The cleaning time for individual cooling circuits can, and should, vary, given that each duct usually has a different diameter, geometry and length, which affects the pressure drops generated and the cleaning time. Therefore, the method of setting the same cleaning time for all circuits, which is used by manufacturers of cooling duct cleaning equipment, is highly inaccurate. Assuming that all ducts will be equally clean after the same cleaning time is simply wishful thinking, which is far from the actual condition of cooling ducts.
COOLINGCARE CA2 and CA6 are the only machines that allow the user to define a reference value for flow expenditure that serves as a benchmark for future cleaning. On a new tool, the machine operator measures the flow expenditures of each channel and stores the values in a database. When the mold comes back for cleaning, the operator defines a target percentage of the original flow rate to be achieved. The machine then monitors the flow expenditure When the desired flow expenditure is reached, the cleaning process ends, and the operator is informed by a text message sent to his phone number. In the case of an old tool, the machine operator selects the "clean to stable result" option. The machine will measure the expenditure of each circuit at equal intervals, creating a curve showing a gradual increase in flow. At some point, the curve will begin to take the shape of a straight line, indicating that the maximum flow expenditure has been reached. When successive results are similar, the machine stops the cleaning process and informs the operator via text message that the cleaning is complete. The operator can then save the flow rate as a reference for the future.
