CN112622344A - Energy-saving and environment-friendly corrugated carton production process - Google Patents
Energy-saving and environment-friendly corrugated carton production process Download PDFInfo
- Publication number
- CN112622344A CN112622344A CN201910952067.8A CN201910952067A CN112622344A CN 112622344 A CN112622344 A CN 112622344A CN 201910952067 A CN201910952067 A CN 201910952067A CN 112622344 A CN112622344 A CN 112622344A
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- Prior art keywords
- pulp
- corrugated
- environment
- corrugated board
- paper
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Classifications
-
- 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
-
- 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
- B31B50/20—Cutting sheets or blanks
- B31B50/22—Notching; Trimming edges of flaps
-
- 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
- B31B50/62—Uniting opposed surfaces or edges; Taping by adhesives
-
- 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
- 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
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F3/00—Press section of machines for making continuous webs of paper
- D21F3/02—Wet presses
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Abstract
The invention discloses an energy-saving and environment-friendly corrugated carton production process which comprises the following steps of treating raw materials, sterilizing collected straws, waste newspapers, wheat straws and wood and bamboo rods, injecting water for soaking after sterilization, then sequentially putting the materials into a crusher for crushing, removing impurities, and reserving slurry for later use to obtain fiber slurry; pulping and mixing the obtained fiber pulp, pulping the fibers in the fiber pulp, then mixing the pulp to obtain uniformly mixed pulp, standing for 100-5 min to obtain mixed pulp slurry, wherein the concentration of the pulp slurry is 3-5 percent; according to the energy-saving and environment-friendly corrugated case production process, straw, waste newspaper, wheat straw and wood-bamboo poles collected from raw materials are utilized, so that the environment is truly green and environment-friendly, and meanwhile, the waterproof coating is coated on the inner side and the outer side, so that the service life of the corrugated case is prolonged, and the corrugated case has a good waterproof effect.
Description
Technical Field
The invention belongs to the technical field of carton processing, and particularly relates to an energy-saving and environment-friendly corrugated carton production process.
Background
The packaging carton is the most widely used product in the packaging industry, corrugated paper boards adopted in China are produced by processing corrugated paper into corrugated paper through corrugated rollers and adhering the corrugated paper, and the corrugated paper has the characteristics of lightness, firmness, vibration reduction and suitability for mechanized production, and is used for transport packaging and sale packaging for many years. Corrugated boxes have won the market with their elegant appearance and inherently superior quality. It not only protects the commodity, is convenient for storage and transportation, but also beautifies the commodity and publicizes the commodity; the existing corrugated case production has certain defects when in use, the raw materials collected and recycled repeatedly are not disinfected in the corrugated case production process, the corrugated case is possibly polluted, when food or postal baby products are required to be packaged, the postal articles are possibly polluted, meanwhile, the corrugated case can be waterproof in production, but most of manufacturers only coat the outer layer surface of the corrugated case with the waterproof layer in production, the waterproof effect is not ideal, inconvenience is brought to subsequent use, and therefore, an energy-saving and environment-friendly corrugated case production process is provided.
Disclosure of Invention
The invention mainly aims to provide an energy-saving and environment-friendly corrugated carton production process, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
an energy-saving and environment-friendly corrugated carton production process comprises the following steps:
s1, processing the raw materials, sterilizing the collected straws, waste newspapers, wheat straws and wood and bamboo rods, injecting water for soaking after sterilization, then sequentially putting the soaked straws into a crusher for crushing, removing impurities, and reserving the pulp for later use to obtain fiber pulp;
s2: pulping and mixing the obtained fiber pulp, pulping the fibers in the fiber pulp, then mixing the pulp to obtain uniformly mixed pulp, standing for 100-5 min to obtain mixed pulp slurry, wherein the concentration of the pulp slurry is 3-5 percent;
s3: preparing the obtained mixed paper pulp, bleaching the paper pulp by bleaching powder, performing press molding on the bleached paper pulp by using a paper machine, putting the paper subjected to press molding into a drying cylinder, performing drying treatment by using hot steam, and performing sun drying to obtain prepared base paper;
s4: performing compounding treatment on the obtained raw paper, and performing rolling compounding on a plurality of raw paper stacks by a corrugating machine to obtain a corrugated board;
s5: performing line pressing treatment on the prepared corrugated board, cutting the corrugated board into corresponding equivalent required boards according to the specification of a corrugated case to be produced, longitudinally pressing the lines by using a cutting line press, and then performing transverse line pressing treatment on the corrugated board by using the cutting line press to obtain the paper-separated and line-pressed corrugated board;
s6: slotting the corrugated board after the paper separation and line pressing is carried out, slotting is carried out on the corrugated board by using a slotting machine, and a slot which enables an upper rocking cover and a lower rocking cover to be folded smoothly is formed, so that the slotted corrugated board is obtained;
s7: and (3) carrying out bonding treatment on the obtained grooved corrugated board, firstly coating waterproof coatings on the inner layer and the outer layer of the grooved corrugated board, drying the corrugated board, and then bonding the longitudinal edges of the corrugated board by adopting a binding line combination or adhesive bonding mode to finish the production process of the corrugated box, thereby finally obtaining the energy-saving and environment-friendly corrugated box.
Preferably, a non-toxic and harmless bactericide is used for the sterilization treatment in S1.
Preferably, the water content of the pulp obtained in S2 is controlled to < 20%.
Preferably, in S3, when the airing is performed, the airing is performed in a cool room.
Preferably, the pressure of the squeezer in S3 is controlled to be 5-10Mpa for 2-3min during squeezing and forming.
Preferably, the waterproof coating in S7 is formed by mixing 30% of polyurethane, 25% of sodium acrylate, 10% of sodium hydroxide, 5% of sodium dodecyl sulfate, 2% of cellulose ether, 5% of wood fiber and 23% of butyl rubber.
Compared with the prior art, the invention has the following beneficial effects: the energy-saving and environment-friendly corrugated case production process has the advantages that the collected straws, the waste newspaper, the wheat straws and the wood and bamboo poles are subjected to sterilization treatment, so that the corrugated case made of the raw materials is pollution-free, harmful substances carried by the raw materials are avoided, the corrugated case is used when people need postal food or baby products, articles in the corrugated case are not affected, the quality safety of the articles is ensured, the inner and outer waterproof layers of the corrugated case are added, the corrugated case has a good waterproof effect, the problem that the corrugated case cannot be used in a humid environment is solved, the service life of the corrugated case is prolonged in subsequent use, the corrugated case produced by the process has the green and environment-friendly effects, the manufacture is simple, and the use prospect is good.
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, treating raw materials, and sterilizing collected straws, waste newspapers, wheat straws and wood and bamboo straws, wherein a non-toxic and harmless bactericide is used during sterilization treatment, water is injected for soaking after sterilization, then the materials are sequentially placed into a crusher for crushing, impurities are removed, pulp is reserved, the water content of the pulp is controlled to be less than 20%, and fiber pulp is obtained; pulping and mixing the obtained fiber pulp, pulping fibers in the fiber pulp, mixing the pulp to obtain uniformly mixed pulp, standing for 100min, wherein the concentration of the pulp is 4 percent, and obtaining mixed pulp; preparing the obtained mixed paper pulp, bleaching the paper pulp by bleaching powder, then carrying out press forming on the bleached paper pulp by using a paper machine, putting the paper subjected to press forming into a drying cylinder, controlling the pressure to be 8Mpa and the time to be 2min, drying by using hot steam, then carrying out sunlight airing, and airing in a cool room to obtain prepared raw paper; performing compounding treatment on the obtained raw paper, and performing rolling compounding on a plurality of raw paper stacks by a corrugating machine to obtain a corrugated board; performing line pressing treatment on the prepared corrugated board, cutting the corrugated board into corresponding equivalent required boards according to the specification of a corrugated case to be produced, longitudinally pressing the lines by using a cutting line press, and then performing transverse line pressing treatment on the corrugated board by using the cutting line press to obtain the paper-separated and line-pressed corrugated board; slotting the corrugated board after the paper separation and line pressing is carried out, slotting is carried out on the corrugated board by using a slotting machine, and a slot which enables an upper rocking cover and a lower rocking cover to be folded smoothly is formed, so that the slotted corrugated board is obtained; bonding the obtained grooved corrugated board, firstly coating a waterproof coating on the inner layer and the outer layer of the grooved corrugated board, wherein the waterproof coating is formed by mixing 30% of polyurethane, 25% of sodium acrylate, 10% of sodium hydroxide, 5% of sodium dodecyl sulfate, 2% of cellulose ether, 5% of wood fiber and 23% of butyl rubber, and after the corrugated board is dried, the corrugated board is bonded at the longitudinal edges by adopting a binding line combination or adhesive bonding mode, so that the production process of the corrugated case can be completed;
taking a sample of the prepared corrugated case, sampling a plurality of blocks from different parts of the case body respectively, weighing about 50g of sample by balance, tearing the sample into fragments, putting the fragments into an oven, drying the fragments to a constant weight, weighing the fragments to be 46g, and calculating to obtain the water content of the sample to be 8%.
Example 2
During production, firstly, treating raw materials, and sterilizing collected straws, waste newspapers, wheat straws and wood and bamboo straws, wherein a non-toxic and harmless bactericide is used during sterilization treatment, water is injected for soaking after sterilization, then the materials are sequentially placed into a crusher for crushing, impurities are removed, pulp is reserved, the water content of the pulp is controlled to be less than 20%, and fiber pulp is obtained; pulping and mixing the obtained fiber pulp, pulping fibers in the fiber pulp, mixing the pulp to obtain uniformly mixed pulp, standing for 120min, wherein the concentration of the pulp is 5 percent, and obtaining mixed pulp; preparing the obtained mixed paper pulp, bleaching the paper pulp by bleaching powder, then carrying out press forming on the bleached paper pulp by using a paper machine, putting the paper subjected to press forming into a drying cylinder, controlling the pressure to be 10Mpa and the time to be 3min, drying by using hot steam, then carrying out sunlight airing, and airing in a cool room to obtain prepared raw paper; performing compounding treatment on the obtained raw paper, and performing rolling compounding on a plurality of raw paper stacks by a corrugating machine to obtain a corrugated board; performing line pressing treatment on the prepared corrugated board, cutting the corrugated board into corresponding equivalent required boards according to the specification of a corrugated case to be produced, longitudinally pressing the lines by using a cutting line press, and then performing transverse line pressing treatment on the corrugated board by using the cutting line press to obtain the paper-separated and line-pressed corrugated board; slotting the corrugated board after the paper separation and line pressing is carried out, slotting is carried out on the corrugated board by using a slotting machine, and a slot which enables an upper rocking cover and a lower rocking cover to be folded smoothly is formed, so that the slotted corrugated board is obtained; bonding the obtained grooved corrugated board, firstly coating a waterproof coating on the inner layer and the outer layer of the grooved corrugated board, wherein the waterproof coating is formed by mixing 30% of polyurethane, 25% of sodium acrylate, 10% of sodium hydroxide, 5% of sodium dodecyl sulfate, 2% of cellulose ether, 5% of wood fiber and 23% of butyl rubber, and after the corrugated board is dried, the corrugated board is bonded at the longitudinal edges by adopting a binding line combination or adhesive bonding mode, so that the production process of the corrugated case can be completed;
taking a sample of the prepared corrugated case, sampling a plurality of blocks from different parts of the case body respectively, weighing about 50g of sample by balance, tearing the sample into pieces, putting the pieces into an oven, drying the pieces to constant weight, weighing the weight of the pieces to be 45g, and calculating to obtain the water content of the pieces to be 10%.
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 (6)
1. The energy-saving and environment-friendly corrugated carton production process is characterized by comprising the following steps of:
s1, processing the raw materials, sterilizing the collected straws, waste newspapers, wheat straws and wood and bamboo rods, injecting water for soaking after sterilization, then sequentially putting the soaked straws into a crusher for crushing, removing impurities, and reserving the pulp for later use to obtain fiber pulp;
s2: pulping and mixing the obtained fiber pulp, pulping the fibers in the fiber pulp, then mixing the pulp to obtain uniformly mixed pulp, standing for 100-5 min to obtain mixed pulp slurry, wherein the concentration of the pulp slurry is 3-5 percent;
s3: preparing the obtained mixed paper pulp, bleaching the paper pulp by bleaching powder, performing press molding on the bleached paper pulp by using a paper machine, putting the paper subjected to press molding into a drying cylinder, performing drying treatment by using hot steam, and performing sun drying to obtain prepared base paper;
s4: performing compounding treatment on the obtained raw paper, and performing rolling compounding on a plurality of raw paper stacks by a corrugating machine to obtain a corrugated board;
s5: performing line pressing treatment on the prepared corrugated board, cutting the corrugated board into corresponding equivalent required boards according to the specification of a corrugated case to be produced, longitudinally pressing the lines by using a cutting line press, and then performing transverse line pressing treatment on the corrugated board by using the cutting line press to obtain the paper-separated and line-pressed corrugated board;
s6: slotting the corrugated board after the paper separation and line pressing is carried out, slotting is carried out on the corrugated board by using a slotting machine, and a slot which enables an upper rocking cover and a lower rocking cover to be folded smoothly is formed, so that the slotted corrugated board is obtained;
s7: and (3) carrying out bonding treatment on the obtained grooved corrugated board, firstly coating waterproof coatings on the inner layer and the outer layer of the grooved corrugated board, drying the corrugated board, and then bonding the longitudinal edges of the corrugated board by adopting a binding line combination or adhesive bonding mode to finish the production process of the corrugated box, thereby finally obtaining the energy-saving and environment-friendly corrugated box.
2. The energy-saving and environment-friendly corrugated carton production process according to claim 1, characterized in that: in the sterilization treatment in S1, a nontoxic and harmless bactericide is used.
3. The energy-saving and environment-friendly corrugated carton production process according to claim 1, characterized in that: the water content of the pulp obtained in S2 was controlled to < 20%.
4. The energy-saving and environment-friendly corrugated carton production process according to claim 1, characterized in that: in S3, when air-drying, air-drying is performed in a cool room.
5. The preparation process of the energy-saving and environment-friendly corrugated case production process according to claim 1, characterized in that: s3 the press is controlled at 5-10Mpa for 2-3 min.
6. The preparation process of the energy-saving and environment-friendly corrugated case production process according to claim 1, characterized in that: the waterproof coating in S7 is prepared by mixing 30% of polyurethane, 25% of sodium acrylate, 10% of sodium hydroxide, 5% of sodium dodecyl sulfate, 2% of cellulose ether, 5% of wood fiber and 23% of butyl rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910952067.8A CN112622344A (en) | 2019-10-09 | 2019-10-09 | Energy-saving and environment-friendly corrugated carton production process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910952067.8A CN112622344A (en) | 2019-10-09 | 2019-10-09 | Energy-saving and environment-friendly corrugated carton production process |
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| CN112622344A true CN112622344A (en) | 2021-04-09 |
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| CN201910952067.8A Pending CN112622344A (en) | 2019-10-09 | 2019-10-09 | Energy-saving and environment-friendly corrugated carton production process |
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Cited By (3)
| 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 |
| CN114960270A (en) * | 2022-05-31 | 2022-08-30 | 石狮市百隆包装有限公司 | Forming machine for producing paper boxes and paper box production process |
| CN116479680A (en) * | 2023-04-26 | 2023-07-25 | 常州市创赢包装材料有限公司 | Environment-friendly carton and preparation method thereof |
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| WO2005073469A1 (en) * | 2004-01-30 | 2005-08-11 | Sanyo Chemical Industries, Ltd. | Water swelling water stop material |
| AU2008283139A1 (en) * | 2007-07-30 | 2009-02-05 | Yong-Su Ha | Wrapping/packing paper, corrugated board box, and method of manufacturing improved base paper |
| WO2013170411A1 (en) * | 2012-05-14 | 2013-11-21 | Celanese International Corporation | Vinyl acetate-ethylene copolymer emulsion and paper coating composition based on the same |
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| CN116479680A (en) * | 2023-04-26 | 2023-07-25 | 常州市创赢包装材料有限公司 | Environment-friendly carton and preparation method thereof |
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Application publication date: 20210409 |