<p align="center"><font face="Verdana">超超临界机组取消电动给水泵风险分析及推广应用 <br/>靖长财 <br/>北京国华电力技术研究中心有限公司 河北省三河市燕郊开发区行宫东大街 152号 065201 <br/>The risk analysis and spread and exploitation of the ultra-supercritica thermal power unit cancle the electrically driven feedpump <br/>jingchangcai <br/>Beijing guohua electric technology center co,.ltd </font></p><font face="Verdana">
<p><br/>摘 要：机组设计取消电动给水泵只保留汽动给水泵是设计思想的变革，这种设计方案实施后，对机组经济性会产生很-好的效果，但会相应带来风险。通过危险源辨识，风险分析，找出相对高风险因素，预测风险产生的后果，进行风险评估，提出切实可行的措施，为设计思想变革、实施扫清道路，同时对相对高风险因素，例如动力汽源、给水流量调节和控制、前置泵质量、特殊运行方式等问题进行针对性分析，提出有效的技术措施，以提高机组的安全性和经济性，供发电公司参考。 <br/>关键词：汽动给水泵；电动给水泵；动力汽源；给水流量调节 <br/>Abstract：It is a revolution of the designing ideas that the machine set cancled the electrically driven feed pump and kept only team feed pump .If the proposal have carried out ,it will bring good result to the operating economic efficiency of power lants,but also bring risk.This paper carried out the relatively high risk and forecast the consequence of the risk、perform risk ssessment、clear the way of the change and carry out of the designing ideas through the hazard identification and risk analysis. Simultaneously,it analyzed the trouble such as the power steam source、the feedwater flow control and adjustment、the oosterpump quality、special method of operation.Through the analysis,this paper put forward some effective technical measures o raise the security and economic behavior of the machine set, for reference to the Power Generation. <br/>Key word: steam feed pump; electrically driven feed pump; power steam source; feed water flow adjustment </p>
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