System for Recovering Waste Heat from High Temperature Molten Blast Furnace Slag

被引：0

作者：

Liu, Junxiang ^{[1
]}

Yu, Qingbo ^{[1
]}

Qin, Qin ^{[1
]}

机构：

[1] Northeastern Univ, SEP Key Lab Ecoind, Shenyang 110819, Liaoning, Peoples R China

来源：

ENERGY TECHNOLOGY 2011: CARBON DIOXIDE AND OTHER GREENHOUSE GAS REDUCTION METALLURGY AND WASTE HEAT RECOVERY | 2011年

关键词：

blast furnace slag; waste heat; rotary cup; granulation; waste heat boiler;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Dry-granulation is a new process of molten blast furnace slag treatment and air is used as heat exchange medium. There are some shortages: poor effectiveness of granulation, high air-slag ratio and high energy consumption, which are the obstacles to popularize dry-granulation. Based on rotary cup atomization, the technique of recovering waste heat of molten blast furnace slag through waste heat boiler producing high pressure steam is exploited. The molten blast furnace slag is granulated to uniform small slag granules with high temperature, and slag granules pour into the waste heat boiler. It could produce steam, obtained in first row and second row tubes, when descending velocity of slag granules equaled 1. lmm/s and the Reynolds number equaled 7100. The application of the system for recovering waste heat from high temperature molten blast furnace slag has a significant meaning.

引用

页码：85 / 93

页数：9

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