| 摘要 |
Detergents vending machines comprising: a first water inlet pipe (10) connected to a compensation tank (14); the outlet of said compensation tank (14) is connected to a pump (21) to increase the water pressure to at least 2 bar; the outlet of said pump (21) being connected to a first activated carbon and resin filter (25); at least one container (32) of a concentrated detergent; a Venturi effect mixer (31) having a first inlet (40) and an outlet (42) aligned with each other along an axis and a second inlet (41) transverse to said axis; the outlet of said first filter (25) is connected to said first inlet of said mixer (31); the outlet of said at least one container (32), of a concentrated detergent, is connected to said second inlet (41) of said mixer (31), so that the detergent is sucked from said at least one container (32); said second inlet (41) comprises an interchangeable nozzle (43), having a predetermined inner diameter, so as to dose the correct amount of detergent; the outlet (42) of said mixer (31) provides detergent mixed with water, to a conveyor (34). |
