FI84888B - Gasspolsten. - Google Patents

Gasspolsten. Download PDF

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Publication number
FI84888B
FI84888B FI886027A FI886027A FI84888B FI 84888 B FI84888 B FI 84888B FI 886027 A FI886027 A FI 886027A FI 886027 A FI886027 A FI 886027A FI 84888 B FI84888 B FI 84888B
Authority
FI
Finland
Prior art keywords
gas
stone
intermediate space
wear
flushing
Prior art date
Application number
FI886027A
Other languages
English (en)
Finnish (fi)
Other versions
FI84888C (sv
FI886027A (fi
Inventor
Hans Rothfuss
Manfred Winkelmann
Herbert Metzger
Original Assignee
Didier Werke 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 Didier Werke Ag filed Critical Didier Werke Ag
Publication of FI886027A publication Critical patent/FI886027A/fi
Application granted granted Critical
Publication of FI84888B publication Critical patent/FI84888B/fi
Publication of FI84888C publication Critical patent/FI84888C/sv

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
    • B22D1/002—Treatment with gases
    • B22D1/005—Injection assemblies therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Gas Burners (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Glass Compositions (AREA)
  • Gas Separation By Absorption (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Ceramic Products (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Colloid Chemistry (AREA)
  • Detergent Compositions (AREA)
  • Cleaning Or Drying Semiconductors (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Claims (7)

1. Gasspolsten av eldfast keramiskt material, vil-ken stens avnötningstillständ är optiskt observerbart och 5. vilken i en yttre kropp har placerats en inre kropp, kännetecknad därav, att gasspolstenen uppvisar ett gasgenomsläppligt mellanutrymme (3), att mellanutrym-met (3) har olika geometriska former i avnötningsrikt-ningen, sä att dä gasen strömmar genom mellanutrymmet (3) 10 syns pä gasspolstenens yta olika geometriska mönster som motsvarar det ifrägavarande avnötningstillständet.
2. Gasspolsten enligt patentkravet 1, kännetecknad därav, att mellanutrymmet (3) är beläget mellan den av spolstensmaterial bestäende yttre kroppen 15 (1) och den av spolstensmaterial bestäende inre kroppen (9) och utgör en springa.
3. Gasspolsten enligt patentkravet 2, kännetecknad därav, att springan har samma bredd genom-gäende.
4. Gasspolsten enligt patentkravet 1, känne tecknad därav, att mellanutrymmet (3) bildas av en i den yttre kroppen (1) anordnad permeabel kropp.
5. Gasspolsten enligt nägot av de föregäende patent kr aven, kännetecknad därav, att mellan- .: 25 utrymmet (3) befinner sig mellan den yttre kroppen, som bildas av spolstenens plätmantel (10), och spolstenens Övre del (11) och mellan denna och spolstenens undre del (12).
6. Gasspolsten enligt nägot av de föregäende pa-30 tentkraven, kännetecknad därav, att det geometriska mönstret syns som en flambild i samband med gas-genomströmningen.
7. Gasspolsten enligt nägot av patentkraven 1-5, kännetecknad därav, att det geometriska mönst- .---. 35 ret syns som en mörk zon i samband med gasgenomström-ningen.
FI886027A 1988-01-29 1988-12-29 Gasspolsten FI84888C (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3802657A DE3802657C1 (sv) 1988-01-29 1988-01-29
DE3802657 1988-01-29

Publications (3)

Publication Number Publication Date
FI886027A FI886027A (fi) 1989-07-30
FI84888B true FI84888B (fi) 1991-10-31
FI84888C FI84888C (sv) 1992-02-10

Family

ID=6346246

Family Applications (1)

Application Number Title Priority Date Filing Date
FI886027A FI84888C (sv) 1988-01-29 1988-12-29 Gasspolsten

Country Status (11)

Country Link
US (1) US5202079A (sv)
EP (1) EP0325709B1 (sv)
JP (1) JP2597509B2 (sv)
KR (1) KR960008885B1 (sv)
CN (1) CN1014904B (sv)
AT (1) ATE126545T1 (sv)
CA (1) CA1327268C (sv)
DE (2) DE3802657C1 (sv)
ES (1) ES2076936T3 (sv)
FI (1) FI84888C (sv)
ZA (1) ZA89412B (sv)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4014509A1 (de) * 1990-05-07 1991-11-14 Didier Werke Ag Gasspueler
DE4039232C2 (de) * 1990-12-08 1995-01-19 Didier Werke Ag Verfahren zur Herstellung eines Gasspülsteins und Gasspülstein
US5330160A (en) * 1993-05-11 1994-07-19 Martin & Pagenstecher, Inc. Gas stir plug wear indicator including low melting point component and method of use
US5421561A (en) * 1993-11-15 1995-06-06 Martin & Pagenstecher, Inc. Gas stir devices with refractory material erosion depth indicator and method of making the same
DE4406563A1 (de) * 1994-02-23 1995-08-24 Matthias Keuter Düsenrohr für blasende Sauerstoffaufblas-Konverter
DE19504941C2 (de) * 1995-02-15 1998-05-20 Knoellinger Horst Gasspülstein
US5478053A (en) * 1995-04-10 1995-12-26 North American Refractories Co. Inc. Refractory gas purging device
DE19619204C1 (de) * 1996-05-11 1997-05-22 Veitsch Radex Ag Gasspüleinrichtung
BR9900824A (pt) * 1999-03-01 2000-03-14 Magnesita S A Sistema de injeção de gases em recipientes contendo metais ou ligas fundidas.
DE19954918C2 (de) * 1999-11-16 2001-09-20 Veitsch Radex Gmbh Wien Feuerfester keramischer Gasspülstein
JP2009046756A (ja) * 2007-08-23 2009-03-05 Tokyo Yogyo Co Ltd ガス吹込みプラグ
CN101526224B (zh) * 2008-03-04 2010-11-03 苏州博能炉窑科技有限公司 蓄热烧嘴砖
RU2626696C2 (ru) 2012-02-07 2017-07-31 Везувиус Крусибл Компэни Продувочная пробка для газа, содержащая индикаторы износа
KR101819913B1 (ko) * 2016-09-19 2018-01-18 한국내화 주식회사 다단형 포러스 플러그

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU82051A1 (fr) * 1980-01-02 1981-09-10 Arbed Equipement du fond d'un recipient metallurgique pour l'injection de gaz dans un bain de metal
SE8106056L (sv) * 1981-05-27 1982-11-28 Aikoh Co Poros plugg for gjutmetallkerl
FR2518240A1 (fr) * 1981-12-16 1983-06-17 Siderurgie Fse Inst Rech Element refractaire permeable pour l'introduction d'un fluide de brassage dans un bain de metal en fusion
US4462576A (en) * 1982-02-24 1984-07-31 Didier-Werke Ag Apparatus for supplying gas through the wall of a metallurgical container
AT386072B (de) * 1983-07-18 1988-06-27 Radex Deutschland Ag Feuerfester stein, insbesondere gasspuelstein
DE3441223A1 (de) * 1984-11-10 1986-05-15 Lichtenberg Feuerfest GmbH, 5200 Siegburg Spueleinsatz
DE3503221A1 (de) * 1985-01-31 1986-08-14 Didier-Werke Ag, 6200 Wiesbaden Feuerfester gasdurchlaessiger stein
DE3519379A1 (de) * 1985-05-30 1986-12-04 Klöckner-Humboldt-Deutz AG, 5000 Köln Ueberwachung des verschleisses von blasduesen bei metallurgischen verfahren
DE3523171C1 (de) * 1985-06-28 1986-10-30 Didier-Werke Ag, 6200 Wiesbaden Gasspueleinrichtung
DE3526391A1 (de) * 1985-07-24 1987-02-05 Werner Fischer Verfahren und vorrichtung zur feststellung des verschleisses von feuerfest-steinen
DE3538498A1 (de) * 1985-10-30 1987-05-07 Didier Werke Ag Einduesvorrichtung fuer metallurgische gefaesse
FR2590974B1 (fr) * 1985-12-03 1991-01-25 Detalle Pol Dispositif de detection de l'usure de briques d'insufflation de fluides dans des metaux liquides
JPH0343221Y2 (sv) * 1986-11-14 1991-09-10

Also Published As

Publication number Publication date
FI84888C (sv) 1992-02-10
EP0325709A2 (de) 1989-08-02
US5202079A (en) 1993-04-13
JP2597509B2 (ja) 1997-04-09
KR890012118A (ko) 1989-08-24
DE3854325D1 (de) 1995-09-21
ATE126545T1 (de) 1995-09-15
EP0325709A3 (en) 1990-01-24
CN1036522A (zh) 1989-10-25
EP0325709B1 (de) 1995-08-16
DE3802657C1 (sv) 1989-09-21
KR960008885B1 (ko) 1996-07-05
CN1014904B (zh) 1991-11-27
ES2076936T3 (es) 1995-11-16
FI886027A (fi) 1989-07-30
ZA89412B (en) 1989-10-25
JPH01301813A (ja) 1989-12-06
CA1327268C (en) 1994-03-01

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Owner name: DIDIER- WERKE A.G