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1. 发明专利

JP2012215314A Waste heat recovery boiler and operation method therefor 有权
标题翻译：废热锅炉及其操作方法
公开(公告)号：JP2012215314A
公开(公告)日：2012-11-08
申请号：JP2011079302
申请日：2011-03-31
申请人： Babcock Hitachi Kk , バブコック日立株式会社
发明人： SHIMONO NOBUO
IPC分类号： F22B37/56
摘要： PROBLEM TO BE SOLVED: To prevent alkali corrosion or caustic embrittlement due to condensation of caustic soda in a drain pipe when caustic soda treatment is adopted as a water treatment method of a boiler.SOLUTION: This waste heat recovery boiler includes: a drum 3 to which water is supplied from a water supply pipe 1; an evaporator heat transfer pipe 7 in an exhaust gas flow 16; a drum downcomer 4 supplying water in the drum 3 to the evaporator heat transfer pipe 7; drain pipes 11, 12 discharging drain from the drum downcomer 4 to the outside of a boiler system via a drain valve 13. The drum 3 is provided with injection piping 22 injecting a chemical including caustic soda. The drain pipe includes a drain pipe 11 in a waste heat recovery boiler casing arranged in a high temperature exhaust gas and a drain pipe 12 outside the waste heat recovery boiler casing. A drain pipe purge water piping 14 for continuously supplying some of the supply water from the water supply pipe 1 to the drain pipe 12 outside the waste heat recovery boiler casing is connected to an upstream side of the drain valve 13 to prevent condensation of the caustic soda in the drain pipe. Accordingly the alkali corrosion is avoided.
摘要翻译：要解决的问题：为了防止在采用苛性钠处理时作为锅炉的水处理方法，在排水管中由于苛性钠的冷凝引起的碱腐蚀或苛性脆化。解决方案：该废热回收锅炉包括：从供水管1向其供水的滚筒3; 排气流16中的蒸发器传热管7; 将滚筒3中的水供应到蒸发器传热管7的滚筒降液管4; 排水管11,12经排水阀13从排水管4向排水管排出排水至锅炉系统的外部。滚筒3设有注入包括苛性钠在内的化学品的注射管道22。排水管包括布置在高温废气中的余热回收锅炉壳体中的排水管11和废热回收锅炉壳体外部的排水管12。在排水阀13的上游侧连接有用于从供水管1向排水管12向废水回收锅炉壳体外部连续地供给一部分供水的排水管清洗水管道14，以防止苛性碱排水管中的苏打水。因此，避免了碱腐蚀。版权所有（C）2013，JPO＆INPIT

2. 发明专利

JP2009063205A Once-through exhaust heat recovery boiler 审中-公开
标题翻译：一次性排气热回收锅炉
公开(公告)号：JP2009063205A
公开(公告)日：2009-03-26
申请号：JP2007230500
申请日：2007-09-05
申请人： Babcock Hitachi Kk , バブコック日立株式会社
发明人： UCHIMURA HIDEYUKI , TAKENAGA KAZUHIRO , MUSASHI MITSUGI , SHIMONO NOBUO
IPC分类号： F22B1/18 , F22B29/06
摘要： PROBLEM TO BE SOLVED: To provide an once-through exhaust heat recovery boiler capable of suppressing water hammering at a bypass water supplying mixing portion in starting a boiler.
SOLUTION: This once-through exhaust heat recovery boiler comprises a high-pressure secondary evaporator 3, a high-pressure primary evaporator 7, a high-pressure secondary evaporator inlet communication pipe 9, a high-pressure steam separator 8, and a high-pressure secondary economizer 6, and a high-pressure bypass system 11 is disposed from an outlet side of the high-pressure secondary economizer 6 toward the high-pressure secondary evaporator inlet communication pipe 9.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够在启动锅炉时抑制旁路供水混合部分的水击的直通式废热回收锅炉。解决方案：这种一次性废热回收锅炉包括高压二次蒸发器3，高压一次蒸发器7，高压二次蒸发器入口连通管9，高压蒸汽分离器8和高压次级节能器6和高压旁通系统11从高压二次节能器6的出口侧向高压二次蒸发器入口连通管9配置。（C） 2009年，JPO＆INPIT

3. 发明专利

JP2006153381A Drum boiler, and exhaust heat recovery boiler with drum boiler 有权
标题翻译：鼓式锅炉和带锅炉的排热回收锅炉
公开(公告)号：JP2006153381A
公开(公告)日：2006-06-15
申请号：JP2004346843
申请日：2004-11-30
申请人： Babcock Hitachi Kk , バブコック日立株式会社
发明人： SHIMONO NOBUO
IPC分类号： F22B37/56 , F22D11/00
摘要： PROBLEM TO BE SOLVED: To provide a drum boiler or an exhaust heat recovery boiler with the drum boiler capable of preventing corrosion by keeping a maximum dissolved oxygen concentration of a pre-boiler system and a fuel economizer within a permitted range, and preventing the generation of pitting corrosion on an evaporator around drum.
SOLUTION: A dissolved oxygen analyzer 18 for controlling oxygen injection quantity, is mounted on an inlet or an outlet of the drum 8, and dissolved oxygen concentration is controlled to allow the feed water directly sampled by the dissolved oxygen analyzer 18 to have the maximum dissolved oxygen quantity permitted as the drum water, thus the necessary dissolved oxygen to establish an oxygen treatment method to the pre-boiler and the fuel economizer, can be ensured, and the generation of pitting corrosion on the evaporator 11 around the drum, and the generation of corrosion caused by the shortage of oxygen on the pre-boiler and the fuel economizer can be prevented. Here, the optimum dissolved oxygen can be controlled by controlling the dissolved oxygen concentration of the drum inlet to the permitted maximum oxygen concentration under consideration of a cation bath electric conductivity of the drum water.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种鼓式锅炉或废热回收锅炉，其具有能够通过将预锅炉系统和燃料节约器的最大溶解氧浓度保持在允许范围内来防止腐蚀的滚筒锅炉，以及防止在滚筒周围的蒸发器上产生点腐蚀。解决方案：将用于控制氧气注入量的溶解氧分析器18安装在滚筒8的入口或出口上，并且控制溶解氧浓度以允许由溶解氧分析仪18直接取样的给水具有可以确保允许作为滚筒水的最大溶解氧量，从而为预热锅炉和燃料节约器建立氧气处理方法所需的溶解氧，并且在蒸发器11周围产生点腐蚀，并且可以防止由于预锅炉和燃料节省器上的氧气不足而引起的腐蚀的产生。这里，可以通过在考虑到滚筒水的阳离子浴电导率的情况下将鼓入口的溶解氧浓度控制为允许的最大氧浓度来控制最佳溶解氧。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2005226903A Combined power generation facility comprising gas turbine and exhaust heat recovery boiler 审中-公开
标题翻译：包含气体涡轮机和排放热回收锅炉的组合发电设备
公开(公告)号：JP2005226903A
公开(公告)日：2005-08-25
申请号：JP2004034843
申请日：2004-02-12
申请人： Babcock Hitachi Kk , バブコック日立株式会社
发明人： SHIGENAKA TOSHINORI , MUSASHI MITSUGI , KAI AKITOMO , ENOMOTO TATSUZO , SHIMONO NOBUO , HAYAJIRI MASASHI , MINATO NORITATSU
IPC分类号： F01K23/10 , F22B1/18 , F22B37/22
CPC分类号： Y02E20/16
摘要： PROBLEM TO BE SOLVED: To provide a power generation plant using a gas turbine and an exhaust heat recovery boiler provided with a composition wherein a lot area is reduced to suppress facility costs, and water washing of a heat exchange part of the exhaust heat recovery boiler is easy.
SOLUTION: The combined power generation facility comprises one or more gas turbines (GT) 1, the heat exchange parts 6-8 producing steam by introducing exhaust gas of the gas turbine, and one or more exhaust heat recovery boilers (HRSG) 2 having a steam separating drum 4 storing steam mixed fluid produced by the heat exchange parts 6-8. It has a structure wherein the exhaust heat recovery boilers 2 are respectively arranged in correspondence to each gas turbine 1, one steam separating drum 4 is shared by two or more exhaust heat recovery boilers 2, the steam separating drum 4 is supported on an outer side of a ceiling part of the exhaust heat recovery boiler 2, and the heat exchange parts 6-8 are suspended in an inner side of the ceiling part of the exhaust heat recovery boiler 2.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种使用燃气轮机的发电厂和具有减少批量面积以抑制设备成本的组合物的排气热回收锅炉，以及排气的热交换部分的水洗热回收锅炉容易。解决方案：组合发电设备包括一个或多个燃气轮机（GT）1，通过引入燃气轮机的废气产生蒸汽的热交换部件6-8和一个或多个排气热回收锅炉（HRSG） 2具有储存由热交换部件6-8产生的蒸汽混合流体的蒸汽分离鼓4。排气热回收锅炉2分别对应于每个燃气轮机1布置，一个蒸汽分离鼓4由两个或更多个废热回收锅炉2共用，蒸汽分离筒4被支撑在外侧排气热回收锅炉2的顶棚部分，热交换部分6-8悬挂在排气热回收锅炉2的顶部的内侧。（C）2005年，JPO＆NCIPI

5. 发明专利

JP2009079841A Feed water system of once-through heat recovery boiler 审中-公开
标题翻译：通过热回收锅炉进料水系统
公开(公告)号：JP2009079841A
公开(公告)日：2009-04-16
申请号：JP2007249923
申请日：2007-09-26
申请人： Babcock Hitachi Kk , バブコック日立株式会社
发明人： TAKENAGA KAZUHIRO , SHIMONO NOBUO
IPC分类号： F22D11/00 , F01K9/00 , F22B1/18 , F22B29/06
摘要： PROBLEM TO BE SOLVED: To improve reliability in a feed water pump, by preventing excessiveness of specifications of an apparatus (such as a pipe and a valve) arranged in a feed water system on a condensate pump outlet side in a once-through heat recovery boiler system. SOLUTION: This once-through heat recovery boiler adopts a once-through system as a high pressure system, and adopts a natural circulating system as a medium-low pressure system, and is constituted so that a first line provided with a condensate-desalting device forms the once-through system, by feeding water, by being divided into the first line provided with the condensate-desalting device 7 and a high pressure feed water pump 20 and a second line provided with a medium-low pressure feed water pump 21, on the outlet side of a condensate pump 6 arranged in an alternating current of condenser 5. The second line is also constituted of two lines respectively provided with a medium pressure feed water pump and a low pressure feed water pump. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提高给水泵的可靠性，通过防止设置在冷凝水泵出口侧的给水系统中的设备（例如管道和阀门）的规格过剩，通过热回收锅炉系统。
解决方案：这种一次性热回收锅炉采用一次性系统作为高压系统，采用自然循环系统作为中低压系统，构成为：第一条管线设有冷凝水通过将水分离成设置有冷凝水脱盐装置7的第一管路和高压给水泵20以及设置有中低压给水的第二管线，形成一次通过的系统泵21，在冷凝器5的交流电流中的冷凝水泵6的出口侧。第二管线还由分别设置有中压给水泵和低压给水泵的两条管线构成。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2007298245A Economizer and exhaust heat recovery boiler provided therewith 有权
标题翻译：经济型和排气式热回收锅炉
公开(公告)号：JP2007298245A
公开(公告)日：2007-11-15
申请号：JP2006128347
申请日：2006-05-02
申请人： Babcock Hitachi Kk , バブコック日立株式会社
发明人： YOSHIKAWA MIKIO , NISHIMURA HIROSHI , SHIMONO NOBUO
IPC分类号： F22B37/22 , F22B1/18 , F22D1/02
摘要： PROBLEM TO BE SOLVED: To provide an economizer capable of almost evenly passing fluid through a heat transfer pipe.
SOLUTION: The economizer is characterized in that an exhaust port formed in a tip of an inlet water supply pipe 5 is blocked by a lid member 15, an opening 16 opened toward an arrangement direction of the heat transfer pipes 7 is provided on a circumferential wall of the tip of the inlet water supply pipe 5, and the tip of the inlet water supply pipe 5 including the opening 16 is inserted into an interior of an inlet header 6 to fix the inlet water supply pipe 5 to the inlet header 6.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供能够使流体几乎均匀地通过传热管的节能器。解决方案：节能器的特征在于，形成在入口供水管5的顶端的排气口被盖构件15阻挡，向传热管7的排列方向开口的开口16设置在入口供水管5的前端的圆周壁和包括开口16的入口供水管5的前端插入入口集管6的内部，以将入口供水管5固定在入口集管 6.版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2006250493A Soot and dust trapping device for exhaust heat recovery boiler 审中-公开
标题翻译：用于废热回收锅炉的除尘除尘装置
公开(公告)号：JP2006250493A
公开(公告)日：2006-09-21
申请号：JP2005071256
申请日：2005-03-14
申请人： Babcock Hitachi Kk , バブコック日立株式会社
发明人： NAKAMOTO MITSURU , SHIMONO NOBUO
IPC分类号： F22B1/18 , F22B37/00 , F23J15/00
摘要： PROBLEM TO BE SOLVED: To provide an exhaust heat recovery boiler in which soot and dust are trapped with high efficiency not to be released into the air.
SOLUTION: Considering an allowance or a site temperature deviation for preventing a temperature in a gas flue, measured by a temperature gauge 14 provided on the most downstream side of the gas flue 2 in which a superheater 3, an economizer 4 and a flue gas denitration device 6 are arranged, from being a water vapor dew point or lower, vapor is introduced from the outside through a pipe 15 into the superheater 3 on the upstream side at the time when reaching a set temperature added with 10°C to the water vapor dew point, for example. The superheater 3 is used as a heating source to increase the temperature of gas around the superheater 3 and gradually increase an atmospheric temperature up to the most downstream side along with a gentile gas flow toward a stack 8 on the downstream side. When a temperature on the gas side is increased, a metal temperature on the outer surface of a heat transferrer in contact with the gas and the temperature of ammonium sulfate or acidic ammonium sulfate deposited to the heat transferrer are increased to maintain a drying condition at all times.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种废烟回收锅炉，其中灰尘被高效率地捕获而不被排放到空气中。
解决方案：考虑到通过设置在气体烟道2的最下游侧的温度计14测量的用于防止气体烟道中的温度的余量或场所温度偏差，其中过热器3，节能器4和烟气脱硝装置6从水蒸汽露点或更低温度排出，在达到设定温度为10℃至+ 10℃的时候，从外部通过管15将蒸汽从上游侧引入上游侧的过热器3 例如水汽露点。过热器3用作加热源，以增加过热器3周围的气体的温度，并且逐渐增加大气温度直到最下游侧以及朝向下游侧的堆叠8的外来气体流。当气体侧的温度升高时，与气体接触的传热器的外表面上的金属温度和沉积到传热器上的硫酸铵或酸性硫酸铵的温度升高以保持干燥条件倍。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2005241075A Stack for exhaust heat recovering boiler, and combined power plant with the same 有权
标题翻译：用于排放热回收锅炉的堆叠，以及与之组合的发电厂
公开(公告)号：JP2005241075A
公开(公告)日：2005-09-08
申请号：JP2004049383
申请日：2004-02-25
申请人： Babcock Hitachi Kk , バブコック日立株式会社
发明人： SHIGENAKA TOSHINORI , MUSASHI MITSUGI , KAI AKITOMO , ENOMOTO TATSUZO , SHIMONO NOBUO , HAYAJIRI MASASHI , MINATO NORITATSU
IPC分类号： F23J3/04 , F23J13/00 , F23J15/00
摘要： PROBLEM TO BE SOLVED: To provide a stack for an exhaust heat recovering boiler capable of preventing discharge of solid such as rust, acidic ammonium sulfate and soot dust from the stack outside, while restricting equipment cost.
SOLUTION: A first damper 10 having a function for closing a gas flow passage is arranged under the gas flow passage inside the stack 9 of the exhaust heat recovering boiler 2 having heat exchangers 3-5, into which exhaust gas of a gas turbine 1 is led to generate steam, and a NO
x removing device 6. A second damper 11 having a function for catching solid such as rust, acidic ammonium sulfate and soot dust is provided over the gas flow passage. After the second damper sufficiently catches the solid, the first damper 10 closes the gas flow passage, and the solid caught by the second damper is eliminated.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够防止来自堆垛外部的生锈，酸性硫酸铵和烟尘等固体排出的废热回收锅炉的堆垛，同时限制设备成本。解决方案：具有关闭气体流路功能的第一阻尼器10布置在具有热交换器3-5的排气热回收锅炉2的堆叠9内的气体流动通道内，气体排出气体涡轮机1被引导以产生蒸汽和除去装置6.具有用于捕获诸如锈，酸性硫酸铵和烟尘的固体的功能的第二阻尼器11设置在气体流动通道。在第二阻尼器足够地捕获固体之后，第一阻尼器10关闭气体流动通道，并且消除由第二阻尼器捕获的固体。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2012031923A Gate valve device, and steam handling apparatus with the same 有权
标题翻译：门阀设备和蒸汽处理设备
公开(公告)号：JP2012031923A
公开(公告)日：2012-02-16
申请号：JP2010171398
申请日：2010-07-30
申请人： Babcock Hitachi Kk , Hitachi Ltd , バブコック日立株式会社 , 株式会社日立製作所
发明人： HORI SHIGEKAZU , TAMIBE TOSHISUKE , SHIMONO NOBUO , TAKAHASHI SHIRO , TAMURA AKINORI
IPC分类号： F16K3/32 , F01D25/00 , F16K3/12 , F16K47/02
摘要： PROBLEM TO BE SOLVED: To provide a gate valve device that can effectively prevent the occurrence of hole tone to produce less noise.SOLUTION: A vortex flow generation ring 17 has a plurality of protrusions 22 at a predetermined interval in the circumferential direction, each protrusion 22 being arranged obliquely with respect to the flow direction of fluid 19 flowing through a flow path 12. The vortex flow generation ring is mounted to a valve body 15 so as to face an entry-side flow path 12.

10. 发明专利

JP2011094849A Thermal power generation plant and operation method for the same 审中-公开
标题翻译：热发电厂及其运行方法
公开(公告)号：JP2011094849A
公开(公告)日：2011-05-12
申请号：JP2009247892
申请日：2009-10-28
申请人： Babcock Hitachi Kk , バブコック日立株式会社
发明人： SHIMONO NOBUO
IPC分类号： F22D11/00 , F22B37/56
摘要： PROBLEM TO BE SOLVED: To provide a thermal power generation plant of long useful life by forming a sufficient protective film on a tube inner face.
SOLUTION: This thermal power generation plant includes a steam turbine for power generation, rotated by using steam, a steam condenser 2 for condensing the steam discharged from the steam turbine, and a power generation boiler using the steam condensate produced by the steam condenser 2 in water supply. The thermal power generation plant further includes an oxygen-containing gas suction passage 5 for sucking an oxygen-containing gas by utilizing vacuum of the steam condenser 2, and a dissolved oxygen concentration adjusting device 6 for adjusting dissolved oxygen concentration in the steam condensate on the basis of a result of measurement of concentration of the dissolved oxygen in the steam condensate.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：通过在管内表面上形成足够的保护膜来提供具有长使用寿命的火力发电设备。解决方案：该火力发电厂包括用于发电的蒸汽轮机，通过使用蒸汽旋转;蒸汽冷凝器2，用于冷凝从蒸汽轮机排出的蒸汽;以及发电锅炉，其使用由蒸汽产生的蒸汽冷凝物冷凝器2供水。火力发电厂还包括通过利用蒸汽冷凝器2的真空吸附含氧气体的含氧气体吸入通道5和用于调节蒸汽冷凝器2中的蒸汽冷凝物中的溶解氧浓度的溶解氧浓度调节装置6 测量蒸汽冷凝物中溶解氧浓度的结果的基础。版权所有（C）2011，JPO＆INPIT

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