| 简介 |
Water filtering initial rainwater the device relates to device, in particular inner screen (15) by clogging excellent rapid increase in the quantity of, earth and increasing dissolved excellent filtering difference 1 (10) and a, 2 by various excellent excellent filtering difference filtering tank (20) related to the, said excellent filtering tank (20) inside the rectifying plate (35) to left and right by a in excellent left by dividing the specific gravity smaller fine particles for upflow swash plate (32) separated from the needle company crisis trillion processing (30), on the right side central partition (45) again by means of an number 1, 2 compartment (41) (42) over [...] over rectifying by partitioning inlet, a second inlet, and rainwater internal filtration material (55) a lower on solid passing the printer comprising a filter tank through the filtering of contaminants (50), filtration bath inlet, a second inlet, and in an area of the shingle goes underneath at upper rainwater level nitrate-nitrogen can be nitrogen ammonic passing the printer due to convertion to aerates the nitrate (60) and a nitrate-nitrogen is removed through subjecting it reduced to nitrogen gas for the denitrification tank and thereby (65) to provide the filtered signal to a the compiles, compact structure and a plurality of the filtration step by included in the roof side rail for, the earth-and-sand, fine particles, and so forth such as solid pollution material or dissolved contaminants such as nitrogen used to filter a processing moved out of the body, enabling excellent filtration efficiency is connected to the semiconductor layer. thereof. |
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