THEY ARE TUBULAR EXCHANGERS BUT MUCH MORE COMPLEX THAN THOSE USED IN THE
WINE INDUSTRY, BOTH FOR THE CONTINUOUS CONTROL OF THE .TEMPERATURE BOTH
FOR AUTOMATISMS. THE PARTICULAR SYSTEM OF 4 CONCENTRIC TUBES ALLOWS A HEAT
EXCHANGE WITH HIGH EFFICIENCY AND WITH A TEMPERATURE DIFFERENTIAL BETWEEN
THE PRODUCT AND TO EXCHANGE LIQUID OF EVEN ONE CENTIGRADE DEGREE (1°C).
THE MACHINE CAN BE DESIGNED TO USE A MANUAL OR FULLY AUTOMATIC. IN THIS
CASE THERE IS PROVIDED A STORAGE TANKS WITH LEVEL CONTROL, OF A PUMP (USUALLY
SCREW PUMP 2-4 STAGES MAX PRESSURE 12 OR 24 BAR) WHICH PUSHES THE PRODUCT
FROM THE TANKS IN THE HEAT EXCHANGER WHICH CAN BE OF ONLY HEATING OR MOST
COMMONLY COMPLETE HEATING STOP AND COOLING. THE TEMPERATURE OF THE PRODUCT
BOTH IN HEATING AND COOLING IS ELECTRONICALLY CHECKED AND A 3-WAY VALVE
IN THE OUTPUT OF THE EXCHANGER AUTOMATICALLY DOWNLOAD THE PRODUCT IF THE
PARAMETERS HAVE BEEN MET OTHERWISE THE PRODUCT IS RETURNED TO THE STORAGE
TANKS TO RESUME THE CYCLE. EVEN THE PART OF HEATING AND COOLING ARE AUTOMATICALLY
MANAGED WITH MODULATING STEAM VALVE AND GLYCOL WATER (RESPECTIVELY IN THE
HEATING AND COOLING PHASES) SEE FLOW CHARTS.
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