| 垃圾焚烧发电厂机械通风冷却塔噪声治理技术研究 |
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| 引用本文： | 蔡小琼,王伯光,石雷,卢庆谱,熊孟清,黄晓鹏. 垃圾焚烧发电厂机械通风冷却塔噪声治理技术研究[J]. 环境科学与技术, 2009, 32(12). DOI: 10.3969/j.issn.1003-6504.2009.12.034 |
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| 作者姓名： | 蔡小琼 王伯光 石雷 卢庆谱 熊孟清 黄晓鹏 |
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| 作者单位： | 暨南大学环境工程系,广东,广州,510632;广州市环境监测中心站,广东,广州,510030;广州市环卫局固体废弃物管理中心,广东,广州,510170 |
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| 基金项目： | 广东省自然科学基金项目 |
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| 摘 要： | 针对城市典型垃圾焚烧发电厂机械通风冷却塔的噪声污染问题,采用现场实际测量方法分析了冷却塔的主要噪声源和频谱特性,研究了冷却塔的淋水噪声、风机、电机噪声的治理技术方案。淋水噪声的治理包括塔内降噪与塔外声波阻隔两条途径,塔内治理采用落水消能降噪导流装置,塔外治理采用交错式吸声隔声屏衰减技术。风机和电机噪声的治理分别采取双层微穿孔板消声器和复合式百叶隔声屏法。结果表明,该方案的淋水噪声塔内降噪、塔外声波阻隔、风机及电机噪声的噪声削减量分别为6.1、16.2、15~18、14.6dB,冷却塔整体噪声削减量为15.1~16.1dB,治理效果良好。
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| 关 键 词： | 发电厂 机械通风冷却塔 频谱特性 噪声治理 |
Treatment Technology of Noise from Mechanical Ventilating Cooling Tower of Waste Incineration Power Plant |
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| CAI Xiao-qiong,WANG Bo-guang,SHI Lei,LU Qing-pu,XIONG Meng-qing,HUANG Xiao-peng. Treatment Technology of Noise from Mechanical Ventilating Cooling Tower of Waste Incineration Power Plant[J]. Environmental Science and Technology, 2009, 32(12). DOI: 10.3969/j.issn.1003-6504.2009.12.034 |
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| Authors: | CAI Xiao-qiong WANG Bo-guang SHI Lei LU Qing-pu XIONG Meng-qing HUANG Xiao-peng |
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| Affiliation: | CAI Xiao-qiong1,WANG Bo-guang1,SHI Lei1,LU Qing-pu2,XIONG Meng-qing3,HUANG Xiao-peng3 (1.Department of Environmental Engineering,Jinan University,Guangzhou 510632,China,2.Guangzhou Environmental Monitoring Centre,Guangzhou 510030,3.Guangzhou Municipal Solid Waste Administration Centre,Guangzhou 510170,China) |
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| Abstract: | Noise pollution from mechanical ventilating cooling tower of municipal typical waste incineration power plant was studied,with analysis of main noise sources,producing mechanisms and spectral characteristics. Falling water noise decay of inside tower denoise together with sound wave obstructing outside tower,fan noise muffling technology with doublemicroperforated-panel muffler,and electric motor sound insulation using multiple shutter sound barrier were adopted to study control proposal of noise from falli... |
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| Keywords: | power plant mechanical ventilating cooling tower spectral characteristics noise treatment |
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