CN1047414C - Ultrastrength polyethylene fibre spinning apparatus - Google Patents
Ultrastrength polyethylene fibre spinning apparatus Download PDFInfo
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- CN1047414C CN1047414C CN95111657A CN95111657A CN1047414C CN 1047414 C CN1047414 C CN 1047414C CN 95111657 A CN95111657 A CN 95111657A CN 95111657 A CN95111657 A CN 95111657A CN 1047414 C CN1047414 C CN 1047414C
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- pipeline
- inlet
- screw extruder
- outlet
- filter
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Abstract
The present invention relates to a spinning device for super high-intensity polyethylene fibers. The present invention is characterized in that a pressure dissolution kettle (1) is connected with an inlet of a double-screw extruder (3) through a pipeline and a middle pressure tank (2), an outlet of the (3) double-screw extruder (3) is connected with an inlet of a measuring pump (4) through a pipeline, an outlet of the measuring pump is connected with an inlet of a filter (5) through a pipeline, and an outlet of the filter (5) is connected with a spinneret plate (6) through a pipeline. The present invention shortens time for deaeration by using the double-screw extruder for deaeration, and is suitable for industrialized continuous production. The intense thermal cracking of macromolecules in deaeration can be slowed down, and the present invention is favorable to obtain high-strength fibers.
Description
The present invention relates to a kind of spinning machine.
In the prior art, solvent spinning machine is made up of parts such as measuring pump, filter, spinnerets, coagulating tanks.After the polymer solution that spinning is used must be in advance removed bubble in the solution through defoaming device, be stored in the pressure vessel, the solution of using Compressed Gas (air or nitrogen) will take off most bubble then is pressed into spinning machine from pressure vessel, filter through measuring pump metering, filter, through some small spinneret orifice ejections, in coagulating tank, be frozen into strand then.Deaeration is that the polymer solution in the container is vacuumized, its time is tens hours to tens hours, be difficult to take off most bubble at short notice for gel spinning solution such as the very big for example polyethylene of viscosity, polyacrylonitrile, polyvinyl alcohol things, be unfavorable for the serialization production of industry.In addition, this frozen glue that class viscosity is very big, deaeration is difficult is being easy to degraded in the deaeration process for a long time, thus the intensity of influence silk.
The object of the present invention is to provide a kind of Ultrastrength polyethylene fibre spinning apparatus that carries out rapidly defoaming for the very big gel spinning solution of viscosity.
Technical scheme of the present invention is: the pressure dissolution kettle is connected to the inlet of double screw extruder by pipeline and pressure medial launder, the outlet of double screw extruder connects the inlet of measuring pump by pipeline, measuring pump exports the inlet of taking over filter by pipeline, and the outlet of filter connects spinnerets by pipeline.Described double screw extruder comprises sleeve and two intermeshing screw rods, and described jacket casing is outside two screw rods.Two screw rods in the described double screw extruder sleeve diminish to its pitch of Way out gradually along inlet.
The present invention compared with prior art has following advantage:
(1). owing to increased a twin-screw spinning machine, so the spinning solution that dissolving is good need not to enter the deaeration of deaeration workshop section, directly extrude through double screw extruder, only need a few minutes to tens minute can obtain that abundant mixing, adjustment are good, bubble takes off most spinning solution, and then through metering, filtration, spinneret orifice ejection.Because two screw rods in the described double screw extruder sleeve diminish to its pitch of Way out gradually along inlet, so solution is in the outlet pushing course, pressure increases gradually, so that bubble is extruded in the solution, gas is promptly overflowed to the porch to the low direction of pressure, can reach the purpose of deaeration.
(2). two intermeshing screw rods of double screw extruder constantly scrape off the spinning solution that is bonded on the screw rod mutually in extrusion, make it constantly to promote forward, avoid the appearance of loops phenomenon.
(3). as thin as a wafer solution is constantly cut apart in by the twin-screw pushing course and is reconfigured between the twin-screw of temperature control and outside sleeve, therefore at the utmost point in the short time, mixing, temperature adjustment constantly, can be mixed, be stabilized in the spinning solution of a certain design temperature, the effect that play stable spinning, improves fibre strength.
(4). because the deaeration time of double screw extruder is very short, have only tens minutes, so can realize industrialized continuous spinning, can also avoid macromolecular severe thermal cracking in long-time deaeration process simultaneously, so spinning solution can add and even do not add antioxidant when preparing less.The alleviation of big molecule severe thermal cracking, and few usefulness of antioxidant or need not, all help obtaining high strength fibre.
The invention will be further described below in conjunction with drawings and Examples:
Accompanying drawing 1 is a structural representation of the present invention;
Accompanying drawing 2 is the screw rod front view of double screw extruder;
Accompanying drawing 3 is the front views of two screw engages together the time; Wherein:
[1]. the pressure dissolution kettle; [2]. the pressure medial launder; [3]. double screw extruder; [4]. measuring pump; [5]. filter; [6]. spinnerets; [7]. coagulating tank; [8]. deposit the silk bucket.
Embodiment: be connected on the top of pressure medial launder [2] referring to the lower bottom part of 1, two pressure dissolution kettle of accompanying drawing [1] by pipeline, the bottom of pressure medial launder [2] is connected to the inlet of double screw extruder [3] by pipeline, is used for to double screw extruder [3] feeding.The outlet of double screw extruder [3] connects measuring pump [4] by pipeline, takes over filter [5] by measuring pump [4] outlet by pipeline after metering, carries out contaminant filter by filter [5], and the outlet of filter [5] connects spinnerets [6] by pipeline.The silk that is sprayed is frozen into strand in coagulating tank [7].Described double screw extruder [3] comprises sleeve and two intermeshing screw rods, and described jacket casing is outside two screw rods, because the rotation of screw rod can constantly be pushed ahead the spinning solution between screw rod and sleeve.Referring to accompanying drawing 2, two screw rods in described double screw extruder [3] sleeve diminish to its pitch of Way out gradually along inlet.
Claims (2)
1. Ultrastrength polyethylene fibre spinning apparatus, pressure dissolution kettle [1] is connected to the inlet of extruder by pipeline and pressure medial launder [2], the outlet of extruder connects the inlet of measuring pump [4] by pipeline, the inlet of filter [5] is taken in measuring pump [4] outlet by pipeline, the outlet of filter [5] connects spinnerets [6] by pipeline and it is characterized in that: described extruder is double screw extruder [3], described double screw extruder [3] comprises sleeve and two intermeshing screw rods, and described jacket casing is outside two screw rods.
2. Ultrastrength polyethylene fibre spinning apparatus according to claim 1 is characterized in that: two screw rods in described double screw extruder [3] sleeve diminish to its pitch of Way out gradually along inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95111657A CN1047414C (en) | 1995-06-07 | 1995-06-07 | Ultrastrength polyethylene fibre spinning apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95111657A CN1047414C (en) | 1995-06-07 | 1995-06-07 | Ultrastrength polyethylene fibre spinning apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1125272A CN1125272A (en) | 1996-06-26 |
| CN1047414C true CN1047414C (en) | 1999-12-15 |
Family
ID=5078920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95111657A Expired - Fee Related CN1047414C (en) | 1995-06-07 | 1995-06-07 | Ultrastrength polyethylene fibre spinning apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1047414C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1077923C (en) * | 1999-08-19 | 2002-01-16 | 陈成泗 | Production process of high-strength high-modulus polyethylene fibre |
| CN100422399C (en) * | 2002-04-01 | 2008-10-01 | 闫镇达 | Method for spinning ultra -high strength ultra-high modules polyethylene fibre |
| CN100395381C (en) * | 2005-05-10 | 2008-06-18 | 东华大学 | Method of continuously preparing poly terephthaloyl-p-phenylene diamine fibre |
| CH700932B1 (en) * | 2007-05-14 | 2010-11-15 | List Holding Ag | Method and installation for producing a dope for the manufacture of a polymer fiber. |
| DE102009036915A1 (en) * | 2009-08-11 | 2011-02-24 | List Holding Ag | Process for treating a monomer, pre-polymer, polymer or a corresponding mixture |
| CN104480549A (en) * | 2014-12-19 | 2015-04-01 | 无锡兰华纺织机械有限公司 | Pitch carbon fiber precursor spinning device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4663101A (en) * | 1985-01-11 | 1987-05-05 | Allied Corporation | Shaped polyethylene articles of intermediate molecular weight and high modulus |
| CN1045137A (en) * | 1989-02-10 | 1990-09-05 | 纳幕尔杜邦公司 | Controlling polymers method of viscosity and equipment |
-
1995
- 1995-06-07 CN CN95111657A patent/CN1047414C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4663101A (en) * | 1985-01-11 | 1987-05-05 | Allied Corporation | Shaped polyethylene articles of intermediate molecular weight and high modulus |
| CN1045137A (en) * | 1989-02-10 | 1990-09-05 | 纳幕尔杜邦公司 | Controlling polymers method of viscosity and equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1125272A (en) | 1996-06-26 |
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