EP1856318A1 - Vorrichtung und verfahren zur reinigung und überprüfung der löcher eines düsenstreifens - Google Patents
Vorrichtung und verfahren zur reinigung und überprüfung der löcher eines düsenstreifensInfo
- Publication number
- EP1856318A1 EP1856318A1 EP06701119A EP06701119A EP1856318A1 EP 1856318 A1 EP1856318 A1 EP 1856318A1 EP 06701119 A EP06701119 A EP 06701119A EP 06701119 A EP06701119 A EP 06701119A EP 1856318 A1 EP1856318 A1 EP 1856318A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nozzle
- holes
- cleaning
- nozzle strip
- strip
- 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
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H18/00—Needling machines
- D04H18/04—Needling machines with water jets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
Definitions
- the invention relates to an apparatus and a method for cleaning and checking the holes of a nozzle strip in order to detect and eliminate any dirt and / or signs of wear.
- hydroentanglement of staple or continuous fibers is one of the most interesting and promising solidification processes for nonwovens.
- the method of hydroentanglement is based on the swirling of the individual fibers by means of a multiplicity of very fine water jets.
- water is distributed evenly over the width of the system under high pressure in a so-called nozzle bar and passed through the individual nozzle bores of an inner nozzle strip.
- the thus generated water jets with a diameter of 0.08 to 0.15 mm strike the web at a speed of 100 to 350 m / s and thereby compact and swirl the fibers.
- the nozzle strips are subject to extreme mechanical and chemical stress. Depending on the pressure, fibers and water quality, abrasion, cavitation and chemical reactions often cause significant reductions in the expected service life.
- An optimized nozzle geometry ensures a perfect water jet shape, so that the energy conversion from water pressure into turbulence achieves the highest efficiency.
- a consistently high quality of the spunbonded nonwovens produced by the spunlace technology depends crucially on a reliable and trouble-free hydroentanglement of the nonwovens. This is only guaranteed if the nozzle holes of the nozzle strip used for hydroentanglement are free of blockages and show no signs of wear.
- a device for checking one or more nozzles and the cleaning of the same is already known. In this case, the state (degree of calcification) is automatically detected by means of optical detectors and a cleaning, e.g. using ultrasound or other cleaning methods.
- DE 600 06 258 T2 From the German patent DE 600 06 258 T2 is also known that a gumming device are provided with feeding devices for the adhesive in a cigarette packaging machine, which can clog during drying of the adhesive and therefore need to be cleaned.
- DE 102 03 719 A1 discloses a system for hydroentangling nonwovens in which the holes of a nozzle strip can be monitored by optical means and then optionally cleaned.
- the invention therefore relates to a device for checking the holes of a nozzle strip in a machine for hydroentanglement of nonwovens, which comprises a unit for single or multiple water jet cleaning.
- the cleaning unit should consist of a container for soaking the nozzle strip in a liquid from which the nozzle strip can be fed by means of transport rollers of a unit for water jet and ultrasonic cleaning supply.
- the unit for automatically detecting the state of the nozzle holes should detect both their possible soiling and any signs of wear of the nozzle edges.
- Subject of the invention is further a method for checking the condition of the holes of a nozzle strip in a plant for hydroentanglement of nonwoven fabrics, the nozzle strip first subjected to a single or multiple water jet cleaning and then the holes by optical methods on dirt and / or signs of wear automatically be subjected to a complete or partial post-purification if contamination or clogging has been detected.
- Fig. 1 shows a partial view of the device according to the invention, in which the nozzle strips to be checked are guided through a system which allows automatic detection of the state of the nozzle holes. It shows the following details:
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Treatment Of Fiber Materials (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Coating With Molten Metal (AREA)
- Cleaning In General (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Detergent Compositions (AREA)
- Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL06701119T PL1856318T3 (pl) | 2005-02-24 | 2006-01-09 | Urządzenie i sposób do oczyszczania i sprawdzania otworów pasa dyszowego |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005008413A DE102005008413B3 (de) | 2005-02-24 | 2005-02-24 | Vorrichtung und Verfahren zur Reinigung und Überprüfung der Löcher eines Düsenstreifens |
PCT/EP2006/000428 WO2006089602A1 (de) | 2005-02-24 | 2006-01-19 | Vorrichtung und verfahren zur reinigung und überprüfung der löcher eines düsenstreifens |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1856318A1 true EP1856318A1 (de) | 2007-11-21 |
EP1856318B1 EP1856318B1 (de) | 2009-01-07 |
Family
ID=36082471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06701119A Not-in-force EP1856318B1 (de) | 2005-02-24 | 2006-01-09 | Vorrichtung und verfahren zur reinigung und überprüfung der löcher eines düsenstreifens |
Country Status (7)
Country | Link |
---|---|
US (1) | US20080190456A1 (de) |
EP (1) | EP1856318B1 (de) |
AT (1) | ATE420232T1 (de) |
DE (2) | DE102005008413B3 (de) |
ES (1) | ES2319687T3 (de) |
PL (1) | PL1856318T3 (de) |
WO (1) | WO2006089602A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202010016908U1 (de) | 2010-12-22 | 2011-12-29 | Trützschler Nonwovens Gmbh | Vorrichtung zum Reinigen eines Düsenstreifens für Wasserstrahlvernadelungsanlagen |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3355323A (en) * | 1965-12-20 | 1967-11-28 | Robert L Dyar | Method of cleaning vegetables |
US3403862A (en) * | 1967-01-06 | 1968-10-01 | Du Pont | Apparatus for preparing tanglelaced non-woven fabrics by liquid stream jets |
IT1310460B1 (it) * | 1999-09-01 | 2002-02-18 | Gd Spa | Dispositivo gommatore . |
DE10203719A1 (de) | 2002-01-30 | 2003-07-31 | Fleissner Maschf Gmbh Co | Registriereinheit an einem Düsenbalken einer Vorrichtung zur Erzeugung von feinsten Flüssigkeitsstrahlen zur Strahlbeaufschlagung einer Faserbahn |
DE10213014B4 (de) * | 2002-03-22 | 2006-10-05 | Rational Ag | Vorrichtung und Verfahren zur Überwachung des Verstopfungsgrades einer Beschwadungsdüse eines Gargerätes |
-
2005
- 2005-02-24 DE DE102005008413A patent/DE102005008413B3/de not_active Expired - Fee Related
-
2006
- 2006-01-09 AT AT06701119T patent/ATE420232T1/de not_active IP Right Cessation
- 2006-01-09 PL PL06701119T patent/PL1856318T3/pl unknown
- 2006-01-09 EP EP06701119A patent/EP1856318B1/de not_active Not-in-force
- 2006-01-09 DE DE502006002579T patent/DE502006002579D1/de active Active
- 2006-01-09 ES ES06701119T patent/ES2319687T3/es active Active
- 2006-01-19 WO PCT/EP2006/000428 patent/WO2006089602A1/de active Application Filing
- 2006-01-19 US US11/885,176 patent/US20080190456A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO2006089602A1 * |
Also Published As
Publication number | Publication date |
---|---|
ATE420232T1 (de) | 2009-01-15 |
PL1856318T3 (pl) | 2009-06-30 |
US20080190456A1 (en) | 2008-08-14 |
ES2319687T3 (es) | 2009-05-11 |
DE502006002579D1 (de) | 2009-02-26 |
EP1856318B1 (de) | 2009-01-07 |
DE102005008413B3 (de) | 2006-07-27 |
WO2006089602A1 (de) | 2006-08-31 |
WO2006089602A8 (de) | 2007-07-12 |
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