张燕云;宋从波;刘茂;刘旭峰;姜珊珊;

• 1:南开大学城市公共安全研究中心

摘要(Abstract)：

由规模化养猪场所带来的恶臭问题越来越受到公众的重视,也影响着养猪行业的可持续健康发展。而确定恶臭防护距离是控制恶臭污染和减轻养猪场周边居民健康影响的重要措施之一。采用了典型养猪场中NH3和H2S的联合恶臭强度分级方法,利用Fluent软件对养猪场恶臭源扩散模拟结果进行联合恶臭强度分级,最后从恶臭管理的角度确定了养猪场恶臭防护距离,并与国外推荐的养猪场恶臭防护距离计算公式法的结果进行了比较。结果表明,养猪场内部恶臭强度为5级,为不可接受区,需要加强猪舍的粪便清理及通风条件的改善;生活在恶臭强度为3、4、5级所覆盖区域的居民应该尽量减少户外活动,并有必要向当地的环保部门或政府举报,要求加强恶臭管理。养殖规模为2 000头的实例养猪场的恶臭安全防护距离约为200 m。

关键词(KeyWords)： 环境学;恶臭;养猪场;强度分级;Fluent

Abstract:

Keywords:

基金项目(Foundation): 国家科技支撑计划项目(2012BAJ24B04)

作者(Authors): 张燕云;宋从波;刘茂;刘旭峰;姜珊珊;

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