_{Dairy Milk Processing Plant
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Final powder milk products for reference only.

we can make the final milk powder product according to your demand.

General Flowsheet of powdered milk products
The first stage in the production of condensed or powdered milk is the concentration of the raw milk. Homogenized milk is usually
concentrated with evaporators. Falling film evaporators are generally used followed by a drying step using a spray dryer. Doubling
of the concentration of milk and whey is common. The powder is typically agglomerated to improve reconstitution. Dry whole milk is
susceptible to oxidative rancidity and may be packaged in a protective atmosphere to extend its shelf-life.



* Two-stage drying in milk powder production: 
a) Description of the technology:After the milk has been thickened from 11% to 50-60% dry matter in an evaporator, the condensed
milk may further be dried to 95-97% dry matter content. Spray driers or roller driers are used in milk powder processing. Although
roller driers may be found in the dairy sector and are sometimes useful for specialized products, spray driers with downstream or
integrated FBD's have become more common. This is due to their low energy usage, primarly dust-free product, and due to their
reduced thermal stress.A spray drying process using a FBD is also called two-stage drying. Figure 4 shows a two-stage drying
process carried out by using a spray drier with a rotary atomizer and a separate external FBD. The outlet air is filtered by a CIP
filter, which consists of a tubular filter without cyclone.When using two-stage drying, lower residual product moisture with less
harm to product quality as well as more efficient energy utilization can be achieved. The solids leave the spray with 3-5%
residual moisture. The final drying step takes place under mild conditions with low energy usage.

Two-stage powder drying tower:
powdered milk drying and spray tower











If you need a free technology support and proposal or processing flow chart, Contact with us soon.