DEVICE FOR PURIFICATION OF OILY WASTE WATERS Russian patent published in 2005 - IPC

FIELD: oil-producing industry; agriculture and other industries; production of devices for purification of oily waste waters.

SUBSTANCE: the invention is pertaining to the field of oil-producing industry, in particular, to the devices for purification of oily waste waters of oil fields and may be used in other industries and agriculture, waste waters of which contain petroleum and oil products. The device contains the horizontal hydrocyclones hydraulically interconnected with oily waste waters settling tanks. The hydrocyclones on the outlet of the upper and lower drains have the cylindrical chambers, which are supplied with the water distributors made in the form of tubular perforated sewers. The sewers of the low discharge are placed in one settling tank, and the sewers of the upper discharge - in the other settling tank. In each settling tank a coalescing hydrophobic granular load is placed. The technical result consists in improved quality of purification of waste waters from petroleum and oil products.

EFFECT: the invention ensures improved quality of purification of waste waters from petroleum and oil products.

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