EP1493495A2 - Sprühkabine - Google Patents

Sprühkabine Download PDF

Info

Publication number
EP1493495A2
EP1493495A2 EP04015576A EP04015576A EP1493495A2 EP 1493495 A2 EP1493495 A2 EP 1493495A2 EP 04015576 A EP04015576 A EP 04015576A EP 04015576 A EP04015576 A EP 04015576A EP 1493495 A2 EP1493495 A2 EP 1493495A2
Authority
EP
European Patent Office
Prior art keywords
booth
room
spray booth
partitions
spray
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
EP04015576A
Other languages
English (en)
French (fr)
Other versions
EP1493495B1 (de
EP1493495A3 (de
Inventor
Antonio Di Battista
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.)
Technoplants SRL
Original Assignee
Technoplants SRL
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 Technoplants SRL filed Critical Technoplants SRL
Publication of EP1493495A2 publication Critical patent/EP1493495A2/de
Publication of EP1493495A3 publication Critical patent/EP1493495A3/de
Application granted granted Critical
Publication of EP1493495B1 publication Critical patent/EP1493495B1/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 present invention concerns a spray booth.
  • the invention concerns a spray booth of the kind equipped with means for generating a forced airflow capable of avoiding inhalation of harmful volatile products by the operator.
  • Spray booths of the above kind are widely used for painting vehicle bodyworks, frames, aircraft parts and so on, but they can also be used for other processes, such as applying lutes and other protective materials involving volatile product exhalation.
  • the present regulations require that a forced airflow is generated in the booth, with a suitable speed to quickly and constantly evacuate harmful substances.
  • the air introduced into the booth is to be heated or cooled to reach a comfortable temperature for the operator.
  • a further problem related with the use of spray booths of the described kind is the need to decontaminate the exhausted air before discharging it again into the outer environment.
  • booths In order to limit the consumption of energy, while guaranteeing at the same time the respect of the present regulations in terms of operator safety, booths have been conceived wherein only the portion of booth occupied by the user is ventilated. An example of realisation of such booths is shown in the European patent application EP 1314484 in the name of the Applicant.
  • Said document describes a spray booth the floor and the ceiling of which are divided into a plurality of regions, each of said regions being provided with an independent ventilation system.
  • Each region of the floor comprises a pressure sensor for detecting the presence of the operator in said region, so that only the ventilation systems relative to that region and to the adjacent regions are actuated.
  • said solution can be applied only when vertical airflows are used, as the control of the ventilation systems is based on the detection of the weight of operator.
  • a further object of the present invention is to provide a spray booth the ventilation system of which can be effectively used for processing articles having any shape and size.
  • the invention is based on the assumption that it is not necessary to ventilate the whole of the spray booth at the above mentioned speed, but only those regions inside the booth where the emission of harmful substance is present.
  • said control device comprises a processing unit provided with a file wherein the size features of all the articles that could be sprayed and the corresponding instructions for the control system of the spraying system are stored.
  • control device is based on the shape and on the position of the article to be sprayed and not on the position of operator moving inside the booth, the selection of the regions to be ventilated is set only once at the beginning of the spraying operation and is not modified during the processing.
  • a spray booth according to the invention, generally denoted by reference numeral 1 and comprising a base 1a, side walls 1b to 1e and a ceiling 1f. Inside booth 1 it is defined a substantially free room for housing one or more articles 101,103 to be processed.
  • Each region Z i can be independently ventilated, as it will be described more in detail in the following.
  • each region Z i is controlled by a control system on the basis of the data concerning the shape and the position of the article 101, 103 to be sprayed or to be processed, so that the region Z i is ventilated only if occupied by said article 101,103.
  • said control system is provided with a processing unit comprising a processing file, wherein the data concerning the geometric shape of the articles to be sprayed are stored.
  • the ventilation system will be actuated only in the regions Z 4 , Z 7 , Z 11 , Z 16 .
  • Said ventilation system is housed inside a room 3 adjacent to the side wall 1c and 1e of the spray booth 1 and comprises one or more vertical ducts 5 from which the air respectively blown and sucked comes.
  • Said vertical ducts 5 are provided with a plurality of side openings 7 through which the air flow is introduced into a so called compensation "plenum" 9, that, if necessary, is divided by means of vertical 12 and horizontal 13 baffles.
  • Said "plenum" 9 are separated from the room inside the spray booth by a series of partitions S 1 ,S 2 ,..,S i ,..S 16 , respectively obtained in the wall 1c and in the wall 1e of the booth 1, one partition for each area P 1 ,P 2 ,..,P i ,..P 16 of each wall.
  • Said partitions comprise some fins 15 that can be rotated thanks to leverages or gears so that said partitions can pass from an open to a closed position and vice versa.
  • the opening of said partitions S 1 ,S 2 ,..,S i ,..S 16 is actuated by the control system on the basis of the information stored in the processing file and concerning the article to be processed and occurs through actuators acting on said leverages or gears which set into motion said fins.
  • the air sucked through the areas of the wall 1e is then conveyed to suitable decontaminating equipment (comprising e.g. a set of carbon filters) before being exhausted into the outer environment.
  • suitable decontaminating equipment comprising e.g. a set of carbon filters
  • control device opens or respectively closes, for each partition S i present on said wall 1c, the partition aligned with it and arranged on the opposed wall 1e.
  • blowers and the aspirators are so sized that they ensure effective ventilation of each region Z i , in the respect of the present regulations.
  • filters 11 are mounted for preventing that impurities existing in the airflow coming from the blower penetrate inside booth 1. Similar filters are advantageously mounted on the opposed wall 1e for preventing that the volatile substances used in the spraying process contaminate the outer environment.
  • Said filters 11 are preferably inserted into frames hinged to said wall(s) so that they can pivot and can be easily inspected from the inside of booth 1.
  • anemometers are arranged in suitably selected points inside said booth. Said anemometers provide to the control device the measurement of the airflow present in the booth 1; if said airflow is considered to be insufficient for ensuring the safety of operators inside the booth, the control device actuates the opening of further partitions S i for increasing said airflow until optimal conditions for the operators are obtained.
  • each area P i on the wall 1c is equipped with its own blower and, correspondingly, that each area in the wall 1e is equipped with its own aspirator.
  • the control device can be directly act on the control members of each blower and of each aspirator, for forcing the airflow in the desired region, according to the geometrical features of the article to be processed.

Landscapes

  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
  • Ventilation (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Road Signs Or Road Markings (AREA)
  • Separation Of Particles Using Liquids (AREA)
EP04015576A 2003-07-02 2004-07-02 Sprühkabine Expired - Lifetime EP1493495B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO20030508 2003-07-02
IT000508A ITTO20030508A1 (it) 2003-07-02 2003-07-02 Cabina di verniciatura

Publications (3)

Publication Number Publication Date
EP1493495A2 true EP1493495A2 (de) 2005-01-05
EP1493495A3 EP1493495A3 (de) 2007-10-31
EP1493495B1 EP1493495B1 (de) 2010-04-28

Family

ID=33428327

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04015576A Expired - Lifetime EP1493495B1 (de) 2003-07-02 2004-07-02 Sprühkabine

Country Status (4)

Country Link
EP (1) EP1493495B1 (de)
AT (1) ATE465818T1 (de)
DE (1) DE602004026806D1 (de)
IT (1) ITTO20030508A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010069143A1 (zh) * 2008-12-19 2010-06-24 Sun xin ai 一种节能减噪型喷漆烤漆房
CN103736619A (zh) * 2014-01-23 2014-04-23 机械工业第六设计研究院有限公司 智能喷漆室

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0480664A2 (de) 1990-10-09 1992-04-15 Nordson Corporation Verbesserungen für Pulverbeschichtungskabinen mit geregelter Lüftung zur Beschichtung von Kraftfahrzeugen

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0480664A2 (de) 1990-10-09 1992-04-15 Nordson Corporation Verbesserungen für Pulverbeschichtungskabinen mit geregelter Lüftung zur Beschichtung von Kraftfahrzeugen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010069143A1 (zh) * 2008-12-19 2010-06-24 Sun xin ai 一种节能减噪型喷漆烤漆房
CN103736619A (zh) * 2014-01-23 2014-04-23 机械工业第六设计研究院有限公司 智能喷漆室

Also Published As

Publication number Publication date
ITTO20030508A1 (it) 2005-01-03
EP1493495B1 (de) 2010-04-28
EP1493495A3 (de) 2007-10-31
ATE465818T1 (de) 2010-05-15
DE602004026806D1 (de) 2010-06-10

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