CN217266053U - Electrolytic cell unit and system - Google Patents

Electrolytic cell unit and system Download PDF

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Publication number
CN217266053U
CN217266053U CN202220259351.4U CN202220259351U CN217266053U CN 217266053 U CN217266053 U CN 217266053U CN 202220259351 U CN202220259351 U CN 202220259351U CN 217266053 U CN217266053 U CN 217266053U
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shell
electrolysis cell
electrolytic cell
flange
casing
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陈芳
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Yangzhou Ledao Energy Technology Co ltd
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Yangzhou Ledao Energy Technology Co ltd
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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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/133—Renewable energy sources, e.g. sunlight

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  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Abstract

The utility model belongs to the technical field of hydrogen manufacturing electrolytic cell, a electrolytic cell unit and system is related to. An electrolytic cell unit comprising: a pressure vessel housing unit having a closed space accommodating the electrolytic cell body; the electrolytic cell comprises two electrolytic cell bodies, wherein the two electrolytic cell bodies are sequentially arranged in the pressure container shell unit along the axial direction, and the two electrolytic cell bodies are distributed in parallel on a circuit. The electrolytic cell system is formed by connecting a plurality of electrolytic cell units in series. The utility model discloses a to the upgrading transformation of structure, adopt the mode of series-parallel connection combination, realized many equipment rational arrangement and use, for many simple equipment more portable also safer, very big expansion the productivity.

Description

Electrolytic cell unit and system
Technical Field
The utility model belongs to the technical field of hydrogen manufacturing electrolysis trough, a electrolysis trough unit and system is related to.
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 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 present invention reaches the ton level and is multiplied by hundreds of thousands. The existing electrolytic cell is a single device, the single device can be tested according to the pressure vessel standard, and can only leave a factory according with requirements, because the voltage can not be increased without limit, the number of the electrode plates is limited within a certain number, a plurality of devices can only be used together in order to expand the capacity, the internal coordination is needed when the plurality of devices are used together, and liquid and gas pipelines are also well coordinated among the devices. Therefore, the expansion of the productivity is greatly restricted.
SUMMERY OF THE UTILITY MODEL
According to the not enough of prior art above, the utility model provides an electrolysis trough unit and system through the upgrading transformation to the structure, adopts the mode of series-parallel connection combination, has realized many equipment rational layout and use, and is portable also safer for many simple equipment, very big expansion the productivity.
An electrolytic cell unit, comprising:
a pressure vessel housing unit having a closed space accommodating the electrolytic cell body;
the electrolytic bath bodies are sequentially arranged in the pressure container shell unit along the axial direction, and the two electrolytic bath bodies are distributed in parallel on a circuit or respectively connected with an external power supply.
Preferably, the electrolytic cell unit mainly has the following two realization modes, but is not limited to the following two realization modes:
in a first implementation manner of the electrolytic cell unit, the pressure container shell unit comprises a shell A and end covers connected with two sides of the shell A through first flanges respectively, and end plates positioned on the inner sides of two electrolytic cell bodies are arranged in a clearance mode through disc springs;
the end plates positioned on the inner sides of the two electrolytic bath bodies are electrically connected with the anode of an external power supply through metal wiring boards, and the end plates positioned on the outer sides of the two electrolytic bath bodies are electrically connected with the cathode of the external power supply through the metal wiring boards;
the top of the shell A at the position of the disc spring is respectively provided with an oxygen outlet and a hydrogen outlet, and the bottom of the shell A is respectively provided with an electrolyte inlet and an electrolyte outlet; two all be provided with the electrolyte import in the electrolysis trough body on lieing in the inboard end plate and all be provided with the electrolyte import on electrolyte export and through pipe connection to casing A, all be provided with the electrolyte export and through the electrolyte export on pipe connection to casing A, all be provided with the oxygen export and through the oxygen export on pipe connection to casing A, all be provided with the hydrogen export and through the hydrogen export on pipe connection to casing A.
Furthermore, the electrolytic cell unit also comprises a connecting component which is used for fixing the electrolytic cell body in the pressure vessel shell unit; the connecting assembly can also have two implementations, but is not limited to this. Firstly, two connecting components are arranged and are respectively matched with end plates positioned at the outer sides of the two electrolytic cell bodies; 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 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 for adjusting the end. 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 second flange is a split flange, so that the second flange is convenient to mount or dismount. Secondly, two connecting components are arranged and are respectively matched with the end plates positioned at the outer sides of the two electrolytic cell bodies; the connecting assembly comprises a check ring and an adjustable screw rod, the opening end faces of the two sides of the shell A are provided with clamping grooves along the circumferential direction, the check ring is clamped in the corresponding clamping grooves, the check ring is provided with a plurality of threaded holes along the circumferential direction, each threaded hole is connected with the adjustable screw rod in a threaded manner, one end of each adjustable screw rod is abutted to the end plate of the adjacent electrolytic cell body, and the other end of each adjustable screw rod is an adjusting end. In the two kinds of realization forms of foretell coupling assembling, can set up the dish spring sleeve pipe that has the dish spring with the corresponding built-in dish spring that has of adjustable screw rod quantity on the end plate, adjustable screw rod inserts in the dish spring sleeve pipe and cooperatees with the dish spring, the effect that plays the shock attenuation direction that can be better.
In a second implementation manner of the electrolytic cell unit, the pressure container shell unit sequentially comprises a shell B, a shell C and a shell D, two sides of the shell C are respectively connected with the shell B and the shell D through first flanges, an electrolytic cell body is respectively accommodated in the shell B and the shell D,
the end plates positioned on the inner sides of the two electrolytic bath bodies are electrically connected with the negative electrode of an external power supply through metal wiring boards, and the end plates positioned on the outer sides of the two electrolytic bath bodies are electrically connected with the positive electrode of the external power supply through the metal wiring boards;
oxygen export and hydrogen export have all been seted up to casing B and casing D's distolateral upper end, and correspond the intercommunication through the pipeline with oxygen export and hydrogen export that lie in on the outside end plate in the adjacent electrolysis trough body, electrolyte import and electrolyte export have all been seted up to casing B and casing D's distolateral lower extreme, and correspond the intercommunication through the pipeline with electrolyte import and electrolyte export that lie in on the outside end plate in the adjacent electrolysis trough body.
Furthermore, the electrolytic cell unit also comprises a connecting component which is used for fixing the electrolytic cell body in the pressure vessel shell unit; the connecting assembly can also have two implementations, but is not limited to this. Firstly, two connecting components are arranged and are respectively matched with the end plates positioned at the inner sides of the two electrolytic cell bodies; coupling assembling is including colluding circle, second flange and adjustable screw rod, collude the circle and weld on casing B and casing D are located inboard 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 internal thread is connected with 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, 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 second flange is a split flange, so that the second flange is convenient to mount or dismount. Secondly, two connecting components are arranged and are respectively matched with the end plates positioned at the inner sides of the two electrolytic cell bodies; coupling assembling includes retaining ring and adjustable screw rod, casing B and casing D are located inboard opening terminal surface and are provided with the draw-in groove along circumference, the retaining ring joint is in corresponding draw-in groove, the retaining ring 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. In the two kinds of realization forms of foretell coupling assembling, can set up the dish spring sleeve pipe that has the dish spring with adjustable screw rod quantity internal corresponding on the end plate, adjustable screw rod inserts and cooperatees with the dish spring in the dish spring sleeve pipe, the effect that plays the shock attenuation direction that can be better.
Further, in the above two types of cell unit implementation, the pressure vessel housing unit is internally coated with an insulating coating. The electrolytic tank body is prevented from being electrically conducted with the pressure container shell unit after liquid leakage. The insulating coating is formed by coating and curing a commercially available insulating paint. The material of the insulating coating is not limited by the patent, and only the requirement of insulation and suitability for processing is needed, and all other materials capable of realizing the function belong to the protection range of the patent.
The utility model also provides an electrolysis trough system, by a plurality of in the foreland the electrolysis trough unit is established ties and is formed.
The utility model provides an electrolysis trough system has multiple realization form, but does not limit to the list below:
first, the electrolytic cell unit used in the electrolytic cell system is the electrolytic cell unit of the first implementation mode; the system is formed by connecting a plurality of electrolytic cell units in series along the axial direction, an end cover between two adjacent electrolytic cell units is replaced by a transition shell, and the transition shell is respectively connected with shells A of the electrolytic cell units on two sides through a first flange.
Secondly, the electrolytic cell unit used by the electrolytic cell system is the electrolytic cell unit of the first implementation mode; the system is formed by connecting a plurality of electrolytic tank units in series along the axial direction, and end covers between two adjacent electrolytic tank units are communicated through a third flange.
Thirdly, the electrolytic cell unit used by the electrolytic cell system is the electrolytic cell unit of the first implementation mode; the system is formed by connecting a plurality of electrolytic cell units in series along the radial direction, and the side part of the shell A positioned at the disc spring position in any one electrolytic cell unit is communicated with the side part of the shell A positioned at the disc spring position in the adjacent electrolytic cell unit through a third flange.
Fourthly, the electrolytic cell unit used by the electrolytic cell system is the electrolytic cell unit of the second implementation mode; the system is formed by connecting a plurality of electrolytic tank units in series along the axial direction, and the end sides between two adjacent electrolytic tank units are communicated through a third flange.
Fifthly, the electrolytic cell unit used by the electrolytic cell system is the electrolytic cell unit of the second implementation mode; the system is formed by connecting a plurality of electrolytic cell units in series along the radial direction, and the side part of the shell C in any one electrolytic cell unit is communicated with the side part of the shell C in the adjacent electrolytic cell unit through a third flange.
Besides, this system can also be by a plurality of the electrolysis trough unit is established ties simultaneously along radial and axial and is formed, the utility model discloses what protect is the combination form of an electrolysis trough unit, all according to the utility model discloses the foreseeable change that the creation thought produced all should be in the utility model discloses a protection within range.
The utility model discloses the beneficial effect who has is:
(1) the utility model discloses accessible electrolysis trough body carries out parallel connection and becomes the bigger single unit equipment of product gas, also can further series connection become the system, and the electrode sets up negative and positive pole (electrolyte business turn over mouth department is 0 electric potential) according to electrolyte import mode is corresponding. The connection mode is not easy to leak, the circuit, the liquid pipeline and the gas pipeline can be unified and internally coordinated, the disassembly and the assembly are more convenient, and the production is safer.
(2) The pressure vessel shell unit provides protection and pressure-bearing functions, and the connecting assembly has two pressures, namely the fastening pressure on the electrode plate in the electrolytic cell body and the pressure for designing or operating the pressure vessel shell unit. In addition, the utility model discloses a coupling assembling can realize quick installation dismantlement, does not influence the operating space of electrolysis trough body end plate again. The connecting assembly can be used for clamping and fixing, the middle electrode plate can be clamped and fixed, and the arrangement of the pull rod between the end plates on the two sides can be replaced.
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 example 1;
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 structural view of example 2;
FIG. 6 is a schematic view A-A of FIG. 5;
FIG. 7 is another perspective view of FIG. 6;
FIG. 8 is an enlarged schematic view at F of FIG. 6;
FIG. 9 is a schematic structural view of example 3;
FIG. 10 is a schematic view A-A of FIG. 9;
FIG. 11 is a schematic structural view of example 4;
FIG. 12 is a schematic top view of the structure of FIG. 1;
FIG. 13 is a schematic view A-A of FIG. 11;
in the figure: 1. the electrolytic cell comprises an electrolytic cell body 2, a shell A3, a first flange 4, an end cover 5, an end plate 6, a metal wiring board 7, a retainer ring 8, an adjustable screw 9, a clamping groove 10, a shell B11, a shell C12, a shell D13, a hook ring 14, a second flange 15, a transition shell 16 and a third flange.
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 efforts all belong to the protection scope of the present invention.
Example 1:
as shown in fig. 1 to 4, an electrolytic cell unit comprises:
a pressure vessel housing unit having a closed space for accommodating the electrolytic cell body 1;
the electrolytic cell comprises two electrolytic cell bodies 1, wherein the two electrolytic cell bodies 1 are sequentially arranged in a pressure container shell unit along the axial direction, and the two electrolytic cell bodies 1 are distributed in parallel on a circuit or are respectively connected with an external power supply.
The pressure container shell unit comprises a shell A2 and end covers 4 connected with two sides of the shell A2 through first flanges 3 respectively, and end plates 5 positioned on the inner sides of the two electrolytic cell bodies 1 are arranged through disc spring gaps;
the end plates 5 positioned at the inner sides of the two electrolytic bath bodies 1 are electrically connected with the anode of an external power supply through metal wiring boards 6, and the end plates 5 positioned at the outer sides of the two electrolytic bath bodies 1 are electrically connected with the cathode of the external power supply through the metal wiring boards 6;
the top of the shell A2 at the position of the disc spring is respectively provided with an oxygen outlet and a hydrogen outlet, and the bottom is respectively provided with an electrolyte inlet and an electrolyte outlet; two all be provided with the electrolyte import in the electrolysis trough body 1 on lieing in the inboard end plate 5 and pass through the electrolyte import on pipe connection casing A2, all be provided with the electrolyte export and pass through the electrolyte export on pipe connection casing A2, all be provided with the oxygen export and pass through the oxygen export on pipe connection casing A2, all be provided with the hydrogen export and pass through the hydrogen export on pipe connection casing A2.
The cell unit also comprises a connecting assembly for fixing the cell body 1 within the pressure vessel shell unit; the two connecting components are respectively matched with the end plates 5 positioned on the outer sides in the two electrolytic cell bodies 1; coupling assembling includes retaining ring 7 and adjustable screw rod 8, the opening terminal surface of casing A2 both sides is provided with draw-in groove 9 along circumference, retaining ring 7 joint is in corresponding draw-in groove 9, retaining ring 7 is provided with a plurality of screw hole along circumference, and every screw hole female connection has adjustable screw rod 8, adjustable screw rod 8's one end is inconsistent with the end plate 5 of adjacent electrolysis trough body 1, and the other end is the regulation end.
The pressure vessel shell unit is internally coated with an insulating coating.
Example 2:
as shown in fig. 5 to 8, an electrolytic cell unit comprises:
a pressure vessel housing unit having a closed space accommodating the electrolytic cell body;
the electrolytic cell comprises two electrolytic cell bodies 1, wherein the two electrolytic cell bodies 1 are sequentially arranged in a pressure container shell unit along the axial direction, and the two electrolytic cell bodies 1 are distributed in parallel on a circuit or are respectively connected with an external power supply.
The pressure vessel outer shell unit sequentially comprises a shell B10, a shell C11 and a shell D12, wherein two sides of the shell C11 are respectively connected with the shell B10 and the shell D12 through first flanges 3, an electrolytic cell body 1 is respectively accommodated in the shell B10 and the shell D12,
the end plates 5 positioned at the inner sides of the two electrolytic bath bodies 1 are electrically connected with the negative electrode of an external power supply through metal wiring boards 6, and the end plates 5 positioned at the outer sides of the two electrolytic bath bodies 1 are electrically connected with the positive electrode of the external power supply through the metal wiring boards 6;
oxygen export and hydrogen export have all been seted up to casing B10 and casing D12's distolateral upper end, and correspond the intercommunication through the pipeline with oxygen export and hydrogen export that lie in on the outside end plate 5 in the adjacent electrolysis trough body 1, electrolyte import and electrolyte export have all been seted up to casing B10 and casing D12's distolateral lower extreme, and correspond the intercommunication through the pipeline with electrolyte import and electrolyte export that lie in on the outside end plate 5 in the adjacent electrolysis trough body 1.
The cell unit also comprises a connecting assembly for fixing the cell body 1 within the pressure vessel shell unit; the two connecting components are respectively matched with the end plates 5 positioned at the inner sides of the two electrolytic cell bodies 1; coupling assembling is including colluding circle 13, second flange 14 and adjustable screw rod 8, collude circle 13 and weld on casing B10 and casing D12 are located inboard opening end face, second flange 14 have an annular groove and mutually support with the eave tile that colludes circle 13, second flange 14 is provided with a plurality of screw hole along circumference, and every screw hole female connection has adjustable screw rod 8, adjustable screw rod 8's one end is inconsistent with the end plate 5 of adjacent electrolysis trough body 1, and the other end is the regulation end. Furthermore, the matching surface of the annular groove of the second flange 14 and the hook head of the hook ring 13 is an inclined surface, and forms an angle of 20-30 degrees with the vertical section. Through calculation, under this angle, easy to assemble and dismantlement to inclination can ensure both's collude intensity again. Furthermore, the second flange 14 is a split flange, which is convenient for installation or disassembly.
The pressure vessel shell unit is internally coated with an insulating coating.
Example 3:
as shown in FIGS. 9 and 10, the electrolytic cell system is formed by connecting a plurality of electrolytic cell units in series along the axial direction according to the embodiment 1, the end cover between two adjacent electrolytic cell units is replaced by a transition shell 15, and the transition shell 15 is respectively connected with the shell A2 of the electrolytic cell unit at two sides through a first flange 3.
Example 4:
as shown in FIGS. 11, 12 and 13, an electrolytic cell system is composed of a plurality of electrolytic cell units as described in example 2, which are connected in series in the radial direction, and the side of the case C11 in any one of the electrolytic cell units is communicated with the side of the case C11 in the adjacent electrolytic cell unit through a third flange 16.
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 (16)

1. An electrolysis cell unit, comprising:
a pressure vessel housing unit having a closed space accommodating the electrolytic cell body;
the two electrolytic tank bodies are sequentially positioned in the pressure container shell unit along the axial direction, and are distributed in parallel on a circuit or respectively connected with an external power supply;
the pressure container shell unit comprises a shell A and end covers connected with the two sides of the shell A through first flanges respectively, and end plates positioned on the inner sides of the two electrolytic cell bodies are arranged through a disc spring gap;
the end plates positioned on the inner sides of the two electrolytic bath bodies are electrically connected with the anode of an external power supply through metal wiring boards, and the end plates positioned on the outer sides of the two electrolytic bath bodies are electrically connected with the cathode of the external power supply through the metal wiring boards;
the top of the shell A at the position of the disc spring is respectively provided with an oxygen outlet and a hydrogen outlet, and the bottom of the shell A is respectively provided with an electrolyte inlet and an electrolyte outlet; two all be provided with the electrolyte import in the electrolysis trough body on lieing in the inboard end plate and all be provided with the electrolyte import on electrolyte export and through pipe connection to casing A, all be provided with the electrolyte export and through the electrolyte export on pipe connection to casing A, all be provided with the oxygen export and through the oxygen export on pipe connection to casing A, all be provided with the hydrogen export and through the hydrogen export on pipe connection to casing A.
2. An electrolysis cell unit according to claim 1, further comprising a connection assembly for securing the electrolysis cell body within the pressure vessel housing unit;
the two connecting components are respectively matched with the end plates positioned on the outer sides in the two electrolytic cell bodies; 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 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 for adjusting the end.
3. An electrolysis cell unit according to claim 1, further comprising a connection assembly for securing the electrolysis cell body within the pressure vessel housing unit;
the two connecting components are respectively matched with end plates positioned on the outer sides of the two electrolytic cell bodies; coupling assembling includes retaining ring and adjustable screw rod, the opening terminal surface of casing A both sides is provided with the draw-in groove along circumference, the retaining ring joint is in corresponding draw-in groove, the retaining ring 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.
4. An electrolysis cell unit, comprising:
a pressure vessel housing unit having a closed space accommodating the electrolytic cell body;
the two electrolytic tank bodies are sequentially positioned in the pressure container shell unit along the axial direction, and are distributed in parallel on a circuit or respectively connected with an external power supply;
the shell unit of the pressure container sequentially comprises a shell B, a shell C and a shell D, wherein two sides of the shell C are respectively connected with the shell B and the shell D through first flanges, and an electrolytic cell body is respectively accommodated in the shell B and the shell D;
the end plates positioned on the inner sides of the two electrolytic bath bodies are electrically connected with the negative electrode of an external power supply through metal wiring boards, and the end plates positioned on the outer sides of the two electrolytic bath bodies are electrically connected with the positive electrode of the external power supply through the metal wiring boards;
oxygen export and hydrogen export have all been seted up to casing B and casing D's distolateral upper end, and correspond the intercommunication through the pipeline with oxygen export and hydrogen export that lie in on the outside end plate in the adjacent electrolysis trough body, electrolyte import and electrolyte export have all been seted up to casing B and casing D's distolateral lower extreme, and correspond the intercommunication through the pipeline with electrolyte import and electrolyte export that lie in on the outside end plate in the adjacent electrolysis trough body.
5. An electrolysis cell unit according to claim 4, further comprising a connection assembly for securing the electrolysis cell body within the pressure vessel housing unit;
the two connecting components are respectively matched with the end plates positioned at the inner sides of the two electrolytic cell bodies; coupling assembling is including colluding circle, second flange and adjustable screw rod, collude the circle and weld on casing B and casing D are located inboard 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 internal thread is connected with 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.
6. An electrolysis cell unit according to claim 4, further comprising a connection assembly for securing the electrolysis cell body within the pressure vessel housing unit;
the two connecting components are respectively matched with the end plates positioned at the inner sides of the two electrolytic cell bodies; coupling assembling includes retaining ring and adjustable screw rod, casing B and casing D are located inboard opening end face and are provided with the draw-in groove along circumference, the retaining ring joint is in corresponding draw-in groove, the retaining ring 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 electrolysis cell unit according to claim 2 or 5, wherein the second flange is a split flange.
8. An electrolysis cell unit according to claim 2 or 5, wherein the mating surfaces of the annular groove of the second flange and the hook head of the hook ring are inclined planes and form an angle of 20-30 degrees with the vertical cross section.
9. An electrolysis cell unit according to claim 1 or 4, wherein the pressure vessel housing unit is internally coated with an insulating coating.
10. An electrolysis cell system, characterized by a number of electrolysis cell units according to any of claims 1-3 connected in series.
11. An electrolysis cell system according to claim 10, wherein the system is formed by connecting a plurality of said electrolysis cell units in series along the axial direction, the end cover between two adjacent electrolysis cell units is replaced by a transition shell, and the transition shell is respectively connected with the shell A of the electrolysis cell unit at two sides through the first flange.
12. An electrolysis cell system according to claim 10, wherein the system is formed by a plurality of said electrolysis cell units connected in series axially, and the end caps between two adjacent electrolysis cell units are connected by the third flange.
13. An electrolysis cell system according to claim 10, wherein the system is formed by connecting a plurality of said cells in series in a radial direction, the side of the shell body a at the position of the disc spring in any one cell communicating with the side of the shell body a at the position of the disc spring in the adjacent cell through the third flange.
14. An electrolysis cell system, characterized by a plurality of electrolysis cell units according to any of claims 4 to 6 connected in series.
15. An electrolysis cell system according to claim 14, wherein the system is formed by axially connecting a plurality of said electrolysis cell units in series, with the end sides between two adjacent electrolysis cell units being in communication via the third flange.
16. An electrolysis cell system according to claim 14, wherein the system is formed by radially connecting a plurality of said electrolysis cell units in series, the side C of the housing in any one electrolysis cell unit being in communication with the side C of the housing in an adjacent electrolysis cell unit via the third flange.
CN202220259351.4U 2022-02-07 2022-02-07 Electrolytic cell unit and system Active CN217266053U (en)

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