The invention belongs to the technical field of iron and steel metallurgy, and discloses a channel type induction heating steel packaging device and heating method, which is used for heating molten steel in ladle and reducing temperature drop of molten steel in iron and steel production. The device includes ladle, ladle cover, iron core, coil, water-cooled or air-cooled device; a channel is arranged in the middle of the ladle, which can pass through the side wall of the ladle horizontally or through the center of the ladle vertically; the iron core passes through the channel and surrounds one side of the ladle; the coil is wound around the iron core outside the ladle, whose axis is perpendicular to the axis of the iron core, and the coil is connected with the water-cooled or air-cooled device. \u3002 The heating methods are: (1) transporting the ladle to the refining or pouring position; (2) opening the water-cooled or air-cooled device to cool the coil so as to prevent the coil from overheating during subsequent electrification; (3) introducing alternating current into the coil to generate alternating magnetic flux in the iron core, in which the current is 1-10000 A and the frequency is 1-10000 Hz; (4) stopping electrification and closing the water-cooled or air-cooled device after refining or pouring. Enter the next process.
【技术实现步骤摘要】
一种通道式感应加热钢包装置及加热方法
本专利技术属于钢铁冶金
,具体涉及一种通道式感应加热钢包装置及加热方法。
技术介绍
作为炼钢生产的主要工具,钢包往往用于盛放钢液并进行精炼和浇注。钢包保温性能的好坏直接影响转炉出钢温度、炉外精炼和浇铸过程,并最终对钢铁产品的质量造成影响。因此,如何对钢包中钢液进行保温、减少钢液温降,引起了冶金工作者的高度重视。目前,常见的钢包加热方法主要包括电弧加热法、化学热法、燃料燃烧加热法、电阻加热法等。虽然电弧加热法应用较多,但是该方法对电极的性能要求太高、电弧距钢包内衬的距离太近、包衬寿命短、常压下电弧加热时钢液容易吸气等,都是电弧加热法难以解决的问题。化学热法利用氧枪向钢包中吹入氧气,与加入钢液中的铝、硅等发热剂发生氧化反应,进而产生化学热,但是发热剂的加入往往引起钢液中生成较多的夹杂物,影响钢液质量。利用矿物燃料燃烧发热作为热源加热钢包的方法称为燃料燃烧加热法。然而,燃烧的氧化性火焰、燃烧产生的大量烟气不利于炉外精炼时的还原性气氛以及真空精炼环境,而且火焰预热钢包时会使其内衬耐火材料处于氧化、还原的反复交替作用,从而使内衬寿 ...
【技术保护点】
1.一种通道式感应加热钢包装置,其特征在于,包括钢包、铁芯、线圈、水冷或空冷装置;所述钢包中间沿径向开设通道;铁芯为闭合环状结构,依次穿过通道和线圈中心,线圈轴线与钢包轴线垂直,线圈与水冷或空冷装置相连。
【技术特征摘要】
1.一种通道式感应加热钢包装置,其特征在于,包括钢包、铁芯、线圈、水冷或空冷装置;所述钢包中间沿径向开设通道;铁芯为闭合环状结构,依次穿过通道和线圈中心,线圈轴线与钢包轴线垂直,线圈与水冷或空冷装置相连。2.权利要求1所述的一种通道式感应加热钢包装置,其特征在于,所述通道沿钢包中间轴向开设,线圈轴线与钢包轴线平行。3.根据权利要求1或2所述通道式感应加热钢包装置,其特征在于,通道口相接的钢壳上,沿浸渍管外壳径向圆周设有一周的切缝。4.根据权利要求1或2所述的通道式感应加热钢包,其特征在于,所述铁芯的材质为高导磁率的软磁材料,且铁芯与通道之间的空隙由耐火材料填充固定。5.根据权利要求3所述的通道式感应加热钢包,其特征在于,所述铁芯的材质为高导磁率的软磁材料,且铁芯与通道之间的空隙由...
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