近日,由中铁装备自主研制的国内首台可变径竖井扩孔掘进机“逐梦号”在浙江永嘉抽水蓄能电站施工中再传捷报,顺利完成总深488米的1号引水竖井掘进任务,开创了国内抽水蓄能领域500米级深竖井施工先河。

“逐梦号”整机高度27米,采用7.23米开挖直径设计,以反井施工工艺为基础,创新运用“定向钻+反井钻+扩孔掘进机扩井”的综合工法替代传统钻爆方式。在掘进过程中,“逐梦号”先后创下单日进尺16.8米、月进尺200米的优异成绩,展现了卓越的掘进效率与稳定性,进一步验证了其在深井复杂地质条件下的施工能力,为我国大型水电工程机械化竖井施工积累了宝贵经验。

浙江永嘉抽水蓄能电站是国家抽水蓄能中长期发展规划重点项目,是浙江省“十四五”重点实施工程,也是温州市构建“核风光水蓄氢储”全链条能源体系的重要组成部分。项目全面建成后,浙江永嘉抽水蓄能电站将主要承担浙江电网的调峰、填谷、储能、调频、调相及紧急事故备用等任务。预计每年可显著节省系统燃煤消耗,大幅降低二氧化碳等温室气体排放,对改善区域空气质量、减轻酸雨危害、推动能源结构绿色转型具有重要意义。
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