CN110983854A - Production process of high-strength corrugated paper - Google Patents
Production process of high-strength corrugated paper Download PDFInfo
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- CN110983854A CN110983854A CN201911334784.0A CN201911334784A CN110983854A CN 110983854 A CN110983854 A CN 110983854A CN 201911334784 A CN201911334784 A CN 201911334784A CN 110983854 A CN110983854 A CN 110983854A
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- corrugated paper
- pulp
- paper
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- slurry
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
- D21F11/12—Making corrugated paper or board
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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
- D21B1/34—Kneading or mixing; Pulpers
- D21B1/345—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
- D21D1/20—Methods of refining
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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
- D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
- D21D5/02—Straining or screening the pulp
- D21D5/06—Rotary screen-drums
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Abstract
The invention relates to the technical field of high-strength corrugated paper production, and particularly discloses a production process of high-strength corrugated paper, which comprises the following steps: step S1: selecting and manufacturing corrugated paper raw materials; step S2: crushing raw materials of corrugated paper; step S3: removing impurities from the crushed slurry; step S4: rolling the pulp into base paper; step S5: bonding the pulp base paper into corrugated paper; step S6: drying glue on the corrugated paper; the pulp after being crushed is subjected to impurity removal twice through the fiber separator and the upflow pressure screen, so that the completeness of impurity removal in the pulp is ensured, the quality of corrugated paper production is ensured, meanwhile, the pulp after backflow of the upflow pressure screen is further ground through the pulp grinder, and the ground pulp is screened and utilized, so that the reasonable utilization of resources is realized, the waste of resources is avoided, and the cost of corrugated paper production is reduced.
Description
Technical Field
The invention relates to the technical field of production of high-strength corrugated paper, in particular to a production process of high-strength corrugated paper.
Background
The high-strength corrugated paper is a plate-shaped object formed by bonding liner paper and wavelike high-strength corrugated paper formed by processing corrugated rods, and is generally divided into a single high-strength corrugated paper board and a double high-strength corrugated paper board.
During current corrugated paper preparation, need carry out edulcoration and filtration to the thick liquids that the raw materials was made, at the edulcoration in-process, do not carry out reasonable utilization to the raw materials that filters to having caused the waste of a large amount of corrugated paper raw materials, having reduced the productivity of corrugated paper, having increased the cost of corrugated paper production simultaneously, thoroughly inadequately to the impurity removal in the corrugated paper raw materials simultaneously, thereby having a small amount of impurity in making the thick liquids, reduced the quality of the corrugated paper of production.
Based on the above, the invention designs a production process of high-strength corrugated paper to solve the problems.
Disclosure of Invention
The invention aims to provide a production process of high-strength corrugated paper, which aims to solve the problems that the filtration and impurity removal of slurry in the background technology are not sufficient, so that the quality of the corrugated paper is reduced, and the raw material of the corrugated paper after impurity removal is not fully utilized, so that the resource is wasted.
In order to achieve the purpose, the invention provides the following technical scheme: a production process of high-strength corrugated paper comprises the following steps:
step S1: selecting and manufacturing corrugated paper raw materials;
step S2: crushing raw materials of corrugated paper;
step S3: removing impurities from the crushed slurry;
step S4: rolling the pulp into base paper;
step S5: bonding the pulp base paper into corrugated paper;
step S6: and drying the glue on the corrugated paper.
Preferably, in step S1, the corrugated paper material is a tree, the trunk is peeled, the tree is placed inside the pulper, the pulper is opened to smash the tree, and when the corrugated paper material is fully smashed, the corrugated paper material is completely manufactured.
Preferably, in step S2, the corrugated paper stock is placed in a large autoclave, then a solution of sodium hydroxide, sulfate, sulfide and sulfite is added to the autoclave, then the autoclave is heated, and then the pressure in the autoclave is released, and the stock is disintegrated into pulp.
Preferably, in step S3, the pulp after being pulped is first added into a defibrator, the defibrator is opened to defiber and preliminarily remove impurities from the pulp, the pulp after preliminarily removing the impurities is then added onto a rising pressure screen, the rising pressure screen is opened, the pulp is refined, further impurities are removed from the pulp, the pulp after being refluxed by the rising pressure screen is added into a refiner, the refiner is opened, the refluxed pulp is ground by the refiner, the pulp after being ground by the refiner is then screened again for use, and step S3 is repeated.
Preferably, in step S4, the slurry after impurity removal is injected into the paper machine, and the slurry is rolled into paper by the paper machine.
Preferably, in step S5, the paper sheets are bonded together by using sodium silicate inorganic adhesive to firmly bond the paper sheets together.
Preferably, in step S6, the corrugated paper that has just been glued is processed by a dryer, and the dryer dries the glue on the corrugated paper.
Compared with the prior art, the invention has the beneficial effects that: the pulp after being crushed is subjected to impurity removal twice through the fiber separator and the upflow pressure screen, so that the completeness of impurity removal in the pulp is ensured, the quality of corrugated paper production is ensured, meanwhile, the pulp after backflow of the upflow pressure screen is further ground through the pulp grinder, and the ground pulp is screened and utilized, so that the reasonable utilization of resources is realized, the waste of resources is avoided, and the cost of corrugated paper production is reduced.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of the production process of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a production process of high-strength corrugated paper comprises the following steps: step S1: selecting and manufacturing corrugated paper raw materials; step S2: crushing raw materials of corrugated paper; step S3: removing impurities from the crushed slurry; step S4: rolling the pulp into base paper; step S5: bonding the pulp base paper into corrugated paper; step S6: and drying the glue on the corrugated paper.
In step S1, the corrugated paper is a tree, the trunk is peeled, the tree is placed inside the pulper, the pulper is opened, the tree is pulped, and when the corrugated paper is fully pulped, the corrugated paper is completely manufactured.
In step S2, the corrugated paper material is placed in a large-sized high-pressure tank, a solution made of sodium hydroxide, sulfate, sulfide, and sulfite is added to the high-pressure tank, the high-pressure tank is heated, the pressure in the high-pressure tank is released, and the material is disintegrated into slurry.
In step S3, the pulp after being pulped is added into a defibrator, the defibrator is opened to defiber the fibers, and preliminary impurity removal is performed on the pulp, then the pulp after preliminary impurity removal is added onto a rising flow pressure screen, the rising flow pressure screen is opened, the pulp is further subjected to impurity removal through selection, the pulp after the backflow of the rising flow pressure screen is added into a refiner, a refiner is opened, the refiner grinds the backflow pulp, then the pulp after being ground by the refiner is subjected to secondary screening and utilization, and step S3 is repeated.
In step S4, the slurry from which the impurities have been removed is injected into a paper machine, and the slurry is rolled into paper by the paper machine.
In step S5, the paper sheets are bonded together by using sodium silicate inorganic adhesive to firmly bond the paper sheets together.
In step S6, the corrugated paper that has just been glued is processed by using a dryer, and the dryer dries the glue on the corrugated paper.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. A production process of high-strength corrugated paper is characterized by comprising the following steps: the method comprises the following steps:
step S1: selecting and manufacturing corrugated paper raw materials;
step S2: crushing raw materials of corrugated paper;
step S3: removing impurities from the crushed slurry;
step S4: rolling the pulp into base paper;
step S5: bonding the pulp base paper into corrugated paper;
step S6: and drying the glue on the corrugated paper.
2. The process for producing high strength corrugated paper as set forth in claim 1, wherein: in step S1, the corrugated paper raw material is a tree, the trunk is peeled off, the tree is placed inside the pulper, the pulper is opened, the tree is pulped, and when the corrugated paper raw material is fully pulped, the corrugated paper raw material is completely manufactured.
3. The process for producing high strength corrugated paper as set forth in claim 1, wherein: in step S2, the corrugated paper raw material is put into a large-sized high-pressure tank, and then a solution made of sodium hydroxide, sulfate, sulfide, and sulfite is added into the high-pressure tank, and then the high-pressure tank is heated, and then the pressure of the high-pressure tank is released, and the raw material is disintegrated into slurry.
4. The process for producing high strength corrugated paper as set forth in claim 1, wherein: in step S3, the pulp after being disintegrated is added into a defibrator, the defibrator is opened to defiber and preliminarily remove impurities from the pulp, the pulp after preliminarily removing the impurities is added onto a rising pressure screen, the rising pressure screen is opened, the pulp is selected, further impurities are removed from the pulp, the pulp after being refluxed by the rising pressure screen is added into a refiner, the refiner is opened and grinds the refluxed pulp, the pulp after being ground by the refiner is screened again and utilized, and step S3 is repeated.
5. The process for producing high strength corrugated paper as set forth in claim 1, wherein: in step S4, the slurry from which the impurities have been removed is injected into a paper machine, and the slurry is rolled into paper by the paper machine.
6. The process for producing high strength corrugated paper as set forth in claim 1, wherein: in step S5, the paper sheets are bonded together by using sodium silicate inorganic adhesive to firmly bond the paper sheets together.
7. The process for producing high strength corrugated paper as set forth in claim 1, wherein: in step S6, the corrugated paper that has just been glued is processed by a dryer, and the dryer dries the glue on the corrugated paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911334784.0A CN110983854A (en) | 2019-12-23 | 2019-12-23 | Production process of high-strength corrugated paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911334784.0A CN110983854A (en) | 2019-12-23 | 2019-12-23 | Production process of high-strength corrugated paper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110983854A true CN110983854A (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911334784.0A Pending CN110983854A (en) | 2019-12-23 | 2019-12-23 | Production process of high-strength corrugated paper |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2234367A (en) * | 1989-06-03 | 1991-01-30 | Isowa Industry Co | Decentralised control of corrugator line |
| CN105369669A (en) * | 2015-10-28 | 2016-03-02 | 福建纸匠文化科技股份有限公司 | Method for preparing high-strength corrugated paper |
| CN106351056A (en) * | 2016-08-31 | 2017-01-25 | 浙江兴舟纸业有限公司 | High-strength corrugated-paper production process |
| CN108049257A (en) * | 2017-11-25 | 2018-05-18 | 蚌埠申徽彩色印刷包装有限公司 | A kind of production technology of high-strength corrugated board |
| CN108517705A (en) * | 2018-04-23 | 2018-09-11 | 浙江兴舟纸业有限公司 | A kind of recycled pulp remanufacture fluting medium equipment |
| CN208136586U (en) * | 2018-04-23 | 2018-11-23 | 浙江兴舟纸业有限公司 | A kind of recycled pulp remanufacture fluting medium equipment |
| CN109881518A (en) * | 2019-04-04 | 2019-06-14 | 合肥宏图彩印有限公司 | A kind of highly intensified corrugated paper production method |
-
2019
- 2019-12-23 CN CN201911334784.0A patent/CN110983854A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2234367A (en) * | 1989-06-03 | 1991-01-30 | Isowa Industry Co | Decentralised control of corrugator line |
| CN105369669A (en) * | 2015-10-28 | 2016-03-02 | 福建纸匠文化科技股份有限公司 | Method for preparing high-strength corrugated paper |
| CN106351056A (en) * | 2016-08-31 | 2017-01-25 | 浙江兴舟纸业有限公司 | High-strength corrugated-paper production process |
| CN108049257A (en) * | 2017-11-25 | 2018-05-18 | 蚌埠申徽彩色印刷包装有限公司 | A kind of production technology of high-strength corrugated board |
| CN108517705A (en) * | 2018-04-23 | 2018-09-11 | 浙江兴舟纸业有限公司 | A kind of recycled pulp remanufacture fluting medium equipment |
| CN208136586U (en) * | 2018-04-23 | 2018-11-23 | 浙江兴舟纸业有限公司 | A kind of recycled pulp remanufacture fluting medium equipment |
| CN109881518A (en) * | 2019-04-04 | 2019-06-14 | 合肥宏图彩印有限公司 | A kind of highly intensified corrugated paper production method |
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Application publication date: 20200410 |