JPS6221046B2 - - Google Patents
Info
- Publication number
- JPS6221046B2 JPS6221046B2 JP56026737A JP2673781A JPS6221046B2 JP S6221046 B2 JPS6221046 B2 JP S6221046B2 JP 56026737 A JP56026737 A JP 56026737A JP 2673781 A JP2673781 A JP 2673781A JP S6221046 B2 JPS6221046 B2 JP S6221046B2
- Authority
- JP
- Japan
- Prior art keywords
- slag
- mgo
- fluorite
- steelmaking
- blast furnace
- 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
- 239000000395 magnesium oxide Substances 0.000 claims description 49
- 239000002893 slag Substances 0.000 claims description 44
- 239000000463 material Substances 0.000 claims description 20
- 239000002245 particle Substances 0.000 claims description 14
- 238000009628 steelmaking Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 11
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 8
- 239000010436 fluorite Substances 0.000 claims description 8
- 239000010455 vermiculite Substances 0.000 claims description 5
- 229910052902 vermiculite Inorganic materials 0.000 claims description 5
- 235000019354 vermiculite Nutrition 0.000 claims description 5
- 239000011449 brick Substances 0.000 claims description 4
- 229910001562 pearlite Inorganic materials 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 4
- 239000005332 obsidian Substances 0.000 claims description 3
- 239000001095 magnesium carbonate Substances 0.000 claims 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims 1
- 235000014380 magnesium carbonate Nutrition 0.000 claims 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 85
- 239000000654 additive Substances 0.000 description 8
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 6
- 230000000996 additive effect Effects 0.000 description 5
- 238000009472 formulation Methods 0.000 description 5
- 239000000292 calcium oxide Substances 0.000 description 4
- 235000012255 calcium oxide Nutrition 0.000 description 4
- 238000004090 dissolution Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- 239000011362 coarse particle Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011822 basic refractory Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56026737A JPS57145918A (en) | 1981-02-27 | 1981-02-27 | Slag forming material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56026737A JPS57145918A (en) | 1981-02-27 | 1981-02-27 | Slag forming material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57145918A JPS57145918A (en) | 1982-09-09 |
| JPS6221046B2 true JPS6221046B2 (enrdf_load_stackoverflow) | 1987-05-11 |
Family
ID=12201613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56026737A Granted JPS57145918A (en) | 1981-02-27 | 1981-02-27 | Slag forming material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57145918A (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59126707A (ja) * | 1983-01-07 | 1984-07-21 | Kawasaki Steel Corp | クロム鉱石を使うクロム含有鋼の溶製方法およびクロム添加剤 |
| JP5303978B2 (ja) * | 2008-03-21 | 2013-10-02 | 宇部興産株式会社 | スラグ除去材および除去方法 |
| JP5463644B2 (ja) * | 2008-10-01 | 2014-04-09 | Ｊｆｅスチール株式会社 | 溶融金属の精錬方法 |
| JP5441093B2 (ja) * | 2008-10-01 | 2014-03-12 | Ｊｆｅスチール株式会社 | 炉体内張り耐火物保護用のスラグ成分調整剤およびその製造方法 |
| JP5391690B2 (ja) * | 2008-12-26 | 2014-01-15 | 新日鐵住金株式会社 | スラグ調整剤 |
| JP6776210B2 (ja) * | 2017-10-25 | 2020-10-28 | ダイネン株式会社 | 精錬又は製錬添加用成型体 |
-
1981
- 1981-02-27 JP JP56026737A patent/JPS57145918A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57145918A (en) | 1982-09-09 |
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