CN103305928A - Heat treatment processing process for superfine denier imitated yarns - Google Patents
Heat treatment processing process for superfine denier imitated yarns Download PDFInfo
- Publication number
- CN103305928A CN103305928A CN2012100574558A CN201210057455A CN103305928A CN 103305928 A CN103305928 A CN 103305928A CN 2012100574558 A CN2012100574558 A CN 2012100574558A CN 201210057455 A CN201210057455 A CN 201210057455A CN 103305928 A CN103305928 A CN 103305928A
- Authority
- CN
- China
- Prior art keywords
- temperature
- spinning
- melt
- yarns
- district
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Artificial Filaments (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention discloses a heat treatment processing process for superfine denier imitated yarns. The superfine denier imitated yarns are produced according to a fully drawn yarn (FDY) chip spinning production line by the following steps of melting and extruding dry chips into melts by using a screw extruder, removing impurities from the melts by using a pre-filter, conveying the melts to each spinning position through a pipeline, quantitatively conveying the melts to each spinning component by using a metering pump at each spinning position, extruding and jetting the melts from spinneret holes of spinneret plates in the spinning components, sequentially performing cross air blowing cooling and solidification to form yarns, and performing bunching oiling, drafting sizing and mesh addition winding to form a spinning cake, wherein the screw extruder is divided into six areas, the temperature of the first area is set to be 270 to 276 DEG C, the temperature of the second area is 8 to 10 DEG C higher than that of the first area, and the temperature of each of the third to six areas is 1 to 3 DEG C higher than that of the previous area. According to the process, the problem of spinnability reduction caused by high end breaking rate and high fuzzing rate of the imitated yarns in a production process are maximally solved, the uniformity of pre-oriented yarns is improved, normal spinning is facilitated, and the full package rate is increased.
Description
Technical field
The invention belongs to textile technology field, the heat-treatment processing process of a kind of super super fine denier artificial real silk of specific design.
Background technology
The super fine denier artificial real silk is rapidly a kind of fibre in differentiation of development in recent years, as a kind of high-tech textile raw material in the synthetic fiber, at present at garment industry, obtained very large effect, it had both had the advantages such as the real silk moisture absorption is ventilative, comfortable and easy to wear, having overcome again the shortcomings such as silk fabric easily wrinkles, fastness is poor, is the product of high added value, high-tech, has wide market prospects and good economic benefit.The at present development of super fine polyester Silk rapidly, as a kind of high-tech product, Silk is when giving the excellent wearability of fabric, being faced with a lot of other synthetic fiber in post-production does not encounter problems yet, get each link processing in its process maximum to the performance impact of silk, heat treatment is exactly a wherein very important ring.
Although the super fine denier artificial real silk has brought good economic benefit and wide market prospects, its production difficulty increases than conventional silk, and wherein the selection of temperature control is particularly important.Silk requires melt flowability to get well in the spinning process, otherwise the buoyancy effect of melt can diminish, and is unfavorable for spinning moulding.
Summary of the invention
The super fine denier artificial real silk that proposes for background technology is high to the spinning temperature requirement in process of production, and temperature control precision is high, easily breaks end in the production, produces lousiness, and production difficulty strengthens, the problem of the rear processing characteristics of impact.The object of the present invention is to provide a kind of heat-treatment processing process of super fine denier artificial real silk.
Purpose of the present invention can be achieved through the following technical solutions:
A kind of heat-treatment processing process of super fine denier artificial real silk, it is that described super fine denier artificial real silk spins production line according to the FDY section and makes, do section and become melt through the screw extruder melt extruded, behind the impurity in the melt process prefilter removal melt, be transported to through piping and respectively spin the position, each spins the position and by measuring pump melt quantitative is delivered to each filament spinning component, melt is extruded the spray silk from the spinneret orifice of spinnerets in filament spinning component, then successively through encircling quenching, being frozen into strand, boundling oils, drafting forming, adds network and is wound into spinning cake again; Wherein screw extruder is divided into six districts, and the Temperature Setting in each district is: the first district is 270～276 ℃, and Second Region increases by 8～10 ℃ than the first district, and each district increases by 1～3 ℃ than last district temperature backward.
The heat-treatment processing process of above-mentioned super fine denier artificial real silk, it is in the drafting forming process, and the temperature of the first hot-rolling is 88～95 ℃, and the temperature of the second hot-rolling is 130～135 ℃, each hot-rolling to guarantee hot-rolling surface temperature uniformity, is heated evenly tow with incubator.
The heat-treatment processing process of above-mentioned super fine denier artificial real silk, it is melt in the process that piping is carried, and by the biphenyl insulation, the biphenyl temperature is controlled between 292～295 ℃, and the adding static mixer is even to guarantee melt temperature in pipeline.
The detailed technological process of production is: wet section → pulse conveying → pre-crystallizer → filling drying tower → screw extruder → prefilter → melt Conveying pipeline → spinning manifold → measuring pump → filament spinning component → ring quenching → oil nozzle oils → spinning shaft → pre-network → the first hot-rolling → second hot-rolling → master network → yarn break detector → coiling and molding → stripping silk → check classification → packing warehouse-in.
Adopt German Ba Mage screw extruder to prepare the PET melt.Improve spinning temperature on the basis that routine is spun, temperature increases by 2～5 ℃, reaches 290～295 ℃, so that fluidity of molten is good, and can avoid causing the polymer thermal degradation to strengthen the problem that causes spinnability to reduce because spinning temperature improves.
Spinning temperature is remained in the required scope, and it is crucial that each district of screw extruder sets out rational temperature, and screw extruder is divided into six districts, and every district temperature is all different, and first to the 6th district's temperature increases progressively.The temperature range in the first district is 270～276 ℃, and Second Region increases by 8～10 ℃ than the first district, and each district increases by 1～3 ℃ than last district temperature backward.To often make an inspection tour in the production process, guarantee that temperature does not have large fluctuation, the fluctuation be controlled at ± 0.5 ℃.
Adopted the down-mounting type manifold at spinning manifold, manifold is divided into dress formula manifold and down-mounting type manifold according to the mounting means of spinning pack at present.Upper dress formula manifold exists " stack effect " in process of production, and being looped around spinning pack ambient air absorption heat can get rid of from the top insulation, cause thermal loss, can make the assembly melt temperature inhomogeneous.And adopt the down-mounting type manifold to overcome the harmful effect that " stack effect " causes spinning.
By two pairs of hot-rollings, and set the purpose that the rational temperature of height reaches drafting forming, the first heat roller temperature is set as 88～95 ℃, the second heat roller temperature is higher than the first hot-rolling, and temperature is controlled at 130～135 ℃, and the hot-rolling surface is the temperature uniformity everywhere, thereby tow is heated evenly, each hot-rolling is opened during repiece with incubator, closes when normally moving.
The present invention is based on that the super fine denier artificial real silk is ultra-fine, the characteristics of porous, increases spinning temperature, improves 2～5 ℃ on the basis of normal conventional silk, improves melt rheological property, thereby improves spinnability.And the optimization heater improves the heating control mode of extruder, hot-rolling, improves the accuracy of heating, makes product satisfy the requirement of after-processing technology.The dyeing of Silk all reaches level Four with degree, meets national standard, and winding speed reaches 4800m/min, and production efficiency doubles.
The method that the present invention adopts extruder temperature and heating agent control temperature to combine when improving melt temperature, strengthen the sealed thermal insulating effect of each spinning zone, make spinnerets be in higher keeping warm mode, improve the uniformity of spun filament, be conducive to normal spinning, improve full-rolling rate.
This project is for solving the in process of production easy broken end of Silk, fluffing, and the problem that causes spinnability to reduce, and improve the temperature control of tow when drafting forming, improve heating uniformity and the dyeing uniformity of silk.Method of the present invention will improve the rear processing characteristics of super fine denier artificial real silk, so that the yields of finished silk improves.
Beneficial effect of the present invention:
Method of the present invention has been avoided easily breaking end in process of production of Silk to greatest extent, fluffing, and the problem that causes spinnability to reduce, the uniformity of raising spun filament is conducive to normal spinning, improves full-rolling rate.
The specific embodiment
Embodiment 1 produces 44dtex/144f super fine denier artificial real silk
Raw material: the PET polyester slice, chemical fibre Co., Ltd of Jiangsu DESAY produces, finish Huangma Chemical Group Co., Zhejiang produces: the HDG-2146 terylene FDY oil.
The detailed technological process of production is: wet section → pulse conveying → pre-crystallizer → filling drying tower → screw extruder → prefilter → melt Conveying pipeline → spinning manifold → measuring pump → filament spinning component → ring quenching → oil nozzle oils → spinning shaft → pre-network → the first hot-rolling → second hot-rolling → master network → yarn break detector → coiling and molding → stripping silk → check classification → packing warehouse-in.
Adopt German Ba Mage screw extruder, improve spinning temperature on the basis that routine is spun, temperature increases by 2～5 ℃, reaches 290～295 ℃, both so that fluidity of molten is good, and can avoid causing the polymer thermal degradation to strengthen the problem that causes spinnability to reduce because spinning temperature improves.
Set out and reasonably respectively distinguish temperature, screw extruder is divided into six districts, and every district temperature is all different, and first to the 6th district's temperature increases progressively, and controls well and respectively distinguishes temperature, and each is distinguished Temperature Setting and sees Table 1.To often make an inspection tour in the production process, guarantee that temperature does not have large fluctuation, the fluctuation be controlled at ± 0.5 ℃.
Melt is incubated by biphenyl in flow process, and the biphenyl temperature is controlled at 293 ℃, adds static mixer in pipeline, so that melt temperature is even.
Adopted the down-mounting type manifold at spinning manifold, manifold is divided into dress formula manifold and down-mounting type manifold according to the mounting means of spinning pack at present.Upper dress formula manifold exists " stack effect " in process of production, and being looped around spinning pack ambient air absorption heat can get rid of from the top insulation, cause thermal loss, can make the assembly melt temperature inhomogeneous.And adopt the down-mounting type manifold to overcome the harmful effect that " stack effect " causes spinning.
By two pairs of hot-rollings, and set the purpose that the rational temperature of height reaches drafting forming, the first heat roller temperature is set as between 92 ℃, the second heat roller temperature is higher than the first hot-rolling, and temperature is controlled at 132 ℃, and the hot-rolling surface is the temperature uniformity everywhere, thereby tow is heated evenly, each hot-rolling is opened during repiece with incubator, closes when normally moving.
Table 1 is produced the heating process parameter of 44dtex/144f super fine denier artificial real silk
Producing specification by this heating process is 44dtex/144f super fine denier artificial real silk, and production process is normal, and the lousiness broken end reduces 15 percentage points at original base, and spinnability significantly improves, excellence rate 〉=92%, and the physical index of gained silk is as follows:
| Line density | dtex | 44 |
| The line density deviation ratio | ％ | 0.8 |
| The fineness-unevenness rate | ％ | 0.55 |
| Fracture strength | cN/dtex | 3.8 |
| The fracture strength irregularity | ％ | 3.2 |
| Elongation at break | ％ | 24.9 |
| The extension at break irregularity | ％ | 8.1 |
| Oil content | ％ | 0.91 |
| Boiling water shrinkage | ％ | 6.7 |
| Yarn unevenness | ％ | 0.56 |
| The network degree | Individual/rice | 27 |
| Dye equal and property | Level | ≥4.0 |
| Cylinder is heavy | kg | Fixed heavy |
Claims (3)
1. the heat-treatment processing process of a super fine denier artificial real silk, it is characterized in that described super fine denier artificial real silk spins production line according to the FDY section and makes, do section and become melt through the screw extruder melt extruded, behind the impurity in the melt process prefilter removal melt, be transported to through piping and respectively spin the position, each spins the position and by measuring pump melt quantitative is delivered to each filament spinning component, melt is extruded the spray silk from the spinneret orifice of spinnerets in filament spinning component, then successively through encircling quenching, being frozen into strand, boundling oils, drafting forming, adds network and is wound into spinning cake again; Wherein screw extruder is divided into six districts, and the Temperature Setting in each district is: the first district is 270～276 ℃, and Second Region increases by 8～10 ℃ than the first district, and each district increases by 1～3 ℃ than last district temperature backward.
2. the heat-treatment processing process of super fine denier artificial real silk according to claim 1, it is characterized in that in the drafting forming process, the temperature of the first hot-rolling is 88～95 ℃, the temperature of the second hot-rolling is 130～135 ℃, each hot-rolling to guarantee hot-rolling surface temperature uniformity, is heated evenly tow with incubator.
3. the heat-treatment processing process of super fine denier artificial real silk according to claim 1, it is characterized in that melt is in the process that piping is carried, by the biphenyl insulation, the biphenyl temperature is controlled between 292～295 ℃, and the adding static mixer is even to guarantee melt temperature in pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100574558A CN103305928A (en) | 2012-03-06 | 2012-03-06 | Heat treatment processing process for superfine denier imitated yarns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100574558A CN103305928A (en) | 2012-03-06 | 2012-03-06 | Heat treatment processing process for superfine denier imitated yarns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103305928A true CN103305928A (en) | 2013-09-18 |
Family
ID=49131632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100574558A Pending CN103305928A (en) | 2012-03-06 | 2012-03-06 | Heat treatment processing process for superfine denier imitated yarns |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103305928A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104451916A (en) * | 2014-12-01 | 2015-03-25 | 烟台华润锦纶有限公司 | Production process for black nylon stretch yarns |
| CN105755568A (en) * | 2015-11-19 | 2016-07-13 | 厦门翔鹭化纤股份有限公司 | Alkali-dissolution polyester fibers and preparation method thereof |
| CN109112650A (en) * | 2017-06-23 | 2019-01-01 | 江苏天地化纤有限公司 | A kind of Silk heat-treatment processing process |
-
2012
- 2012-03-06 CN CN2012100574558A patent/CN103305928A/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| 杜荣江等: ""纺拉一步法（FDY）超细旦涤纶长丝的工艺探讨"", 《合成纤维》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104451916A (en) * | 2014-12-01 | 2015-03-25 | 烟台华润锦纶有限公司 | Production process for black nylon stretch yarns |
| CN105755568A (en) * | 2015-11-19 | 2016-07-13 | 厦门翔鹭化纤股份有限公司 | Alkali-dissolution polyester fibers and preparation method thereof |
| CN109112650A (en) * | 2017-06-23 | 2019-01-01 | 江苏天地化纤有限公司 | A kind of Silk heat-treatment processing process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102517680B (en) | Multi-hole superfine denier polyamide 6 POY/FDY interlacing composite fiber, its preparation method and its device | |
| CN102493016B (en) | Porous superfine polyamide 6 fully-drawn yarn, preparation method thereof, and equipment thereof | |
| CN103437018B (en) | A kind of production technology of super emulation silk type brocade ammonia air-coating silk | |
| CN102839432B (en) | Preparation method of ultra-high-speed spinning polyester pre-oriented yarn | |
| CN101328636A (en) | Polyester staple fiber postprocessing process of flexible production process | |
| CN102031575A (en) | Method for preparing superfine denier flat terylene drawn yarn | |
| CN102517660A (en) | Manufacture method of super-cotton-feeling super-softness flock fiber of polyester | |
| CN104480556A (en) | Production process of high-speed spinning type potential crinkled polyester filament yarns | |
| CN104480555A (en) | Production process of high-elasticity-feature terylene pre-oriented fibers | |
| CN102864507A (en) | Preparation method and product of melt direct spinning superfine porous differential polyester fiber | |
| CN106435794A (en) | Preparation technology for whitening low-shrinking medium-fine nylon yarns | |
| CN104032408A (en) | Different-shrinkage polyamide 6POY/FDY (Polyester Pre-Oriented Yarn/Fully Drawn Yarn) composite fiber and preparation method thereof | |
| CN105908273B (en) | A kind of bi-component composite fiber of high anti-fluffing and anti-pilling and high abrasion and preparation method thereof | |
| CN104213228A (en) | Production process of heavy-denier lustrous high-strength nylon 6 full-drawn fiber | |
| CN104278344A (en) | Production technology of semi-dull trilobal FDY polyester fiber | |
| CN103981585A (en) | Polyamide 6 POY/FDY composite fibre and preparation method adopting spinning-interlacing one-step process | |
| CN109023564A (en) | A kind of preparation method of polylactic acid coloured cut staple | |
| CN103215670A (en) | One-step-method spinning method of dacron combined filament yarn | |
| CN102517679B (en) | The fine denier polyamide fiber 6 pre-oriented yarn of a kind of porous, preparation method and equipment thereof | |
| CN103590140B (en) | A kind of imitative multiple polyisocyanate of linen look is combined short fibre and manufacture method thereof | |
| CN105568418A (en) | Polyamide 6-fine-denier fully-drawn black original silk and production method thereof | |
| CN103305928A (en) | Heat treatment processing process for superfine denier imitated yarns | |
| CN104451919B (en) | A kind of production technology of the orderly terylene slub silk of isotactic | |
| CN103981580B (en) | A kind of polyamide 6 POY/FDY composite fibre and preparation method thereof | |
| CN103305941A (en) | Superfine polyester flat yarns and preparation process for same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130918 |