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俄罗斯国立冶金工厂设计院(现改为股份制)开发的小型化炉渣粒化新系统在图拉钢铁公司集团的3号高炉上投产已经两年。此新粒化工艺包括渣的机械破碎,破碎渣粒在水中的暂短冷却,脱水,烘干及排出等操作环节。主要设备有:接自高炉出铁场的供渣槽,叶轮式粒化装置,冷却及脱水箱(含沉淀池),出料机及循环水系统。由于采用全新技术方案,即用机械方法使渣粒化及利用筒式脱水器里的余热使粒化的渣干燥,此新式粒化系统可降低电耗到2.2kWh/t渣,减少压缩空气用量到10m~3/min。同时由于设备平面尺寸较小及埋入深
The new mini-slag granulation system developed by Russia’s National Metallurgical Factory Design Institute (now renamed the joint-stock system) has been in operation for three years at the No. 3 blast furnace at the Tula Steel Group. The new granulation process includes mechanical crushing of slag, short cooling of crushed slag in water, dehydration, drying and discharging. The main equipment is: from the blast furnace slag supply slot, impeller granulation device, cooling and dewatering tank (including sedimentation tanks), the discharge machine and the circulating water system. This new granulation system reduces electricity consumption to 2.2 kWh / t slag and reduces the amount of compressed air thanks to a new technical solution that uses mechanical means to granulate the slag and to dry the granulated slag with residual heat from the cartridge dehydrator To 10m ~ 3 / min. At the same time due to the smaller size of the device plane and buried deep