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    • 2. 发明申请
    • SULFUR DETECTION ROUTINE
    • SULFUR检测程序
    • WO2011077071A1
    • 2011-06-30
    • PCT/GB2010/002207
    • 2010-12-01
    • PERKINS ENGINES COMPANY LIMITEDFARMAN, Alistair C.STIRPE, Alberto
    • FARMAN, Alistair C.STIRPE, Alberto
    • F02D41/02
    • F02D41/029F02D2200/0812F02D2200/0818
    • A power system (1) comprising an engine (10) that produces exhaust, an after treatment system (50) that treats the exhaust and includes a particulate filter (54) that traps soot from the engine, and a controller (71) configured to perform a sulfur detection routine (300) that conducts a pre- regeneration calibration (301) to achieve a temperature in the after treatment system of between 200 and 400 degrees Celsius, a sulfur removal calibration (302) to achieve a temperature in the af tertreatment system of between 300 and 500 degrees Celsius and a post- regeneration calibration to achieve a temperature in the after treatment system of between 200 and 400 degrees Celsius. The sulfur detection routine (300) compares a pre-soot removal rate (309) during the pre- regeneration calibration (301) with a post-soot removal rate (311) during the post- regeneration calibration (303).
    • 一种电力系统(1),包括产生排气的发动机(10),处理所述排气并且包括从所述发动机捕集烟灰的微粒过滤器(54)的后处理系统(50),以及控制器(71) 执行进行预再生校准(301)的硫检测程序(300)以实现后处理系统中的温度在200至400摄氏度之间,硫去除校准(302)以实现在待处理中的温度 系统在300和500摄氏度之间,并进行后再生校准,以实现后处理系统的温度在200和400摄氏度之间。 硫检测程序(300)将在再生前校准期间的预除烟速度(309)与后再生校准(303)期间的烟灰去除率(311)进行比较。