JP6519036B2 - 高炉操業方法 - Google Patents
高炉操業方法 Download PDFInfo
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- JP6519036B2 JP6519036B2 JP2018556672A JP2018556672A JP6519036B2 JP 6519036 B2 JP6519036 B2 JP 6519036B2 JP 2018556672 A JP2018556672 A JP 2018556672A JP 2018556672 A JP2018556672 A JP 2018556672A JP 6519036 B2 JP6519036 B2 JP 6519036B2
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- Prior art keywords
- blast furnace
- ore
- raw material
- sinter
- concentration
- Prior art date
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- 238000000034 method Methods 0.000 title claims description 41
- 239000002994 raw material Substances 0.000 claims description 95
- 238000005245 sintering Methods 0.000 claims description 41
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 39
- 239000000463 material Substances 0.000 claims description 35
- 238000005259 measurement Methods 0.000 claims description 28
- 238000007873 sieving Methods 0.000 claims description 20
- 229910052742 iron Inorganic materials 0.000 claims description 19
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 17
- 238000013329 compounding Methods 0.000 claims description 12
- 239000008188 pellet Substances 0.000 claims description 11
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 6
- 238000011017 operating method Methods 0.000 claims description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 36
- 239000000571 coke Substances 0.000 description 29
- 238000002156 mixing Methods 0.000 description 25
- 239000002245 particle Substances 0.000 description 24
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 23
- 239000000292 calcium oxide Substances 0.000 description 18
- 235000012255 calcium oxide Nutrition 0.000 description 18
- 230000000052 comparative effect Effects 0.000 description 15
- 239000002893 slag Substances 0.000 description 13
- 239000007789 gas Substances 0.000 description 10
- 239000010410 layer Substances 0.000 description 10
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 9
- YLZOPXRUQYQQID-UHFFFAOYSA-N 3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-1-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]propan-1-one Chemical compound N1N=NC=2CN(CCC=21)CCC(=O)N1CCN(CC1)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F YLZOPXRUQYQQID-UHFFFAOYSA-N 0.000 description 7
- 238000004458 analytical method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000002344 surface layer Substances 0.000 description 6
- 230000003247 decreasing effect Effects 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000001112 coagulating effect Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- -1 etc. Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/16—Sintering; Agglomerating
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/16—Sintering; Agglomerating
- C22B1/20—Sintering; Agglomerating in sintering machines with movable grates
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/80—Interaction of exhaust gases produced during the manufacture of iron or steel with other processes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Manufacture Of Iron (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
(1)成品焼結鉱、塊鉄鉱石および副原料を含む高炉原料を高炉に装入する高炉操業方法であって、焼結原料を焼結して焼結ケーキとする焼結工程と、前記焼結ケーキを破砕して焼結鉱とする破砕工程と、前記焼結鉱を冷却する冷却工程と、前記冷却された焼結鉱を、成品焼結鉱と返鉱とに篩分けする篩分け工程と、前記冷却された焼結鉱、前記成品焼結鉱および前記返鉱の少なくとも1つの成分濃度を測定する測定工程と、前記高炉原料に含まれる前記成品焼結鉱、前記塊鉄鉱石および前記副原料の配合量を調整する調整工程と、を有し、前記調整工程では、前記測定工程で測定された成分濃度を用いて前記高炉原料の配合量を調整する、高炉操業方法。
(2)前記高炉原料は、さらにペレットを含み、前記調整工程では、前記高炉原料に含まれる前記成品焼結鉱、前記ペレット、前記塊鉄鉱石および前記副原料の配合量を調整する、(1)に記載の高炉操業方法。
(3)前記測定工程ではコンベア上を搬送される、前記冷却された焼結鉱、前記成品焼結鉱および前記返鉱の少なくとも1つの成分濃度を連続測定する、(1)または(2)に記載の高炉操業方法。
(4)前記測定工程では、前記成品焼結鉱および前記返鉱の少なくとも1つの成分濃度を測定する、(1)から(3)の何れか1つに記載の高炉操業方法。
(5)前記測定工程では、前記成品焼結鉱の成分濃度を測定する、(1)から(3)の何れか1つに記載の高炉操業方法。
(6)前記測定工程では、トータルCaO、SiO2、MgO、Al2O3、FeOの1種以上の成分濃度を測定する、(1)から(5)の何れか1つに記載の高炉操業方法。
12 焼結機
14 一次破砕機
16 冷却機
18 二次破砕機
20 篩分け装置
22 篩分け装置
24 篩分け装置
26 篩分け装置
28 赤外線分析計
30 成品ライン
32 返鉱ライン
34 高炉
Claims (6)
- 成品焼結鉱、塊鉄鉱石および副原料を含む高炉原料を高炉に装入する高炉操業方法であって、
焼結原料を焼結して焼結ケーキとする焼結工程と、
前記焼結ケーキを破砕して焼結鉱とする破砕工程と、
前記焼結鉱を冷却する冷却工程と、
前記冷却された焼結鉱を、成品焼結鉱と返鉱とに篩分けする篩分け工程と、
前記冷却された焼結鉱、前記成品焼結鉱および前記返鉱の少なくとも1つの成分濃度を測定する測定工程と、
前記高炉原料に含まれる前記成品焼結鉱、前記塊鉄鉱石および前記副原料の配合量を調整する調整工程と、を有し、
前記調整工程では、前記測定工程で測定された成分濃度を用いて前記高炉原料の配合量を調整する、高炉操業方法。 - 前記高炉原料は、さらにペレットを含み、
前記調整工程では、前記高炉原料に含まれる前記成品焼結鉱、前記ペレット、前記塊鉄鉱石および前記副原料の配合量を調整する、請求項1に記載の高炉操業方法。 - 前記測定工程ではコンベア上を搬送される前記冷却された焼結鉱、前記成品焼結鉱および前記返鉱の少なくとも1つの成分濃度を連続測定する、請求項1または請求項2に記載の高炉操業方法。
- 前記測定工程では、前記成品焼結鉱および前記返鉱の少なくとも1つの成分濃度を測定する、請求項1から請求項3の何れか一項に記載の高炉操業方法。
- 前記測定工程では、前記成品焼結鉱の成分濃度を測定する、請求項1から請求項3の何れか一項に記載の高炉操業方法。
- 前記測定工程では、トータルCaO、SiO2、MgO、Al2O3、FeOの1種以上の成分濃度を測定する、請求項1から請求項5の何れか一項に記載の高炉操業方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016243989 | 2016-12-16 | ||
JP2016243989 | 2016-12-16 | ||
PCT/JP2017/044474 WO2018110521A1 (ja) | 2016-12-16 | 2017-12-12 | 高炉操業方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2018110521A1 JPWO2018110521A1 (ja) | 2019-03-28 |
JP6519036B2 true JP6519036B2 (ja) | 2019-05-29 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2018556672A Active JP6519036B2 (ja) | 2016-12-16 | 2017-12-12 | 高炉操業方法 |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP3517632B1 (ja) |
JP (1) | JP6519036B2 (ja) |
KR (1) | KR102303009B1 (ja) |
CN (1) | CN110073006A (ja) |
PH (1) | PH12019501367A1 (ja) |
TW (1) | TWI658147B (ja) |
WO (1) | WO2018110521A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112522460B (zh) * | 2020-11-18 | 2022-05-17 | 山东钢铁集团日照有限公司 | 一种高炉炉料平铺调整气流分布的方法 |
CN114594073B (zh) * | 2022-01-25 | 2023-08-11 | 虔东稀土集团股份有限公司 | 一种稀土金属生产在线检测方法及系统 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5910966B2 (ja) * | 1979-09-28 | 1984-03-13 | 住友金属工業株式会社 | 高炉の操業方法 |
JPS5751206A (en) * | 1980-09-12 | 1982-03-26 | Sumitomo Metal Ind Ltd | Operating method for blast furnace |
JPS57149433A (en) | 1981-03-07 | 1982-09-16 | Nisshin Steel Co Ltd | Method and device for preparing sintered ore having preset content of feo |
JPS60262926A (ja) * | 1984-06-08 | 1985-12-26 | Kawasaki Steel Corp | 成品焼結鉱成分濃度の制御方法 |
JPH06108124A (ja) * | 1992-09-29 | 1994-04-19 | Nippon Steel Corp | 高炉操業法 |
JPH10324929A (ja) | 1997-05-26 | 1998-12-08 | Nippon Steel Corp | 焼結鉱の製造方法 |
JP3787237B2 (ja) * | 1998-01-23 | 2006-06-21 | 新日本製鐵株式会社 | 高炉へのペレット高配合鉄鉱石の装入方法 |
KR100374231B1 (ko) * | 1998-07-31 | 2003-05-16 | 주식회사 포스코 | 재순환상부광을이용한소결광제조방법 |
JP2001107115A (ja) * | 1999-10-06 | 2001-04-17 | Nippon Steel Corp | 高被還元性焼結鉱を使用した高炉操業方法 |
KR100786499B1 (ko) * | 2001-12-18 | 2007-12-17 | 주식회사 포스코 | 소결광 제조방법 |
RU2240351C2 (ru) * | 2002-04-22 | 2004-11-20 | Открытое акционерное общество "Новолипецкий металлургический комбинат" (ОАО "НЛМК") | Способ ведения доменной плавки |
JP2005097658A (ja) * | 2003-09-24 | 2005-04-14 | Jfe Steel Kk | 焼結鉱主原料成分割合予測方法および焼結鉱成分割合制御方法ならび焼結鉱主原料成分割合予測プログラム |
JP2005298923A (ja) * | 2004-04-13 | 2005-10-27 | Nippon Steel Corp | 高炉における高鉱石/還元材比操業方法 |
JP4802739B2 (ja) * | 2006-01-31 | 2011-10-26 | Jfeスチール株式会社 | 高炉原料混合度計測方法および高炉原料混合度計測装置 |
JP5012138B2 (ja) * | 2007-03-28 | 2012-08-29 | 住友金属工業株式会社 | 高炉操業方法 |
JP5544784B2 (ja) * | 2009-08-17 | 2014-07-09 | Jfeスチール株式会社 | 焼結機 |
CN102719580B (zh) * | 2011-03-29 | 2014-11-05 | 鞍钢股份有限公司 | 一种提高炉缸焦炭强度的高炉操作方法 |
JP2013147718A (ja) * | 2012-01-20 | 2013-08-01 | Nippon Steel & Sumitomo Metal Corp | 焼結鉱の製造方法 |
CN102722652B (zh) * | 2012-06-01 | 2015-09-16 | 攀钢集团攀枝花钢钒有限公司 | 一种高炉冶炼成本计算及优化方法 |
CN104164558B (zh) * | 2014-08-27 | 2016-04-13 | 攀钢集团成都钢钒有限公司 | 一种烧结工序烧结矿质量控制方法 |
JP2016130341A (ja) * | 2015-01-14 | 2016-07-21 | 株式会社神戸製鋼所 | マグネタイト鉱石を用いた焼結鉱原料の製造方法 |
CN104593532B (zh) * | 2015-01-19 | 2017-07-07 | 河北联合大学 | 一种炼铁系统炉料优化方法 |
-
2017
- 2017-12-12 CN CN201780077773.1A patent/CN110073006A/zh active Pending
- 2017-12-12 EP EP17879791.6A patent/EP3517632B1/en active Active
- 2017-12-12 WO PCT/JP2017/044474 patent/WO2018110521A1/ja unknown
- 2017-12-12 KR KR1020197017127A patent/KR102303009B1/ko active IP Right Grant
- 2017-12-12 JP JP2018556672A patent/JP6519036B2/ja active Active
- 2017-12-14 TW TW106143969A patent/TWI658147B/zh active
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2019
- 2019-06-14 PH PH12019501367A patent/PH12019501367A1/en unknown
Also Published As
Publication number | Publication date |
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EP3517632A1 (en) | 2019-07-31 |
CN110073006A (zh) | 2019-07-30 |
KR20190085970A (ko) | 2019-07-19 |
TW201829792A (zh) | 2018-08-16 |
TWI658147B (zh) | 2019-05-01 |
WO2018110521A1 (ja) | 2018-06-21 |
EP3517632B1 (en) | 2021-11-24 |
JPWO2018110521A1 (ja) | 2019-03-28 |
EP3517632A4 (en) | 2019-11-06 |
KR102303009B1 (ko) | 2021-09-15 |
PH12019501367A1 (en) | 2020-02-24 |
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Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |