Blast furnace waterless stemming
An anhydrous taphole clay and blast furnace technology, applied in the field of blast furnace anhydrous taphole clay, can solve the problems of poor high temperature resistant slag iron scouring and erosion performance, insufficient slag resistance performance, poor opening, etc., to ensure the scour resistance performance, eliminate the Large splash situation, the effect of eliminating large splash
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[0013] Example 1: Air volume≥4300M 3 Use mud; wind pressure 330KPa; top pressure 190KPa; cement-free ratio with a utilization factor of 2.4: The gun mud consists of the following mass percentages: 0-1mm dry quenching dust removal ash 9.5%, 180 mesh clay 9 %, 180 mesh sericite 5%, 200 mesh silicon carbide 18%, 0-1mm brown corundum or dense corundum 16.5%, 1-3mm brown corundum or dense corundum 15%, 200 mesh silicon nitride 3%, 2μm Aluminum powder is 4%, and the water content of each component is less than 0.5%. When this embodiment is in use, 110 can be added o High temperature asphalt above C is 0.5%, tar 15%, both are percentages by weight. The plasticity value of the configured gun mud is 950-1050.
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[0014] Example 2: Air volume 2500~4000M 3 Use mud; wind pressure 300KPa; top pressure 180KPa; non-cement ratio when the utilization factor is 2.0: the gun mud is composed of the following mass percentages: 10% dry quenching dust ash of 0-1mm, 180 mesh clay 10 %, 180 mesh sericite 5%, 200 mesh silicon carbide 20%, 0-1mm brown corundum or dense corundum 17%, 1-3mm brown corundum or dense corundum 19%, 200 mesh silicon nitride 4%, 2μm Aluminum powder is 5%, and the water content of each component is less than 0.5%. When this embodiment is in use, 110 can be added o High temperature asphalt above C 0.5%, tar 14%, both are percentages by weight. The plasticity value of the configured gun mud is 950-1050.
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