Hollow fiber membrane spinning device

Abstract

The utility model discloses a hollow fiber membrane spinning device which comprises a spinneret plate and a spinning nozzle, a core liquid guide plate is arranged on the side of the spinneret plate, a feeding plate is fixedly connected to the side wall of the core liquid guide plate, a plurality of sets of circular grooves are formed in the spinneret plate, and an installation shell is fixedly embedded in the side wall, facing the core liquid guide plate, of the spinneret plate. A plurality of groups of mounting shells are uniformly arranged at intervals, mounting grooves are formed in the middles of the mounting shells, spinning nozzles are movably mounted in the mounting grooves, and the side walls of the spinning nozzles movably extend outwards through circular grooves, and anti-skid pads are arranged, so that the friction force between clamping plates and the spinning nozzles can be increased, and clamping of the clamping plates is more stable; the spinning nozzle clamping device is simple in structure, convenient to operate, high in universality, high in economic benefit and high in spinning efficiency, the clamping plates are convenient to move through the springs, the spinning nozzle can be clamped more conveniently and rapidly, and the spinning nozzle clamping device is simple in structure, convenient and rapid to operate, high in universality, high in economic benefit and high in spinning efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of hollow fiber membranes, in particular to a hollow fiber membrane spinning device. Background Art

[0002] Hollow fiber membrane is the core component of equipment in the fields of water treatment, hemodialysis, seawater desalination, gas separation, liquid separation, etc. It is an important new material used in reverse osmosis membranes, microfiltration membranes, nanofiltration membranes and ultrafiltration membranes. How to produce high-performance hollow fiber membranes and improve production efficiency and reduce production costs has become one of the hottest and most critical issues in the field of hollow fiber membrane research. The production and molding process of hollow fiber membranes is to inject the spinning liquid and core liquid into the spinneret from different positions of the spinneret base, and through the special structure inside the spinneret, the hollow fiber filaments, commonly known as membrane fibers, are sprayed out from the spinneret cover.

[0003] In this regard, a Chinese utility model patent with authorization announcement number CN206157283U discloses a novel porous hollow fiber membrane spinning device, comprising a feed plate, a core liquid guide plate, a spinneret and an independent spinneret; wherein, the feed plate is arranged on the upper end surface of the core liquid guide plate, the spinneret is arranged on the lower end surface of the core liquid guide plate, and a plurality of independent spinnerets are detachably arranged in the spinneret assembly hole of the spinneret plate. The number of independent spinnerets in the utility model is multiple, forming a porous combination type with a simple structure and a simple manufacturing process. During the spinning production process, the flow of the core liquid and the feed liquid is more uniform, the membrane fiber thickness is uniform, and the consistency is good.

[0004] From the perspective of the entire production process of hollow fiber membrane manufacturing, it is necessary to obtain hollow fiber membrane fibers of suitable size, excellent appearance and performance. High-quality spinneret design is the primary task. Most of this type of spinnerets have complex structures, repeated disassembly and assembly take a long time and reduce assembly accuracy. Cleaning and maintenance are inconvenient, which affects product quality and wastes a lot of machine adjustment and maintenance time. For this reason, we propose a hollow fiber membrane spinneret to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a hollow fiber membrane spinning device to solve the problems raised in the above background technology.

[0006] A hollow fiber membrane spinning device comprises a spinneret and a spinneret, a core liquid guide plate is arranged on the side of the spinneret, a feed plate is fixedly connected to the side wall of the core liquid guide plate, a plurality of groups of circular grooves are arranged on the spinneret, a mounting shell is fixedly embedded in one side wall of the spinneret facing the core liquid guide plate, a plurality of groups of mounting shells are evenly arranged at intervals, a mounting groove is arranged in the middle of the mounting shell, a spinneret is movably installed in the mounting groove, and the side wall of the spinneret movably extends outward through the circular groove;

[0007] A limit assembly is arranged in the installation shell, and two groups of limit assemblies are symmetrically arranged. The limit assembly contains a movable groove, a slide plate, a support rod, a splint and a spring. A movable groove is opened on the inner wall of the installation shell, and a slide plate is arranged in the movable groove. One side wall of the slide plate is fixedly connected with the support rod, and two groups of support rods are symmetrically arranged. The side wall of the support rod is fixedly connected with a splint, and the side wall of the splint is fixedly connected with an anti-skid pad. The side wall of the anti-skid pad is movably abutted against the side wall of the spinneret, and the other side wall of the slide plate is fixedly connected with multiple groups of springs, and the other side wall of the spring is fixedly connected to the inner wall of the movable groove.

[0008] Preferably, the inner side wall of the movable groove is symmetrically provided with sliding grooves, and both side walls of the slide plate are fixedly connected with sliding blocks, and the side ends of the sliding blocks are movably engaged in the sliding grooves.

[0009] Preferably, a spinneret side wall is provided with a spinneret forming hole, and a core liquid tube is fixedly inserted in the spinneret forming hole.

[0010] Preferably, the other side wall of the spinneret is fixedly connected with a guide tube, the side wall of the spinneret is provided with sealing grooves, and two groups of sealing grooves are symmetrically arranged with respect to the guide tube.

[0011] Preferably, the side wall of the core liquid guide plate is fixedly connected with a mounting plate, and the side wall of the mounting plate is mounted on the spinneret.

[0012] Preferably, a feed liquid inlet is provided in the middle of the feed plate, and a core liquid inlet is provided in the top of the core liquid guide plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model provides a limited position component to facilitate fixing the position of the spinneret, and can more conveniently disassemble and assemble the spinneret, and can disassemble the spinneret individually without disassembling the entire body, so it is more practical; a spring is provided to push the slide plate to move, and the slide plate pushes the support rod to move toward the spinneret, so that the side wall of the clamping plate abuts against the outer wall of the spinneret; an anti-skid pad is provided to increase the friction between the clamping plate and the spinneret, so that the clamping of the clamping plate is more stable; a sliding block is provided to cooperate with the slide groove to make the movement stability of the slide plate stronger; a spring is provided to facilitate the movement of the clamping plate, so that the spinneret can be clamped more conveniently, and the spinneret can be disassembled and assembled more conveniently; the device has a simple structure, is easy to operate, has strong universality, high economic benefits, and high spinning efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the flat structure of the drainage plate in the utility model;

[0017] Figure 3This is a schematic diagram of the back flat structure of the drainage plate in the utility model;

[0018] Figure 4 This is a schematic diagram of the internal structure of the installation shell in the utility model;

[0019] Figure 5 It is a schematic diagram of the outer wall structure of the feed plate in the utility model.

[0020] In the figure: 1. spinneret; 101. liquid inlet; 102. circular groove; 2. core liquid guide plate; 201. core liquid inlet; 202. mounting plate; 3. feed plate; 4. spinneret; 401. spinneret forming hole; 402. core liquid tube; 403. guide tube; 404. sealing groove; 5. mounting shell; 501. mounting groove; 6. limit assembly; 61. movable groove; 62. slide groove; 63. slide plate; 64. slide block; 65. support rod; 66. splint; 67. anti-slip pad; 68. spring. DETAILED DESCRIPTION

[0021] 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.

[0022] Embodiment 1:

[0023] See also Figure 1-2 The utility model provides a technical solution: a hollow fiber membrane spinning device, including a spinneret 1 and a spinneret 4, a core liquid guide plate 2 is arranged on the side of the spinneret 1, a feed plate 3 is fixedly connected to the side wall of the core liquid guide plate 2, a plurality of groups of circular grooves 102 are provided on the spinneret 1, a mounting shell 5 is fixedly embedded in one side wall of the spinneret 1 facing the core liquid guide plate 2, a plurality of groups of mounting shells 5 are evenly arranged at intervals, a mounting groove 501 is provided in the middle of the mounting shell 5, a spinneret 4 is movably installed in the mounting groove 501, and the side wall of the spinneret 4 movably extends outward through the circular groove 102;

[0024] It should be noted that a limit assembly 6 is provided in the mounting shell 5, and the limit assembly 6 is symmetrically provided with two groups. The limit assembly 6 contains a movable groove 61, a slide plate 63, a support rod 65, a clamping plate 66 and a spring 68. The inner wall of the mounting shell 5 is provided with a movable groove 61, and a slide plate 63 is provided in the movable groove 61. A side wall of the slide plate 63 is fixedly connected to a support rod 65. The support rod 65 is symmetrically provided with two groups. The side wall of the support rod 65 is fixedly connected to a clamping plate 66, and the side wall of the clamping plate 66 is fixedly connected to an anti-slip pad 67. The side wall of the sliding pad 67 is movably in contact with the side wall of the spinneret 4, and the other side wall of the sliding plate 63 is fixedly connected to multiple groups of springs 68, and the other side wall of the spring 68 is fixedly connected to the inner wall of the movable groove 61. By providing the spring 68, the spring 68 pushes the sliding plate 63 to move, and the sliding plate 63 pushes the supporting rod 65 to move toward the spinneret 4, so that the side wall of the clamping plate 66 is in contact with the outer wall of the spinneret 4. By providing the anti-slip pad 67, the friction between the clamping plate 66 and the spinneret 4 can be increased, so that the clamping of the clamping plate 66 is more stable.

[0025] Embodiment 2:

[0026] See also Figures 3 to 5 , which is the second embodiment of the utility model, and this embodiment is based on the previous embodiment;

[0027] Specifically, the side wall of the core liquid guide plate 2 is fixedly connected with a mounting plate 202 , and the side wall of the mounting plate 202 is mounted on the spinneret 1 .

[0028] It should be noted that a feed liquid inlet 101 is opened in the middle of the feed plate 3 , and a core liquid inlet 201 is opened in the top of the core liquid guide plate 2 .

[0029] It should be noted that a spinneret forming hole 401 is provided on one side wall of the spinneret 4 , and a core liquid tube 402 is fixedly inserted into the spinneret forming hole 401 .

[0030] In addition, a flow guide tube 403 is fixedly connected to the other side wall of the spinneret 4 , a sealing groove 404 is opened on the side wall of the spinneret 4 , and two groups of sealing grooves 404 are symmetrically arranged about the flow guide tube 403 .

[0031] Specifically, the inner wall of the movable groove 61 is symmetrically provided with sliding grooves 62, and the two side walls of the slide plate 63 are fixedly connected with sliders 64, and the side ends of the sliders 64 are movably engaged in the sliding grooves 62. By providing the sliders 64 for use with the sliding grooves 62, the movement stability of the slide plate 63 is enhanced.

[0032] See also Figures 1 to 5 , which is the third embodiment of the utility model, and this embodiment is based on the above two embodiments;

[0033] The spring 68 is provided to facilitate the movement of the clamping plate 66, so that the spinneret 4 can be clamped more conveniently, and the spinneret 4 can be disassembled and assembled separately without disassembling the whole. The utility model is more practical. By providing a spring 68, the spring 68 pushes the slide plate 63 to move, and the slide plate 63 pushes the support rod 65 to move toward the spinneret 4, so that the side wall of the clamping plate 66 abuts against the outer wall of the spinneret 4. By providing an anti-skid pad 67, the friction between the clamping plate 66 and the spinneret 4 can be increased, so that the clamping of the clamping plate 66 is more stable. By providing a slider 64 for use in conjunction with the slide groove 62, the movement stability of the slide plate 63 is stronger. By providing a spring 68 to facilitate the movement of the clamping plate 66, the spinneret 4 can be clamped more conveniently, and the spinneret 4 can be disassembled and assembled more conveniently. The device has a simple structure, is easy to operate, has strong universality, high economic benefit, and high spinning efficiency.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hollow fiber membrane spinning device, comprising a spinneret (1) and a spinneret (4), characterized in that: A core liquid guide plate (2) is arranged on the side of the spinneret (1), a feed plate (3) is fixedly connected to the side wall of the core liquid guide plate (2), a plurality of groups of circular grooves (102) are provided on the spinneret (1), a mounting shell (5) is fixedly embedded in a side wall of the spinneret (1) facing the core liquid guide plate (2), a plurality of groups of mounting shells (5) are evenly arranged at intervals, a mounting groove (501) is arranged in the middle of the mounting shell (5), a spinneret (4) is movably installed in the mounting groove (501), and the side wall of the spinneret (4) movably extends outward through the circular groove (102); A limit assembly (6) is arranged in the mounting shell (5), and the limit assembly (6) is symmetrically arranged in two groups. The limit assembly (6) contains a movable groove (61), a slide plate (63), a support rod (65), a clamping plate (66) and a spring (68). The inner wall of the mounting shell (5) is provided with a movable groove (61), and a slide plate (63) is arranged in the movable groove (61). One side wall of the slide plate (63) is fixedly connected to the support rod (65). The support rod (65) is symmetrically arranged in two groups. The side wall of the support rod (65) is fixedly connected to the clamping plate (66), and the side wall of the clamping plate (66) is fixedly connected to the anti-skid pad (67). The side wall of the anti-skid pad (67) is movably abutted against the side wall of the spinneret (4). The other side wall of the slide plate (63) is fixedly connected to multiple groups of springs (68), and the other side wall of the spring (68) is fixedly connected to the inner wall of the movable groove (61).

2. A hollow fiber membrane spinning device according to claim 1, characterized in that: The side wall of the core liquid guide plate (2) is fixedly connected to a mounting plate (202), and the side wall of the mounting plate (202) is mounted on the spinneret (1).

3. A hollow fiber membrane spinning device according to claim 1, characterized in that: A liquid feed inlet (101) is provided in the middle of the feed plate (3), and a core liquid inlet (201) is provided in the top of the core liquid guide plate (2).

4. A hollow fiber membrane spinning device according to claim 1, characterized in that: A spinneret forming hole (401) is provided on one side wall of the spinneret (4), and a core liquid tube (402) is fixedly inserted into the spinneret forming hole (401).

5. A hollow fiber membrane spinning device according to claim 4, characterized in that: The other side wall of the spinneret (4) is fixedly connected with a flow guide tube (403), and the side wall of the spinneret (4) is provided with a sealing groove (404), and two groups of the sealing grooves (404) are symmetrically arranged with respect to the flow guide tube (403).

6. A hollow fiber membrane spinning device according to claim 1, characterized in that: The inner side wall of the movable groove (61) is symmetrically provided with sliding grooves (62), and both side walls of the sliding plate (63) are fixedly connected with sliding blocks (64), and the side ends of the sliding blocks (64) are movably clamped in the sliding grooves (62).

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