Electromagnetic flowmeter in the application of aseptic filling

Aseptic filling system with its inherent advantages, in the food, beverage, pharmaceutical and other industries to get more and more widely used. Aseptic filling system requirements for use in the filling of quantitative control has changed, some professional filling purposes flowmeter into the filling application areas, this dynamic online measurement and control methods bring new challenges, the use of not only need to consider the installation and use of electromagnetic flowmeter itself, but also comprehensive consideration of the flowmeter integrated in the system and the other parts of the mutual influence of the flowmeter.

1.Requirements for aseptic filling systems

• （1）Easy to clean and sterilise;
• （2）High yield and short cycle time;
• （3）High accuracy and repeatability;
• （4）Low consumption and wastage;
• （5）Fast handling of different product fillings and different batch sizes;
• （6）High level of transparency on product and product quality factors;
• （7）No maintenance or easy to repair.

2.Design features for aseptic filling

• （1）The simplicity of the machine;
• （2）Smooth surface, no bump, no dead space, good airtight sealing;
• （3）Smooth drainage with no standing water;
• （4）The closure should be good to prevent outside microorganisms from penetrating deeper;
• （5）Selection of appropriate materials that are resistant to high temperatures and chemical corrosion;
• （6）Automated CIP (Cleaning In Place) / SIP (Sterilisation In Place);
• （7）Regular maintenance of critical equipment;
• （8）Delineation of production areas, aseptic and non-aseptic, segregation and control of materials, people, etc. in production areas.

Filling quantitative control in the various sub-systems, filling quantitative control system is one of the most central system, the entire filling machine filling speed and accuracy is often determined by the performance of the system. The key components of the filling quantitative control system include flow meter, controller and valve. The measurement of the filling quantity is completed by the flowmeter, which can quickly and accurately measure the fluid flow in the connecting pipeline of the filling head and upload the signal to the controller, which controls the start/stop of the filling valves according to the set ration, in order to achieve accurate filling.

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