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对山东省内以湿法生产磷肥的20户中小型企业的硫酸车间、磷肥车间职业危害状况进行了调查 ,结果表明:硫酸车间二氧化硫(SO2)、磷肥车间氟化物日平均浓度均超过国家最高容许浓度标准的几倍到十几倍 ;作业工人尿中硫酸盐、尿氟含量及氟斑牙、肺气肿患病率明显高于对照组。结合调查结果 ,提出了整改建议。
Occupational hazards of sulfuric acid plant and phosphate fertilizer plant in 20 small and medium-sized enterprises producing wetland phosphate fertilizer in Shandong Province were investigated. The results showed that the daily average concentration of fluoride in SO2 and phosphate plants in the sulfuric acid plant surpassed the national maximum allowable Concentration standards several times to ten times; workers in urine urinary sulfate, urinary fluoride content and dental fluorosis, emphysema prevalence was significantly higher than the control group. Combined with the survey results, put forward suggestions for rectification.