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金洪章(唐山市职业病防治所)报道:为了探索电焊作业对工人健康的危害程度及其电焊工尘肺的发病特点,我们对本市十个机械厂中从事电焊作业的1125名工人进行了调查,并对生产环境空气中烟尘浓度和分散度进行了测定。调查结果:电焊作业环境中共设三个采样点,采集样品42个,空气中烟尘浓度20～585mg/m~3;多粉尘粒经在2μm以下者占79.3～79.5％,5μm以下者占95％;焊条药皮中
Jin Hongzhang (Tangshan Occupational Disease Prevention and Control Agency) reported: In order to explore the welding work to the extent of the health hazards of workers and the incidence of the characteristics of welder pneumoconiosis, the city of ten machinery factory in the welding work of 1125 workers were investigated and Smoke concentration and dispersion in the production environment were measured. Survey results: There are totally three sampling points in the welding operation environment, 42 samples are collected, and the dust concentration in the air is 20-585 mg / m ~ 3; 79.3-79.5% of dust particles less than 2μm and 95% Electrode coating