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Product List

Volute dewatering screw press

Home 〉Product 〉Sludge treatment unit 〉

Introduction

Specifcations:

Dimension: Customized

Capacity:6-600kg DS/h

Material:SS304 or SS316

Motor:First-class motor, Nord or SEW is optional

Description

wps44

Dewatering screw press is used for efficient thickening and dewatering of sludge waters. Sludge waters are water, containing certain amount of suspended solids, these can be product of waste water treatment, food proccessing industry, chemical industry and other branches of human activity. Our dewatering screw press, which serves to thicken sludge water to 20% dry-matter content on municipal sludges and more for mineral/industrial sludges, can provide efficient desludging. In terms of quality, this equipment surpasses traditional sedimentation sludge removal and other technologies.

This dewatering/thickening screw press has been designed to be used primarily in wastewater treatment plants, but can also be used for thickening both industrial water and wastewater in food-processing operations

If a dewatering press is already incorporated into the new WWTP design, costs related to the construction of sedimentation tanks are eliminated as this equipment can also be used for thickening secondary sludge directly from activation.

Principle:

Gravity zone: When the shaft is driven by the screw, moving rings around the shaft move up and down relatively. Most water is pressed out from the thickening zone and fall down to the filtrate tank for gravity.

Pressure zone: The thickened sludge moves forward continuously from the gravity zone towards the pressure zone. With the pitch of the screw shaft thread getting narrower and narrower, the pressure in the filter chamber increases higher and higher.

In addition to the pressure generated by the back-pressure plate, the sludge is greatly pressed and dryer sludge cakes produce.

wps42

Structure:

wps43

Applications

Dewatering screw press could be used in the treatment of industrial wastewater, surface water, reused water, drinking water plant and Municipal Wastewater Treatment Plant.

Technical parameters

Main Specifications
Design Parameter	Capability	10-480kgds/h
	Total Power	0.36-6kw
	Protection Grade	Protection Grade: IP55 Insulation Grade: F
	Power Supply	According to actual usage
	Output Moisture Content	75-85%
	Polymer Feeding Rate	DS 0.2~1%
Screw Body	Quantity	1-3
Screw Body	Material	Plate: SUS304 Screw Shaft: SUS304
Flocculation Mixing tank	Volume	40-1500L
Flocculation Mixing tank	Material	SUS304
Components Brand	Screw Reducer	GUOMAO/SEW/NORD
	Mixing Reducer	GUOMAO/SEW/NORD
	Liquid Level Switch	Omron
	Solenoid Valve	ASCO
	Frequency converter	Schneider

Model	Dry Solids Capacity	Dimension			Weight		Motor Power
	(Kg-DS/hr)	(mm)			(Kg)		(Kw)
		(L)	(W)	(H)	Net	Operating	Total
BWSP-131	6-10	1860	740	1075	185	310	0.2
BWSP-132	12-20	1960	870	1075	350	480	0.3
BWSP-201	9-15	2650	750	1380	420	540	0.74
BWSP-202	18-30	2650	940	1380	550	660	1.11
BWSP-203	27-45	2650	1190	1380	700	1010	1.48
BWSP-301	50-70	3200	1100	1600	775	1300	1.5
BWSP-302	60-100	3640	1260	1825	1350	2000	2.25
BWSP-303	90-150	3900	1620	1825	1900	2700	3
BWSP-304	120-200	3900	2040	1825	2500	3800	3.75
BWSP-351	60-120	3900	1260	2190	2210	3500	1.85
BWSP-352	120-240	4240	1620	2190	3400	5250	2.95
BWSP-353	180-360	4460	2040	2190	4850	6600	4.05
BWSP-354	240-480	4660	2650	2190	6100	7700	5.15
BWSP-401	90-150	4350	1020	2160	2200	4700	1.85
BWSP-402	180-300	4350	1550	2160	3500	5800	2.95
BWSP-403	270-450	4570	2100	2160	5500	6900	4.05
BWSP-404	360-600	4570	2650	2160	7000	9500	5.15