WO2011160692A1 - Procédé et dispositif de décriquage de pièces chaudes et froides telles que des brames - Google Patents

Procédé et dispositif de décriquage de pièces chaudes et froides telles que des brames Download PDF

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Publication number
WO2011160692A1
WO2011160692A1 PCT/EP2010/058956 EP2010058956W WO2011160692A1 WO 2011160692 A1 WO2011160692 A1 WO 2011160692A1 EP 2010058956 W EP2010058956 W EP 2010058956W WO 2011160692 A1 WO2011160692 A1 WO 2011160692A1
Authority
WO
WIPO (PCT)
Prior art keywords
workpiece
scarfing
vertical
sides
flattened
Prior art date
Application number
PCT/EP2010/058956
Other languages
German (de)
English (en)
Inventor
Horst K. Lotz
Original Assignee
Gesellschaft Für Autogenmaschinen Und -Geräte Mbh
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 Gesellschaft Für Autogenmaschinen Und -Geräte Mbh filed Critical Gesellschaft Für Autogenmaschinen Und -Geräte Mbh
Priority to PCT/EP2010/058956 priority Critical patent/WO2011160692A1/fr
Publication of WO2011160692A1 publication Critical patent/WO2011160692A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K7/00—Cutting, scarfing, or desurfacing by applying flames
    • B23K7/06—Machines, apparatus, or equipment specially designed for scarfing or desurfacing

Definitions

  • the invention relates to a method and a device for scarfing of hot and cold Maschinenstü ⁇ bridges, such as slabs, steel in and after Strangg cordan ⁇ lay by flame burners.
  • Flammbrenner along the upper, lower and side surfaces of such a workpiece to be flaked be ⁇ moves to norm deviating microstructures and surface defects, such as cracks, burrs and
  • the work ⁇ piece is horizontally flat on one of its broad sides lying to the Flammbrennern and along the Flämmbren ⁇ ner performed.
  • a conventional scarfing device has horizontally aligned upper and possibly lower scarfing units, which are across the width and the
  • a Flämmvorgang is usually characterizedtientlei ⁇ tet that initially an edge or stripe on the workpiece surface is heated to Eisenzündtemperatur.
  • the width of the strip is normally equal to the width of the desired flame track.
  • Flämmsauerstoffström is then inflated on the preheated strip and there is a Relativbewe ⁇ tion between Flämmsauerstoffström and workpiece.
  • the object is achieved in that in a vertical flaming tower with a rigid vertical cal erected Flämmbrennerrahmen, the horizon ⁇ tal fed, on one of its long sides set vertically on all sides, the Flämmbrennerrahmen after firing the upper edges of the workpiece by means of flame burners, which are arranged on all four sides of the Flammbrennerrahmen, the simultaneous flaming at two opposite , that is on all four sides of the workpiece by adding Flämmsauerstoff begins and then transported at a ge strictlyl ⁇ th transport speed, the workpiece through the Flämmbrennerrahmen and flamed while the Flämmbad of molten steel and slag by gravity falls down, the workpiece before lying on a roller table with the scarf on one of his
  • Narrow sides are set up vertically, while horizontally through the drum by means of driver rollers
  • Flammbrennerrahmen out and after scrapping by means of a storage device on another roller table is again placed on one of its broadsides.
  • Flammenbrennerrahmen surrounds with it to ⁇ order Flammbrennern the to be flattened, horizontal
  • the workpiece erected on a long narrow side in the flaming tower and lying on the narrow side circumferentially.
  • the workpiece is scooped by the driver rollers through the scarfing frame at a selected transport speed during scarfing
  • the to flämmende workpiece such as a slab is brought to an already existing generally in a continuous casting roller to the Flämmmaschine, namely lying flat on one of its broad sides, such as it is transported ⁇ advantage of the continuous casting installation usually.
  • the workpiece is set up by the positioning device arranged at the roller table by 90 ° on one of its narrow sides, which then rests on the roller table.
  • the positioning device arranged at the roller table by 90 ° on one of its narrow sides, which then rests on the roller table.
  • Flammbrennerrahmen which encloses the workpiece on all sides.
  • the arranged on all four sides of the Flammbrennerrahmen Flammbrenner are directed to the respective workpiece surface ge ⁇ .
  • the heating of the front workpiece edges in the transport direction takes place by means of the flame burner in the flame burner frame. Then, it is carried out by addition of scarfing oxygen of Flämmvorgang by the workpiece transported by ei ⁇ ner chosen transport velocity through the Flämmbrennerrahmen therethrough and is flamed.
  • the Flämmbad from marmolze ⁇ nem steel and slag falls by gravity downward.
  • the molten steel and the Schla ⁇ bridge no longer settle on the workpiece and other surrounding equipment parts, settle and crust.
  • the flame burners in the flame burner frame scarf the workpiece at an angle of preferably about 30 ° to the vertical. This will be an optimal and economical
  • At least one, preferably the lower flame burner can be pivoted away from and back to the workpiece to be flattened before being heated.
  • the lower flame burner can be pivoted away from and back to the workpiece to be flattened before being heated.
  • dirt and slag when Anhei ⁇ zen zen and flaring the workpiece down. These would thus pollute the lower flame burner, stick and crust.
  • the flame burner is swiveled back to scald it.
  • Wegschwen ⁇ ken the flame burner considerable cleaning time and effort is saved, which are significant, since in the worst case for each individual workpiece before scarfing the affected flame burner time-, cost- and personnel-consuming would have to be cleaned.
  • the vertically erected on one of its Schmalsei ⁇ th workpiece during scarfing is held upright by the support rollers and against falling gesi ⁇ chert.
  • the object of the invention is also achieved by a device located in the transport direction of the work ⁇ piece roller table, on which the workpiece is to be flattened, with an erector for ⁇ Ask the workpiece perpendicular to one of his lan ⁇ conditions narrow sides and drive rollers for transporting of the workpiece to a vertical flaming tower with egg ⁇ nem rigid vertically erected Flämmbrennerrahmen arranged with a plurality on all four sides Neten Flammbrennern, which encloses the vertically erected and to be flattened workpiece on its long narrow ⁇ side, and at least one near the
  • Flammbrenner installed granulating nozzle for
  • Flammbrenner has. So on each side of the
  • the flame burner in the flame burner frame at an angle of preferably about 30 ° to the vertical ange ⁇ arranged and directed towards the workpiece to be flattened out.
  • the Flämmbrennerrahmen is rectangular and has a central opening for passing the workpiece to be flattened. If the plant to flämmende ⁇ piece placed on one of its long narrow sides perpendicular to the roller by means of the set-up device, the Flämmbrennerrahmen surrounds the workpiece with its formed by the frame opening.
  • Granulation of resulting molten steel and slag are provided transversely to the vertical.
  • a support device for maintaining the perpendicular to a long narrow side on ⁇ asked and to be flattened workpiece before and after the Flämmturm is arranged and preferably consists of Zwal zen.
  • the support rollers are arranged on the roller table and / or on the set-up or storage device, wherein the
  • Flämmturm closest support rollers ⁇ are pivotally ⁇ . These backup rollers are pivoted Wegge ⁇ when the workpiece is detected before and after the scarfing of the driver rollers and transported further.
  • a channel for draining the granulated slag and the granulating water can be provided in the working area of the device.
  • the workpiece to be flattened is fed via a roller table, for example a continuous casting machine.
  • a roller table for example a continuous casting machine.
  • Under the roller table is a with running water filled, lined with baffles channel, which leads from the cutting of the workpiece descending scale ⁇ .
  • the channel extends below the
  • the channel thus serves to collect and remove molten steel, slag and Granulierwasser and also at the same time for the extraction of flue gas.
  • 1 is a plan view of a device for scarfing workpieces
  • Fig. 2 is a partial side view of the device according to
  • Fig. 3 is a sectional view A-A of FIG. 1 rotated by 90 ° and
  • Fig. 4 is a sectional view B-B of FIG. 1 rotated by 90 °.
  • the device 1 shown in Figs. 1 to 4 is a Flämmmaschine to scarfing of hot and cold workpieces 2, such as slabs, made of steel in and after die casting machines ⁇ and has a rack-like vertical Flämmturm 3.
  • a rigid, vertical upright Flämmbrennerrahmen 4 arranged with a plurality of arranged on all four sides Flämmbrennern 5.
  • a Flammbrenner 5.1 for the vor ⁇ dere broadside a Flammbrenner 5.2 for the rear broadside, a Flämmbrenner 5.3 for the upper long narrow side and a Flammbrenner 5.4 are provided for the lower long narrow side, the latter is ⁇ pivotally formed by the workpiece 2.
  • NaEM ⁇ Lich the long narrow sides and the wide sides of the workpiece 2 a scarfing.
  • the Flammbrennerrahmen 4 is rectangular and has a central opening for passing the workpiece to be flattened 2.
  • Flammbrennerrahmen 4 are arranged at an angle of preference ⁇ example, about 30 ° to the vertical and directed towards the workpiece.
  • the workpiece to be flattened for example, a Bram ⁇ me, in the transport direction according to arrow X in Fig. 1 on a present in a continuous casting hori ⁇ zontalen roller 6.1 leads to the Flämmmaschine 1, flat lie ⁇ on one of its broads ⁇ Gend, as the workpiece 2 from the continuous casting plant üb ⁇ Lich wash transported.
  • the horizontal roller ⁇ gear 6.1 are associated with an opening device 7 and a verti ⁇ cal roller table 8.1, which has a plurality of support rollers 9.1, wherein the stacking tower 3 nearest support roller 9.1 is formed laterally wegschwenkbar. Prior to scarfing the workpiece 2 is erected as shown in FIGS.
  • Granulating water which is arranged below and / or next to the Flämmma- machine.
  • the Flämmbrennerrahmen 4 detects a subsequent further 10.2 those already geflämmten portion of the workpiece 2 and be ⁇ moved it further in the transport direction vertical by a motor on ⁇ operating 11.2 powered driver roller unit on one after ⁇ following additional horizontal roller path 6.2 with about ⁇ parent roller path 8.2 and a Ablagevor ⁇ direction 13.
  • the vertical roller path 8.2 comprises a plurality of support rollers 9.2, wherein the support roller 3 Flämmturm the closest is 9.2 formed laterally pivoted away. For further transport of the workpiece 2, this support roller 9.1 is laterally pivoted away and reapplied when the workpiece 2 has passed the driver roller unit 10.2.
  • the tray 13 is now inserted after completion of the scarfing operation, the geflämmte workpiece 2 back on ei ⁇ ne of its broad sides in the horizontal roller conveyor from 6.2 by this is brought back by 90 ° to its original position. Laterally on the flame burner frame 4 or on the flaming tower 3 are installed in the vicinity of the flame burner 5
  • Granulating nozzles 14 for Abgranul Schlieren emerging molten steel and slag arranged by means of water transversely to the vertical. So can two
  • Granulating nozzles 14.1 and 14.2 for the broad sides front and rear and two granulating nozzles 14.3 and 14.4 for the long narrow sides at the top and bottom of the workpiece 2 be provided, preferably the lower
  • Granulating nozzle 14.4 can be designed to be movable to create a larger work area.
  • the molten steel produced during the scarfing and the slag are granulated transversely to the vertical and blown out of the scarfing area into the channel by the granulating nozzles 14. For this ⁇ to the granulated slag and the granulating derived.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)

Abstract

L'invention concerne un dispositif (1) de décriquage de pièces chaudes et froides (2) telles que des brames en acier, à l'intérieur et en aval de dispositifs de coulée continue au moyen de chalumeaux de décriquage (5), comportant une ligne de rouleaux (6.1) située dans la direction de transport de la pièce (2), sur laquelle se trouve la pièce à décriquer. Un dispositif de mise à la verticale (7) met la pièce (2) à la verticale sur un des ses chants longitudinaux et des rouleaux de transport (10.1) transportent la pièce vers un cadre de chalumeaux de décriquage (4) comportant les chalumeaux de décriquage (5). Ledit cadre entoure la pièce à décriquer (2). D'autres rouleaux transporteurs (10.2) transportent la pièce (2) après décriquage vers un dispositif de dépôt consécutif (13) pour le dépôt de la pièce (2) sur un de ses côtés larges sur une autre ligne de rouleaux (6.2). Une buse de grenaillage (14) installée à proximité des chalumeaux de décriquage (5) sert à enlever par grenaillage de l'acier produit fondu et des scories, à l'horizontale.
PCT/EP2010/058956 2010-06-24 2010-06-24 Procédé et dispositif de décriquage de pièces chaudes et froides telles que des brames WO2011160692A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2010/058956 WO2011160692A1 (fr) 2010-06-24 2010-06-24 Procédé et dispositif de décriquage de pièces chaudes et froides telles que des brames

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2010/058956 WO2011160692A1 (fr) 2010-06-24 2010-06-24 Procédé et dispositif de décriquage de pièces chaudes et froides telles que des brames

Publications (1)

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WO2011160692A1 true WO2011160692A1 (fr) 2011-12-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/058956 WO2011160692A1 (fr) 2010-06-24 2010-06-24 Procédé et dispositif de décriquage de pièces chaudes et froides telles que des brames

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202012102639U1 (de) 2012-07-17 2012-08-06 Gega Lotz Gmbh Flämmmaschine zum Flämmen von warmen und kalten Werkstücken, wie Brammen, Blöcke und Knüppel aus Stahl
CN105107851A (zh) * 2015-09-02 2015-12-02 鞍钢集团工程技术有限公司 一种板坯火焰清理机用夹送辊装置
CN105345216A (zh) * 2015-12-11 2016-02-24 安徽马钢自动化信息技术有限公司 火焰清理辊道自动控制系统及其控制方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2555527A (en) * 1947-04-01 1951-06-05 Air Reduction Method of scarfing metal slabs
US2754234A (en) * 1953-03-18 1956-07-10 Union Carbide & Carbon Corp Thermochemical metal removal

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2555527A (en) * 1947-04-01 1951-06-05 Air Reduction Method of scarfing metal slabs
US2754234A (en) * 1953-03-18 1956-07-10 Union Carbide & Carbon Corp Thermochemical metal removal

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202012102639U1 (de) 2012-07-17 2012-08-06 Gega Lotz Gmbh Flämmmaschine zum Flämmen von warmen und kalten Werkstücken, wie Brammen, Blöcke und Knüppel aus Stahl
WO2014012922A1 (fr) 2012-07-17 2014-01-23 Gefam Gmbh Machine de décriquage au chalumeau destinée au décriquage au chalumeau de pièces chaudes et froides, telles que des brames, des lingots et des billettes en acier
US9782849B2 (en) 2012-07-17 2017-10-10 Gefam Gmbh Scarfing machine for scarfing hot and cold workpieces made of steel, such as slabs, blocks and billets
CN105107851A (zh) * 2015-09-02 2015-12-02 鞍钢集团工程技术有限公司 一种板坯火焰清理机用夹送辊装置
CN105345216A (zh) * 2015-12-11 2016-02-24 安徽马钢自动化信息技术有限公司 火焰清理辊道自动控制系统及其控制方法
CN105345216B (zh) * 2015-12-11 2017-06-20 安徽马钢自动化信息技术有限公司 火焰清理辊道自动控制系统及其控制方法

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