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21. 发明专利

JPH07127809A FEEDWATER HEATER AND POWER GENERATING PLANT USING THIS FEEDWATER HEATER 失效
公开(公告)号：JPH07127809A
公开(公告)日：1995-05-16
申请号：JP27924493
申请日：1993-11-09
申请人： HITACHI LTD
发明人： TAKAMORI KAZUHIDE , IMAZU SHUICHI , AIHARA TAKESHI , BABA YOSHIKAZU , MINATO AKIHIKO , MURASE MICHIO
IPC分类号： G21D1/00 , F22D1/32 , G21C13/036
摘要： PURPOSE:To improve a heat transferring amount of an entire feedwater heater by a method wherein some steam flowing holes are arranged between a group of holes through which heat transfer tubes of a group of heat transfer tubes on the feedwater inlet side and a group of holes through which the heat transfer tubes of a group of heat transfer tubes on a feedwater outlet side pass in a supporting plate of the heat transfer pipes. CONSTITUTION:There are provided a group of U-shaped heat transfer tubes comprising a group 8 of water feeding inlet side heat transfer tubes 8 and a group 7 of water feeding outlet side heat transfer tubes constructed by a plurality of heat transfer tubes having fed water flowed through them; a cylindrical barrel 2 for storing them; and a steam inlet for heating the fed water flowing in clearances between a plurality of heat transfer tubes. In addition, a heat transfer tube supporting plate 3 is present within the barrel 2, fixed to the barrel 2, wherein each of a plurality of heat transfer tubes is passed through the through-pass holes 4 and 5 punched in the plate 3 and thereby the group of U-shaped heat transfer tubes is supported by the barrel 2. Such a feedwater heater 1 is provided with steam flowing holes 12 between a group 4 of holes through which a plurality of heat transfer tubes of a group 6 of the feedwater inlet side heat transfer tubes and a group 5 of holes through which a plurality of heat transfer tubes of a group 7 of the feedwater outlet side heat transfer tubes pass in the heat transfer tube supporting plate 3.

22. 发明专利

JPS5914682B2 JPS5914682B2 - 失效
公开(公告)号：JPS5914682B2
公开(公告)日：1984-04-05
申请号：JP13433080
申请日：1980-09-29
申请人： Hitachi Ltd
发明人： HOSHINO YOSHUKI , IMAZU SHUICHI , MYAI MASAHIKO , OOSHIMA YOSHIKUNI , IZUMITANI MASAKYO
IPC分类号： F22D1/32 , F28B9/10 , F28D7/06 , F28F9/02 , F28F9/22
CPC分类号： F28D7/06 , F22D1/32 , F28B9/10 , F28F9/0202 , Y10S165/211

23. 发明专利

JP2015031437A 給水加熱器及び発電プラント审中-公开
标题翻译：供水加热器和发电厂
公开(公告)号：JP2015031437A
公开(公告)日：2015-02-16
申请号：JP2013160877
申请日：2013-08-02
申请人：株式会社日立製作所 , Hitachi Ltd
发明人： HIROTA MAMORU , YAMAUCHI HIROSHI , FUKUHARA HIROSHI , IMAZU SHUICHI , TAMURA HIROYUKI
IPC分类号： F22D1/32
摘要：【課題】伝熱管を構成する金属材料に耐食性が高い金属を用いなくても、また、給水の純度をあげなくても、蒸気中に含まれる腐食媒に起因した給水加熱器の伝熱管の腐食を抑制することが可能な給水加熱器および発電プラントを提供する。【解決手段】プラント運転中に給水加熱器の伝熱管の外表面を水で濡らして伝熱管の外表面を洗浄するシステムを設ける。例えば、給水加熱器の内部に洗浄ノズルを設置し、プラントの運転中に洗浄ノズルから洗浄水を給水加熱器の伝熱管表面に噴霧する。洗浄水としては給水加熱器のドレン水などを用いる。【選択図】図1
摘要翻译：要解决的问题：提供一种能够抑制由蒸汽包含的腐蚀性介质导致的供水加热器的腐蚀的供水加热器，而不使用具有高抗腐蚀性的金属作为构成传热的金属材料管道，不增加供水纯度，并提供发电厂。解决方案：提供一种系统，通过润湿供水加热器的传热管的外表面来清洁传热管的外表面，工厂运行期间的水。例如，清洁喷嘴安装在供水加热器的内部，并且在设备的操作期间，清洁水从清洁喷嘴喷射到供水加热器的传热管表面。作为清洗水，使用供水加热器等的排水。

24. 发明专利

JP2012037140A Steam condenser, and method of assembling and repairing the same 审中-公开
标题翻译：蒸汽冷凝器及其组装和修理方法
公开(公告)号：JP2012037140A
公开(公告)日：2012-02-23
申请号：JP2010177748
申请日：2010-08-06
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： HIKAGE YOSUKE , TOOMEZUKA JUN , IMAZU SHUICHI , ITO ISAMU
IPC分类号： F28F9/16 , F28B1/02 , F28F9/013 , F28F9/02
摘要： PROBLEM TO BE SOLVED: To provide a steam condenser that can suppress damage of the inside of a cooling pipe due to foreign matter in a cooling water, and to provide a method of assembling and repairing the steam condenser.SOLUTION: The steam condenser includes the cooling pipe 4 whose both ends are supported by an inlet pipe plate 5a and an outlet pipe plate 5b and into which a sea water or a river water, etc are circulated as the cooling water, wherein an insertion tube 10 is attached to an inner circumference surface of the cooling pipe 4 by expansion of the pipe by an expansion roller 30 in an end of the cooling pipe 4 in a side of the inlet pipe plate 5a regarding the steam condenser that condenses an exhaust steam from a steam turbine.
摘要翻译：要解决的问题：提供一种能够抑制由冷却水中的异物引起的冷却管内部的损伤的蒸汽冷凝器，并且提供一种组装和修理蒸汽冷凝器的方法。解决方案：蒸汽冷凝器包括冷却管4，其两端由入口管板5a和出口管板5b支撑，海水或河水等作为冷却水循环，其中插入管10通过膨胀辊30在冷却管4的一端的入口管板5a侧的膨胀辊30膨胀而连接到冷却管4的内周面，来自蒸汽轮机的排气蒸汽。版权所有（C）2012，JPO＆INPIT

25. 发明专利

JP2007224888A Turbine exhaust system 有权
标题翻译：涡轮排气系统
公开(公告)号：JP2007224888A
公开(公告)日：2007-09-06
申请号：JP2006050334
申请日：2006-02-27
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： TAKAHASHI FUMIO , CHIYOUKA SO , IMAZU SHUICHI
IPC分类号： F01D25/30
摘要： PROBLEM TO BE SOLVED: To significantly improve the performance of recovering exhaust pressure and improve an output of a steam turbine.
SOLUTION: In the turbine exhaust system 100, steam flows in from a steam inflow pipe 20 into a turbine stage to drive a turbine rotor 1, and the exhaust is guided to a condenser 200. The exhaust system comprises a casing 2 in an exhaust chamber equipped with a turbine rotor 1 therein, and a casing 5 provided outside the exhaust chamber. The casing 5 covers the casing 2 the exhaust chamber, and makes the exhaust chamber 4 between the casing 2 and the casing 5 to guide exhaust discharged from the turbine stage to the condenser 200. The exhaust system comprises further an exhaust cooling device 50 which jets off a cooling liquid into a dead water region in the exhaust chamber 4 for blow-off from the turbine stage.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：显着提高回收排气压力的性能，提高蒸汽轮机的输出。解决方案：在涡轮机排气系统100中，蒸汽从蒸汽流入管20流入涡轮级，以驱动涡轮机转子1，并且排气被引导到冷凝器200.排气系统包括壳体2，在其中配备有涡轮转子1的排气室和设置在排气室外部的壳体5。壳体5将壳体2覆盖排气室，并且使壳体2和壳体5之间的排气室4将从涡轮机台排出的排气引导到冷凝器200.排气系统还包括排气冷却装置50，将冷却液从排气室4中的死水区域排出，从涡轮机台排出。版权所有（C）2007，JPO＆INPIT

26. 发明专利

JP2006194457A Condenser and its assembling method 有权
标题翻译：冷凝器及其组装方法
公开(公告)号：JP2006194457A
公开(公告)日：2006-07-27
申请号：JP2005003472
申请日：2005-01-11
申请人： Hitachi Engineering & Services Co Ltd , Hitachi Ltd , 株式会社日立エンジニアリング・アンド・サービス , 株式会社日立製作所
发明人： ITO HIDEKI , IMAZU SHUICHI , NAKAHACHI TAKASHI , HASHIMOTO TAKASHI , KOYAMA TAKUYA
IPC分类号： F28F9/00 , F28B1/02 , F28F9/013
摘要： PROBLEM TO BE SOLVED: To provide a condenser and its assembling method capable of improving transporting efficiency of heat exchanger components and easiness in assembling in a power generating unit.
SOLUTION: This condenser for cooling and condensing exhaust steam from a steam turbine, comprises a condenser main body portion 1 receiving the exhaust steam from the steam turbine, and a heat exchanger unit 2 incorporated in the condenser main body portion 1. The heat exchanger unit 2 comprises a plurality of supporting plate blocks 4 formed by unitizing a plurality of supporting plates 3, and a plurality of cooling tubes 5 inserted into the supporting plates 3 after the supporting plate blocks 4 are successively incorporated in the condenser main body portion 1.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决问题的方案：提供一种能够提高热交换器部件的输送效率和发电机组的容易性的冷凝器及其组装方法。解决方案：用于冷却和冷凝来自蒸汽轮机的排气的冷凝器包括：冷凝器主体部分1，其接收来自蒸汽轮机的废气蒸汽;以及热交换器单元2，其结合在冷凝器主体部分1中。热交换器单元2包括多个支撑板块4，其通过将多个支撑板3和多个冷却管5插入到支撑板3中而形成，支撑板块4依次结合在冷凝器主体部分中 1.版权所有（C）2006，JPO＆NCIPI

27. 发明专利

JPS6248762B2 失效
公开(公告)号：JPS6248762B2
公开(公告)日：1987-10-15
申请号：JP9076681
申请日：1981-06-15
申请人： HITACHI LTD
发明人： KANNO SHOZO , IMAZU SHUICHI
IPC分类号： F22D1/32 , F28F9/22

28. 发明专利

JPS626728A PIPE INSERTION GUIDE PROVIDED WITH TRACER 失效
公开(公告)号：JPS626728A
公开(公告)日：1987-01-13
申请号：JP14477585
申请日：1985-07-03
申请人： HITACHI LTD
发明人： IMAZU SHUICHI , YAMANE TAMOTSU , OSHIMA YOSHIKUNI
IPC分类号： B21D53/08 , B21D53/38
摘要： PURPOSE:To improve the efficiency of an inserting work by providing a tracer part of a specified shape or size on the rear side of an insertion guide. CONSTITUTION:A tracer part 7 is provided on the rear side of a head part 6 of an insertion guide. The tracer part 7 has thickness of the almost same degree as an outside diameter of an object thin pipe, and also it is shaped like a tapered shape or a parallel shape, etc. When the insertion guide is inserted into a thin pipe 3, and made to pass through a partition plate 2 and a tube plate 4, an injury 14 is formed in the thin pipe 3 by a burr 17 and a protruded flaw 13 of a pipe hole. In this case, the head part 6 and the tracer part 7 of the insertion guide are damaged and a streak 15 is left. Accordingly, monitoring of an injury of the thin pipe can be performed after the inserting work has been completed. In this way, a waiting time for monitoring becomes unnecessary, also plural inserting devices can be automated, and the efficiency of the inserting work is improved.

29. 发明专利

JPS5844198B2 失效
公开(公告)号：JPS5844198B2
公开(公告)日：1983-10-01
申请号：JP12196778
申请日：1978-10-05
申请人： HITACHI LTD
发明人： IMAZU SHUICHI
IPC分类号： F22D1/32 , F28D7/16 , F28F9/22

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