Titan has published a white paper (link via the download whitepaper button) on the use of ultrasonic flowmeters in high-speed batching. Here the focus is on the general batching system. Five key considerations are discussed when choosing a flow meter that will ensure your batching process runs smoothly.
Probably the most recognized batch filling system is that of beverages, either directly into a glass or into bottles. But batching systems are also integral to the pharmaceutical and medical, and chemical and oil industries. Additive injection or chemical dosing are typical applications where flow meters are used to precisely control the amount of liquid dispensed, which is critical in such processes.
Multiple uncertainties can change the amount of liquid being dispensed, causing a negative effect on the repeatability of the system. Controlling as many process variables as possible will help to ensure the accuracy and repeatability of flow measurement. Flowmeters, such as Titans’ mini turbines, can boast repeatability of 0.1% or better when operating under the same conditions.
The choice of flowmeter may be limited by the properties of the liquid – whether it is viscous, volatile, corrosive, flammable, or contaminated with particles, for example. An oval gear flowmeter would be ideal for batch-dosing high-viscosity liquids such as syrups, whereas a turbine flow device, such as Titan’s 800-series flowmeters, are more appropriate for water and beer dispensing.
Changes in flow rate, temperature and pressure may cause the flow meter to function in an unpredictable dynamic way. Although maintaining operating parameters at a stable point is optimal, this may not always be possible and fluctuating flow rates for example, can be compensated for by using a higher specification measuring device, such as Titans’ Atrato® ultrasonic flowmeter.
Keeping the overall flow constant and avoiding any pulsations within the batching system will prevent aliasing and incorrect flow readings over the batch operating cycle. If pulsation is inherent, the choice of flowmeter is crucial in mitigating the effects of pulsating flow.
Simple adjustments to the batch system design, such as control value specification and the positioning of the flow meter, can help to offset the effects of inertia.
Choosing the correct flow meter for a batch system can be complex thus Titan Enterprises can help you find the best flow meter solution for your process and plant.
Graduated in political sciences and international relations in Paris, Anis joined the team in early 2019. Editor for IEN Europe and the new digital magazine AI IEN, he is a new tech enthusiast. Also passionate about sports, music, cultures and languages.
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