1977年7月,长江航运管理局上海分局成功地改建了长江第一艘机械洗舱和含油污水处理船——洗舱一号。 以前上海分局的蒸汽机船和油轮、油驳的油舱清洗,都是由人工进行的,工效低、时间长,运力和燃料的损失很大。蒸汽机船每年洗舱损失的运力相当一条700匹马力的 In July 1977, the Shanghai Branch of the Yangtze River Shipping Administration successfully rebuilt the first mechanical tank washing and oil-containing sewage treatment vessel in the Yangtze River - tank washing one. In the past, Shanghai branch of steam vessels and tankers, oil barge oil tank cleaning, are carried out by hand, low efficiency, long time, capacity and fuel loss. The annual loss of steam engine ship washing capacity of a considerable 700 horsepower