Abstract
The authors presented a short description of two optical devices developed for the analysis of the cross-section of the coal transported by a belt conveyor. Devices applied a laser with a vision camera and infrared distance sensors. The results presented in the paper were collected during field trials at the coal preparation plant. Tested devices were installed near the ash analyzer RODOS-W which uses natural gamma radiation for the ash determination and microwaves for the moisture measurement. The influence on ash and moisture measurements of the changing profile of the coal cross-section on the belt was investigated. Authors discussed advantages and disadvantages of both methods basing on results of field tests and analysed their usefulness for other purposes. The belt conveyor scale installed nearby the ash analyzer provides information about the amount of coal in the measurement zone. The comparison of cross-section area with corresponding scale results was used to check the possibility to develop an optical scale without a strain gauge.
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Kryca, M., Wojtas, P., Kozlowski, A. (2016). Optical analysis of the coal on belt distribution and its use in qualitative and quantitative measurements. In: Litvinenko, V. (eds) XVIII International Coal Preparation Congress. Springer, Cham. https://doi.org/10.1007/978-3-319-40943-6_42
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DOI: https://doi.org/10.1007/978-3-319-40943-6_42
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