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1. 发明专利

JP2012097336A Scale removing method of chromium-containing steel material 有权
标题翻译：含铬钢材的尺度去除方法
公开(公告)号：JP2012097336A
公开(公告)日：2012-05-24
申请号：JP2010247564
申请日：2010-11-04
申请人： Kurita Engineering Co Ltd , Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社 , 栗田エンジニアリング株式会社
发明人： YOSHIKAWA TADAYOSHI , ICHIHARA TARO , YAMADA KENJI
IPC分类号： C23G1/08 , C22C38/00 , C22C38/18
摘要： PROBLEM TO BE SOLVED: To provide a scale removing method of a chromium-containing steel material for sufficiently removing, with a simple facility, scale of a bilayer structure having a lower layer containing high chromium oxide content formed on the surface of the chromium-containing steel material and an upper layer mainly made of iron oxide.SOLUTION: The scale removing method for a surface of the chromium-containing steel material, where the scale has the bilayer structure having the upper layer and lower layer and the chromium oxide content of the lower layer is higher than that of the upper layer, includes: a first step of removing the upper layer with acid; and a second step of applying oxidation treatment to the lower layer to solubilize the chromium oxide of the lower layer and then performing acid treatment. Preferably, the second step is repeated until the whole lower layer is removed. As the acid treatment, treatment by permanganate is suitable.
摘要翻译：要解决的问题：为了提供一种含铬钢材的除垢方法，用于通过简单的设备充分除去在该表面上形成的具有含有高的氧化铬含量的下层的双层结构的氧化皮含铬钢材和主要由氧化铁制成的上层。解决方案：用于具有具有上层和下层的层状结构的氧化皮和下层的铬氧化物含量的含铬钢材的表面的除垢方法高于上层包括：用酸去除上层的第一步骤; 以及对下层进行氧化处理以溶解下层的氧化铬然后进行酸处理的第二步骤。优选地，重复第二步骤直到整个下层被去除。作为酸处理，高锰酸盐处理是合适的。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2014084475A Anticorrosion liquid for organic acid cleaning 有权
标题翻译：用于有机酸清洗的防腐液体
公开(公告)号：JP2014084475A
公开(公告)日：2014-05-12
申请号：JP2012232137
申请日：2012-10-19
申请人： Asahi Kagaku Kogyo Co Ltd , 朝日化学工業株式会社 , Kurita Engineering Co Ltd , 栗田エンジニアリング株式会社
发明人： JOKYO TOSHIFUMI , ITABA TAMOTSU , OTA KOJI , YOSHIKAWA TADAYOSHI
IPC分类号： C23G1/26 , C11D1/58 , C11D3/20 , C11D3/34 , C11D3/37
摘要： PROBLEM TO BE SOLVED: To provide an anticorrosion liquid for organic acid cleaning having anticorrosion and corrosion preventing effects during cleaning of a steel material, especially a chromium-containing steel material, and having these stable long-lasting effects during acid cleaning, and to provide a method of cleaning metals using the anticorrosion liquid for organic acid cleaning.SOLUTION: An anticorrosion liquid for organic acid cleaning is obtained by addition blending anticorrosion component to a cleaning liquid containing organic acid of 0 to 100 pts.wt., a chelator of 100 to 250 pts.wt. and a reductant of 50 to 150 pts.wt. and having pH of 6 to 8, and the anticorrosion component contains at least one kind of a pyridinium compound of 0.03 to 0.15 wt.%, an organic sulfur compound of 0.05 to 0.3 wt.%, and a soluble polymer having an ether group, a hydroxyl group, an ester group or a ketone group in a molecule of 0.03 to 0.2 wt.%.
摘要翻译：要解决的问题：提供一种用于有机酸清洗的防腐液体，其在清洁钢材，特别是含铬钢材料时具有防腐蚀和防腐蚀作用，并且在酸洗期间具有这些稳定的持久效果，并提供使用防腐液清洗金属的有机酸清洗方法。解决方案：通过将含有0〜100重量份有机酸，100重量份螯合剂的清洗液加入混合防腐成分，得到有机酸清洗用防腐液体至250磅和50至150重量份的还原剂 pH为6〜8，防腐成分含有0.03〜0.15重量％的吡啶鎓化合物和0.05〜0.3重量％的有机硫化合物和具有醚基的可溶性聚合物中的至少1种，羟基，酯基或酮基，分子中为0.03〜0.2重量％。

3. 发明专利

JP2012024735A Washing method and apparatus of oxygenation applying boiler 有权
标题翻译：应用锅炉的清洗方法和装置
公开(公告)号：JP2012024735A
公开(公告)日：2012-02-09
申请号：JP2010168324
申请日：2010-07-27
申请人： Kurita Engineering Co Ltd , 栗田エンジニアリング株式会社
发明人： IKEDA DAISUKE , YOSHIKAWA TADAYOSHI
IPC分类号： B08B3/14 , C23G3/00 , F22B37/52 , F28G9/00
摘要： PROBLEM TO BE SOLVED: To provide a method and an apparatus for washing an oxygenation applying boiler which remove fine solid matter generated during chemical washing, reduce consumption of acid during washing, corrosion and residue of the solid matter to a retention part of a boiler body after washing, and return the boiler after washing to a well-washed state.SOLUTION: Washing liquid is fed to the boiler 1 from a line 2. The washing liquid flowing out of the boiler 1 is led to a centrifuge 4 by a line 3 to separate coarse solid matter. A part of the liquid from which the coarse solid matter is separated by the centrifuge is sent to the line 2 via a line 5 and a pump 9 as it is. The residue of the liquid treated in the centrifuge is subjected to fine solid matter removal treatment via a line 6 by a filter or a membrane 7, then sent to the line 2 via a line 8 and the pump 9.
摘要翻译：要解决的问题：提供一种洗涤氧化应用锅炉的方法和装置，其除去在化学洗涤期间产生的细小固体物质，减少洗涤期间酸的消耗，固体物质的腐蚀和残留物到保留部分锅炉体清洗后，将锅炉洗净后回到良好的状态。解决方案：洗涤液体从管线2供给到锅炉1.从锅炉1流出的洗涤液通过管线3被引导到离心机4，以分离粗固体物质。通过离心机分离出粗固体物质的一部分液体经由管线5和泵9被原样送入管线2。在离心机中处理的液体的残留物通过过滤器或膜7经由管线6进行细小的固体物质去除处理，然后通过管线8和泵9被送至管线2。 C）2012，JPO＆INPIT

4. 发明专利

JP2013186025A Treatment apparatus and treatment method of decontamination waste liquid 审中-公开
标题翻译：处理装置和处理废水的处理方法
公开(公告)号：JP2013186025A
公开(公告)日：2013-09-19
申请号：JP2012052505
申请日：2012-03-09
申请人： Hitachi-Ge Nuclear Energy Ltd , 日立Geニュークリア・エナジー株式会社 , Kurita Engineering Co Ltd , 栗田エンジニアリング株式会社
发明人： MATSUBARA HIROFUMI , AIZAWA MOTOHIRO , HONDA HISAO , SUZUKI KAZUNOBU , KAZAMA MASAHIKO , YOSHIKAWA TADAYOSHI , SUZUKI KAZUHITO
IPC分类号： G21F9/06 , G21F9/08
摘要： PROBLEM TO BE SOLVED: To easily separate and collect purified water from which solid matters and radioactive substances are efficiently removed without increasing secondary waste quantity when treating radioactive waste solution in which contaminated water and sludge coexist, and also to collect the solid matters as dry matter allowed to be stably stored for a long period.SOLUTION: A decontamination waste liquid treatment apparatus for treating decontamination waste liquid contaminated with radioactive substances containing soluble contaminant and granular suspended matter includes: a decontamination waste liquid tank filled with the decontamination waste liquid contaminated with the radioactive substances containing the soluble contaminant and the granular suspended matter; a filter unit for separating the decontamination waste liquid from the decontamination waste liquid tank into filtered residue and filtered water; a reverse osmosis membrane purification unit for separating the filtered water from the filter unit into concentrated water and purified water; and a drying unit for drying and solidifying the concentrated water supplied from the reverse osmosis membrane purification unit.
摘要翻译：要解决的问题：在处理污染的水和污泥共存的放射性废物溶液时，容易地分离收集固体物质和放射性物质的净化水，而不会增加二次废物量，并将固体物质作为干物质允许长期稳定储存。解决方案：用于处理被含有可溶性污染物和颗粒状悬浮物质的放射性物质污染的净化废液的去污废液处理装置包括：填充有被污染的去污废液的净化废液箱含有可溶性污染物和颗粒悬浮物质的放射性物质; 用于将净化废液从去污废液罐分离成过滤残渣和过滤水的过滤器单元; 用于将过滤水从过滤器单元分离成浓缩水和净化水的反渗透膜净化单元; 以及干燥装置，用于干燥和固化从反渗透膜净化单元供应的浓缩水。

5. 发明专利

JP2013170762A Chemical cleaning method of main steam pipe or reheat steam pipe 有权
标题翻译：主蒸汽管或蒸汽管的化学清洗方法
公开(公告)号：JP2013170762A
公开(公告)日：2013-09-02
申请号：JP2012035274
申请日：2012-02-21
申请人： Shikoku Electric Power Co Inc , 四国電力株式会社 , Kurita Engineering Co Ltd , 栗田エンジニアリング株式会社
发明人： MATSUOKA SETSUO , ONO MASAJI , YAMAZAKI KAZUHIRO , SAKAKIBARA KATSUMI , TSUJIMARU KOJI , YOSHIKAWA TADAYOSHI
IPC分类号： F28G9/00
摘要： PROBLEM TO BE SOLVED: To provide a chemical cleaning method of a main steam pipe or reheat steam pipe, capable of sufficiently cleaning the topmost part of the main steam pipe or reheat steam pipe even with a small hole of the main steam pipe or reheat steam pipe, and further preventing a cleaning solution from flowing into a superheater pipe side or reheater pipe side.SOLUTION: A chemical cleaning method cleans the inside of a main steam pipe 6 or reheat steam pipe in communication with a superheater pipe or reheater pipe using a chemical cleaning solution, wherein the main steam pipe 6 or reheating steam pipe has at the topmost part thereof a first horizontal part 6a, a sloped part 6b and a second horizontal part 6c in the order from a pipe header of the superheater or a pipe header of the reheater. A seat for cleaning is formed at a lower part of the sloped part 6b or at the second horizontal part 6c. The chemical cleaning solution is supplied from the seat for cleaning into the main steam pipe or reheating steam pipe so that the level of the cleaning solution in the main steam pipe or reheating steam pipe is located at the sloped part 6b.
摘要翻译：要解决的问题：为了提供主蒸汽管或再热蒸汽管的化学清洗方法，即使用主蒸汽管的小孔或再热蒸汽也能充分清洁主蒸汽管的最上部或再热蒸汽管管道，进一步防止清洗液流入过热器管侧或再热管侧。解决方案：化学清洗方法清洁主蒸汽管6的内部或再次加热与过热器管或再热管连通的蒸汽管，使用化学清洗液，其中主蒸汽管6或再加热蒸汽管在其最高部分处具有第一水平部分6a，倾斜部分6b和第二水平部分6c，从过热器的管道头或管道头的再热器。在倾斜部6b的下部或第二水平部6c处形成有用于清洁的座。化学清洗液从用于清洗的座椅供应到主蒸汽管或再加热蒸汽管中，使得主蒸汽管或再加热蒸汽管中的清洁溶液的水平位于倾斜部分6b。

6. 发明专利

JP2011147895A Method for manufacturing of adsorbent for nitrogen monoxide 有权
标题翻译：氮氧化物吸附剂制备方法
公开(公告)号：JP2011147895A
公开(公告)日：2011-08-04
申请号：JP2010012071
申请日：2010-01-22
申请人： Kurita Engineering Co Ltd , Tohoku Electric Power Co Inc , 東北電力株式会社 , 栗田エンジニアリング株式会社
发明人： ASANO TAKAHIRO , SUSA KENICHI , YOSHIKAWA TADAYOSHI , KIYOTAKI KAZUHIRO
IPC分类号： B01J20/20 , B01J20/30 , C01B31/08 , C01B31/10
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing an adsorbent for nitrogen monoxide capable of effectively manufacturing, at a low cost, an adsorbent, with high strength, for nitrogen oxide which possesses the adsorbing performance of nitrogen monoxide at a higher temperature than those of conventional adsorbents.
SOLUTION: Molding formed by mixing binders such as a petroleum system pitch or polyvinyl alcohol with powders of an ion exchange resin is calcinated at 200-300°C in the air, a fired material is carbonized at 600-700°C in an inert gas, and a carbide is activated at 800-1,000°C, and thus the adsorbent for nitrogen monoxide is manufactured.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决问题的方案：提供一种制造一氧化氮吸附剂的方法，其能够低成本地高效地制造具有一氧化氮吸附性能的氮氧化物的高强度吸附剂温度高于常规吸附剂。解决方案：通过将诸如石油系沥青或聚乙烯醇的粘合剂与离子交换树脂的粉末混合形成的模塑在空气中在200-300℃下煅烧，将烧制材料在600-700℃下碳化惰性气体，碳化物在800〜1000℃下活化，制造一氧化氮吸附剂。版权所有（C）2011，JPO＆INPIT

7. 发明专利

JP2003080192A Washing method for machinery or piping 有权
标题翻译：机械或管道清洗方法
公开(公告)号：JP2003080192A
公开(公告)日：2003-03-18
申请号：JP2001275274
申请日：2001-09-11
申请人： Kurita Engineering Co Ltd , Toden Kogyo Co Ltd , 東電工業株式会社 , 栗田エンジニアリング株式会社
发明人： KIDAI MASAMITSU , HIRAKAWA MASAYUKI , OSHIMA YOSHIHARU , MAEDA RYOJI , KUBO SHINKO , KIYOTAKI KAZUHIRO , YOSHIKAWA TADAYOSHI , ISHIFUKU SUNAO
IPC分类号： B08B9/02 , F16L55/24
摘要： PROBLEM TO BE SOLVED: To inexpensively, safely and efficiently wash machinery or piping by isolating the washing region 1A and non-washing region 1B of the machinery or piping by a simple means to certainly prevent the leak of a washing liquid from the washing region 1A.
SOLUTION: A balloon 4 is inserted in the boundary part of the washing region 1A and non-washing region 1B in the machinery or piping 1 and a fluid is supplied into the balloon 4 to expand the balloon 4 to isolate the washing region 1A and the non-washing region 1B. After seal water is injected in the non-washing region 1B, the washing liquid is supplied to the washing region 1A to wash the washing region 1A.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：通过简单的手段隔离机器或管道的洗涤区域1A和非洗涤区域1B，以便廉价，安全和有效地清洗机器或管道，以确保防止来自洗涤区域1A的洗涤液体的泄漏。解决方案：将球囊4插入到机器或管道1中的洗涤区域1A和非洗涤区域1B的边界部分中，并且将流体供应到球囊4中以膨胀球囊4以隔离洗涤区域1A和非洗涤区1B。在非洗涤区域1B中注入密封水后，向洗涤区域1A供给洗涤液，洗涤区域1A。

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