Greentech International (Zhangqiu) Co., Ltd.
Greentech Industry (Jinan) Co., Ltd.
If you are planning a wastewater treatment project one key question is how to select the right NSRH Roots blower for aeration Choosing only by model size is risky You need real working data pressure calculation and clear selection logic to make sure your aeration system runs stable and saves energy
Start with the aeration tank depth Water depth directly affects required pressure For example if water depth is five meters the basic pressure from water column is about fifty kilopascal Then add pipeline loss and diffuser resistance
Next check the required dissolved oxygen level Different treatment standards mean different oxygen demand This will decide the total air flow rate
Longer pipes and more bends increase pressure loss If the pipe length is fifty meters or more you must include this in your total system pressure calculation
First calculate oxygen demand per cubic meter of wastewater Then convert oxygen requirement into air volume This gives you total air flow rate for blower selection
Total pressure equals water depth pressure plus pipeline loss plus safety margin This is your final working pressure
Choose an NSRH Roots blower model that can deliver required air flow at calculated pressure Check motor power and consider variable frequency drive if load changes during operation
Do not oversize the blower Oversizing means higher energy consumption and unstable operation Do not undersize either or aeration efficiency will drop Always check installation foundation noise control and maintenance plan
If you share your tank size water depth and pipe layout you can quickly estimate correct NSRH Roots blower capacity A small calculation today can prevent long term operating problems

roots blower product information
Web: http://www.greentechblower.com (Group Web) ‖ http://www.zqblower.cn (Chinese) ‖ http://www.ringblower.cn/ (Ring blower) ‖ http://www.china-blower.com (Roots Blower)
Copyright © 2025 Greentech International (Zhangqiu) Co., Ltd. | All Rights Reserved 鲁ICP备12007127号 Technical support:Xintuweb
