Milk Cooling Tank Manufacturers
Connect with verified milk cooling tank manufacturers on Towobo. Source farm-level bulk milk coolers, insulated milk silo tanks, and direct expansion or ice bank milk cooling vessels for farm, collection centre, and dairy plant applications.
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Rapid cooling of raw milk after milking is one of the most critical steps in preserving milk quality. Milk leaves the udder at body temperature (~37°C); bacterial growth is very rapid at this temperature. Cooling milk to 4°C within 2 hours of milking inhibits bacterial growth and preserves raw milk quality for the duration of collection. At farm level, bulk milk coolers (direct expansion stainless steel vessels with an integral refrigeration compressor and agitator) are the standard. Milk is pumped directly from the milking parlour into the cooler; the refrigeration system cools the milk rapidly to 4°C and maintains it at that temperature until collection. At village milk collection centres, smaller insulated milk cans or jacketed cooling vessels (with ice or chilled water) may be used where electrical power for refrigeration compressors is limited. At the dairy plant, large insulated silo tanks (typically 10,000–100,000 litres) store incoming milk at 4°C before processing. All milk-contact surfaces must be stainless steel 316L, with CIP connections for daily cleaning.
Frequently asked questions
How long can raw milk be stored at 4°C before processing?
Raw milk collected and cooled promptly to 4°C can typically be held for 48–72 hours before processing without significant quality deterioration, depending on the initial bacterial count of the milk. Lower initial bacterial counts (achieved by good milking hygiene) allow longer storage; higher initial counts accelerate quality deterioration even at 4°C. Most dairy processors aim to process incoming milk within 24–48 hours of receipt. Milk quality on receipt should be tested (platform tests: alcohol test, titratable acidity, bacterial count) before acceptance — milk that fails the quality threshold should be rejected regardless of cooling history.