Efficiency of the dedusting of flue gases of the technological processes is reached at the expense of the new constructive solution of the cyclonic device in which possibility of the regulation of its geometrical parameters depending on properties and characteristics of the air-and-coal environment is provided. Results of pilot studies are presented, the engineering calculation procedure and a choice of the sizes of such devices is developed

Patterns of velocity and pressure field formation inside the cyclone apparatus have been revealed. Also, the standard k-turbulence model for the study of aerodynamic processes in centrifugal dust collectors has been adapted A high degree of adequacy of the results is shown. Using the proposed model, taking into account vortex air flow processes forming the velocity and pressure fields in the body of cyclone apparatuses are described.

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