| 摘要 |
<p>The device comprises a movable bridge with a blade arm (2) raking waste. A sludge depression (3) with a hole for withdrawing of the waste is fastened to the movable bridge, where to the hole a sucking hose-pipe of a mammoth pump (4) is connected, fitted with an air supply (5) and an effluent conduit (7) coming out of the tank. The pressure air supply (5) is equipped with an electromagnetic valve (6) and a device for automatic switching-on and switching off the valve (6) of the pressure air supply (5) to the mammoth pump (4). The pressure air (5) can be supplied from the central part of the tank via a rotating input. In the process, the blade arm (2) is in permanent contact with the sludge depression (3) and the sludge depression (3) is outside equipped with a rubber sealing slat touching the scumboard (1).</p> |
