Double-circulation suspension calcination decarburization system

The invention provides a double-circulation suspension calcination decarburization system which comprises a suspension calcination device, a coal gas circulation loop and a coal gas circulation pump, and the suspension calcination device comprises a feed port, a flue gas outlet and a first discharge...

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Bibliographische Detailangaben
Hauptverfasser: LI JIANWEN, BAI JIACHENG, HAN KEMING, XI YULIN, GUO BIN, LI GUOLIN, ZHAO LIQIN, ZHANG YONGHUI, HAN ZHEN, AI QIANG, LI KUIRAN
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention provides a double-circulation suspension calcination decarburization system which comprises a suspension calcination device, a coal gas circulation loop and a coal gas circulation pump, and the suspension calcination device comprises a feed port, a flue gas outlet and a first discharge port; the coal gas circulation loop comprises a dry distillation preheating device, a reduction cooling device and a coal gas dust remover, a first discharge port of the suspension calcining device is connected with the reduction cooling device through a first material flow pipeline, the dry distillation preheating device is connected with the reduction cooling device and the coal gas dust remover, and the dry distillation preheating device comprises a second discharge port; the second discharging hole is connected with a feeding hole of the suspension calcining device through a second material flow pipeline; a coal gas discharge port of the coal gas dust remover is connected with the coal gas circulating pump thr