Modeling of filtration processes using materials with capillary properties
DOI:
https://doi.org/10.15587/1729-4061.2012.5603Keywords:
dehydration, capillary, mathematical model, solid particles, phase separationAbstract
Nowadays, the separation processes of solid and liquid phases are widely used in all industries. They differ by significant material and power losses. The application of the solid phase of materials with capillary properties in dehydration allows you to design simple, effective and low-cost equipment. Based on the new approach to the filtering process using materials with capillary properties, we developed its mathematical model and calculated the necessary mathematical dependences.
Since the accumulation of solid particles at the opening of capillaries is accompanied by intense decrease of filtering speed, the process model is based on conditions that prevent such accumulation. Based on the balance of forces effecting the solid particles in the form of a ball in a moving medium of fluid, we calculated the dependence of the liquid phase speed from the other process parameters. The dependence describes the conditions under which solid particles will hang in the fluid medium without falling on the working surface of the capillary filter. On the other hand, the speed of the liquid phase in the working volume of the filter is determined by the difference of liquid levels at its bottoms. The comparison of both dependencies for the speed of fluid allows us to connect the permissible speed of the liquid phase with external parameters that cause it. The results of the research could be used in various industries and community facilities, where there is a need to separate the solid and liquid phases. The dependences suggested allow you to calculate important parameters of filters with capillary material and to determine the parameters of their use to ensure continued efficient operationReferences
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Copyright (c) 2014 В’ячеслав Михайлович Радовенчик, Людмила Вікторівна Сіренко, Ярослав В’ячеславович Радовенчик, Анастасія Олегівна Костриця
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