EP1190124A1 - Spinnvorrichtung zum verspinnen schmelzflüssiger polymere und verfahren zum beheizen der spinnvorrichtung - Google Patents
Spinnvorrichtung zum verspinnen schmelzflüssiger polymere und verfahren zum beheizen der spinnvorrichtungInfo
- Publication number
- EP1190124A1 EP1190124A1 EP00936707A EP00936707A EP1190124A1 EP 1190124 A1 EP1190124 A1 EP 1190124A1 EP 00936707 A EP00936707 A EP 00936707A EP 00936707 A EP00936707 A EP 00936707A EP 1190124 A1 EP1190124 A1 EP 1190124A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spinning
- heating
- heating fluid
- polymer
- housing
- 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.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D1/00—Treatment of filament-forming or like material
- D01D1/06—Feeding liquid to the spinning head
- D01D1/09—Control of pressure, temperature or feeding rate
Definitions
- the invention relates to a device for spinning liquid polymer for producing polymer filaments, the liquid polymer flowing through a polymer line with a first heating jacket to a spinning pump with a second heating jacket, which conveys the polymer through several lines to spin packs and through spinnerets squeezes out to form filaments, the lines downstream of the spinning pump, the spinning packs and the spinnerets being located in at least one spinning housing through which heating fluid flows, and a method for heating the spinning device.
- Spinning devices with heating of this type are known from DE 196 24 946 AI and DE 198 09 495 AI.
- the various heated parts of the system are kept at approximately the same temperature level as is specified by the heating fluid used.
- the invention has for its object to ensure that the molten polymer in front of the spinning housing, regardless of the temperature in the spinning housing, can be kept at the lowest possible temperature in order to exclude damage to the polymer as possible.
- this is achieved in the above-mentioned spinning device in that there is a distance of at least 5 mm and preferably at least 10 mm between the spinning housing through which heating fluid flows and on the other hand between the first and second heating mantles and the spinning pump. This distance ensures thermal decoupling and prevents the polymer from being kept at the lowest possible temperature as long as it has not yet entered the heated spinning housing. In this way, damage in the flowing polymer, which could arise from relatively high temperatures, is completely or largely excluded.
- heating fluids which are provided at different temperatures in two storage containers.
- a heating fluid is such.
- B. diphyl which is commercially available in different modifications, with the same heating fluid or different heating fluids can be kept in both storage containers.
- the area between the spinning housing on the one hand and on the other hand the first and second heating jacket is kept free of heating fluid. This maintains the desired temperature differences during operation.
- the supply of heating fluid to the first and second heating mantles can be coupled in many cases; it is possible to pass the heating fluid coming from the reservoir first through the first heating jacket and then through the second heating jacket or in the reverse order to proceed. Most of the time, the first and second heating mantles will be heated with liquid heating fluid. It is also possible to operate the first and second heating mantles with separate heating circuits.
- the polymer used is e.g. B. polyester or polyamide.
- the liquid polymer usually comes from an extruder for melting polymer granules or from a polymerization reactor.
- the polymer enters the spinning pump at temperatures in the range of about 270 to 300 ° C and is forced out through the spinnerets at temperatures of about 295 to 320 ° C.
- Fig. 1 shows the spinning device in a schematic
- a pump (10) can be provided in the feed line (6) if the polymer does not come from an extruder, but from a polymerization reactor (5).
- the spinning pump (4) is located on a support structure (12) that is not heated and also the feed line (6) and the spinning housing
- the shaft (4b) of the pump (4) leads to an electric motor, not shown.
- the feed line (6) is surrounded by a heating jacket (6a), which is referred to here as the "first heating jacket *.
- the spinning pump (4) is located inside a heating jacket (4a), which is referred to here as "second heating jacket” 1 .
- the polymer In the area of the line (6) and the spinning pump (4), the polymer should be kept at the lowest possible temperatures, but still remain flowable.
- the temperature of the polymer in line (7) inevitably rises by about 13 to 15 ° C. due to the pressure increase caused by the pump (4), and the highest temperature lies in the spin packs
- the heating of the spinning housing (1), the area of the spinning pump (4) and the line (6) can be carried out largely independently of one another in various ways, since heating fluid is kept at a different temperature in a first storage container (14) and a second storage container (15) will (see Figs. 2 and 3).
- the polymer comes from an extruder (5), in which polyester or possibly also polyamide is preferably processed.
- Vapor-shaped heating medium is fed through line (9) into the heating room (8) and from there through line (22) directly into the condenser (20) and from there back.
- Heating fluid which is preferably liquid, comes from the second storage container (15) and first reaches the second heating jacket (4a) in the line (25) and from there through the line (26) to the first heating jacket (6a).
- the return is made through line (24).
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Artificial Filaments (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19924838A DE19924838A1 (de) | 1999-05-29 | 1999-05-29 | Spinnvorrichtung zum Verspinnen schmelzflüssiger Polymere und Verfahren zum Beheizen der Spinnvorrichtung |
DE19924838 | 1999-05-29 | ||
PCT/EP2000/003974 WO2000073544A1 (de) | 1999-05-29 | 2000-05-02 | Spinnvorrichtung zum verspinnen schmelzflüssiger polymere und verfahren zum beheizen der spinnvorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1190124A1 true EP1190124A1 (de) | 2002-03-27 |
EP1190124B1 EP1190124B1 (de) | 2005-03-16 |
Family
ID=7909726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00936707A Expired - Lifetime EP1190124B1 (de) | 1999-05-29 | 2000-05-02 | Spinnvorrichtung zum verspinnen schmelzflüssiger polymere und verfahren zum beheizen der spinnvorrichtung |
Country Status (5)
Country | Link |
---|---|
US (1) | US6736624B1 (de) |
EP (1) | EP1190124B1 (de) |
AT (1) | ATE291112T1 (de) |
DE (2) | DE19924838A1 (de) |
WO (1) | WO2000073544A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004028918B4 (de) * | 2004-06-15 | 2007-08-30 | Zimmer Ag | Vorrichtung zum Spinnen von Fäden |
ATE489491T1 (de) * | 2007-02-24 | 2010-12-15 | Oerlikon Textile Gmbh & Co Kg | Vorrichtung zum schmelzspinnen synthetischer filamente |
DE102015100179A1 (de) * | 2015-01-08 | 2016-07-14 | TRüTZSCHLER GMBH & CO. KG | Spinnbalken zur Herstellung von schmelzgesponnenen Filamentgarnen |
US11981065B1 (en) * | 2020-07-06 | 2024-05-14 | Columbia Insurance Company | Systems and methods for manufacturing colored product |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1964051B2 (de) * | 1969-12-22 | 1976-09-23 | Zimmer Ag, 6000 Frankfurt | Verfahren zur herstellung hochmolekularer technischer filamente aus linearen plymeren |
IT941066B (it) * | 1971-06-19 | 1973-03-01 | Jenne S R L | Cella modulare per la filatura di fibre sintetiche |
US4514350A (en) | 1982-09-23 | 1985-04-30 | Celanese Corporation | Method for melt spinning polyester filaments |
US4698008A (en) * | 1984-06-22 | 1987-10-06 | Barmag Ag | Melt spinning apparatus |
DE69221739T2 (de) | 1991-01-29 | 1998-03-12 | E.I. Du Pont De Nemours And Co., Wilmington, Del. | Herstellung von feinen polyesterfilamenten |
DE4234790C2 (de) * | 1991-10-24 | 2000-06-21 | Barmag Barmer Maschf | Spinnvorrichtung zum Schmelzspinnen synthetischer Fäden |
IT1276034B1 (it) * | 1994-11-10 | 1997-10-24 | Barmag Barmer Maschf | Traversa di filatura per la filatura di una pluralita' di fili sintetici e procedimento per la sua produzione |
WO1996017116A1 (de) * | 1994-12-02 | 1996-06-06 | Barmag Ag | Spinnbalken zum spinnen einer mehrzahl von synthetischen fäden und spinnanlage mit einem derartigen spinnbalken |
EP0828017B1 (de) * | 1996-09-04 | 2001-11-28 | B a r m a g AG | Spinnbalken |
EP0837161B1 (de) * | 1996-10-21 | 2002-09-04 | B a r m a g AG | Verfahren und Vorrichtung zum Spinnen von thermoplastischen Fäden |
US5866050A (en) * | 1997-02-06 | 1999-02-02 | E. I. Du Pont De Nemours And Company | Method and spinning apparatus having a multiple-temperature control arrangement therein |
DE19707447A1 (de) | 1997-02-25 | 1998-08-27 | Zimmer Ag | Verfahren zur Verarbeitung von Polymermischungen zu Filamenten |
-
1999
- 1999-05-29 DE DE19924838A patent/DE19924838A1/de not_active Withdrawn
-
2000
- 2000-05-02 AT AT00936707T patent/ATE291112T1/de not_active IP Right Cessation
- 2000-05-02 US US09/979,310 patent/US6736624B1/en not_active Expired - Fee Related
- 2000-05-02 WO PCT/EP2000/003974 patent/WO2000073544A1/de active IP Right Grant
- 2000-05-02 EP EP00936707A patent/EP1190124B1/de not_active Expired - Lifetime
- 2000-05-02 DE DE50009802T patent/DE50009802D1/de not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO0073544A1 * |
Also Published As
Publication number | Publication date |
---|---|
ATE291112T1 (de) | 2005-04-15 |
DE50009802D1 (de) | 2005-04-21 |
DE19924838A1 (de) | 2000-11-30 |
US6736624B1 (en) | 2004-05-18 |
EP1190124B1 (de) | 2005-03-16 |
WO2000073544A1 (de) | 2000-12-07 |
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