CA2308837C - Process for producing sintered ore and the sintered ore - Google Patents
Process for producing sintered ore and the sintered ore Download PDFInfo
- Publication number
- CA2308837C CA2308837C CA002308837A CA2308837A CA2308837C CA 2308837 C CA2308837 C CA 2308837C CA 002308837 A CA002308837 A CA 002308837A CA 2308837 A CA2308837 A CA 2308837A CA 2308837 C CA2308837 C CA 2308837C
- Authority
- CA
- Canada
- Prior art keywords
- iron ore
- sintering
- sintered ore
- ore powder
- aqueous solution
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 34
- 230000008569 process Effects 0.000 title claims abstract description 34
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 192
- 229910052742 iron Inorganic materials 0.000 claims abstract description 95
- 238000005245 sintering Methods 0.000 claims abstract description 83
- 239000000843 powder Substances 0.000 claims abstract description 66
- 150000001875 compounds Chemical class 0.000 claims abstract description 57
- 239000007864 aqueous solution Substances 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 26
- 239000008187 granular material Substances 0.000 claims abstract description 25
- 239000000203 mixture Substances 0.000 claims abstract description 18
- 238000002844 melting Methods 0.000 claims abstract description 15
- 230000008018 melting Effects 0.000 claims abstract description 15
- 239000007795 chemical reaction product Substances 0.000 claims abstract description 6
- 239000004115 Sodium Silicate Substances 0.000 claims description 34
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 32
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 30
- 229910052641 aegirine Inorganic materials 0.000 claims description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 2
- 238000004898 kneading Methods 0.000 claims 2
- 239000002994 raw material Substances 0.000 abstract description 38
- 239000000047 product Substances 0.000 abstract description 34
- 239000011230 binding agent Substances 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000002411 adverse Effects 0.000 abstract description 7
- 239000000155 melt Substances 0.000 description 32
- 239000002245 particle Substances 0.000 description 32
- 238000006243 chemical reaction Methods 0.000 description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 14
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 13
- 239000000654 additive Substances 0.000 description 12
- 230000000996 additive effect Effects 0.000 description 11
- 239000002893 slag Substances 0.000 description 11
- 235000019795 sodium metasilicate Nutrition 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- 239000004449 solid propellant Substances 0.000 description 9
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 8
- 235000013980 iron oxide Nutrition 0.000 description 7
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 235000019738 Limestone Nutrition 0.000 description 5
- 239000000292 calcium oxide Substances 0.000 description 5
- 235000012255 calcium oxide Nutrition 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 239000006028 limestone Substances 0.000 description 5
- 239000011734 sodium Substances 0.000 description 5
- 229910052783 alkali metal Inorganic materials 0.000 description 4
- 150000001340 alkali metals Chemical class 0.000 description 4
- 239000004568 cement Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000009770 conventional sintering Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 235000019351 sodium silicates Nutrition 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- POWFTOSLLWLEBN-UHFFFAOYSA-N tetrasodium;silicate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-][Si]([O-])([O-])[O-] POWFTOSLLWLEBN-UHFFFAOYSA-N 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 239000000440 bentonite Substances 0.000 description 2
- 229910000278 bentonite Inorganic materials 0.000 description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- -1 Fe20 Chemical compound 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 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
- YYRMJZQKEFZXMX-UHFFFAOYSA-L calcium bis(dihydrogenphosphate) Chemical compound [Ca+2].OP(O)([O-])=O.OP(O)([O-])=O YYRMJZQKEFZXMX-UHFFFAOYSA-L 0.000 description 1
- 229940062672 calcium dihydrogen phosphate Drugs 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- WETINTNJFLGREW-UHFFFAOYSA-N calcium;iron;tetrahydrate Chemical compound O.O.O.O.[Ca].[Fe].[Fe] WETINTNJFLGREW-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 235000019691 monocalcium phosphate Nutrition 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/242—Binding; Briquetting ; Granulating with binders
-
- 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
- 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
Landscapes
- 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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11-141669 | 1999-05-21 | ||
| JP14166999A JP4084906B2 (ja) | 1999-05-21 | 1999-05-21 | 焼結鉱の製造方法およびその焼結鉱 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2308837A1 CA2308837A1 (en) | 2000-11-21 |
| CA2308837C true CA2308837C (en) | 2004-08-03 |
Family
ID=15297444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002308837A Expired - Fee Related CA2308837C (en) | 1999-05-21 | 2000-05-19 | Process for producing sintered ore and the sintered ore |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6682583B1 (enExample) |
| JP (1) | JP4084906B2 (enExample) |
| KR (1) | KR100358404B1 (enExample) |
| AU (1) | AU736200B2 (enExample) |
| CA (1) | CA2308837C (enExample) |
| DE (1) | DE10025224C2 (enExample) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040211337A1 (en) * | 2001-08-20 | 2004-10-28 | Lee In Yeon | Polishing slurry comprising silica-coated ceria |
| KR20030054033A (ko) * | 2001-12-24 | 2003-07-02 | 주식회사 포스코 | 소결조업용 배합원료 제조방법 |
| US20040002421A1 (en) * | 2002-06-28 | 2004-01-01 | Tsuneo Nihei | Method for manufacturing catalytic stuff and catalytic stuff |
| JP5004421B2 (ja) * | 2004-09-17 | 2012-08-22 | Ｊｆｅスチール株式会社 | 焼結鉱の製造方法 |
| CN100412211C (zh) * | 2006-01-25 | 2008-08-20 | 周德聪 | 一种用于生产球团矿的粘结剂及其制备方法 |
| KR101794362B1 (ko) * | 2009-11-17 | 2017-11-06 | 발레 에스.에이. | 소결 공정에서 사용될 분광석 응집체 및 분광석 응집체의 생산 공정 |
| JP5799892B2 (ja) * | 2012-05-22 | 2015-10-28 | 新日鐵住金株式会社 | 焼結原料の造粒方法 |
| CN103667681B (zh) * | 2012-09-19 | 2015-08-26 | 宝山钢铁股份有限公司 | 一种铁矿粉制粒方法 |
| CN104073632B (zh) * | 2013-03-27 | 2017-08-11 | 鞍钢股份有限公司 | 一种用轧钢油泥作粘结剂的高炉氧化球团及其制备方法 |
| CZ304951B6 (cs) | 2013-07-08 | 2015-02-04 | Ecofer, S.R.O. | Tavidlo pro aglomeraci, způsob výroby tavidla, aglomerační směs pro výrobu aglomerátu a použití strusek sekundární metalurgie jako tavidel pro přípravu aglomerační směsi |
| CN103468939B (zh) * | 2013-09-06 | 2016-02-24 | 鞍钢股份有限公司 | 一种冷压球团及其制备方法 |
| CN107406905B (zh) * | 2015-03-06 | 2019-11-19 | 杰富意钢铁株式会社 | 烧结用模拟粒子及其制造方法 |
| CA3118561C (en) * | 2018-11-06 | 2023-07-04 | Sebastian Lang | Method and apparatus for continuously ensuring sufficient quality of green pellets |
| KR102251037B1 (ko) * | 2019-08-09 | 2021-05-12 | 주식회사 포스코 | 소결광 제조 방법 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1029568B (de) | 1955-10-31 | 1958-05-08 | United Steel Companies Ltd | Verfahren zur Vorbehandlung von auf Rosten zu sinternden Erzen, Erzkonzentraten und metallhaltigen Rueckstaenden |
| JPS559045B2 (enExample) * | 1973-10-02 | 1980-03-07 | ||
| US3975183A (en) * | 1975-03-20 | 1976-08-17 | Nalco Chemical Company | Use of alkali metal silicates to reduce particulate emissions in sintering operations |
| GB8529418D0 (en) * | 1985-11-29 | 1986-01-08 | Allied Colloids Ltd | Iron ore pelletisation |
| JPH0796688B2 (ja) | 1990-07-23 | 1995-10-18 | 住友金属工業株式会社 | 焼結原料の事前処理方法 |
| DE4116334A1 (de) | 1991-05-18 | 1992-03-19 | Diethelm Klose | Silicatische bindung feinteiliger metall-/schwermetalloxide bei exo-/endothermen prozessen >= 700(grad)c bis <= 1400(grad)c durch zusatz von silicaten, die in diesem temperaturbereich erweichen/schmelzen |
| RU2103386C1 (ru) * | 1993-11-05 | 1998-01-27 | Малое научно-внедренческое предприятие "Сибтерм" | Способ получения окускованной шихты |
| JP3476371B2 (ja) * | 1998-09-08 | 2003-12-10 | 株式会社神戸製鋼所 | 鉄鉱石ペレット製造方法 |
-
1999
- 1999-05-21 JP JP14166999A patent/JP4084906B2/ja not_active Expired - Fee Related
-
2000
- 2000-05-16 AU AU35327/00A patent/AU736200B2/en not_active Ceased
- 2000-05-17 US US09/572,459 patent/US6682583B1/en not_active Expired - Fee Related
- 2000-05-19 KR KR1020000026983A patent/KR100358404B1/ko not_active Expired - Fee Related
- 2000-05-19 CA CA002308837A patent/CA2308837C/en not_active Expired - Fee Related
- 2000-05-22 DE DE10025224A patent/DE10025224C2/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE10025224A1 (de) | 2000-11-23 |
| KR20000077339A (ko) | 2000-12-26 |
| AU3532700A (en) | 2000-11-30 |
| DE10025224C2 (de) | 2003-06-18 |
| AU736200B2 (en) | 2001-07-26 |
| JP2000328145A (ja) | 2000-11-28 |
| US6682583B1 (en) | 2004-01-27 |
| JP4084906B2 (ja) | 2008-04-30 |
| CA2308837A1 (en) | 2000-11-21 |
| KR100358404B1 (ko) | 2002-10-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20160519 |