廢棄物於焚化爐熱焚化時之燃燒氣氛

The Burning Atmospheres of Waste Incinerators

高溫腐蝕的防治與耐高溫腐蝕及熱腐蝕材料的選擇，是建構廢棄物焚化爐時的重要相關技術。而焚化乃是藉由燃燒（combustion）、熱解（pyrolysis）、氣化（gasification）等反應機制達到分解廢棄物之目的。但其燃燒氣氛隨其組成成份之不同，亦將伴隨HCl，Cl2，SO2，SO3，CO，CO2，Nox 及粉塵等酸性氣體而侵蝕爐具，易造成材料內部孔洞。本研究經由熱焚化反應機制的探討及各類廢棄物燃燒生成氣氛的蒐集，藉此作為焚化爐相關設備材料選用與保固之參考。

The prevention of the high temperature corrosion and materials selection are the main technologies to build up a waste incinerator. By ways of combustion, pyrolysis and gasification to treat refuse during incineration, the wastage can decompose to a safe condition for living environments. However, many corrosive flue gases such as HCl, Cl2, SO2, SO3, CO, CO2, NOx and ashes produced by the combination of the refuse could result in severe corrosion problems of the incinerator. The purpose of this study is to review the reaction mechanism and the burning atmospheres during incinerating different kinds of wastage, and to provide a better reference for the design, material selection and maintenance of the incinerators.