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洛阳车辆段段修车间在维修制动梁及钩缓的过程中需要进行焊补作业 ,作业环境中的电焊尘质量浓度高达 14.3mg/ m3,严重超标。为了降低车间内的粉尘浓度 ,避免工人尘肺病的发生 ,该段由铁道部劳动卫生研究所设计 ,路局投资对制动梁、钩缓间的电焊尘进行了治理。为了检验其治理效果 ,我站对其电焊尘净化系统进行了卫生学评价分析。结果显示 ,车间内的电焊尘质量浓度由原来的 14.3mg/ m3降至 4 mg/ m3以下
Luoyang vehicle segment repair shop in the process of repairing the brake beam and hook slow welding work needs to be repaired, the welding dust concentration in the operating environment up to 14.3mg / m3, seriously overweight. In order to reduce the concentration of dust in the workshop and avoid the occurrence of pneumoconiosis among workers, this section was designed by the Ministry of Railways Labor and Welfare Institute. The Bureau invested in the control of the welding dust on the brake beam and the hitch. In order to test its governance effect, I station on its electric welding dust purification system for hygiene evaluation. The results showed that the concentration of electric welding dust in the workshop decreased from 14.3mg / m3 to below 4mg / m3