Rotational flow air floatation separation device and system

• Main Authors: LIANG LUNSHUO, CHEN MINGCUI, PAN ZHANGJUN, YAO HAIJUN
• Format: Patent
• Language: Chinese; English
• Published: 25.12.2020
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The invention provides a rotational flow air floatation separation device and system. The device comprises a separation chamber which is provided with an accommodation space; a separation chamber is provided with a mixed gas-liquid inlet position, a clear water outlet position and a sludge discharge position; a rotational flow chamber is arranged in the separation chamber and is positioned in theaccommodating space; the rotational flow chamber comprises a first communicating pipe, and the first communicating pipe penetrates through the sludge discharge position to be communicated with a sludge recovery device; the rotational flow chamber is provided with an open top end and a rotational flow access position; the coil pipe is wound and overlapped outside the rotational flow chamber; one end of the coil pipe penetrates through the mixed gas-liquid inlet position to be communicated with an oily wastewater mixed gas-liquid device, and the other end of the coil pipe is tangentially communicated with the rotational