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公开(公告)号：US10344627B2
公开(公告)日：2019-07-09
申请号：US15873650
申请日：2018-01-17
发明人： Keiichi Nakamura , Hideaki Shimada
摘要： According to the embodiment of the present invention, there are provided a first stage auxiliary burner configured to heat up the exhaust gas in the upstream side of the superheater,a second stage auxiliary burner configured to heat up the exhaust gas in the upstream side of the evaporator, a fuel supply system configured to distribute fuel so as to be supplied to the first stage auxiliary burner and the second stage auxiliary burner. Distribution of fuel charged to each of the first stage auxiliary burner and the second stage auxiliary burner is controlled in accordance with a predetermined distribution ratio of each charging quantity to whole charging quantity in all the range thereof.
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公开(公告)号：US09416686B2
公开(公告)日：2016-08-16
申请号：US14090813
申请日：2013-11-26
发明人： Keiichi Nakamura , Hideaki Shimada
CPC分类号： F01K23/101 , F01K23/103 , F01K23/105 , F01K23/106 , F23C5/08 , F23N5/00 , Y02E20/14 , Y02E20/16 , Y02P80/154
摘要： A heat recovery steam generator has a plurality of heat exchangers, including superheaters 28, 30, an evaporator 32 and an economizer 34, disposed in a duct 27 along the flow direction of an exhaust gas 25 from a gas turbine 14, and generates steam by utilizing the exhaust gas 25 from the gas turbine 14. The heat recovery steam generator includes: auxiliary combustors 50, 52, each disposed upstream of one of the heat exchangers, for heating the exhaust gas by means of burners; and an air supply device for supplying air to the burners of the auxiliary combustor 52 from the outside of the duct.
摘要翻译： 热回收蒸汽发生器具有多个热交换器，包括过热器28,30，蒸发器32和节能器34，沿着来自燃气轮机14的废气25的流动方向设置在管道27中，并且通过 利用来自燃气轮机14的废气25.热回收蒸汽发生器包括：辅助燃烧器50,52，各自设置在一个热交换器的上游，用于通过燃烧器加热废气; 以及用于从管道外部向辅助燃烧器52的燃烧器供给空气的供气装置。
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公开(公告)号：US10087786B2
公开(公告)日：2018-10-02
申请号：US14843388
申请日：2015-09-02
发明人： Hikaru Kiga , Masayuki Tobo , Toyohiro Akebi , Keiichi Nakamura
摘要： In one embodiment, a combined cycle power plant includes first and second superheaters to generate first and second main steams, first and second reheaters to heat first and second discharge steams to generate first and second reheat steams, and a steam turbine to be supplied with the merged first and second reheat steams. The plant further includes a first valve to adjust a flow rate of the first discharge or reheat steam, and a second valve to adjust a flow rate of the second discharge or reheat steam. A plant control apparatus includes a determination module to determine a target opening degree of the second valve by using flow rates of the first and second main steams, and a controller to compare the determined target opening degree with a valve opening degree of the second valve and to control the second valve based on a comparison result.
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