EP4400607A1 - Dispositif d'inférence d'état intra-four, procédé d'inférence d'état intra-four et procédé de fabrication d'acier fondu - Google Patents
Dispositif d'inférence d'état intra-four, procédé d'inférence d'état intra-four et procédé de fabrication d'acier fondu Download PDFInfo
- Publication number
- EP4400607A1 EP4400607A1 EP22898431.6A EP22898431A EP4400607A1 EP 4400607 A1 EP4400607 A1 EP 4400607A1 EP 22898431 A EP22898431 A EP 22898431A EP 4400607 A1 EP4400607 A1 EP 4400607A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- furnace
- refining treatment
- refining
- model parameters
- model
- 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 description 35
- 229910000831 Steel Inorganic materials 0.000 title claims description 18
- 239000010959 steel Substances 0.000 title claims description 18
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 238000007670 refining Methods 0.000 claims abstract description 166
- 239000002184 metal Substances 0.000 claims abstract description 82
- 229910052751 metal Inorganic materials 0.000 claims abstract description 82
- 238000004364 calculation method Methods 0.000 claims abstract description 67
- 239000002893 slag Substances 0.000 claims abstract description 40
- 238000011156 evaluation Methods 0.000 claims abstract description 19
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 62
- 229910052760 oxygen Inorganic materials 0.000 claims description 62
- 239000001301 oxygen Substances 0.000 claims description 62
- 239000007789 gas Substances 0.000 claims description 56
- 229910052799 carbon Inorganic materials 0.000 claims description 37
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 36
- 239000002994 raw material Substances 0.000 claims description 28
- 238000007664 blowing Methods 0.000 claims description 25
- 238000006243 chemical reaction Methods 0.000 claims description 22
- 238000005259 measurement Methods 0.000 claims description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- 238000007254 oxidation reaction Methods 0.000 claims description 15
- 239000012535 impurity Substances 0.000 claims description 11
- 230000003647 oxidation Effects 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 238000012935 Averaging Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 4
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 4
- 239000004571 lime Substances 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 description 32
- 230000006870 function Effects 0.000 description 16
- 238000003756 stirring Methods 0.000 description 11
- 238000012937 correction Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 8
- 238000004090 dissolution Methods 0.000 description 5
- 230000005855 radiation Effects 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 239000013256 coordination polymer Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000010365 information processing Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000013598 vector Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012821 model calculation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021193655 | 2021-11-29 | ||
| PCT/JP2022/042138 WO2023095647A1 (fr) | 2021-11-29 | 2022-11-11 | Dispositif d'inférence d'état intra-four, procédé d'inférence d'état intra-four et procédé de fabrication d'acier fondu |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4400607A1 true EP4400607A1 (fr) | 2024-07-17 |
Family
ID=86539542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22898431.6A Pending EP4400607A1 (fr) | 2021-11-29 | 2022-11-11 | Dispositif d'inférence d'état intra-four, procédé d'inférence d'état intra-four et procédé de fabrication d'acier fondu |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP4400607A1 (fr) |
| JP (1) | JP7392897B2 (fr) |
| KR (1) | KR20240090437A (fr) |
| CN (1) | CN118103530A (fr) |
| WO (1) | WO2023095647A1 (fr) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004360044A (ja) | 2003-06-06 | 2004-12-24 | Nippon Steel Corp | 溶鋼温度推定計算装置及び溶鋼温度推定計算方法 |
| JP4093934B2 (ja) | 2003-07-16 | 2008-06-04 | 株式会社神戸製鋼所 | モデルパラメータ決定方法及びそのプログラム，モデル予測方法及びそのプログラム |
| JP2014201770A (ja) | 2013-04-02 | 2014-10-27 | 株式会社神戸製鋼所 | 転炉の予測モデルの推定装置および推定方法 |
| JP6376200B2 (ja) | 2015-11-02 | 2018-08-22 | Ｊｆｅスチール株式会社 | 溶湯状況推定装置、溶湯状況推定方法、及び溶湯の製造方法 |
| BR112020019000A2 (pt) | 2018-03-19 | 2020-12-29 | Jfe Steel Corporation | Dispositivo de estimativa de componente de metal fundido, método de estimativa de componente de metal fundido, e método de produção de metal fundido |
-
2022
- 2022-11-11 KR KR1020247015910A patent/KR20240090437A/ko unknown
- 2022-11-11 WO PCT/JP2022/042138 patent/WO2023095647A1/fr active Application Filing
- 2022-11-11 CN CN202280069651.9A patent/CN118103530A/zh active Pending
- 2022-11-11 EP EP22898431.6A patent/EP4400607A1/fr active Pending
- 2022-11-11 JP JP2023505466A patent/JP7392897B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP7392897B2 (ja) | 2023-12-06 |
| KR20240090437A (ko) | 2024-06-21 |
| CN118103530A (zh) | 2024-05-28 |
| TW202321468A (zh) | 2023-06-01 |
| WO2023095647A1 (fr) | 2023-06-01 |
| JPWO2023095647A1 (fr) | 2023-06-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3770279B1 (fr) | Dispositif d'estimation de composants de métal en fusion, procédé d'estimation de composants de métal en fusion et procédé de production de métal en fusion | |
| JP6573035B2 (ja) | 溶鋼中りん濃度推定方法及び転炉吹錬制御装置 | |
| JP6579136B2 (ja) | 精錬プロセス状態推定装置、精錬プロセス状態推定方法、及び溶湯の製造方法 | |
| JP6687080B2 (ja) | 溶湯温度補正装置、溶湯温度補正方法、及び溶湯の製造方法 | |
| JP6414045B2 (ja) | 溶湯成分推定装置及び溶湯成分推定方法 | |
| EP4400607A1 (fr) | Dispositif d'inférence d'état intra-four, procédé d'inférence d'état intra-four et procédé de fabrication d'acier fondu | |
| JP6376200B2 (ja) | 溶湯状況推定装置、溶湯状況推定方法、及び溶湯の製造方法 | |
| US11966669B2 (en) | Molten metal component estimation device, method of estimating molten metal component, and method of manufacturing molten metal | |
| TWI841072B (zh) | 爐內狀態推定裝置、爐內狀態推定方法及鋼水製造方法 | |
| JP6658804B2 (ja) | 初期成分濃度補正装置、初期成分濃度補正方法、精錬プロセス状態推定方法、及び、転炉の操業方法 | |
| WO2017163902A1 (fr) | Procédé de prétraitement de fonte brute en fusion et dispositif de commande de prétraitement de fonte brute en fusion | |
| JP7156560B2 (ja) | 精錬処理制御装置及び精錬処理制御方法 | |
| JP3823907B2 (ja) | 転炉出鋼中脱炭量推定法及びこれを用いた転炉操業法 | |
| RU2817694C1 (ru) | Устройство управления процессом рафинирования и способ управления процессом рафинирования | |
| EP4394050A1 (fr) | Dispositif d'estimation de la quantité de scories dans un four, procédé d'estimation de la quantité de scories dans un four et procédé de production d'acier fondu | |
| JPWO2023095647A5 (fr) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |