RESEARCH ARTICLE


Heat Loss Test and Estimate for the Large-scale Floating Roof Tank



Jian Zhao*, Hang Dong, Li Xin Wei, Yang Liu
No.199 Fazhanrd, Sdertu, Daqing, P.R. China, Postcard: 163318.


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© 2015 Zhao et al.;

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Correspondence: * Address correspondence to this author at the No.199 Fazhanrd, Sdertu, Daqing, P.R. China, Postcard: 163318.


Abstract

The heat loss and surface temperature of the top surface and sidewall of large-scale floating roof tank is tested by the heat flow meter and surface temperature method. Based on the test data, the heat loss from the top surface is about twice more than that of the sidewall which means the top surface is the weakest insulation part of the floating roof tank. On the surface, the heat loss profile is in accord with the surface temperature distribution. Special attention is given on the calculation of thermal conductivity for the top surface and sidewall which finally deduced the total heat transfer coefficient of large floating roof tank. Moreover, the heat loss of floating roof tank in different working conditions is predicted. According to the calculation results, the level of 6m is regarded as a critical level determining the heat loss. And the centralization storage of oil is a more energy conservation storage pattern.

Keywords: Floating roof tank, heat loss, test, total heat transfer coefficient.