Wastewater cleaning device for servicing and maintenance of civil engineering structure, has mechanical device including tube connected to hollow piece on which gravel case and comminuting unit driven by electric motor are mounted

摘要

The device has a mechanical device with a pneumatic and electrical control to be inserted inside wastewater and rainwater inlets of a pumping station and including a tube (1) that has two pneumatic seals (2, 3). The tube is provided with a piezometric probe (4) for measuring the water head, where the seals are introduced in the inlet. The tube is connected to a hollow piece (5) on which a gravel case (9) and a comminuting unit (10) driven by an electric motor are mounted.