Device for efficiently and automatically recovering floating oil in oil separation tank

• Main Authors: CHEN XIA, LEE HEE-MIN, TIAN JING, HE YAWEI, AI JIANQIANG, WANG YONGHAN
• Format: Patent
• Language: Chinese; English
• Published: 03.10.2023
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The utility model discloses a device for efficiently and automatically recovering floating oil in an oil separation tank, which comprises the oil separation tank for temporarily storing oily wastewater to be treated and a reclaimed water storage tank, the oil separation tank and the reclaimed water storage tank are connected through a water replenishing and oil jacking pipeline, and a water replenishing pump is mounted on the water replenishing and oil jacking pipeline; wherein an oil-water double-liquid-level measuring instrument is arranged in the oil separation tank and connected with the input end of the PLC automatic control system, the output end of the PLC is connected with the make-up pump, when an oil-water interface in the oil separation tank is lower than a set value, the PLC controls the make-up pump to make up water to the oil separation tank, a plurality of floating oil overflow holes are evenly formed in the periphery wall of the oil separation tank by a circle, and the floating oil overflow ho