Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Water diversion system of pumped storage power station and construction method of water diversion system
The water diversion system comprises an upper reservoir and an underground powerhouse, and the elevation difference between a water outlet of the water diversion system of the upper reservoir and a water inlet of the underground powerhouse is larger than or equal to 800 m; when the surrounding rock grade is III grade or IV grade or V grade, a two-stage vertical shaft and adit type water diversion system is adopted, and the water diversion system comprises an upper adit, an upper vertical shaft, a middle adit, a lower vertical shaft and a adit body formed by the lower adit which are connected in sequence; when the grade of the surrounding rock is grade I or grade II, a two-stage inclined shaft and adit type water diversion system is adopted, and the water diversion system comprises a tunnel body formed by an upper inclined shaft, a middle adit and a lower inclined shaft which are connected in sequence; a water diversion pressure steel pipe is arranged in the hole body in a penetrating manner; a main construction adit is arranged on the middle adit in a connected mode, a first auxiliary construction adit is arranged on the upper adit in a connected mode, and a second auxiliary construction adit is arranged on the lower adit in a connected mode. The technical problems of large height difference between an underground powerhouse and an upper reservoir, high construction difficulty, difficulty in fixing a water diversion pressure steel pipe and inconvenience in deslagging are solved.
一种抽水蓄能电站引水系统及其施工方法，引水系统包括上水库和地下厂房，上水库引水系统出水口与地下厂房进水口之间的高程差≥800m；当围岩等级为Ⅲ级或Ⅳ级或Ⅴ级时，采用两级竖井兼平洞式引水系统，该引水系统包括依次相连的上平洞、上竖井、中平洞、下竖井以及下平洞形成的洞体；当围岩等级为Ⅰ级或Ⅱ级时，采用两级斜井兼平洞式引水系统，该引水系统包括依次相连的上斜井、中平洞以及下斜井形成的洞体；在洞体内部贯穿设置有引水压力钢管；在中平洞上连接设置有主施工支洞，在上平洞上连接设置有第一副施工支洞，在下平洞上连接设置有第二副施工支洞。解决地下厂房与上水库高差大、施工难度高、引水压力钢管固定难、出渣不便的技术难题。
Water diversion system of pumped storage power station and construction method of water diversion system
The water diversion system comprises an upper reservoir and an underground powerhouse, and the elevation difference between a water outlet of the water diversion system of the upper reservoir and a water inlet of the underground powerhouse is larger than or equal to 800 m; when the surrounding rock grade is III grade or IV grade or V grade, a two-stage vertical shaft and adit type water diversion system is adopted, and the water diversion system comprises an upper adit, an upper vertical shaft, a middle adit, a lower vertical shaft and a adit body formed by the lower adit which are connected in sequence; when the grade of the surrounding rock is grade I or grade II, a two-stage inclined shaft and adit type water diversion system is adopted, and the water diversion system comprises a tunnel body formed by an upper inclined shaft, a middle adit and a lower inclined shaft which are connected in sequence; a water diversion pressure steel pipe is arranged in the hole body in a penetrating manner; a main construction adit is arranged on the middle adit in a connected mode, a first auxiliary construction adit is arranged on the upper adit in a connected mode, and a second auxiliary construction adit is arranged on the lower adit in a connected mode. The technical problems of large height difference between an underground powerhouse and an upper reservoir, high construction difficulty, difficulty in fixing a water diversion pressure steel pipe and inconvenience in deslagging are solved.
一种抽水蓄能电站引水系统及其施工方法，引水系统包括上水库和地下厂房，上水库引水系统出水口与地下厂房进水口之间的高程差≥800m；当围岩等级为Ⅲ级或Ⅳ级或Ⅴ级时，采用两级竖井兼平洞式引水系统，该引水系统包括依次相连的上平洞、上竖井、中平洞、下竖井以及下平洞形成的洞体；当围岩等级为Ⅰ级或Ⅱ级时，采用两级斜井兼平洞式引水系统，该引水系统包括依次相连的上斜井、中平洞以及下斜井形成的洞体；在洞体内部贯穿设置有引水压力钢管；在中平洞上连接设置有主施工支洞，在上平洞上连接设置有第一副施工支洞，在下平洞上连接设置有第二副施工支洞。解决地下厂房与上水库高差大、施工难度高、引水压力钢管固定难、出渣不便的技术难题。
Water diversion system of pumped storage power station and construction method of water diversion system
一种抽水蓄能电站引水系统及其施工方法
TAO YONGHU (Autor:in) / SHEN LINHUI (Autor:in) / WU QIANG (Autor:in) / CHEN JIANXIN (Autor:in) / HUANG BANGYOU (Autor:in)
02.06.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
E02B
HYDRAULIC ENGINEERING
,
Wasserbau
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