论文部分内容阅读
目的分析南京市某公司二元醇醚及醋酸酯项目中的职业病危害因素及危害情况和拟采取措施的有效性,提出危害控制关键点。方法采用类比法、经验法。结果可能产生的职业病危害有环氧乙烷、苯、醋酸和丁醇等化学有害因素和噪声、工频电场等物理有害因素。类比企业检测噪声作业点结果为60.5~83.2 d B(A),醚化操作工8 h加权结果为78.2 d B(A),工频电场结果为0.6~110 V/m。环氧乙烷各岗位的时间加权平均(TWA)浓度为0.1~0.2 mg/m3,超限倍数为0.1;丁醇未检出;醋酸短时接触浓度(STEL)未检出~5.2 mg/m3,TWA未检出~0.4 mg/m3;苯STEL为未检出~0.2mg/m3,TWA为未检出~0.1 mg/m3,均符合相应限值。除总体布局外拟采取的防护措施符合相关要求。结论该项目在完善相关补充措施后可行。
Objective To analyze the occupational hazards and hazards in a glycol ether and acetic ester project of a company in Nanjing and the effectiveness of the measures to be taken, and put forward the key points of hazard control. Methods using analogy, experience method. As a result, occupational hazards may be caused by chemical harmful factors such as ethylene oxide, benzene, acetic acid and butanol, noise, power frequency electric field and other physical harmful factors. The results of the analogue noise detection point test were 60.5-83.2 d B (A), the etherification operator 8 h was 78.2 d B (A), and the electric field frequency was 0.6-110 V / m. The concentration of time-weighted average (TWA) for ethylene oxide was 0.1-0.2 mg / m3 with the limit of multiple being 0.1; butanol was not detected; STEL was not detected ~ 5.2 mg / m3 , TWA did not detect ~ 0.4 mg / m3; benzene STEL was not detected ~ 0.2 mg / m3, TWA was not detected ~ 0.1 mg / m3, are in line with the corresponding limits. In addition to the overall layout of the proposed protective measures to comply with the relevant requirements. Conclusion This project is feasible after improving relevant supplementary measures.