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Drying Pharmaceutical Engineering PPT SlideShare

·15 Drum Dryer Film Drying It consists of a drum of about m in diameter and 2 4 m in length heated internally usually by steam and rotated on its longitudinal axis Working The liquid is applied to the surface and spread to a film this may be done in various ways but the simplest method is that shown in the diagram where the drum dips into a


ROTARY DRYER PPT SlideShare

·6 A rotary dryer consists of a cylindrical shell set with its axis at a right angle to the horizontal and mounted on rollers so that it can be rotated The material to be dried is fed to the high end of the dryer and by rotation of the dryer usually assisted by internal shelves of flight is gradually advanced to the lower end where it is discharged


Drying PPT SlideShare

·Drum Dryer or Film Drying It consists of a drum of about m in diameter and 2 4 m in length heated internally usually by steam and rotated on its longitudinal axis Operation The liquid is applied to the surface and spread to a film this may be done in various ways but the simplest method is that where the drum dips into a feed pan


Drying PPT SlideShare

·4 Drying APIs is an important operation for the production of consistent stable free flowing materials for formulation packaging storage and transport Particle attrition or agglomeration can result in major differences in particle size distribution PSD compressibility and flow characteristics Equipment selection Drying specifications


UNIT 3 SlideShare

·The key types of dryers covered include tray dryers drum dryers spray dryers and fluidized bed dryers Tray dryers are described as using forced convection to remove moisture from solids placed on trays inside a heated and insulated chamber The document also examines the rate of drying curve and factors that influence drying such as


Vacuum dryer extruder double drum dryer PPT

·Drum Dryer Film Drying Milk or milk products can be dried in a thin film mm on an internally steam heated rotating drum Often two drums are set up side by side at a very small distance apart The water evaporates within a few seconds which is possible due to the high drying temperature >100°C On a drum drier the product enters


Calculation guidelines for Rotary SlideShare

·The document outlines the design procedure for a rotary dryer used to dry fertilizer from 5% to % moisture content The key steps are 1 Performing mass and heat balance calculations to determine moisture evaporated dry solid mass and total heat duty of MJ/hr 2 Sizing the dryer using the heat duty to calculate required air flow of kg/hr


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