JPS6479589A - Method and device for blowing powdered body - Google Patents
Method and device for blowing powdered bodyInfo
- Publication number
- JPS6479589A JPS6479589A JP23631187A JP23631187A JPS6479589A JP S6479589 A JPS6479589 A JP S6479589A JP 23631187 A JP23631187 A JP 23631187A JP 23631187 A JP23631187 A JP 23631187A JP S6479589 A JPS6479589 A JP S6479589A
- Authority
- JP
- Japan
- Prior art keywords
- blowing
- tank
- gas
- powder
- molten metal
- 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.)
- Pending
Links
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Furnace Charging Or Discharging (AREA)
Abstract
PURPOSE: To reduce adhesion of base metal to a molten metal tank by keeping stable blowing with high pressure gas from a buffer tank upon starting the blowing and during the blowing when powder is blown into the molten metal, and closing passages of the buffer tank and a blowing tank upon final end of the blowing to restrict the amount of gas blowing through the molten metal. CONSTITUTION: Powder 13 is put into a blowing tank 1, and there are opened a gas supply valve 5, an automated valve 6, and an automated shutoff valve 7 to pressurized the inside of a blowing tank 1. Then, a feeder 2 and a powder fluid supply valve 8 are opened, and the powder is ejected with gas pressure on a uniform pressure line 11 and is blown into the molten cast after passage through a blowing line 12. The blowing tank 1 that is connected with a buffer tank 3 is restricted in pressure variations therein, and hence stable blowing is kept. Although upon final end of the blowing only gas in the blowing tank 1 is blown through the molten cast, the amount of gas and gas pressure are small, and hence is reduced in the amount not adhesion of base metal to a wall and a cover of a molten metal tank caused by splash of the melt. Further, since the blowing tank is filled with the powder so that the capacity of the tank is reduced.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23631187A JPS6479589A (en) | 1987-09-22 | 1987-09-22 | Method and device for blowing powdered body |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23631187A JPS6479589A (en) | 1987-09-22 | 1987-09-22 | Method and device for blowing powdered body |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6479589A true JPS6479589A (en) | 1989-03-24 |
Family
ID=16998918
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP23631187A Pending JPS6479589A (en) | 1987-09-22 | 1987-09-22 | Method and device for blowing powdered body |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6479589A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012219318A (en) * | 2011-04-07 | 2012-11-12 | Nippon Steel Corp | Refining equipment for blowing powder into molten steel, leakage detecting method of powder blowing tank, and program |
-
1987
- 1987-09-22 JP JP23631187A patent/JPS6479589A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012219318A (en) * | 2011-04-07 | 2012-11-12 | Nippon Steel Corp | Refining equipment for blowing powder into molten steel, leakage detecting method of powder blowing tank, and program |
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