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    • 1. 发明专利
    • Heat recovery and utilization system
    • 热回收和利用系统
    • JP2012137247A
    • 2012-07-19
    • JP2010290057
    • 2010-12-27
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • NAKAKOJI YUTAKANAGAYASU TATSUTO
    • F24H1/00F22B33/18
    • F22B37/02F01K3/004F01K13/02F23J15/06F23J15/08F23J2215/20Y02E20/12Y02E20/14Y02E20/363Y02P80/152
    • PROBLEM TO BE SOLVED: To provide a heat recovery and utilization system capable of efficiently utilizing heat recovered from boiler exhaust gas with a heat recovery device without using complicated equipment and without a high operating cost.SOLUTION: The heat recovery and utilization system includes: a boiler 11 for power generation; a heat recovery device 13 for performing heat recovery from the boiler exhaust gas; a heat exchanger 21 for using the heat recovered by the heat recovery device as a heat source for equipment other than power generation; a heat accumulator 31 for accumulating the heat source of the equipment other than power generation; and a heat medium circulation line 22 in which a heat medium is circulated between the heat recovery device and the heat exchanger. When the system starts up, the heat exchanger 21 preheats the heat recovery device 13 with the heat source accumulated in the heat accumulator 31.
    • 要解决的问题:提供一种能够利用热回收装置有效利用从锅炉废气回收的热量而不使用复杂的设备并且没有高运行成本的热回收和利用系统。 解决方案:热回收和利用系统包括:用于发电的锅炉11; 用于从锅炉排气进行热回收的热回收装置13; 用于使用由热回收装置回收的热量作为发电以外的设备的热源的热交换器21; 蓄热器31,其蓄积除了发电以外的设备的热源; 以及热介质循环管线22,其中热介质在热回收装置和热交换器之间循环。 当系统启动时,热交换器21预热热回收装置13,热量积聚在蓄热器31中。(C)2012,JPO&INPIT
    • 4. 发明专利
    • Steam supply system and check valve used for the same
    • 蒸汽供应系统和检查阀
    • JP2011069335A
    • 2011-04-07
    • JP2009223196
    • 2009-09-28
    • Tlv Co Ltd株式会社テイエルブイ
    • MATSUKAWA NAOKI
    • F04F5/48F04F5/20F16K15/06F22B3/04
    • F16K15/063F22B37/02Y10T137/7925Y10T137/7929Y10T137/7932Y10T137/87643
    • PROBLEM TO BE SOLVED: To enhance accuracy of controlling steam by a pressure reducing valve in a steam supply system, by a reasonable improvement of a check part of a suction passage. SOLUTION: In the steam supply system: a pressure reducing valve 3 is disposed in a steam supply passage 1; a steam ejector 4 is disposed in the steam supply passage 1 downstream of the pressure reducing valve 3; a suction passage 9 connects a suction part 4a of the steam ejector 4 to a revaporization tank 2 that makes a condensate D1 revaporized; and the steam ejector 4 suctions a revaporization steam FS in the revaporization tank 2 in such a manner that a passing-through steam S' at the pressure reducing valve 3 is used as a drive steam for the steam ejector 4, to thereby mix the revaporization steam FS with the passing-through steam S'. Also in the steam supply system, a check valve 10 that blocks a reverse flow of steam into the revaporization tank 2 is disposed in the suction passage 9. A valve opening of the pressure reducing valve 3 is adjusted according to a temperature or a pressure of steam downstream of the steam ejector 4 in the steam supply passage 1. The check valve 10 has such an inherent flow characteristic that an increase flow rate with an increase of the valve opening thereof is similar in both a small opening range in which the valve opening is small and a large opening range in which the valve opening is large, or such an inherent flow characteristic that the increase flow rate in the small opening range is smaller than that in the large opening range. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提高蒸汽供给系统中的减压阀来控制蒸汽的精度,通过合理地改进吸入通道的检查部分。 解决方案:在蒸汽供应系统中:减压阀3设置在蒸汽供应通道1中; 蒸汽喷射器4设置在减压阀3下游的蒸汽供应通道1中; 吸入通道9将蒸汽喷射器4的吸入部分4a连接到使冷凝物D1再蒸发的再蒸发罐2; 并且蒸汽喷射器4以这样的方式吸入再蒸发罐2中的再蒸发蒸汽FS,使得减压阀3上的通过蒸汽S'用作蒸汽喷射器4的驱动蒸汽,从而将再蒸发 蒸汽FS与通过蒸汽S'。 另外,在蒸汽供给系统中,在吸入通路9内配置阻止蒸汽回流到回流槽2的逆流的止回阀10.减压阀3的开阀根据温度或压力 蒸汽供给通道1中的蒸汽喷射器4的下游蒸汽。止回阀10具有这样的固有流动特性,即在阀开度小的开度范围内随着阀开度的增加而增大的流量是相似的, 阀门开度大的开口范围较小,小开度范围内的流量增加小于大开度范围内的流量特性。 版权所有(C)2011,JPO&INPIT
    • 6. 发明专利
    • ボイラ水張り方法
    • 锅炉水灌装方法
    • JP2014214926A
    • 2014-11-17
    • JP2013091083
    • 2013-04-24
    • 中国電力株式会社Chugoku Electric Power Co Inc:The
    • TSUNAI TAKEAKI
    • F22D5/26F22B37/02F22B37/56
    • F22B37/02F22B37/56F22D5/26
    • 【課題】既存の設備に対して新たな設備を追加することなく、ボイラ給水系統設備の水張りを確実かつ効率的に行え、作業者の負担を低減することが可能なボイラ水張り方法を提供する。【解決手段】ボイラ給水系統設備を構成する複数の機器に対し、上流側の機器から順次水張りを行うにあたり、水張り対象となる複数の機器のうち、ボイラ本体内にある一部の機器について、該機器に応じて設定された給水流量で給水した場合に該機器が全ブロー状態から満水になるまでに要する時間を予め登録しておき、該機器に対して給水が開始された場合に、前記設定された給水流量で前記登録された時間だけ給水を自動で行う。【選択図】図2
    • 要解决的问题:提供一种锅炉给水系统,无需为现有设施增加新设施,确保和有效地执行给水系统设施的灌水,并可减轻操作人员的负担。解决方案:在一种情况下 在多个装有水的装置中的锅炉主体中的某些装置中,当供水时,从上游侧的装置向构成锅炉给水系统设施的多个装置逐渐进行充水 通过根据某些装置设定的供水流量,某些装置预先记录从全吹状态到满水状态所需的时间,并且当向某些装置开始供水时,自动执行供水 仅在注册时间内设定供水流量。