通过方案比较论述了荣华二斜井3号上层与14号层联合布置开拓方案的合理性,充分利用原有的生产系统的井巷工程1950m,地面公用设施如绞车房、锅炉房等1000m2,可节省资金1461万元,缩短工期11个月,原煤产量达到90万吨/年,有可观的经济效益。 Through the comparison of the schemes, the reasonableness of the scheme for joint development and layout of No. 3 and No. 14 spillway of Ronghua No. 2 Shaft is discussed. The original production system of well and laneway project 1950m is fully utilized and the ground public facilities such as winch house and boiler house are 1000m2. Save 14.61 million yuan of funds, shorten the construction period of 11 months, the output of raw coal reached 900,000 tons / year, with considerable economic benefits.