The case of Dingji Coal Mine of Huaihu Coal and Power Co., Ltd

Equipment SituationModel: EBZ200H Use Time: October 4, 2008 - April 13, 2009 Use Location: Fengtai County, Huainan City, Anhui Province Use Unit: Huaihu Coal and Power Co., Ltd. Dingji Coal Mine Roadway Support Section and Form Section: 4 meters× 3.85 meters Support: Anchor Chain Network Footage Cumulative Footage: 1650 meters; Average footage: 278 m/month; *8981 large footage: 316 m/month. Roadway and its geological conditions 1, the total length of the roadway is 1700 meters. 2. The roadway is an all-rock roadway, the cross-sectional shape is arched, the rock hardness is F5-F6, and the rock joints are well developed. Customer evaluation The excellent performance of Sany EBZ200H hard rock roadheader ensures efficient footage, creates good economic benefits for our mine, and sets a new record for the footage of Huainan Rock Roadway.