Method and system for recovering sensible heat of molten blast furnace slag

The method comprises the following steps that the molten blast furnace slag and a low-temperature medium synchronously enter a heat exchange device, the low-temperature medium makes full direct contact with the molten blast furnace slag in the heat exchange device and gradually absorbs the sensible...

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Bibliographic Details
Main Authors WEI XINMIN, WU HONGXUN, LIU YONG
Format Patent
LanguageChinese
English
Published 23.06.2023
Subjects
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
HEATING
KILNS
LIGHTING
MECHANICAL ENGINEERING
OVENS
RETORTS
WEAPONS
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Summary:The method comprises the following steps that the molten blast furnace slag and a low-temperature medium synchronously enter a heat exchange device, the low-temperature medium makes full direct contact with the molten blast furnace slag in the heat exchange device and gradually absorbs the sensible heat of the molten blast furnace slag to be heated, and meanwhile the molten blast furnace slag is gradually cooled; the molten blast furnace slag after heat exchange is separated from the high-temperature medium body through a separation device, the molten blast furnace slag enters a subsequent treatment device, and the high-temperature medium body enters a heat energy utilization device; according to the molten blast furnace slag sensible heat recovery method provided by the invention, one part of sensible heat of the molten blast furnace slag can be converted into sensible heat of a high-temperature medium body with the temperature of 1300-1400 DEG C, and the sensible heat is high-quality waste heat and can be r
Bibliography:Application Number: CN202310198101