Patent ID: 7122099

Claim:
A method for evacuating hot raw gases developing in a coking process in the oven chambers of a coke oven battery, wherein (a) the raw gases are evacuated from the oven chamber at a temperature of from 600° to 1000° C. and admitted into a hot gas collector without lowering the raw gas temperature; (b) the pressure in the oven chambers is measured and controlled by shut-off and throttling devices irrespectively of the level of the pressure in the hot gas collector, said devices being arranged in the hot gas streams between the raw gas outlet of the oven chambers and the hot gas collector, and their position being controlled depending on the pressure measured in the associated oven chamber; (c) the gas from the hot gas collector is supplied to a steam boiler firing system or a fission reactor; and (d) the hot gas collector is operated at a pressure that is reduced versus the atmospheric pressure.