RU97115897A - METHOD FOR PRODUCING COAL AGLOMERATES USED IN FURNACES OF DIRECT REDUCING IRON Smelting - Google Patents

METHOD FOR PRODUCING COAL AGLOMERATES USED IN FURNACES OF DIRECT REDUCING IRON Smelting

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Publication number
RU97115897A
RU97115897A RU97115897/04A RU97115897A RU97115897A RU 97115897 A RU97115897 A RU 97115897A RU 97115897/04 A RU97115897/04 A RU 97115897/04A RU 97115897 A RU97115897 A RU 97115897A RU 97115897 A RU97115897 A RU 97115897A
Authority
RU
Russia
Prior art keywords
coal
fine coal
aglomerates
furnaces
temperature
Prior art date
Application number
RU97115897/04A
Other languages
Russian (ru)
Other versions
RU2122012C1 (en
Inventor
Чае Джунг Еунг
Хой Ли Дал
Еунг Чо Мин
Original Assignee
Поханг Айрон энд Стил Ко., Лтд.,
Рисерч Инститьют оф Индастриал Сайенс энд Текнолоджи
Фоест-Альпине Индустрианлагенбау ГмбХ
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from KR1019950065206A external-priority patent/KR100206500B1/en
Application filed by Поханг Айрон энд Стил Ко., Лтд.,, Рисерч Инститьют оф Индастриал Сайенс энд Текнолоджи, Фоест-Альпине Индустрианлагенбау ГмбХ filed Critical Поханг Айрон энд Стил Ко., Лтд.,
Application granted granted Critical
Publication of RU2122012C1 publication Critical patent/RU2122012C1/en
Publication of RU97115897A publication Critical patent/RU97115897A/en

Links

Claims (6)

1. Способ производства угольных агломератов, применяемых в печи прямой восстановительной плавки железной руды, включающий использование мелкодисперсного угля, отличающийся тем, что мелкодисперсный уголь имеет индекс свободного набухания, равный 3 или более, и размер частиц составляет 8 мм или менее, и мелкодисперсный уголь агломерируют путем нагревания его до температуры 600oС или выше в течение 5 мин или более.1. A method of producing coal agglomerates used in a direct reduction smelting furnace of iron ore, comprising the use of fine coal, characterized in that the fine coal has a free swelling index of 3 or more, and the particle size is 8 mm or less, and the fine coal agglomerate by heating it to a temperature of 600 o C or higher for 5 minutes or more. 2. Способ по п.1, отличающийся тем, что мелкодисперсный уголь агломерируют при температуре 650-850oС.2. The method according to claim 1, characterized in that the finely divided coal agglomerate at a temperature of 650-850 o C. 3. Способ по любому из пп.1 и 2, отличающийся тем, что мелкодисперсный уголь получают из процесса прямой восстановительной плавки железной руды. 3. The method according to any one of claims 1 and 2, characterized in that the finely dispersed coal is obtained from the process of direct reducing smelting of iron ore. 4. Способ производства угольных агломератов, применяемых в печи прямой восстановительной плавки железной руды, включающий использование мелкодисперсного угля, отличающийся тем, что мелкодисперсный уголь имеет индекс свободного набухания, равный 3 или более, и размер частиц составляет 8 мм или менее, причем мелкодисперсный уголь смешивают с незначительно свободно набухающим углем или антрацитом в количестве 70 вес.% или менее, и смесь мелкодисперсного угля агломерируют путем нагревания ее до температуры 600oС или выше в течение 5 мин или более.4. A method for the production of coal agglomerates used in a direct reduction smelting furnace of iron ore, comprising the use of fine coal, characterized in that the fine coal has a free swelling index of 3 or more, and the particle size is 8 mm or less, and the fine coal is mixed with slightly freely swelling coal or anthracite in an amount of 70 wt.% or less, and a mixture of finely divided coal is agglomerated by heating it to a temperature of 600 o C or higher for 5 minutes or more her. 5. Способ по п.4, отличающийся тем, что мелкодисперсный уголь агломерируют при температуре 650-850oС.5. The method according to claim 4, characterized in that the fine coal is agglomerated at a temperature of 650-850 o C. 6. Способ по любому из пп.4 и 5, отличающийся тем, что мелкодисперсный уголь получают из процесса прямой восстановительной плавки железной руды. 6. The method according to any one of claims 4 and 5, characterized in that the finely dispersed coal is obtained from the process of direct reducing smelting of iron ore.
RU97115897A 1995-12-29 1996-12-27 Method of preparing coal agglomerates used in furnace for direct iron ore reductive smelting RU2122012C1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1995/65206 1995-12-29
KR1019950065206A KR100206500B1 (en) 1995-12-29 1995-12-29 Method of block coke for iron melting furnace

Publications (2)

Publication Number Publication Date
RU2122012C1 RU2122012C1 (en) 1998-11-20
RU97115897A true RU97115897A (en) 1999-03-20

Family

ID=19446974

Family Applications (1)

Application Number Title Priority Date Filing Date
RU97115897A RU2122012C1 (en) 1995-12-29 1996-12-27 Method of preparing coal agglomerates used in furnace for direct iron ore reductive smelting

Country Status (13)

Country Link
US (1) US5897674A (en)
EP (1) EP0812347B1 (en)
JP (1) JP2891384B2 (en)
KR (1) KR100206500B1 (en)
AT (1) ATE225838T1 (en)
AU (1) AU701975B2 (en)
BR (1) BR9607052A (en)
CA (1) CA2212104C (en)
DE (1) DE69624224T2 (en)
RU (1) RU2122012C1 (en)
UA (1) UA43398C2 (en)
WO (1) WO1997024414A1 (en)
ZA (1) ZA9610909B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6126705A (en) * 1996-04-10 2000-10-03 Ilecard Pty Ltd Process for treating coal tailings
US7632651B2 (en) * 1997-09-15 2009-12-15 Mds Analytical Technologies (Us) Inc. Molecular modification assays
US7745142B2 (en) * 1997-09-15 2010-06-29 Molecular Devices Corporation Molecular modification assays
US20050227294A1 (en) * 1997-09-15 2005-10-13 Molecular Devices Corporation Molecular modification assays involving lipids
EP1096793B1 (en) * 1999-10-25 2004-09-22 Spotware Technologies, Inc. System, method, signal, user interface and software to display thumbnail banners
RU2537151C1 (en) * 2013-06-18 2014-12-27 Открытое акционерное общество "Восточный научно-исследовательский углехимический институт" (ОАО "ВУХИН") Preparation of free-burning coal
CN104894367B (en) * 2014-03-05 2020-11-03 华北理工大学 Method for sintering acid pellet and alkaline material mixed super-thick material layer

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1810070A (en) * 1928-11-15 1931-06-16 New Jersey Zinc Co Preparation of coked agglomerates
DE2128949B1 (en) * 1971-06-11 1972-12-28 Eschweiler Bergwerks Verein, 5122 Kohlscheid Thermal pretreatment process for the hot chain binding of baking hard coals
CA1110068A (en) * 1977-06-17 1981-10-06 Eugene A. Thiers Method utilizing co.sub.2 for cooling agglomerates of coke
CA1118207A (en) * 1977-06-17 1982-02-16 Eugene A. Thiers Continuous coke production from fine coal, char and low grade coal agglomerates by agglomeration and hardening stages
US4234320A (en) * 1979-04-23 1980-11-18 Shell Oil Company Process for the agglomeration of solids
US4770766A (en) * 1986-03-12 1988-09-13 Otisca Industries, Ltd. Time-controlled processes for agglomerating coal
US4830637A (en) * 1988-03-28 1989-05-16 Consolidation Coal Company Preagglomeration of fine coal before thermal dryer in a preparation plant
FR2662172B1 (en) * 1990-05-16 1992-09-04 Normandie Combustibles COMBUSTIBLE AGGLOMERATES COMPRISING A GRANULAR CARBON FUEL MATERIAL AND A BINDER AND THEIR MANUFACTURING METHOD.

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