EP1381817B1 - Kühlelement zur kühlung eines metallurgischen ofens - Google Patents
Kühlelement zur kühlung eines metallurgischen ofens Download PDFInfo
- 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
- Authority
- 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
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 162
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 13
- 238000002844 melting Methods 0.000 claims abstract description 9
- 230000008018 melting Effects 0.000 claims abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 44
- 229910052802 copper Inorganic materials 0.000 claims description 44
- 239000010949 copper Substances 0.000 claims description 44
- 239000002826 coolant Substances 0.000 claims description 28
- 239000002893 slag Substances 0.000 claims description 19
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 238000010276 construction Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 229910000805 Pig iron Inorganic materials 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims description 2
- 238000010891 electric arc Methods 0.000 claims description 2
- -1 ferrous metals Chemical class 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 239000000155 melt Substances 0.000 claims 1
- 239000011241 protective layer Substances 0.000 abstract description 5
- 239000011819 refractory material Substances 0.000 description 20
- 239000000498 cooling water Substances 0.000 description 13
- 239000011449 brick Substances 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 235000012773 waffles Nutrition 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 244000089486 Phragmites australis subsp australis Species 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 230000005291 magnetic effect Effects 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000009853 pyrometallurgy Methods 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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; Tank furnaces
- F27B3/10—Details, accessories, or equipment peculiar to 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)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (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)
Description
- Fig. 1
- eine Seitenansicht eines Ausschnitts eines erfindungsgemäß vorgeschlagenen Kühlelements, das sich aus einer Platte und einem Rohr zusammensetzt;
- Fig. 2
- einen Querschnitt des Kühlelementes nach Fig. 1 längs der Linie A-A;
- Fig. 3
- einen Vertikalschnitt durch eine Ofenwand mit integriertem Kühlsystem des Typs III und eingeformten Ofenpanzer;
- Fig. 4
- einen Horizontalschnitt B-B durch eine Ofenwand mit einem Kühlsystem nach Fig. 3;
- Fig. 5
- einen Vertikalschnitt durch eine Ofenwand mit integriertem Kühlsystem des Typs IV;
- Fig. 6
- einen Horizontalschnitt B-B durch eine Ofenwand mit einem Kühlsystem nach Fig. 5;
- Fig. 7
- die Darstellung eines Kühlsystems nach dem Typ IV, wobei die übereinander liegenden Kühlelemente versetzt angeordnet sind;
- Fig. 8
- einen Vertikalschnitt durch eine Ofenwand mit integriertem Kühlsystem nach Typ I.
Claims (17)
- Kühlelement zur Kühlung eines metallurgischen Ofens,
wobei der Ofenpanzer (113, 213, 313) des Ofens an seiner zum Ofeninnenraum (Oi) hinweisenden Seite mit Feuerfest-Material (114, 214, 314) zugestellt ist,
umfassend
einen mit Kühlmittel durchflossenen Kühlteil (2, 102, 202, 302), der einen Kühlmittelzulauf (122, 222, 322) und einen Kühlmittelablauf (123, 223, 323) aufweist,
sowie einen durch Wärmeleitung gekühlten Heißteil (4, 104, 204, 304),
wobei der Heißteil des Kühlelementes im eingebauten Zustand bündig mit der in den Ofeninnenraum (Oi) zeigenden Stirnseite (117) des Feuerfest-Materials (114, 214, 314) abschließt,
dadurch gekennzeichnet, dass der gesamte Heißteil als eine Platte (5, 105, 205, 305) ausgebildet ist, und dass dieser Platte (5, 105, 205, 305) kaltseitig ein separater Kühlteil (2, 102, 202, 302) zugeordnet ist,
wobei der Kühlteil ein Rohr (3, 103, 203, 303) ist und die Platte (5, 105, 205, 305) mit ihrer vom Ofeninneren (Oi) wegweisenden Seite unlösbar an das Rohr (3, 103, 203, 303) parallel zur Rohrlängsachse angebracht ist. - Kühlelement nach Anspruch 1,
dadurch gekennzeichnet, dass die Platte (5, 105, 205, 305) an das Rohr (3, 103, 203, 303) mit einem Vollanschluss angebracht ist. - Kühlelement nach einem der Ansprüche 1 oder 2
dadurch gekennzeichnet, dass die Platte (5, 105, 205, 305) eine Dicke von 10 bis 40 mm, vorzugsweise 20 bis 40 mm, aufweist. - Kühlelement nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, dass die Platte (5, 105, 205, 305) senkrecht zur Längsachse des Rohres (3, 103, 203, 303) verlaufende Schlitze (9, 309) aufweist, die, ausgehend von der nicht mit dem Rohr verbundenen Plattenseite, in Richtung Rohr in die Platte eingebracht sind. - Kühlelement nach Anspruch 4,
dadurch gekennzeichnet, dass die Abstände der Schlitze (9, 309) gleichmäßig sind und die Schlitze (9, 309) sich bis zum Rohr (3, 103, 203, 303) erstrecken. - Kühlelement nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, daß das Rohr (3, 103, 203, 303) eine Länge von einem Meter bis zu mehreren Metern aufweist. - Kühlelement nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet, dass sowohl die den Heißteil bildende Platte (5, 105, 205, 305) als auch das den Kühlteil bildende Rohr (3, 103, 203, 303) aus Kupfer oder einem anderen wärmeleitendem Material gefertigt sind. - System zur Kühlung eines metallurgischen Ofens mit mindestens einem Kühlelement nach einem der Ansprüche 1 bis 7,
wobei der Ofenpanzer (113, 213) des Ofens an seiner zum Ofeninnenraum (Oi) hinweisenden Seite mit Feuerfest-Material (114, 214) zugestellt ist, und wobei das jeweilige Kühlelement einen mit Kühlmittel durchflossenen Kühlteil (102, 202), der einen Kühlmittelzulauf (122, 222) und einen Kühlmittelablauf (123, 223) aufweist, sowie einen durch Wärmeleitung gekühlten Heißteil (104, 204) umfasst und wobei der Heißteil des Kühlelementes im eingebauten Zustand bündig mit der in den Ofeninnenraum zeigenden Stirnseite (117) des Feuerfest-Materials (114, 214) abschließt,
dadurch gekennzeichnet, dass das als eine einzige Platte (105, 205) ausgebildete Heißteil in die aus Ofenpanzer (113, 213) und Feuerfest-Material (114, 214) gebildete Ofenwand (112) so eingebaut wird, dass die Plattenebene sich senkrecht zur Längsachse des Ofens erstreckt (horizontale Anordnung). - System zur Kühlung eines metallurgischen Ofens mit mindestens einem Kühlelement nach einem der Ansprüche 1 bis 7,
wobei der Ofenpanzer (313) des Ofens an seiner zum Ofeninnenraum (Oi) hinweisenden Seite mit Feuerfest-Material (314) zugestellt ist, und wobei das jeweilige Kühlelement einen mit Kühlmittel durchflossenen Kühlteil (302), der einen Kühlmittelzulauf (322) und einen Kühlmittelablauf (323) aufweist, sowie einen durch Wärmeleitung gekühlten Heißteil (304) umfaßt und wobei der Heißteil des Kühlelementes im eingebauten Zustand bündig mit der in den Ofeninnenraum zeigenden Stirnseite des Feuerfest-Materials abschließt,
dadurch gekennzeichnet, dass das als eine einzige Platte (305) ausgebildete Heißteil in die aus Ofenpanzer (314) und Feuerfest-Material (314) gebildete Ofenwand so eingebaut wird, dass die Plattenebene sich parallel zur Längsachse des Ofens erstreckt (vertikale Anordnung). - System nach Anspruch 8 oder 9,
dadurch gekennzeichnet, dass der mit Kühlmittel durchflossene Kühlteil (202) des jeweiligen Kühlelementes (201) an der zum Ofeninneren (Oi) hinweisenden Seite des Ofenpanzers (213) angeordnet ist. - System nach Anspruch 8 oder 9,
dadurch gekennzeichnet, dass der mit Kühlmittel durchflossene Kühlteil (102, 302) an der vom Ofeninneren (Oi) wegweisenden Seite des Ofenpanzers (113, 313) angeordnet ist. - System nach einem der Ansprüche 8 bis 11,
dadurch gekennzeichnet, dass die Geometrie der Platten (105, 205, 305) und/oder der Abstand zwischen Heißseite (108) und Kühlteil (102) und/oder der Abstand der Platten (105, 205, 305) zueinander der Kühlelemente entsprechend der Schmelzleistungsdichte ausgelegt sind. - System nach einem der Ansprüche 8 bis 12,
dadurch gekennzeichnet, dass der Abstand der Platten (105, 205, 305) von benachbarten Kühlelementen (101, 201, 301) entsprechend des oder eines Mehrfachen des Höhen- (HF) bzw. des Breitenformates von Feuerfest-Steinen (115, 215) als Feuerfest-Material bemessen ist. - System nach einem der Ansprüche 8 bis 13,
dadurch gekennzeichnet, dass der Kühlmittelablauf eines Kühlelementes mit dem Kühlmittelzulauf eines benachbarten Kühlelementes (201) verbunden ist. - Schmelzofen mit einem System nach den Ansprüchen 8 und 11 zur Kühlung der Schlacken- und/oder Metallzone mit mindestens einem Kühlelement nach einem der Ansprüche 1 bis 8,
dadurch gekennzeichnet, dass bei horizontaler Anordnung mehrerer Lagen von Kühlelementen (101), die eine Kühlzone bilden, und bei einer Anordnung des mit Kühlmittel durchflossenen Kühlteils (102) an der vom Ofeninneren (Oi) wegweisenden Seite des Ofenpanzers (113)
der Ofenpanzer (113) im Bereich dieser Kühlzone in Richtung Ofeninnenraum (Oi) eingezogen ausgeformt ist und
dass er mittels einer Blechkonstruktion, insbesondere mittels Schottblechen (127), zur Weiterleitung von Vertikalkräften oberhalb der Kühlzone gestützt ist. - Schmelzofen mit einem System nach den Ansprüche 9 und 11 zur Kühlung der Schlacken- und/oder Metallzone mit mindestens einem Kühlelement nach einem der Ansprüche 1 bis 7,
dadurch gekennzeichnet, dass bei vertikaler Anordnung mehrerer Kühlelemente (301), die eine Kühlzone bilden,
und bei einer Anordnung des mit Kühlmittel durchflossenen Kühlteils (302) an der vom Ofeninneren (Oi) wegweisenden Seite des Ofenpanzers (313) der Ofenpanzer (313) durch Rippen (335a, b) oder Ringe verstärkt ist. - Schmelzofen nach Anspruch 15 oder 16,
gekennzeichnet durch
einen Rundofen (OR) oder Rechteckofen (ORe) zur Herstellung von Nichteisenmetallen oder von Roheisen oder durch einen Lichtbogenofen zur Herstellung von Stahl.
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 (de) | 2001-04-18 | 2002-03-22 | Kühlelement zur kühlung eines metallurgischen ofens |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1381817A1 EP1381817A1 (de) | 2004-01-21 |
EP1381817B1 true EP1381817B1 (de) | 2005-05-11 |
Family
ID=7681872
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02724254A Expired - Lifetime EP1381817B1 (de) | 2001-04-18 | 2002-03-22 | Kühlelement zur kühlung eines metallurgischen ofens |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP1381817B1 (de) |
CN (1) | CN100342194C (de) |
AT (1) | ATE295521T1 (de) |
DE (2) | DE10119034A1 (de) |
ES (1) | ES2242855T3 (de) |
PT (1) | PT1381817E (de) |
RU (1) | RU2281974C2 (de) |
WO (1) | WO2002084192A1 (de) |
ZA (1) | ZA200308040B (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
LU91454B1 (en) * | 2008-06-06 | 2009-12-07 | Wurth Paul Sa | Cooling plate for a metallurgical furnace |
LU91455B1 (en) * | 2008-06-06 | 2009-12-07 | Wurth Paul Sa | Gap-filler insert for use with cooling plates for a metallurgical furnace |
RU2487946C2 (ru) * | 2008-12-29 | 2013-07-20 | Лувата Эспоо Ой | Способ получения охлаждающего элемента для пирометаллургического реактора и охлаждающий элемент |
AT508292B1 (de) * | 2009-05-28 | 2011-03-15 | Mettop Gmbh | Verfahren zur kühlung eines metallurgischen ofens sowie kühlkreislaufsystem für metallurgischeöfen |
CN102252782B (zh) * | 2011-05-10 | 2012-09-05 | 上海量值测控仪器科技有限公司 | 卧式热电偶检定炉专用降温加速器 |
DE102012214147A1 (de) | 2012-05-11 | 2013-11-14 | Sms Siemag Ag | Seitenwandkühlung für Schmelzöfen |
RU2555697C2 (ru) * | 2013-10-15 | 2015-07-10 | Общество С Ограниченной Ответственностью "Медногорский Медно-Серный Комбинат" | Футеровка стенки металлургической печи |
FI20146035A (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 |
CN107606961B (zh) * | 2017-10-17 | 2023-11-24 | 山东泓奥电力科技有限公司 | 液态炉渣余热回收装置 |
CN111607674A (zh) * | 2020-06-29 | 2020-09-01 | 盐城市联鑫钢铁有限公司 | 一种促使高炉炉缸快速升温的方法及装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1724098A (en) * | 1927-04-02 | 1929-08-13 | American Smelting Refining | Furnace-roof construction |
DE2924991C2 (de) * | 1979-06-21 | 1982-12-23 | Ferdinand Lentjes, Dampfkessel- und Maschinenbau, 4000 Düsseldorf | Wassergekühltes Ofenwandelement |
SE8804202L (sv) * | 1988-11-21 | 1990-05-22 | Stiftelsen Metallurg Forsk | Kylpanel |
AUPM393094A0 (en) * | 1994-02-16 | 1994-03-10 | University Of Melbourne, The | Internal refractory cooler |
-
2001
- 2001-04-18 DE DE10119034A patent/DE10119034A1/de not_active Withdrawn
-
2002
- 2002-03-22 AT AT02724254T patent/ATE295521T1/de active
- 2002-03-22 CN CNB028122542A patent/CN100342194C/zh not_active Expired - Fee Related
- 2002-03-22 WO PCT/EP2002/003209 patent/WO2002084192A1/de not_active Application Discontinuation
- 2002-03-22 PT PT02724254T patent/PT1381817E/pt unknown
- 2002-03-22 RU RU2003133461/02A patent/RU2281974C2/ru not_active IP Right Cessation
- 2002-03-22 EP EP02724254A patent/EP1381817B1/de not_active Expired - Lifetime
- 2002-03-22 DE DE50203089T patent/DE50203089D1/de not_active Expired - Lifetime
- 2002-03-22 ES ES02724254T patent/ES2242855T3/es not_active Expired - Lifetime
-
2003
- 2003-10-16 ZA ZA200308040A patent/ZA200308040B/en unknown
Also Published As
Publication number | Publication date |
---|---|
RU2281974C2 (ru) | 2006-08-20 |
CN1518657A (zh) | 2004-08-04 |
ZA200308040B (en) | 2004-06-07 |
DE10119034A1 (de) | 2002-10-24 |
PT1381817E (pt) | 2005-08-31 |
RU2003133461A (ru) | 2005-05-10 |
DE50203089D1 (de) | 2005-06-16 |
ATE295521T1 (de) | 2005-05-15 |
EP1381817A1 (de) | 2004-01-21 |
ES2242855T3 (es) | 2005-11-16 |
WO2002084192A1 (de) | 2002-10-24 |
CN100342194C (zh) | 2007-10-10 |
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