People's roofing exhaust pipe structure in formula of buryying

The utility model discloses a people's roofing exhaust pipe structure in formula of buryying, including set up discharge that waterproofing membrane layer and the level between the heat preservation in the roofing arranged with set up in the roofing with the communicating exhaust apparatus of discharge, exhaust apparatus includes blast pipe, sleeve pipe and floor drain apron, back and floor draincover connection in the finish coat of top to the roofing in are worn out to the sleeve pipe from the waterproofing membrane layer, the top of floor drain apron and the top parallel and level of finish coat, the middle part of blast pipe with discharge intercommunication, top and sleeve pipe seals and docking, end cap seal is passed through on the top of blast pipe, is equipped with one -way pneumatic valve on the end cover, and one -way pneumatic valve makes the gas can only to follow that the blast pipe flows in the sleeve pipe and can not reversed flow. The utility model discloses the functional requirement who can