... adjustable feeding 4.ISO9001:2000 Summary 1 K-4 Reciprocating feeder. ISO9001:2000 certificate 2 Applicable to coal handling link ... evenly download, transmission, screening, crushing and storage. 4 the coal feeder is composed by rack, backplane ( the coal chute), transmission ... platform, hopper gates, rollers, etc. 5 the feeder can be devided into two kinds ,one is with hopper ...