Waste heat recovery system for rock wool production

The invention relates to the technical field of waste heat recovery in rock wool production, and provides a waste heat recovery system for rock wool production, which comprises a combustion flue gas and air system, a raw material conveying system, an ash treatment system, a hot water production system, a circulating water system and a control system, and the ash treatment system is in coupling connection with the combustion flue gas and air system through a dust remover; the combustion flue gas and air system is in coupling connection with the hot water production system through the waste gas-water heat exchanger and the flue gas-water heat exchanger; the combustion flue gas and air system is in coupling connection with the circulating water system through the cupola furnace, the flue gas cooler and the liquid oxygen gasifier; the circulating water system is in coupling connection with the hot water production system through the water-water heat exchanger; the circulating water system is coupled with the raw