Classifying – separating – and assorting solids – Precedent preparation of items or materials to facilitate... – Sorting special items or sorting by methods and apparatus...
Patent
1979-12-21
1982-06-22
Halper, Robert
Classifying, separating, and assorting solids
Precedent preparation of items or materials to facilitate...
Sorting special items or sorting by methods and apparatus...
48111, 266195, 414214, 222457, 209245, B03B 102
Patent
active
043361315
ABSTRACT:
A continuous gasification furnace and method of operation. The charge is fed into the furnace chamber between two rolls at least one of which is driven. The furnace chamber can be sealed from the ambient atmosphere. The bed of the furnace contains three zones from top to bottom, these zones are; a volatilization zone, a char reaction zone and an ash zone. Additionally, there can be a drying zone above the volatilization zone. Fuel, air, and steam enter the lower portion of the furnace through strategically located inlet ports. Fuel is used to start up the burning bed while carefully controlled steam to air ratio is used during continuous operation of the furnace. Simultaneously controlled steam cooling effects and exothermic reactions occur in the char reaction zone whereby all or controlled amounts of the oxygen is consumed so that pyrolysis can occur in the volatilization zone without the danger of combustion in that zone or combustion of the fumes leaving the bed. The ash is discharged into an ash hopper designed so that the ash within the hopper supports the charge bed.
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Perry's Handbook, McGraw Hill, 1963, pp. 7-28-7-31.
Taggart, Handbook of Mineral Dressing, 1945, pp. 18-03-18-05.
Eckstrom Peter M.
Schmidt H. Dean
Halper Robert
Hummer Harlan E.
Midland-Ross Corporation
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