Hazardous area classification for in flammable liquid storage tanks

Tugyi, Levente and Siménfalvi, Zoltán and Szepesi L., Gábor and Kerekes, Zoltán (2023) Hazardous area classification for in flammable liquid storage tanks. MULTIDISZCIPLINÁRIS TUDOMÁNYOK: A MISKOLCI EGYETEM KÖZLEMÉNYE, 13 (2). pp. 116-134. ISSN 2062-9737

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Abstract

Many chemical plants use flammable liquids as raw materials or produce them. In both cases, the flammable medium is most likely need to be stored. One option is to use storage tanks. Currently, in Hungary, the fire and explosion protection requirements for upright cylindrical steeltanks are laid down in MSZ 9910-2:1993 standard and for horizontal cylindrical steeltanks in MSZ 9909-3:1998, supplemented by the MSZ 15633 series of standards. These standards have not changed in the last 30 years and have not followed the innovations in the field, unlike NFPA 497:2021; NFPA 59A:2023; API RP 505:2018; Area Classification Code for Installations Handling Flammable Fluids Part 15:2005 (IP 15); Health and Safety Executive (HSE) HSG 176 Storage of flammable liquid in tanks, 2nd edition:2015 and EIC 6007910-1:2008 standard. The aim of this study is to compare the conclusions of these standards and to propose a new standard that could be applied in Hungary.

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