Patent ID: 6022388
Filing Date: 2000-02-08
Classification: B01D

Abstract:
A device for cleaning filter elements having upper open ends, in a filter installation for filtering of polluted gas passing, during operation, from the outside and through the filter elements, in which installation filter elements are juxtaposed in a plurality of essentially parallel rows, the device comprising:an essentially horizontal distribution pipe, the pipe extending essentially in parallel with juxtaposed rows of filter elements to be cleaned;a pressure medium source connected to the pipe via a valve; anda plurality of nozzle elements connected to the distribution pipe, the nozzle elements being adapted to direct pressure medium pulses into upper open ends of the filter elements of at least two of the juxtaposed rows of filter elements,wherein the nozzle elements are uniformly distributed along the distribution pipe and are arranged such that they alternatingly project on either side of the distribution pipe.