«Proceedings of Gubkin University»

Analysis of consequences of explosion of gas-air mixture in tank at gas chemical plant

UDC: 66.074.3
DOI: -

Authors:

¹ Moscow State University of Civil Engineering (National Research University), Moscow, Russian Federation
² National University of Oil and Gas “Gubkin University”, Moscow, Russian Federation

Keywords: hazardous production facility, gas chemical plant, accident, explosion, deflagration, detonation, blast wave, dynamic load, industrial safety

Annotation:

The purpose of the research is to evaluate the dynamic parameters of the explosive load that occurs during an emergency explosion of a gas-air mixture in the RV-10 tank of the pyrolysis unit of the gas chemical plant. The article considers two scenarios for the development of the accident – detonation and deflagration explosions – and compares the results of calculations using various methods. Special attention is paid to the effect of flame velocity, energy potential and blast wave on buildings and structures. It is shown that the use of conservative (detonation) models leads to a significant overestimation of the destructive consequences, while a more realistic simulation of a deflagration explosion allows to obtain reasonable and safe estimates of fire risks. At the same time, it is noted that if using a conservative method of estimating the parameters of explosive loads at a production facility ensures the safety of people, buildings and structures, there is no need for more accurate and time-consuming calculations. The data obtained can be used in the development of industrial safety declarations and the design of protective measures at hazardous production facilities of the oil and gas complex.

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