CN87104010A - Regeneration polyvinyl paper substrate paper and method for making and equipment - Google Patents
Regeneration polyvinyl paper substrate paper and method for making and equipment Download PDFInfo
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- CN87104010A CN87104010A CN 87104010 CN87104010A CN87104010A CN 87104010 A CN87104010 A CN 87104010A CN 87104010 CN87104010 CN 87104010 CN 87104010 A CN87104010 A CN 87104010A CN 87104010 A CN87104010 A CN 87104010A
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Abstract
The invention discloses a kind of regeneration polyvinyl paper substrate paper and method for making and equipment.Because of existing bag of cement intensity difference made of paper, badly broken causes cement to waste and polyvinyl cloth---the paper compound cement bag of development in a large number, improved intensity, but technological process is long, and the cost height can't be recycled again.The present invention is the polyvinyl cloth to reclaim---the useless bag of paper compound cement bag is that raw material is dosed the wood pulp goods and vinylon fiber collecting causes regeneration polyvinyl paper substrate paper.108 this kind of gram products, bursting strength is 4.18 kilograms, and tearability is 163 grams, and the pulling force ratio is 1.22: 1 in length and breadth.Also be applicable to other heavy wrappings.
Description
The present invention relates to a kind of polyvinyl alcohol fibre paper substrate paper and pulping method and equipment, particularly utilize the waste material of the useless bag of the polyvinyl cloth paper compound cement bag that reclaims, the useless bag of paper bag of cement and other wood pulp goods, directly with the mixed pulping of polyvinyl alcohol fibre, polyvinyl paper substrate paper and manufacture method thereof of manufacturing paper with pulp out on the paper machine and the equipment that is exclusively used in this product of production are wet end of machine net slot device.
The cement package bags that domestic bag of cement is always made based on multiwall kraft, since intensity difference, badly broken, breakage rate can reach 16.5%, causes a large amount of loss and wastes of cement, and loss millions of tons in the annual whole nation are worth several hundred million yuan.For solving the cement packing damaging problem, the whole nation is actively studied from number of ways, as adopt Polywoven Bag, paper-mould, mould-paper paper-mould-paper, paper-Bu, paper-Bu-composites such as paper are made cement package bags, wherein are considered to cement packing material preferably with polyvinyl cloth-paper compound cement bag, can make breakage rate reduce by 90% than body paper bag of cement.Polyvinyl cloth-paper compound cement bag is by polyvinyl silk spinning resultant yarn, be made into polyvinyl cloth again, make composite sheet with adhesive and paper, its technological process is long, just can finish through weaving, chemical industry, papermaking, the several process procedure cooperations of bag, technological process is long, production cost is high.Particularly this kind polyvinyl cloth-paper complex pocket can't utilize with the useless bag in back.It is reported that the present whole nation has this complex pocket of many manufacturer production, output is considerable.So how to eliminate the public hazards that this useless packaging bag causes, and to be recycled be problem demanding prompt solution.
The objective of the invention is to solve the packaging bag of polyvinyl cloth paper complex cement and use the back recovery to be used again, also comprise and utilize the waste wood milk products directly to mix polyvinyl alcohol fibre, the regeneration polyvinyl paper substrate paper of manufacturing paper with pulp.And shortened process, reduce cost, produce the very high product of intensity.Simultaneously solve corresponding pulping process and pulping method, and to design the key equipment that satisfies this paper products and technological requirement be wet end of machine net slot device at the long characteristics of polyvinyl alcohol fibre.
The present invention realizes like this, with the useless bag of the polyvinyl cloth-paper compound cement bag that reclaims, the useless bag of paper bag of cement, add polyvinyl alcohol fibre, wood pulp goods and the mixed pulping of multiple industrial chemicals, each component of its base stock formulation proportioning umber by weight is: the useless bag of the polyvinyl cloth-paper compound cement bag of recovery is 45-60 part, the useless bag of the bag of cement made of paper that reclaims or other waste wood milk products 40-60 part, vinal or useless polyvinyl alcohol fibre 10-35 part, various industrial chemicals 8-15 parts, comprising: polyvinyl alcohol 3.5-5.2 part, glyoxal 0.15-0.22 part, alkylketene tripolymer 1.5-2.5 part, formaldehyde 0.05-0.1 part, rosin 0.8-1.1 part, aluminum sulfate 4-6 part, anionic starch 1.5-2.2 part.
The manufacture method of this regeneration polyvinyl paper substrate paper product is the useless bag of polyvinyl cloth-paper bag of cement that will reclaim, the useless bag of paper bag of cement, process play paper, dedusting, fragmentation, hydraulic pulping, desilting, slagging-off, pulp washing, concentrate, add polyvinyl alcohol fibre or wood pulp goods and make slurry, add industrial chemicals, through making beating, starching, manufacture paper with pulp, squeezing, applying glue, extruding, oven dry, coil paper, rewinding make product.The present invention has adopted high concentration classification making beating and side lower to be the angle new sizing technology.Be to be 4.8% to concentration, beating degree be 13-15SR ° slurry through kick the beam, slightly heavy, weigh three making beating and make beating degree reach 24-27SR °.Slurry slurry in the starching process flows into the direction of wet end net groove and the tangential direction of cylinder mould rotation is angle.The wet end of machine net groove equipment that is adopted in the middle of the new technology of producing this product, the invention main points of this equipment are that the tangent line side of the rotation of net groove side lower part stock inlet 3 and cylinder mould 1 is angle.
Below the present invention is carried out openly in detail, product of the present invention is by the useless bag of the polyvinyl cloth-paper compound cement bag that reclaims, and adds the useless bag of paper bag of cement or other wood pulp goods of reclaiming, adds useless polyvinyl silk and various industrial chemicals and makes.Its composition is: the weight ratio of the useless bag of the polyvinyl cloth-paper compound cement bag of recovery is 45-60 part.The useless bag of paper bag of cement or other wood pulp goods account for 40-60 part vinal or useless polyvinyl alcohol fibre accounts for 10-35 part.Various industrial chemicals account for 8-15 part, comprising polyvinyl alcohol 3.5-5.2 part, and glyoxal 0.15-0.22 part, alkylketene tripolymer 1.5-2.5 part, formaldehyde 0.05-0.1 part, rosin 0.8-1.1 part, aluminum sulfate 4-6 part, anionic starch 1.5-2.2 part.
The manufacture method of regeneration polyvinyl paper substrate paper is that the useless bag of polyvinyl cloth-paper compound cement bag, the useless bag of bag of cement made of paper are added polyvinyl alcohol fibre and industrial chemicals, make slurry respectively, be modulated into mixed slurry more in proportion, manufacture paper with pulp into paper, concrete technological process is: the useless bag of the paper bag of cement that reclaims or polyvinyl cloth-paper compound cement bag are given up bag through playing paper, dedusting, fragmentation, hydraulic pulping, bed washer desilting, scummer slagging-off.The decker washing.The side pressure thickener concentrates.Adding is made pulping through polyvinyl alcohol fibre, the agent of resistance wadding, gum rosin, aluminum sulfate and the anionic starch of 10 ± 2 millimeters of finished 1.4 loads of cutting machine.Its process conditions are: beating consistency is 4.8-5.2%, drops into that the slurry beating degree is 13-15SR ° in the troughing, and for the first time light roll setting will starch and be beaten to 17-19SR °, flumps cutter for the second time and will starch dozen to 24-27SR °.The rosin that adds is by weight be 0.8-1.1%, and degree of sizing reaches more than 1.75 millimeters, and the joining day is grasped before beater is shut down 25-35 minute, and temperature is about 28-32 ℃, and 8-10 minute begins to add aluminum sulfate behind the adding rosin, and addition is 4-6% by weight.The slurry of accomplishing fluently is stored standby.
The useless bag of the bag of cement made of paper that reclaims, be cut into the square that the length of side is the 17-22 millimeter through rag cutter, again through the elasticity dedusting, drop into stock tank and add water repellent agent and the agent of resistance wadding, carry out the making beating of high concentration stagewise, its process conditions are: is slurry concentration the slurry of 5-5.5%, divides and progressively increases the weight of roll setting three times, the adding method of resin added, degree of sizing and aluminum sulfate, anionic starch is all the same, stores after making into 24-27SR ° standby.
Above-mentioned two kinds of slurries are deployed into mixed pulp by ratio requirement, be angle by side lower and cylinder mould rotation direction and enter the online of wet end of machine net groove, because the high directivity of polyvinyl alcohol fibre, direction upper pulling force along fiber when being the machine direction unanimity increases, but lateral pull can reduce greatly, this does not meet the requirement of bag of cement packaging material, be the state online that the multiple angles disorder interweaves and adopted the side lower starching that machine direction is crossed one another, thereby guarantee that pulling force is approaching in length and breadth,, behind a drying cylinder, go into the maceration extract applying glue through squeezing, push while hot, strengthen drying through far infrared again, through No. two drying cylinders oven dry coil papers, rewinding machine rewinding product.
The present invention has realized goal of the invention, promptly produces the high polyvinyl paper substrate paper of intensity.Product 108 gram/m of the present invention after tested
2The bursting strength of regeneration polyvinyl paper substrate paper be 4.18 kilograms/cm, tearability is 163 grams, degree of sizing is 1.5mm, longitudinal pulling force is 7.84 kilograms, lateral pull is 6.42 kilograms, reaches 1.22: 1 to the pulling force ratio in length and breadth.This product is used for cement packing to be measured breakage rate through actual shipment cement and can reduce to below 1%, and the breakage rate 16.5% of the bag of cement that this is not only made of paper than paper bag of cement has 1.8% the breakage rate that significantly reduces also than the polyvinyl compound paper bag of present popularization to decrease can to prevent so a large amount of cement because of loss that breakage caused.This product also provides new material for being used for other heavy wrappings.The present invention is that polyvinyl cloth-the paper compound cement bag is a raw material, has solved twice laid and pollution problem to give up.The technological process of production is short simultaneously, and raw material is taken from twice laid, thereby cost is low.Every bag of cement reduces by 0.13 yuan than polyvinyl cloth-paper composite sheet.The economic worth that reduces cost is very considerable.
Accompanying drawing 1 is angle starching net groove schematic diagram for side lower.
Embodiment 1, the useless bag of the polyvinyl cloth-paper compound cement bag that reclaims accounts for 55 parts, various industrial chemicals totals account for 10-15 part, comprising 3.5 parts of polyvinyl alcohol, 0.15 part of ethylene glycol, 2 parts of alkylketene tripolymers, 0.05 part in formaldehyde, 1.0 parts of rosin, 5 parts in aluminum sulfate, 2.0 parts of anionic starchs, the useless bag process of the polyvinyl cloth-paper composite sheet bag of cement that reclaims is played paper, dedusting, fragmentation, hydraulic pulping, desilting, slagging-off, washing adds gum rosin, aluminum sulfate, the agent of resistance wadding, anionic starch, through by light to heavy three roll settings making beating, make slurry be angle and enter wet end net groove and surf the Net along downside position and cylinder mould rotation direction, push, far infrared drying, coil paper, rewinding is a finished product.Product meets aforesaid quality requirement.
Claims (7)
1, a kind of chemical fibre of using, string and adhesive mix manufacture paper with pulp contain the polyvinyl alcohol fibre paper product.It is characterized in that by the polyvinyl cloth that reclaims--the useless bag of paper compound cement bag, dose the useless bag of paper bag of cement of recovery or dose polyvinyl alcohol fibre or dose the waste wood milk products, dose multiple industrial chemicals again and make.
2, product according to claim 1 is characterized in that the composition of raw materials component is by weight:
The useless bag of the polyvinyl cloth-paper compound cement bag that reclaims 45-60 part
The useless bag of the paper bag of cement that reclaims 40-60 part
Acid polyethylene fiber or useless polyvinyl alcohol fibre 10-35 part
Various industrial chemicals 8-15 parts
3, product according to claim 1 and 2 is characterized in that the recipe ingredient of industrial chemicals is by weight:
Polyvinyl alcohol 3.5-5.2 part
Glyoxal 0.15-0.22 part
Alkylketene tripolymer 1.5-2.5 part
Formaldehyde 0.05-0.1 part
Rosin 0.8-1.1 part
Aluminum sulfate 4-6 part
Anionic starch 1.5-2.2 part
4, product according to claim 1 is to have adopted raw material through playing paper, dedusting, fragmentation, hydraulic pulping, desilting, slagging-off, pulp washing, concentrating, add polyvinyl alcohol fibre or wood pulp goods and make slurry, add industrial chemicals, through making beating, starching, manufacture paper with pulp, squeezing, applying glue, extruding, oven dry, coil paper, rewinding are made the manufacture method of product, it is characterized in that adopting the manufacture method of high concentration classification making beating and the vertical starching of side lower.
5, method according to claim 4 is characterized in that to concentration be 4.8%, and beating degree is that 13-15SR ° slurry reaches 24-27SR ° light, slightly heavy through making beating degree, and the method that weighs three making beating is made.
6, method according to claim 4 is characterized in that the direction of slurry inflow wet end net groove in the starching process and the tangential direction that cylinder mould rotates are angle.
7, wet end of machine net groove equipment has been adopted in the manufacturing of product according to claim 1, it is characterized in that net groove side lower part stock inlet 3 and the tangential direction that cylinder mould 1 rotates are angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87104010 CN87104010A (en) | 1987-06-01 | 1987-06-01 | Regeneration polyvinyl paper substrate paper and method for making and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87104010 CN87104010A (en) | 1987-06-01 | 1987-06-01 | Regeneration polyvinyl paper substrate paper and method for making and equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN87104010A true CN87104010A (en) | 1988-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87104010 Pending CN87104010A (en) | 1987-06-01 | 1987-06-01 | Regeneration polyvinyl paper substrate paper and method for making and equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN87104010A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230306A (en) * | 2011-06-09 | 2011-11-02 | 金东纸业（江苏）股份有限公司 | Wrapping paper and manufacturing method thereof, and wrapping plate with wrapping paper and manufacturing method thereof |
-
1987
- 1987-06-01 CN CN 87104010 patent/CN87104010A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230306A (en) * | 2011-06-09 | 2011-11-02 | 金东纸业（江苏）股份有限公司 | Wrapping paper and manufacturing method thereof, and wrapping plate with wrapping paper and manufacturing method thereof |
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