小保当煤矿“一机双巷”掘进施工技术应用

Application of “One Machine and Two Roadways” Excavation Technology in Xiaobaodang Coal Mine

摘要: 随着我国煤矿综合机械化程度的不断提高，采煤工作面推进速度明显加快，工作面开采与煤巷掘进的矛盾越发突出，很多煤矿出现了采掘接替紧张的局面。为了维持正常的采掘协调关系，这就需要采用有效技术手段来提高煤巷的掘进速度，使之与工作面的推进速度相匹配，从而保证矿井的安全高效生产。针对如何实现煤巷快速掘进的问题，应首先分析其影响因素，然后选择与煤层地质条件相适应的掘进设备，采用合理的掘进施工技术，制定科学的施工组织计划，使各个施工工艺配合默契，达到施工效率最大化、施工时间最短化，从而使煤巷的掘进速度得到提高。本文介绍连釆机“一机双巷”掘进施工技术的应用，施工进度均保持在1000 m/月。比采用综掘机双巷掘进速度提高一倍。确保小保当煤矿采、掘任务顺利交替。

Abstract: With the continuous improvement of the comprehensive mechanization of coal mines in our country, the speed of coal mining face advancement has been significantly accelerated, and the contradiction between face mining and coal tunnel excavation has become more and more prom-inent. Many coal mines have experienced a shortage of mining replacement. In order to maintain the normal coordinated relationship between mining and excavation, it is necessary to adopt ef-fective technical means to increase the speed of coal road excavation and match it with the advance speed of the working face, so as to ensure the safe and efficient production of the mine. Aiming at the problem of how to realize the rapid excavation of coal roads, we should first analyze its influencing factors, and then select the excavation equipment that is compatible with the geological conditions of the coal seam, adopt reasonable excavation construction technology, formulate a scientific construction organization plan, and make the various construction processes cooperate tacitly. The construction efficiency is maximized and the construction time is minimized, so that the speed of the coal roadway can be improved. This article introduces the application of the “one machine and two roadways” tunneling construction technology with a continuous machine, and the construction progress is maintained at 1000 m/month. Compared with the use of a fully mechanized excavator, the speed of double-lane tunneling is doubled, to ensure the smooth replacement of mining and excavation tasks in Xiaobaodang Coal Mine.