EDGE KNIFE FILTER Russian patent published in 2008 - IPC B01D29/44 B01D29/64 

FIELD: mechanics.

SUBSTANCE: invention is intended for filtering liquid media. The filter contains a case, a top cover and a bottom chamber, unions for incoming polluted liquid and outcoming purified liquid, a filter element arranged inside the case and a knife to remove mechanical impurities. Two barrels arranged in one vertical plane are welded to the case cylinder ring, one of the said barrels being located in the ring upper part and another one in its lower part. The knife to remove mechanical impurities is arranged inside the case and rigidly fixed on trapezoidal aligning bar, the knife cutting edge being aligned along the filter element generator opposite the direction of rotation so that a clearance between the said cutting edge and the generator can be adjusted.

EFFECT: automation of filtering, higher efficiency of the filter element regeneration, longer filter life, lower operating costs.

8 cl, 5 dwg