Parameters and fractional composition of bulk materials
Abstract
In the processes of processing and production of products, a person deals with materials of various aggregate states - liquids, gases, solid and bulk substances. The design of processes of technological processing is based on the mutual influence of the properties of materials and the design of equipment that implements the goal of technological transformation. For the listed materials, traditional methods of calculating the design and technological parameters of plants are used in practice. However, characterizing the category of "bulk material", it is often understood that this is an array of particles possessing the same nature. Examples of materials of this type can be: grain cereals and their processed products, starch, sugar, salt, etc. The field of application of such products is agriculture, food industry, etc. Processes where the processing object is bulk materials or their mixtures (compositions containing two or more components in a certain ratio) can be named: transportation, dosing, mixing, pressing, heat and mass transfer, and many others used in human activity. The article presents the main parameters and the fractional composition of bulk materials used in food industrial processing and food production.
Keywords
bulk material,
property,
angle of slope,
coefficient of friction,
particle,
density,
form,
size,
parameter
About the Authors
Z. V. Lovkis
RUE “Scientific and Practical Centre for Foodstuffs of the National Academy of Sciences of Belarus”
Belarus
Belarus
Lovkis Zenon Valentinovich – Honored Science Worker of the Republic of Belarus, corresponding member of the National Academy of Science of Belarus, Doctor of Engineering sciences, Professor, General Director
29, Kozlova str., 220037, Minsk
A. I. Grigel
RUE “Scientific and Practical Centre for Foodstuffs of the National Academy of Sciences of Belarus”
Belarus
Belarus
Grigel Alexey Iosifovich – engineer of the certification, metrology and quality systems
29, Kozlova str., 220037, Minsk
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Review
For citations:
Lovkis Z.V., Grigel A.I. Parameters and fractional composition of bulk materials. Food Industry: Science and Technology. 2018;11(4):94-103. (In Russ.)
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