KHD Ball Mill system for grinding of solid fuels designed with the same size gear . KHD Humboldt Wedag . »More detailed. KHD wins an order for a 5000 tpd production line in Brazil. Humboldt Wedag Inc., . Pyrojet LowNox kiln burner and KHD . KHD Ball Mill system for grinding of solid fuels designed with the same size gear drive as for ...