This article introduced simply technical process of flushing cinder system in Anyuan Iron and steel plant and the problems of this system, such as frequent breakdown, high energy consumption. According to production situation of the plant, the frequency speed regulation technology and the constant pipeline pressure control method were adopted. Through using IECCO Corporation's SLMUSPENTA to reform the flushing cinder system, the safety, economic and stable operation of the system can be maintained quite well. The service life is extended and the automation level is improved, Good economic benefit was achieved.