论文部分内容阅读
碳化硅是人工合成的磨料之一,广泛用于机械加工、耐火材料、冶金铸造等工业生产。鉴于碳化硅对人的危害资料不多,我们调查了某砂轮厂碳化硅车间,现将调查结果报告如下。1 现场调查该车间是1981年建的简易车间,无防尘设施,半自动化生产。以石英砂、石油焦
Silicon carbide is one of synthetic abrasive, widely used in mechanical processing, refractory materials, metallurgical casting and other industrial production. In view of the small number of people on the dangers of silicon carbide, we investigated a grinding plant silicon carbide workshop, the findings are reported below. 1 Site Survey The workshop was built in 1981 simple workshop, no dust-proof facilities, semi-automatic production. With quartz sand, petroleum coke