Investigation of the blood cooling process cattle
https://doi.org/10.20914/2310-1202-2017-1-11-14
Abstract
Perfection of machinery and technology for the processing of secondary raw materials of the meat industry is a very urgent task. One of the most important methods in the processing of blood of cattle is the effect of low temperatures, used both for preserving blood by freezing, and for its concentration by the method of freezing moisture. In this regard, the article examines the process of cooling the blood of cattle, which allows the most complete assessment of processes and phenomena occurring in the blood under the influence of low temperature. The features of studying the process of temperature reduction based on the main provisions of thermal analysis are considered. As a result of the experiment, the dependences reflecting the nature of the temperature change in the blood sample of cattle and the reference element have been obtained, allowing one to accurately record the features of the phase phenomena observed in this biotechnological environment. It is shown that the crystallization of moisture in the blood, which is a complex multicomponent solution, is due to the presence of eutectic compounds that arise when the temperature is lowered and water is released in the form of pure ice. Guided by the obtained temperature dependences, we obtained informative data on the necessary energy potential for the realization of cooling and freezing processes. The features of the mechanism of ice freezing in the blood under investigation from the point of view of the molecular-kinetic theory of molecular motion are explained. The carried out researches have allowed to define activation energy of processes of crystallization of a moisture in investigated blood of large horned livestock.
About the Authors
S. T. Antipov
Voronezh state university of engineering technologies
Russian Federation
doctor of technical sciences, professor, vice-rector for research and innovation, Revolution Av., 19 Voronezh, 394036, Russia
Russian Federation
doctor of technical sciences, professor, vice-rector for research and innovation, Revolution Av., 19 Voronezh, 394036, Russia
V. Yu. Ovsjannikov
Voronezh state university of engineering technologies
candidate of technical sciences, assistant professor, machines and equipment for food production department, Revolution Av., 19 Voronezh, 394036, Russia
candidate of technical sciences, assistant professor, machines and equipment for food production department, Revolution Av., 19 Voronezh, 394036, Russia
A. A. Korchinskij
Voronezh state university of engineering technologies
graduate student, machines and equipment for food production department, Revolution Av., 19 Voronezh, 394036, Russia
graduate student, machines and equipment for food production department, Revolution Av., 19 Voronezh, 394036, Russia
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Review
For citations:
Antipov S.T., Ovsjannikov V.Yu., Korchinskij A.A. Investigation of the blood cooling process cattle. Proceedings of the Voronezh State University of Engineering Technologies. 2017;79(1):11-14. (In Russ.) https://doi.org/10.20914/2310-1202-2017-1-11-14
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