Maintenance method of blast furnace liner
The invention provides a maintenance method of a blast furnace liner. The method comprises the following steps of: removing a fireproof liner and residential iron which are seriously corroded below a bosh so as to ensure that an area with the width not less than 500mm and an annular segment cross se...
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Main Authors | , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
22.12.2010
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Subjects | |
Online Access | Get full text |
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Summary: | The invention provides a maintenance method of a blast furnace liner. The method comprises the following steps of: removing a fireproof liner and residential iron which are seriously corroded below a bosh so as to ensure that an area with the width not less than 500mm and an annular segment cross section is formed between a cooling wall of a blast furnace and the residential iron along the diameter direction of the blast furnace after the fireproof liner and the residential iron are removed; clearing floating dross remained due to the removal of the fireproof liner and the residential iron; laying bricks made from a new fireproof material in a horizontal bricking mode; and filling brick gaps among the fireproof bricks with mortar with the mortar plumpness not less than 95 percent to sequentially form a carbon material layer with the thickness from 80mm to 100mm and a fireproof brick layer with the thickness not less than 400mm between the cooling wall of the blast furnace and the residential iron along the di |
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Bibliography: | Application Number: CN20101256265 |