The tradition and future evolution of amorphous refractories

The traditional furnace building method is the refractory brick as the main body, and the amorphous refractory materials (such as refractory mud) are only used as the mud OARS, brick joint fillers or mending charges. In recent years, amorphous refractory materials have been greatly developed, adding a variety of refractory concrete, plastic, castable, refractory fiber and ramming materials, spray coatings. According to a rough survey, at present, the production basin of amorphous refractories in some advanced industrial countries has accounted for nearly half of the total production of refractory materials, and there is a trend of further development.
There are many kinds of amorphous refractory materials, which can be divided into concrete, castable, plastic, ramming material, spray filling material, projecting material, smeating material, dry ramming material, fire mud material, and various filling materials (drain combined with large surface filling material, Martin sand, etc.) are also among the unshaped.