Niro is synonymous with efficient falling film evaporators for the concentration of heat sensitive dairy products. Niro utilizes a design concept that make it possible for the falling-film evaporators to operate with low temperature differentials. The free-standing design, in combination with longer tubes and wrap-around separators, reduces floor space requirements and building costs.
The Niro name is synonymous with efficient falling film evaporators, designed with special care to meet a wide variety of specifications and duties of the final dairy products.
Having installed hundreds of units world-wide during the last decade, Niro has acquired substantial experience and know-how to meet customer requirements.
In the early eighties evaporator design primarily focused on producing bulk dairy products by concentrating milk and milk by-products at highest energy efficiency and at the lowest cost. Often several of the functional properties of the products were neglected.
During the late eighties and nineties the industry came to the conclusion that the future lay in specialized production to meet customer specifications.
Essential elements to obtain savings included energy, increased continuous running times without decrease in product quality, reduction of product losses, and CIP costs.
Niro faced the new challenge, knowing that many of the fundamental properties of a powder depended on the heating system of the evaporator.
Today, modern evaporators for the dairy industry feature items such as,
- Adjustable and controllable direct contact heat treatment units
- Shortest possible residence time
- Special design to prevent bacteriological growth including thermophiles
- Special design of liquid distribution systems to ensure correct tube coverage.
- Extended tube length
- Efficient design of separators
Niro has developed leading technologies based on the Laguilharre concepts. The 21st century dairy evaporator can produce concentrates to a wide variety of specifications and duties to accommodate additional processing in the spray dryer or in other processes.
This is achieved by stable operation during long uninterrupted runs without excessive fouling or product losses and with negligible bacteriological growth.
All installations are designed to optimize energy consumption, functional specifications, and capacities as well as capital costs.
Evaporators and ancillary equipment are manufactured in fabrication facilities all over the world.
Installation, commissioning, and control systems are supervised by Niro technical- and process engineers.
Design Features
Niro dairy evaporators produce heat-sensitive products using design concepts that make it possible to operate with low temperature differentials. The ability to utilize long tubes, and hence more heating surface per tube, ensures optimal tube coverage, reduced residence time, better thermal efficiency, long production runs, and short CIP times. The Niro evaporator is designed in a fully welded construction to meet sanitary standards.
Read more about falling film evaporators.
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