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51. 发明专利

JPS6293406A VAPORIZATION GAS HEATING METHOD FOR LNG CRYOGENIC POWER GENERATING PLANT HAVING RANKING CYCLE 失效
公开(公告)号：JPS6293406A
公开(公告)日：1987-04-28
申请号：JP23110385
申请日：1985-10-18
申请人： HITACHI LTD
发明人： OKABAYASHI YOSHIO , ICHIHARA KIYOSHI
IPC分类号： F01K25/10
摘要： PURPOSE:To prevent previously the leakage of natural gas by using a shell and tube heat exchanger for the heater of vaporization natural gas, and using a noncorrosive Rankine medium as the heating source. CONSTITUTION:A Rankine medium condensed by a LNG vaporizer 3, after being risen in pressure by a pump 5, is vaporized by a freon evaporator 8 to become a high-pressure medium gas. This medium gas is introduced into an expansion turbine 11, in which the cryogenic of LNG is converted into working energy to generate electricity. The vaporized natural gas having come out of the LNG vaporizer 3 enters a heater 4. For the heater 4, a shell and tube heat exchanger advantageous in cost is used, and further as a heating source a Rankine medium being noncorrosive to heat exchanger tubes is used. Thus, the leakage of natural gas can be perfectly prevented.

52. 发明专利

JPS6115248B2 JPS6115248B2 - 失效
公开(公告)号：JPS6115248B2
公开(公告)日：1986-04-23
申请号：JP9497579
申请日：1979-07-27
申请人： Hitachi Ltd
发明人： YAHAGI TOSHIO , YOKOYAMA HIROSHI , NOKITA SHUNSUKE , YASUDA AKIRA , OKABAYASHI YOSHIO
IPC分类号： F01K25/10 , F25B1/00 , F25B23/00 , F25B27/00 , F25D3/10

53. 发明专利

JPS60222510A THERMAL POWER GENERATING EQUIPMENT 失效
公开(公告)号：JPS60222510A
公开(公告)日：1985-11-07
申请号：JP6058985
申请日：1985-03-27
申请人： HITACHI LTD
发明人： OKABAYASHI YOSHIO , SASAKI KIYOSHI
IPC分类号： F01K25/10
摘要： PURPOSE:To enable a starting time to be reduced, by providing a cooler, which cools a liquefied thermal medium by low temperature liquefied gas, between a condenser and a pump and adjusting an inflow of the low temperature liquefied gas to the cooler by a flow regulating valve. CONSTITUTION:An equipment, when it is started, throttles a flow regulating valve 42 by setting a temperature controller 51 to its preset value of temperature of a thermal medium at normal operation, for instance, -45 deg.C or below in case of propane, supplying a part of low temperature liquefied gas, which flows in the direction of a heat transfer pipe 12a in a gas pipe 30, to a heat transfer pipe 12b via the gas pipe 30 and forcing the thermal medium in a normal temperature condition to be rapidly cooled to a preset value, while detecting a temperature in the outlet side of a cooler 17, during the time the low temperature liquefied gas is allowed to flow into a gas pipe 37. And the equipment, if the temperature of the thermal medium in the outlet side of the cooler 17 reaches the preset value of the temperature controller 51 by suction of a pump 21, is transferred to the normal operation by fully opening the flow regulating valve 42. Accordingly, a starting time can be reduced by eliminating the generation of cavitation even if the pressure in a suction side of the pump is rapidly decreased to a certain extent.

54. 发明专利

JPS6062609A COLD-HEAT POWER GENERATING PLANT 失效
公开(公告)号：JPS6062609A
公开(公告)日：1985-04-10
申请号：JP15756384
申请日：1984-07-30
申请人： HITACHI LTD
发明人： SASAKI KIYOSHI , OKABAYASHI YOSHIO
IPC分类号： F01K25/10 , F22D11/06
摘要： PURPOSE:To improve the reliability of a plant by providing both a pressure equalizing system communicating a turbine inlet-side piping with each pressure equalizing storage tank which is positioned higher than an evaporator and another system communicating a turbine outlet-side piping with the tank and installing a condensor at a higher level than the tanks. CONSTITUTION:Each of tanks 10a and 10b is installed higher than an evaporator 2 and furthermore, a condensor 1 is installed higher than the tanks 10a and 10b. There are independently provided a pressure equalizing system which communicates the inlet piping 13 of a turbine 3 with both the tanks 10a and 10b and is equipped with valves 14a and 14b and another pressure equalizing system which communicates the inlet piping 15 of the turbine 3 with the tanks 10a and 10b and is equipped with valves 14c and 14d. When the valve 14c is opened to equalize the inner pressure of the tank 10a to that of the turbine's outlet piping 15, the liquefied heat medium from the condensor 1 is stored in the tank 10a. On the other hand, when the valve 14b is opened to equalize the inner pressure of the tank 10b to that of the piping 13, the liquefied heat medium inside the tank 10b is forcedly sent to the evaporator 2 due to the head difference.

55. 发明专利

JPS59189295A Heat exchanger equipped with thawing apparatus for heat source fluid 失效
标题翻译：热交换器配备用于热源流体的THAWING装置
公开(公告)号：JPS59189295A
公开(公告)日：1984-10-26
申请号：JP6061384
申请日：1984-03-30
申请人： Hitachi Ltd
发明人： WATANABE NAOYUKI , ICHIHARA KIYOSHI , OKABAYASHI YOSHIO
IPC分类号： F28F17/00 , F17C9/02 , F28D15/00
CPC分类号： F17C9/02 , F17C2221/033 , F17C2223/0153 , F17C2223/0161 , F17C2227/0302 , F17C2260/032
摘要： PURPOSE:To prevent heat source fluid in tubes from freezing by a method wherein intermediate heat transfer medium is heated by providing a shell, in which the intermediate heat transfer medium is filled, a U-tube, through which liquefied gas is circulated, and tubes, which are arranged at the lower portion in the shell and through which heat source fluid is circulated. CONSTITUTION:Intermediate heat transfer mediums 3 and 3A are filled in the shell 1 of an intermediate heat transfer medium type heat exchanger A. Process side tubes 4 are immersed in the liquid of the intermediate heat transfer medium 3, while a U-tube 2, which is separate and independent from the tubes 4, is housed in the gas of the intermediate heat transfer medium 3A. Heat source fluid is supplied through a heat source fluid piping 9 into the tubes 4 and discharged outside through a heat source fluid piping 10. The intermediate heat transfer medium 3 comes to the boil by being given heat by the heat source fluid and ascends up to the upper portion in the shell 1 in the form of gas so as to turn into the intermediate heat transfer medium 3A in order to give heat to LNG supplied in the U-tube 2 through a processing piping 5 and to condense after the heat release and finally to drip down to the lower portion of the shell 1 in the form of the intermediate heat transfer medium 3. On the other hand, the LNG, which is vaporized by being given heat, is delivered through a processing piping 6 in the form of gas.
摘要翻译：目的：为了防止管道中的热源液体冻结，其中中间传热介质通过提供中间传热介质被填充的壳体被加热，液化气体循环的U形管和管，其布置在壳体中的下部并且热源流体通过该循环。构成：将中间传热介质3和3A填充到中间传热介质型热交换器A的壳体1中。将过程侧管4浸入中间传热介质3的液体中，同时将U形管2，其与管4分开且独立，容纳在中间传热介质3A的气体中。热源流体通过热源流体管道9供给到管4中，并通过热源流体管道10排出到外部。中间传热介质3由于热源流体被加热而升至沸腾壳体1中的上部以气体的形式转化为中间传热介质3A，以便通过处理管道5对在U形管2中供应的LNG产生热量，并在热释放之后冷凝，并且最后以中间传热介质3的形式滴到壳体1的下部。另一方面，通过加热蒸发的LNG通过加工管道6以加油站。

56. 发明专利

JPS5816137A WATER COOLING DEVICE FOR AIR CONDITIONER 失效
公开(公告)号：JPS5816137A
公开(公告)日：1983-01-29
申请号：JP11368281
申请日：1981-07-22
申请人： HITACHI LTD
发明人： OKABAYASHI YOSHIO , WATANABE NAOYUKI
IPC分类号： F24F5/00 , F25D31/00
摘要： PURPOSE:To prevent freezing of cold water and to effectively use the cold heat of LNG by cooling the cold water with Rankine coolant using an LNG cold generator having a Rankine cycle. CONSTITUTION:A part of LNG from a Rankine coolant evaporator 9 of the cold heat generator is taken out and is sent to the water cooler 16, where another cold water in the cooling pipe 17 is cooled to 10 deg.C, and is sent to the LNG evaporator 3 of said generator. In this case, the LNG level at the cooler 16 is regulated to a constant level by a level adjustor 20 together with a control valve 21, and the pressure of the LNG is also controlled by the adjustor 22 and a control valve 18 so that the evaporation temperature of the LNG is above 0 deg.C. Thus, the cold water in the cooling pipe 17 can be optimumly cooled without freezing, providing reliable and economical cooling equipment.

57. 发明专利

JPS5620708A DEVICE FOR RECOVERING COLD AND HOT ENERGY 失效
公开(公告)号：JPS5620708A
公开(公告)日：1981-02-26
申请号：JP9496279
申请日：1979-07-27
申请人： HITACHI LTD
发明人： YAHAGI TOSHIO , YOKOYAMA HIROSHI , NOKITA SHIYUNSUKE , YASUDA AKIRA , OKABAYASHI YOSHIO
IPC分类号： F01K25/10 , F25B1/00 , F25B23/00 , F25B27/00 , F25D3/10
摘要： PURPOSE:To stabilize the picking-out of external work and the supply of natural gas, by regulating the pressure of a working medium, which acts to pick out the external work out of a system by the temperature difference between a high-temperature heat source and a low-temperature heat source, depending on the fluctuation in the quantity of heat from the high-temperature heat source. CONSTITUTION:When LNG is evaporated to be used, the cold and hot energy of the LNG is recovered by propane as a working medium in a device. The gaseous propane 4 is liquefied when it comes into contact with the liquefied natural gas in a condenser 3. The liquefied propane is stored in a receiver 5 and then conducted to an evaporator 8 by a circulating pump 6 so that the propane is evaporated by seawater 7 as a high-temperature heat source. The evaporated high-pressure propane performs work on an expansion turbine 9 to drive an electricity generator 10. A control valve 15 is provided at the inlet side of the evaporator 8 to regulate the pressure of the propane. Control is effected through a calculator 13 and a pressure regulator 14 on the basis of the pressure of the propane and the outputs of temperature measuring instruments 11, 12.

58. 发明专利

JPS5610681A DEEPPFREEZING METHOD OF SEPARATING HYDROGEN AND CARBON MONOXIDE FROM STEAM REFORMING GAS 失效
公开(公告)号：JPS5610681A
公开(公告)日：1981-02-03
申请号：JP8397079
申请日：1979-07-04
申请人： HITACHI LTD
发明人： OKABAYASHI YOSHIO
IPC分类号： C10G11/20 , C10G11/00 , F25J3/02

59. 发明专利

JPS5339289A SEPARATING METHOD FOR CARBON MONOXIDE 失效
公开(公告)号：JPS5339289A
公开(公告)日：1978-04-11
申请号：JP11311076
申请日：1976-09-22
申请人： HITACHI LTD
发明人： NUMATA AKIHIRO , OKABAYASHI YOSHIO
IPC分类号： C01B3/50 , C01B32/40 , F25J3/02
摘要： PURPOSE:To separate high purity CO with high yield while reducing loss of liquefied and condensed CO by carrying out adiabatic expansion of N2 as a refrigerant source for the apparatus taken out from the intermediate step of a N2 compressor for fractionating CO and CH4 in an expansion turbine.

60. 发明专利

JPS5325294A SEPARATING METHOD FOR CARBON MONOXIDE GAS 失效
公开(公告)号：JPS5325294A
公开(公告)日：1978-03-08
申请号：JP9871976
申请日：1976-08-20
申请人： HITACHI LTD
发明人： NUMATA AKIHIRO , OKABAYASHI YOSHIO
IPC分类号： C01B32/40 , F25J3/02 , F25J3/06
摘要： PURPOSE:To decrease the cost of equipment by giving press. to a rectifying-separating process and a product CO gas by means of the same conpressor.

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