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发明名称
高强度高活性氨合成催化剂的制造方法及熔制设备
摘要
本发明涉及一种氨合成催化剂的制造方法及设备,属催化剂生产领域。该工艺采用专用设备三电极电阻炉取代多年来一直沿用的单相电阻熔炉熔制催化剂,提高了催化剂熔炼温度并降低了能耗;采用多喷头流体喷射成球法以及简便的固液分离技术,提高了催化剂的活性和强度,保证了催化剂的外观色泽。本发明使合成氨球形催化剂制造吨耗电率下降20%—30%,成品率为80%,催化剂单粒抗碎强度4.0mm以上〉35kg,催化剂活性提高0.5%以上。
申请公布号
CN1039203C
申请公布日期
1998.07.22
申请号
CN93100955.3
申请日期
1993.01.09
申请人
仰华胄;王逸恩
发明人
仰华胄;王逸恩
分类号
B01J23/78
主分类号
B01J23/78
代理机构
代理人
主权项
1.一种制备氨合成催化剂的方法,是将原料精选磁铁矿、氧化铝、硝酸钾和碳酸钙 经配制混合均匀后,装入三电极电阻炉(1)熔炼,熔炼电压保持15-50v,熔炼时间为4-8小时,出炉催化剂熔浆落在由多喷头喷枪(2)喷射的液体上,冲击破裂进行收缩成球后,落入圆锥形冷却池(3)内,凝结成球状或近似球形的颗粒,从冷却池(3)下口注在倾斜的弧形筛网(4)上,进行固液分离后干燥筛选制成。
地址
450002河南省郑州市文化路66号付18号
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