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LabPlant SD-Basic Spray Dryer
A simple and effective laboratory scale spray dryer for product research
The SD-Basic spray dryer is designed to enable initial product trials and
evaluation to be carried out quickly and efficiently.
The unit is supplied with a complete glassware set comprising main drying
chamber, cyclone, sample collection and waste collection bottles, clamps,
seals and all necessary tubing.
A self-priming peristaltic pump delivers
the liquid sample from a container
through a small diameter jet into the
main chamber. At the same time
compressed air* enters the outer tube
of the jet which causes the liquid to
emerge as a fine atomised spray into
the drying chamber.
Heated air is blown through the main
chamber evaporating the liquid content
of the atomised spray. The solid
particles of the material, which are
normally in a free flowing state,
are then separated from the exhaust air
flow by a cyclone and collected in the
sample collection bottle.
airflow is directed through a flexible 50
mm diameter hose direct to atmosphere
or to an existing extraction system.
Spray drying can be used in a wide
range of applications where the
production of a free-flowing powder
sample is required. This technique has
successfully processed materials in the
Food and Drink - Flavours and
Colourings - Milk and Egg Products
Pharmaceuticals - Polymers and
Resins - Perfumes - Ceramics and
Advanced Materials - Soaps and
Detergents - Dyestuffs - Adhesives and
The chemically resistant painted
housing includes the blower, heater and
the controls for inlet temperature and
pump speed. The drying air volume is
fixed at 70m3/hr.
The unit requires but is not supplied
with an external compressor*.
All clamps and fittings are designed to
allow assembly and removal of the glass components in only a matter
of seconds and the rear of the
cabinet includes an inlet filter
ensuring that the drying air does
not include contaminants.
Spray Dryer Range Comparison
TWO FLUID NOZZLE
The stainless steel spray assembly
consists of an inner tube for the liquid
sample leading to a small diameter jet.
An outer tube directs the supply of
compressed air to the nozzle and the
close tolerance gap between the nozzle
and the jet ensures a fine vaporised
spray. The SD-Basic is supplied as
standard with 0.5 mm jet and other
sizes are available as accessories.
The spray assembly incorporates a
manual de-blocking device that
prevents the jet nozzle from becoming
blocked. De-blocking is sometimes
necessary with materials which may
solidify or when large particles in
suspension cause blockages in the jet.
CONTROLS AND FUNCTIONALITY
The unit is designed to ensure that all
functions are simple to select and
adjust, to quickly achieve the optimum
conditions for Spray Drying.
digital controller allows selection of the
inlet temperature and a rotary knob
controls the pump speed. A digital
display of the outlet temperature is also
Please note - Product designs and specifications are subject to change without notice. The user is responsible for determining the suitability of this product.
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