CN113619203A - Production process of high-strength 3A corrugated board - Google Patents
Production process of high-strength 3A corrugated board Download PDFInfo
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- CN113619203A CN113619203A CN202110906750.5A CN202110906750A CN113619203A CN 113619203 A CN113619203 A CN 113619203A CN 202110906750 A CN202110906750 A CN 202110906750A CN 113619203 A CN113619203 A CN 113619203A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 239000010893 paper waste Substances 0.000 claims abstract description 20
- 238000005520 cutting process Methods 0.000 claims abstract description 18
- 239000002699 waste material Substances 0.000 claims abstract description 16
- 238000005096 rolling process Methods 0.000 claims abstract description 12
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 9
- 239000000123 paper Substances 0.000 claims description 79
- 239000011087 paperboard Substances 0.000 claims description 21
- 230000007704 transition Effects 0.000 claims description 16
- 239000011111 cardboard Substances 0.000 claims description 9
- 239000000835 fiber Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 230000000630 rising effect Effects 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 238000011084 recovery Methods 0.000 abstract 1
- 230000008929 regeneration Effects 0.000 abstract 1
- 238000011069 regeneration method Methods 0.000 abstract 1
- 239000012535 impurity Substances 0.000 description 13
- 239000010410 layer Substances 0.000 description 13
- 239000002002 slurry Substances 0.000 description 9
- 238000001035 drying Methods 0.000 description 6
- 239000002655 kraft paper Substances 0.000 description 5
- 239000000945 filler Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 241000274582 Pycnanthus angolensis Species 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000005022 packaging material Substances 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 238000004018 waxing Methods 0.000 description 1
Images
Classifications
-
- 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
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Abstract
The invention discloses a production process of a high-strength 3A corrugated board, which comprises the following steps: A. forming waste paper and waste residues through a corrugated paper forming device; B. rolling the formed corrugated raw paper by a rolling device to form corrugated case liner paper; C. the corrugated case lining paper is glued by a gluing device and then compounded into a corrugated board; D. the corrugated board is cut by a cutting device and then stacked into a corrugated paper stack. The problem of corrugated board recovery regeneration is solved.
Description
Technical Field
The invention relates to the technical field of corrugated boards, in particular to a production process of a high-strength 3A corrugated board.
Background
The corrugated board is a multi-layer adhesive body, at least consists of a layer of wavy core paper interlayer (commonly known as 'hole paper', 'corrugated core paper', 'corrugated paper core', 'corrugated raw paper') and a layer of paper board (also known as 'box board paper', 'box paper board'), has higher mechanical strength, can resist collision and falling in the process of carrying, and the actual performance of the corrugated board depends on three factors: the nature of the core paper and paperboard and the structure of the carton itself.
Also known as corrugated cardboard. Is formed by bonding at least one layer of corrugated paper and one layer of boxboard (also called boxboard), and has better elasticity and extensibility. The method is mainly used for manufacturing cartons, the sandwich of the cartons and other packaging materials of fragile commodities. The raw paper board similar to yellow paper board is made up by using straw pulp of earth method and waste paper through pulping, then mechanically processing and rolling into corrugated form, then using sodium silicate as adhesive on its surface and sticking it with cardboard paper.
The corrugated corrugations of the corrugated board are like arch doors which are connected one by one, are mutually parallel to form a row and mutually support to form a triangular structure body, so that the corrugated board has better mechanical strength, can bear certain pressure from a plane, is rich in elasticity and has good buffering effect; the cushion can be made into liners or containers with various shapes and sizes according to requirements, and is simpler, more convenient and faster than plastic buffer materials; the coating is slightly influenced by temperature, has good light-shielding property, is not deteriorated by illumination, is generally slightly influenced by humidity, but is not suitable for long-term use in an environment with high humidity, and influences the strength of the coating. Corrugated cardboard can be divided into the following five types according to different combinations:
1. paperboard consisting of a layer of core paper and kraft card is known as "open flute paperboard". The exposed corrugated cardboard is generally used only as a cushion, a spacer and a wrapping object with irregular shapes.
2. The paperboard made up of one ply of core paper and two plies of kraft card is referred to as "single pit paperboard".
3. Two layers of core paper sandwiched between three layers of kraft card are known as "double pit cardboard". The double-pit cardboard can be composed of pit papers with different pit widths and different paper qualities, such as 'B' pit paper and 'C' pit paper.
4. Three layers of core paper are sandwiched between four sheets of kraft card called "three-hole paperboard".
5. The extra-strong double-body paperboard is developed from single-hole paperboard, and its middle layer of core paper is formed from two thick core papers which are laminated and bonded together.
Kind of pit
The corrugated board can be further subdivided according to the sizes of the pits on the core paper, namely the height of the pits and the number of the filled pits per unit length. There are four types of medium paper pits. Cartons resulting from thicker "a" pits have better top and bottom compression strength than "B" and "C", but thinner "B" pits have better crush resistance than "a" and "B" pits. The "A" and "C" pits are used for manufacturing the carton which is pressed downwards and packed and needs protection pads. The "B" dimples are suitable for use in the manufacture of cartons where capacity and space are important, and stacking strength is less important. The E-shaped pits have the highest compression resistance but have slightly poor shock absorption capacity, and are mainly used for the Korotkoff (color printing) corrugated cases for bearing heavy objects.
Material for core paper
The larger the hole diameter of the corrugated board, the stronger the rigidity of the corrugated board. The toughness of the paperboard is derived from the core paper layer without the need for a heavy stiff filler, which reduces the weight of the paperboard and its cost. The core paper can be made from semi-chemical pulp (which provides the best paper strength) and recycled paper stock, which is preferred by many manufacturers due to its low cost, but can be improved by adding starch from the paper mill, although the paper strength is inferior to the former.
The flutes take up space within the corrugated paper and are also important in their role, by virtue of which they resist flat pressure, side pressure and other irregular pressures.
Leather card
The kraft sheet serves primarily as the inner and outer layers of the corrugated board and may be structural or decorative in function, each layer providing the board with a variety of characteristics which may be enhanced by bonding, waxing, etc.
With the continuous development of the times, the continuous update of production technologies and equipment, more sophisticated equipment technology and finer market demands, the demand of corrugated boards is expanding day by a very considerable geometric multiple, but the market competition is becoming fierce day by day, the scientific technologies are continuously updated, new packaging materials are continuously developed and appeared today, the corrugated boards need to keep the situation of one brother in the packaging materials, and the development and development of technical equipment, the improvement of quality and performance, the enrichment of product types and the like are further improved and developed. The current corrugated board has large waste amount due to large use amount, and the waste paperboard can not be recycled in the common corrugated board process, thereby causing waste and reducing the resource utilization rate.
Disclosure of Invention
The invention aims to provide a production process of a high-strength 3A corrugated board, and the device can not only recover the waste gas corrugated board, but also improve the resource utilization rate.
The technical purpose of the invention is realized by the following technical scheme:
a production process of a high-strength 3A corrugated board comprises the following steps:
A. forming waste paper and waste residues through a corrugated paper forming device;
B. rolling the formed corrugated raw paper by a rolling device to form corrugated case liner paper;
C. the corrugated case lining paper is glued by a gluing device and then compounded into a corrugated board;
D. the corrugated board is cut by a cutting device and then stacked into a corrugated paper stack.
By adopting the technical scheme, the waste paper and the waste residue can be reformed into the corrugated board after A, B, C, D processes.
Preferably, the corrugated paper forming device comprises a water conservancy paper shredder, a high-concentration desander, a first excessive pulp tank, a fiber separator, a second excessive pulp tank, a pulp grinder, a first upflow pressure screen, a diagonal screen, a pulp making tank, a paper machine, a rewinder and a dissolving tank, the waste paper sequentially passes through the water conservancy paper shredder, the high-concentration desander, the first excessive pulp tank, the fiber separator, the second excessive pulp tank, the second upflow pressure screen, the diagonal screen, the pulp making tank, the paper machine and the rewinder, one end of the pulp grinder is fixedly connected with the second excessive pulp tank, one end of the pulp grinder is fixedly connected with the upflow pressure screen, and the dissolving tank is fixedly connected with the paper machine.
By adopting the technical scheme, the waste paper and the waste residue enter a hydraulic pulper, are crushed and are subjected to primary impurity removal, plastic impurities are removed, the waste paper and the waste residue enter a high-concentration sand remover after the completion of the operation, heavy impurities such as sand and gravel in slurry are removed, then the waste paper and the waste residue enter a transition pulp tank I for storing slurry, then the waste paper and the waste residue enter a fiber separator for defibering and further removing light impurities, the waste paper and the waste residue enter a transition pulp tank II after the completion of the operation, the waste paper and the waste residue enter an upflow pressure screen for selecting the slurry and further removing the impurities, the reflowed slurry enters a pulp grinder for grinding the slurry and screening again, the ground slurry returns to the transition pulp tank II, the screened slurry enters a diagonal screen and a pulp manufacturing tank from an upflow pressure screen, the stable slurry concentration is used for paper operation, wet paper industry enters a paper machine, fillers such as stone powder and the like with certain concentration are dissolved and adjusted to be added into the paper machine, and a dry paper industry is heated by steam, and finally, rewinding the corrugated paper in a rewinding machine.
Preferably, the rolling device comprises a support, a preheater and a single-sided machine, corrugated rollers are arranged in the single-sided machine and matched with each other, and the preheating device is positioned between the support and the single-sided machine.
By adopting the technical scheme, the corrugated paper enters the single-sided machine after being preheated by the preheater and is pressed into the corrugated paper under the action of the corrugated roller.
Preferably, the gluing device comprises a preheating machine, an adhesion drying machine and a double-sided gluing machine, wherein the preheating machine is positioned on one side of the double-sided gluing machine, and the adhesion drying machine is positioned on one side of the double-sided gluing machine, which is far away from the preheating machine.
Preferably, the cutting device comprises a paper separating bracket, a transverse cutting machine and a longitudinal cutting creasing machine, wherein the paper separating bracket is respectively positioned in the transverse cutting machine and the longitudinal cutting creasing machine.
Preferably, a stacking machine is arranged behind the cutting device.
Drawings
Fig. 1 is a flow chart of the corrugated paper forming device of the invention.
Detailed Description
The following description is only a preferred embodiment of the present invention, and the protection scope is not limited to the embodiment, and any technical solution that falls under the idea of the present invention should fall within the protection scope of the present invention. It should also be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention.
As shown in the figure, the production process of the high-strength 3A corrugated board comprises the following steps:
A. forming waste paper and waste residues through a corrugated paper forming device;
B. rolling the formed corrugated raw paper by a rolling device to form corrugated case liner paper;
C. the corrugated case lining paper is glued by a gluing device and then compounded into a corrugated board;
D. the corrugated board is cut by a cutting device and then stacked into a corrugated paper stack.
The corrugated paper forming device comprises a water conservancy paper shredder, a high-concentration desander, a first transition pulp tank, a fiber separator, a second transition pulp tank, a pulp grinder, a rising flow pressure screen, a diagonal screen, a pulp handling tank, a paper machine, a rewinder and a dissolving tank, wherein waste paper sequentially passes through the water conservancy paper shredder, the high-concentration desander, the first transition pulp tank, the fiber separator, the second transition pulp tank, the rising flow pressure screen, the diagonal screen, the pulp handling tank, the paper machine and the rewinder, one end of the transition pulp tank is fixedly connected with the second transition pulp tank, one end of the pulp grinder is fixedly connected with the rising flow pressure screen, the dissolving tank is fixedly connected with the paper machine, the waste paper and waste residue enter the hydraulic pulp grinder, the waste paper and waste residue are crushed and are subjected to primary distribution and impurity removal to remove plastic impurities, the waste paper impurities are removed, the waste paper and the plastic impurities are fed into the high-concentration desander after the waste paper impurities are removed, heavy impurities such as sand and gravel in slurry are removed, the pulp enters the first transition pulp tank to store pulp in the first transition pulp tank, the fiber separator to further remove fibers and light impurities, and after finishing, the pulp enters a second transition pulp tank and then enters a rising flow pressure screen, pulp is selected and impurities are further removed, the reflowed pulp enters a pulp grinder to grind the pulp and screen the pulp again, the grinded pulp returns to the second transition pulp tank, the screened pulp enters a diagonal screen and a pulp manufacturing tank from the rising flow pressure screen, the stable pulp concentration is used for paper manufacturing, wet paper industry enters a paper machine, fillers such as filler dissolved in a dissolving tank and stone powder adjusted to a certain concentration are added into the paper machine, drying wet paper industry is performed by a drying cylinder heated by steam, and finally corrugated paper is rewound in a rewinding machine.
The rolling device comprises a support, a preheater and a single facer, corrugated rollers are arranged in the single facer and are matched with each other, the preheating device is positioned between the support and the single facer, corrugated paper enters the single facer after being preheated by the preheater and is pressed into corrugated paper under the action of the corrugated rollers. The glue device comprises a preheating machine, an adhesion drying machine and a double-sided glue spreader, wherein the preheating machine is positioned on one side of the double-sided glue spreader, and the adhesion drying machine is positioned on one side of the double-sided glue spreader far away from the preheating machine. The cutting device comprises a paper separating bracket, a transverse cutting machine and a longitudinal cutting creasing machine, wherein the paper separating bracket is respectively positioned in the transverse cutting machine and the longitudinal cutting creasing machine. A stacking machine is arranged behind the cutting device.
Claims (6)
1. A production process of a high-strength 3A corrugated board is characterized by comprising the following steps: the method comprises the following steps:
forming waste paper and waste residues through a corrugated paper forming device;
rolling the formed corrugated raw paper by a rolling device to form corrugated case liner paper;
the corrugated case lining paper is glued by a gluing device and then compounded into a corrugated board;
the corrugated board is cut by a cutting device and then stacked into a corrugated paper stack.
2. The production process of the high-strength 3A corrugated paperboard as claimed in claim 1, wherein the corrugated paperboard forming device comprises a water shredder, a high-consistency desander, a first excess pulp tank, a fiber separator, a second transition pulp tank, a pulp grinder, a rising flow pressure screen, a diagonal screen, a pulp handling tank, a paper machine, a rewinder and a dissolving tank, the waste paper passes through the water shredder, the high-consistency desander, the first excess pulp tank, the fiber separator, the second transition pulp tank, the rising flow pressure screen, the diagonal screen, the pulp handling tank, the paper machine and the rewinder in sequence, one end of the pulp grinder is fixedly connected with the second transition pulp tank, one end of the pulp grinder is fixedly connected with the rising flow pressure screen, and the dissolving tank is fixedly connected with the paper machine.
3. The production process of the high-strength 3A corrugated paperboard as claimed in claim 2, wherein the rolling device comprises a support, a preheater and a single-side machine, corrugated rollers are arranged in the single-side machine and matched with each other, and the preheating device is arranged between the support and the single-side machine.
4. A process for producing high strength 3A corrugated cardboard as claimed in claim 3 wherein said gluing device comprises a preheater, an adhesive dryer and a double-sided glue spreader, said preheater is located on one side of the double-sided glue spreader and said adhesive dryer is located on the side of the double-sided glue spreader remote from the preheater.
5. A process for producing high strength 3A corrugated cardboard as claimed in claim 4 wherein said cutting means comprises a paper separating tray, a cross cutter and a slitting and creasing machine, said paper separating tray being located in the cross cutter and slitting and creasing machine respectively.
6. A production process of high-strength 3A corrugated cardboard as claimed in claim 5, wherein a stacking machine is arranged behind the cutting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110906750.5A CN113619203A (en) | 2021-08-09 | 2021-08-09 | Production process of high-strength 3A corrugated board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110906750.5A CN113619203A (en) | 2021-08-09 | 2021-08-09 | Production process of high-strength 3A corrugated board |
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| CN113619203A true CN113619203A (en) | 2021-11-09 |
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| CN202110906750.5A Pending CN113619203A (en) | 2021-08-09 | 2021-08-09 | Production process of high-strength 3A corrugated board |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114619711A (en) * | 2022-03-28 | 2022-06-14 | 青州市祥力轻工设备有限公司 | Full-automatic production method of water curtain block |
| CN115816902A (en) * | 2022-12-01 | 2023-03-21 | 内蒙古和瑞包装有限公司 | Low-waste green production process for corrugated case |
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| CN115816902A (en) * | 2022-12-01 | 2023-03-21 | 内蒙古和瑞包装有限公司 | Low-waste green production process for corrugated case |
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Application publication date: 20211109 |