The VALID process > Controlled Ventilation

ill-aeration

Air regulation system

Ventilation is achieved thanks to a blower that can force air back or suck it up (two directions of rotation) into drains (stainless steel or PVC) pierced with holes.

In order to ensure homogeneous ventilation for all the matter, a programmable controller regulates pressure and air flow so as to prevent air from creating preferred ways within the silo.

 

Temperature sensors placed in the silo activates the blowers. They are calibrated by the reference standards entered in the software. The latter regulates the volume, the duration and the intensity of the forced ventilation.

The size of the ventilation system depends on the characteristics of waste.

 
AERATION 2 AERATION 1 AERATION 3 AERATION 4
 

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