CN110067033A - A kind of 66 high-intensity fiber of production method and polyamide fibre of 66 high-intensity fiber of polyamide fibre - Google Patents

A kind of 66 high-intensity fiber of production method and polyamide fibre of 66 high-intensity fiber of polyamide fibre Download PDF

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Publication number
CN110067033A
CN110067033A CN201910445820.4A CN201910445820A CN110067033A CN 110067033 A CN110067033 A CN 110067033A CN 201910445820 A CN201910445820 A CN 201910445820A CN 110067033 A CN110067033 A CN 110067033A
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China
Prior art keywords
polyamide fibre
spinning
tow
roller group
intensity fiber
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Application number
CN201910445820.4A
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Chinese (zh)
Inventor
张红亮
唐志萍
姜军
孟宪博
丁杰
李子豪
曹新荣
王志军
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Beijing Chonglee Machinery Engineering Co Ltd
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Beijing Chonglee Machinery Engineering Co Ltd
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Priority to CN201910445820.4A priority Critical patent/CN110067033A/en
Publication of CN110067033A publication Critical patent/CN110067033A/en
Pending legal-status Critical Current

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    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D1/00Treatment of filament-forming or like material
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D1/00Treatment of filament-forming or like material
    • D01D1/04Melting filament-forming substances
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D10/00Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/02Heat treatment
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D13/00Complete machines for producing artificial threads
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D4/00Spinnerette packs; Cleaning thereof
    • D01D4/04Cleaning spinnerettes or other parts of the spinnerette packs
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/08Melt spinning methods
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/08Melt spinning methods
    • D01D5/088Cooling filaments, threads or the like, leaving the spinnerettes
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/08Melt spinning methods
    • D01D5/096Humidity control, or oiling, of filaments, threads or the like, leaving the spinnerettes
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/12Stretch-spinning methods
    • D01D5/16Stretch-spinning methods using rollers, or like mechanical devices, e.g. snubbing pins
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/60Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Artificial Filaments (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Abstract

The invention belongs to a kind of 66 high-intensity fibers of production method and polyamide fibre of 66 high-intensity fiber of textile chemical fiber production technical field more particularly to polyamide fibre.Production method therein includes: that commonly slice passes through the dry thickening of dry tack producing device to polyamide fibre 66;By the polyamide fibre 66 after dry thickening, commonly slice is sent into screw extruder melting compression, and making polyamide fibre 66, commonly slice is melt into spinning melt;The spinning melt is quantitatively pressed into filament spinning component, and tow is sprayed by filament spinning component;The tow is extracted out monomer by annealer cooling, monomer pumping device, form as-spun fibre;The as-spun fibre passes sequentially through cross air blowing device, path cooling;The tow after cooling is after oiling device oiling treatment, by passing through drafting component set-stretching;The tow after traction stretches is wound into spinning cake by up- coiler.The present invention can make up in the prior art using the technical solution of single step spining draw forming production 66 high-intensity fiber of 150de or less specification polyamide fibre, have good promotion prospect.

Description

A kind of 66 high-intensity fiber of production method and polyamide fibre of 66 high-intensity fiber of polyamide fibre
Technical field
The invention belongs to a kind of production method of 66 high-intensity fiber of textile chemical fiber production technical field more particularly to polyamide fibre with And 66 high-intensity fiber of polyamide fibre.
Background technique
66 high-intensity fiber of polyamide fibre is a kind of common synthetic fibers, has wicking, and, feel is more soft, has very It is outdoor living to be highly suitable for production mountain-climbing, hiking etc. for good comfort and wholesomeness, the fabric being made into using this fiber Dynamic sportswear has the features such as wear-resistant, color fastness is high.
In the prior art, for 66 high-intensity fiber of polyamide fibre of 150de or less specification, two-step method production is generallyd use, i.e., first Spinning is first wound into a roll after spinning, then is stretched, deformed and wound.
Using 66 high-intensity fiber of polyamide fibre made from two-step method, have the disadvantages that
It takes up a large area, needs equipment more, recruitment is more, and at high cost, production efficiency is low, and product quality is poor.Therefore, it adopts It is imperative with single step spining draw forming production 66 high strength yarns of 150de or less specification polyamide fibre.But in the prior art, using one The technical solution of footwork spinning drawing molding production 66 high strength yarn of 150de or less specification polyamide fibre is substantially blank.
Summary of the invention
In view of the above existing problems in the prior art, the present invention provides a kind of production method of 66 high-intensity fiber of polyamide fibre and 66 high-intensity fiber of polyamide fibre produces 150de or less specification polyamide fibre 66 using single step spining draw forming in the prior art to make up The technical solution of high strength yarn.
The present invention through the following technical solutions to achieve the above objectives:
On the one hand, the present invention provides a kind of production method of 66 high-intensity fiber of polyamide fibre, the production method includes:
Commonly slice passes through the dry thickening of dry tack producing device to polyamide fibre 66;
By the polyamide fibre 66 after dry thickening, commonly slice is sent into screw extruder melting compression, and making polyamide fibre 66, commonly slice is molten Melt into spinning melt;
The spinning melt is quantitatively pressed into filament spinning component, and tow is sprayed by filament spinning component;
The tow is extracted out monomer by annealer cooling, monomer pumping device, form as-spun fibre;
The as-spun fibre passes sequentially through cross air blowing device, path cooling;
The tow after cooling is after oiling device oiling treatment, by passing through drafting component set-stretching;
The tow after traction stretches is wound into spinning cake by up- coiler, obtains 66 high-intensity fiber of polyamide fibre.
Further, commonly slice specifically includes the polyamide fibre 66 by the dry thickening of dry tack producing device:
It provides polyamide fibre 66 to be commonly sliced, the viscosity that the polyamide fibre 66 is commonly sliced is 125~130dl/g, and molecular weight is 14000~16000;
By the provided polyamide fibre 66, commonly slice is put into dry tack producing device, and the dry tack producing device is pure Nitrogen environment, oxygen concentration are less than 13ppm, and by 20~40 hours dry thickeninies, the polyamide fibre 66 after making dry viscosify was cut Piece viscosity is 160~180dl/g, and molecular weight is 18000~22000,200~500ppm of moisture content.
Further, commonly slice is sent into screw extruder melting compression to the polyamide fibre 66 by after dry thickening, specifically Include:
By the polyamide fibre 66 after dry thickening, commonly slice is sent into screw extruder, and the draw ratio of the screw extruder is 30 ~35, the screw extruder 310 DEG C~290 DEG C at a temperature of, by the common slice melting pressure of the polyamide fibre 66 after dry thickening Contracting.
Further, described that the spinning melt is quantitatively pressed into filament spinning component, and tow, tool are sprayed by filament spinning component Body includes:
The spinning melt is quantitatively pressed into filament spinning component by metering pump, the spinneret of the spinneret through the filament spinning component Hole sprays tow, meanwhile, using steam spinneret injection apparatus, sprays superheated steam and protect the spinning plate surface cleaning.
Further, the plate diameter range of the spinneret of the filament spinning component is 55~90mm, and the spinneret orifice is in wire vent The section in direction is round or abnormity;
The spray-hole of the steam spinneret injection apparatus is located at the lower section of the spinning manifold of the filament spinning component, the injection The ejection medium in hole is overheat saturated vapor, and the injection direction of the spray-hole is the center line towards the spinneret.
Further, the height of the annealer is 60~160mm, and zone of silence is 100~200mm, slow cooling temperature 220 DEG C~290 DEG C;
The monomer pumping device is negative nozzle pressure recirculated water suction unit.
Further, the outlet air height of the cross air blowing device is 1200~1500mm, and blowing temperature is 17 DEG C~22 DEG C.
Further, the tow after cooling is after oiling device oiling treatment, by drawing by drafting component Setting is stretched, is specifically included:
The tow after cooling passes sequentially through pre- Network device, first pair of spinning after oiling device oiling treatment Roller group, second pair of spinning roller group, third are to spinning roller group, the 4th pair of spinning roller group, the 5th pair of spinning roller group, the 6th pair of spinning roller Group and Network device set-stretching, in which:
The tow is 200-400mm in the spooling length of first pair of spinning roller group, and wrapping wire 4~7 encloses;
The temperature of second pair of spinning roller group is 50 DEG C~70 DEG C, and drafting multiple is 1.05~1.5;
The third is 160 DEG C~220 DEG C to the temperature of spinning roller group, and wrapping wire 6~9 encloses, and drafting multiple is 1.6~3.0;
The temperature of the 4th pair of spinning roller group is 180 DEG C~220 DEG C, and wrapping wire 6~9 encloses, and drafting multiple is 1.2~1.6;
The temperature of the 5th pair of spinning roller group be 120 DEG C~220 DEG C, wrapping wire 6~9 enclose, drafting multiple be 0.95~ 1.2;
The temperature of the 6th pair of spinning roller group be 50 DEG C~200 DEG C, wrapping wire 6~9 enclose, drafting multiple be 0.95~ 0.98。
On the other hand, the present invention also provides a kind of 66 high-intensity fiber of polyamide fibre, 66 high-intensity fiber of polyamide fibre passes through above-mentioned Production method is made.
Further, the strength range of 66 high-intensity fiber of polyamide fibre is in 5~10cn/dtex, elongation range 10~ 30%, boiling water shrinkage is 2~8%.
The beneficial effects of the present invention are:
The production method of 66 high-intensity fiber of a kind of polyamide fibre provided by the present invention, due to being that will spray silk by filament spinning component It is a kind of single step spining draw forming method directly by passing through drafting component set-stretching after beam cooling oils, there is work The strong feature of sequence continuity, needs equipment few, and occupied area is small, at low cost, the degree of automation and high production efficiency, and, lead to Cross 66 high-intensity fiber quality of polyamide fibre made from the production method stablize, with make up in the prior art using single step spining drawing-off at Type produces the technical solution of 66 high-intensity fiber of 150de or less specification polyamide fibre, has good promotion prospect.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.
Fig. 1 is a kind of structural schematic diagram of the production system of 66 high-intensity fiber of polyamide fibre of the embodiment of the present invention;
Fig. 2 is a kind of flow diagram of the production method of 66 high-intensity fiber of polyamide fibre of the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Firstly, the embodiment of the invention discloses a kind of production systems of 66 high-intensity fiber of polyamide fibre.
Fig. 1 is a kind of structural schematic diagram of the production system of 66 high-intensity fiber of polyamide fibre of the embodiment of the present invention, in conjunction with Fig. 1, The production system includes the drying tack producing device 1 set gradually by process flow, screw extruder 2, filament spinning component 3, steam spray Injection device 4, annealer 5, monomer pumping device 6, cross air blowing device 7, path 8, oiling device 9, drafting component and up- coiler 18。
The effect of the drying tack producing device 1 of the embodiment of the present invention is to viscosify the common chip drying of polyamide fibre 66, is made with meeting Use demand.
The effect of the screw extruder 2 of the embodiment of the present invention is will to be commonly sliced melting pressure through the polyamide fibre 66 after dry thickening Contracting can penetrate the bimetal screw rod extruder of technical treatment, draw ratio to form spinning melt using the roasting of alloy covered type It is 30~35.
The effect of filament spinning component 3 of the embodiment of the present invention is that spinning melt is sprayed tow, can be by metering pump to spinning Silk cabinet quantitatively conveys spinning melt, and sprays tow by the spinneret orifice on spinneret.
Further, the filament spinning component 3 of the embodiment of the present invention is self-sealing down-mounting type cup type component, and spinning manifold is can be every 66 case body special of polyamide fibre for taking out calcining is decomposed in position, and spinneret diameter range is in 55~90mm, section of the spinneret orifice in wire vent direction Shape can be round or anisotropic (triangle, trilobal) etc..
The effect of the steam spinneret injection apparatus 4 of the embodiment of the present invention is to spray superheated steam, to protect the spinneret Face cleaning.
Further, the spray-hole of the steam spinneret injection apparatus 4 is located at the lower section of the spinning manifold of filament spinning component 3, spray The ejection medium of perforation is overheat saturated vapor, and the injection direction of spray-hole is the center line towards spinneret, in this way can be with It keeps spinning plate surface to clean for a long time, it is smooth to be conducive to spinning.
The height of the annealer 5 of the embodiment of the present invention is 60~160mm, effectively to slow down a quenching phenomenon, guarantees tow Drawdown stability, matching zone of silence height is in 100~200mm, to guarantee that tow strip is dry uniform.
The monomer pumping device 6 of the embodiment of the present invention can be negative nozzle pressure recirculated water suction system, to guarantee spinning list Body, which is sufficiently abstracted away, prevents monomer accumulation excessive, influences normal spinning production, while it is outdoor to avoid blower from directly aspirating discharge Caused by environmental pollution.
The cross air blowing device 7 of the embodiment of the present invention is used to be quickly cooled down tow, and outlet air height is 1200~1500mm, Temperature of drying is between 17 DEG C~22 DEG C.
The path 8 of the embodiment of the present invention is the channel that tow passes through naturally, for making tow after cooling is stable to pass through.
The oiling device 9 of the embodiment of the present invention is located at 8 lower section of path, to fully ensure that tow enters the tension of drafting component Enough, prevent tow from shaking excessive or curling round the roll.
In conjunction with Fig. 1, the drafting component of the embodiment of the present invention includes the pre- Network device 10, first set gradually by process flow To 11, second pairs of spinning roller groups 12 of spinning roller group, third to spinning roller group 13, the 4th pair of spinning roller group 14, the 5th pair of spinning roller Group 15, the 6th pairs of spinning roller groups 16 and Network devices 17, specifically:
Pre- Network device 10 plays oil-containing on uniform silk, increases tow tension, the purpose of pre-add role of network;
First pair of spinning roller group 11 is feeding effect, is not heated;
Second pair of spinning roller group 12 is low temperature roller group, with heating, is unworthy of heat preserving casing, effect is to play tow drawing-off It to wire feed, stretches, the effects of crystallization;
Third matches heat preserving casing with heating to spinning roller group 13, plays stretching action;
4th pair of spinning roller group 14 matches heat preserving casing with heating, plays stretching, styling;
5th pair of spinning roller group 15 matches heat preserving casing with heating, plays stretching, sizing and cooling effect;
6th pair of spinning roller group 16 matches heat preserving casing with heating, plays stretching, sizing and cooling effect;
Network device 17 plays the role of controlling nexus number, convenient post-processing.
The embodiment of the present invention is configured by six pairs of spinning roller groups of drafting component, to control finished silk intensity and boiling shrinkage Rate.
The up- coiler 18 of the embodiment of the present invention is using accurate anti-stacked system, to fully ensure that spinning cake shaping is good, after being convenient for Processing unwinding.
In addition, being based on above-mentioned production system, the embodiment of the invention also provides a kind of producers of 66 high-intensity fiber of polyamide fibre Method.
Fig. 2 is a kind of flow diagram of the production method of 66 high-intensity fiber of polyamide fibre of the embodiment of the present invention, in conjunction with Fig. 1 and Fig. 2 production method includes:
S1: the common slice of polyamide fibre 66 fills 1 drying thickening by dry thickening;
S2: by the polyamide fibre 66 after dry thickening, commonly slice is sent into the melting compression of screw extruder 2, cuts polyamide fibre 66 commonly Piece is melt into spinning melt;
S3: spinning melt is quantified into indentation filament spinning component 3, and tow is sprayed by filament spinning component 3;
S4: tow is extracted out monomer by the cooling of annealer 5, monomer pumping device 6, forms as-spun fibre;
S5: as-spun fibre passes sequentially through cross air blowing device 7, the cooling of path 8;
S6: tow after cooling is after 9 oiling treatment of oiling device, by passing through drafting component set-stretching;
S7: the tow after traction stretches is wound into spinning cake by up- coiler 18, obtains 66 high-intensity fiber of polyamide fibre.
Specifically:
The S1 of the embodiment of the present invention is specifically included:
There is provided polyamide fibre 66 commonly be sliced, the viscosity that polyamide fibre 66 is commonly sliced be 125~130dl/g, molecular weight be 14000~ 16000;
By provided polyamide fibre 66, commonly slice is put into dry tack producing device 1, and dry tack producing device 1 is purity nitrogen compression ring Border, oxygen concentration are less than 13ppm, 66 intrinsic viscosity 160 of polyamide fibre by 20~40 hours dry thickeninies, after making dry viscosify ~180dl/g, molecular weight are 18000~22000,200~500ppm of moisture content.
The S2 of the embodiment of the present invention is specifically included:
By the polyamide fibre 66 after dry thickening, commonly slice is sent into screw extruder 2, and screw extruder 2 is at 310 DEG C~290 DEG C At a temperature of, by the commonly slice melting compression of the polyamide fibre 66 after dry thickening.
The S3 of the embodiment of the present invention is specifically included:
Spinning melt is quantitatively pressed into filament spinning component 3 by metering pump, the spinneret orifice of the spinneret through filament spinning component 3 sprays Tow, meanwhile, using steam spinneret injection apparatus 4, spray superheated steam protection spinning plate surface cleaning.
The S4 of the embodiment of the present invention is specifically included:
The height of annealer 5 is 60~160mm, and slow cooling temperature is 220 DEG C~290 DEG C, can effectively slow down a quenching phenomenon, Guarantee the Drawdown stability of tow, matching zone of silence height is in 100~200mm, to guarantee that tow strip is dry uniform.
And monomer pumping device 6 is negative nozzle pressure recirculated water suction unit, it is ensured that monomer, which is sufficiently abstracted away, to be prevented Monomer accumulation is excessive, influences normal spinning production, while blower being avoided directly to aspirate environmental pollution caused by discharge outdoor.
The S5 of the embodiment of the present invention is specifically included:
The outlet air height of cross air blowing device 7 is 1200~1500mm, and blowing temperature is 17 DEG C~22 DEG C.
The S6 of the embodiment of the present invention is specifically included:
Tow after cooling passes sequentially through 10, first pairs of spinning roller groups of pre- Network device after 9 oiling treatment of oiling device 11, second pair of spinning roller group 12, third are to spinning roller group 13, the 4th pair of spinning roller group 14, the 5th pair of spinning roller group 15, the 6th pair 17 set-stretching of spinning roller group 16 and Network device, in which:
Tow is 200-400mm in the spooling length of first pair of spinning roller group, and wrapping wire 4~7 encloses;
The temperature of second pair of spinning roller group is 50 DEG C~70 DEG C, and drafting multiple is 1.05~1.5;
Third is 160 DEG C~220 DEG C to the temperature of spinning roller group, and wrapping wire 6~9 encloses, and drafting multiple is 1.6~3.0;
The temperature of 4th pair of spinning roller group is 180 DEG C~220 DEG C, and wrapping wire 6~9 encloses, and drafting multiple is 1.2~1.6;
The temperature of 5th pair of spinning roller group is 120 DEG C~220 DEG C, and wrapping wire 6~9 encloses, and drafting multiple is 0.95~1.2;
The temperature of 6th pair of spinning roller group is 50 DEG C~200 DEG C, and wrapping wire 6~9 encloses, and drafting multiple is 0.95~0.98.
The S7 of the embodiment of the present invention is specifically included:
Tow enters up- coiler 18, and 2300~4000m/min winding speed is wound into spinning cake, obtains the high-strength fibre of polyamide fibre 66 Dimension.
In addition, being based on above-mentioned production system and production method, the embodiment of the invention also provides a kind of high-strength fibres of polyamide fibre 66 Dimension, 66 high-intensity fiber of polyamide fibre are made by aforementioned production method, and the strength range of 66 high-intensity fiber of polyamide fibre 5~ 10cn/dtex, for elongation range 10~30%, boiling water shrinkage is 2~8%.
Concrete application one:
Using the production system and production method of the embodiment of the present invention, 66 high-intensity fiber of 44dtex/12f polyamide fibre is prepared.Institute It is 130dl/g with 66 intrinsic viscosity of polyamide fibre, drying time 30 hours, drying temperature 145, dry chip viscosity was 160dl/g, aqueous 200ppm;Using 105 screw rod of Φ, draw ratio 30, compression ratio 2.98 divides five Qu Jiare, and each area's temperature is respectively as follows: a Qu Wendu 300 DEG C, two 305 DEG C of area's temperature, three 295 DEG C of area's temperature, four 292 DEG C of area's temperature, five 290 DEG C of area's temperature;Condition of spinning manifold temperature 293 ℃;275 DEG C of annealer, annealer height 100mm;Cooling device cross air blasting height 1200mm, 19 DEG C of side-blown wind-warm syndrome, wind speed 0.35m/s;1st couple of spinning roller group 800m/min, second couple of spinning roller group 900m/min, temperature 60 C, third is to spinning roller group 2500m/min, 170 DEG C of temperature, the 4th couple of spinning roller group 3750m/min, 210 DEG C of temperature, the 5th couple of spinning roller group 4100m/ Min, 220 DEG C of temperature, the 6th couple of spinning roller group 3980m/min, 130 DEG C of temperature;The winding speed 3950m/min of up- coiler.It spins The 66 high-intensity fiber intensity 8.8cn/dtex of polyamide fibre of system, elongation range is 13%, boiling water shrinkage 4.3%, oil content 1.3%.
It is specific to use two:
Using the production system and production method of the embodiment of the present invention, 66 high-intensity fiber of 110dtex/36f polyamide fibre is prepared.Institute It is 126dl/g with 66 intrinsic viscosity of polyamide fibre, drying time 30 hours, drying temperature 153, dry chip viscosity was 166dl/g, aqueous 220ppm;Using 105 screw rod of Φ, draw ratio 30, compression ratio 2.98 divides five Qu Jiare, and each area's temperature is respectively as follows: a Qu Wendu 305 DEG C, two 300 DEG C of area's temperature, three 295 DEG C of area's temperature, four 292 DEG C of area's temperature, five 290 DEG C of area's temperature;Condition of spinning manifold temperature 292 ℃;270 DEG C of annealer, annealer height 120mm;Cooling device cross air blasting height 1400mm, 19 DEG C of side-blown wind-warm syndrome, wind speed 0.45m/s;First couple of spinning roller group 760m/min, second couple of spinning roller group 920m/min, temperature 60 C, third is to spinning roller group 2300m/min, 170 DEG C of temperature, the 4th couple of spinning roller group 3350m/min, 210 DEG C of temperature, the 5th couple of spinning roller group 3800m/ Min, 200 DEG C of temperature, the 6th couple of spinning roller group 3710m/min, 120 DEG C of temperature;The winding speed of up- coiler is 3670m/min. The 66 high-intensity fiber intensity 7.2cn/dtex of polyamide fibre of spinning, elongation range is 19%, boiling water shrinkage 5.8%, oil content 1.3%.
In conclusion a kind of production method of 66 high-intensity fiber of polyamide fibre provided by through the invention, due to being that will pass through It is a kind of single step spining drawing-off directly by passing through drafting component set-stretching after filament spinning component ejection tow cooling oils Forming method has the characteristics that process continuity is strong, needs equipment few, and occupied area is small, at low cost, the degree of automation and life Produce it is high-efficient, and, the 66 high-intensity fiber quality of polyamide fibre as made from the production method is stablized, to make up in the prior art using one The technical solution of footwork spinning drawing molding production 66 high-intensity fiber of 150de or less specification polyamide fibre, has good promotion prospect.
Following illustrated embodiment is better embodiment of the invention, only is used to facilitate to illustrate the present invention, not to this hair The bright limitation made under any form has usually intellectual in any technical field, if not departing from the proposed skill of the present invention In the range of art feature, using the equivalent embodiment for locally changing or modifying made by disclosed technology contents, and Without departing from technical feature content of the invention, in the range of still falling within the technology of the present invention feature.

Claims (10)

1. a kind of production method of 66 high-intensity fiber of polyamide fibre, which is characterized in that the production method includes:
Polyamide fibre 66, which is commonly sliced, is dried thickening by dry tack producing device;
By the polyamide fibre 66 after dry thickening, commonly slice is sent into screw extruder melting compression, and making polyamide fibre 66, commonly slice is melt into Spinning melt;
The spinning melt is quantitatively pressed into filament spinning component, and tow is sprayed by filament spinning component;
The tow is extracted out monomer by annealer cooling, monomer pumping device, form as-spun fibre;
The as-spun fibre passes sequentially through cross air blowing device, path cooling;
The tow after cooling is after oiling device oiling treatment, by passing through drafting component set-stretching;
The tow after traction stretches is wound into spinning cake by up- coiler, obtains 66 high-intensity fiber of polyamide fibre.
2. a kind of production method of 66 high-intensity fiber of polyamide fibre according to claim 1, which is characterized in that the polyamide fibre 66 is general Logical slice is specifically included by the dry thickening of dry tack producing device:
There is provided the polyamide fibre 66, commonly slice, the viscosity that the polyamide fibre 66 is commonly sliced are 125~130dl/g, and molecular weight is 14000~16000;
By the provided polyamide fibre 66, commonly slice is put into dry tack producing device, and the dry tack producing device is pure nitrogen gas Environment, oxygen concentration are less than 13ppm, and by 20~40 hours dry thickeninies, the slice of the polyamide fibre 66 after making dry viscosify was viscous Degree is 160~180dl/g, and molecular weight is 18000~22000,200~500ppm of moisture content.
3. a kind of production method of 66 high-intensity fiber of polyamide fibre according to claim 1, which is characterized in that described to increase dry Commonly slice is sent into screw extruder melting compression to polyamide fibre 66 after viscous, specifically includes:
By the polyamide fibre 66 after dry thickening, commonly slice is sent into screw extruder, and the draw ratio of the screw extruder is 30~ 35, the screw extruder 310 DEG C~290 DEG C at a temperature of, by the commonly slice melting compression of the polyamide fibre 66 after dry thickening.
4. a kind of production method of 66 high-intensity fiber of polyamide fibre according to claim 1, which is characterized in that described by the spinning Silk melt quantitative is pressed into filament spinning component, and sprays tow by filament spinning component, specifically includes:
The spinning melt is quantitatively pressed into filament spinning component by metering pump, the spinneret orifice spray of the spinneret through the filament spinning component Tow out, meanwhile, using steam spinneret injection apparatus, sprays superheated steam and protect the spinning plate surface cleaning.
5. a kind of production method of 66 high-intensity fiber of polyamide fibre according to claim 4, which is characterized in that the filament spinning component The plate diameter range of spinneret be 55~90mm, the spinneret orifice is round or abnormity in the section in wire vent direction;
The spray-hole of the steam spinneret injection apparatus is located at the lower section of the spinning manifold of the filament spinning component, the spray-hole Ejection medium is overheat saturated vapor, and the injection direction of the spray-hole is the center line towards the spinneret.
6. a kind of production method of 66 high-intensity fiber of polyamide fibre according to claim 1, which is characterized in that the annealer Height is 60~160mm, and zone of silence is 100~200mm, and slow cooling temperature is 220 DEG C~290 DEG C;
The monomer pumping device is negative nozzle pressure recirculated water suction unit.
7. a kind of production method of 66 high-intensity fiber of polyamide fibre according to claim 1, which is characterized in that the cross air blasting dress The outlet air height set is 1200~1500mm, and blowing temperature is 17 DEG C~22 DEG C.
8. a kind of production method of 66 high-intensity fiber of polyamide fibre according to claim 1, which is characterized in that described after cooling The tow is after oiling device oiling treatment, by specifically including by drafting component set-stretching:
The tow after cooling after oiling device oiling treatment, pass sequentially through pre- Network device, first pair of spinning roller group, Second pair of spinning roller group, third to spinning roller group, the 4th pair of spinning roller group, the 5th pair of spinning roller group, the 6th pair of spinning roller group with And Network device set-stretching, in which:
The tow is 200-400mm in the spooling length of first pair of spinning roller group, and wrapping wire 4~7 encloses;
The temperature of second pair of spinning roller group is 50 DEG C~70 DEG C, and drafting multiple is 1.05~1.5;
The third is 160 DEG C~220 DEG C to the temperature of spinning roller group, and wrapping wire 6~9 encloses, and drafting multiple is 1.6~3.0;
The temperature of the 4th pair of spinning roller group is 180 DEG C~220 DEG C, and wrapping wire 6~9 encloses, and drafting multiple is 1.2~1.6;
The temperature of the 5th pair of spinning roller group is 120 DEG C~220 DEG C, and wrapping wire 6~9 encloses, and drafting multiple is 0.95~1.2;
The temperature of the 6th pair of spinning roller group is 50 DEG C~200 DEG C, and wrapping wire 6~9 encloses, and drafting multiple is 0.95~0.98.
9. a kind of 66 high-intensity fiber of polyamide fibre, which is characterized in that 66 high-intensity fiber of polyamide fibre passes through any one of claim 1-8 institute The production method stated is made.
10. 66 high-intensity fiber of a kind of polyamide fibre according to claim 9, which is characterized in that 66 high-intensity fiber of polyamide fibre Strength range is in 5~10cn/dtex, and for elongation range 10~30%, boiling water shrinkage is 2~8%.
CN201910445820.4A 2019-05-27 2019-05-27 A kind of 66 high-intensity fiber of production method and polyamide fibre of 66 high-intensity fiber of polyamide fibre Pending CN110067033A (en)

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