CN217077808U - Outdoor hydrogen production electrolytic cell - Google Patents
Outdoor hydrogen production electrolytic cell Download PDFInfo
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- CN217077808U CN217077808U CN202220114247.6U CN202220114247U CN217077808U CN 217077808 U CN217077808 U CN 217077808U CN 202220114247 U CN202220114247 U CN 202220114247U CN 217077808 U CN217077808 U CN 217077808U
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- copper bar
- electrolytic cell
- 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
Abstract
The utility model belongs to the technical field of the electrolysis trough, concretely relates to outdoor hydrogen manufacturing electrolysis trough, include: 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 utility model has the characteristics of insulating nature is good, the leakproofness is good, the installation is maintained conveniently, easy and simple to handle etc.
Description
Technical Field
The utility model belongs to the technical field of the electrolysis trough, concretely relates to outdoor hydrogen manufacturing electrolysis trough.
Background
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 an 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 generated 2 )；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.
SUMMERY OF THE UTILITY MODEL
According to the deficiency of the prior art, the utility model provides an outdoor hydrogen production electrolytic cell, have insulating nature good, the leakproofness good, installation maintenance convenient, characteristics such as easy and simple to handle.
An outdoor hydrogen manufacturing electrolytic cell, include:
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 utility model discloses the beneficial effect who has is:
(1) in addition, by means of the adjustment of the adjusting screw rods of the connecting components at the two sides, the distance of the wiring terminal structure can be adjusted conveniently during installation; 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 utility model discloses a coupling assembling can take the mode of pull to cooperate electrolysis trough body and pressure vessel shell, recycles coupling assembling and realizes fixing spacingly, and coupling assembling can realize quick installation dismantlement, does not influence the operating space of electrolysis trough body end plate again. The second flange and the matching mode of the hook ring can also adaptively adjust the safety risk problem caused by expansion with heat and contraction with cold.
(3) The utility model solves the safety problems of discharge and the like caused by the exposure of the electrode plate before 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 these 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 described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to 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 a 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 calculating, 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 above is a detailed introduction of the present invention, and the principles and embodiments of the present invention have been explained herein using specific embodiments, and the explanations of the above embodiments are only used to help understand the methods and core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (6)
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;
the binding post structure is used for an electric connection structure between the electrolytic bath body and an external power supply;
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 in a die-casting mode, 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 located 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 flange bolt through hole and an external power supply connecting hole are formed in the penetrating part from inside to outside respectively;
the terminal structure is positioned in the end socket of the pressure container shell, wherein the conductive copper bar is electrically connected with the terminal on the end plate of the adjacent electrolytic cell body, the insulating sealing ring is pressed in an end socket flange of the pressure container shell in an interference fit manner, the external power supply connecting end of the switching copper bar penetrates out of the end socket flange of the pressure container shell, the flange bolt through hole is used for a bolt of the end socket 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;
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;
the two connecting assemblies are respectively matched with end plates on two sides of the electrolytic cell body, each connecting assembly comprises a hook ring, a second flange and an adjustable screw rod, the hook rings are welded on the opening end surfaces of the adjacent shells A, each second flange is provided with an annular groove and is matched with a hook head of the hook ring, the second flange is provided with a plurality of threaded holes along the circumferential direction, each threaded hole is internally threaded with the adjustable screw rod, one end of each adjustable screw rod is abutted against the end plate of the adjacent electrolytic cell body, and the other end of each adjustable screw rod is an adjusting end;
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.
2. The outdoor hydrogen production electrolytic cell according to claim 1, 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 an electric conduction copper bar connecting end.
3. An outdoor hydrogen-production electrolytic cell according to claim 1, 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.
4. An outdoor hydrogen production electrolytic cell according to claim 1, 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.
5. An outdoor hydrogen production electrolytic cell according to claim 1, 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.
6. An outdoor hydrogen production electrolytic cell according to claim 1, characterized in that: the second flange is a split flange.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021116004727 | 2021-12-24 | ||
| CN202111600472 | 2021-12-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217077808U true CN217077808U (en) | 2022-07-29 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210050368.3A Pending CN114293204A (en) | 2021-12-24 | 2022-01-17 | Outdoor hydrogen production electrolytic cell |
| CN202220114247.6U Active CN217077808U (en) | 2021-12-24 | 2022-01-17 | Outdoor hydrogen production electrolytic cell |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210050368.3A Pending CN114293204A (en) | 2021-12-24 | 2022-01-17 | Outdoor hydrogen production electrolytic cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN114293204A (en) |
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2022
- 2022-01-17 CN CN202210050368.3A patent/CN114293204A/en active Pending
- 2022-01-17 CN CN202220114247.6U patent/CN217077808U/en active Active
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| CN114293204A (en) | 2022-04-08 |
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