Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Method for recycling waste magnesia carbon bricks
The invention discloses a method for recycling waste magnesia carbon bricks. The method comprises the following steps: removing steel facing surfaces of the waste magnesia carbon bricks; the method comprises the following steps: crushing the waste magnesia carbon bricks into particles with the specification of 0-5mm, and removing iron in the particles; soaking the crushed particles in water for 24-48 hours; adding an alcohol compound, mixing and grinding for 15-30 minutes, and ageing for more than 1 hour; oxidizing the waste magnesia carbon bricks subjected to ageing treatment in an oxygen atmosphere at the temperature of 1250-1350 DEG C for 50-90 minutes; the accumulation of the waste magnesia carbon bricks is reduced, the prepared fused magnesite is effectively recycled, the problem of shortage of fused magnesite resources is solved, and the mining quantity of magnesium resources is also saved.
本发明公开了一种废镁碳砖再利用的方法，包括以下步骤：将废镁碳砖的迎钢面剔除；废镁碳砖破碎成规格为0‑5毫米的碎粒，且除去其中的铁；将碎粒用水浸泡24‑48小时；加入醇类化合物混碾15‑30分钟后困料1小时以上；将经过困料处理后的废镁碳砖在氧气氛围和温度1250‑1350℃中氧化50‑90分钟；减少了废镁碳砖的堆积，制备成电熔镁砂有效循环利用，解决了电熔镁砂资源短缺的问题，也节约了镁资源开采量。
Method for recycling waste magnesia carbon bricks
The invention discloses a method for recycling waste magnesia carbon bricks. The method comprises the following steps: removing steel facing surfaces of the waste magnesia carbon bricks; the method comprises the following steps: crushing the waste magnesia carbon bricks into particles with the specification of 0-5mm, and removing iron in the particles; soaking the crushed particles in water for 24-48 hours; adding an alcohol compound, mixing and grinding for 15-30 minutes, and ageing for more than 1 hour; oxidizing the waste magnesia carbon bricks subjected to ageing treatment in an oxygen atmosphere at the temperature of 1250-1350 DEG C for 50-90 minutes; the accumulation of the waste magnesia carbon bricks is reduced, the prepared fused magnesite is effectively recycled, the problem of shortage of fused magnesite resources is solved, and the mining quantity of magnesium resources is also saved.
本发明公开了一种废镁碳砖再利用的方法，包括以下步骤：将废镁碳砖的迎钢面剔除；废镁碳砖破碎成规格为0‑5毫米的碎粒，且除去其中的铁；将碎粒用水浸泡24‑48小时；加入醇类化合物混碾15‑30分钟后困料1小时以上；将经过困料处理后的废镁碳砖在氧气氛围和温度1250‑1350℃中氧化50‑90分钟；减少了废镁碳砖的堆积，制备成电熔镁砂有效循环利用，解决了电熔镁砂资源短缺的问题，也节约了镁资源开采量。
Method for recycling waste magnesia carbon bricks
一种废镁碳砖再利用的方法
YE QINGQUAN (Autor:in) / YAN CHONG (Autor:in) / MAO PENG (Autor:in) / YAO ZENGYUAN (Autor:in) / YUAN BING (Autor:in) / ZHANG LEI (Autor:in)
11.03.2022
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
Dry regeneration method for waste magnesia carbon bricks
| Europäisches Patentamt | 2020