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Development of a model to determine the degradation of coal during handling by conveyor

journal contribution
posted on 06.12.2017, 00:00 by Ratikanta SahooRatikanta Sahoo
Coal from the South Blackwater and Ensham collieries is exported from the port of Gladstone in Queensland, Australia to the Jindal COREX ironmaking plant in India. This research was commissioned by the Gladstone Port Authority (GPA) because of the strict particle size requirements for the COREX steel making process. The COREX process cannot tolerate coal particle sizes below 16 mm. The paper describes a series of drop tests onto steel plate conducted during the development of a degradation model for South Blackwater and Ensham coal, to assist in reducing fines production during handling. The cushioning effects of fines reduce overall coal degradation during handling at port handling circuits. Higher percentage fines have significant cushioning effects than lower fined coal samples. The cushioning effects of fines on coal surfaces have minimum effect compared to conveyor and steel surfaces.The degradation model developed was effective at predicting fines generation for coals at drop heights of 5 and 10 m and for multiple drops. The model results indicate that the test sample mass and initial fines content have a significant effect on the test results.

Funding

Category 1 - Australian Competitive Grants (this includes ARC, NHMRC)

History

Volume

99

Issue

1097

Start Page

1

End Page

6

Number of Pages

6

ISSN

1718-4169

Location

Canada

Publisher

Canadian Institute of Mining & Metallurgy

Language

en-aus

Peer Reviewed

Yes

Open Access

No

Era Eligible

Yes

Journal

CIM bulletin.