CN104099678B - A kind of novel fine dawn opposite sex cross-section fibers polyamide fibre production technology - Google Patents
A kind of novel fine dawn opposite sex cross-section fibers polyamide fibre production technology Download PDFInfo
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Abstract
The present invention relates to the opposite sex cross-section fibers polyamide fibre production technology of a kind of novel fine dawn, carry out as follows: screw extruder is sent in feed bin section; The melt that screw extruder is extruded enters into melt metering pump, and melt metering pump forms as-spun fibre; As-spun fibre is sent to filament spinning component, and filament spinning component is sprayed into thread, then forms fiber through lateral blowing cooling system; Fiber after shaping carries out oiling operation through oil feeding system; Fiber after oiling enters into pre-network device; Fiber after pre-network device process two draw-off godets; Again processed fiber strand silk is sent in master network device; Through the fiber strand silk of master network device operation again through a draw-off godet seal wire, and make strand evenly be coiled into the package of definite shape and capacity regularly eventually through winding operation, complete POY and process operation process; DTY production operation process is carried out again after POY operation.Production technology of the present invention is simple, efficient, and product quality is high, can effectively meet the need of market, and has wide market prospects.
Description
Technical field
The present invention relates to the opposite sex cross-section fibers polyamide fibre production technology of a kind of novel fine dawn, belong to field of textiles.
Background technology
At present, in the market competition of fierceness, polyamide fibre industry differentiated product is increasing, invention novel product of only constantly bringing forth new ideas, and for novel fabric is created in weaving mill, could win in market competition.By inventing such specification product and producing in batches, increase value-added content of product, promote profit on sales.
Summary of the invention
The object of the present invention is to provide the opposite sex cross-section fibers polyamide fibre production technology of a kind of novel fine dawn, contribute to producing a kind of technique simple, produce efficient and quality is novel, the measured polyamide fibre product of matter.
Technical program of the present invention lies in:
A kind of novel fine dawn opposite sex cross-section fibers polyamide fibre production technology, is characterized in that, produce as follows:
1) in feed bin, screw extruder is sent in the section needed for production that is stored and protection;
2) screw extruder section is carried out heating through feed zone, compression section, metering section, melting, metering produce predetermined pressure and extrude from the head of screw rod;
3) melt extruded enters into melt metering pump, melt metering pump then accurate measurement, continus convergence high polymer molten, and produce predetermined pressure, to ensure that spinning melt overcomes the resistance of filament spinning component, from spinnerets ejection, form as-spun fibre in atmosphere;
4) as-spun fibre is sent to filament spinning component, the melt that melt metering pump is then sent here by filament spinning component, removes impurity after filtration, after mixing, from spinnerets micropore, is sprayed into thread uniformly, then through lateral blowing cooling system cooling forming effect and form fiber;
5) fiber after shaping carries out oiling operation through oil feeding system, oiling to strand of oil feeding system homogeneous constant, avoids strand to cross friction in the process of each seal wire porcelain piece and produces electrostatic or reduce frictional resistance, arrive the object reducing fracture of wire;
6) fiber after oiling enters into pre-network device, and pre-network device makes strand tow under comparatively low pressure effect be wound around mutually, increases the coherent of silk;
7) two draw-off godets of the fiber after pre-network device process, are stretched and HEAT SETTING to strand by the friction speed of two draw-off godets, thus change the internal structure of silk, make silk reach quality requirement;
8) more processed fiber strand silk is sent in master network device, is strengthened the coherent of strand by master network device further, make silk reach internet pricing, be convenient to aft-loaded airfoil;
9) through the fiber strand silk of master network device operation again through a draw-off godet seal wire, and make strand evenly be coiled into the package of definite shape and capacity regularly eventually through winding operation, complete POY and process operation process;
10) the POY strand after shaping is sent to wire leading pipe again, then is transported in yarn cutter by wire leading pipe transmitting effect;
11) the POY strand after yarn cutter process is sent in first roller, grips strand by apron together with roller, and strand is stretched;
12) strand after roller process is sent to twist arrester, by twist arrester, strand is fixed on hot box top, plays the effect preventing strand yarn twist unevenness, and hot case then carries out heating operation to strand;
13) strand after heat treatment enters into coldplate and false twister, and the effect of coldplate is to fiber strand silk coiled structure fixing after false twisting, and the effect of false twister produces mechanical distortion stress, so that deformation processing;
14) strand after upper step process carries out on-line tension real-time inspection;
15) be sent in the second roller by the strand after inspection, the strand after the second roller process sends into the nozzle of interlace process;
16) strand after the nozzle of interlace process sends into the 3rd roller, and the strand that the 3rd roller exports is sent in yarn probe, yarn probe is then when silk breaks end, yarn probe can in time by information feed back to yarn cutter, silk cuts off by yarn cutter, and roller no longer passes through for no longer including strand in the whole the Silk Road of silk;
17) yarn probe detect after strand to be oiled operation by oil tanker, the effect of oil tanker mainly adds suitable finish to elastic filament, and its effect is the convergence improving fiber, increases the flatness of fiber, improves the antistatic behaviour of fiber;
18) strand after oiling makes strand evenly be coiled into the package of definite shape and capacity regularly finally by winding operation, completes DTY and processes operation process.
Wherein, the line density of shaping FDY controls at 24.1den, and fracture strength controls at 4.66g/den, elongation at break controls 66.2%, and internet pricing controls at 10/meter, and boiling water shrinkage controls 8.9%, oil content controls 0.50%, and the uniformity controls 1.63%, and Dyeing control is at 4.5 grades.
In technique, involved POY process conditions are: biphenyl temperature: 255 DEG C, melt temperature: 255 DEG C, spin pressure: 110kg/cm2, G.P rotating speed: 12.3rpm, M.P rotating speed: 11.5rpm, quench air speed: 0.40m/s, draw ratio DR:1.03, spins speed: 4600m/min; Involved DTY process conditions are: ingot group: 1-5-1, heater temperature: 168 DEG C, and draw ratio DR:1.23, D/Y compare: 1.85, oil tanker rotating speed: 0.35rpm.
The invention has the advantages that: production technology of the present invention is simple, efficient, and product quality is high, can effectively meet the need of market, and has wide market prospects.
Accompanying drawing explanation
The flow sheet of the POY part of Fig. 1 embodiment of the present invention.
Fig. 2 embodiment of the present invention from POY to DTY part flow sheet.
Detailed description of the invention
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate accompanying drawing, be described in detail below.
Referring to figs. 1 to Fig. 2, the present invention relates to the opposite sex cross-section fibers polyamide fibre production technology of a kind of novel fine dawn, produce as follows:
1) in feed bin, screw extruder is sent in the section needed for production that is stored and protection;
2) screw extruder section is carried out heating through feed zone, compression section, metering section, melting, metering produce predetermined pressure and extrude from the head of screw rod;
3) melt extruded enters into melt metering pump, melt metering pump then accurate measurement, continus convergence high polymer molten, and produce predetermined pressure, to ensure that spinning melt overcomes the resistance of filament spinning component, from spinnerets ejection, form as-spun fibre in atmosphere;
4) as-spun fibre is sent to filament spinning component, the melt that melt metering pump is then sent here by filament spinning component, removes impurity after filtration, after mixing, from spinnerets micropore, is sprayed into thread uniformly, then through lateral blowing cooling system cooling forming effect and form fiber;
5) fiber after shaping carries out oiling operation through oil feeding system, oiling to strand of oil feeding system homogeneous constant, avoids strand to cross friction in the process of each seal wire porcelain piece and produces electrostatic or reduce frictional resistance, arrive the object reducing fracture of wire;
6) fiber after oiling enters into pre-network device, and pre-network device makes strand tow under comparatively low pressure effect be wound around mutually, increases the coherent of silk;
7) two draw-off godets of the fiber after pre-network device process, are stretched and HEAT SETTING to strand by the friction speed of two draw-off godets, thus change the internal structure of silk, make silk reach quality requirement;
8) more processed fiber strand silk is sent in master network device, is strengthened the coherent of strand by master network device further, make silk reach internet pricing, be convenient to aft-loaded airfoil;
9) through the fiber strand silk of master network device operation again through a draw-off godet seal wire, and make strand evenly be coiled into the package of definite shape and capacity regularly eventually through winding operation, complete POY and process operation process;
10) the POY strand after shaping is sent to wire leading pipe again, then is transported in yarn cutter by wire leading pipe transmitting effect;
11) the POY strand after yarn cutter process is sent in first roller, grips strand by apron together with roller, and strand is stretched;
12) strand after roller process is sent to twist arrester, by twist arrester, strand is fixed on hot box top, plays the effect preventing strand yarn twist unevenness, and hot case then carries out heating operation to strand;
13) strand after heat treatment enters into coldplate and false twister, and the effect of coldplate is to fiber strand silk coiled structure fixing after false twisting, and the effect of false twister produces mechanical distortion stress, so that deformation processing;
14) strand after upper step process carries out on-line tension real-time inspection;
15) be sent in the second roller by the strand after inspection, the strand after the second roller process sends into the nozzle of interlace process;
16) strand after the nozzle of interlace process sends into the 3rd roller, and the strand that the 3rd roller exports is sent in yarn probe, yarn probe is then when silk breaks end, yarn probe can in time by information feed back to yarn cutter, silk cuts off by yarn cutter, and roller no longer passes through for no longer including strand in the whole the Silk Road of silk;
17) yarn probe detect after strand to be oiled operation by oil tanker, the effect of oil tanker mainly adds suitable finish to elastic filament, and its effect is the convergence improving fiber, increases the flatness of fiber, improves the antistatic behaviour of fiber;
18) strand after oiling makes strand evenly be coiled into the package of definite shape and capacity regularly finally by winding operation, completes DTY and processes operation process.
Wherein, the line density of shaping FDY controls at 24.1den, and fracture strength controls at 4.66g/den, elongation at break controls 66.2%, and internet pricing controls at 10/meter, and boiling water shrinkage controls 8.9%, oil content controls 0.50%, and the uniformity controls 1.63%, and Dyeing control is at 4.5 grades.
In technique, involved POY process conditions are: biphenyl temperature: 255 DEG C, melt temperature: 255 DEG C, spin pressure: 110kg/cm2, G.P rotating speed: 12.3rpm, M.P rotating speed: 11.5rpm, quench air speed: 0.40m/s, draw ratio DR:1.03, spins speed: 4600m/min; Involved DTY process conditions are: ingot group: 1-5-1, heater temperature: 168 DEG C, and draw ratio DR:1.23, D/Y compare: 1.85, oil tanker rotating speed: 0.35rpm.
Product under this technique has captured a following difficult problem:
1.POY is under the condition of 4600m/min high-speed spinning, and all kinds of process conditions configuration is proper, and spin condition, product quality is normal, AA leads up to 96%;
2., by cooperating with BASF producer, the quality of optimizing raw material section, solves and produces that ingot interdigit winding tension variation in POY process is large, large abnormal, the dyeing quality that promotes DTY finished product of finished product elongation at break variation;
3. develop KB-7259 finish by improveing spinning oil with Japanese bamboo our company cooperation, and be applied to this specification, improve the flatness of strand in spinning production process, follow-up woven spinnability, reduce POY, DTY, woven lousiness/filoplume rate.
4. improved link and the higher exception of the uniformity of POY by adjustment quench air speed and oily frame height, solve the exception of DTY product dyeing streak;
5., by each parameter stability systems such as Unitens on-line tension monitoring system Reasonable adjustment D/Y ratio, draw ratio DR, heater temperatures, DTY is produced and completely rolls up efficiency up to 89%, appearance yield is up to 99%;
6., by developing Hema the nozzle of interlace cooperatively with German Heberlein company, solve the shortcoming of the irregular fastness deficiency of nexus.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (3)
1. a novel fine dawn opposite sex cross-section fibers polyamide fibre production technology, is characterized in that, produce as follows:
1) in feed bin, screw extruder is sent in the section needed for production that is stored and protection;
2) screw extruder section is carried out heating through feed zone, compression section, metering section, melting, metering produce predetermined pressure and extrude from the head of screw rod;
3) melt extruded enters into melt metering pump, melt metering pump then accurate measurement, continus convergence high polymer molten, and produces predetermined pressure, to ensure that spinning melt overcomes the resistance of filament spinning component, from spinnerets ejection, forms as-spun fibre in atmosphere;
4) as-spun fibre is sent to filament spinning component, the melt that melt metering pump is then sent here by filament spinning component, removes impurity after filtration, after mixing, from spinnerets micropore, is sprayed into thread uniformly, then through lateral blowing cooling system cooling forming effect and form fiber;
5) fiber after shaping carries out oiling operation through oil feeding system, oiling to strand of oil feeding system homogeneous constant, avoids strand to cross friction in the process of each seal wire porcelain piece and produces electrostatic or reduce frictional resistance, arrive the object reducing fracture of wire;
6) fiber after oiling enters into pre-network device, and pre-network device makes strand tow under comparatively low pressure effect be wound around mutually, increases the coherent of silk;
7) two draw-off godets of the fiber after pre-network device process, are stretched and HEAT SETTING to strand by the friction speed of two draw-off godets, thus change the internal structure of silk, make silk reach quality requirement;
8) more processed fiber strand silk is sent in master network device, is strengthened the coherent of strand by master network device further, silk is reached and meets internet pricing requirement, be convenient to aft-loaded airfoil;
9) through the fiber strand silk of master network device operation again through a draw-off godet seal wire, and make strand evenly be coiled into the package of definite shape and capacity regularly eventually through winding operation, complete POY and process operation process;
10) the POY strand after shaping is sent to wire leading pipe again, then is transported in yarn cutter by wire leading pipe transmitting effect;
11) the POY strand after yarn cutter process is sent in first roller, grips strand by apron together with roller, and strand is stretched;
12) strand after roller process is sent to twist arrester, by twist arrester, strand is fixed on hot box top, plays the effect preventing strand yarn twist unevenness, and hot case then carries out heating operation to strand;
13) strand after heat treatment enters into coldplate and false twister, and the effect of coldplate is to fiber strand silk coiled structure fixing after false twisting, and the effect of false twister produces mechanical distortion stress, so that deformation processing;
14) strand after upper step process carries out on-line tension real-time inspection;
15) be sent in the second roller by the strand after inspection, the strand after the second roller process sends into the nozzle of interlace process;
16) strand after the nozzle of interlace process sends into the 3rd roller, and by the 3rd roller export strand be sent in yarn probe, yarn probe then when silk breaks end, yarn probe can in time by information feed back to yarn cutter, silk cuts off by yarn cutter, and roller no longer passes through for no longer including strand in the whole the Silk Road of silk;
17) yarn probe detect after strand to be oiled operation by oil tanker, the effect of oil tanker mainly adds suitable finish to elastic filament, and its effect is the convergence improving fiber, increases the flatness of fiber, improves the antistatic behaviour of fiber;
18) strand after oiling makes strand evenly be coiled into the package of definite shape and capacity regularly finally by winding operation, completes DTY and processes operation process.
2. a kind of novel fine dawn opposite sex cross-section fibers polyamide fibre production technology according to claim 1, it is characterized in that: the line density of wherein shaping FDY controls at 24.1den, fracture strength controls at 4.66g/den, elongation at break controls 66.2%, internet pricing controls at 10/meter, and boiling water shrinkage controls 8.9%, and oil content controls 0.50%, the uniformity controls 1.63%, and Dyeing control is at 4.5 grades.
3. a kind of novel fine dawn opposite sex cross-section fibers polyamide fibre production technology according to claim 1, it is characterized in that: in technique, involved POY process conditions are: biphenyl temperature: 255 DEG C, melt temperature: 255 DEG C, spin pressure: 110kg/cm2, G.P rotating speed: 12.3rpm, M.P rotating speed: 11.5rpm, quench air speed: 0.40m/s, draw ratio DR:1.03, spins speed: 4600m/min; Involved DTY process conditions are: ingot group: 1-5-1, heater temperature: 168 DEG C, and draw ratio DR:1.23, D/Y compare: 1.85, oil tanker rotating speed: 0.35rpm.
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| CN104593885A (en) * | 2015-01-19 | 2015-05-06 | 福建锦江科技有限公司 | Preparation method of chinlon 6 moisture absorption and sweat releasing draw-textured yarns |
| CN104928773A (en) * | 2015-07-08 | 2015-09-23 | 福建凯邦锦纶科技有限公司 | Nylon 6 deeply-dyed drawn yarn and production technology thereof |
| CN104928772B (en) * | 2015-07-08 | 2017-09-26 | 福建凯邦锦纶科技有限公司 | A kind of deep dye elastic filament of polyamide fibre 6 and its production technology |
| CN106319652A (en) * | 2015-07-10 | 2017-01-11 | 福建凯邦锦纶科技有限公司 | Preparation method of chinlon 6 fine denier stretch yarns |
| CN106319654B (en) * | 2015-07-10 | 2018-09-21 | 福建凯邦锦纶科技有限公司 | 6 elastic filament of cationic dye capable of dyeing polyamide fibre and its production technology |
| CN109137097A (en) * | 2018-09-19 | 2019-01-04 | 福建凯邦锦纶科技有限公司 | A kind of preparation process emulating silk |
| CN108950782A (en) * | 2018-09-19 | 2018-12-07 | 福建凯邦锦纶科技有限公司 | A kind of cladding process of polyamide fibre FDY and spandex |
| CN109610065A (en) * | 2019-01-08 | 2019-04-12 | 长乐力恒锦纶科技有限公司 | A kind of production technology of the elastic filament of 6 delustring regenerated fiber porous fine denier of polyamide fibre |
| CN111647988A (en) * | 2020-06-12 | 2020-09-11 | 浙江伊兰文科技股份有限公司 | Production process of hollow fiber and elastic yarn |
| CN112626659A (en) * | 2020-12-09 | 2021-04-09 | 江苏文凤化纤集团有限公司 | Production method of low-strength low-elongation semi-dull chinlon 6FDY crystal yarn |
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| CN101724265B (en) * | 2009-12-14 | 2011-10-26 | 杭州师范大学 | Denier/superfine denier nylon master granule, preoriented yarn (POY) and draw textured yarn (DTY) stretch yarn and preparation method thereof |
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