Paper pretreatment device

Abstract

The utility model belongs to the technical field of papermaking processing, and particularly relates to a paper pretreatment device which comprises a discharging barrel fixedly arranged on one side of a pulp washing pool, the bottom of the discharging barrel is connected with a discharging port in a penetrating mode, one side of the discharging barrel is connected with an upper partition plate in a penetrating and sliding mode, and the two sides of the upper partition plate are fixedly connected with connecting rods. A connecting plate is arranged on the outer side of the discharging barrel in a sliding mode, a push plate is fixedly connected to one side of the connecting plate, the connecting rod is fixedly connected with the push plate, a lower partition plate is arranged in the discharging opening and located below the upper partition plate in a sliding mode, and one end of the lower partition plate is fixedly connected with the connecting plate; impact force of falling paper pulp is relieved through the upper partition plate and the lower partition plate, the paper pulp is prevented from directly falling on the conveying belt and splashing due to fall height, so that the processing environment is kept clean and tidy, material waste is reduced, meanwhile, water in the paper pulp can be filtered and collected to a certain degree, and corrosion caused by the fact that the water is distributed to the conveying frame is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of papermaking processing, and particularly relates to a paper pretreatment device. Background Art

[0002] The production process of paper includes raw material collection, pulping, pulp treatment and forming, pressing and drying, as well as processing and subsequent treatment. Before forming, the pulp needs to be pretreated by stirring and screening to remove impurities and residual chemical agents; and parameters such as the water content of the pulp, fiber length, and binding force between fibers need to be adjusted as required. Correct pretreatment of washing pulp can significantly improve the cleanliness of the pulp, reduce the demand for subsequent processes such as bleaching, thereby reducing the overall production cost and improving the paper quality.

[0003] The paper pretreatment device of the prior art transfers the pulp to the discharge cylinder through a filter cake, but the pulp still contains a certain amount of moisture when discharging. The existing discharge cylinder structure lacks filtration of the pulp moisture, resulting in the moisture continuously dripping around the conveyor belt below the discharge port. Over time, it will cause corrosion of the conveyor belt structure, and there are often paper scraps splashing outside the conveyor belt at the discharge port, which not only makes the processing environment dirty and messy, but also wastes a certain amount of material cost. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a paper pretreatment device, which relieves the impact force of the falling pulp through the upper partition board and the lower partition board, avoids the pulp splashing everywhere directly on the conveyor belt due to the height difference, thereby keeping the processing environment clean and reducing material waste. At the same time, it can filter and collect a certain amount of moisture of the pulp, and avoid the corrosion caused by the moisture flowing to the conveyor frame.

[0005] The technical solution adopted by the utility model is specifically as follows:

[0006] A paper pretreatment device includes a discharge cylinder fixedly arranged on one side of a pulp washing tank. The bottom of the discharge cylinder is connected with a discharge port in a penetrating manner. A upper partition board is slidably connected through one side of the discharge cylinder. Connecting rods are fixedly connected to both sides of the upper partition board. An adapter plate is slidably arranged on the outside of the discharge cylinder. A push plate is fixedly connected to one side of the adapter plate. The connecting rod is fixedly connected to the push plate. A lower partition board is slidably arranged inside the discharge port and below the upper partition board. One end of the lower partition board is fixedly connected to the adapter plate. A sieve plate is fixedly connected to the middle of the lower partition board. A water tank is opened below the sieve plate at the bottom of the lower partition board. The water tank is set as an inclined slope. A water pipe is fixedly assembled at one end of the water tank and on one side of the discharge port.

[0007] The opening circumference at the bottom of the discharge port is smaller than that at the top.

[0008] The discharge cylinder is slidably connected with the connecting rod.

[0009] Inside the discharge cylinder and above the upper partition plate, slicers are slidably arranged at equal distances.

[0010] One end of the slicer is fixedly connected to the connection plate.

[0011] On one side of the push plate, a servo electric cylinder is assembled by transmission, and a filter cake is rotatably assembled on the top of the pulp washing tank.

[0012] The technical effects achieved by the present utility model are as follows: The impact force of the falling pulp is alleviated by the upper partition plate and the lower partition plate, preventing the pulp from splashing directly onto the conveyor belt due to the height difference, thereby keeping the processing environment clean, reducing material waste, and at the same time being able to filter and collect a certain amount of moisture in the pulp to avoid corrosion caused by the moisture flowing onto the conveyor rack. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is the overall external view of the paper pretreatment device provided by the embodiment of the present utility model;

[0014] Figure 2 is Figure 1 the partial enlarged view of A in

[0015] Figure 3 is the structural breakdown view of the discharge cylinder provided by the embodiment of the present utility model;

[0016] Figure 4 is Figure 3 the partial enlarged view of B in

[0017] Figure 5 is the structural display view of the lower partition plate provided by the embodiment of the present utility model.

[0018] In the drawings, the list of components represented by each reference numeral is as follows:

[0019] 1. Pulp washing tank; 101. Filter cake; 102. Discharge cylinder; 103. Discharge port; 104. Upper partition plate; 105. Servo electric cylinder; 106. Connecting rod; 107. Connection plate; 108. Push plate; 109. Water pipe; 110. Slicer; 111. Lower partition plate; 112. Sieve plate; 113. Water tank. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] In order to make the purpose and advantages of the present utility model clearer, the present utility model will be specifically described below in conjunction with the embodiments. It should be understood that the following text is only used to describe one or several specific implementation manners of the present utility model, and does not strictly limit the specific protection scope claimed by the present utility model.

[0021] As Figures 1-5As shown in the figure, a paper pretreatment device includes a discharge cylinder 102 fixedly arranged on one side of a pulp washing tank 1. A filter cake 101 is rotatably assembled at the top of the pulp washing tank 1. The bottom of the discharge cylinder 102 is connected to a discharge port 103 in a penetrating manner. The opening circumference at the bottom of the discharge port 103 is smaller than that at the top. A upper partition plate 104 is slidably connected through one side of the discharge cylinder 102. Connecting rods 106 are fixedly connected to both sides of the upper partition plate 104. The discharge cylinder 102 is slidably connected to the connecting rods 106. Slices 110 are slidably arranged at equal intervals inside the discharge cylinder 102 and above the upper partition plate 104. An adapter plate 107 is slidably arranged outside the discharge cylinder 102. One end of the slice 110 is fixedly connected to the adapter plate 107. A push plate 108 is fixedly connected to one side of the adapter plate 107. The connecting rod 106 is fixedly connected to the push plate 108. A servo electric cylinder 105 is assembled on one side of the push plate 108 in a driving manner. A lower partition plate 111 is slidably arranged inside the discharge port 103 and below the upper partition plate 104. One end of the lower partition plate 111 is fixedly connected to the adapter plate 107. A sieve plate 112 is fixedly connected to the middle of the lower partition plate 111. A water tank 113 is arranged below the sieve plate 112 at the bottom of the lower partition plate 111. The water tank 113 is set as an inclined slope. A water pipe 109 is fixedly assembled at one end of the water tank 113 and on one side of the discharge port 103.

[0022] According to the above structure, when the filter cake 101 transfers the pulp inside the pulp washing tank 1 to the discharge tube 102, the agglomerated pulp is chopped and split by the slicer 110 and then falls onto the sieve plate 112 of the lower partition plate 111. Due to the impact of the fall, the moisture in the pulp seeps into the water tank 113 and flows into the water pipe 109 through the slope of the water tank 113 for discharge. When the pulp accumulates to a certain extent, the servo electric cylinder 105 is started. The servo electric cylinder 105 pulls the push plate 108, and the push plate 108 drives the connecting plate 107 to move. The connecting plate 107 pulls the lower partition plate 111 out of the discharge port 103 and pulls the slicer 110 out of the discharge tube 102. When the lower partition plate 111 and the slicer 110 slide, since their outer walls are in contact with the discharge tube 102 and the discharge port 103, the pulp accumulated or adhered to their outer walls is blocked and falls onto the conveyor belt below the discharge port 103. Due to the sliding of the push plate 108, the connecting rod 106 and the upper partition plate 104 are driven to move at the same time. The upper partition plate 104 slides into the interior of the discharge tube 102. When the lower partition plate 111 slides out of the discharge port 103, the upper partition plate 104 forms a barrier inside the discharge tube 102 to prevent the pulp from still falling from above when the sieve plate 112 discharges the material. Similarly, when the lower partition plate 111 slides into the interior of the discharge port 103, the upper partition plate 104 will slide out of the interior of the discharge tube 102, and the pulp accumulated on the upper partition plate 104 will also be blocked and fall during the sliding process. The utility model relieves the impact force of the falling pulp through the upper partition plate 104 and the lower partition plate 111, avoids the pulp from splashing everywhere directly on the conveyor belt due to the height difference, thus keeping the processing environment clean, reducing material waste, and at the same time being able to filter and collect a certain amount of moisture in the pulp to avoid the moisture flowing to the conveyor rack and causing corrosion.

[0023] The working principle of the present utility model is as follows: When the filter cake 101 transfers the pulp inside the pulp washing tank 1 to the discharge cylinder 102, the agglomerated pulp is chopped and split by the slicer 110, and then falls on the sieve plate 112 of the lower partition plate 111. The water in the pulp seeps into the water tank 113 due to the impact of the fall, and flows into the water pipe 109 through the slope of the water tank 113 and is discharged. When the pulp accumulates to a certain extent, the servo cylinder 105 is started. The servo cylinder 105 pulls the push plate 108, and the push plate 108 drives the connecting plate 107 to move. The connecting plate 107 pulls the lower partition plate 111 out of the discharge port 103 and pulls the slicer 110 out of the discharge cylinder 102. When the lower partition plate 111 and the slicer 110 slide, since their outer walls are in contact with the discharge cylinder 102 and the discharge port 103, the pulp accumulated or adhered to their outer walls is blocked and falls on the conveyor belt below the discharge port 103. And due to the sliding of the push plate 108, the connecting rod 106 and the upper partition plate 104 are driven to move at the same time. The upper partition plate 104 slides into the inside of the discharge cylinder 102. When the lower partition plate 111 slides out of the discharge port 103, the upper partition plate 104 forms a partition inside the discharge cylinder 102 to prevent the pulp from still falling from above when the sieve plate 112 discharges the material. Similarly, when the lower partition plate 111 slides into the inside of the discharge port 103, the upper partition plate 104 will slide out of the inside of the discharge cylinder 102, and the pulp accumulated on the upper partition plate 104 will also be blocked and fall during the sliding process.

[0024] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present utility model, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present utility model. The structures, devices, and operation methods not specifically described and explained in the present utility model are implemented according to the conventional means in the art without special explanation and limitation.

Claims

1. A paper pretreatment device, comprising a discharge cylinder (102) fixedly arranged on one side of a pulp washing tank (1), characterized in that: The bottom of the discharging barrel (102) is connected with a discharging port (103), one side of the discharging barrel (102) is slidably connected with an upper partition (104), both sides of the upper partition (104) are fixedly connected with connecting rods (106), a connecting plate (107) is slidably provided on the outer side of the discharging barrel (102), one side of the connecting plate (107) is fixedly connected with a push plate (108), the connecting rod (106) is fixedly connected to the push plate (108), the inside of the discharging port (103) and located at the A lower partition (111) is slidably arranged below the upper partition (104); one end of the lower partition (111) is fixedly connected to the connecting plate (107); a sieve plate (112) is fixedly connected to the middle of the lower partition (111); a water trough (113) is provided at the bottom of the lower partition (111) and below the sieve plate (112); the water trough (113) is arranged as an inclined slope; a water pipe (109) is fixedly assembled at one end of the water trough (113) and located on one side of the discharge port (103).

2. A paper pre-processing device according to claim 1, characterized in that: The opening circumference of the bottom of the discharge port (103) is smaller than that of the top.

3. A paper pre-processing device according to claim 1, characterized in that: The discharge cylinder (102) is slidably connected to the connecting rod (106).

4. A paper pre-processing device according to claim 1, characterized in that: Slices (110) are slidably arranged at equal distances inside the discharge cylinder (102) and above the upper partition plate (104).

5. A paper pre-processing device according to claim 1, characterized in that: One end of the slice (110) is fixedly connected to the connecting plate (107).

6. A paper pre-processing device according to claim 1, characterized in that: A servo electric cylinder (105) is transmission-assembled on one side of the push plate (108), and a filter cake (101) is rotationally assembled on the top of the pulp washing tank (1).

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