石化碳氫燃料之貧油預混燃燒技術，以及廢棄物與生質能之氣化低熱值燃燒是目前因應世紀二氧化碳減量與石油匱乏問題而普遍受到重視的兩項新型態燃燒技術，但是這兩項技術均受到火焰穩定性的問題的嚴重挑戰。觸媒燃燒被建議為一種可用來改善貧油預混與低熱值燃燒穩定性，並且降低污染排放與提高燃燒效率的有效方法。本文研發以觸媒燃燒（catalytic combustion）技術搭配貧油預混（lean pre-mixing），使用再生低熱值氣化石化燃料或生質燃料為設計觀念的低污染能源潔淨使用技術。
　　本研究目的在於發展以重質油氣化合成氣為燃料的觸媒氣渦輪引擎，主要探討的問題有發展該引擎的可行性評估、燃燒室設計、零組件測試以及引擎運轉。起初藉由循環分析運算與觸媒燃燒測試結果，初步評估發展該引擎的可行性，並經由實驗證實，且經循環分析得知其輸出功率及熱效率約為37kW/12%。
　　在燃燒室設計方面，將燃燒室設定運作在較低流速下，預計可降低觸媒燃燒室壓力損失，以及增加燃料與觸媒床的反應時間，並以自行製作的燃氣混合裝置（靜態混合器和圓弧狀多孔口板），將燃氣均勻擴散至觸媒面上，達到更高反應溫度，提高整體燃燒效率。
　　研究則以重質油氣化產氣中的氫氣和一氧化碳作為主要燃料，並以鉑觸媒作為觸媒燃燒室用。完成整體引擎設計與製造，並對各組件進行相關測試，逐步組裝建立完整觸媒氣渦輪引擎，啟動並運轉驗證其可行性，並提出一套適合重質油氣化合觸媒氣渦輪引擎的操作程序與規範，未來可整合發電系統，使能源作更有效的利用。

　In facing the more and more stringent shortage of fossil fuels and environmental regulations for carbon dioxide reduction in the new century, lean premixed combustion of hydrocarbon fuels and low-BTU （low calorific） combustion of gasified renewable biomass and waste are the two new combustion techniques that receiving intensive attention recently. However, both techniques are seriously challenged by the major problems of combustion instability. Catalytic combustion is suggested to improve the combustion instability of above-mentioned techniques with high combustion efficiency and low pollutant emissions. In this study, we investigate the feasibility of using catalytic combustion of lean premixed low-BTU syn-gas from gasified fossil fuel or biomass in a catalytic gas turbine for clean utilization of recycled and renewable energy resources.
　The objective of study is to develop a catalytic gas turbine engine using syn-gas from recycled heavy oil. There are several issues in this study needed to be investigated, including feasibility assessment of the catalytic engine, new design of the combustion chamber, tests of components and parametric studies of engine operation. The feasibility of a low-BTU syn-gas catalytic gas turbine can be assessed by preliminary cycle analysis and catalytic combustion tests. From the cycle analysis, the engine work output and thermal efficiency are estimated to be 37kW/12%.
　In order to reduce the pressure loss and to enhance catalytic reaction by in the catalytic combustion chamber, low flow velocities in the chamber are assigned to increase residence time in the combustion chamber design. The lab-build static mixer and perforated plate are used to enhance uniform fuel air mixing for enhanced combustion efficiency and output temperature.
　Syn-gas from gasified heavy oil is mainly composed of hydrogen and carbon monoxide as the major fuels in this study. Platinum catalyst is used for catalytic combustion for the syn-gas. After the procedure of engine design, fabrication and component tests, the start-up and operation tests of the developed catalytic gas turbine engine system are then performed for parametric analysis to establish the start-up and operation procedure. The above-mentioned design procedure can be used as a model in the future design of syn-gas catalytic gas turbine engine for power generation.

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