Advantages of lightweight refractory alumina hollow spheres?

Advantages of alumina hollow spheres:

1. High operating temperature: up to 1750 degrees or more, good thermal stability. The change rate of the reburning line is small, and it can be used for a longer period of time.

2. Optimize the structure and reduce the weight of the furnace body: the high-temperature-resistant materials currently used are heavy bricks with a volume density of 2.6-3.0g/cm. The alumina hollow ball brick is only 1.1~1.5g/cm3, the same volume of one cubic meter, the use of alumina hollow ball brick can reduce the weight of 1.1-1.9 tons.

3. Material saving: to achieve the same operating temperature, if heavy bricks are used, the price is equivalent to that of alumina hollow ball bricks. And also need considerable insulation layer refractory material. If alumina hollow ball bricks are used, 1.1-1.9 tons of heavy bricks can be saved per cubic meter, and 80% of refractory insulation materials can be saved.