CN102409418A - Production method of terylene fine-denier porous yarn - Google Patents
Production method of terylene fine-denier porous yarn Download PDFInfo
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- CN102409418A CN102409418A CN2011102654105A CN201110265410A CN102409418A CN 102409418 A CN102409418 A CN 102409418A CN 2011102654105 A CN2011102654105 A CN 2011102654105A CN 201110265410 A CN201110265410 A CN 201110265410A CN 102409418 A CN102409418 A CN 102409418A
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Abstract
The invention discloses a production method of terylene fine-denier porous yarn. The production method comprises the following steps of: slice drying, screw extrusion and melting, metering pump arrangement, spinning, cross air blasting and cooling, oiling, stretching, primary network arrangement and coiling and shaping, and is characterized in that: in the spinning step, a three-groove type spinneret plate is adopted, the three-groove type spinneret plate is provided with three separation strips which divide spinneret orifices into four parts, and air permeation gaps are formed among the yarn ejected by the four parts when yarn is ejected; in the cross air blasting and cooling step, a cross air blasting air conditioner is adopted, and the air permeation gaps are parallel to the direction of cross blasting air; an air blasting flow distributor composed of horizontal flow distributing sheets which are arranged at intervals is arranged at the upper part of a cross air blasting yarn window and used for distributing the flow of the upper cross blasting air; in the oiling step, two-step oiling is carried out by firstly oiling with a nozzle and then oiling with an oil wheel; and a network presetting process is carried out between the oiling step and the stretching step. According to the production method of terylene fine-denier porous yarn disclosed by the invention, production of fine-denier porous yarn by cross air blasting and cooling can be achieved.
Description
Technical field
The present invention relates to a kind of production technology of chemical fibre silk, especially a kind of production method of dacron fine-denier porous silk.
Background technology
Along with further developing of chemical fibre industry, the technology and the quality requirement of fiber product are increasingly high, particularly present most of fused mass directly spinning enterprise adopt one after another the ring blast-cold but mode produce thin dawn or super fine denier porous silk; Product quality has obtained the consistent of client and has approved; And market demand is increasing, but the most of lateral blowing type of cooling that adopts of enterprise is spun in traditional section at present, can't produce porous fine denier or superfine Denier fibre; Main cause is that thin dawn or super fine denier product filament number are low; Hole count is many, and cooling air can't penetrate tow smoothly when tow cools off, and causes the tow inhomogeneous cooling even; Tow cooling effect near side-blown slight wind window one side is better, and can not get abundant cooling away from the tow of side-blown slight wind window one side; In addition; The tow band that the wind on side-blown slight wind window top is walked about downwards easily askew (band downwards), thus greatly reduce the cooling effect of this part lateral blowing, finally formed lousiness or doubling; The product of being produced can't looming weaving; Product quality can not get client's approval, and therefore fine-denier porous silk can only adopt the type of cooling of ring blowing, and utilize lateral blowing to produce fine-denier porous silk is the bottleneck problem in the industry always.
Summary of the invention
The production method of the dacron fine-denier porous silk of a kind of cooling effect that can effectively guarantee tow that the objective of the invention is to design for the deficiency that solves above-mentioned technology adopts this method can realize producing fine-denier porous silk with the lateral blowing cooling.
The production method of the present invention designed dacron fine-denier porous silk comprises the steps: that chip drying, screw rod extrusion molten, measuring pump, spinning, blowing are cooled off, oiled, drawing-off, master network, coiling and molding, it is characterized in that:
In the spinning step: adopt three slot type spinneretss, described three slot type spinneretss are provided with three dividing strips spinneret orifice are divided into four parts, form ventilative gap during wire vent between the silk of these four part ejections;
In the blowing cooling step: adopt air quench condition, said ventilative gap is parallel with the lateral blowing wind direction; On side-blown slight wind window top the blowing rectifier of being made up of the horizontal commutator segment that is provided with at interval is set, superposed lateral blowing is carried out rectification;
In the step that oils: adopted for two steps oiled, oil with nozzle earlier, oil with oil tanker again;
Also be provided with preparatory network step between step and the drafting step oiling.
Preferred scheme is: in the blowing cooling step: be provided with arc notch on the described horizontal commutator segment; When walking about, tow just in time is positioned at this breach; Like this, because tow is the flowing mode of walking of " being embedded in the blowing rectifier ", because the effect of horizontal commutator segment; Lateral blowing just can be with askew, and this mode cooling effect is better than not adopting.Preferably arc is provided with the arcuate guide sheet on described arc notch limit, and this arcuate guide sheet can form the effect that a ring blows like this with the intrafascicular heart of lateral blowing guide wire of level, and lateral blowing almost can cool off it around tow, and cooling effect is better.
Further scheme is: in the spinning step: 293 ℃ of spinning temperatures, spinning speed are 4300 meters/minute, and described spinneret is 288 for 85mm, spinneret orifice number directly;
In the blowing cooling step: 32 ℃～35 ℃ of side-blown slight wind window temperature controls, wind speed control 0.80 ± 0.05m/s;
In the step that oils: the rate of oiling is controlled at 0.8% ± 0.5;
In preparatory network step: network pressure is controlled at 0.8 kilogram;
In drafting step: drafting multiple is 1.65 times, and the first drawing-off hot-rolling speed is that 2662 meters/minute, temperature are 76 ℃, and the second drawing-off hot-rolling speed is that 4392 meters/minute, temperature are 116 ℃;
In the master network step: network pressure is controlled at 1.8 kilograms.
The beneficial effect of the production method of the dacron fine-denier porous silk of gained of the present invention is:
1, has ventilative gap between the silk by the spinnerets ejection; Lateral blowing can pass this ventilative gap; Thereby the increase film-cooled heat not only can effectively cool off the tow near side-blown slight wind window one side, and can guarantee fully to be cooled off away from the tow of side-blown slight wind window one side; Because the effect of blowing rectifier, the difficult tow band of being walked about downwards of wind that is positioned at side-blown slight wind window top is askew, has controlled the stability of lateral blowing, guarantees its cooling capacity, has effectively reduced broken end phenomenon and wild effect;
2, adopted for two steps oiled, can effectively improve the uniformity that oils, improve the Color of product;
Tow was beated on the hot-rolling when 3, the network step can prevent drawing-off in advance, and amplitude is big, broken end situation how.
Description of drawings
Fig. 1 is the structural representation of spinnerets of the present invention;
Fig. 2 is the sketch map of 1 window of embodiment;
Fig. 3 is the sketch map of embodiment 2 blowing rectifiers;
Fig. 4 is the sketch map of embodiment 3 horizontal commutator segment arc notch;
Among the figure: spinnerets 1, dividing strip 2, spinneret orifice 3, blowing rectifier 4, horizontal commutator segment 5, arc notch 6, arcuate guide sheet 7, side-blown slight wind window 8, tow 9.
The specific embodiment
Combine accompanying drawing that the present invention is done further description through embodiment below.
Embodiment 1:
The production method of the described dacron fine-denier porous silk of present embodiment comprises the steps: that chip drying, screw rod extrusion molten, measuring pump, spinning, blowing are cooled off, oiled, drawing-off, master network, coiling and molding, it is characterized in that:
In the spinning step: adopt three slot type spinneretss 1 (as shown in Figure 1), described three slot type spinneretss 1 are provided with three dividing strips 2 spinneret orifice 3 are divided into four parts, form ventilative gap during wire vent between the silk of these four part ejections;
In the blowing cooling step: adopt air quench condition, said ventilative gap is parallel with the lateral blowing wind direction; On side-blown slight wind window 8 tops the blowing rectifier of being made up of the horizontal commutator segment 5 that is provided with at interval 4 (as shown in Figure 2) is set, superposed lateral blowing is carried out rectification;
In the step that oils: adopted for two steps oiled, oil with nozzle earlier, oil with oil tanker again;
Also be provided with preparatory network step between step and the drafting step oiling.
The beneficial effect of the production method of the described dacron fine-denier porous silk of present embodiment is:
1, has ventilative gap between the silk by spinnerets 1 ejection; Lateral blowing can pass this ventilative gap; Thereby the increase film-cooled heat not only can effectively cool off the tow near side-blown slight wind window 8 one sides, and can guarantee fully to be cooled off away from the tow of side-blown slight wind window 8 one sides; Because the effect of blowing rectifier 4, the difficult tow band of being walked about downwards of wind that is positioned at side-blown slight wind window 8 tops is askew, has controlled the stability of lateral blowing, guarantees its cooling capacity, has effectively reduced broken end phenomenon and wild effect;
2, adopted for two steps oiled, can effectively improve the uniformity that oils, improve the Color of product;
Tow was beated on the hot-rolling when 3, the network step can prevent drawing-off in advance, and amplitude is big, broken end situation how.
Embodiment 2
The production method of the described dacron fine-denier porous silk of present embodiment; Be used to produce the FDY of 167D/288F; Comprise the steps: that chip drying, screw rod extrusion molten, measuring pump, spinning, blowing are cooled off, oiled, drawing-off, master network, coiling and molding, it is characterized in that:
In the spinning step: adopt three slot type spinneretss 1, described three slot type spinneretss 1 are provided with three dividing strips 2 spinneret orifice 3 are divided into four parts, form ventilative gap during wire vent between the silk of these four part ejections; Wherein, 293 ℃ of spinning temperatures, spinning speed are 4300 meters/minute, and described spinnerets 1 plate is 288 for 85mm, spinneret orifice 3 numbers directly;
In the blowing cooling step: adopt air quench condition, said ventilative gap is parallel with the lateral blowing wind direction; (whole silk window top four/part) is provided with the blowing rectifier of being made up of the horizontal commutator segment 5 that is provided with at interval 4 on side-blown slight wind window 8 tops; Superposed lateral blowing is carried out rectification; Described horizontal commutator segment 5 is provided with arc notch 6 (as shown in Figure 3), just in time is positioned at this breach when tow is walked about; Wherein, 32 ℃～35 ℃ of side-blown slight wind window 8 temperature controls, wind speed control 0.80 ± 0.05m/s;
In the step that oils: adopted for two steps oiled, oil with nozzle earlier, oil with oil tanker again; Wherein, the rate of oiling is controlled at 0.8% ± 0.5;
Also be provided with preparatory network step between step and the drafting step oiling, network pressure is controlled at 0.8 kilogram in network step in advance;
In drafting step: drafting multiple is 1.65 times, and the first drawing-off hot-rolling speed is that 2662 meters/minute, temperature are 76 ℃, and the second drawing-off hot-rolling speed is that 4392 meters/minute, temperature are 116 ℃;
In the master network step: network pressure is controlled at 1.8 kilograms.
Wherein, the raw material section is adopted and is had much the light section, the chipping qualities index:
(1) fusing point: >=260 ℃,
(2) inherent viscosity: 0.65dl/g,
It is oil solution dedicated that spinning oil adopts Japan to produce this F-1489FDY of bamboo, matched proportion density: 12.5%;
The product the key technical indexes that adopts the described dacron fine-denier porous production method of present embodiment to produce is following:
1, line density: 167dtex/288F
2, line density deviation ratio: ± 0.3%
3, fracture strength: >=3.5CN/dtex
4, elongation at break: 25% ± 5.0%
5, boiling water shrinkage: 9.0% ± 0.5%
6, oil content: 0.85% ± 0.5%
7, network degree: 10 ± 5/meter
8, dye uniformity: evenly (5 grades on >=ash card)
This product is mainly used in produces high-grade snow Neil decorative product; Particularly have the decorative fabric high-grade luxurious, soft, that matte is plentiful, drapability is good, originally made this lining, because its specification is 167dtex/288F; Therefore the inherent quality to polyster fibre requires quite high; Lateral blowing to spinning requires relatively harshness, and the spinning difficulty is bigger, the bar of fiber is done uniformity have quite high requirement; Dyeing uniformity also require to be up to state standards 5 grades on ash card; Therefore must adopt the ring of fused mass directly spinning to blow the production method that veneer spins dacron fine-denier porous silk, and the product that the production method of the described dacron fine-denier porous silk of present embodiment is produced, that can satisfy effectively that top grade avenges the Neil decorative product wants the product quality requirement.
Embodiment 3:
The production method of the described dacron fine-denier porous silk of present embodiment; Different with embodiment 2 is: as shown in Figure 4; Be provided with arcuate guide sheet 7 at described arc notch 6 limit arcs, this arcuate guide sheet 7 can form the effect that a ring blows like this with the intrafascicular heart of lateral blowing guide wire of level; Lateral blowing almost can cool off it around tow, and cooling effect is better.
The production method of the described dacron fine-denier porous silk of present embodiment can be used for producing the 300D/576F low-stretch yarn.
Specific embodiment described herein only is that design of the present invention is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (4)
1. the production method of a dacron fine-denier porous silk comprises the steps: that chip drying, screw rod extrusion molten, measuring pump, spinning, blowing are cooled off, oiled, drawing-off, master network, coiling and molding, it is characterized in that:
In the spinning step: adopt three slot type spinneretss, described three slot type spinneretss are provided with three dividing strips spinneret orifice are divided into four parts, form ventilative gap during wire vent between the silk of these four part ejections;
In the blowing cooling step: adopt air quench condition, said ventilative gap is parallel with the lateral blowing wind direction; On side-blown slight wind window top the blowing rectifier of being made up of the horizontal commutator segment that is provided with at interval is set, superposed lateral blowing is carried out rectification;
In the step that oils: adopted for two steps oiled, oil with nozzle earlier, oil with oil tanker again;
Also be provided with preparatory network step between step and the drafting step oiling.
2. the production method of dacron fine-denier porous silk according to claim 1 is characterized in that in the blowing cooling step: be provided with arc notch on the described horizontal commutator segment, just in time be positioned at this breach when tow is walked about.
3. the production method of dacron fine-denier porous silk according to claim 2, it is characterized in that in the blowing cooling step: arc is provided with the arcuate guide sheet on described arc notch limit, and this arcuate guide sheet is with the intrafascicular heart of lateral blowing guide wire of level.
4. according to the production method of claim 1 or 2 or 3 described dacron fine-denier porous silks, it is characterized in that:
In the spinning step: 293 ℃ of spinning temperatures, spinning speed are 4300 meters/minute, and described spinneret is 288 for 85mm, spinneret orifice number directly;
In the blowing cooling step: 32 ℃～35 ℃ of side-blown slight wind window temperature controls, wind speed control 0.80 ± 0.05m/s;
In the step that oils: the rate of oiling is controlled at 0.8% ± 0.5;
In preparatory network step: network pressure is controlled at 0.8 kilogram;
In drafting step: drafting multiple is 1.65 times, and the first drawing-off hot-rolling speed is that 2662 meters/minute, temperature are 76 ℃, and the second drawing-off hot-rolling speed is that 4392 meters/minute, temperature are 116 ℃;
In the master network step: network pressure is controlled at 1.8 kilograms.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102926011A (en) * | 2012-10-31 | 2013-02-13 | 张家港锦亿化纤有限公司 | Heat preservation plate in cross air blow device |
| CN105926060A (en) * | 2016-06-12 | 2016-09-07 | 福建百宏聚纤科技实业有限公司 | Melt direct spinning superfine denier polyester filament and making method thereof |
| CN109137101A (en) * | 2018-08-07 | 2019-01-04 | 浙江彩蝶实业有限公司 | The production technology of high tenacity polyester fiber DTY |
| CN111636104A (en) * | 2020-05-27 | 2020-09-08 | 浙江恒优化纤有限公司 | Composite spinning equipment and composite spinning process |
| CN113668077A (en) * | 2021-09-08 | 2021-11-19 | 浙江佳人新材料有限公司 | Production method of regenerated FDY (fully drawn yarn) environment-friendly bright fine denier fiber |
| CN115142168B (en) * | 2022-01-07 | 2023-08-01 | 桐昆集团浙江恒通化纤有限公司 | Production method and device of special DTY (draw textured yarn) fiber for special chenille yarns |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102926011A (en) * | 2012-10-31 | 2013-02-13 | 张家港锦亿化纤有限公司 | Heat preservation plate in cross air blow device |
| CN105926060A (en) * | 2016-06-12 | 2016-09-07 | 福建百宏聚纤科技实业有限公司 | Melt direct spinning superfine denier polyester filament and making method thereof |
| CN109137101A (en) * | 2018-08-07 | 2019-01-04 | 浙江彩蝶实业有限公司 | The production technology of high tenacity polyester fiber DTY |
| CN111636104A (en) * | 2020-05-27 | 2020-09-08 | 浙江恒优化纤有限公司 | Composite spinning equipment and composite spinning process |
| CN113668077A (en) * | 2021-09-08 | 2021-11-19 | 浙江佳人新材料有限公司 | Production method of regenerated FDY (fully drawn yarn) environment-friendly bright fine denier fiber |
| CN115142168B (en) * | 2022-01-07 | 2023-08-01 | 桐昆集团浙江恒通化纤有限公司 | Production method and device of special DTY (draw textured yarn) fiber for special chenille yarns |
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Effective date of registration: 20200228 Address after: No. 188, Kunming Road, zhouquan Town, Tongxiang City, Jiaxing City, Zhejiang Province Patentee after: Tongkun Group Zhejiang Hengchao Chemical Fiber Co., Ltd Address before: Tongxiang City Qingfeng road Jiaxing City, Zhejiang province 314513 No. 199 Patentee before: Tongkun Group Co., Ltd. |