JPWO2019167888A1 - 造粒焼結原料の製造方法 - Google Patents
造粒焼結原料の製造方法 Download PDFInfo
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- JPWO2019167888A1 JPWO2019167888A1 JP2020503495A JP2020503495A JPWO2019167888A1 JP WO2019167888 A1 JPWO2019167888 A1 JP WO2019167888A1 JP 2020503495 A JP2020503495 A JP 2020503495A JP 2020503495 A JP2020503495 A JP 2020503495A JP WO2019167888 A1 JPWO2019167888 A1 JP WO2019167888A1
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- 239000002994 raw material Substances 0.000 title claims abstract description 108
- 238000005245 sintering Methods 0.000 title claims abstract description 56
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000005469 granulation Methods 0.000 claims abstract description 17
- 230000003179 granulation Effects 0.000 claims abstract description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000007664 blowing Methods 0.000 claims abstract description 9
- 229910052742 iron Inorganic materials 0.000 claims abstract description 8
- 239000003575 carbonaceous material Substances 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 41
- 230000035699 permeability Effects 0.000 abstract description 7
- 238000013329 compounding Methods 0.000 abstract description 4
- 239000002245 particle Substances 0.000 description 21
- 238000000034 method Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- 239000000701 coagulant Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000005273 aeration Methods 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
- KIZFHUJKFSNWKO-UHFFFAOYSA-M calcium monohydroxide Chemical compound [Ca]O KIZFHUJKFSNWKO-UHFFFAOYSA-M 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- 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
- C22B1/205—Sintering; Agglomerating in sintering machines with movable grates regulation of the sintering process
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/001—Injecting additional fuel or reducing agents
- C21B5/003—Injection of pulverulent coal
-
- 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
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/2406—Binding; Briquetting ; Granulating pelletizing
-
- 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
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/242—Binding; Briquetting ; Granulating with binders
- C22B1/243—Binding; Briquetting ; Granulating with binders inorganic
-
- 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
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/242—Binding; Briquetting ; Granulating with binders
- C22B1/244—Binding; Briquetting ; Granulating with binders organic
- C22B1/245—Binding; Briquetting ; Granulating with binders organic with carbonaceous material for the production of coked agglomerates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/12—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic in rotating drums
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/001—Injecting additional fuel or reducing agents
- C21B2005/005—Selection or treatment of the reducing gases
-
- 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
- C21B2400/022—Methods of cooling or quenching molten slag
- C21B2400/024—Methods of cooling or quenching molten slag with the direct use of steam or liquid coolants, e.g. water
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
(1)前記水蒸気は、水蒸気配管内での過熱度が13.5℃以下であること、
(2)前記造粒機内への水蒸気の吹き込みは、該造粒機の原料投入位置から長さ方向の略中間の位置までの前半部分において行なうこと、
(3)前記造粒機内への水蒸気の吹き込み量が3.0kg/t−s以上であること、
(4)前記造粒機から排出される造粒焼結原料の温度が60℃を超えたとき、水蒸気の吹き込みによって投入される水分に加え、さらに工場用水や熱水あるいは凝縮水を添加して造粒後水分にして0.5mass%以上、3.0mass%以下に相当する水分を加えること、
がより好ましい。
2 造粒焼結原料
Claims (5)
- 鉄鉱石粉の他、炭材や副原料を配合してなる焼結配合原料を造粒機にて造粒する際に、該造粒機内に水蒸気を吹き込むことにより、前記焼結配合原料の当該造粒機内への装入前の温度よりも10℃以上高い温度の造粒焼結原料とすることを特徴とする造粒焼結原料の製造方法。
- 前記水蒸気は、水蒸気配管内での過熱度が13.5℃以下であることを特徴とする請求項1に記載の造粒焼結原料の製造方法。
- 前記造粒機内への水蒸気の吹き込みは、該造粒機の原料投入位置から長さ方向の略中間の位置までの前半部分において行なうことを特徴とする請求項1または2に記載の造粒焼結原料の製造方法。
- 前記造粒機内への水蒸気の吹き込み量が3.0kg/t−s以上であることを特徴とする請求項1〜3のいずれか1に記載の造粒焼結原料の製造方法。
- 前記造粒機から排出される造粒焼結原料の温度が60℃を超えたとき、水蒸気の吹き込みによって投入される水分に加え、さらに工場用水や熱水あるいは凝縮水を添加して造粒後水分にして0.5mass%以上、3.0mass%以下に相当する水分を加えることを特徴とする請求項1〜4のいずれか1に記載の造粒焼結原料の製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018035688 | 2018-02-28 | ||
JP2018035688 | 2018-02-28 | ||
PCT/JP2019/007079 WO2019167888A1 (ja) | 2018-02-28 | 2019-02-25 | 造粒焼結原料の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2019167888A1 true JPWO2019167888A1 (ja) | 2020-12-03 |
JP6897859B2 JP6897859B2 (ja) | 2021-07-07 |
Family
ID=67805877
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Application Number | Title | Priority Date | Filing Date |
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JP2020503495A Active JP6897859B2 (ja) | 2018-02-28 | 2019-02-25 | 造粒焼結原料の製造方法 |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP3760747B1 (ja) |
JP (1) | JP6897859B2 (ja) |
KR (1) | KR102431895B1 (ja) |
CN (1) | CN111699272A (ja) |
AU (1) | AU2019228862B2 (ja) |
PH (1) | PH12020551344A1 (ja) |
RU (1) | RU2765204C1 (ja) |
WO (1) | WO2019167888A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20230153516A (ko) * | 2018-12-07 | 2023-11-06 | 제이에프이 스틸 가부시키가이샤 | 소결광의 제조 방법 |
JPWO2023210411A1 (ja) * | 2022-04-28 | 2023-11-02 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59229423A (ja) * | 1983-06-09 | 1984-12-22 | Sumitomo Metal Ind Ltd | 焼結鉱の製造方法 |
JP3294908B2 (ja) * | 1993-06-28 | 2002-06-24 | 新日本製鐵株式会社 | 焼結操業方法 |
KR20010036862A (ko) * | 1999-10-12 | 2001-05-07 | 이구택 | 소결 배합원료의 의사입화 강화장치 및 방법 |
JP2007169780A (ja) | 2005-11-25 | 2007-07-05 | Jfe Steel Kk | 焼結鉱の製造方法 |
KR20090069599A (ko) * | 2007-12-26 | 2009-07-01 | 주식회사 포스코 | 소결광의 제조방법 |
KR101175519B1 (ko) * | 2010-06-28 | 2012-08-21 | 현대제철 주식회사 | 소결광의 소결 원료 조립 장치 |
JP5891761B2 (ja) | 2011-12-09 | 2016-03-23 | Jfeスチール株式会社 | 鉱石事前処理方法 |
CN107304461B (zh) * | 2016-04-25 | 2019-04-19 | 中冶长天国际工程有限责任公司 | 用于烧结生产的强力混合工艺及其装置 |
JP7011348B2 (ja) * | 2018-06-12 | 2022-01-26 | 株式会社 エフケー光学研究所 | 異物検査装置及び異物検査方法 |
-
2019
- 2019-02-25 RU RU2020131562A patent/RU2765204C1/ru active
- 2019-02-25 JP JP2020503495A patent/JP6897859B2/ja active Active
- 2019-02-25 CN CN201980012782.1A patent/CN111699272A/zh active Pending
- 2019-02-25 EP EP19761292.2A patent/EP3760747B1/en active Active
- 2019-02-25 AU AU2019228862A patent/AU2019228862B2/en active Active
- 2019-02-25 KR KR1020207022713A patent/KR102431895B1/ko active IP Right Grant
- 2019-02-25 WO PCT/JP2019/007079 patent/WO2019167888A1/ja unknown
-
2020
- 2020-08-27 PH PH12020551344A patent/PH12020551344A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
AU2019228862A1 (en) | 2020-09-24 |
KR102431895B1 (ko) | 2022-08-11 |
PH12020551344A1 (en) | 2021-05-31 |
BR112020017371A2 (pt) | 2020-12-15 |
EP3760747B1 (en) | 2023-12-27 |
KR20200103827A (ko) | 2020-09-02 |
JP6897859B2 (ja) | 2021-07-07 |
EP3760747A4 (en) | 2021-01-06 |
RU2765204C1 (ru) | 2022-01-26 |
EP3760747A1 (en) | 2021-01-06 |
WO2019167888A1 (ja) | 2019-09-06 |
AU2019228862B2 (en) | 2022-03-10 |
CN111699272A (zh) | 2020-09-22 |
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