CN102242522B - Device used for bidirectional combined papermaking enhancing process - Google Patents
Device used for bidirectional combined papermaking enhancing process Download PDFInfo
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- CN102242522B CN102242522B CN2011101877178A CN201110187717A CN102242522B CN 102242522 B CN102242522 B CN 102242522B CN 2011101877178 A CN2011101877178 A CN 2011101877178A CN 201110187717 A CN201110187717 A CN 201110187717A CN 102242522 B CN102242522 B CN 102242522B
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- feed bin
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Abstract
The invention relates to a papermaking device, and in particular relates to a device used for a bidirectional combined papermaking enhancing process. The device comprises a pulp preparing pool, a high-concentration overhead box, a pulp rushing pool, a sand remover, a low-concentration overhead box, a rotary wing sieve and a pulp draining machine, wherein an enhancing modifier feeding bin is connected to the front end of the pulp preparing pool; the rear end of the pulp preparing pool is connected to the high-concentration overhead box through a material pump; the high-concentration overhead box is connected to the pulp rushing pool; the pulp rushing pool is connected to the sand remover through a material pump; the sand remover is connected to the low-concentration overhead box; the low-concentration overhead box is connected to the rotary wing sieve; an outlet pipeline of the rotary wing sieve is connected to a retention aiding modifier feeding bin; and the rear end of the rotary wing sieve is connected to the pulp draining machine. A preparing method with the help of the device provided by the invention is easily and simply operated and is realized by adding lower cost on the basis of original production process. The quality of product is stable and the enhancing effect is excellent.
Description
Present patent application is dividing an application of application for a patent for invention (application number: 201010141752.1, on 04 07th, 2010 applying date, invention and created name: a kind of dual-direction combination-type papermaking enhancing process and device).
Technical field
The present invention relates to machine hand's skill, relate in particular to a kind of dual-direction combination-type papermaking enhancing process and the employed device of this technology.
Background technology
Paper is in printing process, and paper contacts with printing ink and bears certain contact pressure, and under this pressure, printing ink produces sticking pulling force and peeling force to the surface of paper, and this pulling force and peeling force increase with the quickening of print speed printing speed.Some are low quantitatively, height adds the thin page or leaf speciality paper of filling out, and page is thin, filler becomes deal big, and the surface strength of its paper is generally relatively poor; Paper just causes printing troubles such as dry linting, plucking easily during printing; In addition, because paper is influenced by wet end dehydration and cylinder dried in the process of manufacturing paper with pulp; Paper has two property to the infiltration of printing ink, makes that the printing quality of two in printed matter is inconsistent.All be employed in general in the past the production and add the reinforcing agent of cationic starch in the slurry separately as slurry; Add the retention that the PAM retention agent improves filler separately copying paper system; But above-mentioned way; Quantitatively low, height adds under the situation of filling out, and still can't protect and satisfy requirement of strength and the printing performance requirement of typography to thin page or leaf speciality paper.Quantitatively low, height adds under the situation of filling out, and keeps page strength character and higher filler retention preferably, is the more scabrous problem of thin page or leaf speciality paper production.
Summary of the invention
In order to solve the technical problem of above-mentioned existence; First purpose of the present invention provides a kind of dual-direction combination-type papermaking enhancing process; This technology improves the internal bond strength of fiber; Improve the retention rate of filler and fiber fines, improved two property of paper, prevented the fault of paper hair and powder dropping, printing two complexion differences in printing process.Second purpose of the present invention provides the employed device of above-mentioned technology.The 3rd purpose of the present invention provides the thin page or leaf speciality paper that adopts the machine hand's skill comprise above-mentioned technology to obtain.
In order to realize first above-mentioned purpose, the technical scheme below the present invention has adopted:
A kind of dual-direction combination-type papermaking enhancing process; Combination reinforced modifier in this technology adds in the slurry in flow apperach; Net forming goes to add to help in the slurry and stays modifier on slurry dilution back; Combine reinforced modifier to comprise cationic starch, oligomeric modified polyacrylamide and water in described, the weight ratio of oligomeric modified polyacrylamide and cationic starch is 1:7～1:15; The described composition that stays modifier that helps comprises that polymine, height gather modified polyacrylamide and water, and the weight ratio that height gathers polyacrylamide and polymine is 1:1～1:15.
As preferably, above-mentioned interior combination reinforced modifier with help the solid content that stays modifier with respect to 1%～15% of paper weight, preferred as again, combine reinforced modifier and help the solid content that stays modifier in described with respect to 5%～15% of paper weight.
As preferably, the addition of above-mentioned interior combination reinforced modifier is 60%～70%, and helping the addition of staying modifier is 30%～40%, in interior combination reinforced modifier with help that to stay the modifier total amount be 100%.
As preferably, the above-mentioned oligomeric modified polyacrylamide and the weight ratio of cationic starch are 1:10～1:14.
As preferably, described oligomeric modified polyacrylamide is cation-modified polyacrylamide, and the degree of polymerization is 150,000～250,000.
As preferably, the weight ratio that above-mentioned height gathers polyacrylamide and polymine is 1:3～1:8.
As preferably, it is cation-modified polyacrylamide that described height gathers modified polyacrylamide, and the degree of polymerization is 1,000 ten thousand～1,200 ten thousand.
In order to realize second above-mentioned purpose, the technical scheme below the present invention has adopted:
A kind of device that is used for dual-direction combination-type papermaking enhancing process; This device comprise join stock tank, high dense header box, towards stock tank, desander, low dense header box, rotation wing sieve and slurry flowing machine, join the stock tank front end and combine reinforced modifier to add feed bin in being connected with, join the stock tank rear end and connect high dense header box through the material pump; High dense header box connects towards stock tank; Connect desander towards stock tank through the material pump, desander connects low dense header box, and low dense header box connects rotation wing sieve; Be connected with to help on the outlet conduit of rotation wing sieve and stay modifier to add feed bin, the rear end of rotation wing sieve connects slurry flowing machine.
As preferably, above-mentioned interior combination reinforced modifier is added feed bin and is made up of cationic starch feed bin and oligomeric modified polyacrylamide feed bin.
In order to realize the 3rd above-mentioned purpose, the present invention also provides a kind of thin page or leaf speciality paper, and machine hand's skill of this speciality paper comprises above-mentioned any described dual-direction combination-type papermaking enhancing process of technical scheme.
In flow apperach, apply and positively increase the strong system of doing from what modified starch+PAM combined; Add the combine retention system that helps of type of PEI+modification PAM at the paper machine making wet end; The purpose that adopts two individual system and usefulness is not only to improve the internal bond strength of fiber; With the retention rate that advances to improve filler and fiber fines, improve two property of paper, prevent the fault of paper hair and powder dropping, printing two complexion differences in printing process.Preparation method of the present invention is simple, in original production process, increases lower cost and can realize that constant product quality promotes remarkably productive.
Description of drawings
Fig. 1 is an apparatus structure sketch map of the present invention.
The specific embodiment
Be described further in the time of will combining specific embodiment and accompanying drawing to this below, but be not limited to embodiment.
Embodiment 1
Raw material:
A), cationic starch 6kg
Water 130kg
B), low poly-cationic modification PAM 0.5kg
Water 500kg
C), high polycation modification PAM 0.3kg
Polymine 1.5kg
Water 180kg.
Concrete preparation and method for using:
A): with cationic starch 6Kg, be dissolved in the 50Kg water, dispersed with stirring is even, is warmed to 80 ℃～90 ℃, and gelatinization is 20 minutes under this temperature, and thin up continues to stir further dissolving and processes solution to 80Kg.
B): with 0.5Kg low poly-cationic modification PAM, spray in 500Kg water, continue to stir further dissolving and process molten night with injector.
C), with the high polycation modification of 0.3Kg PAM, join in the 1.5Kg polymine, after stirring, be dissolved in the 180Kg water, continue to stir further dissolving and process solution.
Consumption: above-mentioned interior combination reinforced modifier with help the solid content that stays modifier with respect to 5% of paper weight; The addition of interior combination reinforced modifier is 60%; Helping the addition of staying modifier is 40%, in interior combination reinforced modifier with help that to stay the modifier total amount be 100%.In combine reinforced modifier and help the concentration of staying modifier according to the concentration of adding slurry and decide.
In joining stock tank, earlier above-mentioned A solution is added in the underflow, add B solution after stirring again, treat that slurry and modifier further stir after, pumping paper machine making system.In the diluted slurry before paper machine making system rotation wing sieve outlet adds online with C solution, last net forming.
Embodiment 2
Raw material:
A), cationic starch 10kg
Water 170kg
B), low poly-cationic modification PAM 0.7kg
Water 700kg
C), high polycation modification PAM 0.5kg
Polymine 1.2kg
Water 180kg.
Concrete preparation and method for using:
A): with cationic starch 10Kg, be dissolved in the 70Kg water, dispersed with stirring is even, is warmed to 80-90 ℃, and gelatinization is 20 minutes under this temperature, and thin up continues to stir further dissolving and processes solution to 100Kg.
B): the 0.7Kg low poly-cationic is changed PAM, spray in 700Kg water, continue to stir further dissolving and process molten night with injector.
C), with the high polycation modification of 0.5Kg PAM, join in the 1.2Kg polymine, after stirring, be dissolved in the 180Kg water, continue to stir further dissolving and process solution.
Consumption: above-mentioned interior combination reinforced modifier with help the solid content that stays modifier with respect to 12% of paper weight; The addition of interior combination reinforced modifier is 70%; Helping the addition of staying modifier is 30%, in interior combination reinforced modifier with help that to stay the modifier total amount be 100%.In combine reinforced modifier and help the concentration of staying modifier according to the concentration of adding slurry and decide.
In joining stock tank, earlier above-mentioned A solution is added in the underflow, add B solution after stirring again, treat that slurry and modifier further stir after, pumping paper machine making system.In the diluted slurry before paper machine making system rotation wing sieve outlet adds online with C solution, last net forming.
A kind of device that is used for dual-direction combination-type papermaking enhancing process; This device comprise join stock tank 3, high dense header box 4, towards stock tank 5, desander 6, low dense header box 7, rotation wing sieve 8 and slurry flowing machine 9; Join stock tank 3 front ends and be connected with the interior reinforced modifier interpolation feed bin that combines, interior combination reinforced modifier is added feed bin and is made up of cationic starch feed bin 2 and oligomeric modified polyacrylamide feed bin 1.Join stock tank 3 rear ends and connect high dense header box 4 through the material pump; High dense header box 4 connects towards stock tank 5; Connect desander 6 towards stock tank 5 through the material pump, desander 6 connects low dense header box 7, and low dense header box 7 connects rotation wing sieve 8; Be connected with to help on the outlet conduit of rotation wing sieve 8 and stay modifier to add feed bin 10, the rear end of rotation wing sieve 8 connects slurry flowing machine 9.A among embodiment 1, the embodiment 2) solution, B) solution is respectively by cationic starch feed bin 2 and 1 adding of oligomeric modified polyacrylamide feed bin, and C) solution stays modifier to add feed bin 10 addings by helping.
Test Example 1
Embodiment 1 described technology is copied the effect assessment of the paper that gets made of paper
| ? | NO1 | NO2 |
| Paper strength | 1．82 | 2．3 |
| Keep effect | 82.64 | 91.4 |
NO1: join stock tank and apply cationic starch, rotation wing sieve applies PAM
NO2: join slurry and apply cationic starch and low poly-cationic modification PAM system, rotation wing sieve applies PEI and high polycation modification PAM system.
Test condition: 23 ℃ of temperature, humidity 51.5%, Substance 32g/m
2
Claims (2)
1. device that is used for dual-direction combination-type papermaking enhancing process; It is characterized in that: this device comprise join stock tank (3), high dense header box (4), towards stock tank (5), desander (6), low dense header box (7), rotation wing sieve (8) and slurry flowing machine (9); Join stock tank (3) front end and be connected with the interior reinforced modifier interpolation feed bin that combines; Join stock tank (3) rear end and connect high dense header box (4) through the material pump, high dense header box (4) connects towards stock tank (5), connects desander (6) towards stock tank (5) through the material pump; Desander (6) connects low dense header box (7); Low dense header box (7) connects rotation wing sieve (8), is connected with on the outlet conduit of rotation wing sieve (8) to help to stay modifier to add feed bin (10), and the rear end of rotation wing sieve (8) connects slurry flowing machine (9).
2. the device that is used for dual-direction combination-type papermaking enhancing process according to claim 1 is characterized in that: interior combination reinforced modifier is added feed bin and is made up of cationic starch feed bin (2) and oligomeric modified polyacrylamide feed bin (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101877178A CN102242522B (en) | 2010-04-07 | 2010-04-07 | Device used for bidirectional combined papermaking enhancing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101877178A CN102242522B (en) | 2010-04-07 | 2010-04-07 | Device used for bidirectional combined papermaking enhancing process |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101417521A Division CN101806017B (en) | 2010-04-07 | 2010-04-07 | Dual-direction combination-type papermaking enhancing process and device |
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| Publication Number | Publication Date |
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| CN102242522A CN102242522A (en) | 2011-11-16 |
| CN102242522B true CN102242522B (en) | 2012-07-25 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4181567A (en) * | 1975-07-17 | 1980-01-01 | Martin Clark Riddell | Paper manufacture employing filler and acrylamide polymer conglomerates |
| EP1475476A1 (en) * | 2003-05-05 | 2004-11-10 | German Vergara Lopez | Process for improving retention and drainage in the manufacturing of paper, paperboard, cardboard |
| CN101225615A (en) * | 2008-01-04 | 2008-07-23 | 广东轻工职业技术学院 | Method for producing low basis weight newsprint by 100 percent deinking waste pulp added with retention and drainage agent |
| CN101634120A (en) * | 2009-08-25 | 2010-01-27 | 陕西科技大学 | Method for improving performance of paper stock in retention and drainage aiding |
| CN201686896U (en) * | 2010-04-07 | 2010-12-29 | 浙江凯恩特种材料股份有限公司 | Device for bidirectional combined papermaking enhancing process |
-
2010
- 2010-04-07 CN CN2011101877178A patent/CN102242522B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4181567A (en) * | 1975-07-17 | 1980-01-01 | Martin Clark Riddell | Paper manufacture employing filler and acrylamide polymer conglomerates |
| EP1475476A1 (en) * | 2003-05-05 | 2004-11-10 | German Vergara Lopez | Process for improving retention and drainage in the manufacturing of paper, paperboard, cardboard |
| CN101225615A (en) * | 2008-01-04 | 2008-07-23 | 广东轻工职业技术学院 | Method for producing low basis weight newsprint by 100 percent deinking waste pulp added with retention and drainage agent |
| CN101634120A (en) * | 2009-08-25 | 2010-01-27 | 陕西科技大学 | Method for improving performance of paper stock in retention and drainage aiding |
| CN201686896U (en) * | 2010-04-07 | 2010-12-29 | 浙江凯恩特种材料股份有限公司 | Device for bidirectional combined papermaking enhancing process |
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|---|---|
| CN102242522A (en) | 2011-11-16 |
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Effective date of registration: 20151016 Address after: 324400 No. 30 Jinxing Avenue, Longyou Industrial Park, Zhejiang Province Patentee after: ZHEJIANG KAIFENG NEW MATERIAL CO., LTD. Address before: 324400 Zhejiang Province, Quzhou city Longyou County Industrial Park (North) Zhejiang Kaifeng Paper Co. Ltd. Patentee before: Zhejiang Kaifeng Paper Industry Co., Ltd. Patentee before: Kaien Special Materials Co., Ltd., Zhejiang |