The blowing fiber is selected as the material of the ceramic fiber board, and a certain proportion of the binder and filler grade auxiliary materials are added. After the beating machine, the slurry is fully dispersed in the slurry mixing tank, pumped into the forming tank, mixed with compressed air, and the ceramic fiber mold is put into the forming tank. The principle of vacuum pumping is used to make the fiber slurry adsorb on the mold. The adsorption time is accurately controlled, and the wet fiber material is vacuum dewatered and demoulded, Put it on the tray and send it to the drying oven for 10-24 hours. The dried fiberboard passes through a special grinding machine and edge cutting machine to accurately control the size.