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1. 发明专利

JP2004116607A Steam governing valve for nuclear power station 有权
标题翻译：用于核电站的蒸汽管阀
公开(公告)号：JP2004116607A
公开(公告)日：2004-04-15
申请号：JP2002278783
申请日：2002-09-25
申请人： Tokyo Electric Power Co Inc:The , Toshiba Corp , 東京電力株式会社 , 株式会社東芝
发明人： SAWA YUKIHIKO , ASAKURA DAISUKE , YAMAMOTO TETSUZO , NARABAYASHI SUNAO , HOSAKA HIDEO , HOTOKEZAKA SHIGEKI , FUJIKI YASUNOBU , MURAKAMI MASATAKA , ASANUMA YUTAKA , MORI HARUTSUGU , TEZUKA KENICHI
IPC分类号： G21D1/00 , F01D17/10 , F01D25/00 , F16K1/06 , F16K1/34 , F16K47/02
CPC分类号： Y02E30/40
摘要： PROBLEM TO BE SOLVED: To prevent a valve body and a downstream pipe from vibrating effectively by suppressing unstable flow, shock wave and excess flow of steam and fostering valve seat attached flow by a skirt-shaped portion having an appropriate broadening angle.
SOLUTION: A valve casing 5 includes a valve body 56 and a valve seat 58 having a curvature relationship of R=(0.52 to 0.6)D, r>0.6D where the curvature of the valve body 56 is R, the curvature of the valve seat 58 is r, and the bore diameter of the valve seat at a contact point P between the valve body 56 and the valve seat 58 is D, and an edge portion 56a is formed on an end surface on a curved portion on the lower end of the valve body 56, and a skirt-shaped portion extending toward a downstream pipe 3 is formed on the valve seat 58, with a broadening angle θ of the skirt-shaped portion being θ≤6°.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题为了防止阀体和下游管道通过抑制不稳定的流动，冲击波和蒸汽的过量流动并且通过具有适当的变宽角的裙形部分来促进阀座附接流动来有效地振动。阀壳体5包括阀体56和具有曲率关系R =（0.52〜0.6）D，r> 0.6D的阀座58，其中阀体56的曲率为R，曲率阀座58的阀座直径为D，阀体56与阀座58之间的接触点P处的阀座的孔径为D，边缘部56a形成在弯曲部的端面上阀体56的下端和向下游管3延伸的裙状部形成在阀座58上，裙状部的变宽度θ为θ≤6°。版权所有（C）2004，JPO

2. 发明专利

JP2014185563A Steam valve control device, steam turbine system 有权
标题翻译：蒸汽阀控制装置，蒸汽涡轮机系统
公开(公告)号：JP2014185563A
公开(公告)日：2014-10-02
申请号：JP2013060422
申请日：2013-03-22
申请人： Toshiba Corp , 株式会社東芝
发明人： OTAKE TOSHIKAZU , TAKAHASHI MAKOTO , HOSAKA HIDEO
IPC分类号： F01D17/10 , F01D17/00 , F01D17/04 , F01D17/06 , F01D17/20
CPC分类号： F01D17/10 , F02C9/20 , Y10T137/7761
摘要： PROBLEM TO BE SOLVED: To stably operate a steam turbine by restraining mechanical contact from being made in a steam valve when opening/closing operation of the steam valve is performed by a variation in an opening instruction signal.SOLUTION: A steam valve control device according to an embodiment controls a steam valve for adjusting a flow rate of steam flowing into an inlet of a steam turbine. The steam valve control device controls the steam valve so that a limited opening smaller than a maximum opening is an upper limit when speed governing operation is performed.
摘要翻译：要解决的问题：通过限制在蒸汽阀中的机械接触来稳定地操作蒸汽轮机，当通过打开指令信号的变化来执行蒸汽阀的打开/关闭操作时。解决方案：一种蒸汽阀控制装置，实施例控制用于调节流入蒸汽轮机的入口的蒸汽的流量的蒸汽阀。蒸汽阀控制装置控制蒸汽阀，使得当执行调速操作时，小于最大开度的有限开口是上限。

3. 发明专利

JP2009162177A Steam valve and power generation unit 审中-公开
标题翻译：蒸汽阀和发电机组
公开(公告)号：JP2009162177A
公开(公告)日：2009-07-23
申请号：JP2008002260
申请日：2008-01-09
申请人： Toshiba Corp , 株式会社東芝
发明人： OISHI TSUTOMU , HOSAKA HIDEO , ISHII RYUICHI
IPC分类号： F01D17/10 , F01D17/00 , F16K49/00
摘要： PROBLEM TO BE SOLVED: To restrain a thermal stress onto a steam valve by flowing warming steam when a steam turbine is started by providing a warming steam passage to a valve casing.
SOLUTION: In this steam valve, a warming steam passage 18 is provided to a valve casing 4. The warming steam passage 18 has an inlet part 18a at an upstream portion from a valve seat 10 of the valve casing, and comprises a plurality of warming through-holes 18b which are terminal ends near a valve casing bottom 4b via a portion not interfering with an outlet 6 of the valve casing 4, and an outlet seat 18d provided to the valve casing bottom and communicated with the terminal ends of a plurality of the warming through-holes 18a.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：通过向阀壳体提供加热蒸汽通道来启动蒸汽轮机时，通过使加热蒸汽流动来抑制蒸汽阀上的热应力。解决方案：在该蒸汽阀中，将加热蒸汽通道18设置到阀壳体4上。加热蒸汽通道18在阀壳体的阀座10的上游部分具有入口部分18a，并且包括一个多个加热通孔18b是通过不与阀壳体4的出口6相干扰的部分在阀壳体底部4b附近的终端;以及出口座18d，其设置在阀壳底部并与端子多个加温通孔18a。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2008002337A Steam turbine control device and steam turbine control method 有权
标题翻译：蒸汽涡轮控制装置和蒸汽涡轮机控制方法
公开(公告)号：JP2008002337A
公开(公告)日：2008-01-10
申请号：JP2006172092
申请日：2006-06-22
申请人： Toshiba Corp , 株式会社東芝
发明人： HOSAKA HIDEO
IPC分类号： F01D17/20 , F01D17/24
摘要： PROBLEM TO BE SOLVED: To provide a steam turbine control device and a steam turbine control method automatically alleviating a load and stabilizing a system even though a system frequency fluctuates.
SOLUTION: In the steam turbine control device provided with a rotational speed or frequency deviation detection means, a speed regulation rate apparatus, a load setting apparatus, and a low value preference circuit selecting and outputting either a lower value of an additional value of the output signal of the speed regulation rate apparatus and a load set value and a previously set load limiting value, and operated with a steam regulating valve fully opened, a hysteresis circuit outputting a negative signal when deviation reaches a negative value and outputting a positive signal when deviation reaches almost zero, a load setting value increasing/decreasing means inputting the negative signal or the positive signal into the load setting apparatus, and a means monitoring the load setting value and stopping operation for decreasing the load setting value by the load setting value increasing/decreasing means when the load setting value is lowered up to a value corresponding to the rated power of a steam turbine on the basis of the negative signal outputted from the hysteresis circuit are provided.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：即使系统频率波动，提供蒸汽轮机控制装置和蒸汽轮机控制方法自动减轻负载并稳定系统。解决方案：在具有转速或频率偏差检测装置的汽轮机控制装置中，调速率装置，负载设定装置和低价偏好电路，选择并输出附加值的较低值的调速率装置的输出信号和负载设定值和预先设定的负载限制值，并且在蒸汽调节阀完全打开的情况下操作，当偏差达到负值时输出负信号的迟滞电路并输出正当偏差达到几乎为零时的信号，负载设定值增减装置将负信号或正信号输入到负载设定装置，以及监视负载设定值和负载设定值减小负载设定值的停止动作的装置当负载设定值降低到对应于速率的值时，值增加/减小意味着提供基于从滞后电路输出的负信号的蒸汽轮机的功率。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2006233797A Steam turbine controller 审中-公开
标题翻译：蒸汽涡轮控制器
公开(公告)号：JP2006233797A
公开(公告)日：2006-09-07
申请号：JP2005046931
申请日：2005-02-23
申请人： Toshiba Corp , Toshiba Plant Systems & Services Corp , 東芝プラントシステム株式会社 , 株式会社東芝
发明人： TAI TOSHIYUKI , HOSAKA HIDEO
IPC分类号： F01D17/10 , F01D19/00
摘要： PROBLEM TO BE SOLVED: To provide a steam turbine controller capable of opening and closing a steam valve quickly and transmitting a command signal accurately and securely.
SOLUTION: This steam turbine controller is provided with a mechanical-hydraulic control mechanism part for switching a mechanical signal to a pressure oil signal when controlling opening and closing of the steam valve 1. This steam turbine controller is provided with a control system 2 for start operation for supplying pressure oil to the steam valve 1 and a control system 3 for load operation and is provided with a switching device 4 for switching these two control systems freely.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够快速打开和关闭蒸汽阀的蒸汽轮机控制器，并准确可靠地传送指令信号。解决方案：该蒸汽轮机控制器设有机械液压控制机构部件，用于在控制蒸汽阀1的打开和关闭时将机械信号切换为压力油信号。该汽轮机控制器设有控制系统 2，用于向蒸汽阀1供应压力油的开始操作和用于负载操作的控制系统3，并且设置有用于自由切换这两个控制系统的开关装置4。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2009085201A Steam valve and generator set 有权
标题翻译：蒸汽阀和发电机组
公开(公告)号：JP2009085201A
公开(公告)日：2009-04-23
申请号：JP2007259815
申请日：2007-10-03
申请人： Toshiba Corp , 株式会社東芝
发明人： OISHI TSUTOMU , OFUJI TOMOO , HOSAKA HIDEO , IWAI YASUNORI , SAEKI YUSHI
IPC分类号： F01D17/10
CPC分类号： F01D17/10 , F01D17/145 , F05D2220/31 , F05D2250/324 , F05D2250/71 , F05D2250/73 , F16K1/42 , Y10T137/86976 , Y10T137/86984 , Y10T137/87917
摘要： PROBLEM TO BE SOLVED: To significantly reduce a pressure loss by controlling a flow of steam after passing through a valve seat when an amount of steam flown in a steam turbine from a boiler is controlled and blocked. SOLUTION: A reheat steam valve 1 is arranged between a steam inlet flow path 31 for introducing steam from a boiler 51 and a steam outlet flow path 32 for introducing steam into an intermediate pressure turbine 59. The reheat steam valve 1 an intercept valve 20 driven from one side and movable in a predetermined direction, a reheat steam stop valve 21 driven from the other side and movable in the predetermined direction, and a valve seat 9 formed into an annular hollow shape and contacting a regulation valve and a stop valve when the regulation valve and the stop valve move to the other side. An expansion part 10 that projects toward an inside of the steam outlet flow path 32 is disposed on the other side of the valve seat 9. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：通过控制和阻止来自锅炉的蒸汽轮机中流动的蒸汽的量，通过控制通过阀座的蒸汽流量来显着降低压力损失。解决方案：再热蒸汽阀1设置在用于引入来自锅炉51的蒸汽的蒸汽入口流路31和用于将蒸汽引入中压涡轮机59的蒸汽出口流路32之间。再热蒸汽阀1截断阀门20从一侧被驱动并且能够沿预定方向移动;再热蒸汽截止阀21，其从另一侧被驱动并沿预定方向移动，阀座9形成为环形中空形状并与调节阀和止动件接触当调节阀和截止阀移动到另一侧时，阀门。向蒸汽出口流路32的内侧突出的膨胀部10配置在阀座9的另一侧。（C）2009，JPO＆INPIT

7. 发明专利

JP2013124583A Steam valve control device and method 有权
标题翻译：蒸汽阀控制装置及方法
公开(公告)号：JP2013124583A
公开(公告)日：2013-06-24
申请号：JP2011273585
申请日：2011-12-14
申请人： Toshiba Corp , 株式会社東芝
发明人： TAKAHASHI MAKOTO , HOSAKA HIDEO
IPC分类号： F01D17/24 , F01D17/10 , F01D25/00
摘要： PROBLEM TO BE SOLVED: To decrease a pressure loss of a steam regulator valve, and to improve the performance of a steam turbine.SOLUTION: A steam valve control device 21 relating to this embodiment includes a determining means 32a and a control means 32c, 33. The determining means 32a determines whether or not an opening signal for balance type steam regulator valves 11, 13 indicates to open the steam regulator valves 11 to 13 while exceeding a differential pressure stable opening which corresponds to a valve opening upper limit where the steam regulator valves 11 to 13 stably operate by steam differential pressure. When the opening signal indicates an opening operation of the steam regulator valves 11 to 13 while exceeding the differential pressure stable opening, the control means 32c, 33 control the steam regulator valves 11 to 13 to be opened from the differential pressure stable opening to the limit opening of the steam regulator valves 11 to 13.
摘要翻译：要解决的问题：减少蒸汽调节阀的压力损失，并提高蒸汽轮机的性能。解决方案：本实施例的蒸汽阀控制装置21包括确定装置32a和控制装置32c，33.确定装置32a确定平衡型蒸汽调节阀11,13的打开信号是否表示为打开蒸汽调节阀11至13，同时超过对应于蒸汽调节阀11至13通过蒸气压差稳定运行的阀开启上限的差压稳定开度。当打开信号表示蒸汽调节阀11至13在超过差压稳定打开时的打开操作时，控制装置32c，33控制蒸汽调节阀11至13从差压稳定打开至极限蒸汽调节阀11至13的打开。版权所有（C）2013，JPO＆INPIT

8. 发明专利

JP2012202249A Steam valve 有权
标题翻译：蒸汽阀
公开(公告)号：JP2012202249A
公开(公告)日：2012-10-22
申请号：JP2011065472
申请日：2011-03-24
申请人： Toshiba Corp , 株式会社東芝
发明人： OISHI TSUTOMU , HOSAKA HIDEO , TAKAHASHI MAKOTO , IWAI YASUNORI , OTOMO FUMIO
IPC分类号： F01D17/10 , F01D25/00 , F16K1/42
摘要： PROBLEM TO BE SOLVED: To provide a steam valve capable of reducing pressure losses.SOLUTION: A main steam stop valve 130 of the embodiment includes a valve casing 10 for forming a steam flow passage in which steam is introduced in the horizontal direction from an inlet 11, led downwardly in the vertical direction, led in the horizontal direction, and delivered from an outlet 12. It further includes a valve stem 20 having the center axis Oin the vertical direction offset in the distal direction from the outlet side of the valve casing 10 in the horizontal direction from the center axis Oof the steam flow passage directed downwardly in the vertical direction, and provided in an elevating/lowering manner, and a valve element 30 connected to the valve stem 20. It still further includes a valve seat 50 having an expansion part 51 which is arranged in the steam flow passage directed downwardly in the vertical direction in a closing manner from the upper side by the valve element 30, and expanded in the vertical direction in the steam flow passage in the horizontal direction directly connected to the outlet 12 while gradually increasing the sectional area of the flow passage at the end on the downstream side.
摘要翻译：要解决的问题：提供能够减少压力损失的蒸汽阀。解决方案：本实施例的主蒸汽截止阀130包括一个用于形成蒸汽流动通道的阀门壳体10，其中从入口11在水平方向上引入蒸汽，其在垂直方向上向下引导，在水平方向上被引导方向并且从出口12输送。它还包括阀杆20，其在从阀的出口侧沿远端方向偏移的垂直方向上具有中心轴线O 2 壳体10在水平方向上从垂直方向向下的蒸汽流动通道的中心轴线O 1 ，并且以升/降方式设置，阀元件30 它还包括一个阀座50，该阀座50具有膨胀部分51，该膨胀部分51布置在蒸汽流动通道中，该蒸汽流动通道以垂直方向从阀门元件30的上侧以封闭方式向下指向并且膨胀在垂直方向上蒸汽流动通道在水平方向上直接连接到出口12，同时逐渐增加流道在下游端的截面积。版权所有（C）2013，JPO＆INPIT

9. 发明专利

JP2006105130A High temperature steam valve and steam turbine plant equipped with high temperature steam valve 有权
标题翻译：高温蒸汽阀和蒸汽涡轮机配备高温蒸汽阀
公开(公告)号：JP2006105130A
公开(公告)日：2006-04-20
申请号：JP2005236009
申请日：2005-08-16
申请人： Toshiba Corp , 株式会社東芝
发明人： FUKUDA MASAFUMI , HOSAKA HIDEO , OISHI TSUTOMU
IPC分类号： F01D17/10 , F01D25/08 , F01D25/12 , F16K49/00
摘要： PROBLEM TO BE SOLVED: To provide a high temperature steam valve retaining a sliding gap between a valve rod and a bushing appropriately for a long period of time by preventing adhesion and accumulation of oxidation scale on the sliding part by appropriately cooling the sliding part between the valve rod and the bushing provided on a valve rod penetration part of a valve casing.
SOLUTION: In the high temperature steam valve provided with a main steam inlet 3, a main steam outlet 4, a valve casing 2 including a valve chamber 5 therein, a valve seat 6 arranged in the valve chamber 5, a valve body 7 provided with facing the valve seat 6, and the valve rod 10 slidably penetrating passing through the valve casing 2 and actuating the valve body 7, a cooling steam hole 20 is provided to surround the valve rod penetration part of the valve casing 2, cooling steam is introduced to the cooling steam hole 20 from an outside through a cooling steam introduction hole 19, and cooling steam passing through a cooling steam passage is discharged from the cooling steam discharge hole 21 toward the valve rod 10 in the valve chamber 5.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种高温蒸气阀，通过适当地冷却滑动部件，通过防止氧化垢在滑动部件上的粘附和累积，在长时间内适当地保持阀杆和衬套之间的滑动间隙阀杆和设置在阀壳的阀杆穿透部分之间的衬套之间的部分。解决方案：在设有主蒸汽入口3的高温蒸汽阀，主蒸汽出口4，其中包括阀室5的阀壳2，设置在阀室5中的阀座6，阀体设置有面对阀座6的阀杆10和可滑动地穿过阀壳体2并致动阀体7的阀杆10，设置有围绕阀壳体2的阀杆穿透部分的冷却蒸汽孔20，冷却蒸汽从外部通过冷却蒸汽引入孔19被引入冷却蒸汽孔20，并且通过冷却蒸汽通道的冷却水通过冷却蒸汽排出孔21朝向阀室5中的阀杆10排出。 P>版权所有（C）2006，JPO＆NCIPI

10. 发明专利

JP2004118693A Failure diagnosing system for control system of plant and failure diagnosing method 审中-公开
公开(公告)号：JP2004118693A
公开(公告)日：2004-04-15
申请号：JP2002283519
申请日：2002-09-27
申请人： Toshiba Corp , 株式会社東芝
发明人： WATANABE SHUNZO , HOSAKA HIDEO , OKAZAKI MITSUYOSHI , ASAZU SEIICHI , YAMASHITA TATSUO
IPC分类号： F01D25/00 , G05B23/02
CPC分类号： G05B23/0281
摘要： PROBLEM TO BE SOLVED: To provide a failure diagnosing system for a control system of a plant such as a turbine capable of quickly executing the primary diagnosis for the cause of any failure originating from the control system generated in the plant. SOLUTION: When the cause of any failed condition originating from the control system generated in the plant such as turbine is diagnosed presumptively from the feature of the failure phenomenon, plant apparatuses 61a, 61b, etc. involving the cause of the failure are diagnosed presumptively using a control system failure cause-result matrix 6 in which the features 63 of a plurality of failure phenomena constructed in a knowledge base are associated with a plurality of factors 61 and 62 by the correlation (weighting) point number 64. COPYRIGHT: (C)2004,JPO

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