真空清理机为七十年代随着环保事业的发展在工业发达国家首先研制出的一种现代化环保设备,兼作物料回收及运送设备。例如,美国NFE公司生产多种类型的Hi—Vac重负荷工业用真空清理机(Industrial vacuumcleaner),生产率(吸运物料能力):小型机为1～3吨/时,大型机可达每小时数十吨。小型机靠人力推动;10吨/时左右的中型 Vacuum cleaner for the seventies with the development of environmental protection in industrialized developed countries first developed a modern environmental protection equipment, both as material recovery and transportation equipment. For example, the United States NFE company produces many types of Hi-Vac industrial vacuum cleaners (Industrial vacuumcleaner), productivity (absorbent material capacity): Minibuses 1-3 tons / h, mainframe up to the number of hours Ten tons. Small machine by manpower to promote; 10 tons / hour or so medium