UA72754C2 - A method for decreasing the elutriation loss of fine iron ore in a circulating fluidized bed type reducing operation in furnace (variants) - Google Patents
A method for decreasing the elutriation loss of fine iron ore in a circulating fluidized bed type reducing operation in furnace (variants) Download PDFInfo
- Publication number
- UA72754C2 UA72754C2 UA2001096332A UA2001096332A UA72754C2 UA 72754 C2 UA72754 C2 UA 72754C2 UA 2001096332 A UA2001096332 A UA 2001096332A UA 2001096332 A UA2001096332 A UA 2001096332A UA 72754 C2 UA72754 C2 UA 72754C2
- Authority
- UA
- Ukraine
- Prior art keywords
- iron ore
- fluidized bed
- furnace
- particles
- finely divided
- Prior art date
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 278
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 136
- 238000000034 method Methods 0.000 title claims abstract description 50
- 230000003247 decreasing effect Effects 0.000 title abstract 2
- 239000010802 sludge Substances 0.000 claims abstract description 27
- 235000019738 Limestone Nutrition 0.000 claims abstract description 7
- 239000006028 limestone Substances 0.000 claims abstract description 7
- 239000010459 dolomite Substances 0.000 claims abstract description 5
- 229910000514 dolomite Inorganic materials 0.000 claims abstract description 5
- 239000002245 particle Substances 0.000 claims description 108
- 238000011084 recovery Methods 0.000 claims description 50
- 239000007789 gas Substances 0.000 claims description 34
- 239000000654 additive Substances 0.000 claims description 32
- 230000008569 process Effects 0.000 claims description 25
- 239000002002 slurry Substances 0.000 claims description 20
- 230000000996 additive effect Effects 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 19
- 239000002912 waste gas Substances 0.000 claims description 13
- 230000009467 reduction Effects 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 6
- 241000202943 Hernandia sonora Species 0.000 claims 1
- 238000012876 topography Methods 0.000 claims 1
- 238000001035 drying Methods 0.000 abstract description 9
- 238000002156 mixing Methods 0.000 abstract description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract 4
- 229910000019 calcium carbonate Inorganic materials 0.000 abstract 2
- 235000010216 calcium carbonate Nutrition 0.000 abstract 2
- 239000001095 magnesium carbonate Substances 0.000 abstract 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 abstract 1
- 235000014380 magnesium carbonate Nutrition 0.000 abstract 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 abstract 1
- 238000005245 sintering Methods 0.000 description 15
- 238000002474 experimental method Methods 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 8
- 238000011068 loading method Methods 0.000 description 8
- 238000005054 agglomeration Methods 0.000 description 6
- 230000002776 aggregation Effects 0.000 description 6
- 238000005243 fluidization Methods 0.000 description 6
- 238000000227 grinding Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000343235 Maso Species 0.000 description 1
- 101100165358 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) BIO5 gene Proteins 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000005494 tarnishing Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0033—In fluidised bed furnaces or apparatus containing a dispersion of the material
-
- 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
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/12—Dry methods smelting of sulfides or formation of mattes by gases
- C22B5/14—Dry methods smelting of sulfides or formation of mattes by gases fluidised material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Dispersion Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Manufacture Of Iron (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/KR1999/000776 WO2001044518A1 (en) | 1999-12-16 | 1999-12-16 | Method for decreasing elutriation loss of fine iron ore in fluidized bed type reducing operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| UA72754C2 true UA72754C2 (en) | 2005-04-15 |
Family
ID=19571236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| UA2001096332A UA72754C2 (en) | 1999-12-16 | 1999-12-16 | A method for decreasing the elutriation loss of fine iron ore in a circulating fluidized bed type reducing operation in furnace (variants) |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP1157136B1 (de) |
| JP (1) | JP2003517097A (de) |
| AT (1) | ATE269419T1 (de) |
| AU (1) | AU757017B2 (de) |
| CA (1) | CA2363102C (de) |
| DE (1) | DE69918183T2 (de) |
| UA (1) | UA72754C2 (de) |
| WO (1) | WO2001044518A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT508775B1 (de) * | 2009-10-16 | 2011-04-15 | Siemens Vai Metals Tech Gmbh | Verfahren und vorrichtung zur herstellung von flüssigem roheisen in einem einschmelzvergaser unter nutzung von kohlenstoffhaltigem schlamm |
| RU2706273C1 (ru) * | 2019-03-27 | 2019-11-15 | федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский горный университет" | Способ получения гранулированного шлака |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU943307A1 (ru) * | 1980-12-30 | 1982-07-15 | Донецкий научно-исследовательский институт черной металлургии | Способ усреднени агломерационной шихты |
| JPH0751725B2 (ja) * | 1988-09-02 | 1995-06-05 | 川崎製鉄株式会社 | 流動層予備還元炉の立上げ方法 |
| JPH0637657B2 (ja) * | 1990-01-22 | 1994-05-18 | 川崎製鉄株式会社 | 粉状鉄鉱石の循環流動層予備還元方法 |
| RU2016099C1 (ru) * | 1990-08-26 | 1994-07-15 | Акционерное общество открытого типа "Всероссийского алюминиево-магниевый институт" | Способ производства железорудного агломерата |
| DE4437549C2 (de) * | 1994-10-20 | 1996-08-08 | Metallgesellschaft Ag | Verfahren zur Herstellung von metallischem Eisen aus feinkörnigem Eisenerz |
-
1999
- 1999-12-16 CA CA002363102A patent/CA2363102C/en not_active Expired - Fee Related
- 1999-12-16 AT AT99959988T patent/ATE269419T1/de active
- 1999-12-16 JP JP2001545595A patent/JP2003517097A/ja active Pending
- 1999-12-16 EP EP99959988A patent/EP1157136B1/de not_active Expired - Lifetime
- 1999-12-16 WO PCT/KR1999/000776 patent/WO2001044518A1/en active IP Right Grant
- 1999-12-16 AU AU16942/00A patent/AU757017B2/en not_active Ceased
- 1999-12-16 UA UA2001096332A patent/UA72754C2/uk unknown
- 1999-12-16 DE DE69918183T patent/DE69918183T2/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2003517097A (ja) | 2003-05-20 |
| EP1157136A1 (de) | 2001-11-28 |
| DE69918183T2 (de) | 2005-07-28 |
| WO2001044518A1 (en) | 2001-06-21 |
| AU1694200A (en) | 2001-06-25 |
| ATE269419T1 (de) | 2004-07-15 |
| AU757017B2 (en) | 2003-01-30 |
| EP1157136B1 (de) | 2004-06-16 |
| CA2363102A1 (en) | 2001-06-21 |
| CA2363102C (en) | 2007-05-22 |
| DE69918183D1 (de) | 2004-07-22 |
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