CN112832050A - Environment-friendly mixed pulping process for papermaking - Google Patents
Environment-friendly mixed pulping process for papermaking Download PDFInfo
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- CN112832050A CN112832050A CN202110049239.8A CN202110049239A CN112832050A CN 112832050 A CN112832050 A CN 112832050A CN 202110049239 A CN202110049239 A CN 202110049239A CN 112832050 A CN112832050 A CN 112832050A
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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
- 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
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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
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- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Abstract
The invention belongs to the technical field of papermaking production, and particularly relates to an environment-friendly mixed pulping process for papermaking, which comprises the following steps of S1: filtering waste paper, adding the filtered waste paper into a paper shredding device, and fully cutting and smashing large pieces of waste paper through processing of the paper shredding device; s2: mixing the crushed waste paper with water, adding the mixture into pulping equipment, and deinking, pulping, screening and concentrating to form concentrated mixed pulp slurry; s3: adding the treated pulp into papermaking equipment for processing and forming; by providing the stirring unit and the controller in the shredder in S1; the stirring unit comprises an air cylinder, a supporting plate, a second rotating shaft, a first gear and a first rack; the controller controls the work of motor and cylinder, and the motor drives the axis of rotation and rotates No. one, and the cylinder rotates through meshing driven gear and No. two axes of rotation of driven rack control for the blade of installation cuts up the scraps of paper on No. two axes of rotation.
Description
Technical Field
The invention belongs to the technical field of papermaking production, and particularly relates to an environment-friendly mixed pulping process for papermaking.
Background
Paper making is an important invention for ancient Chinese workers. The method is divided into a mechanism mode and a manual mode. The mechanism is continuously carried out on a paper machine, pulp suitable for paper quality is diluted to certain concentration by water, and is primarily dewatered at a wire part of the paper machine to form a wet paper sheet, and then the wet paper sheet is pressed for dewatering and then dried to form paper. Pulping is the process of separating fibers from a vegetable fiber material to produce pulp. The pulping method can be mainly divided into a mechanical method, a chemical method and a chemical-mechanical method, and mechanical pulp, chemical pulp and chemical-mechanical pulp are respectively prepared.
A patent related to a technical scheme of a mixed pulping and papermaking process also appears in the prior art, for example, a Chinese patent with the application number of 202010451338 discloses a mixed pulping and papermaking process, which comprises a pulping tank, a pre-crushing rotating rod and a rotor; a pre-crushing groove is formed in the upper wall of the pulping tank; a pulping rotating rod is rotatably connected inside the pre-crushing groove; the number of the pre-crushing rotating rods is two, and the pre-crushing rotating rods are arranged symmetrically left and right; the rotor is rotatably connected to the position, close to the lower surface of the pulping tank, inside the pulping tank, an upper grinding disc and a lower grinding disc are arranged on the bottom wall of the pulping tank and right below the rotor, and the upper grinding disc and the lower grinding disc are relatively rotatably connected; the integrated production of pre-crushing and pulping of waste paper is realized, large-piece waste paper is prevented from being directly thrown into a pulper and being wound on the surface of a rotor in a large quantity, the load of a power source is increased, a large quantity of impurities in the waste paper can be effectively removed, and the quality of finished paper is improved. The existing mixed pulping and papermaking process has the defects that paper sheets cannot be completely processed and cut by the paper shredding equipment of the pulping equipment for papermaking, so that the processed paper shreds are not beneficial to pulping and the papermaking forming quality is influenced.
In view of this, the present invention provides a system comprising a set of stirring units and a controller; the stirring unit comprises an air cylinder, a supporting plate, a second rotating shaft, a first gear and a first rack; the controller controls the work of motor and cylinder, and the motor drives the axis of rotation and rotates No. one, and the cylinder rotates through meshing driven gear and No. two axes of rotation of driven rack control for the blade of installation cuts up the scraps of paper on No. two axes of rotation.
Disclosure of Invention
The invention provides an environment-friendly mixed pulping process for papermaking, which aims to make up for the defects of the prior art and solve the problems that paper scraps cannot be completely processed and cut by paper shredding equipment, so that the processed paper scraps are not beneficial to pulping and the papermaking forming quality is influenced.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to an environment-friendly mixed pulping process for papermaking, which comprises the following steps:
s1: the waste paper is primarily screened, impurities such as steel wires and plastics are filtered out, the damage of the impurities to paper shredding equipment is avoided, the primarily screened waste paper is added into the paper shredding equipment, and a large amount of waste paper is fully cut and smashed through the processing of the paper shredding equipment to form paper scrap;
s2: mixing the shredded paper scraps in the S1 with water according to the ratio of 1:3, adding the mixture into pulping equipment, adding biological enzyme, controlling the proper temperature, mixing and stirring to enable the paper scraps to be quickly pulped and deinked to form primary mixed pulp, adding the primary mixed pulp into a high-frequency vibrating screen, screening and separating impurities in the pulp through the high-frequency vibrating screen, and then increasing the concentration of the pulp through a filter screen to form concentrated mixed pulp;
s3: bleaching, pulping and dehydrating the concentrated mixed pulp in the S2, and then adding the pulp into papermaking equipment for processing and forming to finally complete the whole papermaking process;
the paper shredding device adopted in the S1 comprises a motor, a first rotating shaft and a stirring barrel; one end of the first rotating shaft is rotatably connected to the middle of the lower bottom plate of the stirring barrel through a bearing, and the other end of the first rotating shaft is rotatably connected to the middle of the upper top plate of the stirring barrel through a bearing and penetrates through the upper top plate of the stirring barrel to be fixedly connected with an output shaft of the motor; the upper surface of the stirring barrel is provided with a feeding hole, and one side of the lower surface of the stirring barrel is provided with a discharging hole; the device also comprises a group of stirring units and a controller; the controller is used for controlling the equipment to work; each stirring unit comprises an air cylinder, a supporting plate, a second rotating shaft, a first gear and a first rack; one end of the supporting plate is fixedly connected with the first rotating shaft; the second rotating shaft is vertically arranged at the other end of the supporting plate through a bearing; the air cylinders are arranged at corresponding positions above the supporting plate in parallel, and one end of each air cylinder is fixedly connected with the first rotating shaft; a groove is formed in a cylinder shaft of the cylinder; the first rack is arranged in the groove, the first gear is sleeved on the second rotating shaft through a key, and the first gear is in meshing transmission with the first rack; a group of blades are arranged on the outer ring of one side of the second rotating shaft, which is far away from the supporting plate; the first rotating shaft and the air cylinder act on the second rotating shaft simultaneously, so that the second rotating shaft rotates, and the paper sheets are cut by the blades on the second rotating shaft;
when in use, the pulping equipment for papermaking exists in the prior art, but the existing pulping equipment for papermaking has the defects that paper sheets cannot be completely processed and cut by the paper shredding equipment of the pulping equipment for papermaking, so that the processed shredded paper is not beneficial to pulping and the quality of papermaking forming is influenced; the invention arranges a group of stirring units and a controller; the controller is used for controlling the motor and the air cylinder to work, the motor drives the first rotating shaft to rotate, and the air cylinder controls the second rotating shaft to rotate, so that the blades on the second rotating shaft shred the paper; in the environment-friendly mixed pulping process, firstly, the controller controls the motor to rotate to drive the first rotating shaft fixedly connected to the output shaft of the motor to rotate, the first rotating shaft drives the fixedly connected air cylinder and the supporting plate to rotate, meanwhile, the controller controls the air cylinder to work, the air cylinder shaft on the air cylinder does telescopic motion, the first rack on the air cylinder shaft is meshed with the first gear on the second rotating shaft for transmission, so that the gear drives the second rotating shaft to periodically rotate forwards and backwards, and the blade on the second rotating shaft rotates; the paper sheet raw material enters the stirring barrel from the feeding hole, is processed by the stirring unit and is discharged from the discharging hole; the purpose that the blades cut the paper sheets is achieved through the rotation of the second rotating shaft around the first rotating shaft and the periodic positive and negative rotation of the second rotating shaft. Compared with the traditional papermaking and pulping equipment, the paper sheet raw material cutting machine has the advantages that the effective cutting of the paper sheet raw material by the blades is increased by utilizing the rotation of the second rotating shaft around the first rotating shaft and the periodic positive and negative autorotation of the second rotating shaft, so that the paper sheet raw material is processed into more fragments.
Preferably, an auxiliary unit is arranged between the adjacent cylinders and is used for further smashing the paper sheets processed by the stirring unit, so that the purpose of easier pulping of the paper sheets is achieved; the auxiliary unit comprises a flexible shaft, a second rack, a second gear, a V-shaped bracket, a steel rope, a steel ring and scissors; the bottom of the V-shaped support is fixedly connected with the first rotating shaft, a sliding groove is formed in one end, close to the supporting plate, of the V-shaped support, a second gear is rotatably installed in the sliding groove, a second rack is slidably installed, and the second gear is in meshing transmission with the second rack; one end of the flexible shaft is fixedly connected with the cylinder shaft, and the other end of the flexible shaft is fixedly connected with one end of the second rack; the scissors are arranged on the inner side of the V-shaped support, the joint of the two handles of the scissors is fixedly connected with the V-shaped support through a bent rod, and the two handles of the scissors, which are close to one end of the first rotating shaft, are fixedly connected with the surface, far away from the first rotating shaft, of the V-shaped support through springs; the steel ring is arranged at one end of the scissors close to the first rotating shaft in a sliding mode and is positioned at the outer side of one end of the scissors close to the first rotating shaft; one end of the steel rope is fixedly connected with the middle of the steel ring, and the other end of the steel rope is connected to a rotating shaft of the second gear; through the rotation of the second gear, the steel rope pulls the steel ring to move towards the direction close to the first rotating shaft, so that the closing movement of the scissors is realized;
when the device is used, the auxiliary unit is arranged, the controller controls the cylinder to work, the cylinder shaft on the cylinder makes telescopic motion, and the second rack is connected with the cylinder shaft through the flexible shaft so as to slide in the sliding groove in a reciprocating manner; when the cylinder shaft extends outwards, the second rack slides towards the direction, close to the first rotating shaft, in the sliding groove, so that the second gear in meshing transmission rotates, the steel rope connected to the rotating shaft is pulled, the steel rope pulls the steel ring to move towards the direction close to the first rotating shaft, the steel ring slides on the outer side of one end, close to the first rotating shaft, of the scissors, and one end, far away from the first rotating shaft, of the scissors is closed; when the cylinder shaft contracts, the second rack moves towards the direction far away from the first rotating shaft in the sliding groove, so that the meshed second gear rotates, the steel rope connected to the rotating shaft is loosened, meanwhile, the end parts of the two knife handles, close to one side of the first rotating shaft, of the scissors move towards the direction close to the V-shaped support through the springs, the scissors are opened, the steel ring slides towards the direction far away from the first rotating shaft, and the steel rope is tightened; through the periodic opening and closing movement of the scissors, the problem that the stirring unit cannot thoroughly break the paper sheet raw material is solved, and the purpose of further breaking the paper sheets processed by the stirring unit is realized.
Preferably, a water sac is arranged on the surface of the V-shaped support, which is far away from the first rotating shaft, and a water spraying hole is formed in the water sac; the steel ring moves towards the direction close to the first rotating shaft to extrude the water bag, so that water in the water bag is sprayed on the cutting edge of the scissors at the end far away from the first rotating shaft, and the purpose of cleaning paper scraps on the cutting edge of the scissors at the end far away from the first rotating shaft is achieved;
when the pair of scissors is used, the water bag is arranged, when the steel ring is pulled by the steel rope to move towards the direction close to the first rotating shaft, the steel ring extrudes the water bag arranged on the surface of the V-shaped support far away from the first rotating shaft, so that water in the water bag is sprayed to the cutting edge of one end of the pair of scissors far away from the first rotating shaft, meanwhile, the water is contacted with the processed paper sheets, the paper sheets are easy to pulp, the problem that when the scissors are used for processing the paper sheets, the paper sheets are accumulated on the cutting edge of one end of the pair of scissors far away from the first rotating shaft, and the work of the scissors is influenced is solved, the working efficiency of the scissors.
Preferably, the steel ring is provided with an elastic claw rod, a through hole is formed in the middle of the claw rod, and the through hole is used for reserving a channel for the steel rope; one end of the claw pole is fixedly connected with the middle of the steel ring, and the other end of the claw pole is in sliding contact with the surface of the V-shaped support far away from the first rotating shaft; the claw pole is deformed by moving the steel ring towards the direction close to the first rotating shaft, so that the purpose that the tail end of the claw pole slides on the surface of the V-shaped support far away from the first rotating shaft and paper scraps on the surface of the V-shaped support far away from the first rotating shaft are cleaned is achieved;
when the elastic claw pole is used, the claw pole arranged in the middle of the steel ring moves towards the direction close to the first rotating shaft when the steel ring is pulled by the steel rope to move towards the direction close to the first rotating shaft, the tail end of the claw pole is contacted with two surfaces, far away from the first rotating shaft, of the V-shaped support to deform, meanwhile, the claw pole slides on the surface, far away from the first rotating shaft, of the V-shaped support, paper pieces on the surface, far away from the first rotating shaft, of the V-shaped support are removed, and when the steel ring moves towards the direction far away from the first rotating shaft, the elastic claw pole returns to the original shape; the problem that scraps of paper are piled up on the surface that the V-shaped support is far away from a rotating shaft to influence the work of the auxiliary unit is solved, and through the periodic movement of the horn bars, the working efficiency of the auxiliary unit is improved, so that the scraps of paper are processed more thoroughly.
Preferably, a Y-shaped tool rest is installed on one end, away from the supporting plate, of the second rotating shaft, and a group of blades are installed on two supports of the Y-shaped tool rest; the Y-shaped knife rest rotates through the rotation of the second rotating shaft, so that the paper sheets are cut into more pieces by the Y-shaped knife rest;
when the paper shredder is used, the Y-shaped knife rest is arranged at one end of the second rotating shaft, which is far away from the supporting plate, and when the second rotating shaft rotates forwards and backwards periodically, the Y-shaped knife rest arranged at one end of the second rotating shaft, which is far away from the supporting plate, rotates, so that paper sheets contact with the Y-shaped knife rest and are cut into more pieces; the Y-shaped tool rest is driven to rotate through the second rotating shaft and the Y-shaped tool rest rotates around the first rotating shaft, so that the problem that the paper sheets cannot be thoroughly processed by the blades on the second rotating shaft is solved, and the processing efficiency of the second rotating shaft on paper sheet raw materials is improved.
The invention has the following beneficial effects:
1. according to the environment-friendly mixed pulping process for papermaking, the stirring unit and the controller are arranged, the controller controls the motor to rotate to drive the first rotating shaft which is fixedly connected to rotate, the first rotating shaft drives the cylinder and the supporting plate which are fixedly connected to rotate, meanwhile, the controller controls the cylinder to work, the cylinder shaft on the cylinder does telescopic motion, the first rack on the cylinder shaft is meshed with the first gear on the second rotating shaft for transmission, so that the gear drives the second rotating shaft to periodically rotate forwards and backwards, and the blade on the second rotating shaft rotates; the purpose that the blades cut the paper sheets is achieved through the rotation of the second rotating shaft around the first rotating shaft and the periodic positive and negative rotation of the second rotating shaft.
2. According to the environment-friendly mixed pulping process for papermaking, the auxiliary unit is arranged, the controller controls the cylinder to work, the cylinder shaft on the cylinder makes telescopic motion, and the second rack is connected with the cylinder shaft through the flexible shaft so as to slide in the sliding groove in a reciprocating manner; the meshed second gear is driven to rotate forward and backward through the reciprocating sliding of the second rack; when the second gear positively rotates to pull the steel rope, the steel rope pulls the steel ring to move towards the direction close to the first rotating shaft, so that the scissors are closed; when the second gear rotates reversely, the steel rope is loosened, the end parts of the two knife handles, close to one side of the first rotating shaft, of the scissors move towards the direction close to the V-shaped bracket through the springs, and the scissors are opened; through the periodic opening and closing movement of the scissors, the purpose of further smashing the paper sheets processed by the stirring unit is realized.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a cross-sectional view of a shredder used in the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a cross-sectional view taken at B-B of FIG. 3;
FIG. 5 is an enlarged view of a portion of FIG. 2 at C;
in the figure: the device comprises a motor 1, a first rotating shaft 2, a stirring barrel 3, a feeding hole 31, a discharging hole 32, a stirring unit 4, a cylinder 41, a supporting plate 42, a second rotating shaft 43, a first gear 44, a first rack 45, a cylinder shaft 411, a blade 5, an auxiliary unit 6, a flexible shaft 61, a second rack 62, a second gear 63, a V-shaped bracket 64, a sliding groove 641, a steel rope 65, a steel ring 66, scissors 67, a water bag 7, a water spraying hole 71, a claw pole 8 and a Y-shaped knife rest 9.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 5, the environment-friendly mixed pulping process for papermaking comprises the following steps:
s1: the waste paper is primarily screened, impurities such as steel wires and plastics are filtered out, the damage of the impurities to paper shredding equipment is avoided, the primarily screened waste paper is added into the paper shredding equipment, and a large amount of waste paper is fully cut and smashed through the processing of the paper shredding equipment to form paper scrap;
s2: mixing the shredded paper scraps in the S1 with water according to the ratio of 1:3, adding the mixture into pulping equipment, adding biological enzyme, controlling the proper temperature, mixing and stirring to enable the paper scraps to be quickly pulped and deinked to form primary mixed pulp, adding the primary mixed pulp into a high-frequency vibrating screen, screening and separating impurities in the pulp through the high-frequency vibrating screen, and then increasing the concentration of the pulp through a filter screen to form concentrated mixed pulp;
s3: bleaching, pulping and dehydrating the concentrated mixed pulp in the S2, and then adding the pulp into papermaking equipment for processing and forming to finally complete the whole papermaking process;
the paper shredding device adopted in the S1 comprises a motor 1, a first rotating shaft 2 and a stirring barrel 3; one end of the first rotating shaft 2 is rotatably connected to the middle of the lower bottom plate of the stirring barrel 3 through a bearing, and the other end of the first rotating shaft is rotatably connected to the middle of the upper top plate of the stirring barrel 3 through a bearing and penetrates through the upper top plate of the stirring barrel 3 to be fixedly connected with the output shaft of the motor 1; the upper surface of the stirring barrel 3 is provided with a feeding hole 31, and one side of the lower surface is provided with a discharging hole 32; also comprises a group of stirring units 4 and a controller; the controller is used for controlling the equipment to work; each stirring unit 4 comprises an air cylinder 41, a supporting plate 42, a second rotating shaft 43, a first gear 44 and a first rack 45; one end of the supporting plate 42 is fixedly connected with the first rotating shaft 2; the second rotating shaft 43 is vertically arranged at the other end of the supporting plate 42 through a bearing; the air cylinder 41 is arranged at a corresponding position above the supporting plate 42 in parallel, and one end of the air cylinder is fixedly connected with the first rotating shaft 2; a groove is formed in a cylinder shaft 411 of the cylinder 41; the first rack 45 is arranged in the groove, the first gear 44 is sleeved on the second rotating shaft 43 through a key, and the first gear 44 is in meshing transmission with the first rack 45; a group of blades 5 are arranged on the outer ring of one side of the second rotating shaft 43, which is far away from the supporting plate 42; the second rotating shaft 43 rotates under the simultaneous action of the first rotating shaft 2 and the air cylinder 41 on the second rotating shaft 43, so that the paper sheets are cut by the blade 5 on the second rotating shaft 43;
when in use, the pulping equipment for papermaking exists in the prior art, but the existing pulping equipment for papermaking has the defects that paper sheets cannot be completely processed and cut by the paper shredding equipment of the pulping equipment for papermaking, so that the processed shredded paper is not beneficial to pulping and the quality of papermaking forming is influenced; the invention sets a group of stirring units 4 and a controller; the controller is used for controlling the motor 1 and the air cylinder 41 to work, the motor 1 drives the first rotating shaft 2 to rotate, and the air cylinder 41 controls the second rotating shaft 43 to rotate, so that the blades 5 on the second rotating shaft 43 cut paper sheets; in the environment-friendly mixed pulping process utilizing the invention, firstly, the controller controls the motor 1 to rotate to drive the first rotating shaft 2 fixedly connected with the output shaft of the motor 1 to rotate, the first rotating shaft 2 drives the fixedly connected air cylinder 41 and the supporting plate 42 to rotate, meanwhile, the controller controls the air cylinder 41 to work, the air cylinder shaft 411 on the air cylinder 41 does telescopic motion, the first rack 45 on the air cylinder shaft 411 is in meshing transmission with the first gear 44 on the second rotating shaft 43, so that the first gear 44 drives the second rotating shaft 43 to periodically rotate positively and negatively, and the blade 5 on the second rotating shaft 43 rotates; the paper sheet raw material enters the stirring barrel 3 from the feed inlet 31, is processed by the stirring unit 4 and is discharged from the discharge outlet 32; the purpose that the blade 5 cuts the paper sheets is achieved through the rotation of the second rotating shaft 43 around the first rotating shaft 2 and the periodic positive and negative rotation of the second rotating shaft 43. Compared with the traditional papermaking pulping equipment, the paper sheet raw material cutting machine has the advantages that the effective cutting of the paper sheet raw material by the blades 5 is increased by utilizing the rotation of the second rotating shaft 43 around the first rotating shaft 2 and the periodic positive and negative autorotation of the second rotating shaft 43, so that the paper sheet raw material is processed into more pieces.
As a specific embodiment of the invention, an auxiliary unit 6 is arranged between adjacent cylinders, and the auxiliary unit 6 is used for further smashing the paper sheets processed by the stirring unit 4, so that the purpose of easier pulping of the paper sheets is realized; the auxiliary unit 6 comprises a flexible shaft 61, a second rack 62, a second gear 63, a V-shaped bracket 64, a steel rope 65, a steel ring 66 and scissors 67; the bottom of the V-shaped support 64 is fixedly connected with the first rotating shaft 2, a sliding groove 641 is formed in one end, close to the support plate 42, of the V-shaped support 64, a second gear 63 is rotatably installed in the sliding groove 641, a second rack 62 is slidably installed, and the second gear 63 is in meshing transmission with the second rack 62; one end of the flexible shaft 61 is fixedly connected with the cylinder shaft 411, and the other end of the flexible shaft is fixedly connected with one end of the second rack 62; the scissors 67 are arranged on the inner side of the V-shaped support 64, the joint of the two handles of the scissors 67 is fixedly connected with the V-shaped support 64 through a bent rod, and the two handles of the scissors 67 close to one end of the first rotating shaft 2 are fixedly connected with the surface, far away from the first rotating shaft 2, of the V-shaped support 64 through springs; the steel ring 66 is slidably mounted at one end of the scissors 67 close to the first rotating shaft 2, and the steel ring 66 is positioned at the outer side of one end of the scissors 67 close to the first rotating shaft 2; one end of the steel rope 65 is fixedly connected with the middle of the steel ring 66, and the other end of the steel rope is connected to a rotating shaft of the second gear 63; through the rotation of the second gear 63, the steel rope 65 pulls the steel ring 66 to move towards the direction close to the first rotating shaft 2, and the closing movement of the scissors 67 is realized;
when the device is used, the auxiliary unit 6 is arranged, the controller controls the air cylinder 41 to work, the air cylinder shaft 411 on the air cylinder 41 makes telescopic motion, and the second rack 62 is connected with the air cylinder shaft 411 through the flexible shaft 61, so that the second rack 62 slides in the sliding groove 641 in a reciprocating manner; when the cylinder shaft 411 extends outwards, the second rack 62 slides towards the direction of the first rotating shaft 2 in the sliding groove 641, so that the second gear 63 in meshing transmission rotates, the steel rope 65 connected to the rotating shaft is pulled, the steel rope 65 pulls the steel ring 66 to move towards the direction close to the first rotating shaft 2, the steel ring 66 slides on the outer side of one end, close to the first rotating shaft 2, of the scissors 67, and one end, far away from the first rotating shaft 2, of the scissors 67 is closed; when the cylinder shaft 411 contracts, the second rack 62 moves towards the direction far away from the first rotating shaft 2 in the sliding groove 641, so that the meshed second gear 63 rotates, the steel rope 65 connected to the rotating shaft is loosened, meanwhile, the end parts of the two knife handles, close to one side of the first rotating shaft 2, of the scissors 67 move towards the direction close to the V-shaped bracket 64 through the springs, so that the scissors 67 are opened, the steel ring 66 slides towards the direction far away from the first rotating shaft 2, and the steel rope 65 is tightened; through the periodic opening and closing movement of the scissors 67, the problem that the stirring unit 4 cannot thoroughly break the paper sheet raw material is solved, and the purpose of further breaking the paper sheets processed by the stirring unit 4 is realized.
As a specific embodiment of the invention, a water bag 7 is arranged on the surface of the V-shaped bracket 64 far away from the first rotating shaft 2, and a water spraying hole 71 is arranged on the water bag 7; the steel ring 66 moves towards the direction close to the first rotating shaft 2 to extrude the water bag 7, so that water in the water bag 7 is sprayed on the blade at one end of the scissors 67 far away from the first rotating shaft 2, and the purpose of cleaning paper scraps on the blade at one end of the scissors 67 far away from the first rotating shaft 2 is achieved;
when the pair of scissors 67 is used, the water bag 7 is arranged, when the steel rope 65 pulls the steel ring 66 to move towards the direction close to the first rotating shaft 2, the steel ring 66 presses the water bag 7 arranged on the surface of the V-shaped support 64 far away from the first rotating shaft 2, so that water in the water bag 7 is sprayed to the cutting edge of the scissors 67 at the end far away from the first rotating shaft 2, meanwhile, the water is in contact with processed paper sheets, the paper sheets are easy to pulp, the problem that when the scissors 67 process the paper sheets, the paper sheets are accumulated on the cutting edge at the end of the scissors 67 far away from the first rotating shaft 2, and the work of the scissors 67 is influenced is solved, the work efficiency of the scissors 67 is improved, and the difficulty of paper sheet pulping.
As a specific embodiment of the present invention, the steel ring 66 is provided with an elastic claw rod 8, and a through hole is formed in the middle of the claw rod 8 and is used for leaving a channel for the steel cable 65; one end of the claw pole 8 is fixedly connected with the middle of the steel ring 66, and the other end of the claw pole is in sliding contact with the surface of the V-shaped bracket 64 far away from the first rotating shaft 2; the steel ring 66 moves towards the direction close to the first rotating shaft 2, so that the claw rod 8 deforms, the purpose that the tail end of the claw rod 8 slides on the surface of the V-shaped support 64 far away from the first rotating shaft 2, and paper scraps on the surface of the V-shaped support 64 far away from the first rotating shaft 2 are cleaned is achieved;
when the elastic claw pole 8 is used, the claw pole 8 arranged in the middle of the steel ring 66 moves towards the direction close to the first rotating shaft 2 when the steel rope 65 pulls the steel ring 66 to move towards the direction close to the first rotating shaft 2, the tail end of the claw pole 8 is contacted with the two surfaces, far away from the first rotating shaft 2, of the V-shaped support 64 to deform, meanwhile, the claw pole slides on the surface, far away from the first rotating shaft 2, of the V-shaped support 64, paper sheets on the surface, far away from the first rotating shaft 2, of the V-shaped support 64 are removed, and when the steel ring 66 moves towards the direction far away from the first rotating shaft 2, the elastic claw pole 8 restores to the original shape; the problem that paper sheets are stacked on the surface of the V-shaped support 64 far away from the first rotating shaft 2 to influence the work of the auxiliary unit 6 is solved, and through the periodic movement of the horn rod 8, the work efficiency of the auxiliary unit 6 is improved, so that the paper sheets are processed more thoroughly.
As a specific embodiment of the invention, a Y-shaped tool rest 9 is mounted on one end of the second rotating shaft 43 away from the supporting plate 42, and a group of blades 5 are mounted on both supports of the Y-shaped tool rest 9; the Y-shaped knife rest 9 rotates through the rotation of the second rotating shaft 43, so that the purpose that the paper sheets are cut into more pieces by the Y-shaped knife rest 9 is achieved;
when the paper cutting machine is used, the Y-shaped knife rest 9 is arranged at one end of the second rotating shaft 43, which is far away from the supporting plate 42, and when the second rotating shaft 43 rotates forwards and backwards periodically, the Y-shaped knife rest 9 arranged at one end of the second rotating shaft 43, which is far away from the supporting plate 42, rotates, so that paper sheets contact with the Y-shaped knife rest 9 and are cut into smaller pieces; the Y-shaped tool rest 9 is driven to rotate through the second rotating shaft 43 and the Y-shaped tool rest 9 rotates around the first rotating shaft 2, so that the problem that the blade 5 on the second rotating shaft 43 cannot completely process paper scraps is solved, and the processing efficiency of the second rotating shaft 43 on paper scraps is improved.
When the device is used, firstly, the controller controls the motor 1 to rotate to drive the first rotating shaft 2 fixedly connected to the output shaft of the motor to rotate, the first rotating shaft 2 drives the fixedly connected air cylinder 41 and the supporting plate 42 to rotate, meanwhile, the controller controls the air cylinder 41 to work, the air cylinder shaft 411 on the air cylinder 41 makes telescopic motion, the first rack 45 on the air cylinder shaft 411 is in meshing transmission with the first gear 44 on the second rotating shaft 43, so that the gear drives the second rotating shaft 43 to periodically rotate positively and negatively, and the blade 5 on the second rotating shaft 43 rotates; the paper sheet raw material enters the stirring barrel 3 from the feed inlet 31, is processed by the stirring unit 4 and is discharged from the discharge outlet 32; the purpose that the blades 5 cut the paper sheets is achieved through the rotation of the second rotating shaft 43 around the first rotating shaft 2 and the periodic positive and negative rotation of the second rotating shaft 43; the controller controls the cylinder 41 to work, the cylinder shaft 411 on the cylinder 41 makes telescopic motion, and the second rack 62 is connected with the cylinder shaft 411 through the flexible shaft 61, so that the second rack 62 slides in the sliding groove 641 in a reciprocating manner; when the cylinder shaft 411 extends outwards, the second rack 62 slides towards the direction of the first rotating shaft 2 in the sliding groove 641, so that the second gear 63 in meshing transmission rotates, the steel rope 65 connected to the rotating shaft is pulled, the steel rope 65 pulls the steel ring 66 to move towards the direction close to the first rotating shaft 2, the steel ring 66 slides on the outer side of one end, close to the first rotating shaft 2, of the scissors 67, and one end, far away from the first rotating shaft 2, of the scissors 67 is closed; when the cylinder shaft 411 contracts, the second rack 62 moves towards the direction far away from the first rotating shaft 2 in the sliding groove 641, so that the meshed second gear 63 rotates, the steel rope 65 connected to the rotating shaft is loosened, meanwhile, the end parts of the two knife handles, close to one side of the first rotating shaft 2, of the scissors 67 move towards the direction close to the V-shaped bracket 64 through the springs, so that the scissors 67 are opened, the steel ring 66 slides towards the direction far away from the first rotating shaft 2, and the steel rope 65 is tightened; when the steel rope 65 pulls the steel ring 66 to move towards the direction close to the first rotating shaft 2, the steel ring 66 extrudes the water bag 7 arranged on the surface of the V-shaped support 64 far away from the first rotating shaft 2, so that water in the water bag 7 is sprayed to the cutting edge of the scissors 67 at one end far away from the first rotating shaft 2, and meanwhile, the water is contacted with the processed paper sheets, so that the paper sheets are easier to pulp; when the steel rope 65 pulls the steel ring 66 to move towards the direction close to the first rotating shaft 2, the claw rod 8 arranged in the middle of the steel ring 66 moves towards the direction close to the first rotating shaft 2, the tail end of the claw rod 8 is in contact with two surfaces, far away from the first rotating shaft 2, of the V-shaped support 64 to deform, meanwhile, the claw rod slides on the surface, far away from the first rotating shaft 2, of the V-shaped support 64, paper pieces on the surface, far away from the first rotating shaft 2, of the V-shaped support 64 are removed, and when the steel ring 66 moves towards the direction far away from the first rotating shaft 2, the elastic claw rod 8 restores to the original shape; when the second rotating shaft 43 rotates forwards and backwards periodically, the Y-shaped knife rest 9 arranged at one end of the second rotating shaft 43 far away from the supporting plate 42 rotates, so that the paper sheet contacts with the Y-shaped knife rest 9 and is cut into pieces.
The front, the back, the left, the right, the upper and the lower are all based on the figure 2 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
Finally, it should be pointed out that: the above examples are only for illustrating the technical solutions of the present invention, and are not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention. All other embodiments obtained by a person skilled in the art without making any inventive step are within the scope of protection of the present invention.
Claims (6)
1. The environment-friendly mixed pulping process for papermaking is characterized by comprising the following steps of: the process comprises the following steps:
s1: the waste paper is primarily screened, impurities such as steel wires and plastics are filtered out, the damage of the impurities to paper shredding equipment is avoided, the primarily screened waste paper is added into the paper shredding equipment, and a large amount of waste paper is fully cut and smashed through the processing of the paper shredding equipment to form paper scrap;
s2: mixing the shredded paper scraps in the S1 with water according to the ratio of 1:3, adding the mixture into pulping equipment, adding biological enzyme, controlling the proper temperature, mixing and stirring to enable the paper scraps to be quickly pulped and deinked to form primary mixed pulp, adding the primary mixed pulp into a high-frequency vibrating screen, screening and separating impurities in the pulp through the high-frequency vibrating screen, and then increasing the concentration of the pulp through a filter screen to form concentrated mixed pulp;
s3: bleaching, pulping and dehydrating the concentrated mixed pulp in the S2, and then adding the pulp into papermaking equipment for processing and forming to finally complete the whole papermaking process;
the paper shredding device adopted in the S1 comprises a motor (1), a first rotating shaft (2) and a stirring barrel (3); one end of the first rotating shaft (2) is rotatably connected to the middle of the lower bottom plate of the stirring barrel (3) through a bearing, the other end of the first rotating shaft is rotatably connected to the middle of the upper top plate of the stirring barrel (3) through a bearing, and the first rotating shaft penetrates through the upper top plate of the stirring barrel (3) and is fixedly connected with an output shaft of the motor (1); a feed inlet (31) is formed in the upper surface of the stirring barrel (3), and a discharge outlet (32) is formed in one side of the lower surface of the stirring barrel; the device also comprises a group of stirring units (4) and a controller; the controller is used for controlling the equipment to work; each stirring unit (4) comprises an air cylinder (41), a supporting plate (42), a second rotating shaft (43), a first gear (44) and a first rack (45); one end of the supporting plate (42) is fixedly connected with the first rotating shaft (2); the second rotating shaft (43) is vertically arranged at the other end of the supporting plate (42) through a bearing; the air cylinder (41) is arranged at a corresponding position above the supporting plate (42) in parallel, and one end of the air cylinder is fixedly connected with the first rotating shaft (2); a cylinder shaft (411) of the cylinder (41) is provided with a groove; the first rack (45) is arranged in the groove, the first gear (44) is sleeved on the second rotating shaft (43) through a key, and the first gear (44) is in meshing transmission with the first rack (45); a group of blades (5) are arranged on the outer ring of one side of the second rotating shaft (43) far away from the supporting plate (42); through the simultaneous action of the first rotating shaft (2) and the air cylinder (41) on the second rotating shaft (43), the second rotating shaft (43) rotates, and the paper sheets are cut by the blades (5) on the second rotating shaft (43).
2. The environment-friendly mixed pulping process for papermaking according to claim 1, characterized in that: an auxiliary unit (6) is arranged between the adjacent cylinders (41); the auxiliary unit (6) is used for further smashing the paper sheets processed by the stirring unit (4), so that the purpose of easier beating of the paper sheets is achieved.
3. The environment-friendly mixed pulping process for papermaking according to claim 2, characterized in that: the auxiliary unit (6) comprises a flexible shaft (61), a second rack (62), a second gear (63), a V-shaped bracket (64), a steel rope (65), a steel ring (66) and scissors (67); the bottom of the V-shaped support (64) is fixedly connected with the first rotating shaft (2), a sliding groove (641) is formed in one end, close to the supporting plate (42), of the V-shaped support (64), a second gear (63) is rotatably mounted in the sliding groove (641), a second rack (62) is slidably mounted, and the second gear (63) is in meshing transmission with the second rack (62); one end of the flexible shaft (61) is fixedly connected with the cylinder shaft (411), and the other end of the flexible shaft is fixedly connected with one end of the second rack (62); the scissors (67) are arranged on the inner side of the V-shaped support (64), the joint of the two handles of the scissors (67) is fixedly connected with the V-shaped support (64) through a bent rod, and the two handles of the scissors (67) close to one end of the first rotating shaft (2) are fixedly connected with the surface, far away from the first rotating shaft (2), of the V-shaped support (64) through springs; the steel ring (66) is slidably mounted at one end, close to the first rotating shaft (2), of the scissors (67), and the steel ring (66) is located on the outer side of one end, close to the first rotating shaft (2), of the scissors (67); one end of the steel rope (65) is fixedly connected with the middle of the steel ring (66), and the other end of the steel rope is connected to a rotating shaft of the second gear (63); through the rotation of the second gear (63), the steel rope (65) pulls the steel ring (66) to move towards the direction close to the first rotating shaft (2), and the closing movement of the scissors (67) is realized.
4. The environment-friendly mixed pulping process for papermaking according to claim 3, characterized in that: a water bag (7) is arranged on the surface of the V-shaped support (64) far away from the first rotating shaft (2), and a water spraying hole (71) is formed in the water bag (7); the steel ring (66) moves towards the direction close to the first rotating shaft (2) to extrude the water bag (7), so that water in the water bag (7) is sprayed on the blade of the scissors (67) far away from one end of the first rotating shaft (2), and the purpose of cleaning paper scraps on the blade of the scissors (67) far away from one end of the first rotating shaft (2) is achieved.
5. The environment-friendly mixed pulping process for papermaking according to claim 4, characterized in that: the steel ring (66) is provided with an elastic claw rod (8), a through hole is formed in the middle of the claw rod (8), and the through hole is used for reserving a channel for the steel rope (65); one end of the claw rod (8) is fixedly connected with the middle of the steel ring (66), and the other end of the claw rod is in sliding contact with the surface, far away from the first rotating shaft (2), of the V-shaped support (64); move to the direction that is close to a axis of rotation (2) through steel ring (66) for horn pole (8) take place to deform, realize horn pole (8) end and keep away from a purpose of the wastepaper on the surface of axis of rotation (2) at V-arrangement support (64) and slide, clearance V-arrangement support (64) keep away from a axis of rotation (2).
6. The environment-friendly mixed pulping process for papermaking according to claim 5, characterized in that: one end of the second rotating shaft (43), which is far away from the supporting plate (42), is provided with a Y-shaped tool rest (9), and two supports of the Y-shaped tool rest (9) are provided with a group of blades (5); through the rotation of the second rotating shaft (43), the Y-shaped knife rest (9) rotates, and the purpose that the paper sheets are cut into more pieces by the Y-shaped knife rest (9) is achieved.
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| CN202110049239.8A CN112832050A (en) | 2021-01-14 | 2021-01-14 | Environment-friendly mixed pulping process for papermaking |
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| CN202110049239.8A CN112832050A (en) | 2021-01-14 | 2021-01-14 | Environment-friendly mixed pulping process for papermaking |
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Cited By (1)
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| CN113802405A (en) * | 2021-09-23 | 2021-12-17 | 山东北方造纸机械有限公司 | High-efficiency energy-saving paper machine |
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