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    • 41. 发明公开
    • Simulation apparatus for motor-driven compressor system and the simulation method thereof
    • Simulationsvorrichtungfürmotorbetriebenes Verdichtersystem und Simulationsverfahrendafür
    • EP2426361A2
    • 2012-03-07
    • EP11179454.1
    • 2011-08-31
    • Hitachi Plant Technologies, Ltd.
    • Ebisawa, NaotoOrikasa, HideakiMiyanaga, Takeshi
    • F04D27/00
    • F04D27/001
    • With a simulation apparatus for a system including a motor-driven compressor, a compressor that does not suffer from a driving torque shortage and surging, but can operate at low costs, can be provided.
      A simulation apparatus for a motor-driven compressor system includes a simulation section (40) in which a driving motor, a compressor driven by the driving motor, a suction throttle valve controlling the inlet flow rate of the compressor, and an anti-surge valve interposed between pipes for returning a part of gas discharged from the compressor to the inlet side of the compressor are translated into unit models and stored. The simulation apparatus (40) further includes an input section (10) through which designed specification data of the compressor is input, a data setting section (50) storing the designed specification data, and a display section (30) displaying unsteady-state Q-H characteristics and required driving torque obtained through simulation by the simulation section (40).
    • 可以提供一种用于包括电动压缩机的系统的模拟装置,不会受到驱动扭矩不足和浪涌的压缩机,而是能够以低成本运行。 一种电动压缩机系统的模拟装置,具备模拟部(40),其中驱动电动机,由驱动电动机驱动的压缩机,控制压缩机的入口流量的吸入节流阀和防喘振阀 介于用于使从压缩机排出的气体的一部分返回到压缩机的入口侧的管之间被转换为单元型号并被存储。 模拟装置(40)还包括输入压缩机的设计指定数据的输入部(10),存储设计的规格数据的数据设定部(50),显示非定常状态QH的显示部(30) 通过仿真部分(40)的仿真获得的特性和要求的驱动转矩。
    • 44. 发明公开
    • Cooling system for electronic apparatus
    • Kühlsystemfürelektronische Vorrichtung
    • EP2357878A2
    • 2011-08-17
    • EP11000541.0
    • 2011-01-24
    • Hitachi Plant Technologies, Ltd.
    • Shimokawa, RyojiSenda, MasakatsuKashirajima, YasuhiroIto, JunichiNagatakiya, Asahi
    • H05K7/20G06F1/20H02B1/56
    • H05K7/202H05K5/0217H05K7/20609
    • A cooling system (10) for an electronic apparatus, includes: a casing (26) in which the electronic apparatus is housed; an evaporator (34) which is disposed at a rear surface side of the casing, and cools heat released from the electronic apparatus by a refrigerant; a slide mechanism (50) which connects the casing and the evaporator to be movable in a longitudinal direction with respect to the casing; at least any one of a cooling tower (38) which is provided at a higher place than the evaporator and condenses the refrigerant by cooling of external air and sprinkled water, and a heat exchanger (54) which cools the refrigerant by using chilled water; a circulation line (40, 64) which moves the refrigerant between the evaporator and at least one of the cooling tower and the heat exchanger; and a piping (78, 80) which connects the circulation line and the evaporator, and is extendable and contractible in response to movement of the evaporator.
    • 一种用于电子设备的冷却系统(10),包括:容纳所述电子设备的壳体(26); 蒸发器(34),其设置在所述壳体的后表面侧,并且通过制冷剂冷却从所述电子设备释放的热量; 滑动机构(50),其将所述壳体和所述蒸发器连接成能够相对于所述壳体在长度方向上移动; 冷却塔(38)中的至少任一个,其设置在比蒸发器更高的位置并且通过冷却外部空气和洒水来冷凝制冷剂;以及热交换器(54),其通过使用冷冻水来冷却制冷剂; 在所述蒸发器和所述冷却塔和所述热交换器中的至少一个之间移动所述制​​冷剂的循环管线(40,64) 以及连接循环管线和蒸发器的管道(78,80),并且响应于蒸发器的移动而可延伸和收缩。
    • 47. 发明公开
    • Laser narrow groove welding apparatus and welding method
    • Laser-Engspaltschweißapparatund entsprechendesSchweißverfahren
    • EP2269764A1
    • 2011-01-05
    • EP10167346.5
    • 2010-06-25
    • Hitachi Plant Technologies, Ltd.
    • Tsukamoto, TakeshiKawanaka, HirotsuguHashimoto, TaijiImaoka, ShinjiMaeda, YoshihisaKuwano, Tetsuya
    • B23K26/24
    • B23K26/24
    • A welding apparatus and a welding method are employed for laser narrow groove (5) welding which performs welding scanning a laser beam (4) in the welding direction while feeding a solid filler metal (61) into a narrow groove (5). The welding apparatus includes a laser beam irradiation head (1) having a mechanism periodically oscillating an irradiation point of the laser beam (4) with a predetermined amplitude in the bottom of the groove (5), and a filler metal control device (2) having a solid filler metal feeder (21) feeding the solid filler metal (61) to the molten pool (8) formed in the bottom of the groove (5) by the laser beam (4) and adjusting the feeding position independent of a motion of the laser beam irradiation head (1) so that the tip position of the solid filler metal (61) detected is constantly positioned in the center of the groove (5).
    • 在将固体填充金属(61)进入窄槽(5)的同时,在焊接方向进行激光束(4)的焊接扫描的激光窄槽(5)焊接中使用焊接装置和焊接方法。 该焊接装置包括:激光束照射头(1),其具有在槽(5)的底部以规定的振幅周期性地使激光束(4)的照射点振荡的机构,以及填充金属控制装置(2) 具有通过激光束(4)将固体填充金属(61)供给到形成在槽(5)的底部中的熔池(8)的固体填充金属进料器(21),并且独立于运动调节进给位置 的激光束照射头(1),使得检测到的固体填充金属(61)的尖端位置恒定地位于槽(5)的中心。
    • 50. 发明公开
    • Equipment for treating ammonium containing liquid
    • Vorrichtung zur Behandlung einer Ammonium enthaltendenFlüssigkeit
    • EP2210863A1
    • 2010-07-28
    • EP10003956.9
    • 2006-02-27
    • Hitachi Plant Technologies, Ltd.
    • Sumino, TatsuoIsaka, Kazuichi
    • C02F3/30
    • C02F3/302C02F3/2806C02F2101/16Y10S210/903
    • Equipment for treating an ammonium containing wastewater by denitrification treatment of an ammonium containing liquid, comprising:
      a nitrate reduction tank (12) for carrying out nitrate reduction treatment of reducing nitrate to nitrite, wherein the nitrate is contained in or added to the ammonium containing liquid, and
      an anaerobic ammonium oxidation tank (14) for carrying out an anaerobic ammonium oxidation treatment of simultaneously anaerobically denitrifying nitrite and ammonium, wherein the nitrite is produced in the nitrate reduction treatment and the ammonium is contained in the ammonium containing liquid, wherein the nitrate reduction tank (12) and the anaerobic ammonium oxidation tank (14) have a C/NO 3 -N ratio control device of controlling the C/NO 3 -N ratio of the concentration C of the organic carbon contained in or added to the ammonium containing liquid to the concentration NO 3 -N of nitrate nitrogen contained in or added to the ammonium containing liquid to 0.5 to 2.5.
    • 一种含铵废液处理含铵废水的设备,包括:硝酸盐还原罐,用于进行硝酸盐还原处理以将硝酸盐还原成亚硝酸盐,其中硝酸盐被包含在或包含在含铵液体中 ,和厌氧氨氧化池(14),用于同时进行厌氧氨氧化处理,同时厌氧反硝化亚硝酸盐和铵,其中亚硝酸盐在硝酸盐还原处理中产生并且铵包含在含铵液体中,其中硝酸盐 还原罐(12)和厌氧铵氧化槽(14)具有C / NO 3 -N比率控制装置,其控制C / NO 3 -N比例,其中铵/ 将含有液体的含氮液体中含有或添加到含铵液体中的硝酸盐氮的浓度NO 3 -N调节至0.5〜2 0.5。