Document jmndwbJd71zG5EgXRomXaVEq5

APPENDIX VII TRAY DRYER PERFORMANCE Vacuum Tray Size - 22" x 40" x 1.5" * 0.76 ft.3/tray Humber of Trays - 34/dryer Lbs. QA (dry) per tray *. 12 Lbs, dry QA/Bryer 410# dry/QA/dryer Average Cycle (Measured) - 16.5 hrs. Assume 90% utilization * 16.5/.9 - 18.25 hours 4l0#/l8.25 hrs. * 22.5#/hr. This is performance of Red 547 tray dryers. Air Tray Size * 24 x 24 x 1" 0.333 ft.s/tray Number of Trays = 88/dryer Lbs, QA (dry) per tray 8 lbs ./tray Lbs. dry QA/dryer = 705#/dryer Average Cycle = 16 hrs. Assume 90% utilization I6/.9 = 17.75 705#/17.75 - 39.7#/hour/dryer This is performance of Newark air tray dryers. Air (CPC) Tray Size - 25.5 x 25,5 x 1.5 - O.56 ft.Vtray Number of trays = 44 trays/cart x 2 carts/dryer * 88 trays/dryer Lbs. QA (dry)/tray = O.56 ft.3 x 70#/ft.e x 0*3# QA/# cake * 11.75#/ tray Lbs. dry QA/dryer 88 x 11.75 = 1040#/dryer Cycle (to 0.5% moisture) = 24 hrs, at 90% util. 26.7 #/hr. * 1040/26.7 * 39#/hr, All dryers are steam heated. The dryers and the trays must be thoroughly washed out after use. It appears the drying rate in air dryers is about 705#_Dry QA = 1.5 # dry QA T/.75 hrs. 2b.$ ft.s hr. ft.3 which is roughly equivalent to 3.5#_Ha0 evaporated hr. ft.a mteriaT'charged Drying Rate for Vacuum 4-10# Dry QA * 0.8# dry QA '^rsrxTS^T^' IrTT^.3 which is roughly equivalent to 2# HgO evaporated hr, ft.a materiaX charged