CN105648829A - Book and cultural paper pulping method - Google Patents
Book and cultural paper pulping method Download PDFInfo
- Publication number
- CN105648829A CN105648829A CN201610013158.1A CN201610013158A CN105648829A CN 105648829 A CN105648829 A CN 105648829A CN 201610013158 A CN201610013158 A CN 201610013158A CN 105648829 A CN105648829 A CN 105648829A
- Authority
- CN
- China
- Prior art keywords
- pulp
- slurry
- bleaching
- pulping
- concentration reaches
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- 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
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/14—Secondary fibres
-
- 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
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1084—Bleaching ; Apparatus therefor with reducing compounds
-
- 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
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
Abstract
The invention discloses a book and cultural paper pulping method which comprises a pulping step and a pulp mixing step. The book and cultural paper pulping method specifically comprises the following steps: (1) pulping: (a) preparing waste paper deinking pulp, namely pulping waste paper, coarsely screening for removing impurities, carrying out flotation deinking for removing ink particles, and entering a heat dispersion system after passing through a heavy impurity deslagging system and a primary multi-stage fine screening system, so that the sizes of large ink, dust and adhesives are reduced and the concentration reaches 28-32%; enabling the heat-dispersed pulp to enter a bleaching tower for oxidation bleaching; entering a rear flotation deinking system after bleaching, and separating the ink particles in the pulp; carrying out reductive bleaching to remove colored substances in the pulp until the concentration reaches 10%; mixing the pulp in a pulp storage tower; (b) preparing wood pulp, namely pulping a wood pulp block through a hydrapulper until the concentration is 4%-5%, enabling the pulp to enter an unloading pulp pool until the concentration reaches 3.5%, processing the pulp through a high-concentration grit catcher, processing the pulp through a disc mill and then entering the slurry pool for mixing; and (2) mixing pulp, namely mixing the pulp from the waste paper deinking pulp and the wood pulp at a ratio of 70%-80% to 20%-30% (v/v), and fully mixing until the concentration reaches 3.5%.
Description
Technical field
The present invention relates to paper pulp preparation method, particularly books and periodicals Cultural Paper pulping process.
Background technology
Books and periodicals Cultural Paper is mainly used for various publications, as hectographic printings such as books, magazine, documents, is meThe one that generally uses of daily life. In currently available technology the raw material of books and periodicals Cultural Paper be whole wood pulp orWood pulp adds straw pulp, and the former cost is high, compared with havoc the forest reserves, and the product whiteness of producing is too high,Can reach 95 degree to 105 degree, detect through science, the light of the whiter reflection under fluorescent light of paper is stronger, to people'sVision health is more harmful, therefore has the hidden danger that affects people's eyesight; The latter except cost is higher, straw pulp portionDivide the waste water, the residue contamination that produce serious.
Summary of the invention
The object of the invention is to overcome existing above-mentioned deficiency in prior art, the books and periodicals literary composition of environmental protection is providedChange paste-making method made of paper.
In order to realize foregoing invention object, the invention provides following technical scheme:
Books and periodicals Cultural Paper pulping process, comprises pulping, with slurry, specifically comprises the steps:
(1) pulping:
(a) prepare pulp from decoloured waste paper: size degradation waste paper, after scalping impurity elimination, through floatation and ink removing, remove ink particle,Through heavy seeds slag removing system and and one-level multistage fine-screening system after, enter hot decentralized system, make large ink, dirtThe size decreases of dust and gluing thing, concentration reaches 28-32%; Slurry after heat is disperseed enters bleaching tower again to carry outOxidation bleaching; After bleaching, enter rear floatation and ink removing system, the ink particle in separating slurry; Reducing bleach is de-Except the coloring matter in slurry, concentration reaches 10%; Treat again with slurry to pulp storage tower;
(b) prepare wood pulp: be 4-5% by hydrabrusher size degradation to concentration by wood pulp piece, slurry enters and unloadsIn kiln basin, concentration reaches 3.5%, after through high concentration desanding device, slurry again after disc mill to stock tank after kowtowing,Treat with slurry;
(2) with slurry: pulp from decoloured waste paper and wood pulp are pressed to 70-80%:20-30% (v/v) with slurry, fully mix,Concentration reaches 3.5%.
As preferably, above-mentioned oxidation bleaching preferably uses hydrogen peroxide bleaching.
As preferably, above-mentioned reducing bleach preferably uses the sodium borohydride liquid reduction that accounts for slurry weight 0.25%Bleaching delignification is except the coloring matter in slurry.
As preferably, after in above-mentioned steps (a), waste paper enters hot decentralized system, concentration reaches 30% for best.
Concentration of the present invention, without specified otherwise in the situation that, is mass percentage concentration (wt%).
Compared with prior art, beneficial effect of the present invention: publishing the article of present disclosure paste-making method made of paper, fullyUtilize waste paper resource, reduced the use of wood pulp, protected forest resources, meanwhile, reduced the product of discarded objectRaw, environmentally friendly, more reduce production cost when environmental protection; Pulping process bleaching effect of the present inventionGood, in having reduced bleaching agent consumption, improve pulp brightness to 78 degree. The paper that the inventive method obtainsWhiteness is up to 86 degree, can not damage people's eyesight, and not dazzling in reading process, noFatigue, is used comfortable.
Generally speaking, pulping process of the present invention, when the steady quality that keeps books and periodicals Cultural Paper is good, is protectedProtect people's eyesight, the minimum wood pulp that utilizes protects forest resources, at natural resources use and waste water, uselessThe all environmental protection more of slag discharge aspect.
Brief description of the drawings:
Fig. 1 is embodiment 1 books and periodicals Cultural Paper pulping process flow chart.
Detailed description of the invention
Below in conjunction with test example and detailed description of the invention, the present invention is described in further detail. But should be byThis is interpreted as that the scope of the above-mentioned theme of the present invention only limits to following embodiment, all based on a content of the present invention realityExisting technology all belongs to scope of the present invention.
Embodiment 1 books and periodicals Cultural Paper pulping process
With reference to Fig. 1, books and periodicals Cultural Paper pulping process, comprises pulping, with slurry, specifically comprises the steps:
1, pulping:
1.1 prepare pulp from decoloured waste paper: by drum type pulp kneader by repulping of waste paper to 15% concentration, slurry enters slightlySieve cleaning system, the thick heavy seeds of remove portion and light impurity, be pumped into after scalping and unload slip tower; From dischargingThe slurry of slurry tower enters front floatation and ink removing system, after ink particle is removed, then passes through heavy seeds scummerSystem and one-level multistage fine-screening system remove the gred, after fine screen, enter hot decentralized system, make large ink, dirtThe size decreases of dust and gluing thing, concentration reaches 30%; Slurry after heat is disperseed enters hydrogen peroxide bleaching againTower bleaching, concentration reaches 30%; After bleaching, enter rear floatation and ink removing system, the ink ion in separating slurry;Then re-use the sodium borohydride liquid reducing bleach that accounts for slurry weight 0.25% and remove the coloring matter in slurry,Concentration reaches 10%, then treats with slurry to pulp storage tower;
1.2 prepare wood pulp: be 4-5% by hydrabrusher size degradation to concentration by wood pulp piece, slurry enters dischargingIn stock tank, concentration reaches 3.5%, after through high concentration desanding device, slurry again after disc mill to stock tank after kowtowing,Treat with slurry;
2, with slurry: pulp from decoloured waste paper and wood pulp are pressed to 70%:30% (v/v) with slurry, each slurry is kind through flow and denseDegree mixes and delivers to paper machine stock tank after controlling before pump, and concentration reaches 3%.
The books and periodicals Cultural Paper that this routine pulping process obtains, its whiteness can reach 86 degree.
Embodiment 2
Books and periodicals Cultural Paper pulping process, comprises pulping, with slurry, specifically comprises the steps:
(1) pulping:
(a) prepare pulp from decoloured waste paper: size degradation waste paper, after scalping impurity elimination, through floatation and ink removing, remove ink particle,Through heavy seeds slag removing system and and one-level multistage fine-screening system after, enter hot decentralized system, make large ink, dirtThe size decreases of dust and gluing thing, concentration reaches 32%; Slurry after heat is disperseed enters hydrogen peroxide bleaching againTower bleaching, concentration reaches 30%; After bleaching, enter rear floatation and ink removing system, the ink ion in separating slurry;Then re-use the sodium borohydride liquid reducing bleach that accounts for slurry weight 0.25% and remove the coloring matter in slurry,Concentration reaches 10%, then treats with slurry to pulp storage tower;
(b) prepare wood pulp: be 4-5% by hydrabrusher size degradation to concentration by wood pulp piece, slurry enters and unloadsIn kiln basin, concentration reaches 3.5%, after through high concentration desanding device, slurry again after disc mill to stock tank after kowtowing,Treat with slurry;
(2) with slurry: pulp from decoloured waste paper and wood pulp to be pressed to 80%:20% (v/v) with slurry, fully mix concentrationReach 3.5%.
Embodiment 3
Books and periodicals Cultural Paper pulping process, comprises pulping, with slurry, specifically comprises the steps:
(1) pulping:
(a) prepare pulp from decoloured waste paper: size degradation waste paper, after scalping impurity elimination, through floatation and ink removing, remove ink particle,Through heavy seeds slag removing system and and one-level multistage fine-screening system after, enter hot decentralized system, make large ink, dirtThe size decreases of dust and gluing thing, concentration reaches 28%; Slurry after heat is disperseed enters hydrogen peroxide bleaching againTower bleaching, concentration reaches 30%; After bleaching, enter rear floatation and ink removing system, the ink ion in separating slurry;Then re-use the sodium borohydride liquid reducing bleach that accounts for slurry weight 0.25% and remove the coloring matter in slurry,Concentration reaches 10%, then treats with slurry to pulp storage tower;
(b) prepare wood pulp: be 4-5% by hydrabrusher size degradation to concentration by wood pulp piece, slurry enters and unloadsIn kiln basin, concentration reaches 3.5%, after through high concentration desanding device, slurry again after disc mill to stock tank after kowtowing,Treat with slurry;
(2) with slurry: pulp from decoloured waste paper and wood pulp to be pressed to 74%:26% (v/v) with slurry, fully mix concentrationReach 3.5%.
Claims (4)
1. books and periodicals Cultural Paper pulping process, comprises pulping, with slurry, it is characterized in that, specifically comprises following stepRapid:
(1) pulping:
(a) prepare pulp from decoloured waste paper: size degradation waste paper, after scalping impurity elimination, through floatation and ink removing, remove ink particle,Through heavy seeds slag removing system and and one-level multistage fine-screening system after, enter hot decentralized system, make large ink, dirtThe size decreases of dust and gluing thing, concentration reaches 28-32%; Slurry after heat is disperseed enters bleaching tower again to carry outOxidation bleaching; After bleaching, enter rear floatation and ink removing system, the ink particle in separating slurry; Reducing bleach is de-Except the coloring matter in slurry, concentration reaches 10%; Treat again with slurry to pulp storage tower;
(b) prepare wood pulp: be 4-5% by hydrabrusher size degradation to concentration by wood pulp piece, slurry enters and unloadsIn kiln basin, concentration reaches 3.5%, after through high concentration desanding device, slurry again after disc mill to stock tank after kowtowing,Treat with slurry;
(2) with slurry: pulp from decoloured waste paper and wood pulp are pressed to 70-80%:20-30% (v/v) with slurry, fully mix,Concentration reaches 3.5%.
2. books and periodicals Cultural Paper pulping process according to claim 1, is characterized in that, described oxidation is floatedThe white hydrogen peroxide bleaching that uses.
3. books and periodicals Cultural Paper pulping process according to claim 1 and 2, is characterized in that, described going backFormer bleaching is to use the sodium borohydride liquid reducing bleach that accounts for slurry weight 0.25% to remove the colored substance in slurryMatter.
4. books and periodicals Cultural Paper pulping process according to claim 3, is characterized in that, described step (a)After middle waste paper enters hot decentralized system, concentration reaches 30%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610013158.1A CN105648829A (en) | 2016-01-06 | 2016-01-06 | Book and cultural paper pulping method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610013158.1A CN105648829A (en) | 2016-01-06 | 2016-01-06 | Book and cultural paper pulping method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105648829A true CN105648829A (en) | 2016-06-08 |
Family
ID=56486922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610013158.1A Pending CN105648829A (en) | 2016-01-06 | 2016-01-06 | Book and cultural paper pulping method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105648829A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107587369A (en) * | 2017-09-20 | 2018-01-16 | 玖龙纸业（太仓）有限公司 | A kind of wastepaper classification slurrying production method and production system |
| CN110904709A (en) * | 2019-04-30 | 2020-03-24 | 玖龙纸业(天津)有限公司 | Production method of high-whiteness waste paper deinking and bleaching paper pulp |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005124016A1 (en) * | 2004-06-16 | 2005-12-29 | Kemira Oyj | Process for deinking waste paper |
| CN101457498A (en) * | 2009-01-03 | 2009-06-17 | 华泰集团有限公司 | Production process of novel textbook paper |
| CN101851872A (en) * | 2010-06-22 | 2010-10-06 | 岳阳纸业股份有限公司 | Pulping technology for deinked waste paper pulp used for making high-grade culture printing paper |
| CN102677532A (en) * | 2012-05-28 | 2012-09-19 | 东莞天龙纸业有限公司 | Process for preparing cultural paper by utilizing full-recovered pulp |
| CN104195876A (en) * | 2014-09-11 | 2014-12-10 | 岳阳林纸股份有限公司 | Environmental-friendly advertisement magazine paper and manufacturing method thereof |
-
2016
- 2016-01-06 CN CN201610013158.1A patent/CN105648829A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005124016A1 (en) * | 2004-06-16 | 2005-12-29 | Kemira Oyj | Process for deinking waste paper |
| CN101457498A (en) * | 2009-01-03 | 2009-06-17 | 华泰集团有限公司 | Production process of novel textbook paper |
| CN101851872A (en) * | 2010-06-22 | 2010-10-06 | 岳阳纸业股份有限公司 | Pulping technology for deinked waste paper pulp used for making high-grade culture printing paper |
| CN102677532A (en) * | 2012-05-28 | 2012-09-19 | 东莞天龙纸业有限公司 | Process for preparing cultural paper by utilizing full-recovered pulp |
| CN104195876A (en) * | 2014-09-11 | 2014-12-10 | 岳阳林纸股份有限公司 | Environmental-friendly advertisement magazine paper and manufacturing method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107587369A (en) * | 2017-09-20 | 2018-01-16 | 玖龙纸业（太仓）有限公司 | A kind of wastepaper classification slurrying production method and production system |
| CN110904709A (en) * | 2019-04-30 | 2020-03-24 | 玖龙纸业(天津)有限公司 | Production method of high-whiteness waste paper deinking and bleaching paper pulp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102041750B (en) | Manufacture process of all waste paper dried noodle cardboard paper | |
| CN104099793B (en) | A kind of production method of light basis weight environment-friendly type high intensity kraft boxboard | |
| CA2831570C (en) | Processes for preparing pulp and paper | |
| CN113308944B (en) | Regenerated craft paper and preparation method thereof | |
| KR101918638B1 (en) | Method for removing ink from paper | |
| CN104611983B (en) | A kind of production method of myopia prevention paper | |
| CN110904709A (en) | Production method of high-whiteness waste paper deinking and bleaching paper pulp | |
| CN105648829A (en) | Book and cultural paper pulping method | |
| CN106223097B (en) | A kind of method of high paper pulp yield deinking | |
| CN106320046A (en) | Office waste paper deinking method | |
| CN104863009B (en) | A kind of production method of light grey resisting fatigue paper | |
| JPH07507109A (en) | How to dispose of waste paper | |
| KR890000069B1 (en) | Process for preparation of waste paper | |
| CN205474578U (en) | Books and periodicals culture thick liquid system made of paper | |
| JPH08509525A (en) | Deinking method for paper printed by impact printer and non-impact printer by agglomeration method | |
| Grossmann et al. | Paper recycling | |
| US10550515B2 (en) | Method for deinking recycled paper | |
| CN110552221A (en) | wax and paper separation process for waste wax cartons and application thereof | |
| Lee et al. | Pilot scale enzymatic deinking of mixed office wastepaper and old newspaper | |
| CN102605662A (en) | Waste paper deinking method | |
| JP6713299B2 (en) | Deinking agent and method for producing deinking pulp | |
| CN105348900B (en) | A kind of biomass-based high efficient ink-removing agent and preparation method and application | |
| CN114622445A (en) | Preparation process of high-bulk white cardboard | |
| CN202830623U (en) | Treatment system for paper pulp tailings and waste white paper | |
| JP6004325B2 (en) | Method for producing waste paper deinked pulp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160608 |
|
| RJ01 | Rejection of invention patent application after publication |