CN110373810A - Jute staple fiber reuse method - Google Patents
Jute staple fiber reuse method Download PDFInfo
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- CN110373810A CN110373810A CN201910672672.XA CN201910672672A CN110373810A CN 110373810 A CN110373810 A CN 110373810A CN 201910672672 A CN201910672672 A CN 201910672672A CN 110373810 A CN110373810 A CN 110373810A
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- Prior art keywords
- needle
- roller
- staple fiber
- jute
- speed
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Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G13/00—Mixing, e.g. blending, fibres; Mixing non-fibrous materials with fibres
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/425—Cellulose series
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4282—Addition polymers
- D04H1/4291—Olefin series
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/48—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation
- D04H1/485—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation in combination with weld-bonding
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C11/00—Teasing, napping or otherwise roughening or raising pile of textile fabrics
Abstract
The invention discloses a kind of jute staple fiber reuse methods, and fire retardant nonwoven fabric is made in jute staple fiber；Preparation method includes the following steps condition: a. and material: jute staple fiber and 4080 low melting point polypropylene fibers are shaken loose feeding and material machine and material；B. big storehouse mixing；C. shredding；D. it is fed and combs；E. lapping and charging；F. middling speed pre-needling；G. the middling speed thorn of falling needle；H. the main needle thorn of middling speed；I. hot pressing roller is dried；J. fire retardant is sprayed；K. plucking is coiled.Jute staple fiber can be processed into fire retardant nonwoven fabric by method of the invention, to meet the product performance demands that steel bar in steel bar process ties up gasket.
Description
Technical field
The present invention relates to a kind of tossa processing method, in particular to a kind of jute staple fiber reuse method.
Background technique
For a long time, it is using long spinning process route that jute textile process, which is limited to operational characteristic all,.General jute weaving adds
The staple fiber that 5-10% can not be back to use this production line can be all generated during work, the general length of this jute staple fiber is 4-8
Centimetre.
Currently, these jute staple fibers can only simple process, cannot effectively recycle.It was in the past usually by clear fine work
Sequence, the first class fiber crops ash being separated into based on staple fiber and the second class fiber crops ash based on ash content, first class fiber crops ash is usually and its is cheap
Price sell to building trade plastering wall；Second class fiber crops ash is used for boiler oil.But present building trade deactivated first class
Numb ash；Environmental protection administration is also harsh to boiler supervision, generally all in stoppage in transit state, does not use second class fiber crops ash.So, yellow
The staple fiber generated during flax spinning can only regard incineration treatment of garbage, still, increase freight charges and processing cost again.Cause
This, the puzzlement for being treated as jute textile enterprise of jute staple fiber.
The enterprise that applicant weaves as a long campaigns jute, the processing for studying jute staple fiber always, which utilizes, asks
Topic.
It has been found that the steel bar typical temperature come out from high temperature steel stove is at 200 DEG C when steel industry processing package steel bar
Left and right, package steel bar is generally uniformly tied up with four room temperature steel bars along camber line, because steel bar is in high temperature, is tied up and be will cause steel bar bundle
Trace and damage, so, generally using chemical fibre gasket cladding tie up.For a long time, therefore change that large-scale steel bar is discarded using enterprise
Fine gasket accumulated number is surprising, and the processing cost of discarded chemical fibre gasket is high and causes very big financial burden, and therefore, steel bar adds
Work enterprise is all being sought using environment-friendly type gasket.
And jute is a kind of natural fiber that can be degradable, if being processed into non-woven fabrics using jute staple fiber, then is passed through
Feature of environmental protection flame retardant treatment is crossed, is fully able to meet the product performance demands that steel bar in steel bar process ties up gasket.In this way, not
Needed for only can solve steel bar processing enterprise, moreover, can solve at the jute staple fiber of long-standing problem jute textile enterprise again
Reason utilizes problem, can solve at all environmental issue but also increase economic efficiency.
So, just in the urgent need to address at one next, how jute staple fiber is processed into fire retardant nonwoven fabric
Technical problem.Applicant has finally found a feasible method by long term test, thus proposes present patent application.
Summary of the invention
The purpose of the present invention is to provide a kind of jute staple fiber reuse methods, and jute staple fiber is processed into fire-retardant nothing
Woven fabric, to meet the product performance demands that steel bar in steel bar process ties up gasket.
In order to solve the above-mentioned technical problem, jute staple fiber reuse method of the invention, is made resistance for jute staple fiber
Fire non-woven fabrics；Preparation method includes the following steps condition:
A. and expect: jute staple fiber and 4080 low melting point polypropylene fibers are shaken loose into feeding and material machine and material；The fibre of jute staple fiber
Dimension length is 4-8cm；The fibre length of 4080 low melting point polypropylene fibers is 5-6cm, fibre fineness 4-8d；Jute staple fiber weight
For 80-90%, the weight of 4080 low melting point polypropylene fibers is 10-20%；
B. the uniform mixing of mode directly big storehouse mixing: is taken using horizontal paving；Storing amount is 9m3Left and right；Big storehouse length 4000mm；
C. shredding: main plucker roller is card wire nail-plate, shredding roller diameter 420mm, shredding roller speed 1000r/min；
D. it is fed and combs；
E. lapping and charging；
F. middling speed pre-needling: it is 80-90mm that needle, which pierces traverse,；Cloth needle amount is 2500 pieces/m, and conveying speed is 1-8 m/min, needle thorn
500 times/min of frequency；
G. the middling speed thorn of falling needle；It is 70-80mm that needle, which pierces traverse, and cloth needle amount is 3000 pieces/m, and conveying speed is 1-8 m/min, needle thorn
550 times/min of frequency；
H. the main needle thorn of middling speed；Single side seta, it is 60-70mm that needle, which pierces traverse, and cloth needle amount is 3500 pieces/m, and conveying speed is 1-8 m/
Min, 600 times/min of punch frequency；
I. hot pressing roller is dried: being pressurizeed and is dried using upper and lower roller, heat-conducting oil heating, upper roller temperature is controlled in 220-240
℃；Lower roller does not heat, and air pump pressurization, pressure controls 3-4kg/cm2；
J. fire retardant is sprayed: amount of flame-retardant agent 200g/kg；
K. plucking is coiled.Non-woven fabrics bottom surface plucking, yardage roll stands 24 hours after unloading.
Described and material step, use and material machine；Hired roughneck diameter phi 270mm, the high 100mm of tooth；Hired roughneck's quantity is 4；Feeding
Curtain length is 2.5m；Each and material time about 3-8min.
The shredding step, with batch mixer photoelectric linkage；Standby strength bridge shape strong magnets inhale iron device, clear out the short fibre of jute
Irony object in dimension.
The feed and combing step, are fed, top is equipped with condensate device using oscillatory type；Photo-electric control storing amount, feed
Amount；Hired roughneck diameter 310mm, three, surface nail stick screw are fixed, and hired roughneck shaft end protection disk is prevented around material；By nip rolls and
Convoying curtain feeding；Using single cylinder, double doffer card: cancelling mixed and disorderly roller；Cylinder and worker rollers gauge are 1-0.8mm, tin
The gauge of woods and doffer's roller is 2-2.5mm；Net spee≤30-40m/min out.
The lapping and feed step, using high speed lapping, lapping door width 2100mm, lapping curtain speed 30-40m/min,
Three point unevenness rate≤5% of fibre web left, center, right, out net spee≤1-8m/min；Using clipping charging, machine width 3200mm, clamping
Curtain uses high-quality antistatic dermatotome, 30 degree of grasp opening angle, can up and down adjustment；It is directly mating with pre-needling machine；Speed control
In 1-8m/min.
The middling speed pre-needling step, 15 × 16 × 32 × 3.5M30-GB332/R-Y53201 of pricker model.
The middling speed falls needle-punching run, 15 × 18 × 38 × 3.15M24-G222/M-H2202 of pricker model；In support net
Plate feeds the full edge in side such as and adsorbs a stripe shape strong magnets, removes broken needle and iron foreign body.
The main needle-punching run of middling speed, 15 × 16 × 32 × 3.5M30-GB332/R-Y53201 of pricker model.
The spray fire retardant step, fire retardant use the HF08 liquid flame retardant of Shanghai Hui Fu fire proofing material Co., Ltd,
Proportion with water is 1:1, is sprayed using bidirectional reciprocating frequency control, nozzle to heating roller axial line distance 30-40cm, so as to
Utilize residual heat drying partial moisture.
The coiled step of plucking, frictionally coiled using double roller, block form is reversely rotated each other to roller, roller diameter
300mm, external spiral wind irony peronium, and it is reversed each other that peronium winds two rollers, in order to avoid cloth sweeps off side, peronium passes through friction handle
Non-woven fabrics bottom surface plucking, every 100m is coiled, and cloth is with a thickness of 4.5-5mm, grammes per square metre 889-926g/m2.
Satisfactory fire retardant nonwoven fabric has been processed by above-mentioned steps.
Then these fire retardant nonwoven fabrics can be packaged.The yardage roll after standing is placed on debatching on roller, is drawn
The leftover of bolt of cloth imports pressure roller to slice out, starts board, cuts cloth online, and 5 longitudinal sectional longitudinally cutting for electronic fly cutter, and pulsimeter is long, sanction
Piece range size is adjustable, and the minimum 400mm of fly cutter blade spacing, fly cutter blade diameter 200mm, auto counter is crosscutting, cut-parts ruler
Very little range is adjustable, and the artificial contact pin in board output stage end is packaged.
Method of the invention is to develop the properties of product need for being able to satisfy steel bar in steel bar process and tying up gasket
It asks and proposes.The enterprise of steel bar processing is to need pieces of cloth having a size of 45 × 30 × 0.5cm, cloth cover one using manipulator operation
Face flash has on the double wall of snap fastener convenient for being adsorbed on nail；Another side will contact high temperature steel bar, need to be fire-retardant, and cloth cover is hard
Very.Using method of the invention, it is possible to producing the properties of product need for meeting steel bar in above-mentioned steel bar process and tying up gasket
The jute fire retardant nonwoven fabric asked, flame retardant effect can reach B1Grade.
Method of the invention, technical contribution are:
1, jute staple fiber and 4080 low melting point polypropylene fibers are mixed and made into fire retardant nonwoven fabric；Moreover, being obtained through repetition test
The critical data of realization mixed raw material of the invention: the fibre length of jute staple fiber is 4-8cm；4080 low melting point polypropylene fibre are fine
The fibre length of dimension is 5-6cm, fibre fineness 4-8d；Jute staple fiber weight is 80-90%, 4080 low melting point polypropylene fibers
Weight is 10-20%.More than this range, it is difficult to qualified fire retardant nonwoven fabric be made.
2, the committed step of the method for the present invention and its condition are: using three needles thorn and hot pressing roller drying.Three needles thorn
Fiber is pierced to the surface of face cloth generation lint to adsorb；Wherein, the main needle-punching run of middling speed and its condition are the most key, such as
Fruit is not able to satisfy its technical conditions then cannot achieve the present invention at all；Moreover, the main needle thorn of middling speed must make with middling speed pre-needling step
With the pricker of same model, pricker 15 × 16 × 32 × 3.5M30-GB332/R-Y53201 of model, this is also very crucial.It is another
Face, hot pressing roller baking step and its condition are also to realize key of the invention: the heating method and upper roller of upper and lower roller
Temperature control is particularly important, which realizes high temperature hot pressure and 4080 low-melting fiber clinkerings are solidified, and forms 3 D stereo net
Shape structure keeps pieces of cloth stiffening；And flame retardant treatment is carried out convenient for subsequent spray combustion inhibitor special, realize that flame retardant effect reaches B1Grade
Purpose.
3, spray fire retardant step is also critically important, especially technological means: fire retardant is limited using Shanghai emblem richness fire proofing material
The HF08 liquid flame retardant of company, the proportion with water are 1:1, are sprayed using bidirectional reciprocating frequency control, nozzle to heating roller
Cylinder axial line distance 30-40cm, to utilize residual heat drying partial moisture.The technological means is to complete the step and finally realize
Flame retardant effect reaches B1The purpose of grade provides technical guarantee.
4, the coiled step of plucking is completed at the same time by plucking and in rolls, is greatly improved efficiency, has been saved cost.Wherein, cloth
Standing 24 hours or more after volume unloads, spray can be allowed in the fire retardant and moisture of cloth cover through this processing by repetition test
Uniformly penetrating, to reach best flame retardant effect.The coiled step of the plucking, frictionally coiled using double roller, block form is anti-each other
To rotation to roller, external spiral winds irony peronium, and it is reversed each other that peronium winds two rollers, in such manner, it is possible to prevent cloth from sweeping off side,
Peronium can be smoothly non-woven fabrics bottom surface plucking by friction.
Using preferred technological means in method of the invention, can more preferably using the characteristic of jute staple fiber, produce
More meet the jute fire retardant nonwoven fabric of the enterprise requirements of steel bar processing.
Jute fire retardant nonwoven fabric piece other index tests by the method for the present invention processing are as follows:
| Project name | Index | Remarks |
| Mass area ratio | 905g/m2 | |
| Mass area ratio deviation | 6% | |
| Thickness | 4.8 mm | |
| Ultimate strength | 20KN/m | Vertically and horizontally |
| Pieces of cloth dimensional discrepancy | 5% | |
| Tearing brute force | 0.42KN | Vertically and horizontally |
Specific embodiment
Below by embodiment, the present invention is described in detail, but not limited to this:
Jute staple fiber reuse method of the invention, is that fire retardant nonwoven fabric is made in jute staple fiber.
Preparation method includes the following steps condition:
A. and expect: jute staple fiber and 4080 low melting point polypropylene fibers are shaken loose into feeding and material machine and material；The fibre of jute staple fiber
Dimension length is 4-8cm；The fibre length of 4080 low melting point polypropylene fibers is 5-6cm, fibre fineness 4-8d；Jute staple fiber weight
For 80-90%, the weight of 4080 low melting point polypropylene fibers is 10-20%.
With material step, use and material machine, hired roughneck diameter 270mm, the high 100mm of tooth, hired roughneck's quantity is 4；Feeding curtain length
For 2.5m；Each and material time about 3-8min.Equipped with blower wind, machine power is 4KW at top.Every time and material is 50kg.
B. the uniform mixing of mode directly big storehouse mixing: is taken using horizontal paving.Storing amount is 9m3Left and right.Big storehouse length 4000mm.
Brad curtain is the high-quality wooden curtain, and backing canvas, hired roughneck diameter 310mm, surface is that three nail stick screws are fixed, and top is matched
There is condensate device.
C. shredding: main plucker roller is card wire nail-plate, shredding roller diameter 420mm, shredding roller speed 1000r/min.
Plucker roller and batch mixer photoelectric linkage.
Standby strength bridge shape strong magnets inhale iron device, to clear out irony object in jute staple fiber.
D. it is fed and combs.
It is fed using oscillatory type, top is equipped with condensate device.Photo-electric control storing amount, feeding coal.Hired roughneck diameter 310mm, table
Three, face nail stick screw is fixed, and hired roughneck shaft end protection disk is prevented around material.Pass through nip rolls and convoying curtain feeding.
Using single cylinder, double doffer card.Cancel mixed and disorderly roller.Cylinder and worker rollers gauge are 1-0.8mm, cylinder with
The gauge of doffer's roller is 2-2.5mm.Net spee≤30-40m/min out.
E. lapping and charging.
Using high speed lapping.Lapping door width 2100mm.Lapping curtain speed 30-40m/min.3 points of fibre web left, center, right are uneven
Rate≤5%.Net spee≤1-8m/min out.
Using clipping charging.Machine width 3200mm.It clamps curtain and uses high-quality antistatic dermatotome.30 degree of grasp opening angle,
It can up and down adjustment.It is directly mating with pre-needling machine.Speed control is in 1-8m/min.
F. middling speed pre-needling.It is 80-90mm that needle, which pierces traverse,.Cloth needle amount is 2500 pieces/m.Conveying speed is 1-8 m/min.
500 times/min of punch frequency.
15 × 16 × 32 × 3.5M30-GB332/R-Y53201 of pricker model of middling speed pre-needling step.
G. the middling speed thorn of falling needle.It is 70-80mm that needle, which pierces traverse,.Cloth needle amount is 3000 pieces/m.Conveying speed is 1-8 m/min.
550 times/min of punch frequency.
Middling speed falls needle-punching run, 15 × 18 × 38 × 3.15M24-G222/M-H2202 of pricker model.It is fed in support web plate
If the full edge in side adsorbs a stripe shape strong magnets, to remove broken needle and iron foreign body.
H. the main needle thorn of middling speed.Single side seta.It is 60-70mm that needle, which pierces traverse,.Cloth needle amount is 3500 pieces/m.Conveying speed is 1-
8 m/min.600 times/min of punch frequency.
The main needle-punching run of middling speed, 15 × 16 × 32 × 3.5M30-GB332/R-Y53201 of pricker model.
I. hot pressing roller is dried.It is pressurizeed and is dried using upper and lower roller.
Heat-conducting oil heating.Upper roller temperature is controlled at 220-240 DEG C.Lower roller does not heat, and air pump pressurization, pressure controls 3-
4kg/cm ²。
J. fire retardant is sprayed.Amount of flame-retardant agent 200g/kg.
Fire retardant uses the HF08 liquid flame retardant of Shanghai Hui Fu fire proofing material Co., Ltd, and the proportion with water is 1:1.It adopts
It is sprayed with bidirectional reciprocating frequency control.Nozzle is to heating roller axial line distance 30-40cm, to utilize residual heat drying part water
Point.
K. plucking is coiled.Non-woven fabrics bottom surface plucking.
Yardage roll stands 24 hours after unloading, and spray is allowed to permeate in the fire retardant and uniform moisture of cloth cover.
It is frictionally coiled using double roller.Block form is reversely rotated each other to roller, diameter 300mm.External spiral winds irony thorn
Skin.It is reversed each other that peronium winds two rollers, in case cloth sweeps off side.Peronium is by friction non-woven fabrics bottom surface plucking.
Every 100m is coiled.Cloth is with a thickness of 4.5-5mm, grammes per square metre 889-926g/m2.
Pieces of cloth are having a size of 45 × 30 × 0.5cm.
Claims (10)
1. a kind of jute staple fiber reuse method, it is characterised in that: fire retardant nonwoven fabric is made in jute staple fiber；Preparation method
Include the following steps condition:
A. and expect: jute staple fiber and 4080 low melting point polypropylene fibers are shaken loose into feeding and material machine and material；The fibre of jute staple fiber
Dimension length is 4-8cm；The fibre length of 4080 low melting point polypropylene fibers is 5-6cm, fibre fineness 4-8d；Jute staple fiber weight
For 80-90%, the weight of 4080 low melting point polypropylene fibers is 10-20%；
B. the uniform mixing of mode directly big storehouse mixing: is taken using horizontal paving；Storing amount is 9m3Left and right；Big storehouse length 4000mm；
C. shredding: main plucker roller is card wire nail-plate, shredding roller diameter 420mm, shredding roller speed 1000r/min；
D. it is fed and combs；
E. lapping and charging；
F. middling speed pre-needling: it is 80-90mm that needle, which pierces traverse,；Cloth needle amount is 2500 pieces/m, and conveying speed is 1-8 m/min, needle thorn
500 times/min of frequency；
G. the middling speed thorn of falling needle: it is 70-80mm that needle, which pierces traverse, and cloth needle amount is 3000 pieces/m, and conveying speed is 1-8 m/min, needle thorn
550 times/min of frequency；
H. the main needle of middling speed pierces: single side seta, and it is 60-70mm that needle, which pierces traverse, and cloth needle amount is 3500 pieces/m, and conveying speed is 1-8 m/
Min, 600 times/min of punch frequency；
I. hot pressing roller is dried: being pressurizeed and is dried using upper and lower roller, heat-conducting oil heating, upper roller temperature is controlled in 220-240
℃；Lower roller does not heat, and air pump pressurization, pressure controls 3-4kg/cm 2；
J. fire retardant is sprayed: amount of flame-retardant agent 200g/kg；
K. plucking is coiled；
Non-woven fabrics bottom surface plucking, yardage roll stands 24 hours after unloading.
2. method according to claim 1, it is characterised in that: described and material step, use and material machine；Hired roughneck's diameter 270
Mm, high 100 mm of tooth；Hired roughneck's quantity is 4；Feeding curtain length is 2.5m；Each and material time about 3-8min.
3. method according to claim 1, it is characterised in that: the shredding step, with batch mixer photoelectric linkage；Standby strength bridge
Shape strong magnets inhale iron device, clear out irony object in jute staple fiber.
4. method according to claim 1, it is characterised in that: the feed and combing step are fed, top using oscillatory type
It is equipped with condensate device；Photo-electric control storing amount, feeding coal；Hired roughneck diameter 310mm, three, surface nail stick screw are fixed, hired roughneck shaft end
With protection disk, prevent around material；Pass through nip rolls and convoying curtain feeding；Using single cylinder, double doffer card: cancelling mixed and disorderly roller；
Cylinder and worker rollers gauge are 1-0.8mm, and the gauge of cylinder and doffer's roller is 2-2.5mm；Net spee≤30-40m/ out
min。
5. method according to claim 1, it is characterised in that: the lapping and feed step, using high speed lapping, lapping door
Width 2100mm, lapping curtain speed 30-40m/min, three point unevenness rate≤5% of fibre web left, center, right, out net spee≤1-8m/min；
Using clipping charging, machine width 3200mm, clamping curtain uses high-quality antistatic dermatotome, 30 degree of grasp opening angle, can go up downward
Section；It is directly mating with pre-needling machine；Speed control is in 1-8 m/min.
6. method according to claim 1, it is characterised in that: the middling speed pre-needling step, pricker model 15 × 16 ×
32×3.5M30-GB332/R-Y53201。
7. method according to claim 1, it is characterised in that: the middling speed falls needle-punching run, pricker model 15 × 18 ×
38×3.15M24-G222/M-H2202；The full edge in side such as is fed in support web plate and adsorbs a stripe shape strong magnets, removes broken needle
And iron foreign body.
8. method according to claim 1, it is characterised in that: the main needle-punching run of middling speed, pricker model 15 × 16 ×
32×3.5M30-GB332/R-Y53201。
9. method according to claim 1, it is characterised in that: the spray fire retardant step, fire retardant are anti-using Shanghai emblem richness
The HF08 liquid flame retardant of fiery Materials Co., Ltd, the proportion with water are 1:1, are sprayed using bidirectional reciprocating frequency control, spray
Mouth is to heating roller axial line distance 30-40cm, to utilize residual heat drying partial moisture.
10. method according to claim 1, it is characterised in that: the coiled step of plucking, it is frictionally coiled using double roller,
Block form is reversely rotated each other to roller, diameter 300mm, and external spiral winds irony peronium, and peronium two rollers of winding are reversed each other,
In order to avoid cloth sweeps off side, peronium is by friction non-woven fabrics bottom surface plucking, and every 100m is coiled, and cloth is with a thickness of 4.5-5mm, grammes per square metre
889-926g/m²。
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