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GN Solids America LLC

Tel:+1 (713) 377-2984

Tel:+1 (713) 518-2368

Email: This email address is being protected from spambots. You need JavaScript enabled to view it.

Add:6710 Windfern Road, Houston, TX 77040,USA

 

Dewatering Screw Press

GN Dewatering Screw Press is one economical and environmental friendly sludge treating equipment. It is a sludge extrusion dewatering equipment, through the strong squeezing force generated as the change of screw diameter and screw pitch, and the tiny gap between the floating ring and the fixed ring, to achieve solid and liquid separation.
  • 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
    2000mg/L 10000mg/L 20000mg/L 30000mg/L 40000mg/L 50000mg/L
    GNDL131 4~14 kg/h ~2m³/h ~0.6m³/h ~0.5m³/h ~0.4m³/h ~0.3m³/h ~0.28m³/h
    GNDL201 8~20 kg/h ~4m³/h ~1.2m³/h ~0.75m³/h ~0.6m³/h ~0.5m³/h ~0.4m³/h
    GNDL202 16~40 kg/h ~8m³/h ~2.4m³/h ~1.5m³/h ~1.2m³/h ~1m³/h ~0.8m³/h
    GNDL301 20~70 kg/h ~10m³/h ~3m³/h ~2.5m³/h ~2m³/h ~1.5m³/h ~1.4m³/h
    GNDL302 40~140 kg/h ~20m³/h ~6m³/h ~5m³/h ~4m³/h ~3m³/h ~2.8m³/h
    GNDL303 60~210 kg/h ~30m³/h ~9m³/h ~7.5m³/h ~6m³/h ~4.5m³/h ~4.2m³/h
    GNDL401 67.5~160 kg/h ~33.7m³/h ~10m³/h ~6.5m³/h ~5m³/h ~4m³/h ~3.2m³/h
    GNDL402 135~320 kg/h ~67.5m³/h ~20m³/h ~13m³/h ~10m³/h ~8m³/h ~6.4m³/h
    GNDL403 200~480 kg/h ~100m³/h ~30m³/h ~19.5m³/h ~15m³/h ~12m³/h ~9.6m³/h
    GNDL404 266~640 kg/h ~133m³/h ~40m³/h ~26m³/h ~20m³/h ~16m³/h ~12.8m³/h
    The above specification and parameters for reference only.

    GN Screw Press Dewatering Machine Technical Parameter (for Capacity)

    Model Screw
    Diameter
    Screw
    Qty<
    Screw
    Power
    Agitator
    Power
    Total
    Power
    Flushing Pressure lushing Water
    (L/H)
    Weight
    (KG)
    GNDL131 130mm 1 0.2KW 0.2KW 0.4KW 0.1Mpa-0.2Mpa
    (No high pressure
    flushing device
    is required)
    20 205
    GNDL201 200mm 1 0.37KW 0.2KW 0.57KW 30 290
    GNDL202 2 0.74KW 0.2KW 0.94KW 30 470
    GNDL301 300mm 1 0.55KW 0.4KW 0.95KW 40 820
    GNDL302 2 1.1KW 0.55KW 1.65KW 80 1350
    GNDL303 3 1.65KW 0.55KW 2.2KW 120 1820
    GNDL401 400 1 1.1KW 0.55KW 1.65KW 70 1990
    GNDL402 2 3KW 0.75KW 3.75KW 140 3310
    GNDL403 3 4.5KW 1.1KW 5.6KW 210 4380
    GNDL404 4 6KW 0.75KWx2 7.5KW 280 6170
    The above specification and parameters for reference only.

    Features of Screw Press Dewatering Machine

    1. 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.
    2. 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.
    3. 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.
    4. 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.
    5. 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 Dewatering Screw Press22 Dewatering Screw Press33 Dewatering Screw Press11
    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

     

    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.

    Dewatering Screw Press44

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