EP1303656A1 - Procede et dispositif pour traiter en continu des fils synthetiques dans une chambre d'echangeur de chaleur - Google Patents

Procede et dispositif pour traiter en continu des fils synthetiques dans une chambre d'echangeur de chaleur

Info

Publication number
EP1303656A1
EP1303656A1 EP01953924A EP01953924A EP1303656A1 EP 1303656 A1 EP1303656 A1 EP 1303656A1 EP 01953924 A EP01953924 A EP 01953924A EP 01953924 A EP01953924 A EP 01953924A EP 1303656 A1 EP1303656 A1 EP 1303656A1
Authority
EP
European Patent Office
Prior art keywords
heat exchange
thread
medium
exchange chamber
sealing
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.)
Withdrawn
Application number
EP01953924A
Other languages
German (de)
English (en)
Inventor
Steffen MÜLLER-PROBANDT
Rolf Machatschke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TEMCO Components GmbH
Original Assignee
TEMCO Textilmaschinenkomponenten GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE10058543A external-priority patent/DE10058543A1/de
Application filed by TEMCO Textilmaschinenkomponenten GmbH filed Critical TEMCO Textilmaschinenkomponenten GmbH
Publication of EP1303656A1 publication Critical patent/EP1303656A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
    • D06B23/14—Containers, e.g. vats
    • D06B23/16—Containers, e.g. vats with means for introducing or removing textile materials without modifying container pressure
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J13/00—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass
    • D02J13/001—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass in a tube or vessel
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J13/00—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass
    • D02J13/006—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass in a fluid bed

Definitions

  • the invention relates to a method and a device for the continuous treatment of synthetic threads in a heat exchange chamber, in which the thread to be treated comes into direct contact with the heat exchange medium and which has a thread outlet opening and a thread inlet opening, on each of which a sealing device acted upon with a sealing medium a supply line for the sealing medium is provided in the vicinity of the thread outlet or the thread inlet.
  • Such a device is known from EP 0 624 208 B1.
  • the heat exchanger is used as a heating device but also as a cooling device.
  • fluid - once hot and once cold - is directly associated with the yarn.
  • the fluid is located in a heat exchange chamber through which the fluid flows.
  • This heat exchange chamber is essentially tubular and has small bores at both ends, through which the yarn is introduced and, after passing through the heat exchange chamber, is removed again.
  • Such cooling or heating devices have the problem of heating or cooling fluid exiting the yarn inlet.
  • Various sealing devices such as roller seals, lip seals and also labyrinth seals, are known from the prior art (DE-OS 24 30 741) to solve this problem, the latter being used most frequently because of their simple structure.
  • Such a labyrinth seal is also known, for example, from EP 760 874 (corresponds to WO 95/32325).
  • the labyrinth seal is there are connected to each of a number of throttle areas which laßö réelleen by smaller through ⁇ that that the thread may just large sin d are mmt hin mange.
  • To support the sealing effect is respectively supplied to the outer end of La b yrinthdichtitch compressed air. Instead of compressed air, steam or superheated steam is also proposed.
  • the sealing with such a, in particular gaseous medium is very effective, but that the sealing medium also enters the heat exchange chamber and is there with the heat exchange medium, which usually consists of a liquid, e.g. Water that combines to form foam.
  • the heat exchange medium usually consists of a liquid, e.g. Water that combines to form foam. This problem occurs particularly when a gaseous sealing medium and a liquid heat exchange medium are used.
  • the object of the invention is to avoid these disadvantages of the prior art and to provide a seal for the yarn passage openings of the heat exchanger which does not impair the effectiveness of the heat exchanger.
  • T he invention is based on the recognition that the effect of heat transfer can be significantly improved if d as D layer medium can be by the thread that passes through the heat exchange chamber, kept away because the sealing medium, for example air, as well as all other gaseous media a exert strong insulation. It is surprisingly not so important that no sealing medium gets into the heat exchange chamber and mixes, but that the sealing medium is kept away from the thread, so that only the heat exchange medium has an effect on the thread. This creates stable and predictable conditions for heat exchange.
  • US Pat. No. 3,783,649 describes a fluid sealing system which is intended to prevent the penetration of sealing medium into the heat exchange chamber and its mixing with the heat exchange medium in the chamber.
  • the fluid itself serves as a sealing device and forms a fluid seal before the material enters or exits the heat exchange chamber.
  • a fluid for example water, is directed against the through opening of the heat exchange chamber at a high speed, the outlet speed for the sealing fluid as well as a passage opening downstream of the outlet opening or inlet opening of the heat exchange chamber for the sealing medium as a result of the speed of exit of the sealing medium determines the textile material.
  • the sealing fluid is conveyed into a so-called overflow chamber with the textile material and is deposited or removed there.
  • the fluid sealing system described is also complex both in terms of space requirement and in terms of manufacture.
  • the present invention differs from that shown here prior art essentially in that a u b Liche A bdicht adopted, for example, a labyrinth seal is applied with a sealing medium, and does not itself form the sealing medium, the sealing device.
  • the device according to the invention is much simpler both in terms of its structure and in its handling and is completely unproblematic in terms of pressure adjustment. It also allows a controlled heat exchange treatment.
  • the removal of the heat exchange medium through the yarn passage openings also has the advantage that an exact coordination of the sealing and the heat exchange medium is not necessary.
  • the heat exchange medium must in any case emerge from the heat exchange chamber.
  • the mixing of heat exchange medium / sealing medium is moved out of the heat exchange chamber so that the sealing medium is kept away from the thread in the heat exchange chamber.
  • the A f achheit half the heat exchange medium is discharged together with the sealing medium, which thereafter can be carried out of the hot exchange medium a separation of heat exchange medium and the sealing medium and reuse.
  • Another method of distance keeping the sealing medium of the heat exchange chamber thread passing through occurs in that although the D layer medium in the heat exchange chamber enters with a certain excess pressure prevents the heat exchange medium from leaking from the heat exchange chamber, but the penetrating into the heat exchange chamber sealing medium is derived from the yarn , so that the insulating effect on the heat exchange medium is prevented.
  • Another method for keeping the sealing medium away from the thread passing through the heat exchange chamber takes place in that the heat exchange medium is fed to the thread within the heat exchange chamber so that the direct contact is increased, and the sealing medium which has penetrated into the heat exchange chamber is kept away from the thread by the flow becomes.
  • the heat exchanger is provided with a discharge line for the sealing medium, which are arranged in the vicinity of the thread passage openings of the heat exchange chamber.
  • the sealing device expediently consists of a labyrinth seal which has throttling spaces. Characterized in that the supply line opens between the throttle spaces closest to the thread outlet or thread inlet, a protection is provided for loss of sealant, while the From line from which the heat exchange chamber closest throttle space leads out so that both the sealing medium as well as t he L d eckage it heat exchange medium can be discharged relaxed.
  • ⁇ D layer are medium within the heat exchange chamber Leit b leche arranged, through which the thread is passed therethrough, however, as sealing medium has penetrated d is kept away from the thread.
  • constrictions arranged centrally to the thread are provided in the heat exchange chamber, the supply and discharge of the heat exchange medium being arranged before or after the constriction, so that the heat exchange medium constricts in counterflow flowed through to the thread.
  • the sealing medium is discharged from the throttle chamber arranged immediately before or after the heat exchange chamber into the heat exchange chamber, but at a proper distance from the thread passage opening, the penetration of the sealing medium in the area of the thread passage opening is surprisingly prevented, the sealing medium penetrating from the derivatives into the heat exchange chamber is kept so far from the thread that an influence on the heat exchange is avoided.
  • This configuration of the heat exchanger has the particular advantage that controlled foam formation and thus also a controlled, variable length of the cooling section can be achieved in a simple manner.
  • Figure 2 shows the base body of the heat exchanger according to Figure 1 in a perspective view
  • FIG. 3 shows another embodiment of the heat exchanger
  • FIG. 4 shows another embodiment of the heat exchanger
  • FIG. 5 shows another embodiment of the heat exchanger
  • the invention is described by way of example with the aid of a heat exchanger which is used as a cooler in a texturing process for a synthetic thread, the thread F to be treated running through this cooler at high speeds, ie at a running speed of up to 2,000 m per minute.
  • This requires a very large cooling capacity in order to cool the thread down, for example, from about 200 ° to about 50 ° in such a short time.
  • Water is used as the coolant, which comes into direct contact with the thread F.
  • Air is used to act on the sealing device 2.
  • other heat exchange media or sealing media can also be used, depending on the process and the purpose for which the heat exchanger is used.
  • FIG. 1 shows a cooler designed as a cooler with the G round body 6 and the cover 60.
  • the heat exchanger is divided such that the thread run in the base body 6 is exposed by removing the cover 60, so that the thread F can be inserted without hindrance.
  • a drain opening 14 is expediently provided for the standing heat exchange chamber 1 in order to enable the cooling medium to be removed before the heat exchange chamber 1 is opened.
  • the heat exchanger has a heat exchange chamber 1 with a thread inlet opening 12 and a thread outlet opening 11.
  • a sealing device 2 is arranged in front of the inlet opening 12 and after the outlet opening 11, which for the sake of simplicity consists of a labyrinth seal with throttle chambers 23, through the thread F is guided from top to bottom.
  • the sealing device 2 is supplied with a sealing medium, here for example air, via a feed line 21.
  • the sealing medium is supplied between the first two throttle chambers 23 through which the thread F passes when it enters the heat exchanger and is discharged again via a discharge line 22 from the last throttle chamber 23 before the inlet 12 into the heat exchange chamber 1.
  • the cooling medium can thus penetrate into this last throttle chamber 23 before the inlet 12 or first throttle chamber 23 after the outlet 11 until it is retained there by the sealing medium.
  • the heat exchange chamber 1 has an inlet 15 for the cooling medium which flows through the heat exchange chamber 1.
  • the cooling medium is discharged from the heat exchange chamber 1 via the inlet opening 12 and the outlet opening 11 and collected together in the throttle chamber 23 in front of the inlet opening 12 and after the outlet opening 11 and discharged together with the sealing medium via the discharge lines 22 into a separating chamber 4, which also serves to absorb the cooling medium reserve.
  • a separating chamber 4 which also serves to absorb the cooling medium reserve.
  • this vent hole 17 is expediently arranged in the cover 60.
  • the level of the level of the coolant can be controlled via this ventilation hole and the valve 18, so that a desired cooling distance is established.
  • the circulation of the cooling medium is controlled by a pump 41 via a pressure regulator 42.
  • the sealing medium is fed to the two sealing devices 2 in a controlled manner via a pressure regulator 24 and the feed lines 21. Because both the cooling medium and the sealing medium are discharged in a throttle chamber 23, where the pressure of both media is reduced, an exact pressure setting for a balance between the two media is not necessary.
  • the pressure of the cooling medium is just so high that the desired circulation takes place, while the sealing medium is only under pressure to such an extent that the throttle chamber 23 with the discharge line 22 is reached. Both media are relaxed there and flow back into the receptacle 4 at atmospheric pressure, where the cooling medium separates from the air, so that foam regresses.
  • the cooling medium can also be cooled here before the cooling medium is returned to the heat exchange chamber 1 via the feed line 15.
  • FIG. 2 shows the base body in a perspective view, which shows both the heat exchange chamber 1 and the sealing device 2 with all A n personallyn for the leads 21 and the Ab ⁇ lines 22, 14 and 17 of Figure 1 contains.
  • FIG. 3 shows another embodiment of the heat exchanger, in which the thread F also runs from top to bottom.
  • the sealing medium for example air
  • D ic h drain-off devices 2 is fed, which are performed d ichtung here as a labyrinth and in each case 4 choke spaces 23 aufwei ⁇ sen to seal around the yarn outlet opening 11 of the heat exchange chamber 10 and the thread inlet opening 12th
  • a discharge conduit 16 is provided for the air flowing in through the supply line 15 in the heat exchange chamber 10 cooling medium so that the heat exchange chamber flows through 10 of the cooling medium.
  • the sealing medium is supplied at such a pressure through the feed lines 21 to the sealing device 2 that an escape of the cooling medium from the thread passage openings 11 and 12 of the heat exchange chamber 10 is prevented.
  • bubbles of the sealing medium in the liquid cooling medium rise upward with a predominantly vertical arrangement, so that undesirable foam formation within the heat exchange chamber 10 would occur.
  • the rising air bubbles which have an insulating effect, disrupt the heat exchange between the thread F and the cooling medium.
  • a V-shaped baffle 13 is therefore arranged directly in front of the thread outlet 11, viewed in the thread running direction, so that the rising air bubbles are deflected to the side and are thus kept away from the thread F.
  • the V-shaped guide plate 13 however, has a narrow passage for the thread F at its apex, so that the air bubbles cannot rise there. Due to the running direction of the thread F opposite to the movement of the air bubbles, these cannot be carried along by the thread F. When the thread F runs in the opposite direction, the air bubbles are stripped from the thread by the guide plate 13 and deflected to the side. The rising air bubbles and any foam formation will be together with the cooling medium ü He b from line 16 removed. It is also carried out as in the embodiment according to FIG 1, a treatment of the mixture of ku h lme d ium and sealing medium by depositing the air and water, cooling the same, and again return to the loop. Via a vent opening 17, the sealant can also removed or a controlled level of the cooling medium and thus ⁇ a variable cooling section are generated.
  • FIG. 4 Another embodiment of the subject invention is shown in FIG 4. A uch here the two sealing devices 2 are applied to sealing medium on to ⁇ lines 21, which preferably consists of air.
  • the cooling medium is supplied through the feed line 15 and removed again from the heat exchange chamber 10 via the discharge line 16.
  • the throttling space 23 arranged in front of the thread inlet 12 becomes the sealing medium via leads 25 and 25 'Although introduced into the heat exchange chamber 10, but at a distance from the thread inlet opening 12 so that the bubbles are kept away from the thread F and rise laterally on the walls of the heat exchange chamber 10.
  • a significantly improved cooling performance is already achieved with this device.
  • Figure 5 shows a further embodiment of the heat exchanger according to the invention.
  • the thread runs from bottom to top, but this could also easily be done in the opposite direction.
  • the sealing devices 2 are also provided with supply lines 21 for the sealing medium and acted upon by air as the sealing medium.
  • Leads 22 according to FIG. 1 or also 25, 25 'according to FIG. 4 can be provided.
  • a guide plate 13, as in the embodiment according to FIG. 3, is also conceivable and applicable.
  • the particular this embodiment is that the heat exchange chamber 100 by constrictions 19 in chambers 100 ', 100''andlOO' '1 bottom is divided wherein the feed of the cooling medium through the feed line 1 an d 5, the A b management is performed by the discharge conduit 16, so that the heat exchange chamber flows through in counter-current 100 to the thread run.
  • All of the described exemplary embodiments have in common that they keep d as sealing medium from the thread F during its passage through the heat exchange chamber, either in that the sealing medium does not even come into the chamber, or in that the sealing medium diverted within the chamber by the yarn we d.
  • the embodiments described can each be used by itself as mentioned above, however, sin d one or more combinations with one another in an advantageous manner possible.
  • the cooling can be adapted to reduced running speeds in a simple manner.
  • the chamber subdivision according to FIG. 5 can also be used for this, in that only two chambers are effective solely through the cooling medium, while the third chamber contains foam or air which is practically ineffective for cooling.
  • the sealing medium acts on the sealing device 2 with excess pressure via the supply lines 21.
  • it has also turned out to be successful to apply a vacuum to the leads 22, so that the sealing device 2 is subjected to a vacuum.
  • the heat exchange medium emerging from the yarn passage openings 11 and 12 is thereby removed immediately after it emerges and returned to the coolant circuit.
  • the feed lines 21 can be omitted, as a result of which the suction effect in the throttle chamber 23 increases with regard to the leakage. Namely at the yarn outlet 11, where the thread F soaked the heat exchange chamber 1 leaves with cooling medium, by applying the cooling medium air to the sealing device - irrespective of whether with positive or negative pressure - the thread F is quickly dried by the cooling medium.

Abstract

L'invention concerne un procédé et un dispositif permettant de traiter en continu des fils synthétiques dans une chambre d'échangeur de chaleur, dans laquelle le fil à traiter est immédiatement en contact avec le caloporteur. Il est prévu au niveau de l'ouverture de sortie du fil et au niveau de l'ouverture d'entrée du fil un dispositif d'étanchéité sollicité par un milieu d'étanchéité, avec une conduite pour le milieu d'étanchéité, montée à proximité de la sortie du fil ou de l'entrée du fil. Ce milieu d'étanchéité est maintenu à l'écart du fil qui traverse la chambre de l'échangeur de chaleur. A cet effet, il est prévu d'évacuer le milieu d'étanchéité avant la chambre de l'échangeur de chaleur ou également d'évacuer le caloporteur conjointement avec le milieu d'étanchéité. Une dérivation est prévue pour le milieu d'étanchéité à proximité de la chambre de l'échangeur de chaleur. L'échangeur de chaleur se présente de plus de manière divisée, de sorte que le fil puisse être inséré sous l'effet de la diminution d'une partie.
EP01953924A 2000-07-14 2001-07-11 Procede et dispositif pour traiter en continu des fils synthetiques dans une chambre d'echangeur de chaleur Withdrawn EP1303656A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE10034540 2000-07-14
DE10034540 2000-07-14
DE10058543 2000-11-24
DE10058543A DE10058543A1 (de) 2000-07-14 2000-11-24 Verfahren und Vorrichtung zur kontinuierlichen Behandlung von synthetischen Fäden in einer Wärmeaustauschkammer
PCT/DE2001/002643 WO2002006575A1 (fr) 2000-07-14 2001-07-11 Procede et dispositif pour traiter en continu des fils synthetiques dans une chambre d'echangeur de chaleur

Publications (1)

Publication Number Publication Date
EP1303656A1 true EP1303656A1 (fr) 2003-04-23

Family

ID=26006399

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01953924A Withdrawn EP1303656A1 (fr) 2000-07-14 2001-07-11 Procede et dispositif pour traiter en continu des fils synthetiques dans une chambre d'echangeur de chaleur

Country Status (6)

Country Link
EP (1) EP1303656A1 (fr)
JP (1) JP2004504504A (fr)
CN (1) CN100453720C (fr)
AU (1) AU2001276324A1 (fr)
DE (1) DE10192736D2 (fr)
WO (1) WO2002006575A1 (fr)

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CN100593596C (zh) * 2007-01-31 2010-03-10 中国科学院化学研究所 聚丙烯腈纤维蒸汽牵伸的装置和装置的密封方法
DE102007038375B3 (de) * 2007-08-14 2009-01-15 Power-Heat-Set Gmbh Heatsetting-Behälter
MX2013009249A (es) * 2011-02-10 2013-11-04 Mitsubishi Rayon Co Un aparato de tratamiento por vapor a presion de un haz de fibras acrilicas precursoras de fibras de carbono y un metodo para producir un haz de fibras acrilicas.
US9032596B2 (en) * 2011-08-22 2015-05-19 Mitsubishi Rayon Co., Ltd. Steam drawing apparatus
CN104233558A (zh) * 2013-06-08 2014-12-24 苏州联优织造有限公司 纺线的冷却装置
CN109837633B (zh) * 2019-03-18 2021-07-20 张家港欣欣高纤股份有限公司 一种聚酯纤维的热定型装置
CN110273191A (zh) * 2019-07-23 2019-09-24 中国科学院山西煤炭化学研究所 碳纤维原丝蒸汽牵伸装置

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US3213470A (en) * 1960-12-06 1965-10-26 Asahi Chemical Ind Method for the continuous treatment of textile bundles with pressure steam
US3175375A (en) * 1962-03-05 1965-03-30 Yazawa Masahide Apparatus for the continuous treatment of slivers
US3241343A (en) * 1962-08-28 1966-03-22 Yazawa Masahide Apparatus for continuous high speed and uniform processing of fiber material
US3230745A (en) * 1963-10-03 1966-01-25 Monsanto Co Continuous annealer
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DE3033409A1 (de) * 1980-09-05 1982-04-22 Honeywell Gmbh, 6000 Frankfurt Vorrichtung zur waermebehandlung von synthetischen faeden und garnen
JPS60193632A (ja) * 1984-03-16 1985-10-02 Asahi Chem Ind Co Ltd 高分子材料の連続加圧延伸装置
JP3164180B2 (ja) * 1992-07-24 2001-05-08 帝人製機株式会社 合成繊維糸条の熱処理装置
GB9202397D0 (en) * 1992-02-05 1992-03-18 British Tech Group Texturing yarn
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JP2002537494A (ja) * 1999-02-16 2002-11-05 テムコ、テクスティールマシーネンコムポネンテン、ゲゼルシャフト、ミット、ベシュレンクテル、ハフツング 糸を挿入して加撚する方法、および仮撚り織り装置
GB0000786D0 (en) * 2000-01-14 2000-03-08 Univ Manchester Apparatus for processing textile materials

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Also Published As

Publication number Publication date
CN1441864A (zh) 2003-09-10
JP2004504504A (ja) 2004-02-12
AU2001276324A1 (en) 2002-01-30
WO2002006575A1 (fr) 2002-01-24
CN100453720C (zh) 2009-01-21
DE10192736D2 (de) 2003-08-21

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