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	Intrinsic safety explosion-proof system monitoring oxygen concentrations in coke-oven gas
	Ding Tianhuai ; Zhou Fei ; Wang Peng
	2010-05-10 ; 2010-05-10
关键词	Practical/ coke explosions filling microcontrollers polymers safety systems signal processing/ intrinsic safety explosion-proof system coke-oven gas on-line monitoring system signal preprocessing micro controller unit epoxy resin filling techniques authentication tests coking fields/ B6140 Signal processing and detection B0560 Polymers and plastics (engineering materials science) B0160 Plant engineering, maintenance and safety E3624 Fuel processing industry E1810 Packaging E0240H Health and safety aspects E1710 Engineering materials
中文摘要	An on-line monitoring system was developed to real-timely and accurately measure oxygen concentrations in coke-oven gas to avoid explosion. A weak signal preprocessing unit and an ultra-low-power micro controller unit, MSP430, were used to construct the signal processing system, with a 3.6 V explosion-proof power supply made using current-limiting resistance and epoxy resin filling techniques and with the overall circuit parameters carefully controlled, which insures the system intrinsic safety ranked Ex ia and safe, steady performance in the industrial zone 0. The results of authentication tests and field experiments show that the system meets the practical requirements of coking fields with a precision of +/-0.8%.
语种	中文 ; 中文
出版者	Tsinghua University Press ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/24712]
专题	清华大学
推荐引用方式 GB/T 7714	Ding Tianhuai,Zhou Fei,Wang Peng. Intrinsic safety explosion-proof system monitoring oxygen concentrations in coke-oven gas[J],2010, 2010.
APA	Ding Tianhuai,Zhou Fei,&Wang Peng.(2010).Intrinsic safety explosion-proof system monitoring oxygen concentrations in coke-oven gas..
MLA	Ding Tianhuai,et al."Intrinsic safety explosion-proof system monitoring oxygen concentrations in coke-oven gas".(2010).

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