Method for cleaning a gas flow loaded with dust

The invention relates to a method for cleaning a gas flow made of top gas and/or off gas and/or export gas from a direct reduction plant or a melt reduction plant, which is loaded with dust and/or fine particulate solids. The gas flow is subjected to a dry cleaning by means of at least one dry filte...

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Bibliographic Details
Main Author MILLNER ROBERT
Format Patent
LanguageChinese
English
Published 27.03.2013
Subjects
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Summary:The invention relates to a method for cleaning a gas flow made of top gas and/or off gas and/or export gas from a direct reduction plant or a melt reduction plant, which is loaded with dust and/or fine particulate solids. The gas flow is subjected to a dry cleaning by means of at least one dry filter, wherein dusts and/or fine particulate raw materials are separated from the gas flow. The cleaned gas flow is fed into a CO2 separating device, wherein CO2 is separated, forming a product gas that is substantially free of water and CO2 and is used for backflushing the dry filter.
Bibliography:Application Number: CN2011835167