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    Straw Teknologi

Dust Extraction

The Cormall dust extraction unit type DE is suitable for effective cleaning
of chopped straw.

With a Cormall dust extraction unit is it possible to chop straw compatible 
with the enviroment. Straw dust is unhealthy for human beings and animals.

Chopped straw, which has been cleaned is very suitable af a bedding material 
and applications are also to be found within the industrial sector. Cormall dust 
extraction unit can be fitted almost anywhere, and is a construction which saves 
built-in height.

The dust extraction unit has a replaceable dust screen.
As extra equitment, a range of dust screens is available for diffenrent  extraction 


The dust extraction unit consists of a ø 500/600 mm auger driven by a 3-5 kW
gearmotor. The straw falls into the auger and is converyed towards the outlet.
On its way, it passes a screen area. Through the screen dust,  sand and 
silo particles are sucked/falling away by a smaler fan.

It can clean up to 7m3/min.



 DSCN9406 225x150

Dust screens

The following replaceable dust screens can be delivered:                                      

The screen size determines the extraction grad.


Code no.

Dust Screen ø 2,0 mm


Dust Screen ø 2,5 mm


Dust Screen ø 3,0 mm


Dust Screen ø 3,5 mm




When the dust extraction unit is adapted to a plant or in conjuction with a straw shredder and blower, the control box must be converted so, that it starts before the shredder.

The dust extraction unit is supplied without cyclone, filter arrangement and fittings.


Data Sheet