煤气化炉用耐火材料的探讨

来源 :氮肥技术 | 被引量 : 0次 | 上传用户：hnfengzhong

【摘要】

：

第三代的煤催化气化和等离子体煤气化技术,相比二代、三代煤气化技术,提高了反应速率、提高了产物收率,环境友好,废弃物零排放,是煤洁净高效利用的重要方式,是煤制天然气有效的工艺途径.本文介绍了两种气化炉的工况、内衬耐火材料的损毁机制及对耐火材料的选择.通过对气化炉内衬用耐火材料进行广泛深入的研究,指出适合做这两种气化炉内衬耐火材料的是六铝酸钙(CA6)浇注料.但六铝酸钙(CA6)原料尚未实现工业化生产,合成难度大,价格昂贵.因此煤催化技术用的流化床气化炉内衬,可采用镁铝尖晶石质浇注料;等离子体煤气化炉温度较高

【作者】

：

徐平坤

【机构】

：

广州耐火材料厂广东广州510300

【出处】

：

氮肥技术

【发表日期】

：

2021年6期

【关键词】

：

煤催化气化炉等离子体煤气化炉镁铝尖晶石碳化硅(SiC) 六铝酸钙(CA6)

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煤气化炉用耐火材料的探讨

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