JPH0314887B2 - - Google Patents
Info
- Publication number
- JPH0314887B2 JPH0314887B2 JP1357383A JP1357383A JPH0314887B2 JP H0314887 B2 JPH0314887 B2 JP H0314887B2 JP 1357383 A JP1357383 A JP 1357383A JP 1357383 A JP1357383 A JP 1357383A JP H0314887 B2 JPH0314887 B2 JP H0314887B2
- Authority
- JP
- Japan
- Prior art keywords
- reduction furnace
- ore
- reduced ore
- furnace
- reduced
- 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
- 230000009467 reduction Effects 0.000 claims description 56
- 238000003723 Smelting Methods 0.000 claims description 29
- 238000007664 blowing Methods 0.000 claims description 17
- 239000003575 carbonaceous material Substances 0.000 claims description 2
- 238000006722 reduction reaction Methods 0.000 description 53
- 239000000843 powder Substances 0.000 description 16
- 239000007789 gas Substances 0.000 description 13
- 238000002844 melting Methods 0.000 description 13
- 230000008018 melting Effects 0.000 description 13
- 239000008187 granular material Substances 0.000 description 9
- 239000003638 chemical reducing agent Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000012159 carrier gas Substances 0.000 description 4
- 230000004907 flux Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 229910044991 metal oxide Inorganic materials 0.000 description 4
- 150000004706 metal oxides Chemical class 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 229910000604 Ferrochrome Inorganic materials 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Iron (AREA)
- Furnace Charging Or Discharging (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1357383A JPS59140311A (ja) | 1983-01-28 | 1983-01-28 | 予備還元鉱石の輸送吹き込み装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1357383A JPS59140311A (ja) | 1983-01-28 | 1983-01-28 | 予備還元鉱石の輸送吹き込み装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59140311A JPS59140311A (ja) | 1984-08-11 |
| JPH0314887B2 true JPH0314887B2 (en]) | 1991-02-27 |
Family
ID=11836908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1357383A Granted JPS59140311A (ja) | 1983-01-28 | 1983-01-28 | 予備還元鉱石の輸送吹き込み装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59140311A (en]) |
-
1983
- 1983-01-28 JP JP1357383A patent/JPS59140311A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59140311A (ja) | 1984-08-11 |
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