EP1967804A1 - Trocknungsvorrichtung und Verfahren für bemalte Körper, und Vorrichtung zur Zirkulation von Trocknungsluft in einer solchen Vorrichtung und bei einem solchen Verfahren - Google Patents

Trocknungsvorrichtung und Verfahren für bemalte Körper, und Vorrichtung zur Zirkulation von Trocknungsluft in einer solchen Vorrichtung und bei einem solchen Verfahren Download PDF

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Publication number
EP1967804A1
EP1967804A1 EP07103603A EP07103603A EP1967804A1 EP 1967804 A1 EP1967804 A1 EP 1967804A1 EP 07103603 A EP07103603 A EP 07103603A EP 07103603 A EP07103603 A EP 07103603A EP 1967804 A1 EP1967804 A1 EP 1967804A1
Authority
EP
European Patent Office
Prior art keywords
air
enclosure
drying
nozzles
aimed
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
Application number
EP07103603A
Other languages
English (en)
French (fr)
Other versions
EP1967804B1 (de
Inventor
Henk Gheysen
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.)
Alfadis
Original Assignee
Alfadis
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 Alfadis filed Critical Alfadis
Priority to EP07103603A priority Critical patent/EP1967804B1/de
Priority to AT07103603T priority patent/ATE456015T1/de
Priority to DE602007004436T priority patent/DE602007004436D1/de
Priority to CNA2008100881884A priority patent/CN101259462A/zh
Publication of EP1967804A1 publication Critical patent/EP1967804A1/de
Application granted granted Critical
Publication of EP1967804B1 publication Critical patent/EP1967804B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F26B21/003—Supply-air or gas filters
    • 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
    • F26B2210/00—Drying processes and machines for solid objects characterised by the specific requirements of the drying good
    • F26B2210/12—Vehicle bodies, e.g. after being painted

Definitions

  • the invention relates to area of paint cabins (spray booths) for painting objects of various types, more in particular for cars, trucks, trailers, etc.
  • Such spray booths or painting cabins involve the following essential features :
  • spray booths are combined “spray-bake” installations, also called “spray-dry” booths. This means that after a spraying phase, the booth can be switched to drying mode.
  • the spray mode is the mode during which the operator (painter) or robotized system is spraying the paint on / towards the object.
  • Inlet air temperature and booth temperature are set to approximately 20 °C.
  • "Overspray” and paint mist are extracted through extraction filters and the air is ejected outside the building housing the installation.
  • the invention there for provides a method for drying a painted body, involving circulating aimed air flows in an enclosure, by means of directional nozzles in the upper part of said enclosure, and removing air from the bottom of said enclosure, wherein air flow to said directional nozzles in said enclosure is provided by blowing means outside said enclosure, through filter means forming at least part of a ceiling surface of said enclosure.
  • aimed air flows refers to air flows (preferably having a velocity of 1 - 5 m/sec on the surface of the objects which are being dried, and most preferably a velocity of 1,5 - 2,5 m/sec) individually directed in selected (fixed or, preferably, capable to be individually oriented) directions, by means of directional nozzles / air jets (which are preferably capable to be individually oriented).
  • air is removed from the enclosure through air evacuation means forming at least part of the floor of said enclosure.
  • the invention also specifically provides a new type of drying device for painted bodies, comprising an enclosure with a top ceiling at least partially formed of filter means for incoming air and with a bottom floor at least partially formed of air evacuation means, further comprising aimed air nozzles within said enclosure, which new said drying device more specifically comprises blowing means provided outside said enclosure, connected to said individually aimed air nozzles whereas portions of said top ceiling filter means are interposed between said blowing means and said nozzles.
  • the aimed air nozzles of the drying device according to the invention must be understood as individually aimed air nozzles, each directed in a selected direction (fixed or, preferably, capable to be individually oriented).
  • the drying device according to the invention is most preferably designed as an essentially hermetic enclosure, operating under a pressure (slightly) increased over atmospheric pressure (in order to help avoiding any ingress of dust).
  • the invention furthermore specifically provides a new type of device for circulating aimed air flow in a drying booth for painted bodies, with a top ceiling at least partially formed of filter means for incoming air, comprising directional air nozzles positioned within said drying booth and blowing means feeding said directional air nozzles, whereas said blowing means are specifically provided outside said drying booth and connected to said directional air nozzles within said drying booth, and whereas portions of said top ceiling filter means are interposed between said blowing means and said nozzles.
  • the directional air nozzles of the circulation device according to the invention must be understood as individually directed air nozzles, each directed in a selected direction (fixed or, preferably, capable to be individually oriented).
  • the circulation device according to the invention can be incorporated in the design of newly build (painting and) drying device, but may very suitably also be provided as a retrofit installation for existing (painting and) drying devices.
  • Figure 1 is a side view, partially in section, of a (panting and) drying device / booth, according to the invention, incorporating a device for circulating aimed air flows, according to the invention.
  • Figure 2 is a front view, partly in section, of the drying device / booth, and circulation device according to figure 1 .
  • Figure 3 is an enlarged view of a part of figure 2 , specifically showing the details of the device for circulating aimed air flows, according to the invention.
  • the painting and drying booth shown in figures 1 and 2 , designated as a whole with reference numeral 10, comprises means for circulating aimed air flows in the spray booth, designated with reference numeral 20, comprising blowing means (2), outside the spray booth 10, connected to directional nozzle devices (4, 6) within the drying booth 10, with portions of ceiling filter means (5) of the spray booth 10 interposed between the blowing means 2 and the nozzle devices 4, 6.
  • Air is drawn from inside the "plenum", i.e. the air chamber above the painting and drying enclosure (30) of the spray booth 20, separated from the actual painting and drying enclosure 30 by a ceiling 40 comprising a set of ceiling filters 5; the air is heated and pre-filtered but not filtered to EU5 quality.
  • the air is drawn into the blowing means 2 from the plenum 30 via air inlet 1.
  • the fan and motor units (blowing means 2) for circulating the air are placed on top or on the side of the spray booth.
  • four fan-motor units 2 are provided (on the figures only three motor-fan units are visible, as the two middle units are positioned behind each other, on the view from the front as well as on the side view).
  • Each fan-motor 2 / jets 6 combination will operate for a certain area of the booth. For example : front of car, back of car one side of car, other side of car.
  • Each system can be switched on / switched off depending on where the object (car) is to be repaired. For larger objects (busses, trucks, etc.) more than four fans or higher capacity fans and/or more jet / fan combinations can suitably be installed.
  • a ducting system (3) leads the air to the air chambers (4) of the nozzle device 4, 6.
  • the positions of the jets 6 are selected in such way that the drying exchange effect is maximized.
  • the air velocity in the ducts 3 and the surface (length x width) of the air chambers is calculated such that the crossing speed through the filters is in the optimal range specified for the used type of filters.
  • the specified ideal crossing speed is in the range between 0,2 and 0,4 m/sec.).
  • the air speed / air velocity in the air chambers 4 should be such that the velocity of the air exiting the jets 6 provides an air flow on the surface of the objects which are being dried in the range between 1 and 5 m/sec., most appropriately in the range between 1,5 and 2,5 m/sec., in order to achieve said optimal drying exchange effect on the drying surface of the object.
  • the essential novelty of the invention resides in the fact that the (existing) EU5 - ceiling filter is pinched between the two halves of the air chambers 4 of the nozzle device 4, 6.
  • the anyway existing ceiling filter of the spray booth is used as filter medium for the jet-system.
  • the ceiling filters are most suitably provided in ceiling frames attached to the ceiling structure through a swivel hinge for easy replacement of the filter sheets; "pinching" of the filter 5 between the two halves of an air chamber 4 occurs when setting the hinged ceiling frame in closed position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
  • Drying Of Solid Materials (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Coating Apparatus (AREA)
EP07103603A 2007-03-06 2007-03-06 Trocknungsvorrichtung und Verfahren für bemalte Körper, und Vorrichtung zur Zirkulation von Trocknungsluft in einer solchen Vorrichtung und bei einem solchen Verfahren Not-in-force EP1967804B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP07103603A EP1967804B1 (de) 2007-03-06 2007-03-06 Trocknungsvorrichtung und Verfahren für bemalte Körper, und Vorrichtung zur Zirkulation von Trocknungsluft in einer solchen Vorrichtung und bei einem solchen Verfahren
AT07103603T ATE456015T1 (de) 2007-03-06 2007-03-06 Trocknungsvorrichtung und verfahren für bemalte körper, und vorrichtung zur zirkulation von trocknungsluft in einer solchen vorrichtung und bei einem solchen verfahren
DE602007004436T DE602007004436D1 (de) 2007-03-06 2007-03-06 Trocknungsvorrichtung und Verfahren für bemalte Körper, und Vorrichtung zur Zirkulation von Trocknungsluft in einer solchen Vorrichtung und bei einem solchen Verfahren
CNA2008100881884A CN101259462A (zh) 2007-03-06 2008-03-06 被喷涂物体的干燥装置和方法、及在该装置和方法中用于循环干燥空气的装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07103603A EP1967804B1 (de) 2007-03-06 2007-03-06 Trocknungsvorrichtung und Verfahren für bemalte Körper, und Vorrichtung zur Zirkulation von Trocknungsluft in einer solchen Vorrichtung und bei einem solchen Verfahren

Publications (2)

Publication Number Publication Date
EP1967804A1 true EP1967804A1 (de) 2008-09-10
EP1967804B1 EP1967804B1 (de) 2010-01-20

Family

ID=38325522

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07103603A Not-in-force EP1967804B1 (de) 2007-03-06 2007-03-06 Trocknungsvorrichtung und Verfahren für bemalte Körper, und Vorrichtung zur Zirkulation von Trocknungsluft in einer solchen Vorrichtung und bei einem solchen Verfahren

Country Status (4)

Country Link
EP (1) EP1967804B1 (de)
CN (1) CN101259462A (de)
AT (1) ATE456015T1 (de)
DE (1) DE602007004436D1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10584920B2 (en) 2015-07-31 2020-03-10 Dürr Systems Ag Treatment installation and method for treating workpieces
US10697702B2 (en) 2015-07-31 2020-06-30 Dürr Systems Ag Treatment installation and method for treating workpieces

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107929930A (zh) * 2016-10-12 2018-04-20 奥斯汀亚洲香港有限公司 一种自动涂覆人体的装置及其方法
CN108686906A (zh) * 2018-06-29 2018-10-23 江苏自强环保科技有限公司 一种喷涂工件烘干用废气处理装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5397606A (en) * 1992-04-30 1995-03-14 Imperial Chemical Industries Plc Enclosure for painting and a method of enforcing evaporation from a coating on a panel surface
EP0690279A1 (de) 1994-06-28 1996-01-03 Ransburg Corporation Farbspritz- und -Härtungskabine
EP0960312A1 (de) 1997-02-07 1999-12-01 Junair Spraybooths Limited Trocknungsvorrichtung in einer spritzkabine
DE20104205U1 (de) 2001-03-12 2001-07-19 Duerr Systems Gmbh Heißlufttrockner für eine Beschichtungsanlage
EP1400285A2 (de) 2002-09-17 2004-03-24 Wolf Stahlbau GmbH & Co. KG Zusatzvorrichtung für Farbspritzanlagen
DE202004014233U1 (de) 2004-09-09 2004-11-18 Lutro Luft- Und Trockentechnik Gmbh Belüftungsvorrichtung für Lackier- und/oder Trocknungsanlagen sowie eine solche Lackier- und/oder Trocknungsanlage

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5397606A (en) * 1992-04-30 1995-03-14 Imperial Chemical Industries Plc Enclosure for painting and a method of enforcing evaporation from a coating on a panel surface
EP0690279A1 (de) 1994-06-28 1996-01-03 Ransburg Corporation Farbspritz- und -Härtungskabine
EP0960312A1 (de) 1997-02-07 1999-12-01 Junair Spraybooths Limited Trocknungsvorrichtung in einer spritzkabine
DE20104205U1 (de) 2001-03-12 2001-07-19 Duerr Systems Gmbh Heißlufttrockner für eine Beschichtungsanlage
EP1400285A2 (de) 2002-09-17 2004-03-24 Wolf Stahlbau GmbH & Co. KG Zusatzvorrichtung für Farbspritzanlagen
DE202004014233U1 (de) 2004-09-09 2004-11-18 Lutro Luft- Und Trockentechnik Gmbh Belüftungsvorrichtung für Lackier- und/oder Trocknungsanlagen sowie eine solche Lackier- und/oder Trocknungsanlage

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10584920B2 (en) 2015-07-31 2020-03-10 Dürr Systems Ag Treatment installation and method for treating workpieces
US10697702B2 (en) 2015-07-31 2020-06-30 Dürr Systems Ag Treatment installation and method for treating workpieces
US11112177B2 (en) 2015-07-31 2021-09-07 Dürr Systems Ag Treatment installation and method for treating workpieces
US11674752B2 (en) 2015-07-31 2023-06-13 Dürr Systems Ag Treatment installation and method for treating workpieces
US11740021B2 (en) 2015-07-31 2023-08-29 Dürr Systems Ag Treatment installation and method for treating workpieces

Also Published As

Publication number Publication date
DE602007004436D1 (de) 2010-03-11
CN101259462A (zh) 2008-09-10
ATE456015T1 (de) 2010-02-15
EP1967804B1 (de) 2010-01-20

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