Water electrolysis hydrogen production testing device

Abstract

The utility model discloses a water electrolysis hydrogen production testing device which at least comprises a hydrogen separation tank, the oxygen separation tank and the hydrogen separation tank are arranged in parallel; the connecting pipeline is arranged between the hydrogen separation tank and the oxygen separation tank; the plurality of electrolytic cells are connected with the outlet of the oxygen separation tank after being arranged in parallel, each electrolytic cell comprises a first outlet and a second outlet, the first outlet is connected with the oxygen separation tank, and the second outlet is connected with the hydrogen separation tank; the first controller is communicated with the inside of the hydrogen separation tank; and the second controller is communicated with the inside of the oxygen separation tank. According to the water electrolysis hydrogen production testing device provided by the utility model, the use efficiency of the testing device can be improved, and the temperature and the liquid level of water supplemented into the electrolytic bath can be monitored in real time.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrolytic water hydrogen production technical field, specifically related to a kind of electrolytic water hydrogen production testing device. BACKGROUND

[0002] Electrolytic water as a mature energy conversion technology, provides a simple, effective and promising method for hydrogen production. Among them, before the practical application of electrolytic water technology, electrolytic water hydrogen production performance must be tested to determine whether it is suitable for large-scale popularization and use. However, the existing electrolytic water hydrogen production testing device, waste limited use space, resulting in low utilization rate of device, and can not effectively monitor the water level and temperature of electrolyte. UTILITY MODEL CONTENT

[0003] The utility model discloses electrolytic water hydrogen production testing device can improve the use efficiency of testing device, and the temperature and liquid level of water supplementing in electrolytic tank are monitored in real time.

[0004] In order to realize the above-mentioned purpose and other related purposes, the utility model is realized through the following technical schemes.

[0005] The utility model provides a kind of electrolytic water hydrogen production testing device, at least include:

[0006] Hydrogen separation tank;

[0007] Oxygen separation tank, with the hydrogen separation tank is arranged side by side;

[0008] Connecting pipeline is arranged between the hydrogen separation tank and the oxygen separation tank;

[0009] Multiple electrolytic tanks are connected with the outlet of the oxygen separation tank after being connected in parallel, and each electrolytic tank includes a first outlet and a second outlet, the first outlet is connected with the oxygen separation tank, and the second outlet is connected with the hydrogen separation tank;

[0010] First controller, with the inside of the hydrogen separation tank is communicated;And

[0011] Second controller, with the inside of the oxygen separation tank is communicated.

[0012] In an embodiment of the utility model, the testing device further includes a communication valve, and the communication valve is arranged on the connecting pipeline.

[0013] In an embodiment of the utility model, the testing device further includes a purification unit, and the purification unit is arranged between the first outlet and the oxygen separation tank.

[0014] In an embodiment of the utility model, the testing device further includes multiple water pumps, at least one water pump is arranged between each electrolytic cell and the outlet of the oxygen separation tank.

[0015] In an embodiment of the utility model, the number of water pumps is equal to the number of electrolytic cells.

[0016] In an embodiment of the utility model, the testing device further includes a control valve, which is arranged between the oxygen separation tank and multiple water pumps.

[0017] In an embodiment of the utility model, the inlet of the control valve is connected with the outlet of the oxygen separation tank, and multiple water pumps are connected with the outlet of the control valve after being connected in parallel.

[0018] In an embodiment of the utility model, the inside of the hydrogen separation tank and the inside of the oxygen separation tank are respectively connected with one liquid level meter.

[0019] In an embodiment of the utility model, the testing device further includes a measuring instrument, which is arranged on the first outlet or the second outlet of each electrolytic cell.

[0020] In an embodiment of the utility model, the first controller and the second controller are temperature controllers.

[0021] In summary, the utility model provides an electrolytic water hydrogen production testing device, each electrolytic cell shares one hydrogen separation tank and one oxygen separation tank, forms a multi-channel testing device, can simultaneously carry out multiple electrolytic water testing processes, thereby improving the use efficiency of the testing device, and the testing device has multi-channel scalability.

[0022] Of course, implementing any mode of the utility model does not necessarily need to achieve all the advantages mentioned above at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0024] Figure 1 It is a structure schematic view of the electrolytic water hydrogen production testing device in an embodiment of the utility model.

[0025] Label explanation:

[0026] 11, hydrogen separation tank; 12, oxygen separation tank; 13, electrolytic tank; 131, first electrolytic tank; 1311, first outlet; 1312, second outlet; 132, second electrolytic tank; 14, first controller; 15, second controller; 16, purification unit; 171, first water pump; 172, second water pump; 18, first liquid level meter; 19, second liquid level meter; 20, communication valve; 21, control valve; 22, connecting pipeline; 23, first measuring instrument; 24, second measuring instrument. DETAILED DESCRIPTION

[0027] The embodiments of the present application will be described in detail with specific examples. Other advantages and effects of the present application can be easily understood by those skilled in the art from the disclosure of the present application. The present application can also be implemented or applied in other different embodiments, and various modifications or changes can be made to the details of the present application without departing from the spirit of the present application. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0028] It should be noted that the drawings provided in the following embodiments only schematically illustrate the basic concept of the present application, and only the components related to the present application are shown in the drawings, not the number, shape and size of the components when actually implemented. The shape, number and proportion of each component when actually implemented can be arbitrarily changed, and the layout pattern of the components can also be more complex.

[0029] In the present application, it should be noted that, if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like appear, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, if the terms "first" and "second" appear, they are only for description and differentiation purposes, and cannot be understood as indicating or implying relative importance.

[0030] Please refer to Figure 1As shown, the utility model provides a kind of electrolytic water hydrogen production test device, for example including hydrogen separation tank 11, oxygen separation tank 12, electrolytic cell 13, first controller 14, second controller 15 and connecting pipeline 22 etc..Wherein, hydrogen separation tank 11 and oxygen separation tank 12 are arranged side by side, and multiple electrolytic cell 13 is connected with the outlet of oxygen separation tank 12 after being connected in parallel, and each electrolytic cell 13 includes first outlet 1311 and second outlet 1312, first outlet 1311 is connected with oxygen separation tank 12, second outlet 1312 is connected with hydrogen separation tank 11, first controller 14 is connected with the inside of hydrogen separation tank 11, second controller 15 is connected with the inside of oxygen separation tank 12, and connecting pipeline 22 is arranged between hydrogen separation tank 11 and oxygen separation tank 12.The electrolytic water hydrogen production test device provided by the utility model is connected with the outlet of oxygen separation tank 12 by parallelly arranging multiple electrolytic cell 13, so that multiple electrolytic cell 13 shares same hydrogen separation tank 11 and same oxygen separation tank 12, forms multi-channel test device, can simultaneously carry out multiple electrolytic water test processes, to improve the use efficiency of test device, so that test device has multi-channel scalability.

[0031] It is worth mentioning that the electrolytic water hydrogen production test device provided by the present application can be applied to various hydrogen production electrolytic cell technologies, such as alkaline electrolytic cell, proton exchange membrane (PEM) electrolytic cell, anion exchange membrane (AEM), solid oxide (SOEC), seawater hydrogen production electrolytic cell or other electrolytic cell test to test the performance of the electrolytic cell as a whole or each component in the electrolytic cell.

[0032] Please refer to Figure 1 As shown, in an embodiment of the utility model, hydrogen separation tank 11 is used as a place for separating hydrogen and water, and also as a container for storing water for water replenishment in electrolytic cell 13.In hydrogen separation tank 11, due to the difference in gravity, hydrogen generated in electrolytic cell 13 is led out from the top of hydrogen separation tank 11, and water vapor carried by hydrogen is accumulated to the bottom of hydrogen separation tank 11 in hydrogen separation tank 11.

[0033] Please refer to Figure 1As shown in the utility model one embodiment, oxygen separation tank 12 as the place of separation oxygen and water, also as a container for storing water, for electrolytic tank 13 in the water replenishment. In oxygen separation tank 12, due to the difference in gravity, the oxygen generated in electrolytic tank 13 is led out from the top of oxygen separation tank 12, and the water vapor carried by the oxygen is gathered to the bottom of oxygen separation tank 12. In this embodiment, the bottom of oxygen separation tank 12 and the bottom of hydrogen separation tank 11 can be communicated or not communicated. When oxygen separation tank 12 and hydrogen separation tank 11 are communicated, the water at the bottom of oxygen separation tank 12 and hydrogen separation tank 11 can be sent into the subsequent electrolytic tank 13, and when oxygen separation tank 12 and hydrogen separation tank 11 are not communicated, the mixing of hydrogen and oxygen can be prevented, and the oxygen or hydrogen with relatively high purity can be obtained from the top of oxygen separation tank 12 or hydrogen separation tank 11.

[0034] Please refer to Figure 1 As shown in the utility model one embodiment, connecting pipeline 22 is arranged between hydrogen separation tank 11 and oxygen separation tank 12. Specifically, connecting pipeline 22 connects the bottom of hydrogen separation tank 11 and the bottom of oxygen separation tank 12. Due to the electrolytic reaction in the subsequent electrolytic tank 13, the water in the electrolyte is continuously consumed, and by arranging connecting pipeline 22, the water in hydrogen separation tank 11 can be conveniently sent into oxygen separation tank 12 and then into electrolytic tank 13, so as to maintain the electrical conductivity of the electrolyte in electrolytic tank 13 at a suitable value and maintain the smooth progress of the electrolytic reaction.

[0035] Please refer to Figure 1 As shown in the utility model one embodiment, communication valve 20 is arranged on connecting pipeline 22 to control the flow of water between hydrogen separation tank 11 and oxygen separation tank 12. For example, communication valve 20 is a butterfly valve, a ball valve, a gate valve or a diaphragm valve.

[0036] Please refer to Figure 1 As shown in the utility model one embodiment, electrolytic tank 13 is connected with the outlet of oxygen separation tank 12. For example, electrolytic tank 13 is multiple, and multiple electrolytic tanks 13 are connected in parallel. In this embodiment, two electrolytic tanks 13 are taken as an example to illustrate the test device. Specifically, two electrolytic tanks 13 include first electrolytic tank 131 and second electrolytic tank 132, and first electrolytic tank 131 and second electrolytic tank 132 are connected to the bottom of oxygen separation tank 12 after being connected in parallel.

[0037] Please refer to Figure 1As shown, in an embodiment of the present application, each electrolytic cell 13, for example, comprises a first outlet 1311 and a second outlet 1312, etc., the first electrolytic cell 131 and the second electrolytic cell 132 are connected in parallel, the first outlet 1311 of the two electrolytic cells 13 is connected to the oxygen separation tank 12, and the second outlet 1312 of the two electrolytic cells 131 is connected to the hydrogen separation tank 11. Specifically, as the electrolysis process in the electrolytic cell 13 proceeds, the water in the electrolyte is electrolyzed to release hydrogen and oxygen, the oxygen flows from the first outlet 1311 of the two electrolytic cells 13 into the oxygen separation tank 12, and a small part of water is carried out with the oxygen flowing out of the electrolytic cell 13, the water and the oxygen are separated in the oxygen separation tank 12, the hydrogen flows from the second outlet 1312 of the two electrolytic cells 13 into the hydrogen separation tank 11, and a small part of water is carried out with the hydrogen flowing out of the electrolytic cell 13, the water and the hydrogen are separated in the hydrogen separation tank 11. Among them, the electrolyte in the electrolytic cell 13, for example, at least includes water and electrolyte, etc., the water, for example, is primary water, secondary water or tertiary water, etc., the electrolyte, for example, is acidic electrolyte or alkaline electrolyte, etc., the acidic electrolyte, for example, includes at least one of sulfuric acid, etc., the alkaline electrolyte, for example, includes at least one of potassium hydroxide and sodium hydroxide, etc., to increase the conductivity of the aqueous solution and improve the gas production rate of the electrolytic water hydrogen production test device.

[0038] As shown in the drawings, Figure 1 As shown, in an embodiment of the present application, a measuring instrument is arranged on the first outlet 1311 or the second outlet 1312 of each electrolytic cell 13. In this embodiment, the measuring instrument is arranged on the second outlet 1312 of each electrolytic cell 13, for example, and the measuring instrument, for example, is two, which comprises a first measuring instrument 23 and a second measuring instrument 24. Specifically, the first measuring instrument 23 is arranged on the second outlet 1312 of the first electrolytic cell 131 to quantify the electrolysis reaction in the first electrolytic cell 131, and the second measuring instrument 24 is arranged on the second outlet 1312 of the second electrolytic cell 132 to quantify and test the electrolysis reaction in the second electrolytic cell 132. Among them, the first measuring instrument 23 and the second measuring instrument 24, for example, are flow meters, etc., which detect the hydrogen production rate in each electrolytic cell 13.

[0039] As shown in the drawings, Figure 1 As shown, in an embodiment of the present application, a plurality of electrolytic cells 13 are arranged in parallel, so that the plurality of electrolytic cells 13 can share the same hydrogen separation tank 11 and the same oxygen separation tank 12 for electrolysis, and by arranging a measuring instrument on the first outlet 1311 or the second outlet 1312 of each electrolytic cell 13, the electrolysis reaction in each electrolytic cell 13 can be individually quantified, thereby forming a multi-channel test device, which can simultaneously carry out multiple electrolytic water test processes, improve the use efficiency of the test device, and make the test device have multi-channel scalability.

[0040] As shown in the drawings, Figure 1As shown in the utility model one embodiment, the first outlet 1311 and oxygen separation tank 12 between setting has the purification unit 16. Specifically, the first outlet 1311 of first electrolytic cell 131 and the first outlet 1311 of second electrolytic cell 132 are connected with the purification unit 16 after being connected in parallel. Among them, the purification unit 16 is for example purification column etc. By setting purification unit 16, the water that hydrogen and oxygen take out electrolytic cell 13 is purified and then sent to electrolytic cell 13, so that the conductivity, suspended matter content and ion content of electrolyte in electrolytic cell 13 meet the requirements of electrolysis.

[0041] Please refer to Figure 1 As shown in the utility model one embodiment, each electrolytic cell 13 and oxygen separation tank 12 outlet between each other sets at least one water pump, to send the water in oxygen separation tank 12 to electrolytic cell 13 successfully. Among them, the number of water pumps is equal to the number of electrolytic cell 13, for example. Specifically, in the embodiment, the water pump is two, for example, two water pumps include first water pump 171 and second water pump 172, etc. Among them, the first water pump 171 is arranged between the outlet of oxygen separation tank 12 and first electrolytic cell 131, to send the water in oxygen separation tank 12 to first electrolytic cell 13 successfully, and the second water pump 172 is arranged between the outlet of oxygen separation tank 12 and second electrolytic cell 132, to send the water in oxygen separation tank 12 to second electrolytic cell 132 successfully. By setting first water pump 171 and second water pump 172, the first electrolytic cell 131 or second electrolytic cell 132 can be supplied with water independently, so that a single electrolytic cell 13 can work independently, and the flexibility of the testing device is improved.

[0042] Please refer to Figure 1 As shown in the utility model one embodiment, oxygen separation tank 12 and multiple water pumps between setting has control valve 21. In the embodiment, the inlet of control valve 21 is connected with the bottom of oxygen separation tank 12, and the first water pump 171 and the second water pump 172 are connected with the outlet of control valve 21 after being connected in parallel. Among them, the control valve 21 is for example butterfly valve, ball valve, gate valve or diaphragm valve, etc. By setting control valve 21, the flow of water between oxygen separation tank 12 and water pump can be controlled, to facilitate the operation of the testing device.

[0043] Please refer to Figure 1As shown in the embodiment of the utility model, the testing device further comprises liquid level gauges, and each of the interiors of the oxygen separation tank 12 and the hydrogen separation tank 11 is connected with a liquid level gauge. Specifically, in the embodiment, the liquid level gauges are two, for example, and the two liquid level gauges comprise a first liquid level gauge 18 and a second liquid level gauge 19, etc. The first liquid level gauge 18 is in communication with the interior of the hydrogen separation tank 11 to detect the liquid level of water in the hydrogen separation tank 11, and the second liquid level gauge 19 is in communication with the interior of the oxygen separation tank 12 to detect the liquid level of water in the oxygen separation tank 12. By arranging the first liquid level gauge 18 and the second liquid level gauge 19, the liquid levels of water in the hydrogen separation tank 11 and the oxygen separation tank 12 can be monitored in real time, so that water can be supplemented into the hydrogen separation tank 11 and the oxygen separation tank 12 at any time, to prevent the hydrogen separation tank 11 and the oxygen separation tank 12 from being unable to supplement water into the electrolytic tank 13 in time due to water shortage.

[0044] Please refer to Figure 1 As shown in the embodiment of the utility model, the first controller 14 is in communication with the interior of the hydrogen separation tank 11. The first controller 14 is a temperature controller, for example, to monitor and control the temperature of water in the hydrogen separation tank 11 in real time. Specifically, when the first controller 14 detects that the temperature of water in the hydrogen separation tank 11 is low, the first controller 14 heats the water until the water reaches a preset temperature.

[0045] Please refer to Figure 1 As shown in the embodiment of the utility model, the second controller 15 is in communication with the interior of the oxygen separation tank 12. The second controller 15 is a temperature controller, for example, to monitor and control the temperature of water in the oxygen separation tank 12 in real time. Specifically, when the second controller 15 detects that the temperature of water in the oxygen separation tank 12 is low, the second controller 15 heats the water until the water reaches a preset temperature. By arranging the first controller 14 and the second controller 15, the temperature of water entering the electrolytic tank 13 can be monitored and controlled in real time, to ensure the normal progress of electrolysis reaction in the electrolytic tank 13.

[0046] In summary, the utility model provides a kind of electrolytic water hydrogen production testing device, by setting up multiple electrolytic tank share same hydrogen separation tank and same oxygen separation tank, constitute multiple channel testing device, can simultaneously carry out multiple electrolytic water test processes, to improve the use efficiency of testing device, so that testing device has multiple channel scalability.Moreover, the testing device provided by the utility model can monitor the temperature and liquid level of water supplemented into the electrolytic tank in real time to ensure the smooth progress of the test process.

[0047] References to "one embodiment", "an embodiment", or "the embodiments" throughout the specification, mean that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the application, and is not necessarily included in all embodiments. Thus, the various appearances of the phrases "in one embodiment", "in an embodiment", or "in a specific embodiment" in various places throughout this specification are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, or characteristics can be combined in any suitable manner in one or more embodiments. It will be appreciated that, except where otherwise indicated, the application described herein is not limited in its application to the details of construction or the arrangement of components set forth in the description or illustrated in the drawings. Changes can be made in the application as described herein, and in its application, without departing from the scope of the application as recited in the claims.

[0048] The above description is only preferred embodiments of the present application and the explanation of the technical principles applied, and those skilled in the art should understand that the application range of the application involved in the present application is not limited to the technical solutions formed by the specific combinations of the technical features described above, and should also cover other technical solutions formed by any combinations of the technical features described above or their equivalent features without departing from the application concept, for example, the technical solutions formed by the mutual replacement of the features described above and the technical features disclosed in the present application (but not limited to) with similar functions. In addition to the technical features described in the specification, the remaining technical features are known to those skilled in the art, and in order to highlight the innovative features of the present application, the remaining technical features are not described here.

Claims

1. A device for testing hydrogen production from water electrolysis, characterized in that, At least comprising: a hydrogen separation tank; an oxygen separation tank, which is arranged in parallel with the hydrogen separation tank; a connecting pipeline, which is arranged between the hydrogen separation tank and the oxygen separation tank; a plurality of electrolytic cells, which are connected to the outlet of the oxygen separation tank in parallel and each of which comprises a first outlet and a second outlet, the first outlet being connected to the oxygen separation tank and the second outlet being connected to the hydrogen separation tank; a first controller, which is in communication with the interior of the hydrogen separation tank; and a second controller, which is in communication with the interior of the oxygen separation tank.

2. The water electrolysis hydrogen production test device according to claim 1, characterized in that, The test device further comprises a communication valve, which is arranged on the connecting pipeline.

3. The water electrolysis hydrogen production test device according to claim 1, characterized in that, The test device further comprises a purification unit, which is arranged between the first outlet and the oxygen separation tank.

4. The water electrolysis hydrogen production test device of claim 1, wherein, The test device further comprises a plurality of water pumps, at least one of which is arranged between each of the electrolytic cells and the outlet of the oxygen separation tank.

5. The water electrolysis hydrogen production test device according to claim 4, characterized in that, The number of the water pumps is equal to the number of the electrolytic cells.

6. The water electrolysis hydrogen production test device according to claim 4, characterized in that, The test device further comprises a control valve, which is arranged between the oxygen separation tank and the plurality of water pumps.

7. The water electrolysis hydrogen production test device according to claim 6, characterized in that, The inlet of the control valve is connected to the outlet of the oxygen separation tank, and the plurality of water pumps are connected to the outlet of the control valve in parallel.

8. The water electrolysis hydrogen production test device of claim 1, wherein, The test device further comprises a liquid level meter, one of which is connected to the interior of the hydrogen separation tank and the interior of the oxygen separation tank, respectively.

9. The water electrolysis hydrogen production test device of claim 1, wherein, The test device further comprises a measuring instrument, which is arranged on the first outlet or the second outlet of each of the electrolytic cells.

10. The water electrolysis hydrogen production test device of claim 1, wherein, The first controller and the second controller are temperature controllers.

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