PEM electrolytic bath for producing hydrogen from pure water
The PEM electrolyzer design with a fixed frame and spring-loaded clamping mechanism addresses the separation issue of cell units, enhancing stability and efficiency in pure water hydrogen production.
Patent Information
- Application Number
- CN202421810877.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-30
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-07-30
AI Technical Summary
In the process of producing hydrogen by pure water, the electrolytic cell is prone to loosening, affecting the hydrogen production efficiency.
By setting up a fixing frame, an inlay frame, a clamping rod, a movable rod and a spring in the electrolytic cell, stable clamping and fixing of the diaphragm plate is achieved to ensure stable connection of the electrolytic unit cell.
It improves the stability of the electrolytic cell tank, maintains efficient operation during pure water hydrogen production, and ensures the safety and stability of the electrolytic cell.
Smart Images
Figure CN223103093U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of PEM electrolytic hydrogen production equipment, in particular to a pure water electrolytic hydrogen production PEM electrolytic cell. Background Technique
[0002] The electrolytic cell consists of a cell body, an anode and a cathode, and most use a diaphragm to separate the anode chamber and the cathode chamber. It is divided into three categories: aqueous solution electrolytic cell, molten salt electrolytic cell and non-aqueous solution electrolytic cell according to different electrolytes. When direct current passes through the electrolytic cell, an oxidation reaction occurs at the interface between the anode and the solution, and a reduction reaction occurs at the interface between the cathode and the solution to produce the required products.
[0003] When the existing electrolytic cell conducts pure water electrolysis, first install the electrolytic cell, and then place the electrolytic unit cell with an ion membrane. When carrying out hydrogen production work, multiple electrolytic unit cells will separate, thus affecting the efficiency of pure water electrolytic hydrogen production. Content of the Utility Model
[0004] Aiming at the deficiencies of the prior art, the utility model provides a pure water electrolytic hydrogen production PEM electrolytic cell, which solves the problem that the electrolytic unit cell is prone to looseness during pure water electrolytic hydrogen production existing nowadays.
[0005] To achieve the above object, the utility model provides the following technical solution: A pure water electrolytic hydrogen production PEM electrolytic cell, including an electrolytic cell, a fixing frame is fixedly installed at the upper end of the electrolytic cell, an inner embedding frame is movably installed inside the fixing frame, clamping columns are movably installed on both sides of the inner embedding frame, a movable rod is movably installed at the upper end of the inner embedding frame, the lower end of the movable rod is movably installed inside the inner embedding frame, an inclined block is fixedly installed on the lower side surface of the inner embedding frame, a stabilizing block is fixedly connected to the rear end of the clamping column, and an inclined groove is opened inside the stabilizing block.
[0006] As a preferred technical solution of the utility model, columns are fixedly installed at the four corners of the upper end of the electrolytic cell, a partition board is fixedly installed at the upper end of the columns, and a positioning groove is fixedly installed inside the partition board.
[0007] As a preferred technical solution of the utility model, a handle is fixedly installed at the upper end of the fixing frame, and side frames are fixed on both sides of the electrolytic cell.
[0008] As a preferred technical solution of the utility model, support rods are fixedly installed on both sides of the fixing frame, the lower ends of the support rods are clamped inside the side frames, and a diaphragm plate is fixedly installed at the lower end of the inner embedding frame.
[0009] As a preferred technical solution of the utility model, a clamping plate is fixedly installed at the lower end of the inner embedding frame, a first spring is fixedly installed inside the clamping plate, and a fixing plate is fixedly installed inside the electrolytic cell.
[0010] As a preferred technical solution of the present utility model, a clamping groove is fixedly opened inside the fixing frame, and a third spring is fixedly installed outside the clamping post.
[0011] As a preferred technical solution of the present utility model, a second spring is fixedly installed at the lower end of the movable rod, and one end of the second spring is fixedly connected to the inside of the embedded frame.
[0012] Compared with the prior art, the present utility model provides a pure water hydrogen production PEM electrolytic cell, which has the following beneficial effects:
[0013] The present utility model fixes the electrolytic unit cell. A plurality of diaphragm plates are installed inside the electrolytic cell. A fixing frame is installed at the upper end of the diaphragm plate. A clamping plate is installed at the lower end of the fixing frame. The clamping plate clamps the diaphragm plate. A spring is fixedly installed inside the clamping plate. When installing the diaphragm plate, the diaphragm plate is snapped into the lower end of the clamping plate, then the diaphragm plate passes through the inside of the fixing frame, and then presses down to make the clamping posts on both sides snap into the inside of the fixing frame. A spring is fixedly installed at the rear end of the outside of the fixing frame and is fixedly connected to a movable block. An inclined groove is opened inside the movable block. A pressure rod is movably installed inside the inclined groove. An inclined block is fixedly installed on the side surface of the pressure rod. When pressing down, the inclined block squeezes the inclined groove to drive the clamping post to move backward, so that the clamping post is taken out from the inside of the clamping hole, and then the diaphragm plate is disassembled. The diaphragm plate is stably connected to the fixing frame and can remain stable during pure water hydrogen production. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is a three-dimensional structural schematic diagram of a pure water hydrogen production PEM electrolytic cell of the present utility model;
[0015] Figure 2 is a sectional structural schematic diagram of a pure water hydrogen production PEM electrolytic cell of the present utility model;
[0016] Figure 3 is a sectional structural schematic diagram of a pure water hydrogen production PEM electrolytic cell of the present utility model;
[0017] Figure 4 is a pure water hydrogen production PEM electrolytic cell of the present utility model Figure 3 in which the enlarged schematic diagram of the structure at A.
[0018] In the figure: 1, electrolytic cell; 2, support column; 3, partition board; 4, side frame; 5, support rod; 6, fixing frame; 7, handle; 8, fixing plate; 9, positioning groove; 10, diaphragm plate; 11, first spring; 12, clamping plate; 13, movable rod; 14, clamping groove; 15, clamping post; 16, second spring; 17, inclined block; 18, stable block; 19, inclined groove; 20, third spring; 21, embedded frame. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.
[0020] Please refer to Figures 1-4 , in this implementation: A pure water hydrogen production PEM electrolytic cell includes an electrolytic cell 1. A fixed frame 6 is fixedly installed at the upper end of the electrolytic cell 1 to increase the stability in hydrogen production by electrolysis. An inner embedded frame 21 is movably installed inside the fixed frame 6 to facilitate the disassembly and installation of the diaphragm plate 10. Clamping columns 15 are movably installed on both sides of the inner embedded frame 21 to facilitate clamping and fixed connection. A movable rod 13 is movably installed at the upper end of the inner embedded frame 21 to facilitate movable adjustment. The lower end of the movable rod 13 is movably installed inside the inner embedded frame 21. An inclined block 17 is fixedly installed on the lower side surface of the inner embedded frame 21 to facilitate downward movable extrusion. A stabilizing block 18 is fixedly connected to the rear end of the clamping column 15 to increase the stability during use. An inclined groove 19 is opened inside the stabilizing block 18 to cooperate with the inclined block 17 for sliding operation.
[0021] In this embodiment, support columns 2 are fixedly installed at the four corners of the upper end of the electrolytic cell 1. A partition plate 3 is fixedly installed at the upper end of the support columns 2 to increase the safety during use. A positioning groove 9 is fixedly installed inside the partition plate 3 to facilitate positioning and installation. A handle 7 is fixedly installed at the upper end of the fixed frame 6 to facilitate the operation of applying force and pressing during use. Side frames 4 are fixed on both sides of the electrolytic cell 1 to increase the stability during use. Support rods 5 are fixedly installed on both sides of the fixed frame 6 to increase the stability of the fixed frame 6 during use. The lower end of the support rod 5 is clamped inside the side frame 4 to increase the stability during connection. A diaphragm plate 10 is fixedly installed at the lower end of the inner embedded frame 21 to facilitate electrolysis operation.
[0022] In this embodiment, a clamping plate 12 is fixedly installed at the lower end of the inner embedded frame 21 to clamp the diaphragm plate 10. A first spring 11 is fixedly installed inside the clamping plate 12 to perform pressurization operation during installation. A fixing plate 8 is fixedly installed inside the electrolytic cell 1 to stably place the diaphragm plate 10. A card slot 14 is fixedly opened inside the inner side of the fixed frame 6 for mating and clamping. A third spring 20 is fixedly installed outside the clamping column 15 to facilitate rebounding by using elastic action. A second spring 16 is fixedly installed at the lower end of the movable rod 13, and one end of the second spring 16 is fixedly connected to the inside of the inner embedded frame 21 to facilitate the reset of the movable rod 13.
[0023] Working principle and usage process of the present utility model: The operator fixedly installs the diaphragm plate 10 at the lower end of the built-in frame 21. There is a clamping plate 12 fixedly installed at the lower end of the built-in frame 21. The clamping plate 12 clamps the diaphragm plate 10. There are multiple first springs 11 fixedly installed at the lower end of the built-in frame 21. After clamping the diaphragm plate 10, pass the diaphragm plate 10 downward through the positioning groove 9, and then press the built-in frame 21 downward. There are clamping posts 15 movably installed on both sides of the built-in frame 21. When pressing downward, the clamping posts 15 are clamped into the inner card slot 14 of the fixed frame 6. There is a third spring 20 fixedly installed on the outside of the clamping post 15 to make the clamping post 15 pop out to the outside. When disassembling and replacing the diaphragm plate 10, press the movable rod 13 downward. There is an inclined block 17 fixedly installed on the lower side of the lower end of the movable rod 13. The rear end of the clamping post 15 is fixedly connected with a stabilizing block 18. There is an inclined slot 19 opened inside the stabilizing block 18. When the movable rod 13 is pressed downward, it drives the inclined block 17 to squeeze the inclined slot 19, driving the clamping post 15 to move and contract backward. There is a third spring 20 fixedly installed at the lower end of the movable rod 13, which can return to its original position after the movable rod 13 is pressed. When pressing and fixing downward, the first spring 11 plays a role of pressing and fixing the diaphragm plate 10, increasing the stability of the diaphragm plate 10 during use.
[0024] In the description of the utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.
[0025] In the description of the utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "provided with", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0026] The components adopted in the present utility model are all common standard components or components known to those skilled in the art. Their structures and principles can all be known by those skilled in the art through technical manuals or through conventional experimental methods.
[0027] The above description is only a preferred embodiment of the present utility model, and does not impose any limitation on the technical scope of the present utility model. Therefore, any minor modification, equivalent change and modification made to the above embodiments based on the technical essence of the present utility model still fall within the protection scope of the present utility model.
Claims
1. A PEM electrolyzer for pure water hydrogen production, comprising an electrolyzer (1), characterized in that: A fixing frame (6) is fixedly installed at the upper end of the electrolyzer (1); An inner embedding frame (21) is movably installed inside the fixing frame (6); Clamping columns (15) are movably installed on both sides of the inner embedding frame (21), a movable rod (13) is movably installed at the upper end of the inner embedding frame (21), and the lower end of the movable rod (13) is movably installed inside the inner embedding frame (21); An inclined block (17) is fixedly installed on the lower side surface of the inner embedding frame (21); A stabilizing block (18) is fixedly connected to the rear end of the clamping column (15); An inclined groove (19) is formed inside the stabilizing block (18).
2. The PEM electrolyzer for pure water hydrogen production according to claim 1, characterized in that: Support columns (2) are fixedly installed at the four corners of the upper end of the electrolyzer (1); A partition plate (3) is fixedly installed at the upper end of the support columns (2); A positioning groove (9) is fixedly installed inside the partition plate (3).
3. The PEM electrolyzer for pure water hydrogen production according to claim 1, characterized in that: A handle (7) is fixedly installed at the upper end of the fixing frame (6); Side frames (4) are fixed on both sides of the electrolyzer (1).
4. The PEM electrolyzer for pure water hydrogen production according to claim 1, characterized in that: Support rods (5) are fixedly installed on both sides of the fixing frame (6), and the lower ends of the support rods (5) are clamped inside the side frames (4); A diaphragm plate (10) is fixedly installed at the lower end of the inner embedding frame (21).
5. The PEM electrolyzer for pure water hydrogen production according to claim 1, characterized in that: A clamping plate (12) is fixedly installed at the lower end of the inner embedding frame (21); A first spring (11) is fixedly installed inside the clamping plate (12); A fixing plate (8) is fixedly installed inside the electrolyzer (1).
6. The PEM electrolyzer for pure water hydrogen production according to claim 1, characterized in that: A card slot (14) is fixedly formed inside the inner side of the fixing frame (6); A third spring (20) is fixedly installed on the outside of the clamping column (15).
7. The PEM electrolyzer for pure water hydrogen production according to claim 1, characterized in that: A second spring (16) is fixedly installed at the lower end of the movable rod (13); One end of the second spring (16) is fixedly connected to the inside of the inner embedding frame (21).