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GN Solids America LLC
Tel:+1 (713) 320-3868
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Add:6710 Windfern Road, Houston, TX 77040,USA
Dewatering Screw Press
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Description
GN screw press sludge dewatering machine is a kind of economic and environmental friendly sludge dewatering equipment. It is a new type of sludge extrusion dewatering equipment by using the principle of screw extrusion, through the strong squeezing force generated by the change of screw diameter and screw pitch, and the tiny gap between the floating ring and the fixed ring, to realize solid-liquid separation. GN dewatering screw press is composed of fully automatic control cabinet, flocculation modulation box, sludge thickening and dewatering device, and liquid collecting tank. GN dewatering screw press is with automatic control technology, which can realize the flocculation fully automatic operation, and continuously complete the sludge thickening and squeezing, finally return or discharge the collected filtrate liquid.
GN screw press dewatering machine is widely used in sewage treatment projects of municipal, aquaculture, food, starch, oil, pharmaceutical, chemical, paper, leather and other industries
GN Screw Press Dewatering Machine Technical Parameter (for Configuration)
Model DS Standard Capacity
(Absolute Dry Sludge）Capacity for Sludge with Different Concentration 10000mg/L 20000mg/L 30000mg/L 40000mg/L 50000mg/L GNDL101 5～7 kg/h ～0.5m³/h ～0.25m³/h ～0.2m³/h ～0.15m³/h ～0.14m³/h GNDL201 15～20 kg/h ～1.5m³/h ～0.75m³/h ～0.6m³/h ～0.5m³/h ～0.4m³/h GNDL202 30～40 kg/h ～3m³/h ～1.5m³/h ～1.2m³/h ～1m³/h ～0.8m³/h GNDL203 45～60 kg/h ～4.5m³/h ～2.25m³/h ～1.8m³/h ～1.5m³/h ～1.2m³/h GNDL301 50～70 kg/h ～5m³/h ～2.5m³/h ～2m³/h ～1.5m³/h ～1.4m³/h GNDL302 100～140 kg/h ～10m³/h ～5m³/h ～4m³/h ～3m³/h ～2.8m³/h GNDL303 150～210 kg/h ～15m³/h ～7.5m³/h ～6m³/h ～4.5m³/h ～4.2m³/h GNDL304 200～280 kg/h ～20m³/h ～10m³/h ～8m³/h ～6m³/h ～5.6m³/h GNDL401 130～160 kg/h ～13m³/h ～6.5m³/h ～5m³/h ～4m³/h ～3.2m³/h GNDL402 260～320 kg/h ～26m³/h ～13m³/h ～10m³/h ～8m³/h ～6.4m³/h GNDL403 390～480 kg/h ～39m³/h ～19.5m³/h ～15m³/h ～12m³/h ～9.6m³/h GNDL404 520～640 kg/h ～52m³/h ～26m³/h ～20m³/h ～16m³/h ～12.8m³/h GN Screw Press Dewatering Machine Technical Parameter (for Capacity)
Model Screw Diameter Screw Qty Screw Power Agitator Power Flushing Pressure Flushing Water
(L/H)Weight(KG) GNDL101 100mm 1 0.18KW 0.18KW 0.1Mpa-0.2Mpa(No high pressure flushing device is required） 24 220 GNDL201 200mm 1 0.37KW 0.18KW 32 420 GNDL202 2 0.74KW 0.55KW 64 550 GNDL203 3 1.11KW 0.55KW 96 700 GNDL301 300mm 1 0.75KW 0.55KW 40 900 GNDL302 2 1.5KW 0.75KW 80 1400 GNDL303 3 2.25KW 1.1KW 120 1900 GNDL304 4 3KW 1.1KW 160 2500 GNDL401 400 1 1.5KW 1.1KW 80 2200 GNDL402 2 3KW 1.5KW 160 3500 GNDL403 3 4.5KW 2x1.1KW 240 5500 GNDL404 4 6KW 2x1.1KW 320 7000 Features of Screw Press Dewatering Machine
- The main body of the screw press sludge dewatering machine is a filtration device composed of fixed ring and moving ring, in which the screw axis runs through. The front section is for concentration and the back section for dewatering.
- The filtering gap formed between the fixed ring and the moving ring of the dewatering screw press and the pitch of the screw axis gradually decreased from the concentration section to the dewatering section.
- The rotation of the screw press shaft not only pushes the sludge from the concentration section to the dewatering section, but also continuously drives the moving ring to clean the filtering gap to prevent clogging.
- After gravity concentration in the concentration section, sludge is transported to the dewatering section. In the process of advance, with the gradual decrease of filtering gap and screw pitch, and the blocking effect of back pressure plate, a great internal pressure is generated; leading the volume is constantly reduced, so as to achieve the purpose of full dewatering.
- Dewatering screw press is generally applicable to sludge concentration of 2000mg / L-50000mg / L
Comparison of Different Types Sludge Dewatering Machine
Type Screw Press Filter Press Decanter Centrifuge Images 
Energy Consumption Low Moderate High Labor Intensity Low High Low Footprint Low High Low Automation Degree High Low High Investment Low High High Sludge Moisture Content High Low Moderate Operating Cost Low Moderate Moderate Capacity Low High High Capacity for Oily Sludge Moderate Low High Â
GN has a complete range of sludge dewatering equipment. Clients can choose the best sludge dewatering equipment according to different sewage treatment targets and investment budgets. In addition, GN can also provide integrated mobile sludge dewatering solution according to customer requirements.
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