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    • 6. 发明专利
    • Closed drain recovery system
    • 封闭式回水系统
    • JP2013204961A
    • 2013-10-07
    • JP2012076025
    • 2012-03-29
    • Miura Co Ltd三浦工業株式会社
    • AKINAGA SOHEIOKUBO TOMOHIROKOBAYASHI TATSUKIHATANAKA HIROYUKI
    • F22D11/06F22D11/00
    • F22D11/06F22D1/28F28B1/02
    • PROBLEM TO BE SOLVED: To reduction the size of a drain tank without lowering an effective drain recovery rate.SOLUTION: There is provided a closed drain recovery system including a steam boiler 2, a sealed drain tank 4, and an atmosphere open type makeup water tank 7. The closed drain recovery system includes a steam introduction line 10 which introduces first flush steam in the drain tank 4 into the makeup water tank 7, a surplus drain introduction line 8 which introduces surplus drain from the drain tank 4 into the makeup water tank 7, and condensers 33, 39 which are provided at the makeup water line 7, and bring first flush steam and/or second flush steam produced from the surplus drain into contact with the makeup water in the makeup water tank 7, thereby condensing the first and second flush steam.
    • 要解决的问题:减少排水箱的尺寸而不降低有效排水回收率。解决方案:提供一种封闭排水回收系统,包括蒸汽锅炉2,密封排水箱4和大气开放式补水 封闭排水回收系统包括蒸汽引入管线10,其将排水罐4中的第一冲洗蒸汽引入补充水箱7中,剩余的排水引入管线8将多余的排水从排水罐4引入补充水 水箱7和冷凝器33,39,其设置在补充水管线7处,并且将从多余排水口产生的第一冲洗蒸汽和/或第二冲洗蒸汽与补充水箱7中的补充水接触,从而冷凝 第一和第二冲洗蒸汽。
    • 7. 发明专利
    • Heat recovery apparatus and heat recovery system
    • 热回收装置和热回收系统
    • JP2013057494A
    • 2013-03-28
    • JP2011261849
    • 2011-11-30
    • Victor Tokuhan Co Ltd株式会社ビクター特販
    • HIRATA HIROAKI
    • F22D11/06F22D1/28
    • F22D1/32F22D1/28F22D11/06F28B1/02Y02P80/154
    • PROBLEM TO BE SOLVED: To efficiently heat water using the heat of a steam drain, and to control the water temperature obtained.SOLUTION: A heat recovery apparatus 100 for recovering a steam drain comprising steam used in another apparatus and/or comprising a drain resulting from the condensation of steam used in the other apparatus, and thereby recovering the heat contained in the steam drain, the heat recovery apparatus includes: a pump 3 for circulating water stored within a tank 6, via circulation pipes P31 to P34; an ejector 2 for suctioning the steam drain, admixing the same with the circulated water and recovering the steam drain, the ejector being provided between the circulation pipes P31 to P34; and a ballcock 4 and temperature control unit 5 for controlling the temperature of the water inside the tank 6 by replenishing the inside of the tank 6 with tap water after some of the water inside the tank 6 has been discharged when the water inside the tank 6 has reached a pre-set first temperature T1.
    • 要解决的问题:使用蒸汽排水的热量有效地加热水,并控制获得的水温。 解决方案:一种热回收装置100,用于回收包括在另一装置中使用的蒸汽的蒸汽排放口和/或包括由在另一装置中使用的蒸汽的冷凝产生的排水,从而回收蒸汽排放物中所含的热量, 热回收装置包括:通过循环管P31〜P34使储存在罐6内的水循环的泵3; 用于吸入蒸汽排放物的喷射器2,将其与循环水混合并回收蒸汽排出口,喷射器设置在循环管P31至P34之间; 以及温度控制单元5,用于通过在罐6内部的水被排出之后,当罐6中的一些水已经排出之后,通过用自来水补充罐6内部来控制罐6内的水的温度 已达到预先设定的第一温度T1。 版权所有(C)2013,JPO&INPIT
    • 9. 发明专利
    • Turbine protection device
    • 涡轮保护装置
    • JP2011038500A
    • 2011-02-24
    • JP2009189423
    • 2009-08-18
    • Hitachi Ltd株式会社日立製作所
    • HIRAKAWA YOSUKESUDO MITSURUHIRAGA ICHIROTERANISHI NORIYOSHI
    • F01D21/00F01D25/00F01K7/38
    • F01D21/14F01D21/20F01K7/34F01K7/345F01K13/02F22D1/28
    • PROBLEM TO BE SOLVED: To provide a turbine protection device which can interrupt backflow of steam from a deaerator to a turbine even if a check valve provided between the deaerator and the turbine can not interrupt steam flowing between the deaerator and the turbine completely. SOLUTION: In this turbine protection device 20, the turbine 2 driven by steam generated by a boiler 13 is connected to the deaerator 5 heating, deaerating and storing condensation with steam condensed by a condenser 18 through an extraction steam introduction pipe 3 with the check valve 3a disposed, and further, the extraction steam introduction pipe 3 is provided with a shutdown valve device 12 shutting off steam flowing between the turbine 2 and the deaerator 5. A control unit 11 controlling the shutdown valve device 12 closes the shutdown valve device 12 when a differential pressure resulted from subtracting a pressure of extraction steam from the turbine 2 from a pressure within the deaerator 5 becomes greater than or equal to a first predetermined value, and interrupts steam flowing from the deaerator 5 toward the turbine 2 by a stop valve 12a of the shutdown valve device 12. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种涡轮机保护装置,其可以阻止蒸汽从脱气器回流到涡轮机,即使设置在脱气器和涡轮机之间的止回阀不能中断完全在脱气器和涡轮之间流动的蒸汽 。 解决方案:在该涡轮机保护装置20中,由锅炉13产生的蒸汽驱动的涡轮机2连接到脱气器5,其与通过冷凝器18冷凝的蒸汽通过提取蒸汽导入管3进行加热,脱气和储存冷凝, 设置有止回阀3a,并且进一步地,提取蒸汽导入管3设置有关闭在涡轮机2和脱气器5之间流动的蒸汽的关闭阀装置12.控制单元11控制关闭阀装置12关闭关闭阀 装置12当从脱气器5中的压力减去涡轮机2的抽取蒸汽的压力而产生的压差变得大于或等于第一预定值时,并且将从脱气装置5流向涡轮机2的蒸汽中断 截止阀装置12的截止阀12a。版权所有(C)2011,JPO&INPIT