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    • 1. 发明授权
    • Method of starting and stopping gas turbine and start-and-stop control device
    • 启动和停止燃气轮机和启停控制装置的方法
    • US08151572B2
    • 2012-04-10
    • US12442338
    • 2007-09-19
    • Satoshi TanakaHiroshi TanabeYasuhiro Hashimoto
    • Satoshi TanakaHiroshi TanabeYasuhiro Hashimoto
    • F02C7/22F02C7/26
    • F02C9/40F01D19/00F01D21/00F02C7/232F02C7/26
    • An object of the present invention is to provide a method of starting and stopping a gas turbine and a start-and-stop control device, which are capable of solving a problem of a failure in normally igniting a fuel gas due to a purge gas (nitrogen gas) remaining in a fuel gas pipe and thereby igniting the fuel gas stably. For this purpose, the start-and-stop control device performs control at the time of starting the gas turbine by sequentially performing: first exhaust gas duct purge for pushing out a fuel gas remaining in an exhaust gas duct with compressed air from a compressor; fuel gas pipe purge for pushing out nitrogen gas remaining in a fuel gas pipe between a fuel gas shutoff valve and a combustor at the time of stopping the gas turbine by the fuel gas by opening a fuel gas shutoff valve; and second exhaust gas duct purge for pushing out the fuel gas remaining in the exhaust gas duct at the time of the fuel gas pipe purge by the compressed air from the compressor, and then the fuel gas is supplied to the combustor by opening the fuel gas shutoff valve again and ignited.
    • 本发明的目的是提供一种启动和停止燃气轮机和起动和停止控制装置的方法,其能够解决由于吹扫气体而导致的燃料气体的正常点燃故障的问题( 氮气)残留在燃料气体管中,从而稳定地点燃燃料气体。 为此,启动和停止控制装置在启动燃气轮机时,通过依次执行以下步骤来执行控制:第一废气管道吹扫,用于从压缩机推出压缩空气中的残留在废气管道中的燃料气体; 用于通过打开燃料气体截止阀,在燃料气体停止燃气轮机时,在燃料气体切断阀和燃烧器之间排出残留在燃料气体管道中的氮气的燃料气体管道吹扫; 以及第二废气管道吹扫,用于在通过来自压缩机的压缩空气吹扫燃料气体管道时推出残留在排气管道中的燃料气体,然后通过打开燃料气体将燃料气体供应到燃烧器 关闭阀再次点火。
    • 2. 发明申请
    • METHOD OF STARTING AND STOPPING GAS TURBINE AND START-AND-STOP CONTROL DEVICE
    • 启动和停止气体涡轮机和启动和停止控制装置的方法
    • US20090314001A1
    • 2009-12-24
    • US12442338
    • 2007-09-19
    • Satoshi TanakaHiroshi TanabeYasuhiro Hashimoto
    • Satoshi TanakaHiroshi TanabeYasuhiro Hashimoto
    • F02C1/00
    • F02C9/40F01D19/00F01D21/00F02C7/232F02C7/26
    • An object of the present invention is to provide a method of starting and stopping a gas turbine and a start-and-stop control device, which are capable of solving a problem of a failure in normally igniting a fuel gas due to a purge gas (nitrogen gas) remaining in a fuel gas pipe and thereby igniting the fuel gas stably. For this purpose, the start-and-stop control device performs control at the time of starting the gas turbine by sequentially performing: first exhaust gas duct purge for pushing out a fuel gas remaining in an exhaust gas duct with compressed air from a compressor; fuel gas pipe purge for pushing out nitrogen gas remaining in a fuel gas pipe between a fuel gas shutoff valve and a combustor at the time of stopping the gas turbine by the fuel gas by opening a fuel gas shutoff valve; and second exhaust gas duct purge for pushing out the fuel gas remaining in the exhaust gas duct at the time of the fuel gas pipe purge by the compressed air from the compressor, and then the fuel gas is supplied to the combustor by opening the fuel gas shutoff valve again and ignited.
    • 本发明的目的是提供一种启动和停止燃气轮机和起动和停止控制装置的方法,其能够解决由于吹扫气体而导致的燃料气体的正常点燃的故障的问题( 氮气)残留在燃料气体管中,从而稳定地点燃燃料气体。 为此,启动和停止控制装置在启动燃气轮机时,通过依次执行以下步骤来执行控制:第一废气管道吹扫,用于从压缩机推出压缩空气中的残留在废气管道中的燃料气体; 用于通过打开燃料气体截止阀,在燃料气体停止燃气轮机时,在燃料气体切断阀和燃烧器之间排出残留在燃料气体管道中的氮气的燃料气体管道吹扫; 以及第二废气管道吹扫,用于在通过来自压缩机的压缩空气吹扫燃料气体管道时推出残留在排气管道中的燃料气体,然后通过打开燃料气体将燃料气体供应到燃烧器 关闭阀再次点火。
    • 8. 发明授权
    • Control apparatus, image forming apparatus, image forming system, control method, and computer-readable medium
    • 控制装置,图像形成装置,图像形成系统,控制方法以及计算机可读介质
    • US09224077B2
    • 2015-12-29
    • US13370084
    • 2012-02-09
    • Satoshi Tanaka
    • Satoshi Tanaka
    • G06K15/02H04N1/40G06F3/12G03G15/08
    • G06K15/1868
    • A control apparatus includes an operation section, a correction section, and a controller. The operation section performs an operation for forming an image having a predetermined density. The correction section corrects a value of the density. In a case where an image formation condition is switched from a first image formation condition to a second image formation condition, when image formation under the second image formation condition is to be performed on at least a predetermined number of recording media or to be performed for at least a predetermined period, the controller performs control so that the correction section executes a process of correcting the value. When the image formation is not to be performed on at least the predetermined number of recording media or not to be performed for at least the predetermined period, the controller performs control so that the correction section does not execute the process.
    • 控制装置包括操作部,校正部和控制器。 操作部分执行用于形成具有预定浓度的图像的操作。 校正部分校正密度值。 在将图像形成条件从第一图像形成条件切换到第二图像形成条件的情况下,当要在至少预定数量的记录介质上执行在第二图像形成条件下的图像形成时,或者为 至少预定时间段,控制器执行控制,使得校正部分执行校正该值的处理。 当至少在至少预定数量的记录介质上执行图像形成或至少在预定时间段内执行图像形成时,控制器执行控制,使得校正部分不执行处理。