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11. 发明专利

JP2014149138A Direct expansion type cooling device 审中-公开
标题翻译：直接膨胀型冷却装置
公开(公告)号：JP2014149138A
公开(公告)日：2014-08-21
申请号：JP2013019268
申请日：2013-02-04
申请人： Toho Gas Co Ltd , 東邦瓦斯株式会社
发明人： YAMAGUCHI YUKIHIRO , ITO YOSHIHARU , SHINKAWA TOMOJI
IPC分类号： F25B1/00 , F25B27/02
CPC分类号： F25B2341/0012 , Y02A30/274
摘要： PROBLEM TO BE SOLVED: To provide a direct expansion type cooling device capable of reducing work amount in a compressor and improving energy efficiency of the whole device.SOLUTION: A direct expansion type cooling device 1 includes, other than a compressor 2, a condenser 3, an expansion valve 4 and an evaporator 5, a booster pump 61 which takes out a part of coolant C2 condensed by the condenser 3 and boosts the part of coolant, a temperature elevating means 62 which elevates temperature of the coolant C2 boosted by the booster pump 61 and an ejector 7 which supplies coolant C1 to an inlet of the condenser 3 from the temperature elevating means 62. The ejector 7 is configured so as to draw out a part of the coolant C1 from a middle port 203 disposed between the inlet 201 and an outlet 202 of the compressor 2, suck the part of the coolant as suction flow and cause mixed coolant C3 produced by the suction to flow to a coolant pipe 8A joining the condenser 3 from the compressor 2 when the coolant C1 of which the temperature is elevated by the temperature elevating means 62 is caused to flow in as driving flow.
摘要翻译：要解决的问题：提供一种能够减少压缩机中的工作量并提高整个装置的能量效率的直接膨胀型冷却装置。解决方案：直接膨胀式冷却装置1除了压缩机2外还包括冷凝器3 ，膨胀阀4和蒸发器5;升压泵61，其取出由冷凝器3冷凝的冷却剂C2的一部分并使冷却剂的一部分升压;升温装置62，其升高由升压器升压的冷却剂C2的温度; 泵61和喷射器7，其从温度升高装置62向冷凝器3的入口供应冷却剂C1。喷射器7构造成从设置在入口201之间的中间端口203抽出一部分冷却剂C1 和压缩机2的出口202，抽吸冷却剂的一部分作为吸力，并使由抽吸产生的混合冷却剂C3流入冷凝管8A，冷凝管8A从压缩机2接合冷凝器3 使温度升高装置62升高的冷却液C1作为驱动流动流入。

12. 发明专利

JP2006291905A Failure detecting device for power generation system 有权
标题翻译：发电系统故障检测装置
公开(公告)号：JP2006291905A
公开(公告)日：2006-10-26
申请号：JP2005115964
申请日：2005-04-13
申请人： Toho Gas Co Ltd , 東邦瓦斯株式会社
发明人： YAMAWAKI HIROSHI , ITO YOSHIHARU , TAKAHASHI YOSHIHIRO , YONEZAWA RIKIDO
IPC分类号： F02D45/00 , F02D29/06
摘要： PROBLEM TO BE SOLVED: To provide a failure detecting device having simple construction for quickly detecting the occurrence of a failure in a stationary engine with high detecting accuracy.
SOLUTION: In an import step, the failure detecting device for a power generation system imports pressure data P(i) and generation output data W(i). In an assumed value calculation step, it calculates a generation output assumed value Ws(i) at a determination time from a relationship between the pressure change rate of the pressure data P(i) at the determination time (a present time) to pressure data P(i-1) at a past time and a generation output assumed value Ws(i-1) at the past time. Then, in a failure determination step, it detects that a failure occurs in the stationary engine when determination data X(i) calculated in accordance with the rate of the generation output data W(i) at the determination time to the generation output assumed value Ws(i) at the determination time or a difference therebetween is out of a preset reference range A.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有简单结构的故障检测装置，用于以高检测精度快速检测固定发动机的故障的发生。解决方案：在导入步骤中，用于发电系统的故障检测装置输入压力数据P（i）和产生输出数据W（i）。在假定值计算步骤中，从确定时刻（当前时刻）的压力数据P（i）的压力变化率与压力数据（当前时刻）之间的关系，算出判定时刻的发电输出假定值Ws（i） P（i-1）和过去时间的产生输出假定值Ws（i-1）。然后，在故障判定步骤中，当根据在确定时刻的产生输出数据W（i）的比率计算出的产生输出假定值的确定数据X（i）时，检测到在静止引擎中发生故障 Ws（i）在确定时间或它们之间的差异在预设的参考范围A之外。版权所有者：（C）2007，JPO＆INPIT

13. 发明专利

JP2004019562A Exhaust heat recovery system 审中-公开
公开(公告)号：JP2004019562A
公开(公告)日：2004-01-22
申请号：JP2002176248
申请日：2002-06-17
申请人： Toho Gas Co Ltd , 東邦瓦斯株式会社
发明人： TAJIMA ATSUYA , ITO YOSHIHARU , NAKAMURA YOSHIHIRO , SHIMIZU TOSHIHARU
IPC分类号： F02G5/04 , F24D3/00 , F25B27/02
CPC分类号： Y02A30/274 , Y02E20/14 , Y02T10/166
摘要： PROBLEM TO BE SOLVED: To provide an exhaust heat recovery system to feed exhaust gas of a gas turbine to an exhaust heat recovery appliance which operates the exhaust heat recovery appliance even when the gas turbine is stopped.
SOLUTION: In the exhaust heat recovery system 1 having: a gas turbine 10 to discharge turbine exhaust gas forming a thermal medium gas; and an absorption water chiller and heater 20 to recover the heat of the thermal medium gas, a duct burner 30 to heat the thermal medium gas is disposed in a connection flow passage 40 to connect the gas turbine 10 to the absorption water chiller and heater 20. A lead-in duct 50 is connected to the connection flow passage 40 to connect the gas turbine 10 to the duct burner 30. In addition, an exhaust blower 60 to suck exhaust gas from the appliance is disposed on a flow outlet 28 which is an outlet of the exhaust gas discharged from the absorption water chiller and heater 20.
COPYRIGHT: (C)2004,JPO

14. 发明专利

JP2011169294A Gas mixing device used for combustion system 审中-公开
标题翻译：用于燃烧系统的气体混合装置
公开(公告)号：JP2011169294A
公开(公告)日：2011-09-01
申请号：JP2010036251
申请日：2010-02-22
申请人： Toho Gas Co Ltd , 東邦瓦斯株式会社
发明人： ITO YOSHIHARU
IPC分类号： F02M21/02 , F02D19/08 , F02D29/06
CPC分类号： Y02T10/32
摘要： PROBLEM TO BE SOLVED: To provide a gas mixing device applicable to an existing combustion system with a simple device structure without requiring equipment modifications, and capable of maintaining a mixing ratio of mixed fuel gas and air supplied to a power generation system in a target ratio even when a heat generation amount of sub fuel gas is varied.
SOLUTION: The gas mixing device 6 is mounted on the power generation system 1 having a gas engine 2. A gas mixing controller 8 determines an estimated density of the sub fuel gas F2 by collating a sub fuel gas flow rate Q2 and a pressure difference ΔP with a pressure difference relation map M1, determines an estimated heat generation amount of the sub fuel gas F2 based on the estimated density, and calculates a mixing ratio of a main fuel gas F1 and the sub fuel gas F2 so that the heat generation amount of the mixed fuel gas Fm is the target heat generation amount with the usage of the estimated heat generation gas amount and the heat generation gas amount of the main fuel gas F1, and an opening of a flow rate control valve 75 is adjusted so as to have that mixing ratio.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决的问题：提供一种适用于具有简单的装置结构的现有燃烧系统的气体混合装置，而不需要设备改造，并且能够保持供应给发电系统的混合燃料气体和空气的混合比甚至当副燃料气体的发热量变化时的目标比例。解决方案：气体混合装置6安装在具有燃气发动机2的发电系统1上。气体混合控制器8通过将次燃料气体流量Q2和利用压力差关系图M1的压力差ΔP根据估计的密度确定副燃料气体F2的估计发热量，并计算主燃料气体F1和副燃料气体F2的混合比，使得热量混合燃料气体Fm的发电量是使用估计的发热量和主燃料气体F1的发热气体量的目标发热量，并且将流量控制阀75的开度调节为具有该混合比。版权所有（C）2011，JPO＆INPIT

15. 发明专利

JP2010275934A Abnormality diagnostic device for gas turbine 有权
标题翻译：用于气体涡轮机的异常诊断装置
公开(公告)号：JP2010275934A
公开(公告)日：2010-12-09
申请号：JP2009129443
申请日：2009-05-28
申请人： Toho Gas Co Ltd , 東邦瓦斯株式会社
发明人： ITO YOSHIHARU
IPC分类号： F02C9/00 , F01D25/00
摘要： PROBLEM TO BE SOLVED: To provide an abnormality diagnostic device for a gas turbine capable of executing abnormality diagnosis simply at an early stage by a little data collection and easily executing abnormality diagnosis even in an existing gas turbine.
SOLUTION: This abnormality diagnostic device 6 includes: a measuring means 61 measuring turbine 3 outlet temperature TOT, compressor 2 inlet temperature CIT, and turbine 3 inlet temperature TIT in a no-load operation state established right before operation stop after a gas turbine 1 is operated at prescribed output; a calculation means 62 determining first temperature difference (TOT-CIT), second temperature difference (TIT-CIT), and third temperature difference (TIT-TOT); and an abnormality detection means 63 detecting occurrence of abnormality of the gas turbine 1 when any of the first, the second and the third temperature difference increases and exceeds a prescribed normal temperature range.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：即使在现有的燃气轮机中，也能够通过少量的数据采集来提供能够简单地在早期执行异常诊断的燃气轮机的异常诊断装置，并且即使在现有的燃气轮机中也容易执行异常诊断。解决方案：该异常诊断装置6包括测量装置61，测量装置61在气体在气体操作停止之前建立的空载操作状态下测量涡轮机3出口温度TOT，压缩机2入口温度CIT和涡轮3入口温度TIT 涡轮机1以规定的输出运行; 计算装置62确定第一温差（TOT-CIT），第二温差（TIT-CIT）和第三温差（TIT-TOT）; 以及当第一，第二和第三温度差中的任一个增加并超过规定的常温范围时，检测燃气轮机1的异常发生的异常检测单元63。版权所有（C）2011，JPO＆INPIT

16. 发明专利

JP2009030492A Power generation system 审中-公开
标题翻译：发电系统
公开(公告)号：JP2009030492A
公开(公告)日：2009-02-12
申请号：JP2007193800
申请日：2007-07-25
申请人： Toho Gas Co Ltd , 東邦瓦斯株式会社
发明人： ITO YOSHIHARU , OZAWA YUJI
IPC分类号： F02M21/02 , F02D19/08 , F02D29/06 , F02D41/04 , F02D41/06 , F02D45/00 , F02M21/04
CPC分类号： Y02T10/32
摘要： PROBLEM TO BE SOLVED: To provide a power generation system capable of operating a gas engine using main fuel gas and auxiliary fuel gas and of stably operating the gas engine even if the heat quantity of the auxiliary fuel fluctuates. SOLUTION: A pressure regulator 61 is provided in auxiliary fuel piping 6 to which auxiliary fuel gas F2 is supplied. A main fuel adjusting valve 51 is provided in a main fuel piping 5 to which main fuel gas F1 is supplied. A throttle valve 3 is provided between a second mixer 7B and an intake manifold 22. A power generating system 1 includes an output control controller 81 adjusting opening of the throttle valve 3 to keep power generation output of a generator 11 at target output and a main fuel control controller 82 adjusting opening of the main fuel adjusting valve 51 adjusting opening of the main fuel adjusting valve 51 to keep pressure in the intake manifold 22 at target pressure corresponding to power generation output. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够使用主燃料气体和辅助燃料气体来操作燃气发动机并且即使辅助燃料的热量波动而稳定地操作燃气发动机的发电系统。解决方案：在供给辅助燃料气体F2的辅助燃料配管6中设置有压力调节器61。主燃料调节阀51设置在供给主燃料气体F1的主燃料配管5中。节气门3设置在第二混合器7B和进气歧管22之间。发电系统1包括调节节流阀3的开度的输出控制控制器81，以将发电机11的发电输出保持在目标输出端，燃料控制控制器82调节主燃料调节阀51的开度，调节主燃料调节阀51的开度，以将进气歧管22中的压力保持在与发电输出相对应的目标压力。版权所有（C）2009，JPO＆INPIT

17. 发明专利

JP2008196360A Power generation system 有权
标题翻译：发电系统
公开(公告)号：JP2008196360A
公开(公告)日：2008-08-28
申请号：JP2007031403
申请日：2007-02-12
申请人： Toho Gas Co Ltd , 東邦瓦斯株式会社
发明人： ITO YOSHIHARU , OZAWA YUJI
IPC分类号： F02D19/08 , F02B43/00 , F02D29/06 , F02D41/04 , F02M21/02 , F02M21/04 , F02M21/06
CPC分类号： Y02T10/32
摘要： PROBLEM TO BE SOLVED: To provide a power generation system capable of maintaining the percentage of the supplied heat amount of sub fuel gas to a gas engine to a predetermined percentage or less allowing safe operation constantly without special control.
SOLUTION: The power generation system 1 operates the gas engine 2 by carrying out mixed combustion of main fuel gas F1 and the sub fuel gas F2, and operates a power generator 11. The sub fuel gas F2 after having the pressure set by a pressure regulator 61 is supplied to the gas engine 2 via a first mixer 7A by suction force upon combustion air A flowing into the first mixer 7A. By regulating an opening of a throttle valve 51 according to a target output of the power generator 11 by a control means 8, the required amount of heat for the target output which is insufficient with only the sub fuel gas 2 is compensated by the main fuel gas F1. The percentage of the supply flow rate of the sub fuel gas F2 with respect to the total supply flow rate of the main fuel gas F1 and the sub fuel gas F2 to the gas engine 2 is maintained at an initially set percentage or less.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种发电系统，其能够将供给到燃气发动机的副燃料气体的供给热量的百分比保持在预定百分比以下，从而能够在不进行特别控制的情况下持续进行安全运行。解决方案：发电系统1通过执行主燃料气体F1和副燃料气体F2的混合燃烧来操作燃气发动机2，并且对发电机11进行操作。副燃料气体F2在压力设定为压力调节器61经由第一混合器7A经由流入第一混合器7A的燃烧空气A上的吸力被供应到燃气发动机2。通过通过控制装置8调节根据发电机11的目标输出的节流阀51的开度，仅用副燃料气体2而不足的目标输出所需的热量由主燃料燃气F1。副燃料气体F2的供给流量相对于主燃料气体F1和副燃料气体F2到燃气发动机2的总供给流量的百分比保持在初始设定的百分比以下。版权所有（C）2008，JPO＆INPIT

18. 发明专利

JP2005299542A Engine 审中-公开
标题翻译：发动机
公开(公告)号：JP2005299542A
公开(公告)日：2005-10-27
申请号：JP2004118013
申请日：2004-04-13
申请人： Mitsubishi Heavy Ind Ltd , Osaka Gas Co Ltd , Toho Gas Co Ltd , 三菱重工業株式会社 , 大阪瓦斯株式会社 , 東邦瓦斯株式会社
发明人： FUJIWAKA TAKAO , NAKAI SHUNSAKU , ITO YOSHIHARU , TAKAHASHI YOSHIHIRO , SHIMODA HIROMI , OGAWA MASAKI
IPC分类号： F02B3/06 , F02B19/10 , F02D19/02 , F02D19/08 , F02D19/10 , F02D41/02 , F02D41/34 , F02D45/00 , F02M21/02
CPC分类号： Y02T10/125 , Y02T10/32
摘要： PROBLEM TO BE SOLVED: To suppress temporary engine revolution speed increase more than tolerance by a simple structure.
SOLUTION: In an engine 100 constructed to perform injection ignition operation in which air fuel mixture MG is ignited by injecting sub fuel SF from a fuel injection valve 25 and burning the same with self ignition in a combustion chamber 1 having air fuel mixture MG composed of main fuel MF compressed and provided with an engine revolution speed establishing means 41 setting engine revolution speed in a target revolution speed range by adjusting intake air quantity of air fuel mixture into the combustion chamber 1, a judgment means 42 judging a high revolution speed condition under which engine revolution speed is more then a target revolution speed range, and a processing means 43 performing revolution speed rise avoidance process reducing or stopping injection volume of sub fuel SF from the fuel injection valve 25 when the judgment means 42 judges the high revolution speed condition is provided.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过简单的结构来抑制临时发动机转速增加超过公差。解决方案：在构造成执行喷射点火操作的发动机100中，其中通过从燃料喷射阀25喷射副燃料SF并且在具有空气燃料混合物的燃烧室1中以自燃点燃来燃烧空气燃料混合物MG 由主燃料MF构成的MG构成，具有通过调节进入燃烧室1的空气燃料混合物的进气量而将目标转速范围内的发动机转速设定为发动机转速建立单元41的判定单元42，发动机转速高于目标转速范围的转速条件，以及执行转速上升回避处理的处理装置43，当判断装置42判断为高时，减少或停止来自燃料喷射阀25的副燃料SF的喷射量提供了转速条件。版权所有（C）2006，JPO＆NCIPI

19. 发明专利

JP2009264220A Steam leakage detection device for steam injection gas turbine 审中-公开
标题翻译：用于蒸汽注入气体涡轮的蒸汽泄漏检测装置
公开(公告)号：JP2009264220A
公开(公告)日：2009-11-12
申请号：JP2008114034
申请日：2008-04-24
申请人： Toho Gas Co Ltd , 東邦瓦斯株式会社
发明人： ITO YOSHIHARU , YONEZAWA RIKIDO
IPC分类号： F02C9/00 , F01D25/00 , F01K21/04 , F01K23/10 , F02C3/30 , F02C6/18 , F02C7/00 , F22B37/38 , G01M3/00 , G01M3/26
CPC分类号： Y02E20/14
摘要： PROBLEM TO BE SOLVED: To provide a steam leakage detecting device capable of detecting presence of leakage of steam in an early stage in a steam bypass system for supplying the steam to a combustor in a steam injection gas turbine.
SOLUTION: The steam leakage detecting device 7 is provided with a reading means 71 for successively reading a measured value by an injection steam pressure gauge 61 as pressure data P(i) and successively reading a measured value by an injection steam flowmeter 62 as flow rate data S(i), and a determination means 72 for calculating standard deviations Pd and Sd for a plurality of the pressure data P(i) and a plurality of the flow rate data S(i) successively read in a prescribed measurement time period T3 and determining that leakage of the steam S occurs in the steam bypass system 6 when a ratio Sd/Pd between the standard deviation Pd of the pressure data P(i) and the standard deviation Sd of the flow rate data S(i) is successively out of the prescribed normal range twice or more.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种蒸汽泄漏检测装置，其能够在用于将蒸汽供应到蒸汽喷射燃气轮机中的燃烧器的蒸汽旁通系统中早期检测蒸汽的泄漏。蒸汽泄漏检测装置7设置有读取装置71，用于通过喷射蒸汽压力计61连续读取测量值作为压力数据P（i），并通过喷射蒸汽流量计62连续读取测量值作为流量数据S（i）和用于计算多个压力数据P（i）的标准偏差Pd和Sd以及以规定的测量顺序读取的多个流量数据S（i）的确定装置72 时间段T3，并且当压力数据P（i）的标准差Pd与流量数据S（i）的标准差Sd之间的比率Sd / Pd在蒸汽旁路系统6中发生蒸汽S的泄漏时，）连续地超出规定的正常范围两次以上。版权所有（C）2010，JPO＆INPIT

20. 发明专利

JP2009062936A Power generation system 审中-公开
标题翻译：发电系统
公开(公告)号：JP2009062936A
公开(公告)日：2009-03-26
申请号：JP2007233242
申请日：2007-09-07
申请人： Toho Gas Co Ltd , 東邦瓦斯株式会社
发明人： ITO YOSHIHARU , OZAWA YUJI
IPC分类号： F02M21/02 , F02B37/00 , F02B43/00 , F02D19/02 , F02D19/08 , F02D41/02 , F02D41/04 , F02M21/04 , F02M21/06
CPC分类号： F02M21/0284 , Y02T10/32
摘要： PROBLEM TO BE SOLVED: To provide a power generation system capable of stably performing fuel-mixing combustion operation with sub-fuel gas, when operating a gas engine by respectively injecting main fuel gas to intake pipes of a plurality of cylinders.
SOLUTION: This power generation system 1 operates a generator 11 by performing two-fuel-mixing combustion operation. The power generation system 1 supplies a compressed sub-fuel mixture M2 of the sub-fuel gas F2 and fuel air A after adjusting pressure by a sub-fuel pressure regulator 61 to the respective cylinders of the gas engine 2 via a supercharger 3, an air-fuel mixture adjusting valve 36 and an intake manifold 22, and supplies the main fuel gas F1 after adjusting pressure by a main fuel pressure regulator 52 to the respective cylinders 21 from respective main fuel injection valves 51. The power generation system 1 has a pressure control controller 82 for adjusting opening of the air-fuel mixture adjusting valve 36 so that pressure of the intake manifold 22 becomes target pressure, and an output control controller 81 for adjusting opening time of a plurality of main fuel injection valves 51 so that power generation output of the generator 11 becomes target output.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够通过分别将主要燃料气体喷射到多个气缸的吸入管来操作燃气发动机，能够使用副燃料气体稳定地进行燃料混合燃烧运转的发电系统。解决方案：该发电系统1通过进行双燃料混合燃烧运转来操作发电机11。发电系统1经由增压器3将辅助燃料气体F2和燃料空气A的压缩副燃料混合物M2供给至燃气发动机2的各个气缸后，由副燃料压力调节器61进行调压，空气 - 燃料混合物调节阀36和进气歧管22，并且通过主燃料压力调节器52将主燃料气体F1调节到相应的主燃料喷射阀51的气缸21之后。发电系统1具有压力控制控制器82，用于调节空气 - 燃料混合物调节阀36的开度，使得进气歧管22的压力成为目标压力;以及输出控制控制器81，用于调节多个主燃料喷射阀51的打开时间，发电机11的发电输出成为目标输出。版权所有（C）2009，JPO＆INPIT

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