Multi-stage biological contact oxidation reactor

• Main Authors: ZHANG HUAIEN, LIU XINYI, WANG WENJUN, ZHANG SHANSHAN, LUO JUNZHAN
• Format: Patent
• Language: Chinese; English
• Published: 07.11.2012
• Subjects: CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; METALLURGY; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The utility model discloses a multi-stage biological contact oxidation reactor, which comprises multistage biological contact oxidation reaction tanks, an aeration system and an intelligent measurement and control system, wherein biologic padding is filled in each stage of biological contact oxidation reaction tank; the bottom end of the final stage of biological contact oxidation reaction tank is connected with a nitrifying liquid backflow pipeline, and a nitrifying liquid backflow pump is arranged on the nitrifying liquid backflow pipeline; a water distributing pipe is arranged on one side in each stage of biological contact oxidation reaction tank, and a water collecting sump is arranged at the upper part of the other side in each stage of biological contact oxidation reaction tank; the inlet of the water distributing pipe positioned in other biological contact oxidation reaction tank is connected with the water collecting sump positioned in the former stage of biological contact oxidation reaction tank; t