CA1160456A - Process of heat-treating pellets - Google Patents
Process of heat-treating pelletsInfo
- Publication number
- CA1160456A CA1160456A CA000366215A CA366215A CA1160456A CA 1160456 A CA1160456 A CA 1160456A CA 000366215 A CA000366215 A CA 000366215A CA 366215 A CA366215 A CA 366215A CA 1160456 A CA1160456 A CA 1160456A
- Authority
- CA
- Canada
- Prior art keywords
- fuel
- heat
- zone
- cooling
- pellet bed
- 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
Links
- 239000008188 pellet Substances 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000008569 process Effects 0.000 title claims abstract description 24
- 239000000446 fuel Substances 0.000 claims abstract description 63
- 239000007789 gas Substances 0.000 claims abstract description 56
- 239000007787 solid Substances 0.000 claims abstract description 13
- 238000005453 pelletization Methods 0.000 claims abstract description 3
- 239000000112 cooling gas Substances 0.000 claims description 40
- 238000001816 cooling Methods 0.000 claims description 35
- 239000004449 solid propellant Substances 0.000 claims description 28
- 239000002245 particle Substances 0.000 claims description 15
- 239000000470 constituent Substances 0.000 claims description 9
- 238000009826 distribution Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 239000003575 carbonaceous material Substances 0.000 claims 1
- 238000010304 firing Methods 0.000 description 29
- 238000002485 combustion reaction Methods 0.000 description 19
- 239000003245 coal Substances 0.000 description 10
- 230000003247 decreasing effect Effects 0.000 description 7
- 238000001035 drying Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 101000852483 Homo sapiens Interleukin-1 receptor-associated kinase 1 Proteins 0.000 description 3
- 102100036342 Interleukin-1 receptor-associated kinase 1 Human genes 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000035611 feeding Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 206010039509 Scab Diseases 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 235000019391 nitrogen oxide Nutrition 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B21/00—Open or uncovered sintering apparatus; Other heat-treatment apparatus of like construction
- F27B21/06—Endless-strand sintering machines
-
- 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
-
- 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
- C22B1/2413—Binding; Briquetting ; Granulating enduration of pellets
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Metallurgy (AREA)
- General Engineering & Computer Science (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Solid-Fuel Combustion (AREA)
- Treatment Of Sludge (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP2949418.6 | 1979-12-08 | ||
DE2949418 | 1979-12-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1160456A true CA1160456A (en) | 1984-01-17 |
Family
ID=6087913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000366215A Expired CA1160456A (en) | 1979-12-08 | 1980-12-05 | Process of heat-treating pellets |
Country Status (8)
Country | Link |
---|---|
US (1) | US4373946A (forum.php) |
EP (1) | EP0030396B1 (forum.php) |
AT (1) | ATE3446T1 (forum.php) |
BR (1) | BR8007987A (forum.php) |
CA (1) | CA1160456A (forum.php) |
DE (1) | DE3063361D1 (forum.php) |
IN (1) | IN150952B (forum.php) |
ZA (1) | ZA807587B (forum.php) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3221283A1 (de) * | 1982-06-05 | 1984-03-15 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Verfahren zum abtrennen von nichteisenmetallen aus eisenhaltigen sekundaerstoffen |
DE3433043A1 (de) * | 1984-09-08 | 1986-03-20 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zur thermischen behandlung von stueckigen oder agglomerierten materialien auf einem wanderrost |
FR2650204B1 (fr) * | 1989-07-26 | 1993-07-16 | Saint Gobain Isover | Procede et dispositif pour le traitement de dechets de verre ou de fibres minerales en vue de leur recuperation |
US5207572A (en) * | 1989-07-26 | 1993-05-04 | Isover Saint-Gobain | Method and apparatus for the treatment and recovery of mineral fiber or glass waste |
DE4234085A1 (de) * | 1992-10-09 | 1994-04-14 | Metallgesellschaft Ag | Verfahren zum Hartbrennen von eisenoxidhaltigen Pellets |
DE19513549B4 (de) * | 1995-04-10 | 2005-03-03 | Siemens Ag | Pelletieranlage |
EA011459B1 (ru) * | 2007-03-28 | 2009-04-28 | Открытое Акционерное Общество "Научно-Исследовательский Институт Металлургической Теплотехники" Оао "Вниимт" | Способ термообработки железорудных окатышей |
US20110143291A1 (en) * | 2009-12-11 | 2011-06-16 | Clements Bruce | Flue gas recirculation method and system for combustion systems |
DE102011110842A1 (de) | 2011-08-23 | 2013-02-28 | Outotec Oyj | Vorrichtung und Verfahren zur thermischen Behandlung von stückigem oder agglomeriertem Material |
CN106435165B (zh) * | 2016-08-31 | 2019-01-11 | 山东钢铁股份有限公司 | 一种球团烧结设备 |
RU2652684C1 (ru) * | 2017-03-10 | 2018-04-28 | Общество с ограниченной ответственностью "Научно-производственное внедренческое предприятие ТОРЭКС" | Способ и устройство для производства окатышей |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA682991A (en) * | 1964-03-24 | Dravo Corporation | Method of and apparatus for the endothermic processing of ores | |
US1896884A (en) * | 1931-11-06 | 1933-02-07 | Lehigh Navigation Coal Company | Method of producing light weight aggregates from breaker waste and the like |
DE735258C (de) * | 1933-11-14 | 1943-05-10 | Fellner & Ziegler G M B H | Verblaserost zum Kalzinieren, Roesten und Sintern unter Zumischung von Brennstoff zum Rohstoff |
US3024101A (en) * | 1956-05-25 | 1962-03-06 | Cleveland Cliffs Iron | Updraft traveling grate pelletizing furnace |
US3042390A (en) * | 1958-07-11 | 1962-07-03 | Metallgesellschaft Ag | Seals for the gas hoods of sintering machines |
ES284703A1 (es) * | 1962-02-12 | 1963-07-01 | Metallgesellschaft Ag | Un procedimiento para la calcinación dura de píldoras de minerales, materias primas de cemento y similares |
GB1069317A (en) * | 1964-04-13 | 1967-05-17 | Allied Chem | Processing of oxidic ores |
US3332770A (en) * | 1965-04-01 | 1967-07-25 | Dravo Corp | Apparatus for reduction firing of iron ore pellets |
US3620519A (en) * | 1969-11-24 | 1971-11-16 | Dravo Corp | Traveling grate apparatus and method |
US4181520A (en) * | 1975-01-14 | 1980-01-01 | Metallgesellschaft Aktiengesellschaft | Process for the direct reduction of iron oxide-containing materials in a rotary kiln |
-
1980
- 1980-06-12 IN IN695/CAL/80A patent/IN150952B/en unknown
- 1980-10-22 DE DE8080201002T patent/DE3063361D1/de not_active Expired
- 1980-10-22 AT AT80201002T patent/ATE3446T1/de not_active IP Right Cessation
- 1980-10-22 EP EP80201002A patent/EP0030396B1/de not_active Expired
- 1980-12-04 ZA ZA00807587A patent/ZA807587B/xx unknown
- 1980-12-05 CA CA000366215A patent/CA1160456A/en not_active Expired
- 1980-12-05 BR BR8007987A patent/BR8007987A/pt not_active IP Right Cessation
- 1980-12-08 US US06/214,525 patent/US4373946A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE3063361D1 (en) | 1983-07-07 |
IN150952B (forum.php) | 1983-01-29 |
ZA807587B (en) | 1982-07-28 |
ATE3446T1 (de) | 1983-06-15 |
EP0030396A1 (de) | 1981-06-17 |
BR8007987A (pt) | 1981-06-23 |
EP0030396B1 (de) | 1983-05-18 |
US4373946A (en) | 1983-02-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |