KR20240137660A - 고로의 슬래그 레벨의 판정 방법, 고로의 조업 방법 및 제어 장치 - Google Patents
고로의 슬래그 레벨의 판정 방법, 고로의 조업 방법 및 제어 장치 Download PDFInfo
- Publication number
- KR20240137660A KR20240137660A KR1020247028138A KR20247028138A KR20240137660A KR 20240137660 A KR20240137660 A KR 20240137660A KR 1020247028138 A KR1020247028138 A KR 1020247028138A KR 20247028138 A KR20247028138 A KR 20247028138A KR 20240137660 A KR20240137660 A KR 20240137660A
- Authority
- KR
- South Korea
- Prior art keywords
- blast furnace
- average brightness
- slag level
- image
- raceway
- 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
- 239000002893 slag Substances 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title claims abstract description 65
- 238000010079 rubber tapping Methods 0.000 claims description 2
- 230000007423 decrease Effects 0.000 abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 26
- 229910052742 iron Inorganic materials 0.000 description 13
- 230000008569 process Effects 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 238000004891 communication Methods 0.000 description 9
- 229910000805 Pig iron Inorganic materials 0.000 description 8
- 235000019557 luminance Nutrition 0.000 description 8
- 239000000571 coke Substances 0.000 description 7
- 235000019738 Limestone Nutrition 0.000 description 6
- 239000006028 limestone Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000000691 measurement method Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000000875 corresponding effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000011449 brick Substances 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005311 autocorrelation function Methods 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/24—Test rods or other checking devices
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/006—Automatically controlling the process
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/008—Composition or distribution of the charge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B1/00—Shaft or like vertical or substantially vertical furnaces
- F27B1/10—Details, accessories or equipment specially adapted for furnaces of these types
- F27B1/28—Arrangements of monitoring devices, of indicators, of alarm devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangement of monitoring devices; Arrangement of safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangement of monitoring devices; Arrangement of safety devices
- F27D21/02—Observation or illuminating devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0608—Height gauges
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2300/00—Process aspects
- C21B2300/04—Modeling of the process, e.g. for control purposes; CII
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/02—Physical or chemical treatment of slags
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangement of monitoring devices; Arrangement of safety devices
- F27D21/02—Observation or illuminating devices
- F27D2021/026—Observation or illuminating devices using a video installation
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Manufacture Of Iron (AREA)
- Blast Furnaces (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022052123 | 2022-03-28 | ||
| JPJP-P-2022-052123 | 2022-03-28 | ||
| PCT/JP2023/004841 WO2023188880A1 (ja) | 2022-03-28 | 2023-02-13 | 高炉のスラグレベルの判定方法、高炉の操業方法及び制御装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20240137660A true KR20240137660A (ko) | 2024-09-20 |
Family
ID=88200916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020247028138A Pending KR20240137660A (ko) | 2022-03-28 | 2023-02-13 | 고로의 슬래그 레벨의 판정 방법, 고로의 조업 방법 및 제어 장치 |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP4446440A4 (https=) |
| JP (1) | JP7359336B1 (https=) |
| KR (1) | KR20240137660A (https=) |
| CN (1) | CN118660977A (https=) |
| WO (1) | WO2023188880A1 (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI905897B (zh) * | 2024-08-22 | 2025-11-21 | 中國鋼鐵股份有限公司 | 高爐爐頂料面量測系統與方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01198412A (ja) | 1988-02-03 | 1989-08-10 | Nkk Corp | 高炉炉内残滓量の推定方法 |
| JP2000192123A (ja) | 1998-12-28 | 2000-07-11 | Nippon Steel Corp | 高炉炉床部内の溶融体レベル測定方法およびその装置 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61270319A (ja) * | 1985-05-24 | 1986-11-29 | Nippon Steel Corp | 高炉溶銑中のＳｉ濃度制御方法 |
| EP3012331B1 (en) * | 2013-06-19 | 2019-02-13 | JFE Steel Corporation | Method for detecting abnormality in blast furnace, and method for operating blast furnace |
| JP5935828B2 (ja) * | 2013-06-19 | 2016-06-15 | Ｊｆｅスチール株式会社 | 未溶融鉱石検出方法及び高炉操業方法 |
| KR101704982B1 (ko) * | 2013-07-29 | 2017-02-08 | 제이에프이 스틸 가부시키가이샤 | 이상 검지 방법 및 고로 조업 방법 |
| JP6119515B2 (ja) * | 2013-09-02 | 2017-04-26 | 新日鐵住金株式会社 | 高炉羽口状態観察方法及び高炉羽口状態観察装置 |
| JP2015052148A (ja) * | 2013-09-06 | 2015-03-19 | 新日鐵住金株式会社 | 高炉の操業状況判定に基づく制御方法 |
| JP6187387B2 (ja) * | 2014-05-30 | 2017-08-30 | Ｊｆｅスチール株式会社 | 羽口閉塞検出装置及びその方法 |
-
2023
- 2023-02-13 JP JP2023532833A patent/JP7359336B1/ja active Active
- 2023-02-13 CN CN202380020328.7A patent/CN118660977A/zh active Pending
- 2023-02-13 EP EP23778914.4A patent/EP4446440A4/en active Pending
- 2023-02-13 KR KR1020247028138A patent/KR20240137660A/ko active Pending
- 2023-02-13 WO PCT/JP2023/004841 patent/WO2023188880A1/ja not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01198412A (ja) | 1988-02-03 | 1989-08-10 | Nkk Corp | 高炉炉内残滓量の推定方法 |
| JP2000192123A (ja) | 1998-12-28 | 2000-07-11 | Nippon Steel Corp | 高炉炉床部内の溶融体レベル測定方法およびその装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4446440A1 (en) | 2024-10-16 |
| CN118660977A (zh) | 2024-09-17 |
| JPWO2023188880A1 (https=) | 2023-10-05 |
| JP7359336B1 (ja) | 2023-10-11 |
| EP4446440A4 (en) | 2025-05-21 |
| WO2023188880A1 (ja) | 2023-10-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0105 | International application |
Patent event date: 20240822 Patent event code: PA01051R01D Comment text: International Patent Application |
|
| PA0201 | Request for examination | ||
| PG1501 | Laying open of application |