FIELD: chemistry.
SUBSTANCE: invention relates to a method for direct reduction of metal oxide-containing starting materials to form a metallised material by contact with a hot reducing gas in a reducing plant. Direct reduction product is unloaded from the reduction plant through the product unloading device, which is purged with protective gas and from which the exhaust gas is removed and then subjected to dedusting. At least a partial amount of dust-free exhaust gas is used as an energy source during combustion to obtain reducing gas and/or as a component of combustible furnace gas during combustion for heating of reducing gas.
EFFECT: invention also relates to a device for realizing the method.
5 cl, 4 dwg
| Title |
Year |
Author |
Number |
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2017 |
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|
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|
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|
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2009 |
|
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|
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|
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| METHOD OF REDUCTION BASED ON REFORMING-GAS WITH REDUCED NO EMISSIONS |
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- Mill'Ner,Robert
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|
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| DEVICE FOR CONTROL OF PROCESS GASES IN APPARATUS FOR PRODUCING METAL BY DIRECT REDUCTION OF ORE |
2012 |
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|
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| METHOD AND DEVICE FOR INTRODUCING A FINE-DISPERSED MATERIAL IN A FLUIDIZED LAYER OF A RESTORABLE UNIT WITH A FLUIDIZED LAYER |
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|
RU2630136C2 |
