EP0750529B1 - Bearbeitungskabine und verfahren zum belüften einer bearbeitungskabine - Google Patents

Bearbeitungskabine und verfahren zum belüften einer bearbeitungskabine Download PDF

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Publication number
EP0750529B1
EP0750529B1 EP95920041A EP95920041A EP0750529B1 EP 0750529 B1 EP0750529 B1 EP 0750529B1 EP 95920041 A EP95920041 A EP 95920041A EP 95920041 A EP95920041 A EP 95920041A EP 0750529 B1 EP0750529 B1 EP 0750529B1
Authority
EP
European Patent Office
Prior art keywords
air
fresh air
chamber
ceiling
air supply
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
EP95920041A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0750529A1 (de
Inventor
Dragoslav Milojevic
Manfred Lösch
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.)
ABB Technology FLB AB
Original Assignee
UK Secretary of State for Defence
ABB Flaekt AB
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 UK Secretary of State for Defence, ABB Flaekt AB filed Critical UK Secretary of State for Defence
Publication of EP0750529A1 publication Critical patent/EP0750529A1/de
Application granted granted Critical
Publication of EP0750529B1 publication Critical patent/EP0750529B1/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
    • B05B16/00—Spray booths
    • B05B16/60—Ventilation arrangements specially adapted therefor

Definitions

  • the invention relates to a method for venting a Treatment cabin, especially a painting or Spray booth for painting objects such as Vehicle bodies, in which the to be fed into the cabin Fresh air is supplied through an air-permeable ceiling, an air supply chamber being arranged above the ceiling is that with a fresh air supply system connected supply air chamber via at least one Passage opening is connected and in which the in the Air supply chamber through incoming fresh air Changes in the passage opening flows in a controllable manner.
  • the invention relates to a processing cabin, in particular a painting and spray booth for painting Items like vehicle bodies, with one over one air-permeable ceiling arranged air supply chamber, which extend essentially over the entire length of the ceiling Cabin extends, and with one with the air supply chamber connected via at least one adjustable passage opening Supply air chamber connected to a fresh air supply system connected.
  • a processing booth of the type mentioned is from DE 29 32 392 C3 known.
  • Fresh air or processed exhaust air via vertical Supply air lines led into one or more supply air chambers, which in turn via horizontally arranged, adjustable flaps in Through openings with an underlying one Air inlet chamber are connected.
  • the air inlet chamber is there arranged above an air-permeable ceiling of the spray booth.
  • This technical problem is solved with a method of ventilation solved a treatment cabin, in which the in the cabin Fresh air to be supplied via an air-permeable ceiling is supplied, with an air supply chamber above the ceiling is arranged with one on one Fresh air supply system connected to the supply air chamber at least one passage opening is connected and in which the amount of fresh air flowing into the air supply chamber Change in the passage opening flows in controllably by at least part of the supplied into the supply air chamber Fresh air quantity in the supply air chamber over a predetermined Length is forced parallel to the ceiling before the forced fresh air in the air supply chamber flows in, and by in the end region of the compulsory leadership for determining the fresh air volume flowing through necessary parameters be measured.
  • Another technical problem on which the invention is based is to create a treatment booth at which of limited height that flows into the treatment cabin Fresh air volume can be determined very precisely.
  • This technical problem is having a machining booth one arranged above an air-permeable ceiling Air supply chamber that extends essentially over the entire Ceiling length of the cabin extends over at least one adjustable passage opening with one on one Fresh air supply system connected supply air chamber is connected, solved in that at least one with the Passage opening connected channel over a predetermined Length extends parallel to the ceiling, and that in the end area of the channel at least one measuring device to determine the parameters required to determine the fresh air volume flowing through are arranged.
  • the invention is based on the idea of distributing the in the fresh air to be supplied to the processing cabin now, not as in the known prior art via vertically arranged Air distribution pipes or channels in the for the Total distribution necessary air supply chamber above the ceiling let it flow in, but the amount of fresh air before it enters the air supply chamber or its divided sections can flow in beforehand parallel to the ceiling lead so that over this predetermined length the fresh air flow flowing through can be determined more precisely before each in the one or more assigned sections of the Air supply chamber can flow.
  • An advantageous embodiment of the invention provides that an inlet opening of the channel through which the introduced into the supply air chamber Fresh air flows into the duct, partially or entirely extends over the entire width and partially over the height of the supply air chamber.
  • the predetermined length of the forced guidance of the fresh air is advantageously determined in such a way that an im essentially constant velocity profile of the air flow can train in the positive control, so that the exact Determination of the through the cross section of the positive guidance or Channel fresh air volume passing through is made possible.
  • those used to calculate the exact Airflow volume necessary parameters such as humidity, Airtightness etc. after the formation of the essentially laminar Velocity profile seen in the flow direction at the end the forced guidance of the fresh air supplied by suitable Determines measuring devices and then the passage opening according to the calculated controlled variable to a predetermined one Value changed.
  • the Air supply chamber in individual sections through partitions is divided, and the supplied into the supply air chamber Fresh air seen side by side or in the inflow direction consecutive positions in different Partial air flows divided and each forced over one suitable length is parallel to the ceiling and only then through associated passage openings in the individual sections flow into the air supply chamber. This ensures that the fresh air volume for each section of the air supply chamber exactly determined and in each case by regulating the associated Openings to a predetermined value independently can be determined from each other.
  • an inventive Processing booth one with the passage opening connected channel parallel to each other over a predetermined length the ceiling extends and the inlet opening of the channel through which the fresh air introduced into the supply air chamber into the duct flows in, partially or entirely over the entire height and Width of the supply air chamber extends in the flow direction Fresh air seen end of the parallel to the ceiling arranged channel arranged at least one control flap the one flowing through the cross section of the channel Fresh air volume based on that measured by the measuring device Control variable that flows into the air supply chamber Fresh air volume constantly at a predetermined value adjust.
  • Channels By in the direction of flow of fresh air in the supply air chamber a number of connected and / or connected in series extending parallel to the ceiling over a predetermined length Channels are arranged, each with at least one adjustable through hole are connected and into the Air supply chamber lead into one of the number of channels corresponding number of separate sections by opposite the vertical sloping walls can be divided for the underlying sections of the treatment cabin exactly the Air flow rate or sink rate, that inflowing fresh air volume can be regulated by Example the adjustable flaps in the area in front of the respective through openings depending on the individual measured airflow volumes automatically set be, so that always the predetermined value for each assigned section in the treatment cabin or the Sections in the air supply chamber is observed.
  • the humidifiers and / or heaters for everyone Channel in the supply air chamber are provided separately, despite the change in the characteristic parameters of each Partial air flows into the individual sections of the Air supply chamber are supplied, the air volume for each Section through the measuring devices arranged at the end exactly be determined and each - as already mentioned - the associated passage opening or openings such as for Example adjustable flaps can be changed so that the once specified value exactly for each section in the underlying treatment cabin can be maintained.
  • the partitions are advantageously in the air supply chamber and that at the end of the parallel channels in the supply air chamber facing the through opening End walls arranged parallel to each other so that the Air flow is deflected evenly.
  • the device according to the invention or The method according to the invention can control the amount of supply air very precisely the entire cabin area can be set by the desired air volume or the air sink rate as Specification is entered and the volume measuring device with the individual measuring devices in connection with a Control device for each control valve accordingly on the sets the required value.
  • This requirement is for the operator the processing cabin can be entered via a control panel, controllable and when using a recording device documentable.
  • the accuracy of the setting options decreases with increasing number of sections per cabin area.
  • the application of Paint material on a workpiece to be coated relieved and improves the achievable quality of the coating.
  • the improved quality of the coating the reduced economic outlay for painting and the rate of workpieces increased in the first painting process properly coated.
  • the device according to the invention or the invention Process can be used for both wet painting and Powder coating booths can be used.
  • Spray booth according to the invention is one in different Sections divided by inclined partitions 8 Air supply chamber 2 over an air-permeable ceiling 1 arranged.
  • Air supply chamber 2 over an air-permeable ceiling 1 arranged.
  • Supply air chamber 3 which is separated by a false ceiling 31 from the Air supply chamber 2 is separated.
  • the supply air chamber 3 is with a fresh air supply system, not shown, connected ensures the supply of fresh air into the supply air chamber 3.
  • the false ceiling 31 has a number of in the flow direction the fresh air introduced into the supply air chamber 3 consecutive passage openings 4, whereby the Supply air chamber 3 with individual sections of the air supply chamber 2 is connected.
  • the individual sections of the Air supply chamber 2 are covered with the ceiling 1 and False ceiling 31 connected partitions 8 formed; advantageously, as in this embodiment the partitions 8 each with the front edge Passage opening 4 connected and then run in Direction of flow seen inclined to the ceiling 1.
  • In the area in front of the passage openings 4 are adjustable flaps 5 rotatably attached, whereby the flow cross-section to Passage opening 4 out or the passage opening 4 itself is controllably changeable, i.e. the flow rate of the Fresh air in the individual sections of the air supply chamber 2 is adjustable.
  • Below the cabin or the Application area is a paint mist separator and suction device 10 arranged below the cabin or the Application area.
  • the associated fresh air volume then flows through the Passage opening 4 in the associated section of the Air supply chamber 2 above the air-permeable ceiling 1, the inclined partitions 8 the inflowing Redirect fresh air parallel to the ceiling and only then Fresh air evenly vertically down through the air-permeable ceiling 1 flows through and into the respective Sections of the treatment cabin flows.
  • heating and / or not shown Humidifiers at the beginning of each duct 6 provided so that individually for each section of the Treatment cabin or the individual sections in the Air supply chamber 2 humidifies the air in the desired manner or can be warmed. Then at the end of channel 6 through the measuring devices the inflowing Fresh air volumes exactly determined and the flap 5 in each Passage opening 4 as by a suitable drive Electric motor set that a predetermined value for that inflowing air volumes are precisely maintained.
  • the individual extend Air channels over a portion of the height of the supply air chamber 3, so that only a portion of the inflowing Fresh air volume in the supply air chamber 3 in the individual Sections of the air supply chamber 2 is branched off.
  • the Partial airflow is then individual for each section of the Treatment cabin according to the intended temperature, the desired humidity level and also the amount of fresh air to be supplied.

Landscapes

  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
  • Coating Apparatus (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Road Signs Or Road Markings (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Exposure Control For Cameras (AREA)
EP95920041A 1994-05-17 1995-05-15 Bearbeitungskabine und verfahren zum belüften einer bearbeitungskabine Expired - Lifetime EP0750529B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4417188A DE4417188A1 (de) 1994-05-17 1994-05-17 Bearbeitungskabine und Verfahren zum Belüften einer Bearbeitungskabine
DE4417188 1994-05-17
PCT/EP1995/001837 WO1995031292A1 (de) 1994-05-17 1995-05-15 Bearbeitungskabine und verfahren zum belüften einer bearbeitungskabine

Publications (2)

Publication Number Publication Date
EP0750529A1 EP0750529A1 (de) 1997-01-02
EP0750529B1 true EP0750529B1 (de) 1999-04-28

Family

ID=6518245

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95920041A Expired - Lifetime EP0750529B1 (de) 1994-05-17 1995-05-15 Bearbeitungskabine und verfahren zum belüften einer bearbeitungskabine

Country Status (11)

Country Link
US (1) US5762548A (pt)
EP (1) EP0750529B1 (pt)
JP (1) JPH10500063A (pt)
AT (1) ATE179348T1 (pt)
AU (1) AU2564395A (pt)
BR (1) BR9507644A (pt)
CA (1) CA2190143A1 (pt)
DE (2) DE4417188A1 (pt)
PL (1) PL178033B1 (pt)
RU (1) RU2145526C1 (pt)
WO (1) WO1995031292A1 (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0849001A1 (de) * 1996-12-20 1998-06-24 Robert sen. Wälti Spritzkabine und Luftzirkulationssystem für einen Arbeitsraum
US6146264A (en) * 1998-09-08 2000-11-14 Ford Global Technologies, Inc. Paint booth airflow control system
EP1354636A3 (en) * 2002-04-19 2008-07-09 Garmat Europe Air distribution system for paint spray booth
DE20305947U1 (de) 2003-04-11 2003-06-18 Wagner Ag Altstaetten J Vorrichtung zur Reinigung einer Pulverbeschichtungskabine und Pulverbeschichtungskabine mit Reinigungsvorrichtung
US7001262B2 (en) * 2003-08-01 2006-02-21 Ford Motor Company System for dynamic airflow control in a paint booth using multiple air supply plenums
DE20313854U1 (de) 2003-09-06 2003-11-13 Duerr Systems Gmbh Kabine zum Oberflächenbehandeln von Werkstücken
DE102006061334B4 (de) * 2006-12-22 2015-08-13 Bayerische Motoren Werke Aktiengesellschaft Lackieranlage
DE102011122056A1 (de) * 2011-12-22 2013-06-27 Eisenmann Ag Anlage zum Beschichten von Gegenständen
US9878342B2 (en) * 2013-07-10 2018-01-30 Thomas Wiliams Inflatable support structure system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1122144A (fr) * 1955-02-16 1956-09-03 Carrier Soc Cabine-tunnel pour l'application de peinture ou autre produit au pistolet
US3101038A (en) * 1959-08-03 1963-08-20 Pyle National Co Air and light distributor unit
DE1427897C3 (de) * 1961-12-22 1975-03-20 Hoestemberghe & Kluetsch Gmbh, 6630 Saarlouis Kühlbett für vierkantiges Walzgut
CH614139A5 (en) * 1976-02-11 1979-11-15 Serva Tech System for extracting and cleaning air contaminated with paint mist or dust
DE2932392C2 (de) * 1979-08-09 1988-07-28 Aktiebolaget Svenska Fläktfabriken, 13134 Nacka Spritzkabine
US4367787A (en) * 1980-05-16 1983-01-11 Haden Schweitzer Corporation Air conditioning apparatus and method for paint spray booths
NO154444L (pt) * 1981-11-28
JPS63171663A (ja) * 1987-01-10 1988-07-15 Toyota Motor Corp 塗装ブ−ス
DE3802597A1 (de) * 1988-01-29 1989-08-10 Duerr Gmbh & Co Spritzkabine
US5095811A (en) * 1990-10-09 1992-03-17 Nordson Corporation Automotive powder coating booth with modulated air flow
DE9205700U1 (pt) * 1992-04-28 1992-07-23 Contec Dipl.-Ing. Fromme Gmbh, 7446 Oberboihingen, De

Also Published As

Publication number Publication date
CA2190143A1 (en) 1995-11-23
EP0750529A1 (de) 1997-01-02
ATE179348T1 (de) 1999-05-15
DE4417188A1 (de) 1995-11-23
BR9507644A (pt) 1997-09-23
RU2145526C1 (ru) 2000-02-20
DE59505781D1 (de) 1999-06-02
US5762548A (en) 1998-06-09
PL178033B1 (pl) 2000-02-29
JPH10500063A (ja) 1998-01-06
PL318467A1 (en) 1997-06-23
AU2564395A (en) 1995-12-05
WO1995031292A1 (de) 1995-11-23

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