焦煤比对烧结烟气中挥发性有机物排放特性的影响

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Abstract The PF-300 portable methane, total hydrocarbon, and non-methane total hydrocarbon tester was used to analyze the volatile organic compound content of the flue gas generated in the sintering cup experiment, and the effect of the sintering fuel coke-to-coal ratio on the emission characteristics of flue gas volatile organic compounds was studied.:Volatile organic compounds are continuously released during the sintering process, and their emission trends are consistent with NO_x; the generation of TVOCs and MHC is significantly related to the volatile content of pulverized coal and coke powder. When pulverized coal is used as the main fuel, appropriate mixing Coke powder not only has a physical emission reduction effect on TVOCs and MHC, but also has the effect of coal coke mixing and synergistic emission reduction. At the same time, a domestic steel sintering machine was tested for TVOCs emission concentration and sub-sample composition, which showed that the volatile organic compound emission concentration in the flue gas of the steel sintering machine was higher, and the result was consistent with the curve obtained from the sintering cup experiment; the sintering process VOCs was tested separately. The main compounds are ethyl lactate, acetone, benzene, toluene, n-hexane and so on.

Key words： sintering coking coal ratio volatile organic compounds emission characteristics industrial testing

Received: 28 January 2021

PACS:	X511
	TQ132.32

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	Articles by authors
	LUO Yun-fei
	WANG Yi-fan
	LI Jun-jie
	YU Zheng-wei
	WEI Jin-chao
	LONG Hong-ming

Cite this article:

LUO Yun-fei,WANG Yi-fan,LI Jun-jie等. Influence of coking coal ratio on emission characteristics of volatile organic compounds in sintering flue gas[J]. CHINA ENVIRONMENTAL SCIENCECE, 2021, 41(9): 4077-4084.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2021/V41/I9/4077

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