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61. 发明专利

JP2019091128A データ分類装置审中-公开
公开(公告)号：JP2019091128A
公开(公告)日：2019-06-13
申请号：JP2017217883
申请日：2017-11-13
申请人： HITACHI LTD
发明人： HAYASHI YOSHIHARU , SEKIAI TAKAO , KUROBA YOSHIYUKI , HIRATSUKA MASAYUKI
IPC分类号： G06F16/00 , G05B23/02
摘要：【課題】誤検知を低減することのできるデータ分類装置及び異常診断システムを提供することを目的とする。【解決手段】上記課題を解決するため、本発明に係るデータ分類装置は、運転データを複数のカテゴリーに分類するデータ分類部30と、データ分類部の出力を管理する分類結果データベース40と、を有するデータ分類装置であって、データ分類部30はカテゴリーが生成された順序を表す世代番号が小さいものを優先的にカテゴリー候補として選択して運転データのカテゴリー決定する。【選択図】図4

62. 发明专利

JP2014052929A Control device and control method for thermal power plant 有权
标题翻译：热电厂控制装置及控制方法
公开(公告)号：JP2014052929A
公开(公告)日：2014-03-20
申请号：JP2012198154
申请日：2012-09-10
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SEKIAI TAKAO , KUSUMI HISAHIRO , HAYASHI YOSHIHARU , SUZUKI KANAKO , TAKEUCHI HIROTO , KITAGAWA KATSUHIDE , AKATSU TORU , FUKAI MASAYUKI , ASAKURA KAZUYASU
IPC分类号： G05B13/02 , G05B13/04
CPC分类号： Y02P90/02
摘要： PROBLEM TO BE SOLVED: To suppress deterioration of characteristics of a thermal power plant when an operation form or an environment changes.SOLUTION: A control device for a thermal power plant, which generates a first operation signal by referring to a measurement signal, includes an operation result determination part 410 for determining improvement/deterioration of characteristics of the thermal power plant as the result of outputting a first operation signal, a state classification part 420 for classifying the state of the thermal power plant by referring to the measurement signal, and a state storage database 430 for recording the determination result of the operation result determination part and the state of the thermal power plant classified by the state classification part in association with each other. Operation signal generation means continuously outputs the first operation signal currently output to the thermal power plant when the current state of the thermal power plant classified by the state classification part is a state when a second operation signal is generated reaching a state where the characteristics of the thermal power plant are determined to be worse by the operation result determination part.
摘要翻译：要解决的问题：当操作形式或环境变化时，抑制火力发电厂的特性劣化。解决方案：通过参考测量信号产生第一操作信号的火力发电厂的控制装置包括：作为输出第一操作信号的结果，确定火电厂的特性的改善/劣化的运算结果判定部410，参照测定信号对火力发电厂的状态进行分类的状态分类部420，以及状态存储数据库430，用于记录操作结果确定部分的确定结果和由状态分类部分分类的火力发电厂的状态。当由状态分类部分分类的火力发电厂的当前状态是当产生第二操作信号达到状态的状态时，操作信号发生装置连续输出当前输出到火力发电厂的第一操作信号，动力装置由运转结果判定部判定为较差。

63. 发明专利

JP2013189883A Thermal power generation plant 审中-公开
标题翻译：热发电厂
公开(公告)号：JP2013189883A
公开(公告)日：2013-09-26
申请号：JP2012055231
申请日：2012-03-13
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： HANDA MASAHITO , HAYASHI YOSHIHARU , SHIBATA TSUTOMU
IPC分类号： F01K23/10 , F02C6/00 , F02C6/18
CPC分类号： F23C9/00 , F23K2201/103 , F23L7/007 , F23L15/04 , Y02E20/16 , Y02E20/344 , Y02E20/348
摘要： PROBLEM TO BE SOLVED: To maintain plant heat efficiency even by combustion exhaust gas higher in temperature.SOLUTION: A thermal power generation plant includes a recirculating gas intake port arranged in the middle of a flue and recirculating a part of combustion exhaust gas to a boiler, a primary combustion air duct, a secondary combustion air duct, a recirculating gas supply duct for recirculating the combustion exhaust gas to the boiler from the recirculating gas intake port, and an air heater for exchanging heat between respective fluids of the flue. Plant heat efficiency can be maintained even by the combustion exhaust gas higher in temperature.
摘要翻译：要解决的问题：即使通过较高温度的燃烧废气来保持设备的热效率。解决方案：火力发电设备包括布置在烟道中部的再循环气体进气口，并将一部分燃烧废气再循环到锅炉主燃烧空气管道，二次燃烧空气管道，用于将燃烧废气从再循环气体进气口再循环到锅炉的循环气体供应管道，以及用于在烟道的各流体之间交换热量的空气加热器。即使燃烧废气的温度较高，也可以保持热效率。

64. 发明专利

JP2013185524A Coal-fired power generation plant 审中-公开
标题翻译：燃煤发电厂
公开(公告)号：JP2013185524A
公开(公告)日：2013-09-19
申请号：JP2012052472
申请日：2012-03-09
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： HAYASHI YOSHIHARU , SHIBATA TSUTOMU , HANDA MASAHITO
IPC分类号： F01K7/22 , B01D53/14 , B01D53/62 , F01K7/24 , F01K7/44 , F01K17/02
CPC分类号： F22B21/343 , B01D53/1425 , B01D53/1475 , B01D2252/204 , B01D2258/0283 , F01K7/22 , Y02E20/326
摘要： PROBLEM TO BE SOLVED: To achieve cost reduction by limiting the range of a heat transfer pipe which uses a high-quality material having high heat resistance in a boiler which is increased in efficiency by increasing the temperature of steam.SOLUTION: In a conventional boiler, an economizer that is set in a front stage of a boiler outlet is removed, and a low pressure reheater 20 is installed instead. Water supply to a boiler 1 is sent first to a water wall 11 on a furnace side. Then, steam that is overheated by first to fourth superheaters 12 to 15 that are high pressure main steam systems is sent to an ultra high pressure turbine 2, and the exhaust air thereof is sent to a high pressure turbine 3. The exhaust air of the high pressure turbine 3 is returned to the boiler 1, and the steam overheated by a primary high pressure reheater 18 and a secondary high pressure reheater 19 that are high pressure reheating steam systems is sent to an intermediate pressure turbine 4. The exhaust air of the intermediate pressure turbine 4 is returned to the boiler 1, overheated by the low pressure reheater 20 that is a low pressure reheating steam system, and is sent to a low pressure turbine 5.
摘要翻译：要解决的问题：通过限制在锅炉中使用具有高耐热性的优质材料的传热管的范围来实现成本降低，其通过增加蒸汽的温度而提高效率。解决方案：在常规锅炉设置在锅炉出口的前段的节能器被去除，并且代替安装低压再热器20。向锅炉1的供水首先发送到炉侧的水壁11。然后，由作为高压主蒸汽系统的第一至第四过热器12至15过热的蒸汽被送到超高压涡轮机2，其排气被送到高压汽轮机3。将高压汽轮机3返回到锅炉1，将由高压再加热蒸汽系统构成的初级高压再热器18和二级高压再热器19过热的蒸汽送入中压汽轮机4。中压涡轮4返回到锅炉1，由作为低压再热蒸汽系统的低压再热器20过热，并被送到低压涡轮机5。

65. 发明专利

JP2012137269A Coal fired power generation plant and method of controlling the same 审中-公开
标题翻译：燃煤发电厂及其控制方法
公开(公告)号：JP2012137269A
公开(公告)日：2012-07-19
申请号：JP2010291537
申请日：2010-12-28
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： HAYASHI YOSHIHARU
IPC分类号： F23J15/06 , F01K9/00 , F22D1/02 , F23C9/08 , F23C99/00 , F23J15/00 , F23L7/00
CPC分类号： Y02E20/363
摘要： PROBLEM TO BE SOLVED: To improve safety and reliability of a steam turbine belonging to a coal fired power generation plant, in switching from air combustion to oxygen combustion.SOLUTION: This coal fired power generation plant includes a temperature sensor for measuring an exhaust gas temperature at an inlet of a dust collector, a flow valve for adjusting a flow rate of supply water for supplying the water discharged from the steam turbine to a gas cooler, and a control device for adjusting the flow rate of the supply water flowing to the gas cooler so that the exhaust gas temperature at the inlet of the dust collector is kept constant.
摘要翻译：要解决的问题：为了提高属于燃煤发电厂的汽轮机的安全性和可靠性，从空气燃烧切换到氧气燃烧。解决方案：该燃煤发电厂包括用于测量集尘器入口处的排气温度的温度传感器，用于调节从蒸汽轮机排放的水供给的供水量的流量阀气体冷却器和用于调节流向气体冷却器的供给水的流量的控制装置，使得集尘器入口处的排气温度保持恒定。版权所有（C）2012，JPO＆INPIT

66. 发明专利

JP2011190696A Coal-fired power plant, and method for operating coal-fired power plant 有权
标题翻译：燃煤发电厂，以及燃煤电厂的运行方法
公开(公告)号：JP2011190696A
公开(公告)日：2011-09-29
申请号：JP2010055229
申请日：2010-03-12
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： HAYASHI YOSHIHARU
IPC分类号： F01K9/00 , F22D1/02 , F22D1/12
CPC分类号： F01K7/40 , F01K7/34 , F01K13/02 , F22D1/003 , F22D1/02 , F22D1/12 , F22D1/32 , F22D1/325 , F22D1/40 , F23J15/06 , Y02E20/363
摘要： PROBLEM TO BE SOLVED: To prevent deterioration of the reliability and efficiency of a plant even when exhaust gas temperature or an exhaust gas flow rate fluctuates as a result of a boiler aging deteriorating and the heat collection amount of a heat recovery device provided on a flue fluctuates. SOLUTION: The coal-fired power plant includes a first flow rate control valve adjusting the amount of water flowing through a water supply bypass system, a second flow rate control valve provided on an extraction steam pipe extracting steam from a steam turbine, a first temperature sensor provided downstream of the heat recovery device, and a second temperature sensor provided downstream of a heat exchanger. The coal-fired power plant is provided with a control device adjusting the opening degrees of the first and second flow rate control valves based on the exhaust gas temperature detected by the first temperature sensor and the water supply temperature detected by the second temperature sensor. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了防止由于锅炉老化劣化而导致的废气温度或废气流量波动的设备的可靠性和效率的劣化，并且提供了热回收装置的集热量烟道波动。解决方案：燃煤发电厂包括：第一流量控制阀，其调节流经供水旁路系统的水量，第二流量控制阀，设置在从蒸汽轮机抽取蒸汽的抽取蒸汽管上; 设置在热回收装置下游的第一温度传感器和设置在热交换器下游的第二温度传感器。燃煤发电厂设置有控制装置，其基于由第一温度传感器检测的排气温度和由第二温度传感器检测到的供水温度来调节第一和第二流量控制阀的开度。版权所有（C）2011，JPO＆INPIT

67. 发明专利

JP2010196962A Oxygen combustion boiler plant and method of operating the same 有权
标题翻译：氧气燃烧锅炉及其运行方法
公开(公告)号：JP2010196962A
公开(公告)日：2010-09-09
申请号：JP2009041637
申请日：2009-02-25
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： YAMADA AKIHIKO , SHIBATA TSUTOMU , HAYASHI YOSHIHARU
IPC分类号： F23C9/08 , C01B32/50 , F22B31/00 , F22B35/00 , F23L7/00
CPC分类号： F23C9/003 , F01K13/02 , F23C9/08 , F23C2202/00 , F23C2202/50 , F23L7/007 , F23L2900/07001 , F23N2027/02 , F23N2037/04 , F23N2041/10 , Y02C10/06 , Y02E20/322 , Y02E20/344
摘要： PROBLEM TO BE SOLVED: To reduce the amount of emission of carbon dioxide during low load of an oxygen combustion boiler. SOLUTION: This oxygen combustion boiler plant includes two boilers for injecting gas including oxygen in higher concentration than that in the air, gas including carbon dioxide in higher concentration than that in the air and fuel from a burner and generating steam by combustion gas within a furnace. The oxygen combustion boiler plant comprises: exhaust gas supply piping for supplying exhaust gas discharged from the first boiler to a burner of the second boiler; and a gas flow rate control circuit for controlling a flow rate of exhaust gas made to flow in the exhaust gas supply piping. The amount of emission of carbon dioxide during the low load of the oxygen combustion boiler can be reduced. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了减少氧燃烧锅炉的低负荷期间的二氧化碳排放量。解决方案：该氧燃烧锅炉设备包括两个锅炉，用于将气体（包括氧）浓度高于空气，包括二氧化碳浓度高于空气中的二氧化碳，燃烧燃料的燃料和燃烧气体产生蒸气在炉内氧气燃烧锅炉设备包括：用于将从第一锅炉排出的排气供给到第二锅炉的燃烧器的排气供给管道; 以及气体流量控制电路，用于控制在排气供给配管中流动的废气的流量。氧燃烧锅炉的低负荷期间的二氧化碳排放量可以减少。版权所有（C）2010，JPO＆INPIT

68. 发明专利

JP2010107129A Oxygen burning boiler system and method of controlling the same 有权
标题翻译：氧气燃烧锅炉系统及其控制方法
公开(公告)号：JP2010107129A
公开(公告)日：2010-05-13
申请号：JP2008280675
申请日：2008-10-31
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SHIBATA TSUTOMU , TANIGUCHI MASAYUKI , YAMADA AKIHIKO , HAYASHI YOSHIHARU
IPC分类号： F23C9/08 , F23C6/04 , F23C99/00 , F23J15/00 , F23K3/02 , F23L7/00
CPC分类号： F23C9/003 , F23C2202/20 , F23L7/007 , Y02E20/344
摘要： PROBLEM TO BE SOLVED: To provide an oxygen burning boiler system and a method of controlling the oxygen burning boiler system, for further reducing a generation amount of fuel NOx. SOLUTION: An exhaust gas intake port is installed on the downstream side of a dry type dust removing device installed in a gas duct, and the oxygen burning boiler system includes a recirculating gas property control device for making the concentration of oxygen supplied to an after gas port lower than the concentration of oxygen supplied to a burner. In the oxygen burning boiler system and method of controlling the oxygen burning boiler system, the generation amount of fuel NOx is further reduced. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供氧燃锅炉系统和控制氧燃锅炉系统的方法，以进一步减少燃料NOx的产生量。解决方案：排气进气口安装在安装在气体管道中的干式除尘装置的下游侧，氧燃锅炉系统包括一个再循环气体性质控制装置，用于使供应的氧气浓度后气体端口低于供应到燃烧器的氧气浓度。在氧燃锅炉系统和氧燃锅炉系统的控制方法中，燃料NOx的产生量进一步降低。版权所有（C）2010，JPO＆INPIT

69. 发明专利

JP2010101587A Oxygen burning boiler and method of controlling the same 有权
标题翻译：氧气燃烧锅炉及其控制方法
公开(公告)号：JP2010101587A
公开(公告)日：2010-05-06
申请号：JP2008275034
申请日：2008-10-27
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： HAYASHI YOSHIHARU , YAMADA AKIHIKO , SHIBATA TSUYOSHI
IPC分类号： F22B35/00 , F22G5/06 , F23L7/00
CPC分类号： F23C9/003 , F01K13/02 , F22B35/002 , F22B35/18 , F23C2202/30 , F23L7/007 , F23L2900/07001 , F23N1/042 , F23N5/006 , F23N2021/12 , F23N2037/20 , F23N2037/28 , Y02E20/322 , Y02E20/344
摘要： PROBLEM TO BE SOLVED: To provide a highly reliable oxygen burning boiler suppressing cost required for modification when a coal fired boiler used as an existing air burning boiler is used as the oxygen burning boiler and preventing deterioration and slagging of the oxygen burning boiler due to high temperature gas to enable stable operation for a long time.
SOLUTION: In the oxygen burning boiler 1, an oxygen separator 23 for separating air to produce oxygen is installed, and a recirculation fan 26 for sending part of exhaust gas branched from exhaust gas discharged from a boiler to the oxygen burning boiler 1 is installed. A temperature sensor 14a for detecting gas temperature is installed at a boiler outlet 1d of the oxygen burning boiler 1. A control device for calculating gas temperature at a furnace outlet 1c within the boiler based on the gas temperature at the boiler outlet 1d detected by the temperature sensor and controlling the operating state of the recirculation fan so that the calculated gas temperature of the furnace outlet 1c becomes set gas temperature is installed.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种高可靠性的氧燃锅炉，当将用作现有空气燃烧锅炉的燃煤锅炉用作氧燃锅炉并防止氧燃锅炉的劣化和结渣时，抑制改造所需的成本由于高温气体使得能够长期稳定运行。解决方案：在氧燃锅炉1中，安装用于分离空气以产生氧气的氧分离器23，以及再循环风扇26，用于将从锅炉排出的废气中分出的一部分排气送到氧燃锅炉1 已安装。用于检测气体温度的温度传感器14a安装在氧气燃烧锅炉1的锅炉出口1d处。一种控制装置，用于根据由锅炉出口1d检测的锅炉出口1d处的气体温度来计算锅炉内的炉出口1c处的气体温度控制再循环风扇的工作状态，使炉出口1c的计算出的气体温度设定为气体温度。版权所有（C）2010，JPO＆INPIT

70. 发明专利

JP2009228995A Coal type discriminating device and coal type discriminating method for coal burning boiler 有权
标题翻译：燃煤锅炉的煤类型识别装置和煤类型分辨方法
公开(公告)号：JP2009228995A
公开(公告)日：2009-10-08
申请号：JP2008075695
申请日：2008-03-24
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KUSUMI HISAHIRO , YAMADA AKIHIKO , HAYASHI YOSHIHARU , SEKIAI TAKAO , EGUCHI TORU , FUKAI MASAYUKI , SHIMIZU SATORU
IPC分类号： F23N5/00
摘要： PROBLEM TO BE SOLVED: To provide a coal type discriminating device for a coal burning boiler can accurately and quickly discriminate a coal type by taking into consideration the fluctuation typical to plants and perform operation of the coal burning boiler corresponding to the coal type. SOLUTION: The coal type discriminating device of the coal burning boiler for discriminating the coal type based on a measurement signal of the coal burning boiler to be controlled includes: an exterior input interface for taking in a measurement signal from a controlling object, a measurement signal database for retaining the measurement signal taken in from the controlling object, a model for estimating a measurement signal value obtained when an operating signal is provided to the coal burning boiler to be controlled for each coal type, a learning part for learning a generation method of a model input so that a model output estimated by the model achieves a model output target value, an estimating part for calculating a difference between the measurement signal retained in the measurement signal database with the measurement signal estimated by the model as an estimation signal, and a determination part for determining a coal type or a mixed coal rate based on the estimation signal calculated by the estimating part. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种燃煤锅炉的煤型识别装置，可以通过考虑到植物典型的波动并对与煤类相对应的燃煤锅炉进行操作来准确和快速地区分煤种。解决方案：用于基于要控制的燃煤锅炉的测量信号来识别煤种的燃煤锅炉的煤种识别装置包括：用于从控制对象接收测量信号的外部输入接口，用于保持从控制对象取入的测量信号的测量信号数据库，用于估计当向每个煤型控制的燃煤锅炉提供操作信号时获得的测量信号值的模型，用于学习模型输入的生成方法，使得由模型估计的模型输出实现模型输出目标值，估计部分，用于计算保留在测量信号数据库中的测量信号与由模型估计的测量信号之间的差作为估计信号，以及基于估计信号确定煤炭类型或混煤速率的确定部件 l由估计部分计算。版权所有（C）2010，JPO＆INPIT

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