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社评“yg14.aqq”-梳理天下新闻

四川泸定硬梁yg14.aqq包水电站首台机组正式投产发电

来源: 江西日报
2024-12-29 14:57:08

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“yg14.aqq”四川泸定硬梁yg14.aqq包水电站首台机组正式投产发电

  中新yg14.aqq网成都12月29日电(记者yg14.aqq刘忠俊)记者29日从四川华能泸定水电有限公司获悉,总装机容量111.6万千瓦的泸定大渡河硬梁包水电站首台机组顺利通过72小时试运行,正式投产发电。

硬梁包水电站枢纽全景。华能泸定公司供图

  据了解,硬梁包水电站由中国电建集团成都勘测设计研究院有限公司(简称“成都院”)规划论证和全阶段勘测设计,是国家“十三五”规划常规水电重点项目和四川省“十四五”能源发展规划重点项目,位于四川省甘孜藏族自治州泸定县境内,为大渡河干流梯级调整规划的第14级电站,采用低闸长引水开发方式。

  硬梁包水电站装机由大厂房4台27万千瓦混流式和生态厂房1台3.6万千瓦轴流转桨式机组组成,是国内装机容量最大的一站两厂房联合送出电站。电站闸坝高41米,是国内深厚覆盖层基础最高混凝土闸坝;覆盖层深度130米,是国内高地震烈度区基础覆盖层最深面板坝;泄洪流量89立方米每秒,是国内深厚覆盖层基础水闸最大泄洪单宽流量;进水口宽度123米,是国内最宽集中布置进水口;调压室高度118.2米,是国内最高地下长廊型阻抗式调压室。

硬梁包水电站主厂房4号机组。华能泸定公司供图

  水电站建设过程中克服了深厚覆盖层、大范围岩体蚀变、大型地下洞室群开挖支护等多个施工技术难题,开yg14.aqq展了智能振冲、蚀变岩工程适应性、大型地下洞室群安全性态预测与建造等关键技术研究应用,建设了国内深厚覆盖层基础最高混凝土闸、国内高地震烈度区基础覆盖层最深面板坝。长14.4公里的 2条引水隧洞,最大开挖直径16.7米,刷新了国内长引水隧洞最大洞径。地下调压室长248.8米、高118.2米,规模居同类工程世界第一。“2000年开始电站开发方式研究,历时20余年,做了大量规划、勘测、试验和科研工作。”硬梁包水电站项目设计总工程师王锋称,建设过程中,攻克了高地震烈度区深厚覆盖层复杂地基建坝、长大引水隧洞强蚀变围岩开挖支护,以及施工期地震引发的隧洞大规模塌方、突泥涌水地质灾害处理等世界级难题,大大提升了深厚覆盖层建坝及长大引水隧洞设计及地灾治理水平。

硬梁包水电站枢纽闸坝。华能泸定公司供图

  据悉,硬梁包水电站全面建成投产后,每年可提供清洁能源超51.8亿千瓦时,可满足215万户家庭一年的用电需求,相当于节约标准煤约155.4万吨,减少二氧化碳排放407.1万吨,对实现“双碳”目标、促进地方经济发展,具有重要的生态、社会和经济效益。(完)

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