EP1268085A1 - Verfahren und einrichtung zur reinigung von mit lackpartikeln verunreinigter luft - Google Patents
Verfahren und einrichtung zur reinigung von mit lackpartikeln verunreinigter luftInfo
- Publication number
- EP1268085A1 EP1268085A1 EP01911231A EP01911231A EP1268085A1 EP 1268085 A1 EP1268085 A1 EP 1268085A1 EP 01911231 A EP01911231 A EP 01911231A EP 01911231 A EP01911231 A EP 01911231A EP 1268085 A1 EP1268085 A1 EP 1268085A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- paint particles
- belt
- paint
- air
- suction
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
- B05B14/20—Arrangements for collecting, re-using or eliminating excess spraying material from moving belts, e.g. filtering belts or conveying belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
- B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
- B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
- B05B14/44—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths using walls specially adapted for promoting separation of the excess material from the air, e.g. baffle plates
Definitions
- the invention relates to a method for cleaning air contaminated with paint particles, wherein paint particles passing by the workpiece to be painted are sucked off by a suction device, and a device for carrying out this method.
- the object of the invention is to protect these filters arranged in the suction device or to save them at all, while at the same time creating the possibility of recovering the deposited paint particles.
- the method according to the invention provides that the flow of the suction air is guided along the outer belt surface of at least one endlessly rotating belt, at least some of the paint particles contained in the suction air being separated onto the rotating belt.
- the device according to the invention provides that the suction device is arranged downstream behind the region of the endless belt which separates the paint particles from the air.
- the suction device attracts and accelerates the paint particles distributed in the air, guiding the flow of the suction air along the outer belt top
- the surface of the endless belt leads to the fact that at least some of the paint particles contained in the suction air are deposited on the belt.
- the endless belt directly behind the workpiece to be painted.
- the tape can then also take up paint particles passing directly past the workpiece to be painted, as is shown in EP 0 650 398 B1.
- the endlessly circulating belt passes through a removal device for the picked-up paint, in which the paint is preferably scraped off.
- the endlessly circulating belt not only has the function of separating paint particles separated from the air, but is also used to collect paint particles passing directly on the workpiece to be painted, it is advantageous if the tape is deposited at a point which occurs after the Removal device and in front of the point at which the paint particles are collected directly.
- a structurally particularly favorable solution for the device for carrying out the method is obtained if the endless belt has a region in which it is deflected approximately in a U-shape and the suction opening of the suction device is arranged basically at the indentation formed by the deflection. This makes it possible to transfer paint particles from the exhaust air to rollers which are arranged inside the indentation and which can be pressed against the outside of the rotating belt.
- the deposition of the paint particles on the rollers can be improved in that the roller is provided with electrical grounding and in that a device is provided for electrostatically charging the paint particles carried by the extracted air.
- the transfer of the applied paint from the rollers to the belt is carried out by a
- rollers and belt promoted Relative movement between rollers and belt promoted. It can therefore be provided that the roller is driven independently of the belt.
- the rollers can driven slower than the belt or even temporarily rotating in opposite directions.
- the rollers it is advisable to deflect the belt at least once in the area separating the paint particles.
- the paint particles accelerated by the suction device hit the belt due to the deflection and stick there. It is particularly effective if the tape is guided in a zigzag fashion in the area separating the paint particles.
- FIG. 1 is a diagrammatic representation of a device according to the invention obliquely from the front, FIG. 2 shows the rear of the device of FIG. 1,
- Fig. 3 shows the application of a device according to the invention in a car painting booth
- Fig. 4 is a schematic diagram of an alternative embodiment of the device according to the invention.
- the device according to the invention serves to collect and recover those paint particles 6 which pass through the workpiece 7 when painting workpieces by means of a spray organ 8.
- an endlessly circulating belt 1 is provided in the device shown in FIGS. 1 and 2, which moves in the direction of arrow 5.
- the suction device for the air which is indicated by the arrows 9 and is loaded with paint particles 6, is located inside the device.
- the design shown is particularly space-saving because that the band 1 is deflected in a U-shape, the suction opening 2 of the suction device, not shown, being arranged on the base of the indentation 3 formed thereby. This creates an air flow along the surface of the belt 1.
- the suction device 2 is located in a wall, not shown, which laterally delimits the device.
- the air loaded with paint particles 6 does not reach the suction opening 2 directly, but is directed in a meandering manner around rollers 4 made of metal. Particularly when these rollers 4 are grounded and the paint particles 6 are electrically charged, paint particles 6 are deposited on the rollers 4. As a result, they do not reach the suction device, so that the exiting exhaust air 10 requires little or no filtering.
- the rollers 4 are either continuously pressed against the belt 1 and rotate with it, or they can at least be pressed against the belt 1 intermittently. Since the belt 1 has just passed through the cleaning device shown in FIG. 2 in the area of the rollers 4, it absorbs most of the particles 6 deposited on the rollers 4 before it reaches the area behind the workpiece 7, where the predominant amount of the impinging lacquer passing the workpiece 7 directly.
- FIG. 3 shows the use of the device according to the invention in a car painting booth 14.
- the object 7 to be painted is a car. It stands on an air-permeable grating through which the air enriched with paint particles 6, represented by the arrows 9, is sucked downwards. The exhaust air stream is sucked into the indentation 3 provided with rollers 4, where the paint particles are rolled onto the belt 1 and separated.
- a removal device 13 is provided, which can be constructed similarly to that shown in FIG. 2.
- the device according to the invention replaces the previously provided filter at any point in the exhaust air duct 15, which leads to a suction device, not shown.
- two endless belts 1 are arranged correspondingly, between which a zigzag-shaped channel 16 is formed. Due to the numerous deflections in channel 16, the Paint particles 6 due to their inertia against the tapes 1 and stick there.
- removal devices 13 are provided for cleaning the tapes 1.
- the emerging exhaust air 10 is free of impurities.
Landscapes
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Coating Apparatus (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Electrostatic Separation (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT3842000 | 2000-03-08 | ||
AT0038400A AT408847B (de) | 2000-03-08 | 2000-03-08 | Verfahren und einrichtung zur reinigung von mit lackpartikeln verunreinigter luft |
PCT/AT2001/000062 WO2001066265A1 (de) | 2000-03-08 | 2001-03-06 | Verfahren und einrichtung zur reinigung von mit lackpartikeln verunreinigter luft |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1268085A1 true EP1268085A1 (de) | 2003-01-02 |
Family
ID=3673200
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01911231A Withdrawn EP1268085A1 (de) | 2000-03-08 | 2001-03-06 | Verfahren und einrichtung zur reinigung von mit lackpartikeln verunreinigter luft |
Country Status (7)
Country | Link |
---|---|
US (1) | US20030145565A1 (de) |
EP (1) | EP1268085A1 (de) |
JP (1) | JP2003529446A (de) |
AT (1) | AT408847B (de) |
AU (1) | AU4031601A (de) |
CA (1) | CA2401792A1 (de) |
WO (1) | WO2001066265A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10341977B4 (de) * | 2003-09-08 | 2016-10-06 | Dürr Systems GmbH | Vorrichtung zum Abtrennen von Lack-Overspray, Anlage zum Lackieren von Werkstücken mit einer solchen Vorrichtung und Verfahren zum Abtrennen von Lack-Overspray |
US20050097869A1 (en) * | 2003-11-12 | 2005-05-12 | Chih-Chung Yu | Waste gas purification structure with circulated filtering and coating |
DE102007036553A1 (de) * | 2007-07-25 | 2009-02-05 | Eisenmann Anlagenbau Gmbh & Co. Kg | Vorrichtung zum Abscheiden von Lack-Overspray |
US20090288655A1 (en) * | 2008-05-20 | 2009-11-26 | Chiung-Yao Tsai | Grease filter assembly for |
DE102009058208A1 (de) * | 2009-12-15 | 2011-06-16 | Eisenmann Anlagenbau Gmbh & Co. Kg | Verfahren und Vorrichtung zum Abscheiden von Overspray sowie Anlage mit einer solchen |
DE102015009099A1 (de) * | 2015-07-17 | 2017-01-19 | Venjakob Maschinenbau Gmbh & Co. Kg | Vorrichtung zum Abscheiden von Overspray und Beschichtungsanlage mit der Vorrichtung |
CN112452617B (zh) * | 2020-11-27 | 2023-04-07 | 盐城中创环保科技有限公司 | 一种可处理废气的涂装设备 |
CN112742146A (zh) * | 2020-12-11 | 2021-05-04 | 魏超 | 一种公路施工用降尘装置及其使用方法 |
CN114453171B (zh) * | 2022-01-27 | 2023-02-24 | 苏州美迪斯医疗运动用品有限公司 | 一种绷带上乳胶清理回收结构及其回收方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH562639A5 (de) * | 1973-07-19 | 1975-06-13 | Gema Ag | |
US4153008A (en) * | 1977-04-07 | 1979-05-08 | Interrad Corporation | Moving filter system for air-powder separation in an electrostatic powder spray system |
DE2813854A1 (de) * | 1978-03-31 | 1979-10-11 | Interesco Int Res | Vorrichtung zum rueckgewinnen von pulver, insbesondere aus pulver-spruehkabinen |
US4888200A (en) * | 1988-04-21 | 1989-12-19 | W. R. Grace & Co.,-Conn. | Process and machine for electrostatic coating |
JPH0326370A (ja) * | 1989-06-26 | 1991-02-04 | Nordson Kk | 液体又は溶融体の塗布方法 |
DE8909616U1 (de) * | 1989-08-10 | 1989-09-21 | Kraemer, Erich, 8626 Michelau, De | |
US5171368A (en) * | 1991-07-02 | 1992-12-15 | Russell Mazakas | Filter belt assembly for a powder spray booth |
EP0728530B1 (de) * | 1995-02-24 | 2000-07-12 | EDER, Michael | Einrichtung zum Nasslack-Spritzlackieren von Gegenständen |
WO1997014508A1 (de) * | 1995-10-18 | 1997-04-24 | Michael Eder | Einrichtung zum transport fein verteilter, bei der oberflächenbehandlung von gegenständen anfallender medien |
-
2000
- 2000-03-08 AT AT0038400A patent/AT408847B/de not_active IP Right Cessation
-
2001
- 2001-03-06 AU AU40316/01A patent/AU4031601A/en not_active Abandoned
- 2001-03-06 JP JP2001564908A patent/JP2003529446A/ja active Pending
- 2001-03-06 WO PCT/AT2001/000062 patent/WO2001066265A1/de not_active Application Discontinuation
- 2001-03-06 EP EP01911231A patent/EP1268085A1/de not_active Withdrawn
- 2001-03-06 US US10/220,993 patent/US20030145565A1/en not_active Abandoned
- 2001-03-06 CA CA002401792A patent/CA2401792A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO0166265A1 * |
Also Published As
Publication number | Publication date |
---|---|
CA2401792A1 (en) | 2001-09-13 |
US20030145565A1 (en) | 2003-08-07 |
JP2003529446A (ja) | 2003-10-07 |
AT408847B (de) | 2002-03-25 |
AU4031601A (en) | 2001-09-17 |
ATA3842000A (de) | 2001-08-15 |
WO2001066265A1 (de) | 2001-09-13 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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17P | Request for examination filed |
Effective date: 20021007 |
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AK | Designated contracting states |
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AX | Request for extension of the european patent |
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RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: EDER, MICHAEL Owner name: BRAIN FLASH-PATENTENTWICKLUNGS GMBH |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: EDER, MICHAEL |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: BRAIN FLASH-PATENTENTWICKLUNGS GMBH |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20041001 |