Method for repairing crown brick of large wall of combustion chamber of internal-combustion stove
A repair method and combustion chamber technology, applied in lining repair, brick blast furnace, etc., can solve problems such as poor use effect of hot blast furnace, loss of top brick retention function, cracking and short circuit of combustion chamber, etc., so as to save production stoppage repair time, Improve the effect, improve the effect of the repair effect
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[0012] This embodiment is a method for repairing large wall roof bricks in the combustion chamber of an internal combustion hot blast stove, which is carried out according to the following steps:
[0013] The hot blast stove that needs partial repair shall be deactivated;
[0014] Open the manhole on the top of the furnace, and continue to cool the furnace until people can enter the furnace;
[0015] Enter the furnace and remove the combustion chamber and checker bricks section by section with an air pick, retain the large wall, remove the damaged top brick on the large wall, chisel out grooves at the damaged top brick section by section with an air pick, and use a chisel to cut the groove The size is corrected to a depth of 100-130mm, and the width and height are the size of standard bricks (the width is 150mm and the height is 75mm;
[0016] Use a high-temperature adhesive to fix the top brick interlayer in the groove of the large wall in step (1), so that the top brick and...
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