石化企业高毒物品危害及其关键控制点分析

目的调查某石化企业生产过程中产生的高毒物品及其危害关键控制点，为石化企业高毒物品的防护提供依据。方法采用现场职业卫生学调查和工作场所化学毒物检测相结合的方法对企业存在的化学毒物进行分析。结果在石油化工的生产过程中，在作业场所中存在高毒物品较多，主要包括硫化氢、苯、氨、氯气、羰基镍、氰化物、焦炉逸散物和电离辐射等。其中硫化氢、苯、氨分布较为广泛。在采样口、检尺口、检验、污水处理水池高毒物品超标严重，分别占32％、66％、13％和9％，苯和硫化氢的超标率分别占23％和6％，其它工作场所高毒物品的检测结果均低于职业接触限值。结论高毒物品的关键控制点为采样口、检尺口、检验和污水处理池，苯和硫化氢危害最为严重，应加强其防毒措施。

Analysis of occupational hazard of high toxic substances and the key control points in a petrification enterprise

Objective To survey the occupational hazard of high toxic substances and the key control point in a petrification enterprise.Methods The chemicals and their occupational hazard were suveyed in workplace by occupational hygiene survey and were monitored by a short time and time-weighted average concentration.Results There were about 9 kinds of high toxic substances in the petrification enterprise,including hydrogen sulfide,benzene,amonia,chlorine gas,nickel carbonyl,cyanide,scorched dissipation and so on.The...