Under combination spiral -flow aeration machine that admits air

The utility model discloses an under combination spiral -flow aeration machine that admits air, including fixed baseplate, fixed bed mount at the bottom, fixed baseplate on install the support, the support on install the shell, the inside aerator that is equipped with of shell, inside being located of shell be equipped with the gas distribution device between the aerator, the gas distribution device connect the aerator, shell below be equipped with the air hose, air hose one end gas distribution device is connected from shell below, the air hose other end connect outside fan. Compared with theprior art, the utility model the advantage lie in: it is big to be applicable to water area, the dark lake of the lake body, river course etc. And the installation of can not cutting off the water, it is unblock, safeguard simply. 本实用新型公开了种下进气组合旋流曝气机，包括固定基座，所述的固定基座安装在水底，所述的固定基座上安装有支架，所述的支架上安装有外壳，所述的外壳内部设有曝气器，所述的外壳内部位于曝气器之间设有布气装置，所述的布气装置连接曝气器，所述的外壳下方设有空气管，所述的空气管端从外壳下方连接布气装置，所述的空气管另端连接外部风机。本实用新型与现有技术相比的优点在于：适用于水域面积大，湖体深的湖泊