Damage analysis and assessment of the impact of damage on the operation of supporting structures of oil refining tube furnaces

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Abstract


Relevance. Due to the widespread use in practice, tubular furnaces were chosen as the object of study of this work. The article provides an analysis of damage to the supporting structures of oil refining tubular furnaces. The causes of damage and the physical nature of the development of damage are established. According to the results of field surveys, it was found that about 10% of the furnaces are operated with damage in the form of significant curvature of the supporting structures that developed as a result of the explosion of the gas-air mixture and the technological product inside the furnace space. The aim of the work is to analyze the damage and assess the impact of damage on the operation of the supporting structures of furnaces. Methods. The main research results were obtained by static numerical analysis of spatial models of furnace frameworks in the LIRA-SAPR software package. This complex belongs to the class of software products that implement the finite element method. Results. According to the results of calculating a series of models of structures, the effect of damage on the operation of the supporting structures of the furnace is determined. Based on the analysis of calculation data for models of tube furnaces with damage and comparison of calculation results for furnace models with structural damage identified during the survey, ways to optimize the design decisions of an industrial furnace are determined. Studies have shown the need to improve the design of tube furnaces in the direction of improving technology and improving the structural form of the supporting frame of the furnace.


About the authors

Alexander V. Golikov

Volgograd State Technical University

Author for correspondence.
Email: alexandr_golikov@mail.ru
2 Lenina Ave, Volgograd, 400005, Russian Federation

Cand. Tech. Sci., senior lecturer, Department of Building Structures, Foundations and Reliability of Structures

Dmitry I. Subbotin

Volgograd State Technical University

Email: alexandr_golikov@mail.ru
2 Lenina Ave, Volgograd, 400005, Russian Federation

master student, Department of Building Structures, Foundations and Reliability of Structures

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