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Sludge Dewatering Screw Press

HLDS Multi-disc Sludge Dewatering Screw Press belongs to the screw press, it’s clog-free and can reduce the sedimentation tank and sludge thickening tank, saving the cost of sewage plant construction. HLDS using screw and the moving rings to clean itself as clog-free structure, and controlled by the PLC automatically, it’s a new technology that can replace the traditional filter press like belt press and frame press, the screw speed is very low, so it cost low power and water consumption in contrast to the centrifuge, it is a cutting edge sluge dewatering machine.

  

Working Principle

The conditioned sludge flows into the filter zones from the flocculation tank and is pushed forward to the discharging end. With the gaps between the thread of the shaft is getting even narrower the pressure on the sludge is getting higher and higher. Than the water is separated from the sludge and flows out from the gaps between the moving rings and fixed rings. The movement of the moving rings will clean the gaps between moving and fixed rings and prevent the machine from blockage ..
The filtered sludge cakes will be pushed forward by the finally discharged from the end.

Technology Advantages

Configurating exclusive spiral plate for pre-concentration and better for treating low concentration sludge.

Replacing gravity type dehydrator to realize efficient concentration of sludge.

Flocculation and concentration operating together makes dewatering easy.

Optimize concentration of slurry for dewatering with solenoid control valve.

1. Rings substitute filter cloth, self cleaning, no clogging, easy treatment .

The dewatering screw press allows continuous operation with no clogging due to the moving of the fixed rings and moving rings cleaning it self. Therefore, it’s especially good at oily sludge with excellent performance. Moreover, it doesn’t need additional water for high-pressure cleaning so that no small or secondary pollution will be produced.

2. Low speed operation, low noise, low energy consumption, only 1/8 of the belt type, 1/20 of the centrifuge.

3. Reduce the cost of infrastructure investment, improved the result of treatment

4. Fully automatic control, easy operation and maintenance.

The dewatering screw press has no easy-blocking components like filter cloth or filtration pore inside.
Its operation is safe and easy. It also can be set to operate automatically via the elec-control cabinet.

Technical Parameters

Type

Raw Wastewater

Dissolved-air Sludge

Mixed Raw Sludge

Sludge concentration(TS)

0.2%

1.00%

2.00%

1.00%

3.00%

HLDS-131

~4kg-DS/h(~2.0m³/h)

~6kg-DS/h(~0.6m³/h)

~10kg-DS/h(~0.5m³/h)

~20kg-DS/h(~0.4m³/h)

~26kg-DS/h(~0.87m³/h)

HLDS-132

~8kg-DS/h(~4.0m³/h)

~12kg-DS/h(~1.2m³/h)

~20kg-DS/h(~1.0m³/h)

~40kg-DS/h(~0.5m³/h)

~52kg-DS/h(~1.73m³/h)

HLDS-133

~12kg-DS/h（~6.0m³/h)

~18kg-DS/h(~1.8m³/h)

~30kg-DS/h(~1.5m³/h)

~60kg-DS/h(~1.2m³/h)

~72kg-DS/h(~2.61m³/h)

HLDS-201

~8kg-DS/h（~4.0m³/h)

~12kg-DS/h(~1.2m³/h)

~20kg-DS/h(~1.0m³/h)

~40kg-DS/h(~0.8m³/h)

~52kg-DS/h(~1.73m³/h)

HLDS-202

~16kg-DS/h（~8.0m³/h)

~24kg-DS/h(~2.4m³/h)

~40kg-DS/h(~2.0m³/h)

~80kg-DS/h(~1.6m³/h)

~104kg-DS/h(~3.47m³/h)

HLDS-203

~24kg-DS/h（~12.0m³/h)

~36kg-DS/h(~3.6m³/h)

~60kg-DS/h(~3.0m³/h)

~120kg-DS/h(~2.4m³/h)

~156kg-DS/h(~5.20m³/h)

HLDS-301

~20kg-DS/h（~10.0m³/h)

~30kg-DS/h(~3.0m³/h)

~50kg-DS/h(~2.5m³/h)

~100kg-DS/h(~2.0m³/h)

~130kg-DS/h(~4.33m³/h)

HLDS-302

~40kg-DS/h（~20.0m³/h)

~60kg-DS/h(~6.0m³/h)

~100kg-DS/h(~5.0m³/h)

~200kg-DS/h(~4.0m³/h)

~260kg-DS/h(~8.67m³/h)

HLDS-303

~60kg-DS/h（~30.0m³/h)

~90kg-DS/h(~9.0m³/h)

~150kg-DS/h(~7.5m³/h)

~300kg-DS/h(~6.0m³/h)

~390kg-DS/h(~13.0m³/h)

HLDS-304

~80kg-DS/h（~40.0m³/h)

~120kg-DS/h(~12.0m³/h)

~200kg-DS/h(~10.0m³/h)

~400kg-DS/h(~8.0m³/h)

~520kg-DS/h(~17.3m³/h)

HLDS-351

~40kg-DS/h（~20.0m³/h)

~60kg-DS/h(~6.0m³/h)

~100kg-DS/h(~5.0m³/h)

~200kg-DS/h(~4.0m³/h)

~260kg-DS/h(~8.67m³/h)

HLDS-352

~80kg-DS/h（~40.0m³/h)

~120kg-DS/h(~12.0m³/h)

~200kg-DS/h(~10.0m³/h)

~400kg-DS/h(~8.0m³/h)

~520kg-DS/h(~17.3m³/h)

HLDS-353

~120kg-DS/h（~60.0m³/h)

~180kg-DS/h(~18.0m³/h)

~300kg-DS/h(~15.0m³/h)

~600kg-DS/h(~12.0m³/h)

~780kg-DS/h(~26.0m³/h)

HLDS-354

~160kg-DS/h（~80.0m³/h)

~240kg-DS/h(~24.0m³/h)

~400kg-DS/h(~20.0m³/h)

~800kg-DS/h(~16.0m³/h)

~1040kg-DS/h(~34.68m³/h)

HLDS-401

~70kg-DS/h（~35.0m³/h)

~100kg-DS/h(~10m³/h)

~170kg-DS/h(~8.5m³/h)

~340kg-DS/h(~6.5m³/h)

~442kg-DS/h(~16.0m³/h)

HLDS-402

~135kg-DS/h（~67.5m³/h)

~200kg-DS/h(~20.0m³/h)

~340kg-DS/h(~17.0m³/h)

~680kg-DS/h(~13.6m³/h)

~884kg-DS/h(~29.5m³/h)

HLDS-403

~200kg-DS/h（~100m³/h)

~300kg-DS/h(~30.0m³/h)

~510kg-DS/h(~25.5m³/h)

~1020kg-DS/h(~20.4m³/h)

~1326kg-DS/h(~44.2m³/h)

HLDS-404

~266kg-DS/h（~133m³/h)

~400kg-DS/h(~40.0m³/h)

~680kg-DS/h(~34.0m³/h)

~1360kg-DS/h(~27.2m³/h)

~1768kg-DS/h(~58.9m³/h)

Type

Discharge

height

Dimension

Weight(kg)

Total Power(kw)

Washing water

consumption(L/h)

L(mm)

W(mm)

H(mm)

Empty

Operation

HLDS-131

250

      1860     

750

1080

180

300

0.2

24

HLDS-132

250

1960

870

1080

250

425

0.3

48

HLDS-133

250

1960

920

1080

330

580

0.4

72

HLDS-201

350

2510

900

1300

320

470

1.1

32

HLDS-202

350

2560

1050

1300

470

730

1.65

64

HLDS-203

350

2610

1285

1300

650

1100

2.2

96

HLDS-301

495

3330

1005

1760

850

1320

1.3

40

HLDS-302

495

3530

1290

1760

1300

2130

2.05

80

HLDS-303

495

3680

1620

1760

1300

2130

2.05

80

HLDS-304

495

3830

2010

1760

1750

2880

2.8

120

HLDS-351

585

4005

1100

2130

1100

2210

1.3

72

HLDS-352

585

4390

1650

2130

1900

3400

2.05

144

HLDS-353

585

4520

1980

2130

2550

4850

2.8

216

HLDS-354

585

4750

2715

2130

3200

6100

3.55

288

HLDS-401

759

4680

1110

2100

1600

3400

2.8

80

HLDS-402

759

4960

1760

2100

2450

5200

3.7

160

HLDS-403

759

5010

2585

2100

3350

7050

4.8

240

HLDS-404

759

5160

3160

2100

4350

9660

5.9

320

Comparison

Applications

The Sludge Dewatering Screw Press can be widely used for various wastewater treatment systems such as municipal, petrochemical, chemical fiber, paper making, pharmaceutical, leather and other industrial water treatment system. Also it can be used for Dairy Farm Manure Treatment, Palm Oil Sludge, Septic Sludge, etc. The practical operation shows that Dewatering Screw Press can bring considerable economic and social benefits for users.

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