Sewage treatment device

The utility creatively provides a sewage treatment device, which comprises a housing, one side of casing be equipped with the water inlet, the opposite side that corresponds is equipped with the delivery port, the inside of casing first baffle, second baffle, third baffle, fourth baffle has set gradually, first baffle be located one side of water inlet, with the roof, diapire of casing link to each other, the lower part of first baffle be equipped with the mouth of a river, the second baffle lie in the roof of casing on, the third baffle be located the diapire of casing on, the fourth baffle be located the roof of casing on. The utility model discloses create sewage treatment device be provided with first baffle, second baffle, third baffle, fourth baffle, the four layers baffle carries out the subregion with the casing, sewage obtains handling after looping through the four layers baffle, equitable the dividing the work in limited space in with the casing of four layers baffle, the utilization that makes the