The Bowen "BLSA" Spray Dryer

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A versatile, low cost, yet highly efficient unit, the Bowen "BLSA" Spray Dryer is ideal for a wide range of chemicals foods, flavors, dyes, organics, pigments, and other materials in water-base slurries, solutions emulsions, or suspensions. Inlet drying temperatures range from 150°C to 500°C when using a direct-fired gas heater, evaporative capacity ranges from 15 to 80 pph, depending on inlet/outlet air temperature profile and composition of feed. The Bowen "BLSA" Spray Dryer operates on a co-current "open cycle" drying principle. Atomization is performed by centrifugal wheels or two-fluid nozzles and airflow is rated at 250 acfm at the chamber outlet. Typical particle size range is 30/40 microns. Single point product collection is performed via cyclone separator. The compact unit is constructed of stainless steel. To suit specific requirements, the Bowen "BLSA" Spray Dryer can be optionally equipped with an indirect (steam) or electric air heater, a bag collector, cold air ports, as well as explosion-resistant features. The Bowen "BLSA" Spray Dryer can be purchased or rented, usually from stock, for immediate delivery.

The Bowen "BLSA" Spray Dryer 2-Fluid Nozzle Atomization Co-current Airflow
The Bowen "BLSA" Spray Dryer in a 2-Fluid Nozzle Atomization Co-current Airflow
 Centrifugal Atomization Co-Current Airflow
Centrifugal Atomization Co-Current Airflow

Applications

The Bowen "BLSA" Spray Dryer operates by suspending the feed material in a heated stream of air. The suspended particle technique provides many unique advantages for both product and process. Here is a partial list of materials successfully dried with the Bowen "BLSA" Spray Dryer:

  • Foods
  • Natural Products
  • Polymers
  • Resins
  • Organics

Although the principle use of the Bowen "BLSA" Spray Dryer is spray drying, it can be used efficiently for these other gasborne processes:

  • Reacting
  • Polishing (toners)
  • Congealing
  • Encapsulating

The Company

Bowen Engineering has been providing spray drying systems that meets customer requirements since 1926. Sales, technical service, spare parts and repair shops have been developed with our customers to fulfill the needs of the current industries.

In 1980, Bowen Engineering became a division of GEA Process Engineering Inc. and relocated their offices to Niro's Columbia, Maryland facility. Bowen Engineering now has the support of Niro's worldwide staff of drying experts.

Products which can be dried in a Bowen spray dryer:

  • Dyestuffs
    • Titanium dioxide
    • Cadmium indigo dye
    • Organic pigmets
  • Ceramics
    • Aluminum oxide
    • Sulphide
    • Ferrites
    • Zinc oxide
    • Silicon carbide
    • Silicon
    • Nitride
  • Chemicals
    • Sodium acetate
    • Oxalic acid
    • Calcium gluconate
    • Barium sulphate
    • Catalysts
    • Silicagel
  • Foods
    • Flavors
    • Plant protein
    • Fruit juices
    • Soup mixes
  • Miscellaneous
    • Fodder Yeast
    • Coal
    • Salt
    • Kaolin
    • Fish pulp
    • Synthetic tannin
    • Milk replacer

Support Services

Bowen’s Customer Service Department has been established with the customer in mind. Our service and shop facilities have been designed particularly to keep you downtime to a minimum and your production to a maximum. A complete line of service is available, including spare parts, a machine shop for repairs, fabrication of custom parts, and technical services for mechanical and process trouble shooting.
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