| 铁路车站货场矿石装载作业场所粉尘污染现状调查 |
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| 引用本文： | 张佩元.铁路车站货场矿石装载作业场所粉尘污染现状调查[J].职业与健康,2011,27(18):2069-2070. |
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| 作者姓名： | 张佩元 |
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| 作者单位： | 广州铁路(集团)公司长沙疾病预防控制中心,湖南省长沙市,410007 |
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| 摘 要： | 目的对怀化铁路地区7个车站货场装载作业场所粉尘污染及防护现状进行分析,为预防尘肺病等职业危害提供依据。方法现场职业卫生学调查与粉尘浓度监测。结果监测7个车站货场时间加权总尘浓度,点次符标率仅4%,浓度波动幅度为9.6~341.8 mg/m3,各车站货场作业场所粉尘浓度均超标,超标倍数2.75~28.78。结论各车站货场装载作业场所粉尘污染十分严重,迫切需要实施防尘降尘措施,在作业场所配置多个成排高压远距离旋转式喷雾水龙头,向装载作业现场尘源逸散与排放的空气带中喷射雾化水珠,并通过建立地下渗滤系统,循环回收利用。
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| 关 键 词： | 车站货场 粉尘 污染现状 调查 |
Present Situation Investigation of Dust Pollution in Ore Loading Workplaces of Railway Station Yard |
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| ZHANG Pei-yuan.Present Situation Investigation of Dust Pollution in Ore Loading Workplaces of Railway Station Yard[J].Occupation and Health,2011,27(18):2069-2070. |
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| Authors: | ZHANG Pei-yuan |
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| Institution: | ZHANG Pei-yuan(Changsha Center for Disease Control and Prevention Affiliated to Guangzhou Railway(Group) Company,Hunan,410007,China) |
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| Abstract: | Objective]To analyze the dust pollution and protection in ore loading workplaces of 7 railway station yards of Huaihua area,and provide evidence for prevention of pneumoconiosis and other occupational hazards.Methods]On-site occupational health survey and the dust concentration monitoring were performed.Results]Monitoring 7 stations yard time-weighted concentration of total dust,the total number of monitoring points,only 4% met the national standard,fluctuations in the range of total dust concentration o... |
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| Keywords: | Station Yard Dust Pollution status Survey |
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