During operation of the device of FIG 1, {TAIL ~ a charge} of {HEAD ~ coal} 11 to be coked is introduced through filling opening 9 into coking chamber 3, which in this embodiment is designed as a cavity or chamber resonator 
During operation of the device of FIG 1 , { TAIL ~ a charge } of { HEAD ~ coal } 11 to be coked is introduced through filling opening 9 into coking chamber 3 , which in this embodiment is designed as a cavity or chamber resonator
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH