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EP0558718B1 - Procede et dispositif de climatisation de metiers mecaniques - Google Patents

Procede et dispositif de climatisation de metiers mecaniques Download PDF

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Publication number
EP0558718B1
EP0558718B1 EP92919296A EP92919296A EP0558718B1 EP 0558718 B1 EP0558718 B1 EP 0558718B1 EP 92919296 A EP92919296 A EP 92919296A EP 92919296 A EP92919296 A EP 92919296A EP 0558718 B1 EP0558718 B1 EP 0558718B1
Authority
EP
European Patent Office
Prior art keywords
air
outlet
conditioning
outlet opening
warp
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.)
Expired - Lifetime
Application number
EP92919296A
Other languages
German (de)
English (en)
Other versions
EP0558718A1 (fr
Inventor
Pavel Verner
Walter Bollier
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.)
Luwa Ltd
Original Assignee
Luwa Ltd
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
Application filed by Luwa Ltd filed Critical Luwa Ltd
Publication of EP0558718A1 publication Critical patent/EP0558718A1/fr
Application granted granted Critical
Publication of EP0558718B1 publication Critical patent/EP0558718B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
    • D03J1/00—Auxiliary apparatus combined with or associated with looms
    • D03J1/002—Climatic conditioning or removing lint or dust

Definitions

  • the invention relates to a method for weaving machine air conditioning according to the preamble of claim 1 and a weaving machine air conditioning device.
  • conditioned air is supplied both through ceiling outlets distributed in the room and through local outlets.
  • a local outlet is provided for each machine, which has a slot-shaped outlet opening at a distance above the warp.
  • the local outlets are arranged under the selvedges. In both cases, the outlet opening extends approximately across the full width of the warp and releases a jet of conditioned air directed against the warp.
  • Local air outlets below the weaving machine are also known, for example, from EP-A1-0 137 056 and DE-B-2 203 900. Both of these air outlets provided in the floor of the weaving machine hall pursue the goal of blowing air-conditioned air into the room at low speed under the machine. For this purpose, they have a large-area outlet opening running transversely to this which is occupied by an air-permeable, convexly curved distribution element.
  • the air outlet according to the former document is provided in the area below the chain with respect to the weaving machine.
  • the air outlet according to DE-B-2 203 900 has upstream of the distribution element arranged at the outlet opening further walls with openings which act as distribution elements.
  • the object of the invention is to provide a method which brings effective conditioning with a considerable reduction in the air-conditioning costs per weaving machine due to reduced power requirements and air volume flow and smaller water consumption, without creating an impermissible obstacle in visual terms or for accessibility.
  • a piston-like displacement flow is understood to be a low-turbulence flow with an approximately uniform distribution and approximately the same speed over its full cross section. Exit speeds of between 0.3 and 1.2 m / sec are possible.
  • the invention is based on the knowledge that the transport of moisture with an air jet blown out of a slot-shaped outlet opening is not very effective and is therefore uneconomical. This is mainly due to the relatively high exit velocity necessary for the throughput of the required amount of air. Studies show that for the time being, a significant proportion of the blown-out air does not reach the (not yet woven) warp threads. In addition, some of this air bounces off the warp without being able to release its moisture. This means that significantly more conditioned air has to be conveyed than the weave chain has in order to achieve the desired relative humidity.
  • the displacement flow used in accordance with the invention allows the required exit speed to be reduced considerably compared to that from a slot-shaped outlet opening with the same distance to be covered up to the warp.
  • the piston-like displacement flow creates and maintains conditions within its cross-section that are different from those of the environment.
  • the climate of each zone on a textile machine can be controlled with regard to the required properties. Flight and dust from the surroundings are also prevented from entering this zone. If this is required, several zones can be controlled on a machine or in the supply area of the textile material by a piston-like displacement flow, whereby the climatic conditions in these can be interpreted differently.
  • Piston-like displacement flows can therefore also be used advantageously to air-condition other textile processes and processes, e.g. Use when carding, depositing, storing and picking up the fuse from the jug, stretching and spinning as well as twisting.
  • the device according to the invention is defined in claim 6. Further features are set out in claims 7-12. The invention is further defined in use claim 13.
  • FIG. 1 generally designates a weaving machine with a warp beam 4, thread monitors 6, a shaft package 8, a drawer 10 and a goods beam 12.
  • the warp threads that run over a match tree 14 and form the warp chain 16 are designated by 18 and the rear compartment of the shed adjoining the thread monitor 6 is indicated at 20.
  • a local outlet 22 is arranged above the weaving machine 2 and at a distance from the warp 16 or the rear shed 20 a line 24 is supplied with conditioned air from a climate control center 26.
  • the local outlets of all other weaving machines of the weaving room (not shown) are also connected to the same air-conditioning center 26.
  • the local outlet 22 has an outlet opening 32 directed downward against the warp 16 and extends horizontally over the entire working width of the weaving machine 2, the outlet opening being oriented approximately at right angles to the general course of the warp.
  • the design of the local outlet can be seen in FIGS. 2 and 3.
  • the local outlet 22 comprises a box 30 of elongated shape with a constant rectangular cross section over its longitudinal extent.
  • the box 30 is closed on all sides with the exception of the underside forming the outlet opening 32.
  • the bottom and top represent the broad sides of the rectangular cross-sectional shape of the box.
  • the interior 40 contains distribution elements in order to distribute the air flowing in through the inlet opening 38 evenly over the surface of the outlet opening 32 and to generate the displacement flow provided according to the invention.
  • these distributing members comprise a perforated plate 42 which is parallel to the upper side 34, but at a distance from the upper side 34 over a central longitudinal region and the full width of the interior 40 extends.
  • the length of the perforated plate 42 fastened by bolts 44 to the top 34 of the box 30 is greater than the diameter of the inlet opening 38, but less than the length of the interior.
  • a further perforated plate 46 which is attached to the side walls of the box 30 or is suitably supported on the underside.
  • the extent of this perforated plate 46 is limited to a dimension that is somewhat smaller than the diameter of the inlet opening 38.
  • the passage cross section formed by the perforation of the perforated plates 42 and 46, based on their area, preferably makes up between 35 and 45%.
  • the last distribution element in the interior 40 of the box is an air-permeable mat 48, e.g. of a corresponding foam, which is clamped between a peripheral flange 58 of the box and a grid 50.
  • Mat 48 and grid 50 extend the full length and width of the interior.
  • the grid 50 which is formed, for example, by a wire mesh of relatively large mesh size, is supported on a narrow frame 52 provided on the underside of the box.
  • the frame 52 delimits the outlet opening 32 with the length 54 and the width 56.
  • a foam with a pressure loss of 15-20 Pa at 0.6 m / sec has proven to be suitable for the mat 48.
  • the Box 30 represents an air distributor 60.
  • the described design and arrangement of the distribution members in this box result in a gradual distribution of the air flowing into the interior 40 through the inlet opening 38.
  • the perforated plate 42 which also acts as a baffle plate opposite the inlet opening, only a part of this air can pass in the direction of the arrows 62, while the rest is deflected on opposite sides in the longitudinal direction of the interior 40 with little pressure loss, without continuing on Mat 48, ie to have to overcome a flow obstacle in the direction of arrows 64.
  • the latter still has to overcome the perforated plate 46.
  • the partial flows 62 and 64 therefore reach the mat 48 at approximately the same speed.
  • a fine distribution of the air takes place on the mat 48 and as it passes through it, a piston-like displacement flow is formed which is formed from the finest flow threads.
  • a limitation to values between 0.5 and 0.8 m / sec is indicated in the present context.
  • the air quantities can thus be designed differently within certain limits even with the same dimensions of the air distributor 60.
  • the air-conditioning center supplies conditioned air which exits from the local outlet 22 formed by the air distributor 60 (FIG. 1) as a piston-like displacement flow 70, e.g. B. exits vertically downward at an exit speed of 0.6 m / sec and has a width of, for example, 300 mm, corresponding to dimension 56.
  • the displacement flow places the distance, for example 0.9 m, up to the upper one Warp thread sheet 20 'of the shed 20 in a compact form and hits the shaft package 8 in front of it. When it strikes this and the lower warp thread sheet 20 ", the air is deflected at least as a larger partial flow 72 against the thread monitor 6 and flows along the warp threads 18 against their delivery direction.
  • a partial flow 74 flows along the corresponding warp threads in the shed area and flows between them Both partial flows of this air create a climate suitable for transport and processing in the vicinity of the warp 16 by dissipating heat and dust and keeping the relative humidity at an advantageous value, since the warp threads 18 are separated from the flow for a longer period of time, there is also a direct absorption of moisture, which has a favorable effect both for the weaving process and for water consumption. This applies in particular to the influence of the partial flow 72 which flows along the warp threads, envelops them and shields them from the ambient air.
  • a distance of approximately 1.2 m from the local outlet from the weaving chain running below represents an upper limit for economic reasons.
  • a bottom opening 80 is expediently provided below the weaving machine 2 in a manner known per se, via which dust-laden air is transported away.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Auxiliary Weaving Apparatuses, Weavers' Tools, And Shuttles (AREA)
  • Duct Arrangements (AREA)
  • Air-Flow Control Members (AREA)

Abstract

Au moins un courant d'air climatisé est généré à une certaine distance de la chaîne tissée par chaque métier mécanique et dirigé sur celle-ci. L'air climatisé est transporté jusqu'aux fils de chaîne par un courant de refoulement descendant agissant à la manière d'un piston.

Claims (13)

  1. Procédé pour la climatisation de machines textiles, dans lequel on produit pour chaque machine textile, à distance du fil textile de celle-ci, au moins un courant d'air de climatisation dirigé vers l'aval en direction opposée à celui-ci, caractérisé en ce que l'air de climatisation est amené au fil textile sous la forme d'un courant de déplacement à la manière d'un piston.
  2. Procédé suivant la revendication 1 pour la climatisation de métiers mécaniques, dans laquelle le courant d'air de climatisation est dirigé en direction opposée à la chaîne, caractérisé en ce que l'air de climatisation est amené aux fils de chaîne par le courant de déplacement.
  3. Procédé suivant la revendication 1, caractérisé en ce que les fils de chaîne sont conditionnés par un courant partiel du courant de déplacement, s'écoulant le long de ceux-ci.
  4. Procédé suivant la revendication 1, caractérisé en ce que le courant de déplacement dirigé vers la foule arrière est, après déviation, conduit le long des fils de chaîne en direction du côté de l'ensouple.
  5. Procédé suivant l'une des revendications 1, 2 ou 3, caractérisé en ce qu'une vitesse de sortie d'un maximum de 0, 9 m/sec est imprimée au courant de déplacement.
  6. Dispositif pour la climatisation de machines textiles, avec au moins une sortie d'air locale (22) pour chaque machine textile (2), qui est destinée à être raccordée à une centrale de climatisation (26) par un orifice d'entrée (38) et qui présente un distributeur d'air (60) avec plusieurs organes de distribution (42, 46, 48) plans, montés l'un derrière l'autre dans le sens du courant, ainsi qu'un orifice de sortie (32), qui est destiné à être disposé transversalement à la machine textile à distance du fil textile, caractérisé en ce que l'orifice de sortie est destiné à être orienté en direction opposée au fil textile (16), afin de distribuer l'air, au moyen des organes de distribution, en un courant de déplacement à la manière d'un piston sur une largeur de l'orifice de sortie d'au moins 150 mm.
  7. Dispositif suivant la revendication 6, caractérisé en ce que le dernier organe de distribution (48) dans la direction du courant présente une perte de charge de 15 - 20 Pa à 0,6 m/sec.
  8. Dispositif suivant la revendication 6 ou 7, pour la climatisation de métiers mécaniques, avec au moins une sortie d'air locale (22) pour chaque métier mécanique (2), caractérisé en ce que l'orifice de sortie (32) est destiné à être orienté en direction opposée à la chaîne (16).
  9. Dispositif suivant l'une des revendications 6 - 8, caractérisé en ce que l'orifice de sortie (32) de la sortie d'air (22) est prévu dans un côté large d'un caisson (30) de profil approximativement rectangulaire, formant le distributeur d'air (60), dont la section transversale parallèlement au côté large correspond approximativement à la section transversale de l'orifice de sortie.
  10. Dispositif suivant l'une des revendications 6 - 9, caractérisé en ce que le distributeur d'air (60) présente, en face de l'orifice d'entrée (38), un organe de distribution (42) en guise de chicane et en ce que l'organe de distribution monté avant l'orifice de sortie (32) est formé par une tôle perforée (46) et le dernier organe de distribution par une nappe (48) perméable à l'air.
  11. Dispositif suivant la revendication 10, caractérisé
       en ce que la tôle perforée (46) et la nappe (48) sont disposées parallèlement à l'orifice de sortie (32).
  12. Dispositif suivant l'une des revendications précédentes, caractérisé en ce que le distributeur d'air présente au moins un orifice de sortie latéral.
  13. Utilisation d'une sortie d'air locale produisant un courant de déplacement à la manière d'un piston, raccordée à une centrale de climatisation pour la climatisation d'une machine textile, en particulier d'un métier mécanique.
EP92919296A 1991-09-23 1992-09-22 Procede et dispositif de climatisation de metiers mecaniques Expired - Lifetime EP0558718B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH2815/91 1991-09-23
CH2815/91A CH684101A5 (de) 1991-09-23 1991-09-23 Verfahren und Vorrichtung zur Webmaschinenklimatisierung.
PCT/CH1992/000193 WO1993006281A1 (fr) 1991-09-23 1992-09-22 Procede et dispositif de climatisation de metiers mecaniques

Publications (2)

Publication Number Publication Date
EP0558718A1 EP0558718A1 (fr) 1993-09-08
EP0558718B1 true EP0558718B1 (fr) 1997-12-17

Family

ID=4242218

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92919296A Expired - Lifetime EP0558718B1 (fr) 1991-09-23 1992-09-22 Procede et dispositif de climatisation de metiers mecaniques

Country Status (8)

Country Link
US (2) USRE39655E1 (fr)
EP (1) EP0558718B1 (fr)
JP (1) JP2589653B2 (fr)
CH (1) CH684101A5 (fr)
DE (1) DE59209075D1 (fr)
HK (1) HK1005780A1 (fr)
SG (1) SG50528A1 (fr)
WO (1) WO1993006281A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005040471A1 (fr) 2003-10-21 2005-05-06 Wiessner Gmbh Procede et dispositif de conditionnement d'un processus

Families Citing this family (10)

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JPH07508079A (ja) * 1993-04-16 1995-09-07 ルーワ　アクチェンゲゼルシャフト 織物製造工程の周囲環境に影響を及ぼす装置
US5910598A (en) * 1994-11-02 1999-06-08 Shofner Engineering Associates, Inc. Modular process zone and personnel zone environmental control with dedicated air jet cleaning
US5676177A (en) * 1994-11-02 1997-10-14 Shofner Engineering Associates, Inc. Method for optimally processing materials in a machine
US6128832A (en) * 1999-06-04 2000-10-10 Ltg Air Engineering, Inc. Method and system for providing conditioned air
US6820655B2 (en) * 2002-03-22 2004-11-23 Hans Adolf Beeh Loom and room conditioning system
DE102004052177B4 (de) * 2004-10-27 2013-10-31 Rieter Ingolstadt Gmbh Spinnereivorbereitungsmaschine sowie Gehäuse für ein Streckwerk einer Spinnereivorbereitungsmaschine
EP2228347A1 (fr) 2009-03-07 2010-09-15 Luwa Air Engineering AG Procédé de drainage de boues d'épuration
EP3844331A1 (fr) 2018-08-30 2021-07-07 Luwa Air Engineering AG Système de métier à tisser pour climatisation de métier à tisser
CN109365131B (zh) * 2018-11-13 2020-05-12 南通华强布业有限公司 一种纺织机纺织尘收集装置
CN111270390A (zh) * 2020-04-08 2020-06-12 杭州源凯诚科技有限公司 一种回吸式的无尘纺织机

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
WO2005040471A1 (fr) 2003-10-21 2005-05-06 Wiessner Gmbh Procede et dispositif de conditionnement d'un processus

Also Published As

Publication number Publication date
EP0558718A1 (fr) 1993-09-08
JPH06502460A (ja) 1994-03-17
SG50528A1 (en) 1998-07-20
CH684101A5 (de) 1994-07-15
JP2589653B2 (ja) 1997-03-12
USRE39655E1 (en) 2007-05-29
HK1005780A1 (en) 1999-01-22
US5472018A (en) 1995-12-05
DE59209075D1 (de) 1998-01-29
WO1993006281A1 (fr) 1993-04-01

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