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Pneumatic classification of slack coal

โœ Scribed by Derek M. Rees; Peter A. Toynbee

Publisher
Elsevier Science
Year
1973
Tongue
English
Weight
261 KB
Volume
52
Category
Article
ISSN
0016-2361

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โœฆ Synopsis

The removal of fines from small grades of subbituminous coal improves the performance of these coals in stoker firing. In the preparation of these industrial slack grades in New Zealand, there is no need for washing and the coals are relatively dry. Pneumatic classification has therefore been investigated on a semi-commercial scale with the objective of effecting a separation at a particle size of about 2.5 mm. The work has shown that relatively high efficiencies of size separation can be achieved. The results are applied to the design of commercial equipment.

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