A modular hollow fiber membrane module

Abstract

This utility model discloses a modular hollow fiber membrane assembly, including a second cylinder and a first cylinder. The second and first cylinders are equipped with pipes that pass through them. A conduit is fixed to the top of the second cylinder and communicates with the internal space of the second cylinder. Multiple third holes are provided around the pipes. A hollow fiber membrane structure located inside the second and first cylinders is provided on the outside of the pipes. This assembly forms a water absorption path through the pipes, third holes, second holes, inner cavity, hollow fiber membrane, first hole, annular inner cavity, and conduit. Water flowing from the third holes can be injected into the corresponding hollow fiber membranes and inner cavities, achieving precise processing and avoiding uneven processing. This allows the hollow fiber membranes at multiple locations to block the target object in the pipes. Clean water collects in the annular inner cavity and is then discharged through the conduit.

Description

Technical Field

[0001] This utility model relates to the field of hollow fiber membrane module technology, specifically a modular hollow fiber membrane module. Background Technology

[0002] Existing hollow fiber membrane filtration devices mostly employ an integral shell and one-time encapsulation structure for the membrane fibers. During operation, these structures suffer from the following shortcomings: After the feed solution enters the membrane module through a single inlet, the velocity and pressure distribution within the flow field of each membrane fiber is often uneven, leading to premature clogging of some fibers and underutilization of others, making it difficult to guarantee separation efficiency and treatment uniformity. Furthermore, when membrane fibers become contaminated or damaged and need replacement, the entire device must be disassembled, the encapsulation ends cut off, and the entire bundle of membrane fibers removed. Therefore, there is an urgent need for a modular hollow fiber membrane module that can achieve uniform filtration across multiple membrane fibers, allows for rapid membrane unit replacement, and possesses reliable sealing, in order to solve the problems of uneven treatment and difficult maintenance inherent in existing technologies. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a modular hollow fiber membrane module that can solve the problems in the prior art.

[0004] This utility model is achieved through the following technical solution: A modular hollow fiber membrane assembly of this utility model includes a second cylinder and a first cylinder, characterized in that a pipe is provided inside the second cylinder and the first cylinder, the pipe passes through the second cylinder and the first cylinder, a conduit is fixed at the top of the second cylinder, the conduit communicates with the internal space of the second cylinder, a plurality of third holes are provided around the pipe, and a hollow fiber membrane structure located inside the second cylinder and the first cylinder is provided on the outside of the pipe.

[0005] A further technical solution is provided where a first internal threaded cap is threadedly connected to one side of the second cylinder, and a second internal threaded cap is threadedly connected to one side of the first cylinder. A first sealing ring is provided between the first internal threaded cap and the second cylinder, and between the second internal threaded cap and the first cylinder. A first connecting cylinder is fixed to one side of the first internal threaded cap, and the pipe passes through the first connecting cylinder. A second connecting cylinder is fixed to one side of the second internal threaded cap, and the pipe passes through the second connecting cylinder.

[0006] In a further technical solution, a second sealing ring is fixed inside the first connecting cylinder and the second connecting cylinder, and the second sealing ring seals the pipe with the first connecting cylinder and the second connecting cylinder.

[0007] A further technical solution is provided, in which the hollow fiber membrane structure includes four separate shells. The shells are connected and fixed to each other by a first snap-fit ​​assembly to form a cylindrical part. A second snap-fit ​​assembly is provided between the pipe and the shell to fix the pipe to the shell. A retaining ring is fixed on the outer surface of the shell on both the left and right sides. The retaining ring and the second cylinder form an annular cavity. A first hole is provided inside the shell, which communicates with the annular cavity. The conduit communicates with the annular cavity.

[0008] In a further technical solution, the housing has a through-cavity, and multiple hollow fiber membranes are stacked inside the cavity. The cavity is connected to the first hole, and the cavity also has multiple second holes, which are connected to the third hole.

[0009] A further technical solution is that the split-type shell has a quarter-cylindrical structure and the inner cavity has a fan-shaped shape.

[0010] A further technical solution includes a first T-shaped block fixedly disposed on one side of the right-angled edge of the housing, and a first T-shaped groove disposed on the other side of the right-angled edge of the housing. The housings are connected and fixed to each other by the first T-shaped block being inserted into the first T-shaped groove to form a complete cylindrical structure.

[0011] A further technical solution is that the second snap-fit ​​assembly includes a plurality of second T-shaped blocks fixed to the outer surface of the pipe, and the shell has second T-shaped grooves on both sides of its edge, the second T-shaped grooves snap-fitting and fixing the second T-shaped blocks.

[0012] The beneficial effects of this utility model are as follows: First, the component forms a water absorption channel through the pipe, the third hole, the second hole, the inner cavity, the hollow fiber membrane, the first hole, the annular inner cavity, and the conduit. The water flowing out from the third hole can be injected into the corresponding hollow fiber membrane and the inner cavity, achieving precise processing and avoiding uneven processing. This allows the hollow fiber membranes at multiple locations to block the target object in the pipe. The clean water collects in the annular inner cavity and is then discharged from the conduit.

[0013] 2. When the housing is set in a split configuration, the housing can be separated from the pipe by the first snap-fit ​​assembly and the second snap-fit ​​assembly, which facilitates the timely and quick replacement of the new housing, hollow fiber membrane and inner cavity by personnel.

[0014] Third, the first internal threaded cap seals one side of the second cylinder, and the second internal threaded cap seals one side of the first cylinder, which can prevent water leakage and allow the water to flow along the correct path to achieve the separation effect. Attached Figure Description

[0015] For ease of explanation, the present invention will be described in detail below with reference to specific embodiments and accompanying drawings.

[0016] Figure 1 This is a schematic diagram of the overall structure of a modular hollow fiber membrane module according to the present invention;

[0017] Figure 2 for Figure 1 Internal structure diagram of the component;

[0018] Figure 3 for Figure 2 A schematic diagram at point A in the middle;

[0019] Figure 4 for Figure 2 A schematic diagram at point B in the middle;

[0020] Figure 5 for Figure 1 Structural diagrams of each component in the intermediate module;

[0021] Figure 6 for Figure 5 A schematic diagram at point C in the middle;

[0022] Figure 7 for Figure 6 A schematic diagram at point D in the middle;

[0023] Figure 8 for Figure 5 Schematic diagram of the structure after the central pipeline is exported;

[0024] Figure 9 for Figure 8 A schematic diagram at point E in the middle;

[0025] Figure 10 for Figure 8 A schematic diagram showing that the four shells are integrated into one structure;

[0026] In the figure, there are: conduit 11, first connecting sleeve 12, pipe 13, first internal thread cap 14, first sealing ring 15, second cylinder 16, second internal thread cap 17, second connecting sleeve 18, first cylinder 19, hollow fiber membrane 21, second hole 23, third hole 24, second sealing ring 25, shell 31, first hole 32, retaining ring 33, inner cavity 42, first T-block 43, first T-groove 44, second T-groove 45, and second T-block 46. Detailed Implementation

[0027] like Figures 1-10 As shown, this utility model will be described in detail. For ease of description, the directions mentioned below are defined as follows: the directions of up, down, left, right, front, and back mentioned below are the same as... Figure 1The modular hollow fiber membrane assembly of this utility model has the same vertical, horizontal, front and back projection relationship. It includes a second cylinder 16 and a first cylinder 19, which form an integral structure. The second cylinder 16 and the first cylinder 19 are provided with a pipe 13, which passes through the second cylinder 16 and the first cylinder 19. A conduit 11 is fixed at the top of the second cylinder 16 and communicates with the internal space of the second cylinder 16. Multiple third holes 24 are provided around the pipe 13. A hollow fiber membrane structure located inside the second cylinder 16 and the first cylinder 19 is provided on the outside of the pipe 13.

[0028] Advantageously, a first internal threaded cover 14 is threadedly connected to one side of the second cylinder 16, and a second internal threaded cover 17 is threadedly connected to one side of the first cylinder 19. A first sealing ring 15 is provided between the first internal threaded cover 14 and the second cylinder 16, and between the second internal threaded cover 17 and the first cylinder 19. A first connecting cylinder 12 is fixed to one side of the first internal threaded cover 14, and a pipe 13 passes through the first connecting cylinder 12. A second connecting cylinder 18 is fixed to one side of the second internal threaded cover 17, and a pipe 13 passes through the second connecting cylinder 18.

[0029] Advantageously, a second sealing ring 25 is fixed inside the first connecting cylinder 12 and the second connecting cylinder 18, and the second sealing ring 25 seals the pipe 13 with the first connecting cylinder 12 and the second connecting cylinder 18.

[0030] Example 1

[0031] Advantageously, the hollow fiber membrane structure includes four separate shells 31, which are connected and fixed to each other by a first snap-fit ​​assembly to form a cylindrical part. A second snap-fit ​​assembly is provided between the pipe 13 and the shell 31 to fix the pipe 13 and the shell 31. A left and right retaining ring 33 is fixedly provided on the outer surface of the shell 31. The retaining ring 33 and the second cylinder 16 form an annular cavity. A first hole 32 is provided in the shell 31, which communicates with the annular cavity. The conduit 11 communicates with the annular cavity. A through inner cavity 42 is provided in the shell 31, and multiple hollow fiber membranes 21 are stacked in the inner cavity 42. The inner cavity 42 is connected to the first hole 32. Multiple second holes 23 are also provided in the inner cavity 42, which communicate with the third hole 24.

[0032] Advantageously, the split shell 31 has a quarter-cylindrical structure and the inner cavity 42 has a fan shape.

[0033] Advantageously, the first snap-fit ​​assembly includes a first T-shaped block 43 fixedly disposed on one side of the right-angled edge of the housing 31, and a first T-shaped groove 44 disposed on the other side of the right-angled edge of the housing 31. The housings 31 are connected and fixed to each other by inserting the first T-shaped block 43 into the first T-shaped groove 44 to form a complete cylindrical structure.

[0034] Advantageously, the second snap-fit ​​assembly includes a plurality of second T-shaped blocks 46 fixed to the outer surface of the pipe 13, and second T-shaped grooves 45 are provided on both sides of the edge of the housing 31. When the housing 31 is spliced ​​to form a cylindrical structure, the second T-shaped grooves 45 snap-fit ​​and fix the second T-shaped blocks 46.

[0035] Example 2

[0036] Advantageously, the hollow fiber membrane structure includes an integral shell 31, a pipe 13 fixedly connected to the shell 31, a left and a right retaining ring 33 fixedly provided on the outer surface of the shell 31, the retaining ring 33 and the second cylinder 16 forming an annular cavity, a plurality of first holes 32 provided inside the shell 31, the first holes 32 communicating with the annular cavity, the conduit 11 communicating with the annular cavity, a plurality of left and right through inner cavities 42 provided inside the shell 31, a plurality of hollow fiber membranes 21 stacked inside the inner cavity 42, the inner cavity 42 communicating with the first holes 32, a plurality of second holes 23 provided inside the inner cavity 42, the second holes 23 communicating with the third holes 24.

[0037] Beneficially, the inner cavity 42 is fan-shaped.

[0038] When the component is in use, the conduit 11 connects to the water absorption end of the external space to draw water from the component; sewage is introduced from one end of the pipe 13 near the second connecting cylinder 18. After the water molecules are absorbed, they enter the inner cavity 42 along the third hole 24 and the second hole 23, and after passing through the hollow fiber membrane 21, they enter the annular inner cavity formed by the baffle ring 33 and the second cylinder 16 through the first hole 32, and are discharged to the external space from the conduit 11. The concentrated water remaining in the pipe 13 flows out from the end of the pipe 13 near the first connecting cylinder 12.

[0039] The raw liquid flows in through the pipe, enters the inner cavity through the third and second holes, is filtered through the hollow fiber membrane, and then enters the annular cavity through the first hole, and is finally discharged from the conduit.

[0040] When disassembling the component, the first internal threaded cover 14 is disconnected from the second cylinder 16, leaving the left side of the second cylinder 16 open. Then, the second internal threaded cover 17 is disconnected from the first cylinder 19, leaving the right side of the first cylinder 19 open. The housing 31 and the pipe 13 are then led out to the left from the second cylinder 16 and the first cylinder 19.

[0041] When the housing 31 is set in a split configuration, a single housing 31 can be slidably separated from the adjacent housing 31 by the first T-shaped block 43 and the first T-shaped groove 44, and the pipe 13 can be slidably separated from the housing 31 by the second T-shaped groove 45 and the second T-shaped block 46, so as to facilitate the replacement of the single housing 31, the inner cavity 42 and the hollow fiber membrane 21 unit.

[0042] When the housing 31 is integrated, the hollow fiber membrane 21 in the inner cavity 42 needs to be exported, and then a new hollow fiber membrane 21 is filled into the inner cavity 42.

[0043] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions conceived without creative effort should be included within the protection scope of this utility model; therefore, the protection scope of this utility model should be determined by the scope defined in the claims.

Claims

1. A modular hollow fiber membrane module comprising a second cartridge (16) and a first cartridge (19), characterized in that, The second cylinder (16) and the first cylinder (19) are provided with pipes (13), which pass through the second cylinder (16) and the first cylinder (19). A conduit (11) is fixed at the top of the second cylinder (16), and the conduit (11) communicates with the internal space of the second cylinder (16). The pipe (13) is provided with a plurality of third holes (24) around its perimeter. A hollow fiber membrane structure located inside the second cylinder (16) and the first cylinder (19) is provided on the outside of the pipe (13). The hollow fiber membrane structure includes four separate shells (31). The two parts are connected and fixed together by a first snap-fit ​​assembly to form a cylindrical part. The outer surface of the housing (31) is fixed with a left and a right retaining ring (33). The retaining ring (33) and the second cylinder (16) form an annular cavity. The housing (31) is provided with a first hole (32) which communicates with the annular cavity. The conduit (11) communicates with the annular cavity. The housing (31) is provided with a left and right through inner cavity (42). The inner cavity (42) is also provided with a plurality of second holes (23). The second holes (23) communicate with the third hole (24).

2. A modular hollow fibre membrane module according to claim 1, characterised in that: The second cylinder (16) is threadedly connected to a first internal threaded cap (14) on one side, and the first cylinder (19) is threadedly connected to a second internal threaded cap (17) on one side. A first sealing ring (15) is provided between the first internal threaded cap (14) and the second cylinder (16) and between the second internal threaded cap (17) and the first cylinder (19). A first connecting cylinder (12) is fixed to one side of the first internal threaded cap (14), and the pipe (13) passes through the first connecting cylinder (12). A second connecting cylinder (18) is fixed to one side of the second internal threaded cap (17), and the pipe (13) passes through the second connecting cylinder (18).

3. A modular hollow fiber membrane module according to claim 2, characterized in that: A second sealing ring (25) is fixed inside the first connecting cylinder (12) and the second connecting cylinder (18), and the second sealing ring (25) seals the pipe (13) with the first connecting cylinder (12) and the second connecting cylinder (18).

4. The modular hollow fiber membrane module of claim 1, wherein: A second snap-fit ​​assembly is provided between the pipe (13) and the housing (31) to fix the pipe (13) and the housing (31) in place.

5. A modular hollow fibre membrane module according to claim 4, characterised in that: Multiple hollow fiber membranes (21) are stacked inside the inner cavity (42), and the inner cavity (42) is connected to the first hole (32).

6. A modular hollow fibre membrane module according to claim 5, characterised in that: The first snap-fit ​​assembly includes a first T-shaped block (43) fixedly disposed on one side of the right-angled edge of the housing (31), and a first T-shaped groove (44) disposed on the other side of the right-angled edge of the housing (31). The housings (31) are connected and fixed to each other by the first T-shaped block (43) inserted into the first T-shaped groove (44) to form a complete cylindrical structure.

7. A modular hollow fibre membrane module according to claim 6, characterised in that: The second clamping assembly comprises a plurality of second T-shaped blocks (46) fixed to the outer surface of the pipeline (13), and the edge of the shell (31) is provided with a second T-shaped groove (45) on both sides, and the second T-shaped groove (45) clamps and fixes the second T-shaped block (46).

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