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WO2009083634A1 - Procédé de nettoyage d'un boîtier de pulvérisation de poudre et boîtier de pulvérisation de poudre - Google Patents

Procédé de nettoyage d'un boîtier de pulvérisation de poudre et boîtier de pulvérisation de poudre Download PDF

Info

Publication number
WO2009083634A1
WO2009083634A1 PCT/FI2008/000146 FI2008000146W WO2009083634A1 WO 2009083634 A1 WO2009083634 A1 WO 2009083634A1 FI 2008000146 W FI2008000146 W FI 2008000146W WO 2009083634 A1 WO2009083634 A1 WO 2009083634A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
cleaning
air
water
hole
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.)
Ceased
Application number
PCT/FI2008/000146
Other languages
English (en)
Inventor
Ari Koski
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 WO2009083634A1 publication Critical patent/WO2009083634A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • 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
    • B05B14/41—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths by cleaning the walls of the booth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/024—Cleaning by means of spray elements moving over the surface to be cleaned
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Definitions

  • the invention relates to a method for cleaning the inner part of a powder coating housing whereupon water and air are used for cleaning the powder coating housing in order to implement the above mentioned method, which housing comprises even inner surfaces that are easy to keep clean, a bottom part that is arranged to direct the mass that has accumulated on the bottom to a collecting basin or to a collecting hole for example due to declivity, comprises a nozzle arrangement in order to spray powder to a housing room, comprises an open hole arrangement on the roof and fenestrated end surfaces that can be closed.
  • a powder coating housing which has a moveable spraying equipment of the colour powder and a moveable sucking equipment on its opposite side is known from the publication EP 0369484 Bl which both equipments can be taken away from the operating location of the housing whereupon the walls of the housing located at the operating location can be cleaned with the help of water showers.
  • a cleaning equipment of the powder coating housing is known from the publication GB 2298152 A which equipment comprises water spraying devices on the upper part of the housing in order to clean the inner walls of the housing and the hot air blowing devices in order to dry up the housing.
  • the cleaning process can be performed fast and automatically. It is characteristic of the method according to the invention that at the first stage of the cleaning air is blown to the inner surfaces of the housing with the help of a moveable blowing device, such as with a blowing frame that is equipped with nozzle holes and the loosened powder is collected to be stored by letting it drop to a collecting channel through a hole located on the bottom of the housing from where it is further sucked out; at the second stage of the cleaning water jets are directed to the inner surfaces of the housing with the help of the mentioned moveable frame and water and the wet mass is directed to another collecting channel through a hole located on the bottom of the housing which collecting channel is moved to the same location as the hole; and at the third stage of the cleaning process drying of the housing is performed by directing drying air to the housing through the moyeable blowing frame and it is sucked out from the housing through the collecting channel after which the blowing frame is taken out from the housing.
  • a moveable blowing device such as with a blowing frame that is equipped with
  • the blowing frame equipped with nozzle holes belongs to the cleaning device of the housing which blowing frame is moveable in the housing in direction of the conveyor and an arrangement belongs to the nozzle frame for spraying air and water through its nozzles to the inner surfaces of the housing, further slanted surface belongs to the cleaning device which surface is arranged to the bottom part of the housing the meaning of which surface is to direct the loose mass existing on the bottom part to the collecting valve through a hole located on the bottom of the housing and an arrangement for moving the collecting valve, like for shifting the valve with each other to the location of the hole or an arrangement belongs to the system in order to direct the mass accumulated in the toggle in such a way that dry mass containing powder can be directed to a different target than the mass containing water.
  • the advantage of the invention is the fact that the cleaning equipment is totally separate in relation to the housing and that the equipment does not cause any forms onto the inner surfaces of the housing that might disturb the cleaning of these surfaces.
  • showers which can be created with the cleaning devices, can he directed very close to the surfaces to be cleaned with the help of a blowing frame according to the invention whereupon the cleaning effect becomes essentially more effective in relation to the previous solutions.
  • the colour powder that becomes loose duriag the cleaning can be collected when it is dry whereupon it is easy to return to be recycled.
  • the wet colour powder mass that became loose during the wet cleaning of the housing can be collected separately with the help of a separate collecting arrangement and it does not get mixed with the dry colour powder that became loose earlier.
  • Pigure 1 shows a powder coating housing according to the invention seen as a diagonal view.
  • Figure 2 shows a powder coating housing of the figure 1 as a profile seen from the top.
  • a powder coating housing 1 in the figure 1 that comprises side walls, fenestrated ends 11 equipped with doors 10, a roof equipped with an open hole 13 and a slanted bottom 17 that leads to a longitudinal bottom hole 5.
  • the side walls have holes 19 through which the colour powder is sprayed during the painting process through the nozzles 20 to the pieces existing in the housing 1.
  • the pieces to be painted are hung through the housing 1 them being supported by the conveyer 18.
  • the doors 10 are then kept open.
  • the cleaning of the inner surfaces 14 associated with the changing of the colour powder is made in three stages whereupon at the first stage the doors 10 are closed and air showers are blown through the blowing frame 2 through the nozzles 3 onto the surfaces that exist at their location.
  • Compressed-air feeding is joined to the blowing frame 2 and the mentioned frame is moved in the longitudinal direction of the housing whereupon the side walls become clean due to air showers.
  • the blowing frame 2 is turned in such a way, most advantageously half a round whereupon the inner surfaces of the end walls 11 become clean.
  • the blowing frame 2 is supported through a hole 13 of the roof of the housing and it is moved directed also by these support devices.
  • the nozzles 20 can be drawn away from the holes 19 and the holes 19 can be closed for example with the help of moveable closing gates (not shown).
  • the channel 8 is changed to be the collecting channel underneath the housing 1 by moving the collecting basin 6 in such a way that that the channel 8 will be under the hole 5.
  • the blowing frame 2 has a parallel pipe system and the pipe system has nozzles for water or the water is sprayed with the air showers by using the same pipe system and the same nozzles 3.
  • the blowing frame 2 is moved like during air blowing.
  • the water that has accumulated to the bottom part of the channel 8 can be pumped away from there and can be directed for example filtered with the help of a filter to be recycled. Air is sucked out simultaneously from the housing 1 through a channel 8.
  • the drying air is blown to the inner surfaces with the help of the blowing frame 2.
  • the drying air is air that has or has not been warmed up.
  • the collecting channel is still the channel 8 through which air can be sucked away from the housing.
  • the crosscut of the housing 1 and the support of the blowing frame 2 that is shown diagrammatic can be seen.
  • the blowing frame 2 is moved in a direction of the housing 1 by moving a boom 15.
  • the boom 15 is moveable in such a way that the blowing frame 2 can be removed from the housing.
  • Turning of the blowing frame 2 half a round can be made with the help of a cylinder 16, If the same pipe system of the blowing frame 2 is used to spray air and water, the valves 20 and 21 are attached to the feed line whereupon the agent to be blown can be changed, when needed.
  • An alternative to the valve arrangement 7, 8 can be one channel only at the location of the hole 5 and an exchange valve at the end of the channel or a branch-T with valves at it whereupon the dry air and the powder removed from the housing can be directed to a different line than the wet powder and the drying air.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)

Abstract

La présente invention concerne un procédé de nettoyage de la partie intérieure d'un boîtier de pulvérisation de poudre (1), de l'air et de l'eau étant utilisés pour le nettoyage. Dans la première étape de nettoyage, de l'air est soufflé sur les surfaces intérieures du boîtier à l'aide d'un dispositif de soufflage mobile, tel qu'un cadre de soufflage (2) équipé d'un orifice de buse (3), la poudre libérée étant collectée pour être stockée, en la laissant tomber à travers un orifice (5) situé sur le fond du boîtier jusqu'à un canal de collecte (7) d'où elle est ensuite aspirée. Dans la deuxième étape de nettoyage, des jets d'eau de nettoyage sont dirigés sur les surfaces intérieures du boîtier (1) à l'aide du cadre mobile (2) précité et à travers l'orifice (5) situé sur le fond du boîtier, de l'eau et une masse humide étant dirigées vers un autre canal de collecte (8) qui se déplace jusqu'à l'emplacement dudit orifice (5). Puis dans la troisième étape de nettoyage, le séchage du boîtier s'effectue par orientation de l'air de séchage vers le boîtier via le cadre de soufflage mobile (2), l'air étant ensuite aspiré par le boîtier via un canal de collecte (8) et le cadre de soufflage (2) étant retiré du boîtier.
PCT/FI2008/000146 2007-12-27 2008-12-23 Procédé de nettoyage d'un boîtier de pulvérisation de poudre et boîtier de pulvérisation de poudre Ceased WO2009083634A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20071017 2007-12-27
FI20071017A FI120576B (fi) 2007-12-27 2007-12-27 Menetelmä jauhemaalauskaapin puhdistamiseksi ja jauhemaalauskaappi

Publications (1)

Publication Number Publication Date
WO2009083634A1 true WO2009083634A1 (fr) 2009-07-09

Family

ID=38951546

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI2008/000146 Ceased WO2009083634A1 (fr) 2007-12-27 2008-12-23 Procédé de nettoyage d'un boîtier de pulvérisation de poudre et boîtier de pulvérisation de poudre

Country Status (2)

Country Link
FI (1) FI120576B (fr)
WO (1) WO2009083634A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101972726A (zh) * 2010-10-21 2011-02-16 中煤邯郸煤矿机械有限责任公司 液压缸表面抛丸喷漆烘干系统及其抛丸喷漆烘干工艺
RU2572540C1 (ru) * 2014-06-16 2016-01-20 Закрытое акционерное общество "Системы водоочистки" Способ очистки дна бака от осадка и устройство для его реализации
GB2546828A (en) * 2016-01-26 2017-08-02 Piotr Potocki A spray booth
CN109569934A (zh) * 2018-11-14 2019-04-05 江苏长虹智能装备股份有限公司 一种干式喷漆室
EP4019153A1 (fr) * 2020-12-22 2022-06-29 Tetra Laval Holdings & Finance S.A. Buse à jet pour appareil de manipulation de poudre
JP2023018257A (ja) * 2021-07-27 2023-02-08 株式会社カワタ エアパージノズル、粉粒体処理装置およびエアパージ方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4715314A (en) * 1985-04-30 1987-12-29 H. U. Ramseier Electrostatic powder coating installation
JPH07116570A (ja) * 1993-10-20 1995-05-09 Matsuo Sangyo Kk 粉体塗装ブース清掃装置
US5680670A (en) * 1995-02-15 1997-10-28 Wagner International Ag Cleaning device for a powder coating compartment
JPH10272389A (ja) * 1997-04-01 1998-10-13 Murakami Kogyo Kk 静電粉体塗装における塗料替え方法及び装置
US5882404A (en) * 1995-02-25 1999-03-16 Gummer; Edward Christopher Powder coating apparatus
WO2002060596A1 (fr) * 2001-01-31 2002-08-08 Nordson Corporation Appareil et procede de nettoyage automatique pour une cabine de pistolage de matiere pulverulente
US20050115587A1 (en) * 2001-07-26 2005-06-02 J. Wagner Ag Cleaning device of a powder coating booth

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4715314A (en) * 1985-04-30 1987-12-29 H. U. Ramseier Electrostatic powder coating installation
JPH07116570A (ja) * 1993-10-20 1995-05-09 Matsuo Sangyo Kk 粉体塗装ブース清掃装置
US5680670A (en) * 1995-02-15 1997-10-28 Wagner International Ag Cleaning device for a powder coating compartment
US5882404A (en) * 1995-02-25 1999-03-16 Gummer; Edward Christopher Powder coating apparatus
JPH10272389A (ja) * 1997-04-01 1998-10-13 Murakami Kogyo Kk 静電粉体塗装における塗料替え方法及び装置
WO2002060596A1 (fr) * 2001-01-31 2002-08-08 Nordson Corporation Appareil et procede de nettoyage automatique pour une cabine de pistolage de matiere pulverulente
US20050115587A1 (en) * 2001-07-26 2005-06-02 J. Wagner Ag Cleaning device of a powder coating booth

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101972726A (zh) * 2010-10-21 2011-02-16 中煤邯郸煤矿机械有限责任公司 液压缸表面抛丸喷漆烘干系统及其抛丸喷漆烘干工艺
RU2572540C1 (ru) * 2014-06-16 2016-01-20 Закрытое акционерное общество "Системы водоочистки" Способ очистки дна бака от осадка и устройство для его реализации
GB2546828A (en) * 2016-01-26 2017-08-02 Piotr Potocki A spray booth
GB2546828B (en) * 2016-01-26 2021-04-07 Piotr Potocki A spray booth
CN109569934A (zh) * 2018-11-14 2019-04-05 江苏长虹智能装备股份有限公司 一种干式喷漆室
CN109569934B (zh) * 2018-11-14 2020-06-23 江苏长虹智能装备股份有限公司 一种干式喷漆室
EP4019153A1 (fr) * 2020-12-22 2022-06-29 Tetra Laval Holdings & Finance S.A. Buse à jet pour appareil de manipulation de poudre
WO2022136240A1 (fr) * 2020-12-22 2022-06-30 Tetra Laval Holdings & Finance S.A. Buse à jet pour appareil de manipulation de poudre
JP2023018257A (ja) * 2021-07-27 2023-02-08 株式会社カワタ エアパージノズル、粉粒体処理装置およびエアパージ方法
JP7694944B2 (ja) 2021-07-27 2025-06-18 株式会社カワタ エアパージノズル、粉粒体処理装置およびエアパージ方法

Also Published As

Publication number Publication date
FI20071017A0 (fi) 2007-12-27
FI120576B (fi) 2009-12-15
FI20071017L (fi) 2009-06-28

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