The filling pattern of mixed slurry cementing composed of full railings and classified tailings has been adopted to give full play to complementary advantage of full tailing mortar and classified tailing cemented in filling technology. To real- ize the rapid and accurate control for the field control parameters and ensure the system＂ stability and continuity, $7-300 type PLC has been employed as the controller. The PLC application program has been programmed according to intelligent algorithm which combined with classical control and intellige...
