METHOD OF PNEUMATIC TRANSPORTATION OF POWDER-LIKE MATERIAL FROM HOPPER OF ASH COLLECTOR Russian patent published in 2001 - IPC

FIELD: power engineering. SUBSTANCE: method comes to transportation of powder-like material from hopper into pipeline space, fluidization of material and its draining into ash-handling system. Powder-like material from hopper of ash collector is directed into space of inclined pipeline in upper part of which fluidizing gas is taken off. Draining of powder-like material into ash-handling system is carried out over length of inclined pipeline through drain pipes. Hydraulic resistance of powder-like material in inclined pipeline from place of draining of powder-like material to place of taking off of fluidizing gas should be less than hydraulic resistance of powder-like material in drain pipe. Part of powder-like material is drained from inclined pipeline in point lower than place of its delivery into inclined pipeline. Velocity of fluidizing gas should be less than free-fall velocity of particles of powder-like material large fraction. EFFECT: reduced consumption of air for separation of powder-like material particles at utilization. 1 dwg