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以热流强度取代水温差监控炉缸受蚀状况,则更为全面和科学.热流强度能对炉缸受蚀状况做出准确的估量,以便采取正确和有效的防护措施.本文根据首钢高炉情况,提出了监控炉缸受蚀状况的热流强度报警值(18.6kW/m~2)和临界值(21～22kW/m~2),以及目前能测到的炉缸烧穿前的热流强度值(～40kW/m~2).
Heat flow intensity instead of water temperature monitoring hearth furnace corrosion status is more comprehensive and scientific.Heat flow intensity can accurately estimate the furnace hearth erosion in order to take the correct and effective protection measures.Based on the situation of Shougang blast furnace, The heat flow intensity alarm value (18.6kW / m ~ 2) and critical value (21 ~ 22kW / m ~ 2) were put forward to monitor the corrosion status of the hearth and the current value of the heat flux ~ 40kW / m ~ 2).