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51. 发明专利

JP2013086029A Method of preventing formation of iron scale in water-side can of steam generator 有权
标题翻译：防止蒸汽发生器水位罐内铁质量形成的方法
公开(公告)号：JP2013086029A
公开(公告)日：2013-05-13
申请号：JP2011229124
申请日：2011-10-18
申请人： Kurita Water Ind Ltd , 栗田工業株式会社
发明人： YAMADA MANABU , SHIMURA KOSUKE
IPC分类号： C02F5/08 , C02F5/00 , C02F5/10 , F22B37/52
CPC分类号： C02F5/105 , C02F5/06 , C02F2101/203 , C02F2103/02 , C02F2303/22 , F22D11/006
摘要： PROBLEM TO BE SOLVED: To provide a method of preventing formation of iron scale in the water-side can of boilers which prevents energy loss due to adhesion of iron carried through water supply to the heat transfer surface, enables high-concentration operation with blow water reduced and attempts reduction of the energy cost by recovering thermal energy through recovery of iron-containing drain.SOLUTION: The method of preventing formation of iron scale in the water-side can of a steam generator of a boiler and/or other steam generating equipment includes adding a calcium ion forming agent and a water-soluble polymer having carboxyl groups.
摘要翻译：要解决的问题：为了提供一种防止在锅炉的水侧罐中形成铁垢的方法，其防止由于通过供水输送到传热表面的铁的粘附而导致的能量损失，从而能够进行高浓度操作通过回收含铁排水回收热能，减少了吹入水并尝试降低能源成本。解决方案：在锅炉和/或其它蒸汽发生设备的蒸汽发生器的水侧罐中防止形成铁垢的方法包括加入钙离子形成剂和具有羧基的水溶性聚合物。版权所有（C）2013，JPO＆INPIT

52. 发明专利

JP2013068341A Method for preventing corrosion of economizer in boiler 审中-公开
标题翻译：防止锅炉经济腐蚀的方法
公开(公告)号：JP2013068341A
公开(公告)日：2013-04-18
申请号：JP2011205995
申请日：2011-09-21
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： F22B37/56 , C23F11/06 , C23F11/12 , C23F15/00 , F22D11/00
摘要： PROBLEM TO BE SOLVED: To provide a method for effectively preventing corrosion of an economizer in a boiler having the economizer using exhaust gas heat of the boiler for boiler feed-water.SOLUTION: The method for preventing corrosion of an economizer using the exhaust gas heat of the boiler for heating boiler feed-water includes continuously passing water to the economizer by continuously operating a feed-water pump for feeding water to the boiler.
摘要翻译：要解决的问题：提供一种用于有效防止在节能器中使用锅炉给水的锅炉的排气热的锅炉中的节能器的腐蚀的方法。解决方案：使用锅炉用于加热锅炉给水的废气热量的节能器的腐蚀的方法包括通过连续地操作用于向锅炉供水的给水泵来连续地将水通向节能器。版权所有（C）2013，JPO＆INPIT

53. 发明专利

JP2013019042A Method for preventing corrosion in steam condensation system, and corrosion inhibitor used for the method 审中-公开
标题翻译：用于防止蒸汽冷凝系统中的腐蚀的方法和用于该方法的腐蚀抑制剂
公开(公告)号：JP2013019042A
公开(公告)日：2013-01-31
申请号：JP2011155683
申请日：2011-07-14
申请人： Kurita Water Ind Ltd , 栗田工業株式会社
发明人： SHIMURA KOSUKE , MORI SHINTARO
IPC分类号： C23F11/12 , B01F17/00 , F22B37/56
摘要： PROBLEM TO BE SOLVED: To provide a method and a corrosion inhibitor for preventing corrosion in a steam condensation system, in which a clogging trouble does not occur in piping with a dead end, and a chemical agent with low concentration exhibits an anticorrosive effect to both a steel material and a copper material of the steam condensation system even if carbon dioxide and oxygen are present in steam.SOLUTION: (1) The method for preventing corrosion in the steam condensation system includes adding an emulsion obtained by emulsifying oil and fat to steam or condensed water in a boiler and/or other steam-generating plants. (2) The corrosion inhibitor for a steam condensation system in a boiler and/or other steam-generating plants is an emulsion obtained by emulsifying oil and fat.
摘要翻译：要解决的问题：提供一种用于防止蒸汽冷凝系统中的腐蚀的方法和防腐剂，其中在具有死端的管道中不发生堵塞故障，并且具有低浓度的化学试剂表现出防腐蚀性即使在蒸汽中存在二氧化碳和氧气也对蒸汽冷凝系统的钢材料和铜材料都有影响。（1）防蒸汽冷凝系统中的腐蚀的方法包括在锅炉和/或其他蒸汽发生设备中加入通过将油脂乳化成蒸汽或冷凝水而获得的乳液。（2）锅炉和/或其他蒸汽发生设备中的蒸汽冷凝系统的防腐蚀剂是通过乳化油和脂肪获得的乳液。版权所有（C）2013，JPO＆INPIT

54. 发明专利

JP2012188682A Boiler water treatment agent and water treatment method for boiler 有权
标题翻译：锅炉水处理剂和水处理方法
公开(公告)号：JP2012188682A
公开(公告)日：2012-10-04
申请号：JP2011050837
申请日：2011-03-08
申请人： Kurita Water Ind Ltd , 栗田工業株式会社
发明人： MORI SHINTARO , SHIMURA KOSUKE
IPC分类号： C23F11/14
摘要： PROBLEM TO BE SOLVED: To provide a boiler water treatment agent for a pure water supply boiler and a water treatment method for a boiler, which achieve the sufficient corrosion inhibition in a steam generator even in any stage of ordinary water treatment, water filling to the start of an operation, the stop of the operation while retaining operating water after the stop of the operation in a boiler can, or the like, respectively.SOLUTION: (1) The water treatment agent is used for a boiler in which the electrical conductivity of makeup water is ≤1 mS/m, and the boiler water treatment agent includes diol amines. (2) The water treatment method for a boiler is characterized in that, in a water treatment method for a boiler in which the electrical conductivity of makeup water is ≤1 mS/m, diol amines are allowed to exist in the boiler can.
摘要翻译：要解决的问题：为了提供纯水供应锅炉的锅炉水处理剂和锅炉的水处理方法，即使在普通水处理的任何阶段也能在蒸汽发生器中实现足够的腐蚀抑制，水填充到操作开始时，分别在锅炉罐中停止操作之后停止操作，同时保持操作水等。 <1>解决方案：（1）水处理剂用于补水补水≤1mS/ m的锅炉，锅炉水处理剂包括二醇胺。（2）一种锅炉的水处理方法，其特征在于，在配水的导电率≤1mS/ m的锅炉的水处理方法中，允许二醇胺存在于锅炉罐中。版权所有（C）2013，JPO＆INPIT

55. 发明专利

JP2012184466A Method for preventing corrosion in boiler water supply system and boiler 审中-公开
标题翻译：锅炉供水系统和锅炉中防腐蚀的方法
公开(公告)号：JP2012184466A
公开(公告)日：2012-09-27
申请号：JP2011047756
申请日：2011-03-04
申请人： Kurita Water Ind Ltd , 栗田工業株式会社
发明人： ENDO MASARU , SAKAI MIZUYUKI , SHIMURA KOSUKE
IPC分类号： C23F11/12 , C23F11/173 , C23F11/18
摘要： PROBLEM TO BE SOLVED: To provide a method of preventing corrosion, which exhibits a corrosion preventing effect not only for a condensed portion such as the inside of a boiler but also for a non-condensed portion such as water supply pipelines and an economizer, and enables economical operation in which increase of electric conductivity is suppressed.SOLUTION: The method for preventing corrosion in a boiler water supply system and a boiler includes: adding Znand citric acid or a salt thereof to boiler supply water.
摘要翻译：要解决的问题：提供一种防止腐蚀的方法，其不仅对于诸如锅炉内部的冷凝部分，而且对于诸如供水管线的非冷凝部分和节能器，能够抑制导电性提高的经济运行。解决方案：锅炉供水系统和锅炉中防腐蚀的方法包括：向锅炉供水中加入Zn 2 + 和柠檬酸或其盐。版权所有（C）2012，JPO＆INPIT

56. 发明专利

JP2012184465A Method for preventing corrosion in boiler water supply system and boiler 审中-公开
标题翻译：锅炉供水系统和锅炉中防腐蚀的方法
公开(公告)号：JP2012184465A
公开(公告)日：2012-09-27
申请号：JP2011047752
申请日：2011-03-04
申请人： Kurita Water Ind Ltd , 栗田工業株式会社
发明人： ENDO MASARU , SAKAI MIZUYUKI , SHIMURA KOSUKE
IPC分类号： C23F11/06
摘要： PROBLEM TO BE SOLVED: To provide a method for preventing corrosion, which exhibits a corrosion preventing effect not only for a condensed portion such as the inside of a boiler but also for a non-condensed portion such as water supply pipelines and an economizer, and enables economical operation in which increase of electric conductivity is suppressed.SOLUTION: The method for preventing corrosion in a boiler water supply system and a boiler includes: adding citric acid and/or a salt thereof to boiler supply water at a citric acid concentration of 25 to 75 mg/L and in a pH range of the boiler supply water of 8.0 to 9.5, and simultaneously adding a water soluble homopolymer and/or copolymer having a carboxy group.
摘要翻译：要解决的问题：提供一种防止腐蚀的方法，其不仅对于诸如锅炉内部的冷凝部分而且对于诸如供水管线的非冷凝部分和节能器，能够抑制导电性提高的经济运行。解决方案：用于防止锅炉给水系统和锅炉中的腐蚀的方法包括：将柠檬酸和/或其盐加入到柠檬酸浓度为25至75mg / L和pH为1.75的锅炉供水中锅炉供水范围为8.0〜9.5，同时加入具有羧基的水溶性均聚物和/或共聚物。版权所有（C）2012，JPO＆INPIT

57. 发明专利

JP2011245472A Device and method for nitrogen substitution type deoxygenation 有权
标题翻译：氮替代型脱氧酶的装置和方法
公开(公告)号：JP2011245472A
公开(公告)日：2011-12-08
申请号：JP2010238375
申请日：2010-10-25
申请人： Kurita Water Ind Ltd , 栗田工業株式会社
发明人： SHIMURA KOSUKE , TAKAHASHI JUNICHI
IPC分类号： C02F1/20 , B01D19/00 , F22D11/00
摘要： PROBLEM TO BE SOLVED: To provide a new technique capable of achieving miniaturization of a nitrogen substitution type deoxygenation device and also of efficiently, stably obtaining a deoxygenated water.SOLUTION: There is provided a deoxygenation device for reducing the dissolved oxygen in water by replacing the dissolved oxygen in water with nitrogen. The device includes at least: a water circulation unit for circulating the water stored in the tank in the deoxygenation device; a nitrogen gas injection part for injecting the nitrogen gas into the water; a nitrogen gas mixing part for mixing the nitrogen gas in the water; and a flow adjuster, provided between the nitrogen gas injection part and the tank, for adjusting the flow of a circulating water. The pressure of the outlet of the water circulation unit is controlled by the flow adjuster so as to be 0.1-0.6 MPa.
摘要翻译：要解决的问题：提供能够实现氮取代型脱氧装置的小型化以及有效地稳定地获得脱氧水的新技术。解决方案：通过用氮气替代水中的溶解氧，提供了用于还原水中溶解氧的脱氧装置。该装置至少包括：用于使存储在罐中的水循环在脱氧装置中的水循环单元; 用于将氮气注入水中的氮气注入部，用于将氮气混合在水中的氮气混合部件; 以及设置在氮气注入部和罐之间的流量调节器，用于调节循环水的流量。水循环装置的出口的压力由流量调节器控制为0.1-0.6MPa。版权所有（C）2012，JPO＆INPIT

58. 发明专利

JP2011012921A Method of improving heat transfer efficiency of steam dryer 有权
标题翻译：提高蒸汽干燥机传热效率的方法
公开(公告)号：JP2011012921A
公开(公告)日：2011-01-20
申请号：JP2009158964
申请日：2009-07-03
申请人： Kurita Water Ind Ltd , 栗田工業株式会社
发明人： SATO TAKATOSHI , SHIMURA KOSUKE
IPC分类号： F26B13/18 , D21F5/10
摘要： PROBLEM TO BE SOLVED: To suppress lift of a water film by including a contact angle increasing agent for increasing a contact angle between a drum inner peripheral face and water in condensed water within a drum, increasing a contact area between the drum inner peripheral face and steam, and thus, improving heat transfer efficiency of a steam dryer.SOLUTION: In this method of improving heat transfer efficiency of the steam dryer, the contact angle increasing agent for increasing the contact angle between the drum inner peripheral face and water is included in water present within the drum of the steam dryer. Long-chain aliphatic series are suitable for the contact angle increasing agent. When steam is supplied from boilers 5 to the drum 11 to dry wet paper, long-chain aliphatic amine is emulsified by fat acid alkali metal salt, and is added to boiler supply water by piping 3 or added to steam generated by a steam header 7.
摘要翻译：要解决的问题：为了通过包括用于增加滚筒内周面和滚筒内的冷凝水中的水的接触角的接触角增加剂来抑制水膜的升高，增加滚筒内周面与滚筒内周面之间的接触面积蒸汽，从而提高蒸汽干燥器的传热效率。解决方案：在这种提高蒸汽干燥器传热效率的方法中，用于增加鼓内周面和水之间的接触角的接触角增加剂包括在存在于蒸汽干燥器的滚筒内的水。长链脂肪族系列适用于接触角增加剂。当蒸汽从锅炉5供应到滚筒11以干湿纸时，长链脂肪族胺被脂肪酸碱金属盐乳化，并通过管道3添加到锅炉供水中或加入到由蒸汽集管7产生的蒸汽中。

59. 发明专利

JP2010236034A Corrosion prevention method for boiler in rest condition and anticorrosive for boiler in rest condition 有权
标题翻译：锅炉在休眠条件下的腐蚀预防方法和锅炉在休眠条件下的抗腐蚀
公开(公告)号：JP2010236034A
公开(公告)日：2010-10-21
申请号：JP2009086026
申请日：2009-03-31
申请人： Kurita Water Ind Ltd , 栗田工業株式会社
发明人： SATO TAKATOSHI , TAKAHASHI JUNICHI , SHIMURA KOSUKE
IPC分类号： C23F11/14 , F22B37/00 , F22B37/56
摘要： PROBLEM TO BE SOLVED: To provide a corrosion prevention method for a boiler in a rest condition, the method using an amine which has high safeness and is easily handled, exhibiting a high corrosion prevention effect, capable of reducing a burden in waste water treatment, and hardly inducing abnormal proliferation of algae resulting from eutrophication in a river, ocean or the like, and to provide an anticorrosive for a boiler in a rest condition.
SOLUTION: A boiler in a rest condition is conserved as in contact with a solution containing methoxypropyl amine, which has high safeness and is easily handled. The anticorrosive for a boiler in a rest condition contains methoxypropyl amine.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种在休息状态下的锅炉的防腐蚀方法，使用具有高安全性并易于处理并具有高防腐蚀效果的胺的方法，能够减少废物的负担水处理，并且几乎不引起由河流，海洋等中的富营养化引起的藻类的异常增殖，并且在休眠状态下为锅炉提供防腐蚀。解决方案：与含有甲氧基丙胺的溶液接触的保持条件的锅炉是保守的，其具有高的安全性并且易于处理。在休息状态下的锅炉的防锈剂含有甲氧基丙胺。版权所有（C）2011，JPO＆INPIT

60. 发明专利

JP2010168619A Boiler water treatment agent and method of water treatment 有权
标题翻译：锅炉水处理剂和水处理方法
公开(公告)号：JP2010168619A
公开(公告)日：2010-08-05
申请号：JP2009011738
申请日：2009-01-22
申请人： Kurita Water Ind Ltd , 栗田工業株式会社
发明人： SHIMURA KOSUKE , NAKAMURA MARIKO
IPC分类号： C23F14/02 , C02F5/10 , F22B37/52
摘要： PROBLEM TO BE SOLVED: To provide a boiler water treatment agent to generate excellent stability under storage or circulation and to be excellent in corrosion protection performance in a boiler water system, even if heat-treatment under high temperature is not necessarily performed during preparation. SOLUTION: The boiler water treatment agent contains (a) at least one of deoxidizers selected from the group consisting of erythorbic acid, ascorbic acid, and salts thereof, (b) a basic potassium compound, and (c) a polymer having an acid group, in which content of the ingredient (a) is ≥5 mass%, and content of water is ≥60 mass%. COPYRIGHT: (C)2010,JPO&INPIT

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