JPWO2018123750A1 - 焼結鉱の製造方法 - Google Patents
焼結鉱の製造方法 Download PDFInfo
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- JPWO2018123750A1 JPWO2018123750A1 JP2018544570A JP2018544570A JPWO2018123750A1 JP WO2018123750 A1 JPWO2018123750 A1 JP WO2018123750A1 JP 2018544570 A JP2018544570 A JP 2018544570A JP 2018544570 A JP2018544570 A JP 2018544570A JP WO2018123750 A1 JPWO2018123750 A1 JP WO2018123750A1
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- raw material
- iron
- powder
- carbonaceous material
- ore
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 42
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 186
- 239000002994 raw material Substances 0.000 claims abstract description 160
- 239000003575 carbonaceous material Substances 0.000 claims abstract description 144
- 229910052742 iron Inorganic materials 0.000 claims abstract description 90
- 239000011361 granulated particle Substances 0.000 claims abstract description 82
- 239000000843 powder Substances 0.000 claims abstract description 82
- 238000005245 sintering Methods 0.000 claims abstract description 43
- 238000005469 granulation Methods 0.000 claims abstract description 42
- 230000003179 granulation Effects 0.000 claims abstract description 42
- 239000011812 mixed powder Substances 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000002245 particle Substances 0.000 claims description 61
- 238000000034 method Methods 0.000 claims description 19
- 239000004449 solid propellant Substances 0.000 claims description 14
- 238000002844 melting Methods 0.000 claims description 10
- 230000008018 melting Effects 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract description 42
- 239000002184 metal Substances 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 79
- 239000000292 calcium oxide Substances 0.000 description 40
- 235000012255 calcium oxide Nutrition 0.000 description 40
- 239000010410 layer Substances 0.000 description 26
- 238000006243 chemical reaction Methods 0.000 description 12
- 239000011247 coating layer Substances 0.000 description 12
- 239000000571 coke Substances 0.000 description 12
- 238000010304 firing Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 12
- 239000000428 dust Substances 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 239000008188 pellet Substances 0.000 description 10
- 229910052500 inorganic mineral Inorganic materials 0.000 description 9
- 235000010755 mineral Nutrition 0.000 description 9
- 239000011707 mineral Substances 0.000 description 9
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 239000003610 charcoal Substances 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 235000019738 Limestone Nutrition 0.000 description 5
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 5
- 239000003830 anthracite Substances 0.000 description 5
- 239000006028 limestone Substances 0.000 description 5
- 239000002893 slag Substances 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 239000010459 dolomite Substances 0.000 description 4
- 229910000514 dolomite Inorganic materials 0.000 description 4
- 239000000395 magnesium oxide Substances 0.000 description 4
- 238000006722 reduction reaction Methods 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 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 3
- 238000004132 cross linking Methods 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 238000004898 kneading Methods 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 239000000701 coagulant Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000009770 conventional sintering Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002801 charged material Substances 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000007771 core particle Substances 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 235000014483 powder concentrate Nutrition 0.000 description 1
- 239000012256 powdered iron Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- -1 rolling scale Substances 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 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
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
[1]鉄含有原料の粉とCaO含有原料の粉とを含む混合粉で炭材核が被覆された2層構造を有する炭材内装造粒粒子を焼結機のパレットで焼成して炭材内装焼結鉱を製造する焼結鉱の製造方法であって、
前記炭材内装造粒粒子は、造粒時における水分の含有量が、前記炭材核と前記混合粉と水分との合計質量の8〜10質量%である焼結鉱の製造方法。
[2]前記鉄含有原料の粉が鉄鉱石粉であり、前記混合粉は、鉄鉱石粉とCaO含有原料の粉とからなる上記[1]に記載の焼結鉱の製造方法。
[3]前記炭材内装造粒粒子を、鉄含有原料、CaO含有原料、固体燃料(炭材)に水を添加し、混合して造粒した擬似粒子の焼結原料とともに、前記焼結機のパレットで焼成する上記[1]または上記[2]に記載の焼結鉱の製造方法。
[4]前記擬似粒子の焼結原料は、更に、CaO含有原料以外の融点調整剤としての副原料を含んでいる上記[3]に記載の焼結鉱の製造方法。
[5]前記炭材内装造粒粒子に含有される水分の一部は、造粒前の前記混合粉に予め含まれている上記[1]ないし上記[4]の何れか1項に記載の焼結鉱の製造方法。
[6]前記炭材内装造粒粒子に含有される水分の一部は、造粒時に新たに添加される上記[1]ないし上記[5]の何れか1項に記載の焼結鉱の製造方法。
2a、2b、2c ホッパー
3a、3b、3c、3d 搬送機
4 混練機
5 造粒機
6 給水用ポンプ
Claims (6)
- 鉄含有原料の粉とCaO含有原料の粉とを含む混合粉で炭材核が被覆された2層構造を有する炭材内装造粒粒子を焼結機のパレットで焼成して炭材内装焼結鉱を製造する焼結鉱の製造方法であって、
前記炭材内装造粒粒子は、造粒時における水分の含有量が、前記炭材核と前記混合粉と水分との合計質量の8〜10質量%である焼結鉱の製造方法。 - 前記鉄含有原料の粉が鉄鉱石粉であり、前記混合粉は、鉄鉱石粉とCaO含有原料の粉とからなる請求項1に記載の焼結鉱の製造方法。
- 前記炭材内装造粒粒子を、鉄含有原料、CaO含有原料、固体燃料(炭材)に水を添加し、混合して造粒した擬似粒子の焼結原料とともに、前記焼結機のパレットで焼成する請求項1または請求項2に記載の焼結鉱の製造方法。
- 前記擬似粒子の焼結原料は、更に、CaO含有原料以外の融点調整剤としての副原料を含んでいる請求項3に記載の焼結鉱の製造方法。
- 前記炭材内装造粒粒子に含有される水分の一部は、造粒前の前記混合粉に予め含まれている請求項1ないし請求項4の何れか1項に記載の焼結鉱の製造方法。
- 前記炭材内装造粒粒子に含有される水分の一部は、造粒時に新たに添加される請求項1ないし請求項5の何れか1項に記載の焼結鉱の製造方法。
Applications Claiming Priority (3)
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JP2016254643 | 2016-12-28 | ||
JP2016254643 | 2016-12-28 | ||
PCT/JP2017/045638 WO2018123750A1 (ja) | 2016-12-28 | 2017-12-20 | 焼結鉱の製造方法 |
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JPWO2018123750A1 true JPWO2018123750A1 (ja) | 2018-12-27 |
JP6460293B2 JP6460293B2 (ja) | 2019-01-30 |
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JP (1) | JP6460293B2 (ja) |
KR (1) | KR102288003B1 (ja) |
CN (1) | CN110168118B (ja) |
AU (1) | AU2017388174B2 (ja) |
BR (1) | BR112019013087B1 (ja) |
PH (1) | PH12019501511A1 (ja) |
TW (1) | TWI649429B (ja) |
WO (1) | WO2018123750A1 (ja) |
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CN111455166B (zh) * | 2020-05-23 | 2022-04-15 | 山东泰山钢铁集团有限公司 | 一种降低氮氧化物排放量的预配料及其生产方法和烧结料 |
CN114990328B (zh) * | 2022-04-14 | 2024-06-11 | 北京巨亚国际环境科技股份有限公司 | 一种隧道式矿粉烧结设备及烧结方法 |
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JP2015129353A (ja) * | 2013-07-10 | 2015-07-16 | Jfeスチール株式会社 | 焼結鉱製造用の炭材内装造粒粒子とその製造方法 |
JP2015137379A (ja) * | 2014-01-21 | 2015-07-30 | 日新製鋼株式会社 | 高炉用非焼成炭材内装鉱およびその製造方法 |
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JPH02228428A (ja) * | 1989-03-02 | 1990-09-11 | Sumitomo Metal Ind Ltd | 高炉装入物およびその製造方法 |
JPH10183262A (ja) | 1996-12-24 | 1998-07-14 | Nippon Steel Corp | 製鉄用塊成鉱およびその製造方法 |
JP3502008B2 (ja) | 2000-04-07 | 2004-03-02 | 株式会社神戸製鋼所 | 炭材内装塊成化物の製造方法 |
JP3502011B2 (ja) | 2000-04-24 | 2004-03-02 | 株式会社神戸製鋼所 | 炭材内装塊成化物の製造方法 |
JP2001348625A (ja) | 2000-06-08 | 2001-12-18 | Nippon Steel Corp | 製鉄原料用ペレットの製造方法 |
JP2002241853A (ja) | 2001-02-13 | 2002-08-28 | Nippon Steel Corp | 高炉用非焼成塊成鉱 |
AU2003257638B2 (en) * | 2002-08-21 | 2008-11-06 | Nippon Shokubai Co., Ltd. | Method of granulating sintering material for iron manufacturing |
JP4490735B2 (ja) | 2004-06-04 | 2010-06-30 | 株式会社神戸製鋼所 | 炭材内装塊成化物の製造方法 |
JP5540806B2 (ja) | 2010-03-24 | 2014-07-02 | Jfeスチール株式会社 | 製鉄用炭材内装塊成鉱およびその製造方法 |
JP5540859B2 (ja) | 2010-04-19 | 2014-07-02 | Jfeスチール株式会社 | 製鉄用炭材内装塊成鉱およびその製造方法 |
JP5051317B1 (ja) * | 2010-07-30 | 2012-10-17 | Jfeスチール株式会社 | 焼結用原料の製造方法 |
JP5423611B2 (ja) * | 2010-08-09 | 2014-02-19 | 新日鐵住金株式会社 | 焼結鉱の製造方法 |
AU2013236700B2 (en) * | 2012-03-22 | 2015-04-23 | Jfe Steel Corporation | Method for adjusting precursor powder for sintered ore, and precursor powder for sintered ore |
JP6540359B2 (ja) * | 2014-11-21 | 2019-07-10 | 日本製鉄株式会社 | 焼結鉱製造用改質炭材およびそれを用いた焼結鉱の製造方法 |
CN106148681A (zh) * | 2016-08-30 | 2016-11-23 | 山东钢铁股份有限公司 | 降低烧结机固体燃料消耗的混合料制备装置及制备方法 |
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JP2015129353A (ja) * | 2013-07-10 | 2015-07-16 | Jfeスチール株式会社 | 焼結鉱製造用の炭材内装造粒粒子とその製造方法 |
JP2015137379A (ja) * | 2014-01-21 | 2015-07-30 | 日新製鋼株式会社 | 高炉用非焼成炭材内装鉱およびその製造方法 |
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AU2017388174B2 (en) | 2020-03-12 |
KR20190089179A (ko) | 2019-07-30 |
PH12019501511A1 (en) | 2020-06-08 |
WO2018123750A1 (ja) | 2018-07-05 |
TWI649429B (zh) | 2019-02-01 |
KR102288003B1 (ko) | 2021-08-09 |
CN110168118B (zh) | 2022-09-09 |
BR112019013087B1 (pt) | 2023-04-18 |
TW201823476A (zh) | 2018-07-01 |
JP6460293B2 (ja) | 2019-01-30 |
BR112019013087A2 (pt) | 2019-12-17 |
AU2017388174A1 (en) | 2019-05-23 |
CN110168118A (zh) | 2019-08-23 |
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