Screw Sludge Dewatering Machine (131 Specifications)

Screw Sludge Dewatering Machine (131 Specifications)

The Model 131 Screw Sludge Dewatering Machine is designed for small-scale wastewater treatment applications, offering reliable performance and efficient dewatering.
Constructed with high-quality stainless steel (SS304), the machine ensures durability, corrosion resistance, and stable operation.
It features stacked screw technology, automated flocculation, and low energy consumption, making it suitable for industrial and municipal sludge management.

Operating Environment

  • Temperature: -10°C ~ +40°C (no freezing)

  • Humidity: Max 90% RH, non-condensing

  • Altitude: Below 1200 m above sea level

  • Indoor Installation: Recommended for indoor use only

  • Setup: Follow specification drawings for installation

Description

Screw Sludge Dewatering Machine – Model 131

Product Overview

Technical Specifications

Specification Details
Machine Size W2400 × W700 × H1300 mm
Total Power 1.12 kW
Processing Capacity DS 6–12 kg/h
Sludge Concentration 5000–50,000 mg/L
Sludge Intake 0.3–1.2 m³/h
Maximum Dosage 90 L/h
Power Supply Main: 1φ 380V/50Hz, Control: 1φ 220V/50Hz
Water Supply Pressure 0.1–0.2 MPa
Net Weight / Running Weight 205 kg / 300 kg
Automation 1φ 220V/50Hz Automatic Control

Stacked Screw Body

Component Specification / Material
Screw Body Size Φ100 × 900 mm (effective filtration length)
Quantity 1
Ring Plate Thickness 2.75 mm – SS304
Processing Method Laser cutting with nitrogen protection
Bracket Plates 6 mm – SS304, laser cut
Gasket 3.0 mm – SS304
Spindle Φ100 – SS304, overlay welded with
high-strength alloy
Connecting Rods Φ12 × 4 groups – SS304

Motors & Drive System

Component Model / Specification
Multiplying Screw Motor RV75 – IP54 waterproof, 0.75 kW, 2–10 r/min
Flocculation Mixer Motor RV50 – IP54 waterproof, 0.37 kW

Flocculation Mixing Tank

Specification Details
Tank Size 400 × 400 × 600 mm
Capacity Approx. 100 L
Material Stainless Steel 304

Structural & Control Components

Component Specification
Frame / Racks SS201+ riveted type
Control Cabinet W500 × H600 × D250 mm, Carbon Steel
(sprayed) / SS201
Control Switches Spindle, stirring, sludge pump, dosing pump
switches
Frequency Converter Hiruida

Inlet & Outlet Connections

Port Size / Material
Sludge Inlet DN40 inner thread
Chemical Delivery Port DN20 PVC direct
Filtrate Outlet DN65 inner thread
Water Outlet DN20
Reflux Port DN80 direct
Mixing Tank Drain DN40 inner thread

Main Component Materials & Key Parts

No. Component Material Manufacturer / Brand
1 Fixation Rings SS304
2 Pleasure Rings SS304
3 Screw Shaft SS201
4 Filtrate Bath SS201
5 Mixing Tank SS304
6 Stirring Shaft & Blades SS304
7 Motor Support Seat SS304
8 Mud Inlet Pipe SS304
9 Support Plates SS304
10 Rinse System SS304
11 Stacked Screw Reducer Finished Product Shao Hui
12 Stirring Shaft Reducer Finished Product Shao Hui
13 Multi-Screw Motor Finished Product Shao Hui
14 Stirring Shaft Motor Finished Product Shao Hui
15 Electrical Components Finished Product CHINT

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