PNEUMOIMPULSE PLANT Russian patent published in 2002 - IPC

FIELD: boiler equipment, applicable for air cleaning of heating surfaces of settled fuel combustion products. SUBSTANCE: the pneumoimpulse plant has an accumulating receiver, device for creation of pulsation of air delivered to the surfaces to be cleaned, compressed-air source and a control panel, it also has at least one exhaust nozzle of directive action, and the device for creation of pulsation of air delivered from the receiver to the nozzle is made in the form of a diaphragm valve. The device is designed for operation at a heating power of the boiler unit not exceeding 70% of the rated one at a preset rarefaction in the furnace, and the exhaust nozzle is made for release of compressed air at a pressure of 0.4 to 0.8 MPa with a periodicity not exceeding twice a minute. EFFECT: enhanced efficiency of cleaning of even most separate surfaces. 4 cl, 2 dwg