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Ever wonder how milk powder is processed? Would you believe that process indirect air heaters are used to process milk? This presentation provides a diagram of where the heaters are used in production and an explanation of why indirect fired air heaters are used over direct fired air heaters.
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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
Thank you!
Website: www.stelterbrinck.comTwitter: @stelterbrinckPhone: 1-513-367-9300
Check out S&B’s Blog Post: http://www.stelterbrinck.com/blog/indirect-air-heater-used-in-milk-processing/
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