A byproduct coke oven having two outer zones in the heating system and one
double inner zone. In this oven, the gas is alternately burned upwards in the
two outer zones with the products of combustion being carried down through the
double inner zone and, on reversal, burned upwards in the double inner zone
with the products of combustion being carried down through the two outer zones.
Known as a double-divided oven. Camp
Source:
Dictionary of Mining, Mineral, and Related Terms