JPS5641316A - Heating method for steel bloom in soaking furnace - Google Patents
Heating method for steel bloom in soaking furnaceInfo
- Publication number
- JPS5641316A JPS5641316A JP11638379A JP11638379A JPS5641316A JP S5641316 A JPS5641316 A JP S5641316A JP 11638379 A JP11638379 A JP 11638379A JP 11638379 A JP11638379 A JP 11638379A JP S5641316 A JPS5641316 A JP S5641316A
- Authority
- JP
- Japan
- Prior art keywords
- furnace
- steel material
- heated
- burner
- piled
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/70—Furnaces for ingots, i.e. soaking pits
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
PURPOSE:To heat steel material uniformly at an excellent heat efficiency in a soaking furnace for bloom, by equipping an auxiliary burner at the lower part of the inner wall of a furnace, to which a heating burner is installed, in order to heat the lower part of the steel material piled in the furnace. CONSTITUTION:Steel material 3 such as bloom is piled crosswise in two parallels in a soaking furnace 1 for the steel material 3 and is heated with a combustion flame of a burner 2 attached at the upper part of the furnace wall 1-1, the exhaust gas being discharged through the lower flue 4. The lower portion 3-3 of the piled steel material 3 is heated at a slower rate, hence an auxiliary burner 6 is installed at the lower part of the same furnace wall 1-1, at the same time, the inlet 4-1 of the flue 4 is decreased in size to the irreducible minimum of a demand. The auxiliary burner 6 is of rapidly burning short flame type and it burns fuel corresponding in quantity of 1/10-1/3 that burned in the soaking furnace. The lower layer portion 3-3, which is insufficiently heated only by the burner 2, is heated rapidly, so that the whole steel material 3 is heated uniformly in a short time, and the heat efficiency of the furnace with reduced consumption of fuel per unit product is improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11638379A JPS5641316A (en) | 1979-09-11 | 1979-09-11 | Heating method for steel bloom in soaking furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11638379A JPS5641316A (en) | 1979-09-11 | 1979-09-11 | Heating method for steel bloom in soaking furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5641316A true JPS5641316A (en) | 1981-04-18 |
Family
ID=14685643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11638379A Pending JPS5641316A (en) | 1979-09-11 | 1979-09-11 | Heating method for steel bloom in soaking furnace |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5641316A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019138528A (en) * | 2018-02-09 | 2019-08-22 | 大同特殊鋼株式会社 | Heating furnace and method for heating metal material |
-
1979
- 1979-09-11 JP JP11638379A patent/JPS5641316A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019138528A (en) * | 2018-02-09 | 2019-08-22 | 大同特殊鋼株式会社 | Heating furnace and method for heating metal material |
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