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EP1381699B1 - Plaque de refroidissement - Google Patents

Plaque de refroidissement Download PDF

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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
Application number
EP02724252A
Other languages
German (de)
English (en)
Other versions
EP1381699A1 (fr
Inventor
Peter Heinrich
Elmar Korbik
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMS Siemag AG
Original Assignee
SMS Demag AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SMS Demag AG filed Critical SMS Demag AG
Publication of EP1381699A1 publication Critical patent/EP1381699A1/fr
Application granted granted Critical
Publication of EP1381699B1 publication Critical patent/EP1381699B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F27B1/00—Shaft or like vertical or substantially vertical furnaces
    • F27B1/10—Details, accessories or equipment specially adapted for 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Blast Furnaces (AREA)

Claims (10)

  1. Plaque de refroidissement (1, 101, 201) pour four-puits équipé d'un revêtement ignifugé,
    comportant au moins un canal à refroidisseur (2, 102, 202) ainsi que des sections tubulaires (16, 17) pour l'entrée du refroidisseur ou la sortie du refroidisseur, le canal à refroidisseur respectif (2, 102, 202) étant limité d'une part par une découpe du canal à refroidisseur pratiquée dans la plaque de refroidissement elle-même et d'autre part par une deuxième pièce, la deuxième pièce étant disposée enfoncée en servant de plaque de recouvrement (4, 104, 204) dans la découpe du canal à refroidisseur (3, 203) de la plaque de refroidissement,
    caractérisée en ce que
    la plaque de recouvrement (4, 104, 204) est disposée enfoncée de manière à se terminer à fleur avec le côté arrière (6) de la plaque de refroidissement (1 ).
  2. Plaque de refroidissement selon la revendication 1,
    caractérisée en ce que
    la plaque de recouvrement (4) est soudée par ses arêtes longitudinales (9a, b) le long des surfaces intérieures (10a, b) de la découpe du canal à refroidisseur (3) de la plaque de refroidissement.
  3. Plaque de refroidissement selon la revendication 1 ou 2,
    caractérisée en ce que
    la plaque de recouvrement (4) pénètre dans la découpe du canal à refroidisseur (3) de manière à ce que le canal à refroidisseur (2) ainsi obtenu s'étende approximativement au centre de l'ensemble de la plaque de refroidissement.
  4. Plaque de refroidissement selon l'une quelconque des revendications 1 à 3,
    caractérisée en ce que
    la plaque de recouvrement (4, 204) présente une surface plane (12, 212) du côté du refroidisseur.
  5. Plaque de refroidissement selon l'une quelconque des revendications 1 à 3,
    caractérisée en ce que
    la plaque de recouvrement (104) présente une surface en forme de cuvette simple ou multiple (112) du côté du refroidisseur.
  6. Plaque de refroidissement selon l'une quelconque des revendications 1 à 5,
    caractérisée en ce que
    la découpe du canal à refroidisseur (203) est pratiquée en forme de cuvette simple ou multiple dans la plaque de refroidissement (201).
  7. Plaque de refroidissement selon la revendication 6,
    caractérisée en ce que
    la surface de section transversale du canal à refroidisseur (202), par rapport à l'extension longitudinale de la section transversale, est plus grande aux zones extrêmes que dans la zone centrale (215).
  8. Plaque de refroidissement selon l'une quelconque des revendications 1 à 7,
    caractérisée en ce que
    la plaque de refroidissement (1, 101, 201) et/ou la plaque de recouvrement (4, 104, 204) sont fabriquées en acier laminé ou forgé ou en fonte d'acier ou en fonte grise spéciale.
  9. Plaque de refroidissement selon l'une quelconque des revendications 1 à 7,
    caractérisée en ce que
    la plaque de refroidissement (1, 101, 201) et/ou la plaque de recouvrement (4, 104, 204) sont fabriquées à partir d'un lingot laminé ou forgé en cuivre ou en alliage de cuivre ou en fonte de cuivre ou d'alliage de cuivre.
  10. Plaque de refroidissement selon l'une quelconque des revendications 1 à 9,
    caractérisée en ce que
    la découpe du canal à refroidisseur respective (3, 203) est pratiquée dans la plaque de refroidissement et/ou la plaque de recouvrement par fraisage ou par laminage de profil ou est prédéfinie par la lingotière.
EP02724252A 2001-04-26 2002-03-21 Plaque de refroidissement Expired - Lifetime EP1381699B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10120614A DE10120614A1 (de) 2001-04-26 2001-04-26 Kühlplatte
DE10120614 2001-04-26
PCT/EP2002/003142 WO2002088398A1 (fr) 2001-04-26 2002-03-21 Plaque de refroidissement

Publications (2)

Publication Number Publication Date
EP1381699A1 EP1381699A1 (fr) 2004-01-21
EP1381699B1 true EP1381699B1 (fr) 2005-02-16

Family

ID=7682906

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02724252A Expired - Lifetime EP1381699B1 (fr) 2001-04-26 2002-03-21 Plaque de refroidissement

Country Status (4)

Country Link
EP (1) EP1381699B1 (fr)
AT (1) ATE289359T1 (fr)
DE (2) DE10120614A1 (fr)
WO (1) WO2002088398A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY144669A (en) 2004-02-04 2011-10-31 Tech Resources Pty Ltd Metallurgical vessel
AU2005210677B2 (en) * 2004-02-04 2009-12-10 Tata Steel Limited Metallurgical vessel
NZ555926A (en) 2004-12-20 2008-11-28 Antibodyshop As Determination of neutrophil gelatinase-associated lipocalin (NGAL) as a diagnostic marker for renal disorders
EP1847622A1 (fr) * 2006-04-18 2007-10-24 Paul Wurth S.A. Procédé pour la fabrication d'un plaque de refroidissement pour des fours métallurgiques et plaque de refroidissement obtenu
LU91811B1 (fr) * 2011-04-27 2012-10-29 Wurth Paul Sa Charge 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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE10120614A1 (de) 2002-10-31
ATE289359T1 (de) 2005-03-15
EP1381699A1 (fr) 2004-01-21
WO2002088398A1 (fr) 2002-11-07
DE50202280D1 (de) 2005-03-24

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