INSTRUMENTATION • ELECTRONICS


Coriolis mass flow meters improve marshmallow production


directly affecting product viscosity. Pressure drop, expected maximum and minimum flow rate, and mass flow accuracy directly depend on the temperature.


As a medium-sized marshmallow


production line produces around 20- 25 tons/day final products at a 24/7 production schedule, flow meters must also accurately measure the amount of fluffy mixture. If a mass flow meter is not accurate enough, the process cannot ensure an accurate amount of the final product. Installed on the mixing-aeration tanks that feed the air for fluffy forming, the Tricor Coriolis Mass Flow Meter provides an accurate measurement of marshmallow viscosity at approximately 0.3-0.4% for each cycle, without depending on mounting position or straight pipe length. With accurate flow measurement, operators can check the amount of the final product just at the end of a process before the packing with a weighing system. Without using a Coriolis Mass Flow Meter, the manufacturer previously used at least three weighing systems prior to packing.


As the pump and globe valve on the line is controlled by a PLC using the 4-20 mA output from the Mass Flow Meter, operators can easily change flow rate depending on production. Operators can also quickly reference the total amount in each production cycle to determine the total amount of clean air. In addition, providing greater


LEFT: The Tricor Coriolis Mass Flow Meter provides an accurate measurement of marshmallow viscosity


response than previous instrumentation with greater production accuracy, the Coriolis Mass Flow Meters reduced the cost of production line design and maintenance costs.


iCenta.co.uk - Sales@iCenta.co.uk +44(0)1722 439880 www.engineerlive.com 61


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