JPS6465221A - Method for controlling flowing speed distribution of furnace gas in blast furnace - Google Patents
Method for controlling flowing speed distribution of furnace gas in blast furnaceInfo
- Publication number
- JPS6465221A JPS6465221A JP22142487A JP22142487A JPS6465221A JP S6465221 A JPS6465221 A JP S6465221A JP 22142487 A JP22142487 A JP 22142487A JP 22142487 A JP22142487 A JP 22142487A JP S6465221 A JPS6465221 A JP S6465221A
- Authority
- JP
- Japan
- Prior art keywords
- distribution
- radius direction
- sintered ore
- found
- reduction
- 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
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/24—Test rods or other checking devices
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Iron (AREA)
Abstract
PURPOSE:To control distribution of gas flowing speed in radius direction at high accuracy by finding reduction ratio of sintered ore and decreased quantity of hematite from gas composition and temp. in a blast furnace, further finding reduction powderized quantity and the gas flowing distribution in the radius direction and adjusting distribution of charging raw material in the radius direction. CONSTITUTION:The gas composition and temp. in the blast furnace 1 are measured by a measuring part 7 in measuring instruments 5 and modulated to the prescribed signal by an input device 11 to input into an arithmetic unit 12. In the arithmetic unit 12, grain size distribution of the sintered ore at the time of charging and sintered characteristic are beforehand inputted as the initial condition, and the reduction ratio of the sintered ore charged is found based on measured gas composition, and from this reduction ratio, the decreased quantity of the hematite in the sintered ore is found. Next, based on the decreased quantity of the hematite and the measured temp., the reduction powderized quantity in the sintered ore is found and by this reduction powderized quantity, the gas flowing distribution in the radius direction is found and stroke of a movable armor 8 is adjusted through a control device 13 to control the distribution of the gas flowing speed in the radius direction to the suitable value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22142487A JPS6465221A (en) | 1987-09-04 | 1987-09-04 | Method for controlling flowing speed distribution of furnace gas in blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22142487A JPS6465221A (en) | 1987-09-04 | 1987-09-04 | Method for controlling flowing speed distribution of furnace gas in blast furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6465221A true JPS6465221A (en) | 1989-03-10 |
Family
ID=16766526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22142487A Pending JPS6465221A (en) | 1987-09-04 | 1987-09-04 | Method for controlling flowing speed distribution of furnace gas in blast furnace |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6465221A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007072899A1 (en) | 2005-12-21 | 2007-06-28 | Nec Lighting, Ltd. | Yellow light-emitting phosphor and white light-emitting device using same |
| CN106521059A (en) * | 2016-09-23 | 2017-03-22 | 武汉钢铁股份有限公司 | Method for controlling blast furnace gas flow distribution by using phased array radar to measure ore coke ratio of blast furnace material surface |
-
1987
- 1987-09-04 JP JP22142487A patent/JPS6465221A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007072899A1 (en) | 2005-12-21 | 2007-06-28 | Nec Lighting, Ltd. | Yellow light-emitting phosphor and white light-emitting device using same |
| CN106521059A (en) * | 2016-09-23 | 2017-03-22 | 武汉钢铁股份有限公司 | Method for controlling blast furnace gas flow distribution by using phased array radar to measure ore coke ratio of blast furnace material surface |
| CN106521059B (en) * | 2016-09-23 | 2018-07-10 | 武汉钢铁有限公司 | Blast furnace charge level ore coke ratio is measured with phased-array radar to control the method for blast furnace air flow method |
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