1Modification of ATOX50 Raw Mill ClassifierLIU Di, HUA Song, DOU Haijian, ZHAO Jianbo, NIE WenhaiTechnical Transformation14-172Productivity Improvement of the Semi-final Grinding System of Cement Roller PressLI XiaojianTechnical Transformation18-223Optimization of the Screw Conveyor in the Pulverized Coal Preparation SystemWANG HaiTechnical Transformation23-274Upgrade Practice of Improving Production of PCY-S2020B CrusherLIU Hongning, ZHAO Lei, LI Gang, LU Zhijun, WANG XiaoTechnical Transformation28-315Improvement of Belt Conveyor Cleaning DeviceLIU Lei, ZHANG Zhonghua, XUAN YonghangTechnical Transformation32-356Application of Automatic Settlement System of Engineering Quantities Based on BIM PlatformSHEN HuijuanEngineering Technology36-437Construction Method of Long-span Space Truss Steel StructureHE JianminEngineering Technology44-498The Channel Design for Convenient Inspection of Cement Plant Power StationZHANG Fubin, GE Qiang, WANG Yanting, CHENG GangEngineering Technology50-529Comparison and Analysis of Various Process Layout of Wet FGD SystemsLUO Zhen, WANG AiqinEnergy Conservation and Emissions Reduction53-5610Practice of Inorganic Sludge Co-disposal Technology in Cement KilnZHAO Yugang, ZHU Haibin, ZHAO RuiqingEnergy Conservation and Emissions Reduction57-6311Cement Kiln Bypass System and its Technological DesignHUANG Hailin, JIANG Shufeng, HAO Liwei, LIU Pengfei, WANG XiaowenEquipment Technology68-7312Development and Application of a New Type Airlock Valve in the Hopper DischargeWEI Zhensheng, JI Meng, SHAN Xiuyong, WEI YangEquipment Technology74-7913Common Troubleshooting Methods and Examples of Hydraulic System of Cement Production EquipmentWEI XuemeiEquipment Technology80-8414Preliminary Study on Production and Preparation of Portland Cement for the RoadZHANG Lin, TAN Jianchun, YANG Yong, LIU BoProduction Technology85-8815Application of Image Recognition Technology in Disposal of Ultra-diameter LimestoneSHI HuadongProduction Technology89-9216Discussion on Damaged Mechanism at Air Position of Concrete Pole in Saline Soil Area of XinjiangLIAO Mengke, LIANG Gang, FU Lin, ZENG Ning, ZHOU YangCement and Concrete93-97 