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EP1381817B1 - Element de refroidissement destine au refroidissement d'un four metallurgique - Google Patents

Element de refroidissement destine au refroidissement d'un four metallurgique Download PDF

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Publication number
EP1381817B1
EP1381817B1 EP02724254A EP02724254A EP1381817B1 EP 1381817 B1 EP1381817 B1 EP 1381817B1 EP 02724254 A EP02724254 A EP 02724254A EP 02724254 A EP02724254 A EP 02724254A EP 1381817 B1 EP1381817 B1 EP 1381817B1
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EP
European Patent Office
Prior art keywords
cooling
furnace
cooling element
plate
coolant
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
EP02724254A
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German (de)
English (en)
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EP1381817A1 (fr
Inventor
Peter Heinrich
Luciano Ambrosi
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.)
Paul Wurth SA
Original Assignee
SMS Demag AG
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Publication date
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Publication of EP1381817A1 publication Critical patent/EP1381817A1/fr
Application granted granted Critical
Publication of EP1381817B1 publication Critical patent/EP1381817B1/fr
Anticipated expiration legal-status Critical
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/10—Cooling; Devices therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces
    • F27B3/10—Details, accessories or equipment, e.g. dust-collectors, specially adapted for hearth-type furnaces
    • F27B3/24—Cooling arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/12—Casings; Linings; Walls; Roofs incorporating cooling arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D9/00—Cooling of furnaces or of charges therein
    • F27D2009/0002—Cooling of furnaces
    • F27D2009/0051—Cooling of furnaces comprising use of studs to transfer heat or retain the liner
    • F27D2009/0054—Cooling of furnaces comprising use of studs to transfer heat or retain the liner adapted to retain formed bricks

Definitions

  • the invention relates to a cooling element for cooling a metallurgical furnace, in particular the slag and / or the metal zone of this furnace, wherein the Oven armor of the furnace on its side facing the furnace interior with Refractory material is delivered, and the cooling element with a coolant flowed through cooling part, which has a coolant inlet and outlet, as well as a thermally conductive cooled hot part, wherein the hot part of the Cooling element in the installed state flush with the in the furnace interior completing facing front side of the refractory material.
  • the invention relates a system for cooling a metallurgical furnace, which consists of at least one of these cooling elements, as well as one with such System equipped furnace.
  • Such metallurgical furnaces are used in the production of non-ferrous metals and pig iron.
  • round or rectangular ovens are used, where the required energy over self-baking electrodes from Söderberg type is introduced.
  • the melting process begins by introducing the energy over a free-burning arc, after Formation of a foamed slag is immersed in this.
  • the electrodes in the immerse conductive, liquid slag, the radiated energy is complete by resistance heating of the slag transferred to the metal bath. In in other cases, only part of the energy is by means of resistance heating the slag introduced into the metal bath.
  • Such “waffle coolers” are made of copper with cast-in tubes plate-shaped body, the provided on its hot side with dovetailed grooves and ribs are. In these grooves are used stones of refractory material or refractory masses pulped. The cooling effect of the ribs in the "waffle coolers” causes direct contact of the refractory material with liquid slag forms the desired "freeze line”. While such "waffle coolers” advantageously assume a supporting function, they have a disadvantage as a disadvantage Weight and the resulting high production costs.
  • Fingers, plate coolers as well as the waffle coolers penetrate in new condition not the entire thickness of the refractory furnace wall, but need still masonry in front of her furnace-side front wall. Moreover, they remain without connection to the outer wall of the furnace, the so-called tank, so one Forced by different thermal expansion of the refractory masonry and the tank is avoided.
  • US-A-1724098 discloses a cooling plate for provided with refractory lining Shaft furnaces, consisting of copper with arranged coolant channels and provided with the oven interior pointing cooled by heat conduction copper flat bars.
  • DE-A-2924991 discloses a cooled Oven wall element consisting of several for the coolant flow interconnected Pressure pipes, which at the furnace interior pointing vertex with heat conductors in shape are provided by welded flat iron bars.
  • the cast copper cooling element comprises a water-cooled connection part, on which several massive plate coolers are arranged like a comb, which enters the interior of the oven protrude. Refractory material is placed between the plate coolers.
  • the connecting part is located outside the furnace shell. Thickness and center distance of the plate coolers can be varied. The disadvantage of this solution is that when training with thin plate coolers the load on the hot side becomes very large, associated with the Danger of oxidizing the copper and a loss of thermal conductivity while with a training of thicker plate coolers the material costs rise and an unbalanced one Cooling is the result.
  • the invention is therefore based on the object, a cooling element and a cooling system to provide for a metallurgical furnace, while avoiding the above Disadvantages has a hot side, which immediately forms a freeze-line in the operating state.
  • an oven is to be provided, when equipped with such System has a high mechanical stability.
  • the entire hot part as a - single - plate is formed, and that the plate cold side, i. at its leading from the inside of the oven Side, a separate, provided withméffenzu- and drain - the only - refrigerator is assigned, wherein the cooling part is a tube and the plate with their from the furnace interior pioneering side permanently attached to the pipe parallel to the pipe axis.
  • a cooling element of a single plate formed, to which a separate and independent of other cooling elements cooling part arranged is.
  • a favorable ratio of the area of the hot part to Area of the refrigerator part achieved, combined with favorable cooling properties. therefore forms in the operating state directly on the hot side of the cooling element, i. on the facing towards the furnace interior front side of the refractory material and the Front side of the plate, quickly a protective layer or freeze-line.
  • connection is via a full connection, preferably by welding, to Granted a good heat transfer.
  • the cooling element from a copper plate and a copper tube and parts of standard size, which are available in stock, what the material and especially the processing costs considerably reduced. Overall, in this way a versatile, created cost-effective and reliable cooling element.
  • the components used plate, tube
  • Rolls, extrusions no coarse-grained cast structure identify, but a uniform, fine-grained structure. This requires better thermal conductivity properties and less tendency to crack or spread.
  • the plate is designed to be very thin in the sense of a sheet.
  • the plate thickness includes ranges of 10 to 40 mm, preferably 20 to 40 mm.
  • the plate or slit the sheet perpendicular to the longitudinal axis of the cooling tube Due to the separation in individual independent plate strips and also because of the small thickness a flexible adaptation to expansion movements of the refractory material is achieved. This also has the particular advantage that the formation of insulating air gaps between the refractory material or masonry and the plate is avoided.
  • the slot spacings are preferably introduced uniformly. Recommend it Distances of about 100 to 400 mm with slot widths of 2-5 mm.
  • Type I cooling system with vertically arranged cooling elements, their cooling part or pipe is arranged outside of the furnace shell; Cooling system according to type II with vertically arranged cooling elements, the cooling part or tube inside the furnace shell is arranged; Cooling system according to type III with horizontally arranged Cooling elements, the cooling part or pipe outside the furnace shell is arranged; Type IV cooling system with horizontal cooling elements, whose cooling part or pipe is arranged inside the furnace shell.
  • the cooling systems are designed by choosing the geometry the plates and / or the distance between the hot side and the cooling part and / or the distance of the plates to each other.
  • the plate of the hot part is thin.
  • the distance between Hot side and cooling part, i. the pipe is relatively short.
  • the plate has a rectangular geometry.
  • the vertical or horizontal distance of Cooling elements to their next adjacent cooling element according to or a multiple of the height or width format of refractory bricks measured as refractory material.
  • This has in the horizontal arrangement the advantage that the number of superimposed cooling elements be adapted flexibly to the height of the slag zone or the metal zone can. Cutting work on the refractory bricks is omitted; the installation effort sinks.
  • the cooling elements of a cooling system on the water side series-connected in series the coolant outlet of a Cooling element - if necessary via a rigid connecting pipe or flexible connecting lines - With the coolant inlet of an adjacent cooling element connected is.
  • the number of cooling elements connected in series depends on the available cooling water quality and / or the permissible maximum temperature of the cooling water.
  • the furnace construction in particular the furnace wall, according to the invention to be adapted to the individual cooling systems and their characteristics.
  • a Type III cooling system a round or rectangular melting furnace is proposed, whose furnace armor in the region of the cooling zone in the direction of the furnace interior is pulled in formed and the bulkhead plates to support the now having projecting upper portion of the furnace part.
  • This furnace shell construction achieved that the weakening of its mechanical load capacity due to the necessary for the cooling elements horizontal slits with relative small vertical distance is compensated.
  • the cooling systems of the type I and II are particularly suitable for rotary furnaces.
  • the geometry of the plates, specifically their length, is preferably at the height adapted to the slag zone.
  • Type I which is the plate of the hot part extends through the furnace shell and the cooling part or pipe outside of the furnace shell, one can through the vertical slots in its stability weakened furnace armor to absorb the hoop stresses from the thermal expansion of the refractory material by ribs or rings mechanically reinforced, it being ensured that the vertical slots in the furnace shell a free movement of the integrated into the refractory material Allow cooling elements in particular upwards.
  • Fig. 1 shows a section of a cooling element 1, which is composed of a coolant, for example cooling water, by flowing cooling part 2 in the form of a tube 3 with an inner diameter d i and a wall thickness d w and a cooled only by heat conduction hot part 4.
  • the hot part 4 which is thus not traversed by cooling water, consists of a thin plate 5 made of copper, which is referred to below as copper sheet.
  • the tube 3 is also made of copper and corresponds to a standard copper tube or standard size.
  • the copper sheet is welded with its cold side longitudinal side 6 to the pipe jacket 7 parallel to the tube longitudinal axis and is, starting from the hot side 8, provided with slots 9 which extend in the embodiment shown to the weld 10.
  • the incident on the hot side 8 heat from the furnace interior O i is discharged by means of heat conduction through the copper sheet to the tube 3 and here to the pipe 3 flowing through the coolant.
  • the undisturbed heat transfer enabling full connection between copper sheet and tube 3 - here in the form of the weld 10 - is also clear in Fig. 2.
  • the copper sheet is relatively thin, preferably between 20 to 40 mm thin.
  • copper sheet of a standard size is used. In combination with the slots 9 results in a flexible copper sheet, which allows a high heat transfer and at the same time can participate in thermal expansion of the refractory material.
  • a plurality of cooling elements 101 to a cooling system is shown in Fig. 3.
  • the cooling elements 101 are arranged horizontally, i. as a copper sheet trained hot part 104 is installed in the furnace wall 112 so that the Plate plane extending perpendicular to the longitudinal axis of the furnace.
  • the furnace wall 112 is composed of the furnace shell 113 and refractory material 114, with which the furnace is delivered on its side facing the furnace interior O i side.
  • the furnace shell 113 is lined with refractory bricks 115 of a certain height H F and filled in the transition to the refractory bricks 115 with refractory ramming mass 116.
  • the individual cooling elements 101 are arranged in the cooling zone, that the hot side 108 of the thin copper plate 105 and the copper sheet, ie the exposed directly to the furnace atmosphere end face, when installed flush with the in the oven interior O i facing end face 117 of the refractory bricks 115 concludes, ie there is no refractory material in front of the front side of the copper plates necessary.
  • the cooling elements 101 are each at a distance in this embodiment of two refractory bricks 115 arranged one above the other, wherein the Lining each held by a stone anchor 118 on the furnace tank 113 becomes.
  • the cooling elements are largely self-supporting, what fasteners saves.
  • each copper sheet associated copper pipes 103, the one Forming cooling channel 119 are disposed outside of the furnace shell 113.
  • Fig. 4. Overall, is formed by the favorable ratio of the area of the Hot part 104 to the surface of the cooling part 102 of the individual cooling elements 101st along the hot side of the lining quickly a protective layer or freeze-line 124 (it's just a section of the freeze-line shown) off. To this Way is the residual wall thickness of not attacked by erosion refractory bricks 115 tall.
  • the furnace shell 113 Since the copper tubes 103 of the individual cooling elements 101 are outside the furnace shell 113, 113 corresponding openings 125 and slots are introduced into the furnace shell, which are slightly longer than the copper sheet length and the height H ⁇ may not be too low, so that the copper sheet during movements the refractory bricks 115 in the slot opening 125 is not hindered.
  • the furnace shell 113 is curved inwardly in the region of the cooling zone formed by the cooling system 11, which may correspond approximately to the slag zone (see FIG. Forces acting on the furnace shell 113 of higher-lying parts of the furnace construction 126 are collected via bulkhead plates 127 and forwarded downwards.
  • the metal zone following below the slag zone can also be be be formed with such a cooling system 11 or - as shown here - with a trickle cooling 128 acting externally on the furnace shell 113.
  • the furnace shell 113 is pointing away from the inside of the furnace Enclosed side so that a gap 129 is formed. Cooling water is using a feed tube 130 so introduced into the space 129, it along the outside of the furnace shell 113 trickles down.
  • FIG. 4 clearly shows a horizontal section through the cooling system shown in Fig. 3 11 in the furnace wall 112 of a melting furnace along the line B-B- shows.
  • the Length of the copper tubes 103 corresponds to about the length of the copper sheet.
  • a cooling element system according to type IV (12) is used, which in Fig. 5 and 6 is shown in more detail.
  • Fig. 5 shows a vertical section through a Oven wall 212
  • Fig. 6 is a horizontal section.
  • the copper pipes 203 with the cooling passage 219 of the cooling elements 201 are inside the refractory ramming mass 216 arranged between the furnace shell 213 and the refractory bricks 215 is located.
  • the thin plates 205 and copper plates are between individual refractory bricks 215 arranged.
  • the furnace armor 213 will with openings 225 for the passage of the two pipe sections 220, 221 for the respective coolant inlet 222 and the respective coolant outlet 223 each copper tube 203 provided.
  • bulkheads 227 can to Increasing the stability can be provided (see Fig. 6), located on the cold side of the furnace shell 213 in the furnace vessel 230.
  • FIG. 7 shows - of seen the cold side of the furnace shell - a cooling system of the type IV (12) with inside lying copper tubes 203 arranged one above the other horizontally Cooling elements 201 of a first, second, third and fourth levels.
  • a common feed channel 231 enters cooling water through the inlet pipe sections 220, which protrude through respective openings in the furnace shell, in the copper tubes 203 of the cooling elements 201 of the first and lowest levels, respectively exit through corresponding outlet pipe sections 221 again.
  • the cooling water does not escape immediately, but is overlying - also embedded in the refractory ramming mass - Connecting pipes 232 to the inlet pipe sections 220 of the copper pipe 203 of the cooling elements 201 of the next higher level transported.
  • This cooling water transport will continue until the copper pipes 203 of the cooling elements 201 of the fourth or highest level flows through are and the cooling water through outlet pipe sections 221 and cooling water drains 223 exits into a common return channel to from there into a Cooling water recooling system (not shown) to be performed.
  • Cooling systems of the type III (11) and IV (12) find especially in rectangular ovens Use, while cooling systems according to the type I and II in particular to be used in rotary ovens.
  • a vertical section of cooling elements of a Type I (13) system Fig. 8 shows this type of refrigeration system the cooling elements 301 are arranged in the furnace wall so that the Plane of the plates 305 and the longitudinal axis of the copper tubes 303 parallel to Furnace longitudinal axis runs.
  • the cooling part 302 and the copper tube 303 of each Cooling element 301 is located outside of the furnace shell 313.
  • the copper sheets preferably correspond to the height of the slag zone. With 309 are designated the slots of the copper sheet.
  • For installation of the cooling elements 301 are in the furnace tank 313 narrow, but in the vertical direction long openings 325 or slots introduced.
  • the furnace shell 313 is preferably reinforced by ribs or rings 335a, b.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Furnace Details (AREA)
  • Details Of Measuring And Other Instruments (AREA)

Claims (17)

  1. Elément de refroidissement destiné au refroidissement d'un four métallurgique, le blindage (113, 213, 313) du four étant garni, sur sa face orientée vers l'espace intérieur du four (Oi), de matériau réfractaire (114, 214, 314), comprenant
    une partie de refroidissement (2, 102, 202, 302), traversée par un caloporteur, qui présente une alimentation (122, 222, 322) et une évacuation (123, 223, 323) du caloporteur,
    ainsi qu'une partie chaude (4, 104, 204, 304) refroidie par conductibilité thermique, la partie chaude de l'élément de refroidissement étant affleurant, à l'état monté, avec la face frontale (117) du matériau réfractaire (114, 214, 314) au niveau de l'espace intérieur du four (Oi),
    caractérisé en ce que toute la partie chaude est réalisée sous forme d'une plaque (5, 105, 205, 305) et en ce que cette plaque (5, 105, 205, 305) est associée du côté froid à une partie de refroidissement (2, 102, 202, 302) séparée, la partie de refroidissement étant un tuyau (3, 103, 203, 303) et la plaque (5, 105, 205, 305) étant agencée avec son côté écarté de l'intérieur du four (Oi) de manière inamovible sur le tuyau (3, 103, 203, 303) parallèlement à l'axe longitudinal du tuyau.
  2. Elément de refroidissement selon la revendication 1, caractérisé en ce que la plaque (5, 105, 205, 305) est agencée sur le tuyau (3, 103, 203, 303) avec un raccord plein.
  3. Elément de refroidissement selon l'une quelconque des revendications 1 ou 2 caractérisé en ce que la plaque (5, 105, 205, 305) présente une épaisseur de 10 à 40 mm, de préférence de 20 à 40 mm.
  4. Elément de refroidissement selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la plaque (5, 105, 205, 305) présente des fentes (9, 309) qui s'étendent perpendiculairement par rapport à l'axe longitudinal du tuyau (3, 103, 203, 303) et qui, partant de la face de la plaque qui n'est pas reliée au tuyau, sont introduites dans la plaque en direction du tuyau.
  5. Elément de refroidissement selon la revendication 4, caractérisé en ce que les distances entre les fentes (9, 309) sont régulières et les fentes (9, 309) s'étendent jusqu'au tuyau (3, 103, 203, 303).
  6. Elément de refroidissement selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le tuyau (3, 103, 203, 303) présente une longueur d'un mètre à plusieurs mètres.
  7. Elément de refroidissement selon l'une quelconque des revendications 1 à 6, caractérisé en ce que tant la plaque (5, 105, 205, 305) formant la partie chaude que le tuyau (3, 103, 203, 303) formant la partie froide sont réalisés en cuivre ou un autre matériau thermoconducteur.
  8. Système destiné au refroidissement d'un four métallurgique comprenant au moins un élément de refroidissement selon l'une quelconque des revendications 1 à 7, le blindage (113, 213) du four étant garni, sur sa face orientée vers l'espace intérieur du four (Oi) de matériau réfractaire (114, 214), chaque élément de refroidissement présentant une partie de refroidissement (102, 202), traversée par un caloporteur, qui présente une alimentation (122, 222) et une évacuation (123, 223) du caloporteur, ainsi qu'une partie chaude (104, 204) refroidie par conductibilité thermique, la partie chaude de l'élément de refroidissement étant affleurant, à l'état monté, avec la face frontale (117) du matériau réfractaire (114, 214) au niveau de l'espace intérieur du four, caractérisé en ce que la partie chaude, réalisée sous forme d'une seule plaque (105, 205) est montée dans la paroi (112) du four constituée par le blindage (113, 213) du four et le matériau réfractaire (114, 214) de telle manière que le plan de la plaque s'étend perpendiculairement à l'axe longitudinal du four (disposition horizontale).
  9. Système destiné au refroidissement d'un four métallurgique comprenant au moins un élément de refroidissement selon l'une quelconque des revendications 1 à 7, le blindage (313) du four étant garni, sur sa face orientée vers l'espace intérieur du four (Oi) de matériau réfractaire (314), chaque élément de refroidissement présentant une partie de refroidissement (302), traversée par un caloporteur, qui présente une alimentation (322) et une évacuation (323) du caloporteur, ainsi qu'une partie chaude (304) refroidie par conductibilité thermique, la partie chaude de l'élément de refroidissement étant affleurant, à l'état monté, avec la face frontale (117) du matériau réfractaire (114, 214) au niveau de l'espace intérieur du four, caractérisé en ce que la partie chaude, réalisée sous forme d'une seule plaque (305) est montée dans la paroi du four constituée par le blindage (313) du four et le matériau réfractaire (314) de telle manière que le plan de la plaque s'étend perpendiculairement à l'axe longitudinal du four (disposition verticale).
  10. Système selon la revendication 8 ou 9, caractérisé en ce que la partie froide (202) traversée par le caloporteur de chaque élément de refroidissement (201) est agencée sur le côté du blindage du four (213) orienté vers l'intérieur (Oi) du four.
  11. Système selon la revendication 8 ou 9, caractérisé en ce que la partie de refroidissement (102, 302) traversée par le caloporteur est agencée sur le côté du blindage du four (113, 313) s'écartant de l'intérieur (Oi) du four.
  12. Système selon l'une quelconque des revendications 8 à 11, caractérisé en ce que la géométrie des plaques (105, 205, 305) et/ou la distance entre le côté chaud (108) et la partie froide (102) et/ou la distance des plaques (105, 205, 305) les unes des autres sont agencées en fonction de la puissance volumique de la masse fondue.
  13. Système selon l'une quelconque des revendications 8 à 12, caractérisé en ce que la distance des plaques (105, 205, 305) d'éléments de refroidissement voisins (101, 201, 301) est dimensionnée en fonction de la hauteur (Hf) ou de la largeur ou d'un multiple de celles-ci des pierres réfractaires (115, 215) utilisées comme matériau réfractaire.
  14. Système selon l'une quelconque des revendications 8 à 13, caractérisé en ce que l'évacuation du caloporteur d'un élément de refroidissement est raccordée à l'alimentation du caloporteur d'un élément de refroidissement (201) adjacent.
  15. Four de fusion présentant un système selon les revendications 8 et 11 destiné au refroidissement de la zone à scories et/ou de la zone métallique comprenant au moins un élément de refroidissement selon l'une quelconque des revendications 1 à 8, caractérisé en ce que dans le cas d'une disposition horizontale de plusieurs couches d'éléments de refroidissement (101), qui forment une zone de refroidissement et dans le cas d'une disposition de la partie de refroidissement (102) traversée par le caloporteur sur le côté du blindage du four (113) s'écartant de l'intérieur (Oi) du four, le blindage (113) du four a une forme dégagée au niveau de cette zone de refroidissement en direction de l'espace intérieur (Oi) du four et en ce qu'il est supporté au moyen d'une construction en tôle, en particulier au moyen de tôles étanches (127) pour évacuer les forces verticales au-dessus de la zone de refroidissement.
  16. Four de fusion présentant un système selon les revendications 9 et 11 destiné au refroidissement de la zone à scories et/ou de la zone métallique, comprenant au moins un élément de refroidissement selon l'une quelconque des revendications 1 à 7, caractérisé en ce que dans le cas d'une disposition verticale de plusieurs éléments de refroidissement (301), qui forment une zone de refroidissement, et dans le cas d'une disposition de la partie de refroidissement (302) traversée par le caloporteur sur le côté du blindage (313) du four s'écartant de l'intérieur (Oi) du four, le blindage (313) du four est renforcé par des nervures (335a, b) ou des anneaux.
  17. Four de fusion selon la revendication 15 ou 16, caractérisé par un four rond (OR) ou un four rectangulaire (ORe) pour la production de métaux non ferreux ou de fonte brute ou par un four à arc pour la production d'acier.
EP02724254A 2001-04-18 2002-03-22 Element de refroidissement destine au refroidissement d'un four metallurgique Expired - Lifetime EP1381817B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10119034A DE10119034A1 (de) 2001-04-18 2001-04-18 Kühlelement zur Kühlung eines metallurgischen Ofens
DE10119034 2001-04-18
PCT/EP2002/003209 WO2002084192A1 (fr) 2001-04-18 2002-03-22 Element de refroidissement destine au refroidissement d'un four metallurgique

Publications (2)

Publication Number Publication Date
EP1381817A1 EP1381817A1 (fr) 2004-01-21
EP1381817B1 true EP1381817B1 (fr) 2005-05-11

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EP02724254A Expired - Lifetime EP1381817B1 (fr) 2001-04-18 2002-03-22 Element de refroidissement destine au refroidissement d'un four metallurgique

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Country Link
EP (1) EP1381817B1 (fr)
CN (1) CN100342194C (fr)
AT (1) ATE295521T1 (fr)
DE (2) DE10119034A1 (fr)
ES (1) ES2242855T3 (fr)
PT (1) PT1381817E (fr)
RU (1) RU2281974C2 (fr)
WO (1) WO2002084192A1 (fr)
ZA (1) ZA200308040B (fr)

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LU91455B1 (en) * 2008-06-06 2009-12-07 Wurth Paul Sa Gap-filler insert for use with cooling plates for a metallurgical furnace
LU91454B1 (en) * 2008-06-06 2009-12-07 Wurth Paul Sa Cooling plate for a metallurgical furnace
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AT508292B1 (de) * 2009-05-28 2011-03-15 Mettop Gmbh Verfahren zur kühlung eines metallurgischen ofens sowie kühlkreislaufsystem für metallurgischeöfen
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FI20146035A7 (fi) * 2014-11-25 2016-05-26 Outotec Finland Oy Menetelmä metallurgisen uunin rakentamiseksi, metallurginen uuni, ja pystysuuntainen jäähdytyselementti
CN105716429B (zh) * 2016-03-21 2017-12-22 中国恩菲工程技术有限公司 冷却系统
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ZA200308040B (en) 2004-06-07
PT1381817E (pt) 2005-08-31
RU2003133461A (ru) 2005-05-10
WO2002084192A1 (fr) 2002-10-24
RU2281974C2 (ru) 2006-08-20
EP1381817A1 (fr) 2004-01-21
ATE295521T1 (de) 2005-05-15
CN100342194C (zh) 2007-10-10
CN1518657A (zh) 2004-08-04
ES2242855T3 (es) 2005-11-16
DE10119034A1 (de) 2002-10-24

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