“真空吸送”是天津染化二厂的工人高举毛泽东思想伟大红旗,在伟大的无产阶级文化大革命中创造出来的一项新技术。它具有吸料可靠、操作方便、灭尘作业和维修量小等许多独特的优点,因此引起了天津地区铸造行业的很大重视。但曾因输送率低和电耗指标高,限制了它的使用范围。毛主席教导我们:“一切新的东西都是从艰苦斗争中锻炼出来的。”“在生产斗争和科学实验范围内,人类总是不断发展的,自然界也总是不断发展的,永远不会停止在一个水平上。”毛主席的伟大教导,给我们指明了前进的方向。我们天津纺织机械厂和一机部天津设计院联合成立 “Vacuum suction and delivery” is a new technology created by workers at Tianjin No.2 Plantation Factory who hold high the great red banner of Mao Zedong Thought during the Great Proletarian Cultural Revolution. It has many unique advantages such as reliable suction, easy operation, small dust-removing operation and small maintenance volume, which has attracted a great deal of attention in the foundry industry in Tianjin. However, due to low delivery rate and high power consumption index, which limits its scope of use. Chairman Mao taught us: “Everything new is tempered by arduous struggle.” “In the struggle for production and within the limits of scientific experimentation, mankind always develops continuously, and nature continues to evolve and never stop On a level, ”Chairman Mao’s great teaching has given us a clear direction for our progress. We Tianjin Textile Machinery Factory and a machine designed Tianjin Institute of Design jointly established