Stirring device for production of PEM fuel cell catalyst
By using a magnetically driven stirring mechanism and a feeding system with precise dosage control in the fuel cell catalyst production device, the problem of raw material dosage control and sealing is solved, and the production quality of the catalyst is improved.
Patent Information
- Application Number
- CN202420933224.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-04-30
AI Technical Summary
The existing stirring devices are difficult to control the amount of raw materials in the production of fuel cell catalysts, and the motor drive results in poor sealing effect when connecting the transmission shaft to the stirring mechanism, which affects the production quality.
A device including a mixing box, feeding mechanism and mixing mechanism is designed. The mixing rod is driven by a magnetic generator and a magnetic driving ring, and the amount is accurately controlled through the feeding barrel and control valve, and the temperature is adjusted in combination with the electric heating rod to ensure sealing. and quality of production.
Accurate mixing and stirring of catalyst raw materials is achieved, production quality is improved, sealing effect is ensured, and the production needs of fuel cell catalysts are met.
Smart Images

Figure CN222267030U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of catalyst production, in particular to a stirring device for producing PEM fuel cell catalysts. Background Art
[0002] Proton exchange membrane is the core component of proton exchange membrane fuel cells and plays a key role in battery performance. It not only has a barrier effect, but also has the function of conducting protons. The full proton exchange membrane mainly uses fluorosulfonic acid proton exchange membrane; non-fluorinated polymer proton exchange membrane; new composite proton exchange membrane, etc.
[0003] During the production process of fuel cell catalysts, multiple raw materials need to be mixed and stirred in proportion. The existing stirring devices still have certain defects when used. First, it is inconvenient for staff to control the amount of various raw materials. Second, the current stirring devices are usually directly driven by motors. During installation, the motor drive shaft needs to be connected to the stirring mechanism inside the device. The connection part is difficult to maintain a good sealing effect, and long-term use can easily affect the production quality of the catalyst. Utility Model Content
[0004] The purpose of the utility model is to provide a stirring device for producing PEM fuel cell catalysts to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stirring device for the production of PEM fuel cell catalysts, comprising a stirring box, a group of feed ports are opened on the upper surface of the stirring box, a group of feeding mechanisms are installed on the upper surface of the stirring box, a stirring mechanism is installed inside the stirring box, the stirring mechanism comprises a magnetic generator, the magnetic generator is installed on the bottom surface of the stirring box, a vertical rod is fixedly connected to the inner bottom wall of the stirring box, a sleeve is rotatably connected to the outer surface of the vertical rod, a group of stirring rods are fixedly connected to the outer surface of the sleeve, a magnetic drive ring is installed at the bottom end of the sleeve, and a group of electric heating rods are installed on the inner bottom wall of the stirring box.
[0006] Wherein, the feeding mechanism includes a group of feeding barrels, the bottom end of each of the feeding barrels is fixedly connected to the inner wall of the feeding port, and the upper surface of each of the feeding barrels is hinged with a cover plate.
[0007] Wherein, the outer surface of each of the feed barrels is provided with a first control valve and a second control valve, and the outer surface of each of the feed barrels is fixedly inlaid with an observation window.
[0008] Among them, the outer surfaces of a group of the feeding barrels are commonly fixedly connected to a fixing frame, and the bottom surface of the fixing frame is fixedly connected to the upper surface of the mixing box.
[0009] A group of support rods are fixedly connected to the bottom surface of the mixing box, the bottom end of each support rod is fixedly connected to a base, and a control panel is installed on the outer surface of the mixing box.
[0010] Wherein, the bottom surface of the mixing box is fixedly connected with a discharge pipe, and the outer surface of the discharge pipe is provided with a third control valve.
[0011] The bottom surface of the mixing box is fixedly connected with a shell, the magnetic generator is located inside the shell, and a limit block is installed on the top of the vertical rod.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] The utility model can mix various raw materials for producing catalysts inside the stirring box through the stirring box provided, and can add different materials separately through the feeding mechanism provided, and is convenient for controlling the amount of each material used, and can generate magnetic force through the stirring mechanism provided, and can rotate the sleeve and the stirring rod through the cooperation of the magnetic driving circle and the vertical rod, so as to fully stir the added materials, and has a good sealing effect when in use, thereby ensuring the production quality of the fuel cell catalyst, and can adjust the internal temperature of the stirring box through the electric heating rod provided, so as to further meet the production needs. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of a stirring device for producing a PEM fuel cell catalyst according to the utility model;
[0015] Figure 2 It is a three-dimensional structural schematic diagram of a front cross-sectional view of a stirring box in a stirring device for producing a PEM fuel cell catalyst according to the utility model;
[0016] Figure 3 This is a schematic diagram of the three-dimensional structure of a neutral rod of a stirring device for producing a PEM fuel cell catalyst according to the utility model;
[0017] Figure 4 It is a three-dimensional structural schematic diagram of a stirring mechanism in a stirring device for producing a PEM fuel cell catalyst according to the utility model;
[0018] Figure 5 The utility model is a three-dimensional structural schematic diagram of a feeding mechanism in a stirring device for producing a PEM fuel cell catalyst.
[0019] In the figure: 1. mixing box; 2. support rod; 3. base; 4. control panel; 5. feeding mechanism; 501. feeding barrel; 502. first control valve; 503. second control valve; 504. observation window; 505. cover plate; 6. fixing frame; 7. discharge pipe; 8. third control valve; 9. stirring mechanism; 901. shell; 902. vertical rod; 903. limit block; 904. magnetic generator; 905. magnetic drive ring; 906. sleeve; 907. stirring rod; 10. feeding port; 11. electric heating rod. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] See also Figure 1-5 The utility model provides a technical solution: a stirring device for producing PEM fuel cell catalysts, comprising a stirring box 1, a group of feed ports 10 are opened on the upper surface of the stirring box 1, a group of feeding mechanisms 5 are installed on the upper surface of the stirring box 1, a stirring mechanism 9 is installed inside the stirring box 1, the stirring mechanism 9 comprises a magnetic generator 904, the magnetic generator 904 is installed on the bottom surface of the stirring box 1, a vertical rod 902 is fixedly connected to the inner bottom wall of the stirring box 1, a sleeve 906 is rotatably connected to the outer surface of the vertical rod 902, and a group of stirring rods are fixedly connected to the outer surface of the sleeve 906 907, a magnetic drive ring 905 is installed at the bottom end of the sleeve 906, and a group of electric heating rods 11 are installed on the inner bottom wall of the mixing box 1. When in use, the raw materials for producing the catalyst can be mixed inside the mixing box 1, and the feeding mechanism 5 can be used to add different materials separately. The magnetic force can be generated by the magnetic generator 904. The cooperation of the magnetic drive ring 905 and the vertical rod 902 can drive the sleeve 906 and the stirring rod 907 to rotate, thereby stirring the materials. The internal temperature of the mixing box 1 can be adjusted by the electric heating rods 11 to meet the production needs.
[0022] Among them, the feeding mechanism 5 includes a group of feeding barrels 501, the bottom end of each feeding barrel 501 is fixedly connected to the inner wall of the feeding port 10, and the upper surface of each feeding barrel 501 is hinged with a cover plate 505. The feeding barrel 501 can be used to put the material into it first, and the cover plate 505 can be used to seal the feeding barrel 501 to avoid contamination of the raw materials placed inside it.
[0023] Among them, the outer surface of each feed barrel 501 is provided with a first control valve 502 and a second control valve 503, and the outer surface of each feed barrel 501 is fixedly embedded with an observation window 504. Through the cooperation of the first control valve 502 and the second control valve 503, the amount of material inside the feed barrel 501 can be regulated, and the observation window 504 is arranged to facilitate the staff to directly observe the material.
[0024] Among them, the outer surfaces of a group of feed barrels 501 are fixedly connected to a fixing frame 6, and the bottom surface of the fixing frame 6 is fixedly connected to the upper surface of the mixing box 1. The fixing frame 6 can reinforce the feed barrel 501.
[0025] Among them, a group of support rods 2 are fixedly connected to the bottom surface of the mixing box 1, and the bottom end of each support rod 2 is fixedly connected to a base 3. A control panel 4 is installed on the outer surface of the mixing box 1. The support rods 2 and the base 3 can make the device be placed stably for use, and the control panel 4 can be used to operate the device.
[0026] The bottom surface of the mixing box 1 is fixedly connected with a discharge pipe 7, and the outer surface of the discharge pipe 7 is provided with a third control valve 8. The processed materials inside the mixing box 1 can be taken out for use through the discharge pipe 7 and the third control valve 8.
[0027] Among them, the bottom surface of the mixing box 1 is fixedly connected to a shell 901, the magnetic generator 904 is located inside the shell 901, and a limit block 903 is installed on the top of the vertical rod 902. The shell 901 can protect the magnetic generator 904, and the limit block 903 can limit the sleeve 906.
[0028] Working principle: When in use, firstly, the device needs to be placed in the use position and connected to the power supply. By opening the cover plate 505, materials can be added to the inside of the feed barrel 501. During operation, the second control valve 503 can be opened first to allow the material to fall above the first control valve 502. At this time, the amount of material can be checked through the observation window 504. When the required amount is reached, the second control valve 503 can be closed, and then the first control valve 502 can be opened to add the material to the mixing box 1. During the production process, the electric heating rod 11 can be used to adjust the internal temperature of the mixing box 1, and then the magnetic generator 904 is started. The magnetic force generated by it can be used in conjunction with the magnetic drive ring 905 to drive the sleeve 906 and the stirring rod 907 to rotate, thereby mixing and stirring the materials. The processed materials can be taken out through the discharge pipe 7 for use, which is more convenient.
[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A stirring device for producing a PEM fuel cell catalyst, comprising a stirring box (1), characterized in that: The upper surface of the mixing box (1) is provided with a group of feed ports (10), the upper surface of the mixing box (1) is provided with a group of feeding mechanisms (5), the interior of the mixing box (1) is provided with a mixing mechanism (9), the mixing mechanism (9) comprises a magnetic generator (904), the magnetic generator (904) is provided on the bottom surface of the mixing box (1), the inner bottom wall of the mixing box (1) is fixedly connected with a vertical rod (902), the outer surface of the vertical rod (902) is rotatably connected with a sleeve (906), the outer surface of the sleeve (906) is fixedly connected with a group of mixing rods (907), the bottom end of the sleeve (906) is provided with a magnetic driving ring (905), and the inner bottom wall of the mixing box (1) is provided with a group of electric heating rods (11).
2. The stirring device for producing a PEM fuel cell catalyst according to claim 1, characterized in that: The feeding mechanism (5) comprises a group of feeding barrels (501), the bottom end of each feeding barrel (501) is fixedly connected to the inner wall of the feeding port (10), and the upper surface of each feeding barrel (501) is hinged with a cover plate (505).
3. The stirring device for producing a PEM fuel cell catalyst according to claim 2, characterized in that: The outer surface of each of the feed barrels (501) is provided with a first control valve (502) and a second control valve (503), and the outer surface of each of the feed barrels (501) is fixedly inlaid with an observation window (504).
4. The stirring device for producing a PEM fuel cell catalyst according to claim 2, characterized in that: The outer surfaces of a group of the feed barrels (501) are commonly fixedly connected to a fixing frame (6), and the bottom surface of the fixing frame (6) is fixedly connected to the upper surface of the mixing box (1).
5. The stirring device for producing a PEM fuel cell catalyst according to claim 1, characterized in that: A group of support rods (2) are fixedly connected to the bottom surface of the mixing box (1), and the bottom end of each support rod (2) is fixedly connected to a base (3). A control panel (4) is installed on the outer surface of the mixing box (1).
6. The stirring device for producing a PEM fuel cell catalyst according to claim 1, characterized in that: The bottom surface of the mixing box (1) is fixedly connected to a discharge pipe (7), and the outer surface of the discharge pipe (7) is provided with a third control valve (8).
7. The stirring device for producing a PEM fuel cell catalyst according to claim 1, characterized in that: The bottom surface of the mixing box (1) is fixedly connected to a shell (901), the magnetic force generator (904) is located inside the shell (901), and a limit block (903) is installed at the top end of the vertical rod (902).