CN112622342A - High-quantitative high-strength corrugated carton energy-saving production process - Google Patents
High-quantitative high-strength corrugated carton energy-saving production process Download PDFInfo
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- CN112622342A CN112622342A CN201910952079.0A CN201910952079A CN112622342A CN 112622342 A CN112622342 A CN 112622342A CN 201910952079 A CN201910952079 A CN 201910952079A CN 112622342 A CN112622342 A CN 112622342A
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F9/00—Complete machines for making continuous webs of paper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/14—Cutting, e.g. perforating, punching, slitting or trimming
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/25—Surface scoring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/60—Uniting opposed surfaces or edges; Taping
- B31B50/68—Uniting opposed surfaces or edges; Taping by stitching, stapling or riveting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/20—Corrugating; Corrugating combined with laminating to other layers
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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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- 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
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/02—Methods of beating; Beaters of the Hollander type
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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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/36—Polyalkenyalcohols; Polyalkenylethers; Polyalkenylesters
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
- D21H17/55—Polyamides; Polyaminoamides; Polyester-amides
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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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/66—Salts, e.g. alums
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
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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
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/16—Sizing or water-repelling agents
-
- 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
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/18—Reinforcing agents
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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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Dispersion Chemistry (AREA)
- Cartons (AREA)
- Paper (AREA)
Abstract
The invention discloses a high-quantitative high-strength corrugated carton energy-saving production process which comprises the following steps of firstly preparing paper pulp, soaking collected waste cartons, waste magazines and old newspapers in water, soaking for 20-24h, then putting the soaked waste cartons, the waste magazines and the old newspapers into a grinder to grind, removing impurities, slag and coarse fibers, enabling the fiber length of the residual fiber slurry to be 1.0-1.5mm, and reserving the slurry to obtain screened fiber slurry; secondly, pulping and mixing the fiber pulp, firstly pulping the fiber pulp, controlling the pulping degree to be 20-30 DEG SR and the humidity to be 3-5g, then mixing the pulp to obtain the evenly mixed pulp, standing for 150min, and controlling the concentration of the pulp to be 1.0-1.5% to obtain the pulp for preparing the paper; according to the energy-saving production process for the high-quantitative high-strength corrugated case, the structural strength and the compressive strength of the corrugated case are greatly improved through the strengthening treatment and the gluing treatment, and meanwhile, the service life of the corrugated case is prolonged.
Description
Technical Field
The invention belongs to the technical field of carton processing, and particularly relates to a high-ration high-strength energy-saving production process for corrugated cartons.
Background
The corrugated case is a packaging product with the widest application, has the characteristics of lightness, firmness, vibration reduction and suitability for mechanized production, is always used for transport packaging and sale packaging for many years, and particularly has the advantage of recycling under the condition that environmental protection is very important in all countries in the world at present, so that the corrugated case is beneficial to environmental protection, loading and unloading transportation, wood saving and the like; and traditional corrugated box has certain drawback when using, and traditional corrugated box is because compressive strength is low when lieing in to store and pile up, makes it can appear the carton and warp when piling up and depositing, and corrugated box topples over, leads to the article of depositing in the corrugated box to damage, and traditional corrugated box is difficult for using under humid environment simultaneously, and dampproofing effect is unsatisfactory, brings inconvenience for the use, for this reason, we propose a high ration high strength corrugated box energy-conserving production technology.
Disclosure of Invention
The invention mainly aims to provide an energy-saving production process for a high-quantitative high-strength corrugated carton, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
the energy-saving production process of the high-quantitative high-strength corrugated carton comprises the following steps:
firstly, preparing paper pulp from raw materials, namely soaking collected waste cardboard boxes, waste magazines and old newspapers in water, soaking for 20-24 hours, then putting the soaked waste cardboard boxes, waste magazines and old newspapers into a grinder to grind, and removing impurities, slag and crude fibers to enable the fiber length of the residual fiber pulp to be 1.0-1.5mm, wherein the pulp is reserved to obtain screened fiber pulp;
secondly, pulping and mixing the screened fiber pulp, firstly pulping the fiber pulp, controlling the pulping degree to be 20-30 DEG SR and the humidity to be 3-5g, then mixing the pulp to obtain uniformly mixed pulp, standing for 150min, and controlling the concentration of the pulp to be 1.0-1.5% to obtain the pulp for preparing paper;
step three, performing enhancement treatment on the obtained prepared paper pulp, putting the additive into the paper pulp, mixing and stirring, fully and uniformly mixing, and standing for 60-100min to obtain high-quantitative and high-strength paper pulp suitable for production;
step four, preparing raw paper by using the high-quantitative and high-strength paper pulp suitable for production, performing press forming on the paper pulp by using a paper machine, placing the paper subjected to press forming into a drying cylinder, controlling the temperature at 100 ℃ and 120 ℃, controlling the water content of the paper to be 3-6%, and then placing into a cool room for airing and air-drying to obtain the prepared raw paper;
step five, compounding the prepared raw paper, namely firstly carrying out surface gluing treatment on the prepared raw paper by using a gluing machine, drying, and then overlapping a plurality of dried raw paper and carrying out rolling compounding by using a corrugating machine to obtain a prepared corrugated paper board;
pressing lines and slotting the prepared corrugated paper board, firstly pressing the lines according to the specification of the carton to be produced by using a corrugating machine, then transversely pressing the lines by using a slotting machine and a gluing machine, cutting the corrugated board into corresponding equal paper boards according to the required specification and size by using a cutting machine, and then slotting for smoothly folding the upper rocking cover and the lower rocking cover by using the slotting machine to obtain the slotted corrugated board;
and step seven, combining the obtained grooved corrugated boards, and fixedly combining the cut corrugated boards by rivets by using a box nailing machine to finish the production process of the corrugated case, thereby finally obtaining the high-quantitative and high-strength corrugated case finished product.
Preferably, the reinforcing agent in the third step is prepared by mixing and stirring 6 parts of ethylene copolymer, 3 parts of stabilizing agent, 2 parts of silicon dioxide, 12 parts of polyamide-imide rubber and 3 parts of phosphite according to parts by weight.
Preferably, the pressure in the step four is controlled to be 8-10MPa, and the time duration is 120-150 min.
Preferably, the surface sizing pressure during sizing treatment in the fifth step is controlled to be 45-50KN/M, and the sizing degree is controlled to be 0.5-0.6 mm.
Preferably, the adhesive in the sixth step is polyvinyl acetate emulsion with the viscosity of 2000-2500 Pa.s.
Compared with the prior art, the invention has the following beneficial effects: this energy-conserving production technology of high ration high strength corrugated box, make the corrugated box glossiness number of making through the fiber slurry who uses the same kind within range, the paper article uniformity is balanced, strengthening treatment and rubberizing have been increased simultaneously, make corrugated box's structure degree high, compressive strength is high, the phenomenon of toppling over that corrugated box compressive strength is not enough and produce can not appear when transportation is piled up or the warehouse is deposited, the inside security and the integrality of depositing article of corrugated box has been guaranteed, and adopt the rubberizing to handle, make corrugated box possess dampproofing effect under moist environment, make moisture can not enter into inside the corrugated box, corrugated box's life has also been increased, this technology is energy-concerving and environment-protective, good application prospect has.
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.
Example 1
During production, firstly, soaking the collected waste cardboard boxes, waste magazines and old newspapers in water, putting the waste cardboard boxes, the waste magazines and the old newspapers into a grinder for grinding after soaking for 20-24h, and removing impurities, slag and crude fibers to enable the fiber length in the residual fiber slurry to be 1.0-1.5mm, wherein the slurry is reserved to obtain screened fiber slurry; pulping and mixing the screened fiber pulp, pulping the fiber pulp, controlling the pulping degree to be 25 DEG SR and the humidity to be 3g, mixing the pulp, obtaining the uniformly mixed pulp, standing for 120min, and controlling the pulp concentration to be 1.2 percent to obtain the pulp for preparing paper; performing reinforcement treatment on the obtained prepared paper pulp, putting an enhancer into the paper pulp, mixing and stirring, fully and uniformly mixing, and standing for 80min, wherein the enhancer is prepared by mixing and stirring 6 parts by weight of an ethylene copolymer, 3 parts by weight of a stabilizer, 2 parts by weight of silicon dioxide, 12 parts by weight of polyamide-imide and 3 parts by weight of phosphite according to the parts by weight, so as to obtain high-quantitative and high-strength paper pulp suitable for production; preparing base paper by using the obtained high-quantitative and high-strength paper pulp suitable for production, carrying out press forming on the paper pulp by using a paper machine, controlling the pressure at 8Mpa during the press forming and the time duration at 130min, then putting the paper subjected to press forming into a drying cylinder, controlling the temperature at 100 ℃ and the water content at 3%, and then putting the paper into a cool room for airing and air-drying to obtain the prepared base paper; performing composite treatment on the prepared raw paper, firstly performing surface sizing treatment on the prepared raw paper by using a sizing machine, controlling the surface sizing pressure at 46KN/M and the sizing degree at 0.5mm during the sizing treatment, drying, and then overlapping a plurality of dried raw paper and laminating and compounding the raw paper by using a corrugating machine to obtain a prepared corrugated paper board; performing line pressing and slotting treatment on the prepared corrugated paper board, firstly performing line pressing treatment on the corrugated paper board by using a corrugating machine according to the specification of a carton to be produced, then performing transverse line pressing by using a slotting machine and a bonding machine, wherein the bonding agent is polyvinyl acetate emulsion, the viscosity of the polyvinyl acetate emulsion is 2300Pa.s, cutting the corrugated board into corresponding equal paper boards according to the required specification and size by using a cutting machine, and secondly opening a slit groove which enables upper and lower rocking covers to be smoothly folded by using the slotting machine to obtain the slotted corrugated board; combining the obtained grooved corrugated boards, and fixedly combining the cut corrugated boards by rivets by using a carton stapler to complete the production process of the corrugated carton;
the prepared corrugated case sample is tested by using a pressure table, the pressure value is 25kg and the compressive strength is 3700N after detection,
secondly, the prepared corrugated paper sample is placed into water with the temperature of 50-80 ℃ for soaking for 15min, and detection shows that no water stain exists inside the corrugated paper box and no permeation exists at the bottom of the corrugated paper box.
Example 2
During production, firstly, soaking the collected waste cardboard boxes, waste magazines and old newspapers in water, putting the waste cardboard boxes, the waste magazines and the old newspapers into a grinder for grinding after soaking for 20-24h, and removing impurities, slag and crude fibers to enable the fiber length in the residual fiber slurry to be 1.0-1.5mm, wherein the slurry is reserved to obtain screened fiber slurry; pulping and mixing the screened fiber pulp, pulping the fiber pulp, controlling the pulping degree to be 30 DEG SR and the humidity to be 4g, mixing the pulp, obtaining the uniformly mixed pulp, standing for 140min, and controlling the concentration of the pulp to be 1.5 percent to obtain the pulp for preparing paper; performing reinforcement treatment on the obtained prepared paper pulp, putting an enhancer into the paper pulp, mixing and stirring, fully and uniformly mixing, and standing for 100min, wherein the enhancer is prepared by mixing and stirring 6 parts by weight of an ethylene copolymer, 3 parts by weight of a stabilizer, 2 parts by weight of silicon dioxide, 12 parts by weight of polyamide-imide and 3 parts by weight of phosphite according to the parts by weight, so as to obtain high-quantitative and high-strength paper pulp suitable for production; preparing base paper by using the obtained high-quantitative and high-strength paper pulp suitable for production, carrying out press forming on the paper pulp by using a paper machine, controlling the pressure at 10Mpa and the time at 150min during the press forming, putting the paper subjected to press forming into a drying cylinder, controlling the temperature at 120 ℃ and the water content at 5%, and then putting the paper into a cool room for airing and air drying to obtain the prepared base paper; performing composite treatment on the prepared raw paper, firstly performing surface sizing treatment on the prepared raw paper by using a sizing machine, controlling the surface sizing pressure at 50KN/M and the sizing degree at 0.6mm during the sizing treatment, drying, and then overlapping a plurality of dried raw paper and laminating and compounding the raw paper by using a corrugating machine to obtain a prepared corrugated paper board; performing line pressing and slotting treatment on the prepared corrugated paper board, firstly performing line pressing treatment on the corrugated paper board by using a corrugating machine according to the specification of a carton to be produced, then performing transverse line pressing by using a slotting machine and a bonding machine, wherein the bonding agent is polyvinyl acetate emulsion, the viscosity of the polyvinyl acetate emulsion is 2500Pa.s, cutting the corrugated board into corresponding equal paper boards according to the required specification and size by using a cutting machine, and secondly opening a slit groove which enables upper and lower rocking covers to be smoothly folded by using the slotting machine to obtain the slotted corrugated board; combining the obtained grooved corrugated boards, and fixedly combining the cut corrugated boards by rivets by using a carton stapler to complete the production process of the corrugated carton;
the prepared corrugated case sample is tested by using a pressure table, the pressure value is 24kg and the compressive strength is 3810N after detection,
secondly, the prepared corrugated paper sample is placed into water with the temperature of 50-80 ℃ for soaking for 15min, and detection shows that no water stain exists inside the corrugated paper box and no permeation exists at the bottom of the corrugated paper box.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The energy-saving production process of the high-quantitative high-strength corrugated carton is characterized by comprising the following steps of:
firstly, preparing paper pulp from raw materials, namely soaking collected waste cardboard boxes, waste magazines and old newspapers in water, soaking for 20-24 hours, then putting the soaked waste cardboard boxes, waste magazines and old newspapers into a grinder to grind, and removing impurities, slag and crude fibers to enable the fiber length of the residual fiber pulp to be 1.0-1.5mm, wherein the pulp is reserved to obtain screened fiber pulp;
secondly, pulping and mixing the screened fiber pulp, firstly pulping the fiber pulp, controlling the pulping degree to be 20-30 DEG SR and the humidity to be 3-5g, then mixing the pulp to obtain uniformly mixed pulp, standing for 150min, and controlling the concentration of the pulp to be 1.0-1.5% to obtain the pulp for preparing paper;
step three, performing enhancement treatment on the obtained prepared paper pulp, putting the additive into the paper pulp, mixing and stirring, fully and uniformly mixing, and standing for 60-100min to obtain high-quantitative and high-strength paper pulp suitable for production;
step four, preparing raw paper by using the high-quantitative and high-strength paper pulp suitable for production, performing press forming on the paper pulp by using a paper machine, placing the paper subjected to press forming into a drying cylinder, controlling the temperature at 100 ℃ and 120 ℃, controlling the water content of the paper to be 3-6%, and then placing into a cool room for airing and air-drying to obtain the prepared raw paper;
step five, compounding the prepared raw paper, namely firstly carrying out surface gluing treatment on the prepared raw paper by using a gluing machine, drying, and then overlapping a plurality of dried raw paper and carrying out rolling compounding by using a corrugating machine to obtain a prepared corrugated paper board;
pressing lines and slotting the prepared corrugated paper board, firstly pressing the lines according to the specification of the carton to be produced by using a corrugating machine, then transversely pressing the lines by using a slotting machine and a gluing machine, cutting the corrugated board into corresponding equal paper boards according to the required specification and size by using a cutting machine, and then slotting for smoothly folding the upper rocking cover and the lower rocking cover by using the slotting machine to obtain the slotted corrugated board;
and step seven, combining the obtained grooved corrugated boards, and fixedly combining the cut corrugated boards by rivets by using a box nailing machine to finish the production process of the corrugated case, thereby finally obtaining the high-quantitative and high-strength corrugated case finished product.
2. The energy-saving production process of the high-quantitative high-strength corrugated case as claimed in claim 1, wherein: the reinforcing agent in the third step is prepared by mixing and stirring 6 parts of ethylene copolymer, 3 parts of stabilizing agent, 2 parts of silicon dioxide, 12 parts of polyamide-imide rubber and 3 parts of phosphite according to parts by weight.
3. The energy-saving production process of the high-quantitative high-strength corrugated case as claimed in claim 1, wherein: in the fourth step, the pressure is controlled at 8-10MPa during the pressing and forming, and the duration is 120-150 min.
4. The energy-saving production process of the high-quantitative high-strength corrugated case as claimed in claim 1, wherein: and in the step five, the surface sizing pressure is controlled to be 45-50KN/M during sizing treatment, and the sizing degree is controlled to be 0.5-0.6 mm.
5. The preparation process of the energy-saving production process of the high-basis-weight high-strength corrugated case as claimed in claim 1, wherein the preparation process comprises the following steps: in the sixth step, the adhesive is polyvinyl acetate emulsion with the viscosity of 2000-2500 Pa.s.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113910671A (en) * | 2021-09-03 | 2022-01-11 | 山东奇润机械设备有限公司 | Production process of concave surface packaging box |
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| CN105479805A (en) * | 2014-09-19 | 2016-04-13 | 丹阳市华兴纸箱有限公司 | Production process for corrugated carton |
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