EP1913322A1 - Tapping channel for a metallurgical furnace - Google Patents
Tapping channel for a metallurgical furnaceInfo
- Publication number
- EP1913322A1 EP1913322A1 EP06776176A EP06776176A EP1913322A1 EP 1913322 A1 EP1913322 A1 EP 1913322A1 EP 06776176 A EP06776176 A EP 06776176A EP 06776176 A EP06776176 A EP 06776176A EP 1913322 A1 EP1913322 A1 EP 1913322A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tapping
- sleeve
- tapping channel
- furnace
- channel
- 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.)
- Granted
Links
- 238000010079 rubber tapping Methods 0.000 title claims abstract description 80
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 239000004575 stone Substances 0.000 claims description 34
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 239000002826 coolant Substances 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims 1
- 239000011449 brick Substances 0.000 abstract 2
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- 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
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/15—Tapping equipment; Equipment for removing or retaining slag
- F27D3/1509—Tapping equipment
- F27D3/1518—Tapholes
-
- 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
- F27B3/19—Arrangements of devices for discharging
-
- 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
Definitions
- the invention relates to a tapping channel for a metallurgical furnace, in particular for an electric reduction furnace, comprising at least one tapping stone and a cooling device in the region of the tapping channel.
- a tapping channel is known in which the cylindrical tapping channel is made by a made of copper, provided with cooling channels, jacket tube.
- This jacket tube is inserted into a bore in the side wall of the furnace with a filling material for positioning such that the end wall of the jacket tube is flush with the inner wall of the furnace.
- the tap holes can be offered in conventional design. For use under higher loads, water - cooled elements are available for metal, CU - stone and slag tapping.
- tapping channels the tapping channels are cooled directly, wherein the cooling medium, preferably water, is guided in the tapping channels into the interior of the oven and forwarded to the area of the Ofenausmautation.
- the cooling medium preferably water
- the invention has for its object to improve the known tapping channels, in particular their stability and durability, and to avoid the above-mentioned disadvantages. With an improved design of the tapping channel also the necessary maintenance is to be simplified and the safety can be improved.
- the cooling device is designed as a sleeve enclosing the tapping stones in the region of the furnace wall.
- tapping channel result from the relevant subclaims.
- the decisive advantage of the tapping channel according to the invention is that the tapping stones are not surrounded by the sleeve over the entire length.
- the tapping stone facing the interior of the oven (in the case of multipart design) or tapping stone section (with one - part tapping stone) is not surrounded by the sleeve.
- This tapping stone is flush with the lining of the furnace.
- the cooling medium is passed only from the outside in or on the sleeve made of copper.
- the tapping channel is cooled indirectly, due to the high thermal conductivity of the copper sleeve. No cooling medium is conducted into the interior of the oven, since the cooling channels in the sleeve are located only outside the furnace shell.
- the natural leaching by hot slag / metal, etc. are minimized and the tapping channel is retained in the preconfigured form.
- the position / position of the tap hole is defined.
- the lining around the tap hole remains intact.
- the used / worn tapping stones can be easily removed.
- the cooling device according to the invention enables easy / easy installation of the new tapping stones, whereby inexpensive standard stone formats can be used.
- Fig. 1 in a sectional side view of a tapping channel in a known
- FIG. 2 is a sectional plan view of the tapping channel of Figure 1, Fig. 3 in a sectional side view of a tapping channel according to the invention and
- FIG. 4 is a sectional plan view of the tapping channel of FIG. 3rd
- a tapping channel 1 is shown in a known embodiment, which is arranged in a taphole 2 of a furnace consisting of furnace wall 3 and lining 4.
- FIG. 2 shows the tapping channel 1 from FIG. 1 in a sectional top view.
- the tapping channel 1 consists of several tapping stones 5, 6, 7, 8.
- the tapping stone 1 points towards the interior of the furnace and the tapping stones 7, 8 are located outside the furnace wall 3 and are of a sheet metal construction 9 Surrounded by stabilization.
- FIG. 3 shows the tapping channel 1 according to the invention in a sectional side view.
- Three tapping stones 10, 11, 12 are arranged in a tapping hole 2, wherein the tapping stone 10 pointing into the interior of the furnace terminates flush with the lining 4 of the furnace.
- the outer tapping stone 12 facing away from the furnace projects beyond the furnace wall 3 of the furnace.
- a projection 13 is attached to the furnace wall to support the tapping stone 12.
- the tapping stones 11, 12 are surrounded by a cooling device in the form of a sleeve 14.
- the sleeve 14 is flush with the end face of the tapping stone 12 on the outside of the furnace.
- the sleeve 14 protrudes partially into the lining 4 of the furnace.
- the direct area on the furnace inner wall is not included by the sleeve 14.
- the last tapping stone 10 pointing into the interior of the oven is not enclosed by the sleeve.
- the tapping channel 1 is shown in a sectional plan view.
- the sleeve 14, which consists for example of solid copper, is in their from the Furnace wall 3 outwardly projecting region with a cooling channel 15 which is annular in the embodiment shown.
- ports 16, 17 are provided for the cooling water supply and the cooling water discharge.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Furnace Charging Or Discharging (AREA)
- Discharge Heating (AREA)
- Cookers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005038172A DE102005038172B4 (en) | 2005-08-12 | 2005-08-12 | Tapping channel for a metallurgical furnace |
PCT/EP2006/006745 WO2007019917A1 (en) | 2005-08-12 | 2006-07-11 | Tapping channel for a metallurgical furnace |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1913322A1 true EP1913322A1 (en) | 2008-04-23 |
EP1913322B1 EP1913322B1 (en) | 2015-12-02 |
Family
ID=37225504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06776176.7A Not-in-force EP1913322B1 (en) | 2005-08-12 | 2006-07-11 | Tapping channel for a metallurgical furnace |
Country Status (8)
Country | Link |
---|---|
US (1) | US7850903B2 (en) |
EP (1) | EP1913322B1 (en) |
CN (1) | CN101238344B (en) |
BR (1) | BRPI0614584B1 (en) |
DE (1) | DE102005038172B4 (en) |
NO (1) | NO339663B1 (en) |
WO (1) | WO2007019917A1 (en) |
ZA (1) | ZA200800014B (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008036790B4 (en) * | 2008-08-07 | 2014-05-15 | Tmt Tapping-Measuring-Technology Gmbh | Tapping channel for the discharge of iron and metal melts and liquid slag from metallurgical containers, such as blast furnaces and furnaces |
DE102008036791A1 (en) * | 2008-08-07 | 2010-02-11 | Tmt Tapping-Measuring-Technology Gmbh | Method and melt channels for interrupting and restoring the melt stream of iron and metal melts, in particular in taphole channels of blast furnaces and outflow channels of melting furnaces |
CN202660917U (en) * | 2012-05-28 | 2013-01-09 | 奥图泰有限公司 | Tapping hole assembly and metallurgical furnace |
CN103185461A (en) * | 2013-04-09 | 2013-07-03 | 泰州振昌工业废渣综合利用有限责任公司 | External slag notch structure of melting, reduction and modification furnace |
EP2998672A1 (en) * | 2014-09-17 | 2016-03-23 | Refractory Intellectual Property GmbH & Co. KG | Tapping of a metallurgical vessel, in particular an electric arc furnace |
JP6905480B2 (en) * | 2018-02-05 | 2021-07-21 | パンパシフィック・カッパー株式会社 | Tap hole structure of metal refining furnace |
CN110195982B (en) * | 2019-06-27 | 2024-05-10 | 米易锦秀机械制造有限公司 | Two-section detachable plug |
CN110174001A (en) * | 2019-06-27 | 2019-08-27 | 米易锦秀机械制造有限公司 | The detachable plug of three-stage |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6344102B1 (en) | 1997-06-18 | 2002-02-05 | Advanced Design Concepts Gmbh | Embossing method for producing a structured voluminous nonwoven |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4498610A (en) * | 1981-10-13 | 1985-02-12 | Wooding | Ultrahigh velocity water-cooled copper taphole |
CH660701A5 (en) * | 1983-08-18 | 1987-06-15 | Metacon Ag | DEVICE FOR DETECTING THE PRESENCE OF METALLIC MELT IN A FLOW CHANNEL OF A METALLURGICAL OVEN OR A SPRAYER. |
SE454208B (en) * | 1986-02-24 | 1988-04-11 | Asea Ab | SET FOR SEPARATION OF INCLUSIONS IN METAL MELTER AND DEVICE FOR IMPLEMENTATION OF THE SET |
JPH05331521A (en) | 1992-06-01 | 1993-12-14 | Kawasaki Steel Corp | Steel tapping hole in refining furnace for steel-making |
DE69419598T2 (en) * | 1993-12-28 | 2000-01-13 | Kawasaki Steel Co | Tapping process for blast furnaces |
JP3031541B2 (en) * | 1997-04-14 | 2000-04-10 | 住友重機械鋳鍛株式会社 | Tundish nozzle changer for continuous casting machine |
DE10009193A1 (en) * | 1999-03-16 | 2000-09-21 | Sms Demag Ag | Rack gutter for a shaft furnace |
DE19960717A1 (en) * | 1999-12-15 | 2001-06-28 | Didier Werke Ag | Molten metal, especially steel, tapping channel of a furnace crucible has a bolt to cover the inlet in the crucible, a plug closure at the outlet, and an induction coil for heating the ceramic tapping channel wall |
-
2005
- 2005-08-12 DE DE102005038172A patent/DE102005038172B4/en not_active Expired - Fee Related
-
2006
- 2006-07-11 BR BRPI0614584-1A patent/BRPI0614584B1/en not_active IP Right Cessation
- 2006-07-11 EP EP06776176.7A patent/EP1913322B1/en not_active Not-in-force
- 2006-07-11 CN CN2006800292662A patent/CN101238344B/en not_active Expired - Fee Related
- 2006-07-11 WO PCT/EP2006/006745 patent/WO2007019917A1/en active Application Filing
- 2006-07-11 US US11/990,155 patent/US7850903B2/en active Active
-
2008
- 2008-01-07 ZA ZA200800014A patent/ZA200800014B/en unknown
- 2008-01-29 NO NO20080545A patent/NO339663B1/en not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6344102B1 (en) | 1997-06-18 | 2002-02-05 | Advanced Design Concepts Gmbh | Embossing method for producing a structured voluminous nonwoven |
Also Published As
Publication number | Publication date |
---|---|
BRPI0614584B1 (en) | 2019-05-28 |
US20100127023A1 (en) | 2010-05-27 |
NO20080545L (en) | 2008-02-06 |
ZA200800014B (en) | 2009-03-25 |
BRPI0614584A2 (en) | 2011-04-05 |
EP1913322B1 (en) | 2015-12-02 |
CN101238344A (en) | 2008-08-06 |
CN101238344B (en) | 2010-06-23 |
DE102005038172B4 (en) | 2013-01-03 |
DE102005038172A1 (en) | 2007-02-15 |
NO339663B1 (en) | 2017-01-23 |
US7850903B2 (en) | 2010-12-14 |
WO2007019917A1 (en) | 2007-02-22 |
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