Oil field waste liquid treatment coagulation air floatation apparatus

Abstract

The invention discloses an oil field waste liquid treatment coagulation air floatation apparatus. The oil field waste liquid treatment coagulation air floatation apparatus structurally comprises a liquid inlet guide pipe, a top cover, a driving motor, a fixed disc, an air inlet mesh enclosure, a fixed threaded rod, an air floatation waste liquid treatment apparatus, a solid floating residue discharging guiding pipe, a liquid discharging valve, a base, supporting legs and a controller. The air floatation waste liquid treatment apparatus can suck the air in the atmosphere into an air collectionbox by virtue of an initiative air inlet mechanism and drive a jet-flow air compression mechanism to work, the air in the air collection box is compressed by virtue of the jet-flow air compression mechanism, the air flowing at a high speed is guided into a liquid collection box, and a great amount of micro bubbles are generated, so that small suspended solids in the water can be adhered onto the air bubbles and can float to the water surface along with the air bubbles to form the floating residues, the suspended solids in the water can be removed, and the water quality can be improved; and thefloating residue discharging mechanism is cooperated with the jet-flow air compression mechanism, so that the floating residues can be automatically discharged from the liquid collection box, and thecontinuity and automation of the solid-liquid separation process can be realized.

Description

technical field [0001] The invention relates to the technical field of oil field waste liquid treatment, in particular to a coagulation and air flotation device for oil field waste liquid treatment. Background technique [0002] Under the new form of environmental protection, the treatment of oilfield waste liquid has also become the focus of attention. Oilfield drilling and production operations will involve and generate a large amount of waste liquid, which contains a certain amount of organic matter, inorganic matter, solid particles and oily substances. The main method used for treatment is coagulation sedimentation. The traditional coagulation and settling device is an ordinary stirring tank. The common stirring tank is mainly a square flat bottom or a round flat bottom. In the process of waste liquid treatment, coagulation and solid-liquid separation are integrated and intermittently completed, and the continuity of the process cannot be achieved. It is automatic and ...

AI Technical Summary

Problems solved by technology

The traditional coagulation settling device is an ordinary mixing tank, and the common mixing tank is mainly a square flat bottom or a round flat bottom. During the waste liquid treatment process, the coagulation and solid-liquid separation are completed intermittently, and the continuity and consistency of the process cannot be achieved. It is automatic and has low efficiency. It takes a long time to wait for settlement and cannot match the speed of oilfield exploitation. It is easy to cause long-term accumulation of waste oil and pollute the environment.

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