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BLOWER REQUIREMENTS FOR FLUID BED POWDERS

See also guidelines for fluidising tank design.

STANDARD 550 BOX CONTAINING PPA 571

AIRFLOW REQUIREMENT = 80 M3/Hr PER M2 SURFACE AREA OF BED

PRESSURE REQUIRED = 2 to 2.5 x HEIGHT x BULK DENSITY x 100 mbar

Example:Standard 550 Fluidising tank

BED WIDTH

 LENGTH 

AREA

AIR FLOW REQUIRED
Metres Metres m2 m3/hr Ft3/Min
1.67 0.91 1.52 121.58 71.55

POWDER HEIGHT

 POWDER TYPE

BULK DENSITY

 PRESSURE REQUIRED
Metres    g/cc = kg/L  mbar ins water gauge
0.84 PPA 571/LDPE 0.36 75.6 30.35

Fill in the blue cells marked   and then click anywhere on the page to calculate your blower requirements

Insert bed width metres Insert bed length metres
Insert bed height metres Insert powder bulk density g/cc
           
Select powder grade

PPA 571

PPA 691 for battery boxes

 Other grades
           

Area in m2 =

  Air flow requirement  
     

m3/hr  
     

ft3/min  
      Pressure requirement  
     

mbar  
     

ins water gauge
           
Volume of powder required assuming full un-fluidised tank =  m3

Weight of powder required assuming full un-fluidised tank =

kgs

W.G. O'Donnell

Technical Manager
© Plascoat Systems Limited, MMIII

Plascoat Systems Ltd.

Trading Estate,

Farnham, Surrey

GU9 9NY, UK

Tel: +44 (0) 1252 733777, Fax: +44 (0) 1252 721250

email: sales@plascoat.com

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