The case of Tashan Coal Mine Wind Shaft Project Department of China Coal Third Construction 30th Engineering Office

Equipment Type: EBZ200H Time of use: July 16, 2007 - May 23, 2009 Place of use: Kouquan Township, South Suburb of Datong City, Shanxi Province Unit of use: Tashan Coal Mine Wind Shaft Project Department of China Coal Third Construction 30 Engineering Office Roadway and its geological conditions Section: 3.5 meters × 5.2 meters Support: anchor cable net Section: 3.5 meters× 5.2 meters Support: anchor cable net Footage Cumulative footage: about 5200 meters; Average footage: 13 m/day; *8981 large footage: 25 meters/day. Customer evaluation Sany EBZ200H hard rock boring machine successfully completed the excavation task of a 4,500-meter ventilation roadway from March 2008 to January 2009, with an average monthly footage of more than 400 meters, and in November 2008, the footage was as high as more than 450 meters. The equipment has been used in the project department of our Tashan mine so far, with high footage efficiency, excellent performance, easy operation, few failures, and can excellently complete the footage set by our mine every month.