We know that bulk density is an important indicator for evaluating the quality of wheat. Wheat bulk density needs to be measured in many fields such as wheat acquisition. For more convenient and accurate measurement of bulk density, modern instrumentation is widely used, that is, using electronic bulk density. The measurement principle is to use a volumetric cylinder with an exhaust enthalpy to evenly distribute the sample to be tested in the bulk density cylinder, and then to inspect the mass per unit volume of the sample to be tested. In addition, with the development of the instrument, the use of electronic bulk density measurement is more and more accurate, more and more simple, and it satisfies the needs of modern practical inspection work.
Using the electronic bulk density measurement and analysis, it is found that after harvesting, the bulk density will gradually increase with time. This is because the wheat is not hard at the early stage of harvest, the endosperm is not hard, the impurity content is high, and the bulk density is low. As time goes by, the moisture of wheat is gradually getting smaller, the hardness of endosperm is increased, and the application of various types of mechanical equipment greatly reduces the impurity content and increases the bulk density.
It can be seen that wheat bulk density is related to many factors, including wheat moisture, wheat plumpness and impurities mixed in wheat. Therefore, in order to accurately determine the wheat bulk density value, it is not just the correct use of the instrument. Before, it is necessary to complete the sample preparation work, use the grain selection screen to screen the sample, and then use the sample divider to divide the sample. Finally, the prepared sample is measured by the electronic bulk density to measure the bulk density. The resulting bulk density result is true and effective. of.
Generally speaking, wheat with low bulk density is mostly in different shapes. Of course, the quality of wheat is not high. Wheat with high bulk density, because of small void size, almost the same size, not only high quality, but also easy to process, high powder yield, so in the production of flour, many flour manufacturers will also use electronic bulk density to measure wheat. The bulk density of the original grain is used to strengthen the quality management of the original grain.
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