Paper pulp filtering equipment for kraft board paper processing

Abstract

The utility model discloses paper pulp filtering equipment for kraft board paper processing. The paper pulp filtering equipment comprises a water tank, a filtering mechanism and a storage tank, the filtering mechanism comprises a first rotating shaft, a second rotating shaft, filtering cloth and a draining roller; storage boxes are horizontally and fixedly arranged on the two sides of the water tank correspondingly, a first rotating shaft and a second rotating shaft are horizontally and rotatably arranged in openings of the two storage boxes correspondingly, and the two ends of filter cloth located above the opening of the water tank are wound around the first rotating shaft and the second rotating shaft correspondingly. And water filtering plates are horizontally and fixedly arranged in the two storage boxes located below the first rotating shaft and the second rotating shaft correspondingly, and a row of draining rollers capable of abutting against the water filtering plates are arranged in the two storage boxes located between the first rotating shaft and the water filtering plates and between the second rotating shaft and the water filtering plates at intervals in a horizontally liftable mode correspondingly.

Description

TECHNICAL FIELD

[0001] The utility model relates to paper pulp filtering technical field, specifically, relate to a kind of kraft boxboard paper processing paper pulp filtering equipment. BACKGROUND

[0002] Kraft boxboard is also called kraft paper or face hanging paperboard, and paper pulp filtering is needed in the production process of kraft boxboard. Paper pulp filtering refers to separating pulp water into water and pulp through a filter screen, and collecting the separated pulp.

[0003] After searching: Chinese patent application No. "CN202122520128.9" discloses a kraft boxboard paper processing paper pulp filtering equipment, which includes a base, a water tank, a storage tank, a filter, a motor, a connecting plate, an electric push rod, and a scraper. The water tank is installed on one side of the top of the base, the storage tank is placed on the other side of the top of the base, the filter is pressed onto the top opening of the water tank, the motor is installed on one side of the water tank and above the storage tank, and the output shaft of the motor is installed with the connecting plate. The utility model separates water and pulp through the filter, and then the filter is turned to a vertical state by the motor. The pulp in the filter falls into the storage tank, and the scraper is driven by the electric push rod to brush the surface of the filter screen to clean the filter screen.

[0004] The inventor found the following problems in the prior art during the implementation of the utility model:

[0005] During use, the filter needs to be turned to a vertical state to clean the surface of the filter screen, which prevents continuous operation of the filter and reduces work efficiency.

[0006] Therefore, it is urgent to provide a kraft boxboard paper processing paper pulp filtering equipment that can continuously filter paper pulp during use, improve work efficiency, and fully drain water from pulp during filtering to improve filtering effect. UTILITY MODEL CONTENTS

[0007] To solve the above technical problems, the utility model aims to overcome the problem that the filter needs to be turned to a vertical state to clean the surface of the filter screen during use, which prevents continuous operation of the filter and reduces work efficiency. Therefore, a kraft boxboard paper processing paper pulp filtering equipment is provided, which can continuously filter paper pulp during use, improve work efficiency, and fully drain water from pulp during filtering to improve filtering effect.

[0008] In order to achieve the above object, the utility model provides a kind of cowhide boxboard paper processing paper pulp filtering equipment, the equipment includes: water tank, filtering mechanism and storage tank;

[0009] The filtering mechanism includes: a rotating shaft, a second rotating shaft, filter cloth and draining roller;Wherein,

[0010] The two sides of the water tank are respectively horizontally fixedly provided with storage tanks, and a rotating shaft and a second rotating shaft are respectively horizontally and rotatably arranged in the open ends of the two storage tanks, the two ends of the filter cloth in horizontal state and above the open end of the water tank are wound on the rotating shaft and the second rotating shaft, filter plates are respectively horizontally fixedly arranged in the two storage tanks below the rotating shaft and the second rotating shaft, a row of draining rollers capable of abutting on the filter plates are respectively spaced and horizontally and liftably arranged in the two storage tanks between the rotating shaft, the second rotating shaft and the filter plates, and the side wall of each storage tank below the filter plate is horizontally and throughly provided with a water inlet connected with the inside of the water tank.

[0011] Preferably, the equipment further comprises a driving mechanism for driving the draining roller to lift in vertical direction, the driving mechanism comprising: a lifting plate, a guide rod, a return spring and an electric telescopic rod;Wherein,

[0012] The inner part of the two sides of the inner wall of each storage tank below the rotating shaft or the second rotating shaft is respectively partially recessed to form an assembly groove, and at least two guide rods are spaced and vertically fixedly arranged in each assembly groove, and a lifting plate is horizontally and liftably sleeved on the two guide rods, and a row of draining rollers are horizontally and fixedly arranged between the two lifting plates, and the bottom end of each guide rod is sleeved with a return spring, and the two ends of each return spring are fixedly arranged on the assembly groove and the lifting plate, and the side wall of each storage tank is vertically fixedly provided with an electric telescopic rod whose telescopic end can abut on the lifting plate below.

[0013] Preferably, the rotating shaft and the second rotating shaft are respectively spaced and coaxially fixedly provided with two limiting discs for limiting the filter cloth.

[0014] Preferably, the equipment further comprises a cleaning assembly, the cleaning assembly comprising: a base, a guide slide plate, a support rod and a brush plate;Wherein,

[0015] Two bases are horizontally and fixedly arranged on two storage boxes beside the first rotating shaft and the second rotating shaft, a guide sliding plate is horizontally and movably arranged in each base, a plurality of supporting rods capable of extending out of the base are equidistantly and fixedly arranged on the guide sliding plate, end portions of all the supporting rods are fixedly connected with brush plates capable of abutting on the first rotating shaft or the second rotating shaft, a plurality of flexible brushes are arranged on the brush plates towards the first rotating shaft or the second rotating shaft, a plurality of tension springs are equidistantly and fixedly arranged on the guide sliding plate away from the supporting rods, and the other ends of the tension springs are fixed on the base.

[0016] Preferably, a drain pipe is horizontally and fixedly arranged at the bottom end of the water tank and is communicated with the inside of the water tank, and a switch valve is fixedly arranged on the drain pipe.

[0017] Preferably, the electric telescopic rod is a servo cylinder or a pneumatic cylinder.

[0018] Preferably, the device further comprises a transmission mechanism for driving the first rotating shaft and the second rotating shaft to rotate, the transmission mechanism comprises a chain, a chain wheel and a motor, and the chain is arranged on the first rotating shaft and the second rotating shaft, the chain wheel is coaxially fixed to the first rotating shaft and the second rotating shaft, and the motor is horizontally fixed on the storage box and is coaxially connected with the second rotating shaft through a shaft coupling.

[0019] The first rotating shaft and the second rotating shaft are coaxially fixed with chain wheels at the same end and are connected together through a chain, and any end of the second rotating shaft is coaxially connected with a motor fixed on the storage box through a shaft coupling.

[0020] According to the above technical scheme, the kraft box board paper processing pulp filtering device has the following beneficial effects in use:

[0021] (1) in use, the pulp water is filtered through the filter mechanism, and the filtered water is stored in the water tank through the filter mechanism, and the pulp in the pulp water is blocked by the filter cloth in the filter mechanism and falls on the filter cloth, when the pulp on the filter cloth accumulates to a certain extent, the first rotating shaft and the second rotating shaft are synchronously driven to rotate counterclockwise, so that the first rotating shaft winds the filter cloth and the second rotating shaft unwinds the filter cloth, and in this process, the pulp water falling on the filter cloth moves from the opening of the water tank to the position of the first rotating shaft and falls on the filter plate in the storage tank, when the first rotating shaft winds the filter cloth to a certain length, the winding operation is stopped, and the first rotating shaft and the second rotating shaft are synchronously driven to rotate clockwise, so that the second rotating shaft winds the filter cloth and the first rotating shaft unwinds, and when the second rotating shaft winds the filter cloth to the same length as the first rotating shaft, the winding is stopped, then the first rotating shaft and the second rotating shaft are synchronously driven to rotate counterclockwise, and the above operation is repeated, so that the first rotating shaft and the second rotating shaft alternately wind, and the first rotating shaft and the second rotating shaft can replace the filter cloth at the opening of the water tank during synchronous rotation, and the pulp blocked on the filter cloth can be dropped from the first rotating shaft or the second rotating shaft to the storage tank to clean the pulp on the filter cloth. The filter mechanism can realize continuous filtering without stopping for cleaning during use, thereby improving the processing efficiency.

[0022] (2) in the process of filtering, the water draining rollers are driven to descend to press the pulp falling on the filter plate, so that the water stored in the pulp is drained through the filter holes on the filter plate, enters the bottom of the storage tank, and finally enters the water tank through the water inlet, so that the water stored in the pulp is fully squeezed out, thereby improving the filtering effect.

[0023] In summary, the filter mechanism can continuously filter the pulp, improve the working efficiency, and realize self-cleaning function during filtering, and fully drain the water in the pulp, thereby improving the filtering effect.

[0024] Other features and advantages of the present application will be described in detail in the following specific embodiments; and the parts not involved in the present application are the same as or can be realized by the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0025] The accompanying drawings are used to provide further understanding of the present application and constitute a part of the specification, and together with the following specific embodiments, serve to explain the present application but do not constitute a limitation on the present application. In the drawings:

[0026] Figure 1 is a structural schematic view of the paper pulp filtering equipment for cowhide boxboard paper processing provided in a preferred embodiment of the present application;

[0027] Figure 2 is a structural schematic view of the internal structure of the paper pulp filtering equipment for cowhide boxboard paper processing provided in a preferred embodiment of the present application;

[0028] Figure 3 is a structural schematic view of the filtering mechanism of the paper pulp filtering equipment for cowhide boxboard paper processing provided in a preferred embodiment of the present application;

[0029] Figure 4 is a structural schematic view of the cleaning assembly of the paper pulp filtering equipment for cowhide boxboard paper processing provided in a preferred embodiment of the present application;

[0030] Figure 5 is Figure 4 a structural sectional view.

[0031] Explanation of reference signs

[0032] 1, water tank; 2, filtering mechanism; 201, No. 1 rotating shaft; 202, No. 2 rotating shaft; 203, filter cloth; 204, water draining roller; 3, storage tank; 4, cleaning assembly; 401, base; 402, guide sliding plate; 403, supporting rod; 404, brush plate; 5, water filtering plate; 6, water inlet; 7, lifting plate; 8, guide rod; 9, return spring; 10, electric telescopic rod; 11, drain pipe; 12, limiting disc; 13, transmission mechanism; 14, tension spring. DETAILED DESCRIPTION

[0033] The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present application, and are not used to limit the present application.

[0034] As shown in Figures 1-5 , the paper pulp filtering equipment for cowhide boxboard paper processing provided by the present application comprises a water tank 1, a filtering mechanism 2 and a storage tank 3;

[0035] The filtering mechanism 2 comprises a No. 1 rotating shaft 201, a No. 2 rotating shaft 202, a filter cloth 203 and a water draining roller 204; wherein,

[0036] Two storage boxes 3 are horizontally fixed on both sides of the water tank 1, and a first rotating shaft 201 and a second rotating shaft 202 are horizontally and rotatably arranged in the openings of the two storage boxes 3 respectively, the two ends of the filter cloth 203 in the horizontal state and above the opening of the water tank 1 are wound around the first rotating shaft 201 and the second rotating shaft 202 respectively, the filter plate 5 is horizontally fixed in each of the two storage boxes 3 below the first rotating shaft 201 and the second rotating shaft 202, a row of water draining rollers 204 capable of abutting against the filter plate 5 are horizontally and liftably arranged in each of the two storage boxes 3 between the first rotating shaft 201, the second rotating shaft 202 and the filter plate 5, and the sidewall of each of the storage boxes 3 below the filter plate 5 is horizontally and throughly provided with a water inlet 6 communicating with the inside of the water tank 1.

[0037] In the above scheme, a plurality of water filtering holes are uniformly and vertically throughly provided on the filter plate 5, so that the water in the slurry flows into the bottom of the storage box 1 through the water filtering holes and finally enters the storage box 3 through the water inlet.

[0038] In use, the slurry water is filtered by the filtering mechanism 2, and the filtered water passes through the filtering mechanism 2 and is stored in the water tank 1, and the slurry in the slurry water is blocked by the filter cloth 203 in the filtering mechanism 2 and falls on the filter cloth 203; when the slurry on the filter cloth 203 accumulates to a certain extent, the first rotating shaft 201 and the second rotating shaft 202 are synchronously driven to rotate counterclockwise, so that the first rotating shaft 201 winds the filter cloth 203, and the second rotating shaft 202 unwinds the filter cloth 203; in this process, the slurry water falling on the filter cloth 203 moves from the opening of the water tank 1 to the position of the first rotating shaft 201 and falls from the first rotating shaft 201 to the filter plate 5 in the storage tank 3; when the first rotating shaft 201 winds the filter cloth 203 to a certain length, the winding operation is stopped, and the first rotating shaft 201 and the second rotating shaft 202 are synchronously driven to rotate clockwise, so that the second rotating shaft 202 winds the filter cloth 203 and the first rotating shaft 201 unwinds; when the second rotating shaft 202 winds the filter cloth 203 to the same length as the first rotating shaft 202 winds the filter cloth 203, the winding is stopped, and the first rotating shaft 201 and the second rotating shaft 202 are synchronously driven to rotate counterclockwise, and the above operation is repeated, so that the first rotating shaft 201 and the second rotating shaft 202 alternately wind; in the process of synchronous rotation, the filter cloth 203 located at the opening of the water tank 1 can be replaced, and the slurry blocked on the filter cloth 203 can be dropped from the first rotating shaft 201 or the second rotating shaft 202 to the storage tank 3 to clean the filter cloth 203; during use, the filtering mechanism 4 can realize continuous filtering without stopping to clean the filter cloth 203, thereby improving the processing efficiency.

[0039] In the filtering process, the water rollers 203 are driven to descend to press the slurry falling on the filter plate 5, so that the water stored in the slurry is drained through the water filter holes on the filter plate 5, enters the bottom of the storage tank 3, and finally enters the water tank 1 through the water inlet 6, so that the water stored in the slurry is fully squeezed out, thereby improving the filtering effect.

[0040] In a preferred embodiment of the present application, the device further comprises a driving mechanism for driving the water rollers 204 to ascend and descend in the vertical direction, the driving mechanism comprising a lifting plate 7, a guide rod 8, a return spring 9 and an electric telescopic rod 10; wherein,

[0041] The inner part of the two sides of the inner wall of each storage box 3 located below the first rotating shaft 201 or the second rotating shaft 202 is recessed inward to form an assembly groove, at least two guide rods 8 are vertically and fixedly arranged in each assembly groove, a lifting plate 7 is horizontally and liftably sleeved on the two guide rods 8, a row of water draining rollers 204 are horizontally and fixedly arranged between the two lifting plates 7, a reset spring 9 is sleeved at the bottom end of each guide rod 8, and the two ends of each reset spring 9 are fixedly arranged on the assembly groove and the lifting plate 7, respectively, and the side wall of each storage box 3 is vertically and fixedly provided with an electric telescopic rod 10 whose telescopic end can abut against the lifting plate 7 below.

[0042] In the above scheme, when the slurry falling from the filtering mechanism 4 into the storage box 3 can fall between two adjacent water draining rollers 204 and fall on the water filtering plate 5, the electric telescopic rod 10 can be driven to make its telescopic end push the lifting plate 7 below to descend in the vertical direction on the guide rod 8 and compress the reset spring 9, so that a row of water draining rollers 204 between the two lifting plates 7 can descend together to make the water draining rollers 204 abut against the water filtering plate 5 to extrude the slurry falling on the water filtering plate 5, so that the water in the slurry is extruded and passes through the water filtering plate 5 to enter the water tank 1 through the water inlet 6.

[0043] In addition, the two ends of each water draining roller 204 are horizontally and rotatably arranged on the two lifting plates 7, so that each water draining roller 204 can rotate to make the water draining roller 204 rotate under the impact force of the slurry falling on it when the slurry falling from the filtering mechanism 4 into the storage box 3 falls on the water draining roller 204, so that the slurry falling on it can fall smoothly from the rotating water draining roller 204 on the water filtering plate 5, thereby facilitating the slurry to fall on the water filtering plate 5.

[0044] In addition, the side wall of each storage box 3 can also be fixedly provided with a vibrator, which can make the slurry falling on the water draining roller 204 fall on the water filtering plate 5 again, and can also make the slurry falling on the water filtering plate 5 be evenly distributed, so that a row of water draining rollers 204 can extrude and drain water from the slurry falling on the water filtering plate 5, thereby improving the water draining effect.

[0045] In a preferred embodiment of the present application, the first rotating shaft 201 and the second rotating shaft 202 are respectively and coaxially fixedly provided with two limiting plates 12 for limiting the filter cloth 203.

[0046] In the above scheme, in case that the filter cloth 203 deviates during the winding and unwinding of the filter cloth 203 by the first rotating shaft 201 and the second rotating shaft 202, the use effect is affected.

[0047] In a preferred embodiment of the present application, the device further comprises a cleaning assembly 4, which comprises a base 401, a guide sliding plate 402, a supporting rod 403 and a brush plate 404.

[0048] A base 401 is horizontally and fixedly arranged on each of the two storage boxes 3 beside the first rotating shaft 201 and the second rotating shaft 202, and a guide sliding plate 402 is horizontally and movably arranged in each base 401.

[0049] In the above scheme, the tension spring 14 plays a tensioning role, so that the brush plate 404 can be abutted on the filter cloth 203 wound on the first rotating shaft 201 or the second rotating shaft 202 during the winding of the filter cloth 203, so that the pulp on the filter cloth 203 can be cleaned during the rotation of the first rotating shaft 201 or the second rotating shaft 202 for winding the filter cloth 203.

[0050] Therefore, the filter cloth 203 wound on the first rotating shaft 201 or the second rotating shaft 202 can be cleaned by the cleaning assembly 4, so that the pulp remaining on the filter cloth 203 is prevented.

[0051] In a preferred embodiment of the present application, a drain pipe 11 is horizontally and fixedly arranged at the bottom end of the water tank 1 and communicates with the inside of the water tank 1, and a switch valve is fixedly arranged on the drain pipe 11.

[0052] In the above scheme, the water collected in the water tank 1 can be drained through the drain pipe 11, and the switch valve is used to control the communication or isolation between the drain pipe 11 and the inside of the water tank 1.

[0053] In a preferred embodiment of the present application, the electric telescopic rod 10 is a servo cylinder or a pneumatic cylinder.

[0054] In the above scheme, the servo cylinder and the cylinder are prior art technical means, therefore, the specific structure and use principle will not be repeated here.

[0055] In a preferred embodiment of the utility model, the device further comprises a transmission mechanism 13 for driving the rotation of the first rotating shaft 201 and the second rotating shaft 202; the transmission mechanism 13 comprises a chain, a sprocket and a motor; wherein,

[0056] The same end of the first rotating shaft 201 and the second rotating shaft 202 respectively passes out from the inside of the storage box 3 and is coaxially fixedly provided with a sprocket, and the two sprockets are connected together through a chain transmission, and any one end of the second rotating shaft 202 is coaxially connected together with the motor horizontally fixed on the storage box 3 through a shaft coupling.

[0057] In the above scheme, the motor is started, and under the cooperation of the chain and the sprocket, the first rotating shaft 201 and the second rotating shaft 202 can be driven to rotate clockwise or counterclockwise synchronously.

[0058] In conclusion, the kraft box board paper processing pulp filtering equipment provided by the utility model overcomes the problem in the prior art that the filter needs to be stopped and turned to the vertical state to clean the filter screen surface during use, so that the filter cannot work continuously and the work efficiency is reduced.

[0059] The preferred embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the specific details in the above embodiments, and various simple modifications can be made to the technical solutions of the utility model within the technical concept of the utility model, and these simple modifications all belong to the protection scope of the utility model.

[0060] In addition, it should be noted that various specific technical features described in the above specific embodiments can be combined in any appropriate manner without contradiction, and in order to avoid unnecessary repetition, the utility model will not further describe various possible combination manners.

[0061] In addition, various different embodiments of the utility model can also be combined arbitrarily, as long as they do not deviate from the idea of the utility model, and they should also be considered as disclosed by the utility model.

Claims

1. A kraft linerboard converting pulp filtration apparatus, characterized by, The device comprises a water tank (1), a filtering mechanism (2) and a storage tank (3); The filtering mechanism (2) comprises a first rotating shaft (201), a second rotating shaft (202), a filter cloth (203) and a draining roller (204); wherein, Two storage tanks (3) are horizontally and fixedly arranged on the two sides of the water tank (1), and a first rotating shaft (201) and a second rotating shaft (202) are horizontally and rotatably arranged in the openings of the two storage tanks (3), respectively. The two ends of the filter cloth (203) in a horizontal state and above the opening of the water tank (1) are wound around the first rotating shaft (201) and the second rotating shaft (202), respectively. A filter plate (5) is fixedly arranged horizontally in each of the two storage tanks (3) below the first rotating shaft (201) and the second rotating shaft (202). A row of draining rollers (204) capable of abutting against the filter plate (5) are arranged in each of the two storage tanks (3) between the first rotating shaft (201), the second rotating shaft (202) and the filter plate (5) and can be lifted horizontally. A water inlet (6) connected to the inside of the water tank (1) is horizontally and throughly arranged on the side wall of each of the storage tanks (3) below the filter plate (5).

2. The kraft boxboard process paper pulp filtering apparatus according to claim 1, characterized in that, The device further comprises a driving mechanism for driving the draining rollers (204) to lift in the vertical direction, which comprises a lifting plate (7), a guide rod (8), a reset spring (9) and an electric telescopic rod (10); wherein, The inner part of the two sides of the inner wall of each of the storage tanks (3) below the first rotating shaft (201) or the second rotating shaft (202) is recessed inward to form an assembly groove, and at least two guide rods (8) are vertically and fixedly arranged in each assembly groove. A lifting plate (7) is horizontally and liftably sleeved on the two guide rods (8), and a row of draining rollers (204) are horizontally and fixedly arranged between the two lifting plates (7). A reset spring (9) is sleeved on the bottom end of each guide rod (8), and the two ends of each reset spring (9) are fixedly arranged on the assembly groove and the lifting plate (7), respectively. An electric telescopic rod (10) is vertically and fixedly arranged on the side wall of each storage tank (3), and the telescopic end of the electric telescopic rod (10) can abut against the lifting plate (7) below.

3. The kraft boxboard paper process pulp filtering apparatus according to claim 1, characterized in that, The first rotating shaft (201) and the second rotating shaft (202) are coaxially and fixedly arranged with two limiting discs (12) for limiting the filter cloth (203).

4. The kraft boxboard process paper pulp filtering apparatus according to claim 1, characterized in that, The device further comprises a cleaning assembly (4), which comprises a base (401), a guide sliding plate (402), a support rod (403) and a brush plate (404); wherein, Two storage boxes (3) beside the first rotating shaft (201) and the second rotating shaft (202) are respectively provided with a base (401) fixed horizontally, and each base (401) is provided with a guide slide plate (402) movably arranged horizontally, a plurality of support rods (403) capable of extending from the base (401) are fixedly arranged on the guide slide plate (402) at equal intervals, and the ends of all the support rods (403) are fixedly connected with a brush plate (404) capable of abutting on the first rotating shaft (201) or the second rotating shaft (202), a plurality of flexible brushes are arranged on the brush plate (404) facing the first rotating shaft (201) or the second rotating shaft (202), a plurality of tension springs (14) are fixedly arranged on the guide slide plate (402) opposite to the support rods (403) at equal intervals, and the other ends of the tension springs (14) are fixed on the base (401).

5. The kraft boxboard paper process pulp filtering apparatus as claimed in claim 1, wherein, The water tank (1) is provided with a drain pipe (11) fixed horizontally at the bottom end and communicating with the inside of the water tank (1), and the drain pipe (11) is provided with a switch valve.

6. The kraft boxboard process paper pulp filtering apparatus according to claim 2, wherein, The electric telescopic rod (10) is a servo electric cylinder or a pneumatic cylinder.

7. The kraft boxboard paper process pulp filtering apparatus according to claim 1, wherein, The device further comprises a transmission mechanism (13) for driving the first rotating shaft (201) and the second rotating shaft (202) to rotate, the transmission mechanism (13) comprises a chain, a sprocket and a motor, wherein, The same end of the first rotating shaft (201) and the second rotating shaft (202) respectively penetrates the inside of the storage box (3) and is provided with a sprocket coaxially and fixedly, and the two sprockets are connected together through a chain, and any end of the second rotating shaft (202) is coaxially connected together with a motor fixed horizontally on the storage box (3) through a shaft coupling.

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