EP1893462B1 - Verfahren zur korrosionsschutzbehandlung von hohlkörpern, verfahren zur herstellung einer gemäss dem verfahren behandelten metallischen struktur und verfahren zum aufrechterhalten der struktur - Google Patents

Verfahren zur korrosionsschutzbehandlung von hohlkörpern, verfahren zur herstellung einer gemäss dem verfahren behandelten metallischen struktur und verfahren zum aufrechterhalten der struktur Download PDF

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Publication number
EP1893462B1
EP1893462B1 EP06764750A EP06764750A EP1893462B1 EP 1893462 B1 EP1893462 B1 EP 1893462B1 EP 06764750 A EP06764750 A EP 06764750A EP 06764750 A EP06764750 A EP 06764750A EP 1893462 B1 EP1893462 B1 EP 1893462B1
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EP
European Patent Office
Prior art keywords
foam
cellular foam
corrosion
cellular
replaced
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.)
Not-in-force
Application number
EP06764750A
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English (en)
French (fr)
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EP1893462A1 (de
Inventor
Thierry Guenard
Jean-Claude Boulanger
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.)
SNCF Mobilites
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SNCF Mobilites
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Publication date
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Publication of EP1893462A1 publication Critical patent/EP1893462A1/de
Application granted granted Critical
Publication of EP1893462B1 publication Critical patent/EP1893462B1/de
Not-in-force 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
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D17/00—Construction details of vehicle bodies
    • B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
    • B61D17/18—Internal lining, e.g. insulating
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C23F11/18—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using inorganic inhibitors
    • C23F11/187—Mixtures of inorganic inhibitors
    • C23F11/188—Mixtures of inorganic inhibitors containing phosphates

Definitions

  • the invention relates to protective treatment methods for hollow bodies or hollow metal structures against corrosion.
  • the metal structures in question here are large structures with difficult-to-access surfaces for depositing an anti-corrosion paint by brush or spray. They are hollow to reduce the weight.
  • the invention relates to a maintenance method according to claim 1.
  • a mixture of a first expansion component of a second anti-corrosion agent support component is injected to produce the anti-corrosion foam and flame retardant or thermal insulation.
  • a structure 1 liable to be subjected to corrosive attack either by the ambient air or by the water, in particular when cleaning with detergents, comprises sheet blanks 2, 3, or more, assembled by metal cleats 4, serving as spacers.
  • the cleats 4 are hollow and have surfaces 5 which must be completely guaranteed of any corrosion but are difficult to access by brush or spray gun required for the deposition of a primary paint.
  • component A transports the additional agents supported by the foam on all parts of the surfaces 5, even those that are out of sight, and guarantees their complete protection.
  • Foamed foam A thus expanded remains in place after application to cover all surfaces, which waterproofs the structure 1 and contributes to its anti-corrosion protection. If necessary, it is possible to integrate an impervious elastic agent into the cellular foam A.
  • a two-component mineral product is preferred, which is composed of either an ablative silicone, which is converted into energy-consuming, and intumescent, with formation of thermal insulating foam, or components minerals and usually two bases, for example a zinc phosphate and a limestone, such as calcium carbonate.
  • ablative silicone which is converted into energy-consuming, and intumescent
  • thermal insulating foam or components minerals and usually two bases, for example a zinc phosphate and a limestone, such as calcium carbonate.
  • compositions proposed in document WO 97/19033 A1 forming a non-flammable, adhesive inorganic resin layer, applied to the surface covering to be protected, for use with an expansion component set in sufficient proportion to provide foamed expanded foam capable of being expanded in proportions commensurate with the intended purpose herein .
  • the minerals used are composed mainly of combinations of phosphates and calcium carbonates, especially plasticizers such as dibutyl phthalate, dioctyl, cyclohexyl, or dimethylglucol, or such as benzyl benzoate, castor oil, ricinoleate glycerol or methyl, octyl adipate, heptanoate or pentaerythritol butyrate or dipropylene glycol, or glycerol or dipropylene glycol butyrate, camphor.
  • plasticizers such as dibutyl phthalate, dioctyl, cyclohexyl, or dimethylglucol, or such as benzyl benzoate, castor oil, ricinoleate glycerol or methyl, octyl adipate, heptanoate or pentaerythritol butyrate or dipropylene glycol, or glycerol or di
  • plasticizers which are also flame retardant, it is possible to choose from tricresyl phosphate, triphenyl phosphate or trichloroethyl phosphate.
  • a filler such as hemp or other inexpensive components may be added.
  • the quantity of product necessary, and therefore its cost, is reduced accordingly.
  • pistol and products A and B make it possible to realize much better price a metal structure only by implementation of the assembly steps of the structure 1, 2, 3, 4, and then treatment of the anti-corrosion protection of surfaces 5 difficult to access.
  • the example of structure 10 of the figure 2 here comprises a wooden floor 11 and a metal frame 12 in the image of the structure of the figure 1 . It comprises metal sheets 13 and 20 assembled by lateral cleats 15 (but they could as well be transverse).
  • the sheet 20 is perforated and has functional orifices 21 for various fasteners to be used later. It is stiffened by a reinforcing profile 14, 17 integral with the sheet 13.
  • the cleats comprise here openings 16 and the reinforcement profile 14, 17, openings 19 to facilitate the injection operations of the foam A in a hollow body 18 having difficult to access surfaces to protect.
  • the deteriorated portion 23 of the torch portion 22 may be cut without having to disassemble the wooden floor portions 11, or any flammable element located nearby, or seats, carpet resting on this floor.
  • the cellular foam A expanded in the hollow body 18 to protect it is interposed between the part 23 to be replaced and the floor 11, and, separating it from the part 23, insulates it thermally and protects it from the fire.
  • the part 23 can be replaced by welding without dismounting the flammable element 11.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Building Environments (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Laminated Bodies (AREA)
  • Body Structure For Vehicles (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Claims (7)

  1. Verfahren zum Instandhalten einer Metallstruktur (12) von Eisenbahnwaggons, die ein brennbares Element aufweist, das sich in der Nähe der Struktur (12) befindet oder auf ihr aufliegt, durch Austauschen eines Teils (23) der Struktur (12), wobei die Struktur ferner mindestens einen Hohlkörper (18) und das auszutauschende Teil (23) aufweist,
    wobei das Verfahren Folgendes umfasst:
    - mindestens einen Schritt des Einspritzens eines zelligen Schaums als Träger eines Korrosionsschutzmittels und eines Flammschutzmittels oder eines Wärmedämmstoffs (3) in den Hohlkörper, wobei der zellige Schaum eine nicht brennbare Hitzebarriere (11) für das auszutauschende Teil (23) der Struktur ist, und
    - einen Schritt zum direkten Austauschen des Strukturteils (23) ohne vorherige Demontage des brennbaren Elements (11), wobei das Strukturteil (23) mit dem Brenner abgetrennt wird und durch ein anderes Teil ausgetauscht wird, das an die Struktur (12) angeschweißt wird.
  2. Verfahren zum Instandhalten nach Anspruch 1, wobei der zellige Korrosionsschutzschaum durch Einspritzen eines Gemischs aus einem ersten Bestandteil (B) zum Aufschäumen eines zweiten Bestandteils (A) als Träger des Korrosionsschutzmittels hergestellt wird.
  3. Verfahren nach einem der Ansprüche 1 und 2, wobei der zellige Schaum (A) Haftpigmente aufweist.
  4. Verfahren nach einem der Ansprüche 1 bis 3, wobei der zellige Schaum (A) einen Schalldämmstoff trägt.
  5. Verfahren nach einem der Ansprüche 1 bis 4, wobei der zellige Schaum (A) ein undurchlässiges elastisches Mittel trägt.
  6. Verfahren nach einem der Ansprüche 1 bis 5, wobei der zellige Schaum 5 (A) einen Füllstoff aufweist.
  7. Verfahren nach Anspruch 6, wobei der Füllstoff Hanf ist.
EP06764750A 2005-06-09 2006-06-08 Verfahren zur korrosionsschutzbehandlung von hohlkörpern, verfahren zur herstellung einer gemäss dem verfahren behandelten metallischen struktur und verfahren zum aufrechterhalten der struktur Not-in-force EP1893462B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0505848A FR2886947B1 (fr) 2005-06-09 2005-06-09 Procede de traitement anti-corrosion des corps creux, procede de realisation d'une structure metallique traitee selon le procede et procede de maintenance de la structure
PCT/FR2006/001298 WO2006131650A1 (fr) 2005-06-09 2006-06-08 Procédé de traitement anti-corrosion des corps creux, procédé de réalisation d'une structure métallique traitée selon le procédé et procédé de maintenance de la structure

Publications (2)

Publication Number Publication Date
EP1893462A1 EP1893462A1 (de) 2008-03-05
EP1893462B1 true EP1893462B1 (de) 2012-10-10

Family

ID=35709092

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06764750A Not-in-force EP1893462B1 (de) 2005-06-09 2006-06-08 Verfahren zur korrosionsschutzbehandlung von hohlkörpern, verfahren zur herstellung einer gemäss dem verfahren behandelten metallischen struktur und verfahren zum aufrechterhalten der struktur

Country Status (10)

Country Link
US (1) US8252371B2 (de)
EP (1) EP1893462B1 (de)
JP (1) JP4903198B2 (de)
KR (1) KR101272734B1 (de)
CN (1) CN101223068B (de)
BR (1) BRPI0611723A2 (de)
ES (1) ES2394485T3 (de)
FR (1) FR2886947B1 (de)
MA (1) MA29611B1 (de)
WO (1) WO2006131650A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2528695C1 (ru) * 2013-06-11 2014-09-20 Общество с ограниченной ответственностью "Новые углеволоконные материалы" Бестраншейный способ нанесения изоляции на внутреннюю поверхность трубопровода
CN103604023B (zh) * 2013-10-17 2017-01-18 中国石油化工股份有限公司青岛安全工程研究院 管道内部防腐方法
RU2770873C1 (ru) * 2021-07-23 2022-04-22 Общество с ограниченной ответственностью "Всесоюзный научно-исследовательский центр транспортных технологий" (ООО "ВНИЦТТ") Способ формирования защитного покрытия кузова железнодорожного вагона

Citations (1)

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Publication number Priority date Publication date Assignee Title
WO1997019033A1 (en) * 1995-11-17 1997-05-29 Vrije Universiteit Brussel Inorganic resin compositions, their preparation and use thereof

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US3359351A (en) * 1965-10-18 1967-12-19 Richard B Bender Method of applying insulation coating for pipe
JPS58119381A (ja) * 1982-01-08 1983-07-15 Mitui Toatsu Chem Inc 自動車アンダ−ボデイの被覆方法
JPS6234965A (ja) * 1985-08-06 1987-02-14 Toyota Motor Corp 防錆剤の塗布方法
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Also Published As

Publication number Publication date
US8252371B2 (en) 2012-08-28
FR2886947B1 (fr) 2007-10-12
CN101223068B (zh) 2011-06-15
EP1893462A1 (de) 2008-03-05
US20080199608A1 (en) 2008-08-21
FR2886947A1 (fr) 2006-12-15
WO2006131650A1 (fr) 2006-12-14
BRPI0611723A2 (pt) 2012-08-28
KR101272734B1 (ko) 2013-06-10
MA29611B1 (fr) 2008-07-01
JP4903198B2 (ja) 2012-03-28
JP2008542551A (ja) 2008-11-27
KR20080038122A (ko) 2008-05-02
CN101223068A (zh) 2008-07-16
ES2394485T3 (es) 2013-02-01

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