Raw material washing device for papermaking

Abstract

The utility model belongs to the technical field of papermaking, particularly relates to a raw material washing device for papermaking, and aims to solve the problems that the washing effect is not ideal, water scale is not easy to treat and a pipeline is easy to block in the background technology, and the raw material washing device comprises a washing box, and the outer wall of one side of the washing box is fixedly connected with a servo motor through a bolt. And an output shaft of the servo motor is connected with a washing drum through a coupling. Due to the fact that the long blades and the short blades on the washing drum are sequentially and alternately distributed, washing dead angles are few, in the actual operation process, raw materials can obtain an ideal washing effect, the independent water drainage pipe and the independent slag discharge pipe are arranged at the bottom of the washing box, sewage and waste residues can be rapidly treated, and the service life of the raw materials is prolonged. The purity of the washed papermaking raw materials is guaranteed, the blocking condition in the deslagging pipe can be observed by opening the grating window, the backflushing pipe can be communicated with the high-pressure water pipe to flush the deslagging pipe, the pipeline is prevented from being blocked by waste residues, and the deslagging smoothness is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of papermaking, in particular to a raw material washing device for papermaking. Background Art

[0002] Papermaking is the process of converting plant fibers into paper. This usually involves pulping the plant fibers and then making paper by hand or machine. The raw materials for papermaking are mainly plant fibers, including tree bark, hemp heads, rags, old fishing nets, etc. After these raw materials are processed, they can be made into paper.

[0003] However, the existing raw material washing device has the following problems:

[0004] The washing drum blades in the existing device are arranged in a way that the height of the blades gradually decreases from the middle to the sides. This structure has a large washing dead angle, which can easily lead to unsatisfactory material washing effects during operation. In addition, the scale after material washing is difficult to handle and can easily clog the pipeline. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides a papermaking raw material washing device, which overcomes the deficiencies of the prior art and effectively solves the problems of unsatisfactory washing effect, difficulty in handling scale, and easy clogging of pipelines.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A papermaking raw material washing device comprises a washing box, an outer wall of one side of the washing box is fixedly connected to a servo motor by bolts, and the output shaft of the servo motor is connected to a washing drum by a coupling, and the outer wall of the washing drum is respectively provided with long blades and short blades distributed at equal distances;

[0008] A drainage pipe is welded to the outer wall of the bottom of the washing box, and a first butterfly valve is fixedly connected to the outer wall of the bottom of the drainage pipe; a slag discharge pipe is installed on the outer wall of the bottom of the first butterfly valve, and a second butterfly valve is fixedly connected to the outer wall of the bottom of the slag discharge pipe;

[0009] A grille window is installed on the outer wall of one side of the slag discharge pipe, and a recoil pipe is fixedly connected to the outer wall of one side of the slag discharge pipe at the bottom of the grille window.

[0010] Preferably, the long blades and the short blades are alternately distributed on the outer wall of the washing drum in sequence.

[0011] Preferably, a drainage joint is fixedly connected to the outer wall of one side of the drainage pipe.

[0012] Preferably, a symmetrically distributed water inlet pipe is welded to the outer wall of one side of the washing box, and a feed pipe is welded to the outer wall at the top of the water inlet pipe.

[0013] Preferably, the outer wall on the other side of the washing box is fixedly connected to a bearing seat, and the outer wall at one end of the washing drum is fixedly connected to the inner wall of the bearing of the bearing seat.

[0014] Preferably, a discharge pipe is welded to the outer wall of the other side of the washing box.

[0015] Preferably, the top outer wall of the washing box is provided with symmetrically distributed observation windows.

[0016] Preferably, a support frame is welded to the outer wall of the bottom of the washing box and the water inlet pipe.

[0017] The beneficial effects of the utility model are:

[0018] 1. In the papermaking raw material washing device designed in this invention, when the papermaking raw material and water are mixed into the washing box, the washing drum is driven to rotate by the servo motor, and the raw material can be washed in the washing box. During the washing process, the long blades and the short blades on the washing drum are alternately distributed in sequence, and there are few dead corners for washing. In the actual operation process, the raw material can obtain an ideal washing effect;

[0019] 2. The papermaking raw material washing device of this design is equipped with a separate drainage pipe and a slag discharge pipe at the bottom of the washing box, and the first butterfly valve and the second butterfly valve are respectively arranged on the two pipes, so that the sewage and waste residue can be quickly processed, ensuring the purity of the papermaking raw material after washing;

[0020] 3. The papermaking raw material washing device of this design adds a dredging structure to the slag discharge pipe. By opening the grille window, the blockage inside the slag discharge pipe can be observed. Once blockage occurs, the recoil pipe can be connected to a high-pressure water pipe to flush the slag discharge pipe, avoiding waste residue from clogging the pipe and ensuring smooth slag discharge. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a front view of the overall structure of a papermaking raw material washing device proposed by the utility model;

[0022] Figure 2 This is a rear view of the overall structure of a papermaking raw material washing device proposed by the utility model;

[0023] Figure 3 The utility model discloses a schematic diagram of a washing drum connection structure of a papermaking raw material washing device.

[0024] In the figure: 1. washing box; 2. servo motor; 3. washing drum; 4. long blades; 5. short blades; 6. drain pipe; 7. first butterfly valve; 8. slag discharge pipe; 9. second butterfly valve; 10. grille window; 11. recoil pipe; 12. drain joint; 13. water inlet pipe; 14. feed pipe; 15. bearing seat; 16. discharge pipe; 17. observation window; 18. support frame. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] Embodiment 1, refer to Figures 1 to 3 A papermaking raw material washing device comprises a washing box 1, an outer wall of one side of the washing box 1 is fixedly connected to a servo motor 2 by bolts, and the output shaft of the servo motor 2 is connected to a washing drum 3 by a coupling, and the outer wall of the washing drum 3 is respectively provided with long blades 4 and short blades 5 distributed at equal distances.

[0027] In this embodiment, after the papermaking raw materials and water are mixed into the washing box 1, the washing drum 3 is driven to rotate by the servo motor 2, and the raw materials can be washed in the washing box 1. During the washing process, since the long blades 4 and the short blades 5 on the washing drum 3 are alternately distributed in sequence, there are few dead corners in washing. In the actual operation process, the raw materials can obtain an ideal washing effect.

[0028] Example 2, refer to Figure 1 A papermaking raw material washing device, a drain pipe 6 is welded to the bottom outer wall of the washing box 1, and a first butterfly valve 7 is fixedly connected to the bottom outer wall of the drain pipe 6, a slag discharge pipe 8 is installed on the bottom outer wall of the first butterfly valve 7, and a second butterfly valve 9 is fixedly connected to the bottom outer wall of the slag discharge pipe 8.

[0029] In this embodiment, a separate drainage pipe 6 and a slag discharge pipe 8 are arranged at the bottom of the washing box 1, and a first butterfly valve 7 and a second butterfly valve 9 are respectively arranged on the two pipes, so that sewage and waste residue can be quickly processed, ensuring the purity of the papermaking raw material after washing.

[0030] Example 3, refer to Figure 1 A papermaking raw material washing device, a grille window 10 is installed on the outer wall of one side of the slag discharge pipe 8, and a recoil pipe 11 is fixedly connected to the outer wall of one side of the slag discharge pipe 8 at the bottom of the grille window 10.

[0031] In this embodiment, a clearing structure is added to the slag discharge pipe 8. By opening the grille window 10, the blockage condition inside the slag discharge pipe 8 can be observed. Once blockage occurs, the recoil pipe 11 can be connected to a high-pressure water pipe to flush the slag discharge pipe 8, thereby avoiding waste slag from clogging the pipe and ensuring smooth slag discharge.

[0032] Reference Figure 3 The long blades 4 and the short blades 5 are alternately distributed on the outer wall of the washing drum 3 in sequence.

[0033] Reference Figure 1 A drainage joint 12 is fixedly connected to the outer wall of one side of the drainage pipe 6.

[0034] Reference Figure 2 A symmetrically distributed water inlet pipe 13 is welded to the outer wall of one side of the washing box 1, and a feed pipe 14 is welded to the outer wall of the top of the water inlet pipe 13.

[0035] Reference Figure 3 The outer wall of the other side of the washing box 1 is fixedly connected with a bearing seat 15, and the outer wall of one end of the washing drum 3 is fixedly connected to the inner wall of the bearing of the bearing seat 15.

[0036] Reference Figure 1 A discharge pipe 16 is welded to the outer wall of the other side of the washing box 1.

[0037] Reference Figure 2 The top outer wall of the washing box 1 is provided with symmetrically distributed observation windows 17.

[0038] Reference Figure 2 A support frame 18 is welded to the outer wall of the bottom of the washing box 1 and the water inlet pipe 13.

[0039] Working principle: papermaking raw materials and water are respectively introduced into the washing box 1 through the water inlet pipe 13 and the feed pipe 14, and the washing drum 3 is driven to rotate by the servo motor 2, so that the raw materials can be washed in the washing box 1, and the long blades 4 and the short blades 5 on the washing drum 3 are alternately distributed in sequence, so that the raw materials can get an ideal washing effect. The washed raw materials are discharged through the discharge pipe 16, and the sewage is discharged through the drainage joint 12 on one side of the drainage pipe 6. After opening the first butterfly valve 7 and the second butterfly valve 9, the waste residue is discharged through the residue discharge pipe 8. The blockage inside the residue discharge pipe 8 can be observed by opening the grille window 10, and the residue discharge pipe 8 is flushed through the recoil pipe 11 to prevent the waste residue from clogging the pipe.

[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A papermaking raw material washing device, comprising a washing box (1), characterized in that: A servo motor (2) is fixedly connected to the outer wall of one side of the washing box (1) by bolts, and the output shaft of the servo motor (2) is connected to a washing drum (3) by a coupling, and the outer wall of the washing drum (3) is respectively provided with long blades (4) and short blades (5) distributed at equal distances; A drainage pipe (6) is welded to the outer wall of the bottom of the washing box (1), and a first butterfly valve (7) is fixedly connected to the outer wall of the bottom of the drainage pipe (6); a slag discharge pipe (8) is installed on the outer wall of the bottom of the first butterfly valve (7), and a second butterfly valve (9) is fixedly connected to the outer wall of the bottom of the slag discharge pipe (8); A grille window (10) is installed on the outer wall of one side of the slag discharge pipe (8), and a recoil pipe (11) is fixedly connected to the outer wall of one side of the slag discharge pipe (8) at the bottom of the grille window (10).

2. A papermaking raw material washing device according to claim 1, characterized in that: The long blades (4) and the short blades (5) are alternately distributed on the outer wall of the washing drum (3) in sequence.

3. A papermaking raw material washing device according to claim 1, characterized in that: A drainage joint (12) is fixedly connected to the outer wall of one side of the drainage pipe (6).

4. A papermaking raw material washing device according to claim 1, characterized in that: A symmetrically distributed water inlet pipe (13) is welded to the outer wall of one side of the washing box (1), and a feed pipe (14) is welded to the outer wall of the top of the water inlet pipe (13).

5. A papermaking raw material washing device according to claim 1, characterized in that: The outer wall of the other side of the washing box (1) is fixedly connected to a bearing seat (15), and the outer wall of one end of the washing drum (3) is fixedly connected to the inner wall of the bearing of the bearing seat (15).

6. A papermaking raw material washing device according to claim 1, characterized in that: A discharge pipe (16) is welded to the outer wall of the other side of the washing box (1).

7. A papermaking raw material washing device according to claim 1, characterized in that: The top outer wall of the washing box (1) is provided with symmetrically distributed observation windows (17).

8. The papermaking raw material washing device according to claim 1, characterized in that: A support frame (18) is welded to the outer wall of the bottom of the washing box (1) and the water inlet pipe (13).

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