CN103789851A - Technology for producing polyester staple fibers - Google Patents
Technology for producing polyester staple fibers Download PDFInfo
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- CN103789851A CN103789851A CN201410048454.6A CN201410048454A CN103789851A CN 103789851 A CN103789851 A CN 103789851A CN 201410048454 A CN201410048454 A CN 201410048454A CN 103789851 A CN103789851 A CN 103789851A
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Abstract
The invention discloses a technology for producing polyester staple fibers. The technology includes the following steps: providing polyester resin cutting sheets, preliminarily removing contained impurities in the polyester resin cutting sheets through a vibrating screen, then sending the polyester resin cutting sheets into a pre-crystallizer to conduct pre-crystallization processing for 30 min to 40 min, and then sending the polyester resin cutting sheets into a vulcanization tower to dry the polyester resin cutting sheets; conducting heating fusion, heating the polyester resin cutting sheets after drying under inert gas shielding, and forming melts in the molten state by heating; conducting spinning, sending the melts into a spinning box through a screw, and spraying out the melts from a spinneret plate; conducting cooling molding, cooling liquid flow sprayed out from the spinneret plate under blowing of lateral wind, and conducting spinning; conducting winding storage, winding spun yarns into products through a roller, and conducting warehouse storage. The technology for producing the polyester staple fibers is simple in production process, the produced polyester staple fibers are good in strength, and meanwhile the polyester staple fibers have the low breaking strength, can be applied to various occasions, and are wide in application scope and low in cost. In addition, a device for achieving the production technology is relatively simple and easy to popularize.
Description
Technical field
The present invention relates to textile technology field, relate in particular to a kind of polyester staple fiber production technology.
Background technology
Polyester staple fiber is through melt spinning and reprocessing and a kind of synthetic fiber of obtaining by mylar.Along with scientific and technical development, polyester staple fiber has also obtained deep research, and research shows, the advantage such as it has, and intensity is high, good heat resistance, raw material sources are extensive.Although, obtain certain achievement in research about the production method of polyester staple fiber at present, also more complicated of the production method of existing polyester fiber, production efficiency is not high, is unfavorable for promoting and extensive use.
Therefore, be necessary to provide a kind of polyester staple fiber production technology of improvement.
Summary of the invention
Technical problem to be solved by this invention is, for above-mentioned deficiency of the prior art, to provide a kind of polyester staple fiber production technology exactly.
The technical solution adopted for the present invention to solve the technical problems is: a kind of polyester staple fiber production technology, it comprises the steps:
Polyester resin section is provided, it is tentatively removed to the impurity containing by vibrating screen, then send in pre-crystallizer and carry out pre-crystallized processing 30～40min, after being disposed, send into vulcanization tower, in vulcanization tower, dry by thermal current;
Heating and melting processing, cuts into slices the above-mentioned polyester resin through super-dry processing under inert gas shielding, under the condition of 260-285 ℃, heats, and makes it form the melt of molten condition;
Spinning, melt is sent into manifold by screw rod, and sprays from spinnerets;
Cooling forming, carries out coolingly the brushing of the side direction wind that is 0.3-0.7m/min at wind speed from the liquid stream of spinnerets ejection, and carry out spinning with the speed of 100m/min;
Reel and put in storage, described spinning is wound into product by roller bearing, is incorporated to stock and puts.
As a further improvement on the present invention, described temperature when pre-crystallized is 125 ℃.
As a further improvement on the present invention, in described thermal current oven dry, the temperature of thermal current is 150-170 ℃.
As a further improvement on the present invention, the moisture content scope after described chip drying is: 0.01-0.02%.
As a further improvement on the present invention, described screw rod is vertical screw or horizontal screw.
As a further improvement on the present invention, described screw rod comprises feeding section, compression section and metering section.
As a further improvement on the present invention, described screw rod is by Motor Drive, and the rotating speed of described motor is 1000r/min.
As a further improvement on the present invention, the temperature range of described side direction wind is 18-25 ℃.
As a further improvement on the present invention, offer some spinneret orifices on described spinnerets, described some spinneret orifices are matrix and arrange.
As a further improvement on the present invention, described spinneret orifice is rectangle or rhombus or quadrangle.
Compared with prior art, the invention has the beneficial effects as follows: polyester staple fiber production technology of the present invention is simple, make polyester staple fiber intensity and the toughness of production better, there is lower fracture strength simultaneously, can be applied to multiple occasion, applied range, and its cost is lower, in addition, the equipment of aforementioned production method is relatively simple, is easy to promote.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Figure 1 shows that the process chart of a specific embodiment of polyester staple fiber production technology of the present invention.
The specific embodiment
The technical solution adopted for the present invention to solve the technical problems is: a kind of polyester staple fiber production technology, it comprises the steps:
Polyester resin section is provided, it is tentatively removed to the impurity containing by vibrating screen, then send in pre-crystallizer and carry out pre-crystallized processing 30～40min, after being disposed, send into vulcanization tower, in vulcanization tower, dry by thermal current;
Heating and melting processing, cuts into slices the above-mentioned polyester resin through super-dry processing under inert gas shielding, under the condition of 260-285 ℃, heats, and makes it form the melt of molten condition;
Spinning, melt is sent into manifold by screw rod, and sprays from spinnerets;
Cooling forming, carries out coolingly the brushing of the side direction wind that is 0.3-0.7m/min at wind speed from the liquid stream of spinnerets ejection, and carry out spinning with the speed of 100m/min;
Reel and put in storage, described spinning is wound into product by roller bearing, is incorporated to stock and puts.
Preferably, described temperature when pre-crystallized is 125 ℃.
Preferably, in described thermal current oven dry, the temperature of thermal current is 150-170 ℃.
Preferably, the moisture content scope after described chip drying is: 0.01-0.02%.
Preferably, described screw rod is vertical screw or horizontal screw.
Preferably, described screw rod comprises feeding section, compression section and metering section.
Preferably, described screw rod is by Motor Drive, and the rotating speed of described motor is 1000r/min.
Preferably, the temperature range of described side direction wind is 18-25 ℃.
Preferably, offer some spinneret orifices on described spinnerets, described some spinneret orifices are matrix and arrange.
Preferably, described spinneret orifice is rectangle or rhombus or quadrangle.
In order to make those skilled in the art person understand better the technical scheme in the application, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only the application's part embodiment, rather than whole embodiment.Based on the embodiment in the application, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all should belong to the scope of the application's protection.
Shown in ginseng Fig. 1, Fig. 1 is the process chart of a specific embodiment of polyester staple fiber production technology of the present invention.The method comprises the steps:
Polyester resin section is provided, it is tentatively removed to the impurity containing by vibrating screen, then send in pre-crystallizer and carry out pre-crystallized processing 30～40min, to remove the most of moisture in section.After being disposed, send into vulcanization tower, in vulcanization tower, dry by thermal current.Wherein, described temperature when pre-crystallized is preferably 125 ℃, and while oven dry by thermal current in vulcanization tower, the temperature range of thermal current is 150-170 ℃.After above-mentioned dry processing, the moisture content scope of section is: 0.01-0.02%.In addition, above-mentioned dry run can be used vertical or horizontal boiling bed.
Heating and melting processing, cuts into slices the above-mentioned polyester resin through super-dry processing under inert gas shielding, under the condition of 272-285 ℃, heats; make it form the melt of molten condition; under said temperature condition, melt has good mobility, is convenient to the subsequent transportation of melt simultaneously.
Spinning, melt is sent into manifold by screw rod, and sprays from spinnerets.Wherein, described screw rod is vertical screw or horizontal screw.And screw rod comprises feeding section, compression section and metering section.Above-mentioned screw rod, in the time of melt conveying, is to drive by motor, and the rotating speed of described motor is 1000r/min.
Cooling forming, is 0.3-0.7m/min from the liquid stream of spinnerets ejection at wind speed, and temperature is under the brushing of side direction wind of 18-25 ℃, to carry out coolingly, and carries out spinning with the speed of 100m/min.Wherein, offer some spinneret orifices on spinnerets, described some spinneret orifices are matrix and arrange.Described spinneret orifice is rectangle or rhombus or quadrangle.
Reel and put in storage, described spinning is wound into product by roller bearing, is incorporated to stock and puts.
In sum, compared with prior art, the invention has the beneficial effects as follows: polyester staple fiber production technology of the present invention is simple, make polyester staple fiber intensity and the toughness of production better, there is lower fracture strength simultaneously, can be applied to multiple occasion, applied range, and its cost is lower, in addition, the equipment of aforementioned production method is relatively simple, is easy to promote.
Take above-mentioned foundation desirable embodiment of the present invention as enlightenment, by above-mentioned description, relevant staff can, not departing from the scope of this invention technological thought, carry out various change and modification completely.The technical scope of this invention is not limited to the content on description, must determine its technical scope according to claim scope.
Claims (10)
1. a polyester staple fiber production technology, is characterized in that, this production technology comprises the steps:
Polyester resin section is provided, it is tentatively removed to the impurity containing by vibrating screen, then send in pre-crystallizer and carry out pre-crystallized processing 30～40min, after being disposed, send into vulcanization tower, in vulcanization tower, dry by thermal current;
Heating and melting processing, cuts into slices the above-mentioned polyester resin through super-dry processing under inert gas shielding, under the condition of 260-285 ℃, heats, and makes it form the melt of molten condition;
Spinning, melt is sent into manifold by screw rod, and sprays from spinnerets;
Cooling forming, carries out coolingly the brushing of the side direction wind that is 0.3-0.7m/min at wind speed from the liquid stream of spinnerets ejection, and carry out spinning with the speed of 100m/min;
Reel and put in storage, described spinning is wound into product by roller bearing, is incorporated to stock and puts.
2. polyester staple fiber production technology according to claim 1, is characterized in that, described temperature when pre-crystallized is 125 ℃.
3. polyester staple fiber production technology according to claim 1, is characterized in that, in described thermal current oven dry, the temperature of thermal current is 150-170 ℃.
4. polyester staple fiber production technology according to claim 1, is characterized in that, the moisture content scope after described chip drying is: 0.01-0.02%.
5. polyester staple fiber production technology according to claim 1, is characterized in that, described screw rod is vertical screw or horizontal screw.
6. polyester staple fiber production technology according to claim 1, is characterized in that, described screw rod comprises feeding section, compression section and metering section.
7. polyester staple fiber production technology according to claim 1, is characterized in that, described screw rod is by Motor Drive, and the rotating speed of described motor is 1000r/min.
8. polyester staple fiber production technology according to claim 1, is characterized in that, the temperature range of described side direction wind is 18-25 ℃.
9. polyester staple fiber production technology according to claim 1, is characterized in that, offers some spinneret orifices on described spinnerets, and described some spinneret orifices are matrix and arrange.
10. polyester staple fiber production technology according to claim 9, is characterized in that, described spinneret orifice is rectangle or rhombus or quadrangle.
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| CN201410048454.6A CN103789851A (en) | 2014-02-12 | 2014-02-12 | Technology for producing polyester staple fibers |
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| CN201410048454.6A CN103789851A (en) | 2014-02-12 | 2014-02-12 | Technology for producing polyester staple fibers |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107537776A (en) * | 2017-08-29 | 2018-01-05 | 新金塔集团有限公司 | A kind of method for producing color composite polyester yarn |
| CN108914217A (en) * | 2018-07-30 | 2018-11-30 | 广州迅磊科技有限公司 | A kind of sun-proof type polyester fiber and preparation method thereof |
| CN109735906A (en) * | 2018-12-18 | 2019-05-10 | 仪征威英化纤有限公司 | A kind of production technology of perspiration Regenerated Polyester Staple Fiber dimension |
| CN110359122A (en) * | 2019-07-05 | 2019-10-22 | 株洲天伦纺织有限责任公司 | A kind of cotton-simulated terylene fiber and its production technology |
| CN111020732A (en) * | 2019-12-11 | 2020-04-17 | 诸暨市百乐化纤有限公司 | Efficient polyester POY production equipment and process |
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| JPH07189026A (en) * | 1993-12-24 | 1995-07-25 | Toray Ind Inc | Production of polyester fiber |
| CN1399012A (en) * | 2002-06-07 | 2003-02-26 | 辽阳天利海岛纤维有限公司 | Production process of superfine composite fiber |
| CN101275300A (en) * | 2008-05-07 | 2008-10-01 | 常熟市飞腾化纤有限公司 | Preparation method for fine denier polyester industrial yarn |
| CN101503832A (en) * | 2008-09-16 | 2009-08-12 | 江苏盛虹化纤有限公司 | Processing method of high-shrinkage superfine denier polyester staple fibers |
| CN102230233A (en) * | 2011-06-15 | 2011-11-02 | 大连合成纤维研究设计院股份有限公司 | One-step direct spinning process for terylene industrial yarn |
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2014
- 2014-02-12 CN CN201410048454.6A patent/CN103789851A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07189026A (en) * | 1993-12-24 | 1995-07-25 | Toray Ind Inc | Production of polyester fiber |
| CN1399012A (en) * | 2002-06-07 | 2003-02-26 | 辽阳天利海岛纤维有限公司 | Production process of superfine composite fiber |
| CN101275300A (en) * | 2008-05-07 | 2008-10-01 | 常熟市飞腾化纤有限公司 | Preparation method for fine denier polyester industrial yarn |
| CN101503832A (en) * | 2008-09-16 | 2009-08-12 | 江苏盛虹化纤有限公司 | Processing method of high-shrinkage superfine denier polyester staple fibers |
| CN102230233A (en) * | 2011-06-15 | 2011-11-02 | 大连合成纤维研究设计院股份有限公司 | One-step direct spinning process for terylene industrial yarn |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107537776A (en) * | 2017-08-29 | 2018-01-05 | 新金塔集团有限公司 | A kind of method for producing color composite polyester yarn |
| CN107537776B (en) * | 2017-08-29 | 2019-08-23 | 新金塔集团有限公司 | A method of producing color composite polyester yarn |
| CN108914217A (en) * | 2018-07-30 | 2018-11-30 | 广州迅磊科技有限公司 | A kind of sun-proof type polyester fiber and preparation method thereof |
| CN109735906A (en) * | 2018-12-18 | 2019-05-10 | 仪征威英化纤有限公司 | A kind of production technology of perspiration Regenerated Polyester Staple Fiber dimension |
| CN110359122A (en) * | 2019-07-05 | 2019-10-22 | 株洲天伦纺织有限责任公司 | A kind of cotton-simulated terylene fiber and its production technology |
| CN111020732A (en) * | 2019-12-11 | 2020-04-17 | 诸暨市百乐化纤有限公司 | Efficient polyester POY production equipment and process |
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Application publication date: 20140514 |