论文部分内容阅读
目的对某有氰电镀厂电镀银生产过程中职业病危害因素进行识别与分析,确定职业病危害因素的关键控制岗位与控制点,为制定与之相适应的合理、有效职业病防治措施提供依据。方法采样现场调查法、工程分析法、检测检验法等相结合的方法进行职业病危害识别与分析。结果该有氰电镀厂生产过程中存在粉尘(絮凝剂、沉淀剂、银等)、化学性毒物(氰化物、铬及其化合物、苯、甲苯、二甲苯、硫酸、盐酸、氢氧化钠、氮氧化物等)、物理因素(高温、噪声)等职业病危害因素。工作场所空气中粉尘、化学性毒物浓度均符合国家职业接触限值的要求,噪声、高温等也符合国家职业卫生要求。但抛光平台、污水处理配药间粉尘浓度分别达到8.3 mg/m3、9.0 mg/m3,剥漆间甲苯浓度达到55 mg/m3。结论该有氰电镀厂存在的职业病危害因素较多,化学性毒物较复杂,某些岗位职业病危害因素存在超标的可能,现场需进行治理。
Objective To identify and analyze the occupational hazards in the process of silver electroplating in a cyanide electroplating factory, determine the key control positions and control points of the occupational hazards, and provide the basis for the formulation of appropriate and effective occupational disease prevention and control measures. Methods Sampling site investigation, engineering analysis, testing and testing methods such as a combination of methods for identification and analysis of occupational hazards. Results There were dust (flocculant, precipitant, silver, etc.), chemical toxicants (cyanide, chromium and their compounds, benzene, toluene, xylene, sulfuric acid, hydrochloric acid, sodium hydroxide, Oxide, etc.), physical factors (high temperature, noise) and other occupational hazards. Dust in the air in the workplace, chemical concentrations of toxicants are in line with the requirements of the national occupational exposure limits, noise, high temperature, also in line with national occupational health requirements. However, the dust concentration of the polishing platform and the sewage treatment pharmacy reached 8.3 mg / m3 and 9.0 mg / m3, respectively, and the toluene concentration in the stripping paint reached 55 mg / m3. Conclusion There are many occupational hazards in this cyanide electroplating factory, the chemical poison is more complicated, the risk of occupational diseases in some posts may exceed the standard, and the site needs to be controlled.