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81. 发明专利

JPH0154638B2 失效
公开(公告)号：JPH0154638B2
公开(公告)日：1989-11-20
申请号：JP11076584
申请日：1984-06-01
申请人： HITACHI LTD
发明人： TSUKAMOTO MORIAKI , CHINEN MASANORI , SUMIDA ISAO
IPC分类号： F28D15/02 , F28D20/02

82. 发明专利

JPS6416991A NUCLEAR REACTOR CONTAINER 失效
公开(公告)号：JPS6416991A
公开(公告)日：1989-01-20
申请号：JP17297687
申请日：1987-07-13
申请人： HITACHI LTD
发明人： HATAMIYA SHIGEO , MURASE MICHIO , SUZUKI HIROAKI , MASUHARA YASUHIRO , SUMIDA ISAO
IPC分类号： G21C9/004 , G21C9/00
摘要： PURPOSE:To keep pressure increase low in a container by circulating and discharging the noncondensing gas accumulated in the upper free space in a pressure suppressing chamber into a dry well. CONSTITUTION:The noncondensing gas accumulates in the upper free space of the pressure suppressing chamber 3 when the gas in the dry well 5 flows into a suppression pool 8 through a vent pipe 4. There is a gas discharge chamber 9 enclosed by a partition wall 6 having through-holes 7 in the suppressing chamber 3. The inflow and outflow of liquid are generated through the through-holes 7 by the liquid level oscillation of the pool 8. The compression of the gaseous phase part in the upper part is generated by the rise of the liquid level in the discharge chamber 9 by which the pressure is increased. An exhaust valve 2 opens to discharge the noncondensing gas into the dry well 5 when the pressure increases higher than the pressure of the dry well 5. The pressure in the discharge chamber 9 decreases on lowering of the liquid level. A check valve 11 opens to admit the gas from the suppressing chamber 3 to the discharge chamber 9 when said pressure decreases lower than the pressure of the dry well 5. The amt. of the noncondensing gas to be accumulated is decreased by circulating the noncondensing gas to the dry well 5 from the suppressing chamber 3, by which the pressure increases in the container 1 is kept low.

83. 发明专利

JPS64499A NUCLEAR REACTOR PLANT 失效
公开(公告)号：JPS64499A
公开(公告)日：1989-01-05
申请号：JP2198488
申请日：1988-02-03
申请人： HITACHI LTD
发明人： AKIYAMA KOSEI , ITO TETSUO , SUMIDA ISAO
IPC分类号： G21D3/12 , G21C15/02 , G21C15/24 , G21C15/25 , G21D3/00 , G21D3/04 , G21D3/08
摘要： PURPOSE:To simplify the construction of a nuclear reactor by providing a feed water supplying means which introduces part of feed water as driving water to a jet pump and introduces the balance of the feed water to a feed water supercharger in the state of the temp. lower than the temp. of the feed water to be introduced to the jet pump. CONSTITUTION:Part of the feed water diverted on the upper stream of a high- pressure feed water heater 27 is supplied from the feed water supercharger 8 into a reactor pressure vessel 1 without being passed through the heater 27 and the balance of the feed water is supplied through the heater 27 to the jet pump 6 in the vessel 1. The temp. of the feed water supplied to the supercharger 8 by a feed water piping 33 is, therefore, lower than the temp. of the feed water supplied as the driving water into the pump 6 by as much as the water is not heated by the heater 27. The temp. difference between said feed water is adjusted to a prescribed value when the opening angle of a venting valve 41 is controlled by a feed water temp. controller 46. The construction of the reactor is thereby simplified without having the need for providing the means for lowering the temp. of the cooling water sucked into the pump 6 into the reactor.

84. 发明专利

JPS6383693A SECONDARY COOLING SYSTEM OF NUCLEAR REACTOR 失效
公开(公告)号：JPS6383693A
公开(公告)日：1988-04-14
申请号：JP22815686
申请日：1986-09-29
申请人： HITACHI LTD
发明人： HIKICHI TAKAYOSHI , YAMAMOTO HAJIME , SUMIDA ISAO , SHIMOYASHIKI SHIGEHIRO , NEMOTO KIYOMITSU , SATO YOSHIHIKO , TSUDA KATSU
IPC分类号： G21C15/14

85. 发明专利

JPS6383503A HEAT PIPE TYPE STEAM GENERATOR 失效
公开(公告)号：JPS6383503A
公开(公告)日：1988-04-14
申请号：JP22815486
申请日：1986-09-29
申请人： HITACHI LTD
发明人： YAMAMOTO HAJIME , SUMIDA ISAO , SHIMOYASHIKI SHIGEHIRO , HIKICHI TAKAYOSHI , NEMOTO KIYOMITSU , ABE HIDEAKI , TSUDA KATSU
IPC分类号： F22B1/06 , G21D1/00

86. 发明专利

JPS6383502A HEAT PIPE TYPE STEAM GENERATOR 失效
公开(公告)号：JPS6383502A
公开(公告)日：1988-04-14
申请号：JP22815386
申请日：1986-09-29
申请人： HITACHI LTD
发明人： YAMAMOTO HAJIME , SUMIDA ISAO , SHIMOYASHIKI SHIGEHIRO , HIKICHI TAKAYOSHI , NEMOTO KIYOMITSU , YOKOTA NORIKATSU , TSUDA KATSU
IPC分类号： F22B1/06 , G21D1/00

87. 发明专利

JPS61272697A METHOD AND APPARATUS FOR DISSOLVING USED NUCLEAR FUEL 失效
公开(公告)号：JPS61272697A
公开(公告)日：1986-12-02
申请号：JP11417185
申请日：1985-05-29
申请人： HITACHI LTD
发明人： FUKAZAWA TETSUO , YUSA HIDEO , SUMIDA ISAO , IBA HAJIME , OZAWA YOSHIHIRO
IPC分类号： G21C19/46

88. 发明专利

JPS61147056A SOLAR HEAT UTILIZING DEVICE BY LIGHT SUPPLY 失效
公开(公告)号：JPS61147056A
公开(公告)日：1986-07-04
申请号：JP26619684
申请日：1984-12-19
申请人： HITACHI LTD
发明人： TSUKAMOTO MORIAKI , FUJINO MITSUHIRA , HAYASHIBARA MITSUO , SUMIDA ISAO
IPC分类号： F24S90/00 , F24S23/00
摘要： PURPOSE:To simplify the mechanism so that a hot water pipeline and a pump are unrequired by guiding solar light collected to a necessary position as it is by a light guide and converting it to heat. CONSTITUTION:A light collecting plate 1 is provided with a wavelength converter 12 covered in laminated manner on the back surface of a glass plate 11 such as a ZnS:Cu layer, cover glass pieces 15 and 16 provided by forming spaces 13 and 14 through a spacer 19 for preventing stains of the glass plate 11 and the wavelength converter 12, a triangular conical transparent projection 17 for taking out light mounted on the wavelength converter 12, a rotary elliptical mirror 18 provided by setting the light taking out projection as a focal position. A reflection layer to which silver or the like is vapor-deposited between the spacer 19, the glass plate 11 and the wavelength converter 12 is provided, to prevent collected light from dispersing.

89. 发明专利

JPS60256797A HEAT ACCUMULATING AND HEAT EXCHANGING DEVICE 失效
公开(公告)号：JPS60256797A
公开(公告)日：1985-12-18
申请号：JP11076584
申请日：1984-06-01
申请人： HITACHI LTD
发明人： TSUKAMOTO MORIAKI , CHINEN MASANORI , SUMIDA ISAO
IPC分类号： F28D15/02 , F28D20/02
摘要： PURPOSE:To form the miniaturized device, having good thermal response and not necessitating to preheat the piping system or the like, by a method wherein a pipeline for exchanging heat and a bulkhead, precluding the mixing of low melting point and high melting point heat accumulating materials, which are utilizing sensible heat and latent heat, are provided in a heat accumulator. CONSTITUTION:A cylindrical heat insulating wall 68 is provided at a boundary between an inlet plenum 64 and an outlet plenum 66 of a vessel 51 connected to the inlet pipe 65 of vapor. Low melting point heat accumulating material 53 and high melting point heat accumulating material 54 are arranged in the same heat accumulating vessel 51, therefore, the size of the device may be miniaturized and the thermal response may be improved due to the large latent heat of the heat accumulating material 54 and the high heat transfer coefficient of the heat accumulating material 53 upon melting. On the other hand, even in case the operating medium is solidified, the medium is molten when the heat collecting section 60 of a heat pipe is heated by solar heat and the heat pipe begins the operation thereof, therefore, preheating or the like of the piping system upon starting the operation of the device may become unnecessary.

90. 发明专利

JPS59231358A SOLAR BATTERY HYBRID HEAT COLLECTOR 失效
公开(公告)号：JPS59231358A
公开(公告)日：1984-12-26
申请号：JP10566383
申请日：1983-06-15
申请人： HITACHI LTD
发明人： IMANI KAZUTAKE , CHINEN MASANORI , WATABIKI NAOHISA , SUMIDA ISAO
IPC分类号： F24J2/00 , F24S23/74 , F24J3/02
摘要： PURPOSE:To reduce the heat loss from a heat collecting plate and also reduce leakage of solar light by attaching a solar battery material to both surfaces the heat collecting plate and setting the angle of incidence of light toward the battery surface due to a reflection mirror at 60 deg. or less. CONSTITUTION:Solar light 1 which permeate through a glass plate 2, and then a reflection mirror 3 (having a configuration in which an involute circle is combined with a straight line) are collected in a front solar battery 4 and a rear solar battery 5 by reflection or directly, and utilized for the solar light power generation. Since the solar batteries simultaneously generate heat, heat from the heat collecting plate 6 is cooled by a heat collecting pipe 7. Although the temperature of the reflection mirror 3 slightly rises up, when a heat-insulator 8 is set between the mirror 3 and the outer box, heat loss toward the back surface is reduced. Since a reflection mirror is installed on the back surface of the solar battery, solar light are collected on both surfaces and radiation of heat can be reduced. It is necessary for preventing the solar battery from lowering to reduce the angle of incidence toward the surface of the solar battery of light to 60 deg. or less. Therefore, only a selective absorption surface 12 is attached to the heat collecting pipe 7, and the solar battery is formed in the heat collecting plate 6.

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