Flue gas waste heat recovery system of heat recovery coke oven

The invention relates to a flue gas waste heat recovery system for a heat recovery coke oven, which comprises a heat recovery coke oven, a carbon dioxide boiler, a first discharge chimney, a carbon dioxide turbine, a cooler, a carbon dioxide pressure pump and a carbon dioxide mixer, the carbon dioxi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LIANG FENG, ZHAO GUOFENG, WANG MINGDENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE ENGINE PLANTS IN GENERAL ENGINE PLANTS NOT OTHERWISE PROVIDED FOR ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES FURNACES HEATING KILNS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METHODS OF STEAM GENERATION NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES OVENS RETORTS STEAM ACCUMULATORS STEAM BOILERS STEAM ENGINE PLANTS STEAM ENGINES STEAM GENERATION WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a flue gas waste heat recovery system for a heat recovery coke oven, which comprises a heat recovery coke oven, a carbon dioxide boiler, a first discharge chimney, a carbon dioxide turbine, a cooler, a carbon dioxide pressure pump and a carbon dioxide mixer, the carbon dioxide turbine is sequentially connected with a cooler and a carbon dioxide pressure pump, the carbon dioxide pressure pump is connected with a carbon dioxide boiler, and a carbon dioxide mixer is installed on a pipeline leading to the carbon dioxide turbine from the carbon dioxide boiler. And a branch pipeline connected with the carbon dioxide mixer is arranged on the pipeline connected between the carbon dioxide pressure pump and the carbon dioxide boiler. According to the invention, heat of high-temperature flue gas discharged by the heat recovery coke oven is efficiently recovered, and more electric power is produced; supercritical carbon dioxide serves as a working medium to participate in closed circulation, and