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RADIOMETRIC CONTROL SYSTEMS FOR REFUSE DISCHARGE IN A JIG

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Abstract

The paper presents the results of industrial investigations on radiometric control systems for refuse discharge from a jig. A new monitoring system based on the monitoring of the natural radiation emitted by the material in the separation zone of a jig compartment has been developed and tested in parallel with the radiometric density meter and the conventional float. The correlation between the separation density monitored by the radiation density meter and the intensity of the natural radiation has been investigated. The correlation coefficient was ca. r = 0.973 and the standard deviation of the measurement in regression with the density meter indications was sc = 0.034 g/cm3. This shows that after a float as a measuring unit in the control system is replaced by a natural radiation monitor, good stabilisation of the separation density can be expected. The paper discusses advantages of such systems over the float based systems. This system can stabilise the desired quality of products without the intervention of an operator.

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References

  1. Bartoniek W, Blaschke W., Glowiak S., SmiejekZ., (2006) Polish Jig—Technological Potentiality. XV International Coal Preparation Congress, Bejing 2006.

    Google Scholar 

  2. Bartelt D. (1962): Regulating jig discharge by means of radio-isotopes. IVth International Coal Preparation Congress, Harrogate 1962.

    Google Scholar 

  3. Bedkowski Z., Sikora T.(2002): The Boss 2000 automatic products discharge unit as a basis for the AS-2000 complex system to control a coal preparation process in air pulsator jigs. XIV International Coal Preparation Congress: 11–15 March 2002, Sandton, South Africa 2002.

    Google Scholar 

  4. Cierpisz S. (2013): Monitoring of a coal separation process in jigs using a radiometric density meter. XVI International Coal Preparation Congress, Istanbul 2013.

    Google Scholar 

  5. Cierpisz S. (2012): Control of coal preparation in jigs. Monograph 403, Silesian University of Technology, 2012 (in Polish).

    Google Scholar 

  6. Diendonne V., Jonkers A., Loveday G. (2006): An approach to confidently predicting jiging performance. The Journal of the South African Institute of Mining and metallurgy, vo. 106, November 2006.

    Google Scholar 

  7. Jonkers A., Lyman G.J., Loveday G.K. (1998): Advances in modeling of stratification in jigs. The XIII ICPC, Brisbane, 1998.

    Google Scholar 

  8. Jonkers A., Cameron P.M. (2000): JigScan ‒ A case study in product research, development and commercialisation. After 2000 ‒ The Future of Mining (Annual Conference). Sydney, NSW, (pp.174-178), 10-12 April 2000, p.174-178.

    Google Scholar 

  9. King R.P. (2001): Modeling & simulation of mineral processing systems. Butterworth-Heinemann, 2001.

    Google Scholar 

  10. Lyman G.J. (1992): Review of jigging principles and control. Coal Preparation, 1992.

    Google Scholar 

  11. Newell K. D., Grisafe D (2004): KGS Open-file report 2004-42, September 2004.

    Google Scholar 

  12. Rog L.(2005): Natural radiation of hard coal and coal density fractions. (Research Report of the Central Mining Institute, Katowice, no.3, 2005 (in Polish).

    Google Scholar 

  13. Sikora T., Smyla J. (2013): Applicationof natural radioactivity measurement in laboratory analyzer Gamma natura. XVII International Coal Preparation Congress, Istanbul, 1- 6 October 2013.

    Google Scholar 

  14. Taylor P.M., Cooke A., Knight C.B. (2013): Natural gamma for the on-line measurement of ash content measurements – 25 years of success. XVII ICPC, Istanbul, 1- 6 October 2013.

    Google Scholar 

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Correspondence to Stanisław Cierpisz .

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Cierpisz, S., Kryca, M., Sobierajski, W. (2016). RADIOMETRIC CONTROL SYSTEMS FOR REFUSE DISCHARGE IN A JIG. In: Litvinenko, V. (eds) XVIII International Coal Preparation Congress. Springer, Cham. https://doi.org/10.1007/978-3-319-40943-6_41

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