EP1727623B2 - Procede de mise en peinture au moyen de vapeur d'eau - Google Patents

Procede de mise en peinture au moyen de vapeur d'eau Download PDF

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Publication number
EP1727623B2
EP1727623B2 EP05739556.8A EP05739556A EP1727623B2 EP 1727623 B2 EP1727623 B2 EP 1727623B2 EP 05739556 A EP05739556 A EP 05739556A EP 1727623 B2 EP1727623 B2 EP 1727623B2
Authority
EP
European Patent Office
Prior art keywords
coating material
coating
water
nozzle arrangement
water vapor
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
EP05739556.8A
Other languages
German (de)
English (en)
Other versions
EP1727623A2 (fr
EP1727623B1 (fr
Inventor
Gerhard Brendel
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.)
TGC TECHNOLOGIE- BETEILIGUNGSGESELLSCHAFT MBH
Original Assignee
TGC Technologie- Beteiligungsgesellschaft mbH
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Filing date
Publication date
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Application filed by TGC Technologie- Beteiligungsgesellschaft mbH filed Critical TGC Technologie- Beteiligungsgesellschaft mbH
Priority to PL05739556T priority Critical patent/PL1727623T5/pl
Publication of EP1727623A2 publication Critical patent/EP1727623A2/fr
Application granted granted Critical
Publication of EP1727623B1 publication Critical patent/EP1727623B1/fr
Publication of EP1727623B2 publication Critical patent/EP1727623B2/fr
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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
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B05B7/0441—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of liquid surrounded by an external conduit of gas upstream the mixing chamber
    • B05B7/0475—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of liquid surrounded by an external conduit of gas upstream the mixing chamber with means for deflecting the peripheral gas flow towards the central liquid flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/06—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane
    • B05B7/062—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet
    • B05B7/066—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet with an inner liquid outlet surrounded by at least one annular gas outlet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/16—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed
    • B05B7/1606—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed the spraying of the material involving the use of an atomising fluid, e.g. air

Definitions

  • the present invention relates to a method for coating substrates according to the preamble of claim 1.
  • a coating material based on an organic binder, an adhering to a substrate, protective and possibly decorative film, the so-called paint is produced.
  • a coating material contains, in addition to macromolecular or macromolecule-forming film formers, pigments, fillers, additives and / or solvents or dispersants.
  • Solvents here are to be understood as meaning all liquids or liquid mixtures which are capable of dissolving the film former or the film formers, such as, for example, As alcohols or water.
  • a dispersant means the liquids that do not solve the film former, but keep in fine, mikroheterogener distribution, such.
  • Such coating materials can be referred to as coatings, can be applied by a variety of methods on the objects or substrates to be coated. Examples include the dip coating, brushing or spraying.
  • the coating material to be applied to the substrate is atomized by various methods into a multiplicity of small droplets, which are then deposited uniformly on the substrate in order to then reassemble into a film.
  • a sputtering method for example, it is known to drive the coating material through a nozzle arrangement, wherein it is torn after leaving the nozzle into many small droplets.
  • the coating material itself is pressed under appropriate pressure through the nozzle assembly (hydraulically) or the coating material is atomized by means of compressed air or compressed air (pneumatic), wherein the compressed air exits together with the coating material from the nozzle assembly.
  • the present invention relates to the application of paints to substrates by spraying or spraying, wherein the coating material is atomized by a nozzle assembly, such as a paint spray gun.
  • the water vapor in the low pressure range of 0.5 to 2 bar, or used in the high pressure range of 2 to 10, in particular 4 to 8 bar become.
  • water vapor as an auxiliary gas for the pneumatic spraying of substantially solvent-free enamel, since these paints, which consist almost of 100% solids, the heated water vapor no cooling causes the molten paint during spraying or even can be dispensed with an additional heating or heating of the enamel for liquefaction.
  • a device for preventing water droplets in the water vapor is provided in the spray gun near the nozzle opening.
  • This can be formed by a heater.
  • the arrangement should be selected so that almost pure water vapor is available at the nozzle opening. Accordingly, the length of the heater or its power must be sized to achieve a sufficient increase in temperature. The same applies to the change in pressure.
  • the Fig. 1 shows in two schematic representations two different nozzle arrangements 1, which can be realized for example in a spray gun, to carry out the inventive method.
  • the nozzle assembly has an inner nozzle 2 and an outer nozzle 3, wherein the nozzle opening 4 of the inner nozzle 2 is disposed within the outer nozzle assembly 3 immediately in front of the nozzle opening 5 of the outer nozzle assembly 3.
  • the coating material transported in the inner nozzle arrangement 2 is mixed with the water vapor transported in the outer nozzle orifice 3 before the final leaving of the nozzle arrangement 1 through the nozzle opening 5 of the outer nozzle arrangement 3 with the water vapor (internal mixing).
  • the coating material located in the inner nozzle assembly 2 with only after leaving the nozzle assembly 1 with the water vapor, which has left the outer nozzle assembly 3 through the nozzle opening 5, mixed (external mixture).
  • the Fig. 2 shows in a purely schematic representation of a plant for coating substrates according to the present invention, wherein a spray gun 1 according to the nozzle arrangements of Fig. 1 is connected via a first supply line 6 with a first supply means 8 for providing and supplying the coating material to the spray gun 1, wherein via a pump 10, the coating material is conveyed in the supply line 6.
  • the spray gun 1 is further connected via a second supply line 7 to a second supply device 9, which comprises a steam generating device, generated by means of the steam required for the inventive method and can be conveyed to the spray gun 1.
  • a second supply device 9 which comprises a steam generating device, generated by means of the steam required for the inventive method and can be conveyed to the spray gun 1.
  • a booster or compression device such as a pump 11 may be provided in the second conduit 7 to bring the water vapor to the corresponding operating pressure range of 0.5 to 10 bar or 1 to 2 or 4 to 8 bar ,
  • the corresponding pressure increasing or compressing device 10 can also be integrated in the first supply means for the coating material or provided separately in the first supply line 6 (as shown).
  • the supply line is reduced in the vicinity of the discharge opening or nozzle opening 5 in cross section, so that even the smallest amounts of water droplets, which may have precipitated from the steam, are evaporated again and thus almost pure water vapor is available for the application of the coating material.
  • This is achieved by a conical region 13 in the supply line 7, which reduces the first cross section of the line 7 in the region 12 to a second cross section in the region 14.
  • Fig. 4 Another possibility is shown how the formation of water droplets in the water vapor can be counteracted.
  • an additional heating device 15 is provided immediately before or at the nozzle opening 5, by means of which the water vapor can be heated and overheated accordingly, so that all the water is present in water vapor form.
  • a heater 15 are all known devices, such as electrical resistance heaters with windings around the line 7 or cartridges with exothermic reactive materials or fuels for use in a free space of the spray gun in question.

Landscapes

  • Application Of Or Painting With Fluid Materials (AREA)
  • Nozzles (AREA)

Claims (3)

  1. Procédé pour revêtir des substrats avec au moins un matériau de revêtement qui comprend au moins un composant organique, le matériau de revêtement étant appliqué sur le substrat par pulvérisation et application au pistolet et le matériau de revêtement étant pulvérisé par de la vapeur d'eau, caractérisé en ce que le matériau de revêtement est une laque à base d'eau (laque à l'eau) ou une laque à faire fondre substantiellement sans solvants, qui est appliquée comme première couche (primer), couche de finition, matière de charge ou comme laque transparente, des métaux, des matières plastiques ou des matériaux à base de bois étant utilisés comme substrat.
  2. Procédé selon la revendication 1, caractérisé en ce que le matériau de revêtement est pulvérisé avec de la vapeur d'eau comme gaz auxiliaire en passant par un dispositif à buse, en particulier un pistolet de laquage, et est pulvérisé sur le substrat.
  3. Procédé selon l'une des revendications précédentes, caractérisé en ce que la vapeur d'eau sort d'un dispositif à buse avec le matériau de revêtement (mélange intérieur) ou à proximité (mélange extérieur), en particulier de manière concentrique par rapport au matériau de revêtement, la vapeur d'eau du dispositif à buse étant amenée avec une pression de 0,5 à 10 bar, en particulier de 0,5 à 1 bar ou de 4 à 8 bar.
EP05739556.8A 2004-03-16 2005-03-16 Procede de mise en peinture au moyen de vapeur d'eau Expired - Lifetime EP1727623B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05739556T PL1727623T5 (pl) 2004-03-16 2005-03-16 Sposób nakładania lakieru za pomocą pary wodnej

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004012889A DE102004012889A1 (de) 2004-03-16 2004-03-16 Wasserdampfunterstütztes Lackierverfahren
PCT/EP2005/002811 WO2005087387A2 (fr) 2004-03-16 2005-03-16 Procédé de mise en peinture au moyen de vapeur d'eau

Publications (3)

Publication Number Publication Date
EP1727623A2 EP1727623A2 (fr) 2006-12-06
EP1727623B1 EP1727623B1 (fr) 2011-06-22
EP1727623B2 true EP1727623B2 (fr) 2015-09-16

Family

ID=34966685

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05739556.8A Expired - Lifetime EP1727623B2 (fr) 2004-03-16 2005-03-16 Procede de mise en peinture au moyen de vapeur d'eau

Country Status (7)

Country Link
US (1) US20080014364A1 (fr)
EP (1) EP1727623B2 (fr)
AT (1) ATE513623T1 (fr)
DE (1) DE102004012889A1 (fr)
PL (1) PL1727623T5 (fr)
RU (1) RU2354561C2 (fr)
WO (1) WO2005087387A2 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005003802A1 (de) 2004-12-10 2006-06-14 Nütro Maschinen- und Anlagenbau GmbH & Co. KG Strahlungsgerät sowie Pulverauftragsstation und Anordnung zur Beschichtung von temperatursensiblen Materialien und Verfahren hierzu
DE102005029687B4 (de) * 2005-06-21 2007-05-31 Krautzberger Gmbh Spritzvorrichtung und Spritzkopf
DE102005029688B4 (de) * 2005-06-21 2014-02-20 Krautzberger Gmbh Spritzvorrichtung und Spritzkopf
DE102006032111A1 (de) * 2006-07-11 2008-01-24 Tgc Technologie-Beteiligungsgesellschaft Mbh Strahlungsgerät, Verfahren und Anordnung zur Pulverbeschichtung von Holzwerkstoffen
US20090226598A1 (en) * 2008-02-11 2009-09-10 Boston Scientific Scimed, Inc. Substrate Coating Apparatus Having a Solvent Vapor Emitter
US9186881B2 (en) * 2009-03-09 2015-11-17 Illinois Tool Works Inc. Thermally isolated liquid supply for web moistening
DE102010015497A1 (de) * 2010-04-16 2011-10-20 Dieter Wurz Außen mischende Mehrstoffdüse für minimalen inneren Wärmeübergang
CN103343925B (zh) * 2013-07-19 2015-08-26 深圳市华星光电技术有限公司 显示装置及其制造方法
DE102014100328A1 (de) * 2014-01-13 2015-07-16 Gerhard Brendel Lackiervorrichtung
EP3639991A1 (fr) * 2018-10-19 2020-04-22 Edgewell Personal Care Brands, LLC Lame de rasoir et son procédé de fabrication
CN110385207B (zh) * 2019-07-26 2021-02-19 中石化石油机械股份有限公司沙市钢管分公司 一种高粘度无溶剂内减阻涂料的喷涂装置及方法

Family Cites Families (18)

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Publication number Priority date Publication date Assignee Title
GB455408A (en) * 1934-12-14 1936-10-20 Georg Colmant Process for the conversion of bituminous substances or of bitumen and filler mixtures, in particular those having a high melting point, into protective coatings on constructions and the like by spraying
DE871439C (de) * 1942-06-13 1953-03-23 Rosenblads Patenter Ab Verfahren zum chemischen Reinigen von waermeuebertragenden Waenden in Waermeaustauschern u. dgl.
GB660233A (en) * 1948-06-11 1951-10-31 Du Pont Steam spraying
US2976392A (en) 1953-09-04 1961-03-21 Wabnitz Richard Fluid distributing apparatus
FR1153725A (fr) 1956-06-01 1958-03-20 Du Pont Procédé perfectionné de pulvérisation de compositions d'enduisage à l'aide de vapeur d'eau
US3764069A (en) * 1971-07-30 1973-10-09 Nordson Corp Method and apparatus for spraying
GB1483144A (en) * 1975-04-07 1977-08-17 British Petroleum Co Protective films
NL178487C (nl) * 1976-03-26 1986-04-01 Stamicarbon Inrichting en werkwijze voor het versproeien van een vloeistof.
US4132357A (en) * 1976-06-23 1979-01-02 Inmont Corporation Apparatus and method for spray application of solvent-thinned coating compositions
SU713593A1 (ru) * 1978-06-19 1980-02-05 Горьковский Автомобильный Завод Установка дл нагрева и распылени лакокрасочного материала
AU526104B2 (en) * 1978-09-08 1982-12-16 Geon Company, The Polymerization of vinyl chloride
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DE3716479A1 (de) 1987-05-16 1988-11-24 Elastogran Gmbh Verfahren zur herstellung von ueberzuegen aus polyurethan-einkomponenten-systemen und wasserdampf
US5916625A (en) * 1993-04-08 1999-06-29 Ppg Industries, Inc. Method and apparatus for spraying waterborne coatings under varying conditions
DE19654296A1 (de) * 1996-12-27 1998-07-02 Bollig & Kemper Gmbh & Co Kg Beschichtung für ein elektrisch leitfähiges Substrat
WO2000018514A1 (fr) * 1998-09-30 2000-04-06 Voith Sulzer Papiertechnik Patent Gmbh Procede et dispositif pour appliquer une substance liquide ou pateuse sur un substrat en mouvement
ATE328972T1 (de) 2000-10-16 2006-06-15 Akzo Nobel Coatings Int Bv Schmelzlack
US7148287B2 (en) * 2003-05-15 2006-12-12 Gupta Laxmi C Water curable polyurethane compositions with improved viscosity characteristics

Also Published As

Publication number Publication date
WO2005087387A2 (fr) 2005-09-22
RU2006136017A (ru) 2008-04-27
WO2005087387A3 (fr) 2005-10-27
US20080014364A1 (en) 2008-01-17
DE102004012889A1 (de) 2005-10-06
RU2354561C2 (ru) 2009-05-10
PL1727623T3 (pl) 2012-01-31
EP1727623A2 (fr) 2006-12-06
PL1727623T5 (pl) 2016-01-29
ATE513623T1 (de) 2011-07-15
EP1727623B1 (fr) 2011-06-22

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