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1. 发明专利

JP2012071272A Method for removing oxygen and deoxidizer 审中-公开
标题翻译：消除氧气和脱氧剂的方法
公开(公告)号：JP2012071272A
公开(公告)日：2012-04-12
申请号：JP2010219234
申请日：2010-09-29
申请人： Kurita Water Ind Ltd , 栗田工業株式会社
发明人： ENDO MASARU , SAKAI MIZUYUKI , NAKAMURA MARIKO
IPC分类号： C02F1/58 , C02F5/00 , C02F5/10 , C02F5/12 , C02F5/14
摘要： PROBLEM TO BE SOLVED: To provide a method for removing oxygen in which oxygen removing speed is fast even at low temperatures and deoxidizer.SOLUTION: In the method for removing oxygen in a water system in which (1) polyphenols is added, an alkaline earth metal salt is added to the water system, and (2) the deoxidizer includes the combination of the polyphenols and the alkaline earth metal salt.
摘要翻译：要解决的问题：提供即使在低温下脱氧速度快的除氧速度和脱氧剂的方法。解决方案：在添加了（1）多酚的水系中除氧的方法中，向水体系中加入碱土金属盐，（2）脱氧剂包括多酚和碱土金属盐。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2008240073A Corrosion prevention method of boiler 有权
标题翻译：锅炉腐蚀预防方法
公开(公告)号：JP2008240073A
公开(公告)日：2008-10-09
申请号：JP2007082734
申请日：2007-03-27
申请人： Kurita Water Ind Ltd , 栗田工業株式会社
发明人： UCHIDA KAZUYOSHI , ENDO MASARU
IPC分类号： C23F11/12 , B01D19/00 , C02F1/20 , C02F5/00 , C02F5/10 , C23F15/00 , F22B37/52
摘要： PROBLEM TO BE SOLVED: To provide a corrosion prevention method of a boiler with which a corrosion prevention effect and scale prevention effect of copper can be simultaneously obtained in a boiler water system containing copper in feed water.
SOLUTION: The corrosion prevention method of the boiler containing the copper in the feed water comprises adding a rust preventive material to the boiler water system in such a manner that the oxidation-reduction potential of blow water turns to ≥0 mV. An anticorrosive material has low deoxidizing capability and for example, a succinic acid or its salt, citric acid or its salt, a sorbic acid or its salt can be used.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种锅炉的防腐蚀方法，在含水铜的锅炉水系统中可以同时获得铜的防腐蚀效果和防垢效果。
解决方案：在给水中含有铜的锅炉的防腐蚀方法包括向锅炉水系添加防锈材料，使得吹水的氧化还原电位变为≥0mV。防腐蚀材料具有低脱氧能力，例如可以使用琥珀酸或其盐，柠檬酸或其盐，山梨酸或其盐。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2010221198A Scale inhibitor and method for inhibiting scale 有权
标题翻译：规模抑制剂和抑制剂量的方法
公开(公告)号：JP2010221198A
公开(公告)日：2010-10-07
申请号：JP2009074691
申请日：2009-03-25
申请人： Kurita Water Ind Ltd , 栗田工業株式会社
发明人： ENDO MASARU
IPC分类号： C02F5/10 , C02F5/00
摘要： PROBLEM TO BE SOLVED: To provide a scale inhibitor and a method for inhibiting scale which exhibit an excellent scale inhibiting effect while using carboxymethylcellulose having a degree of substitution of carboxymethyl groups in a wide range or its salt.
SOLUTION: The scale inhibitor includes carboxymethylcellulose or its salt, and is used in a water system which is operated under such a condition that the total concentration of calcium and magnesium in the supply water is X mg/L in terms of calcium carbonate, the concentration rate is Y, and the product of X and Y is ≤30.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：待解决的问题：提供一种防垢剂和抑制垢的方法，其使用在宽范围内具有羧甲基取代度的羧甲基纤维素或其盐时具有优异的防垢效果。解决方案：防垢剂包括羧甲基纤维素或其盐，并且用于在供水中的钙和镁的总浓度以碳酸钙计为Xmg / L的条件下运行的水系统中，浓度为Y，X和Y的乘积≤30。版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2007144369A Scale inhibiting agent and method for water system 审中-公开
标题翻译：规模抑制剂和水系统的方法
公开(公告)号：JP2007144369A
公开(公告)日：2007-06-14
申请号：JP2005346117
申请日：2005-11-30
申请人： Kurita Water Ind Ltd , 栗田工業株式会社
发明人： ENDO MASARU , MORIYAMA HITOSHI
IPC分类号： C02F5/10 , C02F5/00 , C09K3/00
摘要： PROBLEM TO BE SOLVED: To provide a scale inhibiting agent which has high scale inhibiting effect in a water system, especially a boiler water system, without using phosphates, and has high safety, and a method for employing the agent.
SOLUTION: The scale inhibiting agent contains carboxymethylcellulose with a substitution degree of a carboxymethyl group of ≥1.0, or its salt, and a scale inhibiting method employs the agent. By specifying the substitution degree, the carboxymethylcellulose or its salt exhibits an excellent scale inhibiting effect. As sodium carboxymethylcellulose is approved as a food additive, it can respond to a request for higher safety.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：待解决的问题：提供一种在水系统，特别是锅炉水系统中不使用磷酸盐并具有高安全性的具有高阻垢效果的防垢剂，以及使用该试剂的方法。解决方案：阻垢剂含有羧甲基取代度≥1.0的羧甲基纤维素或其盐，并且防垢方法使用该试剂。通过指定取代度，羧甲基纤维素或其盐表现出优异的阻垢效果。由于羧甲基纤维素钠被认可为食品添加剂，因此可以响应更高安全性的要求。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2006029989A Method of measuring concentration of anionic polymer for water treatment 有权
标题翻译：测定用于水处理的阴离子聚合物浓度的方法
公开(公告)号：JP2006029989A
公开(公告)日：2006-02-02
申请号：JP2004209420
申请日：2004-07-16
申请人： Kurita Water Ind Ltd , 栗田工業株式会社
发明人： ENDO MASARU
IPC分类号： G01N21/82
摘要： PROBLEM TO BE SOLVED: To provide a method of measuring precisely a concentration of an anionic polymer in an objective water system, when a chemical for water treatment containing a polyphenolic organic substance such as tannic acid and the anionic polymer is added into the objective water system.
SOLUTION: In this method of measuring the concentration of the anionic polymer, one portion of water is collected out of the objective water system added with the chemical for the water treatment, as a water specimen, an oxidant capable of oxidation-decomposing the polyphenolic organic substance is added preliminarily to decompose oxidatively the polyphenolic organic substance, a reagent reacting with the anionic polymer to generate white turbidity is added thereafter, and the generated white turbidity is measured turbidimetrically.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供精确测量目标水体系中的阴离子聚合物的浓度的方法，当将含有多酚有机物质如鞣酸和阴离子聚合物的水处理化学品加入到客观水系。解决方案：在这种测量阴离子聚合物浓度的方法中，将一部分水从加入水处理化学品的目标水体系中收集出来，作为水样本，能够氧化分解的氧化剂预先加入多酚有机物质以氧化多酚有机物质，然后加入与阴离子聚合物反应产生白色混浊物的试剂，并用浊度法测量产生的白色浊度。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2013194256A Corrosion prevention method 有权
标题翻译：腐蚀预防方法
公开(公告)号：JP2013194256A
公开(公告)日：2013-09-30
申请号：JP2012060497
申请日：2012-03-16
申请人： Kurita Water Ind Ltd , 栗田工業株式会社
发明人： SAKAI MIZUYUKI , ENDO MASARU , SHIMURA KOSUKE
IPC分类号： C23F11/12 , C23F11/18 , F22B37/52 , F22D11/00
摘要： PROBLEM TO BE SOLVED: To provide a method for preventing corrosion of an economizer of a boiler having an economizer made of steel, by which the corrosiveness of piping where a chemical is added is particularly kept low; the occurrence of a slime is prevented; and the corrosion of the economizer is effectively prevented.SOLUTION: In a method for preventing corrosion of an economizer of a boiler including at least an economizer made of steel and a water supply system having a water supply piping for supplying water to the economizer, at least one of deoxidizers selected from erythorbic acid, ascorbic acid, and a salt thereof is added to the water to be supplied having a temperature of 55°C or more from the water supply piping arranged on the upstream side relative to a water feeding pump installed in the water supply system.
摘要翻译：要解决的问题：提供一种防止具有由钢制节能器的锅炉的节能器的腐蚀的方法，通过该方法，添加化学品的管道的腐蚀性特别地保持较低; 防止发生粘液; 并且有效地防止了节能器的腐蚀。解决方案：在一种用于防止包括至少一个由钢制成的节能器的锅炉的节能器的腐蚀的方法中，以及具有用于向节能器供水的供水管道的供水系统，将从异抗坏血酸，抗坏血酸及其盐中选择的脱氧剂中的至少一种从设置在上游侧的供水管相对于安装的供水泵中添加到温度为55℃以上的供给水中在供水系统中。

7. 发明专利

JP2012193434A Water treatment method of steam generation device 有权
标题翻译：蒸汽发生装置的水处理方法
公开(公告)号：JP2012193434A
公开(公告)日：2012-10-11
申请号：JP2011059577
申请日：2011-03-17
申请人： Kurita Water Ind Ltd , 栗田工業株式会社
发明人： SHIMURA KOSUKE , ENDO MASARU , SAKAI MIZUYUKI
IPC分类号： C23F14/02
摘要： PROBLEM TO BE SOLVED: To provide a water treatment method of a steam generation device which can suppress corrosion of an economizer made of a steel and a steam condensate system as well as evaporation pipes of a steam generator for generating steam and the inside of can body of a boiler.SOLUTION: The steam generation device 10 uses softened water as feed water and includes the economizer 8 which heats the feed water by the exhaust gas after heating the evaporation pipes. In the steam generation device 10, dissolved oxygen in the water in a water tank 1 is reduced to 2 mg/L or below by an oxygen reduction equipment 4 for reducing the dissolved oxygen in the water by replacing with nitrogen. Moreover, alkaline chemicals are added in the water tank 1 or to the feed water line between the water tank 1 and the economizer 8, in order to enhance a pH value to 9 or more of the feed water supplied to the economizer 8. Furthermore, deoxidizer is added to the feed water line between the water tank 1 and the economizer 8.
摘要翻译：解决的问题：提供一种蒸汽发生装置的水处理方法，其可以抑制由钢和蒸汽冷凝物系统制成的节能器的腐蚀以及用于产生蒸汽的蒸汽发生器的蒸发管和内部的罐体。蒸汽发生装置10使用软化水作为给水，并且包括在加热蒸发管之后通过排气加热给水的节能器8。在蒸汽发生装置10中，通过氧还原装置4将水箱1内的水中的溶解氧降低至2mg / L以下，通过用氮代替氮气来还原水中的溶解氧。此外，为了将供给到节能器8的供给水的pH值提高到9以上，将碱性化学物质添加到水箱1中或水箱1和节能器8之间的给水管线。此外，脱水器被添加到水箱1和节能器8之间的给水管线上。版权所有：（C）2013，JPO＆INPIT

8. 发明专利

JP2008221143A Magnesium based scale preventive 有权
标题翻译：基于MAGNESIUM的预防规模
公开(公告)号：JP2008221143A
公开(公告)日：2008-09-25
申请号：JP2007063687
申请日：2007-03-13
申请人： Kurita Water Ind Ltd , 栗田工業株式会社
发明人： ENDO MASARU , UCHIDA KAZUYOSHI
IPC分类号： C02F5/10 , B01F17/52 , F28F19/01
摘要： PROBLEM TO BE SOLVED: To provide a magnesium based scale preventive which effectively suppresses magnesium based scale such as magnesium silicate in a boiler system for soft water supply to which sufficient and secure effect has not been attained with the conventional sale preventive, and makes the operation of a boiler safe and efficient.
SOLUTION: The magnesium based scale preventive used in a boiler water system for soft water supply comprises: a dispersant; and a chelating agent. As the dispersant, one or more kinds selected from the group consisting of polyacrylic acid and/or the salt thereof and a copolymer of acrylic acid and 2-acrylamido-2-methylpropane sulfonic acid and/or the salt thereof are preferably used, and, as the chelating agent, ethylene diamine tetraacetic acid and/or the salt thereof is preferably used.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：待解决的问题：提供一种在规定的销售预防措施中不能达到充分且可靠的效果的软水供应的锅炉系统中有效抑制镁等氧化镁等氧化镁等氧化皮的氧化镁防垢剂，以及使锅炉的运行安全高效。
解决方案：用于软水供应的锅炉水系统中使用的镁基防垢剂包括：分散剂; 和螯合剂。作为分散剂，优选使用选自聚丙烯酸和/或其盐中的一种或多种，丙烯酸和2-丙烯酰胺基-2-甲基丙磺酸和/或其盐的共聚物，作为螯合剂，优选使用乙二胺四乙酸和/或其盐。版权所有（C）2008，JPO＆INPIT

9. 发明专利

JP2015013252A 鉄スケール防止剤及びこれを用いた蒸気発生設備の鉄スケール防止方法有权
标题翻译：铁规防护剂及其使用相同的蒸汽发生装置中防止铁规的方法
公开(公告)号：JP2015013252A
公开(公告)日：2015-01-22
申请号：JP2013140930
申请日：2013-07-04
申请人：栗田工業株式会社 , Kurita Water Ind Ltd
发明人： ENDO MASARU , SHIMURA KOSUKE
IPC分类号： C02F5/10 , C02F5/00 , F22B37/52 , F22B37/56
CPC分类号： F22B37/52 , C02F2103/02 , C02F2303/22 , F22B37/56
摘要：【課題】高温部における鋼材への腐食性が低く、高温条件で高い熱安定性を有し、蒸気発生設備の鉄スケールを防止する鉄スケール防止剤を提供する。【解決手段】ポリメタクリル酸及び/又はその塩と、アクリル酸/2−アクリルアミド−2−メチルプロパンスルホン酸共重合体及び/又はその塩とを含有するように鉄スケール防止剤を構成する。好ましくは、前記ポリメタクリル酸及び/又はその塩と、前記共重合体及び/又はその塩とを、1:1〜10:1の質量比で含有するように鉄スケール防止剤を構成する。【選択図】なし
摘要翻译：要解决的问题：提供一种对高温部分的钢具有低腐蚀性的铁垢防止剂，在高温条件下具有高的热稳定性，并防止蒸汽发生设备中的铁垢。解决方案：防铁剂是包括聚甲基丙烯酸和/或其盐和丙烯酸/ 2-丙烯酰胺-2-甲基丙磺酸共聚物和/或其盐。优选地，铁垢防止剂包含聚甲基丙烯酸和/或其盐，共聚物和/或其盐的质量比为1:1至10:1。

10. 发明专利

JP2013067830A Corrosion inhibit method of economizer in boiler 有权
标题翻译：锅炉经济型腐蚀抑制方法
公开(公告)号：JP2013067830A
公开(公告)日：2013-04-18
申请号：JP2011205993
申请日：2011-09-21
申请人： Kurita Water Ind Ltd , 栗田工業株式会社
发明人： ENDO MASARU , SAKAI MIZUYUKI
IPC分类号： C23F15/00 , C23F11/12 , F22B37/56
摘要： PROBLEM TO BE SOLVED: To provide a corrosion inhibit method of an economizer, in which an anticorrosive effect is exerted in the economizer that is not an enriching part, such as in a boiler can, but a non-enriching part.SOLUTION: In the corrosion inhibit method of the economizer in a boiler, the boiler includes: the economizer for heating water supply with a flue gas; a bypass line in which the water supply bypasses without passing through the economizer; and a valve for discharging water in a heat transfer tube in the economizer. In addition, the corrosion inhibit method of the economizer includes: a step A of temporarily passing the water supply through the bypass line and opening the valve to discharge water from the heat transfer tube in the economizer; and a step B of heating the heat transfer tube from which water is discharged with the flue gas from the outside of the heat transfer tube to evaporate moisture remaining the inside and form an oxide film on the inside of the heat transfer tube.
摘要翻译：要解决的问题：提供一种节能器的腐蚀抑制方法，其中在不是富集部分的节能器中，例如在锅炉罐中，但是不富集部分施加防锈效果。
解决方案：在锅炉节能器的防腐蚀方法中，锅炉包括：用于用烟气加热供水的节能器; 旁通管线，其中供水绕过而不经过节能器; 以及用于在节能器中的传热管中排出水的阀。此外，节能器的防腐蚀方法包括：暂时通过旁通管线供水并打开阀门以从节能器中的传热管排出水的步骤A; 以及从传热管的外部加热与烟道气排出水的传热管的蒸发器，蒸发残留在内部的水分，并在传热管的内部形成氧化膜。版权所有（C）2013，JPO＆INPIT

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