CN104005250B - The minimizing technology of starch chaff interference in a kind of OCC raw material mthod of white water from paper making - Google Patents
The minimizing technology of starch chaff interference in a kind of OCC raw material mthod of white water from paper making Download PDFInfo
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- CN104005250B CN104005250B CN201310059308.9A CN201310059308A CN104005250B CN 104005250 B CN104005250 B CN 104005250B CN 201310059308 A CN201310059308 A CN 201310059308A CN 104005250 B CN104005250 B CN 104005250B
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Abstract
The invention belongs to field of papermaking, be specifically related to the minimizing technology of starch chaff interference in a kind of OCC raw material mthod of white water from paper making.Containing 4～the starch enhancer of 6% in OCC raw material, dissolving is entered in water by the starch being attached to fiber surface at pulping process and paper stock online forward part, become topmost water soluble anion chaff interference in wet end, even if plain boiled water is filtered by multi-disc type filter, its super clear water is also not used to clean net blanket.Starch chaff interference minimizing technology involved in the present invention, utilizes the macromolecule chaff interference in enzyme price reduction mthod of white water from paper making, eliminates macromolecule starch chaff interference and block forming net or press felt during white water recycling, substitute clear water.The method have the characteristics that the starch polymer in enzyme enzymolysis mthod of white water from paper making, eliminate starch chaff interference in plain boiled water and, to water quality impact, substitute clear water for paper making forming net and the cleaning of press felt.Starch chaff interference minimizing technology in OCC raw material mthod of white water from paper making provided by the present invention, simple and practical, can be applicable to OCC raw material papermaking enterprise to the control of starch based anionic species, clean paper making in plain boiled water.
Description
One, technical field:
The invention belongs to field of papermaking, be specifically related to the minimizing technology of chaff interference in a kind of OCC raw material mthod of white water from paper making.
Two, background technology:
Paper making process plain boiled water constituent is complicated, and COD load is high, and reuse and intractability are big, and always puzzlement is made
Paper industry cleaning produces and a difficult problem for energy-saving and emission-reduction.Producing the paper pulp fiber of wrapping paper and cardboard, almost all is OCC raw material,
Increasing along with waste paper recycles number of times, the quality of reclaimed fibre raw material is constantly declining.Starch is hydrophilic natural macromolecule,
Starch and modified starch are with its wide material sources, cheap, are the paper making intensifiers of papermaking enterprise consumption maximum.
But, during the boxboard with OCC as paper making raw material and production of fluting base paper, it is attached to fiber or paper surface
Starch, because of the characteristic that it is hydrophilic, soak for a long time and mechanical friction, considerable part starch by dissolvings entrance process water,
Become anionic species rubbish.Due to the reuse repeatedly of process water, in process water, the amount of starch is in constantly accumulation, inaction consume sun from
Subfunction auxiliary agent, blocks felt space, affects mthod of white water from paper making circulating and recovering.It addition, starch circulates in plain boiled water and accumulates,
Easily cause the breeding of microorganism, deteriorate plain boiled water water quality further and cause paper defects.
At present, the control method that papermaking enterprise is commonly used is Gaoyang charge density low-molecular weight polymer or poly-electricity Jie
Matter, by Electrostatic Absorption and be transferred out wet end.But, for completely with OCC for paper making raw material produce boxboard and
The system of fluting medium, owing to employing substantial amounts of starch during boxboard and production of fluting base paper as reinforcing agent, and this
Kind of starch enhancer typically uses the method for enzymolysis to prepare, substantially without electrically, even if having the negative charge of trace also easily with
Calcium ions and magnesium ions in water combines and loses electrically.Therefore, use conventional method to be difficult to prove effective, need to be continuously replenished fresh water with
The cleaning of maintenance system.
Starch is made up of with amylopectin amylose, and α-amylase can effectively be cut off α-Isosorbide-5-Nitrae glycosidic bond and connect straight chain
Starch becomes glucose, and saccharifying enzyme can cut off α-1, and the amylopectin that 6 glycosidic bonds connect becomes glucose.Mthod of white water from paper making utilizes and forms sediment
The characteristic that powder enzyme is the most single-minded, can effectively get rid of starch accumulation in process water, eliminates the obstruction to felt space,
Make mthod of white water from paper making circulating and recovering more.
The original intention of the present invention is to utilize α-amylase and saccharifying enzyme coordinated enzymatic hydrolysis starch to become glucose, eliminates in plain boiled water and forms sediment
The harm to net blanket, production process and product quality of the powder class chaff interference, for papermaking enterprise to starch based anionic species in plain boiled water
Control, clean paper making technology is applied, it is provided that a kind of method.
Three, summary of the invention:
It is contemplated that utilize the starch in amylase enzymolysis plain boiled water to become glucose, eliminate out multi-disc type filter super clear
Macromolecule starch in plain boiled water, substitutes clear water for paper making forming net and the cleaning of press felt.
The present invention specifically includes following steps:
(1) plain boiled water filters through multi-disc type filter, isolates solid content.
(2) go out the super pure water of multi-disc type filter, be warmed up to 50～65 DEG C, add amylase and process 1～2hr.
It is an advantage of the current invention that:
Propose a kind of starch utilized in amylase enzymolysis mthod of white water from paper making and become reducing sugar, eliminate starch based in plain boiled water
Chaff interference, it is achieved super pure water is used for paper making forming net and the cleaning of press felt, compared with the application of current super pure water, this
Bright have the advantage that
(1) the super pure water after amylase processes can substitute clear water completely, reduces ton paper fresh water consumption.
(2) amylase in super clear water is remained in, it is not necessary to carry out inactivation treatment.
(3) minimizing technology of starch chaff interference in the OCC raw material mthod of white water from paper making of the present invention, only need to increase a cistern,
Technological process is simple.
Four, detailed description of the invention
Example 1: in paper machine white water, solid content separates, and its step is as follows:
(1) remained plain boiled water by paper machine, filter through multi-disc type filter；
(2) the super pure current excess of imports clear water collecting-tank of multi-disc type filter is gone out.
Example 2: amylorrhexis in mthod of white water from paper making, step is as follows:
(1) super pure water is warmed up to 50～65 DEG C；
(2) add in super pure water amount of starch 0.01～0.001% amylase carry out enzymolysis 1～2h, enzymolysis terminates；
(3) the super pure water after enzymolysis is used for paper machine screen cloth and press felt rinse water.
Claims (1)
1. the minimizing technology of starch chaff interference in an OCC raw material mthod of white water from paper making, it is characterised in that comprise the following steps:
1) paper machine residue plain boiled water, filters through multi-disc type filter, isolates solid content, go out the super pure current of multi-disc type filter
Excess of imports clear water collecting-tank；
2) super pure water is warmed up to 50～65 DEG C, amount of starch 0.01～the amylase of 0.001%, enzymolysis 1～2h；
3) the super pure water after enzymolysis is used for paper machine forming net and the rinse water of press felt.
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| CN201310059308.9A CN104005250B (en) | 2013-02-26 | 2013-02-26 | The minimizing technology of starch chaff interference in a kind of OCC raw material mthod of white water from paper making |
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| CN201310059308.9A CN104005250B (en) | 2013-02-26 | 2013-02-26 | The minimizing technology of starch chaff interference in a kind of OCC raw material mthod of white water from paper making |
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| CN104005250B true CN104005250B (en) | 2016-12-28 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106012642A (en) * | 2016-06-29 | 2016-10-12 | 南京林业大学 | Comprehensive utilization method of OCC paper pulp raw material papermaking white water |
| CN112064416A (en) * | 2020-09-04 | 2020-12-11 | 江苏好健康新材料有限公司 | Multifunctional kitchen odor-removing dust-free paper and manufacturing method thereof |
| CN112301780A (en) * | 2020-09-18 | 2021-02-02 | 江苏理文造纸有限公司 | Anionic garbage control process for papermaking system |
| CN114105402A (en) * | 2021-10-22 | 2022-03-01 | 江苏理文造纸有限公司 | Papermaking white water anion garbage control process |
| CN115772821A (en) * | 2022-12-05 | 2023-03-10 | 天津科技大学 | Method for recycling secondary starch in waste paper pulping white water and application |
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| CN101838945A (en) * | 2010-06-23 | 2010-09-22 | 永州湘江纸业有限责任公司 | Papermaking wastewater recycling method |
| CN202705779U (en) * | 2012-05-29 | 2013-01-30 | 汕头市金平区飘合纸业有限公司 | White water recycling and separating device of paper machine |
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| JPH1076277A (en) * | 1996-09-04 | 1998-03-24 | Lion Corp | Chemical composition for water treatment and water treatment method using the same |
| US20110029999A1 (en) * | 2009-07-29 | 2011-02-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Policies transfer for session transfer |
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Patent Citations (2)
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| CN101838945A (en) * | 2010-06-23 | 2010-09-22 | 永州湘江纸业有限责任公司 | Papermaking wastewater recycling method |
| CN202705779U (en) * | 2012-05-29 | 2013-01-30 | 汕头市金平区飘合纸业有限公司 | White water recycling and separating device of paper machine |
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Effective date of registration: 20180514 Address after: 223600 the northern side of Yinshan Road, the eastern side of the sponge plant in Shuyang County, Suqian, Jiangsu. Patentee after: Jiangsu Ningshu Paper Industry Co., Ltd. Address before: No. 159, dragon pan Road, Xuanwu District, Nanjing, Jiangsu Patentee before: Nanjing Forestry University |
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