolytic cell, which comprises:
a pressure vessel shell having a closed space for accommodating the electrolytic cell body;
an electrolytic cell body;
it is characterized by also comprising:
a connection assembly for limiting axial movement of the cell body along the pressure vessel shell;
and the binding post structure is used for an electric connection structure between the electrolytic cell body and an external power supply.
Furthermore, the wiring terminal structure comprises a conductive copper bar, an insulating sealing ring and a switching copper bar, the insulating sealing ring and the switching copper bar are integrally formed by die-casting, the switching copper bar comprises a conductive copper bar connecting end and an external power supply connecting end, the conductive copper bar connecting end is positioned in the inner space of the insulating sealing ring, an adjusting positioning hole is formed in the length direction, the adjusting positioning hole is connected with a connecting hole of the conductive copper bar through a bolt, the external power supply connecting end penetrates out of the circumferential surface of the insulating sealing ring, and a penetrating part is respectively provided with a flange bolt through hole and an external power supply connecting hole from inside to outside;
the terminal structure is located inside the end of the pressure container shell, wherein the conductive copper bar is electrically connected with the terminal on the end plate of the adjacent electrolytic tank body, the insulating sealing ring is pressed in an interference manner in the end flange of the pressure container shell, the external power supply connecting end of the switching copper bar penetrates out of the end flange of the pressure container shell, the flange bolt through hole is used for a bolt of the end flange of the pressure container shell to penetrate, and the external power supply connecting hole is used for being electrically connected with an external power supply.
Furthermore, the length of the adjusting positioning hole is 5-10 times of the diameter of the connecting hole of the conductive copper bar.
Furthermore, an insulating sleeve is nested in the through hole of the flange bolt.
Furthermore, the switching copper bar is of an L-shaped structure, one end of the switching copper bar is an external power supply connecting end, and the other end of the switching copper bar is a conductive copper bar connecting end.
Furthermore, the switching copper bar is of a T-shaped structure, two symmetrical ends of the switching copper bar are external power supply connecting ends, and the rest end of the switching copper bar is a conductive copper bar connecting end.
Furthermore, the pressure container shell comprises a shell C, a shell A and a shell B which are sequentially connected through a first flange, and the electrolytic cell body is positioned in the shell A.
Further, coupling assembling is provided with two, cooperatees with the both sides end plate of electrolysis trough body respectively, and every coupling assembling is including colluding circle, second flange and adjustable screw rod, collude the circle and weld on adjacent casing A's opening terminal surface, the second flange have an annular groove and with collude the eave tile of circle and mutually support, the second flange is provided with a plurality of screw hole along circumference, and every screw hole female connection has adjustable screw rod, adjustable screw rod's one end is inconsistent with the end plate of adjacent electrolysis trough body, and the other end is for adjusting the end.
Furthermore, a sealing ring is arranged between the second flange and the hook ring.
Furthermore, the matching surface of the annular groove of the second flange and the hook head of the hook ring is an inclined surface, and the angle between the inclined surface and the vertical section is 20-30 degrees. Through calculation, under this angle, easy to assemble and dismantlement to inclination can ensure both's collude intensity again.
Furthermore, the axial length of the annular groove of the second flange is greater than that of the hook head of the hook ring. The annular groove is reserved with a certain allowance space relative to the hook head, and when the hook head expands with heat and contracts with cold, the hook head can be adjusted in a self-adaptive mode.
Furthermore, the second flange is a split flange, so that the second flange and the hook ring can be conveniently mounted or dismounted.
Furthermore, the electrode plate group of the electrolytic cell body comprises a plurality of anode electrode plates and cathode electrode plates which are alternately arranged, the adjacent anode electrode plates and cathode electrode plates are provided with insulating spacers, the circumferential outer edges of the insulating spacers extend to two sides to form bulges, the bulges are pressed on the outer surfaces of the adjacent electrode plates, and any insulating spacer is mutually attached to the adjacent bulges between the insulating spacers.
Further, the inner surface and the side surface of the protrusion are coated with an adhesive. Or, the protrusions are bonded with the outer surface of the adjacent electrode plate through hot melting, and the protrusions between any insulating gasket and the adjacent insulating gasket are bonded through hot melting. Through the measures, the electrode plate is completely wrapped in the insulating gasket, and potential safety hazards caused by exposure of the electrode plate are prevented.
Furthermore, the wiring terminals are all sleeved with insulating sleeves. Or the outer surfaces of the binding posts are wound with insulating fiber products, and the winding thickness is preferably 1-3 mm. Or the outer surfaces of the wiring terminals are coated with insulating coatings. The measures can be used singly or in combination, and the insulation requirement of the binding post is met.
Further, the outer surface of the protrusion is wrapped with an insulating fiber product. Alternatively, the outer surface of the protrusion is coated with an insulating coating. The measures can be used singly or in combination, and the insulation requirement of the whole galvanic pile is met.
In the patent, the insulating sleeve and the insulating gasket are made of insulating materials, such as plastics, rubber, composite materials and the like; the insulating fiber product is prepared by taking a fiber product as a substrate and soaking the substrate with insulating paint, has certain mechanical strength, electrical strength and moisture resistance, also has special functions of mould prevention, electricity prevention, radiation protection and the like, and can be directly obtained through the market; the insulating coating is formed by coating and curing a commercially available insulating paint. The above mentioned materials are not limited in this patent, and only the requirements of insulation and suitable processing need to be satisfied, and all other materials capable of realizing the function should be within the protection scope of this patent.
The invention has the beneficial effects that:
(1) in the wiring terminal structure designed by the invention, the bolt can freely select a proper point position on the adjusting positioning hole to be connected with the connecting hole of the conductive copper bar, so that the adaptability of the conductive copper bar is improved, and in addition, the wiring terminal structure is convenient to adjust the distance during installation by virtue of the adjustment of the adjusting screw rods of the connecting components at two sides; the direction of the external power supply connecting end of the switching copper bar out of the pressure container shell can be adjusted according to the power supply position (both sides of the T shape can be connected; the L shape can be adjusted for 180 degrees for reversing, the installation space is large, and the assembly is convenient); the resistance is very small, so that the stable electric connection can be ensured; the insulating sealing ring and the switching copper bar are integrally formed by die-casting, and the insulating sealing ring is pressed in an end flange of the pressure vessel shell in an interference fit mode, so that the sealing and the external power supply can be guaranteed.
(2) The connecting assembly designed by the invention can be used for matching the electrolytic cell body with the pressure container shell in a drawing mode, and then fixing and limiting are realized by using the connecting assembly, so that the connecting assembly can be quickly mounted and dismounted, and the operating space of the end plate of the electrolytic cell body is not influenced. The second flange and the matching mode of the hook ring can also adaptively adjust the safety risk problem caused by expansion and contraction.
(3) The invention solves the safety problems of discharge and the like caused by the exposure of the electrode plate through the technical improvement of the insulating gasket; multiple insulation measures are taken simultaneously, and insulation measures are taken for both the electrode plate and the binding post, so that the whole electrolytic cell can meet outdoor safe operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of A-A in FIG. 1;
FIG. 3 is another schematic angle view of FIG. 2;
FIG. 4 is an enlarged schematic view at F of FIG. 2;
FIG. 5 is a schematic diagram of the structure of the terminal in FIG. 2 (not including the conductive copper bar);
FIG. 6 is another schematic structural diagram of the terminal in FIG. 2 (not including the copper conductive bar);
FIG. 7 is a schematic structural view of the electrolytic cell body in FIG. 2;
FIG. 8 is another angle schematic of FIG. 2;
FIG. 9 is an enlarged schematic view at A of FIG. 7;
in the figure: 1. the electrolytic cell comprises a pressure container shell 2, an electrolytic cell body 3, a first flange 4, a shell A5, a shell B6, a hook ring 7, a second flange 8, an adjustable screw 9, an end plate 10, a shell C11, a conductive copper bar 12, an insulating sealing ring 13, a switching copper bar 14, an adjusting positioning hole 15, a flange bolt through hole 16, an external power supply connecting hole 17, an end flange 18, an electrode plate group 19, an insulating gasket 20, a binding post 21, a bulge 22, an insulating sleeve 23 and an insulating coating.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
as shown in fig. 1-6, an outdoor hydrogen production electrolytic cell comprises:
a pressure vessel casing 1 having a closed space for accommodating the electrolytic cell body 2;
an electrolytic cell body 2;
further comprising:
a connection assembly for limiting axial movement of the cell body 2 along the pressure vessel shell;
a binding post structure for an electric connection structure between the electrolytic bath body 2 and an external power supply.
The wiring terminal structure comprises a conductive copper bar 11, an insulating sealing ring 12 and a switching copper bar 13, wherein the insulating sealing ring 12 and the switching copper bar 13 are integrally formed by die casting, the switching copper bar 13 comprises a conductive copper bar connecting end and an external power supply connecting end, the conductive copper bar connecting end is positioned in the inner space of the insulating sealing ring 12, an adjusting positioning hole 14 is formed in the length direction, the adjusting positioning hole 14 is connected with a connecting hole of the conductive copper bar 11 through a bolt, the external power supply connecting end penetrates out of the circumferential surface of the insulating sealing ring 12, and a penetrating part is respectively provided with a flange bolt through hole 15 and an external power supply connecting hole 16 from inside to outside;
the terminal structure is located inside an end of a pressure container shell 1, wherein a conductive copper bar 11 is electrically connected with a terminal 20 on an end plate 9 of an adjacent electrolytic tank body 2, an insulating sealing ring 12 is pressed in an end flange 17 of the pressure container shell 1 in an interference fit mode, an external power supply connecting end of a switching copper bar 13 penetrates through the end flange 17 of the pressure container shell 1, a flange bolt through hole 15 is used for a bolt of the end flange 17 of the pressure container shell 1 to penetrate, and an external power supply connecting hole 16 is used for being electrically connected with an external power supply.
The length of the adjusting positioning hole 14 is 6 times of the diameter of the connecting hole of the conductive copper bar 11.
And an insulating sleeve is nested in the flange bolt through hole 15.
Specifically, as shown in fig. 5, the switching copper bar 13 is a T-shaped structure, two symmetrical ends of the switching copper bar are external power connection ends, and the remaining end is a conductive copper bar connection end. In another implementation manner, as shown in fig. 6 in particular, the switching copper bar 13 is an L-shaped structure, one end of which is an external power connection end, and the other end of which is a conductive copper bar connection end.
The pressure vessel shell 1 comprises a shell C10, a shell A4 and a shell B5 which are connected in sequence through a first flange 3, and the electrolytic cell body is positioned in the shell A4.
Coupling assembling is provided with two, cooperatees with the both sides end plate 9 of electrolysis trough body 2 respectively, and every coupling assembling is including colluding circle 6, second flange 7 and adjustable screw 8, collude circle 6 and weld on adjacent casing A4's opening end face, second flange 7 has an annular groove and mutually supports with the eave tile that colludes circle 6, second flange 7 is provided with a plurality of screw hole along circumference, and every screw hole female connection has adjustable screw 8, adjustable screw 8's one end is inconsistent with the end plate 9 of adjacent electrolysis trough body 2, and the other end is for adjusting the end.
And a sealing ring is arranged between the second flange 7 and the hook ring 6.
The matching surface of the annular groove of the second flange 7 and the hook head of the hook ring 6 is an inclined plane and forms an angle of 27 degrees with the vertical section. Through calculation, under this angle, easy to assemble and dismantlement to inclination can ensure both's collude intensity again.
The axial length of the annular groove of the second flange 7 is greater than that of the hook head of the hook ring 6. The annular groove is reserved with a certain allowance space relative to the hook head, and when the hook head expands with heat and contracts with cold, the hook head can be adjusted in a self-adaptive mode.
The second flange 7 is a split flange, and is convenient to mount or dismount with the hook ring 6.
As shown in fig. 7 to 9, the electrode plate group 18 of the electrolytic cell body 2 includes a plurality of anode electrode plates and cathode electrode plates which are alternately arranged, the adjacent anode electrode plates and cathode electrode plates are provided with insulating spacers 19, the circumferential outer edge of the insulating spacer 19 extends to both sides to form protrusions 21, the protrusions 21 are pressed on the outer surfaces of the adjacent electrode plates, and any insulating spacer is attached to the protrusions 21 between the adjacent insulating spacers.
The inner surface and the side of the protrusion 21 are coated with an adhesive. Through the measures, the electrode plate is completely covered by the insulating gasket 19, and potential safety hazards caused by exposure of the electrode plate are prevented.
The terminals 20 are all sleeved with insulating sleeves 22. The insulation requirements of the terminal 20 are met.
The outer surface of the protrusion 21 is coated with an insulating coating 23. The insulation requirement of the whole galvanic pile is met.
In this embodiment, the insulating sleeve 22 and the insulating spacer 19 are made of insulating materials, such as plastics, rubber, composite materials, etc.; the insulating coating 23 is formed by coating and curing a commercially available insulating paint. The above mentioned materials are not limited in this patent, and only the requirements of insulation and suitable processing need to be satisfied, and all other materials capable of realizing the function should be within the protection scope of this patent.
The foregoing is a detailed description of the invention, and specific examples are used herein to explain the principles and implementations of the invention, the above description being merely intended to facilitate an understanding of the principles and core concepts of the invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. An outdoor hydrogen production electrolytic cell comprising:
a pressure vessel shell having a closed space for accommodating the electrolytic cell body;
an electrolytic cell body;
it is characterized by also comprising:
a connection assembly for limiting axial movement of the cell body along the pressure vessel shell;
and the binding post structure is used for an electric connection structure between the electrolytic cell body and an external power supply.
2. The outdoor hydrogen production electrolytic cell according to claim 1, wherein the binding post structure comprises a conductive copper bar, an insulating sealing ring and a switching copper bar, the insulating sealing ring and the switching copper bar are integrally formed by die casting, the switching copper bar comprises a conductive copper bar connecting end and an external power supply connecting end, the conductive copper bar connecting end is positioned in the inner space of the insulating sealing ring and is provided with an adjusting positioning hole along the length direction, the adjusting positioning hole is connected with a connecting hole of the conductive copper bar through a bolt, the external power supply connecting end penetrates out of the circumferential surface of the insulating sealing ring, and the penetrating part is respectively provided with a flange bolt through hole and an external power supply connecting hole from inside to outside;
the terminal structure is located inside the end of the pressure container shell, wherein the conductive copper bar is electrically connected with the terminal on the end plate of the adjacent electrolytic tank body, the insulating sealing ring is pressed in an interference manner in the end flange of the pressure container shell, the external power supply connecting end of the switching copper bar penetrates out of the end flange of the pressure container shell, the flange bolt through hole is used for a bolt of the end flange of the pressure container shell to penetrate, and the external power supply connecting hole is used for being electrically connected with an external power supply.
3. An outdoor hydrogen-production electrolytic cell according to claim 2, wherein the switching copper bar is of an L-shaped structure, one end of the switching copper bar is an external power supply connecting end, and the other end of the switching copper bar is a conductive copper bar connecting end.
4. An outdoor hydrogen-production electrolytic cell according to claim 2, wherein the switching copper bar is of a T-shaped structure, two symmetrical ends of the switching copper bar are external power supply connection ends, and the rest one end is a conductive copper bar connection end.
5. An outdoor hydrogen-producing electrolytic cell according to claim 1, wherein the pressure vessel shell comprises a shell C, a shell A and a shell B which are sequentially connected through a first flange, and the electrolytic cell body is positioned in the shell A.
6. An outdoor hydrogen production electrolytic cell according to claim 5, characterized in that: the utility model discloses a novel electrolytic cell, including the electrolysis trough body, coupling assembling, every coupling assembling includes that collude circle, second flange and adjustable screw rod, collude the circle and weld on adjacent casing A's opening terminal surface, the second flange has an annular groove and mutually supports with the eave tile that colludes the circle, the second flange is provided with a plurality of screw hole along circumference, and every screw hole female connection has adjustable screw rod, adjustable screw rod's one end is inconsistent with the end plate of adjacent electrolysis trough body, and the other end is the regulation end.
7. An outdoor hydrogen production electrolytic cell according to claim 6, characterized in that: the matching surface of the annular groove of the second flange and the hook head of the hook ring is an inclined plane and forms an angle of 20-30 degrees with the vertical section.
8. An outdoor hydrogen production electrolytic cell according to claim 6, characterized in that: the axial length of the annular groove of the second flange is greater than that of the hook head of the hook ring.
9. An outdoor hydrogen production electrolytic cell according to claim 6, characterized in that: the second flange is a split flange.
10. An outdoor hydrogen production electrolytic cell according to claim 1, characterized in that: the electrode plate group of the electrolytic cell body comprises a plurality of anode electrode plates and cathode electrode plates which are alternately arranged, wherein the adjacent anode electrode plates and cathode electrode plates are provided with insulating spacers, the circumferential outer edges of the insulating spacers extend to two sides to form bulges, the bulges are pressed on the outer surfaces of the adjacent electrode plates, and any insulating spacer is mutually attached to the adjacent bulges between the insulating spacers.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111600472 | 2021-12-24 | ||
| CN2021116004727 | 2021-12-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114293204A true CN114293204A (en) | 2022-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220114247.6U Active CN217077808U (en) | 2021-12-24 | 2022-01-17 | Outdoor hydrogen production electrolytic cell |
| CN202210050368.3A Pending CN114293204A (en) | 2021-12-24 | 2022-01-17 | Outdoor hydrogen production electrolytic cell |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220114247.6U Active CN217077808U (en) | 2021-12-24 | 2022-01-17 | Outdoor hydrogen production electrolytic cell |
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| CN (2) | CN217077808U (en) |
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- 2022-01-17 CN CN202220114247.6U patent/CN217077808U/en active Active
- 2022-01-17 CN CN202210050368.3A patent/CN114293204A/en active Pending
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| CN217077808U (en) | 2022-07-29 |
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