重庆市某制盐生产企业职业病危害因素及其关键控制点分析

目的识别、分析某制盐生产企业的职业病危害因素，确定其职业病危害的关键控制点。方法采用现场卫生学调查、职业病危害因素检测检验方法。结果岗位噪声共检测了59个点，超标39个点，超标率为66．1％；WBGT指数共检测了20个点，有3个超标，超标率为15．0％；粉尘共检测了16个点，有3个超标，超标率为18．75％；化学物质检测均达标。结论产生噪声、高温、粉尘的采卤、加药、输煤、灰仓、渣仓、包装等岗位为制盐生产的关键控制点，应从关键控制点人手，采取有效的职业病防护设施及措施，降低职业病危害，保护劳动者健康。

Analysis on occupational hazard factors and critical control points in a salt manufacturing enterprises in Chongqing City

[ Objective] To find and analyze the occupational hazard factors of the salt manufacturing enterprise, and confirm the critical control points of occupational hazard. [ Methods] The on-site occupational health investigation and occupational hazard fac- tors inspection method were adopted. [ Results]59 points of noise positions were detected~ 39 points exceeded the standard~ and the exceeding rate was 66.1%. 20 points of WBGT index were detected, 3 points exceeded the standard, and the exceeding rate was 15.0%. 16 points of dust positions were detected, 3 points exceeded the standard, and the exceeding rate was 18.75%. The chemical detection all reached the standard. [ Conclusion ] The post of brine, chemicals feed, coal transfer, ashpit, cinder bin and packing which made noise, heat and dust are the critical control points. The effective occupational disease prevention facilities and measures should be adopted to reduce the occupational hazards and protect wokers＇heahh.