EP1299576B1 - Installation de traitement de surface de bandes passant de maniere continue a travers un recipient de traitement - Google Patents

Installation de traitement de surface de bandes passant de maniere continue a travers un recipient de traitement Download PDF

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Publication number
EP1299576B1
EP1299576B1 EP01955327A EP01955327A EP1299576B1 EP 1299576 B1 EP1299576 B1 EP 1299576B1 EP 01955327 A EP01955327 A EP 01955327A EP 01955327 A EP01955327 A EP 01955327A EP 1299576 B1 EP1299576 B1 EP 1299576B1
Authority
EP
European Patent Office
Prior art keywords
container
plant according
treatment
plant
strips
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
EP01955327A
Other languages
German (de)
English (en)
Other versions
EP1299576A1 (fr
Inventor
Stefan Volz
Peter Schüler
Anders Eklund
Olle Danielson
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.)
SMS Siemag AG
Original Assignee
SMS Demag AG
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 SMS Demag AG filed Critical SMS Demag AG
Publication of EP1299576A1 publication Critical patent/EP1299576A1/fr
Application granted granted Critical
Publication of EP1299576B1 publication Critical patent/EP1299576B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G3/00—Apparatus for cleaning or pickling metallic material
    • C23G3/02—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously
    • C23G3/021—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously by dipping

Definitions

  • the invention relates to a system for surface treatment of continuous continuous bands, in particular pickling, in which the band with a the treatment liquid fed, closed by a lid Tray goes through.
  • the surface of the strip Before further processing of rolled strips, the surface of the strip must be free from scale.
  • the scale is produced as so-called Secondary scale when passing through the hot strip finishing line, on the cooling roller table as well as partially in the coiler, where the tapes to Coils or coils are wound.
  • the tinder reaches a different Layer thickness and a different chemical education.
  • Acid pickling of this kind can consist of several flat, arranged consecutively arranged pickling tank or containers, with z. B. eighteen percent preheated hydrochloric acid can be operated. The ribbon is pulled or pushed through the pickling tank, wherein the Scale layer in the acid dissolves. The acid itself impoverishes during the Pickling process in their concentration, so that the continuous feed fresher Acid is required.
  • the treatment channel of this known pickling plant has in the bottom area arranged transversely to the strip running direction sliding or bysstechniksleitsteine, the support the band down. So also below the band between the Sliding and diesstechniksleitsteinen the desired turbulence arise are provided on the treatment channel side walls guide devices through the about the nozzle beam inflowing treatment medium approximately transversely is directed to the tape direction.
  • the circulation volume of the required treatment liquid is very big.
  • the floor slips used to support affect surface damaging to the tapes, which in particular is of great disadvantage in treated Siemensbändem.
  • the invention is therefore based on the object at a plant of the above mentioned type to achieve a further optimized degree of treatment, in particular with a view to stainless steel bands to be added.
  • a preferred embodiment of the invention provides that in the longitudinal direction the container extending treatment channel from the inlet side Diverging until about the center of the container and from there to the outlet side is formed mirror image.
  • This channel education lies the realization on the basis that originating from the rolling process edge ripples due the action of the squeezing rollers on the inlet and outlet side initially less pronounced before then over the length of the container again assume their original ripple.
  • the preferably asymmetrically divergent trained treatment channel, that is, the container bottom is more inclined in the longitudinal direction than the channel upwards There is a lid on the actual band optimized chambering. The thus achieved, extremely space-saving channel training brings a significant reduction in the required, umzurdicalzenden Treatment liquid with it.
  • the invention of the container longitudinal walls, the bottom and a is on the cover arranged intermediate body limited treatment channel in terms of its contour and in particular in its height accordingly formed the theoretical band profile as a function of the strip tension.
  • An embodiment of the invention provides one in addition to at least one container longitudinal wall trained drain chamber before. About this can in a simple way the required fluid exchange be made. If the Drain chamber advantageously also fluidly connected to the container is and has an overflow weir, the container can be with a operate defined filling level of the treatment liquid.
  • the slope sections of Bodens provided with wear plates, which are preferably made of polypropylene. Even with very wide bands, where the tape sag correspond is so large that the edges come to rest on the channel floor, acts However, this contact does not adversely affect the tape surface, and in particular in stainless steel bands, a gentle band pass is maintained.
  • This gentle band pass is further favored by the fact that advantageous the container longitudinal walls inside with - preferably made of polypropylene - Sliding strips are provided. These protect the tape, if this run, that is sideways should dodge.
  • Bands 1 shown in Figure 1 container 2 has a treatment channel 3, of the container longitudinal walls 4, one with a substantially horizontal middle section 5 and thereof to both longitudinal walls sloping slope sections 6a, 6b possessing bottom 7 and a lid 8 limited with attached intermediate cover or float 9 is.
  • the continuous band 1 assumes a maximum strip tension one in Figure 1 Schematically shown band diagram 1a and with minimal strip tension a band diagram 1b shown schematically by dashed lines, which of course for the respective load case on the bandwidth mirror image so. Within this range of strip tension max. and strip tension min. surrendered the recognizable s-shaped slack.
  • the height of the channel 3 is dimensioned that it satisfies this theoretical S-band progression, but beyond that if possible no additional space needed.
  • the channel 3 is not only taking into account the tape sag but also including rolling from the process inevitable originating edge ripples of the band 1.
  • Figure 3 are the Randwelltechniken 12 of the band 1 highlighted. These are due to the inlet and outlet side of each container 2 arranged pairs of squeezing rollers 13 less, that is, the wave height occurs initially lower and then takes in the direction of tape travel according to arrow 14 over the length of the container up to its center shown back to its original height.
  • the history the band is in the other half of the container 2, not shown this mirror image.
  • This one is by one patch lid 16 circumferentially closed due to a between the Bottom 7 of the container 2 and the longitudinal wall 4 existing distance 17th but fluidly connected to the treatment channel 3.
  • an overflow weir 18 arranged so that for the out of the Treatment channel 3 according to the arrows 19 in the drain chamber 15 effluent treatment liquid a desired level height is given. From the drain chamber 15, the treatment liquid flows via drain pipes 20 from.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Coating Apparatus (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Outside Dividers And Delivering Mechanisms For Harvesters (AREA)
  • Treatment Of Fiber Materials (AREA)
  • ing And Chemical Polishing (AREA)

Claims (12)

  1. Installation pour le traitement de surface de bandes passant en continu, en particulier une installation de décapage, dans laquelle la bande passe dans un récipient comportant un liquide de traitement, fermé par un couvercle, caractérisée en ce que le fond (7) du récipient (2) dans le sens transversal est réalisé en forme de cuve, présentant une section centrale (5) essentiellement horizontale et des sections inclinées (6a, 6b) descendant à partir de celle-ci des deux côtés.
  2. Installation selon la revendication 1, caractérisée en ce qu'un canal de traitement (3) s'étendant dans le sens longitudinal du récipient (2) est réalisé de manière divergente à partir du côté de l'entrée jusqu'environ le centre du récipient puis, à partir de là, de manière symétrique par rapport à un miroir jusqu'au côté de la sortie.
  3. Installation selon la revendication 2, caractérisée en ce que le canal de traitement (3) est réalisé de manière asymétriquement divergente.
  4. Installation selon la revendication 2 ou 3, caractérisée en ce que le canal de traitement (3) est délimité par les parois longitudinales (4) du récipient, le fond (7) et un corps intermédiaire (9) disposé sur le couvercle (8).
  5. Installation selon l'une quelconque des revendications 1 à 4, caractérisée par une chambre d'écoulement (15) formée à côté d'au moins une paroi longitudinale (4) du récipient.
  6. Installation selon la revendication 5, caractérisée en ce que la chambre d'écoulement (15) est raccordée, au niveau de la technique d'écoulement, au récipient (2) et présente un déversoir de trop-plein (18).
  7. Installation selon la revendication 5 ou 6, caractérisée en ce que la chambre d'écoulement (15) est fermée et pourvue d'au moins un tuyau d'écoulement (20) .
  8. Installation selon l'une quelconque des revendications 1 à 7, caractérisée en ce que les sections inclinées (6a, 6b) du fond (7) sont pourvues de plaques d'usure (10).
  9. Installation selon la revendication 8, caractérisée par des plaques d'usure (10) constituées de polypropylène.
  10. Installation selon l'une quelconque des revendications 1 à 9, caractérisée en ce qu'un décapage par pulvérisation (21) est disposé entre deux récipients (2/I ; 2/II) prévus dans le sens (14) d'avancement de la bande.
  11. Installation selon l'une quelconque des revendications 1 à 10, caractérisée en ce que les parois longitudinales (4) sont pourvues à l'intérieur de rebords de glissement (11).
  12. Installation selon la revendication 11, caractérisée par des rebords de glissement (11) constitués de polypropylène.
EP01955327A 2000-07-07 2001-07-03 Installation de traitement de surface de bandes passant de maniere continue a travers un recipient de traitement Expired - Lifetime EP1299576B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10032717A DE10032717A1 (de) 2000-07-07 2000-07-07 Anlage zur Oberflächenbehandlung von kontinuierlich einen Behandlungsbehälter durchlaufenden Bändern
DE10032717 2000-07-07
PCT/EP2001/007587 WO2002004708A1 (fr) 2000-07-07 2001-07-03 Installation de traitement de surface de bandes passant de maniere continue a travers un recipient de traitement

Publications (2)

Publication Number Publication Date
EP1299576A1 EP1299576A1 (fr) 2003-04-09
EP1299576B1 true EP1299576B1 (fr) 2004-04-14

Family

ID=7647914

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01955327A Expired - Lifetime EP1299576B1 (fr) 2000-07-07 2001-07-03 Installation de traitement de surface de bandes passant de maniere continue a travers un recipient de traitement

Country Status (10)

Country Link
US (1) US20040099292A1 (fr)
EP (1) EP1299576B1 (fr)
AT (1) ATE264411T1 (fr)
BR (1) BR0112248A (fr)
CA (1) CA2415255A1 (fr)
DE (2) DE10032717A1 (fr)
ES (1) ES2219548T3 (fr)
RU (1) RU2270278C2 (fr)
TR (1) TR200400864T4 (fr)
WO (1) WO2002004708A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT413220B (de) * 2002-11-29 2005-12-15 Voest Alpine Ind Anlagen Verfahren und vorrichtung zur, insbesondere kontinuierlichen, oberflächenbehandlung, insbesondere zur reinigung, eines metallbandes
US9267210B2 (en) * 2009-07-29 2016-02-23 Siemens Industry, Inc. Pickle line assembly with inclined expansion seal

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1393633A (en) * 1920-07-10 1921-10-11 James T Moltrup Method of and apparatus for pickling rods, pipes, and the like
GB281575A (en) * 1926-06-16 1927-11-16 William Ewart Watkins Process and apparatus for pickling and otherwise treating metal sheets
US2557764A (en) * 1947-03-06 1951-06-19 Henry A Roemer Method of coating strip steel with a protective metal coating
US2580371A (en) * 1948-08-04 1951-12-25 Youngstown Welding & Engineeri Method of and apparatus for pickling tubes
US2701546A (en) * 1951-03-31 1955-02-08 Youngstown Welding & Engineeri Galvanizer
US3048504A (en) * 1958-01-23 1962-08-07 Nat Steel Corp Method and apparatus for treating strip material
SE339157B (fr) * 1969-05-06 1971-09-27 Eskilstuna Plastbelaeggning
US3896828A (en) * 1973-10-23 1975-07-29 Interlake Inc Treatment of pickle liquor rinse water
DE3629894A1 (de) * 1986-08-29 1988-03-03 Mannesmann Ag Anlage zur oberflaechenbehandlung von kontinuierlich durchlaufenden baendern, insbesondere beizanlage
JPH01501875A (ja) * 1987-02-05 1989-06-29 マシーネンファブリック　アンドリッツ　アクチエンゲゼルシャフト 液体による金属ストリップの表面処理装置及び方法
US5060683A (en) * 1988-08-18 1991-10-29 Continental Installers Corporation Tension control for strip pickling
US5248372A (en) * 1992-09-08 1993-09-28 Production Machinery Corporation Apparatus for pickling a metal sheet material
US5566694A (en) * 1995-06-07 1996-10-22 Allegheny Plastics, Inc. Continuous pickling tank with expandable seals
US5958147A (en) * 1997-05-05 1999-09-28 Akzo Nobel N.V. Method of treating a metal

Also Published As

Publication number Publication date
ES2219548T3 (es) 2004-12-01
EP1299576A1 (fr) 2003-04-09
ATE264411T1 (de) 2004-04-15
US20040099292A1 (en) 2004-05-27
DE50101996D1 (de) 2004-05-19
CA2415255A1 (fr) 2003-01-06
WO2002004708A1 (fr) 2002-01-17
BR0112248A (pt) 2003-06-24
RU2270278C2 (ru) 2006-02-20
TR200400864T4 (tr) 2004-06-21
DE10032717A1 (de) 2002-01-17

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