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加强建筑物的通风换气,是改善劳动条件的重要措施之一。实现这一措施较理想的设备是屋面通风器。通风器在国外已得到广泛的应用,特别是拥有大量密闭厂房的西欧和美国对屋面通风器的使用更为普遍。目前我国对屋面通风器的技术性能还处于研究阶段,产品单一,不配套。为了满足冶金、机械、轻工、化工及民用建筑物的非腐蚀性气体全室性通风换气,排除有害气体和余热,以改善建筑物内的环境条件,从一九八○年机械工业部第四设计研究院
Strengthening the ventilation of buildings is one of the important measures to improve working conditions. The ideal equipment for this measure is a roof ventilator. Ventilators have been widely used abroad, especially in West Europe and the United States with a large number of closed plants. The use of roof ventilators is more common. At present, the technical performance of roof ventilators in China is still in the research stage, and the products are single and do not support. In order to satisfy the non-corrosive gases of metallurgy, machinery, light industry, chemical industry and civil buildings, the ventilation of the whole room is ventilated, and the harmful gases and residual heat are removed to improve the environmental conditions in the building. From the Ministry of Machinery Industry in 1980 Fourth Design Institute