Flow meter for measuring molasses flow
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Dear friends: In our workshop, we use molasses as a raw material to produce alcohol. In the production process, it is necessary to measure the flow rate of materials at each stage. In the past, we used electromagnetic flowmeters to measure the flow rate of molasses, as a means of controlling the ingredients and proportions used in production ； Statistics on raw materials in the production area and inventory area. Here’s the question: An electromagnetic flowmeter measures flow, and its unit of measurement is cubic meters ； Factories use pound scales to purchase molasses, with the unit of measurement being kg ； The specific gravity of the molasses supplied by different sugar mills varies slightly. Therefore, data errors often occur in the production department and the warehouse. Now, the boss emphasizes the accuracy of materials, and we want to measure the weight of molasses. There are two methods for measuring the weight of molasses: one is to add an intermediate pump and a weighing buffer tank ； After being measured in a small tank, it is released into the intermediate buffer tank and then pumped back to the original workshop for use. This solution is popular, but it requires the addition of many small devices such as pumps, weighbridges, intermediate tanks, and buffer tanks. It’s a bit cumbersome. Secondly, I just heard that a flow meter can also be used to accurately measure the weight of molasses. Molasses is a very viscous, dark-colored liquid; I wonder if it’s possible to accurately measure its weight using a flow meter ? I would like to ask for your advice here
A mass flow meter can be used to measure the weight of molasses. A mass flow meter directly outputs the mass flow rate of a material based on parameters such as its density, volumetric flow rate, and temperature. Unlike electromagnetic flowmeters, mass flowmeters measure the weight of the material directly, rather than its volumetric flow rate; therefore, they are suitable for measuring materials with high viscosity, those that tend to crystallize, or those that are prone to deformation, such as molasses. Of course, when selecting a specific mass flow meter, it is necessary to take into account the properties of molasses, such as its density range and temperature range, to ensure the accuracy of the measurements. .
You can ask about Emerson’s Coriolis mass flowmeters of the HighSense series and have a flow calculation report prepared to see whether the measurement accuracy and pressure loss meet the process requirements
Yes. Our process engineer, Brother Yang, said that a Coriolis mass flow meter should be used. I’m writing to ask him again about the specific details
For Koehler Oli mass flow meters, it is first necessary to test the viscosity in the laboratory to determine its value; this is how the syrup produced by COFCO is measured. It is recommended to use a split-type model, as media with high viscosity tend to cause greater vibration
It is recommended to use mass flow meters with strong flow capacity, low risk of clogging, sanitary connections that allow for CIP cleaning, and in single-tube, straight-tube, or slightly curved tube designs :)
It is still necessary to consider the viscosity of the medium and whether the use of a Coriolis flow meter could lead to clogging. The boss emphasizes the accuracy of materials, but there are always errors in measurement, and this needs to be made clear to the boss.
When using a mass flow meter, due to the high viscosity of honey, it is necessary to heat the honey in order to reduce its viscosity and meet the measurement requirements of the mass flow meter; specific details should be discussed with the manufacturer of the mass flow meter.