华丰煤矿是受水、火、冲击地压、地表斑裂等多种灾害威胁的矿井,通过开发和推广应用新技术,进行技改挖潜及矿井灾害综合治理,实现了矿井的长治久安。 Huafeng Coal Mine is a mine that is threatened by a variety of disasters such as water, fire, rock burst, and surface streak. Through the development and popularization of new technologies, the technical renovation and potential mining and the comprehensive management of mine disasters have realized the long-term peace and stability of the mine.