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1. 发明公开

EP3220018A4 SHAFT SEALING MECHANISM 审中-公开
公开(公告)号：EP3220018A4
公开(公告)日：2017-12-27
申请号：EP15869957
申请日：2015-12-15
申请人： MITSUBISHI HITACHI POWER SYS
发明人： OZAKI KOHEI , YOSHIDA AZUMI , UEHARA HIDEKAZU , SHINOHARA TANEHIRO , OYAMA HIROHARU
IPC分类号： F01D11/00 , F16J15/3284
CPC分类号： F01D11/025 , F01D11/001 , F02C7/28 , F05D2240/57 , F05D2240/59 , F16J15/22 , F16J15/3284 , F16J15/3292
摘要： Provided is a shaft sealing mechanism wherein the flexibility of thin-plate seal pieces can be maintained and vibration of the thin-plate seal pieces can be suppressed by partially thickening the thin-plate seal pieces. A shaft sealing mechanism (11) that partitions an annular space (14) that is formed between a fixed part (12) and a rotating shaft (13) into a high-pressure-side region and a low-pressure-side region, that obstructs the flow of a fluid (G), and that is provided with: a plurality of annularly laminated thin-plate seal pieces (22) that are fixed to an annular seal housing (21) that is provided to the fixed part (12) and are in sliding contact with the rotating shaft (13) ; and an annular low-pressure-side plate (26) that is sandwiched and held such that a low-pressure-side gap (´L) is formed between the seal housing (21) and a low-pressure-side side edge part (22d) of the thin-plate seal pieces (22). The thin-plate seal pieces (22) have a thick part (31) that is formed further to the inside in the radial direction of the rotating shaft than an inner-circumferential-side tip part (26a) of the low-pressure-side plate (26).

3. 发明公开

EP2947385A4 MOISTURE SEPARATING AND HEATING DEVICE AND MOISTURE SEPARATING AND HEATING FACILITY WITH SAME 有权
标题翻译：水分密封和加热装置及其湿度检测和加热系统
公开(公告)号：EP2947385A4
公开(公告)日：2016-11-16
申请号：EP14740991
申请日：2014-01-07
申请人： MITSUBISHI HITACHI POWER SYS
发明人： FUJITA ISSAKU , YANO HIROSHI , KAWATANI KORYU
IPC分类号： F22G3/00 , F01K7/22 , G21D1/02
CPC分类号： F22B1/003 , F22G3/006

4. 发明公开

EP2898939A4 FLUE GAS TREATMENT METHOD AND FLUE GAS TREATMENT DEVICE 审中-公开
标题翻译：烟处理工艺及烟处理设备
公开(公告)号：EP2898939A4
公开(公告)日：2016-04-27
申请号：EP13839460
申请日：2013-09-17
申请人： MITSUBISHI HITACHI POWER SYS
发明人： SUGITA SATORU
IPC分类号： B01D53/50 , B01D53/34 , B01D53/77 , B01D53/81 , B01D53/83 , F01N3/08 , F23J15/00 , F23J15/02 , F23J15/06
CPC分类号： F01N3/085 , B01D53/346 , B01D53/501 , B01D53/508 , B01D53/83 , B01D2258/0283 , F23J15/003 , F23J15/02 , F23J15/06 , F23J2215/20 , F23J2219/40 , Y02E20/363 , Y02P80/152
摘要： A method for treating exhaust gas is provided, which includes measuring SO 3 concentration in the exhaust gas which contains at least SO 2 and SO 3 by using an SO 3 gas analyzer; injecting fine particles into the exhaust gas after the step of measuring; cooling the exhaust gas after the step of injection, by recovering heat from the exhaust gas; collecting fly ash from the cooled exhaust gas; and removing at least SO 2 from the exhaust gas after the step of collecting by absorbing the SO 2 with an absorbing solution, wherein the step of injection comprises controlling an injection amount of fine particles so that a weight ratio, which is calculated with an expression "{(A + P)/S)}", a sum of flying dust concentration A and fine particles concentration P to the SO 3 concentration S, becomes 2.0 or higher. In addition, an apparatus for treating exhaust gas is provided, which includes an SO 3 gas analyzer for measuring SO 3 concentration in the exhaust gas which contains at least SO 2 and SO 3 ; a fine particles injector for injecting fine particles into the exhaust gas whose SO 3 concentration has been measured; a heat exchanger for cooling the exhaust gas into which the fine particles have been injected, by recovering heat from the exhaust gas; an electrostatic precipitator for collecting fly ash from the cooled exhaust gas; an absorption tower for removing at least SO 2 from the exhaust gas from which the fly ash have been collected, through a gas-liquid contact between the exhaust gas and an absorbing solution; and a fine particle feed controller for controlling a feeding amount of the fine particles to be injected so that a weight ratio, which is calculated with an expression "{(A + P)/S)}", a sum of flying dust concentration A and fine particles concentration P to the SO 3 concentration S, becomes 2.0 or higher.

5. 发明公开

EP2862621A4 METHOD FOR DISCHARGE GAS DENITRATION 审中-公开
标题翻译：放气组织的方法
公开(公告)号：EP2862621A4
公开(公告)日：2016-02-24
申请号：EP13807776
申请日：2013-06-12
申请人： MITSUBISHI HITACHI POWER SYS
发明人： MATSUYAMA KOTOE , KATO YASUYOSHI , IMADA NAOMI , KAI KEIICHIRO
IPC分类号： B01D53/94 , B01J23/28
CPC分类号： B01J23/28 , B01D53/8625 , B01D2251/2062 , B01D2251/2067 , B01D2251/506 , B01D2255/20707 , B01J21/063 , B01J23/002 , B01J27/055 , B01J2523/00 , B01J2523/47 , B01J2523/55 , B01J2523/68 , B01J2523/13
摘要： In order to provide a method for flue gas denitrification, which can suppress the deterioration of a denitrification catalyst which is used in treatment for a combustion flue gas of biomass, and decreases the frequency of the replacement of the catalyst, the method includes: blowing ammonia or urea as a reducing agent into the flue gas that is formed by a mono-fuel combustion of biomass or a multi-fuel combustion of a biomass fuel and coal; bringing the flue gas into contact with the denitrification catalyst that contains titanium oxide as a main component; and reducing and removing nitrogen oxide contained in the flue gas, wherein sulfuric acid or SO 3 gas is injected into the flue gas which flows upstream of the denitrification catalyst.

6. 发明公开

EP2824370A4 SHAFT SEAL DEVICE 审中-公开
公开(公告)号：EP2824370A4
公开(公告)日：2016-02-24
申请号：EP13757238
申请日：2013-02-01
申请人： MITSUBISHI HITACHI POWER SYS
发明人： UEHARA HIDEKAZU , SHINOHARA TANEHIRO , NISHIMOTO SHIN , NAKANO TAKASHI
IPC分类号： F16J15/22 , F01D11/00 , F01D11/02 , F02C7/28 , F16J15/3288 , F16J15/44 , F16J15/447 , F16J15/48
CPC分类号： F16J15/32 , F01D11/001 , F01D11/025 , F05D2240/59 , F16J15/3288 , F16J15/3292 , F16J15/442
摘要： Provided is a shaft sealing apparatus (1), which includes a seal ring (11) that is installed in an annular space between a rotor (2) and a stator surrounding an outer circumference side of the rotor (2), that is formed in a divided structure from a movable seal ring (12) and a stationary seal ring (13) whose circumferential ends are adjacent to each other, and that is configured so that the movable seal ring (12) is biased toward a radial outer side thereof by an elastic body (28), a seal body (9) that is formed by stacking a plurality of thin seal pieces (10), which extend from the seal ring toward a radial inner side of the rotor, in a circumferential direction of the rotor, and a communicating part (34) that causes the low-pressure side region and the high-pressure side region to communicate with each other.

7. 发明公开

EP2894377A4 ROTATING MACHINE 有权
标题翻译： DREHMASCHINE
公开(公告)号：EP2894377A4
公开(公告)日：2015-11-18
申请号：EP13847399
申请日：2013-10-17
申请人： MITSUBISHI HITACHI POWER SYS
发明人： MATSUMOTO KAZUYUKI , KUWAMURA YOSHIHIRO , OYAMA HIROHARU , TANAKA YOSHINORI
IPC分类号： F16J15/447 , F01D11/08 , F01D25/00 , F16J15/22
CPC分类号： F01D11/001 , F01D11/08 , F16J15/4472
摘要： A steam turbine (1A) through which a fluid flows along an axis is equipped with: a tip shroud (51) for turbine blades (50) that are provided on a shaft that extends with the axis as a center; an outer partition plate ring (11) that is provided on a casing so as to face the tip shroud (51) in a radial direction and be capable of rotating relative to the tip shroud (51) around the axis; seal fins (15) that extend radially inward from the outer partition plate ring (11) and that, with the tip shroud (51), form minute gaps (H) therebetween; and steam introduction surfaces (70a) that are formed on downstream sides of the seal fins (15) and are provided so as to face the seal fins (15) within cavities (C) where a main vortex (Y1), generated from a leakage flow passing through a minute gap (H), is generated, and that guide the flow, generated from the main vortex (Y1), toward the minute gaps (H).
摘要翻译：流体沿轴线流过的蒸汽轮机（1A）装有：用于涡轮叶片（50）的尖端罩（51），其设置在以轴线为中心延伸的轴上; 外隔板环（11），其设置在壳体上以在径向方向面对所述尖端罩（51）并且能够相对于所述尖端罩（51）绕所述轴线旋转; 密封翅片（15），其从所述外隔板环（11）径向向内延伸，并且与所述尖端护罩（51）在其间形成微小间隙（H）; 以及形成在密封翅片（15）的下游侧并且设置成面对空腔（C）内的密封翅片（15）的蒸汽引入表面（70a），其中由泄漏产生的主涡流（Y1）产生通过微小间隙（H）的流动，并且将从主涡流（Y1）产生的流引导到微小间隙（H）。

8. 发明公开

EP2578936A4 COMBUSTION APPARATUS PROVIDED WITH SPRAY NOZZLE 审中-公开
标题翻译：用喷雾喷嘴装置EQUIPPED BURNS
公开(公告)号：EP2578936A4
公开(公告)日：2015-09-09
申请号：EP11789846
申请日：2011-06-01
申请人： MITSUBISHI HITACHI POWER SYS
发明人： OKAZAKI HIROFUMI , KURAMASHI KOJI , OKIMOTO HIDEO , IMOOKA NAOYA , ORII AKIHITO
IPC分类号： F23J7/00 , B01D53/56 , B01D53/79 , B05B1/02 , B05B1/04 , F23C99/00 , F23J15/00
CPC分类号： F23J7/00 , B01D53/79 , B01D2251/2062 , B01D2257/404 , B01D2258/0283 , B05B1/04 , F23J15/003
摘要： To provide a combustion apparatus provided with a spray nozzle (13) for enabling to spread atomized particles of reductant over a wide range in a furnace (1), uniformly mix combustion gas passing through the inside of the furnace (1) with the reductant, promote a reaction of the reductant to the combustion gas, and reduce the amount of nitrogen oxide discharged from the combustion apparatus. The combustion apparatus provided with a spray nozzle (13) is structured so as to arrange a reductant supply system (14) for supplying liquid reductant for contributing to a reduction of nitrogen oxide contained in combustion gas into the furnace (1), install a spray nozzle (13) for spraying the reductant supplied from the reductant supply system (14) as atomized particles spreading into combustion gas passing through the inside of the furnace (1) on a wall surface of the furnace on a downstream side of the burner (2), and install a plurality of spray ports such as spray ports (30 and 31) for forming flat fan-shaped spray having different spread angles of the atomized particles of the reductant sprayed in the furnace at a leading edge of the spray nozzle (13).

9. 发明公开

EP2402657A4 THERMAL POWER PLANT USING LOW-GRADE COAL AS FUEL 审中-公开
标题翻译：煤炭质量低劣AS所用燃料的火电厂
公开(公告)号：EP2402657A4
公开(公告)日：2015-08-12
申请号：EP09840846
申请日：2009-12-10
申请人： MITSUBISHI HITACHI POWER SYS , KYUSHU ELECTRIC POWER
发明人： KOYAMA YOSHINORI , YAMAMOTO TAKASHI , SHINADA OSAMU , ISHII HIROMI , YAMADA HITOJI , KANEKO SHOZO , TOKUDA KIMISHIRO , MOCHIDA ISAO , HARADA TATSURO
IPC分类号： F23K1/04 , F01K9/00 , F23K1/00 , F23K3/02
CPC分类号： F23K1/04 , F01K9/003 , F23J2217/102 , F23K2201/101 , F23K2201/103 , F23K2201/20 , F23K2203/104

10. 发明公开

EP3324008A4 STEAM TURBINE PLANT 审中-公开
公开(公告)号：EP3324008A4
公开(公告)日：2018-08-01
申请号：EP16836946
申请日：2016-07-27
申请人： MITSUBISHI HITACHI POWER SYS
发明人： TAKAHASHI RYOTA , FUJITA ISSAKU , SHIMOHARA YASUAKI , KADOWAKI MITSUMASA
IPC分类号： F01K7/22 , F01D25/32 , F01K3/18 , F01K13/00 , F22B37/26
CPC分类号： F01K7/223 , F01D25/32 , F01K3/181 , F22B37/26 , F22B37/266
摘要： To provide a steam turbine plant that includes a high and intermediate-pressure turbine (21) in which a high-pressure turbine unit (25) is provided at one end in an axial direction (C) and an intermediate-pressure turbine unit (26) is provided at the other end, low-pressure turbines (22, 23) that are arranged coaxially with the high and intermediate-pressure turbine (21), a high-pressure moisture separating-heater (27) that is arranged on a side opposite to the low-pressure turbines (22, 23) in the axial direction (C) of the high and intermediate-pressure turbine (21) so as to remove moisture from steam from the high-pressure turbine unit (25) and feed steam to the intermediate-pressure turbine unit (26), and a low-pressure moisture separating-heater (28) that removes moisture from steam from the intermediate-pressure turbine unit (26) and feeds steam to the low-pressure turbines (22, 23). By having such a configuration, simplification of the structure and decrease of the facility cost are achieved.

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