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铸造行业的一个突出的卫生问题,是工人受型砂粉尘危害而发生矽肺,如鞍钢机修总厂矽肺患病率达5.4%,配砂、制砂和清砂工人与矽尘接触5～42年即相继发病,平均发病工龄分别为13.3、20.3和14.2年。我省广州重型机器厂也发现矽肺病人,发病工龄在3～11年,而且都合并有肺结核。矽肺是由于在生产劳动中长期吸入含有游离二氧化矽的粉尘,引起肺部病变为主的
Casting industry, a prominent health problems, the workers affected by sand dust hazards silicosis, such as the Anshan Iron and Steel Plant silicosis prevalence rate of 5.4%, with sand, sand and sand workers contact with silica dust 5 to 42 years In succession, the average length of service was 13.3, 20.3 and 14.2 years respectively. Heavy machinery plant in Guangzhou Province, Guangzhou, also found that patients with silicosis, the length of service in 3 to 11 years, and are combined with tuberculosis. Silicosis is caused by long-term inhalation of dust containing free silica in the productive work, causing lung lesions