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EP2145981B1 - Dispositif et procédé de pulverisation de liquide de décapage et/ou de lavage sur une bande métallique - Google Patents

Dispositif et procédé de pulverisation de liquide de décapage et/ou de lavage sur une bande métallique Download PDF

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Publication number
EP2145981B1
EP2145981B1 EP09009126.5A EP09009126A EP2145981B1 EP 2145981 B1 EP2145981 B1 EP 2145981B1 EP 09009126 A EP09009126 A EP 09009126A EP 2145981 B1 EP2145981 B1 EP 2145981B1
Authority
EP
European Patent Office
Prior art keywords
pipe
nozzle
pickling
nozzle pipe
feed pipe
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.)
Active
Application number
EP09009126.5A
Other languages
German (de)
English (en)
Other versions
EP2145981A2 (fr
EP2145981A3 (fr
Inventor
Peter Schüler
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 Group GmbH
Original Assignee
SMS Siemag 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 Siemag AG filed Critical SMS Siemag AG
Publication of EP2145981A2 publication Critical patent/EP2145981A2/fr
Publication of EP2145981A3 publication Critical patent/EP2145981A3/fr
Application granted granted Critical
Publication of EP2145981B1 publication Critical patent/EP2145981B1/fr
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Anticipated expiration legal-status Critical

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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
    • C23G3/023—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously 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
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/20—Perforated pipes or troughs, e.g. spray booms; Outlet elements therefor
    • 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
    • B08B3/022—Cleaning travelling work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/65—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits
    • B05B15/658—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits the spraying apparatus or its outlet axis being perpendicular to the flow conduit

Definitions

  • the invention relates to a device for spraying pickling and / or rinsing liquid on a metallic material to be treated, in particular steel strip or metal strip, with a nozzle tube in the wall on the treated material directed spray nozzles are integrated, wherein the nozzle tube has a closed end and an open end the latter, for supplying the pickling and / or rinsing liquid into the nozzle tube.
  • the invention also relates to a method of operating such a device.
  • the pickling medium in modern pickle containers is injected by means of nozzle tubes into a flat, liquid-filled channel through which the steel strip is drawn.
  • the nozzles are evenly distributed over the length of the pipe.
  • These nozzle tubes are e.g. known from the turbulence pickling.
  • the pickling medium is introduced into the pipe on one side and exits through nozzle openings which are regularly distributed over the width of the pickling tank. At the end the pipeline is closed. In principle, this causes a different distribution of the outflowing liquid. With the same geometry of the nozzles is located on the first in the flow flow nozzles the highest volume flow / pressure and the lowest volume flow / pressure at the last nozzles in the pipe. This is caused by the pressure drop occurring with increasing length of the pipe.
  • the EP 1 122 338 B1 relates to a device for spraying pickling or rinsing liquid on an elongated, metallic material to be treated, in particular metal strip, comprising in a pickling tank or the like above and / or below the transport plane of the material in the container walls arranged, formed with spray nozzles, connected to a liquid supply, outer cylindrical spray tubes, wherein the outer spray tube is arranged sealed on an inner tube which is formed with provided in the longitudinal distance of the spray nozzles of the outer spray tube in a row openings and aligned in situ with these openings pointing to the material to be treated and aligned with the spray nozzles of the outer spray tube is.
  • the outer spray tube is adjustable about its longitudinal axis, at least two spaced nozzle rows (I to IV) and the openings of the inner tube are formed as slots.
  • the EP 1 154 043 B1 relates to a plant for the surface treatment of a metal strand, in particular for pickling a steel strip, with a treatment channel formed for the longitudinally movable metal strand and with adjustable to the surface of Metallistranges spray nozzles, which are connected to a nozzle tube for the supply of the treatment liquid. It is provided that the specialistsshannal- formed by a Bodenausmautation and side walls cross-section at the top is limited by a float and that the spray nozzles each from a directed downwards on the metal strand, steep position to a formed between the metal strand and the float treatment channel at a sharp, shallow angle are adjustable with the injection direction against the direction of movement of the metal strand.
  • the invention has the object to improve or further develop the known devices and methods while maintaining the previous advantages in such a way that the disadvantages mentioned are avoided, in particular, a homogenization of the spray pattern should be achieved.
  • a feed tube in the region of the spray nozzles is arranged in the interior of the nozzle tube so that one of the two open ends of the feed tube is spaced from the closed end of the nozzle tube.
  • the main part of the pickling and rinsing medium supplied on one side into the feed tube can flow losslessly to the last injection nozzle, which is arranged in the region of the closed end of the nozzle tube.
  • the last injection nozzle which is arranged in the region of the closed end of the nozzle tube.
  • the feed tube At the other open end of the medium exits the feed tube and then bounces against the closed end of the nozzle tube, there to possibly also in a space between the feed tube and the nozzle tube to swirl.
  • In the entire gap then adjusts a pressure equalization. Due to the same or uniform pressure and the resulting uniform flow distribution in the intermediate space and thus at all spray nozzles, then a uniform spraying of the material to be treated over its entire width with the pickling and flushing medium is possible.
  • a desired uniform distribution of the medium can be achieved on the material to be treated.
  • the cross-sectional area of the outer nozzle tube is between 2.5 to 3.5 times the cross-sectional area of the inner feed tube.
  • the length of the inner feed tube ends at least before the last nozzle of the outer nozzle tube.
  • the object underlying the invention is achieved with respect to the method according to the invention that the pickling and / or rinsing liquid is introduced under pressure into the open end of the nozzle tube and at the same time in the open end of the inner feed tube facing away from the closed end of the nozzle tube; in that the portion of the pickling and / or rinsing liquid introduced into the inner feed tube flows through the feed tube with almost no pressure loss and then exits the other open end of the feed tube, bouncing and repelling the spaced closed end of the nozzle tube to fluidize in the region between the closed end of the nozzle tube and the facing open end of the feed tube and possibly also in a gap between the inner feed tube and the nozzle tube; and that the pressurized pickling and / or rinsing liquid is sprayed in the intermediate space via the spray nozzles to the outside of the nozzle tube to the treated material.
  • the device according to the invention is generally designated 10 and is used for spraying pickling and / or rinsing liquid on an elongated, metallic Material 12, in particular steel strip or metal strip. It is in the Fig. 1 a device according to the prior art and in the Fig. 2 a device 10 according to the invention shown.
  • the device 10 according to the invention is provided with a treatment channel, not shown separately for the longitudinally movable material 12 to be treated, for receiving residues of the pickling and rinsing liquid flowing off the material to be treated.
  • the device to the surface 13 of the material to be treated 12 directed, preferably adjustable spray nozzles 14 which are integrated into the wall of a nozzle tube 15.
  • the supply of pickling and / or rinsing liquid 11 is provided from one side of the nozzle tube 15.
  • the device 10 with one-sided supply of pickling and / or rinsing liquid 11 from an outer nozzle tube 16 with integrated therein spray nozzles 14 and an inner feed pipe 17, see the Fig. 2 the drawing.
  • the main part of the unilaterally supplied medium flows lossless through the inner feed pipe to the last nozzle opening. At the end of the feed tube 17, the medium emerges and there is a uniform flow distribution over the bandwidth of the material to be treated.
  • the cross-sectional area of the outer nozzle tube 16 corresponds to between 2.5 and 3.5 times the cross-sectional area of the inner feed tube 17.

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)

Claims (6)

  1. Dispositif (10) pour la projection d'un liquide de décapage et/ou de rinçage (11) sur un produit de traitement métallique (12), en particulier une bande d'acier ou une bande métallique, comprenant un tube éjecteur (15) dans la paroi duquel sont intégrées des buses de pulvérisation (14), dans lequel le tube éjecteur présente une extrémité fermée et une extrémité ouverte, la dernière citée étant destinée à acheminer le liquide de décapage et/ou de rinçage (11) dans le tube éjecteur (15), caractérisé par un tube d'amenée (17) qui est disposé dans la zone des buses de pulvérisation à l'intérieur du tube éjecteur, de telle sorte qu'une des deux extrémités ouvertes du tube d'amenée est située à l'opposé de l'extrémité fermée du tube éjecteur et à l'écart de celle-ci.
  2. Dispositif selon la revendication 1, caractérisé en ce que la surface en section transversale du tube éjecteur externe (16) représente entre 2,5 et 3,5 fois la surface en section transversale du tube d'amenée interne (17).
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que la longueur du tube d'amenée interne (17) se termine au moins avant la dernière buse de pulvérisation (14) du tube éjecteur externe (16).
  4. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le tube d'amenée interne est disposé en position coaxiale par rapport au tube éjecteur, à l'intérieur de ce dernier.
  5. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le tube d'amenée, à l'intérieur du tube éjecteur, est supporté uniquement de manière ponctuelle, par exemple via des entretoises radiales individuelles, contre le tube éjecteur, si bien que le liquide de décapage et/ou de rinçage peut se répartir et peut se répandre dans tout l'espace intermédiaire s'étendant entre le côté externe du tube d'amenée et le côté interne du tube éjecteur.
  6. Procédé pour la mise en service d'un dispositif selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le liquide de décapage et/ou de rinçage est introduit sous pression dans l'extrémité ouverte du tube éjecteur et de manière simultanée dans ladite première extrémité ouverte du tube d'amenée interne, qui se détourne de l'extrémité fermée du tube éjecteur ; en ce que la fraction du liquide de décapage et/ou de rinçage qui est introduite dans le tube d'amenée interne s'écoule à travers le tube d'amenée pratiquement sans perte de pression, pour ensuite ressortir par l'autre extrémité ouverte du tube d'amenée, heurter l'extrémité fermée espacée du tube éjecteur et pour entraîner par tourbillonnement dans la zone s'étendant entre l'extrémité fermée du tube éjecteur et l'autre extrémité ouverte orientée du tube d'amenée et éventuellement également dans un espace intermédiaire s'étendant entre le tube d'amenée interne et le tube éjecteur ; et en ce que le liquide de décapage et/ou de rinçage mis sous pression est pulvérisé dans l'espace intermédiaire via les buses de pulvérisation vers l'extérieur du tube éjecteur sur le produit de traitement.
EP09009126.5A 2008-07-12 2009-07-13 Dispositif et procédé de pulverisation de liquide de décapage et/ou de lavage sur une bande métallique Active EP2145981B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008032933A DE102008032933A1 (de) 2008-07-12 2008-07-12 Vorrichtung und Verfahren zum Aufspritzen von Beiz- und/oder Spülflüssigkeit auf ein metallisches Behandlungsgut

Publications (3)

Publication Number Publication Date
EP2145981A2 EP2145981A2 (fr) 2010-01-20
EP2145981A3 EP2145981A3 (fr) 2014-04-02
EP2145981B1 true EP2145981B1 (fr) 2015-06-10

Family

ID=41168699

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09009126.5A Active EP2145981B1 (fr) 2008-07-12 2009-07-13 Dispositif et procédé de pulverisation de liquide de décapage et/ou de lavage sur une bande métallique

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Country Link
EP (1) EP2145981B1 (fr)
DE (1) DE102008032933A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013104667A1 (de) * 2013-05-07 2014-11-27 Amazonen-Werke H. Dreyer Gmbh & Co. Kg Flüssigkeitsleitung mit zugeordnetem Düsenkörper
DE102013104670A1 (de) * 2013-05-07 2014-11-13 Amazonen-Werke H. Dreyer Gmbh & Co. Kg Flüssigkeitsleitung mit zugeordnetem Düsenkörper
CN111617893A (zh) * 2019-02-27 2020-09-04 湖南迪宏物联科技有限公司 旋转喷头组件、旋转喷头及喷淋系统
CN110592653B (zh) * 2019-09-03 2024-02-02 昆山东威科技股份有限公司 横喷结构及其应用的电解蚀刻装置
CN110965068B (zh) * 2019-11-11 2020-12-08 北京科技大学 一种宽幅钛带均匀酸洗的酸槽出酸口结构

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2627957A1 (de) * 1976-06-22 1978-01-05 Hammelmann Paul Maschf Mit duesen ausgeruestetes spritzrohr fuer presswasser zum reinigen von sieben, filtern, filztuechern, saugwalzen o.dgl.
BE1003788A5 (fr) * 1989-03-06 1992-06-16 Cockerill Sambre Sa Machine decalamineuse.
DE10003847A1 (de) 2000-01-31 2001-08-02 Sms Demag Ag Vorrichtung zum Aufspritzen von Beiz- oder Spülflüssigkeit auf ein metallisches Behandlungsgut
DE10021789A1 (de) 2000-05-10 2001-11-15 Sms Demag Ag Anlage für die Oberflächenbehandlung eines Metallstranges, insbesondere zum Beizen eines Stahlbandes

Also Published As

Publication number Publication date
EP2145981A2 (fr) 2010-01-20
EP2145981A3 (fr) 2014-04-02
DE102008032933A1 (de) 2010-01-14

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