The apparatus of treating rainwater for drain type

摘要

Disclosed is a drain type apparatus of treating initial rainwater, which is a nonpoint pollution treatment facility installed in a water collection port a road and of a bridge, wherein a medium container and a screen are installed to remove an adulteration and a floating and dissolved material at the same time, and a simple structure is introduced to easily replace and maintain a medium. Moreover, constructability is great, and an installation cost is inexpensive, According to the present invention, the drain type apparatus of treating initial rainwater comprises: a medium container installed in a water collection port of a road and of a bridge to filter a pollutant, wherein a filter material is inserted, and a drainage hole is drilled on a lower surface; a screen arranged in an upper portion of the medium container, and filtering an adulteration of initial rainwater; and a grating embedded in an upper portion of the water collection port of the road and of the bridge, arranged in an upper portion of the screen, and having a grid piece therein.