多污染源集成式排风罩有害气体控制研究
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摘要
为了研究控制多污染源污染物散发的有效方法,采用CFD技术模拟分析了集成式排风罩与独立排风罩在相同条件下对多污染源有害气体的控制效果,研究结果表明:集成式排风罩气流流向有利于工人呼吸健康;独立排风罩和集成式排风罩两侧排风罩对有害气体的控制效果均要优于中间排风罩的控制效果,但在呼吸区相同控制点处集成式排风罩对有害气体的控制效果要明显优于独立排风罩。
In order to study the effective methods of controlling the emission of pollutants from multiple pollution sources.The CFD technology was used to simulate the effect that integrated exhaust hood and the individual exhaust hood control the harmful gases under the same conditions when multip-pollution sources emit harmful substances simultaneously.The results show that the flow direction of integrated exhaust hood is more favorable for workers to breathe fresh air than that of individual exhaust hood. It found that the control effect of both sides of the independent exhaust hood and the integrated exhaust hood is better than that of the middle one,but the integrated exhaust hood has better control effect on harmful gases at the same control point in the respiratory area.
In order to study the effective methods of controlling the emission of pollutants from multiple pollution sources.The CFD technology was used to simulate the effect that integrated exhaust hood and the individual exhaust hood control the harmful gases under the same conditions when multip-pollution sources emit harmful substances simultaneously.The results show that the flow direction of integrated exhaust hood is more favorable for workers to breathe fresh air than that of individual exhaust hood. It found that the control effect of both sides of the independent exhaust hood and the integrated exhaust hood is better than that of the middle one,but the integrated exhaust hood has better control effect on harmful gases at the same control point in the respiratory area.
引文
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[2]KARAISMAIL E,CELIK I,GUFFEY S E.Flow dynamics and contaminant transport in industrial-type enclosing exhaust hoods[J].Journal of occupational and environmental hygiene,2013,10(7):384-396.
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[4]第五徐涛.多热源作用下侧吸罩流场及捕集效率特性的研究[D].西安:西安建筑科技大学,2016:1-98.
[5] HUANG Y,WANG Y,LIU L,et al.Reduced-scale experimental investigation on ventilation performance of a local exhaust hood in an industrial plant[J]. Building and environment,2015,85:94-103.
[6]邢金城,李元辰,凌继红,等.高截面单双侧条缝式槽边排风罩排风量的影响因素[J].暖通空调,2017,47(2):88-92.
[7]房俊格.伴有热污染的气幕上吸罩流场特性分析[J].洁净与空调技术,2008(2):24-28.
[8]刘波.多污染源共同作用对工业建筑室内污染物浓度分布的影响[D].西安:西安建筑科技大学,2015:1-83.
[9]王怡,刘波,曹莹雪,等.双污染源对室内浓度场分布影响的数值模拟研究[J].西安建筑科技大学学报(自然科学版),2015,47(4):592-597.
[10]李聪聪,曹莹雪,王怡.多污染源对工位污染物浓度贡献率的研究[J].建筑热能通风空调,2017,36(11):31-36.
[11]HUANG Y Q,WANG Y,LIU L,et al. Performance of constant exhaust ventilation for removal of transient high-temperature contaminated airflows and ventilationperformance comparison between two local exhaust hoods[J].Energy and buildings,2017,154:207-216.
[2]KARAISMAIL E,CELIK I,GUFFEY S E.Flow dynamics and contaminant transport in industrial-type enclosing exhaust hoods[J].Journal of occupational and environmental hygiene,2013,10(7):384-396.
[3]杜雅兰,黄明娟,周丽铭.全面通风与局部通风的应用分析[J].铁路节能环保与安全卫生,2014,4(3):143-147.
[4]第五徐涛.多热源作用下侧吸罩流场及捕集效率特性的研究[D].西安:西安建筑科技大学,2016:1-98.
[5] HUANG Y,WANG Y,LIU L,et al.Reduced-scale experimental investigation on ventilation performance of a local exhaust hood in an industrial plant[J]. Building and environment,2015,85:94-103.
[6]邢金城,李元辰,凌继红,等.高截面单双侧条缝式槽边排风罩排风量的影响因素[J].暖通空调,2017,47(2):88-92.
[7]房俊格.伴有热污染的气幕上吸罩流场特性分析[J].洁净与空调技术,2008(2):24-28.
[8]刘波.多污染源共同作用对工业建筑室内污染物浓度分布的影响[D].西安:西安建筑科技大学,2015:1-83.
[9]王怡,刘波,曹莹雪,等.双污染源对室内浓度场分布影响的数值模拟研究[J].西安建筑科技大学学报(自然科学版),2015,47(4):592-597.
[10]李聪聪,曹莹雪,王怡.多污染源对工位污染物浓度贡献率的研究[J].建筑热能通风空调,2017,36(11):31-36.
[11]HUANG Y Q,WANG Y,LIU L,et al. Performance of constant exhaust ventilation for removal of transient high-temperature contaminated airflows and ventilationperformance comparison between two local exhaust hoods[J].Energy and buildings,2017,154:207-216.