摘要
根据链条锅炉炉排的使役特点及对失效炉排的分析 ,本文以室温强度、抗氧化性、抗生长性、抗热疲劳性为主要技术指标进行了炉排新材质的强化模拟试验 ,并得出了优化新型材质配方。试验结果表明 :该新型材质具有良好的高、低温力学性能 ,其氧化率和生长率大大低于可锻铸铁 ,抗热疲劳性高 ;无需长时间高温退火热处理 ,缩短生产周期 ,取代可锻铸铁 ,降低生产成本。
According to the characteristics of chain boiler furnace grate in service and analysis of invalidated ones, an intensified model test of new material is carried out based on the technical parameters mostly including room temperature strength, anti oxidization, anti growth and heatproof weariness quality in this paper. An optimized new material prescription is educed. The test result indicates that the new material has such specialty as follows: Its Hi lo temperature mechanical properties are better than that of malleable iron. This new material can abrogate heat treatment procedure of long time high temperature annealing and shorten the production period, reduce production cost, so it can replace malleable iron and be used widely in diversified chain boiler furnace grate.
出处
《铸造》
CAS
CSCD
北大核心
2002年第4期222-224,共3页
Foundry
关键词
链条锅炉
炉排
新型材质
试验
耐热铸铁
chain boiler
furnace grate
material
heat resisting cast iron
