Testing equipment for detecting sealing gasket for hydrogen production

Abstract

The utility model relates to the technical field of hydrogen production through water electrolysis, in particular to test equipment for detecting sealing gaskets for hydrogen production. The test equipment comprises a first end plate, a second end plate, a plurality of cathode plates, a plurality of anode plates, a plurality of sealing gaskets and an alkali liquor circulating unit, a plurality of cathode plates and a plurality of anode plates which are arranged in a staggered mode are distributed between the first end plate and the second end plate, a sealing gasket is arranged between each cathode plate and the adjacent anode plate, the first end plate and the second end plate are fastened through a plurality of bolts, and through the arrangement of an alkali liquor circulation unit, a liquor inlet and a liquor outlet, the alkali liquor circulation efficiency is improved. Alkali liquor circulates in the multiple cathode plates, the multiple anode plates and the multiple sealing gaskets, meanwhile, the alkali liquor is heated through the alkali liquor heating device, the sealing gaskets are heated to expand after the alkali liquor is heated, then the alkali liquor is cooled through the alkali liquor cooling device, at the moment, the sealing gaskets are tightened, and the process is repeated; and the high-strength tolerance test can be carried out on the sealing gasket.

Description

Technical Field

[0001] The utility model relates to the technical field of hydrogen production by electrolyzing water, in particular to a test device for detecting a sealing gasket for hydrogen production. Background Art

[0002] The alkaline electrolytic water hydrogen production technology is to apply direct current between two electrodes in an alkaline electrolytic cell, and hydrogen and oxygen are respectively precipitated at the cathode and anode at the same time. Among them, the sealing gasket is the main sealing mechanism inside the hydrogen production equipment, and its service life will significantly affect the service life of the hydrogen production equipment, and the current sealing gasket is disposable.

[0003] However, there is no test device in the prior art for detecting the durability of the sealing gasket for hydrogen production, and the durability of the sealing gasket under various working conditions cannot be intuitively tested. Summary of the Invention

[0004] The purpose of the utility model is to provide a test device for detecting a sealing gasket for hydrogen production, so as to solve the problem that there is no test device in the prior art for detecting the durability of the sealing gasket for hydrogen production, and the durability of the sealing gasket under various working conditions cannot be intuitively tested.

[0005] To achieve the above purpose, the utility model provides a test device for detecting a sealing gasket for hydrogen production. The test device for detecting a sealing gasket for hydrogen production includes a first end plate, a second end plate, a plurality of cathode plates, a plurality of anode plates, a plurality of sealing gaskets and an alkali liquid circulation unit. A plurality of the cathode plates and a plurality of the anode plates are arranged between the first end plate and the second end plate, and the plurality of cathode plates and the plurality of anode plates are arranged alternately in sequence. A sealing gasket is arranged between each cathode plate and the adjacent anode plate. The first end plate and the second end plate are fixed by a plurality of bolts. A liquid inlet and a liquid outlet are arranged on the second end plate, and the alkali liquid circulation unit is arranged between the liquid inlet and the liquid outlet. An alkali liquid heating device and an alkali liquid cooling device are arranged on the alkali liquid circulation unit.

[0006] Wherein, the alkali liquid circulation unit includes an alkali liquid tank, a circulation pump, a delivery main pipe and a return main pipe. The input end of the circulation pump is connected to the alkali liquid tank through a pipeline. The output end of the circulation pump is provided with the delivery main pipe. One end of the delivery main pipe far away from the circulation pump is connected to the liquid inlet. One end of the return main pipe is connected to the liquid outlet, and the other end of the return main pipe is connected to the alkali liquid tank. The alkali liquid heating device and the alkali liquid cooling device are arranged on the delivery main pipe.

[0007] Among them, the number of the liquid inlets is two. One end of the total conveying pipe away from the circulating pump is connected with two first shunt pipes through a first three-way pipe, and each first shunt pipe is respectively connected with one of the liquid inlets.

[0008] Among them, the number of the liquid outlets is two. One end of the total return pipe away from the lye tank is connected with two second shunt pipes through a second three-way pipe, and each second shunt pipe is respectively connected with one of the liquid outlets.

[0009] A testing device for testing a sealing gasket for hydrogen production of the present utility model includes a first end plate, a second end plate, a plurality of cathode plates, a plurality of anode plates, a plurality of sealing gaskets and a lye circulation unit. A plurality of the cathode plates and a plurality of the anode plates which are arranged alternately are distributed between the first end plate and the second end plate. A sealing gasket is arranged between each cathode plate and the adjacent anode plate. The first end plate and the second end plate are fastened by a plurality of bolts. Through the settings of the lye circulation unit, the liquid inlets and the liquid outlets, the lye inside the plurality of cathode plates, the plurality of anode plates and the plurality of sealing gaskets circulates. Meanwhile, the lye is heated by the lye heating device. After the lye is heated, the sealing gasket expands due to heat. Then the lye is cooled by the lye cooling device. At this time, the sealing gasket shrinks. By repeating this process, a high-strength tolerance test can be carried out on the sealing gasket. Description of the Drawings

[0010] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0011] Figure 1 It is a schematic structural diagram of the testing device for testing a sealing gasket for hydrogen production provided by the present utility model.

[0012] Figure 2 It is a side view of the first end plate and the second end plate provided by the present utility model.

[0013] 101 - First end plate, 102 - Second end plate, 103 - Cathode plate, 104 - Anode plate, 105 - Sealing gasket, 106 - Bolt, 107 - Liquid inlet, 108 - Liquid outlet, 109 - Lye heating device, 110 - Lye cooling device, 111 - Lye tank, 112 - Circulating pump, 113 - Total conveying pipe, 114 - Total return pipe, 115 - First three-way pipe, 116 - First shunt pipe, 117 - Second three-way pipe, 118 - Second shunt pipe. Detailed implementation mode

[0014] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the accompanying drawings, in which the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present utility model and should not be construed as limiting the present utility model.

[0015] Please refer to Figure 1 and Figure 2 The present utility model provides a test device for detecting a hydrogen production sealing gasket 105. The test device for detecting the hydrogen production sealing gasket 105 includes a first end plate 101, a second end plate 102, a plurality of cathode plates 103, a plurality of anode plates 104, a plurality of sealing gaskets 105, and an alkali liquid circulation unit. A plurality of the cathode plates 103 and a plurality of the anode plates 104 are arranged between the first end plate 101 and the second end plate 102. The plurality of cathode plates 103 and the plurality of anode plates 104 are arranged alternately in sequence. A sealing gasket 105 is arranged between each cathode plate 103 and the adjacent anode plate 104. The first end plate 101 and the second end plate 102 are fixed by a plurality of bolts 106. A liquid inlet 107 and a liquid outlet 108 are arranged on the second end plate 102. The alkali liquid circulation unit is arranged between the liquid inlet 107 and the liquid outlet 108. An alkali liquid heating device 109 and an alkali liquid cooling device 110 are arranged on the alkali liquid circulation unit.

[0016] In this embodiment, a plurality of alternately arranged cathode plates 103 and a plurality of anode plates 104 are distributed between the first end plate 101 and the second end plate 102. A sealing gasket 105 is arranged between each cathode plate 103 and the adjacent anode plate 104. The first end plate 101 and the second end plate 102 are fastened by a plurality of bolts 106. Through the arrangement of the alkali liquid circulation unit, the liquid inlet 107 and the liquid outlet 108, the internal circulating alkali liquid of the plurality of cathode plates 103, the plurality of anode plates 104, and the plurality of sealing gaskets 105 is enabled. At the same time, the alkali liquid is heated by the alkali liquid heating device 109. After the alkali liquid is heated, the sealing gasket 105 expands due to heat. Then, the alkali liquid is cooled by the alkali liquid cooling device 110. At this time, the sealing gasket 105 shrinks. By repeating this process, a high-strength tolerance test can be carried out on the sealing gasket 105.

[0017] Further, the lye circulation unit includes a lye tank 111, a circulation pump 112, a main delivery pipe 113 and a main return pipe 114. The input end of the circulation pump 112 is connected to the lye tank 111 through a pipe. The output end of the circulation pump 112 is provided with the main delivery pipe 113. One end of the main delivery pipe 113 away from the circulation pump 112 is connected to the liquid inlet 107. One end of the main return pipe 114 is connected to the liquid outlet 108, and the other end of the main return pipe 114 is connected to the lye tank 111. The lye heating device 109 and the lye cooling device 110 are arranged on the main delivery pipe 113. The number of the liquid inlets 107 is two. One end of the main delivery pipe 113 away from the circulation pump 112 is connected with two first shunt pipes 116 through a first tee 115, and each first shunt pipe 116 is respectively connected to one of the liquid inlets 107. The number of the liquid outlets 108 is two. One end of the main return pipe 114 away from the lye tank 111 is connected with two second shunt pipes 118 through a second tee 117, and each second shunt pipe 118 is respectively connected to one of the liquid outlets 108.

[0018] In this embodiment, when the circulation pump 112 is started, lye is output to the interiors of the plurality of cathode plates 103, the plurality of anode plates 104 and the plurality of sealing gaskets 105 through the cooperation of the main delivery pipe 113, the first tee 115, the two first shunt pipes 116 and the two liquid inlets 107. The lye inside the plurality of cathode plates 103, the plurality of anode plates 104 and the plurality of sealing gaskets 105 flows back into the lye tank 111 through the cooperation of the two liquid outlets 108, the two second shunt pipes 118, the second tee 117 and the main return pipe 114, thereby completing the internal circulation of the lye in the plurality of cathode plates 103, the plurality of anode plates 104 and the plurality of sealing gaskets 105.

[0019] The above-disclosed content is only a preferred embodiment of the present invention. Of course, it cannot be used to limit the scope of rights of the present invention. Those of ordinary skill in the art can understand all or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present invention still fall within the scope covered by the present invention.

Claims

1. A test device for detecting a sealing gasket for hydrogen production, characterized in that: It includes a first end plate, a second end plate, multiple cathode plates, multiple anode plates, multiple sealing gaskets and an alkali liquid circulation unit, multiple cathode plates and multiple anode plates are arranged between the first end plate and the second end plate, the multiple cathode plates and multiple anode plates are arranged alternately in sequence, and the sealing gasket is arranged between each cathode plate and the adjacent anode plate, the first end plate and the second end plate are fixed by multiple bolts, a liquid inlet and a liquid outlet are arranged on the second end plate, the alkali liquid circulation unit is arranged between the liquid inlet and the liquid outlet, and the alkali liquid heating device and the alkali liquid cooling device are arranged on the alkali liquid circulation unit.

2. The testing device for detecting a sealing gasket for hydrogen production according to claim 1, characterized in that: The alkali liquid circulation unit comprises an alkali liquid tank, a circulation pump, a delivery main pipe and a reflux main pipe. The input end of the circulation pump is connected to the alkali liquid tank through a pipeline, the output end of the circulation pump is provided with the delivery main pipe, one end of the delivery main pipe away from the circulation pump is connected to the liquid inlet, one end of the reflux main pipe is connected to the liquid outlet, and the other end of the reflux main pipe is connected to the alkali liquid tank. The delivery main pipe is provided with the alkali liquid heating device and the alkali liquid cooling device.

3. The testing device for detecting a sealing gasket for hydrogen production according to claim 2, characterized in that: There are two liquid inlets, and one end of the main delivery pipe away from the circulation pump is connected to two first shunt pipes through a first three-way pipe, and each of the first shunt pipes is connected to one of the liquid inlets.

4. The testing device for detecting a sealing gasket for hydrogen production according to claim 3, characterized in that: The number of the liquid outlets is two, and one end of the reflux main pipe away from the alkali liquid tank is connected to two second shunt pipes through a second three-way pipe, and each of the second shunt pipes is respectively connected to one of the liquid outlets.

Images