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Quotes - Engineering - SalesDairy Processing
Pasteurizing, Cooling and Whey Duty
Dairy is the market Mueller is best known in, and the equipment reflects it. Pasteurizing, product cooling, whey concentration support, CIP heating and cold water supply are all covered by the same two technologies.
Pasteurizing. Regeneration, heating and cooling sections in a single frame, with the pressure differential rule keeping pasteurized product above raw product at all times. Regeneration efficiency is where the operating cost sits.
Protein burn-on. Run length between cleans follows surface temperature. A closer approach lets a cooler medium do the same job, which is frequently the single change that doubles run time on a dairy pasteurizer.
Whey and by-products. Higher solids, more fouling and often higher viscosity. Free-Flow plates and generous cleaning access matter more here than on fluid milk.
Typical Specification
- Typical duty: Pasteurizing, product cooling, whey, CIP heating
- Product contact: Type 316 stainless
- Frames: Type 304 stainless, unpainted
- Sections: Regeneration, heating and cooling in one frame
- Pressure rule: Pasteurized side held above raw side
- Fouling mechanism: Protein burn-on at the heating surface
- Particulates: Free-Flow plate where solids are present
- Cleaning: CIP, with frame opening for inspection
- Cold water: Falling film chiller for near-freezing supply
- Farm side: Pre-cooling before the bulk tank
Common FAQs
Protein denaturation and burn-on at the heating surface, which depends on the surface temperature rather than the bulk temperature. Lowering the medium temperature and adding plate area usually lengthens run time considerably.
So any leak in regeneration flows from pasteurized into raw rather than the reverse. It is a regulatory requirement, and it constrains pump placement and valve arrangement across the whole system.
Yes, separated by connector grids. It saves space, piping and cost against three separate exchangers and is the normal arrangement on HTST systems.
Higher fouling and often higher viscosity. The Free-Flow plate handles solids-bearing streams, and generous cleaning access matters more than on fluid milk.
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