CN101694077A - Method for producing paper towel by wet corrugating method - Google Patents
Method for producing paper towel by wet corrugating method Download PDFInfo
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- CN101694077A CN101694077A CN200910153585A CN200910153585A CN101694077A CN 101694077 A CN101694077 A CN 101694077A CN 200910153585 A CN200910153585 A CN 200910153585A CN 200910153585 A CN200910153585 A CN 200910153585A CN 101694077 A CN101694077 A CN 101694077A
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Abstract
The invention relates to a method for producing a paper towel by a wet corrugating method, which comprises the following steps: when the dry degree of a wet paper page is ranged form 30% to 45% after system moulding, dehydration and squeezing of a Harper fourdrinier, corrugating by a corrugating scraper, wherein an angle formed by the corrugating scraper and a tangent of a drying cylinder is 15-35 DEG, a cutting edge angle of the scraper on the cylinder attaching surface is 55-90 DEG, and the speed ratio of the corrugation drying cylinder and the heating and drying cylinder is 1.1-1.2:1; then delivering the paper to the surface of the heating cylinder by an independent power transfer device; drying and collecting the paper and then obtaining the finished product. Compared with the prior art, the invention adopts a wet corrugating process; because the corrugation is carried out when the dry degree of a paper web is 30-45 percent, the hydrogen bond bonding force among fibers and the chemical bond bonding force of thermosetting resin, for example a wet strength agent, and the like are not formed, and the strength of the wet paper page is lower, wrinkles formed after collision by the corrugating scraper is uniform and consistent and can not generate the poor phenomena of paper scraps, paper powder, and the like.
Description
[technical field]
The present invention relates to the manufacture method of crepe paper, especially belong in the wrinkling operation of heated drying cylinder of Ha Bashi fourdrinier wire multi-cylinder paper machine production technology, adopt the method for wet crepe explained hereafter tissue.
[background technology]
Before the present invention made, tissue mainly adopted dry method or semidry method creping to produce.Dry crepe is meant and earlier paper web carried out drying, in mass dryness fraction is under 90～93% the state, to scrape wrinkle through creping doctor from dryer surface and form product; Semidry method is wrinkling to be meant and earlier paper web to be carried out suitable drying, in mass dryness fraction is under 65～75% the state, to scrape wrinkle through creping doctor from dryer surface, and then, the mass dryness fraction through cylinder dried to 90～93% forms product again.The problem that dry method or semidry method creping are produced the tissue existence is: 1, in wrinkling process, because scraper is to the fierceness collision of paper web, and paper web and dryer surface have been in the state that is easy to peel off, after so scraper is wrinkling, the paper wrinkle is thick and flat, causes the decline of papery dirt-removing power, softness very not to influence result of use; 2, destroy the adhesion of thermosetting resin chemical bonds such as the interfibrous hydrogen bond of page, wet strength agent easily, thereby cause the tissue paper strength lower, particularly produce paper scrap, paper powder owing to papery is too fluffy, cause occurring easily in use problems such as sticking hand, fragmentation, result of use is poor.
[summary of the invention]
For overcoming the problems referred to above that prior art exists, the present invention aims to provide a kind of method of producing paper towel by wet corrugating, the product that utilizes this method to produce, have the wrinkle advantage that more stable and uniform, bond strength and wet strength are higher and the good feel of deflection is gentle, and can not produce bad phenomenon such as paper scrap, paper powder.
For achieving the above object, the present invention has adopted following technical scheme: the mass dryness fraction of l Water Paper page or leaf was at 30～45% o'clock after the moulding of Ha Bashi long mesh paper making machine system, dehydration, squeezing, wrinkling through creping doctor, the angle of creping doctor and drying cylinder tangent line is 15～35 °, scraper is 55～90 ° in the basil of pasting the cylinder face, and the speed ratio of creping cylinder and heat drying drying cylinder is 1.1～1.2: 1, then, deliver to heated cylinder surfaces by the independent power transfer device, after dry, the collection product.
As to technique scheme further replenish and perfect, the present invention also has following additional technical feature.
Described paper web mass dryness fraction is 40%.
The tangential angle of described creping doctor and creping cylinder contact point is 20 °, and wrinkling blade tool point angle is 75 °.
The speed ratio of described creping cylinder and heat drying drying cylinder is 1.18: 1.
Beneficial effect: compared with prior art, the present invention adopts wet crepe technology, its advantage is: because under the paper web mass dryness fraction is 30～45% state, the chemical bonded refractory of thermosetting resins such as interfibrous hydrogen bonded power and wet strength agent makes a concerted effort not form as yet, and, because l Water Paper page or leaf intensity is lower, therefore, the wrinkle that forms after the creping doctor collision can not produce bad phenomenon such as paper scrap, paper powder with regard to uniformity.Moreover, at the wet crepe technological requirement, the l Water Paper page or leaf can not be done the passive type traction and carry, on the transport of heated drying cylinder, set up power separately, power-transmission system is delivered to the heated drying cylinder drying thus, can keep the wrinkle original state, the speed ratio of creping cylinder and heated drying cylinder is remained on 1.1～1.2: between 1, can control stabilization, desirable wrinkle state; Be equipped with paper machine speed again, effectively dry measures such as area and dried net (blanket) elasticity, guarantee that page does not slide, do not stretch between drying cylinder and dried net (blanket), more guaranteed the stability of wrinkle.
[specific embodiment]
The dry method and the semidry method of wet crepe technology of the present invention and prior art, in utilizing the Ha Bashi fourdrinier wire multi-cylinder paper machine technological process of production, the production stage before the squeezing process is identical.For dry crepe technology, the operation after the squeezing is: drying, and--wrinkling--coil paper becomes product; Operation after the semidry method squeezing is:--wrinkling--drying--coil paper becomes product to drying.Operation after the wet crepe technology squeezing of the present invention is: wrinkling--drying--coil paper becomes product.Innovation point of the present invention: 1, the wrinkling preceding drying process of cancellation, promptly cancel providing dry steam to creping cylinder, when squeezing back l Water Paper page or leaf was delivered to the creping cylinder surface, the paper web mass dryness fraction is promptly carried out scraper under 30～45% state wrinkling.2, newly-increased motor-driven transport, the l Water Paper page or leaf after utilizing band transmission deflector roll (adjustable arc roller) or being with drive belt (dried net, canvas) conveying wrinkling.
Embodiment 1:
Selecting for use softwood pulp to make concentration behind size degradation is 4.5% slurries, through ф 450 mill defibrinations, beating degree is 40 ° of SR, selecting for use hardwood pulp to make concentration behind pulping is 3% slurries, discongesting beating degree through disintegrating mill is 25 ° of SR, 70% needle slurry (pressing the over dry proportioning) and 30% broad-leaved slurry (pressing the over dry proportioning) are mixed, the beating degree of mixed pulp is 30 ° of SR again.Adding PAE (12.5% solid content) in the ratio of 25kg/t in mixed pulp stirs to send and destroies the forebay.The mass dryness fraction of l Water Paper page or leaf was at 42% o'clock after the moulding of Ha Bashi long mesh paper making machine system, dehydration, squeezing, wrinkling through creping doctor, the angle of creping doctor and drying cylinder tangent line is 20 °, and scraper is 75 ° in the basil of pasting the cylinder face, and the speed ratio of creping cylinder and heat drying drying cylinder is 1.18: 1.The every index of tissue of producing through above-mentioned condition is: quantitative 38.8g/m
2, thickness 0.129mm, percentage elongation (vertically) 16.4%.
Embodiment 2:
Selecting for use softwood pulp to make concentration behind size degradation is 4.5% slurries, and through ф 450 mill defibrinations, beating degree is 35 ° of SR, and selecting for use bagasse pulp to make concentration behind pulping is 3% slurries, and discongesting beating degree through disintegrating mill is 30 ° of SR; 50% needle slurry (pressing the over dry proportioning) and 50% bagasse pulp (pressing the over dry proportioning) are mixed, the beating degree of mixed pulp is 35 ° of SR again.Adding PAE (12.5% solid content) in the ratio of 25kg/t in mixed pulp stirs to send and destroies the forebay.The mass dryness fraction of l Water Paper page or leaf was at 40% o'clock after the moulding of Ha Bashi long mesh paper making machine system, dehydration, squeezing, wrinkling through creping doctor, the angle of creping doctor and drying cylinder tangent line is 20 °, and scraper is 75 ° in the basil of pasting the cylinder face, and the speed ratio of creping cylinder and heat drying drying cylinder is 1.16: 1.The every index of tissue of producing through above-mentioned condition is: quantitative 40.5g/m
2, thickness 0.127mm, percentage elongation (vertically) 15.5%.
Embodiment 3:
Selecting for use the true qualities softwood pulp to make concentration behind size degradation is 4.3% slurries, and through ф 450 mill defibrinations, beating degree is 42 ° of SR, and selecting for use broad-leaved lignify machine slurry to make concentration behind pulping is 3% slurries, and discongesting beating degree through disintegrating mill is 28 ° of SR; 80% true qualities softwood pulp (pressing the over dry proportioning) and 20% broad-leaved lignify machine slurry (pressing the over dry proportioning) are mixed, the beating degree of mixed pulp is 33 ° of SR again.Adding PAE (12.5% solid content) in the ratio of 25kg/t in mixed pulp stirs to send and destroies the forebay.The mass dryness fraction of l Water Paper page or leaf was at 41% o'clock after the moulding of Ha Bashi long mesh paper making machine system, dehydration, squeezing, wrinkling through creping doctor, the angle of creping doctor and drying cylinder tangent line is 22 °, and scraper is 65 ° in the basil of pasting the cylinder face, and the speed ratio of creping cylinder and heat drying drying cylinder is 1.15: 1.The every index of tissue of producing through above-mentioned condition is: quantitative 42g/m
2, thickness 0.132mm, percentage elongation (vertically) 14.8%.
Claims (4)
1. the method for a producing paper towel by wet corrugating, the mass dryness fraction of l Water Paper page or leaf was at 30～45% o'clock after the moulding of Ha Bashi long mesh paper making machine system, dehydration, squeezing, wrinkling through creping doctor, the angle of creping doctor and drying cylinder tangent line is 15～35 °, scraper is 55～90 ° in the basil of pasting the cylinder face, and the speed ratio of creping cylinder and heat drying drying cylinder is 1.1～1.2: 1, then, deliver to heated cylinder surfaces by the independent power transfer device, after dry, the collection product.
2. the method for claim 1, it is characterized in that: described paper web mass dryness fraction is 40%.
3. the method for claim 1, it is characterized in that: the tangential angle of described creping doctor and creping cylinder contact point is 20 °, wrinkling blade tool point angle is 75 °.
4. the method for claim 1, it is characterized in that: the speed ratio of described creping cylinder and heat drying drying cylinder is 1.18: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910153585A CN101694077A (en) | 2009-10-20 | 2009-10-20 | Method for producing paper towel by wet corrugating method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910153585A CN101694077A (en) | 2009-10-20 | 2009-10-20 | Method for producing paper towel by wet corrugating method |
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| CN101694077A true CN101694077A (en) | 2010-04-14 |
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| CN200910153585A Pending CN101694077A (en) | 2009-10-20 | 2009-10-20 | Method for producing paper towel by wet corrugating method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400410A (en) * | 2011-09-28 | 2012-04-04 | 浙江鑫丰特种纸业股份有限公司 | Medical crepe wrapping paper and production process thereof |
| CN102517961A (en) * | 2012-01-06 | 2012-06-27 | 维达纸业(孝感)有限公司 | Paper thickness production control method |
| CN102912676A (en) * | 2012-11-01 | 2013-02-06 | 泉州华祥纸业有限公司 | Method for producing paper towel |
| CN105113316A (en) * | 2015-09-22 | 2015-12-02 | 福建省晋江优兰发纸业有限公司 | Method for producing hand towel in wrinkling mode through wet process |
| CN105544281A (en) * | 2015-12-10 | 2016-05-04 | 周妙思 | Production method for raw paper of hand towel |
| CN107869086A (en) * | 2017-10-24 | 2018-04-03 | 江山市华盛纸业制造有限公司 | A kind of new crimped paper |
| CN110409212A (en) * | 2019-07-19 | 2019-11-05 | 王洲 | A kind of tissue and its production technology of sandwich style |
| CN110685181A (en) * | 2018-07-04 | 2020-01-14 | 康利源科技（天津）股份有限公司 | Structure and processing technology of corrugated paper tube |
| CN110820421A (en) * | 2019-11-13 | 2020-02-21 | 衢州龙游双熊猫纸业有限公司 | Production method of paper towel or kitchen paper and preparation method of paper |
| CN113684719A (en) * | 2021-07-26 | 2021-11-23 | 白城福佳科技有限公司 | Equipment and method for producing toilet paper by jet flow air flotation drying |
| CN114263067A (en) * | 2021-12-29 | 2022-04-01 | 福建恒安集团有限公司 | Preparation process of raw paper material of high-water-absorption hand towel paper |
-
2009
- 2009-10-20 CN CN200910153585A patent/CN101694077A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400410A (en) * | 2011-09-28 | 2012-04-04 | 浙江鑫丰特种纸业股份有限公司 | Medical crepe wrapping paper and production process thereof |
| CN102517961A (en) * | 2012-01-06 | 2012-06-27 | 维达纸业(孝感)有限公司 | Paper thickness production control method |
| CN102517961B (en) * | 2012-01-06 | 2015-08-19 | 维达纸业(孝感)有限公司 | Paper thickness production control method |
| CN102912676A (en) * | 2012-11-01 | 2013-02-06 | 泉州华祥纸业有限公司 | Method for producing paper towel |
| CN105113316B (en) * | 2015-09-22 | 2017-09-05 | 福建省晋江优兰发纸业有限公司 | A kind of method of producing paper towel by wet corrugating |
| CN105113316A (en) * | 2015-09-22 | 2015-12-02 | 福建省晋江优兰发纸业有限公司 | Method for producing hand towel in wrinkling mode through wet process |
| CN105544281A (en) * | 2015-12-10 | 2016-05-04 | 周妙思 | Production method for raw paper of hand towel |
| CN107869086A (en) * | 2017-10-24 | 2018-04-03 | 江山市华盛纸业制造有限公司 | A kind of new crimped paper |
| CN110685181A (en) * | 2018-07-04 | 2020-01-14 | 康利源科技（天津）股份有限公司 | Structure and processing technology of corrugated paper tube |
| CN110409212A (en) * | 2019-07-19 | 2019-11-05 | 王洲 | A kind of tissue and its production technology of sandwich style |
| CN110409212B (en) * | 2019-07-19 | 2021-09-03 | 王洲 | Sandwich type hand towel and production process thereof |
| CN110820421A (en) * | 2019-11-13 | 2020-02-21 | 衢州龙游双熊猫纸业有限公司 | Production method of paper towel or kitchen paper and preparation method of paper |
| CN113684719A (en) * | 2021-07-26 | 2021-11-23 | 白城福佳科技有限公司 | Equipment and method for producing toilet paper by jet flow air flotation drying |
| CN114263067A (en) * | 2021-12-29 | 2022-04-01 | 福建恒安集团有限公司 | Preparation process of raw paper material of high-water-absorption hand towel paper |
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Open date: 20100414 |