Filter Press Dewatering Units

Filter Press Dewatering Units
Filter Press Dewatering Units
Filter Press Dewatering Units
Filter Press Dewatering Units
Filter Press Dewatering Units
Filter Press Dewatering Units
Filter Press Dewatering Units
Filter Press Dewatering Units

Overview

Filter Presses are employed to dewater sludge and generate a sludge cake of small volume, making it easier to transport. The slurry to be dewatered is introduced into the system through sludge pumps, and as each chamber fills with the slurry, the filter press plates’ fabric filters filtrate it. The feeding process is carried out synchronously. During the filtration cycle, some fine particles may initially pass through the pores, but larger particles then create a layer that reduces the fabric filters’ effective openings, forming a “sludge cake” that aids in capturing finer particles. The water that has been filtered passes through the equipment. The filter press plates are opened, and the sludge cake that has accumulated between them is discharged from the system. To achieve a higher dewatering ratio, cationic polyelectrolyte solution can be dosed with dosing pumps.
Filter Presses mainly consist of following parts;
Frame: Filtration forces caused by pressure increase between filter plates and reaction of
hydraulic unit to balance these forces are met by robust frame construction. In general, frame
is made of welded steel construction. Side bars on which filter plates slide in two directions are
manufactured from stainless steel. Parts in contact with water are coated with epoxy paint.
Filter plates: In standard applications, filter plates are centrally fed and side discharge type with
polypropylene material. Plates with different material and cake thicknesses are available on request.
Filter clothes: They are worn on filter plates and used for filtering of
slurry. Filter cloth selection depends on sludge to be filtered.
Discharge and cleaning mechanism: Filter presses can be equipped with additional units to
dewater different sludge types and to fulfill various filtration requirements. In filter presses
which have more than 15 plates and 500×500 mm or bigger plate sizes, plate opening and
shifting can be automatically operated by a shifting device. Operation is started with a
button push and continuous automatically. According to the sludge type, filter presses which
have less than 15 plates can be equipped with plate vibrating system for cleaning

Key Benefits & Features

Features
Commonly used equipment due to
robust and durable construction
• Reliable and trouble-free operation
• Efficient and economical solution
for sludge dewatering
• Fine filtration provided under high pressure
• High solid matter content in sludge cake
• Sustainable operation ability
• Automatic washing system for filter clothes
• Low operation and maintenance cost
• Low energy consumed
Specifications
Working pressure 4-8-16 bar
Plate width 400-500-630-800-1000-1200-1500-2000 mm
Plate height 400-500-630-800-1000-1200-1500-2000 mm
Sludge cake thickness 25-32-40-50 mm

1 Frame Carbon steel or stainless steel grade, AISI304,
AISI304L, AISI316, AISI316L, AISI316Ti
2 Filter plates Polypropylene
3 Filter cloth Polyethylene, polypropylene, polyamide, polyester
4 Filtrate tray Carbon steel or stainless steel grade, AISI304,
AISI304L, AISI316, AISI316L, AISI316Ti
5 Drip tray Carbon steel or stainless steel grade, AISI304,
AISI304L, AISI316, AISI316L, AISI316Ti
6 Cloth washing system Carbon steel or stainless steel grade, AISI304,
AISI304L, AISI316, AISI316L, AISI316Ti
7 Drive unit -according to norm of manufacturer
8 Fasteners 8.8, A2, A4

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