CN115613394A - Production method of full-chemical pulp coating cigarette card paper - Google Patents
Production method of full-chemical pulp coating cigarette card paper Download PDFInfo
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- CN115613394A CN115613394A CN202211245306.4A CN202211245306A CN115613394A CN 115613394 A CN115613394 A CN 115613394A CN 202211245306 A CN202211245306 A CN 202211245306A CN 115613394 A CN115613394 A CN 115613394A
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Classifications
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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
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/10—Packing paper
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
-
- 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
-
- 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
-
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/54—Starch
-
- 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
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/50—Spraying or projecting
Abstract
The invention relates to a production method of a full-chemical pulp coating cigarette card paper, wherein the coating cigarette card paper comprises a bottom layer, a core layer and a surface layer, the bottom layer, the core layer and the surface layer are all chemical pulp, the surface pulp, the core pulp and the bottom pulp are introduced into respective flow boxes, pulp in the flow boxes is distributed to a forming net through a distribution device, the pulp is overlapped into paper under the drive of a paper machine, and then the paper is subjected to two-stage dehydration, primary drying, surface sizing, secondary drying, hard press polishing, coating, soft press polishing, state regulation and reeling to finally obtain the full-chemical pulp coating cigarette card paper. The invention aims to provide a production method of full-chemical pulp coated cigarette cardboard, which overcomes the defect of low bulk of the cigarette cardboard produced by full-chemical pulp, ensures the bulk of the cigarette cardboard, and improves the folding resistance, the sun resistance and the cigarette case forming effect of the cigarette cardboard.
Description
Technical Field
The invention relates to the technical field of rose fermentation, in particular to a production method of full-chemical pulp coating cigarette cardboard.
Background
The paperboard is made by multi-roller press polishing, has high paper surface color quality purity, uniform ink absorption and good folding resistance, is mainly used for printing stocks for packaging decoration, and is mainly used for printing business cards, requests, certificates, trademarks, packaging decoration, commodity packaging boxes, commodity surface linings, picture hanging pictures and the like. Accordingly, the cardboard is required to have high physical strength such as folding strength, tensile strength, tearing strength, bursting strength, and whiteness.
At present, the paper for packing cigarettes is mainly coated white cardboard and coated paper, the raw materials are basically mechanical pulp, the yield of the mechanical pulp is high, the bulk of the prepared cardboard is better, but the cigarette cardboard prepared by the mechanical pulp is not as folding-resistant as the cardboard prepared by pure chemical pulp, and the cardboard prepared by the chemical pulp has large weight and is difficult to be in the same quantitative grade (240 g/m) 3 ) The same standard conditions are achieved, so the application of the full chemical pulp in the preparation of the cigarette card paper is limited, and the domestic use of the high-end cigarette packing paper is mainly dependent on the import.
Based on the current situation, a production method of the full-chemical pulp coating cigarette card paper is urgently needed in the market at present, and the folding resistance and the bulk of the cigarette card paper can be improved at the same quantitative level.
Disclosure of Invention
The invention aims to provide a production method of full-chemical pulp coated cigarette cardboard, which solves the defect of low bulk of the cigarette cardboard produced by full-chemical pulp, and improves the folding resistance, the sun resistance and the cigarette case forming effect of the cigarette cardboard while ensuring the bulk of the cigarette cardboard.
The technical purpose of the invention is realized by the following technical scheme: the coating cigarette card paper comprises a bottom layer, a core layer and a surface layer, wherein the bottom layer, the core layer and the surface layer are chemical pulp, and the production steps of the coating cigarette card paper comprise:
step S1, introducing the surface pulp, the core pulp and the bottom pulp obtained by treatment into respective pulp flow boxes, distributing the pulp in the pulp flow boxes to a forming net through a distribution device, and superposing the pulp and the core pulp into paper under the driving of a paper machine;
s2, squeezing and dewatering the overlapped wet paper sheet obtained in the step S1;
s3, drying the wet paper sheet obtained in the step S2 in a drying device for one time, and then sending the dried wet paper sheet into a sizing machine for surface sizing;
and S4, drying the paper obtained in the step S3 for the second time, and then performing hard press polishing, coating, soft press polishing, state adjustment and coiling to finally obtain the all-chemical pulp coating cigarette card paper.
As a further arrangement of the invention, the chemical pulp is chemical softwood pulp and chemical hardwood pulp.
As a further arrangement of the invention, the surface pulp, the core pulp and the bottom pulp are processed by the following steps:
(1) Pulping, namely respectively putting the chemical pulp into a pulper and stirring and disintegrating by using a cutter disc;
(2) Deslagging, deslagging the stirred slurry by using a deslagging device;
(3) Pulping, wherein pulp after deslagging is subjected to pulping treatment by a double-disc pulping machine;
(4) Soaking, soaking the ground pulp in hot water for a period of time, and then feeding the pulp into a pulp mixing pool, wherein the proportion of chemical softwood pulp and chemical hardwood pulp in the pulp mixing pool is 1:1, the mass percentage concentration of the slurry is 4-6%;
the slurry in the slurry preparation pool is used for manufacturing a bottom layer, a core layer and a surface layer.
As a further arrangement of the invention, starch spraying is carried out between the bottom layer and the core layer and between the core layer and the surface layer before the paper is laminated in the step S1, and the starch is cassava modified starch.
As a further configuration of the invention, the spraying amount of the starch is 5-6 kg/ton of paper.
As a further arrangement of the invention, the pressing in the step S2 adopts a triple pressing mode, which comprises vacuum prepressing with a linear pressure of 70-80 kN/m, large-roll pressing with a linear pressure of 190-210 kN/m, and light pressing with a linear pressure of 40-80 kN/m.
In a further arrangement of the invention, the beating degree of the pulp in the refining step is 17-19 ° SR.
As a further arrangement of the invention, the temperature of the soaking hot water is 40-50 ℃, and the soaking time is 4-6 h.
As a further arrangement of the invention, the slag remover is a high-concentration slag remover.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the production method of the full-chemical pulp coating cigarette cardboard provided by the invention, the full-chemical pulp is adopted to produce the cigarette cardboard, the defect of low bulk of the full-chemical pulp production cigarette cardboard is overcome, and the folding resistance, the sun resistance and the cigarette case forming effect of the cigarette cardboard are improved while the bulk of the cigarette cardboard is ensured.
2. According to the production method of the full-chemical pulp coating cigarette cardboard provided by the invention, when chemical materials are treated, a hot water soaking step is added after raw material pulp is ground, the beating degree of the pulp is reduced during later beating, and the lower the beating degree is, the fibrillation of pulp fibers can be influenced, and the performance of the cigarette cardboard is finally influenced.
3. The production method of the all-chemical pulp coating cigarette cardboard provided by the invention not only reduces the beating degree and reduces the energy consumption when the pulp is beaten, but also greatly simplifies the pulp preparation steps and the corresponding pipeline design because the proportions of the pulp in the bottom layer, the core layer and the surface layer are consistent when the pulp is prepared, and the linear pressure of the subsequent pressing is lower than that of the conventional method, thereby further reducing the production energy consumption, ensuring the coating effect and improving the pulp content when the starch amount and the coating amount are lower than those of the conventional method, so that the bulk of the cigarette cardboard is increased.
Detailed Description
The technical solutions in the embodiments will be clearly and completely described below. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
Example 1
Raw materials: chemical softwood pulp: chemical hardwood pulp =1:1, the starch is cassava modified starch.
The production steps of the coated cigarette card paper are as follows:
step S1, (1) pulping, namely respectively putting the chemical pulp into a pulper and stirring and disintegrating by using a cutter;
(2) Deslagging, deslagging the stirred slurry by using a high-concentration deslagging device;
(3) Pulping, wherein the pulp subjected to deslagging is subjected to pulping treatment by a double-disc pulping machine, and the beating degree of the pulp is 17-degree SR;
(4) Soaking, namely soaking the ground pulp in hot water at the temperature of 40 ℃ for 4 hours, and then feeding the pulp into a pulp blending pool, wherein the proportion of chemical softwood pulp to chemical hardwood pulp in the pulp blending pool is 1:1, the mass percent concentration of the slurry is 4%;
leading the treated surface pulp, core pulp and bottom pulp into respective pulp flow boxes, distributing the pulp in the pulp flow boxes to a forming net through a distribution device, and laminating the pulp into paper under the driving of a paper machine, wherein starch spraying is carried out between the bottom layer and the core layer and between the core layer and the surface layer before the paper is laminated, and the using amount of the starch is 5 kg/ton of paper;
s2, squeezing and dewatering the wet paper page overlapped in the step S1, wherein the squeezing adopts a triple squeezing mode and is divided into vacuum preloading, linear pressure of 70kN/m, large rolling, linear pressure of 190kN/m, light pressing and linear pressure of 40kN/m;
s3, drying the wet paper sheet obtained in the step S2 in a drying device for one time, and then sending the paper sheet into a sizing machine for surface sizing;
and S4, carrying out secondary drying on the paper obtained in the step S3, and then carrying out hard calendaring, coating, soft calendaring, state adjustment and coiling to finally obtain the all-chemical pulp coating cigarette card paper.
Example 2
The starting materials were as in example 1.
The production steps of the coated cigarette card paper are as follows:
raw materials: chemical softwood pulp: chemical hardwood pulp =1:1, modifying starch by starch cassava.
The production steps of the coated cigarette card paper are as follows:
step S1, (1) pulping, namely respectively putting the chemical pulp into a pulper and stirring and disintegrating by using a cutter;
(2) Deslagging, deslagging the stirred slurry by using a high-concentration deslagging device;
(3) Pulping, wherein the pulp subjected to deslagging is subjected to pulping treatment by a double-disc pulping machine, and the beating degree of the pulp is 19-degree SR;
(4) Soaking, namely soaking the ground pulp in hot water at the temperature of 50 ℃ for 6 hours, and then feeding the pulp into a pulp blending pool, wherein the proportion of chemical softwood pulp to chemical hardwood pulp in the pulp blending pool is 1:1, the mass percentage concentration of the slurry is 6 percent;
leading the treated surface pulp, core pulp and bottom pulp into respective pulp flow boxes, distributing the pulp in the pulp flow boxes to a forming net through a distribution device, and laminating the pulp into paper under the driving of a paper machine, wherein starch spraying is carried out between the bottom layer and the core layer and between the core layer and the surface layer before the paper is laminated, and the using amount of the starch is 6 kg/ton of paper;
s2, squeezing and dewatering the wet paper page overlapped in the step S1 in a triple squeezing mode, wherein the squeezing mode is divided into vacuum preloading, linear pressure of 80kN/m, large rolling, linear pressure of 210kN/m, light pressing and linear pressure of 80kN/m;
s3, drying the wet paper sheet obtained in the step S2 in a drying device for one time, and then sending the dried wet paper sheet into a sizing machine for surface sizing;
and S4, carrying out secondary drying on the paper obtained in the step S3, and then carrying out hard calendaring, coating, soft calendaring, state adjustment and coiling to finally obtain the all-chemical pulp coating cigarette card paper.
Example 3
The starting materials were as in example 1.
The production steps of the coated cigarette card paper are as follows:
raw materials: chemical softwood pulp: chemical hardwood pulp =1:1, the starch is cassava modified starch.
The production steps of the coated cigarette card paper are as follows:
step S1, (1) pulping, namely respectively putting the chemical pulp into a pulper and stirring and disintegrating by using a cutter;
(2) Deslagging, namely deslagging the stirred slurry by using a high-concentration deslagging device;
(3) Pulping, wherein the pulp subjected to deslagging is subjected to pulping treatment by a double-disc pulping machine, and the beating degree of the pulp is 19-degree SR;
after treatment, the proportion of the chemical softwood pulp to the chemical hardwood pulp in the pulp blending pool is 1:1, the mass percentage concentration of the slurry is 6 percent;
leading the treated surface pulp, core pulp and bottom pulp into respective pulp flow boxes, distributing the pulp in the pulp flow boxes to a forming net through a distribution device, and laminating the pulp into paper under the driving of a paper machine, wherein starch spraying is carried out between the bottom layer and the core layer and between the core layer and the surface layer before the paper is laminated, and the using amount of the starch is 6 kg/ton of paper;
s2, squeezing and dewatering the wet paper page overlapped in the step S1, wherein the squeezing adopts a triple squeezing mode and is divided into vacuum preloading, linear pressure of 80kN/m, large rolling, linear pressure of 210kN/m, light pressing and linear pressure of 80kN/m;
s3, drying the wet paper sheet obtained in the step S2 in a drying device for one time, and then sending the dried wet paper sheet into a sizing machine for surface sizing;
and S4, drying the paper obtained in the step S3 for the second time, and then performing hard press polishing, coating, soft press polishing, state adjustment and coiling to finally obtain the all-chemical pulp coating cigarette card paper.
Example 4
The starting materials were as in example 1.
The production steps of the coated cigarette card paper are as follows:
raw materials: chemical softwood pulp: chemical hardwood pulp =1:1, the starch is cassava modified starch.
The production steps of the coated cigarette card paper are as follows:
step S1, (1) pulping, namely respectively putting the chemical pulp into a pulper and stirring and pulping by using a cutter;
(2) Deslagging, deslagging the stirred slurry by using a high-concentration deslagging device;
(3) Pulping, wherein the pulp subjected to deslagging is subjected to pulping treatment by a double-disc pulping machine, and the beating degree of the pulp is 32-degree SR;
(4) Soaking, namely soaking the ground pulp in hot water at the temperature of 50 ℃ for 6 hours, and then feeding the pulp into a pulp blending pool, wherein the proportion of chemical softwood pulp to chemical hardwood pulp in the pulp blending pool is 1:1, the mass percent concentration of the slurry is 6%;
introducing the surface pulp, the core pulp and the bottom pulp obtained by treatment into respective pulp flow boxes, distributing the pulp in the pulp flow boxes to a forming net through a distribution device, and laminating the pulp into paper under the driving of a paper machine, wherein starch spraying is carried out between the bottom layer and a core layer and between the core layer and a surface layer before the paper is laminated, and the using amount of the starch is 6 kg/ton of paper;
s2, squeezing and dewatering the wet paper page overlapped in the step S1, wherein the squeezing adopts a triple squeezing mode and is divided into vacuum preloading, linear pressure of 80kN/m, large rolling, linear pressure of 210kN/m, light pressing and linear pressure of 80kN/m;
s3, drying the wet paper sheet obtained in the step S2 in a drying device for one time, and then sending the dried wet paper sheet into a sizing machine for surface sizing;
and S4, drying the paper obtained in the step S3 for the second time, and then performing hard press polishing, coating, soft press polishing, state adjustment and coiling to finally obtain the all-chemical pulp coating cigarette card paper.
The results of comparing the cigarette cardboard obtained in examples 1 to 4 with the cigarette cardboard obtained by using the mechanical pulp in the core layer on the market are shown in the following table 1, and the results are detected according to the technical indexes such as surface roughness, stiffness, folding endurance, tightness and the like of the white cardboard.
TABLE 1 results of physical and chemical index measurements of examples 1-4 and comparative examples
The inventive examples were compared to the production conditions and the practical ingredients of the factory for preparing cigarette cardboard using mechanical pulp as the core material (conventional method), and the results are shown in table 2 below.
TABLE 2 comparison of the examples with conventional methods
| Item | Examples of the invention | Conventional methods |
| Step of compounding | Simple | Complexity of |
| Degree of percussion (SR) | 17～19 | 26～35 |
| Spray starch dosage (kg/ton paper) | 5～6 | 10～14 |
| Pressing line pressure (kN/m) | 40～210 | 80～250 |
| Coating weight (g/m) 2 ) | 24～26 | 28～30 |
Claims (9)
1. A production method of full chemical pulp coating cigarette cardboard is characterized in that: the coating cigarette card paper includes bottom, sandwich layer, surface course, bottom, sandwich layer, surface course are the chemical pulp, the production steps of coating cigarette card paper include:
step S1, introducing the surface pulp, the core pulp and the bottom pulp obtained by treatment into respective pulp flow boxes, distributing the pulp in the pulp flow boxes to a forming net through a distribution device, and superposing the pulp and the core pulp into paper under the driving of a paper machine;
s2, squeezing and dewatering the overlapped wet paper sheet obtained in the step S1;
s3, drying the wet paper sheet obtained in the step S2 in a drying device for one time, and then sending the paper sheet into a sizing machine for surface sizing;
and S4, drying the paper obtained in the step S3 for the second time, and then performing hard press polishing, coating, soft press polishing, state adjustment and coiling to finally obtain the all-chemical pulp coating cigarette card paper.
2. The method for producing full-chemical pulp-coated cigarette cardboard as claimed in claim 1, wherein the method comprises the following steps: the chemical pulp is chemical softwood pulp and chemical hardwood pulp.
3. The method for producing full-chemical pulp coated cigarette cardboard according to claim 2, characterized in that: the surface pulp, the core pulp and the bottom pulp are processed by the following steps:
(1) Pulping, namely respectively putting the chemical pulp into a pulper and stirring and disintegrating by using a cutter disc;
(2) Deslagging, deslagging the stirred slurry by using a deslagging device;
(3) Pulping, wherein pulp subjected to deslagging is subjected to pulping treatment by a double-disc pulping machine;
(4) Soaking, soaking the ground pulp in hot water for a period of time, and then feeding the pulp into a pulp mixing pool, wherein the proportion of chemical softwood pulp and chemical hardwood pulp in the pulp mixing pool is 1:1, the mass percentage concentration of the slurry is 4-6%;
the slurry in the slurry preparation pool is used for manufacturing a bottom layer, a core layer and a surface layer.
4. The method for producing full-chemical pulp-coated cigarette cardboard as claimed in claim 1, wherein the method comprises the following steps: starch spraying is carried out between the bottom layer and the core layer and between the core layer and the surface layer before the paper is laminated in the step S1, and the starch is cassava modified starch.
5. The method for producing full-chemical pulp coated cigarette cardboard according to claim 4, wherein the method comprises the following steps: the spraying dosage of the starch is 5-6 kg/ton paper.
6. The method for producing full-chemical pulp-coated cigarette cardboard as claimed in claim 1, wherein the method comprises the following steps: and the pressing in the step S2 adopts a triple pressing mode, and comprises vacuum prepressing with the linear pressure of 70-80 kN/m, high rolling with the linear pressure of 190-210 kN/m, and light pressing with the linear pressure of 40-80 kN/m.
7. A method for producing full-chemical pulp coated cigarette cardboard according to claim 3, characterized in that: in the step of grinding, the beating degree of the pulp is 17-19 DEG SR.
8. A method of producing a full chemical pulp coated cigarette card paper according to claim 3, characterized in that: the temperature of the soaking hot water is 40-50 ℃, and the soaking time is 4-6 h.
9. A method for producing full-chemical pulp coated cigarette cardboard according to claim 3, characterized in that: the slag remover is a high-concentration slag remover.
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| CN202211245306.4A CN115613394A (en) | 2022-10-12 | 2022-10-12 | Production method of full-chemical pulp coating cigarette card paper |
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| CN202211245306.4A CN115613394A (en) | 2022-10-12 | 2022-10-12 | Production method of full-chemical pulp coating cigarette card paper |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518002A (en) * | 2011-12-30 | 2012-06-27 | 珠海华丰纸业有限公司 | High-bulk coating white cardboard and production process thereof |
| CN103321105A (en) * | 2013-05-14 | 2013-09-25 | 珠海经济特区红塔仁恒纸业有限公司 | Thermosensitive color-changing anti-counterfeiting coating white cardboard and producing method thereof |
| CN104631192A (en) * | 2015-01-14 | 2015-05-20 | 珠海经济特区红塔仁恒纸业有限公司 | Interlayer color sprayed anti-counterfeit coating white cardboard and production process thereof |
| CN106245416A (en) * | 2016-07-29 | 2016-12-21 | 浙江景兴纸业股份有限公司 | A kind of production method of cigarette cardboard |
-
2022
- 2022-10-12 CN CN202211245306.4A patent/CN115613394A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518002A (en) * | 2011-12-30 | 2012-06-27 | 珠海华丰纸业有限公司 | High-bulk coating white cardboard and production process thereof |
| CN103321105A (en) * | 2013-05-14 | 2013-09-25 | 珠海经济特区红塔仁恒纸业有限公司 | Thermosensitive color-changing anti-counterfeiting coating white cardboard and producing method thereof |
| CN104631192A (en) * | 2015-01-14 | 2015-05-20 | 珠海经济特区红塔仁恒纸业有限公司 | Interlayer color sprayed anti-counterfeit coating white cardboard and production process thereof |
| CN106245416A (en) * | 2016-07-29 | 2016-12-21 | 浙江景兴纸业股份有限公司 | A kind of production method of cigarette cardboard |
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