Important functions of lightweight refractory castables
In summary, the steel, refractory powder and lightweight aggregate used for lightweight brick sand refractory castables have different varieties and dosages, and their functions are also different; for castables mixed with decoctions, water consumption is reduced and The intensity adjustment is significant; the mixing of additives with a small bulk density can reduce the bulk density of the castable and mobilize its thermal insulation function, but the intensity is doubled, and the more the amount, the more significant. Therefore, in accordance with the prerequisites of thermal kilns and the places where castables are used, reasonable preparation and selection of lightweight brick-sand refractory castables should be made to achieve the longevity and energy-saving goals of the kiln.
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