High-temperature steel slag rotating bed crushing waste heat recovery device and method

The invention provides a high-temperature steel slag rotating bed crushing waste heat recovery device and method. The high-temperature steel slag rotating bed crushing waste heat recovery device comprises a liquid slag tank (1), a slag pouring machine (2), a rotating bed (5), a slag pulling machine (6), a circulating fan (7), an air pipe (8), a heat exchanger (9), a steam pipe (10), a power generator (11) and a solid slag tank (14), wherein the liquid slag tank (1) is arranged on the slag pouring machine (2) in a pouring mode, and the slag pulling machine (6) is arranged above the rotating bed (5); and the circulating fan (7) is connected with the rotating bed (5) and the heat exchanger (9) through the air pipe (8), the heat exchanger (9) is connected with the power generator (11) through the steam pipe (10), the rotating bed (5) is rotationally arranged between the slag pouring machine (2) and the circulating fan (7), and steel slag is cooled and discharged through the rotating bed (5). The device and method