Page 55 - PIGNAT catalogue 2020 GB_092020

SOLID—LIQUID FLUIDIZATION

FLS/3000 SOLID-LIQUID FLUIDIZATION

➢ Study the fluidization with water of a bed of glass beads

Fluidization study
Determine experimentally the minimum fluidization speed
Study the expansion of the bed
Analyze pressure drops as a function of water flow rate

Study the influence of parameters on fluidization
Column diameter
Glass bead diameter and density
General specifications Instrumentation
• 2 flowmeters.
• Tank with removable lid. • Piezometric tube, a hand pump for the
pressure setting, draining valve.
• SS centrifugal pump.
In option
• Glass column, L = 1 m, packed with Ø 6 • Electronic differential pressure transmitter.
mm glass beads. • A control panel with a touch screen.

• Glass column, L = 1 m, packed with Ø 6
In option supervision mm glass beads.

www.pignat.com
www.pignat.com
• Glass column, L = 1 m, packed with Ø 3
mm glass beads.

• Set of valves: column selection and draining. 100 - 240 V Water
500 L / h
1ϕ - 50/60 Hz
Dim: 160 x 90 x 190 cm - 150 kg

COMBINED FLUIDIZATION FLM/2000

➢ Liquid-Solid and Gas-Solid fluidization study

Theoretical and experimental study of fluidization
Porosity and expansion of bed, bubbling
Theoretically determination of the minimum fluidization velocity: Kozeny-Carman and Ergun equation
Experimentally determine the minimum fluidization speed

Study the influence of parameters on fluidization

Bed characteristics:
Particle diameter and density
Bed porosity and height.
Fluid characteristics:
Fluid flow rate and nature

General specifications • Solid-liquid fluidization: glass column, evacuation
jar, support: glass perforated plate, two pressure
• Compressed air feeding circuit: general isolating ports, quick-closing clamp, recovery filter at the
valve, pressure reducing valve isolating valve. outlet.

• Gas-solid fluidization: glass column, evacuation jar, Instrumentation
glass fritted support, two pressure ports, quick- • Air flowmeter.
closing clamp. • Water flowmeter.

• Differential manometer of liquid column, filling
valve, draining valve and scale.

Water
• Water feeding circuit: general isolating valve, float 2000 L / h 2 bar max
flowmeter with setting valve.
Dim: 105 x 55 x 175 cm - 60 kg

54 Fluids & fluidization