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A platform for research: civil engineering, architecture and urbanism
Preparation method of prebaked anode with superstrong oxidation resistance
The invention discloses a preparation method of a prebaked anode with superstrong oxidation resistance, and the specific production process comprises the following steps: calcining petroleum coke at high temperature to generate calcined coke, crushing and screening the calcined coke into different size fractions for matching, mixing with asphalt at a certain temperature to prepare a paste material, preparing the paste material into a green anode by using a vibration forming machine, and sintering to obtain the prebaked anode with superstrong oxidation resistance. The green block is roasted in a roasting furnace according to a certain heating curve, volatile matters are removed, the compression strength is improved, the resistivity is reduced, and the prebaked anode which is conductive, resistant to high temperature and capable of participating in electrolytic reaction is formed. Fine particles can be prevented from being located in the middle of the bin, large particles can be prevented from being located on the periphery of the bin, and the problems of uneven matching of large particles and small particles and unbalanced formula during batching in subsequent procedures can be effectively solved. According to the technology, the problems of oxidation slag falling, too fast consumption and the like of the prebaked anode in a high-temperature electrolytic cell can be solved, and the service cycle is prolonged.
本发明公开了一种超强抗氧化性能预焙阳极的制备方法，具体的生产工艺是先将石油焦经高温煅烧后生成煅后焦，再将煅后焦破碎筛分成不同的粒级进行搭配，在一定温度下与沥青混合制成糊料，再用振动成型机将糊料制成生阳极，生块在焙烧炉内按一定升温曲线进行焙烧，排除挥发份、提高耐压强度，降低电阻率，成为一种导电、耐高温，能参与电解反应的预焙阳极。本发明通过煅烧分级能够防止细颗粒在仓中间，大颗粒在仓四周，可有效解决后工序配料时大小颗粒搭配不均、配方失衡的问题。本发明技术能解决预焙阳极在高温电解槽中出现的氧化掉渣、消耗过快等问题，延长使用周期。
Preparation method of prebaked anode with superstrong oxidation resistance
The invention discloses a preparation method of a prebaked anode with superstrong oxidation resistance, and the specific production process comprises the following steps: calcining petroleum coke at high temperature to generate calcined coke, crushing and screening the calcined coke into different size fractions for matching, mixing with asphalt at a certain temperature to prepare a paste material, preparing the paste material into a green anode by using a vibration forming machine, and sintering to obtain the prebaked anode with superstrong oxidation resistance. The green block is roasted in a roasting furnace according to a certain heating curve, volatile matters are removed, the compression strength is improved, the resistivity is reduced, and the prebaked anode which is conductive, resistant to high temperature and capable of participating in electrolytic reaction is formed. Fine particles can be prevented from being located in the middle of the bin, large particles can be prevented from being located on the periphery of the bin, and the problems of uneven matching of large particles and small particles and unbalanced formula during batching in subsequent procedures can be effectively solved. According to the technology, the problems of oxidation slag falling, too fast consumption and the like of the prebaked anode in a high-temperature electrolytic cell can be solved, and the service cycle is prolonged.
本发明公开了一种超强抗氧化性能预焙阳极的制备方法，具体的生产工艺是先将石油焦经高温煅烧后生成煅后焦，再将煅后焦破碎筛分成不同的粒级进行搭配，在一定温度下与沥青混合制成糊料，再用振动成型机将糊料制成生阳极，生块在焙烧炉内按一定升温曲线进行焙烧，排除挥发份、提高耐压强度，降低电阻率，成为一种导电、耐高温，能参与电解反应的预焙阳极。本发明通过煅烧分级能够防止细颗粒在仓中间，大颗粒在仓四周，可有效解决后工序配料时大小颗粒搭配不均、配方失衡的问题。本发明技术能解决预焙阳极在高温电解槽中出现的氧化掉渣、消耗过快等问题，延长使用周期。
Preparation method of prebaked anode with superstrong oxidation resistance
一种超强抗氧化性能预焙阳极的制备方法
LIU LIUZHONG (author) / ZHOU PEIYUN (author)
2023-03-28
Patent
Electronic Resource
Chinese
| European Patent Office | 2024
Production process of high-oxidation-resistance prebaked anode
| European Patent Office | 2021