CS212764B2 - Iron ore pellets and method of manufacturing same - Google Patents
Iron ore pellets and method of manufacturing same Download PDFInfo
- Publication number
- CS212764B2 CS212764B2 CS763513A CS351376A CS212764B2 CS 212764 B2 CS212764 B2 CS 212764B2 CS 763513 A CS763513 A CS 763513A CS 351376 A CS351376 A CS 351376A CS 212764 B2 CS212764 B2 CS 212764B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- pellets
- pellet
- spherical
- furnace
- iron ore
- Prior art date
Links
- 239000008188 pellet Substances 0.000 title claims abstract description 175
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 14
- 229910000805 Pig iron Inorganic materials 0.000 claims abstract description 7
- 239000012256 powdered iron Substances 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 16
- 238000005453 pelletization Methods 0.000 claims description 5
- 230000009467 reduction Effects 0.000 abstract description 13
- 238000010304 firing Methods 0.000 abstract description 6
- 239000002245 particle Substances 0.000 abstract description 6
- 238000010791 quenching Methods 0.000 abstract description 3
- 230000000171 quenching effect Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 230000032683 aging Effects 0.000 abstract 1
- 239000008187 granular material Substances 0.000 abstract 1
- 150000002505 iron Chemical class 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 239000000571 coke Substances 0.000 description 31
- 238000006722 reduction reaction Methods 0.000 description 17
- 239000007789 gas Substances 0.000 description 16
- 238000001816 cooling Methods 0.000 description 8
- 239000000155 melt Substances 0.000 description 7
- 230000035699 permeability Effects 0.000 description 6
- 238000005469 granulation Methods 0.000 description 5
- 230000003179 granulation Effects 0.000 description 5
- 238000000227 grinding Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000972773 Aulopiformes Species 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 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
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000002925 chemical effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 235000019515 salmon Nutrition 0.000 description 1
- 238000010583 slow cooling Methods 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
- C22B1/2406—Binding; Briquetting ; Granulating pelletizing
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 |
|---|---|---|---|
| JP6331875A JPS51138512A (en) | 1975-05-26 | 1975-05-26 | Operation met hod of blast furnace |
| JP6331775A JPS51138513A (en) | 1975-05-26 | 1975-05-26 | Iron ore pellet and its production method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS212764B2 true CS212764B2 (en) | 1982-03-26 |
Family
ID=26404413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS763513A CS212764B2 (en) | 1975-05-26 | 1976-05-26 | Iron ore pellets and method of manufacturing same |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4129437A (ro) |
| BR (1) | BR7603337A (ro) |
| CA (1) | CA1078621A (ro) |
| CS (1) | CS212764B2 (ro) |
| DE (1) | DE2623689C3 (ro) |
| ES (1) | ES448276A1 (ro) |
| FR (1) | FR2312567A1 (ro) |
| GB (1) | GB1480325A (ro) |
| IT (1) | IT1061428B (ro) |
| NL (1) | NL7605673A (ro) |
| RO (1) | RO76202A (ro) |
| YU (1) | YU127276A (ro) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4522649A (en) * | 1982-08-09 | 1985-06-11 | United States Steel Corporation | Method of furnace operation with high pellet burdens |
| US4436552A (en) | 1982-08-09 | 1984-03-13 | United States Steel Corporation | Method of furnace operation with high pellet burdens |
| JPS61106728A (ja) * | 1984-10-31 | 1986-05-24 | Nippon Kokan Kk <Nkk> | 塊成鉱及びその製造方法 |
| GB2532689B (en) * | 2013-08-19 | 2020-04-15 | Antonio M Gomez Rodolfo | A process for producing and reducing an iron ore briquette |
| CN103882167A (zh) * | 2014-03-21 | 2014-06-25 | 济钢集团有限公司 | 一种高炉料层结构 |
| US11866372B2 (en) * | 2020-05-28 | 2024-01-09 | Saudi Arabian Oil Company | Bn) drilling tools made of wurtzite boron nitride (W-BN) |
| US12042868B2 (en) | 2020-06-02 | 2024-07-23 | Saudi Arabian Oil Company | Producing catalyst-free PDC cutters |
| US12024470B2 (en) | 2021-02-08 | 2024-07-02 | Saudi Arabian Oil Company | Fabrication of downhole drilling tools |
| US11572752B2 (en) | 2021-02-24 | 2023-02-07 | Saudi Arabian Oil Company | Downhole cable deployment |
| US11727555B2 (en) | 2021-02-25 | 2023-08-15 | Saudi Arabian Oil Company | Rig power system efficiency optimization through image processing |
| US11846151B2 (en) | 2021-03-09 | 2023-12-19 | Saudi Arabian Oil Company | Repairing a cased wellbore |
| CN113628171B (zh) * | 2021-07-19 | 2023-09-19 | 北京科技大学 | 一种基于机器视觉及数据驱动的球团生产方法及装置 |
| US11624265B1 (en) | 2021-11-12 | 2023-04-11 | Saudi Arabian Oil Company | Cutting pipes in wellbores using downhole autonomous jet cutting tools |
| US11867012B2 (en) | 2021-12-06 | 2024-01-09 | Saudi Arabian Oil Company | Gauge cutter and sampler apparatus |
| US12203366B2 (en) | 2023-05-02 | 2025-01-21 | Saudi Arabian Oil Company | Collecting samples from wellbores |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3012970A (en) * | 1959-07-27 | 1961-12-12 | Air Reduction | Method of preparing a charge for a furnace |
| DE1170975B (de) * | 1962-11-23 | 1964-05-27 | Still Fa Carl | Verfahren zur Herstellung von Koksstuecken in abgerundeter Form |
| FR1509740A (fr) * | 1967-01-31 | 1968-01-12 | Stirling Sintering Company | Procédé et appareil de récupération de matière en particules finement divisées |
| US3383199A (en) * | 1967-08-23 | 1968-05-14 | Allied Chem | Processing of iron oxide values |
| US3986864A (en) * | 1972-03-31 | 1976-10-19 | United States Steel Corporation | Method for briquette breaking |
| DE2263945C2 (de) * | 1972-12-29 | 1975-02-13 | Uwe Dr.Rer.Pol. 4300 Essen-Kupferdreh Schulten-Baumer | Massel für die Herstellung von GuBeisen |
| US3938987A (en) * | 1973-04-23 | 1976-02-17 | Mcdowell-Wellman Engineering Company | Process for preparing a smelter furnace charge composition |
| JPS559045B2 (ro) * | 1973-10-02 | 1980-03-07 | ||
| CA1005220A (en) * | 1974-02-25 | 1977-02-15 | National Research Council Of Canada | Method for producing ball agglomerated particulate material |
| LU71434A1 (ro) * | 1974-12-06 | 1976-11-11 |
-
1976
- 1976-05-25 IT IT23613/76A patent/IT1061428B/it active
- 1976-05-25 YU YU01272/76A patent/YU127276A/xx unknown
- 1976-05-25 FR FR7615814A patent/FR2312567A1/fr active Granted
- 1976-05-26 DE DE2623689A patent/DE2623689C3/de not_active Expired
- 1976-05-26 NL NL7605673A patent/NL7605673A/xx not_active Application Discontinuation
- 1976-05-26 CS CS763513A patent/CS212764B2/cs unknown
- 1976-05-26 BR BR3337/76A patent/BR7603337A/pt unknown
- 1976-05-26 GB GB21871/76A patent/GB1480325A/en not_active Expired
- 1976-05-26 CA CA253,373A patent/CA1078621A/en not_active Expired
- 1976-05-26 US US05/690,289 patent/US4129437A/en not_active Expired - Lifetime
- 1976-05-26 RO RO7686264A patent/RO76202A/ro unknown
- 1976-05-26 ES ES76448276A patent/ES448276A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES448276A1 (es) | 1978-01-16 |
| FR2312567A1 (fr) | 1976-12-24 |
| DE2623689A1 (de) | 1976-12-02 |
| NL7605673A (nl) | 1976-11-30 |
| DE2623689B2 (de) | 1978-01-26 |
| RO76202A (ro) | 1981-03-30 |
| AU1426776A (en) | 1978-06-15 |
| GB1480325A (en) | 1977-07-20 |
| BR7603337A (pt) | 1976-12-07 |
| US4129437A (en) | 1978-12-12 |
| YU127276A (en) | 1982-05-31 |
| CA1078621A (en) | 1980-06-03 |
| DE2623689C3 (de) | 1985-04-25 |
| IT1061428B (it) | 1983-02-28 |
| FR2312567B1 (ro) | 1978-09-01 |
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