頁籤選單縮合
題 名 | 動力工場燃煤鍋爐之污染防治=Abatement of Pollutants in Pulverized Coal Fired Boilers |
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作 者 | 何燦穎; 歐正章; 吳朝鐘; | 書刊名 | 技術與訓練 |
卷 期 | 25:1=200 2000.02[民89.02] |
頁 次 | 頁91-98 |
專 輯 | 能源與環保專集 |
分類號 | 454.89 |
關鍵詞 | 污染物減量; 選擇性非觸煤尿素還原法; 石灰石脫硫系統; 硫氧化物; 氮氧化物; 粉塵; Abatement of pollutants; SNCR-Urea; Limestone emission control; SOx; NOx; Dust; |
語 文 | 中文(Chinese) |
中文摘要 | 中鋼公司動力工場擁有三座美國ABB-CE VU-40切線燃燒式燃煤鍋爐。雖然煙囪廢氣排放完全符合環保法規要求,但是為了公司NOx與SOx排放總量管制及降低污染稅的課徵,特別進行NOx及SOx排放減量改善工作。 本文即介紹改善之過程與結果,內容包括鍋爐之基本特性,商業化NOx、SOx及粉塵排放減量技術評估,SNCR.尿素NOx減量系統,以及流動床式石灰石拉SOx減量系統與應用實績。在粉塵方面,經採用靜電集塵器後,使排塵量降至60mg/Nm3;在Nox排放方面,經採用SNCR-尿素法,已降低至200 ppm(6%O□)以下;而SOx排放方面,採用流動床式石灰石粒煙囪脫硫系統,可降低至50 ppm(6%O□)以下,均達到預期之目標。 |
英文摘要 | There are three sets of ABB CE (USA) VU-40 pulverized coal tangential fired boiler in China Steel Corporation. The abatement of NOx and S0x were carried out for the total emission limit and pollutant levies, even that the emissions of NOx and S0x met the environmental regulations. This report describes the proaress and results of the abatement of air pollutants, including the characteristics of the coal fired boilers, the feasibility study of the commercialized technologies of NOx, S0x and Dust control, the application and performance of SNCR-Urea process for NOx reduction, Limestone Emission Control process for S0x reduction and Electrostatic Precipitator for Dust removal. After the installation of emission control facilities, Dust can be reduced under 60 mg / Nm□; NOx emission can be reduced under 200 ppm (6% 0□) and S0x can be reduced under 50 ppm (6% O□). All the performance achieves the target of pollutant abatement. |
本系統中英文摘要資訊取自各篇刊載內容。