CN112030587B - Method for recycling printed paper product - Google Patents
Method for recycling printed paper product Download PDFInfo
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- CN112030587B CN112030587B CN202010947418.9A CN202010947418A CN112030587B CN 112030587 B CN112030587 B CN 112030587B CN 202010947418 A CN202010947418 A CN 202010947418A CN 112030587 B CN112030587 B CN 112030587B
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/06—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods
- D21B1/061—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods using cutting devices
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/02—Pretreatment of the raw materials by chemical or physical means
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/06—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods
- D21B1/08—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods the raw material being waste paper; the raw material being rags
- D21B1/10—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods the raw material being waste paper; the raw material being rags by cutting actions
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/32—Defibrating by other means of waste paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/34—Kneading or mixing; Pulpers
- D21B1/342—Mixing apparatus
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/34—Kneading or mixing; Pulpers
- D21B1/345—Pulpers
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
- D21C5/025—De-inking
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/14—Secondary fibres
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Abstract
The invention relates to a method for recycling printed paper products, which uses pulping equipment, wherein the pulping equipment comprises a shell, a feed pipe, a discharge pipe, a water inlet pipe, a crushing device and a pulping device, and the specific method for recycling the printed paper products by adopting the pulping equipment comprises the following steps: the paper board cutting device comprises a driving motor, a driving gear, a driven gear ring, a connecting pipe, a driving rotating shaft, a spraying mechanism, a crushing cutter, a first sieve plate, a transmission mechanism, a baffle ring, a bearing plate, a partition plate and a water spraying pipe. According to the paper pulp refining device, the crushing device and the pulp crushing device are matched, so that the function of making waste paper printed matters into paper pulp is realized, the paper products can be wetted in advance before crushing, the crushing difficulty is reduced, and the pulp refining mechanism can continuously stir pulp in the pulp crushing process, so that the paper pulp at each position can be fully contacted with the crushing blade.
Description
Technical Field
The invention relates to the field of printed product recycling, in particular to a method for recycling printed paper products.
Background
With the development of society and the improvement of living standard, more and more printed paper products are contacted in life, and a large amount of wood needs to be consumed in the production of the printed paper products, so that if the waste printed paper products are not recycled, the energy consumption is inevitably increased, and the burden of the environment is increased.
In view of the increasing need to recycle printed paper products, a major step in the paper product recycling process is the pulping process, but the following problems still exist in the pulping process of printed paper products:
(1) in order to shorten pulping time, paper printed matters are usually crushed before pulping, a crushing cutter needs to continuously crush paper products, the cutter is large in abrasion and short in service life, and the maintenance cost of a manufacturer is increased;
(2) because the rotation range of the pulping rotor is limited, the paper pulp far away from the rotor cannot be sufficiently sheared, the condition that the paper pulp produced in the same batch is uneven in specification is easy to occur, the subsequent processing procedure is required to be added for processing the paper pulp with the specification not meeting the requirement, and the whole working progress is delayed.
In order to solve the problems, the invention provides a method for recycling a printing paper product.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose:
a method for recycling printed paper products uses a pulping device, which comprises a shell, a feed pipe, a discharge pipe, a water inlet pipe, a crushing device and a pulping device, wherein the specific method for recycling the printed paper products by adopting the pulping device is as follows:
s1, classified recovery, namely classifying and recovering according to the actual class of the printed paper products, and synchronously processing the printed paper products with the same class in the subsequent process;
s2, crushing and pulping: primarily crushing the printed paper product by using a crushing device, and then preparing the printed paper product into paper pulp by using a pulp crushing device;
s3 deinking and bleaching, wherein the paper pulp prepared by S2 is deinked by a water washing method or a flotation method, and the paper pulp is bleached by a peroxide bleaching method or a reduction bleaching method after deinking;
s4, compression molding: mixing the paper pulp treated by the S3 with plant fibers to prepare wet fiber pulp, and pressing and forming the wet fiber pulp by adopting a mould pressing method to prepare a regenerated paperboard;
s5, cutting a paperboard: cutting the recycled paperboard processed in the step S4 according to actual production requirements, and packaging and boxing the cut recycled paperboard;
a feeding pipe is installed on the outer side of the top end of the shell, a connecting port is formed in the middle of the top end of the shell, a discharging pipe is installed at the bottom of the shell, a water inlet pipe is installed in the middle of the shell, and a crushing device and a pulping device are sequentially installed in the shell from top to bottom;
the crushing device comprises a driving motor, a driving gear, a driven gear ring, a connecting pipe, a driving rotating shaft, an injection mechanism, a crushing cutter, a first sieve plate, a transmission mechanism, a baffle ring, a bearing plate, a baffle plate and a water spray pipe, wherein the driving motor is installed at the top end of a shell through a motor base;
the outer side of the upper end of the driving rotating shaft is connected with the inner wall of the baffle ring through a transmission mechanism, a bearing plate is installed between the outer wall of the baffle ring and the inner wall of the shell, a blanking port is formed in the bearing plate and is positioned behind the feeding pipe, a plurality of groups of wetting holes are uniformly formed in the side wall of the baffle ring along the circumferential direction of the side wall of the baffle ring, so that clean water sprayed out of the driving rotating shaft can enter the baffle ring to wet paper products, the bearing plate is connected with the baffle ring in a sliding fit mode, partition plates are uniformly distributed at the upper end of the bearing plate along the circumferential direction of the bearing plate, the partition plates are installed on the outer wall of the baffle ring, a plurality of groups of water spraying holes uniformly distributed from top to bottom are uniformly formed in the; after injecting appropriate amount clear water into drive pivot through the water pipe external with the connecting pipe, start driving motor, at drive gear, under the transmission of driven gear and connecting pipe, the drive pivot carries out the circumferential rotation, it drives the baffle ring through drive mechanism to rotate in-process drive pivot, paper products on baffle and the bearing board rotate, it sprays to the baffle intra-annular to separate the clear water that will drive in the pivot through injection mechanism to rotate the in-process, in order to moisten paper products, just drop downwards when paper products rotate to blanking mouth top, the drive pivot drives broken cutter and carries out the breakage to the paper products after moistening this moment, the scraps of paper that the size accords with the requirement after the breakage passes through first sieve and gets into the pulping device.
The pulping device comprises a rotating motor, a rotating roller, a sleeve ring, pulping blades, a second sieve plate and a refining mechanism, wherein the rotating motor is installed on the outer wall of a shell through a motor base, an output shaft of the rotating motor is connected with one end of the rotating roller through a coupler, the other end of the rotating roller is connected with the inner wall of the shell through a bearing, the sleeve ring is sleeved in the middle of the rotating roller, a first ejector block and a second ejector block are uniformly installed on the outer wall of the sleeve ring along the circumferential direction of the sleeve ring, the first ejector block and the second ejector block are arranged alternately, a plurality of groups of pulping blades arranged from left to right are uniformly installed on the side wall of the rotating roller along the circumferential direction of the rotating roller, the second sieve plate is arranged at the lower end of the rotating roller, the refining mechanism; carry out the pulping through rotating the motor and drive the pulping blade on the live-rollers to the scraps of paper and handle, refining mechanism can stir paper pulp in the processing procedure, improves the distribution homogeneity of paper pulp, guarantees that the paper pulp of each department can both fully contact with the pulping blade to obtain the thick liquids that the specification meets the requirements.
Preferably, the injection mechanism comprises an extrusion block, a lifting rod, a reset spring and a top rod, the side wall of the extrusion block is connected with the inner wall of the driving rotating shaft in a sliding fit mode, a rubber ring is sleeved on the outer wall of the extrusion block, the reset spring is connected between the extrusion block and the driving rotating shaft, the bottom end of the extrusion block is connected with the upper end of the lifting rod, the lower end of the lifting rod is connected with the upper end of the top rod, the side wall of the top rod is connected with the driving rotating shaft in a sliding fit mode, and the bottom end of the top; in the lantern ring rotating process along with the rotating roller, the relative position of the ejector rod and the lantern ring is changed continuously, so that the ejector rod can move linearly up and down along the inner wall of the driving rotating shaft, the lifting rod and the extrusion block are driven to move synchronously, and after the extrusion block extrudes clean water in the driving rotating shaft, the clean water is sprayed outwards through the water spraying pipe.
Preferably, the material homogenizing mechanism comprises a working motor, supporting rollers, conveyor belts, a shaping rod, a mounting frame and a material homogenizing rod, wherein a group of supporting rollers are installed on the left inner wall and the right inner wall of the shell through bearings, the same group of supporting rollers are arranged in a U shape, the outer end of one supporting roller at the rear end of the shell is connected with an output shaft of the working motor through a coupler, the working motor is installed on the outer wall of the shell through a motor base, the same group of supporting rollers are connected through the conveyor belts, the upper ends of the conveyor belts are clung to the lower ends of the shaping rod, the shaping rod is installed on the inner wall of the shell, the mounting frame is evenly installed on the surface of the conveyor belts, the mounting frames installed on the two conveyor belts at the left side and the right side of the shell correspond to one another, the material; under the transmission effect of work motor, backing roll and conveyer belt, can drive the even material pole and be the motion of U style of calligraphy to convey paper pulp near the live-rollers at the pulping in-process continuously, guarantee that paper pulp everywhere can both be broken into appointed size under the shearing action of pulping blade.
Preferably, the transmission mechanism comprises a transmission outer gear ring, a transition gear, a driven inner gear ring and a mounting bracket, the transmission gear ring is sleeved outside the driving rotating shaft, the driven inner gear ring is arranged outside the transmission outer gear ring, the driven inner gear ring is mounted on the inner wall of the barrier ring, the transition gear is meshed between the driven inner gear ring and the transmission outer gear ring, the lower end of the transition gear is mounted on the mounting bracket through a bearing, and the mounting bracket is mounted on the inner wall of the shell; because the diameter of the transmission outer gear ring is obviously smaller than that of the driven inner gear ring, the rotating angular speed of the transmission outer gear ring is obviously greater than that of the driven inner gear ring, the paper product can fall from the blanking port after being placed on the bearing plate for a long time, and the clear water sprayed out of the driving rotating shaft can be fully contacted with the paper product so as to wet the paper product and reduce the crushing difficulty of the paper product.
Preferably, a rubber baffle is arranged in the water spraying pipe, a groove is formed in the inner side of the rubber baffle, the diameter of the groove is gradually reduced from inside to outside, and a through groove shaped like a Chinese character 'mi' is formed in the middle of the water through opening; when the injection mechanism does not exert pressure on the clean water in the driving rotating shaft, the through groove in the shape of a Chinese character 'mi' formed in the rubber baffle is in a closed state to prevent the clean water from flowing outwards.
Preferably, the inner openings of the wetting holes are in a bell mouth structure, the wetting holes in the same group are communicated with each other, and the maximum diameter of the inner openings of the wetting holes is smaller than the inner diameter of the water spray pipe; after the pipe orifice of the water spraying pipe is butted with one wetting hole in one group, clear water sprayed from the water spraying pipe can be dispersed into a plurality of water flows, so that the aims of enlarging the contact area of the clear water and the paper products and improving the wetting effect are fulfilled.
Preferably, be connected through the sliding fit mode between first sieve outer wall and the shells inner wall, and be connected with the spring between first sieve and the casing.
Preferably, the lower end of the driving rotating shaft is provided with an annular sliding groove, a connecting ring is arranged on the outer side of the annular sliding groove, the inner wall of the connecting ring is connected with the inner wall of the annular sliding groove of the driving rotating shaft in a sliding fit mode, the connecting ring can move up and down relative to the driving rotating shaft, the outer wall of the connecting ring is connected with the inner wall of the first sieve plate, a spring is connected between the connecting ring and the driving rotating shaft, the spring is connected with the inner wall of the annular sliding groove in a sliding fit mode, the upper end face of the connecting ring is clu; in the rotating process of the driving rotating shaft, the relative position of the connecting ring and the extrusion rod is changed continuously, so that the connecting ring can do reciprocating linear motion up and down along the driving rotating shaft, the first sieve plate connected with the connecting ring is driven to generate vibration with a certain amplitude, and the purpose of improving the distribution uniformity of paper product fragments is achieved.
The invention has the beneficial effects that:
1. according to the paper pulp refining device, the crushing device and the pulp crushing device are matched, so that the function of making waste paper printed matters into paper pulp is realized, the paper products can be wetted in advance before crushing, the crushing difficulty is reduced, the pulp refining mechanism can continuously stir pulp in the pulp crushing process, the paper pulp at each position can be fully contacted with the crushing blade, and the pulp crushing effect is ensured.
2. According to the crushing device provided by the invention, the clear water in the driving rotating shaft is sprayed into the separating and blocking ring through the spraying mechanism so as to wet the paper product, the paper product falls downwards when rotating to the position above the blanking port, the driving rotating shaft drives the crushing cutter to crush the wetted paper product, and the crushed paper sheet with the size meeting the requirement enters the pulping device through the first sieve plate.
3. According to the pulping device provided by the invention, the rotary motor drives the pulping blade on the rotary roller to carry out pulping treatment on the paper sheet, the material homogenizing mechanism can stir the paper pulp in the treatment process, the distribution uniformity of the paper pulp is improved, and the paper pulp at all positions can be ensured to be fully contacted with the pulping blade, so that the pulp with the specification meeting the requirement is obtained, and the material homogenizing mechanism can simultaneously drive a plurality of material homogenizing rods to stir the paper pulp through two driving sources, so that the cost for purchasing the driving sources by manufacturers is saved, and the time spent for controlling the driving sources is shortened.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a front sectional view of the pulp crushing apparatus according to the present invention;
FIG. 3 is a top cross-sectional view of the crushing device of the present invention;
FIG. 4 is a top cross-sectional view of the blocker ring of the present invention;
FIG. 5 is a front cross-sectional view of the sprinkler tube of the present invention;
FIG. 6 is a right side sectional view of the housing, discharge pipe and pulp crushing apparatus of the invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 6, a method for recycling printed paper products uses a pulping apparatus, which includes a housing 1, a feeding pipe 2, a discharging pipe 3, a water inlet pipe 4, a crushing device 5 and a pulping device 6, and the specific method for recycling the printed paper products by using the pulping apparatus is as follows:
s1, classified recovery, namely classifying and recovering according to the actual class of the printed paper products, and synchronously processing the printed paper products with the same class in the subsequent process;
s2, crushing and pulping: primarily crushing the printed paper product by using a crushing device 5, and then making the printed paper product into paper pulp by using a pulp crushing device 6;
s3 deinking and bleaching, wherein the paper pulp prepared by S2 is deinked by a water washing method or a flotation method, and the paper pulp is bleached by a peroxide bleaching method or a reduction bleaching method after deinking;
s4, compression molding: mixing the paper pulp treated by the S3 with plant fibers to prepare wet fiber pulp, and pressing and forming the wet fiber pulp by adopting a mould pressing method to prepare a regenerated paperboard;
s5, cutting a paperboard: cutting the recycled paperboard processed in the step S4 according to actual production requirements, and packaging and boxing the cut recycled paperboard;
a feeding pipe 2 is installed on the outer side of the top end of the shell 1, a connecting port is formed in the middle of the top end of the shell 1, a discharging pipe 3 is installed at the bottom of the shell 1, a water inlet pipe 4 is installed in the middle of the shell 1, and a crushing device 5 and a pulping device 6 are sequentially installed in the shell 1 from top to bottom;
the crushing device 5 comprises a driving motor 51, a driving gear 52, a driven gear ring 53, a connecting pipe 54, a driving rotating shaft 55, an injection mechanism 56, a crushing cutter 57, a first sieve plate 58, a transmission mechanism 59, a baffle ring 510, a bearing plate 511, a partition plate 512 and a water spraying pipe 513, wherein the driving motor 51 is arranged at the top end of the shell 1 through a motor base, the lower end of an output shaft of the driving motor 51 is connected with the upper end of the driving gear 52, the right end of the driving gear 52 is meshed with the left end of the driven gear ring 53, the driven gear ring 53 is positioned right above a connecting port, the middle part of the driven gear ring 53 is connected with the upper end of the connecting pipe 54, the lower end of the connecting pipe 54 is arranged at the outer side of a water filling port formed at the top end of the driving rotating shaft 55, the driving rotating shaft 55 is of a hollow, the outer wall of the first sieve plate 58 is connected with the inner wall of the shell 1;
the outer side of the upper end of the driving rotating shaft 55 is connected with the inner wall of the baffle ring 510 through a transmission mechanism 59, a bearing plate 511 is arranged between the outer wall of the baffle ring 510 and the inner wall of the shell 1, a blanking port is arranged on the bearing plate 511 and is positioned behind the feeding pipe 2, a plurality of groups of wetting holes are uniformly arranged on the side wall of the baffle ring 510 along the circumferential direction, so that clean water sprayed out of the driving rotating shaft 55 can enter the baffle ring 510 to wet paper products, the bearing plate 511 is connected with the baffle ring 510 in a sliding fit manner, partition plates 512 are uniformly arranged on the upper end of the bearing plate 511 along the circumferential direction, the partition plates 512 are arranged on the outer wall of the baffle ring 510, a plurality of groups of water spraying holes uniformly arranged from top to bottom are uniformly arranged on the side wall of the upper end of the driving rotating shaft 55 along the circumferential direction, water spraying pipes 513 are arranged on the outer sides of the water spraying, the maximum diameter of the opening at the inner side of the wetting hole is smaller than the inner diameter of the water spraying pipe 513; after the pipe orifice of the water spraying pipe 513 is butted with one wetting hole in a group, clear water sprayed from the water spraying pipe 513 can be dispersed into a plurality of water flows, so that the aims of enlarging the contact area of the clear water and the paper products and improving the wetting effect are fulfilled; after a proper amount of clean water is injected into the driving rotating shaft 55 through a water pipe externally connected with the connecting pipe 54, the driving motor 51 is started, the driving rotating shaft 55 rotates circularly under the transmission action of the driving gear 52 and the driven gear and the connecting pipe 54, the driving rotating shaft 55 drives the baffle ring 510 through the transmission mechanism 59 in the rotating process, the baffle plate and the paper products on the bearing plate 511 rotate, the clean water in the driving rotating shaft 55 is sprayed into the baffle ring 510 through the spraying mechanism 56 in the rotating process so as to moisten the paper products, the paper products drop downwards when rotating to the upper part of the blanking port, at the moment, the driving rotating shaft 55 drives the crushing cutter 57 to crush the moistened paper products, and the crushed paper sheets with the required size enter the pulp crushing device 6 through the first sieve plate 58.
A rubber baffle 513a is arranged in the water spraying pipe 513, a groove is formed in the inner side of the rubber baffle 513a, the diameter of the groove is gradually reduced from inside to outside, and a through groove shaped like a Chinese character 'mi' is formed in the middle of the water through opening; when the injection mechanism 56 does not apply pressure to the clean water in the driving rotating shaft 55, the through groove in the shape of a Chinese character 'mi' formed in the rubber barrier 513a is in a closed state to prevent the clean water from flowing outwards, and when the injection mechanism 56 applies pressure to the clean water in the driving rotating shaft 55, the gap of the through groove in the shape of a Chinese character 'mi' is increased under the action of the pressure, and the clean water can be injected outwards through the rubber barrier 513 a.
An annular sliding groove is formed in the lower end of the driving rotating shaft 55, a connecting ring 55a is arranged on the outer side of the annular sliding groove, the inner wall of the connecting ring 55a is connected with the inner wall of the annular sliding groove of the driving rotating shaft 55 in a sliding fit mode, the connecting ring 55a can move up and down relative to the driving rotating shaft 55, the outer wall of the connecting ring 55a is connected with the inner wall of the first sieve plate 58, a spring is connected between the connecting ring 55a and the driving rotating shaft 55, the spring is connected with the inner wall of the annular sliding groove in a sliding fit mode, the upper end face of the connecting ring 55a is attached to; in the rotating process of the driving rotating shaft 55, the relative position between the connecting ring 55a and the extrusion rod is constantly changed, so that the connecting ring 55a can perform vertical reciprocating linear motion along the driving rotating shaft 55, and further drives the first sieve plate 58 connected with the connecting ring to generate vibration with a certain amplitude, thereby achieving the purpose of improving the distribution uniformity of paper product fragments.
The spraying mechanism 56 comprises an extrusion block 561, a lifting rod 562, a reset spring 563 and a top rod 564, the side wall of the extrusion block 561 is connected with the inner wall of the driving rotating shaft 55 in a sliding fit manner, a rubber ring is sleeved on the outer wall of the extrusion block 561, the reset spring 563 is connected between the extrusion block 561 and the driving rotating shaft 55, the bottom end of the extrusion block 561 is connected with the upper end of the lifting rod 562, the lower end of the lifting rod 562 is connected with the upper end of the top rod 564, the side wall of the top rod 564 is connected with the driving rotating shaft 55 in a sliding fit manner, and the bottom end of the top rod 564; in the process that the lantern ring 63 rotates along with the rotating roller 62, the relative position of the top rod 564 and the lantern ring 63 is continuously changed, so that the top rod 564 can linearly move up and down along the inner wall of the driving rotating shaft 55, the lifting rod 562 and the squeezing block 561 are driven to synchronously move, and after the squeezing block 561 squeezes the clean water in the driving rotating shaft 55, the clean water is sprayed outwards through the water spraying pipe 513.
The transmission mechanism 59 comprises a transmission outer gear ring 591, a transition gear 592, a driven inner gear ring 593 and a mounting bracket, the transmission gear ring is sleeved outside the driving rotating shaft 55, the driven inner gear ring 593 is arranged outside the transmission outer gear, the driven inner gear ring 593 is mounted on the inner wall of the barrier ring 510, the transition gear 592 is meshed between the driven inner gear ring 593 and the transmission outer gear ring 591, the lower end of the transition gear 592 is mounted on the mounting bracket through a bearing, and the mounting bracket is mounted on the inner wall of the housing 1; because the diameter of the transmission outer gear ring 591 is obviously smaller than that of the driven inner gear ring 593, the rotating angular speed of the transmission outer gear ring 591 is obviously greater than that of the driven inner gear ring 593, paper products can fall from the blanking port after being placed on the supporting plate 511 for a long time, and clean water sprayed out of the driving rotating shaft 55 can fully contact with the paper products so as to wet the paper products and reduce the crushing difficulty of the paper products.
The outer wall of the first sieve plate 58 is connected with the inner wall of the shell 1 in a sliding fit mode, and a spring is connected between the first sieve plate 58 and the shell 1.
The pulping device 6 comprises a rotating motor 61, a rotating roller 62, a lantern ring 63, pulping blades 64, a second sieve plate 65 and a refining mechanism 66, wherein the rotating motor 61 is installed on the outer wall of the shell 1 through a motor base, an output shaft of the rotating motor 61 is connected with one end of the rotating roller 62 through a coupler, the other end of the rotating roller 62 is connected with the inner wall of the shell 1 through a bearing, the lantern ring 63 is sleeved in the middle of the rotating roller 62, a first ejector block and a second ejector block are uniformly installed on the outer wall of the lantern ring 63 along the circumferential direction of the outer wall, the first ejector block and the second ejector block are arranged at intervals, a plurality of groups of pulping blades 64 arranged from left to right are uniformly installed on the side wall of the rotating roller 62 along the circumferential direction of the side wall, the second sieve plate 65 is arranged at the lower end of the rotating roller 62, the refining mechanism 66 is arranged on; carry out the pulping through rotating motor 61 and drive pulping blade 64 on the live-rollers 62 to the scraps of paper and handle, refining mechanism 66 can stir paper pulp in the processing procedure, improves the distribution uniformity of paper pulp, guarantees that the paper pulp of each department can both fully contact with pulping blade 64 to obtain the thick liquids that the specification meets the requirements.
The material refining mechanism 66 comprises a working motor 661, supporting rollers 662, a conveyor belt 663, a shaping rod 664, a mounting frame 665 and a material refining rod 666, wherein a group of supporting rollers 662 are installed on the left inner wall and the right inner wall of the shell 1 through bearings, the supporting rollers 662 of the same group are arranged in a U-shaped manner, the outer end of one supporting roller 662 at the rear end of the shell 1 is connected with the output shaft of the working motor 661 through a coupler, the working motor 661 is installed on the outer wall of the shell 1 through a motor base, the supporting rollers 662 of the same group are connected through the conveyor belt 663, the upper end of the conveyor belt 663 is tightly attached to the lower end of the shaping rod 664, the shaping rod 664 is installed on, mounting frames 665 mounted on the two conveyor belts 663 positioned on the left side and the right side of the shell 1 are in one-to-one correspondence, material homogenizing rods 666 are rotatably mounted between the mounting frames 665 in the corresponding positions, and material homogenizing blades are uniformly arranged on the side walls of the material homogenizing rods 666 along the circumferential direction of the material homogenizing rods; under the transmission action of the working motor 661, the supporting roller 662 and the conveyor belt 663, the homogenizing rod 666 can be driven to move in a U shape, so that the paper pulp is continuously conveyed to the position near the rotating roller 62 in the pulp crushing process, and the paper pulp at each position can be crushed into a specified size under the shearing action of the pulp crushing blade 64.
The present invention is not limited to the above-described embodiments, which are described in the specification and illustrated only to illustrate the principle of the present invention, but various changes and modifications may be made within the scope of the present invention as claimed without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A method for recycling and reusing printed paper products uses a pulping device, which comprises a shell (1), a feeding pipe (2), a discharging pipe (3), a water inlet pipe (4), a crushing device (5) and a pulping device (6), and is characterized in that: the specific method for recycling the printed paper product by adopting the pulping equipment comprises the following steps:
s1, classified recovery, namely classifying and recovering according to the actual class of the printed paper products, and synchronously processing the printed paper products with the same class in the subsequent process;
s2, crushing and pulping: primarily crushing the printed paper product through a crushing device (5), and then preparing the printed paper product into paper pulp through a pulp crushing device (6);
s3 deinking and bleaching, wherein the paper pulp prepared by S2 is deinked by a water washing method or a flotation method, and the paper pulp is bleached by a peroxide bleaching method or a reduction bleaching method after deinking;
s4, compression molding: mixing the paper pulp treated by the S3 with plant fibers to prepare wet fiber pulp, and pressing and forming the wet fiber pulp by adopting a mould pressing method to prepare a regenerated paperboard;
s5, cutting a paperboard: cutting the recycled paperboard processed in the step S4 according to actual production requirements, and packaging and boxing the cut recycled paperboard;
the feeding pipe (2) is installed on the outer side of the top end of the shell (1), a connecting port is formed in the middle of the top end of the shell (1), the discharging pipe (3) is installed at the bottom of the shell (1), the water inlet pipe (4) is installed in the middle of the shell (1), and the crushing device (5) and the pulping device (6) are sequentially installed in the shell (1) from top to bottom;
the crushing device (5) comprises a driving motor (51), a driving gear (52), a driven gear ring (53), a connecting pipe (54), a driving rotating shaft (55), an injection mechanism (56), a crushing cutter (57), a first sieve plate (58), a transmission mechanism (59), a baffle ring (510), a bearing plate (511), a partition plate (512) and a water spray pipe (513), wherein the driving motor (51) is arranged at the top end of the shell (1) through a motor base, the lower end of an output shaft of the driving motor (51) is connected with the upper end of the driving gear (52), the right end of the driving gear (52) is meshed with the left end of the driven gear ring (53), the driven gear ring (53) is positioned right above a connecting port, the middle part of the driven gear ring (53) is connected with the upper end of the connecting pipe (54), the lower end of the connecting pipe (54) is arranged at the outer side, the spraying mechanism (56) is arranged in the driving rotating shaft (55), the crushing cutters (57) are uniformly arranged on the side wall of the lower end of the driving rotating shaft (55), the bottom end of the driving rotating shaft (55) is rotatably connected with the inner wall of the first sieve plate (58), and the outer wall of the first sieve plate (58) is connected with the inner wall of the shell (1);
the outer side of the upper end of the driving rotating shaft (55) is connected with the inner wall of the baffle ring (510) through a transmission mechanism (59), a bearing plate (511) is installed between the outer wall of the baffle ring (510) and the inner wall of the shell (1), a blanking port is formed in the bearing plate (511) and is positioned behind the feeding pipe (2), a plurality of groups of wetting holes are uniformly formed in the side wall of the baffle ring (510) along the circumferential direction of the side wall, so that clear water sprayed out of the driving rotating shaft (55) can enter the baffle ring (510) to wet paper products, the bearing plate (511) is connected with the baffle ring (510) in a sliding fit mode, partition plates (512) are uniformly distributed in the upper end of the bearing plate (511) along the circumferential direction of the upper end, the partition plates (512) are installed on the outer wall of the baffle ring (510), a plurality of groups of water spraying holes uniformly distributed from top to bottom are uniformly formed in the upper end, a water spraying pipe (513) is arranged outside the water spraying hole;
the pulping device (6) comprises a rotating motor (61), a rotating roller (62), a lantern ring (63), pulping blades (64), a second sieve plate (65) and a material refining mechanism (66), wherein the rotating motor (61) is installed on the outer wall of the shell (1) through a motor base, an output shaft of the rotating motor (61) is connected with one end of the rotating roller (62) through a coupler, the other end of the rotating roller (62) is connected with the inner wall of the shell (1) through a bearing, the lantern ring (63) is sleeved in the middle of the rotating roller (62), a first ejector block and a second ejector block are uniformly installed on the outer wall of the lantern ring (63) along the circumferential direction of the outer wall, the first ejector block and the second ejector block are arranged alternately, a plurality of groups of pulping blades (64) arranged from left to right are uniformly installed on the side wall of the rotating roller (62) along the circumferential direction, the second sieve plate (65) is arranged at the lower end of the rotating roller (62), the material refining, the material homogenizing mechanism (66) is arranged on the inner wall of the shell (1).
2. A method of recycling printed paper products according to claim 1, wherein: injection mechanism (56) is including extrusion piece (561), lifter (562), reset spring (563) and ejector pin (564), extrusion piece (561) lateral wall is connected with drive pivot (55) inner wall through the sliding fit mode, the cover is equipped with the rubber ring on extrusion piece (561) outer wall, be connected with reset spring (563) between extrusion piece (561) and drive pivot (55), extrusion piece (561) bottom is connected with lifter (562) upper end, lifter (562) lower extreme is connected with ejector pin (564) upper end, be connected through the sliding fit mode between ejector pin (564) lateral wall and drive pivot (55), ejector pin (564) bottom is hugged closely mutually with lantern ring (63) upper end.
3. A method of recycling printed paper products according to claim 1, wherein: the material refining mechanism (66) comprises a working motor (661), supporting rollers (662), conveyor belts (663), shaping rods (664), an installation frame (665) and refining rods (666), wherein a group of supporting rollers (662) are respectively installed on the left inner wall and the right inner wall of the shell (1) through bearings, the supporting rollers (662) in the same group are arranged in a U shape, the outer end of one supporting roller (662) at the rear end of the shell (1) is connected with an output shaft of the working motor (661) through a coupler, the working motor (661) is installed on the outer wall of the shell (1) through a motor base, the supporting rollers (662) in the same group are connected through the conveyor belts (663), the upper ends of the conveyor belts (663) are tightly attached to the lower ends of the shaping rods (663), the shaping rods (664) are installed on the inner wall of the shell (1), the installation frame (665) are evenly installed on the surfaces of the conveyor belts (664), and the positions of the installation frame (665, install between the mounting bracket (665) that the position corresponds even material pole (666) through the rotation mode, evenly be provided with the refining blade along its circumferential direction on even material pole (666) lateral wall.
4. A method of recycling printed paper products according to claim 1, wherein: the transmission mechanism (59) comprises a transmission outer gear ring (591), a transition gear (592), a driven inner gear ring (593) and a mounting support, the transmission gear ring is sleeved on the outer side of the driving rotating shaft (55), the driven inner gear ring (593) is arranged on the outer side of the transmission outer gear ring, the driven inner gear ring (593) is mounted on the inner wall of the blocking ring (510), the transition gear (592) is meshed between the driven inner gear ring (593) and the transmission outer gear ring (591), the lower end of the transition gear (592) is mounted on the mounting support through a bearing, and the mounting support is mounted on the inner wall of the shell (1.
5. A method of recycling printed paper products according to claim 1, wherein: be provided with rubber separation blade (513a) in spray pipe (513), rubber separation blade (513a) inboard is seted up flutedly, and the recess diameter reduces from inside to outside gradually, and rice style of calligraphy logical groove has been seted up at the water gap middle part.
6. A method of recycling printed paper products according to claim 1, wherein: the inner side opening of the wetting hole is of a horn mouth structure, the wetting holes in the same group are communicated with each other, and the maximum diameter of the inner side opening of the wetting hole is smaller than the inner diameter of the water spraying pipe (513).
7. A method of recycling printed paper products according to claim 1, wherein: the outer wall of the first sieve plate (58) is connected with the inner wall of the shell (1) in a sliding fit mode, and a spring is connected between the first sieve plate (58) and the shell (1).
8. The method of recycling printed paper products according to claim 7, wherein: the annular chute has been seted up to drive pivot (55) lower extreme, the annular chute outside is provided with go-between (55a), go-between (55a) inner wall is connected with drive pivot (55) annular chute inner wall through sliding fit mode, go-between (55a) can reciprocate relatively drive pivot (55), go-between (55a) outer wall is connected with first sieve (58) inner wall, and be connected with the spring between go-between (55a) and drive pivot (55), be connected through sliding fit mode between spring and the annular chute inner wall, go-between (55a) up end is hugged closely mutually with the extrusion ram lower extreme, go-between (55a) up end is unevenness's arc surface structure.
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| CN111648154A (en) * | 2020-06-15 | 2020-09-11 | 马婧 | Method for recycling and treating waste of paper pulp molding packaging |
| CN113652888B (en) * | 2021-07-19 | 2023-05-30 | 陕西东方环保产业集团东鹏再生资源利用有限公司 | Efficient paper pulp purifying process |
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| JPH08188996A (en) * | 1991-07-12 | 1996-07-23 | Satoshi Kimura | Production of single-ply fiber board |
| CN205012141U (en) * | 2012-10-29 | 2016-02-03 | 福伊特专利有限公司 | A rotation type cylinder for handling fiber material |
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