Autoclaved pretreatment device for aerated concrete block based on fly ash reutilization

The utility model discloses an autoclaved pretreatment device for aerated concrete blocks based on fly ash reutilization, which comprises a frame, a screening box, a conveying device and a stirring device are mounted on the frame, a grinding box is mounted at the top of the screening box, a feed inlet is mounted at the top of the grinding box, a first grinding block is mounted in the grinding box, and a second grinding block is mounted in the grinding box. A feeding hole is formed in the first grinding block, a rotating shaft is rotationally installed on the grinding box, and a first motor is installed on the grinding box. Through cooperative arrangement of all the devices on the rack, the pretreatment process of concrete blocks can be carried out in a centralized mode, the transportation process is reduced, and the production efficiency is improved; a first grinding block, a second grinding block and a third grinding block are arranged in a matched mode, so that materials entering the grinding box can be ful