Village and town sewage centralized innocent treatment system

• Main Authors: WANG WU, WANG FENGLONG, WU JINBAO, FAN CHUNYI, MENG HANXIAN, ZHU HONGMAN, GUO GUANGYAO, GUO TIANZHU, YANG JINGRUI
• Format: Patent
• Language: Chinese; English
• Published: 31.12.2021
• Subjects: CHEMISTRY; FERTILISERS; MANUFACTURE THEREOF; METALLURGY; ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The invention provides a village and town sewage centralized innocent treatment system, which comprises a solar thermal collector, a heat exchanger, a coarse screen well, a stirring well and a fine screen well which are communicated in sequence; wherein a water outlet of the fine screen well is communicated with an air floatation tank, a sludge outlet of the fine screen well is communicated with a sludge-water separator, the fine screen well comprises an obliquely-arranged fine screen, and a squeezer is arranged on the upper portion of the fine screen; the air floatation tank, the adjusting tank, the purification tank and the water storage tank are sequentially communicated, the mud-water separator, the aerobic fermentation tank, the condenser and the deodorization tower are sequentially communicated, the aerobic fermentation tank comprises a plurality of fermentation tank bodies which are stacked and communicated, a pile turning device is arranged in each fermentation tank body, and the aerobic fermentation