CN106676926A - Production method of environment-friendly bleached-surface Kraft linerboard - Google Patents
Production method of environment-friendly bleached-surface Kraft linerboard Download PDFInfo
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- CN106676926A CN106676926A CN201611264231.9A CN201611264231A CN106676926A CN 106676926 A CN106676926 A CN 106676926A CN 201611264231 A CN201611264231 A CN 201611264231A CN 106676926 A CN106676926 A CN 106676926A
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- feeding slurry
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Classifications
-
- 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
- D21C5/025—De-inking
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/005—Microorganisms or enzymes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/28—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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/66—Salts, e.g. alums
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/16—Sizing or water-repelling agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/30—Luminescent or fluorescent substances, e.g. for optical bleaching
-
- 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
Abstract
The invention relates to the technical field of papermaking, in particular to a production method of environment-friendly bleached-surface Kraft linerboard; the production method comprises the steps of I, selecting materials; II, preparing pulp; III, pressing; IV, drying and hard-pressing; V, applying glue; VI, drying by hot blast and drying by a dryer; VII; soft-pressing; VIII, drying by the dryer and rolling. The production method of the environment-friendly bleached-surface Kraft linerboard has reduced cost and improved fiber cyclic utilization, has improved economic benefit, and meets the national requirements of energy conservation, consumption reduction and environmental protection, the produced environment-friendly bleached-surface Kraft linerboard completely reaches the quality level of domestic high-grade bleached-surface Kraft linerboard in terms of whiteness, thickness, stiffness, flexural strength and printing adaptability.
Description
Technical field
The present invention relates to pulp technology for making paper, and in particular to a kind of production technology of environmentally friendly white-top kraft liner board.
Background technology
White-top kraft liner board belongs to the category of wrapping paper, has its original characteristic in printing ornamenting, and its whiteness is high, intensity
High, ink absorption is good, printing quality is excellent, not only there is good packaging protective action, and is suitable to senior colored printing,
Printed image image and it is true to nature and bright-coloured pure white, package goods is more made us pleasing, give rich and honour, graceful, elegance
Enjoyment.
In face of the situation that develops rapidly of increasingly fierce industry competition and packaging industry, user to the quality of paper and cardboard,
Price request is more and more high, Developing New Variety, adaptation to market variations, strengthens enterprise's life power, seizes the opportunity, and is ready for the challenge, and is
The urgent task that we face.Simultaneously with the propulsion of environmental protection in world wide, in response to national green papermaking,
The call of energy-saving and emission-reduction, paper industry is also required to environmental protection and energy saving.However, in the prior art, traditional white-top kraft liner board is to use
The manufacture of whole wood pulp vermicelli, there is production cost defect high, in addition, the white-top kraft liner board of prior art manufacture also has water resistant
Performance is bad, and printing performance is bad, the problem of easy hair and powder dropping, also, the meeting in preparation process of existing white-top kraft liner board
There is streak, the unequal paper defects of applying glue that scraper applying glue is brought.
The content of the invention
The purpose of the present invention is to solve the shortcomings of the prior art, there is provided a kind of production technology of environmentally friendly white-top kraft liner board,
The production technology of the environmentally friendly white-top kraft liner board has low production cost, and preparation process is avoided that occur what scraper applying glue was brought
Streak, the unequal paper defects of applying glue, in addition, manufactured white-top kraft liner board has a water resisting property, energy is good, and printing performance is good and is avoided that
The advantage of hair and powder dropping.
To achieve these goals, the present invention is adopted the following technical scheme that：
A kind of production technology of environmentally friendly white-top kraft liner board is provided, it is comprised the following steps：
Step one, material selection：Surface layer is prepared from office waste Deinking Pulp, it is de- from office waste Deinking Pulp and old newsprint
Ink slurry is mixed with sandwich layer, and bottom is prepared from corrugated case secondary stock；
Step 2, forms paper machine feeding slurry：Surface layer feeding slurry, sandwich layer feeding slurry are formed respectively using three layers of long mesh paper making machine
With bottom feeding slurry；And toward adding retention agent in surface layer feeding slurry, sandwich layer feeding slurry and bottom feeding slurry, while
Calcium carbonate is added respectively toward surface layer feeding slurry and sandwich layer feeding slurry；And toward adding fluorescent brightening in surface layer feeding slurry
Agent；
Step 3, squeezing：Surface layer feeding slurry, sandwich layer feeding slurry and bottom feeding slurry to step 2 are carried out three times successively
Squeezing, obtains semi-finished product paper；
Step 4, dries and hard pressure：The drying cylinder semi-finished product paper obtained to step 3, is dried, then using hard using drying cylinder
Calender carries out ornamenting paper；
Step 5, applying glue：Semi-finished product paper toward sizing applicator after addition glue to step 4 carries out immersion type applying glue；
Step 6, heated-air drying and cylinder dried：Semi-finished product paper after applying glue is dried first with hot blast, is then recycled
Drying cylinder is dried；
Step 7, soft pressure：The semi-finished product paper of step 6 is carried out at the control and surface press polish of sheet thickness using soft press-polishing machine
Reason；
Step 8, cylinder dried and batches：Semi-finished product paper after soft pressure is dried using drying cylinder, is then batched, that is, be obtained
The environmentally friendly white-top kraft liner board.
In above-mentioned technical proposal, the step one, in the material selection of sandwich layer, office waste Deinking Pulp and old newsprint deinking
The mass ratio of slurry is 1：1~2.
In above-mentioned technical proposal, the step one, in the material selection of sandwich layer, office waste Deinking Pulp and old newsprint deinking
The mass ratio of slurry is 1：1.
In above-mentioned technical proposal, in the step 2, surface layer feeding slurry addition retention agent 0.8Kg ~ 1.5Kg per ton；Often
Ton sandwich layer feeding slurry addition retention agent 0.8Kg ~ 1.0Kg；Added in bottom feeding slurry per ton retention agent 0.05Kg ~
0.15Kg。
In above-mentioned technical proposal, in the step 2, surface layer feeding slurry per ton and sandwich layer feeding slurry per ton are added
Calcium carbonate 50Kg ~ 70Kg.
In above-mentioned technical proposal, in the step 2, fluorescent whitening agent 3Kg ~ 10Kg is added in surface layer feeding slurry per ton.
In above-mentioned technical proposal, the fluorescent whitening agent is 2`- disulfonic acid.
In above-mentioned technical proposal, in the step 5, the glue is made up of the component of following parts by weight：
80 parts ~ 95 parts of tapioca
15 parts ~ 20 parts of Cypres
0.02 part ~ 0.05 part of active amylase
15 parts ~ 20 parts of aluminum sulfate.
In above-mentioned technical proposal, it is preferred that in the step 5, the glue is made up of the component of following parts by weight：
80 parts ~ 90 parts of tapioca
15 parts ~ 18 parts of Cypres
0.02 part ~ 0.04 part of active amylase
15 parts ~ 18 parts of aluminum sulfate.
In above-mentioned technical proposal, be more highly preferred to, in the step 5, the glue by following parts by weight component group
Into：
88 parts of tapioca
16 parts of Cypres
0.03 part of active amylase
17 parts of aluminum sulfate.
Compared with prior art, beneficial effect is the present invention：
（1）The production technology of a kind of environmentally friendly white-top kraft liner board that the present invention is provided, compared with prior art, due to selecting office
Pulp from decoloured waste paper prepares surface layer, sandwich layer is mixed with from office waste Deinking Pulp and deinked ONP, from corrugated paper
Case secondary stock prepares bottom, and the recycling of fiber is increased while therefore, it is possible to reduces cost, both improves economic benefit,
The requirement of national energy-saving consumption reduction, environment-friendly type has been implemented again.
（2）The production technology of a kind of environmentally friendly white-top kraft liner board that the present invention is provided, obtained environmentally friendly white-top kraft liner board exists
Whiteness, thickness, deflection, folding strength and printing adaptability aspect fully meet the quality level of domestic senior art post paperboard.
（3）The production technology of a kind of environmentally friendly white-top kraft liner board that the present invention is provided, in step 2 toward surface layer feeding slurry and
Calcium carbonate is added respectively in sandwich layer feeding slurry, it is possible to increase the whiteness and evenness of surface layer slurry, and can reduce surface layer, sandwich layer
The usage amount of Deinking Pulp, increases the usage amount of corrugated case secondary stock, and then reduces cost, further, since calcium carbonate price is low
Honest and clean, price is only 1/5th of slurry, and calcium carbonate is added in the slurry, substantially reduces production cost.
（4）The production technology of a kind of environmentally friendly white-top kraft liner board that the present invention is provided, glue used can be filled out in step 5
The surface pore of page is filled, micropore size is reduced, so as to reduce the infiltration of liquid, raising paper surface water-resistance energy is reached, improved
Printing performance, prevents the purpose of hair and powder dropping；In addition, for carrying out immersion type applying glue, the solid content of glue can be reduced, improve
The uniformly penetrating performance of glue, and streak, the unequal paper defects of applying glue that traditional scraper applying glue is brought can be avoided the occurrence of.
（5）The production technology of a kind of environmentally friendly white-top kraft liner board that the present invention is provided, with process is simple, low production cost,
And the characteristics of mass producing can be applied to.
Specific embodiment
In order that technical problem solved by the invention, technical scheme and beneficial effect become more apparent, below in conjunction with
Embodiment, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to explain
The present invention, is not intended to limit the present invention.
Embodiment 1.
A kind of production technology of environmentally friendly white-top kraft liner board, it is comprised the following steps：
Step one, material selection：Surface layer is prepared from office waste Deinking Pulp, it is de- from office waste Deinking Pulp and old newsprint
Ink slurry is mixed with sandwich layer, and bottom is prepared from corrugated case secondary stock；In the present embodiment, in the material selection of sandwich layer, office
Pulp from decoloured waste paper is 1 with the mass ratio of deinked ONP：1；
Step 2, prepares paper machine feeding slurry：Surface layer feeding slurry, sandwich layer feeding slurry are formed respectively using three layers of long mesh paper making machine
With bottom feeding slurry；And toward adding retention agent in surface layer feeding slurry, sandwich layer feeding slurry and bottom feeding slurry, while
Calcium carbonate is added respectively toward surface layer feeding slurry and sandwich layer feeding slurry；And toward adding fluorescent brightening in surface layer feeding slurry
Agent；
In the present embodiment, surface layer feeding slurry addition retention agent 1.0Kg per ton；Sandwich layer feeding slurry per ton adds retention agent
0.9Kg；Retention agent 0.1Kg is added in bottom feeding slurry per ton；
In the present embodiment, surface layer feeding slurry per ton and sandwich layer feeding slurry per ton add calcium carbonate 60Kg；On surface layer per ton
Fluorescent whitening agent 6Kg is added in slurry material；Wherein, fluorescent whitening agent is 2`- disulfonic acid；
Step 3, squeezing：Surface layer feeding slurry, sandwich layer feeding slurry and bottom feeding slurry to step 2 are carried out three times successively
Squeezing, obtains semi-finished product paper；
Step 4, dries and hard pressure：The drying cylinder semi-finished product paper obtained to step 3, is dried, then using hard using drying cylinder
Calender carries out ornamenting paper；
Step 5, applying glue：Semi-finished product paper toward sizing applicator after addition glue to step 4 carries out immersion type applying glue；
In the present embodiment, glue is made up of the component of following parts by weight：
88 parts of tapioca
16 parts of Cypres
0.03 part of active amylase
17 parts of aluminum sulfate；
Step 6, heated-air drying and cylinder dried：Semi-finished product paper after applying glue is dried first with hot blast, is then recycled
Drying cylinder is dried；
Step 7, soft pressure：The semi-finished product paper of step 6 is carried out at the control and surface press polish of sheet thickness using soft press-polishing machine
Reason；
Step 8, cylinder dried and batches：Semi-finished product paper after soft pressure is dried using drying cylinder, is then batched, that is, be obtained
The environmentally friendly white-top kraft liner board.
Embodiment 2.
A kind of production technology of environmentally friendly white-top kraft liner board, it is comprised the following steps：
Step one, material selection：Surface layer is prepared from office waste Deinking Pulp, it is de- from office waste Deinking Pulp and old newsprint
Ink slurry is mixed with sandwich layer, and bottom is prepared from corrugated case secondary stock；In the present embodiment, in the material selection of sandwich layer, office
Pulp from decoloured waste paper is 1 with the mass ratio of deinked ONP：2；
Step 2, prepares paper machine feeding slurry：Surface layer feeding slurry, sandwich layer feeding slurry are formed respectively using three layers of long mesh paper making machine
With bottom feeding slurry；And toward adding retention agent in surface layer feeding slurry, sandwich layer feeding slurry and bottom feeding slurry, while
Calcium carbonate is added respectively toward surface layer feeding slurry and sandwich layer feeding slurry；And toward adding fluorescent brightening in surface layer feeding slurry
Agent；
In the present embodiment, surface layer feeding slurry addition retention agent 0.8Kg per ton；Sandwich layer feeding slurry per ton adds retention agent
0.8Kg；Retention agent 0.05Kg is added in bottom feeding slurry per ton；
In the present embodiment, surface layer feeding slurry per ton and sandwich layer feeding slurry per ton add calcium carbonate 50Kg；On surface layer per ton
Fluorescent whitening agent 3Kg is added in slurry material；Wherein, fluorescent whitening agent is 2`- disulfonic acid；
Step 3, squeezing：Surface layer feeding slurry, sandwich layer feeding slurry and bottom feeding slurry to step 2 are carried out three times successively
Squeezing, obtains semi-finished product paper；
Step 4, dries and hard pressure：The drying cylinder semi-finished product paper obtained to step 3, is dried, then using hard using drying cylinder
Calender carries out ornamenting paper；
Step 5, applying glue：Semi-finished product paper toward sizing applicator after addition glue to step 4 carries out immersion type applying glue；
In the present embodiment, glue is made up of the component of following parts by weight：
80 parts of tapioca
15 parts of Cypres
0.02 part of active amylase
16 parts of aluminum sulfate；
Step 6, heated-air drying and cylinder dried：Semi-finished product paper after applying glue is dried first with hot blast, is then recycled
Drying cylinder is dried；
Step 7, soft pressure：The semi-finished product paper of step 6 is carried out at the control and surface press polish of sheet thickness using soft press-polishing machine
Reason；
Step 8, cylinder dried and batches：Semi-finished product paper after soft pressure is dried using drying cylinder, is then batched, that is, be obtained
The environmentally friendly white-top kraft liner board.
Embodiment 3.
A kind of production technology of environmentally friendly white-top kraft liner board, it is comprised the following steps：
Step one, material selection：Surface layer is prepared from office waste Deinking Pulp, it is de- from office waste Deinking Pulp and old newsprint
Ink slurry is mixed with sandwich layer, and bottom is prepared from corrugated case secondary stock；In the present embodiment, in the material selection of sandwich layer, office
Pulp from decoloured waste paper is 1 with the mass ratio of deinked ONP：1.5；
Step 2, prepares paper machine feeding slurry：Surface layer feeding slurry, sandwich layer feeding slurry are formed respectively using three layers of long mesh paper making machine
With bottom feeding slurry；And toward adding retention agent in surface layer feeding slurry, sandwich layer feeding slurry and bottom feeding slurry, while
Calcium carbonate is added respectively toward surface layer feeding slurry and sandwich layer feeding slurry；And toward adding fluorescent brightening in surface layer feeding slurry
Agent；
In the present embodiment, surface layer feeding slurry addition retention agent 1.5Kg per ton；Sandwich layer feeding slurry per ton adds retention agent
1.0Kg；Retention agent 0.15Kg is added in bottom feeding slurry per ton；
In the present embodiment, surface layer feeding slurry per ton and sandwich layer feeding slurry per ton add calcium carbonate 70Kg；On surface layer per ton
Fluorescent whitening agent 10Kg is added in slurry material；Wherein, fluorescent whitening agent is 2`- disulfonic acid；
Step 3, squeezing：Surface layer feeding slurry, sandwich layer feeding slurry and bottom feeding slurry to step 2 are carried out three times successively
Squeezing, obtains semi-finished product paper；
Step 4, dries and hard pressure：The drying cylinder semi-finished product paper obtained to step 3, is dried, then using hard using drying cylinder
Calender carries out ornamenting paper；
Step 5, applying glue：Semi-finished product paper toward sizing applicator after addition glue to step 4 carries out immersion type applying glue；
In the present embodiment, glue is made up of the component of following parts by weight：
90 parts of tapioca
18 parts of Cypres
0.04 part of active amylase
15 parts of aluminum sulfate；
Step 6, heated-air drying and cylinder dried：Semi-finished product paper after applying glue is dried first with hot blast, is then recycled
Drying cylinder is dried；
Step 7, soft pressure：The semi-finished product paper of step 6 is carried out at the control and surface press polish of sheet thickness using soft press-polishing machine
Reason；
Step 8, cylinder dried and batches：Semi-finished product paper after soft pressure is dried using drying cylinder, is then batched, that is, be obtained
The environmentally friendly white-top kraft liner board.
Embodiment 4.
A kind of production technology of environmentally friendly white-top kraft liner board, it is comprised the following steps：
Step one, material selection：Surface layer is prepared from office waste Deinking Pulp, it is de- from office waste Deinking Pulp and old newsprint
Ink slurry is mixed with sandwich layer, and bottom is prepared from corrugated case secondary stock；In the present embodiment, in the material selection of sandwich layer, office
Pulp from decoloured waste paper is 1 with the mass ratio of deinked ONP：1.2；
Step 2, prepares paper machine feeding slurry：Surface layer feeding slurry, sandwich layer feeding slurry are formed respectively using three layers of long mesh paper making machine
With bottom feeding slurry；And toward adding retention agent in surface layer feeding slurry, sandwich layer feeding slurry and bottom feeding slurry, while
Calcium carbonate is added respectively toward surface layer feeding slurry and sandwich layer feeding slurry；And toward adding fluorescent brightening in surface layer feeding slurry
Agent；
In the present embodiment, surface layer feeding slurry addition retention agent 1.2Kg per ton；Sandwich layer feeding slurry per ton adds retention agent
0.8Kg；Retention agent 0.12Kg is added in bottom feeding slurry per ton；
In the present embodiment, surface layer feeding slurry per ton and sandwich layer feeding slurry per ton add calcium carbonate 55Kg；On surface layer per ton
Fluorescent whitening agent 5Kg is added in slurry material；Wherein, fluorescent whitening agent is 2`- disulfonic acid；
Step 3, squeezing：Surface layer feeding slurry, sandwich layer feeding slurry and bottom feeding slurry to step 2 are carried out three times successively
Squeezing, obtains semi-finished product paper；
Step 4, dries and hard pressure：The drying cylinder semi-finished product paper obtained to step 3, is dried, then using hard using drying cylinder
Calender carries out ornamenting paper；
Step 5, applying glue：Semi-finished product paper toward sizing applicator after addition glue to step 4 carries out immersion type applying glue；
In the present embodiment, glue is made up of the component of following parts by weight：
95 parts of tapioca
20 parts of Cypres
0.05 part of active amylase
20 parts of aluminum sulfate；
Step 6, heated-air drying and cylinder dried：Semi-finished product paper after applying glue is dried first with hot blast, is then recycled
Drying cylinder is dried；
Step 7, soft pressure：The semi-finished product paper of step 6 is carried out at the control and surface press polish of sheet thickness using soft press-polishing machine
Reason；
Step 8, cylinder dried and batches：Semi-finished product paper after soft pressure is dried using drying cylinder, is then batched, that is, be obtained
The environmentally friendly white-top kraft liner board.
Embodiment 5.
A kind of production technology of environmentally friendly white-top kraft liner board, it is comprised the following steps：
Step one, material selection：Surface layer is prepared from office waste Deinking Pulp, it is de- from office waste Deinking Pulp and old newsprint
Ink slurry is mixed with sandwich layer, and bottom is prepared from corrugated case secondary stock；In the present embodiment, in the material selection of sandwich layer, office
Pulp from decoloured waste paper is 1 with the mass ratio of deinked ONP：1.4；
Step 2, prepares paper machine feeding slurry：Surface layer feeding slurry, sandwich layer feeding slurry are formed respectively using three layers of long mesh paper making machine
With bottom feeding slurry；And toward adding retention agent in surface layer feeding slurry, sandwich layer feeding slurry and bottom feeding slurry, while
Calcium carbonate is added respectively toward surface layer feeding slurry and sandwich layer feeding slurry；And toward adding fluorescent brightening in surface layer feeding slurry
Agent；
In the present embodiment, surface layer feeding slurry addition retention agent 0.9Kg per ton；Sandwich layer feeding slurry per ton adds retention agent
0.9Kg；Retention agent 0.08Kg is added in bottom feeding slurry per ton；
In the present embodiment, surface layer feeding slurry per ton and sandwich layer feeding slurry per ton add calcium carbonate 65Kg；On surface layer per ton
Fluorescent whitening agent 8Kg is added in slurry material；Wherein, fluorescent whitening agent is 2`- disulfonic acid；
Step 3, squeezing：Surface layer feeding slurry, sandwich layer feeding slurry and bottom feeding slurry to step 2 are carried out three times successively
Squeezing, obtains semi-finished product paper；
Step 4, dries and hard pressure：The drying cylinder semi-finished product paper obtained to step 3, is dried, then using hard using drying cylinder
Calender carries out ornamenting paper；
Step 5, applying glue：Semi-finished product paper toward sizing applicator after addition glue to step 4 carries out immersion type applying glue；
In the present embodiment, glue is made up of the component of following parts by weight：
83 parts of tapioca
17 parts of Cypres
0.03 part of active amylase
18 parts of aluminum sulfate；
Step 6, heated-air drying and cylinder dried：Semi-finished product paper after applying glue is dried first with hot blast, is then recycled
Drying cylinder is dried；
Step 7, soft pressure：The semi-finished product paper of step 6 is carried out at the control and surface press polish of sheet thickness using soft press-polishing machine
Reason；
Step 8, cylinder dried and batches：Semi-finished product paper after soft pressure is dried using drying cylinder, is then batched, that is, be obtained
The environmentally friendly white-top kraft liner board.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of scope is protected, although being explained to the present invention with reference to preferred embodiment, one of ordinary skill in the art should
Work as understanding, technical scheme can be modified or equivalent, without deviating from the reality of technical solution of the present invention
Matter and scope.
Claims (10)
1. a kind of production technology of environmentally friendly white-top kraft liner board, it is characterised in that：It is comprised the following steps：
Step one, material selection：Surface layer is prepared from office waste Deinking Pulp, it is de- from office waste Deinking Pulp and old newsprint
Ink slurry is mixed with sandwich layer, and bottom is prepared from corrugated case secondary stock；
Step 2, prepares paper machine feeding slurry：Surface layer feeding slurry, sandwich layer feeding slurry are formed respectively using three layers of long mesh paper making machine
With bottom feeding slurry；And toward adding retention agent in surface layer feeding slurry, sandwich layer feeding slurry and bottom feeding slurry, while
Calcium carbonate is added respectively toward surface layer feeding slurry and sandwich layer feeding slurry；And toward adding fluorescent brightening in surface layer feeding slurry
Agent；
Step 3, squeezing：Surface layer feeding slurry, sandwich layer feeding slurry and bottom feeding slurry to step 2 are carried out three times successively
Squeezing, obtains semi-finished product paper；
Step 4, dries and hard pressure：The drying cylinder semi-finished product paper obtained to step 3, is dried, then using hard using drying cylinder
Calender carries out ornamenting paper；
Step 5, applying glue：Semi-finished product paper toward sizing applicator after addition glue to step 4 carries out immersion type applying glue；
Step 6, heated-air drying and cylinder dried：Semi-finished product paper after applying glue is dried first with hot blast, is then recycled
Drying cylinder is dried；
Step 7, soft pressure：The semi-finished product paper of step 6 is carried out at the control and surface press polish of sheet thickness using soft press-polishing machine
Reason；
Step 8, cylinder dried and batches：Semi-finished product paper after soft pressure is dried using drying cylinder, is then batched, that is, be obtained
The environmentally friendly white-top kraft liner board.
2. the production technology of a kind of environmentally friendly white-top kraft liner board according to claim 1, it is characterised in that：The step one,
In the material selection of sandwich layer, office waste Deinking Pulp is 1 with the mass ratio of deinked ONP：1~2.
3. the production technology of a kind of environmentally friendly white-top kraft liner board according to claim 2, it is characterised in that：The step one,
In the material selection of sandwich layer, office waste Deinking Pulp is 1 with the mass ratio of deinked ONP：1.
4. the production technology of a kind of environmentally friendly white-top kraft liner board according to claim 1, it is characterised in that：The step 2
In, surface layer feeding slurry addition retention agent 0.8Kg ~ 1.5Kg per ton；Sandwich layer feeding slurry addition retention agent 0.8Kg per ton ~
1.0Kg；Retention agent 0.05Kg ~ 0.15Kg is added in bottom feeding slurry per ton.
5. the production technology of a kind of environmentally friendly white-top kraft liner board according to claim 1, it is characterised in that：The step 2
In, surface layer feeding slurry per ton and sandwich layer feeding slurry per ton add calcium carbonate 50Kg ~ 70Kg.
6. the production technology of a kind of environmentally friendly white-top kraft liner board according to claim 1, it is characterised in that：The step 2
In, fluorescent whitening agent 3Kg ~ 10Kg is added in surface layer feeding slurry per ton.
7. the production technology of a kind of environmentally friendly white-top kraft liner board according to claim 1 or 6, it is characterised in that：The fluorescence
Brightening agent is 2`- disulfonic acid.
8. the production technology of a kind of environmentally friendly white-top kraft liner board according to claim 1, it is characterised in that：The step 5
In, the glue is made up of the component of following parts by weight：
80 parts ~ 95 parts of tapioca
15 parts ~ 20 parts of Cypres
0.02 part ~ 0.05 part of active amylase
15 parts ~ 20 parts of aluminum sulfate.
9. the production technology of a kind of environmentally friendly white-top kraft liner board according to claim 8, it is characterised in that：The step 5
In, the glue is made up of the component of following parts by weight：
80 parts ~ 90 parts of tapioca
15 parts ~ 18 parts of Cypres
0.02 part ~ 0.04 part of active amylase
15 parts ~ 18 parts of aluminum sulfate.
10. the production technology of a kind of environmentally friendly white-top kraft liner board according to claim 8, it is characterised in that：The step 5
In, the glue is made up of the component of following parts by weight：
88 parts of tapioca
16 parts of Cypres
0.03 part of active amylase
17 parts of aluminum sulfate.
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| CN201611264231.9A CN106676926A (en) | 2016-12-30 | 2016-12-30 | Production method of environment-friendly bleached-surface Kraft linerboard |
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| CN201611264231.9A CN106676926A (en) | 2016-12-30 | 2016-12-30 | Production method of environment-friendly bleached-surface Kraft linerboard |
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Application publication date: 20170517 |