JPS6245282B2 - - Google Patents
Info
- Publication number
- JPS6245282B2 JPS6245282B2 JP18711982A JP18711982A JPS6245282B2 JP S6245282 B2 JPS6245282 B2 JP S6245282B2 JP 18711982 A JP18711982 A JP 18711982A JP 18711982 A JP18711982 A JP 18711982A JP S6245282 B2 JPS6245282 B2 JP S6245282B2
- Authority
- JP
- Japan
- Prior art keywords
- blow
- transfer path
- reduction furnace
- ore
- reduced ore
- 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
- 238000012546 transfer Methods 0.000 claims description 42
- 230000009467 reduction Effects 0.000 claims description 38
- 230000005484 gravity Effects 0.000 claims description 21
- 238000003723 Smelting Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- 238000012856 packing Methods 0.000 claims description 9
- 239000007789 gas Substances 0.000 description 15
- 239000000843 powder Substances 0.000 description 11
- 238000002844 melting Methods 0.000 description 8
- 230000008018 melting Effects 0.000 description 8
- 239000012159 carrier gas Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000005054 agglomeration Methods 0.000 description 4
- 230000002776 aggregation Effects 0.000 description 4
- 238000007664 blowing Methods 0.000 description 4
- 230000004907 flux Effects 0.000 description 4
- 210000002837 heart atrium Anatomy 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 229910000604 Ferrochrome Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012256 powdered iron Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 238000013459 approach Methods 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
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002156 mixing Methods 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
- 239000008188 pellet Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010405 reoxidation reaction Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000012360 testing method 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
- C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
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 |
|---|---|---|---|
| JP18711982A JPS5976808A (ja) | 1982-10-25 | 1982-10-25 | 粉状予備還元鉱石の重力移送路の吹抜け防止方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18711982A JPS5976808A (ja) | 1982-10-25 | 1982-10-25 | 粉状予備還元鉱石の重力移送路の吹抜け防止方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5976808A JPS5976808A (ja) | 1984-05-02 |
| JPS6245282B2 true JPS6245282B2 (ko) | 1987-09-25 |
Family
ID=16200436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18711982A Granted JPS5976808A (ja) | 1982-10-25 | 1982-10-25 | 粉状予備還元鉱石の重力移送路の吹抜け防止方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5976808A (ko) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6109796B2 (ja) * | 2014-09-16 | 2017-04-05 | 三菱日立パワーシステムズ株式会社 | 粉体搬送装置及びチャー回収装置 |
-
1982
- 1982-10-25 JP JP18711982A patent/JPS5976808A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5976808A (ja) | 1984-05-02 |
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