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公开(公告)号：EP3115343A4
公开(公告)日：2017-08-02
申请号：EP14884505
申请日：2014-08-29
发明人： KAWASHIMA AYA , NODA SEIJI , IIJIMA SHIGERU , FURUKAWA SEIJI , MIYA KAZUHIRO , SUZUKI KAZUTAKA , MINAMISAKO HIROKAZU
CPC分类号： F24D19/0092 , C02F1/001 , C02F1/02 , C02F1/28 , C02F5/00 , C02F5/02 , C02F2001/5218 , C02F2103/02 , C02F2303/22 , F24D17/02
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2.发明公开ANTICORROSIVE PERFORMANCE DETERIORATION DETECTION SENSOR, AND HOT-WATER SUPPLY AND HEATING SYSTEM PROVIDED WITH SAME 有权传感器检测退化防腐性能和HEISSWASSERZUFUHR-及采暖系统作者：THAT
公开(公告)号：EP2894466A4
公开(公告)日：2016-04-27
申请号：EP13835056
申请日：2013-09-09
CPC分类号： F24D19/0092 , G01N17/02
摘要： A corrosion resistance degradation sensor includes a conductive pipe having its inner surface covered with an anticorrosive coating, an electrode placed within a pipe line defined by the conductive pipe such that the electrode is in contact with a pipe line liquid and kept insulated from the conductive pipe, a resistor having its one end connected to the outer surface of the pipe, and an AC power supply having its one terminal connected to a terminal leading from the pipe, and its other terminal connected to a terminal leading from the electrode and the resistor. While preventing damage to the anticorrosive coating and the progress of corrosion of this coating due to factors associated with measurement, the sensor accurately removes the influence of the external environment, and accurately detects degradation of the anticorrosive coating based on a change in frequency dependence of impedance because the current flow path shifts due to degradation of the anticorrosive coating.
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3.发明公开CORROSION PREVENTION PERFORMANCE DEGRADATION DETECTION SENSOR, HOT-WATER SUPPLY HEATING SYSTEM, AND EQUIPMENT 有权传感器检测腐蚀保护，供暖用热水供应及其装置的性能下降
公开(公告)号：EP2775297A4
公开(公告)日：2015-06-17
申请号：EP12844952
申请日：2012-04-05
IPC分类号： G01N27/00 , C02F1/68 , C23F11/00 , C23F11/08 , C23F11/14 , C23F11/18 , F24D3/00 , F24H1/00 , F24H1/10 , F24H9/00 , G01N17/02 , G01N17/04 , G01N27/02 , G01N27/26
CPC分类号： G01N17/02 , C02F1/686 , C02F2209/00 , C02F2303/08 , C23F11/00 , C23F11/08 , C23F11/18 , F24D19/0092 , F24H1/106 , F24H9/0047 , G01N17/04 , Y10T137/85986
摘要： A corrosion protection performance degradation detection sensor (7) detects a change in concentration of a corrosion inhibitor, which inhibits corrosion of a corrosion protection object material, added and contained in a solvent. The corrosion protection performance degradation detection sensor (7) includes a detection electrode (1) that reacts with the corrosion inhibitor dissolved in the solvent and forms on a surface thereof an electrode surface film which inhibits corrosion, a counter electrode (2) that is disposed so as to face the detection electrode (1) with a predetermined distance therebetween, and an AC power supply (3) that applies an AC voltage with a predetermined frequency and a predetermined voltage between the detection electrode (1) and the counter electrode (2). A change in concentration of the corrosion inhibitor in the solvent is detected, on the basis of a change in impedance of the electrode surface film formed on the surface of the detection electrode (1) at the time when the AC voltage with the predetermined frequency and the predetermined voltage is applied between the detection electrode 1 and the counter electrode (2).
摘要翻译： 所述的防腐性能退化检测传感器（7）检测在腐蚀抑制剂，其抑制防腐蚀材料对象的腐蚀的浓度的变化，添加和包含在溶剂中。 腐蚀防护性能退化检测传感器（7）包括一个检测电极（1）那样发生反应以在所述溶剂中和形式溶解在其表面上的电极表面的薄膜株抗腐蚀，对电极的腐蚀抑制剂（2）没有被设置 从而面对以预定的距离在其间的检测电极（1），和以AC电源（3）做了适用于AC电压以预定频率和所述检测电极之间的预定电压（1）和对向电极（2 ）。 当检测到在溶剂中的腐蚀抑制剂的浓度的变化，在电极表面上时的检测电极（1）的表面上成膜的阻抗的变化的基础上，当交流电压与所述预定频率和 该预定电压是所述检测电极1和对电极（2）之间施加。
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公开(公告)号：EP2696160A4
公开(公告)日：2015-05-20
申请号：EP11862970
申请日：2011-04-01
发明人： FURUKAWA SEIJI , MIYA KAZUHIRO , KAMIYA TOSHIYUKI , SAITO TADASHI
CPC分类号： F28G7/00 , F24D19/0092 , F24H9/2021 , F28D9/00 , F28D20/0034 , F28F19/00 , Y02E60/142
摘要： There is provided a water heater in which scale adhesion to the inner wall of a liquid to-be-heated flowing channel in a heat exchanger that constitutes the water heater is reduced, and lowering of heat transfer performance and obstruction of the flow channel due to the scale adhesion is reduced. By applying pulsation of a liquid to be heated which circulates between a tank (1) and a heat exchanger (3), scale that has been deposited on the inner wall (heat-transfer surface) of a liquid to-be-heated flow channel (31) in a heat exchanger (3) is detached, and the number of times of circulation of the liquid to be heated which circulates between the tank and the heat exchanger is controlled to be three times or less. A distribution control unit (101) pulsates the to-be heated liquid that passes through the liquid to-be-heated flow channel (31) of the heat exchanger (31), and also controls a flow rate of the liquid to-be-heated which passes through the liquid to-be-heated flow channel (31) so that the number of times of circulation indicating the number of times at which the entire volume of the liquid to-be-heated stored in the tank (1) passes through the heat exchanger (3) is three times or less. The number of times of circulation is determined, based on the entire volume of the liquid to-be-heated stored in the tank (1), a boiling time to be taken for the entire volume of the liquid to-be-heated in the tank (1) to reach a predetermined temperature, and the flow rate of the liquid to-be-heated which passes through the liquid to-be-heated flow channel (31).
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5.发明公开CORROSION-PREVENTION-PERFORMANCE DEGRADATION DETECTION SENSOR, HOT WATER SUPPLY AND HEATING SYSTEM, AND FACILITY EQUIPMENT 审中-公开传感器防腐蚀保护，WARMWASSERZUFUHR-的性能下降检测和供热体制和制度，
公开(公告)号：EP3032245A4
公开(公告)日：2017-02-22
申请号：EP14834586
申请日：2014-02-13
IPC分类号： G01N17/02
CPC分类号： G01N17/02 , C02F2303/08 , C02F2307/14
摘要： An anticorrosion performance degradation detection sensor (10) for detecting inclusion of a corrosive factor in a solvent to which a corrosion inhibitor for inhibiting corrosion of an anticorrosion target material is added includes a detection electrode (1), a counter electrode (2), and a power supply (4). The detection electrode (1) reacts with a corrosion inhibitor dissolved in the solvent to form on a surface thereof an electrode surface coating that inhibits corrosion. The counter electrode (2) is disposed to face the detection electrode (1) with a predetermined distance therebetween. The power supply (4) applies an AC voltage with a predetermined frequency between the detection electrode (1) and the counter electrode (2), and performs a voltage operation that promotes decomposition and reformation of the electrode surface coating. The detection electrode (1) detects inclusion of the corrosive factor in the solvent based on a change in an impedance response by the applied AC voltage with the predetermined frequency before and after the voltage operation that promotes decomposition and reformation of the electrode surface coating.
摘要翻译： 对于在溶剂中以哪个检测包含腐蚀性因子的防腐性能退化检测传感器（10）腐蚀抑制剂用于抑制防腐蚀靶材料的腐蚀中加入包括检测电极（1），对电极（2），和 电源（4）。 检测电极（1）与在溶剂中溶解的腐蚀抑制剂反应形成在其表面上的电极的表面涂层确实抑制腐蚀。 对置电极（2）被布置在其间具有预定距离有面对所述检测电极（1）。 所述电源（4）适用于AC电压与所述检测电极（1）和对向电极（2）之间的预定的频率，并执行电压手术确实促进电极表面涂层的分解和改造。 检测电极（1）检测夹杂物的腐蚀因子的基于在之前和之后的电压手术确实响应通过与预定频率施加的交流电压的阻抗变化的溶剂促进电极表面涂层的分解和改造。
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公开(公告)号：EP2397789A4
公开(公告)日：2013-10-30
申请号：EP10741132
申请日：2010-01-15
发明人： FURUKAWA SEIJI , NODA SEIJI , KAMIYA TOSHIYUKI , SAITO TADASHI , HIRASHIKI ISAMU
CPC分类号： F24D19/0092 , C02F1/008 , C02F1/4602 , C02F1/74 , C02F2201/46115 , C02F2201/4613 , C02F2201/46145 , C02F2201/4619 , F24H1/106
摘要： Provided are a scale deposition device and water heater using such a scale deposition device which allow efficient deposition of a scale component dissolved in water so as to reduce adhesion of the scale to a heat-transfer channel. The water heater comprises: a scale deposition device including a tank, scale deposition means including an anode and a cathode provided in the tank so as to be opposed to each other, and a first power supply for applying a voltage between the anode and the cathode, the scale deposition means depositing a scale component dissolved in water retained in the tank; a heat-transfer channel provided at downstream of the scale deposition means, for guiding the water; and a heat source for heating the water by heat exchange in the heat-transfer channel, in which the scale deposition means includes oxygen-gas supplying/dissolving means for supplying an oxygen gas to a water feed pipe for feeding the water to the tank and dissolving the oxygen gas in the water.
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7.发明公开METHOD FOR CHECKING WATER QUALITY, WATER QUALITY CHECKING DEVICE, AND HOT-WATER FEEDER SYSTEM 有权程序对水质，设备进行检测水质和热水供应系统
公开(公告)号：EP2980584A4
公开(公告)日：2016-11-02
申请号：EP13879951
申请日：2013-12-18
发明人： NODA SEIJI , MIYA KAZUHIRO , FURUKAWA SEIJI , SUZUKI KAZUTAKA , AOYAGI YOSHIRO , INABA YOSHITSUGU , IIJIMA SHIGERU
CPC分类号： G01N33/1853 , F24D17/02 , F24D19/0092 , F24H4/04
摘要： A method for checking a water quality is carried out by a water quality checking device 100 that checks water quality of water flowing through a heat exchanger. In a first process, in a solution, respective values of a calcium ion concentration, a carbonate ion concentration, a hydrogen ion concentration, a water temperature, and a concentration of dissolved ion that reacts with calcium ion, and that produces salt with low solubility are measured. In a second process, based on the measured values of the calcium ion concentration, the carbonate ion concentration, the hydrogen ion concentration and the water temperature, a supersaturation coefficient of calcium carbonate in the solution is calculated. In a third process, by applying the measured concentration value of the dissolved ion that reacts with calcium ion and that produces salt with low solubility, a modified supersaturation coefficient that is corrected from the supersaturation coefficient is calculated. In a fourth process, the water quality is determined based on the modified supersaturation coefficient that has been calculated.
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公开(公告)号：EP2796806A4
公开(公告)日：2015-11-18
申请号：EP12860174
申请日：2012-12-05
发明人： NODA SEIJI , FURUKAWA SEIJI
CPC分类号： C02F1/281 , C02F1/5236 , C02F2303/22 , F24D19/0092 , F28F19/01
摘要： A hot-water supply device (1) includes a heat exchanger (4) that performs heat exchange, a hot-water supply tank (3), a delivery piping that delivers hot water from the hot-water supply tank (3) to the heat exchanger (4), a return piping that feeds the hot water from the heat exchanger (4) to the hot-water supply tank (3), and a scale adhering material (10). The scale adhering material (10) is disposed in a channel of the hot water including the hot-water supply tank (3), the delivery piping, the heat exchanger (4), and/or the return piping. When an area of an aperture (13) of the scale adhering material (10) is S, and an outer circumference is P, a representative length L of the aperture (13) defined as L = 4S/P is equal to or greater than 1.0 mm and equal to or smaller than 20 mm.
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公开(公告)号：EP2724989A4
公开(公告)日：2014-12-03
申请号：EP11868122
申请日：2011-06-24
发明人： KAMIYA TOSHIYUKI , SAITO TADASHI , MIYA KAZUHIRO , FURUKAWA SEIJI
CPC分类号： C02F5/02 , C02F1/001 , C02F1/02 , C02F2303/16 , C02F2303/22 , F24D19/0092 , F28D20/0034 , F28F19/00 , Y02E60/142
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