CN1865589A - Paper surface sizing method by multilayer spraying - Google Patents
Paper surface sizing method by multilayer spraying Download PDFInfo
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- CN1865589A CN1865589A CN 200610052111 CN200610052111A CN1865589A CN 1865589 A CN1865589 A CN 1865589A CN 200610052111 CN200610052111 CN 200610052111 CN 200610052111 A CN200610052111 A CN 200610052111A CN 1865589 A CN1865589 A CN 1865589A
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Abstract
The invention discloses a glue applying method on the multi-layer spraying paper surface, which comprises the following steps: spraying starch solution and sizing agent and composition of sizing agent and starch solution twice or more on the paper web w at drying part of paper machine; overcoming present technological defect with excellent quality for manufacturing.
Description
Technical field
The present invention relates to a kind of paper technology, particularly a kind of paper surface sizing method by multilayer spraying.
Background technology
Applying glue is one important procedure of papermaking, and its purpose is to make paper or cardboard have the performance of resistance liquid, particularly water and aqueous solution diffusion and infiltration.The method of applying glue has two kinds of plasm-glue-blending and top sizings, and corresponding sizing agent also divides two kinds of internal sizing agent and Cypres.Internal sizing agent mainly contains rosin, unmodified and modified starch, PVA, alkyl ketene dimer AKD, alkenyl succinic anhydride ASA; Cypres has modification and unmodified starch, paraffin wax emulsions, carboxymethyl cellulose and styrene-maleic anhydride copolymer etc.
In order to obtain top sizing quality preferably, the general mixing application method of paper being carried out plasm-glue-blending and top sizing that adopts in paper mill, promptly before changing into the scraps of paper, pulp suspension just in this suspension, adds sizing agent, the scraps of paper immerse stock tank once more and carry out top sizing after super-dry, make paper surface form film.Come the uptake of control surface applying glue by plasm-glue-blending.Traditional surface sizing method is that applying glue solution is filled with the import pressed zone, and paper absorption portion applying glue solution is removed residue applying glue solution during through pressed zone.The applying glue solution of overflow concentrates on the funnel below the pressed zone or connects in the dish, is circulated back to the import pressed zone subsequently.The prior art glue applying method has following limitation: the first, the solids uptake in the horizontal applying glue solution of paper web is inhomogeneous during top sizing, and the applying glue quality does not ensure; The second, owing to the used sizing agent curing of plasm-glue-blending is slow, the disconnected paper problem of size press occurs, influence paper quality and output through regular meeting; Three, the paper machine continuous operation of carrying out plasm-glue-blending sediment can occur on the paper machine after 10 hours, and this sediment can be traced back to the polymer latex of internal sizing, and paper machine can not be run well.
Prior art also has a kind of method that adopts a roll-type size applicator to carry out top sizing, and door roll-type size applicator comprises hopper, applying glue door roller, and hopper tilts to be fixed on the paper machine expelling belt, and the material pond of biasing does not contact with page, and applying glue door roller contacts with page.Applying glue solution in the material pond is sent into page, arrives the page surface by applying glue door roller " seal is executed in rotation ".Door roll-type applying glue has plant investment and maintenance cost is big, applying glue door roller service life is short, paper surface easily produces defectives such as streak, and seldom adopt in general paper mill.
Summary of the invention
Technical problem to be solved by this invention is, overcome the defective that prior art exists, provide that a kind of applying glue quality is good, the Cypres consumption is few, polymer latex is stained with is gathered on paper machine, small investment, paper surface sizing method by multilayer spraying easy to maintenance.
The present invention addresses the above problem the technical scheme that is adopted: this paper surface sizing method by multilayer spraying, be characterized in: in the oven dry portion of paper machine, in the spraying of carrying out on the paper web more than twice or twice, at first spray starch solution, spray paper surface sizing agent solution at last, twice above middle mixture that sprays top sizing agent solution or starch solution or top sizing agent solution and starch.The layering spraying number of times of multilayer spraying is decided on spray amount, spraying sizing agent component and the paper infiltration rate of paper for surface sizing arts demand, general spray amount is big, component is complicated, paper absorbs the more layering spraying number of times of slow employing, and spray amount is little, component simple, paper absorbs the fast less layering spraying number of times that is provided with.Paper surface sizing method by multilayer spraying is because the starch mist of ground floor spraying forms the starch glued membrane on the surface of paper, and what make that the Cypres of spraying later can be not a large amount of is penetrated into paper inside, reduces the applying glue cost, guarantees sizing efficiency.
Described single face or upper and lower two-sided the carrying out that is sprayed at paper web of paper surface sizing method by multilayer spraying of the present invention.
The described spraying of paper surface sizing method by multilayer spraying of the present invention adopts the controllable spray tank of spray amount to carry out, and uses two or more spray tanks to carry out multilayer applying glue spraying, and described spray tank tilts or the vertical spray solution of executing with paper web.Its spray direction of the controllable spray tank of spray amount and spray amount are adjustable, the ejecting device of spray tank inside can be single also can be that many rows arrange, before and after guaranteeing repeatedly solution such as the starch of top sizing and sizing agent be injected on the paper equably.Paper carrying roll on the paper machine can further be sprawled the sizing agent solution thin layer that is sprayed to paper surface evenly.
Paper surface sizing method by multilayer spraying of the present invention the most previous described spray tank is fixed on as much as possible the top near the paper web of the anterior drying cylinder correspondence of paper machine, and last spray tank is fixed on by the paper web near rear portion drying cylinder correspondence.The most preceding, apart from the win starch solution of layer spraying of ambassador arranged the bigger drying and forming-film time between latter two spray tank.
The starch of the described starch solution of paper surface sizing method by multilayer spraying of the present invention is selected good dispersion for use, easily by fiber absorbs and infiltrated fiber inside, the modified starch that sizing efficiency is good, Cypres in the described top sizing solution is selected paraffin wax emulsions or polyvinyl alcohol or carboxymethyl cellulose or styrene-maleic anhydride copolymer or neutral sizing agent for use according to the glue-applying technique requirement of different paper kinds.Modified starch is selected oxidized starch or phosphatization starch or ethoxy etherificate starch or dextrin for use.
Described starch of paper surface sizing method by multilayer spraying of the present invention and Cypres use proportioning to be controlled at according to paper kind, used raw material and the adjustment of paper the ash content of coal, and the weight ratio of Cypres and starch is 1: 5-10.
The present invention compared with prior art has the following advantages: 1, applying glue quality is good.First spray tank of the present invention is the uniform starch mist of spray on the dried paper web of process, the starch mist is absorbed fully by paper, and then at the very thin uniform starch glued membrane of the surface of paper formation one deck, when the spray tank of back sprays Cypres, because the existence of starch glued membrane, make that paper can the sorbent surface sizing agent, prevent that Cypres from infiltrating in the paper product.The starch mist of first spray tank ejection can be filled the surface void on the page simultaneously, has dwindled pore radius, can overcome the horizontal solids of prior art paper web and absorb uneven shortcoming, obtains best top sizing effect.In addition, the problem that the present invention does not exist applying glue solution that prior art immerses the surface sizing method of stock tank formula to concentrate gradually, resin added stable and consistent, applying glue quality are guaranteed.2, the Cypres consumption is few.Paper surface multilayer glue applying method of the present invention will play strengthening action and prevent that the starch of the infiltration of sizing agent from first spraying, and can prevent that Cypres from infiltrating in the paper product, absorbed in a large number by paper; And adopt the controllable spray tank of spray amount,, control resin added, reduced the consumption of expensive Cypres effectively, reduced production cost by regulating spray amount according to the moisture and the absorbability of paper itself.3, having reduced polymer latex that sizing agent produces is stained with and gathers probability on paper machine.Last spray tank quantizes to execute the Cypres of spray at the surface of paper formation sizing agent film, chemical substance in isolating starch to a certain extent and other being mixed in paper pulp contacts with paper machine, reduced the chance of polymer emulsion adhesive aggregation on paper machine, guaranteed that paper machine works well.4, be beneficial to raising paper machine output and quality.The present invention uses the multiple-level surface applying glue, substitutes the plasm-glue-blending that prior art is used, and can not occur causing the size press paper problem of breaking because the used sizing agent of plasm-glue-blending solidifies slowly; Simultaneously, Pen Wu applying glue dosage is less at last, and the curing of sizing agent is very fast, does not resemble easy roll banding or sticking cylinder the starch, can reduce the disconnected paper and the paper surface defective paper defects that cause because of top sizing, is beneficial to the raising of paper machine output and quality.5, the applying glue equipment investment of glue applying method employing of the present invention is few, easy to maintenance.
Description of drawings
Fig. 1 is the embodiment of the invention 1 a spray tank installation site schematic diagram.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the embodiment of the invention 2 spray tank installation site schematic diagrames.
Fig. 4 is the vertical view of Fig. 3.
Fig. 5 is inventive embodiments 3 spray tank installation site schematic diagrames.
Fig. 6 is inventive embodiments 4 spray tank installation site schematic diagrames 1.
Fig. 7 is inventive embodiments 4 spray tank installation site schematic diagrames 2.
The specific embodiment
Embodiment 1:
The present embodiment paper surface sizing method by multilayer spraying in the oven dry portion of paper machine, carries out twice, one-sided spraying applying glue on paper web.As shown in Figure 1 and Figure 2, before paper web 1 enters the rear portion drying cylinder 2 of paper machine, the controllable spray tank 3 of two spray amount of the forward and backward installation in the top of the paper web 1 between drying cylinder 5 and the rear portion drying cylinder 2 forwardly.Nearby the spray tank 3 of portion's drying cylinder 5 carries out the ground floor applying glue of paper surface towards the paper web 1 reverse spray starch solution of executing; The spray tank 3 in back carries out the second layer applying glue of paper surface towards the paper web 1 reverse spray paper surface sizing agent solution of executing, and 4 is droplets that paper carrying roll, the wt of paper machine represents spray tank 3 ejections among the figure.Be sprayed on equably through the starch mist on the dried paper web 1 and fully absorbed by paper, and at the very thin starch glued membrane of the surface of paper web 1 formation one deck, fill the surface void of paper web 1, dwindle paper web 1 surface and go up pore radius, make paper web 1 laterally absorb the Cypres of a back spray tank 3 ejections equably, help to prevent that Cypres from infiltrating in the paper product, make it best top sizing effect.The spray direction of spray tank 3 also can be vertical with paper web 1.Previous spray tank 3 is fixed on as much as possible the top near the paper web 1 of anterior drying cylinder 5 correspondences of paper machine, the spray tank 3 in back is fixed on the top near the paper web 1 of rear portion drying cylinder 2 correspondences, so that the distance between two spray tanks 3 is far away as much as possible, make the starch solution of ground floor spraying that the long drying and forming-film time be arranged.
The starch of the starch solution of previous spray tank 3 sprays is selected good dispersion for use, is easily absorbed and infiltrated fiber inside by paper fibre, and the modified starch that sizing efficiency is good can be selected from oxidized starch, phosphatization starch, ethoxy etherificate starch, dextrin.The selection of concrete starch is to decide according to the actual process needs of producing.Embodiment selects oxidized starch for use, and its ion characteristic is that CATION, pH value are 7.0 ± 1.0.Concentration also is to decide by glue-applying technique after the starch gelatinization, and content of starch is 5-8% in the general starch solution, is percentage by weight.Cypres in the top sizing solution of a back spray tank 3 sprays can be selected paraffin wax emulsions or polyvinyl alcohol or carboxymethyl cellulose or styrene-maleic anhydride copolymer or neutral sizing agent for use according to the glue-applying technique requirement of different paper kinds.Starch that ground floor applying glue and second layer applying glue are used and Cypres are according to the proportioning of paper kind, used raw material and paper the ash content of coal adjustment control use amount, the weight ratio of Cypres and starch is 1: 5-10, promptly every 100kg starch is joined the 10-20kg Cypres.It is 1: 10,1: 9 and 1: 8 that embodiment uses more proportioning, and special circumstances need be 1: adjust between the 5-10.
Embodiment 2:
Present embodiment sprays the requirement of the Cypres of two-layer different chemical character according to the actual production arts demand on the surface of paper, in the oven dry portion of paper machine, adopt three times, one-sided spraying paper surface sizing method on paper web.As shown in Figure 3, Figure 4, before paper web 1 enters the rear portion drying cylinder 2 of paper machine, the controllable spray tank 3 of three spray amount of the forward and backward installation in the top of the paper web 1 between drying cylinder 5 and the rear portion drying cylinder 2 forwardly, nearby first spray tank 3 of portion's drying cylinder 5 carries out the ground floor applying glue of paper surface towards the paper web 1 reverse spray starch solution of executing; Second spray tank 3 carries out the second layer applying glue of paper surface towards the paper web 1 reverse mixture of executing a kind of top sizing solution of spray or this top sizing solution and starch; The 3rd spray tank 3 is towards the paper web 1 reverse another kind of Cypres of spray one deck of executing.At last and between 3 two spray tanks enough distances are arranged, a plurality of spray tanks can conveniently be set, can make again before the paper of spraying is entering rear portion drying cylinder 2, the sizing agent solution layer of paper surface further be sprawled evenly, reach the required applying glue quality of technology by paper carrying roll 4.
Other operation of present embodiment is with embodiment 1.
Different Cypres uses the controllable spray tank of spray amount separately, can the layering precision control the quantity for spray of each Cypres at paper surface, has changed prior art and can only mix the surface sizing technique method of carrying out an applying glue.On the basis of ground floor amylan, execute the two-layer Cypres of different nature of spray respectively, satisfy the top sizing quality requirement of paper technology needs.
Embodiment 3:
The present embodiment paper surface sizing method by multilayer spraying in the oven dry portion of paper machine, adopts four times, two-sided spraying applying glue on paper web, this glue applying method is applicable to that cultural paper and speciality paper need the technology of the two-sided applying glue of paper.As shown in Figure 5, before paper web 1 enters the rear portion drying cylinder 2 of paper machine, forwardly the above and below of the paper web 1 between drying cylinder 5 and the rear portion drying cylinder 2 is installed the controllable spray tank 3 of forward and backward two spray amount respectively, the ground floor applying glue of upper sheet surface is carried out towards the paper web 1 reverse spray starch solution of executing in top nearby first spray tank 3 of portion's drying cylinder 5; Second spray tank 3 is towards the paper web 1 reverse spray Cypres of executing; The below towards the paper web 1 reverse spray starch solution of executing, is carried out the ground floor applying glue of paper lower surface near anterior drying cylinder 5 first spray tanks 3, and second spray tank 3 in below is towards the paper web 1 reverse spray Cypres of executing.Lay respectively between two spray tanks of paper web 1 upper and lower enough distances need be arranged, the starch solution of one deck spraying has the long drying and forming-film time before making, can make again before the paper of spraying is entering rear portion drying cylinder 2, by paper carrying roll 4 the sizing agent solution layer of paper surface is further sprawled evenly, reached the required applying glue quality of technology.
Other operation of present embodiment is with embodiment 1.
Embodiment 4:
The present embodiment paper surface sizing method by multilayer spraying in the oven dry portion of paper machine, adopts three times, one-sided spraying applying glue on paper web.As Fig. 6, shown in Figure 7, before paper web 1 enters the rear portion drying cylinder 2 of paper machine, a spray tank 3 is installed above the paper web 1 between two anterior drying cylinders 5, and two controllable spray tanks of spray amount are installed on the same surface of the anterior drying cylinder 5 of back and the top paper web of the paper web 1 between the rear portion drying cylinder 2.First spray tank is installed between anterior drying cylinder 7 and the anterior drying cylinder 5, tilts or vertically executes the spray starch solution, Figure 6 shows that and tilts to execute spray, Figure 7 shows that and vertically executes spray.Second, third spray tank is executed spray top sizing agent solution.Other operations of present embodiment are with embodiment 1.
First spray tank is installed between two anterior drying cylinders 5, executes behind the spray starch solution paper and is ground by second anterior drying cylinder 5 at once and roll oven dry, makes the starch solution of executing spray in the quick mummification in paper top layer and form film.After first spray tank is installed between two anterior drying cylinders 5 simultaneously, the process of the whole top sizing that extended, the distance between the amylan of ground floor and the last one deck glue application layer increases, and makes second layer top sizing layer have time enough to form film.
Claims (6)
1, a kind of paper surface sizing method by multilayer spraying, it is characterized in that: in the oven dry portion of paper machine, in the spraying of carrying out on the paper web more than twice or twice, at first spray starch solution, spray paper surface sizing agent solution at last, twice above middle mixture that sprays top sizing agent solution or starch solution or top sizing agent solution and starch.
2, paper surface sizing method by multilayer spraying according to claim 1 is characterized in that: described single face or upper and lower two-sided the carrying out that is sprayed at paper web.
3, paper surface sizing method by multilayer spraying according to claim 1 and 2, it is characterized in that: described spraying adopts the controllable spray tank of spray amount to carry out, use two or more spray tanks to carry out multilayer applying glue spraying, described spray tank tilts or the vertical spray solution of executing with paper web.
4, paper surface sizing method by multilayer spraying according to claim 3, it is characterized in that: the most previous described spray tank is fixed on as much as possible by the paper web near the anterior drying cylinder correspondence of paper machine, and last spray tank is fixed on by the paper web near rear portion drying cylinder correspondence.
5, paper surface sizing method by multilayer spraying according to claim 4, it is characterized in that: the starch of described starch solution is selected good dispersion for use, easily by fiber absorbs and infiltrated fiber inside, the modified starch that sizing efficiency is good, Cypres in the described top sizing solution is selected paraffin wax emulsions or polyvinyl alcohol or carboxymethyl cellulose or styrene-copolymer-maleic anhydride or neutral sizing agent for use according to the glue-applying technique requirement of different paper kinds.
6, paper surface sizing method by multilayer spraying according to claim 5, it is characterized in that: described starch and Cypres use proportioning to be controlled at according to paper kind, used raw material and the adjustment of paper the ash content of coal, and the weight ratio of Cypres and starch is 1: 5-10.
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| CNB2006100521112A CN100507148C (en) | 2006-06-23 | 2006-06-23 | Paper surface sizing method by multilayer spraying |
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| CNB2006100521112A CN100507148C (en) | 2006-06-23 | 2006-06-23 | Paper surface sizing method by multilayer spraying |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102234957A (en) * | 2010-04-29 | 2011-11-09 | 美卓造纸机械公司 | Method and device for processing fiber web |
| CN102892832A (en) * | 2010-11-02 | 2013-01-23 | 纳尔科公司 | Method of using aldehyde-functionalized polymers to increase papermachine performance and enhance sizing |
| CN103526637A (en) * | 2013-10-31 | 2014-01-22 | 东莞理文造纸厂有限公司 | Surface sizing and dyeing method of environment-friendly box paperboard with high water-resisting property |
| CN103556538A (en) * | 2013-11-16 | 2014-02-05 | 玖龙浆纸（乐山）有限公司 | Sizing method for high-strength corrugated paper |
| CN103898803A (en) * | 2014-04-22 | 2014-07-02 | 重庆再升科技股份有限公司 | Method for manufacturing glass fiber air filter paper and special coating and sizing device |
| CN104480788A (en) * | 2014-12-31 | 2015-04-01 | 东莞玖龙纸业有限公司 | Spray glue application method and device for corrugated paper |
| CN105109177A (en) * | 2015-08-31 | 2015-12-02 | 杭州洁诺清洁用品有限公司 | Production method of laminated paper |
| CN108867146A (en) * | 2018-07-27 | 2018-11-23 | 海南金海浆纸业有限公司 | A kind of preparation method of matt art paper |
| CN111118953A (en) * | 2020-02-28 | 2020-05-08 | 江苏理文造纸有限公司 | Integrated surface sizing method and application device thereof |
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2006
- 2006-06-23 CN CNB2006100521112A patent/CN100507148C/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102234957A (en) * | 2010-04-29 | 2011-11-09 | 美卓造纸机械公司 | Method and device for processing fiber web |
| CN102892832A (en) * | 2010-11-02 | 2013-01-23 | 纳尔科公司 | Method of using aldehyde-functionalized polymers to increase papermachine performance and enhance sizing |
| CN102892832B (en) * | 2010-11-02 | 2016-01-20 | 纳尔科公司 | Use aldehyde-functionalized polymkeric substance to improve paper machine performance and strengthen the method for applying glue |
| CN103526637A (en) * | 2013-10-31 | 2014-01-22 | 东莞理文造纸厂有限公司 | Surface sizing and dyeing method of environment-friendly box paperboard with high water-resisting property |
| CN103556538A (en) * | 2013-11-16 | 2014-02-05 | 玖龙浆纸（乐山）有限公司 | Sizing method for high-strength corrugated paper |
| CN103898803A (en) * | 2014-04-22 | 2014-07-02 | 重庆再升科技股份有限公司 | Method for manufacturing glass fiber air filter paper and special coating and sizing device |
| CN104480788A (en) * | 2014-12-31 | 2015-04-01 | 东莞玖龙纸业有限公司 | Spray glue application method and device for corrugated paper |
| CN105109177A (en) * | 2015-08-31 | 2015-12-02 | 杭州洁诺清洁用品有限公司 | Production method of laminated paper |
| CN108867146A (en) * | 2018-07-27 | 2018-11-23 | 海南金海浆纸业有限公司 | A kind of preparation method of matt art paper |
| CN111118953A (en) * | 2020-02-28 | 2020-05-08 | 江苏理文造纸有限公司 | Integrated surface sizing method and application device thereof |
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| CN100507148C (en) | 2009-07-01 |
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