【正文】 的地方。 畢業(yè)設計報告（論文） 題 目 凝結水泵的故障及其分析 姓 名 專業(yè)班級 指導老師 日 期 1 凝結水泵的故障及其分析 摘 要 國家“十五計劃”對電力工業(yè)提出要進一步優(yōu)化火電機組結構，推進凝結水泵等高新技術應用，并將以 410t/h 以上循環(huán)流化床鍋爐完善化和提高整體運行效率為主要內容的大型循環(huán)流化床應用作為發(fā)電重大示范工程之一。 關鍵詞：發(fā)電廠鍋爐，凝結水泵， 故障分析， 處理 2 CONDENSATE PUMP FAULT AND ANALYSIS ABSTRACT National Tenth FiveYear Plan for the power industry proposes to further optimize the thermal power structure, and promote hightech applications such as condensate pumps, and will be 410t / h circulating fluidized bed boiler than perfect and improve overall operating efficiency of largescale circulation as the main content fluidized bed demonstration project application as one of the major power condensate pump is a very important power plant auxiliary equipment, the timely processing of pump failure, reducing maintenance to the pump set back the time of preparation, is to improve the plant safe and stable operation of the important measures. Through the condensate pump and treatment of typical failure analysis described as similar to the feed pump failure analysis and processing for reference. KEY WORDS： power plant boiler, condensate pump, failure analysis, Treatment 3 目錄 摘 要 ...................................... 1 ABSTRACT ...................................... 2 目錄 .......................................... 3 第一章 泵的基本概念及其結構 ...................... 5 泵的定義和分類 ................................ 5 泵的類型 ..................................... 6 泵的用途 ..................................... 8 第二章 泵的基本參數(shù) ............................. 9 基本參數(shù) ..................................... 9 泵的特性曲線 ................................. 11 第三章 汽蝕 ................................... 12 泵的汽蝕 .................................... 12 汽蝕的發(fā)生過程 ............................... 13 泵產(chǎn)生汽蝕時的現(xiàn)象 ............................ 14 4 第四章 凝結水泵的故障及其分析 ................... 15 凝結水泵的使用保養(yǎng) ............................ 15 第五章 凝結水泵試運方案 ......................... 16 試運目的 .................................... 16 試運應具備的條件 ............................. 17 試運方法及步驟 ............................... 17 第六章 實例 ................................... 22 事故經(jīng)過 .................................... 22 凝泵運行工況的特點 ............................ 23 凝結水泵存在失壓的因素 ........................ 24 凝結水泵失壓事故的原因分析 ..................... 25 處理措施 .................................... 27 預防措施 .................................... 28 參考文獻 ..................................... 29 致 謝 ................................