生化处理曝气设备选型

在污水处理工程中采用活性污泥处理工艺极为普遍,其中曝气设备必不可少的关键设备,目前我国大中小型的污水处理采用的曝气设备一般有:鼓风机+曝气盘(底曝)系统、转刷/转碟系统、表曝机、潜水推流曝气机等,通常选用曝气设备的原则是:根据进水、出水水质,水量,运行费用,使用寿命,维护费用,一次性投资,负面影响及节能环保等方面综合考虑选用。

Aeration Equipment Selection in Biological Treatment

In sewage treatment works , activated sludge treatment process was very common and aeration equipments were essential and critical equipments.Aeration equipment of all sizes presently used by sewage treatment were aeration blower plate （ bottom exposure ） system, brush/rotating disk systems , aerators, submersible propeller flow aerators.Usually , aeration equipment selecting principles were in -water and out-water quality , water quantity , operating costs , service life , maintenance costs , one -time investment , and the negative impact of energy -saving and environmental protection should be taken into account in choosing the aeration equipments.