| 摘要 |
A wall cleaning apparatus comprising a brush plate (1) having at the center thereof a suction opening (2), bristles, and brush blades or brush strips that rotate centripetally, a water spraying mechanism consisting of a clean water input pipe (51), a water pump (53), and a nozzle (54), and a wastewater collecting mechanism consisting of, provided on the periphery of an impeller (4), a wastewater collecting groove (61) and a wastewater discharge pipe (62). The suction opening (2) is in direct communication with an air inlet of the impeller (4) via a suction channel (3). Wastewater is drawn into the suction opening (2) by a negative pressure produced by the impeller (4) and is collected by the wastewater collecting mechanism. |
