Zpravodaj Hnědé uhlí 2011, 51(3)

Change of pressings strength due to air humidity and thermal shock

RNDr. Ing. Josef Valeš, Jaroslav Kusý, Ing. Lukáš Anděl
Výzkumný ústav pro hnědé uhlí a.s., Most

The paper describes the procedure which can detect moisture absorption in pressings. Changes of moisture values were determined in dependence on experiment edge conditions, i.e. relative humidity and temperature of the environment. Furthermore, the influence of water content in a pressing (moisture absorption, desiccation) on the change of its strength as well as a quick way of determining the strength of a pressing by a manual tester AK-14-E were tested in the experiment.

Keywords: moisture absorption in pressings, strength determination, thermal shock

Published: September 1, 2011  Show citation

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Valeš, J., Kusý, J., & Anděl, L. (2011). Change of pressings strength due to air humidity and thermal shock. Brown Coal Bulletin, 51(3), 
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