Belt filter press NPF

automatichigh-pressurefor sludge treatment

The sludge belt press is recommended for medium-small sludge treatment plants. Generally it is installed downstream the sludge treatment lines and consists of a frame with two stiffed lateral sides suitably connected to each other, storage and drain tanks for the filtered water, two joined belts through which the sludge to be dewatered passes, a roller assembly used to drain and press the sludge, belt puller, belt centring and transmission rollers, a washing system with nozzles for each belt and a variable speed drive. The roller assembly includes a big diameter roller for the drain, a low pressure roller and six high pressure rollers two of which also for transmission, two belt pullers, two belt centring rollers, three return rollers and one roller for the inlet to the working area. The sludge enters the hopper of the belt press through a delivery piping and is distributed on the lower belt by a baffle; successively it meets the upper belt and helped by the inlet roller is conveyed to the pressure zone.