This GDDL series screw press dewatering machine is core core finishing unit of Complete sludge treatment equipment and key constituent of complete Integrated sludge dewatering system, essential core host of Full set municipal sludge processing machine and mainstream model of professional Industrial sludge thickening & dewatering equipment, perfectly matched with upstream Automatic sludge dosing & conveying unit for flocculant mixing and continuous sludge volume reduction. Covering GDDL101~GDDL404 full specification range, it adopts screw extrusion and fixed/moving ring clearance filtration principle to reduce raw sludge moisture from around 98% down to approx 85% for subsequent sludge disposal.
Specification series: GDDL101~GDDL404; Single unit processing capacity Q:1~40m³/h; Inlet raw sludge moisture: around 98%; Discharged dewatered cake moisture: around 85%; Recommended PAM dosing ratio vs dry solid:0.2%~1%; Core function: mechanical extrusion dewatering for sludge volume reduction; Main composition: screw main body, drive assembly, filter ring set, flocculation mixing system and machine frame; Control configuration: integrated electric cabinet supporting manual/automatic mode, centralized power supply & fault alarming for sludge feeder, chemical dosing pump and dewatering host; Working flow: raw sludge lifted into mixing tank, quantitative PAM added for full flocculation, qualified floc flows into screw host for progressive extrusion dewatering, filtrate drains via ring gap while solid cake discharges from terminal outlet.
Custom non-standard flow beyond 1~40m³/h range by combining multi-unit parallel layout for large-scale Complete sludge treatment equipment and Integrated sludge dewatering system; adjust screw pitch and ring clearance to optimize final cake moisture matching downstream disposal requirement of Full set municipal sludge processing machine; modify integrated dosing cabinet program to realize synchronous linkage with feeding parameters of upstream Automatic sludge dosing & conveying unit; upgrade anti-corrosion material of screw shaft and filter rings for high corrosive industrial sludge to extend service life of customized Industrial sludge thickening & dewatering equipment; configure multi-set centralized PLC control for full automatic whole-line linkage of complete sludge treatment plant.
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