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PNEUMATIC TRANSFER FROM STORAGE
PNEUMATIC TRANSFER FROM STORAGE by Len Schwartz Application Engineer FLSmidth Pneumatic Transport Distribution Systems Slide 1 Storage Facilities Slide 2 Methods of Transport from Storage • Air/Gravity Conveying • Mechanical Line Injection • Pneumatic Line Injection Slide 3 Air/Gravity Conveyor The Effect of Fluidization • • Slide 4 Fluidizable product poured onto an Airslide™ Watch what happens when the air is turned on Air/Gravity Conveyor Pneumatic Flow in an Airslide™ Fluidizing and air assisted gravity conveying Slide 5 Air/Gravity Conveyor Airslide™ Conveying System open type airslide conveyor rotary valve observation port butterfly flow gate rotary flow control gate side discharge valve discharge box vent connection positive displacement blower fan FK™ pump a wide range of accessories adapts the airslide conveying system to a variety of applications. these components have a performance-proven reputation in the conveying of dry, free-flowing solids. Slide 6 telescopic loading spout airslide conveyor swivel assembly Air/Gravity Conveyor Fuller Airlift® Slide 7 Air/Gravity Conveyor Airslide™ Conveyors • • • • Slide 8 No moving parts Material is contained/enclosed in Closed Type Rate of flow can be easily controlled and re-directed Low power consumption Mech. Line Injection Mechanical Line Injection Ceramic Feeder FK Pump Slide 9 Mech. Line Injection Rotary Valve Hopper • • • • • Low Cost Low Headroom Easy to install Low maintenance Medium power consumption Air Vent Vent Pipe Leakage Air Collector/ Hopper Rotary Valve Air Convey Line Feeding Tee Slide 10 Mech. Line Injection Fuller-Kinyon™ Pumps Slide 11 Mech. Line Injection What is a Fuller-Kinyon Pump? • • • • Slide 12 Screw type volumetric line charger Compression pitch screw for material seal Minimal blowback at <32 psi Continuous/semi-continuous operation Vane Compressor Ful-Pak Rotary Vane Compressor Slide 13 Mech. Line Injection Fuller-Kinyon™ Pumps storage silo vent vent flow meter Slide 14 Mech. Line Injection Fuller-Kinyon™ Pump • • • • • • • • Slide 15 Low capital cost High reliability / availability Simple operation & commissioning High tolerance to changes in material characteristics Relatively low headroom requirement Continuous conveying Line splitters to feed multiple points Medium to high power consumption Pneu. Line Injection Pneumatic Line Injection Slide 16 Single Tank Dual Tank Batch Feed Continuous Feed Pneu. Line Injection Process Line Injection Slide 17 • Batch or continuous • Volumetric or gravimetric • Controlled feed • Line splitters to feed multiple points • High convey line pressures • Can handle process backpressures without back-flow Screw or Vane Compressor Sahara™ Screw Compressor Or Ful-Pak Rotary Vane Compressor Slide 18 Pneu. Line Injection Pneumatic Line Injection • • • • • Slide 19 No moving parts Material is contained/enclosed Flow can easily be redirected within the pipeline Long convey distances can be achieved Medium to high power consumption System Comparisons Slide 20 System Comparison Airslide Mechanical Pneumatic Capital Cost Low Medium High Installation Cost Low Medium High Power Consumption Low High/Medium High Maintenance Low High Medium Capacity Medium Medium High Convey Distance Low/Medium Medium High Controlled Flow High Medium Low Slide 21 FLSMIDTH World Leaders in Pneumatic Transfer Systems Slide 22