JPH0431016B2 - - Google Patents
Info
- Publication number
- JPH0431016B2 JPH0431016B2 JP7644888A JP7644888A JPH0431016B2 JP H0431016 B2 JPH0431016 B2 JP H0431016B2 JP 7644888 A JP7644888 A JP 7644888A JP 7644888 A JP7644888 A JP 7644888A JP H0431016 B2 JPH0431016 B2 JP H0431016B2
- Authority
- JP
- Japan
- Prior art keywords
- scrap
- slag
- melting
- reaction vessel
- chromium
- 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 - Lifetime
Links
- 229910052751 metal Inorganic materials 0.000 claims description 58
- 239000002184 metal Substances 0.000 claims description 58
- 239000011651 chromium Substances 0.000 claims description 55
- 239000002893 slag Substances 0.000 claims description 55
- 238000007664 blowing Methods 0.000 claims description 48
- 229910052804 chromium Inorganic materials 0.000 claims description 46
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 45
- 238000000034 method Methods 0.000 claims description 44
- 238000002844 melting Methods 0.000 claims description 43
- 230000008018 melting Effects 0.000 claims description 43
- 239000010935 stainless steel Substances 0.000 claims description 32
- 229910001220 stainless steel Inorganic materials 0.000 claims description 32
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 26
- 239000001301 oxygen Substances 0.000 claims description 26
- 229910052760 oxygen Inorganic materials 0.000 claims description 26
- 238000006243 chemical reaction Methods 0.000 claims description 20
- 239000007789 gas Substances 0.000 claims description 19
- 229910052799 carbon Inorganic materials 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 7
- 229910001882 dioxygen Inorganic materials 0.000 claims description 7
- 238000010309 melting process Methods 0.000 claims description 5
- 238000010079 rubber tapping Methods 0.000 claims description 5
- 238000011946 reduction process Methods 0.000 claims description 4
- 239000003575 carbonaceous material Substances 0.000 description 17
- 229910000831 Steel Inorganic materials 0.000 description 16
- 239000010959 steel Substances 0.000 description 16
- 238000003723 Smelting Methods 0.000 description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 13
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 10
- 238000004090 dissolution Methods 0.000 description 10
- 239000000428 dust Substances 0.000 description 10
- 238000005261 decarburization Methods 0.000 description 9
- 239000008188 pellet Substances 0.000 description 9
- 239000002994 raw material Substances 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 7
- 239000002923 metal particle Substances 0.000 description 7
- 229910001021 Ferroalloy Inorganic materials 0.000 description 6
- 229910004298 SiO 2 Inorganic materials 0.000 description 6
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 5
- 229910000423 chromium oxide Inorganic materials 0.000 description 5
- 239000011819 refractory material Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000000571 coke Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000003628 erosive effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 229910002555 FeNi Inorganic materials 0.000 description 2
- 229910000604 Ferrochrome Inorganic materials 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 229910000805 Pig iron Inorganic materials 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000009749 continuous casting Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000001294 propane Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910004261 CaF 2 Inorganic materials 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 229910001111 Fine metal Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- Manufacture Of Iron (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63076448A JPH01252753A (ja) | 1988-03-31 | 1988-03-31 | ステンレス鋼母溶湯の溶製方法並びに溶製用の反応容器底部羽口配列及び底部羽口 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63076448A JPH01252753A (ja) | 1988-03-31 | 1988-03-31 | ステンレス鋼母溶湯の溶製方法並びに溶製用の反応容器底部羽口配列及び底部羽口 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01252753A JPH01252753A (ja) | 1989-10-09 |
| JPH0431016B2 true JPH0431016B2 (enrdf_load_stackoverflow) | 1992-05-25 |
Family
ID=13605436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63076448A Granted JPH01252753A (ja) | 1988-03-31 | 1988-03-31 | ステンレス鋼母溶湯の溶製方法並びに溶製用の反応容器底部羽口配列及び底部羽口 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01252753A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5282396B2 (ja) * | 2007-11-30 | 2013-09-04 | Ｊｆｅスチール株式会社 | 上底吹き転炉 |
| WO2023204071A1 (ja) * | 2022-04-22 | 2023-10-26 | Ｊｆｅスチール株式会社 | 粒鉄の製造方法および粒鉄 |
-
1988
- 1988-03-31 JP JP63076448A patent/JPH01252753A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01252753A (ja) | 1989-10-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0770626A (ja) | 転炉製鋼法 | |
| US7094271B2 (en) | Method for producing stainless steels, in particular high-grade steels containing chromium and chromium-nickel | |
| JPH0431016B2 (enrdf_load_stackoverflow) | ||
| JPH08311519A (ja) | 転炉製鋼法 | |
| JP4025751B2 (ja) | 溶銑の精錬方法 | |
| JP3333339B2 (ja) | 脱炭滓をリサイクルする転炉製鋼法 | |
| CN100447271C (zh) | 一种耐二氧化碳腐蚀钢的冶炼方法 | |
| JP2004277830A (ja) | 転炉製鋼方法 | |
| JP3309395B2 (ja) | 転炉精錬方法 | |
| JPH0437135B2 (enrdf_load_stackoverflow) | ||
| JP2587286B2 (ja) | 製鋼方法 | |
| JP2000212623A (ja) | 生石灰の少ない溶銑脱燐方法 | |
| JP2842185B2 (ja) | 溶融還元によるステンレス溶湯の製造方法 | |
| JPH0860221A (ja) | 転炉製鋼法 | |
| JP2754983B2 (ja) | 転炉精錬方法 | |
| JP3511685B2 (ja) | 底吹き転炉製鋼法 | |
| JP2713795B2 (ja) | ステンレス鋼の溶製方法 | |
| JP2004307941A (ja) | 転炉型容器を用いた溶銑の脱燐方法 | |
| WO2024202742A1 (ja) | 製鋼炉の操業方法 | |
| JP2842231B2 (ja) | 底吹きガス撹拌による溶銑の予備処理方法 | |
| JPH07100810B2 (ja) | 含Ｎｉ，Ｃｒ溶湯の製造方法 | |
| JP2024144220A (ja) | 製鋼炉の操業方法 | |
| JPH11343514A (ja) | 底吹転炉を用いた高炭素溶鋼の溶製方法 | |
| JPH0892627A (ja) | ステンレス鋼の製造方法 | |
| JPH066731B2 (ja) | ステンレス鋼の溶製方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
| S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| LAPS | Cancellation because of no payment of annual fees |