| 沿海电厂循环水泵流道的水力特性
及优化研究 |
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| 引用本文： | 韩敬钦,宫俊亭,高德申.沿海电厂循环水泵流道的水力特性
及优化研究[J].水利水电技术,2011,42(7):98. |
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| 作者姓名： | 韩敬钦 宫俊亭 高德申 |
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| 作者单位： | (山东电力工程咨询院有限公司，山东济南250013) |
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| 摘 要： | 结合防城港电厂工程，对循环水泵流道进行了物理模型试验，重点研究了流道的水力特
性，包括引水沟来水的扩散消能特性、旋转滤网及吸水室的水流流态特征、吸水喇叭口进水断面
的流速分布规律等。针对原设计前池扩散不充分、出流不均、泵体管外环流等问题，提出在前池
扩散段设置消能横梁和在循环水泵中心线上游设置淹没胸墙等整流措施。该优化方案能有效阻断
吸水室内的表面回流通道，起到改善流态和消能的作用，从而满足循环水泵的运行要求，并且能
够有效节省土建投资。
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| 关 键 词： | 循环水泵 流道 流态 模型试验 水力特性 优化设计 |
| 收稿时间： | 2011-03-28 |
Study on hydraulic characteristics and optimum design of flow passage in water circulating pump for coastal thermal power plant |
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| HAN Jingqin,GONG Junting,GAO Deshen.Study on hydraulic characteristics and optimum design of flow passage in water circulating pump for coastal thermal power plant[J].Water Resources and Hydropower Engineering,2011,42(7):98. |
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| Authors: | HAN Jingqin GONG Junting GAO Deshen |
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| Affiliation: | ( Shandong Electric Power Engineering Consulting Institute Co. LTD.，Jinan 250013
China) |
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| Abstract: | Based on the construction project of Fangchenggang Power Plant,a physical model test on the flow passage in water circulating pump is made;in which the hydraulic characteristics of the flow passage is emphatically studied,including the performance of energy dissipation from diffusion of the water inflow from the water intake-channel,the flow pattern of the suction chamber and side-inlet rotating filter net,the law of flow velocity distribution around the section of water uptake bell mouth,etc.In light of th... |
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| Keywords: | water circulating pump flow passage flow pattern model test hydraulic characteristic optimizing design |
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