ZENG Mu-hai,XIE Xiao-long.Application of Initial Rainwater Storage Tank in a Lake Comprehensive Treatment Project in Wuhan[J].China Water & Wastewater,2021,37(12 12):93-97.
Application of Initial Rainwater Storage Tank in a Lake Comprehensive Treatment Project in Wuhan
China Water & Wastewater[ISSN:1000-4062/CN:12-1073/TU]
volume:
第37卷
Number:
12 12
Page:
93-97
Column:
Date of publication:
2021-06-17
- Keywords:
- initial rainwater; runoff pollution control; intelligent diversion well; combined storage tank
- Abstract:
- The scheme of “interception-storage-treatment” was adopted in a comprehensive treatment project of a lake in Wuhan. Initial rainwater was intercepted to the combined initial rainwater storage tank through intelligent diversion wells, and then pumped to the sewage treatment plant for treatment after the rain, so as to reduce the pollution load flowing into the lake. The combined initial rainwater storage tank consisted of grid channel, oil separation grit chamber, dry weather flow pumping station, storage tank, adjunctive ventilation and odor control system, and all the components were constructed in conjunction with the storage tank. Grid channel and oil separation grit chamber could be used for pretreatment of initial rain to reduce the load of sewage treatment plant. Based on the implementation of the project, working principle of intelligent diversion well, design of combined storage tank and self-washing system and calculation of storage capacity, ventilation flow rate and deodorization air volume were introduced, which can provide reference for the design of the initial rainwater storage tank.
Last Update:
2021-06-17