Nanofiltration water treatment device

Abstract

The utility model discloses a nanofiltration water treatment device which comprises a water treatment cylinder, ultrafiltration membrane plates are mounted on two sides of an inner cavity of the water treatment cylinder, cellulose filter membranes are mounted on one sides of the two ultrafiltration membrane plates, and porous connecting seats are arranged on one sides of the two cellulose filter membranes. Ceramic filter columns are embedded in the two porous connecting seats, a clamping connecting seat is arranged at the bottom end of the nanofiltration connecting cylinder, a confluence connecting hole is formed in the middle of the top end of the water treatment cylinder, and the nanofiltration connecting cylinder is connected with the confluence connecting hole of the water treatment cylinder through the clamping connecting seat and communicates with the water treatment cylinder. The ultrafiltration membrane plates are arranged on the two sides of the inner cavity of the water treatment barrel, the cellulose filter membrane is arranged on one side of each ultrafiltration membrane plate, the porous connecting seat is arranged on one side of each cellulose filter membrane, and the ceramic filter column is embedded in the porous connecting seat, so that water can be effectively treated before nanofiltration, and the nanofiltration efficiency is improved. The water quality filtering treatment precision is further ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of water treatment, in particular to a nanofiltration water treatment device. Background Art

[0002] Water treatment refers to the physical and chemical measures taken to make the water quality meet certain usage standards. Nanofiltration is a water treatment method. It is a pressure-driven membrane separation process between reverse osmosis and ultrafiltration. It is used to separate substances with smaller molecular weight from solvents; Patent No.

[0003] CN202121235620.5 discloses a nanofiltration device for water treatment projects, including a nanofiltration cartridge and an end cover, a threaded sleeve is fixed at one end of the outer surface of the nanofiltration cartridge, a threaded blind hole matching the threaded sleeve is opened at one end of the end cover, and a sealing ring is arranged inside the threaded blind hole, a receiving groove is opened at the other end of the end cover, and a through hole is opened on the inner wall surface of the receiving groove, a fixed tube is fixed inside the receiving groove, and a blocking block is installed at the bottom end of the fixed tube. The nanofiltration device for water treatment projects realizes the retractable installation of the rotary rod by setting the fixed tube, so that people can pull out the rotary rod and use it as a power arm to twist the end cover when needed. While achieving significant results, it also improves the efficiency of disassembly and assembly of the end cover, meeting actual usage needs.

[0004] The above-disclosed water treatment device has the disadvantages of being unable to fully and effectively filter water in the pre-nanofiltration stage and being unable to perform better nanofiltration without a dosing device. Therefore, we have designed a nanofiltration water treatment device. Utility Model Content

[0005] The purpose of the utility model is to provide a nanofiltration water treatment device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a nanofiltration water treatment device, comprising a water treatment cylinder, two water inlet connecting pipes and a nanofiltration connecting cylinder, sealing cover plates are provided at both ends of the water treatment cylinder, ultrafiltration membrane plates are installed on both sides of the inner cavity of the water treatment cylinder, cellulose filter membranes are installed on one side of the two ultrafiltration membrane plates, and a multi-porous connecting seat is provided on one side of the two cellulose filter membranes, and ceramic filter columns are embedded and installed inside the two multi-porous connecting seats, a snap-fit ​​connecting seat is provided at the bottom end of the nanofiltration connecting cylinder, and a confluence connecting hole is provided in the middle of the top end of the water treatment cylinder, the nanofiltration connecting cylinder is connected to the confluence connecting hole of the water treatment cylinder through the snap-fit ​​connecting seat and the nanofiltration connecting cylinder and the water treatment cylinder are connected.

[0007] Preferably, one end of the two ceramic filter columns is respectively connected to the corresponding water inlet connecting pipe, one end of the two water inlet connecting pipes respectively passes through the sealing perforations of the corresponding sealing cover plates and a quick connection joint is provided at the end of the water inlet connecting pipe.

[0008] Preferably, the inner seal of the nanofiltration connecting cylinder is provided with a piston connecting plate with a hole, the top end of the piston connecting plate with a hole is provided with a nanofiltration mesh connecting seat, and the nanofiltration mesh membrane is provided inside the nanofiltration mesh connecting seat.

[0009] Preferably, a one-way sealing valve seat is provided in the middle of the front of the water treatment cartridge, one end of the one-way sealing valve seat extends into the interior of the water treatment cartridge and is provided with an introduction needle, one end of the introduction needle is connected to the confluence connection hole.

[0010] Preferably, a dosing mixing cylinder is installed at the other end of the one-way sealing valve seat, and a dosing sealing seat is movably provided at an opening at one end of the dosing mixing cylinder.

[0011] Preferably, a water discharge pipe is provided at the top end of the nanofiltration connecting tube, and the water discharge pipe is a soft rubber tube structure with a rubber head.

[0012] Technical effects and advantages of the utility model:

[0013] (1) The utility model discloses a nanofiltration water treatment device. Ultrafiltration membrane plates are installed on both sides of the inner cavity of a water treatment cylinder. A cellulose filter membrane is installed on one side of the ultrafiltration membrane plate. A porous connection seat is provided on one side of the cellulose filter membrane. A ceramic filter column is embedded and installed inside the porous connection seat. Before nanofiltration, water can be effectively treated to further ensure the accuracy of water quality filtration treatment. A one-way sealing valve seat is provided on the water treatment cylinder to connect the dosing mixing cylinder and the introduction needle, so that drugs can be added during nanofiltration to improve the effect of water treatment and the quality requirements of water treatment. A piston connecting plate with holes is provided to connect the nanofiltration mesh connection seat and the nanofiltration mesh membrane, so as to ensure a good water treatment filtration effect and make the internal structure of the nanofiltration connection cylinder have good disassembly convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0015] Figure 2 It is a schematic diagram of the internal structure of the water treatment cylinder of the utility model.

[0016] Figure 3 It is a structural schematic diagram of the nanofiltration connecting tube of the utility model.

[0017] In the figure: 1. Water treatment cylinder; 2. Sealing cover plate; 3. Water inlet connecting pipe; 4. Quick connecting joint; 5. Nanofiltration connecting cylinder; 6. Water discharge pipe; 7. Dosing mixing cylinder; 8. One-way sealing valve seat; 9. Dosing sealing seat; 10. Ceramic filter column; 11. Porous connecting seat; 12. Cellulose filter membrane; 13. Ultrafiltration membrane plate; 14. Introducing needle; 15. Converging connecting hole; 16. Snap-fit ​​connecting seat; 17. Piston connecting plate with holes; 18. Nanofiltration mesh connecting seat; 19. Nanofiltration mesh membrane. DETAILED DESCRIPTION

[0018] 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.

[0019] The utility model provides Figure 1-3 A nanofiltration water treatment device is shown;

[0020] Embodiment 1: The nanofiltration water treatment device comprises a water treatment cylinder 1, two water inlet connecting pipes 3 and a nanofiltration connecting cylinder 5, sealing cover plates 2 are provided at both ends of the water treatment cylinder 1, ultrafiltration membrane plates 13 are installed on both sides of the inner cavity of the water treatment cylinder 1, cellulose filter membranes 12 are installed on one side of the two ultrafiltration membrane plates 13, and a porous connecting seat 11 is provided on one side of the two cellulose filter membranes 12, and ceramic filter columns 10 are embedded and installed inside the two porous connecting seats 11, a snap-fit ​​connecting seat 16 is provided at the bottom end of the nanofiltration connecting cylinder 5, and a confluence connecting hole 15 is provided in the middle of the top of the water treatment cylinder 1, and the nanofiltration connecting cylinder 5 is connected to the confluence connecting hole 15 of the water treatment cylinder 1 through the snap-fit ​​connecting seat 16 to make the nanofiltration connecting cylinder 5 and the water treatment cylinder 1 connected.

[0021] In this embodiment, if Figure 1 and Figure 2 As shown, in order to better introduce water into the interior of the ceramic filter column 10 so that it can flow inside the water treatment cartridge 1, and in order to facilitate better connection to the external water source, one end of the two ceramic filter columns 10 are respectively connected to the corresponding water inlet connecting pipes 3, one end of the two water inlet connecting pipes 3 respectively passes through the sealing perforations of the corresponding sealing cover plates 2, and a quick-connect joint 4 is provided at the end of the water inlet connecting pipe 3.

[0022] In this embodiment, if Figure 3As shown, in order to ensure a good water treatment filtration effect and at the same time make the internal structure of the nanofiltration connecting tube 5 easy to disassemble, the internal seal of the nanofiltration connecting tube 5 is provided with a perforated piston connecting plate 17, and the top of the perforated piston connecting plate 17 is provided with a nanofiltration mesh connecting seat 18, and the interior of the nanofiltration mesh connecting seat 18 is provided with a nanofiltration mesh membrane 19.

[0023] In this embodiment, if Figure 3 As shown, in order to better add the medicine into the confluence connection hole 15 of the water treatment cylinder 1 and prevent water from flowing out, a one-way sealing valve seat 8 is provided in the middle of the front side of the water treatment cylinder 1. One end of the one-way sealing valve seat 8 extends to the interior of the water treatment cylinder 1 and is provided with an introduction needle 14. One end of the introduction needle 14 is connected to the confluence connection hole 15; the other end of the one-way sealing valve seat 8 is installed with a dosing mixing cylinder 7, and a dosing sealing seat 9 is movably provided at the opening of one end of the dosing mixing cylinder 7.

[0024] In this embodiment, if Figure 1 As shown, in order to better connect the discharge equipment and facilitate the connection, a water discharge pipe 6 is provided at the top of the nanofiltration connection tube 5, and the water discharge pipe 6 is a soft rubber tube structure with a rubber head.

[0025] Working principle of the utility model: the quick connection joints 4 of the two water inlet connecting pipes 3 are respectively connected to the water source equipment that needs water treatment. Under the power output of the water source equipment, water enters the interior of the water inlet connecting pipe 3. Since the ceramic filter column 10 is connected to the water inlet connecting pipe 3, the water first enters the interior of the ceramic filter column 10 for one filtration, and then enters the porous connection seat 11, the cellulose filter membrane 12 and the ultrafiltration membrane plate 13, and performs two, three and four filtrations respectively. Finally, the treated water enters the interior of the nanofiltration connecting tube 5 through the confluence connection hole 15. Under the filtering action of the nanofiltration membrane 19, the nanofiltration operation of the water is realized. The utility model can effectively treat the water before nanofiltration, and further ensure the accuracy of water quality filtration treatment.

[0026] In the utility model, a one-way sealing valve seat 8 is provided on the water treatment cylinder to connect the drug adding mixing cylinder 7 and the introduction needle 14. One end of the introduction needle 14 is connected to the confluence connection hole 15, so that drugs can be added during nanofiltration, so that the drugs can be directly mixed with the treated water, thereby improving the effect of water treatment and the quality requirements of water treatment.

[0027] After the above treatment, the water is discharged to the water storage part of the discharge equipment through the water discharge pipe 6, and the treated water is stored.

[0028] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The specific embodiments described in this article are only used to illustrate the spirit of the utility model. The technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar way, but they will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.

Claims

1. A nanofiltration water treatment device, comprising a water treatment cartridge (1), two water inlet connecting pipes (3) and a nanofiltration connecting cartridge (5), characterized in that: Both ends of the water treatment cylinder (1) are provided with sealing cover plates (2), both sides of the inner cavity of the water treatment cylinder (1) are installed with ultrafiltration membrane plates (13), one side of the two ultrafiltration membrane plates (13) is installed with cellulose filter membranes (12), one side of the two cellulose filter membranes (12) is provided with a multi-porous connection seat (11), and the interiors of the two multi-porous connection seats (11) are embedded with ceramic filter columns (10), the bottom end of the nanofiltration connection cylinder (5) is provided with a snap-fit ​​connection seat (16), and the middle part of the top of the water treatment cylinder (1) is provided with a confluence connection hole (15), and the nanofiltration connection cylinder (5) is connected to the confluence connection hole (15) of the water treatment cylinder (1) through the snap-fit ​​connection seat (16) so that the nanofiltration connection cylinder (5) and the water treatment cylinder (1) are connected.

2. A nanofiltration water treatment device according to claim 1, characterized in that: One end of the two ceramic filter columns (10) is respectively connected to a corresponding water inlet connecting pipe (3), one end of the two water inlet connecting pipes (3) respectively passes through the sealing perforations of the corresponding sealing cover plates (2), and a quick connection joint (4) is provided at the end of the water inlet connecting pipe (3).

3. A nanofiltration water treatment device according to claim 1, characterized in that: The nanofiltration connection cylinder (5) is internally sealed with a perforated piston connecting plate (17), the top end of the perforated piston connecting plate (17) is provided with a nanofiltration screen connecting seat (18), and the interior of the nanofiltration screen connecting seat (18) is provided with a nanofiltration screen membrane (19).

4. A nanofiltration water treatment device according to claim 1, characterized in that: A one-way sealing valve seat (8) is provided in the middle of the front side of the water treatment cartridge (1), one end of the one-way sealing valve seat (8) extends into the interior of the water treatment cartridge (1) and is provided with an introduction needle (14), one end of the introduction needle (14) being in communication with the confluence connection hole (15).

5. A nanofiltration water treatment device according to claim 4, characterized in that: The other end of the one-way sealing valve seat (8) is mounted with a dosing mixing cylinder (7), and an opening at one end of the dosing mixing cylinder (7) is movably provided with a dosing sealing seat (9).

6. A nanofiltration water treatment device according to claim 1, characterized in that: A water discharge pipe (6) is provided at the top end of the nanofiltration connecting cylinder (5), and the water discharge pipe (6) is a soft rubber tube structure with a rubber head.

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