Integrated domestic sewage treatment device

• Main Authors: YANG DASEN, SONG JUNFENG, LIANG ZHUOQI, SUN HANFANG, WANG QIANGFU
• Format: Patent
• Language: Chinese; English
• Published: 14.07.2023
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The utility model discloses an integrated domestic sewage treatment device which comprises a box body and a fine grid, an anaerobic zone, an aerobic zone, an anoxic zone, a settling zone and a sand filtering zone which are sequentially communicated are arranged in the box body, the aerobic zone is further communicated with the settling zone to convey water in the aerobic zone, two water outlet ends of the fine grid are respectively connected with the anaerobic zone and the anoxic zone, and the sand filtering zone is communicated with the settling zone. Suspended biological fillers are respectively arranged in the anaerobic zone, the aerobic zone and the anoxic zone, an aeration device is arranged in the aerobic zone, a sludge reflux pump for refluxing water in the anoxic zone to the anaerobic zone is arranged at the bottom of the anoxic zone, a mud-water separator is arranged in the settling zone, and the settling zone below the mud-water separator is communicated with the anoxic zone; according to the presen