宝日希勒矿区一号井,是一对年设计能力为45万吨的机械化程度比较高的皮带斜井.从一九八二年八月一日正式开始建设,历经二十九个月的艰苦施工,于一九八五年元月一日建成投产,累计完成投资额4403万元,井巷工程量8782米,房屋建设面积60760平方米,机电安装工程完成六十项5960台件、矿 Well No. 1 at Baorixilai Mining Area is a relatively mechanized belt inclined shaft with an annual design capacity of 450,000 tons, which was officially started construction on August 1, 1982 and has lasted for 29 months Hard construction, completed and put into production on January 1, 1985, the cumulative investment of 44.03 million yuan, 8782 meters of roadway engineering, housing construction area of ​​60760 square meters, mechanical and electrical installation completed 60 5960 sets of pieces, mine