Stelter & Brinck

Since 1956

Indirect Air Heaters Used forMilk Powder Processing

Stelter & Brinck

Since 1956

Milk Powder Processing

• Milk powder is manufactured by removing the water through evaporation.

• Powdered milk will have the same taste, smell, and nutritional content of the milk it is being processed with.

• Powdered milk is used in formula, candies, and baking goods.

Indirect Air Heater

Stelter & Brinck

Since 1956

Indirect Air Heater

This diagram shows the steps necessary to turn milk into a powder form.

Stelter & Brinck

Since 1956

Indirect Fired Air Heaters Indirect Air Heater

• As you saw from the diagram heat enters the process via the dryers.

• Spray dryers and fluid bed dryers use indirect fired air heaters as their heat source when processing milk.

Stelter & Brinck

Since 1956

Why Indirect Fired? Indirect Air Heater • Indirect air heaters must be utilized due to the

sensitivity of milk. – The burner is fired into a heat exchanger, rather than the

combustion chamber, and the air is heated indirectly. – The by-products of combustion do not come into contact with

the milk.

Stelter & Brinck

Since 1956

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