Two basin downcomers

The utility model discloses a two basin downcomers, including the three-way pipe, the straight portion of L type pipe is connected respectively as drainage interface connection drain pipe, the both sides end of three-way pipe in the bottom of three-way pipe, and the turn of bilge of L type pipe passes through the water end (W. E. ) of threaded connection U type pipe, hydrophone delivery port under two basins of two basins is connected respectively to the income water end (W. E. ) of two U types pipe, the fixed baffle that is provided with in inner chamber top of three-way pipe. The utility model discloses in the use, the bottom of two U types pipe can form the water seal, and this water seal lies in under the basin hydrophone under just, can thoroughly solve because offal pipe wall scaling and smelly excessive problem the utility model discloses the baffle is provided with between two grooves, the phenomenon of overflowing to another groove can be prevents to return when the groove from turning on the water