臺灣博碩士論文加值系統

本研究係以Garapathy之單壓廢熱回收鍋爐(heat recovery steam generator，HRSG)理論為基礎，探討其相關參數變化之影響，且據以對複壓式HRSG分析作理論推演，並將國內現行運轉之複循環發電機組實例與理論分析之結果加以比較與驗證，再探究其效率與效益。本文以理論分析為基礎建立一套汽電共生(Co-generation，COGEN)單、複壓式HRSG理論分析程式，用以模擬分析HRSG系統於各種不同參數狀態下之熱傳率與效率；由數值模擬分析所得結果發現：於單一壓力下選擇高燃氣進口溫度、低飽和蒸汽壓力、低接近點與趨近點、較少之燃氣流量與選取天然氣為燃料等參數會有較佳之熱效率。

This study investigates, by V. Garapathy’s simplified heat recovery steam generator (HRSG) simulation model, the effects of the parameters on the relevant performance; then develop duplex pressure HRSG simulation model, and compare the resolutions with the actual operating values of the combine cycle power plant in Taiwan. Also, using the basic thermal analysis method to built a single/duplex pressure COGEN program to simulate the total heat transfer rate and the thermal efficiency of HRSG. From the analysis of the results obtained, it is found that, when operating under higher HRSG inlet fuel gas temperature, lower steam pressure, lower pinch point and approach point, lower fuel gas flow rate, and using the natural gas as fuel, the thermal efficiency of HRSG can be improved.

中文摘要………………………………………………………………..Ⅰ
英文摘要………………………………………………………………..Ⅱ
誌謝…..…………………………….………………………...…………Ⅲ
目錄…..…………………………….………………………...…………Ⅳ
圖目錄…………………………….…………..……………...…………Ⅵ
表目錄…………………………….…………..………………...………Ⅸ
符號索引………………………….…………..………………...………Ⅹ
第一章 緒論…………………….…………..……………...…………..1
1.1 緣起………………….…………..……………...…………..1
1.2 文獻回顧…………….…………..……………...…………..3
1.3 研究目的與方法…….…………..……………...…………..5
第二章 理論分析……………….…………..……………...…………..7
2.1 V.Garapathy之HRSG單壓設計模組…………...………….7
2.1.1 標準設計計算模式……..……………...…………...8
2.1.2 性能計算模式.…………..……………...………….10
2.2 複壓式設計模組.…………..……………...……………….14
2.3 酸露點之計算模式…..……………...………………..16
2.4 HRSG效率分析模式………..……………...……………….17
第三章 數值分析………..……………...……………………….…….19
3.1 數值方法……..……………...……………………….…….19
3.2 計算演譯……..……………...……………………….…….20
3.2.1 COGEN單壓式HRSG之計算演譯…………….…….20
3.2.2 複壓式HRSG之計算演譯…………………….…….22
3.2.3 收斂準則……………...……………………….…..24
第四章 結果與討論……..……………...……………………….…….25
第五章 結論與建議……..……………...……………………….…….36
5.1 結論……..……………...…………………………….…….36
5.2 建議……..……………...……………………….…….…….37
參考文獻……..……………...……………………………..…….…….38
作者簡介……..……………...………………………..…….………….86

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