关键词: 协同开采, 煤铝共生, 分层诱导, 缓倾斜薄矿床, 开采方案

Abstract: The coal seam of a coal-aluminum symbiotic mine is almost parallel to the bauxite layer， and both of them are characterized by small dip angle and thin thickness. The difficulties in achieving safe and efficient mining of the coal-aluminum symbiotic gently thin deposit are mainly concentrated in gas treatment， mining technology coordinate and coal-rock stability control. In order to solve the above problems，four mining modes are put forward， i.e. mining coal seam firstly and then bauxite layer， mining aluminum layer firstly and then coal seam， alternate mining of coal seam and bauxite， and stratification inducement synergetic mining of coal seam and bauxite layer； then， according to the actual mining technical conditions of the coal-aluminum symbiotic deposit， the advantages and disadvantages of the above four mining modes are compared and analyzed from the aspects of gas treatment， ventilation ， drainage， etc..It is concluded that the most reasonable mining method is to adopt stratification inducement synergetic mining mode for the deposits when the coal seam is close to the bauxite layer. Based on the actual engineering geological conditions of the coal-aluminum symbiotic deposit， the mining scheme of cassis funnel ore for stratification inducement synergetic mining of the coal-aluminum symbiotic gently inclined thin deposit is proposed， besides that， the stope structure， recovery process， stope ventilation and synergetic mining sequence are designed. Taking the designed scheme as the carrier， further analysis of the four mining modes is carried out， which show that the stratification inducement synergetic mining scheme not only has the best economic benefit， but also can ensure the safety of personnel and equipment in the mining process.

Key words: Synergetic mining, Coal-aluminum symbiotic, Stratification induced, Gently inclined thin deposit, Mining method