C - Chemistry – Metallurgy – 12 – C
Patent
C - Chemistry, Metallurgy
12
C
34/45
C12C 1/10 (2006.01) A23L 1/185 (2006.01) F26B 3/08 (2006.01) F26B 20/00 (2006.01) F26B 21/04 (2006.01) F26B 21/06 (2006.01)
Patent
CA 1315976
AIR F?HLICH AG f?r Energier?ckgewinnung CH-9320 Arbon Process and Apparatus for the Kiln-Dryinq of Malt Abstract: In the process and apparatus for kiln-drying of malt in a hurdle arrangement, at least two zones (A and B) are provided for preliminary drying and one zone (Al) is provided for the secondary drying and/cooling of the malt. The unsaturated exhaust air from the secondary drying and/or cooling zone (A1) is admixed as return air with the intake air system, wherein in the preliminary drying zones A and B respectively different preliminary drying times are achieved by the degree of their loading with malt, the design of the hurdle surface and/or by adjusting the volume flow, the temperature and/or the moisture content of the intake air, so that during the secondary drying in the secondary drying zone (A1), a predrying process is always in operation in at least one predrying zone (A or B) and each individual zone (A, B and A1) is separated in operation as to air technology from the others. The hurdle surface of a single hurdle kiln-drier (12) is subdivided by partition walls (26) into three zones (A, B and A1) and the air supply is designed so that the exhaust air is extracted unmixed zone by zone. The partition walls (26) are arranged so that each zone (A, B and A1) has a charging and discharging device (14) or it can move into the area of the charging and discharging device (14). Fig. 1
599062
Air Frolich Ag Fur Energieruckgewinnung
Fetherstonhaugh & Co.
Frei Willi
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