CN1313666C - Method for producing single component spun-bonded-needle punched, spun-bonded-hot rolled non-woven fabric - Google Patents
Method for producing single component spun-bonded-needle punched, spun-bonded-hot rolled non-woven fabric Download PDFInfo
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Abstract
The present invention relates to a method for producing single component spunbonded needle punched spunbonded hot rolled non-woven fabric. The present invention relates to a process flow that slice resin is extruded by a drying screw extruder, the slice resin is sprayed into filaments from a filament spraying board by a filter spinning machine, and the filaments are cooled down by side blown wind. After pipeline airflow traction, the filaments are swayed by a sway machine, a fiber net is formed on a net forming machine, and the net forming machine has bidirectional cloth running; the fiber net is outputted to a needle machine to carry out needle punched consolidation, the fiber net can also be outputted to a hot-rolling mill to carry out hot rolling consolidation, and a spunbonded needle punched and spunbonded hot rolling product is made by respective tensile force regulation, edge cutting and coiling. Devices and conditions at steps of a process are adjustable, the production line can produce a spunbonded needle punched and spunbonded hot rolled product of a plurality of raw materials, and the present invention is suitable for producing PET and PP spunbonded needle punched and spunbonded hot rolled products. The present invention has the advantages of high efficiency and low energy consumption, and the investment and management expenses of items, such as devices, constructions, etc. are reduced. The present invention has the protruded characteristics of multiple function and low cost.
Description
Technical field
What the present invention relates to is the technical field of being made bondedfibre fabric by long filament, the production method of particularly a kind of Spunbond needling of single-component, spun-bonded hot rolling nonwoven fabric
Background technology
Spun-bond process is a kind of nonwoven process technology that is suitable for large-scale production, and the production line of Largi (moral), Reifenhauser (moral), STP major companies such as (meanings) was sold over one hundred before 1999.1999---a production line surplus developed countries such as 2000 Nian Mei just set up ten.China just had 27 production lines in 1998, " the Seventh Five-Year Plan ", " eight or five ", the enforcement period of the ninth five-year plan China's development have also improved some production lines, and the breakthrough that in some key equipments, has, as the relevant screw extruder (ZL94228402.X) of Gao Yusheng invention, the manifold of non-weaving cloth (ZL99223642.8) etc. makes the production technology of China's non-weaving cloth that very big progress arranged.
Spunbond product mainly contains acupuncture and two kinds of consolidation methods of hot rolling, and the most frequently used raw material is that (polypropylene fibre, PP), polyethylene (PE) also is used less just like polyamide (PA6 and PA66), polysulfones synthetic fibre (PSA) etc. polypropylene polyester (terylene, PET) certainly.Normally a kind of raw material (at most similar two kinds) is produced on a production line, is hot-rolled product or is needled product.Produce the spun-bonded hot rolling non-weaving cloth and Spunbond is to need 4 production lines as commonly used raw material PET, PP, promptly a few days ago on a production line spun-bonded hot rolling of production plurality of raw materials and spun-bonded needle punched product impossible.
Summary of the invention
Deficiency at the prior art existence, the present invention aims to provide cover multi-functional production line and a supporting production technology, spun-bonded needle punched, spun-bonded hot rolling non-weaving cloth that can production plurality of raw materials resin (as PET, PP, PE, PA6, PBT etc.) single component filaments on this production line.
Production line of the present invention is that the unit that will produce the spun-bonded needle punched and spun-bonded hot rolling of different material carries out more scientific and rational combination, and uses advanced unit, forms this multi-functional production line.Process route is to be that raw material directly becomes cloth with the resin slicer.Its technological process be resin section after drying (the PP end wants dry) enter screw extruder 1, under heating and melting, extrude, through entering spinning machine 3 after filter 2 filtrations, pore ejection filament in manifold on spinnerets, blow down cooling back cooling curing and enter chimneying drafting system 5 in lateral blowing device 4 apoplexy, its drawing-off is become thinner tow, be layered on equably through wire oscillator 6 on the lace curtaining of lapper 7 and form fibre web.This lapper is bifunctional, and it walks cloth is two-way; Both fibre web output can be sent into pre-needling machine 8, again through main needing machine 9, tension adjustment machine 10, side cut lapper 11 production Spunbond; Also fibre web output can be sent into hot-rolling mill 12, under two roller hot pressing, produce the spun-bonded hot rolling non-weaving cloth through tension adjustment machine 13, lapper 14 again.This shows that common production spun-bonded needle punched, the spun-bonded hot rolling non-weaving cloth at present all can be implemented on this line.
Unit on this production line of the present invention can be with known.General spun-bonded non-woven production equipment comprises that those are adjustable, can satisfy the equipment of required process conditions.And select following unit better effects if for use:
(1) screw extruder.The screw extruder made from the patented technology (ZL94228402.X) of having authorized is a preferred equipment.Its plasticizing quality is good, and bath movement viscosity is even, and the extrusion capacity maximum can reach 750kg/h (adjustable); Head pressure is at 6-15MPa during work, filter back pressure is 6-10MPa, voltage-controlled precision ± 0.1-0.2MPa (the following pressure that abbreviates as is that 6-10 ± 0.1-0.2MPa operating temperature is 100-320 ℃ accuracy of temperature control ± 0.5-1 ℃, below can abbreviate operating temperature 100-320 ± 0.5-1.0 ℃ as).With screw extruder on the production line now relatively its production efficiency improve 18-38 ℃, and energy consumption reduces 10-15%.
(2) spinning machine.The manifold made from the patented technology (ZL-99223642.8) of having authorized is a preferred equipment.Every case two row's silks, the distance of positions 60-140mm of same row's filament spinning component, 64-136 position; Operating pressure (15-25) ± (0.1-0.2) MPa, operating temperature (180-300) ± (0.5-1.0) ℃, the spinnerets in the filament spinning component can be changed, and its physical dimension is identical, but the hole count difference, hole count is 24-96f.Its major technique characteristics are that the distance of positions is little, and it is many to spin the position, and filament spinning component is that duplicate rows is arranged, double-side operation, and down-mounting type does not have leakage.It is low also to have energy consumption in addition, and homogeneous heating, no dead angle guarantee that flow, the temperature uniformity of the melt of each spinning station in the unit interval, melt arrive time of each filament spinning component porch and pressure and fall and be consistent.
(3) crosswind blowing apparatus.This device adapts to spinning machine structure and is provided with, i.e. combined type, double silk, the lateral blowing device of double-side operation.The technology air-supply, wind-warm syndrome 13.0-22.0 ℃, rheumatism 7 ± 3%, air channel static pressure 500-600Pa, voltage-controlled precision ± 10Pa.The environment air-supply, wind-warm syndrome 18-24 ℃, rheumatism 70-90%.
(4) chimneying drafting system.This device is again to adapt to the structure of spinning machine (case) and be provided with.Tow process speed 3000-5500m/min during air drawing can be regulated by the pressure that compressed air enters drafting tube, between 0.4-0.6Mpa.Each drafting tube air demand 0.40-0.60m
3/ min, feed air temperature 20-40 ℃.Tolerance and pressure that this device will keep entering each drafting tube are wanted uniformity, make the fiber number and the fine power uniformity of monofilament.
(5) wire oscillator.This device also is the setting that adapts to the structure of spinning machine (case).Be a kind of combined type, two plate swinging structures guarantee that pendulum wire is even, do not have and pile up, and no dead angle, and pendulum wire frequency, the amplitude of oscillation and adjustable height all can be regulated.
(6) lapper.The Chinese patent of having applied for (application number 03284501.4) is seen accompanying drawing 2.This equipment also is to be suitable for the structure of spinning machine (case) and to be provided with.The process speed of walking cloth is that 2-120m/min is adjustable, and it is two-way adjustable particularly walking the cloth direction: both can walk cloth production Spunbond to the needing machine direction.Also can walk cloth and produce the spun-bonded hot rolling non-weaving cloth to the hot rolling direction.
(7) needing machine.Because acupuncture and main acupuncture two parts, be twin shaft single needle plate, pre-needling and main acupuncture are respectively from top to bottom and following direction acupuncture action, bestock 4000-5000 pin/m, pin is controlled 1000-1500 time/min frequently, the adjustable-speed of outlet roller (2-12m/min), acupuncture traverse 30-60mm, depth of needling 7-12mm all can regulate.
(8) hot-rolling mill.Roller temperature 100-300 ℃, roll x wire pressure is 4-12Mpa, and output speed 10-120m/min all can regulate.
From above unit function, at first be supporting, be based on spinning machine basically, complete outfit can make full use of capacity of equipment, adapt to different material.The function of these equipment all can regulate and control in addition: as temperature, pressure, the extrusion capacity of screw extruder; The hole count of the temperature of spinning machine, pressure and nozzle aperture; Air quantity in the lateral blowing device, wind-warm syndrome, pressure; Air drawing process speed, air pressure in the chimneying drafting system; The pendulum wire frequency of wire oscillator, the amplitude of oscillation and swing height; Lapper walk cloth speed and direction; Needing machine bestock, pin frequency, outlet roller speed; The various requirement of all visual product variety such as roller temperature, x wire pressure and output speed and specification is regulated its process conditions in the hot-rolling mill, and its adaptive capacity is stronger.
Multiple resin, as polyester (PET, PBT), polypropylene (PP), polyethylene (PE) can be on this production line with polyamide (PA) etc., according to the characteristic of resin, adjusting process condition, the spun-bonded needle punched and spun-bonded hot rolling non-weaving cloth of production different cultivars on demand.Be particularly useful for PET, PP resin.
It is spun-bonded needle punched to utilize the PET resin to produce, and the process conditions of spun-bonded hot rolling non-weaving cloth are controlled to be:
Screw extruder: extrusion capacity 210-650kg/h, operating temperature 250-310 ℃, accuracy of temperature control ± 0.5-1.0 ℃; Filter back pressure 6-10MPa during work, voltage-controlled precision ± 0.1-0.2MPa.
Spinning machine: double silk, 36-136 position is 96f when spinnerets hole count 24-96f, hot rolling production technology; Be 36f during the acupuncture production technology, operating temperature is 288-295 ℃, accuracy of temperature control ± 0.5-1 ℃, and filament spinning component operating pressure 15-25MPa.
The crosswind blowing apparatus: 22 ± 0.5 ℃ of wind pushing temperatures, other are with the technology master control.
Air draft equipment: compressed air enters the pressure 0.5-0.6Mpa of drafting tube, each drafting tube air demand 0.55-0.60m
3/ min, tow process speed 5000-5500m/min during drawing-off, feed air temperature 20-40 ℃.
Lapper: can be two-way walk cloth, walk cloth speed and weight per unit area (grammes per square metre/rice
2) relevant with after-processing technology (hot rolling or acupuncture), in general, hot rolling processing technology, its grammes per square metre 15-230g/m
2The time to walk cloth speed speed be 92-9m/min; If the acupuncture processing technology, its grammes per square metre 100-800g/m
2The time to walk cloth speed be 9-3m/min; Its needling process is identical as previously mentioned with hot rolling technology.
The acupuncture hot rolling technology as previously mentioned together.
Utilize the PP resin to produce the spun-bonded needle punched of PP, the process conditions of spun-bonded hot rolling non-weaving cloth are controlled to be:
Screw extruder: extrusion capacity 140-435kg/h, operating temperature (180-260) ± 1 ℃, filter back pressure (6-9) ± 0.2MPa.
Spinning machine: double silk, 36-136 position, spinnerets hole count 24-96f, hot rolling technology 96f, needling process 24-36f, operating temperature 180-250 ℃, operating pressure (15-25) ± (0.1-0.2) MPa.
The lateral blowing device: the technology wind pushing temperature requires≤15 ℃, is advisable with 13-15 ℃.
Air draft equipment: compressed air enters the pressure 0.4-0.6MPa of drafting tube, each drafting tube air demand 0.45-0.60m/min, tow process speed 3000-4000m/min during drawing-off, feed air temperature 20-40 ℃.
Lapper technology and the described acupuncture of above-mentioned PET, hot rolling technology are as previously mentioned.
Compared with prior art, outstanding feature of the present invention is with many of prior aries synthetic multi-functional production line of product line group independently, can produce spun-bonded needle punched and spun-bonded hot rolling non-weaving cloths dissimilar, a plurality of kinds on such production line, this is what the producer of any now production like product can't be by comparison.This production line has adopted state-of-the-art technology to make its technological process short, the total system compactness, high efficiency, low energy consumption and can reduce and reduce in addition as equipment investment, soil and expenses such as construction investment, enterprise staff, lower cost can make its production economic benefit be significantly improved, thereby has further strengthened strain and the competitiveness that adapts to market demand.
Description of drawings:
Accompanying drawing 1 is multi-functional Spunbond needling of single-component, spun-bonded hot rolling non-weaving cloth production procedure schematic diagram.Wherein 1 is screw extruder, and 2 is filter, and 3 is spinning machine, 4 is the lateral blowing device, and 5 is the chimneying drafting system, and 6 is wire oscillator, 7 is lapper, 8 is pre-needling machine, and 9 is main needing machine, and 10 is the tension adjustment machine, 11 is lapper, 12 is hot-rolling mill, and 13 is the tension adjustment machine, and 14 is lapper.
Accompanying drawing 2 is the two-way lapper schematic diagram of walking cloth.Wherein 1 is fibre web, and 2 is lace curtaining, and 3 is live-roller, and 4 are the heat roller that keeps out the wind, but 5 is the drive roll of forward and backward, and 6 is idler roller, and 7 are the air draught district, and 8 is deviation correcting device.
The specific embodiment:
Following example all can be implemented on a production line
Example 1
Produce the PET Spunbond.
Product specification: amplitude 5.4m, grammes per square metre 300g/m
2, filament number 4.44dtex, production scale: 5000T/y.
During production lapper is moved towards to transfer to enter the pre-needling machine direction.Technological process: in accompanying drawing 1, the PET section enters screw extruder after drying, and---filter------------------------main needing machine is put in storage pre-needling machine lapper wire oscillator the chimneying drawing machine lateral blowing device spinning machine by tension adjustment machine---side cut lapper---finished product.Each step process condition:
Drying machine: drying capacity 800kg/h, dry back section moisture content 30PPm.
Screw extruder: extrusion capacity 650kg/h, filter back pressure 9 ± 0.15MPa, extrusion temperature is 290 ± 1 ℃.
Spinning machine: 1 of manifold, 136 positions of two row's silks, the nozzle aperture number is 36f, operating temperature is 295 ± 1 ℃, operating pressure 15-25MPa.
Lateral blowing device: technology air-supply, 22 ± 0.5 ℃ of wind-warm syndrome, rheumatism 7 ± %, air channel static pressure 550 ± 10Pa, environment air-supply, wind-warm syndrome 18-24 ℃, rheumatism 70-90%.
The chimneying drafting system: 136 covers, it is 0.5Mpa that compressed air enters drafting tube pressure, the air demand of each drafting tube is 0.55m
3/ min, feed air temperature are 39 ± 1 ℃, tow process speed 5000m/min.
Wire oscillator: 1 cover
Lapper: working width 5600mml platform, walking cloth speed is 7m/min, walking the cloth direction is directly to provide fibre web to needing machine.
Needing machine: pre-needling links to each other with main needing machine, and needle plate is a twin shaft single needle plate, working width 5600mm, and bestock is 4500 pins/m, 1200 times/min of punch frequency, the acupuncture traverse: pre-needling machine is 50mm, main needing machine is 40mm, depth of needling; Pre-needling 10mm, main acupuncture 7mm, the acupuncture form: pre-needling is a last thorn formula (from top to bottom), and main acupuncture is following thorn formula (from bottom to top), and it is 8m/min that outlet roller is walked cloth speed.
Tension adjustment machine: the tension force of regulating non-weaving cloth automatically.
Lapper: rolling speed 8m/min, working width 5600mm, paper tube Φ 76mm, package maximum gauge 1000mm.
Example 2
Produce the spunbond pin hot rolling of PET non-weaving cloth.
Product specification: fabric width 5.2m, grammes per square metre 150g/m
2, filament number 1.66dtex, production capacity: with 150g/m
2Meter 5000T/y.
During production lapper is moved towards to transfer to enter the hot-rolling mill direction.Technological process: section enters screw extruder after drying as the PET in the accompanying drawing 1, and---filter---------------------hot-rolling mill is put in storage lapper wire oscillator the chimneying drafting system lateral blowing device spinning machine by tension adjustment machine---lapper---cutting machine finished product.Each step process condition, identical with example 1, have only following equipment and condition to change:
1, the hole count of the spinnerets of manifold is 96f in the weaving loom.
2, walk cloth speed 13.6m/min in the lapper, walking the cloth direction is directly to provide fibre web to hot-rolling mill.
3, hot-rolling mill is 1: working width 5.4m, roller surface 250-270 ℃, x wire pressure 10MPa, roll output speed 16.5m/min.
4, rolling maximum gauge 600mm.
Example 3
Produce the PP Spunbond.
Product specification: fabric width 5.4m, grammes per square metre 300g/m
2, filament number 4.44dtex, production capacity: 3200T/y.
During production lapper being walked the cloth direction transfers to and makes fibre web directly enter the pre-needling machine direction.Process conditions control: 1 screw extruder: extrusion capacity is 420kg/h, 256 ± 1 ℃ of operating temperatures; Filter back pressure 9 ± 0.2MPa.
2, spinning machine: the spinnerets hole count is 36f, double silk, 136 positions, operating pressure 20 ± 0.2MPa, 250 ± 1 ℃ of operating temperatures.
3, lateral blowing: other are with example 1 except that wind-warm syndrome requires 13 ± 0.5 ℃.
4, chimneying drafting system: air enters the pressure 0.4MPa of drafting tube, every drafting tube air demand 0.45m
3/ min, tow process speed 3500m/min during drawing-off, other are as example 1.
5, wire oscillator: as example 1.
6, lapper: walk cloth speed 4m/min, other are as example 1.
7, needing machine: walking cloth speed is 4.9m/min, and other are as example 1.
8, tension adjustment and rolling are like example 1.
Example 4
Produce PP spun-bonded hot rolling non-weaving cloth.
Product specification: fabric width 5.2m, grammes per square metre 100g/m
2, filament number 1.5dtex, production capacity: 3200T/y.
During production the lapper trend is transferred to the hot-rolling mill direction.Technological process such as example 2.
Process conditions control: except that following condition transformation, other are identical with example 3.
1, the hole count of spinning machine spinnerets is 96f.
2, walk cloth speed 12.6m/min in the lapper.
3, hot-rolling mill: working width 5.400m, 145 ± 1 ℃ of roller surface temperature, x wire pressure 8MPa, roll output speed 15.30m/min.
Example 5
Produce PE spun-bonded hot rolling non-weaving cloth.
Product specification: fabric width 5.2m, grammes per square metre 110g/m
2, filament number 1.66dtex, production capacity: 3000T/y.
During production lapper is moved towards direction and transfer to the hot-rolling mill input port.Technological process is with example 2.Process conditions control is except that following change to some extent, and other are as example 3.
1, screw extruder work is 180 ± 1 ℃.
2, spinning machine: 170 ± 1 ℃ of operating temperatures.
3, lapper: walk cloth speed 10.7m/min.
4, hot-rolling mill: walk cloth speed 12.9m/min
Example 6
The production of PET Spunbond
Technological process such as example 1, process conditions are except that following changing, and other and example 1 are together
Screw extruder: extrusion capacity 500kg/h.
Spinning machine: 128 positions of double silk, spinnerets hole count 24f.
Lapper: carry web speed 5m/min to needing machine.
Product amplitude 5.4, grammes per square metre 350g/m
2, filament number 4.00dtex.
Example 7
The production of PET spun-bonded hot rolling non-weaving cloth.
Technological process such as example 2, process conditions are except that following condition changes, and with example 1, lapper reaches thereafter example 2 strictly according to the facts before other lappers.
Screw extruder: extrusion capacity 600kg/h.
Spinning machine: 128 positions of double silk, spinnerets hole count 72f.
Product amplitude 5.2, grammes per square metre 135g/m
2, filament number 1.66dtex.
Claims (4)
1, a kind of production method of one pack system spun-bonded non-woven is characterized in that, can produce the spun-bonded needle punched of different resins on a production line, the spun-bonded hot rolling non-weaving cloth; Its technological process is: the resin section enters screw extruder (1) after drying and melt extrudes, be sprayed into filament through filter (2) filtration and the spinneret hole in spinning machine (3), become more filaments bundles through crosswind blowing apparatus (4) wind cooling curing, chimneying drafting system (5) drawing-off, by wire oscillator (6) its pendulum being delivered on the lapper (7) becomes fibre web; The cloth direction of walking of lapper is two-way adjustable, and it is fixed through main needing machine (9) acupuncture more both fibre web can be delivered directly to pre-needling machine (8), again through tension adjustment machine (10), side cut lapper (11) and make Spunbond; Fibre web can be delivered directly to hot-rolling mill (12) hot rolling again after tension adjustment machine (13), lapper (14) make the spun-bonded hot rolling non-weaving cloth;
Described different resin is one of in polyester, polypropylene, polyethylene, the polyamide.
2, according to the production method of the described spun-bonded non-woven of claim 1, it is characterized in that described technological process, its control of process condition scope that respectively goes on foot operation is:
(1) screw extruder: extrusion capacity is adjustable, and maximum can reach 750kg/h, and filter back pressure is (6-10) ± (0.1-0.2) MPa during work, operating temperature (100-320) ± (0.5-1.0) ℃;
(2) spinning machine: each manifold is double silk, the distance of positions 60-140mm of same row's filament spinning component, 64-136 position, operating pressure (15-25) ± (0.1-0.2) MPa, operating temperature (180-300) ± (0.5-1.0) ℃, spinnerets hole count 24-96f, spinnerets is replaceable;
(3) lateral blowing device: technology air-supply, wind-warm syndrome 13.0-22.0 ℃, rheumatism 7 ± 3%, air channel static pressure (500-600) ± 10Pa; The environment air-supply, wind-warm syndrome 18.0-24.0 ℃, rheumatism 70-90%;
(4) chimneying drafting system: tow process speed 3000-5500m/min during air drawing, compressed air enters drafting tube pressure 0.4-0.6MPa, each drafting tube air demand 0.40-0.60m
3/ min, feed air temperature 20-40 ℃;
(5) wire oscillator: combined type, two plate pendulum structures, pendulum wire frequency, the amplitude of oscillation and adjustable height all can be regulated on demand;
(6) lapper: it is two-way adjustable to walk cloth, process speed 2-120m/min, and process speed is adjustable;
(7) needing machine: pre-, main needling direction is opposite, bestock 4000-5000 pin/m, and pin is 1000-1500 time/min frequently, outlet roller speed 2-12m/min, acupuncture traverse 30-60mm, depth of needling 7-12mm;
(8) hot-rolling mill: 100-300 ℃ of roller surface temperature, its x wire pressure 4-12MPa, output speed 10-120m/min.
3, according to the production method of claim 1 or 2 described spun-bonded non-wovens, it is characterized in that the spun-bonded needle punched of polyester, the control range of spun-bonded hot rolling nonwoven process condition is:
(1) screw extruder: extrusion capacity 210-650kg/h, operating temperature (250-310 ℃) ± (0.5-1.0), filter back pressure (6-10) ± (0.1-0.2) MPa;
(2) spinning machine: double silk, 36-136 position, the spinnerets hole count: the 24-96f needling process is 36f when producing, and is 96f during hot rolling technology production, operating temperature (288-295) ± 1 ℃, operating pressure 15-25MPa;
(3) lateral blowing device: 22 ± 0.5 ℃ of the wind-warm syndrome of technology air-supply;
(4) chimneying drafting system: compressed air enters drafting tube pressure 0.5-0.6Mpa, each drawing-off air demand 0.55-0.60m
3/ min, tow process speed 5000-5500m/min during air drawing;
(5) lapper: the grammes per square metre of non-weaving cloth is 100-800g/m when producing with needling process
2The time walk cloth speed 9-3m/min; The nonwoven fabric grammes per square metre is 15-230g/m when producing with hot rolling technology
2, it walks cloth speed 92-9m/min.
4,, it is characterized in that polyacrylic control range spun-bonded needle punched, spun-bonded hot rolling nonwoven process condition is according to the production method of claim 1 or 2 described spun-bonded non-wovens:
(1) screw extruder: extrusion capacity 140-435kg/h, operating temperature (180-260) ± 1 ℃, filter back pressure (6-9) ± 0.2Mpa;
(2) spinning machine: double silk, 36-136 position, spinnerets hole count (24-96) f ± 1: needling process is 24-36f when producing, and is 32-96f during hot rolling technology production, operating temperature (180-250) ± 1 ℃;
(3) lateral blowing device: wind-warm syndrome 13-15 ℃ of technology air-supply;
(4) chimneying drafting system: compressed air enters drafting tube pressure 0.4-0.6Mpa, each drawing-off air demand 0.45-0.60m
3/ min, tow process speed 3000-4000m/min during air drawing;
(5) lapper: the heavy 100-800g/m of non-weaving cloth when producing with needling process
2The time walk cloth speed 9-3m/min; Non-woven amount is 15-230g/m when producing with hot rolling technology
2, it walks cloth speed 92-9m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031341853A CN1313666C (en) | 2003-08-25 | 2003-08-25 | Method for producing single component spun-bonded-needle punched, spun-bonded-hot rolled non-woven fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031341853A CN1313666C (en) | 2003-08-25 | 2003-08-25 | Method for producing single component spun-bonded-needle punched, spun-bonded-hot rolled non-woven fabric |
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| CN1492093A CN1492093A (en) | 2004-04-28 |
| CN1313666C true CN1313666C (en) | 2007-05-02 |
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| CNB031341853A Expired - Fee Related CN1313666C (en) | 2003-08-25 | 2003-08-25 | Method for producing single component spun-bonded-needle punched, spun-bonded-hot rolled non-woven fabric |
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| CN101775705B (en) * | 2009-12-29 | 2011-04-27 | 东华大学 | Manufacture method of biodegradable non-woven material |
| CN102776710A (en) * | 2012-05-24 | 2012-11-14 | 温州博益机械有限公司 | Nylon spun-bonded filament non-woven fabric and preparation method thereof |
| CN102787449A (en) * | 2012-07-25 | 2012-11-21 | 浙江华昊化纤塑业有限公司 | Method for producing non-woven fabric |
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| CN1492093A (en) | 2004-04-28 |
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Assignee: Dalian Synthetic fibre Inst., Co., Ltd. Assignor: Jing Xiaoan|Gao Yusheng|Chen Hefu|Yan Junsheng|Gao Zhiyong Contract fulfillment period: 2008.11.25 to 2014.11.24 contract change Contract record no.: 2008210000089 Denomination of invention: Method for producing single component spun-bonded-needle punched, spun-bonded-hot rolled non-woven fabric Granted publication date: 20070502 License type: Exclusive license Record date: 20081211 |
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