论文部分内容阅读
目的了解分析目前67家熔模铸造企业的粉尘危害状况。方法查阅职业病危害项目申报资料档案、体检机构的体检资料档案和现场调查相结合。结果2008年在清砂、砂轮、抛丸岗位粉尘浓度与2004年比较分别下降60.3%、34.9%和33.4%,体检中发现的两肺纹理增粗、小阴影患者较2004年明显下降(P<0.01),职业病发病有所控制。结论熔模铸造企业的粉尘危害经过改造有所好转。
Objective To understand and analyze the dust hazard status of 67 investment casting enterprises. Methods to check the occupational disease hazard project to declare the file, physical examination data and physical examination of the scene combined. Results In 2008, the dust concentrations in sand-cleaning, grinding wheel and shot-blasting stations decreased by 60.3%, 34.9% and 33.4% respectively compared with those in 2004. The lungs of the two lungs were thicker in the physical examinations and the number of small-shadow patients was significantly lower than that in 2004 (P < 0.01), occupational disease control. Conclusion Dust damage from investment casting businesses has been improved by retrofitting.