CN217809683U - Differential pressure type anion exchange membrane water electrolysis automatic system - Google Patents

Differential pressure type anion exchange membrane water electrolysis automatic system Download PDF

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CN217809683U
CN217809683U CN202123383702.7U CN202123383702U CN217809683U CN 217809683 U CN217809683 U CN 217809683U CN 202123383702 U CN202123383702 U CN 202123383702U CN 217809683 U CN217809683 U CN 217809683U
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water
hydrogen
separator
differential pressure
oxygen
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査鹏飞
潘磊
卓旋
张春荣
王鹏
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Beijing Cei Technology Co ltd
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Beijing Cei Technology Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/36Hydrogen production from non-carbon containing sources, e.g. by water electrolysis

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Abstract

The utility model relates to an electrolytic water hydrogen manufacturing technical field discloses a differential pressure formula anion exchange membrane water electrolysis automatic system. The system comprises an electrolytic cell, a water replenishing unit, a condensing unit, a collecting unit and a controller, wherein oxygen generated by the electrolytic cell is discharged outside after passing through a raw material water tank and an oxygen water separator in the water replenishing unit under normal pressure; hydrogen generated by the electrolytic cell is firstly subjected to secondary treatment by a hydrogen separator and a hydrogen-water separator in the collecting unit, and then is pressurized by a back pressure valve in the collecting unit and then output to form a differential pressure type system at two sides of hydrogen and oxygen; but the raw materials water tank automatic feed in the moisturizing unit, and the start-stop of circulating pump and electrolysis trough in the moisturizing unit receives the liquid level control in the raw materials water tank, has realized full automatization feeding, circulation and electrolysis control, has improved the intelligent degree of brineelectrolysis hydrogen manufacturing greatly, has reduced the risk of artificial regulation and control, reaches the miniaturized effect of hydrogen manufacturing equipment simultaneously.

Description

Differential pressure type anion exchange membrane water electrolysis automatic system
Technical Field
The utility model relates to an electrolytic water hydrogen manufacturing technical field especially relates to a differential pressure formula anion exchange membrane water electrolysis automatic system.
Background
The hydrogen production by water electrolysis is a convenient method for producing hydrogen, direct current is introduced into an electrolytic cell filled with electrolyte, and water molecules are subjected to electrochemical reaction on electrodes and are decomposed into hydrogen and oxygen.
In the prior art, a water electrolysis electrolytic cell is basically in a hydrogen-oxygen side pressure equalizing type, the liquid level balance of the hydrogen-oxygen sides needs to be manually controlled, a large number of manual valves and pipe fittings need to be arranged, the operation is complicated, the system is also biased to be complex, and the potential safety hazard is high; in addition, most of hydrogen production systems are operated manually or semi-automatically, and although the systems are equipped with multi-site detection and control, a one-key and full-automatic intelligent operation system is not completely realized.
SUMMERY OF THE UTILITY MODEL
To the above insufficiency, the utility model discloses a main aim at provides a differential pressure formula anion exchange membrane water electrolysis automatic system, aims at solving the liquid level balance that needs the manual control oxyhydrogen both sides, does not realize the full automatic technical problem of hydrogen manufacturing system.
To achieve the above objects, the present invention provides an automatic system for differential pressure anion exchange membrane water (AEM) electrolysis, the system comprising:
an electrolytic cell comprising a hydrogen side chamber and an oxygen side chamber for electrolyzing an electrolyte;
the water replenishing unit is connected with a water inlet of the electrolytic cell and is used for conveying the electrolyte into the electrolytic cell; and
the oxygen outlet is connected with the oxygen side cavity and is used for discharging oxygen generated by the electrolysis of the oxygen side cavity;
the condensation unit is arranged between the water replenishing unit and the electrolytic tank and is used for cooling the electrolyte conveyed to the electrolytic tank by the water replenishing unit;
the collecting unit is connected with the gas outlet of the hydrogen side cavity and is used for separating, purifying and pressurizing to output hydrogen generated by the hydrogen side cavity in an electrolysis manner; and
the water replenishing unit is connected with the water replenishing unit and is used for refluxing condensed water generated in the hydrogen separation and purification process to the electrolytic cell;
and the controller is in communication connection with the electrolytic cell, the water replenishing unit, the condensing unit and the collecting unit and is a control center of the system.
Optionally, in an embodiment, the water replenishing unit includes a water replenishing peristaltic pump, a raw material water tank and a circulating pump that are connected in sequence, just the raw material water tank with the gas outlet in oxygen side chamber links to each other, the output of circulating pump with the input of condensing unit is connected.
Optionally, in an embodiment, the water replenishing unit further includes a first liquid level sensor, and the first liquid level sensor is disposed on the raw material water tank and is used for monitoring a water level of the raw material water tank;
when the liquid level in the raw material water tank is a low liquid level, the water replenishing peristaltic pump is started to replenish electrolyte to the raw material water tank, and the circulating pump and the electrolytic tank stop working at the moment;
and when the liquid level in the raw material water tank is a high liquid level, the water replenishing peristaltic pump is closed, and the circulating pump and the electrolytic tank start to work.
Optionally, in an embodiment, an oxygen-water separator is disposed at a top of the raw material water tank, and oxygen generated by the oxygen side cavity sequentially passes through the raw material water tank and the oxygen-water separator and is then discharged.
Optionally, in an embodiment, the collecting unit includes a hydrogen separator, a hydrogen-water separator, and a back pressure valve, which are connected in sequence, and the hydrogen separator is connected to the gas outlet of the hydrogen side chamber;
and when the hydrogen pressure between the hydrogen water separator and the back pressure valve is greater than the preset pressure value of the back pressure valve, the back pressure valve is opened, and the hydrogen is discharged through the back pressure valve.
Optionally, in an embodiment, the collecting unit further includes:
a check valve disposed between the hydrogen separator and the hydrogen-water separator for preventing backflow of hydrogen gas; and/or
And the pressure sensor is arranged between the hydrogen water separator and the back pressure valve and used for detecting the output pressure of the hydrogen.
Optionally, in an embodiment, the collection unit further includes a second liquid level sensor and a first electromagnetic valve, the second liquid level sensor is disposed on the hydrogen separator, and an output end of the bottom of the hydrogen separator is connected to an input end of the circulation pump through the first electromagnetic valve;
when the liquid level in the hydrogen separator is low, the first electromagnetic valve is closed;
when the liquid level in the hydrogen separator is high, the first electromagnetic valve is opened, and the condensed water in the hydrogen separator flows back to the electrolytic tank through the circulating pump.
Optionally, in an embodiment, the collection unit further includes a third liquid level sensor and a second electromagnetic valve, the third liquid level sensor is disposed on the hydrogen-water separator, and an output end of the bottom of the hydrogen-water separator is connected to an input end of the circulation pump through the second electromagnetic valve;
when the liquid level in the hydrogen-water separator is low, the second electromagnetic valve is closed;
when the hydrogen water separator is internally provided with a high liquid level, the second electromagnetic valve is opened, and the condensed water in the hydrogen water separator flows back to the electrolytic bath through the circulating pump.
Optionally, in an embodiment, the condensing unit includes a tube condenser, and an input end of the tube condenser is connected to the circulation pump, and an output end of the tube condenser is connected to a water inlet of the electrolytic cell.
Optionally, in an embodiment, the condensing unit further includes an air cooling machine disposed at one side of the tube condenser.
Optionally, in an embodiment, the hydrogen gas-water separator is disposed on the other side of the tube condenser opposite to the air cooling machine, so as to cool the hydrogen gas-water separator at the same time.
Optionally, in an embodiment, a water outlet is provided at the bottom of the raw material water tank, and the water outlet is connected with the outside through a coupling interface and used for emptying the raw material water tank.
In the technical proposal provided by the utility model, the oxygen generated by the electrolytic cell is discharged outside after passing through the raw material water tank and the oxygen water separator under normal pressure; hydrogen generated by the electrolytic cell is firstly subjected to secondary treatment by a hydrogen separator and a hydrogen-water separator, and then is output after being pressurized by a back pressure valve to form a differential pressure type system at two sides of hydrogen and oxygen; the raw material water tank can automatically feed, the start and stop of the circulating pump and the electrolytic bath are controlled by the liquid level in the raw material water tank, full-automatic feeding, circulating and electrolytic control is realized, the intelligent degree of hydrogen production by electrolyzing water is greatly improved, the risk of artificial regulation is reduced, and the miniaturization effect of the hydrogen production equipment is achieved.
Drawings
One or more embodiments are illustrated in drawings corresponding to, and not limiting to, the embodiments, in which elements having the same reference number designation may be represented as similar elements, unless specifically noted, the drawings in the figures are not to scale.
Fig. 1 is a schematic structural diagram of an embodiment of the automatic differential pressure anion exchange membrane water electrolysis system of the present invention.
In the figure:
1-an electrolytic cell;
2-a water replenishing unit; 21-water replenishing peristaltic pump; 22-raw water tank; 23-a circulation pump; 24-an oxygen water separator; 25-a first level sensor; 26-a coupling interface;
3-a condensation unit; 31-a tube condenser; 32-air cooling machine;
4-a collection unit; 41-a hydrogen separator; 42-a hydrogen gas water separator; 43-back pressure valve; 44-a pressure sensor; 45-one-way valve, 46-second level sensor; 47-first solenoid valve; 48-a third level sensor; 49-second solenoid valve.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," "inner," "outer," and the like as used herein are for descriptive purposes only. In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating relative importance or as implying any number of indicated technical features. Thus, unless otherwise specified, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; "plurality" means two or more. The terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that one or more other features, integers, steps, operations, elements, components, and/or combinations thereof may be present or added.
Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, fixed connections, removable connections, and integral connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Furthermore, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
Referring to fig. 1, a schematic structural diagram of an automatic system for water electrolysis of a differential pressure Anion Exchange Membrane (AEM) provided by the present invention is shown, in this embodiment, the system includes:
an electrolytic cell 1 including a hydrogen side chamber and an oxygen side chamber for electrolyzing an electrolytic solution;
the water replenishing unit 2 is connected with a water inlet of the electrolytic cell 1 and is used for conveying electrolyte into the electrolytic cell 1; and is connected with the air outlet of the oxygen side cavity in the electrolytic bath 1 and is used for discharging oxygen generated by the electrolysis of the oxygen side cavity;
the condensation unit 3 is arranged between the water replenishing unit 2 and the electrolytic cell 1 and is used for cooling the electrolyte conveyed to the electrolytic cell 1 by the water replenishing unit 2;
the collecting unit 4 is connected with an air outlet of the hydrogen side cavity in the electrolytic cell 1 and is used for separating, purifying and pressurizing to output hydrogen generated by the hydrogen side cavity in an electrolytic way; and is connected with the water replenishing unit 2 and is used for refluxing the condensed water generated in the hydrogen separation and purification process to the electrolytic cell 1 through the water replenishing unit 2;
and the controller (not shown) is in communication connection with the electrolytic cell 1, the water replenishing unit 2, the condensing unit 3 and the collecting unit 4 and is a control center of the whole system.
In this embodiment, moisturizing unit 2 is including the moisturizing peristaltic pump 21 that connects gradually, raw materials water tank 22 and circulating pump 23, and raw materials water tank 22 links to each other with the gas outlet in the oxygen side chamber of electrolysis trough 1, the output of circulating pump 23 is connected with condensing unit 3's input, raw materials water tank 3's top is provided with oxygen water separator 24, the oxygen that the oxygen side chamber of electrolysis trough 1 produced directly discharges in the atmosphere behind raw materials water tank 22 and oxygen water separator 24 in proper order, the comdenstion water among the oxygen water separator 24 flows back to in the raw materials water tank 22.
In this embodiment, the water replenishing unit 2 further includes a first liquid level sensor 25, the first liquid level sensor 25 is disposed on the raw material water tank 22 and is used for monitoring the water level of the raw material water tank 22, and a high liquid level alarm and a low liquid level alarm are preset in the raw material water tank 22; when the liquid level in the raw material water tank 22 is a low liquid level, triggering alarm to start, starting the water replenishing peristaltic pump 21, replenishing electrolyte to the raw material water tank 22, and stopping the circulating pump 23 and the electrolytic cell 1 at the moment; when the liquid level in the raw material water tank 22 is high, the alarm is triggered to stop, the water replenishing peristaltic pump 21 is closed, and the circulating pump 23 and the electrolytic tank 1 start to work.
In this embodiment, the raw material tank 22 is provided with a drain port (not shown) at the bottom, the drain port is connected to the outside through the coupling port 26, and the coupling port 26 is in a normally closed state and can be opened to drain the electrolyte in the raw material tank 22.
In the present embodiment, the collection unit 4 includes a hydrogen separator 41, a hydrogen gas-water separator 42, and a back pressure valve 43 connected in this order, and the hydrogen separator 41 is connected to the gas outlet of the hydrogen side chamber of the electrolytic cell 1; when the hydrogen pressure between the hydrogen water separator 42 and the back pressure valve 43 is greater than a preset pressure value of the back pressure valve 43, the back pressure valve 43 is opened, hydrogen is discharged through the back pressure valve 43, and a hydrogen storage device (not shown) is connected behind the back pressure valve.
In the present embodiment, in order to detect the pressure value of hydrogen gas at the back pressure valve in real time, i.e., detect the output pressure value of hydrogen gas, a pressure sensor 44 is also provided between the hydrogen gas-water separator 42 and the back pressure valve 43; in addition, in order to prevent the hydrogen gas from flowing backward, a check valve 45 is provided between the hydrogen separator 41 and the hydrogen water separator 42, and the check valve 45 is provided to allow only the hydrogen gas to flow from the hydrogen separator 41 to the hydrogen water separator 42, thereby preventing the hydrogen gas in the hydrogen water separator 42 from being filled into the electrolytic cell 1 due to an excessively high pressure.
In this embodiment, the collecting unit 4 further includes a second liquid level sensor 46 and a first electromagnetic valve 47, the second liquid level sensor 46 is disposed on the hydrogen separator 41, and the output end of the bottom of the hydrogen separator 41 is connected with the input end of the circulation pump 23 through the first electromagnetic valve 47; when the liquid level in the hydrogen separator 41 is low, the first electromagnetic valve 47 is closed; when the level of the liquid in the hydrogen separator 41 is high, the first electromagnetic valve 47 is opened, and the condensed water in the hydrogen separator 41 is returned to the electrolytic tank 1 by the circulation pump 23.
Similarly, the collecting unit 4 further includes a third liquid level sensor 48 and a second electromagnetic valve 49, the third liquid level sensor 48 is disposed on the hydrogen-water separator 42, and the output end of the bottom of the hydrogen-water separator 42 is connected with the input end of the circulating pump 23 through the second electromagnetic valve 49; when the liquid level in the hydrogen-water separator 42 is low, the second electromagnetic valve 49 is closed; when the liquid level in the hydrogen water separator 42 is high, the second electromagnetic valve 48 is opened, and the condensed water in the hydrogen water separator 42 flows back to the electrolytic cell 1 through the circulation pump 23.
In the present embodiment, the condensing unit 3 includes a tube condenser 31, and an input end of the tube condenser 31 is connected to the circulation pump 23, and an output end of the tube condenser 31 is connected to a water inlet of the electrolytic bath 1. Because this system is a circulation system, the brineelectrolysis belongs to exothermic reaction, and the electrolyte/the backward flow liquid that comes out along with hydrogen or oxygen from electrolysis trough 1 is hot, has also been hot to raw materials water tank 22 or circulating pump 23 department, need condensing unit 3 cooling back and flow into in electrolysis trough 1 again.
In this embodiment, for further cooling, the condensing unit 3 further includes an air-cooling machine 32, and the air-cooling machine 32 is disposed at one side of the tube condenser 31 to provide air-cooling for the tube condenser.
Further, the hydrogen gas-water separator 42 is provided on the other side of the tube condenser 31 from the air-cooling machine 31 so as to cool the hydrogen gas-water separator 42 at the same time, i.e., to provide air cooling and air cooling to the hydrogen gas-water separator 42. So set up, can make the liquid water of hydrogen separator 41 primary separation and hydrogen, separate gaseous state water of recooling in the hydrogen water separator 43, tubular condenser is used for the cooling of hydrogen side circulation liquid, also can give the cooling of oxygen side pipeline simultaneously.
The embodiment also provides a differential pressure type Anion Exchange Membrane (AEM) water electrolysis hydrogen production method, which utilizes the automatic system to produce hydrogen, and comprises the following steps:
101. the controller controls the water replenishing unit to convey the electrolyte into the electrolytic cell through the condensing unit;
102. the electrolytic bath electrolyzes the electrolyte;
103. oxygen generated by the oxygen side cavity of the electrolytic cell is discharged through the water replenishing unit;
104. hydrogen generated by a hydrogen side cavity of the electrolytic cell is separated, purified and pressurized by a collecting unit and then output;
105. and the condensed water generated in the collecting unit flows back to the electrolytic cell through the water replenishing unit.
In this embodiment, step 101 includes:
when the liquid level in the raw material water tank is a low liquid level, the water replenishing peristaltic pump is started to replenish electrolyte to the raw material water tank, and the circulating pump and the electrolytic cell stop working at the moment;
when the liquid level in the raw material water tank is high, the water replenishing peristaltic pump is closed, and the circulating pump and the electrolytic tank start to work.
In this embodiment, step 103 includes:
oxygen generated by an oxygen side cavity of the electrolytic cell is discharged after sequentially passing through the raw material water tank and the oxygen-water separator arranged at the top of the raw material water tank.
In this embodiment, step 104 includes:
oxygen generated by a hydrogen side cavity of the electrolytic cell is separated and purified by a hydrogen separator and a hydrogen-water separator in sequence and then reaches the position of the back pressure valve;
when the hydrogen pressure between the hydrogen water separator and the backpressure valve is larger than the preset pressure value of the backpressure valve, the backpressure valve is opened, and the hydrogen is discharged through the backpressure valve.
In this embodiment, step 105 includes:
when the liquid level in the hydrogen separator is low, a first electromagnetic valve at the bottom of the hydrogen separator is closed;
when the liquid level in the hydrogen separator is high, a first electromagnetic valve at the bottom of the hydrogen separator is opened, and condensed water in the hydrogen separator flows back to the electrolytic tank through a circulating pump; and/or
When the liquid level in the hydrogen-water separator is low, a second electromagnetic valve at the bottom of the hydrogen-water separator is closed;
when the high liquid level is formed in the hydrogen water separator, the second electromagnetic valve at the bottom of the hydrogen water separator is opened, and condensed water in the hydrogen water separator flows back to the electrolytic bath through the circulating pump.
In the technical scheme, the external raw material water can be pumped into the raw material water tank by the water replenishing peristaltic pump, closed water circulation is realized by the electrolytic cell through the circulating pump, the electrolyzed oxygen enters the raw material water tank, is separated by the oxygen-water separator at normal pressure and is discharged to the atmosphere; the hydrogen separator primarily separates hydrogen from electrolyte, then the hydrogen and the electrolyte are condensed and separated again through the hydrogen-water separator, and the back pressure valve pressurizes the normal pressure system at the hydrogen side to form a differential pressure system at two sides of hydrogen and oxygen. The start and stop of moisturizing peristaltic pump, circulating pump and electrolysis trough are controlled by the first level sensor of raw materials water tank, through the inductive control of each sensor in the system and the setting of back pressure valve, have realized that Anion Exchange Membrane (AEM) water electrolysis's oxyhydrogen differential pressure formula structure, full automatization feeding, circulation and electrolysis water hydrogen manufacturing control, have improved the intelligent degree of this system greatly, have reduced the factor such as risk of artificial regulation and control, reach the miniaturized effect of hydrogen manufacturing equipment simultaneously.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; within the idea of the invention, also technical features in the above embodiments or in different embodiments can be combined, steps can be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (12)

1. A differential pressure anion exchange membrane water electrolysis automation system, characterized in that the system comprises:
an electrolytic cell comprising a hydrogen side chamber and an oxygen side chamber for electrolyzing an electrolyte;
the water replenishing unit is connected with a water inlet of the electrolytic cell and is used for conveying the electrolyte into the electrolytic cell; and
the oxygen outlet is connected with the oxygen side cavity and is used for discharging oxygen generated by the electrolysis of the oxygen side cavity;
the condensation unit is arranged between the water replenishing unit and the electrolytic tank and is used for cooling the electrolyte conveyed to the electrolytic tank by the water replenishing unit;
the collecting unit is connected with the gas outlet of the hydrogen side cavity and is used for separating, purifying and pressurizing to output hydrogen generated by the hydrogen side cavity in an electrolysis manner; and
the water replenishing unit is connected with the water replenishing unit and is used for refluxing condensed water generated in the hydrogen separation and purification process to the electrolytic cell;
and the controller is in communication connection with the electrolytic cell, the water replenishing unit, the condensing unit and the collecting unit and is a control center of the system.
2. The automatic differential pressure type anion exchange membrane water electrolysis system according to claim 1, wherein the water replenishing unit comprises a water replenishing peristaltic pump, a raw material water tank and a circulating pump which are connected in sequence, the raw material water tank is connected with the gas outlet of the oxygen side cavity, and the output end of the circulating pump is connected with the input end of the condensing unit.
3. The automated differential pressure anion exchange membrane water electrolysis system according to claim 2, wherein the water replenishing unit further comprises a first liquid level sensor disposed on the raw water tank for monitoring the water level of the raw water tank.
4. The automatic differential pressure type anion exchange membrane water electrolysis system according to claim 2, wherein an oxygen-water separator is arranged on the top of the raw water tank, and oxygen generated by the oxygen side cavity is discharged after passing through the raw water tank and the oxygen-water separator in sequence.
5. The automatic differential pressure type anion exchange membrane water electrolysis system according to claim 2, wherein the collection unit comprises a hydrogen separator, a hydrogen water separator and a back pressure valve which are connected in sequence, and the hydrogen separator is connected with the gas outlet of the hydrogen side cavity.
6. The automated differential pressure anion exchange membrane water electrolysis system of claim 5, wherein the collection unit further comprises:
a check valve disposed between the hydrogen separator and the hydrogen-water separator for preventing backflow of hydrogen gas; and/or
And the pressure sensor is arranged between the hydrogen water separator and the back pressure valve and used for detecting the output pressure of the hydrogen.
7. The automated differential pressure anion exchange membrane water electrolysis system according to claim 5, wherein the collection unit further comprises a second level sensor and a first solenoid valve, the second level sensor is disposed on the hydrogen separator, and the output end of the bottom of the hydrogen separator is connected with the input end of the circulation pump through the first solenoid valve.
8. The differential pressure type anion exchange membrane water electrolysis automation system of claim 5, wherein the collection unit further comprises a third liquid level sensor and a second solenoid valve, the third liquid level sensor is arranged on the hydrogen gas water separator, and the output end of the bottom of the hydrogen gas water separator is connected with the input end of the circulating pump through the second solenoid valve.
9. The automated differential pressure anion exchange membrane water electrolysis system according to claim 5, wherein the condensing unit comprises a tubular condenser, and the input end of the tubular condenser is connected with the circulating pump, and the output end of the tubular condenser is connected with the water inlet of the electrolytic cell.
10. The automated differential pressure anion exchange membrane water electrolysis system according to claim 9, wherein the condensing unit further comprises an air-cooled machine disposed at one side of the tube condenser.
11. The automated differential pressure anion exchange membrane water electrolysis system according to claim 10, wherein the hydrogen water separator is disposed on the other side of the tube condenser relative to the air cooler so as to cool the hydrogen water separator simultaneously.
12. The automated differential pressure anion exchange membrane water electrolysis system according to any one of claims 2 to 11, wherein the bottom of the raw water tank is provided with a water outlet, and the water outlet is connected with the outside through a coupling interface for emptying the raw water tank.
CN202123383702.7U 2021-12-29 2021-12-29 Differential pressure type anion exchange membrane water electrolysis automatic system Active CN217809683U (en)

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