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Shaftless Screw  
 
Shaftless Screw

Shaftless screw has the advantage in the non-clogging property.  The shaftless design enables conveying dry, wet, viscous, adhesive, dusty or even abrasive material successfully.  The system works under a closed lids, so there shall be no problems of dust, spills, or mal-odor.  The screw can be made from special high tensile strength or stainless steel.

Waste Handling
Industrial Handling
Screenings & Sludge
Hospital wastes
Slaughter house refuse
Pulp & paper wastes
Metal Chips
Ashes
All type of food processing
Plastic granulate
Chemicals and powder materials
Pharmaceuticals industries
Wood chips & Saw Dust
Solid Fuel

 

Screw Size
Trough Width mm.
Screw Diameter
Q, m3/hr
200
200
160
2.4
260
260
215
5.5
320
320
280
8.7
360
360
315
11.6
Flow in m3/hr, based in 36% trough fill and 30 rpm

Model GS is designed for washing and dewatering the grit while lifting it from hopper to a higher point of discharge.  The influent shall be pumped into the classifier through piping positioned over the triangular hopper.  The inclined grit screw conveyor washes and dewaters the grit while lifting it from the hopper to a higher point of discharge.

 
Model GS260
Model GS320
 Flow capacity, m3/hr
20-50
50-75
 Tank Surface, m2
2.3
3.0
 Tank Volume, m3
1.2
1.8
 Power, kW
0.55
0.75

Model CY is an all purposes conveyor.  The intake points as well as discharge ends can be made as many as required.  The U-trough also works in inclination of up to 40 degree.   In standard version, the conveyors are fitted with single spirals. For large quantities or steep inclination, the spiral blade height is increased by helical shaped inserts.

Type
Capacity, m3/hr
Drive motor power,kW

a = o degree
L = m
n = 10 rpm

a = 25 degree,
L = 5 m
n = 30 rpm
a = o degree
L =5 m
n = 10 rpm
a = 25 degree
L = 5 m
n = 30 rpm
CY200
1.0
1.0
0.75
1.1
CY260
2.4
2.5
1.1
1.5
CY320
5.5
5.5
2.2
3.0
CY360
6.9
8.0
3.0
3.0

Model CP is designed for washing dewatering and compacting the trash while lifting it to a higher point of discharge.  The spiral does not extend the full length of the compactor.  The end of the spiral is enclosed with a sieve basket.  This sieve basket serves as a compaction zone.  The end flap valve is spring-tensioned and can be varied to adjust compaction degree.

Model
Screw Diameter

Channel
Width

Flow,m3/hr,max. water level 460 mm.
Filtration
Conveying
Slot 1.0
Slot 1.5
Slot 2.0
CP 260
215
215
300
36
45
54
CP 320
320
215
400
80
100
120
CP 360
360
215
500
144
167
190

 

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