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水煤浆技术在燃油锅炉改造中的应用 被引量:3

Coal-water slurry technology applying to modification of oil-fired boilers
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摘要 广东省茂名热电厂和汕头万丰热电厂应用水煤浆燃烧技术,在近两年内成功完成了220t/h燃油锅炉改烧水煤浆的改造工程。改造后的锅炉各项技术指标达到标准要求,最低稳燃出力为40%额定负荷,锅炉热效率高于90%,燃烧效率高于99%,改造工程投资回收期不到1年。由于水煤浆的煤原料采用洗精煤,其硫分和灰分都比原煤的硫分和灰分要低得多,所以改造后烟气SO2排放的质量浓度和烟尘排放的质量浓度都低于广东省地方标准,对酸雨控制区的环保治理起到很大作用,减少了对大气的污染,大大提高空气质量。为此,可以肯定,燃油锅炉改烧水煤浆,经济效益和社会效益显著。 With domestic technology of coalwater slurry (CWS) combustion,the 220 t/h oilfired boilers in Maoming Cogeneration Power Plant and Shantou Wanfeng Cogeneration Power Plant in Guangdong were successfully changed into CWS fired boilers in recent two years.The performance indices of the modified boilers are satisfactory,minimal load for stable combustion being 40% of the rated load, boiler heat efficiency higher than 90%,combustion efficiency higher than 99%,investment recovery period shorter than 1 year.With clean coal as the coal ingredient,CWS is of much lower sulfur and ash content than raw coal,which makes the mass concentration of SO2 and dust emissions in the flue gas lower than local standards of Guangdong.This contributes greatly to the environmental protection in acid rain control area.It can be confirmed that the modification is of considerable economic and social benefits.
出处 《广东电力》 2002年第6期27-30,34,共5页 Guangdong Electric Power
关键词 水煤浆 燃油锅炉 改造 环保 发电厂 CWS oil-fired boiler modification environmental protection
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