Filtering membrane structure

Abstract

The utility model discloses a filter membrane structure which comprises a filter membrane, a metal filter screen; a raw liquid cavity is formed in the shell, and a liquid inlet and a liquid outlet are formed in the raw liquid cavity; the filter cartridge can rotate around the central axis of the filter cartridge, the central axis of the filter cartridge is arranged in the vertical direction, a plurality of filter holes are formed in the side face of the filter cartridge, a filter membrane and a metal filter screen are sequentially wound on the peripheral face of the filter cartridge from inside to outside, and a plurality of needle-shaped protrusions are arranged on the peripheral face of the filter cartridge; the needle-shaped protrusions sequentially penetrate through the filter membrane and the metal filter screen, and the interior of the filter cartridge is communicated with the exterior of the shell. A mud-water mixture after aggregate washing enters the stock solution cavity through the liquid inlet, part of the mud-water mixture firstly flows into the filter cartridge and then flows out of the stock solution cavity under filtration of the filter membrane, and liquid flowing out of the stock solution cavity can be reused, so that waste of water resources is avoided.

Description

Technical Field

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

[0002] With the development of society and people's daily needs, more and more buildings stand in our lives. When building these high-rise buildings, no matter what construction method is used, most of them will use architectural concrete.

[0003] Sand and gravel aggregates are raw materials for making concrete. Sand and gravel aggregates are semi-finished products obtained by crushing, cleaning and screening rocks. Because there will be soil attached to the surface of the rock, the sand and gravel aggregates need to be cleaned before screening, otherwise it will affect the overall quality of the concrete and will affect the firmness of the building.

[0004] In the process of cleaning sand and gravel aggregates, most of the time, clean water is used for flushing. After flushing, a large amount of mud and water mixture will be produced. The mud and water mixture contains silt, solid particles and a large amount of water. If the mud and water mixture is discharged directly, it will cause a waste of water resources. Utility Model Content

[0005] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a filter membrane structure. The mud-water mixture after flushing the aggregate enters the raw liquid cavity through the liquid inlet. Part of the mud-water mixture first flows into the interior of the filter cylinder under the filtration of the filter membrane, and then flows out of the raw liquid cavity. The liquid flowing out of the raw liquid cavity can be reused, avoiding the waste of water resources.

[0006] In order to achieve the above object, the utility model provides a filtration membrane structure, comprising:

[0007] Filter membrane;

[0008] Metal filter;

[0009] A shell, wherein the interior of the shell is a raw liquid cavity, and the raw liquid cavity is provided with a liquid inlet and a liquid outlet;

[0010] A filter cartridge that can rotate around its own central axis, the central axis of the filter cartridge is arranged in the vertical direction, a plurality of filter holes are arranged on the side of the filter cartridge, the outer circumference of the filter cartridge is sequentially wound with the filter membrane and the metal filter mesh from the inside to the outside, and a plurality of needle-shaped protrusions are arranged on the outer circumference of the filter cartridge; the needle-shaped protrusions sequentially penetrate the filter membrane and the metal filter mesh, and the interior of the filter cartridge is connected with the outside of the shell.

[0011] Furthermore, the filtration membrane structure also includes:

[0012] A liquid inlet pipe, the liquid inlet pipe is connected to the liquid inlet port, and the liquid inlet pipe is provided with a first valve and a first water pump;

[0013] A liquid outlet pipe, the liquid outlet pipe is connected to the liquid outlet, and the liquid outlet pipe is provided with a second valve and a second water pump;

[0014] A circulation box, wherein a solid particle filter is provided inside the circulation box, the outer periphery of the solid particle filter is sealed and fixedly connected to the inner wall of the circulation box, and the liquid outlet end of the liquid outlet pipe is located inside the circulation box and above the solid particle filter;

[0015] A circulation pipe, wherein the liquid inlet end of the circulation pipe is located inside the circulation box and below the solid particle filter, the liquid outlet end of the circulation pipe is connected to the liquid inlet pipe, the circulation pipe is provided with a third valve and a third water pump, and the connection between the circulation pipe and the liquid inlet pipe is located between the liquid inlet and the first valve.

[0016] Furthermore, the bottom end of the filter cartridge is open, and a circular through hole is provided at the bottom of the shell, the central axis of the circular through hole coincides with the central axis of the filter cartridge, the diameter of the circular through hole is smaller than the diameter of the bottom opening of the filter cartridge, and a sealing ring is provided between the bottom of the filter cartridge and the bottom of the original liquid chamber, and the sealing ring is fixedly connected to the bottom of the original liquid chamber.

[0017] Furthermore, the filtration membrane structure also includes:

[0018] A collecting pipe, the collecting pipe is located below the shell and connected to the circular through hole;

[0019] A collecting box with an opening at the top; the opening of the collecting box is located below the collecting tube.

[0020] Furthermore, a liquid level sensor is provided in the original liquid cavity, and the first valve, the second valve, the third valve, the first water pump, the second water pump and the third water pump are electrically connected to the liquid level sensor respectively.

[0021] Furthermore, the filtration membrane structure also includes:

[0022] A rotating shaft, one end of which is fixedly connected to the top of the filter cartridge, the central axis of the rotating shaft coincides with the center axis of the filter cartridge, the rotating shaft passes through the top of the shell and is rotatably connected to the top of the shell;

[0023] A driving motor is fixedly mounted on the top outer side of the shell and is drivingly connected to the other end of the rotating shaft.

[0024] Furthermore, the top of the shell is detachably connected to the side of the shell.

[0025] Furthermore, the top and bottom of the outer peripheral surface of the filter cartridge are provided with the needle-shaped protrusions.

[0026] The beneficial effects of the utility model are:

[0027] The mud-water mixture after flushing the aggregate enters the raw liquid cavity through the liquid inlet. Part of the mud-water mixture first flows into the filter cylinder under the filtration of the filter membrane, and then flows out of the raw liquid cavity. The liquid flowing out of the raw liquid cavity can be reused, avoiding the waste of water resources;

[0028] The filter cartridge can rotate around its own central axis, which prevents sludge from adhering to the filter membrane to a certain extent and ensures the normal operation of the filtration.

[0029] The metal filter prevents the solid particles in the mud-water mixture from damaging the filter membrane;

[0030] The needle-shaped protrusions can quickly position the filter membrane and the metal filter screen, which not only facilitates the assembly of the filter cartridge, the filter membrane and the metal filter screen, but also allows the winding of filter membranes of different thicknesses according to actual conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0032] Figure 1 It is an overall schematic diagram of a filter membrane structure of the utility model;

[0033] Figure 2 for Figure 1 A partial enlarged view of the middle A;

[0034] Figure 3 for Figure 1 A partial enlarged view of point B in the middle.

[0035] In the figure, 1. filter membrane; 2. metal filter screen; 3. shell; 4. original liquid chamber; 5. liquid inlet; 6. liquid outlet; 7. filter cartridge; 8. needle-shaped protrusion; 9. liquid inlet pipe; 10. first valve; 11. first water pump; 12. liquid outlet pipe; 13. second valve; 14. second water pump; 15. circulation box; 16. solid particle filter screen; 17. circulation pipe; 18. third valve; 19. third water pump; 20. circular through hole; 21. sealing ring; 22. collecting pipe; 23. collecting box; 24. liquid level sensor; 25. rotating shaft; 26. driving motor. DETAILED DESCRIPTION

[0036] The following is combined with Figure 1 -Attached Figure 3 , the technical solutions in the embodiments of the present application are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present application.

[0037] It should be noted that all directional indications in the embodiments of the present application (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0038] In addition, the descriptions of "first", "second", etc. in this application are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0039] In this application, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" 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 a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0040] In addition, the technical solutions between the various embodiments of the present application can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0041] The utility model provides a filtering membrane structure.

[0042] A filter membrane structure comprises: a filter membrane 1; a metal filter mesh 2; a shell 3, wherein the interior of the shell 3 is a raw liquid chamber 4, and the raw liquid chamber 4 is provided with a liquid inlet 5 and a liquid outlet 6; a filter cartridge 7 which can rotate around its own central axis, wherein the central axis of the filter cartridge 7 is arranged in a vertical direction, and a plurality of filter holes are arranged on the side of the filter cartridge 7, and the outer peripheral surface of the filter cartridge 7 is sequentially wound with the filter membrane 1 and the metal filter mesh 2 from the inside to the outside, and a plurality of needle-shaped protrusions 8 are arranged on the outer peripheral surface of the filter cartridge 7; the needle-shaped protrusions 8 sequentially penetrate the filter membrane 1 and the metal filter mesh 2, and the interior of the filter cartridge 7 is connected with the outside of the shell 3.

[0043] In the technical solution proposed in the present application, the mud-water mixture after flushing the aggregate enters the raw liquid chamber 4 through the liquid inlet 5, and part of the mud-water mixture first flows into the interior of the filter cartridge 7 under the filtration of the filter membrane 1, and then flows out of the raw liquid chamber 4, and the liquid flowing out of the raw liquid chamber 4 can be reused, thereby avoiding the waste of water resources; the filter cartridge 7 can rotate around its own central axis, thereby preventing the silt from adhering to the filter membrane 1 to a certain extent, and ensuring the normal filtering work; the metal filter mesh 2 prevents the solid particles in the mud-water mixture from damaging the filter membrane 1; the needle-shaped protrusion 8 can quickly position the filter membrane 1 and the metal filter mesh 2, which not only facilitates the assembly of the filter cartridge 7, the filter membrane 1 and the metal filter mesh 2, but also allows the filter membrane 1 of different thicknesses to be wound according to actual conditions.

[0044] The filter membrane structure also includes: a liquid inlet pipe 9, which is connected to the liquid inlet 5 and is provided with a first valve 10 and a first water pump 11; a liquid outlet pipe 12, which is connected to the liquid outlet 6 and is provided with a second valve 13 and a second water pump 14; a circulation box 15, in which a solid particle filter screen 16 is provided, and the outer periphery of the solid particle filter screen 16 is sealed and fixedly connected to the inner wall of the circulation box 15, and the liquid outlet end of the liquid outlet pipe 12 is located in the circulation box 15 and above the solid particle filter screen 16; a circulation pipe 17, in which the liquid inlet end of the circulation pipe 17 is located in the circulation box 15 and below the solid particle filter screen 16, the liquid outlet end of the circulation pipe 17 is connected to the liquid inlet pipe 9, the circulation pipe 17 is provided with a third valve 18 and a third water pump 19, and the connection between the circulation pipe 17 and the liquid inlet pipe 9 is located between the liquid inlet 5 and the first valve 10.

[0045] The unfiltered mud-water mixture flows into the circulation box 15 through the liquid outlet pipe 12. When the liquid in the circulation box 15 reaches a certain height, the first valve 10 is closed, and the third valve 18 and the third water pump 19 are opened to start circulating filtration until the liquid in the circulation box 15 reaches a low liquid level. During this process, the solid particle filter 16 can filter out the solid particles in the mud-water mixture.

[0046] The bottom end of the filter cartridge 7 is open, and a circular through hole 20 is provided at the bottom of the shell 3. The central axis of the circular through hole 20 coincides with the central axis of the filter cartridge 7. The diameter of the circular through hole 20 is smaller than the diameter of the bottom opening of the filter cartridge 7. A sealing ring 21 is provided between the bottom of the filter cartridge 7 and the bottom of the raw liquid chamber 4. The sealing ring 21 is fixedly connected to the bottom of the raw liquid chamber 4.

[0047] The filter membrane structure further includes: a collecting tube 22 , which is located below the housing 3 and connected to the circular through hole 20 ; a collecting box 23 with an opening at the top; and an opening of the collecting box 23 is located below the collecting tube 22 .

[0048] The water filtered by the filter membrane 1 flows into the collection box 23 through the collection pipe 22 .

[0049] A liquid level sensor 24 is provided in the original liquid chamber 4 , and the first valve 10 , the second valve 13 , the third valve 18 , the first water pump 11 , the second water pump 14 and the third water pump 19 are electrically connected to the liquid level sensor 24 , respectively.

[0050] The filter membrane structure also includes: a rotating shaft 25, one end of which is fixedly connected to the top of the filter cartridge 7, the central axis of the rotating shaft 25 coincides with the center axis of the filter cartridge 7, the rotating shaft 25 passes through the top of the shell 3, and is rotatably connected to the top of the shell 3; a driving motor 26, which is fixedly installed on the top outer side of the shell 3 and is drivingly connected to the other end of the rotating shaft 25.

[0051] The top of the housing 3 is detachably connected to the side of the housing 3. In a specific embodiment, the top of the housing 3 and the side of the housing 3 are connected by threaded connection. When the filter membrane 1 needs to be replaced, the top of the housing 3 is disassembled, the metal filter mesh 2 and the filter membrane 1 are removed, and a new filter membrane 1 is rewound, which is quick and efficient.

[0052] The top and bottom of the outer peripheral surface of the filter cartridge 7 are both provided with needle-shaped protrusions 8. This structure can better fix the filter membrane 1 and the metal filter screen 2.

[0053] The above description is only a preferred embodiment of the present application, and does not limit the patent scope of the present application. All equivalent structural changes made by using the contents of the present application specification and drawings under the inventive concept of the present application, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present application.

Claims

1. A filtration membrane structure, characterized in that: include: Filter membrane; Metal filter; A shell, wherein the interior of the shell is a raw liquid cavity, and the raw liquid cavity is provided with a liquid inlet and a liquid outlet; A filter cartridge that can rotate around its own central axis, the central axis of the filter cartridge is arranged in the vertical direction, a plurality of filter holes are arranged on the side of the filter cartridge, the outer circumference of the filter cartridge is sequentially wound with the filter membrane and the metal filter mesh from the inside to the outside, and a plurality of needle-shaped protrusions are arranged on the outer circumference of the filter cartridge; the needle-shaped protrusions sequentially penetrate the filter membrane and the metal filter mesh, and the interior of the filter cartridge is connected with the outside of the shell.

2. The filtration membrane structure according to claim 1, characterized in that: The filtration membrane structure also includes: A liquid inlet pipe, the liquid inlet pipe is connected to the liquid inlet port, and the liquid inlet pipe is provided with a first valve and a first water pump; A liquid outlet pipe, the liquid outlet pipe is connected to the liquid outlet, and the liquid outlet pipe is provided with a second valve and a second water pump; A circulation box, wherein a solid particle filter is provided inside the circulation box, the outer periphery of the solid particle filter is sealed and fixedly connected to the inner wall of the circulation box, and the liquid outlet end of the liquid outlet pipe is located inside the circulation box and above the solid particle filter; A circulation pipe, wherein the liquid inlet end of the circulation pipe is located inside the circulation box and below the solid particle filter, the liquid outlet end of the circulation pipe is connected to the liquid inlet pipe, the circulation pipe is provided with a third valve and a third water pump, and the connection between the circulation pipe and the liquid inlet pipe is located between the liquid inlet and the first valve.

3. The filtration membrane structure according to claim 2, characterized in that: The bottom end of the filter cartridge is open, and a circular through hole is provided at the bottom of the shell. The central axis of the circular through hole coincides with the central axis of the filter cartridge. The diameter of the circular through hole is smaller than the diameter of the bottom opening of the filter cartridge. A sealing ring is provided between the bottom of the filter cartridge and the bottom of the raw liquid chamber, and the sealing ring is fixedly connected to the bottom of the raw liquid chamber.

4. The filtration membrane structure according to claim 3, characterized in that: The filtration membrane structure also includes: A collecting pipe, the collecting pipe is located below the shell and connected to the circular through hole; A collecting box with an opening at the top; the opening of the collecting box is located below the collecting tube.

5. The filtration membrane structure according to claim 2, characterized in that: A liquid level sensor is provided in the original liquid cavity, and the first valve, the second valve, the third valve, the first water pump, the second water pump and the third water pump are electrically connected to the liquid level sensor respectively.

6. The filtration membrane structure according to claim 1, characterized in that: The filtration membrane structure also includes: A rotating shaft, one end of which is fixedly connected to the top of the filter cartridge, the central axis of the rotating shaft coincides with the center axis of the filter cartridge, the rotating shaft passes through the top of the shell and is rotatably connected to the top of the shell; A driving motor is fixedly mounted on the top outer side of the shell and is drivingly connected to the other end of the rotating shaft.

7. The filtration membrane structure according to claim 6, characterized in that: The top of the shell is detachably connected to the side of the shell.

8. The filtration membrane structure according to claim 1, characterized in that: The top and the bottom of the outer peripheral surface of the filter cartridge are both provided with the needle-shaped protrusions.

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