The invention provides a regenerated magnesia spinel dry vibration material, which comprises the following components according to the vibration percentage: 40 60% waste magnesia spinel brick recycles granular material, its critical granularity range is 3 0.1 mm, 10 20% fused magnesia granular, its critical granularity range is 1 0.1 mm, 5 10% waste magnesia spinel brick recycles fine powder. Its fineness is less than 0.088 mm, 15 30% fused magnesia fine powder, its fineness is less than 0.088 mm, 0.3 1% boric acid, 1 5% alumina fine powder, its fineness is less than 0.032 mm, 3 4% solid phenolic resin powder, 0.3 0.8% urotrope; in which the waste magnesia spinel brick recycles granules and the waste magnesia spinel brick recycles fine powder through the following processes METHODS: Magnesium spinel waste bricks recovered from the market were selected, impurities were picked out, impurities on the surface of the waste bricks were stripped, and then water was discharged by baking. Particles and fine powders of the required size were processed according to the crushing equipment for refractory production.
【技术实现步骤摘要】
一种再生型镁尖晶石质干式振动料及其制备方法
本专利技术属于耐火材料制造领域,尤其涉及到到一种耐火废弃物回收利用到炼钢用中间包的工作层。
技术介绍
水泥窑炉在大修时每年产生大量的废弃耐材,这些耐材大都未能得到良好的处理和利用,甚至出现污染环境的情况。其中镁尖晶石质砖在用后一直没能得到重视和再生利用,造成了不小的浪费。另外镁尖晶石砖在用后仍具有耐压强度高、热震稳定性好、抗热蠕变性能好、抗侵蚀和渗透能力、荷重软化温度高的特点,所以用于炼钢浇注用中间包工作衬成为可能。目前废弃原料市场中大量囤积了镁尖晶石废砖,价格只有几百元不等,与中包用主要原料烧结镁砂、电熔镁砂比较具有一千到几千元的价格差距空间,但在耐火指标方面,不含碳、含硅较低,无硫、无磷等影响钢水杂质,耐火度与镁砂接近,而且部分性能还要突出。
技术实现思路
本专利技术利用回收再生后的镁尖晶石砖颗粒,并磨制部分细粉与部分烧结镁砂配合,重新设计和制造出一种再生型镁尖晶石干式振动料。本专利技术提供一种再生型镁尖晶石质干式振动料,该振动料按振动百分比计包括如下组份:40-60%废镁尖晶石砖回收颗粒料,其临界粒度范围3-0.1mm,10-20%电熔镁砂颗粒,其临界粒度范围1-0.1mm,5-10%废镁尖晶石砖回收细粉,其细度≤0.088mm,15-30%电熔镁砂细粉,其细度≤0.088mm,0.3-1%硼酸,1-5%氧化铝微粉,其细度≤0.032mm,3-4%固体酚醛树脂粉,0.3-0.8%乌洛托品;其中,所述废镁尖晶石砖回收颗粒料和废镁尖晶石砖回收细粉经过以下方法得到:将从市场上回收的镁尖晶石废砖进行拣选,拣选出杂物,剥 ...
【技术保护点】
1.一种再生型镁尖晶石质干式振动料,其特征在于:该振动料按重量百分比计包括如下组份:40‑60%废镁尖晶石砖回收颗粒料,其临界粒度范围3‑0.1mm,10‑20%电熔镁砂颗粒,其临界粒度范围1‑0.1mm,5‑10%废镁尖晶石砖回收细粉,其细度≤0.088mm,15‑30%电熔镁砂细粉,其细度≤0.088mm,0.3‑1%硼酸,1‑5%氧化铝微粉,其细度≤0.032mm,3‑4%固体酚醛树脂粉,0.3‑0.8%乌洛托品;其中,所述废镁尖晶石砖回收颗粒料和废镁尖晶石砖回收细粉经过以下方法得到:将从市场上回收的镁尖晶石废砖进行拣选,拣选出杂物,剥除废砖表面的杂质,然后经过烘烤排出水分,按照耐火材料生产用的破粉碎设备加工出所需粒度的颗粒和细粉备用。
【技术特征摘要】
1.一种再生型镁尖晶石质干式振动料,其特征在于:该振动料按重量百分比计包括如下组份:40-60%废镁尖晶石砖回收颗粒料,其临界粒度范围3-0.1mm,10-20%电熔镁砂颗粒,其临界粒度范围1-0.1mm,5-10%废镁尖晶石砖回收细粉,其细度≤0.088mm,15-30%电熔镁砂细粉,其细度≤0.088mm,0.3-1%硼酸,1-5%氧化铝微粉,其细度≤0.032mm,3-4%固体酚醛树脂粉,0.3-0.8%乌洛托品;其中,所述废镁尖晶石砖回收颗粒料和废镁尖晶石砖回收细粉经过以下方法得到:将从市场上回收的镁尖晶石废砖进行拣选,拣选出杂物,剥除废砖表面的杂质,然后经过烘烤排出水分,按照耐火材料生产用的破粉碎设备加工出所需粒度的颗粒和细粉备用。2.根据权利要求1所述的再生型镁尖晶石质干式振动料,其特征在于:所述的废镁尖晶石砖回收颗粒料中氧化镁的含量62±2%,氧化铝的含量8±2%。3.根据权利要求1所述的再生型镁尖晶石质干式振动料,其特征在于:所述的电熔...
【专利技术属性】
技术研发人员:岳文鹏,常德世,
申请(专利权)人:德清凯瑞新材料有限公司,
类型:发明
国别省市:浙江,33
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