AUTOMATIC WATER-EXCHANGING SYSTEM COMPOSED OF A WATER TANK AND A CONTAINER HAVING A DRAINING APERTURE ALLOWING THE AUTOMATIC WATER REPLACEMENT

摘要

Novelty: an automatic water-exchanging system composed of a water tank and a container having a draining aperture allowing the automatic water replacement is disclosed. Constitution: the tight tank 1 provided with rims 3 and top notches 4 enabling its fitting to the external container 5; an opening 6 serving for the discharge of the dirty water which will be replaced by clean water conducted through the water supply tube 2 to the aforementioned container 5; a draining opening 7 ending -through the draining tube 8- to the sewage system. The water supply tube 2 is directed under angle to the proximity of the bottom of the tight tank 1 so that whirlpool conditions can be created to assist the better cleaning of the tank. Purpose: to rapidly replace dirty water with clean one, with no human intervention. Embodiment: in cattle breeding and floriculture domain.