摘要 |
A mineral breaker (10) including a row of side-by-side breaker drum assemblies (30) having racially projecting breaker teeth (38). The row includes at least four breaker drum assemblies (30) arranged to define an inner pair (DB) of adjacent breaker drum assemblies (30a) located in-between a pair of outer breaker drum assemblies. The inner pair of breaker drum assemblies (30a) defines therebetween a mineral deposit region (DM) for receiving mineral in-flow. The breaker drum assemblies (30a) of said inner pair (DB) of breaker drum assemblies being rotated in opposite directions such that, in use, breaker teeth (38) on each of said inner breaker drum assemblies (30a) act upon mineral being deposited in said deposit region (DM) to cause agitation of the deposited mineral in-flow in order to encourage undersized mineral to pass therebetween whilst preventing oversized mineral passing therebetween. Each breaker drum assembly (30a) of said inner pair (DB) of breaker drum assemblies acting upon oversized mineral in the material in-flow to cause the oversized mineral to be moved outwardly towards a respective one of said outer breaker drum assemblies.
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