Testing equipment for detecting adhesive force of electrode for hydrogen production through water electrolysis

Abstract

The utility model relates to the technical field of water electrolysis hydrogen production, in particular to test equipment for detecting the adhesive force of an electrode for water electrolysis hydrogen production, which comprises a test box, a partition plate, a plurality of test insertion plates, a booster pump, a conveying main pipe, two shunt pipes and two spraying assemblies. After a to-be-tested electrode is installed on the test plug boards at different positions away from the spraying assembly through the electrode plug frame, the booster pump is started, the conveying main pipe and the shunt pipe are matched, high-pressure water flow is conveyed to the spraying assembly, the electrode is scoured through the spraying assembly, and a catalyst attached to the electrode is flushed away; after the washed electrode is dried and weighed, the weight of the washed electrode is compared with the weight of the current electrode which is not washed, so that the falling rate of a catalyst attached to the electrode is tested, and the two electrodes can be tested at the same time through the arrangement of the two testing areas, so that the testing efficiency is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of water electrolysis hydrogen production, in particular to a testing device for detecting the adhesion of electrodes used for water electrolysis hydrogen production. Background Art

[0002] The alkaline water electrolysis hydrogen production technology applies direct current between two electrodes in an alkaline electrolytic cell, and the anode and cathode simultaneously release hydrogen and oxygen respectively. The electrode is the most critical material inside the electrolytic cell and is related to the performance of the electrolytic cell. The current electrode production processes include thermal spraying, in-situ growth, electroplating, liquid phase deposition, etc., and all of these processes have the phenomenon of catalyst falling off without exception.

[0003] However, there is no testing equipment for detecting the adhesion of electrodes for hydrogen production by water electrolysis in the prior art, and the drop rate of the catalyst attached to the electrode cannot be tested intuitively. Summary of the invention

[0004] The purpose of the utility model is to provide a testing device for detecting the adhesion of electrodes for hydrogen production by water electrolysis, so as to solve the problem that there is no testing device for detecting the adhesion of electrodes for hydrogen production by water electrolysis in the prior art, and the drop rate of the catalyst attached to the electrode cannot be tested intuitively.

[0005] To achieve the above-mentioned purpose, the utility model provides a test device for detecting the adhesion of electrodes for water electrolysis hydrogen production, the test device for detecting the adhesion of electrodes for water electrolysis hydrogen production comprising a test box, a partition, a plurality of test plugs, a booster pump, a delivery main pipe, two shunt pipes and two spray assemblies, the partition is fixedly arranged inside the test box, the partition divides the inside of the test box into two test areas, a plurality of slots are arranged on both sides of the inside of each test area, and the test plug is arranged between two corresponding slots;

[0006] The input end of the booster pump is connected to an external water source, the output end of the booster pump is provided with the delivery main pipe, the end of the delivery main pipe away from the booster pump is connected to two of the shunt pipes through a three-way joint, each of the shunt pipes is provided with the spray assembly at one end away from the delivery main pipe, each of the spray assemblies corresponds to one of the test areas, and an electrode plug frame is provided on one side of each test plug board close to the corresponding spray assembly and on one side of each test area close to the corresponding spray assembly.

[0007] Wherein, each of the spray assemblies includes a diverter head, four output pipes and four high-pressure nozzles. The diverter head is installed on the end of the diverter pipe away from the main delivery pipe. The four output pipes are arranged on the diverter head. The high-pressure nozzle is arranged on the end of each output pipe away from the diverter head. The high-pressure nozzle is installed on the side wall of the corresponding test area.

[0008] Wherein, each of the test plug boards is provided with a plurality of through holes, and the through holes are located inside the electrode plug frame.

[0009] Among them, placement corners are arranged at the four top corners inside the test box, and a cover plate is arranged between the upper surfaces of the four placement corners.

[0010] Wherein, a handle is arranged at the center of the upper surface of the cover plate.

[0011] A sewage outlet is provided through the bottom of the side wall of each test area, and an overflow outlet is provided through the side wall of each test area.

[0012] The utility model discloses a testing device for detecting the adhesion of electrodes for producing hydrogen by water electrolysis, comprising a testing box, a partition, a plurality of testing plug-ins, a booster pump, a delivery main pipe, two shunt pipes and two spray assemblies. According to actual testing requirements, after the electrode to be tested is installed on the testing plug-in board at different positions from the spray assembly through the electrode plug-in frame, the booster pump is turned on, and the high-pressure water flow is delivered to the spray assembly through the cooperation of the delivery main pipe and the shunt pipe. The electrode is flushed through the spray assembly to flush away the catalyst attached to the electrode. When the flushing is completed, the flushed electrode is dried and weighed, and then compared with the weight of the current electrode before flushing, thereby completing the test of the drop rate of the catalyst attached to the electrode. Moreover, by setting the two testing areas, the two electrodes can be tested at the same time, so that the testing efficiency is higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 The utility model is a schematic diagram of the structure of a testing device for detecting the adhesion of electrodes for producing hydrogen by water electrolysis.

[0015] Figure 2It is a partial structural schematic diagram of a testing device provided by the utility model for detecting the adhesion of electrodes for producing hydrogen by water electrolysis.

[0016] 101-test box, 102-partition, 103-test plug board, 104-boosting pump, 105-delivery main pipe, 106-diverter pipe, 107-test area, 108-slot, 109-tee joint, 110-electrode plug frame, 111-diverter head, 112-output pipe, 113-high-pressure nozzle, 114-through hole, 115-placement corner, 116-cover plate, 117-handle, 118-drain outlet, 119-overflow outlet. DETAILED DESCRIPTION

[0017] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0018] See also Figure 1 and Figure 2 The utility model provides a testing device for detecting the adhesion of electrodes for water electrolysis hydrogen production, the testing device for detecting the adhesion of electrodes for water electrolysis hydrogen production comprises a testing box 101, a partition 102, a plurality of testing plug boards 103, a booster pump 104, a delivery main pipe 105, two shunt pipes 106 and two spray assemblies, the partition 102 is fixedly arranged inside the testing box 101, the partition 102 divides the inside of the testing box 101 into two testing areas 107, a plurality of slots 108 are arranged on both sides of the inside of each testing area 107, and the testing plug board 103 is arranged between two corresponding slots 108. 03, the input end of the booster pump 104 is connected to an external water source, the output end of the booster pump 104 is provided with the delivery main pipe 105, the end of the delivery main pipe 105 away from the booster pump 104 is connected to two shunt pipes 106 through a three-way joint 109, each of the shunt pipes 106 is provided with a spray assembly at one end away from the delivery main pipe 105, each of the spray assemblies corresponds to one of the test areas 107, and an electrode plug frame 110 is provided on one side of each test plug board 103 close to the corresponding spray assembly and on one side of each test area 107 close to the corresponding spray assembly.

[0019] In this embodiment, according to actual test requirements, the electrode to be tested is installed on the test plug board 103 at a different position from the spray assembly through the electrode plug frame 110, and the booster pump 104 is turned on. The high-pressure water flow is delivered to the spray assembly through the cooperation of the delivery main pipe 105 and the shunt pipe 106. The electrode is flushed through the spray assembly to flush away the catalyst attached to the electrode. When the flushing is completed, the flushed electrode is dried and weighed, and then compared with the weight of the current electrode before flushing, thereby completing the test of the drop rate of the catalyst attached to the electrode. In addition, by setting the two test areas 107, two electrodes can be tested at the same time, which makes the test efficiency higher.

[0020] Furthermore, each of the spray assemblies includes a diverter head 111, four output pipes 112 and four high-pressure nozzles 113. The diverter head 111 is installed at the end of the diverter pipe 106 away from the main delivery pipe 105. The four output pipes 112 are arranged on the diverter head 111. The high-pressure nozzle 113 is arranged at the end of each output pipe 112 away from the diverter head 111. The high-pressure nozzle 113 is installed on the side wall of the corresponding test area 107.

[0021] In this embodiment, the pressurized water flow is delivered to the diversion head 111 through the diversion pipe 106 , and the four output pipes 112 cooperate with the four high-pressure nozzles 113 to spray high-pressure water columns more evenly into the interior of the test area 107 .

[0022] Furthermore, each of the test plug boards 103 is provided with a plurality of through holes 114 , and the through holes 114 are located inside the electrode plug frame 110 .

[0023] In this embodiment, the through hole 114 is provided so that water can flow out through the through hole 114, thereby preventing water from splashing and affecting the appearance.

[0024] Furthermore, placement corners 115 are disposed at four top corners inside the test box 101 , and a cover plate 116 is disposed between upper surfaces of the four placement corners 115 .

[0025] In this embodiment, when the test box 101 is not in use, the cover plate 116 can be placed on the upper surfaces of the four placement corners 115 to prevent dust in the external environment from entering the interior of the test box 101 .

[0026] Furthermore, a handle 117 is provided at the center of the upper surface of the cover plate 116 .

[0027] In this embodiment, the handle 117 is provided to facilitate the removal of the cover plate 116 from the test box 101 .

[0028] Furthermore, a sewage outlet 118 is provided through the bottom of the side wall of each of the test areas 107 , and an overflow outlet 119 is provided through the side wall of each of the test areas 107 .

[0029] In this embodiment, the overflow port 119 is located above the corresponding sewage outlet 118, and the overflow port 119 is on a different side from the corresponding sewage outlet 118. Through the setting of the overflow port 119, when the water in the test area 107 reaches the overflow port 119, it can be automatically discharged from the inside of the test area 107. When the test is completed, the water in the test area 107 can be completely discharged through the sewage outlet 118.

[0030] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. A testing device for detecting the adhesion of electrodes for hydrogen production by water electrolysis, characterized in that: It comprises a test box, a partition, a plurality of test plugs, a booster pump, a delivery main pipe, two shunt pipes and two spray assemblies, wherein the partition is fixedly arranged inside the test box, and the partition divides the inside of the test box into two test areas, and a plurality of slots are arranged on both sides of the inside of each test area, and the test plug is arranged between two corresponding slots; The input end of the booster pump is connected to an external water source, the output end of the booster pump is provided with the delivery main pipe, the end of the delivery main pipe away from the booster pump is connected to two of the shunt pipes through a three-way joint, each of the shunt pipes is provided with the spray assembly at one end away from the delivery main pipe, each of the spray assemblies corresponds to one of the test areas, and an electrode plug frame is provided on one side of each test plug board close to the corresponding spray assembly and on one side of each test area close to the corresponding spray assembly.

2. The testing device for detecting the adhesion of electrodes for hydrogen production by water electrolysis according to claim 1, characterized in that: Each of the spray assemblies includes a diverter head, four output pipes and four high-pressure nozzles. The diverter head is installed on the end of the diverter pipe away from the main delivery pipe. The four output pipes are arranged on the diverter head. The end of each output pipe away from the diverter head is provided with the high-pressure nozzle. The high-pressure nozzle is installed on the side wall of the corresponding test area.

3. The testing device for detecting the adhesion of electrodes for hydrogen production by water electrolysis as claimed in claim 2, characterized in that: Each of the test plug boards is provided with a plurality of through holes, and the through holes are located inside the electrode plug frame.

4. The testing device for detecting the adhesion of electrodes for hydrogen production by water electrolysis as claimed in claim 3, characterized in that: The four top corners inside the test box are all provided with placement corners, and a cover plate is provided between the upper surfaces of the four placement corners.

5. The testing device for detecting the adhesion of electrodes for producing hydrogen by water electrolysis as claimed in claim 4, characterized in that: A handle is arranged at the center of the upper surface of the cover plate.

6. The testing device for detecting the adhesion of electrodes for producing hydrogen by water electrolysis as claimed in claim 3, characterized in that: A sewage outlet is provided through the bottom of the side wall of each test area, and an overflow outlet is also provided through the side wall of each test area.

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