Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Steel CorpfiledCriticalNippon Steel Corp
Priority to JP9102776ApriorityCriticalpatent/JPS5316306A/en
Publication of JPS5316306ApublicationCriticalpatent/JPS5316306A/en
PURPOSE: To prevent the stress corrosion cracking of the iron shell in the neighdorhood of the dome of the regenerating chamber or the combustion chamber due to NOx, by blowing in an inert gas of which the oxygen content is below 10π, at the operation with raised pressure of the hot stove for blast furnace.
COPYRIGHT: (C)1978,JPO&Japio
JP9102776A1976-07-301976-07-30Operating method for hot stove
PendingJPS5316306A
(en)