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Continuous Fluid-Beds

Applied Chemical Technology (ACT) Continuous Fluid Beds offer non-stop production capabilities for a vast array of process applications. Our versatile range of fluid-bed sizes can meet any need, from research and development operations on the bench or pilot plant scale to full-scale production plants. Bring the unique advantages of ACT fluid-bed technology to your process with a Continuous Fluid Bed from ACT.

Continuous Fluid Beds Brochure


ACT's Continuous Fluid-Beds are ideal for a wide range of process applications including:

  • Coating
  • Drying
  • Reacting
  • Granulating
  • Agglomerating
  • Spray Drying
  • Heating
  • Conveying
  • Impregnating
  • Prilling
  • Sizing
  • Cooling

Standard Features (All Models)

  • ACT's exclusive air distribution plenum for even fluidization
  • Replaceable distributor plate
    • Standard plate punched to your materials requirement
    • Wide range of open areas
  • Adjustable material retention drum
    • 1" height increments, up to 12" total bed depth
  • Differential pressure gauge
  • Multi-functional removable access door
    • Access
    • View port
    • Sample port (atmospheric operation only)
  • Window at discharge end
  • Bolted plenum access door
  • Wash out drain
  • End air feed
  • Pressure ±20" water column
  • Handles material up to 90 lb/ft² bulk density
  • Up to 250° F operating temperature standard
  • Configurable under positive, negative or atmospheric pressures
  • Carbon steel construction, primed and painted
  • Mounting lugs

Optional Features and Accessories

  • High temperature gaskets and seals
    • Support operating temperatures up to 700° F
  • Feed distribution system
    • Evenly dispenses material across screen
    • Optional air spreaders
  • Alternate distributor plates (wide range of open area)
    • V-wire plated for added durability and alternate flow patterns
    • Porous metal plates
    • Directional punched plates
    • Specialty punched plated
  • Custom internals
  • Wurster spouting tubes
  • Special internals to prevent forward mixing
  • Sampling ports
    • Self-sealing thief ports for pressure options
    • Sample ports for atmospheric operations
  • Additional view ports and access doors
  • Quick opening plenum access door
  • External actuated dump
    • Manual or automatic
  • Steam cleaners
  • Side or bottom air feed
  • Zone plenum for multiple air temperature operation
    • Allow heating and cooling in the same unit
  • Unit available without plenum for negative pressure operation
  • Air flow and temperature instrumentation controls
  • Automation with full integration into your process operations
  • Complete spray system accessories
    • Pumps, filters, nozzles, piping, etc.
    • Top, bottom, or side mounted
  • Explosion proof rating
  • Steam jacketed bed chamber
  • Custom internal finishing/coating
  • Structural steel support
  • Specialty access platform
  • Stainless steel construction
  • Custom Parts

ACT maintains a fully equipped laboratory and pilot plant for testing to determine the best system for your needs. We also offer lease units and technical assistance for testing operations at your location.

Custom Fluid Bed Engineering

ACT maintains a full staff of chemical, mechanical, and electrical engineers and designers who can custom design your fluid bed for an any range of process requirements, from extreme temperature operations to hazardous materials processing. Your custom modifications could include:

  • Design for material over 90 lb/ft² bulk density
  • Design for high temperature operations
    • 1400° F and above
  • Design for cryogenic operations
  • Custom construction materials such as Hastelloy©, Iconel© and other exotic metals
  • Custom dimensions
  • Custom shape
  • Flared disengaging for low profile units
  • Complete systems including blowers, ducts, heaters/coolers, condensers, mist eliminators, inert gas operation, recirculation systems, emissions controls, etc...
Continuous Fluid-Bed Diagram

Dimensions and Technical Specifications (Standard Models)

Model # H W L H.A.S.* S.A. † No. of Access Doors
205FB 208cm (6'-10") 38cm (1'-3") 152cm (5') 152cm (5') .5m² (5ft²) 1/1
210FB 224cm (7'-4") 51cm (1'-8") 213cm (7') 152cm (5') .9m² (10ft²) 1/1
215FB 326cm (10'-8.5") 61cm (2') 259cm (8'-6") 244cm (8') 1.4m² (15ft²) 1/1
220FB 417cm (13'-8") 61cm (2') 335cm (11') 305cm (10') 1.9m² (20ft²) 1/1
330FB 432cm (14'-2") 76cm (2'-6") 396cm (13') 305cm (10') 2.8m² (30ft²) 2/2
340FB 462cm (15'-2") 76cm (2'-6") 518cm (17') 305cm (10') 3.7m² (40ft²) 2/2
350FB 493cm (16'-2") 76cm (2'-6") 640cm (21') 305cm (10') 4.6m² (50ft²) 3/3
360FB 523cm (17-2")' 76cm (2'-6") 762cm (25') 305cm (10') 5.6m² (60ft²) 3/3
380FB 544cm (17'-10") 91cm (3' 843cm (27'-8") 305cm (10') 7.4m² (80ft²) 3/3
3100FB 594cm (19'-6") 91cm (3') 1047cm (34'-4") 305cm (10') 9.3m² (100ft²) 3/3
* Height Above Screen

† Screen Area
All dimensions are subject to change and are given for space estimation only