Topic Automatic sewage collection, precipitation and offer of the appreciation fish service water vessel which has sewage discharge function.Solutions It can provide the beginning of irrigation tube and the slant face which correspond on both sides of top and cartridge head of the tank, the slant face both sides directs to the median and the sewage collection tube is provided in the part which is concentrated, making use of the uniform water flow of the beginning of irrigation tube both sides, excretory ones on the slant face both sides, the impurity shaves and is taken is discharged in the setting tank reaching up to the sewage collection tube. The feature as for first, the said setting tank having the sewage collection effect, the solenoid valve opens second, in fixed time and (the pumping motor halt) automatically the water in the setting tank and discharging the dirt, as for third, after the primary precipitation purifying of the setting tank, does the secondary physical purification for the second time with the sponge, when the solenoid valve closes thing and the four squares which do the third bio purification lastly with the bio ball vessel, the pumping motor restarts, water level falls, the automatic water refilling is done this time, by the water refilling valveIt makes thing. Choice figure Drawing 3
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