DEVICE FOR PURIFICATION OF 0IL-POLLUTED SEWAGE Russian patent published in 2005 - IPC

FIELD: oil-producing industry; agriculture; different branches of industry.

SUBSTANCE: the invention is pertaining to the equipment for purification of oil-polluted sewage of oil-fields and may find application in other industries and agriculture. The device includes hydrocyclones to deliver initial water through the pressure tubular distributive rings. Hydrocyclones are supplied with the cylindrical chambers of the top and bottom drainages, have pressure tubular rings for uniform collection of water. The device also has a settler separated by partitions for a working section and a buffer section. The lower part of the settler in its center is supplied with tools for removal of settlings. The space between the vertical partitions is supplied with hydrodynamic large-grain hydrophobic filtering loading. The working section of the settler has tubular perforated collectors-distributors of the lower and upper drainages of the hydrocyclones placed accordingly one over another. The buffer section of the settler is supplied with a tubular arched equal-arm perforated collector and an arched baffle for the uniform collection of the purified water on an effective cross-section. The technical effect consists in an increased efficiency of purification.

EFFECT: the invention ensures an increased efficiency of purification.

7 dwg