Drum drying of liqueform substances

Claim 1

APPARATUS FOR TREATMENT OF LIQUID BASE FLUENT COMPRISING: A CASING, A TUBE ROTATABLY MOUNTED IN THE CASING WITH A SPACE BETWEEN THE TUBE AND CASING, MEANS TO ADMIT FLUENT INTO SAID SPACE AND DIRECT IT TO FLOW INTO CONTACT WITH THE TUBE, MEANS WHEREBY THE TUBE CAN BE CAUSED TO ROTATE IN THE CASING, MEANS TO ADMIT COMBUSTIBLE MATERIAL INTO ONE END TO THE TUBE, MEANS TO EXHAUST PRODUCTS OF COMBUSTION FROM THE OTHER END OF THE TUBE, MEANS PROVIDING FOR THE EXIT OF VAPOR FROM SAID SPACE PRODUCED WHEN LIQUID IN SAID FLUENT FLASHES UPON CONTACT WITH THE TUBE, AND OUTLET MEANS IN THE CASING TO ALLOW WITHDRAWAL OF THE NON-VAPORIZED RESIDUE OF THE FLUENT REMAINING AFTER FLASHING OF LIQUID THEREOF, CHARACTERIZED BY THE FACT THAT SAID TUBE IS MOUNTED WITH ITS AXIS INCLINED DOWNWARDLY TOWARD THE END AT WHICH IS LOCATED THE MEANS TO ADMIT COMBUSTIBLE MATERIAL, AND INCLUDING: MEANS TO SEPARATE SLUDGE FROM THE FLUENT PRIOR TO ADMISSION OF THE FLUENT TO SAID SPACE, AND MEANS TO FEED SAID SLUDGE TO SAID END OF THE TUBE FROM WHICH PRODUCTS OF COMBUSTION ARE EXHAUSTED.