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张家口矿业集团康保煤矿原属河北省康保县管理,2004年7月购并到邯矿集团,2006年底并入河北金能张矿集团。康保矿的主力生产井——张纪井,始建于1993年8月,1998年9月投产,原设计生产能力6万 t/a,其主斜井为串车提升系统,虽历经2001、2004年2次升级改造,最大提升能力只有21万 t/a。按照集团公司“做大做强、跨越发展”的总体要求,并在公司的大力支持下,康保矿于2006年对张纪井按60万 t/a 的生产能力全面实施了矿井扩能
The Zhangjiakou Mining Group Kangbao Coal Mine was originally managed by Hebei Kangbao County. It was acquired by Handan Mining Group in July 2004 and merged into Hebei Jinneng Zhangmi Group by the end of 2006. Kang Bao mine’s main production wells - Zhang Jijing, was founded in August 1993, put into operation in September 1998, the original design production capacity of 60,000 t / a, the main shaft for the string car lifting system, although after 2001,2004 Upgraded 2 times a year, the maximum ability to enhance only 210,000 t / a. In accordance with the overall requirements of the group company “bigger and stronger, leapfrogging” and with the strong support of the company, Kangbao Mine fully implemented the expansion of the mine to Zhang Jijing at a capacity of 600,000 t / a in 2006