Cement kiln device for treating low-grade limestone

The utility model discloses a cement kiln device for treating low-grade limestone, which belongs to the technical field of metallurgical chemical engineering and comprises a rotary kiln body, a crushing cylinder is fixedly mounted at the top of the outer side of the rotary kiln body, and a flow guide cleaning component is fixedly mounted on the edge of the top end of the crushing cylinder. The flow guide cleaning assembly is mainly formed by combining a rotating motor with a rotating ring rotating function, a rotating shaft and a bevel gear ring, and a shaking anti-blocking assembly is fixedly installed on the inner side of the smashing cylinder and is mainly formed by combining a rotating motor with a rotating rod rotating function, a smashing roller and a belt transmission assembly; by means of the flow guide cleaning assembly, a worker can conveniently rotate the scraping rod, the difficulty of rotating the scraping rod by the worker is reduced, and therefore the worker can conveniently scrape materials at