CN101289786B - Production process of spun lace nonwoven fabric - Google Patents
Production process of spun lace nonwoven fabric Download PDFInfo
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- CN101289786B CN101289786B CN2008100610825A CN200810061082A CN101289786B CN 101289786 B CN101289786 B CN 101289786B CN 2008100610825 A CN2008100610825 A CN 2008100610825A CN 200810061082 A CN200810061082 A CN 200810061082A CN 101289786 B CN101289786 B CN 101289786B
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Abstract
The invention discloses a method for producing spun-laced non-woven fabrics. The method is as follows: firstly, filaments are adopted for spinning, web-forming and primary spun-lacing; secondly, the filaments are added with a wood pulp lead-in recombiner for compounding after the primary spun-lacing; thirdly, secondary spun-lacing is performed after compounding; fourthly, squeezing and drying areperformed; wood pulp is prepared on line into wet sheets by adoption of wet web-forming; the wet sheets are led into the recombiner and compounded with the filaments after the primary spun-lacing. The method has short production process flow and low equipment investment; the spinning and spun-lacing technology, the wood pulp wet web-forming technology and the spun-lacing compounding technology are effectively combined, thereby the speed is quick and the productivity is high. The filaments and the prior wood pulp are used as raw materials, and slicing, spinning and web-forming of the filamentsand web-forming of the prior wood pulp are performed, and then spun-lacing is compounded; the whole production process fully utilizes water, energy and materials and the fabrics are produced at one step, thereby the production cost is low. The products produced have the strength of the filaments, the hydroscopic property of the wood pulp and the hand feeling of staple fiber spun-laced fabrics, donot fall off flock, are easy to degrade, and are novel products of 'green and environment-friendly' compound non-woven fabrics.
Description
Technical field
The present invention relates to a kind of production method of nonwoven fabric, particularly relate to a kind of production method of spunlace non-woven cloth.
Background technology
Nonwoven fabric is a kind of fabric that does not need to spin cotton and weave cloth and form, just textile staple or long filament are carried out orientation or support row at random, form fibre net structure, adopting methods such as mechanical, hot sticky or chemistry to reinforce then forms, nonwoven fabric has been broken through traditional weaving principle, and have that technological process is short, speed of production is fast, output height, characteristics such as cost is low, purposes is wide, raw material sources are many.Wherein spunlace non-woven cloth is that to utilize pressure be that the liquid drugs injection stream directive of 3～25Mpa is layered on the online fibre web of holder, because the holder net has reflex to liquid drugs injection stream, thereby makes fiber follow the impact of current and bounce-back and moves, and making fibre web tangle mutually becomes spunlace non-woven cloth.The characteristics of its maximum are to combine complete two kinds of fibre webs of different nature, are that " flexibility " of pure physical property is compound.
There is being following several technology in China aspect the water thorn Application of composite at present:
(1) carding and wood pulp paper complex technique: it is paper to be kept flat in the spun-laced machine with the combing nonwoven fabric on unreeling stand with wood pulp paper to be combined with each other by the water thorn.
(2) carding and wood pulp air lay complex technique: it is that to form gauze with wood pulp by air lay be that the dry method of paper-making is combined with each other by the water thorn with the combing nonwoven fabric again.
(3) carding and wood pulp wet-laying complex technique: it is to make l Water Paper page or leaf and combing nonwoven fabric with wood pulp by the wet-laying technology to be combined with each other through the water thorn.
Above-mentioned several technology was used only several years in China, its objective is wood pulp fluff dimension and the method for common non-woven fabric by the water thorn are combined, the cotton that contains of improving nonwoven fabric is a wood pulp fibre content, improve water imbibition and other performance of nonwoven fabric, reduce production costs simultaneously, but above-mentioned technology still has the following disadvantages:
(1) the product brute force is low: because wood pulp fibre is short, and spunlace non-woven cloth all with short fiber by combing, become net, the flow process of water thorn again, the compound nonwoven cloth brute force of being produced is low, and is particularly laterally inadequately powerful;
(2) production cost height: buy finished paper in the wood pulp paper complex technique, making compound is that " two step method " is compound, promptly through twice oven dry, and energy consumption height, cost height; In the air lay complex technique, air lay requires height to environment and equipment, and energy consumption is big, and loss is big, and investment is big;
(3) above-mentioned technology respectively has quality, can not take into account product brute force, hygroscopicity, feel, fall suede and cost, use and to be subjected to certain limitation.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of production process of spun lace nonwoven fabric, and the product that can effectively solve existing explained hereafter can not be taken into account problems such as the brute force of product, hygroscopicity, feel.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: a kind of production process of spun lace nonwoven fabric, it is characterized in that: adopt long filament to carry out spinning, become the net and the first road water thorn, adding wood pulp importing compounding machine in water thorn back, long filament first road carries out compound, carry out the second road water thorn after compound again, carry out squezzing and oven dry at last.
Further, the continuous yarn spinning flow process is for being heated to 160～220 ℃ of temperature with the long filament section, be forced into the fluid of the molten condition of 5～20MPa, adopting screen pack 〉=200 purpose filters that the impurity in the fluid is filtered the back flows in the manifold, enter the drawing-off air channel through spinnerets spray silk, carry out the drawing-off cooling with 5～15 ℃ freezing wind, spinning was reached in 2 dawn.
Further, long filament is selected polyamide fiber polypropylene fibre PP, perhaps polyester fiber terylene PET for use.
Further, wood pulp adopts the online l Water Paper page or leaf of making of wet-laying, the l Water Paper page or leaf import compounding machine and the first road water thorn afterwards long filament carry out compoundly, need not the l Water Paper page or leaf dried and just enter next flow process, saved energy consumption.
Further, the wet-laying flow process becomes wet pulp for the wood pulp beater is carried out pulping, enters pulp storage tank, squeeze in the oblique net forming machine through stock pump, by defeated lace curtaining water is leached, by squeezing, suction, output l Water Paper page or leaf, by lace curtaining the l Water Paper page or leaf is imported the compounding machine again from the front.
Further, the water that comes out behind the first road water thorn returns water thorn water source through water treatment, and the water that comes out after described second road water thorn and the squezzing returns and is used for the wood pulp wet-laying, has made full use of water resource, and recycling does not waste, pollution-free, reduces production costs.
Further, wood pulp carries out pulping through beater and becomes wet pulp, enters pulp storage tank, squeezes in the oblique net forming machine through stock pump, by defeated lace curtaining water is leached, and by squeezing, suction, output l Water Paper page or leaf, the l Water Paper page or leaf is imported the compounding machine by lace curtaining from the front again.
Further, the first road water thorn adopts 2～3 water jets, and pressure is 3～15MPa.
Further, the second road water thorn adopts 3～5 water jets, and pressure is 3～15Mpa.
Further, bake out temperature adopts 120～150 ℃.
The present invention has adopted technique scheme, the technological process of production is short, equipment investment is low, with spinning water thorn technology, wood pulp wet-laying technology and the effective combination of water thorn complex technique, speed is fast, production capacity is high, and raw material directly becomes net and former wood pulp wet-laying with the long filament slice spinning, composite spunlaced again, whole process of production makes full use of water, energy, material, and " one-step method " produces, and production cost is low.The product of being produced, the advantage of three kinds of technology is demonstrated fully out, long fine intensity is arranged, the hygroscopicity of wood pulp, the feel of short fiber spun laced fabric, and do not fall flock, easily degraded, simultaneously by online thermoforming, technologies such as online arrangement, can produce the compound nonwoven cloth of various patterns, various functions again, improving value-added content of product, therefore have vast market in fields such as cleaning wiping cloth, filtering material, oil absorption material, household, medical, personal hygienes, is the compound nonwoven cloth new product of " environmental protection ".
Description of drawings
The invention will be further described below in conjunction with accompanying drawing:
Fig. 1 is the flow chart of a kind of production process of spun lace nonwoven fabric of the present invention.
The specific embodiment
A kind of production process of spun lace nonwoven fabric, polyamide fiber polypropylene fibre PP or polyester fiber terylene PET section are sent into hopper by Material sucking machine, enter screw extruder, section is heated to 160～220 ℃ of temperature, be forced into the fluid of the molten condition of 5～20MPa, adopting screen pack 〉=200 purpose filters that the impurity in the fluid is filtered the back flows in the manifold, enter the drawing-off air channel through spinnerets spray silk, carry out the drawing-off cooling with 5～15 ℃ freezing wind, spinning was reached in 2 dawn, spun long filament arrives lapper with the speed of＞5000m/min, is paved into uniform long filament random web.Export continuously by defeated lace curtaining, prewet through the sparge pipe water spray, enter spun-laced machine and carry out the first road water thorn, this spun-laced machine adopts 2～3 water jets, pressure is 3～15MPa, make the long filament netting gear that certain entanglement power be arranged behind the first road water thorn, the water that comes out behind the first road water thorn returns water thorn water source through water treatment.Wood pulp carries out pulping through beater simultaneously becomes wet pulp, enter pulp storage tank, squeeze in the oblique net forming machine through stock pump, by defeated lace curtaining water is leached, again by squeezing, suction, output l Water Paper page or leaf, from the front by lace curtaining the l Water Paper page or leaf is imported the compounding machine, carry out superimposed with the long filament net of bringing behind the first road water thorn, after the pressing, enter the second road water thorn again, this spun-laced machine adopts 3～5 water jets, and pressure is 3～15MPa, through squezzing, the water that comes out after the second road water thorn and the squezzing returns and is used for the wood pulp wet-laying, when the water that returns to wet-laying in water source when having surplus to have more, can return through water treatment and make water thorn water source, be 120～150 ℃ in temperature at last and dry down, HEAT SETTING goes out various patterns, batches, cut and get final product.
Claims (7)
1. production process of spun lace nonwoven fabric, it is characterized in that: adopt long filament to carry out spinning, become the net and the first road water thorn, add wood pulp in water thorn back, long filament first road, described wood pulp adopts the online l Water Paper page or leaf of making of wet-laying, the l Water Paper page or leaf imports compounding machine and water thorn back, first road long filament carries out compound, carry out the second road water thorn after compound again, carry out squezzing and oven dry at last, the water that comes out behind the described first road water thorn returns water thorn water source through water treatment, and the water that comes out after described second road water thorn and the squezzing returns and is used for the wood pulp wet-laying.
2. production process of spun lace nonwoven fabric according to claim 1, it is characterized in that: the continuous yarn spinning flow process is for being heated to 160～220 ℃ of temperature with the long filament section, be forced into the fluid of the molten condition of 5～20MPa, adopting screen pack 〉=200 purpose filters that the impurity in the fluid is filtered the back flows in the manifold, enter the drawing-off air channel through spinnerets spray silk, carry out the drawing-off cooling with 5～15 ℃ freezing wind, spinning was reached in 2 dawn.
3. production process of spun lace nonwoven fabric according to claim 1 and 2, its production technology: described long filament is selected polyamide fiber polypropylene fibre PP, perhaps polyester fiber terylene PET for use.
4. production process of spun lace nonwoven fabric according to claim 1, it is characterized in that: the wet-laying flow process becomes wet pulp for the wood pulp beater is carried out pulping, enter pulp storage tank, squeeze in the oblique net forming machine through stock pump, by defeated lace curtaining water is leached, by squeezing, suction, output l Water Paper page or leaf, by lace curtaining the l Water Paper page or leaf is imported the compounding machine again from the front.
5. production process of spun lace nonwoven fabric according to claim 1, its production technology: the described first road water thorn adopts 2～3 water jets, and pressure is 3～15MPa.
6. production process of spun lace nonwoven fabric according to claim 1, its production technology: the described second road water thorn adopts 3～5 water jets, and pressure is 3～15Mpa.
7. production process of spun lace nonwoven fabric according to claim 1, its production technology: described bake out temperature adopts 120～150 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100610825A CN101289786B (en) | 2008-04-29 | 2008-04-29 | Production process of spun lace nonwoven fabric |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100610825A CN101289786B (en) | 2008-04-29 | 2008-04-29 | Production process of spun lace nonwoven fabric |
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| CN101289786A CN101289786A (en) | 2008-10-22 |
| CN101289786B true CN101289786B (en) | 2011-01-26 |
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| CN2008100610825A Expired - Fee Related CN101289786B (en) | 2008-04-29 | 2008-04-29 | Production process of spun lace nonwoven fabric |
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Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493129A (en) * | 2011-11-14 | 2012-06-13 | 成都彩虹环保科技有限公司 | Manufacture device for non-woven fabric including multi-component fibers |
| CN103088553A (en) * | 2013-01-21 | 2013-05-08 | 苏州美森无纺科技有限公司 | Degradable bio-fiber wiping material and preparation method thereof |
| CN103129060B (en) * | 2013-03-18 | 2015-04-15 | 浙江金三发非织造布有限公司 | Spunbonded wood pulp paper composite non-woven cloth and production process thereof |
| CN103437068B (en) * | 2013-08-07 | 2016-08-31 | 杭州诺邦无纺股份有限公司 | High flexibility non-woven fabrics and manufacture method thereof |
| CN103417304A (en) * | 2013-08-08 | 2013-12-04 | 嘉兴君泰医用辅料有限公司 | Medical operation towel and preparing method thereof |
| CN103590193B (en) * | 2013-11-11 | 2015-07-29 | 杭州创蓝无纺布有限公司 | Wet method spunlace non-woven cloth process units and technique thereof |
| CN104389109B (en) * | 2014-10-22 | 2016-10-19 | 福建南纺有限责任公司 | A kind of composite water-spurt non-woven cloth and preparation method thereof |
| CN104890339B (en) * | 2014-12-29 | 2017-04-19 | 杭州协业超纤有限公司 | Wet-process composite cloth device and method for producing composite cloth |
| CN105055178A (en) * | 2015-07-24 | 2015-11-18 | 常熟市亿美达无纺科技有限公司 | Production process of efficient moisturizing tensile mask paper |
| CN106192601B (en) * | 2016-08-26 | 2018-07-13 | 超美斯新材料股份有限公司 | High intensity aramid paper and preparation method thereof |
| CN106906570A (en) * | 2017-03-13 | 2017-06-30 | 浙江洁诺新材料有限公司 | Spunlace non-woven cloth and its manufacture method |
| CN106996054A (en) * | 2017-03-22 | 2017-08-01 | 仙鹤股份有限公司 | A kind of production method of wood pulp hydro-entangled composite non-woven fabric paper |
| CN107385674A (en) * | 2017-07-20 | 2017-11-24 | 石家庄天略工业用布有限公司 | A kind of decolouring filter paper and preparation method thereof |
| CN109487432A (en) * | 2018-11-13 | 2019-03-19 | 浙江宝仁无纺制品有限公司 | A kind of production technology of PP wood pulp composite wiping cloth |
| CN111688305A (en) * | 2019-03-11 | 2020-09-22 | 北京同仁堂保康科技有限公司 | Method for preventing all-cotton knitted fabric from curling |
| CN110820167A (en) * | 2019-11-29 | 2020-02-21 | 山东冠骏清洁材料科技有限公司 | Production process of functional PP wood pulp spunlace composite cloth |
| CN113584714B (en) * | 2021-06-22 | 2023-07-25 | 南通通州江华纺织有限公司 | Wood pulp composite non-woven fabric, production process and production line thereof |
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