JPS5719315A - Slag cutting device used for converter or the like and tapping method - Google Patents
Slag cutting device used for converter or the like and tapping methodInfo
- Publication number
- JPS5719315A JPS5719315A JP9204980A JP9204980A JPS5719315A JP S5719315 A JPS5719315 A JP S5719315A JP 9204980 A JP9204980 A JP 9204980A JP 9204980 A JP9204980 A JP 9204980A JP S5719315 A JPS5719315 A JP S5719315A
- Authority
- JP
- Japan
- Prior art keywords
- stopper
- converter
- arm
- slag
- nozzle
- 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
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
-
- 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
- C21C5/4653—Tapholes; Opening or plugging thereof
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
PURPOSE:To quickly cut slag and prevent slag inclusion into molten steel flow under tapping by suspending a nozzle stopper to the leading end of a stopper supporting arm, providing driving mechanisms in front of a furnace port and operating the arm according to purposes. CONSTITUTION:A nozzle stopper 5 is suspended to the leading end of a nozzle supporting arm 4, and is inserted into a converter 2 by integrally or discretely driving an arm swiveling mechanism, an arm elevating mechanism 11, an arm eifting mechanism 13 and an arm extending mechanism 7 provided on the working surface on the rear side of the converter 2 or the like. When the converter 2 tilts down to a tapping angle, the nozzle stopper 5 is lowered to adjust the clearance between the stopper 5 and the converter 2, through which the molten steel is tapped. After the tapping, the stopper 5 is lowered again to cut the slag; at the same time, a steel receiving pan is moved to a teeming shop and the converter 2 is returned to the original position. Thence, the stopper 5 is moved upward and the entire slag cut device is retreated.
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9204980A JPS5719315A (en) | 1980-07-05 | 1980-07-05 | Slag cutting device used for converter or the like and tapping method |
US06/278,117 US4431169A (en) | 1980-07-05 | 1981-06-29 | Method and apparatus for preventing the inclusion of slag into the molten steel tapped from a converter |
KR1019810002361A KR860000876B1 (en) | 1980-07-05 | 1981-06-30 | Method prevention of slay mixing |
CA000381040A CA1189698A (en) | 1980-07-05 | 1981-07-03 | Method and apparatus for preventing the inclusion of slag into the molten steel tapped from a converter |
AU72542/81A AU528085B2 (en) | 1980-07-05 | 1981-07-03 | Preventing slag inclusion in molten steel |
GB8120791A GB2079423B (en) | 1980-07-05 | 1981-07-06 | Method and apparatus for preventing the inclusion of slag into molten steel |
DE3126559A DE3126559C2 (en) | 1980-07-05 | 1981-07-06 | Device to prevent slag from being carried away from a converter |
US06/381,616 US4478392A (en) | 1980-07-05 | 1982-05-24 | Method for preventing the inclusion of slag into the molten steel taped from a converter |
GB08334443A GB2140541B (en) | 1980-07-05 | 1983-12-23 | Method for preventing the inclusion of slag into molten steel |
GB08334444A GB2140542B (en) | 1980-07-05 | 1983-12-23 | Apparatus for preventing the inclusion of slag into molten steel |
KR1019840004767A KR860000013B1 (en) | 1980-07-05 | 1984-08-09 | Apparatus for preventing the inclusion of slag into the molten steel tapped from a convertor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9204980A JPS5719315A (en) | 1980-07-05 | 1980-07-05 | Slag cutting device used for converter or the like and tapping method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5719315A true JPS5719315A (en) | 1982-02-01 |
JPS622605B2 JPS622605B2 (en) | 1987-01-21 |
Family
ID=14043650
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9204980A Granted JPS5719315A (en) | 1980-07-05 | 1980-07-05 | Slag cutting device used for converter or the like and tapping method |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS5719315A (en) |
KR (1) | KR860000013B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114317877A (en) * | 2021-12-31 | 2022-04-12 | 马鞍山市雨山冶金新材料有限公司 | Slag blocking device capable of being replaced quickly and online for super-large converter and quick replacement method |
-
1980
- 1980-07-05 JP JP9204980A patent/JPS5719315A/en active Granted
-
1984
- 1984-08-09 KR KR1019840004767A patent/KR860000013B1/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114317877A (en) * | 2021-12-31 | 2022-04-12 | 马鞍山市雨山冶金新材料有限公司 | Slag blocking device capable of being replaced quickly and online for super-large converter and quick replacement method |
Also Published As
Publication number | Publication date |
---|---|
JPS622605B2 (en) | 1987-01-21 |
KR850002022A (en) | 1985-04-10 |
KR860000013B1 (en) | 1986-01-30 |
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