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    • 1. 发明专利
    • ボイラ
    • 锅炉
    • JP2014219117A
    • 2014-11-20
    • JP2013096654
    • 2013-05-01
    • 三浦工業株式会社Miura Co Ltd
    • ITO KOMIURA KOJI
    • F22D5/00F22D5/26F22D5/28F22D5/30
    • F22D5/00F22D5/26F22D5/28F22D5/30
    • 【課題】より高い精度で水管の内部の水位制御を行うことができるボイラを提供すること。【解決手段】負荷率を変更して燃焼可能なボイラ1は、複数の水管22を有する缶体20と、缶体20に水を供給する給水ポンプ4と、缶体20の内部圧力を測定する蒸気圧測定部30と、缶体20に貯留される缶水の電気伝導率を測定する電気伝導率センサ33と、缶体20に供給される水の給水温度を測定する給水温度センサ32と、負荷率、内部圧力、電気伝導率及び給水温度に基づいて水管22の内部の適正水位を求め、当該適正水位となるように給水ポンプ4の制御を行う給水制御部101と、を備える。【選択図】図1
    • 要解决的问题:提供一种能够以更高精度执行水管内部的水位控制的锅炉。解决方案:通过改变负载系数燃烧的锅炉1包括:具有多个水的罐体20 管22; 用于向罐体20供水的供水泵4; 用于测量罐体20的内部压力的蒸汽压力测量单元30; 用于测量储存在罐体20中的锅炉水的导电率的电导率传感器33; 用于测量供应到罐体20的水的供水温度的供水温度传感器32; 以及供水控制单元101,用于根据负载系数,内部压力,电导率和供水温度来获取水管22内的适当的水位,并且用于执行给水泵4的控制,从而 达到适当的水位。
    • 3. 发明专利
    • Feed water control system for steam generator in power generation plant
    • 发电厂蒸汽发生器进水控制系统
    • JP2006064210A
    • 2006-03-09
    • JP2004244556
    • 2004-08-25
    • Hitachi Ltd株式会社日立製作所
    • KOTANI KAZUMASANAGASAWA MASAYUKI
    • F22D5/00
    • F01K13/02F01K7/165F01K11/02F22D5/00
    • PROBLEM TO BE SOLVED: To provide stability of a water level of a steam generator, and stability of a flow rate balance between a steam flow rate and a feed water flow rate of each turbine plant in feed water control for the steam generator in a power generation plant composed by combining the steam generator and a plurality of turbine plants.
      SOLUTION: In the power generation plant composed by combining the steam generator 1 and the plurality of turbine plants 100 and 200, control in a feed water controller 5 of the first turbine plant (the main turbine plant) 100 is carried out by normal control, namely, control of a feed water flow regulating valve 6 by using detection signals of a steam generator water level detector 7, a main steam flow rate detector 8, and a feed water flow rate detector 9 of the first turbine plant 100, and control in a feed water controller 15 of the second turbine plant (the sub turbine plant) is carried out by control of a feed water flow regulating valve 16 by using a detection signal of a condenser water level detector 10 of the first turbine plant.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提供蒸汽发生器的水位的稳定性,以及蒸汽发生器的给水控制中每个涡轮机厂的蒸汽流量与给水流量之间的流量平衡的稳定性 在通过组合蒸汽发生器和多个涡轮机组合而构成的发电厂中。 解决方案:在通过组合蒸汽发生器1和多个涡轮机设备100和200组成的发电设备中,第一涡轮机设备(主涡轮机设备)100的给水控制器5中的控制由 通过使用第一涡轮机100的蒸汽发生器水位检测器7,主蒸汽流量检测器8和给水流量检测器9的检测信号来控制给水流量调节阀6, 并且通过使用第一涡轮机厂的冷凝器水位检测器10的检测信号,通过进给给水流量调节阀16的控制来进行第二涡轮机厂(副涡轮发电厂)的给水控制器15的控制。 版权所有(C)2006,JPO&NCIPI
    • 4. 发明专利
    • Method for reducing oxygen content in steam generator wall pipe
    • 用于减少蒸汽发生器壁管中的氧含量的方法
    • JP2013127354A
    • 2013-06-27
    • JP2012259657
    • 2012-11-28
    • Hitachi Power Europe Gmbhヒタチ パワー ヨーロッパ ゲーエムベーハー
    • TRABHARDT HORSTMUELLER JUERGEN
    • F22B37/00
    • F22D5/00F22B37/025F22B37/50
    • PROBLEM TO BE SOLVED: To avoid or at least reduce a problem that atmospheric oxygen is introduced into a boiler water generated when pipes of a steam generator wall of a steam boiler wall of a power generation station in particular where carbon-containing fuel is combusted is filled with the boiler water and/or when the boiler water is discharged from the above pipes.SOLUTION: Inactive gas or inactive gas mixture is introduced such that gaseous oxygen in particular of atmospheric oxygen form present in each of flow volumes of pipes is substituted and/or the inactive gas or the inactive gas mixture is introduced so as to fill vacant volumes generated during discharging a boiler water of the steam from each of the flow volumes of the pipes, into a pipe wall area or the pipes of pipe sections through which the boiler water or the steam generated by introducing the inactive gas or the inactive gas mixture into the pipes flows during operation of the power generation station before filling with the boiler water or steam.
    • 要解决的问题:为了避免或至少减少将大气氧气引入到发电站的蒸汽锅炉壁的蒸汽发生器壁的管道中产生的大气氧的问题,特别是含碳燃料 被燃烧的锅炉水和/或当锅炉水从上述管道排出时。

      解决方案:引入非活性气体或惰性气体混合物,使得存在于每个管道流量中的气态氧,特别是大气中的氧气被替代,和/或引入惰性气体或惰性气体混合物以便填充 将蒸汽的锅炉水从管道的每个流量排放到管壁区域或管道部分中产生的空闲体积,通过该管道部分引入不活泼气体或惰性气体产生的锅炉水或蒸汽 混合物在发电站运行期间流入,在填充锅炉水或蒸汽之前。 版权所有(C)2013,JPO&INPIT

    • 6. 发明专利
    • ボイラ
    • 锅炉
    • JP2014219122A
    • 2014-11-20
    • JP2013096668
    • 2013-05-01
    • 三浦工業株式会社Miura Co Ltd
    • ITO KO
    • F22D5/00F22D5/28F22D5/30F22D5/32
    • F22D5/00F22D5/28F22D5/30F22D5/32
    • 【課題】蒸気圧力の変動に関わらず、給水ポンプにより供給される水の流量を一定に制御することができるボイラを提供すること。【解決手段】ボイラ1は、複数の水管22を有する缶体20と、缶体20に水を供給する給水ポンプ4と、缶体20の内部の蒸気圧力を測定する圧力測定部30と、圧力測定部30により測定された蒸気圧力に基づいて、給水ポンプ4から缶体20へ供給される水の流量が一定の流量となるように給水ポンプ4のインバータ41の周波数を求め、当該インバータ41の周波数で給水ポンプ4の回転数を制御する制御部100と、を備える。【選択図】図1
    • 要解决的问题:提供一种能够控制从供水泵供给的水的流量恒定的锅炉,而与蒸汽压力的变化无关。解决方案:锅炉1包括:具有多个水的罐体20 管22; 用于向罐体20供水的供水泵4; 用于测量罐体20的内部蒸汽压力的压力测量单元30; 以及控制单元100,用于获取供水泵4的逆变器41的频率,使得从供水泵4供应到罐体20的水的流量基于由 压力测量单元30,并且用于以变频器41的频率控制供水泵4的旋转频率。
    • 7. 发明专利
    • Separatorless boiler
    • 无油锅炉
    • JP2013194950A
    • 2013-09-30
    • JP2012060540
    • 2012-03-16
    • Miura Co Ltd三浦工業株式会社
    • MASUDA KOICHITANAKA TAKANORI
    • F22D5/00F22B21/06
    • F22D5/26F22B21/04F22D5/00Y10T137/7306
    • PROBLEM TO BE SOLVED: To obtain a desired degree of dryness, prevent water pipe overheating and furthermore reduce the risk of corrosion of a can body.SOLUTION: A separatorless boiler includes: a downcast pipe 84 that interconnects the bottom in an upper header 24 and a lower header 22; and a control means 70 that performs a first control that controls a water supply means 60 in a manner so that the water level in the can body decreases when the water level detected by an external water level detection means 50 exceeds a first set water level, and a second control that controls the water supply means 60 in a manner so that the water level in the can body rises when the detected water level becomes no greater than a second set water level that is lower than the first set water level. The first set water level is set to the water level of the limit degree of dryness, the height of the upper header is set in a manner so that the degree of dryness of the water vapor flowing out from the upper header by means of the first control is at least the set degree of dryness, and the second set water level is set to a water level that is at least the overheating threshold water level and that causes the circulation ratio of can water resulting from the downcast pipe 84 to be at least a set value.
    • 要解决的问题:为了获得所需的干燥度,防止水管过热,并且进一步降低罐体腐蚀的风险。解决方案:无分离器锅炉包括:下管84,其将上集管24中的底部和 下部标题22; 以及控制装置70,其执行控制供水装置60的第一控制,使得当由外部水位检测装置50检测到的水位超过第一设定水位时,罐体中的水位降低, 以及第二控制器,其以使得当检测到的水位变得不大于低于第一设定水位的第二设定水位时,使得罐体中的水位上升的方式来控制供水装置60。 将第一设定水位设定为极限干燥度的水位,将上集管的高度设定为使得通过第一水位从上集管流出的水蒸汽的干度 控制至少为设定的干燥度,第二设定水位被设定为至少过热阈值水位的水位,并且导致由下管84产生的罐水的循环比率至少为 一个设定值。
    • 8. 发明专利
    • Boiler system
    • 锅炉系统
    • JP2009139025A
    • 2009-06-25
    • JP2007316367
    • 2007-12-06
    • Miura Co LtdMiura Protech Ltd三浦工業株式会社株式会社三浦プロテック
    • WATANABE SHIGEHIROHADO MAKOTOKATO HIROHISA
    • F22B37/38F22D5/00F22D11/00
    • F22B37/38F22D5/00
    • PROBLEM TO BE SOLVED: To provide a boiler system capable of quickly and surely detecting a reverse flow of boiler water in a water supply line.
      SOLUTION: This boiler system 1 includes a boiler body 10, a water supply tank 15, piping 20 for forming a water supply line between the water supply tank 15 and the boiler body 10, a water supply pump 22, a flow rate meter 30 and a check valve 23. The flow rate meter 30 is provided with an impeller 33, a thermistor 40 and two Hall ICs 41. The flow rate meter control circuit 45 detects a reverse flow in the water supply line by means of a temperature obtained based on an output of the thermistor 40, and also detects the reverse flow in the water supply line by detecting the rotation of the impeller 33 based on an output of the Hall ICs 41.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供能够快速且可靠地检测供水管线中的锅炉水的逆流的锅炉系统。 解决方案:该锅炉系统1包括锅炉主体10,供水箱15,用于在供水箱15和锅炉主体10之间形成供水管线的管道20,供水泵22, 仪表30和止回阀23.流量计30设置有叶轮33,热敏电阻40和两个霍尔IC 41.流量计控制电路45通过温度检测供水管线中的逆流 基于热敏电阻40的输出获得,并且还通过基于霍尔IC41的输出检测叶轮33的旋转来检测供水管线中的反向流动。版权所有(C)2009,JPO&INPIT