Hollow fiber continuous coating device

Abstract

The utility model discloses a hollow fiber continuous coating device, which belongs to the technical field of separation membrane preparation and comprises a hollow fiber unwinding device and a first tension sensor. The hollow fiber unwinding device and the first tension sensor are fixedly connected to an external rack; a pretreatment tank, a first washing tank, a water phase tank, an oil phase tank, a sodium carbonate tank, a second washing tank and a glycerol soaking tank are sequentially and fixedly connected to the external rack from left to right; the external rack is fixedly connected with a first temperature control box, a second temperature control box and a third temperature control box; and the external rack is fixedly connected with a second tension sensor and a hollow fiber winding device. Continuous coating of hollow fibers is achieved, the coating length can be adjusted at will according to needs, uneven coating or deformation of membrane filaments can be avoided, integration of coating, cleaning, glycerin moisturizing and drying can be achieved, operation is easy, the working efficiency is improved, and the loss rate of products can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of separation membrane preparation, in particular to a hollow fiber continuous coating device. Background Art

[0002] Due to the increasingly serious water shortage and water pollution problems in recent years, membrane separation technology has been widely used in many fields.

[0003] For example, Chinese patent CN113634135A proposes a hollow fiber composite nanofiltration membrane and a preparation method thereof, wherein the hollow fiber ultrafiltration membrane is subjected to heat treatment, end-capping treatment and modification treatment in sequence, the hollow fiber ultrafiltration membrane after modification is added to a metal ion chelated polyethyleneimine solution for surface coating, then a gallic acid solution is added to the metal ion chelated polyethyleneimine solution for surface reaction, and after the reaction is completed, the hollow fiber composite nanofiltration membrane is finally obtained by drying, washing and air-drying.

[0004] However, the above patent cannot achieve continuous coating of hollow fibers, and the production efficiency needs to be improved.

[0005] Based on this, the utility model designs a hollow fiber continuous coating device to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a hollow fiber continuous coating device.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A hollow fiber continuous coating device, comprising a hollow fiber unwinding device and a first tension sensor;

[0009] The hollow fiber unwinding device and the first tension sensor are fixedly connected to the external frame;

[0010] The external frame is fixedly connected with a pretreatment tank, a first water washing tank, a water phase tank, an oil phase tank, a sodium carbonate tank, a second water washing tank and a glycerin soaking tank from left to right in sequence;

[0011] A first temperature control box is fixedly connected to the external frame located above the first washing tank;

[0012] A second temperature control box is fixedly connected to the external frame located above the water phase tank;

[0013] A third temperature control box is fixedly connected to the external frame located above the oil phase tank;

[0014] The second tension sensor and the hollow fiber winding device are fixedly connected to the external frame.

[0015] Furthermore, the hollow fiber unwinding device is electrically connected to the first tension sensor.

[0016] Furthermore, the second tension sensor is electrically connected to the hollow fiber winding device.

[0017] Furthermore, the first temperature control box, the second temperature control box and the third temperature control box are provided with air blowing devices therein.

[0018] Furthermore, the first temperature control box, the second temperature control box and the third temperature control box are provided with temperature control probes for maintaining temperature stability.

[0019] Furthermore, the pretreatment tank, the first water washing tank, the water phase tank, the oil phase tank, the sodium carbonate tank, the second water washing tank, and the glycerin soaking tank are all rotatably connected with lower guide wheels.

[0020] Furthermore, multiple sets of upper guide wheels are connected to the external frame above the first temperature control box, the second temperature control box, and the third temperature control box so as to rotate from left to right in sequence.

[0021] Furthermore, the pretreatment tank, the first water washing tank, the water phase tank, the oil phase tank, the sodium carbonate tank, the second water washing tank, and the glycerol soaking tank are all magnetic stirring constant temperature tanks.

[0022] Furthermore, the tension range of the first tension sensor and the second tension sensor is 10N-300N.

[0023] Furthermore, one end of the hollow fiber is wound around the hollow fiber unwinding device through the first tension sensor, and the other end of the hollow fiber is wound around the hollow fiber winding device through the second tension sensor. The hollow fiber successively passes around the upper guide wheel between the first tension sensor and the pretreatment tank, the lower guide wheel in the pretreatment tank, the upper guide wheel between the pretreatment tank and the first water washing tank, the lower guide wheel in the first water washing tank, the inside of the first temperature control box, the upper guide wheel between the first temperature control box and the water phase tank, the lower guide wheel in the water phase tank, the inside of the second temperature control box, the upper guide wheel between the second temperature control box and the third temperature control box, the inside of the third temperature control box, the lower guide wheel in the oil phase tank, the inside of the third temperature control box, the upper guide wheel between the third temperature control box and the sodium carbonate tank, the lower guide wheel in the sodium carbonate tank, the upper guide wheel between the sodium carbonate tank and the second water washing tank, the lower guide wheel in the second water washing tank, the upper guide wheel between the second water washing tank and the glycerol soaking tank, the inside of the glycerol soaking tank, the upper guide wheel between the glycerol soaking tank and the second tension sensor, and is finally wound onto the hollow fiber winding device.

[0024] The utility model has the following technical effects:

[0025] 1. After being unwound from the hollow fiber unwinding device, the hollow fiber of the utility model passes through the first tension sensor, the pretreatment tank, the first water washing tank, the first temperature control box, the water phase tank, the second temperature control box, the third temperature control box, the oil phase tank, the third temperature control box, the sodium carbonate tank, the second water washing tank, the glycerin soaking tank, the second tension sensor in sequence, and is finally wound onto the hollow fiber winding device. The proportion, composition, temperature and rotation speed of the water phase and the oil phase can be adjusted arbitrarily according to the process requirements, thereby realizing continuous coating of the hollow fiber and improving work efficiency.

[0026] 2. The coating length of the utility model can be adjusted arbitrarily according to needs.

[0027] 3. The utility model can avoid uneven coating or deformation of the membrane filament, and can realize the integration of coating, cleaning, glycerin moisturizing and drying. It is easy to operate, improves work efficiency and can reduce the loss rate of products. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0029] Figure 1 The utility model is a schematic structural diagram of a hollow fiber continuous coating device.

[0030] The numbers in the figure represent:

[0031] 1. Hollow fiber unwinding device; 2. First tension sensor; 3. First temperature control box; 4. Second temperature control box; 5. Third temperature control box; 6. Second tension sensor; 7. Hollow fiber winding device; 8. Pretreatment tank; 9. First water washing tank; 10. Water phase tank; 11. Oil phase tank; 12. Sodium carbonate tank; 13. Second water washing tank; 14. Glycerol soaking tank. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of 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.

[0033] The utility model is further described below in conjunction with embodiments.

[0034] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view. Example

[0035] Please refer to the instruction manual Figure 1 , a hollow fiber continuous coating device, comprising a hollow fiber unwinding device 1 and a first tension sensor 2;

[0036] The hollow fiber unwinding device 1 and the first tension sensor 2 are fixedly connected to the external frame;

[0037] The external frame is fixedly connected with a pretreatment tank 8, a first water washing tank 9, a water phase tank 10, an oil phase tank 11, a sodium carbonate tank 12, a second water washing tank 13 and a glycerin soaking tank 14 in sequence from left to right;

[0038] A first temperature control box 3 is fixedly connected to the external frame located above the first water washing tank 9;

[0039] A second temperature control box 4 is fixedly connected to the external frame located above the water phase tank 10;

[0040] A third temperature control box 5 is fixedly connected to the external frame located above the oil phase tank 11;

[0041] The second tension sensor 6 and the hollow fiber winding device 7 are fixedly connected to the external frame;

[0042] The hollow fiber unwinding device 1 is electrically connected to the first tension sensor 2;

[0043] The second tension sensor 6 is electrically connected to the hollow fiber winding device 7;

[0044] The first temperature control box 3, the second temperature control box 4 and the third temperature control box 5 are provided with a blast device inside;

[0045] The first temperature control box 3, the second temperature control box 4, and the third temperature control box 5 are provided with temperature control probes for maintaining temperature stability;

[0046] The pretreatment tank 8, the first water washing tank 9, the water phase tank 10, the oil phase tank 11, the sodium carbonate tank 12, the second water washing tank 13, and the glycerin soaking tank 14 are all rotatably connected with lower guide wheels;

[0047] Multiple sets of upper guide wheels are connected to the external frame located above the first temperature control box 3, the second temperature control box 4, and the third temperature control box 5, which are rotatably connected from left to right in sequence;

[0048] The pretreatment tank 8, the first water washing tank 9, the water phase tank 10, the oil phase tank 11, the sodium carbonate tank 12, the second water washing tank 13, and the glycerol soaking tank 14 are all magnetic stirring thermostatic tanks, so as to realize the separate control of temperature and rotation speed;

[0049] One end of the hollow fiber passes through the first tension sensor 2 and is wound on the hollow fiber unwinding device 1, and the other end of the hollow fiber passes through the second tension sensor 6 and is wound on the hollow fiber winding device 7. The hollow fiber sequentially passes through the upper guide wheel between the first tension sensor 2 and the pretreatment tank 8, the lower guide wheel in the pretreatment tank 8, the upper guide wheel between the pretreatment tank 8 and the first water washing tank 9, the lower guide wheel in the first water washing tank 9, the inside of the first temperature control box 3, the upper guide wheel between the first temperature control box 3 and the water phase tank 10, the lower guide wheel in the water phase tank 10, the inside of the second temperature control box 4, the second temperature control box 5, the second temperature control box 6, the second temperature control box 7, the second temperature control box 8, the second temperature control box 9 ... The upper guide wheel between the control box 4 and the third temperature control box 5, the lower guide wheel inside the third temperature control box 5 and the oil phase tank 11, the upper guide wheel inside the third temperature control box 5, between the third temperature control box 5 and the sodium carbonate tank 12, the lower guide wheel inside the sodium carbonate tank 12, the upper guide wheel between the sodium carbonate tank 12 and the second water washing tank 13, the lower guide wheel inside the second water washing tank 13, the upper guide wheel between the second water washing tank 13 and the glycerin soaking tank 14, the glycerin soaking tank 14, the upper guide wheel between the glycerin soaking tank 14 and the second tension sensor 6, and finally rolled onto the hollow fiber winding device 7;

[0050] After the hollow fiber is unwound from the hollow fiber unwinding device 1, it passes through the first tension sensor 2, the pretreatment tank 8, the first water washing tank 9, the first temperature control box 3, the water phase tank 10, the second temperature control box 4, the third temperature control box 5, the oil phase tank 11, the third temperature control box 5, the sodium carbonate tank 12, the second water washing tank 13, the glycerin soaking tank 14, the second tension sensor 6, and finally is wound onto the hollow fiber winding device 7. The proportion, composition, temperature and rotation speed of the water phase and the oil phase can be adjusted arbitrarily according to the process requirements, so as to realize continuous coating of the hollow fiber and improve the work efficiency;

[0051] The coating length can be adjusted as needed. For example, when the hollow fiber no longer needs to be coated with sodium carbonate, the hollow fiber is taken out from the lower guide wheel in the sodium carbonate tank 12, and the hollow fiber no longer passes through the sodium carbonate tank 12, thereby adjusting the coating length of the hollow fiber as needed.

[0052] It avoids uneven coating or deformation of membrane filaments, and can realize coating, cleaning, glycerin moisturizing and drying in one. It is easy to operate, improves work efficiency and reduces product loss rate. Example

[0053] like Figure 1 As shown, as a preferred embodiment of the utility model, the hollow fiber unwinding device 1 and the hollow fiber winding device 7 are selected from existing commercially available structures, such as Chinese patents CN219384254U and CN218434214U. Example

[0054] like Figure 1As shown, as a preferred embodiment of the present invention, the tension range of the first tension sensor 2 and the second tension sensor 6 is 10N-300N.

[0055] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A hollow fiber continuous coating device, comprising a hollow fiber unwinding device (1) and a first tension sensor (2), characterized in that: The hollow fiber unwinding device (1) and the first tension sensor (2) are fixedly connected to the external frame; The external frame is fixedly connected with a pretreatment tank (8), a first water washing tank (9), a water phase tank (10), an oil phase tank (11), a sodium carbonate tank (12), a second water washing tank (13) and a glycerin soaking tank (14) in sequence from left to right; A first temperature control box (3) is fixedly connected to an external frame located above the first water washing tank (9); A second temperature control box (4) is fixedly connected to the external frame located above the water phase tank (10); A third temperature control box (5) is fixedly connected to the external frame located above the oil phase tank (11); A second tension sensor (6) and a hollow fiber winding device (7) are fixedly connected to the external frame.

2. The hollow fiber continuous coating device according to claim 1, characterized in that: The hollow fiber unwinding device (1) and the first tension sensor (2) are electrically connected.

3. The hollow fiber continuous coating device according to claim 2, characterized in that: The second tension sensor (6) is electrically connected to the hollow fiber winding device (7).

4. The hollow fiber continuous coating device according to claim 3, characterized in that: The first temperature control box (3), the second temperature control box (4) and the third temperature control box (5) are provided with air blowing devices inside.

5. The hollow fiber continuous coating device according to claim 4, characterized in that: The first temperature control box (3), the second temperature control box (4) and the third temperature control box (5) are provided with temperature control probes for maintaining temperature stability.

6. The hollow fiber continuous coating device according to claim 5, characterized in that: The pretreatment tank (8), the first water washing tank (9), the water phase tank (10), the oil phase tank (11), the sodium carbonate tank (12), the second water washing tank (13), and the glycerin soaking tank (14) are all rotatably connected to lower guide wheels.

7. The hollow fiber continuous coating device according to claim 6, characterized in that: A plurality of sets of upper guide wheels are rotatably connected to the external frame located above the first temperature control box (3), the second temperature control box (4) and the third temperature control box (5) in sequence from left to right.

8. The hollow fiber continuous coating device according to claim 7, characterized in that: The pretreatment tank (8), the first water washing tank (9), the water phase tank (10), the oil phase tank (11), the sodium carbonate tank (12), the second water washing tank (13), and the glycerol soaking tank (14) are all magnetic stirring constant temperature tanks.

9. The hollow fiber continuous coating device according to claim 8, characterized in that: The tension range of the first tension sensor (2) and the second tension sensor (6) is 10N-300N.

10. The hollow fiber continuous coating device according to claim 9, characterized in that: One end of the hollow fiber passes through a first tension sensor (2) and is wound around a hollow fiber unwinding device (1), and the other end of the hollow fiber passes through a second tension sensor (6) and is wound around a hollow fiber winding device (7), and the hollow fiber sequentially passes through an upper guide wheel between the first tension sensor (2) and the pretreatment tank (8), a lower guide wheel in the pretreatment tank (8), an upper guide wheel between the pretreatment tank (8) and the first water washing tank (9), a lower guide wheel in the first water washing tank (9), the interior of the first temperature control box (3), an upper guide wheel between the first temperature control box (3) and the water phase tank (10), a lower guide wheel in the water phase tank (10), the interior of the second temperature control box (4), and the interior of the second temperature control box (5). The hollow fiber (4) is wound around an upper guide wheel between the second water washing tank (13), an upper guide wheel between the second water washing tank (13) and the glycerol soaking tank (14), an upper guide wheel inside the glycerol soaking tank (14), an upper guide wheel between the glycerol soaking tank (14) and the second tension sensor (6), and finally wound onto the hollow fiber winding device (7).

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