Mixed liquid underflow reflux device

• Main Authors: CAO ZHONGHONG, CHEN FANZHEN, FANG ZHENG, BAI XINRAN, DING CHAO, ZOU CHONG
• Format: Patent
• Language: Chinese; English
• Published: 23.06.2023
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The utility model provides a mixed liquid undercurrent reflux device, which comprises a shell, a plurality of sewage treatment systems are sequentially arranged in the shell from top to bottom, each sewage system comprises an anaerobic zone, an anoxic zone, an aerobic zone, a rear anoxic zone and a rear aerobic zone, a liquid inlet pipe is arranged on the shell, the liquid inlet pipe is communicated with the anaerobic zone, the anaerobic zone is communicated with the anoxic zone, and the rear anoxic zone is communicated with the rear aerobic zone. The anoxic zone is communicated with the aerobic zone, the aerobic zone is communicated with the rear anoxic zone, and the aerobic zone is respectively communicated with the anoxic zone through a reflux device; a liquid outlet pipe is arranged on the shell and is communicated with the rear aerobic zone; the reflux device comprises a reflux plate and a plurality of reflux components, the reflux plate is arranged on the aerobic zone, and the plurality of reflux compon