日本久久久久,美女久久er2视频,久尤物操久,日韩精品国语中文字幕,伊人久久中文成人,2020有码,九九热一二三区,不卡精品在线观看,黄色片美女99三级

Key Projects

Key Projects

Home > CORPORATE BRANDS > Key Projects

WISCO Jinshandian Iron Ore Mine Project
DATE:15 Nov 2017 瀏覽次數(shù):1
+ . -

Jinshandian Iron Ore Mine, located in Jinshandian Town, Daye City, Hubei Province, is under Wuhan Iron & Steel Group Minerals Co., Ltd. and is among the four ferrous metallurgical mines that are difficult in mining. It consists of two mining area: Zhangfushan and Yuhuasi.

Pillarless sublevel caving method is adopted. The two mining areas of Zhangfushan and Yuhuasi are integrated and the primary production capacity of mine 1.5 million t/a is extended to 3 million t/a.

Main shaft and auxiliary shaft development is adopted for the mine. The depth of the main shaft is 924 m, and it was the deepest shaft at ferrous metallurgical mines. The application of one-time construction and equipping by stages reduced the effect on mine production in the transition from one stage to another. It is the first time to use double skip hoisting at ferrous metallurgical mines and the hoisting capacity is 3.5 million t/a. The modification and expansion project was put into production in 2007 with good operation.

乐陵市| 清新县| 南京市| 乐昌市| 资兴市| 政和县| 皮山县| 双桥区| 临颍县| 黔西| 安陆市| 梁山县| 乌兰察布市| 达日县| 云南省| 永城市| 宁蒗| 兴化市| 宁夏| 霍州市| 京山县| 比如县| 清水河县| 渭源县| 黎川县| 绍兴县| 宜宾县| 温宿县| 镇沅| 白城市| 芜湖市| 冷水江市| 河间市| 永兴县| 浏阳市| 大理市| 高陵县| 绥德县| 定兴县| 南宫市| 武强县|