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LabPlant SD-06A Spray Dryer
For use specifically with aqueous based solutions.
The LabPlant SD-06A Laboratory Scale Spray Dryer is the result of 30 years of
continuous development in the field of laboratory scale spray drying systems.
The unit is self contained and supplied complete and ready for immediate
operation. All major components are housed within a stainless steel cabinet
and the unit can be used on a bench top or with an optional stainless steel
stand.
The SD-06A only requires connection to a 13 amp, 220/240 V, 50 Hz power
supply (Other Power Requirements Available) and provision for exhausting the
evaporated moisture to atmosphere or to an existing extraction system.
TECHNIQUE
A menu driven microprocessor controller allows the selection of inlet
temperature, airflow, automatic de-blocker frequency and pump speed. The
controller features an RS 232 output for connection to a PC or datalogger and
software allows the control and monitoring of all functions and printing of
results.
The self-priming peristaltic pump delivers the sample liquid from a container
through a small diameter jet into the main chamber. At the same time an
integral compressor pumps air into 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. The exhaust airflow is directed
through a flexible 50 mm diameter hose direct to atmosphere or to an existing
extraction system.
APPLICATIONS
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 following areas:
 Beverages
Flavours and Colourings
Milk and Egg Products
Plant and
Vegetable Extracts
Pharmaceuticals
Heat Sensitive Materials
Plastics
Polymers and Resins
Perfumes
Ceramics and Advanced Materials
Blood
Dyestuffs
Foodstuffs
Adhesives
Oxides
Bones, Teeth and Tooth Amalgam and many others.
Most solutions and suspensions can be spray dried providing that the resulting
product has the characteristics of a solid material.
CONSTRUCTION
A robust chemically resistant 316 grade stainless steel cabinet houses all
mechanical and electrical components necessary to perform the spray drying
process. All clamps and fittings are designed to allow assembly and removal of
the glass components in only a matter of seconds.
The rear of the cabinet includes an inlet filter designed to remove 99.99% of air
laden particles ensuring that the drying air does not include contaminants.
A specially designed stainless steel support stand is available where bench
space or height restrictions are a consideration.
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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-06A is supplied as standard
with 0.5 mm jet and other sizes are available as accessories.
The spray assembly incorporates an automatic de-blocking device that
prevents the jet nozzle from becoming blocked. The de-blocking needle is
activated by an integral compressor.
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.
Using a clear LCD display, which is protected
to IP65, the operator can control the following
functions:
Inlet temperature
Airflow volume
Pump speed
De-blocker frequency
Data Sheet
Manual
Manual
Spray Dryer Range Comparison
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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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