EP0393008B1 - Vorrichtung zum Reinigen und Trocknen von Glastafeln - Google Patents

Vorrichtung zum Reinigen und Trocknen von Glastafeln Download PDF

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Publication number
EP0393008B1
EP0393008B1 EP90890068A EP90890068A EP0393008B1 EP 0393008 B1 EP0393008 B1 EP 0393008B1 EP 90890068 A EP90890068 A EP 90890068A EP 90890068 A EP90890068 A EP 90890068A EP 0393008 B1 EP0393008 B1 EP 0393008B1
Authority
EP
European Patent Office
Prior art keywords
air outlet
glass sheet
outlet opening
closure
nozzle
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
EP90890068A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0393008A3 (en
EP0393008A2 (de
Inventor
Peter Lisec
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0393008A2 publication Critical patent/EP0393008A2/de
Publication of EP0393008A3 publication Critical patent/EP0393008A3/de
Application granted granted Critical
Publication of EP0393008B1 publication Critical patent/EP0393008B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
    • B05B1/3033—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head
    • B05B1/304—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve
    • B05B1/3046—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve the valve element, e.g. a needle, co-operating with a valve seat located downstream of the valve element and its actuating means, generally in the proximity of the outlet orifice
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/005—Nozzles or other outlets specially adapted for discharging one or more gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B11/00—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto
    • B08B11/04—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto specially adapted for plate glass, e.g. prior to manufacture of windshields
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/06—Controlling, e.g. regulating, parameters of gas supply
    • F26B21/12—Velocity of flow; Quantity of flow, e.g. by varying fan speed, by modifying cross flow area

Definitions

  • the invention relates to a device for cleaning and drying glass sheets, having a cleaning zone and a drying zone, wherein the glass sheet to be cleaned is moved through the device by means of a conveyor and wherein at least one pair of opposing nozzles is provided in the drying zone, which may be inclined extend to the direction of movement of the glass sheet to be dried in a plane parallel to the plane of the glass sheet, the air outlet openings of which face the glass sheet and are designed as a slit or as a series of openings and whose direction of blowout includes an acute angle with the glass sheet.
  • a device for cleaning and drying glass sheets with nozzles in the drying zone, which optionally extend obliquely to the direction of movement of the glass sheet to be cleaned or dried in a plane parallel to the plane of the glass sheet transverse to the direction of movement and whose air outlet opening faces the glass sheet and with it preferably includes an acute angle and is designed as a slot or as a series of openings, are known from EP-A-0213532.
  • a disadvantage of the known nozzles is that air constantly emerges from their air outlet openings, which are generally designed as a slot extending over the entire length of the nozzle, over the entire air outlet opening, ie over the entire height of the nozzle. Since the glass washing machines and also their drying zone are designed for the processing of the largest occurring window formats, the nozzles of the drying zone usually have a length of approximately 3 m measured transversely to the direction of movement of the glass plates.
  • a nozzle for an impact jet dryer is known, the air outlet opening facing the material to be dried and designed as a slot.
  • the air outlet opening of the nozzle is assigned closure members which, in their operative position, partially seal the air outlet opening.
  • the outlet opening of the slot nozzle is to be partially closed by two swords which can be swiveled into it synchronously in order to set the width over which the slot nozzle acts. In their operative position, the swords are received within the slot nozzle.
  • the invention has for its object to develop a device of the type mentioned so that the unused outflow of air from the air outlet opening of the nozzles is avoided without impairing the drying effect.
  • each nozzle is assigned at least one closure member which, in its operative position, closes the air outlet opening in some areas, which is arranged inside the preferably cylindrical nozzles and which is preferably cylindrical and can be fitted from the inside against the air outlet opening of the nozzles and has controllable closure body by means of a drive.
  • the effective length of the air outlet opening ie the area of the air outlet opening from which air actually emerges, can be adapted to the actual height of the glass sheet to be dried will.
  • the closure member or the closure members is (are) arranged inside the nozzle, the arrangement of the closure member does not interfere with the usual execution of the drying zone of a glass sheet washing machine. Since, according to the invention, a closure body which can be placed against the inside of the air outlet opening is provided, a secure, sealed closure supported by the excess pressure prevailing in the nozzle is ensured. It is preferred that the closure body of the closure members made of elastically deformable material, e.g. Foam rubber or foam plastic. If, in the device according to the invention, the air outlet opening of each nozzle is assigned a plurality of closure members, all of the closure members located in its operative position and at a distance from the upper end of the air outlet opening are also adjusted into their operative position.
  • the closure member extends over half the length of the air outlet opening.
  • the closure member can be continuous or subdivided, with a continuous closure member being preferred in the embodiment according to claim 2.
  • an embodiment of the invention has proven itself, according to which a sensor is provided which detects the height of the glass sheet to be dried and which emits a corresponding signal to the control of the drive for the closure members.
  • the dimension of the air outlet opening is automatically adapted to the dimension of the glass sheet to be dried, so that air losses and unnecessary blower performance are avoided.
  • the drive of the closure members is arranged outside the nozzle, with a drive motor, e.g. a pressure medium motor, this embodiment is advantageous since the drive motor for the closure member does not influence the design of the nozzle as such, so that it can still be optimized with regard to the flow behavior of the air passed through it and emerging from its air outlet opening.
  • a drive motor e.g. a pressure medium motor
  • the invention also extends to an embodiment in which it is provided that the speed of the conveyor device moving the glass sheet through the device is increased, at least in the region of the drying zone, in the case of air outlet openings partially closed by the closure members, compared to the conveying speed when the air outlet openings are fully open.
  • the speed of transport of the glass sheets through the drying zone is increased, it can also be provided that, in the case of air outlet openings partially closed by the closure members, the driving speed of cleaning brushes arranged in the cleaning zone, and possibly also the amounts of cleaning fluid and rinsing fluid supplied, compared to the amounts that are present when complete open air outlet openings are fed is increased.
  • the increase in speed when using the nozzle according to the invention in a cleaning device are provided for glass panels, without any disadvantage to the drying effect, if a blower is provided which conveys filtered and possibly dried air to the nozzles, and the conveying capacity of which is unchanged when the air outlet openings are partially closed by the closure members.
  • FIG. 1 shows a largely schematic and top view of a glass sheet washing machine with a drying zone
  • FIG. 2 shows a section along the line II-II in FIG. 1
  • FIG. 3 shows a section along the line III-III in FIG. 2.
  • a device 1 shown in FIGS. 1 and 2 for cleaning and drying glass sheets is divided into a cleaning zone 2 and a drying zone 3.
  • the glass sheets to be cleaned and dried are moved in the direction of arrow 4 on rollers 5 of a conveying device, standing up through device 1.
  • the conveyor device can also be designed as described and shown in EP-A-0174294.
  • round brushes 6 and 7 are shown in the cleaning zone 2, which are driven in rotation about essentially vertical axes.
  • the round brushes 6 and 7 are assigned nozzles, not shown, for the supply of cleaning or rinsing liquid.
  • band brushes cf. EP-A-0204063 can also be provided.
  • Vertical rollers 8 are provided in front of and behind and between the round brushes 6 and 7, which are driven in rotation and support the transport of the glass sheets through the device 1 (these rollers can be omitted if the conveyor is designed according to EP-A-0174294).
  • the drying zone 3 is provided in the device 1, which has two nozzles 10, which are oriented obliquely to the conveying direction 4 and extend from bottom to top in a plane parallel to the conveying plane.
  • the area swept by the nozzles 10 is, for example, 3 m in the height direction.
  • Each nozzle 10 of the oppositely arranged pair of nozzles 10 has an air outlet opening in the form of a longitudinal slot 11, from which air, which is supplied to the nozzles 10 from a blower, not shown, via lines, not shown, is blown obliquely onto the glass sheet to be dried, whereby the air flow is inclined against the direction of movement (arrow 4).
  • the device 1 has a housing 9 which houses the cleaning zone 2 and the drying zone 3.
  • the inlet and outlet openings of the housing 9 can be designed as also described in EP-A-0174294.
  • an intermediate wall equipped with a closure member known from EP-A-0174294 can be provided between the cleaning zone 2 and the drying zone 3 of the device 1.
  • Fig. 3 shows a closure member 12 which is provided in the interior of the nozzle 10.
  • the closure member 12 has a closure body 13 which is adjustably connected via a bracket 14 by a screw connection to the piston rod 15 of an actuating cylinder 16, which is arranged outside the nozzle 10 and connected to the latter via a nozzle 17.
  • the closure body 13 of the closure member 12 is made of resilient material and can be made of foam rubber (foam rubber) or foam plastic, for example exist or be formed by an elastically resilient, pressurized hollow body.
  • the closure body 13 of the closure member 12 can be withdrawn from the operative position shown in FIG. 3, in which it closes the air outlet opening 11 of the nozzle 10, into a rest position which releases the air outlet opening 11.
  • the air outlet opening 11 of the nozzle 10 is assigned a plurality of closure elements 12 which can be actuated independently of one another. It is further preferred that the closure members 12 are located in the upper region of the nozzle 10, i.e. are located in their area distant from the conveyor 5.
  • a closure member 12 is provided with a continuous closure body 13 (a plurality of pressure medium cylinders 16 can also be provided for its actuation), this preferably extends over the upper half of the air outlet opening 11, so that air can only escape from the lower half of the nozzle 10 , when the closure member of the lower half of the nozzle 10 can escape, so that only the most frequently occurring glass formats (height about 1.4 to 1.5 m) are coated with air to dry.
  • closure members 12 are provided in the nozzle 10, then these are preferably switched so that all the closure members 12 arranged above a closure member 12 in its operative position are also in their operative position closing the air outlet opening 11. In this way it is ensured that no air flows out of the nozzle 10 above the glass sheet to be dried.
  • a sensor 18 which responds to the upper edge of a glass sheet and can be moved up and down on a guide 19 can be provided in the device.
  • the sensor 18 adjusts itself according to the height of the upper edge of the glass sheet and emits a signal corresponding to its position to the control of the drive cylinder 16 for the closure members 12, whereupon all the closure members 12 located in the area above the determined height are closed.
  • the air outlet openings 11 of the nozzles 10 according to the invention are partially closed in their operative position by introducing closure members 12, then it is useful if the performance of the blower is not reduced. As a result, more air flows through the unclosed part of the air outlet opening 11 of the nozzle 10 in the time unit, so that it emerges at a higher speed and the drying effect is increased. This makes it possible to move a glass sheet through the drying zone 3 more quickly than hitherto when air flows unused from regions of the air outlet openings 11 located above the upper edge of the glass sheet.
  • the increase in the speed for moving the glass sheet in the direction of arrow 4 can also be controlled by the sensor 18 as a function of the detected altitude. Speed increases of up to 40% are possible if the air outlet openings of the nozzles 10 are half closed.
  • the conveying speed can also be increased in this area and, for example, the speed of the cleaning brushes 6 and 7 and the conveying devices 5, 8 from the currently usual 12 m / sec in the above mentioned Extent to be increased.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)
  • Cleaning In General (AREA)
  • Joining Of Glass To Other Materials (AREA)
EP90890068A 1989-04-11 1990-03-09 Vorrichtung zum Reinigen und Trocknen von Glastafeln Expired - Lifetime EP0393008B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT853/89A AT393237B (de) 1989-04-11 1989-04-11 Duese fuer das trocknen von glastafeln
AT853/89 1989-04-11

Publications (3)

Publication Number Publication Date
EP0393008A2 EP0393008A2 (de) 1990-10-17
EP0393008A3 EP0393008A3 (en) 1990-11-28
EP0393008B1 true EP0393008B1 (de) 1992-01-22

Family

ID=3501303

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90890068A Expired - Lifetime EP0393008B1 (de) 1989-04-11 1990-03-09 Vorrichtung zum Reinigen und Trocknen von Glastafeln

Country Status (6)

Country Link
US (1) US5010619A (enrdf_load_stackoverflow)
EP (1) EP0393008B1 (enrdf_load_stackoverflow)
AT (2) AT393237B (enrdf_load_stackoverflow)
DE (3) DE59000036D1 (enrdf_load_stackoverflow)
DK (1) DK0393008T3 (enrdf_load_stackoverflow)
ES (1) ES2029145T3 (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4120836A1 (de) * 1991-06-24 1993-01-07 Karges Hammer Maschf Vorrichtung zum beschichten einer ritzlinie eines dosendeckels
US6018842A (en) * 1997-08-13 2000-02-01 Billco Manufacturing, Inc. Glass washing machine
US6301930B1 (en) 1999-06-14 2001-10-16 Guardian Industries Corporation Apparatus for washing curved sheets of glass and corresponding method
US7232493B2 (en) * 2003-09-11 2007-06-19 Ged Integrated Solutions, Inc. Glass washing machine with conveyor and brush speed control
US9480282B2 (en) * 2013-07-31 2016-11-01 Evans Mactavish Agricraft, Inc. Feed device for linear airflow separator
US11383936B1 (en) * 2017-12-06 2022-07-12 Alliance Manufacturing, Inc. Automatic height adjusting manifold
CN110425863B (zh) * 2019-09-03 2024-07-12 广东省华彩玻璃机械有限公司 一种高效节能玻璃清洗干燥机

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH169329A (de) * 1932-12-01 1934-05-31 Vass Josef Von Einrichtung zur Entstaubung von Textilwaren, wie Teppichen und dergleichen.
US2671241A (en) * 1947-08-23 1954-03-09 Libbey Owens Ford Glass Co Glass drying apparatus
DE1283159B (de) * 1965-06-30 1968-11-14 Schilde Ag Schlitzduese fuer Prallstrahltrockner
US3358315A (en) * 1966-04-14 1967-12-19 Fitchburg Paper Fluid conducting apparatus
US3462851A (en) * 1966-12-09 1969-08-26 Midland Ross Corp Web treating apparatus
US3849831A (en) * 1972-12-20 1974-11-26 Dee Electric Co Air dryer equipment
GB2096490B (en) * 1981-04-13 1984-12-05 Davey Loewy Ltd Spraying apparatus
DE3230247A1 (de) * 1982-08-13 1984-02-16 J. Wagner Gmbh, 7990 Friedrichshafen Verstellduesenanordnung
DE3581984D1 (de) * 1984-09-03 1991-04-11 Peter Lisec Vorrichtung zum reinigen von glastafeln.
AT381654B (de) * 1985-06-03 1986-11-10 Mawak Warenhandel Vorrichtung zum reinigen von glastafeln
DE8524541U1 (de) * 1985-08-28 1985-10-17 Lenhardt, Karl, 7531 Neuhausen Vorrichtung zum Trocknen von gewaschenen Glastafeln
DE3533085A1 (de) * 1985-09-17 1987-03-26 Bosch Gmbh Robert Zumessventil zur dosierung von fluessigkeiten oder gasen
DE3704199A1 (de) * 1987-02-11 1988-08-25 Unitas Sa Duese zum abblasen kontinuierlich bewegter oberflaechen
DD270017A1 (de) * 1988-03-14 1989-07-19 Erfurt Mikroelektronik Vorrichtung zur nachtropf- bzw. nachlaufsicherung an spritzduesen, insbesondere von pflanzenschutzmaschinen

Also Published As

Publication number Publication date
ES2029145T3 (es) 1992-07-16
DK0393008T3 (da) 1992-03-23
DE4009442C2 (enrdf_load_stackoverflow) 1992-06-25
ATE72035T1 (de) 1992-02-15
DE4009442A1 (de) 1990-10-25
EP0393008A3 (en) 1990-11-28
US5010619A (en) 1991-04-30
DE9003437U1 (de) 1990-06-21
DE59000036D1 (de) 1992-03-05
EP0393008A2 (de) 1990-10-17
ATA85389A (de) 1991-02-15
AT393237B (de) 1991-09-10

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