The utility model relates to an iron ore suspension preheating pre reduction device, which belongs to an iron smelting device. The preheat reduction device for iron ore suspension preheating includes the feeding machine, the suspension preheating device, the roaster and the suspension device; the output end of the feeder is connected with the feeding end of the suspension preheating device, the discharging end of the suspension preheating device is connected with the feeding end of the roaster, and the discharge end of the calciner is connected with the feeding end of the suspension device. The iron ore powder material is sent to the suspension preheating device by the feeding machine. After the stage by step preheating, it enters the baking furnace for roasting and prereducing, and then enters the last stage suspension device, and the hot material is injected into the melting reduction furnace for melting and smelting. The suspension preheating device uses parallel air flow and mixed flow of cross flow to achieve multiple heat exchange. After the heat transfer of the suspended preheating device and the material, the exhaust gas of the roaster is discharged after the waste heat generation and the material is dried. The device realizes the technology of suspension preheating, suspension roasting pre reduction, waste heat utilization, material saving and waste gas treatment.
【技术实现步骤摘要】
一种铁矿流态化悬浮预热预还原装置
本技术涉及一种铁矿冶炼装置,具体涉及一种铁矿流态化悬浮预热预还原装置。
技术介绍
我国铁矿冶炼技术大部分采用传统的高炉炼铁技术。而传统的高炉炼铁配料中要使用高比例的焦煤,高炉炼铁中焦化和焙烧会产生相关联的环境排放问题,高炉炼铁存在高能耗、重污染等缺点,焦煤的价格也是高炉炼铁工艺存在的问题,据估算2070年以后我国的焦煤资源面临枯竭,传统的高炉炼铁工艺将无法进行正常生产。
技术实现思路
为克服现有技术中的缺陷,本技术提供一种能够降低能耗,清洁生产的铁矿流态化悬浮预热预还原装置。为了解决现有技术的问题,本技术采用如下技术方案:悬浮预热预还原装置包括:上料机、悬浮预热装置、焙烧炉、悬浮装置;上料机的输出端与悬浮预热装置的入料端连接,悬浮预热装置的出料端与焙烧炉的入料端连接,焙烧炉的出料端与悬浮装置的入料端连接。所述的悬浮预热装置不少于两级,每一级悬浮预热装置由两个悬浮装置构成。所述的悬浮装置包括:旋风分离器、内筒、换热管道和下料管;在旋风分离器上端内连接有内筒,内筒伸入至旋风分离器内;在旋风分离器的下端连接有下料管;在旋风分离器的上部的侧面连接 ...
【技术保护点】
1.一种铁矿流态化悬浮预热预还原装置,其特征在于:悬浮预热预还原装置包括:上料机、悬浮预热装置、焙烧炉、悬浮装置;上料机的输出端与悬浮预热装置的入料端连接,悬浮预热装置的出料端与焙烧炉的入料端连接,焙烧炉的出料端与悬浮装置的入料端连接。
【技术特征摘要】
1.一种铁矿流态化悬浮预热预还原装置,其特征在于:悬浮预热预还原装置包括:上料机、悬浮预热装置、焙烧炉、悬浮装置;上料机的输出端与悬浮预热装置的入料端连接,悬浮预热装置的出料端与焙烧炉的入料端连接,焙烧炉的出料端与悬浮装置的入料端连接。2.根据权利要求书1所述的铁矿流态化悬浮预热预还原装置,其特征在于:所述的悬浮预热装置不少于两级,每一级悬浮预热装置由两个悬浮装置构成。3.根据权...
【专利技术属性】
技术研发人员:张宏建,刘刚,王兆平,王士军,李梦,
申请(专利权)人:徐州贝克福尔节能环保技术有限公司,
类型:新型
国别省市:江苏,32
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