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    • 9. 发明专利
    • PREHEATING OF AIR FOR COMBUSTION IN COKE OVEN
    • JPS608385A
    • 1985-01-17
    • JP11743783
    • 1983-06-29
    • SUMIKIN KAKO KK
    • TAKASE SEIJINODA YASUHIKOSATOU YASUHIRO
    • C10B5/20
    • PURPOSE:To reduce an amount of a heating medium and to miniaturize a device, by connecting heat exchangers equipped with gas-changing valves in series, circulating a heating medium through the circulation system, preheating air for combustion through the heating medium with sensible heat of exhaust gas. CONSTITUTION:The plural gas-changing valves 2 set in the heat-accumulating chamber 1 are equipped with the heat exchangers 3, respectively. Each of the heat exchangers 3 is connected in series by conduit to form the circulation system 5. A heating medium is recycled through the circulation system 5 by the circulating pump 8. The heating medium is subjected to heat exchange with an exhaust gas by the heat exchangers 3 in the gas-changing valves 2 at the exhaust side, the temperature of it is raised, it is subjected to heat exchange with air for combustion by the heat exchangers 3 in the gas-changing valves 2 at the neighboring suction side, air is preheated, and the temperature of it is lowered. The heating medium is recycled through the circulation system 6 with repeating these operation.