Solid slag circulating heat recovery device

The utility model relates to the technical field of slag waste heat recovery, and particularly discloses a solid-state slag circulating heat recovery device which comprises a heat preservation cover and a conveying belt arranged in the heat preservation cover, a fan and a heat exchanger are arranged in the heat preservation cover, the fan and the bottom of the conveying belt are horizontal, an air outlet faces the conveying belt, and the heat exchanger is connected with heat utilization equipment. The utility model aims to solve the problems that the heat exchange frequency of air and slag is insufficient, the air cooling heat exchange is insufficient and a large amount of waste heat is wasted when the solid slag is conveyed and cooled in the prior art. 本申请涉及炉渣余热回收技术领域，具体公开了固态炉渣循环热回收装置，包括保温罩以及设于保温罩内的传送带，保温罩内设有风机和换热器，风机与传送带底部水平且出风口面向传送带，所述换热器与用热设备连接。本专利的目的在于解决现有固态炉渣传输冷却时，空气与炉渣换热次数不足，风冷换热不充分，大量余热被浪费的问题。