A membrane electrolysis device for wastewater treatment

Abstract

This utility model discloses a diaphragm electrolysis device for wastewater treatment, relating to the field of wastewater treatment technology. The device includes an electrolytic cell with a sealing gasket connected to the lower part of the cell. Insert brackets are fixed to both sides of the cell's interior, and a support is fixed to the top of the cell. A guide frame is connected to the top of the support, and limit frames penetrate both sides of the bottom of the support. A sealing strip penetrates one side of each limit frame. This utility model utilizes a rack, spring, limit frame, sealing strip, gear, insert bracket, and sealing gasket. The sliding rack compresses the spring, and the rack meshes with the gear to drive the limit frame to rotate. After rotation, the limit frame no longer restricts the top of the outer frame, and the sealing strip follows the limit frame's rotation away from the outer frame. At this point, the outer frame can be directly pulled upwards to replace the diaphragm. The new outer frame and new diaphragm body are then inserted into the insert bracket. The insert bracket provides easy positioning for the outer frame and diaphragm body. The operation is simple, convenient, time-saving, labor-saving, and results in minimal wear.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, specifically to a diaphragm electrolysis device for wastewater treatment. Background Technology

[0002] Industries such as electroplating and mining discharge large amounts of wastewater containing heavy metal ions and pollutants during production. The metal ions in the discharged wastewater are mostly pure and precious heavy metals with extremely high recycling value. The substances in the wastewater can be separated by diaphragm electrolysis, thereby recovering heavy metals, radioactive elements, alkalis, lignin, etc. The diaphragm electrolysis method is an electrochemical metallurgical operation that uses a permeable porous diaphragm to separate the cathode and anode in the electrolytic cell.

[0003] When replacing the diaphragm in existing diaphragm electrolysis devices, the sealing structure requires the seal to be in close contact with the diaphragm to ensure a tight seal. This causes friction between the diaphragm and the seal during diaphragm removal and installation. This increases the resistance during diaphragm removal and installation, making the operation more cumbersome and labor-intensive. It also easily causes some wear to the edges of the diaphragm and the seal, thus affecting the service life of the structure. Utility Model Content

[0004] Therefore, the purpose of this utility model is to provide a diaphragm electrolysis device for wastewater treatment, so as to solve the technical problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a diaphragm electrolysis device for wastewater treatment, comprising an electrolysis cell, a sealing gasket connected to the lower part of the electrolysis cell, brackets fixed on both sides of the electrolysis cell, a support fixed on the top of the electrolysis cell, and a guide connected to the top of the support, limit frames penetrating both sides of the bottom of the support, and a sealing strip penetrating one side of the limit frame, a gear connected to the top of the limit frame, a rack connected to the top of the support, and a spring connected between the rack and the support.

[0006] By adopting the above technical solution, the spring is compressed by the sliding rack, and the rack meshes with the gear to drive the limiting frame to rotate. After the limiting frame rotates, it no longer limits the top of the outer frame. At the same time, the sealing strip rotates away from the outer frame along with the limiting frame. At this time, the outer frame can be pulled out directly to replace the diaphragm. Then, the new outer frame and the new diaphragm body are inserted into the insert. The insertion frame is used to position the outer frame and the diaphragm body to facilitate the determination of their installation positions. The operation is simple and convenient. The sealing strip does not contact the outer frame, reducing structural wear and resistance during disassembly and assembly. After the outer frame and the diaphragm body are installed, the rack is stopped. The rack is driven to reset by the spring. At the same time, the rack meshes with the gear to drive the limiting frame to reverse and press against the top of the outer frame, preventing the outer frame and the diaphragm body from falling upward. At the same time, the sealing strip reverses with the limiting frame to re-adhere tightly to the surface of the outer frame to form a seal, preventing direct exchange of fluids between the two sides of the electrolytic cell.

[0007] Furthermore, the rack is slidably connected to the bracket and the guide frame respectively, and the rack meshes with the gear.

[0008] By adopting the above technical solution, the spring is compressed by sliding the rack, and the rack is guided by the guide frame. Then the rack meshes with the gear to drive the limit frame to rotate.

[0009] Furthermore, the limiting bracket abuts against the insert bracket.

[0010] By adopting the above technical solution, the rack is reset by the spring, and at the same time the rack meshes with the gear to drive the limit frame to reverse. The insertion bracket and the limit frame are used to resist each other to prevent the limit frame from rotating too much.

[0011] Furthermore, both the sealing strip and the sealing gasket are made of polytetrafluoroethylene sealing material.

[0012] By adopting the above technical solution, polytetrafluoroethylene sealing material has good resistance to acid and alkali corrosion, and good elasticity to seal the sides and bottom of the outer frame.

[0013] Furthermore, there are two of each of the guide frame, rack, spring, gear, and insert, and four of each of the limiting frame and sealing strip.

[0014] By adopting the above technical solution, the number of guide frames, racks, springs, gears, inserts, limit frames, and sealing strips is increased, thereby increasing the number of limit points on the sealing area and improving sealing performance and stability of the limit.

[0015] Furthermore, the insert is internally connected to an outer frame, and a diaphragm body is installed inside the outer frame. Two interfaces are connected to the upper side of one side and the lower side of the other side of the electrolytic cell.

[0016] By adopting the above technical solution, the staff connected the pipeline to four ports to realize the entry and exit of materials. Then, the staff placed the anode and cathode in the electrolytic cell, located in front of and behind the diaphragm body respectively, and energized them to separate the substances in the wastewater through diaphragm electrolysis.

[0017] Furthermore, the limiting frame abuts against the outer frame, and the limiting frame is rotatably connected to the electrolytic cell and the support respectively.

[0018] By adopting the above technical solution, the rack and pinion mesh with the gear to drive the limiting frame to reverse and press against the top of the outer frame, preventing the outer frame and the diaphragm body from falling upwards.

[0019] Furthermore, the outer frame is slidably connected to the insert, and the outer frame abuts against the sealing strip and the sealing gasket respectively.

[0020] By adopting the above technical solution, the installation position of the outer frame and the diaphragm body can be easily determined by the bracket positioning, while the bottom of the outer frame is attached to the sealing gasket to form a bottom seal.

[0021] Furthermore, a first handle is fixed to both sides of the rack, and a second handle is fixed to the top of the outer frame.

[0022] By adopting the above technical solution, the staff can slide the two racks simultaneously through the first handle, and the staff can directly pull the outer frame upward through the second handle to replace the diaphragm. Afterwards, the new outer frame and the new diaphragm body are inserted into the insert through the new second handle.

[0023] In summary, the present invention has the following main advantages:

[0024] This invention utilizes a rack, spring, limiting bracket, sealing strip, gear, insert, and sealing gasket. The sliding rack compresses the spring, while the rack meshes with the gear to drive the limiting bracket to rotate. Once rotated, the limiting bracket no longer restricts the top of the outer frame, and the sealing strip follows the limiting bracket's rotation away from the outer frame. At this point, the outer frame can be directly pulled upwards to replace the diaphragm. The new outer frame and diaphragm body are then inserted into the insert. The insert provides easy positioning of the outer frame and diaphragm body, simplifying the operation. The sealing strip does not contact the outer frame, reducing structural wear and resistance during assembly and disassembly. After installing the outer frame and diaphragm body, the rack operation stops, and the spring drives the rack to reset. Simultaneously, the rack meshes with the gear to reverse the limiting bracket, pressing it against the top of the outer frame to prevent the outer frame and diaphragm body from falling upwards. The sealing strip also reverses with the limiting bracket, re-adhering tightly to the outer frame surface to form a seal, preventing direct fluid exchange between the two sides of the electrolytic cell. The operation is simple, convenient, time-saving, labor-saving, and involves minimal wear. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of this utility model;

[0026] Figure 2 This is a top view of the structure of this utility model;

[0027] Figure 3 This is a top view of the electrolytic cell structure of this utility model;

[0028] Figure 4 This is a schematic diagram of the rack structure of this utility model.

[0029] In the diagram: 1. Electrolytic cell; 2. Interface; 3. Outer frame; 4. Diaphragm body; 5. Support; 6. Guide frame; 7. Rack; 8. Spring; 9. Limiting frame; 10. Sealing strip; 11. Gear; 12. Insertion bracket; 13. Sealing gasket; 14. First handle; 15. Second handle. Detailed Implementation

[0030] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0031] The embodiments of this utility model will be described below based on its overall structure.

[0032] Example 1:

[0033] A membrane electrolysis device for wastewater treatment, such as Figures 1-4As shown, the device includes an electrolytic cell 1, with a sealing gasket 13 connected to the lower part of the interior of the electrolytic cell 1. Insert brackets 12 are fixed on both sides of the interior of the electrolytic cell 1. The outer frame 3 is slidably connected to the insert brackets 12. A bracket 5 is fixed to the top of the electrolytic cell 1, with a guide bracket 6 connected to the top of the bracket 5. Limiting brackets 9 penetrate both sides of the bottom of the bracket 5, abutting against the outer frame 3. The limiting brackets 9 are rotatably connected to the electrolytic cell 1 and the bracket 5, respectively, and abut against the insert brackets 12. A sealing strip 10 penetrates one side of the limiting bracket 9. Both the sealing strip 10 and the sealing gasket 13 are made of polytetrafluoroethylene (PTFE) sealing material. The outer frame 3 abuts against the sealing strip 10 and the sealing gasket 13 respectively. The top of the limiting frame 9 is connected to the gear 11, and the top of the bracket 5 is connected to the rack 7. The rack 7 is slidably connected to the bracket 5 and the guide frame 6 respectively. The rack 7 meshes with the gear 11, and a spring 8 is connected between the rack 7 and the bracket 5. There are two of each of the guide frame 6, rack 7, spring 8, gear 11 and insert 12. There are four of each of the limiting frame 9 and the sealing strip 10. When the diaphragm needs to be replaced, the staff first cleans the material in the electrolytic cell 1, and then the staff slides the diaphragm through the seal. The two racks 7 compress the two springs 8, and the racks 7 are guided by the guide bracket 6. The two racks 7 mesh with the four gears 11, driving the four limiting brackets 9 to rotate. After the four limiting brackets 9 rotate, they no longer limit the top of the outer frame 3. At the same time, the four sealing strips 10 rotate with the four limiting brackets 9 and move away from the outer frame 3. At this time, the operator can replace the outer frame 3 and the diaphragm body 4. The positioning of the insert bracket 12 makes it easy to determine the installation position of the outer frame 3 and the diaphragm body 4. The operation is simple and convenient. Moreover, the sealing strips 10 do not contact the outer frame 3, reducing structural wear and tear. The resistance during installation is reduced, and the bottom of the outer frame 3 is sealed with the sealing gasket 13 to form a bottom seal. After the outer frame 3 and the diaphragm body 4 are installed, the operator stops the operation. At this time, the two racks 7 are driven to reset by the two springs 8. At the same time, the two racks 7 mesh with the four gears 11 to drive the four limit brackets 9 to reverse and press against the top of the outer frame 3 to prevent the outer frame 3 and the diaphragm body 4 from falling upward. At the same time, the four sealing strips 10 are reversed along with the four limit brackets 9 to re-fit tightly with the surface of the outer frame 3 and the insert 12 to form a seal and prevent the fluid on both sides of the electrolytic cell 1 from directly exchanging.

[0034] See Figures 1-3 In the above embodiment, the insert 12 is connected to the outer frame 3, and the outer frame 3 is installed inside the diaphragm body 4. Two interfaces 2 are connected to the upper side of one side and the lower side of the other side of the electrolytic cell 1. The operator connects the pipeline to the four interfaces 2 respectively to realize the entry and exit of materials. Then the operator puts the anode and cathode into the electrolytic cell 1, which are located in front of and behind the diaphragm body 4 respectively, and energizes them, so as to separate the substances in the wastewater by the diaphragm electrolysis method.

[0035] Example 2:

[0036] Based on the above embodiment one, the following settings are made for ease of operation.

[0037] See Figure 1 , Figure 2 and Figure 4 In the above embodiment, a first handle 14 is fixed on both sides of the rack 7. The operator can slide the two racks 7 simultaneously through the first handle 14. A second handle 15 is fixed on the top of the outer frame 3. The operator can pull the outer frame 3 directly upward through the second handle 15 to replace the diaphragm. Then, the new outer frame 3 and the new diaphragm body 4 are inserted into the insert 12 through the new second handle 15.

[0038] The implementation principle of this utility model is as follows: First, the staff connects the pipeline to four ports 2 respectively to realize the entry and exit of materials. Then, the staff puts the anode and cathode into the electrolytic cell 1, which are located in front of and behind the membrane body 4 respectively, and energizes them to separate the substances in the wastewater through the membrane electrolysis method.

[0039] When the diaphragm needs to be replaced, the worker first cleans the material in the electrolytic cell 1. Then, the worker slides the two racks 7 using the first handle 14 to compress the two springs 8. At the same time, the racks 7 are guided by the guide frame 6, and the two racks 7 mesh with the four gears 11 to drive the four limit frames 9 to rotate. After the four limit frames 9 rotate, they no longer limit the top of the outer frame 3. At the same time, the four sealing strips 10 rotate with the four limit frames 9 and move away from the outer frame 3. At this time, the worker can directly pull the outer frame 3 upwards using the second handle 15 to replace the diaphragm. Then, the new outer frame 3 and the new diaphragm body 4 are inserted into the insert 12 using the new second handle 15. The insert 12 is used for positioning to facilitate the identification of the outer frame. The installation positions of the frame 3 and the diaphragm body 4 are simple and convenient to operate. The sealing strip 10 does not contact the outer frame 3, reducing structural wear and resistance during disassembly and assembly. At the same time, the bottom of the outer frame 3 is fitted with the sealing gasket 13 to form a bottom seal. After the outer frame 3 and the diaphragm body 4 are installed, the operator stops operating the first handle 14. At this time, the two springs 8 drive the two racks 7 to reset. At the same time, the two racks 7 mesh with the four gears 11 to drive the four limit brackets 9 to reverse and press against the top of the outer frame 3, preventing the outer frame 3 and the diaphragm body 4 from falling upward. At the same time, the four sealing strips 10 follow the four limit brackets 9 to reverse and re-fit tightly against the surface of the outer frame 3 and the insert 12 to form a seal, preventing direct fluid exchange between the two sides of the electrolytic cell 1.

[0040] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, and variations are within the scope of the claims of the present invention and are protected by patent law.

Claims

1. A membrane electrolysis device for wastewater treatment, comprising an electrolytic cell (1), characterized in that: A sealing gasket (13) is connected to the lower part of the electrolytic cell (1). A bracket (12) is fixed on both sides of the electrolytic cell (1). A bracket (5) is fixed on the top of the electrolytic cell (1), and a guide (6) is connected to the top of the bracket (5). A limit frame (9) passes through both sides of the bottom of the bracket (5), and a sealing strip (10) passes through one side of the limit frame (9). A gear (11) is connected to the top of the limit frame (9), and a rack (7) is connected to the top of the bracket (5). A spring (8) is connected between the rack (7) and the bracket (5).

2. The diaphragm electrolysis device for wastewater treatment according to claim 1, characterized in that: The rack (7) is slidably connected to the bracket (5) and the guide (6) respectively, and the rack (7) meshes with the gear (11).

3. The diaphragm electrolysis device for wastewater treatment according to claim 1, characterized in that: The limiting frame (9) abuts against the insert (12).

4. The diaphragm electrolysis device for wastewater treatment according to claim 1, characterized in that: Both the sealing strip (10) and the sealing gasket (13) are made of polytetrafluoroethylene sealing material.

5. The diaphragm electrolysis device for wastewater treatment according to claim 4, characterized in that: Two of each of the guide frame (6), rack (7), spring (8), gear (11) and insert (12) are provided, and four of each of the limit frame (9) and sealing strip (10) are provided.

6. The diaphragm electrolysis device for wastewater treatment according to claim 1, characterized in that: The insert (12) is connected to an outer frame (3), and a diaphragm body (4) is installed inside the outer frame (3). The electrolytic cell (1) has two interfaces (2) connected to the top of one side and the bottom of the other side.

7. The diaphragm electrolysis device for wastewater treatment according to claim 6, characterized in that: The limiting frame (9) abuts against the outer frame (3), and the limiting frame (9) is rotatably connected to the electrolytic cell (1) and the bracket (5) respectively.

8. The diaphragm electrolysis device for wastewater treatment according to claim 6, characterized in that: The outer frame (3) is slidably connected to the insert (12), and the outer frame (3) abuts against the sealing strip (10) and the sealing gasket (13) respectively.

9. The diaphragm electrolysis device for wastewater treatment according to claim 6, characterized in that: The rack (7) is fixed with a first handle (14) on both sides, and the outer frame (3) is fixed with a second handle (15) on the top.

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