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題 名 | ABB氣渦輪葉片硬質積垢及排煙問題之探討=A Study of the Effects of the Additives on the Blade Deposition and Pollutant Emission |
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作 者 | 邱輝煌; 李聰盛; 楊建曄; 陳子超; 謝政憲; 李文伯; 邱文光; 張進樹; 蔡宏勳; 顏正義; 李國楨; | 書刊名 | 台電工程月刊 |
卷 期 | 590 1997.10[民86.10] |
頁 次 | 頁12-26 |
分類號 | 448.14 |
關鍵詞 | 添加劑; 重油燃燒; 排氣污染; 粒狀物污染; 葉片積垢; 釩化腐蝕; 硫化腐蝕; Additive; Heavy fuel oil combustion; Pollutant emission; Particulate pollutant; Blade deposition; Vanadic corrosion; Sulfuric corrosion; |
語 文 | 中文(Chinese) |
中文摘要 | 本文以實驗方式探討不同添加劑對葉片積垢及排煙組成之影響。利用成功大學 航太中心所籌建之重油燃燒特性先導型研究設備,就硫酸鎂水溶液,醋酸鎂,Turbotech 131+Fe-07,水溶性鎂及有機鋇等添加劑進行燃燒測試,藉排氣組成及粒狀污染物等量測 以評估各添加劑之燃燒特性,並觀察測試模型積垢情形以確定硫酸鎂水溶液與重油之混合 方式對積垢特性之影響。相關結果摘要如下: 1.在添加劑量為電廠添加量之兩倍條件下,醋酸鎂,有機鋇,水溶性鎂等添加劑之 NOx排放值較高,由添加劑所形成之粒狀污染物排放量,較無添加劑情況增加66%~115% ,其中以水溶性鎂較為顯著,有機銀則具抑制粒狀污染物形成之功效。 2.在添加劑量為電廠添加量之五倍條件下,且使用同一桶油測試時,水溶性之NOx排 放量較硫酸鎂水溶液之排放量約增加13%,在SOx排放值,硫酸鎂水溶液則較水溶性鎂約 增加14%。照片顯示在同測試條件,水溶性鎂所形成之積垢現象較硫酸鎂水溶液明顯。 3.將硫酸鎂水溶液及重油以強力乳化方式混合時其N0x排放值較以系統混合方式為高 ,但粒狀污染物則較低,以系統預混方式添加硫酸鎂水溶液時,試件上形成類似硬質積垢 現象,而以強化乳化混合時,其積則呈鬆軟性質。 4.添加劑會引起較多之積垢,也因而會造成較多之微小粒子吹出煙囪,因此推斷排煙 問題為微小粒子經光線散射後所形成之現象。 |
英文摘要 | Residual oil with selected additives was burned in the pilot test rig of Aerospace Science and Technology Research Center which was designed mainly for heavy fuel testing. The effects of the additives of magnesium sulfate, magnesium acetate, magnesium eater solution, Turbotech 131 + R3 - 07 and organic barium on the blade deposition were examined microscopically. Pollutant emission and ash deposit were then measured by gas analyzer and smoke emission sampler, respectively. With Overdosing additives (twofold the amount of typical dosage), the ash deposit showed 55% to 110% higher than that of fuel without additives. The magnesium water solution had the highest ash deposit among the other. Organic barium showed the capability of reducing ash deposit. For emission pollution, higher NOx emission was found for the additives of magnesium acetate, magnesium water solution and organic barium testing. The characteristics of magnesium sulfate and magnesium water solution were tested carefully with five gold the amount of typical dosage. The NOx and S0x formation from magnesium water solution was measured 13% higher and 14% lower than that from magnesium sulfate testing, respectively. The deposition on the test article for the magnesium water solution was found more seriousthan that for magnesium sulfate. The effectiveness of uniformly blending was studied by different blending schemes. A soft and friable deposit was formed on the test model if the magnesium sulfate water solution was preblended with residual oil by amixer. Insufficient blending caused a hard deposition eas also found in this study. |
本系統中英文摘要資訊取自各篇刊載內容。