Industrial and Municipal Sludge Dewatering Equipment

What is MDS?

The Multi disc screw press (“MDS” for short.)  is a screw press that separates liquids from solids. it can be used in place of a belt press, decanter, or filter press. It is a simple, slow-moving device that accomplishes dewatering by continuous gravitational drainage. 

MDS-Working-Principle

Flocculation

The sludge and the dissoved polymer solution will be feeded into the flocculation tank to stirring and mixing, then the floc will be formed, and then flow into the screw cylinder

MDS-Working principle-Concentration

Concentration

The floc internal the screw cylinder will be concentrated by the rotating screw shaft and the moving rings and fixed rings as a filter, the filtrate will be collected.

MDS Working principle-dewatering

Dewatering

The sludge is continuously squeezed by the combined action of the screw shaft, the moving rings, fixed rings, and the end plate, finally discharged through the sludge cake outlet.

How Does The MDS Work?

The MDS BOM

Multi disc screw press structure
1.Sludge Cake Outlet
2.Screw Shaft Motor
3.Screw chamber
4.Screw Cylinder
5.Spray Nozzle
6.Floc Entering Hose
7.Spray Nozzle
8.Stirrer Assy
9.Stirrer Tank
10.PLC & HMI
11.Flocculant Tank
12.Nameplate Holder
13.Solenoid Valve
14.Manual Cleaning Pipe
15.Filtrate Collect Tank
K1.Sludge Feeding Inlet
K2.Overflow Outlet
K3.Polymer Solution Inlet
K4.Drainage Outlet
K5.Tap Water Inlet(Cleaning)
K6.Filtrate Outlet

How to Select the MDS

4 Series & 17 Models Available

MDS131

Single Volute
6-12 KG DS/h
  • Flow Rate:0.2-0.5m³/h
  • Power: 0.36KW
  • Voltage: 380VAC/50Hz
  • Control Mode: PLC& HMI
  • Motor:GM/SEW/NORD
  • Shaft Size:φ120*1135mm
  • Size:1870*730*1170mm
  • Net Weight: 250KGS

MDS251

Single Volute
15-35 KG DS/h
  • Flow Rate:0.6-1.5m³/h
  • Power: 0.92KW
  • Voltage: 380VAC/50Hz
  • Control Mode: PLC& HMI
  • Motor:GM/SEW/NORD
  • Shaft Size:φ200*1700mm
  • Size:2690*880*1600mm
  • Net Weight:500KGS

MDS301

Single Volute
50-70 KG DS/h
  • Flow Rate:1.2-3m³/h
  • Power: 1.30KW
  • Voltage: 380VAC/50Hz
  • Control Mode: PLC& HMI
  • Motor:GM/SEW/NORD
  • Shaft Size:φ250*2160mm
  • Size:3310*1000*1700mm
  • Net Weight:750KGS
Popular

MDS351

Single Volute
50-120 KG DS/h
  • Flow Rate:2-5m³/h
  • Power: 1.85KW
  • Voltage: 380VAC/50Hz
  • Control Mode: PLC& HMI
  • Motor:GM/SEW/NORD
  • Shaft Size:φ300*2411mm
  • Size:3610*1100*1850mm
  • Net Weight: 1150KGS
Popular

MDS401

Single Volute
80-180 KG DS/h
  • Flow Rate:3.2-8m³/h
  • Power: 3.0KW
  • Voltage: 380VAC/50Hz
  • Control Mode: PLC& HMI
  • Motor:GM/SEW/NORD
  • Shaft Size:φ350*3022mm
  • Size:4550*1180*2250mm
  • Net Weight:2050KGS

MDS132

Double Volutes
12-24 KG DS/H
  • Flow Rate:0.4-1m³/h
  • Power: 0.54KW
  • Voltage: 380VAC/50Hz
  • Control Mode: PLC& HMI
  • Motor:GM/SEW/NORD
  • Shaft size:φ120*1135mm
  • Size:2000*960*1230mm
  • Net Weight: 350KGS

MDS252

Double Volutes
30-70 KG DS/H
  • Flow Rate:1.2-3m³/h
  • Power: 1.47KW
  • Voltage: 380VAC/50Hz
  • Control Mode: PLC& HMI
  • Motor:GM/SEW/NORD
  • Shaft Size:φ200*1700mm
  • Size:2810*1120*1600mm
  • Net Weight:800KGS

MDS302

Double Volutes
60-140 KG DS/H
  • Flow Rate:2.4-6m³/h
  • Power: 2.05KW
  • Voltage: 380VAC/50Hz
  • Control Mode: PLC& HMI
  • Motor:GM/SEW/NORD
  • Shaft Size:φ250*2160mm
  • Size:3500*1300*1700mm
  • Net Weight:1340KGS
Popular

MDS352

Double Volutes
100-240 KGS/H
  • Flow Rate:4-10m³/h
  • Power: 2.95KW
  • Voltage: 380VAC/50Hz
  • Control Mode: PLC& HMI
  • Motor:GM/SEW/NORD
  • Shaft Size:φ300*2411mm
  • Size:3820*1490*1850mm
  • Net Weight: 1950KGS
Best Seller

MDS402

Double Volutes
160-360 KG DS/H
  • Flow Rate:6.4-16m³/h
  • Power: 4.5KW
  • Voltage: 380VAC/50Hz
  • Control Mode: PLC& HMI
  • Motor:GM/SEW/NORD
  • Shaft Size:φ350*3022mm
  • Size:4870*1710*2250mm
  • Net Weight:3850KGS

MDS253

Three Volutes
45-105 KG DS/H
  • Flow Rate:1.8-4.5m³/h
  • Power: 2.2KW
  • Voltage: 380VAC/50Hz
  • Control Mode: PLC& HMI
  • Motor:GM/SEW/NORD
  • Shaft Size: φ200*1700mm
  • Size:2810*1360*1600mm
  • Net Weight:1100KGS

MDS303

Three Volutes
90-210 KG DS/H
  • Flow Rate:3.6-9m³/h
  • Power: 3.0KW
  • Voltage: 380VAC/50Hz
  • Control Mode: PLC& HMI
  • Motor:GM/SEW/NORD
  • Shaft Size:φ250*2160mm
  • Size:3700*1650*1700mm
  • Net Weight:1750KGS
Popular

MDS353

Three Volutes
150-360 KG DS/H
  • Flow Rate:6-15m³/h
  • Power: 4.4KW
  • Voltage: 380VAC/50Hz
  • Control Mode: PLC& HMI
  • Motor:GM/SEW/NORD
  • Shaft Size:φ300*2411mm
  • Size:4120*1770*1850mm
  • Net Weight:2800KGS
Popular

MDS403

Three Volutes
240-540 KG DS/H
  • Flow Rate:9.6-24m³/h
  • Power: 7.5KW
  • Voltage: 380VAC/50Hz
  • Control Mode: PLC& HMI
  • Motor:GM/SEW/NORD
  • Shaft Size:φ350*3022mm
  • Size:4790*2550*2250mm
  • Net Weight:5400KGS

MDS304

Four Volutes
120-280 KG DS/H
  • Flow Rate:4.8-12m³/h
  • Power: 3.75KW
  • Voltage: 380VAC/50Hz
  • Control Mode: PLC& HMI
  • Motor:GM/SEW/NORD
  • Shaft Size:φ250*2160mm
  • Size:4000*2050*1750mm
  • Net Weight:1750KGS

MDS354

Four Volutes
200-480 KG DS/H
  • Flow Rate:8-20m³/h
  • Power: 5.90KW
  • Voltage: 380VAC/50Hz
  • Control Mode: PLC& HMI
  • Motor:GM/SEW/NORD
  • Shaft Size:φ300*2411mm
  • Size:4320*2290*1850mm
  • Net Weight: 3700KGS

MDS404

Four Volutes
320-720 KG DS/H
  • Flow Rate:12.80-32m³/h
  • Power: 9.00KW
  • Voltage: 380VAC/50Hz
  • Control Mode: PLC& HMI
  • Motor:GM/SEW/NORD
  • Shaft Size:φ350*3022mm
  • Size:4840*3140*2250mm
  • Net Weight:7000KGS

How To Make the MDS

Sheet Metal Laser Cutting

Sheet Metal Laser Cutting

Screw chamber, fixed rings and moving rings laser cutting.

Frame and profile welding

Welding and Pre-Fitting

screw shaft, tank corners, mds frame welding and pre-fitting.

Control Panel making

Wiring

Control cabinet design, components assemble and wiring, HMI & PLC

Sheet Metal Bending

Sheet Metal Bending

Screw chamber, flocculant tank wall panel folding and bendding

Screw cylinder Assemble

Screw Cylinder Assembling

parts assemble to unit, especially screw cylinder formed by fixed rings, moving rings

MDS Trial Running

Tria Running

When the MDS completely assembled, and wired, will go through water to see if runns well

Why Choose MDS

Non-Clogging

Self-cleaning Non-clogging Compact and reasonable structure

Automatic Control

Fully automatic control by using FATEK HMI

Low Concentration

Low concentration sludge dewatering

Low Energy Consumption

Low energy consumption and no noise

Sludge Dewatering Filtering machine contrast
Polymer Saving
0 %
Footprint Saving
0 %
Running cost less than Filter press
0 %
Running cost less than decanter
0 %
Power Saving less than Decanter
0 %
Water Saving less than Filter Press
0.1 %

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Send us a message if you have any questions or request a quote. Our experts will give you a reply within 24 hours and help you select the right MDS you want.

SUQIEP Sales Team
SUQIEP-FACTORY-FRONT

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