Scrap steel preheating device adopting double preheating furnaces

The invention discloses a scrap steel preheating device adopting double preheating furnaces. The steel scrap preheating device (1) is based on a converter flue gas treatment pipeline system and comprises a first preheating furnace (11) and a second preheating furnace (12), and the first preheating f...

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Bibliographische Detailangaben
Hauptverfasser:	ZHOU MINGXI, TANG HONGLE, ZHANG GUORI, WANG MINGYUE, CHEN GUOJUN
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 FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL HEATING KILNS LIGHTING MECHANICAL ENGINEERING OPEN SINTERING OR LIKE APPARATUS OVENS RETORTS WEAPONS
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Beschreibung
Zusammenfassung:	The invention discloses a scrap steel preheating device adopting double preheating furnaces. The steel scrap preheating device (1) is based on a converter flue gas treatment pipeline system and comprises a first preheating furnace (11) and a second preheating furnace (12), and the first preheating furnace is located above the second preheating furnace; the first preheating furnace comprises a first furnace body (111), a first upper furnace cover (113), a first lower furnace cover (114) and a first fuel gas combustion device, a combustion flue gas outlet of the first fuel gas combustion device is communicated with an inner side hearth at the lower part of the first furnace body, and converter flue gas is introduced into a fuel gas inlet; the second preheating furnace comprises a second furnace body (121), a second upper furnace cover (123), a second lower furnace cover (124) and a second fuel gas combustion device, a combustion flue gas outlet of the second fuel gas combustion device is communicated with an in