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针对京唐550 m2大型烧结机机尾导料槽维修更换频繁,寿命不长,影响作业效率等问题,分析了传统导料槽寿命偏低的原因,提出使用耐火浇注料保护导料槽的技术思路,并进行了相应的仿真计算,发现导料槽浇注耐火材料后,其关键构件所受温度降低,不易变形损坏。新导料槽投入使用后,寿命从原先的3~4个月提到15个月以上(仍然完好);即使出现耐材损坏脱落,亦无需整体更换导料槽,仅在检修时对耐材脱落处进行喷补修复即可,大大节省了维修时间和费用。
Aiming at the problems such as the frequent maintenance and replacement of the tail trough of 550 m2 large sintering machine in Jingtang, the short service life and the impact on the operating efficiency, the reason of the low life of the traditional trough is analyzed and the technology of using the refractory castable to protect the trough Ideas, and carried out the corresponding simulation and found that the guide groove pouring refractory material, the temperature of its key components to reduce the temperature, not easy to deformation damage. The new guide slot put into use, the life expectancy from the original 3 to 4 months referred to more than 15 months (still intact); even if there is loss of refractory material off, there is no need to replace the guide slot, only in the repair of refractory Spill off repair can be repaired, saving time and cost of maintenance.