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1.发明授权Clean-up system for the chemical decontamination of a nuclear reactor primary system 失效核反应堆主要系统的化学除污清理系统
公开(公告)号：US5325410A
公开(公告)日：1994-06-28
申请号：US983503
申请日：1992-11-30
IPC分类号： G21C19/307 , G21F9/12 , G21C19/42
CPC分类号： G21F9/12 , G21C19/307 , G21Y2002/201 , G21Y2004/305
摘要： A chemical decontamination clean-up system for use on-line in a nuclear reactor primary system includes a pump arrangement within the nuclear reactor primary system for pumping primary system fluids to a cleaning system located directly downstream from the pump assembly. The cleaning system includes a plurality of first demineralizer banks arranged in a predetermined flow pattern for receiving the primary system fluids. Each of the first demineralizer banks comprises at least two individual, resin-filled demineralizers arranged in parallel wherein primary system fluids are demineralized. Each of the demineralizer banks includes valving for selectively directing the primary system fluids from the pump arrangement to selected demineralizer banks in the plurality of the first demineralizer banks. A second demineralizer bank receives the primary system fluids from the plurality of first demineralizer banks. The second demineralizer bank includes at least two individual, resin-filled demineralizers arranged in parallel wherein primary system fluids are "finish" demineralized. A return system receives the primary system fluids from the second demineralizer bank and directs the fluids back to the nuclear reactor primary system. The return system includes at least one trap for receiving the primary system fluids from the second demineralizer bank and operable to remove resin suspended in the primary system fluids, and at least one filter downstream from the trap for removing solids suspended in the primary system fluids prior to the return of the fluids to the nuclear reactor primary system.
摘要翻译： 在核反应堆主系统中在线使用的化学净化清理系统包括在核反应堆主系统内的泵装置，用于将初级系统流体泵送到位于泵组件正下游的清洁系统。 清洁系统包括以预定的流动方向布置的用于接收主要系统流体的多个第一去矿化剂组。 每个第一脱盐剂组包括平行布置的至少两个单独的充满树脂的脱盐装置，其中主系统流体被软化。 每个软化器组包括阀，用于将主系统流体从泵装置选择性地引导到多个第一脱盐剂组中的选定的脱盐剂组。 一个第二脱盐机组从多个第一脱盐机组接收主系统流体。 第二脱盐器组包括平行布置的至少两个单独的树脂充填的软化器，其中主系统流体被“完成”去矿物质。 返回系统接收来自第二脱盐器组的主系统流体并将流体引导回到核反应堆主系统。 返回系统包括至少一个用于从第二脱盐剂组接收主要系统流体的捕集器，并可操作以移除悬浮在主系统流体中的树脂，以及至少一个过滤器下游的过滤器，用于去除悬浮在主系统流体中的固体 将流体返回到核反应堆主要系统。
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2.发明授权Nuclear reactor primary system chemical decontamination clean-up system component arrangement 失效核反应堆主要系统化学净化清理系统组件安排
公开(公告)号：US5491732A
公开(公告)日：1996-02-13
申请号：US989420
申请日：1992-12-11
申请人： Gary J. Corpora , Phillip E. Miller , Thomas G. Bengel , Frank I. Bauer , Dan H. Dixon , James Sejvar
发明人： Gary J. Corpora , Phillip E. Miller , Thomas G. Bengel , Frank I. Bauer , Dan H. Dixon , James Sejvar
CPC分类号： G21D1/02 , G21C19/28 , G21Y2002/301 , G21Y2002/501 , G21Y2004/30 , G21Y2004/60 , Y02E30/40
摘要： A nuclear reactor having a chemical decontamination clean-up system is provided in which every component of the chemical decontamination clean-up equipment which processes radioactive fluids is located within a shielded room of an existing on-site support building. Those components of the clean-up system not in direct contact with radioactive fluids are housed in portable trailers. The decontamination clean-up system is designed to provide for adequate shielding to minimize personnel exposure and also incorporates a modular design for component transportation and storage.
摘要翻译： 提供了具有化学去污清理系统的核反应堆，其中处理放射性流体的化学净化清理设备的每个部件位于现有现场支持建筑物的屏蔽室内。 不与放射性液体直接接触的清理系统的部件安装在便携式拖车中。 净化清理系统旨在提供足够的屏蔽以尽量减少人员接触，并且还包含组件运输和存储的模块化设计。
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公开(公告)号：US5517539A
公开(公告)日：1996-05-14
申请号：US356820
申请日：1994-12-15
CPC分类号： G21C19/30 , G21Y2002/303 , G21Y2004/40
摘要： In a method of decontaminating a primary loop of a pressurized water reactor, including a steam generator, reactor coolant pump and hot and cold legs in the loop, the primary loop is isolated from a nuclear reactor vessel by closing hot leg and cold leg loop stop valves. Decontamination process water is circulated from one side of the steam generator channel head to the other side of the channel head via a bypass pipe extending between the cold leg and the hot leg without bypassing the water through steam generator tubes extending between the sides of the channel head. The level of the decontamination water in the steam generator is maintained at two to three feet in the tubes.
摘要翻译： 在对包括蒸汽发生器，反应堆冷却剂泵以及回路中的冷热腿的压水反应堆的主回路进行净化的方法中，通过闭合热腿和冷腿循环停止将主回路与核反应堆隔离 阀门 净化处理水通过在冷腿和热腿之间延伸的旁通管而从蒸汽发生器通道头的一侧循环到通道头的另一侧，而不会通过在通道的两侧之间延伸的蒸汽发生器管绕过水 头。 蒸汽发生器中去污水的水平保持在管中2-3英尺处。
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公开(公告)号：US5139734A
公开(公告)日：1992-08-18
申请号：US621130
申请日：1990-11-26
IPC分类号： G21C19/307
CPC分类号： G21C19/307
摘要： A unique resin processing system for providing and removing resin to large demineralizer vessels during chemical decontamination of nuclear reactor primary systems is disclosed. Resin is premeasured in a batching tank for accurate filling of demineralilzer resin bed while minimizing personnel radioactivity exposure. Sluice water transfers spent resin to a storage tank and, thereafter, is recycled for subsequent sluicing operations. Spent resin from the storage tank is periodically delivered to high integrity containers for ultimate disposal.
摘要翻译： 公开了一种独特的树脂加工系统，用于在核反应堆主要系统的化学去污处理中为大型脱盐剂容器提供和除去树脂。 在配料槽中预先测量树脂，以精确地填充脱矿砂浆树脂床，同时尽量减少人员的放射性暴露。 水闸将废树脂转移到储罐中，然后再循环用于随后的洗涤操作。 定期将来自储罐的废树脂输送到高度完整的容器中，以便最终处置。
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5.发明授权Clean-up sub-system for chemical decontamination of nuclear reactor primary systems 失效核反应堆主要系统化学除污清理子系统
公开(公告)号：US5089217A
公开(公告)日：1992-02-18
申请号：US621129
申请日：1990-11-26
摘要： A unique clean-up sub-system for chemical decontamination of nuclear reactor primary systems is disclosed. Chemically-processed fluids containing suspended and dissolved solids are directed through a back-flushable filter and, thereafter, through one or more cartridge filters. After this initial filtering of suspended solids, the process fluid is directed to one or more demineralizer banks for removal of dissolved solids, followed by additional cartridge filtering to remove any resin fines carried out of the demineralizer banks. After final filtering, the process fluids are returned to the primary system, with or without chemical injection.
摘要翻译： 公开了用于核反应堆主要系统的化学去污的独特清理子系统。 含有悬浮和溶解固体的化学处理流体被引导通过可反冲洗的过滤器，然后通过一个或多个筒式过滤器。 在初始过滤悬浮固体之后，将过程流体引导至一个或多个去矿物质组以除去溶解的固体，随后进行另外的滤筒过滤以除去从脱盐剂组中进行的任何树脂细粉。 在最终过滤之后，将过程流体返回到初级系统，无论是否进行化学注入。
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6.发明授权
公开(公告)号：US5126100A
公开(公告)日：1992-06-30
申请号：US633888
申请日：1990-12-26
IPC分类号： G21C17/00
CPC分类号： G21C17/00
摘要： A unique and optimal method for assessing the feasibility of employing chemical decontamination processes to remove crud from nuclear reactor primary systems without adversely affecting the integrity of the system components or piping during further reactor operation is disclosed. Materials used to construct such components and piping are exposed to several cycles of simulated decontamination processing with a test loop constructed to simulate a range of full system decontamination process conditions. The material specimens are then removed and tested to assure that the particular decontamination processing system has no adverse effects on the materials used.
摘要翻译： 公开了一种独特和最佳的方法，用于评估在进一步的反应器操作期间使用化学去污过程从核反应堆主系统中除去原油而不会不利地影响系统部件或管道的完整性的可行性。 用于构建这种组分和管道的材料暴露于几个循环的模拟去污处理，其中建立了用于模拟一系列完全系统去污工艺条件的测试回路。 然后将材料样品取出并进行测试，以确保特定的去污处理系统对所用材料没有不利影响。
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7.发明授权Method and system for maintaining pressure in a nuclear power plant primary loop during startup or shutdown 失效在启动或关闭期间维持核电厂主回路压力的方法和系统
公开(公告)号：US5491731A
公开(公告)日：1996-02-13
申请号：US270273
申请日：1994-07-05
CPC分类号： G21C1/09 , G21Y2002/205 , G21Y2002/501 , G21Y2004/401 , Y02E30/40
摘要： An automated method for maintaining pressure within a nuclear power plant primary loop during either startup or shutdown, the method comprises the steps of partially filling a portion of a pressurizer vessel, in fluid communication with the primary loop, with a liquid for maintaining pressure in the primary loop; circulating a primary coolant through the primary loop; automatically injecting an inert gas by a first automated device, operatively connected to the pressurizer, into the pressurizer vessel when the pressure in the pressurizer vessel is less than a first predetermined pressure; and automatically venting the gas by a second automated device, operatively connected to the pressurizer, from the pressurizer vessel when the pressure in the pressurizer vessel is greater than a second predetermined pressure.
摘要翻译： 一种用于在启动或关闭期间保持核电厂初级回路内的压力的自动化方法，该方法包括以下步骤：将与主回路流体连通的一部分加压容器部分地填充以保持压力在 主回路; 使主冷却剂循环通过初级回路; 当加压容器中的压力小于第一预定压力时，通过可操作地连接到加压器的第一自动装置自动地将惰性气体注入加压器容器中; 并且当加压器容器中的压力大于第二预定压力时，通过可操作地连接到加压器的第二自动装置从加压器容器自动排出气体。
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8.发明授权Outside of containment chemical decontamination system for nuclear reactor primary systems 失效在核反应堆主要系统的遏制化学净化系统之外
公开(公告)号：US5171519A
公开(公告)日：1992-12-15
申请号：US630049
申请日：1990-12-19
摘要： A nuclear reactor having a chemical decontamination system is provided in which every piece of decontamination equipment which processes radioactive materials is located within a decontamination building. The decontamination system is designed to provide for adequate protection for personnel safety and also incorporates a modular design for equipment transportation and storage.
摘要翻译： 提供了具有化学去污系统的核反应堆，其中处理放射性物质的每一个去污设备位于净化建筑物内。 净化系统旨在为人员安全提供足够的保护，并且还包括设备运输和存储的模块化设计。
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9.发明授权In-containment chemical decontamination system for nuclear rector primary systems 失效核反应堆主要系统的包含化学净化系统
公开(公告)号：US5132076A
公开(公告)日：1992-07-21
申请号：US629402
申请日：1990-12-18
IPC分类号： G21C19/307 , G21F9/00 , G21F9/12
CPC分类号： G21F9/12 , G21C19/307 , G21F9/002
摘要： A nuclear reactor having a chemical decontamination system is provided in which every piece of decontamination equipment which processes radioactive materials is located within the containment chamber of the nuclear reactor. This decontamination system therefore presents advantageous safety benefits over an outside of containment system in the unlikely event of a leak of radioactive materials from the decontamination system.
摘要翻译： 提供了具有化学去污系统的核反应堆，其中处理放射性物质的每一个去污设备位于核反应堆的容纳室内。 因此，这种净化系统在泄放物质从净化系统泄漏的可能性不大的情况下，比遏制系统的外部具有有利的安全益处。
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公开(公告)号：US5089216A
公开(公告)日：1992-02-18
申请号：US621120
申请日：1990-11-26
摘要： A unique and optimum nuclear steam supply system operating configuration for integration of a chemical decontamination system is disclosed. The chemical decontamination system is connected to, and returns to, the residual heat removal system downstream of a residual heat removal heat exchanger, thereby utilizing the residual heat removal system to control the temperature of process fluids entering the decontamination system. A reactor coolant pump or pumps generates heat for the chemical processes as needed and a nitrogen blanket within the primary system pressurizer is utilized for system pressure control.
摘要翻译： 公开了一种用于整合化学去污系统的独特和最佳的核蒸汽供应系统操作配置。 化学去污系统连接到残余除热热交换器下游的残余散热系统并返回，从而利用残余散热系统来控制进入去污系统的过程流体的温度。 反应堆冷却剂泵或泵根据需要产生用于化学过程的热量，并且使用主系统加压器内的氮气层进行系统压力控制。
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