FIELD: oil and gas industry.
SUBSTANCE: plant consists of a vertical tank 1, which contains a vertical partition 2 equipped with a back valve 17, separating the tank into two individual cavities 3 and 4, in the bottom of which perforated pipes 5 are mounted, with finely porous covers fixed thereon; perforated tube of cavity 3 is further connected with flocculant dosing unit 7; partition 8 and 9 are mounted over perforated tubes and made of plates; in cavity 3, they are made in the form of volume grating; in cavity 4, the partitions height decreases from the periphery to the center, also, in the cavity 4, there are two ultrasonic transducers 10, located on diametrically opposite walls above the perforated pipes, perforated pipes 5 are connected to air compressor 11, consumption of which is measured by a rotameter 12; the separated oil product collecting unit is placed on the outer side of vertical tank 1 and designed as a chute 13 attached to the perimeter of tank 1 at an angle to the upper generatrix of the upper tank. The flanging height of tray 13 is selected from the overflow absence conditions, at the tray bottom, there is a drain branch pipe 14 for separated oil product. The air supply from the 11 into cavity 3 and 4 is carried out by opening shutoff valves 15 and 16. The plant has a shutoff valve 18 for draining of purified water.
EFFECT: increased efficiency of water purification from oil products and creating the possibility of operative use in conjunction with any purification means at a relatively low cost of purification process.
2 dwg, 1 tbl
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Authors
Dates
2017-02-27—Published
2016-03-25—Filed