吉林省辉南县水泥厂民兵刘向东所在的生料车间,强力通风系统经常出现故障,不但影响生产,而且还需经常更换电机和叶轮、造成巨大浪费。身为钳工的刘向东虽然只有初中文化,但他不畏艰难,决心改造这一设备,变强力通风为自然通风,这种通风形式在小厂可以,但在他们这个日生产能力达500余吨的大厂能否行得通,他心里没底。他利用业余时间查阅了大量资料,并和有关技术人员反复进行论证,在三个多月的时间里,他 Jilin Province Huinan cement factory militia Liu Xiangdong where the raw material workshop, strong ventilation system often fails, not only affect the production, but also need to frequently replace the motor and impeller, resulting in a huge waste. As a fitter, Liu Xiangdong, though only a junior middle school student, did not hesitate to reform the equipment and turned power and ventilation into a natural ventilation system. However, on this day, Liu Xiangdong, with his capacity of more than 500 tons Dachang can work, he did not mind the end. He used his spare time to access a large amount of information, and repeated discussions with relevant technical staff. In more than three months, he