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1. 发明专利

JPH0990091A AUXILIARY COOLING SYSTEM FOR REACTOR POWER PLANT 失效
公开(公告)号：JPH0990091A
公开(公告)日：1997-04-04
申请号：JP24735395
申请日：1995-09-26
申请人： TOSHIBA CORP , TOSHIBA ENGINEERING CO
发明人： SATO TAKASHI , SHIOIRI AKIO , NAGASE TATSUO , TANABE AKIRA , SHIMIZU TAKEO , TSUTAGAWA MASAHIRO
IPC分类号： G21D1/00
摘要： PROBLEM TO BE SOLVED: To enable performing maintenance and inspection of a heat exchanger in operation in neighboring two reactor power plants. SOLUTION: In an auxiliary component cooling system of a reactor power station, consisting of three trains in accordance with the safety separation divisions I, II, III of reactor power plant, connection pipes 13 and 14 connecting between cooling water supply pipes 1 and cooling water returning pipes 2 of two neighboring reactor power plants for each same division are placed. By this, mutual backup becomes possible, the heat exchanger in the supplied side can be isolated and even if an event occurs in the supplied side plant, reactor cooling is made possible with remaining systems and the cooling capability of the supplying side plant. The isolated heat exchanger in the supplied side including sea water pumps and sea water pipes is made possible to perform maintenance during normal operation.

2. 发明专利

JP2001183493A IN-PLANT STEAM FACILITIES IN NUCLEAR POWER PLANT 失效
公开(公告)号：JP2001183493A
公开(公告)日：2001-07-06
申请号：JP36874099
申请日：1999-12-27
申请人： TOSHIBA CORP , TOSHIBA ENGINEERING CO
发明人： WATANABE YOSHIHIKO , SHIOIRI AKIO
IPC分类号： G21D1/00 , F22D1/50 , F22D11/06
摘要： PROBLEM TO BE SOLVED: To removing periodic maintenance and inspection items for in-plant steam facilities and arrangement spaces for various equipment and improve the efficiency of a boiler. SOLUTION: A steam drum 1 of a subsidiary boiler and a plurality of steam using loads 5 in parallel are connected via steam supply pipes 4. The downstream side of each of the steam using loads 5 is connected to a condensate collection pipe 7 via a steam trap 6. The condensate collection pipe 7 is connected to a water supply tank 26 via a condensate transfer pipe 17. The water supply tank 26 is connected to the steam drum 1 via a water supply pump 27 and a water supply pipe 20. The water supply tank 26 is formed, by integrating a conventional flush tank with a water supply tank, and the water supply pump 27 is formed by integrating a conventional condensate transfer pump with a water supply pump. Therefore, this is no need for double installation of a tank and a pump.

3. 发明专利

JPH11226345A DEHUMIDIFIER 失效
公开(公告)号：JPH11226345A
公开(公告)日：1999-08-24
申请号：JP5587798
申请日：1998-02-19
申请人： TOSHIBA PLANT KENSETSU CO LTD , TOSHIBA CORP , TOSHIBA ENGINEERING CO
发明人： KAWANO KANJI , KAGAWA TAKESHI , WAKAMATSU TOSHIFUMI , SHIOIRI AKIO , HAGA SHUNICHI
IPC分类号： B01D53/22 , B01D53/26 , B01D63/02
摘要： PROBLEM TO BE SOLVED: To provide a dehumidifier using a polymer separation membrane to obtain highly dreed gas. SOLUTION: A gas introducing room 5 for a humid gas 11 and a gas exhausting room 6 for a dry gas 12 are respectively provided on the primary side and the secondary side of a polymer separation membrane 7 which is hydrophilic and through which gas hardly permeates but water easily permeates and a purge room 15 is provided on the outside of the polymer separation membrane 7 and a part of the dry gas 12 is introduced into the purge room 15 as a purge gas 13 and a vacuum means 19 for making the inner pressure of the purge room 15 vacuum is provided.

4. 发明专利

JPH09218286A ATOMIC POWER PLANT 失效
公开(公告)号：JPH09218286A
公开(公告)日：1997-08-19
申请号：JP2557896
申请日：1996-02-13
申请人： TOSHIBA CORP , TOSHIBA ENGINEERING CO
发明人： MIYANAGA HIROSHI , SHIOIRI AKIO
IPC分类号： G21C7/16
摘要： PROBLEM TO BE SOLVED: To reduce inspection and maintenance according to reduced machines and reduce exposure to an operator in the meantime by supplying charge water or purge water from a common control rod driving water supplier to a control rod driving mechanism and a water pressure control unit of a plurality of atomic power plants. SOLUTION: A control rod driving water supplier comprises a condensate storage pool 1, a control rod driving water pump 2, a strainer 3, various valves, a pipe 4 and so on which are commonly used by two atomic power plants. Water introduced from the condensate storage pool 1 or a condensate system pipe 5a of a plant A and a condensate system pipe 5b of a plant B is raised in pressure by the control rod driving water pump 2, passes through the strainer 3, is adjusted in a flow rate by flow rate adjusters 6a, 6b, and then the water is supplied to control rod driving mechanisms 8a, 8b as purge water so that pile water may not mix into the mechanisms 8a, 8b from atomic pressure vessels 9a, 9b. After a scram, the water is supplied as charge water to water pressure control units 7a, 7b and a control rod driving mechanisms 4a, 4b.

5. 发明专利

JP2000334253A COMPRESSED AIR SUPPLY DEVICE FOR STATION SERVICE 失效
公开(公告)号：JP2000334253A
公开(公告)日：2000-12-05
申请号：JP15008399
申请日：1999-05-28
申请人： TOSHIBA PLANT KENSETSU CO LTD , TOSHIBA CORP , TOSHIBA ENGINEERING CO
发明人： WAKAMATSU TOSHIFUMI , KAWANO KANJI , SHIOIRI AKIO , HAGA SHUNICHI , IGARASHI TSUTOMU
IPC分类号： B01D53/22 , B01D53/26 , B01D63/02 , B01D63/04 , F24F3/14
摘要： PROBLEM TO BE SOLVED: To prevent rust from generating in pipes and load facilities connected to a compressed air pipeline at a low cost by providing an air dryer of a hollow fiber separation membrane type for separating the moisture content in compressed air by membrane permeation in the compressed air pipeline for supplying the compressed air from an air compressor to the load facilities. SOLUTION: In this compressed air supply device for station service, the compressed air pipeline 3 is connected to the outlet side of the air compressor and a posterior cooler, a water separator and an air storage tank are successively provided in this pipeline 3. The air dryer 20 of a hollow fiber separation membrane type for separating the moisture content in the compressed air by membrane permeation is also provided on this pipeline 8 of the outlet side of the air storage tank. The air dryer 20 is provided with plural hollow fiber membrane separation modules 21 connected in parallel, an inlet side common pipe 22 and an outlet side common pipe 23 connected to the modules, a header 24 and a drain trap 25 connected to the pipe 22 and a pre-filter 26 and a mist separator 27 provided in series between the pipeline 3 and the header 24.

6. 发明专利

JPH10235135A DEVICE FOR GAS DEHUMIDIFICATION 失效
公开(公告)号：JPH10235135A
公开(公告)日：1998-09-08
申请号：JP5833297
申请日：1997-02-25
申请人： TOSHIBA ENG & CONSTR , TOSHIBA CORP , TOSHIBA ENGINEERING CO
发明人： KAWANO KANJI , WAKAMATSU TOSHIFUMI , SHIOIRI AKIO , HAGA SHUNICHI
IPC分类号： B01D53/22 , B01D46/00 , B01D53/26 , B01D63/02
摘要： PROBLEM TO BE SOLVED: To prevent a polymer separation membrane from being damaged by gas for purging in a device for gas dehumidification in which the polymer separation membrane is used. SOLUTION: A polymer separation membrane 4 for removing moisture is arranged in a cylindrical vessel 2. Gas 14 for purging is supplied to a dehumidification chamber 12 formed between the polymer separation membrane 4 and the cylindrical vessel 2. The dehumidification device for gas is constituted so that gas 14 for purging does not give shearing force to the polymer separation membrane 4 and flows in parallel along the longitudinal direction from an end part on the side in the outer peripheral face to the end part on the other side.

7. 发明专利

JP2001183492A COOLING SEA WATER FACILITIES IN NUCLEAR POWER PLANT 失效
公开(公告)号：JP2001183492A
公开(公告)日：2001-07-06
申请号：JP36873999
申请日：1999-12-27
申请人： TOSHIBA ENGINEERING CO , TOSHIBA CORP
发明人： WATANABE YOSHIHIKO , SHIOIRI AKIO
IPC分类号： G21C15/18 , G21D1/00 , G21D9/00
摘要： PROBLEM TO BE SOLVED: To prevent deposition of marine organisms on sea water heat exchangers, set up in a nuclear power plant and facilitate maintenance and inspection. SOLUTION: The cooling sea water facilities in the nuclear power plant have a closed loop plane water system for supplying cooling water to cooled equipment in the nuclear power plant and first and second sea water cooling systems used for heat exchange of the cooling water in the plain water system. A hot water supply distribution pipe 19 is connected to sea water supply pipes 11 (11a, 11b) at the sea water system side for sea water heat exchangers 4 (4a, 4b), and the hot water supply distribution pipe 19 is connected to a hot water manufacturing device 17 via a hot water supply master pipe 18. By carrying a hot water from the hot water manufacturing device 17 to the sea water heat exchangers 4 (4a, 4b) and sea water pumps 10 (10a, 10b), the deposition of marine organisms is prevented and the maintenance and inspection of sea water equipment are facilitated.

8. 发明专利

JPH09243779A NUCLEAR REACTOR 失效
公开(公告)号：JPH09243779A
公开(公告)日：1997-09-19
申请号：JP5213196
申请日：1996-03-08
申请人： JAPAN ATOMIC POWER , TOSHIBA CORP
发明人： YOSHIOKA YUZURU , KADOTANI MITSUTO , TABATA HIROAKI , SUGANO MINORU , YOSHIHISA YASUMASA , NARABAYASHI SUNAO , ARAI KENJI , YANO TAKASHI , SHIOIRI AKIO , OIKAWA HIROHIDE , MIZUMACHI WATARU , YASUOKA MAKOTO
IPC分类号： G21C15/18
摘要： PROBLEM TO BE SOLVED: To properly cope with a minor rupture accident and improve the safety and economic property of a nuclear reactor by injecting water into a reactor vessel by a steam injector. SOLUTION: When a minor rupture accident occurs, an automatic pressure reducing system 5 or an isolation condenser is operated to reduce the internal pressure of a reactor pressure vessel 2. When the internal pressure of the vessel 2 is lowered to a prescribed value, a low pressure core water injecting system 16 is operated. After several minutes from operation start, combining water from a steam injector 17 is injected into the vessel 2. The internal pressure of the vessel 2 is lowered by water injection of the water injecting system 16, and when the downstream side pressure of a check valve 14 becomes lower than the head pressure of a pool 11, the valve 14 is opened to inject water in the pool 1 into the vessel 2 through a piping 12. Just after the occurrence of the minor rupture accident, the level in the vessel is recovered and kept by water injection of the water injecting systems 16, 10 to ensure the cooling of a core 3. The steam in the vessel 2 is released into the dry well DW of a reactor container 1 to ensure a long-term cooling.

9. 发明专利

JPS6420493A BORIC ACID WATER INJECTING DEVICE 失效
公开(公告)号：JPS6420493A
公开(公告)日：1989-01-24
申请号：JP17583987
申请日：1987-07-16
申请人： TOSHIBA CORP
发明人： SHIOIRI AKIO
IPC分类号： G21C9/02
摘要： PURPOSE:To assure the deflectless characteristic of a fuel rod by connecting a piping to a boric water tank via a sluice valve from the lower part of a pressure suppression chamber installed upper than a nuclear reactor and further connecting a piping from the boric water tank via a water injecting valve to the nuclear reactor. CONSTITUTION:A reducing valve 7 is opened and steam is condensed by a pressure suppression pool 1A to reduce the pressure in the nuclear reactor in the event of the generation of such a state with the nuclear reactor that the control rod cannot be inserted. When the pressure of the nuclear reactor attains the set value indicating that the pressure thereof drops below the static head of the pressure suppression pool 1A, the water injecting valve 4A and the sluice valve 9 are opened by this signal and the signal indicating that the control rod is not yet inserted. The boric acid water in the boric acid water tank 10 is then admitted into the nuclear reactor 5 by the static head of the pressure suppression pool and in succession, the pressure suppression pool water is also admitted therein. The nuclear reactor is thereby shut down and the water level of the nuclear reactor is assured. The defectless characteristic of the nuclear reactor is thus maintained.

10. 发明专利

JP2003315482A Ventilation facility at top part of reactor pressure vessel 有权
标题翻译：反应堆压力容器顶部的通风设施
公开(公告)号：JP2003315482A
公开(公告)日：2003-11-06
申请号：JP2002118377
申请日：2002-04-19
申请人： Toshiba Corp , 株式会社東芝
发明人： YAMAMOTO YUJI , KURODA MICHITOMO , SHIOIRI AKIO
IPC分类号： G21C13/00 , G21C15/18
CPC分类号： Y02E30/40
摘要： PROBLEM TO BE SOLVED: To provide ventilation facilities at the top part of a reactor pressure vessel capable of efficiently and reliably preventing non-condensable gases from being accumulated in the vicinity of the top part of the reactor pressure vessel and performing highly reliable and stable operation.
SOLUTION: The ventilation facilities 20 at the top part of the reactor pressure vessel (RPV) is provided with both an RPV head spray system 31 for supplying cooling water for an RPV head spray nozzle 36 at the upper part of the RPV 22 and a RPV ventilation system 30 for guiding non-condensable gases which occurs during operation of a reactor to a main steam pipe 37. The RPV head spray system 31 is provided with a branched ventilation system 32 branched from a check valve 39, provided on RPV head spray piping 38, on the side of the RPV 22. The branched ventilation system 32 is constituted in such a way as to guide the non-condensable gases which occur in the RPV 22 to the side of the main steam pipe 27 with the RPV ventilation system 30 during normal operation of the reactor.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：在反应堆压力容器的顶部设置通风设备，能够有效且可靠地防止不可冷凝气体积聚在反应堆压力容器的顶部附近并且执行高可靠性稳定运行。解决方案：反应堆压力容器（RPV）顶部的通风设备20设有RPV喷头系统31，用于在RPV 22的上部为RPV喷头喷嘴36供应冷却水以及RPV通风系统30，用于将在反应器操作期间发生的不可冷凝气体引导到主蒸汽管道37.RPV喷头系统31设置有分支式通气系统32，其从设置在RPV上的止回阀39分支头部喷射管道38在RPV 22的一侧。分支通气系统32构成为将RPV 22中发生的不可冷凝气体引导到主蒸汽管27侧的RPV 通风系统30在反应堆的正常运行期间。版权所有（C）2004，JPO

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