CN219051607U

CN219051607U - Papermaking waste treatment system

Info

Publication number: CN219051607U
Application number: CN202223333013.XU
Authority: CN
Inventors: 孙善坤; 陈俊萍; 王震
Original assignee: Taishan Gypsum Co Ltd
Current assignee: Taishan Gypsum Co Ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-05-23
Anticipated expiration: 2032-12-13

Abstract

The application discloses a papermaking waste treatment system, which comprises a light-heavy separation device, a feeding pretreatment device and a paper-plastic separation device which are connected in sequence; the light-weight separation device comprises a vibrating screening machine and a first conveyor for conveying waste plastic raw materials to the vibrating screening machine, and the vibrating screening machine is used for separating light materials from heavy materials; the feeding pretreatment device comprises a double-shaft shredder and a second conveyor, wherein the second conveyor is used for receiving and conveying light materials to the double-shaft shredder, and the double-shaft shredder is used for shearing, tearing and extruding the light materials; the paper-plastic separating device comprises a paper-plastic separating machine and a third conveyor, wherein the third conveyor is used for receiving the crushed materials and conveying the crushed materials to the paper-plastic separating machine, and the paper-plastic separating machine is used for separating the crushed materials from paper-plastic. By adopting the processing system arranged in the mode, the waste plastic composite material can be recycled, the labor intensity is greatly reduced, and the production efficiency is improved.

Description

Papermaking waste treatment system

Technical Field

The application relates to the technical field of papermaking waste treatment, in particular to a papermaking waste treatment system.

Background

With the high-speed development of economy in China, most packaging materials are made of paper-plastic composite materials, and the packaging materials have excellent chemical stability, corrosion resistance, electrical insulation, heat insulation, shock absorption, noise reduction and sound insulation effects, have good elasticity, can be well bonded with other materials such as metal, glass, wood and the like, are easy to process and form, and are widely applied to various fields. However, the material is not easy to rot after being used or consumed, and is accumulated in the daily life, so that the ecological environment is seriously influenced.

At present, waste in paper mill is mainly waste plastics, the waste plastics are discharged in a winding form, and the waste plastics are similar to a twisted rope, and because the twisted ropes are wound together, the twisted rope has a large volume, and the stacked waste plastics occupy a large area and are difficult to store, pollute the environment and are difficult to treat. In addition, other garbage heavy objects such as bricks, massive metals and the like are arranged in the waste plastics, the materials cannot be directly shredded, granulated or incinerated, and the waste plastics can be effectively utilized only by separating the waste plastics. The existing production system can only rely on manual sorting to separate light materials from heavy materials, so that human resource waste is caused, the material yield is low, and the production efficiency is low.

Therefore, how to design a papermaking waste treatment system capable of reducing the labor intensity and improving the production efficiency is a technical problem to be solved by those skilled in the art.

Disclosure of Invention

The utility model aims at providing a papermaking waste treatment system, this system can be through the light and heavy separator, material loading preprocessing device, the paper-plastic separation device who connects gradually, realizes waste plastic composite's recycle, greatly reduced artifical intensity of labour, improvement production efficiency.

In order to achieve the above purpose, the application provides a papermaking waste treatment system, which comprises a light-heavy separation device, a feeding pretreatment device and a paper-plastic separation device which are connected in sequence;

the light-heavy separation device comprises a vibrating screening machine and a first conveyor for conveying waste plastic raw materials to the vibrating screening machine, the vibrating screening machine is used for separating light materials from heavy materials, and the separated light materials enter the feeding pretreatment device;

the feeding pretreatment device comprises a double-shaft shredder and a second conveyor, wherein the second conveyor is used for receiving the light materials and conveying the light materials to the double-shaft shredder, the double-shaft shredder is used for shearing, tearing and extruding the light materials, and the crushed materials after the double-shaft shredder is operated enter the paper-plastic separation device;

the paper-plastic separation device comprises a paper-plastic separation machine and a third conveyor, wherein the third conveyor is used for receiving the crushed materials and conveying the crushed materials to the paper-plastic separation machine, and the paper-plastic separation machine is used for carrying out paper-plastic separation on the crushed materials.

Preferably, the vibratory screening machine includes:

a base for a load bearing member of the vibratory screening machine;

the shell is hinged with the base, a feed inlet is formed in the upper end face of the shell, and a heavy object discharge hole and a light object discharge hole are formed in two sides of the lower end face of the shell;

the angle adjusting plate is positioned on the non-hinged end of the shell and is used for adjusting the inclination angle of the shell relative to the base;

the steel plate screen is positioned in the shell and used for receiving the materials of the feeding hole, discharging the heavy materials from the heavy material discharging hole through vibration and discharging the light materials from the light material discharging hole;

and the eccentric structure is arranged on the outer wall of the shell and is used for providing a reciprocating vibration effect for the screen surface of the steel plate screen.

Preferably, the eccentric structure comprises a gear motor and a transmission shaft connected with the power end of the gear motor, the transmission shaft is rotationally arranged on the shell through a bearing, a main shaft is arranged at the end part of the transmission shaft, which is away from the gear motor, and is not coaxially arranged with the transmission shaft, the main shaft is used for propping against the screen surface of the steel plate screen, and the main shaft which rotates is used for driving the screen surface to do reciprocating motion.

Preferably, the inclination angle range of the shell relative to the base is adjusted to be 0-18 degrees by the angle adjusting plate, and the aperture of the steel plate screen is 20mm.

Preferably, the light-heavy separation device further comprises a feeding device and a refiner, wherein the feeding device is used for discharging the waste plastic raw materials on the first conveyor, and the refiner is positioned above the inclined section of the first conveyor and is used for uniformly distributing the waste plastic raw materials on the first conveyor.

Preferably, the dual shaft shredder comprises:

the tool box is used for receiving the light materials;

the movable cutters are rotationally arranged in the cutter box through rotating shafts, the number of the rotating shafts is two, and cutting edges of adjacent cutter faces of the two movable cutters, which are adjacent to the two rotating shafts, form cutting;

the spacer bush is sleeved on the periphery of the rotating shaft, and the cutter point of the moving cutter and the cylindrical surface of the spacer bush on the same rotating shaft form shearing;

the fixed knife is used for removing winding materials on the movable knife;

and the power piece provides rotating power for the two rotating shafts.

Preferably, the power piece comprises a motor and a speed reducer connected with the motor, and the speed reducer is connected with the rotating shaft.

Preferably, the paper-plastic separator comprises:

the machine body is in cylindrical hollow arrangement, a material inlet for receiving the crushed material and a pulp channel for discharging paper pulp are arranged at the bottom of the machine body, and a material outlet is arranged at the top of the machine body;

the separation shaft penetrates through the machine body in the axial direction and is rotatably arranged in the machine body, and two ends of the separation shaft are rotatably connected with the machine body through bearing seats;

the separating blades are positioned in the machine body, are arranged on the periphery of the separating shaft, are uniformly distributed along the periphery of the separating shaft to form separating blade groups, and are uniformly distributed along the axial direction of the separating shaft;

the filter screen is positioned between the inner wall of the machine body and the separating knife, surrounds the periphery of the separating shaft and is used for wrapping the separating shaft and the separating knife;

the washing device is positioned outside the machine body and comprises a water supply channel and a plurality of branch pipelines connected between the water supply channel and the inner cavity of the machine body, and the plurality of branch pipelines are used for continuously cleaning the filter screen;

the transmission part is positioned at the outer side of the machine body and used for driving the separation shaft to rotate.

Preferably, the distance between the separation shaft and the filter screen is greater than 100mm.

Preferably, the transmission piece comprises a driving motor and a transmission belt connected with the driving motor and the separation shaft, and a sealing structure is arranged at the joint of the separation shaft and the machine body.

Compared with the background art, the application provides a papermaking waste treatment system, which is sequentially connected with a light-heavy separation device, a feeding pretreatment device and a paper-plastic separation device, so that the recycling of waste plastic composite materials is realized. Specifically, a vibration screening machine in the light-heavy separation device screens metal weights in materials through eccentric reciprocating motion, so that automatic continuity is realized, and production efficiency and yield are provided; the feeding pretreatment device effectively reduces the size of the materials and is convenient for conveying and separating; in the friction mechanism of the paper-plastic separation device, high-strength vortex rubbing circulation is generated through the synergistic effect of water and a filter screen, so that paper and plastic in fragments are rubbed and separated, and the separation efficiency is high; the system is an assembly line operation, the labor intensity of workers is low, the working efficiency is high, a large amount of filtered water can be recycled, and the water resource waste is low.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings may be obtained according to the provided drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic view of the overall arrangement of a papermaking waste treatment system according to an embodiment of the present disclosure;

FIG. 2 is a schematic diagram of a vibratory screening machine arrangement of a papermaking waste treatment system according to an embodiment of the present disclosure;

FIG. 3 is a schematic illustration of an eccentric configuration of a papermaking waste treatment system according to an embodiment of the present disclosure;

FIG. 4 is a schematic view of a dual-shaft shredder arrangement of a papermaking waste treatment system according to an embodiment of the present application;

FIG. 5 is a schematic view of a knife and spacer arrangement of a papermaking waste treatment system according to an embodiment of the present disclosure;

fig. 6 is a schematic diagram of an arrangement structure of a paper-plastic separator of a papermaking waste treatment system according to an embodiment of the present application.

In the figure: 1. the feeding device 2, the refiner 3, the first conveyor 4, the vibration screening machine 5, the second conveyor 6, the double-shaft shredder 7, the third conveyor 8, the paper-plastic separator 41, the base 42, the shell 43, the feeding port 44, the light-object discharging port 45, the heavy-object discharging port 46, the angle adjusting plate 47, the steel plate screen 48, the eccentric structure 481, the gear motor 482, the transmission shaft 483, the bearing 484, the main shaft 61, the cutter box 62, the movable cutter 63, the fixed cutter 64, the power piece 65, the spacer 66, the cooler 81, the driving motor 82, the transmission belt 83, the bearing seat 84, the separation shaft 85, the separation cutter 86, the washing device 87, the filter screen 88, the machine body 89, the material inlet 801, the material outlet 861 and the water supply channel.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

In order to better understand the aspects of the present application, a further detailed description of the present application will be provided below with reference to the accompanying drawings and detailed description.

As shown in fig. 1 to 6, in the present embodiment, a papermaking waste treatment system is provided, which includes a light-heavy separation device, a feeding pretreatment device and a paper-plastic separation device, which are sequentially connected, wherein a vibration screening machine 4 in the light-heavy separation device screens metal heavy objects in materials through eccentric reciprocating motion, so as to realize automatic continuity, and provide production efficiency and yield; the feeding pretreatment device effectively reduces the size of the materials and is convenient for conveying and separating; in the friction mechanism of the paper-plastic separation device, high-strength vortex rubbing circulation is generated through the synergistic effect of water and the filter screen 87, so that paper and plastic in fragments are rubbed and separated, and the separation efficiency is high.

Specifically speaking, the light-heavy separation device comprises a vibrating screening machine 4 and a first conveyor 3 for conveying waste plastic raw materials to the vibrating screening machine 4, wherein the first conveyor 3 is also provided with a feeding device 1 and a refiner 2, the feeding device 1 is used for discharging the waste plastic raw materials on the first conveyor 3, the refiner 2 is positioned above an inclined section of the first conveyor 3 and is used for uniformly distributing the waste plastic raw materials on the first conveyor 3, the phenomenon of clamping the vibrating screening machine 4 is prevented, and the materials uniformly and continuously enter the vibrating screening machine 4. The heavy materials such as large metal blocks and bricks of the vibration screening machine 4 are separated, the light materials such as plastics and paper sheets enter the feeding pretreatment device, and the heavy materials are separately treated after being screened out by the vibration screening machine 4, and of course, the treatment modes of the heavy materials are various and are not described in detail herein.

The vibration screen machine 4 includes: a base 41 for a load bearing member of vibratory screening machine 4; the shell 42 is hinged with the base 41, a feed inlet 43 is formed in the upper end face of the shell 42, and a heavy object discharge hole 45 and a light object discharge hole 44 are formed in two sides of the lower end face of the shell 42; an angle adjusting plate 46, which is provided at the non-hinge end of the housing 42, for adjusting the inclination angle of the housing 42 with respect to the base 41; a steel plate screen 47 positioned inside the housing 42 for receiving the material from the inlet 43 and discharging the heavy material from the heavy material outlet 45 and the light material from the light material outlet 44 by vibration; an eccentric structure 48 is provided on the outer wall of the housing 42 for providing a reciprocating vibratory effect to the screening surface of the steel screen 47.

The inclination angle between the angle adjusting plate 46 and the housing 42 relative to the base 41 ranges from 0 ° to 18 °, in this embodiment, the setting position of the angle adjusting plate 46 is 13.5 °, which can be set according to the actual production requirement, and the aperture of the steel plate screen 47 is 20mm, so as to facilitate the distinction between heavy materials and light materials.

In addition, the eccentric structure 48 includes a gear motor 481 and a driving shaft 482 connected to a power end of the gear motor 481, the driving shaft 480 is rotatably disposed on the housing 42 through a bearing 483, a main shaft 484 is disposed at an end of the driving shaft 482 facing away from the gear motor 481, and the main shaft 484 is disposed non-coaxially with the driving shaft 482, the main shaft 484 is used for abutting against a screen surface of the steel plate screen 47, and the rotating main shaft 484 is used for driving the screen surface to reciprocate.

Further, the vibration screening machine 4 is driven by the dual vibration speed reduction motors 481, when the two speed reduction motors 481 rotate synchronously, the main shaft 484 generates exciting force to drive the screen surface to reciprocate due to the fact that the transmission shaft 482 is not coaxial with the main shaft 484, so that materials are thrown up on the screen surface and simultaneously move forward linearly, the purpose of separating light and heavy materials is achieved, and of course, the frequency of the speed reduction motors 481 can be adjusted through the frequency converter according to different yields to meet production requirements.

To above-mentioned material loading preprocessing device, it includes biax shredder 6 and is used for receiving light material and carries its second conveyer 5 to biax shredder 6, and light material such as plastics, scraps of paper that have been handled through vibration screening machine 4 evenly get into biax shredder 6 in succession, reduce the material size through shearing, tearing, extrusion effect, also be suitable for to stranded rope class material, the crushed material after the operation of biax shredder 6 gets into paper-plastic separation device.

The double-shaft shredder 6 includes: a tool box 61 for receiving light materials; the movable blades 62 are rotatably arranged in the blade box 61 through rotating shafts, the number of the rotating shafts is two, and the cutting edges of the adjacent blade surfaces of the two movable blades 62 positioned adjacent to the two rotating shafts form shearing; the spacer bush 65 is sleeved on the periphery of the rotating shaft, and the cutter point of the movable cutter 62 forms shearing with the cylindrical surface of the spacer bush 65 on the same rotating shaft; a fixed knife 63 for removing the wound material on the movable knife 62; the power member 64 provides rotational power to the two shafts.

The power part 64 comprises a motor and a speed reducer connected with the motor, the speed reducer is connected with the rotating shafts, so that the rotating speeds of the two rotating shafts are different, and the cutter can tear materials; meanwhile, the rotating shaft lubricating oil is cooled by the cooler 66, so that equipment damage is prevented. The double-shaft shredder 6 is driven by a double-power piece 64, is automatically controlled by a PLC, and automatically reverses a rotating shaft when the load is overloaded, so that a motor is protected; in addition, the movable cutters 62 are distributed according to a spiral line, and are made of hard alloy, so that the high-efficiency cutting is realized, and the shock resistance is high.

For the paper-plastic separation device, the paper-plastic separation device comprises a paper-plastic separator 8 and a third conveyor 7 for receiving the crushed materials and conveying the crushed materials to the paper-plastic separator 8, wherein the paper-plastic separator 8 is used for separating the crushed materials from paper-plastic; specifically, the paper-plastic separator 8 includes: the machine body 88 is in a cylindrical hollow structure, a material inlet 89 for receiving crushed materials and a pulp channel for discharging pulp are arranged at the bottom of the machine body 88, and a material outlet 801 is arranged at the top of the machine body 88; the separation shaft 84 is arranged in a penetrating way along the axial direction of the machine body 88 and is rotatably arranged in the machine body 88, and two ends of the separation shaft 84 are rotatably connected with the machine body 88 through bearing seats 83; the separating blades 85 are positioned in the machine body 88 and are arranged on the periphery of the separating shaft 84, a plurality of separating blades 85 are uniformly distributed along the periphery of the separating shaft 84 to form separating blade groups, and a plurality of groups of separating blade groups are uniformly distributed along the axial direction of the separating shaft 84; the filter screen 87 is positioned between the inner wall of the machine body 88 and the separating knife 85, and surrounds the periphery of the separating shaft 84, and is used for wrapping the separating shaft 84 and the separating knife 85; the washing device 86 is positioned outside the machine body 88 and comprises a water supply channel and a plurality of branch pipes connected between the water supply channel 861 and the inner cavity of the machine body 88, and the plurality of branch pipes are used for continuously cleaning the filter screen 87 to prevent blockage; the transmission member is located outside the machine body 88 and is used for driving the separation shaft 84 to rotate.

Wherein the distance between the separation shaft 84 and the filter screen 87 is greater than 100mm; the transmission piece comprises a driving motor 81 and a transmission belt 82 connected with the driving motor 81 and a separation shaft 84, and a sealing structure is arranged at the joint of the separation shaft 84 and the machine body, and is sealed in a rubber quadruple mode, and the shaft end locking device is effectively waterproof and dustproof.

It should be noted that, the separating shaft 84 is axially provided with a separating knife 85 as a friction mechanism, a washing device 86 is arranged at the side of the machine body 88, paper-plastic composite material enters the machine body 88 from the material inlet 89, waste plastic clusters are dissociated under the action of the stepped separating knife 85 and washing water, so that plastics and paper pulp are thoroughly separated, the paper pulp is fully fluffed into fibers, the paper pulp is screened out through a filter screen 87 under the action of high-speed centrifugation and flows out from the material outlet 801, and separated plastic sheets are discharged from the material outlet 801.

It should be noted that in this specification relational terms such as first and second are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

Specific examples are set forth herein to illustrate the principles and embodiments of the present application, and the description of the examples above is only intended to assist in understanding the methods of the present application and their core ideas. It should be noted that it would be obvious to those skilled in the art that various improvements and modifications can be made to the present application without departing from the principles of the present application, and such improvements and modifications fall within the scope of the claims of the present application.

Claims

1. The papermaking waste treatment system is characterized by comprising a light-heavy separation device, a feeding pretreatment device and a paper-plastic separation device which are connected in sequence;

2. The papermaking waste treatment system as set forth in claim 1, wherein the vibratory screening machine includes:

a base for a load bearing member of the vibratory screening machine;

3. The papermaking waste treatment system according to claim 2, wherein the eccentric structure comprises a gear motor and a transmission shaft connected with a power end of the gear motor, the transmission shaft is rotatably arranged on the shell through a bearing, a main shaft is arranged at an end of the transmission shaft, which is away from the gear motor, and is not coaxial with the transmission shaft, the main shaft is used for being abutted against a screen surface of the steel plate screen, and the rotating main shaft is used for driving the screen surface to reciprocate.

4. The papermaking waste treatment system according to claim 2, wherein the angle adjusting plate adjusts an inclination angle of the housing with respect to the base in a range of 0-18 °, and the aperture of the steel plate screen is 20mm.

5. The papermaking waste treatment system as set forth in claim 1, wherein said light-to-heavy separation device further comprises a feeding device for discharging said waste plastic raw material on said first conveyor and a refiner located above said first conveyor inclined section for equally distributing said waste plastic raw material on said first conveyor.

6. The papermaking waste treatment system according to claim 1, wherein the dual shaft shredder comprises:

the tool box is used for receiving the light materials;

the fixed knife is used for removing winding materials on the movable knife;

and the power piece provides rotating power for the two rotating shafts.

7. The papermaking waste treatment system as set forth in claim 6, wherein said power member includes a motor and a speed reducer connected to said motor, said speed reducer being connected to said rotating shaft.

8. The papermaking waste treatment system according to claim 1, wherein the paper-plastic separator comprises:

9. The papermaking waste treatment system as set forth in claim 8, wherein a distance between the separation shaft and the filter screen is greater than 100mm.

10. The papermaking waste treatment system as set forth in claim 8, wherein the transmission member includes a driving motor and a transmission belt connecting the driving motor and a separation shaft, and a sealing structure is provided at a junction of the separation shaft and the machine body.