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高风温是现代老化房的重要技术特征

发?#38469;?#38388;:2018-12-12人气:104

高风温是现代老化房的重要技术特征。提高风温是增加喷煤量、降低焦比、降低生产成本的主要技术措施。近几年,国内钢铁企业高炉的热风温度逐年升高,2007年重点企业热风温度比上年提高25℃。特别是新建设的一批大高炉(大于2000立方米)热风温度均超过1200℃,达?#28966;?#38469;先进水平。如2002年后,首钢技术改造或新建高炉的热风温度均实现高于1200℃的目标。

High wind temperature is an important technical feature of modern aging houses. Increasing air temperature is the main technical measure to increase coal injection, reduce coke ratio and reduce production cost. In recent years, the hot blast temperature of blast furnaces in domestic iron and steel enterprises has been increasing year by year. In 2007, the hot blast temperature of key enterprises increased by 25 C compared with the previous year. Especially, the hot air temperature of newly constructed large blast furnaces (more than 2000 cubic meters) is over 1200 C, reaching the international advanced level. For example, after 2002, the hot blast temperature of Shougang's technical renovation or new blast furnace has reached the target of higher than 1200 C.

老化房是为高炉加热鼓风的设备,是现代高炉不可缺少的重要组成部分。提高风温可以通过提高煤气热值、优化老化房及送风管道结构、预热煤气和助燃空气、改善老化房操作等技术措施来实现。理论研究和生产实践表明,采用优化的老化房结构、提高老化房热效率、延长老化房寿命是提高风温的?#34892;?#36884;径。

Aging room is a heating and blast equipment for blast furnace, and it is an indispensable and important part of modern blast furnace. The improvement of air temperature can be achieved by increasing the calorific value of gas, optimizing the structure of aging room and air supply pipeline, preheating gas and combustion-supporting air, and improving the operation of aging room. Theoretical research and production practice show that optimizing the structure of aging room, improving the thermal efficiency of aging room and prolonging the life of aging room are effective ways to improve wind temperature. 

?#37327;?#25972;理!转载请注明来自 http://www.opaqk.club/show.asp?id=104

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