由南京工学院和江苏省泰兴县水泵厂联合研制的XN5—40型水下吸泥机,目前在省级鉴定会上通过,已投入批量生产。该产品在天津、上海、南京、辽宁、安徽、浙江、山东等省市的航道、水库、港口、渔塘试用,效果良好。水下吸泥机可在不断航、不排水的情况下进行河道清淤。机上一人操作电钮,一人协助移动浮体。在5米深的水下吸泥2米以上,每台班可吸泥150～200立方米。该机由NL100—16型立式泥浆泵、水下自冲自吸装置和减速传动机构三大系统组成,所 The XN5-40 underwater sucker developed jointly by Nanjing Institute of Technology and Taixing Pump Factory in Jiangsu Province has passed the provincial appraisal meeting and has been put into mass production. The product in Tianjin, Shanghai, Nanjing, Liaoning, Anhui, Zhejiang, Shandong and other provinces and cities, reservoirs, reservoirs, fishing ponds trial, the effect is good. Underwater suction mud can be kept in the air, do not drain the case of river dredging. A person operating the button on the machine, one person to help move the buoy. In the 5-meter-deep underwater suction more than 2 meters, each class can absorb 150 to 200 cubic meters of mud. The machine consists of NL100-16-type vertical mud pump, self-priming underwater self-absorption device and the slowdown of the three major components of the transmission system,