CN108978321A - A kind of preparation method and application of gypsum mask paperboard body paper - Google Patents
A kind of preparation method and application of gypsum mask paperboard body paper Download PDFInfo
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- CN108978321A CN108978321A CN201811043434.4A CN201811043434A CN108978321A CN 108978321 A CN108978321 A CN 108978321A CN 201811043434 A CN201811043434 A CN 201811043434A CN 108978321 A CN108978321 A CN 108978321A
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- Prior art keywords
- slurry
- body paper
- paperboard body
- preparation
- mask
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- 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
- D21B1/32—Defibrating by other means of waste paper
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Abstract
The invention belongs to pulp technology for making paper, and in particular to a kind of preparation method and application of gypsum mask paperboard body paper.First by waste and old boxboard size degradation, slurry A is obtained；Slurry A be dehydrated simultaneously defibrination, obtains slurry B；The concentration for adjusting slurry B obtains slurry C；The auxiliary agent of slurry C mass fraction 0.05-0.5% is added, is uniformly mixed and obtains slurry D；Top wire former is successively carried out using slurry D, dehydration, squeezing, drying, top sizing, is dried again, is obtained being filled with mine tailing in secondary stock and is prepared gypsum mask paperboard body paper.The present invention can improve the preparation process of gypsum mask paperboard body paper, and at low cost on the basis of guaranteeing paper sheet stiffness and intensity, easy to operate.The present invention has the characteristics that high tightness and preferable mechanical strength.
Description
Technical field
The invention belongs to pulp technology for making paper, and in particular to a kind of preparation method and application of gypsum mask paperboard body paper.
Background technique
Copper tailing is also known as copper tailings, is one of the product of separation operation in ore dressing, is the minimum portion of target components copper content
Point, by the gritty waste of fine powder that ore is remaining after crushing, is selected.China's copper mining is with a long history, every output
1t mineral products copper just has 400t barren rock and tailing generates, therefore copper tailing is very representative in bulk solid waste.According to
Incomplete statistics, China's copper tailing annual output are 0.31 hundred million t, and accumulative accumulated has reached 2,400,000,000 t within 2013.China has up to ten thousand
Seat copper tailings storehouse in large scale, induces heavy metal pollution, causes huge pressure to the ecological environment of surrounding, safety etc.
Power.It is similar to conventional papermaking filler since mine tailing is mostly powdered；And it is filled with if mine tailing is used for papermaking, not only
It can turn waste into wealth, be very beneficial for restoration of the ecosystem, and papermaking cost can be saved.
Summary of the invention
It is an object of the invention to overcome problems of the prior art, a kind of system of gypsum mask paperboard body paper is provided
Gypsum mask paperboard body paper that meet national standards is prepared in Preparation Method and application.
In order to achieve the above object, the present invention adopts the following technical scheme:
A kind of preparation method of gypsum mask paperboard body paper, comprising the following steps:
(1) by waste and old boxboard in hydrabrusher size degradation, obtain slurry A；
(2) slurry A is dehydrated by screw extrusion and is transported in highly concentrated pulp storage tower, then in highly concentrated pulp storage tower
The mode of slurry A helical feed, which is delivered in middle-density refiner, carries out defibrination, and the slurry A after mill is sent into reserve pit after grinding
In, obtain slurry B；
(3) slurry B is made its concentration be adjusted to 0.5~1.0%, obtains slurry C by adding water；
(4) auxiliary agent that 10~40% copper tailing powder and mass fraction are 0.05~0.5% is sequentially added in slurry C, is obtained
To slurry D；The additional amount of 10~40% copper tailing powder is the absolute dry mass relative to slurry B；
(5) slurry D is successively subjected to Top wire former, dehydration, squeezing, drying and top sizing, dried again, obtain mass dryness fraction
For 92~94% gypsum mask paperboard body paper.
Preferably, the size degradation degree of waste and old boxboard is that fiber is completely dispersed as paper pulp in step (1).
Preferably, slurry A beating degree is 40~48 ° of SR in step (2), and being dewatered to slurry concentration is 8%~12%, defibrination
Concentration is 8%~12%.
Preferably, the water being added in step (3) is the tap water by filtering.
Preferably, the partial size of copper tailing powder is 30~45 μm in step (4), is irregular shape, and primary chemical group becomes
SiO2、Al2O3、K2O, MgO and "dead" element.
Preferably, the auxiliary agent in step (4) is 0.05~0.5% cation poly- third of secondary stock slurry B over dry gross mass
Acrylamide.
Preferably, Top wire former uses a point method for three layers of simultaneously composite molding of manufacturing paper with pulp in step (5)；Upper layer and lower layer slurry
Beating degree is 40~43 ° of SR, and wherein copper tailing additive amount ratio is 10~20%, and the beating degree of middle layer slurry is 42~48 °
SR, wherein copper tailing additive amount ratio is 10~40%, and each layer plasm-glue-blending uses general neutral sizing agent.
Preferably, top sizing uses cationic starch, resin added 2-6g/m in step (5)2。
The present invention adds copper tailing powder in secondary stock and is applied to prepare in gypsum mask paperboard body paper.
Compared with prior art, the invention has the following beneficial technical effects:
The present invention is by after waste and old boxboard size degradation, then carries out defibrination, adjusts slurry concentration after mill, adds auxiliary agent, mixes
Paper is copied into after uniformly on a papermaking machine, top sizing is carried out after dry, has obtained gypsum mask paperboard body paper.The present invention can
On the basis of guaranteeing paper density and intensity, the preparation process of gypsum mask paperboard is improved, prepares the gypsum shield being filled with
Panel paper body paper.There is high-filling, high tightness and preferable machinery using the gypsum mask paperboard body paper of the method for the present invention manufacture
The features such as intensity, the quantification of 180g/m of body paper2, tensile strength is greater than 6kN/m.
Specific embodiment
Embodiment 1
A kind of preparation method of gypsum mask paperboard body paper described in the present embodiment, comprising the following steps:
(1) by waste and old boxboard in hydrabrusher size degradation, obtain slurry A；
(2) slurry A is dehydrated by screw extrusion and is transported in highly concentrated pulp storage tower, then in highly concentrated pulp storage tower
The mode of slurry A helical feed, which is delivered in middle-density refiner, carries out defibrination, and the slurry A after mill is sent into reserve pit after grinding
In, obtain slurry B；Highly concentrated pulp storage tower is to guarantee the continuity of preparation and the stability of product；
(3) slurry B is made its concentration be adjusted to 0.5%, obtains slurry C by the way that the tap water by filtering is added；
(4) cationic polyacrylamide that 10% copper tailing powder and mass fraction are 0.05% is sequentially added in slurry C,
Obtain slurry D；The additional amount of the 10% copper tailing powder is the absolute dry mass relative to slurry B；The partial size of the copper tailing powder
It is 30 μm, is irregular shape, primary chemical group becomes SiO2、Al2O3、K2O, MgO and "dead" element.
(5) slurry D is successively subjected to Top wire former, dehydration, squeezing, drying and top sizing, dried again, drying curve
Using 70-110-70 DEG C, the gypsum mask paperboard body paper that mass dryness fraction is 92% is obtained.The top sizing uses cationic starch,
Resin added is 2g/m2。
In the present embodiment, the size degradation degree of waste and old boxboard is that fiber is completely dispersed as paper pulp in step (1).
In the present embodiment, slurry A beating degree is 40 ° of SR in step (2), and being dewatered to slurry concentration is 8%, and refining concentration is
8%.
In the present embodiment, Top wire former is using a point method for three layers of simultaneously composite molding of manufacturing paper with pulp in step (5)；Upper layer and lower layer slurry
The beating degree of material is 40 ° of SR, and wherein copper tailing additive amount ratio is 10%, and the beating degree of middle layer slurry is 42 ° of SR, wherein copper
Tailing additive amount ratio is 10%, and each layer plasm-glue-blending uses general neutral sizing agent.The paper tool prepared in aforementioned manners
There is preferable mechanical strength, quantitative 180g/m2Body paper tensile strength be greater than 6kN/m.
The present invention adds copper tailing powder in secondary stock and is applied to prepare in gypsum mask paperboard body paper.
Embodiment 2
A kind of preparation method of gypsum mask paperboard body paper described in the present embodiment, comprising the following steps:
(1) by waste and old boxboard in hydrabrusher size degradation, obtain slurry A；
(2) slurry A is dehydrated by screw extrusion and is transported in highly concentrated pulp storage tower, then in highly concentrated pulp storage tower
The mode of slurry A helical feed, which is delivered in middle-density refiner, carries out defibrination, and the slurry A after mill is sent into reserve pit after grinding
In, obtain slurry B；
(3) slurry B is made its concentration be adjusted to 1.0%, obtains slurry C by the way that the tap water by filtering is added；
(4) cationic polyacrylamide that 40% copper tailing powder and mass fraction are 0.5% is sequentially added in slurry C,
Obtain slurry D；The additional amount of the 40% copper tailing powder is the absolute dry mass relative to slurry B；The partial size of the copper tailing powder
It is 45 μm, is irregular shape, primary chemical group becomes SiO2、Al2O3、K2O, MgO and "dead" element.
(5) slurry D is successively subjected to Top wire former, dehydration, squeezing, drying and top sizing, dried again, drying curve
Using 70-110-70 DEG C, the gypsum mask paperboard body paper that mass dryness fraction is 94% is obtained.The top sizing uses cationic starch,
Resin added is 6g/m2。
In the present embodiment, the size degradation degree of waste and old boxboard is that fiber is completely dispersed as paper pulp in step (1).
In the present embodiment, slurry A beating degree is 48 ° of SR in step (2), and being dewatered to slurry concentration is 12%, refining concentration
It is 12%.
In the present embodiment, Top wire former is using a point method for three layers of simultaneously composite molding of manufacturing paper with pulp in step (5)；Upper layer and lower layer slurry
The beating degree of material is 43 ° of SR, and wherein copper tailing additive amount ratio is 20%, and the beating degree of middle layer slurry is 48 ° of SR, wherein copper
Tailing additive amount ratio is 40%, and each layer plasm-glue-blending uses general neutral sizing agent.The paper tool prepared in aforementioned manners
There is preferable mechanical strength, is quantitatively greater than 180g/m2Body paper tensile strength be greater than 6kN/m.
The present invention adds copper tailing powder in secondary stock and is applied to prepare in gypsum mask paperboard body paper.
Embodiment 3
A kind of preparation method of gypsum mask paperboard body paper described in the present embodiment, comprising the following steps:
(1) by waste and old boxboard in hydrabrusher size degradation, obtain slurry A；
(2) slurry A is dehydrated by screw extrusion and is transported in highly concentrated pulp storage tower, then in highly concentrated pulp storage tower
The mode of slurry A helical feed, which is delivered in middle-density refiner, carries out defibrination, and the slurry A after mill is sent into reserve pit after grinding
In, obtain slurry B；
(3) slurry B is made its concentration be adjusted to 0.8%, obtains slurry C by the way that the tap water by filtering is added；
(4) cationic polyacrylamide that 30% copper tailing powder and mass fraction are 0.3% is sequentially added in slurry C,
Obtain slurry D；The additional amount of the 30% copper tailing powder is the absolute dry mass relative to slurry B；The partial size of the copper tailing powder
It is 40 μm, is irregular shape, primary chemical group becomes SiO2、Al2O3、K2O, MgO and "dead" element.
(5) slurry D is successively subjected to Top wire former, dehydration, squeezing, drying and top sizing, dried again, drying curve
Using 70-110-70 DEG C, the gypsum mask paperboard body paper that mass dryness fraction is 93% is obtained.The top sizing uses cationic starch,
Resin added is 4g/m2。
In the present embodiment, the size degradation degree of waste and old boxboard is that fiber is completely dispersed as paper pulp in step (1).
In the present embodiment, slurry A beating degree is 45 ° of SR in step (2), and being dewatered to slurry concentration is 10%, refining concentration
It is 10%.
In the present embodiment, Top wire former is using a point method for three layers of simultaneously composite molding of manufacturing paper with pulp in step (5)；Upper layer and lower layer slurry
The beating degree of material is 42 ° of SR, and wherein copper tailing additive amount ratio is 15%, and the beating degree of middle layer slurry is 45 ° of SR, wherein copper
Tailing additive amount ratio is 30%, and each layer plasm-glue-blending uses general neutral sizing agent.The stone manufactured using the method for the present invention
Cream mask paperboard body paper has preferable mechanical strength, and body paper is quantitative in 180~210g/m2Between, tensile strength is greater than 6kN/
m。
The present invention adds copper tailing powder in secondary stock and is applied to prepare in gypsum mask paperboard body paper.
Claims (9)
1. a kind of preparation method of gypsum mask paperboard body paper, which comprises the following steps:
(1) by waste and old boxboard in hydrabrusher size degradation, obtain slurry A；
(2) slurry A is dehydrated by screw extrusion and is transported in highly concentrated pulp storage tower, then the slurry in highly concentrated pulp storage tower
The mode of A helical feed, which is delivered in middle-density refiner, carries out defibrination, the slurry A after mill is sent into after grinding in reserve pit, is obtained
To slurry B；
(3) slurry B is made its concentration be adjusted to 0.5~1.0%, obtains slurry C by adding water；
(4) auxiliary agent that 10~40% copper tailing powder and mass fraction are 0.05~0.5% is sequentially added in slurry C, is starched
Expect D；The additional amount of 10~40% copper tailing powder is the absolute dry mass relative to slurry B；
(5) slurry D is successively subjected to Top wire former, dehydration, squeezing, drying and top sizing, dried again, obtaining mass dryness fraction is 92
~94% gypsum mask paperboard body paper.
2. a kind of preparation method of gypsum mask paperboard body paper according to claim 1, it is characterised in that: in step (1)
The size degradation degree of waste and old boxboard is that fiber is completely dispersed as paper pulp.
3. a kind of preparation method of gypsum mask paperboard body paper according to claim 1, it is characterised in that: in step (2)
Slurry A beating degree is 40~48 ° of SR, and being dewatered to slurry concentration is 8%~12%, and refining concentration is 8%~12%.
4. a kind of preparation method of gypsum mask paperboard body paper according to claim 1, it is characterised in that: in step (3)
The water of addition is the tap water by filtering.
5. a kind of preparation method of gypsum mask paperboard body paper according to claim 1, it is characterised in that: in step (4)
The partial size of copper tailing powder is 30~45 μm, is irregular shape, and primary chemical group becomes SiO2、Al2O3、K2O, MgO and without radiation
Property element.
6. a kind of preparation method of gypsum mask paperboard body paper according to claim 1, it is characterised in that: in step (4)
Auxiliary agent be secondary stock slurry B over dry gross mass 0.05~0.5% cationic polyacrylamide.
7. a kind of preparation method of gypsum mask paperboard body paper according to claim 1, it is characterised in that: in step (5)
Top wire former is using a point method for three layers of simultaneously composite molding of manufacturing paper with pulp；The beating degree of upper layer and lower layer slurry is 40~43 ° of SR, wherein copper
Tailing additive amount ratio is 10~20%, and the beating degree of middle layer slurry is 42~48 ° of SR, and wherein copper tailing additive amount ratio is
10~40%, each layer plasm-glue-blending uses general neutral sizing agent.
8. a kind of preparation method of gypsum mask paperboard body paper according to claim 1, it is characterised in that: in step (5)
Top sizing uses cationic starch, resin added 2-6g/m2。
9. the method that any one prepares gypsum mask paperboard body paper according to claim 1~8, it is characterised in that: in secondary stock
Middle addition copper tailing powder is applied to prepare in gypsum mask paperboard body paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811043434.4A CN108978321A (en) | 2018-09-07 | 2018-09-07 | A kind of preparation method and application of gypsum mask paperboard body paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811043434.4A CN108978321A (en) | 2018-09-07 | 2018-09-07 | A kind of preparation method and application of gypsum mask paperboard body paper |
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| CN108978321A true CN108978321A (en) | 2018-12-11 |
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|---|---|---|---|
| CN201811043434.4A Pending CN108978321A (en) | 2018-09-07 | 2018-09-07 | A kind of preparation method and application of gypsum mask paperboard body paper |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629285A (en) * | 2018-12-27 | 2019-04-16 | 陕西科技大学 | A kind of package paper and preparation method thereof |
| CN109629305A (en) * | 2018-12-27 | 2019-04-16 | 江苏理文造纸有限公司 | A kind of stirring technique of papermaking approach system |
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| CN101818465A (en) * | 2010-04-26 | 2010-09-01 | 泰山石膏股份有限公司 | Process for making light-weight high-strength common gypsum board mask paper |
| CN106398325A (en) * | 2016-04-20 | 2017-02-15 | 李树华 | Production method for filling material of metallic tailings |
| CN108252137A (en) * | 2017-12-08 | 2018-07-06 | 东莞建晖纸业有限公司 | The preparation process of high resistance to broken environmentally friendly kraft paperboard |
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2018
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| US6048438A (en) * | 1995-11-08 | 2000-04-11 | Nalco Chemical Company | Method to enhance the performance of polymers and copolymers of acrylamide as flocculants and retention aids |
| CN101818465A (en) * | 2010-04-26 | 2010-09-01 | 泰山石膏股份有限公司 | Process for making light-weight high-strength common gypsum board mask paper |
| CN106398325A (en) * | 2016-04-20 | 2017-02-15 | 李树华 | Production method for filling material of metallic tailings |
| CN108252137A (en) * | 2017-12-08 | 2018-07-06 | 东莞建晖纸业有限公司 | The preparation process of high resistance to broken environmentally friendly kraft paperboard |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629285A (en) * | 2018-12-27 | 2019-04-16 | 陕西科技大学 | A kind of package paper and preparation method thereof |
| CN109629305A (en) * | 2018-12-27 | 2019-04-16 | 江苏理文造纸有限公司 | A kind of stirring technique of papermaking approach system |
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Application publication date: 20181211 |