Spray Dryers

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Spray Dryers

VetterTec offers spray dryers based on 40 years of experience and 180 references world-wide in the food and chemical industries. The special know-how in the design of the atomizers provides high reliability and a sophisticated solution to give the particle characteristics for the desired application. From pilot plants to industrial units: VetterTec provides a full range of spray drying units and services.

PRINCIPLE OF OPERATION

VetterTec spray dryers are designed to dry liquids to powder by means of an atomizer in a high-efficient range. This very gentle drying is mainly used to dry heat sensitive products.

The atomizer forms the liquid into small droplets before spraying them into a hot air stream, where the major part of the water evaporates in a few seconds. At the end, the dried powder will be separated from the air by a cyclone and/or a filter system. Downstream the dryer can be equipped with fluid beds, coolers and agglomerators, to further condition the powder prior to the packaging unit.

CHARACTERISTICS

The VetterTec spray dryers are individually designed to meet the specific requirements of our customers and offer a high flexibility of design.

Atomization can be provided by centrifugal wheels, rotary atomizers, pressure nozzles or twin-fluid nozzles. This range of systems allows the specific particle size requirements to be met for each application.

Direct or indirect heating systems are supplied depending upon the industry standards for the product. Inlet temperatures may range from 100°C for very heat sensitive products to 750°C for some inert chemicals.

Closed circuit and self-inertized dryers are supplied to allow organic solvents to be dried and to meet the environmental specifications.

Different chamber configurations are used along with a range of residence times to provide the desired particle size and moisture content in the finished powder.

Agglomerated products are produced by using integrated fluid beds, fines recycle systems and external fluid beds. These powders are widely used in the food industries.

SPECIAL FEATURES

Internal fluid bed
External fluid bed
Air brooms
Cleaning in place (CIP)

Fluid bed agglomeration
Product cooling systems
Automatic control system
ATEX requirements

VetterTec is a company with a long standing tradition. Founded in 1930 it started as a custom engineered supplier of equipment and solutions for storage, transport, dewatering and drying in the beer brewing industry. Through the years VetterTec expanded by adapting and further developing drying and dewatering technology for clients in other industries and grew internationally until today successfully serving clients around the world. All driven by our passion for drying.

For more than 90 years the focus and main driver has always been to listen to our customers and markets and develop and improve our designs and service based on the broad experience and know-how of our people. Today VetterTec has the broadest range of drying technologies in its core client industries, from supply of machines to complete systems.

MISSION

Our continuous success is driven by the company's main ambition, stated in its Mission:

“To support our customers in the operation and continuous development of their plants and processes and to secure a future in balance of prosperity, health and environment”

At VetterTec we believe in our responsibility for future generations: health and nutrition for the growing number of people in our world and an environment that is protected and preserved. The means to reach these objectives are sometimes counteracting. They call for compromise to find the right balance and require constant innovation.

VISION

As a consequence, it is VetterTec’s Vision:

“By continuous development of our high-value technologies and services we are the preferred supplier to our clients in our selected industries and applications”

The centre of all past and future development are people. People design, engineer and fabricate VetterTec technologies. People work with and operate VetterTec technologies. People are the final consumers of products that are processed on VetterTec technologies.

We believe and place high value on humanity. Fair treatment, compliance with social standards and legislation, no space for racism of any type and support of the weak and minorities are the shared values of people inside and outside the company. At VetterTec we believe in the support and development of our employees to enable them all to grow their competences and in their roles that result in the main and overall objective: truly satisfied customers.