284-291

Optimization of oil heating process for main pipeline transport

Vladislav A. Naletov ^a, Mikhail B. Glebov ^a

^a Mendeleev Russian of Chemical Technology University, 9 Miusskaya Square, Moscow, 125047, Russian Federation

DOI: 10.28999/2541-9595-2022-12-3-284-291

Abstract: Optimal energy efficiency, the reduction of operating costs and capital costs as well as reducing negative environmental impact are of key importance in crude oil pipeline transport. The paper deals with the issue of optimal design for the oil heating system for main oil supply lines. The solution was obtained based on methods of mathematical modeling, thermodynamics and general systems theory, using the information approach. This study examines a system with a convective furnace that uses recirculation to minimize nitrogen oxide emissions from fuel combustion. The crude oil is heated in a low-temperature process using hot recirculating gases. Thermodynamic analysis revealed that the system has low exergy efficiency. After system analysis based on the macroentropy criteria employed in the information approach (which takes into account process coordination in a system in accordance with the zeroth law of thermodynamics), it was concluded that the recirculation ratio needs to be lowered. As a result, a multifunctional system was designed combining oil heating (with lower temperature difference in comparison with the initial system) and cogeneration while keeping nitrous oxides concentration below the maximum allowed values. The system also does not require additional on-site power generation at main-line oil heating plants.

Keywords: oil heater, crude oil heating, convection furnace, heat & power system, recirculation, exergy, zeroth law of thermodynamics, energy saving

For citation:
Naletov V. A., Glebov M. B. Optimization of oil heating process for main pipeline transport. Science & Technologies: Oil and Oil Products Pipeline Transportation. 2022;12(3):284–291. https://doi.org/10.28999/2541-9595-2022-12-3-284-291

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