Rectangular Sludge Scraper Systems
Our Rectangular Scraper Systems are designed for primary and secondary settlement tanks with diameters of up to 70 meters in length and 20 meters in width. Our Scraper incorporates a range of features designed to offer the most cost-effective option whilst minimising maintenance requirements throughout the product lifecycle. The primary goal of the Rectangular Scraper System is to help with the desludging and descuming of primary and final settling tanks. In a Rectangular Tank, the inflow is distributed at one side of the tank, and leaves the tank at the opposite side. As the Suspended Solids settle, the bottom scraper blade, pushes the settled sludge against the flow and into a sludge hopper, which is located at the end of the rectangular tank. While that is happening underneath the surface, the surface scum (Floating Organic Matter) is also moved against the flow to the outlet end of the tank where it is then laundered and washed in a wash water system before it is taken away for further treatment. After this operation, the Scraper blades then lift and the Rectangular Bridge returns to the start position awaiting for the next cycle.
Rotating Sludge Scraper Systems
Our Rotating Bridge Scraper System are designed to remove Settled Sludge and Scum from Circular Settlement Tanks. Two types of Rotating Bridge Scraper System, Half Bridge Scrapers which have a diameter range of 5 meters to 35 meters and Full Bridge Scrapers, which have a diameter range of 25 meters to 50 meters. Our Scraper incorporates a range of features designed to offer the most cost-effective option whilst minimising maintenance requirements. The primary goal of the Rotating Scraper System is to help with the desludging and descuming of circular settlement tanks. The bridge scraper system rotates about a central pivot and its outer end is fitted with an end carriage which carries the bridge drive and wheel assemblies. A series of trailing scrapers remove the settled sludge from the tank floor. The scrapers are arranged to form a continuous volute (spiral) or chevron pattern to ensure that sludge is directed towards a central hopper in the tank floor. The inflow is normally at one side of the tank, with the settled suspended solids (Settled Sludge) leaving through the bottom of the tank and the surface scum (Floating Organic Matter) leaving at the top. As the Suspended Solids Settle, the bottom scraper blade, moves the settled sludge to the central core of the tank, from here the sludge is pumped away for further treatment. The Surface Scum is also being collected by the surface scraper, this is also pumped away for further treatment.