J. For. Sci., 2013, 59(3):101-106 | DOI: 10.17221/27/2012-JFS

Study of briquette properties at their long-time storageOriginal Paper

M. Brožek
Faculty of Engineering, Czech University of Life Sciences Prague, Prague, Czech Republic

The paper presents the results of laboratory tests aimed at the study of storage place, storage manner and storage time in relation to mechanical properties of briquettes made from spruce shavings. A BrikStar 50 briquetting press with a pressure chamber 65 mm in diameter of the Briklis firm was used for the briquette production. All briquettes were made at the constant adjustment of all parameters of the briquetting press. The briquette properties were evaluated by determination of their density and rupture force. Moreover, mechanical durability, gross calorific value, total mois­ture and ash content were determined. It follows from the results of tests that at briquette storage in a well closed plastic bag neither place nor storage time influenced significantly their life time. At briquette storage in a net plastic bag various intensive damage to briquettes occurred, mainly depending on their storage place and storage time.

Keywords: spruce shavings; gross calorific value; density; rupture force; moisture content

Published: March 31, 2013  Show citation

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Brožek M. Study of briquette properties at their long-time storage. J. For. Sci. 2013;59(3):101-106. doi: 10.17221/27/2012-JFS.
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