CN102912460A - Method for preparing elastic and glossy dacron drawing yarns with potential crimps - Google Patents
Method for preparing elastic and glossy dacron drawing yarns with potential crimps Download PDFInfo
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- CN102912460A CN102912460A CN201210429144XA CN201210429144A CN102912460A CN 102912460 A CN102912460 A CN 102912460A CN 201210429144X A CN201210429144X A CN 201210429144XA CN 201210429144 A CN201210429144 A CN 201210429144A CN 102912460 A CN102912460 A CN 102912460A
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Abstract
The invention relates to a method for preparing elastic and glossy dacron drawing yarns with potential crimps. A glossy polyester melt is used as a raw material. The method comprises the steps of 1, conveying the raw material to a spinning box, and forming melt-shaped fibers after measurement and the filtration of a spinning assembly; 2, after solidifying the melt to as-spun fibers, dividing the fibers into two groups, cooling one group of fibers by a side blowing device, arranging one group of heating devices in front of an air inlet of the side blowing device, arranging one group of steam pipelines in the heating devices, controlling an air temperature between 32 DEG C and 40 DEG C, controlling a side blowing speed at 0.5-0.8 m/s, and conveying the other group of fibers to an air-free device, wherein the length of an air-free zone of a spinneret plate is 150 mm, and the air pressure of a side blower is set to 480-600 pa; and 3, after applying oil with an oil nozzle, respectively combining two groups of filaments with crystallization difference by a pre-interlacer in a one-to-one way, then increasing interlacing points by a first hot godet, a second hot godet and a main interlacer, and finally winding and molding by a winder head.
Description
Technical field
The present invention relates to the preparation method of polyster fibre, refer more particularly to the preparation method that a kind of latent crimp elasticity has the light polyester drawn yarns.
Background technology
Terylene is as one of the large main force of three in synthetic fiber fiber, because its good physics and chemistry characteristic is widely used in garment material and other non-garment industries.Dacron product since coming out, also once with its drapability is good, intensity is high, well-pressed and be used as main textile raw material by downstream user and weave all kinds of textiless.Along with economic globalization, internationalizationof of market, people are also more and more higher to the requirement of clothes, not only will have comfortableness, also will have functional, just to light, gentle, functional future development, composite fibre materials just need to improve constantly performance and satisfy requirements of weaving process fabric.
Over past ten years, the development of China polyester industrial rapidly, polyester fiber output is 516.5 ten thousand tons of 2,700 ten thousand tons of developing into for the year ends 2010 at the beginning of 2000, average annual growth rate surpasses 25%, has accounted for 66% of global polyester output.Terylene has become the synthetic fiber kind of output maximum in the chemical fibre, is widely used in clothing, decoration, household textiles, fabrics for industrial use and the national economy various aspects such as national defence, Industrial Engineering.5 years from now on, also will keep rapid growth.But as textile material, polyester fiber also has obvious shortcoming.Therefore, the processing method of selection science, efficient, high-quality, energy-saving and environmental protection is to adapting to and promoting that the high speed sustainable development of polyester industrial, polyster fibre is most important.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of latent crimp elasticity that the preparation method of light polyester drawn yarns is arranged, its not only can make have a nature curl characteristics the light polyester drawn yarns arranged, and it is easy to prepare, efficient, high-quality, energy-saving and environmental protection.
For addressing the above problem, the technical solution used in the present invention is: a kind of latent crimp elasticity has the preparation method of light polyester drawn yarns, with by the p-phthalic acid, the ethylene glycol polymerization is made, and to have light directly to spin melt be raw material, comprise the steps: that (one) will have light directly to spin melt is 280～285 ℃ of melt Conveying pipelines in the scope by temperature, simultaneously under the effect of booster pump, be conveyed into spinning manifold and through the measuring pump accurate measurement, after filtering, the filament spinning component of melt in spinning manifold form melt shape fiber, wherein the spinnerets pass adopts the triangular form structure, spinning temperature is 290～295 ℃, and spinning speed is 5000～5200 m/mins; (2) melt spues through spinnerets, and to be cured into as-spun fibre be that 12 rhizoid bundles are divided into 2 groups, every group has 6 rhizoid bundles, one group is cooled off through cross air blowing device, before the air inlet of cross air blowing device, load onto one group of heater, in heater, load onto one group of jet chimney, arbitrarily regulate the wind pushing temperature of lateral blowing by the switch on the steam regulation pipeline, wind-warm syndrome is controlled at: 32 ℃～40 ℃, the wind speed of lateral blowing is 0.5～0.8m/s, to guarantee the evenly cooling under certain high-temperature hot-air of this cocainine bundle, another group process is without wind apparatus, and wherein the length of spinnerets zone of silence is at 150mm, and the blast that the side-blown blower fan is set is 480～600 handkerchiefs; (3) after the process oil nozzle oils again, respectively two groups of tow that crystallization difference arranged are merged to integrate one to one through pre-Network device and become 6 rhizoid bundles, then through the first hot-rolling and the second hot-rolling drawing and setting, the temperature of the first hot-rolling is 88-95 ℃, the temperature of the second hot-rolling is 150～170 ℃, increase nexus through Network device again, finally be shaped by the winding head package.
Described oil nozzle oils in the step, and spinnerets to distance between oil nozzle is 600～750mm.
Compressed-air actuated pressure is in the described pre-Network device: 1.0～1.3kg.
The pressure that described booster pump provides is 8～10kg/cm2.
Before lateral blowing cooling, make first melt pass through impurity in 60 to the 80 purpose metal sand assembly melt filtration.
The rotating speed of described measuring pump is 37～39 rev/mins, and oil concentration is 16～18%.
Tow around 9.5 circles, encloses around 7.5 on the second hot rod on the first hot rod through the first hot rod and the second hot-rolling drawing and setting the time.
The pressure sky of described Network device is 3.5～4.0kg.
The invention has the beneficial effects as follows: above-mentioned latent crimp elasticity has the preparation method of light polyester drawn yarns, it utilizes original production equipment, the cooling of employing lateral blowing, before the air inlet of this device, load onto one group of heater, in heater, load onto one group of jet chimney, arbitrarily regulate the wind pushing temperature of lateral blowing by the switch on the steam regulation pipeline, to guarantee the evenly cooling under certain high-temperature hot-air of this cocainine bundle, another group process is without wind apparatus, not only use air quantity little, and equipment investment is few, easy to implement, efficiently, high-quality, energy-conservation, environmental protection, not only can make have a nature curl characteristics the light polyester drawn yarns arranged, and the fabric of the polyester filament of producing and braiding has the characteristics such as nature curl characteristics, thereby has good promotional value.
Description of drawings
Fig. 1 is without the structural representation of wind apparatus among the present invention;
Fig. 2 is the structural representation of heater among Fig. 1;
Among the figure: 1, without wind apparatus, 2, cross air blowing device, 3, heater, 4, jet chimney, 5, the air inlet of lateral blowing.
The specific embodiment
There is the preparation method of light polyester drawn yarns to be described in further detail below by specific embodiment to a kind of latent crimp elasticity of the present invention.
Embodiment 1
A kind of latent crimp elasticity has the preparation method of light polyester drawn yarns, directly spin melt as raw material take the light that has of being made by p-phthalic acid, ethylene glycol polymerization, comprise the steps: that (one) will have light directly to spin melt under the effect of booster pump, be 280 ℃ of melt Conveying pipelines in the scope by temperature, the melt Conveying pipeline adopts biphenyl gas phase heating agent to regulate melt temperature, in order to prevent that spinning spinning the serious silk that wafts, broken end phenomenon occur, can control melt residence time, prevent from causing the degraded of polyester macromolecule to aggravate after long-time the stop.Simultaneously be conveyed into spinning manifold under the effect of booster pump, the pressure that described booster pump provides is 8kg/cm
2, and through after the measuring pump accurate measurement, the rotating speed of described measuring pump is 37 rev/mins, and oil concentration is 16%, forms melt shape fiber after the filament spinning component in spinning manifold filters, and wherein spinning temperature is 292 ℃, and spinning speed is 5200 m/mins.(2) melt sprays 12 rhizoid bundles and is divided into 2 groups from spinnerets, every group has 6 rhizoid bundles, as shown in Figure 1, wind enters one group through lateral-blowing air cooling device 2 from air inlet 5, before lateral blowing cooling, make first melt pass through impurity in 60 to the 80 purpose metal sand assembly melt filtration, another group is through without wind apparatus 1, wherein the length of spinnerets zone of silence is at 150mm, and the blast that the side-blown blower fan is set is 480 handkerchiefs.Melt sprays from spinnerets and is cured into as-spun fibre, one group through cross air blowing device 2, one group of heater 3 is loaded onto in air inlet 5 fronts at device, as shown in Figure 2, in heater 3, load onto one group of jet chimney 4, control the wind pushing temperature of lateral blowing by the switch on the steam regulation pipeline, take wind-warm syndrome as 32 ℃, the wind speed of lateral blowing is that the speed of 0.5m/s is cooled off tow, and another group process is without behind the wind apparatus 2, and tow oils through oil nozzle respectively, when oil nozzle oils, spinnerets position to distance between oil nozzle be 750mm, respectively two groups of tow that crystallization difference arranged is merged integration one to one through pre-Network device and becomes 6 rhizoid bundles, and compressed-air actuated pressure is in the described pre-Network device: 1kg, then through the first hot-rolling and the second hot-rolling drawing and setting, the first heat roller temperature is 90 ℃, and the second heat roller temperature is 150 ℃, encloses around 9.5 on the first hot rod, on the second hot rod, enclose around 7.5, increase nexus through Network device again, the pressure sky of described Network device is 3.5kg, finally is shaped by the winding head package.
A kind of latent crimp elasticity has the preparation method of light polyester drawn yarns, directly spin melt as raw material take the light that has of being made by p-phthalic acid, ethylene glycol polymerization, comprise the steps: that (one) will have light directly to spin melt under the effect of booster pump, be 280 ℃ of melt Conveying pipelines in the scope by temperature, the melt Conveying pipeline adopts biphenyl gas phase heating agent to regulate melt temperature, in order to prevent that spinning spinning the serious silk that wafts, broken end phenomenon occur, can control melt residence time, prevent from causing the degraded of polyester macromolecule to aggravate after long-time the stop.Simultaneously be conveyed into spinning manifold under the effect of booster pump, the pressure that described booster pump provides is 9kg/cm
2, and through after the measuring pump accurate measurement, the rotating speed of described measuring pump is 38 rev/mins, and oil concentration is 17%, forms melt shape fiber after the filament spinning component in spinning manifold filters, and wherein spinning temperature is 292 ℃, and spinning speed is 5200 m/mins.(2) melt sprays 12 rhizoid bundles and is divided into 2 groups from spinnerets, every group has 6 rhizoid bundles, as shown in Figure 1, wind enters one group through lateral-blowing air cooling device 2 from air inlet 5, before lateral blowing cooling, make first melt pass through impurity in 60 to the 80 purpose metal sand assembly melt filtration, another group is through without wind apparatus 1, wherein the length of spinnerets zone of silence is at 150mm, and the blast that the side-blown blower fan is set is 480 handkerchiefs.Melt sprays from spinnerets and is cured into as-spun fibre, one group through cross air blowing device 2, one group of heater 3 is loaded onto in air inlet 5 fronts at device, as shown in Figure 2, in heater 3, load onto one group of jet chimney 4, control the wind pushing temperature of lateral blowing by the switch on the steam regulation pipeline, take wind-warm syndrome as 32 ℃, the wind speed of lateral blowing is that the speed of 0.5m/s is cooled off tow, another group process is without behind the wind apparatus 2, tow oils through oil nozzle respectively, when oil nozzle oils, spinnerets position to distance between oil nozzle is 700mm, respectively two groups of tow that crystallization difference arranged are merged to integrate one to one through pre-Network device and become 6 rhizoid bundles, compressed-air actuated pressure is in the described pre-Network device: 1.2kg, then through the first hot-rolling and the second hot-rolling drawing and setting, the first heat roller temperature is 90 ℃, the second heat roller temperature is 150 ℃, on the first hot rod, enclose around 9.5, on the second hot rod, enclose around 7.5, increase nexus through Network device again, the pressure sky of described Network device is 3.7kg, finally is shaped by the winding head package.
A kind of latent crimp elasticity has the preparation method of light polyester drawn yarns, directly spin melt as raw material take the light that has of being made by p-phthalic acid, ethylene glycol polymerization, comprise the steps: that (one) will have light directly to spin melt under the effect of booster pump, be 280 ℃ of melt Conveying pipelines in the scope by temperature, the melt Conveying pipeline adopts biphenyl gas phase heating agent to regulate melt temperature, in order to prevent that spinning spinning the serious silk that wafts, broken end phenomenon occur, can control melt residence time, prevent from causing the degraded of polyester macromolecule to aggravate after long-time the stop.Simultaneously be conveyed into spinning manifold under the effect of booster pump, the pressure that described booster pump provides is 10kg/cm
2, and through after the measuring pump accurate measurement, the rotating speed of described measuring pump is 39 rev/mins, and oil concentration is 18%, forms melt shape fiber after the filament spinning component in spinning manifold filters, and wherein spinning temperature is 292 ℃, and spinning speed is 5200 m/mins.(2) melt sprays 12 rhizoid bundles and is divided into 2 groups from spinnerets, every group has 6 rhizoid bundles, as shown in Figure 1, wind enters one group through lateral-blowing air cooling device 2 from air inlet 5, before lateral blowing cooling, make first melt pass through impurity in 60 to the 80 purpose metal sand assembly melt filtration, another group is through without wind apparatus 1, wherein the length of spinnerets zone of silence is at 150mm, and the blast that the side-blown blower fan is set is 480 handkerchiefs.Melt sprays from spinnerets and is cured into as-spun fibre, one group through cross air blowing device 2, one group of heater 3 is loaded onto in air inlet 5 fronts at device, as shown in Figure 2, in heater 3, load onto one group of jet chimney 4, control the wind pushing temperature of lateral blowing by the switch on the steam regulation pipeline, take wind-warm syndrome as 32 ℃, the wind speed of lateral blowing is that the speed of 0.5m/s is cooled off tow, another group process is without behind the wind apparatus 2, tow oils through oil nozzle respectively, when oil nozzle oils, spinnerets position to distance between oil nozzle is 750mm, respectively two groups of tow that crystallization difference arranged are merged to integrate one to one through pre-Network device and become 6 rhizoid bundles, compressed-air actuated pressure is in the described pre-Network device: 1.3kg, then through the first hot-rolling and the second hot-rolling drawing and setting, the first heat roller temperature is 90 ℃, the second heat roller temperature is 150 ℃, on the first hot rod, enclose around 9.5, on the second hot rod, enclose around 7.5, increase nexus through Network device again, the pressure sky of described Network device is 4.0kg, finally is shaped by the winding head package.
The above embodiments are principle and the effect thereof of illustrative the invention only, and the embodiment of part utilization, but not is used for restriction the present invention; Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the invention design, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (8)
1. a latent crimp elasticity has the preparation method of light polyester drawn yarns, with by the p-phthalic acid, the ethylene glycol polymerization is made, and to have light directly to spin melt be raw material, it is characterized in that: comprise the steps: that (one) will have light directly to spin melt is 280～285 ℃ of melt Conveying pipelines in the scope by temperature, simultaneously under the effect of booster pump, be conveyed into spinning manifold and through the measuring pump accurate measurement, after filtering, the filament spinning component of melt in spinning manifold form melt shape fiber, wherein the spinnerets pass adopts the triangular form structure, spinning temperature is 290～295 ℃, and spinning speed is 5000～5200 m/mins; (2) melt spues through spinnerets, and to be cured into as-spun fibre be that 12 rhizoid bundles are divided into 2 groups, every group has 6 rhizoid bundles, one group is cooled off through cross air blowing device, before the air inlet of cross air blowing device, load onto one group of heater, in heater, load onto one group of jet chimney, arbitrarily regulate the wind pushing temperature of lateral blowing by the switch on the steam regulation pipeline, wind-warm syndrome is controlled at: 32 ℃～40 ℃, the wind speed of lateral blowing is 0.5～0.8m/s, to guarantee the evenly cooling under certain high-temperature hot-air of this cocainine bundle, another group process is without wind apparatus, and wherein the length of spinnerets zone of silence is at 150mm, and the blast that the side-blown blower fan is set is 480～600 handkerchiefs; (3) after the process oil nozzle oils again, respectively two groups of tow that crystallization difference arranged are merged to integrate one to one through pre-Network device and become 6 rhizoid bundles, then through the first hot-rolling and the second hot-rolling drawing and setting, the temperature of the first hot-rolling is 88-95 ℃, the temperature of the second hot-rolling is 150～170 ℃, increase nexus through Network device again, finally be shaped by the winding head package.
2. a kind of latent crimp elasticity according to claim 1 has the preparation method of light polyester drawn yarns, it is characterized in that: described oil nozzle oils in the step, and spinnerets to distance between oil nozzle is 600～750mm.
3. a kind of latent crimp elasticity according to claim 1 has the preparation method of light polyester drawn yarns, it is characterized in that: compressed-air actuated pressure is in the described pre-Network device: 1.0～1.3kg.
4. a kind of latent crimp elasticity according to claim 1 has the preparation method of light polyester drawn yarns, it is characterized in that: the pressure that described booster pump provides is 8～10kg/cm2.
5. a kind of latent crimp elasticity according to claim 1 has the preparation method of light polyester drawn yarns, it is characterized in that: before lateral blowing cooling, make first melt pass through impurity in 60 to the 80 purpose metal sand assembly melt filtration.
6. a kind of latent crimp elasticity according to claim 1 has the preparation method of light polyester drawn yarns, it is characterized in that: the rotating speed of described measuring pump is 37～39 rev/mins, and oil concentration is 16～18%.
7. a kind of latent crimp elasticity according to claim 1 has the preparation method of light polyester drawn yarns, it is characterized in that: tow around 9.5 circles, encloses around 7.5 on the second hot rod on the first hot rod through the first hot rod and the second hot-rolling drawing and setting the time.
8. a kind of latent crimp elasticity according to claim 1 has the preparation method of light polyester drawn yarns, it is characterized in that: the pressure sky of described Network device is 3.5～4.0kg.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104141175A (en) * | 2013-05-08 | 2014-11-12 | 江苏德力化纤有限公司 | Super-fine denier FDY (fully drawn yarn) spinning equipment and spinning process |
| CN105113030A (en) * | 2015-09-29 | 2015-12-02 | 李文霞 | Polyester filament yarn producing device |
| CN105200541A (en) * | 2015-08-18 | 2015-12-30 | 浙江盛元化纤有限公司 | Manufacturing method of variable-performance melt spun fiber |
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Application publication date: 20130206 |