灰管，拼音：huī guǎn，注音：ㄏㄨㄟ ㄍㄨㄢˇ，意思是：1.古代候验节气变化的器具。2.指时序；节候。
该方法借助于灰斗、灰仓泵、输灰管、压缩气补气管组成的系统实现。
It is realized by referring to a system formed by an ash bucket, ash storage pump, ash transporting pipe, and the air make-up pipe for compressed air.
此系统为紊流浓相输送，其输灰管独特结构基本避免了输灰过程中的输灰管堵塞。
This system is turbulent dense-phase conveying, and the specially designed delivery ash pipe can prevent the blockage during ash conveying.
在燃煤电厂冲灰水闭路循环系统中，水力输灰管和回水管的结垢是所需解决的主要问题。
In the closed circulation system of ash-sluicing water of coal-fired power plant, the scaling of the hydraulic ash transport pipes and the backwater pipes is the main problem that need to be solved.
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