... of enterprises heat supply and power projects. 3 feeder machine is to make coal from the coal bunker ... , transmission, screening, crushing and storage. 4 the coal feeder is composed by rack, backplane ( the coal chute), ... 8Y160M1-8Y160M-6Y200L1-6Power Kw4447.518.5Speed r/min720720720970970Max feed sizemmBelow 10% content250350400500700Above 10% content200300350450550 K-3 Reciprocating feeder machine