In the sulfuric acid production,the refractory lining materials in the fluidized bed furnace is lined with the firebrick,which is difficult for construction and maintenance,and its cost is high.

• 硫酸生产中,沸腾炉耐火衬里传统采用耐火砖砌筑,施工和检修相对较麻烦,费用也较高。