JP2002294322A - 転炉における造滓方法 - Google Patents
転炉における造滓方法Info
- Publication number
- JP2002294322A JP2002294322A JP2001093299A JP2001093299A JP2002294322A JP 2002294322 A JP2002294322 A JP 2002294322A JP 2001093299 A JP2001093299 A JP 2001093299A JP 2001093299 A JP2001093299 A JP 2001093299A JP 2002294322 A JP2002294322 A JP 2002294322A
- Authority
- JP
- Japan
- Prior art keywords
- slag
- basic unit
- converter
- hot metal
- lime
- 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
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000002893 slag Substances 0.000 claims abstract description 43
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000006243 chemical reaction Methods 0.000 claims abstract description 29
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 21
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 20
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 19
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 19
- 229910052742 iron Inorganic materials 0.000 claims abstract description 19
- 239000004571 lime Substances 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 238000007664 blowing Methods 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 5
- 239000001301 oxygen Substances 0.000 claims abstract description 5
- 238000004090 dissolution Methods 0.000 claims description 26
- 239000002184 metal Substances 0.000 claims description 25
- 229910052751 metal Inorganic materials 0.000 claims description 25
- 239000002904 solvent Substances 0.000 claims description 25
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 13
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 229910001634 calcium fluoride Inorganic materials 0.000 claims description 4
- 229910052681 coesite Inorganic materials 0.000 claims description 4
- 229910052593 corundum Inorganic materials 0.000 claims description 4
- 229910052906 cristobalite Inorganic materials 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 235000012239 silicon dioxide Nutrition 0.000 claims description 4
- 229910052682 stishovite Inorganic materials 0.000 claims description 4
- 229910052905 tridymite Inorganic materials 0.000 claims description 4
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 4
- 229910000805 Pig iron Inorganic materials 0.000 claims description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 19
- 239000011574 phosphorus Substances 0.000 abstract description 19
- 238000002844 melting Methods 0.000 abstract description 3
- 230000008018 melting Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 229910018404 Al2 O3 Inorganic materials 0.000 abstract 2
- 230000004907 flux Effects 0.000 abstract 2
- 238000005192 partition Methods 0.000 abstract 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 12
- 239000010436 fluorite Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 229910004261 CaF 2 Inorganic materials 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- 229910001570 bauxite Inorganic materials 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000007670 refining Methods 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910017112 Fe—C Inorganic materials 0.000 description 3
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 238000000611 regression analysis Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000010405 reoxidation reaction Methods 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 229910005347 FeSi Inorganic materials 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229910000954 Medium-carbon steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- -1 composed of CaF 2 Chemical compound 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000009991 scouring Methods 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
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001093299A JP2002294322A (ja) | 2001-03-28 | 2001-03-28 | 転炉における造滓方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001093299A JP2002294322A (ja) | 2001-03-28 | 2001-03-28 | 転炉における造滓方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002294322A true JP2002294322A (ja) | 2002-10-09 |
| JP2002294322A5 JP2002294322A5 (https=) | 2008-05-22 |
Family
ID=18947652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001093299A Pending JP2002294322A (ja) | 2001-03-28 | 2001-03-28 | 転炉における造滓方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002294322A (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112813222A (zh) * | 2019-11-18 | 2021-05-18 | 上海梅山钢铁股份有限公司 | 一种转炉高废钢比铁水的吹炼方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH116006A (ja) * | 1997-06-12 | 1999-01-12 | Kawasaki Steel Corp | 転炉への副原料投入方法 |
-
2001
- 2001-03-28 JP JP2001093299A patent/JP2002294322A/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH116006A (ja) * | 1997-06-12 | 1999-01-12 | Kawasaki Steel Corp | 転炉への副原料投入方法 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112813222A (zh) * | 2019-11-18 | 2021-05-18 | 上海梅山钢铁股份有限公司 | 一种转炉高废钢比铁水的吹炼方法 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6481774B2 (ja) | 溶鉄の脱りん剤、精錬剤および脱りん方法 | |
| US4417924A (en) | Steelmaking additive composition | |
| JP3437153B2 (ja) | カルシウムアルミネート系脱硫剤 | |
| JP3985471B2 (ja) | 精錬処理後のスラグの製造方法 | |
| KR102274035B1 (ko) | 형석 대체 플럭스를 이용한 용강의 탈황 방법 | |
| JP5365464B2 (ja) | 電気炉を用いて行う製鋼精錬方法 | |
| US4842642A (en) | Additive for promoting slag formation in steel refining ladle | |
| JP2002294322A (ja) | 転炉における造滓方法 | |
| JP4422318B2 (ja) | 耐火物溶損の少ない溶銑脱燐方法 | |
| JP3158912B2 (ja) | ステンレス鋼の精錬方法 | |
| JP3353550B2 (ja) | 転炉耐火物溶損抑制方法 | |
| JP4218172B2 (ja) | 溶融鉄合金の精錬方法 | |
| JP3896956B2 (ja) | ステンレス鋼の製造方法 | |
| US2767078A (en) | Process for desiliconizing and desulphurizing pig iron | |
| JP3598843B2 (ja) | スラグ中の未滓化CaO、MgO低減方法 | |
| JP2001220621A (ja) | 溶鋼の精錬方法 | |
| US1086489A (en) | Treating steel in electric furnaces with basic hearths. | |
| JPS621444B2 (https=) | ||
| JP2002129220A (ja) | 反応効率の高い溶銑脱燐方法 | |
| JP2001262215A (ja) | 転炉精錬方法 | |
| JPS6319564B2 (https=) | ||
| JPH1017915A (ja) | 転炉精錬方法 | |
| JPH01234511A (ja) | 溶鉄の脱硫剤 | |
| JPS60245714A (ja) | Aod炉の築炉方法 | |
| JP2716173B2 (ja) | 溶融還元炉 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20060704 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20080328 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080401 |
|
| RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20080612 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20100629 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100706 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20100928 |