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Abstract

Drying and conveying tests with wet biomass (bark) were run after commissioning the plant. Tests with a conventional vibrating fluid bed drying system and the newly designed vibrating fluid bed double deck drying system were carried out at the same drying air temperature to compare their drying capacity and the feasibility of the double deck design for industrial scale systems was examined in conveying tests. The test results showed that the double deck design of the vibrating fluid bed drying attained the anticipated increase in capacity: when the amount of heat derived as waste heat from the biomass pyrolysis process is known, the amount of the supplement heat required and provided by biogas combustion can be defined. The industrial application of the vibrating fluid bed double deck drying system for predrying of biomass does not involve any problem.

Additional information

Authors: WEYELL M, VIBRA-MASCHINENFABRIK, OFFENBACH A.M. (GERMANY);CHRIST B VIBRA-MASCHINENFABRIK, OFFENBACH A.M. (GERMANY), VIBRA-MASCHINENFABRIK, OFFENBACH A.M. (GERMANY)
Bibliographic Reference: EUR 9972 EN (1985) MF, 57 P., BFR 150, BLOW-UP COPY BFR 285, EUROFFICE, LUXEMBOURG, POB 1003
Availability: Can be ordered online
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