摘要
根据HJ2.2-2008中推荐的估算模型AERSCREEN预测结果显示,正常工况下油漆喷涂工序甲苯、二甲苯和VOCs的最大落地浓度和占标率分别为0.000 8mg/m^(3)和0.14%、0.001 2mg/m^(3)和0.41%、0.003 3mg/m^(3)和0.55%,UV固化工序VOCs的最大落地浓度和占标率分别为0.001 6mg/m^(3)和0.27%;而非正常工况下油漆喷涂工序甲苯、二甲苯和VOCs的最大落地浓度和占标率分别为0.008 3mg/m^(3)和1.38%、0.012 1mg/m^(3)和4.04%、0.032 9mg/m^(3)和5.48%,UV固化工序VOCs的最大落地浓度和占标率分别为0.016 5mg/m^(3)和2.75%。正常工况下有组织排放的二甲苯、甲苯等有机废气污染物对区域最大浓度点贡献值很小,占标率<10%,而非正常工况下则呈数量级增加,因此家具企业应避免有机废气末端吸附装置失效现象发生,定期检查设备运行状况,确保废气处理效率不低于90%。
The prediction results of the estimation model AERSCREEN recommended by HJ2.2-2008 displayed that, the maximum landing concentration and standard rates of toluene, xylene and VOCs in the paint spraying process under normal working conditions were 0.000 8 mg/m^(3) and 0.14%, 0.001 2 mg/m^(3) and 0.41%, 0.003 3 mg/m^(3) and 0.55% respectively, and the maximum landing concentration and standard rate of VOCs in the UV curing process was 0.001 6 mg/m^(3) and 0.27% respectively. However, under abnormal working conditions, the maximum landing concentration and standard rates of toluene, xylene and VOCs in paint spraying processes were 0.008 3 mg/m^(3) and 1.38%, 0.0121 mg/m^(3) and 4.04%, 0.032 9 mg/m^(3) and 5.48%, respectively, and the maximum landing concentration and standard rate of VOCs in UV curing processes were 0.016 5 mg/m^(3) and 2.75% respectively. Under normal working condition,the contribution to regional maximum concentration point by xylene, toluene and other organic gas pollutants of organized emission was very small, with the standard rate lower than 10%, while which achieved an order-of-magnitude increase under abnormal working conditions, so the furniture enterprises should avoid failure phenomenon of the organic waste gas terminal adsorption device, and check the running status of equipment on a regular basis to ensure that the waste gas processing efficiency of no less than 90%.
作者
郑晓茶
吴魏
潘志彦
ZHENG Xiao-cha;WU Wei;PAN Zhi-yan(Zhejiang Industry&Trade Vocational College,Wenzhou 325003,China)
出处
《浙江工贸职业技术学院学报》
2021年第2期38-42,共5页
Journal of Zhejiang Industry & Trade Vocational College
基金
2019年浙江省教育厅一般科研项目“喷漆废气VOCs复合型净化技术研究——以温州家具制造企业为例”(Y201942842)。
关键词
木质家具
环境影响预测
评价
喷漆
有机废气
wood furniture
environmental impact prediction
evaluation
paint spraying
organic waste gas
