Water tube boiler for hot water production Andolfatto 1919
95°C

Model UNIBIN

The arrangement of the generator with respect to its position has been given the greatest importance in the design logic:
the left or right combustion chamber and the three different installation levels allow the designer to give attention to the particulars of the manual loading zone, even if today it is prohibited by the Italian norns.
The same inspection gate can be located on the side or on the front of the boiler as is necessary; with the smoke, leaving the generator, has three different solutions:
an underground passage, direct to the ventilator or else a vertical part of the generator and, or request, this can also act as a pre heater for the air thanks to the air space for the cooling of the smoke.
automatic grid with an Archimedes' screw can be combined with the same boiler, for chips or wet sawdust:
cleary, in this case , not only the internal oven must be modified, but also the ash discharge, which can be changed from manual to automatic with a transversal screw conveyor.
The cleaning of the generator is of great importance, not only to guarantee thermal exchange and thus efficiency , but also to keep the maintenance cost to a minimum.
The bundle of convection tubes is subvertical: special fireproofed septa delimit any smoke detours, decreasing easy drags in horizontal route boilers.

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