Aspiration for hot rolling mill
RE-DEPURATION SYSTEMS AND DRY FILTRATION
INDUSTRIAL FANS – BLOWERS - TRANSPORTERS
POLLUTANT SUCTION SYSTEMS
ACID SUBSTANCES AND DIOXINS NEUTRALIZATION SYSTEMS
SUPERVISION AND 4.0 PLANTS MANAGEMENT
During lamination operations clouds form when rollers/material and coolant come into contact, and are sucked up using suitable capturing systems.
It is important to take into consideration the nature of sucked up flow: a mixture of vapours and ultra fine granulometry graphite powders, meaning they are difficult to capture.
Capturing systems involve the use of hoods/grasps (sometimes motorised), the aim is to get as close as possible to the area in which pollutant is developed. Pollutant is treated using a wet system consisting of a venturi with a variable ogive, managed by a differential pressure in line switch which detects any partial occlusions in any parts of the system. Washing water is stored in a tank on the ground and sent to the venturi using a centrifugal pump and hydraulic pipes with terminal nebulising nozzles.
Dry filters (panel) can also be used for special applications, with lower concentrations of vapour/dust.