RU2006139774A - LIQUID METAL PURGING DEVICE - Google Patents

LIQUID METAL PURGING DEVICE Download PDF

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Publication number
RU2006139774A
RU2006139774A RU2006139774/02A RU2006139774A RU2006139774A RU 2006139774 A RU2006139774 A RU 2006139774A RU 2006139774/02 A RU2006139774/02 A RU 2006139774/02A RU 2006139774 A RU2006139774 A RU 2006139774A RU 2006139774 A RU2006139774 A RU 2006139774A
Authority
RU
Russia
Prior art keywords
rod
filler
conical
shaped
purge
Prior art date
Application number
RU2006139774/02A
Other languages
Russian (ru)
Inventor
Шрафен Томас (DE)
Шрафен Томас
Шраден Петер (DE)
Шраден Петер
Original Assignee
ПА-ХА-ДЖИ Фоерфесте Эрцойгниссе ГмбХ энд Ко.КГ (DE)
ПА-ХА-ДЖИ Фоерфесте Эрцойгниссе ГмбХ энд Ко.КГ
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 ПА-ХА-ДЖИ Фоерфесте Эрцойгниссе ГмбХ энд Ко.КГ (DE), ПА-ХА-ДЖИ Фоерфесте Эрцойгниссе ГмбХ энд Ко.КГ filed Critical ПА-ХА-ДЖИ Фоерфесте Эрцойгниссе ГмбХ энд Ко.КГ (DE)
Publication of RU2006139774A publication Critical patent/RU2006139774A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D1/00Treatment of fused masses in the ladle or the supply runners before casting
    • B22D1/002Treatment with gases
    • B22D1/005Injection assemblies therefor
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/42Constructional features of converters
    • C21C5/46Details or accessories
    • C21C5/48Bottoms or tuyéres of converters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00Charging; Discharging; Manipulation of charge
    • F27D3/16Introducing a fluid jet or current into the charge

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Cleaning In General (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Claims (8)

1. Устройство продувки конической формы для металлургических ковшей со стержнем (1), содержащим внутри продувочные каналы, и охватывающим стержень (1) наполнителем (4); при этом стержень проходит по оси от стороны (3), отторгнутой от расплава, до стороны (2), обращенной к расплаву, отличающееся тем, что стержень (1) выполнен как формовочная деталь раздельно от наполнителя (4) и в направлении по оси имеет наружный контур, обеспечивающий геометрическое замыкание; при этом контур свободен от металлических конструктивных деталей.1. A conical-shaped purge device for metallurgical ladles with a rod (1) containing inside the purge channels and a filler (4) covering the rod (1); wherein the rod extends along the axis from the side (3) torn away from the melt, to the side (2) facing the melt, characterized in that the rod (1) is made as a molding part separately from the filler (4) and in the direction along the axis external circuit providing a geometric circuit; while the circuit is free from metal structural parts. 2. Устройство продувки конической формы по п.1, отличающееся тем, что по контуру стержня минимум на отдельных его участках поперек оси располагаются выемки и выпуклости.2. The cone-shaped blowdown device according to claim 1, characterized in that recesses and bulges are located along the contour of the rod at least in its individual sections across the axis. 3. Устройство продувки конической формы по п.1, отличающееся тем, что по контуру стержня образованы рубцы, перемычки или шейки сужения.3. The cone-shaped purge device according to claim 1, characterized in that scars, bridges or narrowing neck are formed along the contour of the rod. 4. Устройство продувки конической формы по п.1, отличающееся тем, что контур не имеет распорок или анкеровки.4. The conical purge device according to claim 1, characterized in that the circuit does not have spacers or anchors. 5. Устройство продувки конической формы по любому из пп.1-4, отличающееся тем, что стержень (1) изготавливается из крупнозернистого керамического бетона.5. A conical-shaped blowdown device according to any one of claims 1 to 4, characterized in that the shaft (1) is made of coarse-grained ceramic concrete. 6. Устройство продувки конической формы по любому из пп.1-4, отличающееся тем, что наполнитель (4) изготавливается из крупнозернистого керамического бетона и не имеет внутри каналов продувки.6. A conical-shaped blowdown device according to any one of claims 1 to 4, characterized in that the filler (4) is made of coarse-grained ceramic concrete and does not have purge channels inside. 7. Способ изготовления устройства продувки конической формы для металлургических ковшов включающий следующие стадии: формовка стержня (1) из крупнозернистого керамического бетона с наружной поверхностью, имеющей выемки и выпуклости, с содержащимися внутри стержня сгораемыми формовочными деталями; обжиг стержня (1) при температуре свыше 1000°С, так что формовочные детали по существу сгорают без остатка; охлаждение стержня (1) и облицовка стержня (1) наполнителем (4) в форме; отверждение наполнителя (4) при низкой температуре; отжиг устройства при температуре ниже 1000°С, а также облицовка наполнителя рубашкой из листовой стали.7. A method of manufacturing a conical-shaped blowdown device for metallurgical ladles comprising the following steps: forming a core (1) from coarse-grained ceramic concrete with an outer surface having recesses and bulges, with combustible molding parts contained within the core; firing the rod (1) at a temperature above 1000 ° C, so that the molding parts essentially burn without residue; cooling the rod (1) and lining the rod (1) with filler (4) in the mold; curing filler (4) at low temperature; annealing the device at temperatures below 1000 ° C, as well as lining the filler with a sheet steel jacket. 8. Способ по п.7, отличающийся тем, что отжиг производится в пределах 400-600°С.8. The method according to claim 7, characterized in that the annealing is carried out within 400-600 ° C.
RU2006139774/02A 2005-12-15 2006-11-10 LIQUID METAL PURGING DEVICE RU2006139774A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005060432A DE102005060432A1 (en) 2005-12-15 2005-12-15 flushing cones
DE102005060432.3 2005-12-15

Publications (1)

Publication Number Publication Date
RU2006139774A true RU2006139774A (en) 2008-05-20

Family

ID=37909662

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2006139774/02A RU2006139774A (en) 2005-12-15 2006-11-10 LIQUID METAL PURGING DEVICE

Country Status (5)

Country Link
EP (1) EP1797976A3 (en)
CN (1) CN101012488A (en)
BR (1) BRPI0605215A (en)
DE (1) DE102005060432A1 (en)
RU (1) RU2006139774A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2111938B1 (en) * 2008-04-24 2017-04-19 Calderys France Purging plug for blowing gas into a metal treatment recipient
DE202009014246U1 (en) 2009-10-22 2009-12-24 Knöllinger Keramische Verschleißteile GmbH gas sink
CN108138247B (en) * 2016-02-25 2022-06-07 日本制铁株式会社 Gas blowing nozzle

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT28667B (en) 1906-09-26 1907-06-10 Siemens Ag Process for the manufacture of capacitors.
FR2516938B1 (en) * 1981-11-23 1986-06-06 Usinor DEVICE FOR INTRODUCING GAS INTO THE LIQUID METAL BATH
DE3433349C2 (en) * 1984-09-11 1987-04-23 Micheal Donald Ellwood City Pa. Labate Device for introducing gas into a molten metal
DE3815664C1 (en) * 1988-05-07 1989-06-15 Burbach & Bender Ohg Esb Schweissbetrieb, 5900 Siegen, De Gas bubble brick for metallurgical vessels and method for its manufacture
CA2014999C (en) * 1989-04-24 1999-09-07 Kenneth William Bates Gas injector
US5573724A (en) * 1994-07-29 1996-11-12 Magneco/Metrel, Inc. Ladle port assembly
DE19619204C1 (en) * 1996-05-11 1997-05-22 Veitsch Radex Ag Gas flushing system
DE19846524A1 (en) * 1998-10-09 2000-04-13 Knoellinger Keramische Erzeugn Flushing stone used in the refractory wall of a metallurgical vessel has a seam formed between an outer stone and an inner stone
EP1243361A1 (en) * 2001-03-19 2002-09-25 Vesuvius Crucible Company Apparatus for injecting gas into molten metal

Also Published As

Publication number Publication date
EP1797976A3 (en) 2008-06-25
CN101012488A (en) 2007-08-08
EP1797976A2 (en) 2007-06-20
BRPI0605215A (en) 2007-10-09
DE102005060432A1 (en) 2007-06-21

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Legal Events

Date Code Title Description
FA92 Acknowledgement of application withdrawn (lack of supplementary materials submitted)

Effective date: 20090615