JPH0129846B2 - - Google Patents
Info
- Publication number
- JPH0129846B2 JPH0129846B2 JP61114305A JP11430586A JPH0129846B2 JP H0129846 B2 JPH0129846 B2 JP H0129846B2 JP 61114305 A JP61114305 A JP 61114305A JP 11430586 A JP11430586 A JP 11430586A JP H0129846 B2 JPH0129846 B2 JP H0129846B2
- Authority
- JP
- Japan
- Prior art keywords
- combustion
- hot air
- powdered fuel
- blast furnace
- rate
- 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.)
- Expired
Links
- 239000000446 fuel Substances 0.000 claims description 51
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 30
- 239000001301 oxygen Substances 0.000 claims description 30
- 229910052760 oxygen Inorganic materials 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 13
- 238000007664 blowing Methods 0.000 claims description 8
- 238000002485 combustion reaction Methods 0.000 description 64
- 238000002347 injection Methods 0.000 description 21
- 239000007924 injection Substances 0.000 description 21
- 230000000694 effects Effects 0.000 description 13
- 239000000843 powder Substances 0.000 description 12
- 239000003245 coal Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 6
- 238000011144 upstream manufacturing Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- 241000766026 Coregonus nasus Species 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/001—Injecting additional fuel or reducing agents
- C21B5/003—Injection of pulverulent coal
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Iron (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11430586A JPS62270709A (ja) | 1986-05-19 | 1986-05-19 | 高炉への粉体燃料吹込方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11430586A JPS62270709A (ja) | 1986-05-19 | 1986-05-19 | 高炉への粉体燃料吹込方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62270709A JPS62270709A (ja) | 1987-11-25 |
| JPH0129846B2 true JPH0129846B2 (enrdf_load_stackoverflow) | 1989-06-14 |
Family
ID=14634544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11430586A Granted JPS62270709A (ja) | 1986-05-19 | 1986-05-19 | 高炉への粉体燃料吹込方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62270709A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2627232B2 (ja) * | 1991-09-09 | 1997-07-02 | 新日本製鐵株式会社 | 高炉操業法 |
-
1986
- 1986-05-19 JP JP11430586A patent/JPS62270709A/ja active Granted
Non-Patent Citations (1)
| Title |
|---|
| THE JOINT SYMPOSIM JISI AND AIMM=1983 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62270709A (ja) | 1987-11-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |