| 污泥处置堆肥发酵仓气体数值模拟及减少臭气扩散分析 |
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| 引用本文： | 杨非,楼上游,马殿旗.污泥处置堆肥发酵仓气体数值模拟及减少臭气扩散分析[J].给水排水,2011(Z1). |
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| 作者姓名： | 杨非 楼上游 马殿旗 |
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| 作者单位： | 机械科学研究总院; |
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| 摘 要： | 污泥的处理处置已成为城市污水处理的重要问题之一。为研究堆肥发酵仓臭气收集规律,运用计算流体力学方法对发酵仓气体环境进行了数值模拟,并对模拟结果进行了比较分析。得到了仓内气体温度及压力规律并分析了排气口布置对转仓机出口上部气体流速的影响。结果表明,温度对厂房内气流影响不容忽视,同时发酵仓排气口排气量比重向进料端倾斜的方案可增强厂房的相对封闭性。
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| 关 键 词： | 污泥处置 堆肥 发酵仓 臭气 计算流体力学(CFD) |
Gas numerical simulation of composting fermentation tanks and analysis of reducing odor dispersion in sludge disposal |
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| Yang Fei,Lou Shangyou,Ma Dianqi.Gas numerical simulation of composting fermentation tanks and analysis of reducing odor dispersion in sludge disposal[J].Water & Wastewater Engineering,2011(Z1). |
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| Authors: | Yang Fei Lou Shangyou Ma Dianqi |
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| Affiliation: | Yang Fei,Lou Shangyou,Ma Dianqi(China Academy of Machinery Science & Technology,Beijing 100044,China) |
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| Abstract: | Sludge treatment and disposal is one of the important problems of municipal wastewater treatment.In order to study odor collection characteristics in composting fermentation tanks,gas environment in fermentation tanks is simulated with CFD and the results are analyzed.The temperature and relative pressure are obtained.And then it is analyzed that the effect of air outlet arrangement on gas velocity of the upper part of storehouse transferring machine entrance.The results indicate that it is hardly ignored t... |
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| Keywords: | Sludge disposal Composting Fermentation tank Odor CFD |
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