The utility model discloses a smoke-proof feeding system for LF furnace, which mainly comprises a water-cooled furnace cover, a smoke exhaust pipe and a charging component. The water-cooled furnace cover is positioned directly above the molten steel tank, and the top side of the water-cooled furnace cover is provided with an exhaust port connected with a dust removal pipe; the top side of the water-cooled furnace cover is provided with a feeding port, which is connected with the smoke exhaust pipe, and the smoke exhaust pipe is vertically arranged. The upper end of the feeding component passes through the roof of the workshop, and the outlet of the feeding component is connected with the smoke exhaust pipe. The beneficial effect of the utility model is as follows: by adding a smoke exhaust pipe, the feeding chute is connected with the water-cooled furnace cover through the smoke exhaust pipe, and by utilizing the smoke exhaust force and smoke exhaust capacity of the smoke exhaust pipe, the high temperature smoke generated in the process of molten steel refining can be effectively avoided from escaping to the upper end of the feeding chute to burn the rubber belt of the feeding belt machine, thereby improving the service life of the equipment and ensuring normal production.
【技术实现步骤摘要】
一种可防烟的LF炉加料系统
本技术属于冶金行业炼钢精炼领域,具体涉及一种可防烟的LF炉加料系统。
技术介绍
LF(LadleFurnace)炉具有加热升温的作用,并能准确控制钢水温度、成分微调、均匀钢水成分与温度、脱硫、脱氧、改变夹杂物形态、去除夹杂物、协调转炉与连铸机之间的生产,提高连铸机的连浇率等冶金功能,因此,其作为一种常用的炼钢精炼设备,被广泛应用于炼钢车间。LF炉顶配置加料系统,由于加料溜管上端由加料皮带机落料点连通,加料溜管下端与水冷炉盖上加料孔直接连通,导致钢水精炼过程中产生的部分高温烟气(烟气温度250℃)上窜至加料溜管上端,易烧毁加料皮带机的橡胶皮带,影响LF炉的正常生产。目前多采用以下几种方式解决橡胶皮带易被高温烟气烧毁的问题:1、加料溜管上设置氮封装置;2、加料溜管上设置自重式翻板阀;3、加料溜管上设置插板阀。但是上述三种方法均存在各自的弊端,加料溜管设置氮封装置存在无法完全封住氮气上窜,威胁现场工作人员不安全;加料溜管设置自重式翻板阀存在要求安装角度严格,否则翻板阀卡阻影响熔剂下料;加料溜管设置插板阀存在高温气体下插板阀容易变形造成卡阻,影 ...
【技术保护点】
1.一种可防烟的LF炉加料系统,其特征在于,主要包括水冷炉盖、排烟管道和加料组件,所述水冷炉盖设于钢水罐的正上方,水冷炉盖的顶部一侧设有与除尘管道连通的排气口;所述水冷炉盖的顶部另一侧设有加料口,加料口与排烟管道连通,排烟管道竖直布置且其上端穿出厂房屋顶;所述加料组件的出口与排烟管道连通。
【技术特征摘要】
1.一种可防烟的LF炉加料系统,其特征在于,主要包括水冷炉盖、排烟管道和加料组件,所述水冷炉盖设于钢水罐的正上方,水冷炉盖的顶部一侧设有与除尘管道连通的排气口;所述水冷炉盖的顶部另一侧设有加料口,加料口与排烟管道连通,排烟管道竖直布置且其上端穿出厂房屋顶;所述加料组件的出口与排烟管道连通。2.如权利要求1所述的可防烟的LF炉加料系统,其特征在于,所述加料组件包括依次自上而下布置的料仓、称量斗、加料皮带机和加料溜管,料仓的出口位于称量斗的入口正上方,所述称量斗的出口位于加料皮带机上料端的上方,所述加料皮带机的下料端与加料溜管的入口连通,加料溜管的出口与排烟管道连通。3.如...
【专利技术属性】
技术研发人员:欧洪林,李伟坚,许海虹,王少强,
申请(专利权)人:中冶南方工程技术有限公司,
类型:新型
国别省市:湖北,42
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