Improvement of Parameters for the Multi-Functional Oil-Gas Separator of “HEATER-TREATER” Type

Улучшение параметров многофункционального газо-нефтяного сепаратора типа «Heater-Treater»
Oleksandr Liaposhchenko, Ivan Pavlenko, Vitalii Ivanov, Мaryna Demianenko, Oleksandr Starynskyi, Ivan Kuric, Oleg Khukhryanskiy
2019-04-01

CFD model of porous mediumHEATER-TREATER oil-gas separatorgas-liquid hydrocarbon separationheating, separation, and dehydration processesviscous resistance coefficient (porous medium)
This The article deals with the modeling of separation processes in a multifunctional oil-gas separator of “HEATER-TREATER” type, which allow effectively separating a gas-liquid hydrocarbon mixture into separate components by the combination of different methods of separation (processes of heating, separation, and dehydration). The engineering technique for design calculation of sections of the device is developed considering the main factors influencing the separation process and determines the optimal hydrodynamic and structural parameters. The method of testing the hypothesis of increasing the parameters of linear motion for the mixture in the apparatus more than 2.0-2.5 times is proposed by using CFD model of the porous medium. This approach is aimed at reducing finite volume grid, which contains a significant number of elements. According to this technique, it is necessary to determine the related constant (which contains in viscous coefficient of resistance) separately for each type of plate according to the results of the numerical experiment. For the less laborious and consumptive determination of the constants, the proposed approach should be based on the results a numerical experiment.
1
A CFD porous-medium model is proposed to test the hypothesis that linear mixture motion parameters can be increased by more than 2.0–2.5 times in the apparatus.
2
A modeling approach for separation processes in a multifunctional HEATER-TREATER oil-gas separator combines heating, separation, and dehydration to effectively separate gas-liquid hydrocarbon mixtures.
3
An engineering design calculation technique was developed to determine optimal hydrodynamic and structural parameters of device sections considering main factors influencing separation.
4
The method requires determining a related constant in the viscous resistance coefficient separately for each plate type based on numerical experiments to ensure accuracy.
5
Using the porous-medium CFD approach reduces the finite-volume grid size and associated computational elements compared to full-detail models.

Multifunctional oil-gas separator of the HEATER-TREATER type

Modeling and optimization of separation processes and hydrodynamic/structural parameters (including increased linear motion parameters and porous-medium CFD-derived viscous resistance coefficients) for improved gas-liquid hydrocarbon separation, heating, separation, and dehydration performance

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2019-04-01
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Oleksandr Liaposhchenko
Ivan Pavlenko
Vitalii Ivanov
Мaryna Demianenko
Oleksandr Starynskyi
Ivan Kuric
Oleg Khukhryanskiy
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