GB2189260A - Improved process for producing metallized pellets - Google Patents
Improved process for producing metallized pellets Download PDFInfo
- Publication number
- GB2189260A GB2189260A GB8707680A GB8707680A GB2189260A GB 2189260 A GB2189260 A GB 2189260A GB 8707680 A GB8707680 A GB 8707680A GB 8707680 A GB8707680 A GB 8707680A GB 2189260 A GB2189260 A GB 2189260A
- Authority
- GB
- United Kingdom
- Prior art keywords
- reducing gas
- water
- scrub
- spent
- reducing
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 46
- 239000008188 pellet Substances 0.000 title claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 49
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 36
- 229910052717 sulfur Inorganic materials 0.000 claims description 36
- 239000011593 sulfur Substances 0.000 claims description 36
- 239000000428 dust Substances 0.000 claims description 25
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical group [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 229910044991 metal oxide Inorganic materials 0.000 claims description 11
- 150000004706 metal oxides Chemical class 0.000 claims description 11
- 150000001455 metallic ions Chemical class 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 230000003134 recirculating effect Effects 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 4
- 239000002351 wastewater Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims 1
- 229910052791 calcium Inorganic materials 0.000 claims 1
- 239000011575 calcium Substances 0.000 claims 1
- 238000011084 recovery Methods 0.000 claims 1
- 238000002407 reforming Methods 0.000 claims 1
- 238000005201 scrubbing Methods 0.000 claims 1
- 229910052725 zinc Inorganic materials 0.000 claims 1
- 239000011701 zinc Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 41
- 239000003054 catalyst Substances 0.000 description 21
- 238000011109 contamination Methods 0.000 description 11
- 238000011946 reduction process Methods 0.000 description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 230000003993 interaction Effects 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 239000002910 solid waste Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011236 particulate material Substances 0.000 description 2
- 241000969130 Atthis Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 229910000428 cobalt oxide Inorganic materials 0.000 description 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 150000003464 sulfur compounds Chemical class 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
- C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
- C21B13/029—Introducing coolant gas in the shaft furnaces
-
- 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
- C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
- C21B2100/22—Increasing the gas reduction potential of recycled exhaust gases by reforming
-
- 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
- C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
- C21B2100/42—Sulphur removal
-
- 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
- C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
- C21B2100/64—Controlling the physical properties of the gas, e.g. pressure or temperature
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Manufacture Of Iron (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US85327586A | 1986-04-17 | 1986-04-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB8707680D0 GB8707680D0 (en) | 1987-05-07 |
| GB2189260A true GB2189260A (en) | 1987-10-21 |
Family
ID=25315577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8707680A Withdrawn GB2189260A (en) | 1986-04-17 | 1987-03-31 | Improved process for producing metallized pellets |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS62290811A (enrdf_load_stackoverflow) |
| AT (1) | AT396253B (enrdf_load_stackoverflow) |
| DE (1) | DE3712846A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2189260A (enrdf_load_stackoverflow) |
| MY (1) | MY101724A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7780756B2 (en) | 2005-08-30 | 2010-08-24 | E.I. Du Pont De Nemours And Company | Ore reduction process and titanium oxide and iron metallization product |
| US8372179B2 (en) | 2007-10-15 | 2013-02-12 | E I Du Pont De Nemours And Company | Ore reduction process using carbon based materials having a low sulfur content and titanium oxide and iron metallization product therefrom |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106191362B (zh) * | 2016-09-13 | 2018-02-09 | 江苏省冶金设计院有限公司 | 一种气基竖炉的喷嘴式还原气入炉装置及其方法 |
| CN106191361B (zh) * | 2016-09-13 | 2018-02-09 | 江苏省冶金设计院有限公司 | 一种气基竖炉的管道式还原气入炉装置及其方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3128174A (en) * | 1959-06-26 | 1964-04-07 | Fierro Esponja | Method of making sponge iron |
| US3748120A (en) * | 1971-04-15 | 1973-07-24 | Midland Ross Corp | Method of and apparatus for reducing iron oxide to metallic iron |
| US3749386A (en) * | 1971-07-01 | 1973-07-31 | Midland Ross Corp | Method and means for reducing iron oxides in a gaseous reduction process |
| DE2241168A1 (de) * | 1972-08-22 | 1974-03-28 | Metallgesellschaft Ag | Verfahren zur erzeugung von schwammeisen |
| US4049441A (en) * | 1976-03-04 | 1977-09-20 | Midrex Corporation | Method of extending the life of a catalyst in a process of producing metallic iron pellets |
| US4032352A (en) * | 1976-05-03 | 1977-06-28 | Midrex Corporation | Binder composition |
| JPS5946286B2 (ja) * | 1977-09-05 | 1984-11-12 | 新日本製鐵株式会社 | 真空脱ガス容器 |
| JPS5710928A (en) * | 1980-06-24 | 1982-01-20 | Toshiba Corp | Manufacture of semiconductor element |
-
1987
- 1987-03-31 GB GB8707680A patent/GB2189260A/en not_active Withdrawn
- 1987-04-07 MY MYPI87000451A patent/MY101724A/en unknown
- 1987-04-09 AT AT0088887A patent/AT396253B/de not_active IP Right Cessation
- 1987-04-15 DE DE19873712846 patent/DE3712846A1/de active Granted
- 1987-04-17 JP JP62093425A patent/JPS62290811A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7780756B2 (en) | 2005-08-30 | 2010-08-24 | E.I. Du Pont De Nemours And Company | Ore reduction process and titanium oxide and iron metallization product |
| US8372179B2 (en) | 2007-10-15 | 2013-02-12 | E I Du Pont De Nemours And Company | Ore reduction process using carbon based materials having a low sulfur content and titanium oxide and iron metallization product therefrom |
Also Published As
| Publication number | Publication date |
|---|---|
| GB8707680D0 (en) | 1987-05-07 |
| DE3712846A1 (de) | 1987-11-12 |
| JPH0575808B2 (enrdf_load_stackoverflow) | 1993-10-21 |
| MY101724A (en) | 1992-01-17 |
| AT396253B (de) | 1993-07-26 |
| DE3712846C2 (enrdf_load_stackoverflow) | 1993-03-11 |
| ATA88887A (de) | 1992-11-15 |
| JPS62290811A (ja) | 1987-12-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |