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I would like to ask everyone: I use alcohol in the production of molasses here. High-concentration molasses, after dilution to 60 degrees Bézier, is fed into Fermentation Tank #1, while low-concentration molasses, after dilution to around 20 degrees Bézier, is fed into Fermentation Tank #2. 1. Now, I want to install 2 flow meters before the material enters the tank to measure the flow rate there; what type of flow meters should be used? 2. I have an electromagnetic flow meter on the main pipe before it enters the distillation tower, which can measure the concentration of fermentation broth at 12 degrees Baume. I wonder if electromagnetic flowmeters can be used for high-concentration and low-concentration fluids
It’s very simple: provide the parameters to the manufacturer, and they will give you the best response!
It should be possible, but it is advisable to use capacitive electromagnetic flowmeters; such flowmeters do not have electrodes in direct contact with the fluid, so there is no need to worry about electrode contamination. At the same time, the flow meter underwear is made of ceramic, offering high temperature resistance and high cleanliness.
You have already used the electromagnetic flowmeter successfully; just keep using it going forward. An electromagnetic flowmeter can be used as long as the medium is conductive. The relationship with concentration isn’t very strong.
For high-precision flow measurement, a mass flow meter should be used, provided that the viscosity of the medium is taken into account (to determine whether it will accumulate in the measurement pipeline), as well as the range of pipe diameters. If an electromagnetic flowmeter is used, it is sufficient to check whether the conductivity of the medium flowing through it is greater than 20 μs/cm; if it is, then measurement can be carried out normally. Of course, the stability of flowmeters varies among different manufacturers – those made in China certainly differ from those produced by the four major companies.
Thank you all for your answers. I plan to choose one of Tianjin Xuner Instrument Factory or Shanghai Automation Instrument Factory to use. I checked it on site and the electromagnetic flowmeter should work.
The kind of electromagnet that my buddy is talking about – where can I find it? I want to take a look
Capacitive electromagnetic flowmeters are too expensive~ The Tianjin Xuner models mentioned earlier are quite good, as are those from Zhejiang Diyuan. Since there were no issues using electromagnetic flowmeters on the main pipes in the past, it means that these devices can conduct electricity and thus be used for measurement. As long as conductivity is maintained, electromagnetic flowmeters remain a good choice; their performance isn’t really affected by the concentration of the fluid