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公开(公告)号:US20120064242A1
公开(公告)日:2012-03-15
申请号:US13219952
申请日:2011-08-29
CPC分类号: G21C17/0225 , C23C8/02 , C23C8/14 , C23C8/18 , C23F11/185
摘要: According to one embodiment, there is provided a method for monitoring corrosion in a power plant, including: forming a film with a composition of M1FeO3 (M1: trivalent or tetravalent metal) or M2Fe2O4 (M2: divalent metal) on an inner wall surface of each of apparatuses of the power plant; and maintaining the film stably by controlling an amount of introduction of oxygen into each of apparatuses commensurate with a temperature in each of the apparatuses.
摘要翻译: 根据一个实施方案,提供了一种用于监测发电厂中的腐蚀的方法,其包括:在组成为M1FeO3(M1:三价或四价金属)或M2Fe2O4(M2:二价金属))的膜的内壁表面上形成膜 发电厂的每台设备; 并且通过将与每个装置中的温度相称的每个装置中的氧的引入量控制在一起来稳定地保持膜。
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公开(公告)号:US08859038B2
公开(公告)日:2014-10-14
申请号:US13219952
申请日:2011-08-29
CPC分类号: G21C17/0225 , C23C8/02 , C23C8/14 , C23C8/18 , C23F11/185
摘要: Provided is a method for monitoring corrosion in a power plant, including: forming a film with a composition of M1FeO3 (M1 is a trivalent or tetravalent metal) or M2Fe2O4 (M2 is a divalent metal) on the inner wall surface of an apparatus of the power plant; and maintaining the film stably by controlling the amount of introduction of oxygen into the apparatus commensurate with a temperature in the apparatus.
摘要翻译: 提供了一种用于监测发电厂中的腐蚀的方法,包括:在所述装置的内壁表面上形成具有M1FeO3(M1是三价或四价金属)或M2Fe2O4(M2是二价金属)的组成的膜 发电厂; 并且通过控制与装置中的温度相适应的氧进入设备中的量来稳定地保持膜。
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公开(公告)号:US08877335B2
公开(公告)日:2014-11-04
申请号:US13260925
申请日:2010-03-26
CPC分类号: C09D5/084 , C23C26/00 , C23F15/00 , Y10T428/265
摘要: A corrosion-resistant member has a composite titanium oxide film for reducing corrosion deposited on a surface of a construction material, where the composite titanium oxide film is represented by a molecular formula MTiO3 in which M is a transition element, and the corrosion-resistant member is preliminarily manufactured by depositing titanium oxide on the surface of the construction material, and the titanium oxide is subsequently or simultaneously subjected to high temperature treatment under existence of an ion of the transition metal.
摘要翻译: 耐腐蚀构件具有用于减少沉积在构造材料的表面上的腐蚀的复合氧化钛膜,其中复合氧化钛膜由其中M是过渡元素的分子式MTiO3表示,并且耐腐蚀构件 通过在构造材料的表面上沉积氧化钛而预先制造,并且在存在过渡金属的离子的情况下,随后或同时进行氧化钛的高温处理。
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公开(公告)号:US20120039429A1
公开(公告)日:2012-02-16
申请号:US13148606
申请日:2010-02-08
申请人: Osamu Shibasaki , Masato Okamura , Seiji Yamamoto , Toyoaki Miyazaki , Kenji Yamazaki , Tetsuji Kaneko , Minoru Kobayashi
发明人: Osamu Shibasaki , Masato Okamura , Seiji Yamamoto , Toyoaki Miyazaki , Kenji Yamazaki , Tetsuji Kaneko , Minoru Kobayashi
IPC分类号: G21C9/00
CPC分类号: G21C17/0225 , C23F11/18 , C23F11/185 , C23F11/187 , F01K3/181 , F22B1/023 , F22B37/002 , G21C19/307 , G21D3/08 , Y02E30/40
摘要: The present invention provides an operation method of a plant which has a low-pressure feed water heater, a deaerator and a high-pressure feed water heater sequentially arranged in a feed water pipe reaching a steam generator from a condenser, and leads high-temperature feed water to the steam generator, wherein an oxidant is injected onto a surface of a structural material from an oxidant injection line in order to form a film that suppresses an elution of an element constituting the structural material such as the feed water pipe, the low-pressure feed water heater, the deaerator and the high-pressure feed water heater, which come in contact with the high-temperature feed water, and a corrosion suppression substance is further introduced from a corrosion suppression substance introduction line in order to deposit the corrosion suppression substance on a surface of the structural material in which corrosion accelerated by a flow of the feed water occurs.
摘要翻译: 本发明提供了一种工厂的操作方法,该设备具有一个低压给水加热器,一个脱气器和一个高压给水加热器,它依次排列在从冷凝器到达蒸汽发生器的给水管道中,并引导高温 向蒸汽发生器供给水,其中氧化剂从氧化剂注入管线注入到结构材料的表面上,以形成抑制构成诸如给水管的结构材料的元素的洗脱的膜,低 与高温给水接触的压力给水加热器,脱气器和高压给水加热器,并且从腐蚀抑制物质引入管线进一步引入腐蚀抑制物质以沉积腐蚀 发生在由于供给水的流动而加速的腐蚀的结构材料的表面上的抑制物质。
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公开(公告)号:US20120028038A1
公开(公告)日:2012-02-02
申请号:US13260925
申请日:2010-03-26
CPC分类号: C09D5/084 , C23C26/00 , C23F15/00 , Y10T428/265
摘要: A corrosion-resistant member has a composite titanium oxide film for reducing corrosion deposited on a surface of a construction material, where the composite titanium oxide film is represented by a molecular formula MTiO3 in which M is a transition element, and the corrosion-resistant member is preliminarily manufactured by depositing titanium oxide on the surface of the construction material, and the titanium oxide is subsequently or simultaneously subjected to high temperature treatment under existence of an ion of the transition metal.
摘要翻译: 耐腐蚀构件具有用于减少沉积在构造材料的表面上的腐蚀的复合氧化钛膜,其中复合氧化钛膜由其中M是过渡元素的分子式MTiO3表示,并且耐腐蚀构件 通过在构造材料的表面上沉积氧化钛而预先制造,并且在存在过渡金属的离子的情况下,随后或同时进行氧化钛的高温处理。
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公开(公告)号:US09165689B2
公开(公告)日:2015-10-20
申请号:US13148606
申请日:2010-02-08
申请人: Osamu Shibasaki , Masato Okamura , Seiji Yamamoto , Toyoaki Miyazaki , Kenji Yamazaki , Tetsuji Kaneko , Minoru Kobayashi
发明人: Osamu Shibasaki , Masato Okamura , Seiji Yamamoto , Toyoaki Miyazaki , Kenji Yamazaki , Tetsuji Kaneko , Minoru Kobayashi
IPC分类号: G21C9/00 , G21C17/022 , C23F11/18 , F01K3/18 , F22B1/02 , F22B37/00 , G21C19/307 , G21D3/08
CPC分类号: G21C17/0225 , C23F11/18 , C23F11/185 , C23F11/187 , F01K3/181 , F22B1/023 , F22B37/002 , G21C19/307 , G21D3/08 , Y02E30/40
摘要: The present invention provides an operation method of a plant which has a low-pressure feed water heater, a deaerator and a high-pressure feed water heater sequentially arranged in a feed water pipe reaching a steam generator from a condenser, and leads high-temperature feed water to the steam generator, wherein an oxidant is injected onto a surface of a structural material from an oxidant injection line in order to form a film that suppresses an elution of an element constituting the structural material such as the feed water pipe, the low-pressure feed water heater, the deaerator and the high-pressure feed water heater, which come in contact with the high-temperature feed water, and a corrosion suppression substance is further introduced from a corrosion suppression substance introduction line in order to deposit the corrosion suppression substance on a surface of the structural material in which corrosion accelerated by a flow of the feed water occurs.
摘要翻译: 本发明提供了一种工厂的操作方法,该设备具有一个低压给水加热器,一个脱气器和一个高压给水加热器,它依次排列在从冷凝器到达蒸汽发生器的给水管道中,并引导高温 向蒸汽发生器供给水,其中氧化剂从氧化剂注入管线注入到结构材料的表面上,以形成抑制构成诸如给水管的结构材料的元素的洗脱的膜,低 与高温给水接触的压力给水加热器,脱气器和高压给水加热器,并且从腐蚀抑制物质引入管线进一步引入腐蚀抑制物质以沉积腐蚀 发生在由于供给水的流动而加速的腐蚀的结构材料的表面上的抑制物质。
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公开(公告)号:US09758880B2
公开(公告)日:2017-09-12
申请号:US13255765
申请日:2010-03-09
IPC分类号: C23F11/00 , C23F11/02 , C02F1/20 , C02F1/72 , C02F1/02 , C23F14/02 , C02F1/78 , C02F9/00 , F22D1/00 , F22D11/00 , F28B1/02 , F28B9/00 , F28F19/00 , F28F19/01 , G21D1/02 , C02F1/68 , B01D5/00 , G21C9/00 , C02F1/70
CPC分类号: C23F14/02 , C02F1/02 , C02F1/20 , C02F1/66 , C02F1/70 , C02F1/72 , C02F1/722 , C02F1/725 , C02F1/727 , C02F1/78 , C02F9/00 , C02F2209/06 , C02F2209/22 , C02F2303/08 , F22D1/003 , F22D11/00 , F28B1/02 , F28B9/00 , F28F19/00 , F28F19/01 , G21D1/02 , Y02E30/40
摘要: A method for controlling water chemistry in a power generation plant including a low-pressure feedwater heater (18), a deaerator (19), and a high-pressure feedwater heater (20) disposed sequentially along a feedwater pipe (16) from a condenser (15) to a steam generator or a boiler (11) to control the chemistry of feedwater guided to the steam generator or the boiler includes the steps of: injecting an oxidant through an oxidant injection line (31) into feedwater flowing through the feedwater pipe disposed downstream of the condenser in such a way that a dissolved oxygen concentration in the feedwater ranges from 3 to 100 ppb while the feedwater is maintained to be neutral to form an oxide film on surfaces of the feedwater pipe, the low-pressure feedwater heater, the deaerator, the high-pressure feedwater heater, and other structural members that come into contact with the feedwater; and injecting a deoxidant through a deoxidant injection line (35) into the feedwater flowing through the feedwater pipe disposed downstream of the deaerator in such a way that the dissolved oxygen concentration in the feedwater flowing into the steam generator or the boiler lowers to 5 ppb or lower.
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8.
公开(公告)号:US20110318223A1
公开(公告)日:2011-12-29
申请号:US13255765
申请日:2010-03-09
CPC分类号: C23F14/02 , C02F1/02 , C02F1/20 , C02F1/66 , C02F1/70 , C02F1/72 , C02F1/722 , C02F1/725 , C02F1/727 , C02F1/78 , C02F9/00 , C02F2209/06 , C02F2209/22 , C02F2303/08 , F22D1/003 , F22D11/00 , F28B1/02 , F28B9/00 , F28F19/00 , F28F19/01 , G21D1/02 , Y02E30/40
摘要: A method for controlling water chemistry in a power generation plant including a low-pressure feedwater heater (18), a deaerator (19), and a high-pressure feedwater heater (20) disposed sequentially along a feedwater pipe (16) from a condenser (15) to a steam generator or a boiler (11) to control the chemistry of feedwater guided to the steam generator or the boiler includes the steps of: injecting an oxidant through an oxidant injection line (31) into feedwater flowing through the feedwater pipe disposed downstream of the condenser in such a way that a dissolved oxygen concentration in the feedwater ranges from 3 to 100 ppb while the feedwater is maintained to be neutral to form an oxide film on surfaces of the feedwater pipe, the low-pressure feedwater heater, the deaerator, the high-pressure feedwater heater, and other structural members that come into contact with the feedwater; and injecting a deoxidant through a deoxidant injection line (35) into the feedwater flowing through the feedwater pipe disposed downstream of the deaerator in such a way that the dissolved oxygen concentration in the feedwater flowing into the steam generator or the boiler lowers to 5 ppb or lower.
摘要翻译: 一种用于控制发电设备中的水化学性质的方法,包括从冷凝器(16)沿着给水管(16)顺序设置的低压给水加热器(18),除气器(19)和高压给水加热器 (15)到蒸汽发生器或锅炉(11)以控制被引导到蒸汽发生器或锅炉的给水的化学性质包括以下步骤:将氧化剂通过氧化剂注入管线(31)注入到通过给水管道 设置在冷凝器的下游,使得给水中的溶解氧浓度范围为3至100ppb,同时将给水保持为中性,以在给水管,低压给水加热器, 脱气器,高压给水加热器和与给水接触的其他结构件; 以及通过脱氧剂注入管线(35)将脱氧剂注入流经脱气器下游的给水管的给水中,使得流入蒸汽发生器或锅炉的给水中的溶解氧浓度降至5ppb或 降低。
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