CN101691700B - Pulp-grinding method for improving fibre brooming and application thereof in papermaking - Google Patents
Pulp-grinding method for improving fibre brooming and application thereof in papermaking Download PDFInfo
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- CN101691700B CN101691700B CN200910036010XA CN200910036010A CN101691700B CN 101691700 B CN101691700 B CN 101691700B CN 200910036010X A CN200910036010X A CN 200910036010XA CN 200910036010 A CN200910036010 A CN 200910036010A CN 101691700 B CN101691700 B CN 101691700B
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- fiber
- paper pulp
- brooming
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- pulp
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Abstract
The invention discloses a pulp-grinding method for improving fibre brooming, comprising the following steps: adding rigid filler to the pulp before grinding, and grinding after mixing the rigid filler and the pulp fibre, wherein the additive amount of the rigid filler accounts for 1%-30% of the total mass of the pulp; the rigid filler is any one or the mixture of several types of PCC, GCC, Talc, titanium pigment and bentonite of filler grade; and the rigid filler can also be fibrous mineral fibre. The adoption of the pulp-grinding method can improve devillicate brooming degree of the fibre, improve paper strength and interweaving, or can improve the ash content of paper and reduce fibre consumption under the condition of maintaining a considerable paper strength, and can reduce production cost and reduce the grinding energy consumption while protecting the environment.
Description
Technical field
The invention belongs to the pulp and paper technology field, specifically a kind ofly promote the grinding method of fiber brooming and the application in papermaking thereof.
Background technology
The paper pulp fiber wire-dividing broom purification helps improving into the intensity of paper and interweaving, and the wire-dividing broom purification of fiber is mainly pulled an oar through equipment and accomplished at present.Existing beating equipment mainly contains: hollander, double plate mill, conical refiner, cylinder jordan etc., and all there are many restrictive conditions in these beating equipments: (1) cutterhead type selecting; (2) concentration of making beating; (3) mill types etc.These conditions make that improving fiber wire-dividing broom purification situation becomes comparatively difficult.
Summary of the invention
The object of the present invention is to provide a kind of the promote grinding method of fiber brooming and the application in papermaking thereof.Simple, the safety of this method, utilize this method defibrination after fiber under the suitable prerequisite of quality, becoming paper ash to divide can significantly improve; Or can under the suitable condition of ash content, promote into paper product matter.
The objective of the invention is to realize through following technical scheme:
A kind of grinding method that promotes fiber brooming is characterized in that this method is: add hard grinding aid (Filler) at defibrination forward direction paper pulp, mix the back defibrination with paper pulp fiber at the hard grinding aid; The addition of hard grinding aid accounts for the 1%-30% of paper pulp gross mass; Any or several kinds of mixtures in the PCC (winnofil) that said hard grinding aid is the filler level, GCC (grinding calcium carbonate), Talc (talcum powder), titanium white powder, the bentonite.
A kind of grinding method that promotes fiber brooming is characterized in that this method is: add the hard grinding aid at defibrination forward direction paper pulp, mix the back defibrination with paper pulp fiber at the hard grinding aid; The addition of hard grinding aid accounts for the 1%-30% of paper pulp gross mass; Said hard grinding aid is fibrous mineral substance fiber.
Said mineral substance fiber is the mixture of any or several kinds in the molten fiber that dissolves behind the spray silk of glass fibre, ceramic fibre, mineral fibres, flyash.
Paper pulp described in the present invention is for by softwood, broadleaf, cotton, fiber crops, dogstail or agriculture and forestry organic waste material being the mixture of any or several kinds in the paper pulp that makes of raw material.
A kind of application of grinding method in papermaking that promotes fiber brooming.To be applied in the papermaking as paper making pulp by the slurry that the grinding method that promotes fiber brooming makes.
The present invention adds the hard grinding aid in slurry defibrination process, utilize the friction effect between grinding aid and the fiber, promotes the brooming of fiber, promotes fibre strength,
Grinding method of the present invention has promoted fiber brooming effect.This method need not change any parameter condition of existing beating equipment, only needs in the defibrination process, to add the hard grinding aid, utilizes the rubbing action between grinding aid and the fiber, promotes the brooming of fiber, thereby promotes fibre strength.
This method can be improved the fiber refining effect, increases fiber brooming, promotes fibre strength.
The novel grinding method of paper grade (stock) of the present invention is in the application of paper making wet part.The used Filler of defibrination adds before defibrination, and it is mixed the back defibrination with paper pulp fiber, and its consumption is with respect to the 1%-30% of paper pulp oven dry stock.Adopt defibrination mode of the present invention, can when keeping paper strength, effectively promote into the content of ashes in the paper; Or can under the suitable condition of ash content, promote into the quality of paper.
The specific embodiment
Below enumerate embodiment the present invention more specifically is described, and the invention is not restricted to following examples.
Embodiment 1
Prepare two parts of identical slurry appearance, the hard grinding aid is PCC.First part is not added the Filler defibrination, and second part adds PCC by a certain percentage before defibrination, then with slurry appearance in fiber mixing after defibrination; Slurry appearance with behind two parts of defibrinations is processed handsheet under the same conditions, detects its rerum natura.The result sees the following form:
Table one
| Test event | First part | Second part |
| Basic weight g/m 2 | 64.9 | 64.5 |
| Tear index (mN.m2/g) | 5.44 | 6.08 |
| Rupture index (kpa.m2/g) | 2.02 | 2.42 |
| Tensile strength (kg/15mm) | 3.44 | 3.89 |
| Cohesive force (kg.cm) | 1.6 | 1.98 |
Behind the PCC defibrination, pulp strength has clear improvement: rupture index increases by 19.8%; Cohesive force increases by 23.75%
Embodiment 2:
The pilot scale of on-the-spot paper machine, the hard grinding aid is PCC.Before slurry gets into mill, PCC is mixed with slurry with certain proportion, mix grinding together then relatively adds one-tenth paper rerum natura variation before and after the Filler defibrination, and data are following:
Table two
| Test event | Before the Filler defibrination | During the Filler defibrination |
| Basic weight g/m 2 | 73.5 | 73.7 |
| Rupture index (kpa.m2/g) | 2.16 | 2.39 |
| Tensile strength MD (kg/15mm) | 75.3 | 77.3 |
| Tensile strength CD (kg/15mm) | 22.8 | 22.3 |
| Cohesive force (kg.cm) | 1.61 | 1.62 |
| Ash Lab (%) | 12.96 | 14.58 |
When carrying out the Filler defibrination, quite, promote about 1.5% before and after paper strength and the Filler defibrination but become paper ash to divide.
Embodiment 3
Concrete experimental procedure is with embodiment 1, and the hard grinding aid is a glass fibre.Replace PCC and fiber mixing defibrination with glass fibre, two parts of slurry appearance rerum naturas are relatively like following table:
Table three
| Test event | First part | Second part |
| Basic weight g/m 2 | 64.8 | 64.2 |
| Tear index (mN.m2/g) | 6.3 | 6.1 |
| Rupture index (kpa.m2/g) | 3.0 | 3.1 |
| Tensile strength (kg/15mm) | 49.0 | 55.0 |
| Cohesive force (kg.cm) | 1.97 | 2.31 |
Behind the glass fibre mixing defibrination, pulp strength has clear improvement: tensile strength increases by 12.2%; Cohesive force increases by 17.26%
Embodiment 4
Concrete experimental procedure is with embodiment 1, and the hard grinding aid is a mineral fibres, wherein replaces PCC and fiber mixing defibrination with mineral fibres, and two parts of slurry appearance rerum naturas are relatively like following table:
Table three
| Test event | First part | Second part |
| Basic weight g/m 2 | 64.8 | 64.3 |
| Tear index (mN.m2/g) | 6.3 | 6.3 |
| Rupture index (kpa.m2/g) | 3.0 | 3.4 |
| Tensile strength (kg/15mm) | 49.0 | 56.0 |
| Cohesive force (kg.cm) | 1.97 | 2.65 |
Behind the glass fibre mixing defibrination, pulp strength has obviously more not mix grinding slurry appearance be significantly increased: tensile strength increases by 14.3%; Cohesive force increases by 34.52%
The slurry that will be made by the grinding method of above-mentioned promotion fiber brooming is applied in the papermaking as paper making pulp.
Claims (6)
1. a grinding method that promotes fiber brooming is characterized in that this method is: add the hard grinding aid at defibrination forward direction paper pulp, mix the back defibrination with paper pulp fiber at the hard grinding aid; The addition of hard grinding aid accounts for the 1%-30% of paper pulp gross mass; Any or several kinds of mixtures in the winnofil that said hard grinding aid is the filler level, grinding calcium carbonate, talcum powder titanium white powder, the bentonite.
2. a kind of grinding method that promotes fiber brooming according to claim 1 is characterized in that: said paper pulp is for by softwood, broadleaf, cotton, fiber crops, dogstail or agriculture and forestry organic waste material being the mixture of any or several kinds in the paper pulp that makes of raw material.
3. a grinding method that promotes fiber brooming is characterized in that this method is: add the hard grinding aid at defibrination forward direction paper pulp, mix the back defibrination with paper pulp fiber at the hard grinding aid; The addition of hard grinding aid accounts for the 1%-30% of paper pulp gross mass; Said hard grinding aid is fibrous mineral substance fiber.
4. a kind of grinding method that promotes fiber brooming according to claim 3 is characterized in that: said mineral substance fiber is the mixture of any or several kinds in the molten fiber that dissolves behind the spray silk of glass fibre, ceramic fibre, mineral fibres, flyash.
5. a kind of grinding method that promotes fiber brooming according to claim 3 is characterized in that: said paper pulp is for by softwood, broadleaf, cotton, fiber crops, dogstail or agriculture and forestry organic waste material being the mixture of any or several kinds in the paper pulp that makes of raw material.
6. the application of grinding method in papermaking of claim 1 or 3 described promotion fiber brooming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910036010XA CN101691700B (en) | 2009-10-15 | 2009-10-15 | Pulp-grinding method for improving fibre brooming and application thereof in papermaking |
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|---|---|---|---|
| CN200910036010XA CN101691700B (en) | 2009-10-15 | 2009-10-15 | Pulp-grinding method for improving fibre brooming and application thereof in papermaking |
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| Publication Number | Publication Date |
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| CN101691700A CN101691700A (en) | 2010-04-07 |
| CN101691700B true CN101691700B (en) | 2012-05-23 |
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| CN102720087B (en) * | 2012-06-15 | 2016-05-11 | 金东纸业（江苏）股份有限公司 | The preparation method of slurry, slurry and the paper being made by it |
| US9879361B2 (en) * | 2012-08-24 | 2018-01-30 | Domtar Paper Company, Llc | Surface enhanced pulp fibers, methods of making surface enhanced pulp fibers, products incorporating surface enhanced pulp fibers, and methods of making products incorporating surface enhanced pulp fibers |
| CN103362012B (en) * | 2013-07-12 | 2015-06-10 | 海南金海浆纸业有限公司 | Fiber and filler mixed enzymatic defibrination method |
| MX2016010821A (en) | 2014-02-21 | 2017-05-09 | Domtar Paper Co Llc | Surface enhanced pulp fibers in fiber cement. |
| AU2015218818B2 (en) | 2014-02-21 | 2017-07-06 | Domtar Paper Company Llc | Surface enhanced pulp fibers at a substrate surface |
| CN103938475A (en) * | 2014-04-29 | 2014-07-23 | 陕西科技大学 | Method for improving optical performance of paper through composite structure of stuffing and fiber |
| CN105421131B (en) * | 2015-10-30 | 2017-05-10 | 重庆市南川区金鑫纸业有限公司 | Pulping method for inner core layer of paper pulp |
| US11473245B2 (en) | 2016-08-01 | 2022-10-18 | Domtar Paper Company Llc | Surface enhanced pulp fibers at a substrate surface |
| CA3041057A1 (en) | 2016-10-18 | 2018-04-26 | Domtar Paper Company, Llc | Method for production of filler loaded surface enhanced pulp fibers |
| CA3088962A1 (en) | 2018-02-05 | 2019-08-08 | Harshad PANDE | Paper products and pulps with surface enhanced pulp fibers and increased absorbency, and methods of making same |
| CN109518505B (en) * | 2018-12-17 | 2020-08-18 | 东莞顺裕纸业有限公司 | Corrugated medium paper production method for improving fiber utilization rate by using waste paper for pulping |
| CA3134990A1 (en) | 2019-03-26 | 2020-10-01 | Domtar Paper Company, Llc | Paper products subjected to a surface treatment comprising enzyme-treated surface enhanced pulp fibers and methods of making the same |
| CN110528272B (en) * | 2019-09-16 | 2021-09-17 | 武汉纺织大学 | Polyimide fiber fibrillation treatment method |
| CN110904720B (en) * | 2019-11-14 | 2022-03-11 | 东莞顺裕纸业有限公司 | Method for reconstructing corrugated paper by using waste paper and improving pulp grinding |
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| CN1034597A (en) * | 1987-12-14 | 1989-08-09 | 潍坊造纸总厂 | A kind of high filler paper technology of making fibrous raw material with grass, wood pulp |
| US6042936A (en) * | 1997-09-23 | 2000-03-28 | Fibermark, Inc. | Microsphere containing circuit board paper |
| US6251222B1 (en) * | 1995-06-29 | 2001-06-26 | Metsa-Serla | Filler for use in paper manufacture and procedure for producing a filler |
| CN1580391A (en) * | 2004-05-18 | 2005-02-16 | 华东理工大学 | Flyash fiber pulp and papermaking method using same as raw material |
| CN1580396A (en) * | 2004-04-27 | 2005-02-16 | 广东冠豪高新技术股份有限公司 | Anticounterfeit fiber carbor-free copy paper and its production method |
| CN1924189A (en) * | 2006-09-14 | 2007-03-07 | 广西大学 | Method of producing base paper for foodstuff packaging from high proportion bagasse pulp |
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2009
- 2009-10-15 CN CN200910036010XA patent/CN101691700B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1034597A (en) * | 1987-12-14 | 1989-08-09 | 潍坊造纸总厂 | A kind of high filler paper technology of making fibrous raw material with grass, wood pulp |
| US6251222B1 (en) * | 1995-06-29 | 2001-06-26 | Metsa-Serla | Filler for use in paper manufacture and procedure for producing a filler |
| US6042936A (en) * | 1997-09-23 | 2000-03-28 | Fibermark, Inc. | Microsphere containing circuit board paper |
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| CN1924189A (en) * | 2006-09-14 | 2007-03-07 | 广西大学 | Method of producing base paper for foodstuff packaging from high proportion bagasse pulp |
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