Process for burning different sized particulate material in a pulverized fuel burner

Claim 1

A PROCESS FOR BURNING THE DIFFERENT SIZED COAL PARTICLES OF A STABILIZED COAL-WATER SLURRY INA PULVERIZED FUEL BURNER, CERTAIN OF SAID COAL PARTICLES IN SAID STABILIZED SLURRY HAVING A SIZE GREATER THAN A PREDETERMINED SIZE, SAID PROCESS COMPRISING MAINTAINING AN INVENTORY OF STABILIZED SLURRY IN A STORAGE MEANS UNDER SUBSTANTIALLY QUIESCENT CONDITIONS, WITHDRAWING A STREAM OF SAID STABILIZED SLURRY FROM SAID STORAGE MEANS, TRANSPORTING BY PUMPING THROUGH AN ENCLOSED CONCUIT SAID STREAM OF SLURRY FROM SAID STORAGE MEANS TO A VAPORIZING MEANS, SUBJECTING SAID SLURRY IN SAID VAPORIZING MEANS TO A GAS AT AN ELEVATED TEMPERATURE TO THEREBY VAPORIZE A PORTION OF SAID WATER IN SAID STABILIZED SLURRY TO FORM A SUSPENSION OF SAID DIFFERENT SIZED COAL PARTICLES IN SAID GAS CONTAINING WATER VAPOR, TRANSPORTING SAID SUSPENSION PNEUMATICALLY FROM SAID VAPORIZING MEANS TO A CYCLONE SEPARATING MEANS THROUGH A SECOND CONDUIT MEANS, SEPARATING IN SAID CYCLONE SEPARATING MEANS SUBSTANTIALLY ALL OF SAID COAL PARTICLES GREATER THAN A PREDETERMINED SIZE, WITHDRAWING SAID SEPARATED PARTICLES FROM SAID CYCLONE SEPARATING MEANS THROUGH A THIRD CONDUIT MEANS, TRANSPORTING