Aggregates cooling for cold water
When low concrete temperatures ≤ 16 ºC are required at the outlet of the mixer, a technique used in cooling of the aggregates by flooding in silos or in isolated conveyor belts flooded with cold sprayed water.
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Description
The technique of flooding the aggregates in silos using chilled water at 1 ºC or 2 ºC, allows to cool the aggregates from 4 ºC to 6 ºC in an interval of 2 – 20 minutes depending on their size. Aggregates are loaded, flooded, cooled and drained. Drainage water containing sand and mud sediments must pass through a setting system before recirculating it to the cold water cooling plant.
Our cooling plants are equipped with “falling film“ evaporators in stainless steel AISI-304 that allows to cool the water to 1 ºC without freezing problems and they are also easy to clean externally.
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