Water solution purification and recovery device in acrylic yarn production

Abstract

The utility model provides an aqueous solution purification and recovery device in acrylic yarn production, which relates to the field of acrylic yarn aqueous solution purification and recovery and comprises a filter box, a movable frame is mounted in the filter box, a pair of connecting blocks is symmetrically arranged on each of two sides of the movable frame, and guide rods are mounted on the connecting blocks in a penetrating manner. The top end and the bottom end of the guide rod are both connected with connecting seats, and the connecting seats are both fixedly connected with the inner wall, close to one side, of the filter box; according to the utility model, the rotating block is eccentrically arranged on the surface of the rotating shaft, when the rotating block rotates, the movable frame is continuously jacked up through the rollers, so that the movable frame continuously reciprocates up and down, and in the process, the filter cloth mounted between the movable frame and the partition plate continuously repeats the tightening and loosening process, so that impurities on the surface of the filter cloth are shaken off, and the impurities on the surface of the filter cloth are removed. And then impurities in micropores of the filter cloth are cleaned in a back-flushing manner, so that the cleaning effect on the filter cloth is relatively good.

Description

Technical Field

[0001] The utility model belongs to the technical field of purification and recovery of acrylic yarn aqueous solution, in particular to a device for purifying and recovering aqueous solution in acrylic yarn production. Background Art

[0002] Most acrylic fiber production processes use sodium thiocyanate solution as the solvent for acrylic fiber polymerization and acrylic fiber spinning cooling solvent. During the production process, impurities such as sulfate ions, iron ions, P-SPN, and P-SPA will enter the sodium thiocyanate solution. The increase of impurities in the sodium thiocyanate solution will cause many adverse effects on the quality of acrylic fiber products. Therefore, it is necessary to remove impurities through the sodium thiocyanate solution purification production process so that the sodium thiocyanate solution can be continuously purified and recycled in the acrylic fiber production process.

[0003] Patent CN202020199432.0 discloses a combined device for recovering and reducing the emission of sodium thiocyanate solution in acrylic fiber production. In this patent, an aqueous solution containing sodium thiocyanate in the acrylic fiber production process is filtered through a filter cloth filter to remove impurities in the aqueous solution. However, existing filter cloth filters, such as a durable dynamic filter cloth filter disclosed in patent CN201822114451.4, rotate the filter box to clean the filter cloth by centrifugal force to remove impurities from the filter cloth. In this process, if the filter box rotates at a slower speed, the centrifugal force is too small and it is difficult to clean quickly. If it rotates at a faster speed, the internal structure of the filter box will be subjected to a larger force, thereby causing damage to components. At the same time, the overall rotation of the filter box is not conducive to the connection between the pipeline and the filter box.

[0004] In summary, the utility model provides a device for purifying and recovering aqueous solution in acrylic yarn production to solve the above problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a device for purifying and recovering aqueous solution in acrylic yarn production.

[0006] A purification and recovery device for aqueous solution in acrylic yarn production comprises a filter box, a movable frame is installed inside the filter box, a pair of connecting blocks are symmetrically arranged on both sides of the movable frame, a guide rod is installed through the connecting block, the top and bottom ends of the guide rod are connected to a connecting seat, and the connecting seat is fixedly connected to the inner wall of the filter box close to one side, a partition is arranged above the movable frame inside the filter box, a plurality of filter cloths are installed in an array at the bottom of the partition, and the bottoms of the filter cloths are fixedly connected to the top of the movable frame, a connecting shaft is arranged between each pair of the connecting blocks on both sides of the movable frame, rollers are rotatably installed on the surface of the connecting shaft, a rotating shaft is installed inside the filter box at a position close to the bottom of the movable frame, two rotating blocks are symmetrically installed on the surface of the rotating shaft, and the two rotating blocks correspond to the positions of the two rollers respectively.

[0007] Furthermore, the rotating block is circular in shape, and the rotating block is eccentrically arranged on the surface of the rotating shaft.

[0008] Furthermore, a spring is sleeved on the surface of the guide rod, and two ends of the spring respectively abut against the connecting block and the opposite side of the connecting seat to which the top of the guide rod is connected.

[0009] Furthermore, a motor is fixedly mounted on one side of the outer surface of the filter box, and the output end of the motor is transmission-connected to the rotating shaft.

[0010] Furthermore, a conical bucket is provided at the bottom of the filter box, and a slag discharge port is provided at the bottom of the conical bucket.

[0011] Furthermore, a liquid outlet pipe is arranged at the top of one side of the filter box, a backwash water inlet pipe is arranged at the top of the other side of the filter box, and a liquid inlet pipe is arranged at the bottom of one side of the filter box.

[0012] Furthermore, the bottom of the conical bucket is also provided with supporting legs.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model uses a rotating block eccentrically arranged on the surface of the rotating shaft. When the rotating block rotates, the movable frame is continuously lifted up by a roller, so that the movable frame continuously reciprocates up and down. During this process, the filter cloth installed between the movable frame and the partition plate continuously repeats the process of tightening and relaxing, thereby shaking off impurities on the surface of the filter cloth, and then cleaning the impurities in the micropores of the filter cloth by backflushing, so that the cleaning effect of the filter cloth is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0016] Figure 2 It is a side sectional schematic diagram of the utility model;

[0017] Figure 3 It is a front cross-sectional schematic diagram of the utility model;

[0018] Figure 4 This utility model Figure 2 A local enlarged schematic diagram of the middle A;

[0019] Figure 5 This utility model Figure 3 A local enlarged schematic diagram of point B in the middle.

[0020] In the figure:

[0021] 1. Filter box; 2. Movable frame; 3. Connecting block; 4. Guide rod; 5. Connecting seat; 6. Partition; 7. Filter cloth; 8. Connecting shaft; 9. Roller; 10. Rotating shaft; 11. Rotating block; 12. Spring; 13. Motor; 14. Conical bucket; 15. Slag outlet; 16. Liquid outlet pipe; 17. Recoil water inlet pipe; 18. Liquid inlet pipe; 19. Support leg. DETAILED DESCRIPTION

[0022] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0023] like Figure 1-5 As shown, the utility model provides a purification and recovery device for aqueous solution in acrylic yarn production, comprising a filter box 1, a movable frame 2 is installed inside the filter box 1, a pair of connecting blocks 3 are symmetrically arranged on both sides of the movable frame 2, a guide rod 4 is installed through the connecting block 3, the top and bottom ends of the guide rod 4 are connected to a connecting seat 5, and the connecting seat 5 is fixedly connected to the inner wall of the filter box 1 near one side, a partition 6 is arranged above the movable frame 2 inside the filter box 1, a plurality of filter cloths 7 are installed in an array at the bottom of the partition 6, and the bottoms of the filter cloths 7 are connected to the movable frame 2 is fixedly connected to the top of the movable frame 2, a connecting shaft 8 is provided between each pair of connecting blocks 3 on both sides of the movable frame 2, and rollers 9 are rotatably installed on the surface of the connecting shaft 8. The rollers 9 are used to keep the rotating block 11 and the movable frame 2 in rolling connection, thereby reducing the wear of the rotating block 11 and the movable frame 2. A rotating shaft 10 is installed inside the filter box 1 at a position close to the bottom of the movable frame 2, and two rotating blocks 11 are symmetrically installed on the surface of the rotating shaft 10. The surface of the rotating block 11 is in contact with the surface of the roller 9, and the two rotating blocks 11 correspond to the positions of the two rollers 9 respectively.

[0024] The rotating block 11 is circular in shape and eccentrically disposed on the surface of the rotating shaft 10 . During the rotation of the rotating shaft 10 , the rotating block 11 can continuously reciprocate the movable frame 2 in the up and down directions.

[0025] Among them, a spring 12 is mounted on the surface of the guide rod 4, and the two ends of the spring 12 are respectively against the opposite sides of the connecting block 3 and the connecting seat 5 connected to the top of the guide rod 4. Through the elastic force of the spring 12, the roller 9 remains in contact with the surface of the rotating block 11.

[0026] A motor 13 is fixedly mounted on one side of the outer surface of the filter box 1 , and the output end of the motor 13 is transmission-connected to the rotating shaft 10 , and the battery is used to drive the rotating shaft 10 to rotate.

[0027] A conical bucket 14 is provided at the bottom of the filter box 1, and a slag outlet 15 is provided at the bottom of the conical bucket 14. The conical bucket 14 is used to gather the filtered impurities to the slag outlet for discharge.

[0028] Among them, a liquid outlet pipe 16 is arranged at the top of one side of the filter box 1, and a backwash water inlet pipe 17 is arranged at the top of the other side of the filter box 1. The liquid outlet pipe 16 and the backwash water inlet pipe 17 are connected to the space above the partition 6 in the filter box 1, and the filtered aqueous solution is discharged from the liquid outlet. A liquid inlet pipe 18 is arranged at the bottom of one side of the filter box 1, and the liquid inlet pipe 18 is connected to the space below the partition 6 in the filter box 1. The aqueous solution in the acrylic yarn production process enters the filter box 1 from the water inlet.

[0029] Among them, the bottom of the conical bucket 14 is also provided with support legs 19, and the support legs 19 are used to support and fix the utility model.

[0030] Specific working principle:

[0031] Before the use of the utility model, the external power supply and control panel of the utility model are first connected. During the use of the utility model, during the acrylic production process, the aqueous solution enters the filter box 1 from the liquid inlet, is filtered by the filter cloth 7, and is discharged from the liquid outlet, thereby removing impurities in the aqueous solution. When there are many impurities attached to the filter cloth 7, the motor 13 in the utility model is started through the external control panel, and the motor 13 drives the rotating shaft 10 to drive, and the rotating shaft 10 drives the rotating block 11 to rotate. Since the rotating block 11 is eccentrically arranged, when the rotating block 11 rotates, the movable frame 2 is continuously lifted up by the roller 9, so that it continuously reciprocates up and down. In this process, the filter cloth 7 installed between the movable frame 2 and the partition 6 continuously repeats the process of tightening and relaxing, thereby shaking off the impurities on the surface of the filter cloth 7. Finally, clean water is injected into the filter box 1 from the backwash water inlet. During the process of the clean water passing from the inside to the outside of the filter cloth 7, the impurities in the micropores of the filter cloth 7 are flushed out, thereby completing the cleaning process of the filter cloth 7, and finally the cleaned impurities are discharged from the outlet.

[0032] The implementation modes of the present invention are provided for the purpose of illustration and description. Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A device for purifying and recovering aqueous solution in acrylic yarn production, characterized in that: The invention comprises a filter box (1), wherein a movable frame (2) is installed inside the filter box (1), a pair of connecting blocks (3) are symmetrically arranged on both sides of the movable frame (2), a guide rod (4) is installed through the connecting block (3), the top and bottom ends of the guide rod (4) are connected to a connecting seat (5), and the connecting seat (5) is fixedly connected to the inner wall of the filter box (1) near one side, and a partition (6) is arranged above the movable frame (2) inside the filter box (1), and a plurality of filter cloths are installed in an array at the bottom of the partition (6). (7), and the bottom of the filter cloth (7) is fixedly connected to the top of the movable frame (2), a connecting shaft (8) is provided between each pair of the connecting blocks (3) on both sides of the movable frame (2), and a roller (9) is rotatably mounted on the surface of the connecting shaft (8), and a rotating shaft (10) is installed inside the filter box (1) at a position close to the bottom of the movable frame (2), and two rotating blocks (11) are symmetrically mounted on the surface of the rotating shaft (10), and the two rotating blocks (11) correspond to the positions of the two rollers (9) respectively.

2. The aqueous solution purification and recovery device for acrylic yarn production as claimed in claim 1, characterized in that: The rotating block (11) is circular in shape, and the rotating block (11) is eccentrically arranged on the surface of the rotating shaft (10).

3. The aqueous solution purification and recovery device for acrylic yarn production as claimed in claim 1, characterized in that: A spring (12) is sleeved on the surface of the guide rod (4), and two ends of the spring (12) respectively abut against the connecting block (3) and the opposite side of the connecting seat (5) connected to the top of the guide rod (4).

4. The aqueous solution purification and recovery device for acrylic yarn production as claimed in claim 1, characterized in that: A motor (13) is fixedly mounted on one side of the outer surface of the filter box (1), and the output end of the motor (13) is transmission-connected to the rotating shaft (10).

5. The aqueous solution purification and recovery device for acrylic yarn production as claimed in claim 1, characterized in that: The bottom of the filter box (1) is provided with a conical bucket (14), and the bottom of the conical bucket (14) is provided with a slag discharge port (15).

6. The aqueous solution purification and recovery device for acrylic yarn production as claimed in claim 1, characterized in that: A liquid outlet pipe (16) is arranged at the top of one side of the filter box (1), a backwash water inlet pipe (17) is arranged at the top of the other side of the filter box (1), and a liquid inlet pipe (18) is arranged at the bottom of one side of the filter box (1).

7. The aqueous solution purification and recovery device in acrylic yarn production as claimed in claim 5, characterized in that: The bottom of the conical bucket (14) is also provided with supporting legs (19).

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