EP1381699B1 - Kühlplatte - Google Patents
Kühlplatte Download PDFInfo
- Publication number
- EP1381699B1 EP1381699B1 EP02724252A EP02724252A EP1381699B1 EP 1381699 B1 EP1381699 B1 EP 1381699B1 EP 02724252 A EP02724252 A EP 02724252A EP 02724252 A EP02724252 A EP 02724252A EP 1381699 B1 EP1381699 B1 EP 1381699B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cooling plate
- coolant channel
- cover plate
- cooling
- 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 77
- 239000002826 coolant Substances 0.000 claims abstract description 53
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 238000003801 milling Methods 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 229910001208 Crucible steel Inorganic materials 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- 229910001060 Gray iron Inorganic materials 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000009970 fire resistant effect Effects 0.000 abstract 1
- 210000000988 bone and bone Anatomy 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000007528 sand casting Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- F27B1/00—Shaft or like vertical or substantially vertical furnaces
- F27B1/10—Details, accessories, or equipment peculiar to furnaces of these types
- F27B1/24—Cooling arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/12—Elements constructed in the shape of a hollow panel, e.g. with channels
-
- 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
- F27D2009/0045—Cooling of furnaces the cooling medium passing a block, e.g. metallic
Definitions
- the invention relates to a cooling plate for provided with a refractory lining Shaft furnaces, with at least one coolant channel and with pipe sections to the coolant inlet or coolant outlet, wherein the respective Coolant channel on the one hand by a coolant channel cutout in the cooling plate itself and on the other hand by a second part is limited.
- a generic cooling plate is known from EP 0 930 371 A1. These discloses a cooling plate for refractory lining Shaft furnaces, provided on the back of the cooling plate cooling channels that are to part through the cooling plate itself and to another part are limited by sheets, the cooling channels by milling in the back the cooling plate and / or are introduced into the sheets.
- the cooling channels can each be closed by individual sheets or a whole plate become. In this case, the sheets or the plate on the back of the cooling plate attached by welding or bolting.
- DE 40 35 893 C1 is a cooling box made of copper for cooling in particular described by blast furnace walls.
- This has a plate-shaped Body on, with at least one an entrance and an exit having provided coolant groove.
- the coolant grooves are by means of a on the body welded cover plate to form a coolant channel closed.
- deposits, preferably of copper are introduced into the slot openings, which are welded to the base body and the cover plate.
- a cooling plate for a shaft furnace which has a coolant channel which is covered by a cover plate.
- the cover plate is partially sunk in the cooling plate.
- the invention is based on the object, a generic cooling plate with to create improved manufacturing and cooling properties.
- the coolant channel is the rear limiting second part as a cover plate in the formed by the cooling plate itself coolant channel cutout sunk arranged.
- the core of the invention is therefore not the cover plate to arrange more on the actual back wall of the cooling plate or base plate, by straddling the coolant channel cutout, but that it immediately is recessed or immersed in the coolant channel cutout.
- the cover plate is then formed by projecting webs of the coolant channel cutout encompassed.
- the cover plate is arranged so that with its back flush with the back of the cooling plate.
- the rear outer surfaces of the projecting webs of the coolant channel cutout and the back outer surface of the cover plate thus form a plane Area. This has for example advantages in the assembly, especially in the Backfill with refractory mass.
- the cover plate with two longitudinal edges along the - coolant side - Inner surfaces of the projecting webs of the coolant channel cutout the cooling plate welded. Due to this arrangement of the welds arise improved weld formation.
- the cover plate Due to the thickness and the cooling water side shape of the cover plate is the remaining Cross-section and the cross-sectional profile of the respective coolant channel certainly.
- the cover plate is formed or arranged, that it protrudes so far into the coolant channel that the resulting Coolant channel runs approximately centrally to the entire cooling plate. by virtue of the displacement of the coolant channel to the cooling plate center are the improved cooling properties.
- the cover plate has a plane coolant side Surface, according to a second embodiment, a single or multiple trough-shaped coolant-side surface.
- the coolant channel cutout in the cooling plate formed single or multiple trough-shaped.
- the total cross section of the coolant channel results from any Combination of the cross section of the coolant channel cutout in the Cooling plate and a flat or shaped cover plate.
- the cross-sectional area the coolant channel with respect to the longitudinal extent of the cross section in the end areas are larger than in the middle area. If the end areas are half or are formed fully arched, resulting in approximately the cross-sectional shape of a Half or one full bone.
- the cooling plate and / or the cover plate of a rolled or forged ingot of copper or a - low alloyed - Copper alloy manufactured are advantageousously, the production of cast copper or copper alloy casting proposed, for example by Stanggtigoder Sand casting.
- the cooling plate and / or the Cover plate made of rolled or forged steel or cast steel or Made of gray special casting, which in particular reduces the material costs. It is also recommended to combine a cooling plate made of copper with a or respective cover plates made of steel.
- Fig. 1 shows a section of a cross section through a cooling plate 1 and a stave with several coolant channels, here only one example Coolant channel 2 is shown.
- This channel 2 with a coolant, like Water is flowed through, on the one hand by a section 3 and a Deepening in the cooling plate 1 itself and on the other hand by a cover plate 4th limited as a second part.
- This cover plate 4 is in this case in the coolant channel cutout 3 recessed arranged that its back 5 flush with the Rear 6 of the cooling plate 1 closes.
- cooling plate. 1 In order to produce such a cooling channel cross-section, are in the cooling plate. 1 starting from its rear side 6 or cold side, cutouts 3 or depressions, for example, by milling introduced. The respective cutouts 3 are surrounded by projecting webs 7a, b. It is recommended to take a tiered Insert cutout in the cooling plate 1. To connect will be the cover plate 4 inserted into the recess until it at the stage 8a, b for Plant comes. The thus fixed cover plate 4 is then along its longitudinal edges 9a, b welded to the inner surfaces 10a, b of the webs 7a, b. These are the Longitudinal edges 9a, b of the cover plate to ensure optimum welds 11a, b chamfered.
- connection is made by multi-layer welding, for example by MSG (metal arc welding) or electric welding.
- MSG metal arc welding
- the cover plate 3 in the embodiment shown is a plan provided on the water-side surface 12, while the cutout 3 of the cooling plate. 1 is trough-shaped. It results in approximately a semi-oval cooling channel cross-section.
- the oven interior facing hot side 13 of the cooling plate 1 is provided with grooves 14th provided for receiving refractory material 23.
- FIG. 1 A second embodiment of a cooling plate 101 is shown in FIG.
- the cover plate 104 no longer flat, but also trough-shaped or oval executed. Overall, this results in an approximately oval cross section of the cooling channel 102 with favorable flow properties.
- the fluidic properties are further improved by the cooling plate 201 with a double trough-shaped cutout 203 or a depression, preferably by milling or profile rolling, is provided.
- the troughs 214a, b are formed here as bulges.
- a cover plate 204 with a plane water-side Surface 212 is approximately the shape of a half bone for the cooling channel 202.
- the water-side surface 212 of the cover plate 204 to provide a complementary double trough-shaped depression, so that the overall result is the cross-sectional shape of a bone would.
- a half or full bone cross section causes the largest Part of the cooling water no longer in the central area 215, but in the heat-loaded End portions or troughs 214a, b of the cooling channel 202 flows, wherein greater flow rates and thus more favorable heat transfer coefficient values can be achieved.
- the cross section in the middle area 215 is to be construed proportionately so that the lower - there Amounts of heat - can be dissipated well.
- Such cooling plates 1, 101, 201 or staves made of copper or steel have Pipe sections 16, 17 for coolant inlet and coolant outlet on. These Pipe sections may be at the ends of the respective coolant channels or even with closed ends of the coolant channels in holes in the cover plate are located, wherein the pipe sections 16, 17 through holes 18, 19 extend in the furnace wall 20 (see Fig. 4).
- the cooling plate 1 When shown in Fig. 4 Embodiment, the cooling plate 1 by means of screws 21, 22 with the Furnace wall 20 connected.
- Other connections are also conceivable, such as For example, a connection via a bridge bracket.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Blast Furnaces (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Description
- Fig. 1
- einen Ausschnitt eines Querschnitts einer Kühlplatte nach einer ersten Ausführungsform;
- Fig. 2
- einen Ausschnitt eines Querschnitts einer Kühlplatte nach einer zweiten Ausführungsform;
- Fig. 3
- einen Ausschnitt eines Querschnitts einer Kühlplatte nach einer dritten Ausführungsform;
- Fig. 4
- einen Längsschnitt durch eine in einer Ofenwandung eines Hochofens eingebauten Kühlplatte.
Claims (10)
- Kühlplatte (1, 101, 201) für mit einer feuerfesten Auskleidung versehene Schachtöfen,
mit mindestens einem Kühlmittelkanal (2, 102, 202) sowie mit Rohrabschnitten (16, 17) zum Kühlmitteleintritt bzw. Kühlmittelaustritt,
wobei der jeweilige Kühlmittelkanal (2, 102, 202) einerseits durch einen Kühlmittelkanalausschnitt in der Kühlplatte selbst und andererseits durch ein zweites Teil begrenzt ist, wobei das zweite Teil als Deckplatte (4,104, 204) in dem Kühlmittelkanalausschnitt (3, 203) der Kühlplatte eingesenkt angeordnet ist,
dadurch gekennzeichnet, dass die Deckplatte (4, 104, 204) derart eingesenkt angeordnet ist, dass sie bündig mit der Rückseite (6) der Kühlplatte (1) abschließt. - Kühlplatte nach Anspruch 1,
dadurch gekennzeichnet, dass die Deckplatte (4) mit ihren Längskanten (9a,b) entlang der Innenflächen (10a,b) des Kühlmittelkanalausschnitts (3) der Kühlplatte verschweißt ist. - Kühlplatte nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß die Deckplatte (4) soweit in den Kühlmittelkanalausschnitt (3) hineinragt, dass der sich ergebende Kühlmittelkanal (2) in etwa mittig zur Gesamtkühlplatte verläuft. - Kühlplatte nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, dass die Deckplatte (4, 204) eine plane kühlmittelseitige Fläche (12, 212) aufweist. - Kühlplatte nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, dass die Deckplatte (104) eine einfach- oder mehrfach muldenförmige kühlmittelseitige Fläche (112) aufweist. - Kühlplatte nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, dass der Kühlmittelkanalausschnitt (203) in die Kühlplatte (201) einfach oder mehrfach muldenförmig ausgebildet ist. - Kühlplatte nach Anspruch 6,
dadurch gekennzeichnet, dass die Querschnittsfläche des Kühlmittelkanals (202) in Bezug auf die Längserstreckung des Querschnitts in den Endbereichen größer ist als im Mittenbereich (215). - Kühlplatte nach einem der Ansprüche 1 bis 7,
dadurch gekennzeichnet, dass die Kühlplatte (1, 101, 201) und/oder die Deckplatte (4, 104, 204) aus gewalztem bzw. geschmiedetem Stahl oder aus Stahlguss oder aus Grau-Sonderguss gefertigt sind. - Kühlplatte nach einem der Ansprüche 1 bis 7,
dadurch gekennzeichnet, dass die Kühlplatte (1, 101, 201) und/oder die Deckplatte (4, 104, 204) aus einem gewalzten oder geschmiedeten Rohblock aus Kupfer oder einer Kupferlegierung oder aus Kupfer- oder Kupferlegierungsguss gefertigt sind. - Kühlplatte nach einem der Ansprüche 1 bis 9,
dadurch gekennzeichnet, dass der jeweilige Kühlmittelkanalausschnitt (3, 203) in die Kühlplatte und/oder in die Deckplatte durch Fräsen oder durch Profilwalzen eingebracht ist oder durch die Gießform vorgegeben wird.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10120614 | 2001-04-26 | ||
DE10120614A DE10120614A1 (de) | 2001-04-26 | 2001-04-26 | Kühlplatte |
PCT/EP2002/003142 WO2002088398A1 (de) | 2001-04-26 | 2002-03-21 | Kühlplatte |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1381699A1 EP1381699A1 (de) | 2004-01-21 |
EP1381699B1 true EP1381699B1 (de) | 2005-02-16 |
Family
ID=7682906
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02724252A Expired - Lifetime EP1381699B1 (de) | 2001-04-26 | 2002-03-21 | Kühlplatte |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1381699B1 (de) |
AT (1) | ATE289359T1 (de) |
DE (2) | DE10120614A1 (de) |
WO (1) | WO2002088398A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2005210677B2 (en) * | 2004-02-04 | 2009-12-10 | Tata Steel Limited | Metallurgical vessel |
MY144669A (en) | 2004-02-04 | 2011-10-31 | Tech Resources Pty Ltd | Metallurgical vessel |
ES2703434T3 (es) | 2004-12-20 | 2019-03-08 | Antibodyshop As | Determinación de lipocalina asociada a gelatinasa de neutrófilos (NGAL) como marcador diagnóstico para trastornos renales |
EP1847622A1 (de) * | 2006-04-18 | 2007-10-24 | Paul Wurth S.A. | Verfahren zur Herstellung einer Plattenkühler für metallurgische Öfen und so hergestellte Plattenkühler |
LU91811B1 (en) * | 2011-04-27 | 2012-10-29 | Wurth Paul Sa | Load distribution device |
LU92471B1 (en) * | 2014-06-06 | 2015-12-07 | Wurth Paul Sa | Charging installation of a metallurgical reactor |
CN110094985A (zh) * | 2019-05-22 | 2019-08-06 | 汕头华兴冶金设备股份有限公司 | 一种新型铜冷却板及其制造方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2775695B1 (fr) * | 1998-03-05 | 2000-04-28 | Forcast Int | Plaque de refroidissement pour un four a cuve muni d'un revetement refractaire, et notamment pour haut fourneau |
DE10000987A1 (de) * | 1999-04-09 | 2000-10-12 | Sms Demag Ag | Kühlplatte für Schachtöfen |
-
2001
- 2001-04-26 DE DE10120614A patent/DE10120614A1/de not_active Ceased
-
2002
- 2002-03-21 WO PCT/EP2002/003142 patent/WO2002088398A1/de not_active Application Discontinuation
- 2002-03-21 EP EP02724252A patent/EP1381699B1/de not_active Expired - Lifetime
- 2002-03-21 AT AT02724252T patent/ATE289359T1/de not_active IP Right Cessation
- 2002-03-21 DE DE50202280T patent/DE50202280D1/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO2002088398A1 (de) | 2002-11-07 |
DE10120614A1 (de) | 2002-10-31 |
DE50202280D1 (de) | 2005-03-24 |
ATE289359T1 (de) | 2005-03-15 |
EP1381699A1 (de) | 2004-01-21 |
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