Dam-in-plant powerhouse dam bottom hole structure and emergency plugging method thereof
By pre-burying an emergency leak-sealing pipeline system upstream of the gate, and using gravity to deliver sealing materials in conjunction with a gas-liquid balance device, the high investment and sealing challenges of the dam bottom outlet structure design were solved, achieving rapid and reliable emergency sealing and improving reservoir safety.
CN122406706APending Publication Date: 2026-07-17CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD
- Filing Date
- 2026-05-21
- Publication Date
- 2026-07-17
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Figure CN122406706A_ABST
Abstract
本发明公开了一种坝内式厂房大坝底孔结构及其应急堵漏方法，涉及水利工程领域。该结构包括预埋于闸门上游坝体内的应急堵漏管道系统，该系统包括依次连接的储料容器、第一控制阀、输送通道、第二控制阀和与底孔流道连通的出料通道，以及设置于输送通道上的气液平衡装置。方法包括：加料、下沉、排放和复位步骤。本发明解决了现有技术中闸门无法完全闭合时缺乏主动封堵手段的问题，实现了低成本、高时效的应急堵漏，提升了水库蓄水安全保障能力。
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