Electrochemical degradation and disc-type reverse osmosis membrane integrated device
By integrating the guide plate and conductive rod in the disc-tube reverse osmosis membrane device, the paper-shaped water flow path is formed and involved in electrochemical degradation, the disc-tube reverse osmosis membrane is solved. The disc-tube reverse osmosis membrane is low in efficiency and large in space when dealing with difficult-to-degrade organic matter. Problem, efficient wastewater treatment and space conservation have been achieved.
Patent Information
- Application Number
- CN202421117894.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-21
- Publication Date
- 2025-01-03
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing disc-tube reverse osmosis membranes are inefficient and occupy a large space when treating difficult-to-degrade organic matter in wastewater, so they cannot effectively integrate electrochemical degradation devices.
Design a device that integrates electrochemical degradation with a disc reverse osmosis membrane. By fixing the installation of the guide plate and the conductive rod in the installation housing, the guide plate and the diaphragm form a paper-shaped water flow path, and participate in electrochemistry in the circuit. Degradation, improve the electrochemical degradation rate.
It has achieved efficient removal of difficult-to-degrade organic matter and toxic substances in water, forming an integrated wastewater treatment system, significantly improving treatment efficiency and reducing space occupation.
Smart Images
Figure CN222293714U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of filtration, in particular to a device integrating electrochemical degradation and a disc-type reverse osmosis membrane. Background Art
[0002] Disc-tube reverse osmosis (DTRO) is an advanced membrane separation technology, mainly used for water treatment and seawater desalination. Its structure consists of many small disc-shaped pipes, which are called disc tubes, and each disc tube has a polymer membrane inside. Through the principle of membrane separation, DTRO membrane can effectively remove dissolved solids, dissolved organic matter, dissolved gases and microorganisms in water.
[0003] However, DTRO technology cannot meet the needs of difficult-to-degrade organic matter and other substances in wastewater. Therefore, in actual application, it is also necessary to use it in combination with an electrochemical degradation device, but the integration is low and the space occupied is large. Therefore, in response to the above phenomenon, a device integrating electrochemical degradation and disc reverse osmosis membrane is proposed to meet the needs of actual use. Utility Model Content
[0004] The utility model provides a device integrating electrochemical degradation and disc-type reverse osmosis membrane, which solves the technical problems in the background technology.
[0005] In order to solve the above technical problems, the utility model provides a device integrating electrochemical degradation and disc-type reverse osmosis membrane, comprising a mounting shell, wherein a lower end cover and an upper end cover are fixedly mounted on the upper and lower ends of the mounting shell respectively, and the surfaces of the lower end cover and the upper end cover are movably sleeved with lip rings, and the lip rings are fitted with the inner wall of the mounting shell, and the middle of the lower end cover and the upper end cover are plugged with the same pull rod, and both ends of the pull rod are threadedly connected with fastening nuts, a diaphragm is fixedly mounted on the surface of the pull rod, a plastic mounting seat is fixedly mounted on the inner wall of the mounting shell, a guide plate is fixedly mounted on the side of the plastic mounting seat, a conductive rod is fixedly connected to the guide plate, and a wire is connected to the side of the conductive rod, and the wire passes through the side of the mounting shell.
[0006] Preferably, there are two plastic mounting seats, the two plastic mounting seats are symmetrical about the axis of the mounting shell, an insulating pad is placed between the two plastic mounting seats, and the insulating pad is made of rubber.
[0007] Preferably, the inner wall of the plastic mounting seat is respectively provided with a mounting groove and an arc groove, the conductive rod is fixedly installed in the mounting groove, a clamping groove is provided on the side of the guide plate, the outer arc edge of the guide plate is fixedly installed in the arc groove, the surface of the conductive rod matches the clamping groove, and a middle groove for the filtered solution to flow through is provided at the center of the guide plate.
[0008] Preferably, a wastewater inlet pipe and a concentrate outlet pipe are fixedly mounted on the side surfaces of the lower end cover respectively.
[0009] Preferably, the filtered solution passes through the membrane and communicates with the interior of the pull rod, and a water outlet is provided at one end of the pull rod.
[0010] Preferably, the materials of the two guide plates are coated titanium anode and stainless steel respectively.
[0011] Compared with the related art, the device integrating electrochemical degradation and disc-type reverse osmosis membrane provided by the utility model has the following beneficial effects:
[0012] The utility model provides an integrated device of electrochemical degradation and disc reverse osmosis membrane. The conductive rod plays a conductive role and can also limit the guide plate, which is convenient for the installation of the guide plate. After the guide plate is connected to the circuit, not only can the guide plate and the membrane form a zigzag water flow path, but the guide plate connected to the circuit also participates in the electrochemical degradation. The number of guide plates is large, the surface area is large, and the electrochemical degradation rate is fast. DTRO technology itself has efficient separation and interception capabilities, and can effectively remove soluble solids, organic matter and microorganisms in water, while electrochemical degradation technology can further degrade difficult-to-degrade organic matter and toxic substances in water through electrochemical reactions. The combination of the two can form complementary advantages and form an integrated wastewater treatment system, which occupies a small space and significantly improves the wastewater treatment efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0014] Figure 2 This is a schematic diagram of the cross-sectional structure of the lower end cover of the utility model;
[0015] Figure 3 This is a schematic diagram of the cross-sectional structure of the upper end cover of the utility model;
[0016] Figure 4 This is a three-dimensional assembly diagram of the plastic mounting seat of the utility model;
[0017] Figure 5 It is a three-dimensional assembly schematic diagram of the guide plate of the utility model.
[0018] Numbers in the figure: 1. Install the shell; 2. Lower end cover; 3. Pull rod; 4. Fastening nut; 5. Wastewater inlet pipe; 6. Concentrate outlet pipe; 7. Lip ring; 8. Diaphragm; 9. Plastic mounting seat; 10. Guide plate; 11. Conductive rod; 12. Upper end cover; 13. Insulating pad; 14. Middle groove; 15. Card slot; 91. Mounting groove; 92. Arc groove. DETAILED DESCRIPTION
[0019] Example, by Figure 1-5 The utility model includes a mounting shell 1, on the upper and lower ends of which a lower end cover 2 and an upper end cover 12 are fixedly mounted respectively, and the surfaces of the lower end cover 2 and the upper end cover 12 are movably sleeved with a lip ring 7, which fits the inner wall of the mounting shell 1, and the middle of the lower end cover 2 and the upper end cover 12 is plugged with a same pull rod 3, both ends of the pull rod 3 are threadedly connected with a fastening nut 4, a diaphragm 8 is fixedly mounted on the surface of the pull rod 3, a plastic mounting seat 9 is fixedly mounted on the inner wall of the mounting shell 1, a guide plate 10 is fixedly mounted on the side of the plastic mounting seat 9, a conductive rod 11 is fixedly connected to the guide plate 10, and a wire is connected to the side of the conductive rod 11, and the wire passes through the side of the mounting shell 1.
[0020] In this embodiment, by connecting the guide plate 10 to the circuit, not only can the guide plate 10 and the diaphragm 8 form a meandering water flow path, but the guide plate 10 connected to the circuit also participates in electrochemical degradation. The number of guide plates 10 is large, the surface area is large, and the electrochemical degradation rate is fast, which can further increase the filtering effect.
[0021] There are two plastic mounting seats 9 , which are symmetrical about the axis of the mounting housing 1 . An insulating pad 13 is placed between the two plastic mounting seats 9 , and the insulating pad 13 is made of rubber.
[0022] In this embodiment, the insulating pad 13 separates the two guide plates 10 to prevent the guide plates 10 from directly contacting each other.
[0023] The inner wall of the plastic mounting seat 9 is respectively provided with a mounting groove 91 and an arc groove 92, the conductive rod 11 is fixedly installed in the mounting groove 91, the side of the guide plate 10 is provided with a card slot 15, the outer arc edge of the guide plate 10 is fixedly installed in the arc groove 92, the surface of the conductive rod 11 matches the card slot 15, and the center of the guide plate 10 is provided with a middle groove 14 for the filtered solution to flow through.
[0024] In this embodiment, the conductive rod 11 can not only perform the function of conducting electricity, but also limit the guide plate 10 , thereby facilitating the installation of the guide plate 10 .
[0025] A wastewater inlet pipe 5 and a concentrate outlet pipe 6 are fixedly mounted on the side surfaces of the lower end cover 2 .
[0026] In this embodiment, the wastewater inlet pipe 5 is used for the entry of the filtered solution, and the filtered solution needs to be added with electrolyte to increase the electrochemical degradation rate. The concentrated solution outlet pipe 6 is the concentrated solution outlet hole.
[0027] The filtered solution passes through the membrane 8 and communicates with the interior of the pull rod 3 , and a water outlet is provided at one end of the pull rod 3 .
[0028] In this embodiment, the membrane 8 filters the dirt, and the filtered solution enters the interior of the membrane 8 and enters the pull rod 3, and is then discharged in a centralized manner.
[0029] The materials of the two guide plates 10 are respectively coated titanium anode and stainless steel.
[0030] In this embodiment, the two guide plates 10 are respectively an anode material and a cathode material, wherein the anode material is often a coated titanium anode, such as Ti / RuO2, Ti / TiO2, etc. These electrodes have high catalytic activity, stability and corrosion resistance, and can effectively promote the oxidative degradation of organic pollutants; the cathode material is often made of metal materials such as stainless steel and carbon steel as the cathode, which have high conductivity and stability and can provide sufficient electrons in the electrochemical degradation process.
[0031] Working principle: The conductive rod 11 not only performs the function of conducting electricity, but also functions as a limiter for the guide plate 10, thereby facilitating the installation of the guide plate 10. By connecting the guide plate 10 to the circuit, not only can the guide plate 10 and the diaphragm 8 form a meandering water flow path, but the guide plate 10 connected to the circuit also participates in electrochemical degradation. The number of guide plates 10 is large, the surface area is large, and the electrochemical degradation rate is fast, thereby further increasing the filtering effect.
Claims
1. A device integrating electrochemical degradation and disc-type reverse osmosis membrane, comprising a mounting housing (1), characterized in that: The lower and upper ends of the installation shell (1) are respectively fixedly mounted with a lower end cover (2) and an upper end cover (12), the surfaces of the lower end cover (2) and the upper end cover (12) are movably sleeved with a lip ring (7), the lip ring (7) is fitted with the inner wall of the installation shell (1), the middle of the lower end cover (2) and the upper end cover (12) are plugged with a same pull rod (3), both ends of the pull rod (3) are threadedly connected with a fastening nut (4), a diaphragm (8) is fixedly mounted on the surface of the pull rod (3), a plastic mounting seat (9) is fixedly mounted on the inner wall of the installation shell (1), a guide plate (10) is fixedly mounted on the side of the plastic mounting seat (9), a conductive rod (11) is fixedly connected to the guide plate (10), the side of the conductive rod (11) is connected with a wire, and the wire passes through the side of the installation shell (1).
2. The device integrating electrochemical degradation and disc-type reverse osmosis membrane according to claim 1, characterized in that: The number of the plastic mounting seats (9) is two, and the two plastic mounting seats (9) are symmetrical about the axis of the mounting housing (1). An insulating pad (13) is placed between the two plastic mounting seats (9), and the insulating pad (13) is made of rubber.
3. The device integrating electrochemical degradation and disc-type reverse osmosis membrane according to claim 1, characterized in that: The inner wall of the plastic mounting seat (9) is respectively provided with a mounting groove (91) and an arc groove (92); the conductive rod (11) is fixedly mounted in the mounting groove (91); a clamping groove (15) is provided on the side of the guide plate (10); the outer arc edge of the guide plate (10) is fixedly mounted in the arc groove (92); the surface of the conductive rod (11) matches the clamping groove (15); and a middle groove (14) for the filtered solution to flow through is provided at the center of the guide plate (10).
4. The device integrating electrochemical degradation and disc-type reverse osmosis membrane according to claim 1, characterized in that: A wastewater inlet pipe (5) and a concentrated liquid outlet pipe (6) are fixedly mounted on the side surfaces of the lower end cover (2).
5. The device integrating electrochemical degradation and disc-type reverse osmosis membrane according to claim 2, characterized in that: The filtered solution passes through the membrane (8) and communicates with the interior of the pull rod (3), and a water outlet is provided at one end of the pull rod (3).
6. The device integrating electrochemical degradation and disc-type reverse osmosis membrane according to claim 1, characterized in that: The materials of the two guide plates (10) are respectively coated titanium anode and stainless steel.