Standard Test Method for Tumbler Test for Coke
Coke undergoes various degrees of degradation during removal from coke ovens, transportation, and its decent within a blast furnace to the combustion zone. These processes subject the coke to impact and abrasion. This test method is a relative measure of the resistance of coke to breakage when subjected to these degradation processes.
1.1 This test method describes a procedure for obtaining a relative measure of the resistance to degradation of coke by impact and abrasion.
1.2 Standard Procedure—This procedure uses a coke sample sized to -75 mm (-3 in.) and +50 mm (+2 in.).
1.3 Alternative Procedure—This procedure using coke sized 50% of 63 by 50 mm (2 1/2 by 2 in.) and 50% of 50 by 37.5 mm (2 by 1 1/2 in.).
1.4 The values stated in SI units shall be regarded as standard. Inch-pound units shall be accepted on an equivalent basis.
1.5 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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