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Powder & Bulk Solids, February 2015

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PowderBulkSolids.com T h e S o u r c e f o r D r y P r o c e s s i n g a n d B u l k H a n d l i n g Te c h n o l o g y Official Publication of PowderShow.com Vol. 33, No. 2 • IN THIS ISSUE F E b r U a r y 2 01 5 Valves, Gates, & Airlocks Spotlight The Mac Process cleanable round airlock (CRA) was designed specifically for food, pet food, and chemical industry applications, where equipment must meet challenging sanitary requirements. Read more on page 12 Fluid Bed Dryers Made Shorter Fluid bed dryers typically utilize cross flow between drying air and a moist product to accomplish drying. The velocity of the upward air flow must exceed the limiting effect of the product bed in the dryer. Read more on page 18 New Cooler Technology Solves Salt Production Problem Carrier was approached by a major U.S.-based producer of fine salt to help resolve a problem. The approach used for salt production uses gas-fired evaporators to generate a salt wet cake from a brine solution. Read more on page 26 Fluid Bed Dryer Airslide Inlet Tray Prevents Blockage This new airslide inlet tray prevents sticky materials from clumping at the entry of vibrat- ing fluid bed dryers and coolers. Installed within the infeed section where material enters the drying system, the airslide inlet tray directs the heated airstream through a series of small openings in the stainless steel plate that face downstream and parallel to the infeed deck. Incoming products begin drying immediately and advance gently and consistently to the primary drying zone while the potential for sticky products to block up the infeed and cause a troublesome cleanup is virtually eliminated. Witte Company, Inc., Washington, NJ 908-689-6500 www.witte.com Delumper Triple-LP Crusher Designed with an ability to handle sticky, wet, moist substances, as well as dry caked solids, the Delumper Triple-LP crusher features a heavily constructed body and low friction cutter design with three parallel shafts of indi- vidual replaceable cutters mounted in a staggered pattern around the shaft diameter. Each shaft has heavy outboard bearings and a shaft seal to protect the bearings and retain the product in the cutting area. The crusher is also provid- ed with wear plates, shaft seal protected heavy-duty roller bearings, heavy body frame construction, and independent direct gear drives and motors on each shaft for smooth, quiet, and reliable operation. Franklin Miller Inc., Livingston, NJ 973-535-9200 www.franklinmiller.com Insight into the Aseptic Spray Drying Process Page 10

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