APPARATUS FOR WASTE HEAT RECOVERY OF FURNACE SLAG

PURPOSE: A waste heat recovery system for blast furnace slag is provided to recover and reuse waste heat produced while cooling blast furnace slag, thereby reducing hot-water supply costs. CONSTITUTION: A waste heat recovery system for blast furnace slag comprises a cooling spray unit(30), a waste h...

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Bibliographische Detailangaben
Hauptverfasser:	OH, JAE WON, BAE, DAE HO, CHO, SANG JAE, KIM, SI YONG, KIM, DEOK RYEOL
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	CHEMISTRY MANUFACTURE OF IRON OR STEEL METALLURGY METALLURGY OF IRON
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	PURPOSE: A waste heat recovery system for blast furnace slag is provided to recover and reuse waste heat produced while cooling blast furnace slag, thereby reducing hot-water supply costs. CONSTITUTION: A waste heat recovery system for blast furnace slag comprises a cooling spray unit(30), a waste heat exchanger(40), a guide pipe(70), a main spray unit(80), and a control unit(60). The cooling spray unit sprays cooling water to blast furnace slag supplied to a housing part in order to cool the blast furnace slag. The waste heat exchanger is installed on the upper side of the cooling spray unit and exchanges heat with the blast furnace slag. The guide pipe guides air passing through the waste heat exchanger to a storage tank provided on the outer side of the housing part. The main spray unit sprays dustproof water to the guide pipe in order to remove foreign materials from the air. The control unit controls the operations of the cooling spray unit and the main spray unit.