Sewage pretreatment device

The utility model discloses a sewage pretreatment device, including gaseous tower and heat exchanger, the upper left side of heat exchanger is provided with hot water inlet end, and the right downsideof heat exchanger is provided with hot water and goes out the water end (W. E. ), the delivery port of heat exchanger pass through the waste pipe with stripping tower top intercommunication, stripping tower's inside is provided with the filler, stripping tower's lower part is furnished with fan, the air outlet of fan and stripping tower's lower part intercommunication. The utility model provideshigh sewage temperature has reduced the surface tension of water, has improved organic concentration, is favorable to organic matter from aquatic separation output, meanwhile, stripping tower blows todeviate from through the partial organic matter that the fan contains the aquatic, has reduced the organic matter of waste water to reduce the COD of waste water, reduced the load for post processingsewage. 本实用新型公开了种污水预处理装置，包括