Build in build by laying bricks or stones of industrial kiln furnace in the center to reduce heat loss due to radiation of surface of body of heater of estrangement of caustic of accumulation of heat, of kiln furnace outer all use light qualitative firebrick to serve as heat-insulation layer, the density of general light qualitative firebrick small, porosity tall, thermal conductance sex of small, heat preservation is good and it is certain to haveThe characteristic such as compression intensity, light qualitative firebrick makes material of construction of body of heater, can save specific fuel consumption; In the meantime, because kiln furnace can rise gentle refrigeration quickly, can raise equipment to manufacture efficiency; Still can reduce weight of body of heater, simplify kiln furnace is tectonic, improve product quality, drop environmental temperature, improve labor condition.
And those who need special attention is porosity of light qualitative firebrick bigger, the organization is loose, cannot use at direct contact slaggy the place with liquid state metal; Mechanical intensity is inferior, cannot use at bearinging structure; Wear-resisting performance is very poor, unfavorable use at be being contacted with charging, grindThe place with serious damage. Light qualitative firebrick is classified commonly by density of raw material component and bulk; Same kind of light simple fireproof stuff can divide by bulk density for 0.8, 1, of 1.2 etc. Light qualitative brick still has alumina hollow ball brick, light qualitative silica brick, get together light tall aluminium, heat preservation brick waits Mo Laishi a moment.
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