Sewage treatment biological reaction tank

• Main Authors: LI MENG, WANG SHUNHE, SHI ZHILI, GUO SHUQIN, LI GUOJIN
• Format: Patent
• Language: Chinese; English
• Published: 15.09.2017
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The utility model discloses a do sewage treatment biological reaction tank, every reaction tank set up 4~6 grades through lacking of crossing that the mouth of a river gangs up in proper order / anaerobism pond lacking of constituting / anaerobism pond group with through crossing the good oxygen pond of ganging up in proper order at the mouth of a river lack / good oxygen pond the segmentation AO pond group that good oxygen pond constitutes, lack / anaerobism pond group with segmentation AO pond group set up the constitution side by side the A2O biological reaction pond of multistage multi -mode operation. The utility model discloses a sewage treatment biological reaction tank fuses and segments to intake multistage AO and multi -mode A2O technology characteristics, to the strong multistage multi -mode A2O biological reaction pond of quality of water change adaptability, and through pond shape optimal design, can adopt the mixed liquid return pump who hangs down the lift, effectively reduces the running cost.