DRILLING MUD PROCESSING AND DECONTAMINATION MOBILE PLANT Russian patent published in 2012 - IPC B03B9/06 C02F11/14 

FIELD: process engineering.

SUBSTANCE: invention relates to oil industry, particularly, to mobile plant for drilling mud and wastes treatment. Propose mobile plant comprises solid phase washing unit furnished with vibrating sieve, and cleaned water collection tank. Solid phase washing unit comprises cyclone-type sand separator incorporated with linear shale shaker-desander separator, and, at least, one buffer tank. Said vibrating sieve and shale shaker-desander separator are provided with water sprayers arranged above screen surfaces. Additionally, proposed plant comprises sold-phase loading unit provided with bin communicated with purified water collection tank and inclined screw conveyor to discharge deposited mud from bin. Besides, this plant includes liquid phase coagulation unit including steam heat exchanger communicated with, at least, one settling tank, sediment dewatering unit furnished with centrifuge, centrate collection tank, thermal desalting unit with reverse-osmosis membrane module and evaporation apparatus. Said units are communicated by pipelines and provided with pumps and gates.

EFFECT: higher efficiency.

12 cl, 1 dwg