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随着城市的建設和发展,街道也不断展阔、延伸,街道清扫負荷逐漸加重,落后的清扫工具,已不能适应实际需要。自从1958年大跃进以来,根据室內有小型吸尘机器的原理,天津市环境卫生管理处和所属洒运汽車修理厂在天津大学供热供煤及通风专业教研室密切协作下,对供街道清扫的吸尘汽車进行了試驗和試制。一、街道垃圾的悬浮和风运试驗 1.材料:把街道清扫起来的垃圾,选出不同类型的煤块、炉渣、洋灰块、石子、木棒木块、砖瓦、紙片、馬粪、树叶、稻草等
With the construction and development of the city, the streets are also continuously expanding and extending. As a result, the street sweeping load gradually aggravates. The backward cleaning tools can no longer meet the actual needs. Since the Great Leap Forward in 1958, according to the principle of indoor small vacuum cleaner, Tianjin Environmental Sanitation Administrative Office and its affiliated Shuoyun Automobile Repair Factory, in close cooperation with the Department of Heating, Coal Supply and Ventilation, Tianjin University, Vacuum cleaning cars were tested and trial. First, the street garbage levitation and wind test 1. Material: the street cleaning up the garbage, select different types of coal, slag, cement blocks, stones, wooden sticks, tiles, paper, horse manure, leaves , Straw and so on