From the shaft furnace the devolatilized coke is water quenched and {HEAD ~ steam} produced in the quencher is mixed with {TAIL ~ downdrafted gases} from said furnace to cool the same and prevent premature combustion 
is mixed with
From the shaft furnace the devolatilized coke is water quenched and { HEAD ~ steam } produced in the quencher is mixed with { TAIL ~ downdrafted gases } from said furnace to cool the same and prevent premature combustion
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH