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		题名	作者	年代	出处	被引量
	1	Acoustic emission detection of slag performance in coal gasifiers显示文摘This work first investigated the detection of slags,slag pool liquid level,and slag accumulation height in laboratory scale based on acoustic emission(AE)detection,and further tried the feasibility of this method in an industrial scale coal gasifier.Results show that the energy and variance of acoustic signals can realize the accurate detection of large slag(criterion:E>1.5 E0,S>1.2 S0),and the average relative error is only 0.28%.The acoustic energy in the frequency range of 20–40 k Hz is defined as the characteristic energy,which can realize the accurate detection of slag accumulation height and slag pool liquid level,and the average relative error is only 3.94%.Furthermore,AE detection also realize accurate detection of large slag in an industrial scale gasifier and the acoustic signals at slag screen can be used to realize the early warning of the slag collapse(5 h earlier).	Zhengliang Huang Peng Zhang Yao Yang Jingyuan Sun JingdaiWang Yongrong Yang Chenghao Huang Zhixiong Huang	2020	Chinese Journal of Chemical Engineering2020，28，8：	1

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