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Prevention of Flame Extinction and Deflagration Caused by Mill Failures

Fan Quan-gui(Baoding, North-China University of Power Engineering);Li Jiang;Zeng De-liang;Ma Ci-pei.  
Abstract A supervisory control system for automatic fuel oil feed initiation has been successfully developed to solve the flame extinction and deflagration problem caused by coal mill failures of a 300 MW set's boiler of the Taiyuan No. 1 Cogeneration Power Plant. Herewith a new technical track has been found for dealing with similar problems cropping up in other large domestic sets andtherewith raise their reliability. The paper primarily discusses the reasons of flame failures and deflagration as well as the design philosophy of the control system.
【CateGory Index】: TM621.2
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