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72.发明专利
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公开(公告)号：JP3824436B2
公开(公告)日：2006-09-20
申请号：JP34834098
申请日：1998-12-08
Applicant: 荏原冷熱システム株式会社
IPC: F25B15/00
CPC classification number: Y02A30/277 , Y02B30/62
Abstract: PROBLEM TO BE SOLVED: To provide a triple-effect absorption refrigerating machine which enlarges the heat recovery from a heat source and lowers the temperature and pressure of a high-temperature regenerator. SOLUTION: In a triple-effect absorption refrigerating machine which has a high- temperature regenerator 4, a middle-temperature regenerator 5, a low-temperature regenerator 6, a condenser 3, and an evaporator 1 for its main components, the middle- temperature regenerator 5 is composed of the two of the middle-temperature regenerator 5 heated with the refrigerant vapor from the high-temperature regenerator and the middle-temperature regenerator 10 heated with an external heat source after heating of the high-temperature regenerator, and it will do to so connect the solution pipe of the middle-temperature regenerator as to lead it from the middle-temperature regenerator 5 to the middle-temperature regenerator 10, and also the high-temperature regenerator 4 and the middle-temperature regenerator 5 are divided into plural stages, and solution is let flow in series severally to the high-temperature regenerator 4 and the middle-temperature regenerator 5 divided in plural stages, and also the refrigerant vapor from the high-temperature regenerator on the stage in lowest concentration is connected to the heating side of the middle-temperature regenerator on the stage in highest concentration, and likewise they are connected to be thinner in order or connected to be thicker in order.
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公开(公告)号：JP2006207896A
公开(公告)日：2006-08-10
申请号：JP2005018650
申请日：2005-01-26
Applicant: Ebara Corp , Ebara Refrigeration Equipment & Systems Co Ltd , 株式会社荏原製作所 , 荏原冷熱システム株式会社
Inventor： ARAI NORIO , IRIE TOMOYOSHI , ENDO TETSUYA
IPC: F25B15/00
CPC classification number: Y02A30/277 , Y02B30/62
Abstract: PROBLEM TO BE SOLVED: To provide an absorption refrigerator having superior installability, while reducing split portions and welding parts of piping, being easily assembled, reducing its cost, and being miniaturized as a whole. SOLUTION: This absorption refrigerator 1 comprises a high-temperature regenerator 150, a low-temperature regenerator 10, a condenser 20, a low-pressure stage absorber 30, a low-pressure stage evaporator 40, a high-pressure stage absorber 60, a high-pressure stage evaporator 70 and the piping for connecting them, thus two-stage absorption/two-stage evaporation cycle is formed. The low-temperature regenerator 10, the condenser 20, the low-pressure stage absorber 30 and the low-pressure stage evaporator 40 are constituted as an integrated can barrel 50. The high-pressure stage absorber 60 and the high-pressure stage evaporator 70 are constituted as an integrated can barrel 80, and further auxiliary machines (high-temperature heat exchanger 100, low-temperature heat exchanger 110, solution pump 120 and refrigerant pump 130) are stored and installed in an auxiliary machine space 90 outside of the barrel body 80. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract translation: 要解决的问题：提供一种具有优异的安装性的吸收式冰箱，同时减少管道的分割部分和焊接部件，易于组装，降低成本，并且整体上小型化。 解决方案：该吸收式制冷机1包括高温再生器150，低温再生器10，冷凝器20，低压级吸收器30，低压级蒸发器40，高压级吸收器 60，高压级蒸发器70和用于连接它们的管道，从而形成两级吸收/两级蒸发循环。 低温再生器10，冷凝器20，低压级吸收器30和低压级蒸发器40构成一体式罐筒50.高压级吸收器60和高压级蒸发器70 构成为一体式罐筒80，另外的辅助机器（高温热交换器100，低温热交换器110，溶液泵120，制冷剂泵130）被储存并安装在机筒外侧的辅助机器空间90中 （C）2006年，JPO＆NCIPI
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Patent Agency Ranking
公开(公告)号：JP2006057940A
公开(公告)日：2006-03-02
申请号：JP2004241296
申请日：2004-08-20
Inventor： KOUDA KIMIO , NAGAOKA TETSUYA
Abstract: PROBLEM TO BE SOLVED: To provide a heat exchanger for a radiation panel capable of uniforming surface temperature distribution of the radiation panel even when temperature difference between an inlet and an outlet of cold/hot water is increased by reducing cold/hot water flow rate.
SOLUTION: First and second cold/hot water inlet headers 21 and 23 are arranged in parallel at a predetermined interval, a first cold/hot water outlet header 22 is arranged on the first cold/hot water inlet header 21, a second cold/hot water outlet header 24 is arranged on the second cold/hot water inlet header 23, the first and second cold/hot water inlet headers 21 and 23 are interconnected through a cold/hot water inlet collecting header 25, and the first and second cold/hot water outlet headers 22 and 24 are interconnected through a cold/hot water outlet collecting header 26. A heat transfer tube group 28 is constituted by alternately arranging heat transfer tubes 27 for connecting the first cold/hot water inlet header 21 to the second cold/hot water outlet header 24 and heat transfer tubes 27 for connecting the second cold/hot water inlet header 23 to the first cold/hot water outlet header 22. Thus, in the heat exchanger 10 for the radiation panel, the cold/hot water in adjacent heat transfer tubes 27 flows oppositely.
COPYRIGHT: (C)2006,JPO&NCIPIAbstract translation: 要解决的问题：即使通过减少冷/热水来增加冷/热水的入口和出口之间的温差，也可以提供能够均匀地辐射面板的表面温度分布的辐射面板的热交换器 流量。 解决方案：第一和第二冷/热水入口集管21和23以预定间隔平行布置，第一冷/热水出口集管22布置在第一冷/热水入口集管21上，第二冷/ 冷/热水出口集管24布置在第二冷/热水入口集管23上，第一和第二冷/热水入口集管21和23通过冷/热水入口收集集管25相互连接，第一和/ 第二冷/热水出口集管22和24通过冷/热水出口收集集管26互连。传热管组28通过交替布置用于将第一冷/热水入口集管21连接到 第二冷/热水出口集管24和用于将第二冷/热水入口集管23连接到第一冷/热水出口集管22的传热管27.因此，在用于辐射面板的热交换器10中，冷 /相邻热水 传热管27相反地流动。 版权所有（C）2006，JPO＆NCIPI
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公开(公告)号：JP2006038347A
公开(公告)日：2006-02-09
申请号：JP2004219146
申请日：2004-07-27
Inventor： FURUYA YASUSHI , SATO YUICHI , TOKUMARU TORU , SENDA TAKUKAN , NAKAI YASUO
Abstract: PROBLEM TO BE SOLVED: To provide a refrigerating machine comprising a bleed device capable of removing a refrigerant gas from a mixed gas of noncondensing gas and the refrigerant gas in a bleed tank to return the refrigerant gas to a refrigerating machine system, and releasing the noncondensing gas to the external of the system with small wastage of the refrigerant.
SOLUTION: In this refrigerating machine comprising a condenser 13, an evaporator 11, a compressor 12 and a motor for driving them, and being operated while using the refrigerant of pressure lower than atmosphere pressure in the evaporator 11 generating a cold heat source as an operating medium, a gas of high partial pressure of the refrigerant in a first bleed tank 21 connected with the condenser 13 is introduced to a suction tank 25 filled with an adsorbent, the gas prepared by increasing partial pressure of noncondensing gas by adsorbing the refrigerant by the adsorbent, is released to the atmospheric air, the adsorbent is heated and regenerated by operating a cooling system having a Peltier element 26 as a heat pump at a time when the adsorption of the refrigerant is close to a saturated state, and the generated refrigerant gas is returned to the evaporator 11.
COPYRIGHT: (C)2006,JPO&NCIPIAbstract translation: 解决问题的方案：提供一种制冷机，其包括能够从非冷凝气体的混合气体和排气罐中的制冷剂气体除去制冷剂气体的排出装置，以将制冷剂气体返回到制冷机系统，以及 将非冷凝气体释放到系统的外部，同时制冷剂的浪费小。 解决方案：在该制冷机中，包括冷凝器13，蒸发器11，压缩机12和用于驱动它们的电动机，并且在蒸发器11中使用低于大气压的压力的制冷剂进行操作，产生冷热源 作为操作介质，在与冷凝器13连接的第一排放罐21中的制冷剂的高分压气体被引入填充有吸附剂的吸入箱25中，通过吸附非凝结气体的分压增加而制备的气体 通过吸附剂的制冷剂被释放到大气中，吸附剂通过在制冷剂的吸附接近于饱和状态时操作具有作为热泵的珀尔帖元件26的冷却系统来加热和再生， 产生的制冷剂气体返回到蒸发器11.版权所有（C）2006，JPO＆NCIPI
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公开(公告)号：JP2004340464A
公开(公告)日：2004-12-02
申请号：JP2003136695
申请日：2003-05-15
Inventor： IRIE TOMOYOSHI , MATSUDA NOBUTAKA , MATSUBARA TOSHIO
IPC: F25B15/00
CPC classification number: Y02A30/277 , Y02B30/62
Abstract: PROBLEM TO BE SOLVED: To provide an exhaust heat recovery type absorption refrigerating machine capable of improving the utility value by increasing the temperature of an exhaust heat medium by utilizing a heat source medium, and improving the environment and the reliability of the appliance.
SOLUTION: This absorption refrigerating machine comprising an evaporator, an absorber, a condenser, a high-temperature regenerator GH, a low-temperature regenerator GL, and an absorbent solution passage and a refrigerant passage connecting these appliances, comprises a first exhaust heat recovery heat exchanger GHX performing the heat exchange while applying the exhaust heat of GH as a heating medium, and an external exhaust heat medium as a heated medium, a second exhaust heat recovery heat exchanger GX mounted at an upper part of the heat transfer part of GL to perform the heat exchange while applying the exhaust heat medium as the heating medium and the absorbent solution as the heated medium, and/or a third exhaust heat recovery heat exchanger JX mounted in the absorbent solution passage to perform the heat exchange while applying the exhaust heat medium as the heating medium and the absorbent solution as the heated medium. The exhaust heat medium is introduced from GHX to GX or JX, to GX and JX in order, or to GX and JX in parallel.
COPYRIGHT: (C)2005,JPO&NCIPI-
公开(公告)号：JP2004340423A
公开(公告)日：2004-12-02
申请号：JP2003135359
申请日：2003-05-14
Inventor： AOYAMA ATSUSHI , MURATA JUN , ARAI NORIO , MATSUBARA TOSHIO
IPC: F25B15/00
CPC classification number: F25B15/008 , Y02A30/277 , Y02B30/62
Abstract: PROBLEM TO BE SOLVED: To provide a highly efficient absorption refrigerator for effectively collecting an external heat source and also effectively collecting internal heat. SOLUTION: The absorption refrigerator comprises an evaporator, a absorber A, a condenser, a high temperature regenerator GH, a low temperature regenerator GL, a low temperature solution heat exchanger LX, a high temperature solution heat exchanger HX, and an absorbed solution passage and a refrigerant solution passage connecting these together. Herein, a solution supply passage for diluted solution to be introduced from the A to the GH consists of two branching passages. In one passage, the DX or the first and second DXs are provided for heat exchange between the diluted solution in the passage and a heat exhaust source after heating the GH, where the diluted solution flows into the first and second DXs in sequence and the heat exhaust source flows into the second and first DXs in sequence. In the second passage, the first and second HXs, the HX and a collection heat exchanger or the HX is provided for heat exchange between the diluted solution in the passage and enriched solution heated/enriched by the GH, where the enriched solution flows into the second and first HXs or into the collection and high temperature heat exchangers, in sequence. COPYRIGHT: (C)2005,JPO&NCIPI
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公开(公告)号：JP3593268B2
公开(公告)日：2004-11-24
申请号：JP29684798
申请日：1998-10-19
Applicant: 荏原冷熱システム株式会社
CPC classification number: C09K5/047 , C23F11/185 , F25B15/06 , F25B47/003 , Y02A30/277 , Y02B30/62 , Y02P20/124
Abstract: An object of the present invention is to provide a method for forming an initial anticorrosive film in an absorption chiller-heater, by selecting optimal conditions of absorbent solution, steel material surface and film-forming operation for forming a good initial anticorrosive film. In the process for forming an initial anticorrosion film in an absorption chiller-heater having steel parts and containing an absorbent solution comprising lithium bromide as its main component and containing a lithium molybdate corrosion inhibitor according to the present invention, the main characteristics are that at least part of the steel parts of the absorption chiller-heater contacting with an absorbent solution at a temperature of higher than 100 DEG C. include a bare metal surface having an arithmetic mean surface roughness of not more than 1.0 mu m; the absorbent solution supplied comprises lithium bromide as its main component and contains a lithium molybdate corrosion inhibitor dissolved in the solution at a level of 450-750 ppm; and that an initial anticorrosion film forming operation is conducted at a condition such that amount of the lithium molybdate dissolved in the absorbent solution is maintained at not less than 200 ppm.
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