MODULO DI RISCIACQUO MULTISTADIO PERFEZIONATO PER MACCHINE LAVASTOVIGLIE A TUNNEL, E MACCHINA LAVASTOVIGLIE A TUNNEL DOTATA DI TALE MODULO

Multistage rinsing module (10) for tunnel dishwashers (100) of the type comprising in succession from upstream to downstream following the movement of the dishes three independent zones, respectively: - a draining zone (11) of the dishes full of detergent supplied in said module (10), - a pre-rinsing zone (12) of said drained dishes, - a final rinsing zone (13) of said drained and pre-rinsed dishes; wherein - said final rinsing zone (13) being provided with rinsing nozzles (14) for delivering net water (15); - said pre-rinsing zone (12) being provided with pre-rinsing nozzles (16) for delivering a pre-rinsing solution (17); said pre-rinsing solution (17) consisting exclusively of the net water (15) delivered by said rinsing nozzles (14) and the substances removed from the dishes; - said draining zone (11) being provided with draining nozzles (19) for delivering the draining solution (20); said draining solution (21) consisting exclusively of the pre-rinsing solution (17) delivered by said pre-rinsing nozzles (16) and the substances removed from the dishes; said draining nozzles (19) being configured so as to deliver said draining solution (20) at a flow-rate and a speed that are greater with respect to the pre-rinsing solution (17) and to the net water (15) delivered by said pre-rinsing nozzles (16) and by said rinsing nozzles (14).