Refractory Castables for Industrial Waste Rotary Kiln

The rotary kiln is one of the key equipment in the waste incineration process. Its lining is usually built with shaped refractory bricks or cast as a whole with refractory castables.
The corundum mullite refractory materials developed by our company, corundum mullite bricks and corundum mullite castables have strong corrosion resistance. The CaO, SiO2 and AL2O3 in the slag react to form calcium feldspar phase. The newly generated calcium feldspar phase can fill the pores and promote the density of the matrix, which can well hinder the penetration of slag. Compared with aluminum-chromium silicon carbide refractory bricks or castables, the anti-penetration performance is relatively poor.
According to the corundum mullite refractory materials, corundum mullite bricks and corundum mullite castables developed by our company, performance, economy and environmental protection are taken into consideration. When the temperature of the waste incineration rotary kiln lining is about 1100℃, high-aluminum refractory bricks and high-aluminum composite wear-resistant castables can be used in combination according to the use location; when the temperature of the waste incineration rotary kiln lining is about 1300℃, corundum mullite refractory bricks or corundum mullite castable rotary kiln lining can be selected.
Our company's design adopts a masonry structure that is a composite of linear strips, multiple sections and castables. The significant advantages are:
(1) The kiln lining has better integrity;
(2) The casting density is better, which can better ensure the construction quality;
(3) No mold is required for construction, which is convenient to operate and more cost-saving;
(4) The construction period of a single kiln can be compressed to less than 30 days, greatly shortening the construction period.