Against the vibration problem arising from DH centrifugal compressor test running, analysis and treatment method is put forward. A few of significant conclusions and recommendations are obtained.
针对DH型离心压缩机试车中的振动问题，提出了分析处理方案。得出了几点有指导意义的结论与建议。
The problems of material selection, nodularizing and inoculation treatment and the technical parameter control of the centrifugal casting are mainly discussed.
着重论述了材质选择、球化孕育处理和离心铸造工艺参数控制等问题。
Losing fine cleaned coal is recovered by the study of fine cleaned coal treatment technology in centrifugal liquid, which would improve the cleaned coal yield and enterprise economic benefit.
通过对离心液末精煤处理工艺的研究，回收离心液中损失的末精煤，以提高精煤产率和企业经济效益。
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