Scientific and technical journal

«Automation and Informatization of the fuel and energy complex»

ISSN 0132-2222

Automation and Informatization of the fuel and energy complex
Improving the efficiency of mathematical models movement of a separated system in filtering centrifuges rotors of various designs with account of their energy characteristics

UDC: 66.067.57:66.012.37
DOI: 10.33285/2782-604X-2022-5(586)-49-55

Authors:

KHABIBULLIN MARAT YA.1,
KHABIBULLIN ARSEN M.1

1 Ufa State Petroleum Technological University, Oktyabrsky, Russian Federation

Keywords: moment, dependence, drive, energy characteristics, rotation frequency

Annotation:

Currently, tubular centrifuges and filter centrifuges with screw discharge of sediment, which are distinguished by high separation factors, are widely used at many facilities of the oil and gas complex to separate persistent liquid inhomogeneous systems. Increase of the reliability and durability, efficiency and productivity as well as the efficiency of centrifuges requires obtaining and studying their energy characteristics. The article proposes to consider the mechanisms of motion of the system being divided in the rotors of filtering centrifuges of various designs on the basis of their energy characteristics. Also, based on the results of experimental studies, a new mathematical model of the separated system movement in the rotors of filtering centrifuges with centrifugal and screw discharge of the sediment with thin-layer filtration of suspensions with a medium-grained solid phase and a volume concentration of less than 60 %. The proposed model of the separated system movement in a conical rotor allows determining the length of the pressure filtration zone and calculating the process parameters that ensure the presence of a sediment zone in the rotor and also determine the duration of the sediment stay in the rotor, knowing which, it is possible to calculate the moisture content of the resulting sediment by using the known formulas.

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