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1. 发明公开

EP1030128A4 CATALYTIC COMBUSTION HEATER 有权
标题翻译：催化燃烧加热器
公开(公告)号：EP1030128A4
公开(公告)日：2001-01-31
申请号：EP98947911
申请日：1998-10-16
申请人： TOYOTA MOTOR CO LTD
发明人： YAMADA TOMOJI , HIROSE SHOJI , INAGAKI MITSUO , OGINO SHIGERU
IPC分类号： F23C13/00 , F24H1/00 , F24H1/14 , F23D14/18
CPC分类号： F23C13/00 , F23N2025/10 , F23N2037/12 , F24H1/0045
摘要： A catalytic combustion heater having, in a fuel gas flow passage in which an inflammable gas- and combustion support gas-containing fuel gas flows, tubes in which an object fluid to be heated flows, and an oxidation catalyst provided on outer surfaces of the tubes and contacting the fuel gas to generate an oxidation reaction, comprising a catalyst-carrying heat exchanger adapted to heat the object fluid with the oxidation reaction heat of the fuel gas, a detecting member adapted to detect the temperature of a combustion exhaust gas in the fuel gas flow passage to check whether the temperature is at the level of a dew point thereof or not, and a control unit adapted to control at least one of a feed rate of the combustion support gas, which is supplied to the fuel gas flow passage, and a feed rate of the inflammable gas.

2. 发明公开

EP1031800A4 CATALYTIC COMBUSTION HEATER 有权
标题翻译：催化燃烧加热器
公开(公告)号：EP1031800A4
公开(公告)日：2007-12-19
申请号：EP98947931
申请日：1998-10-19
申请人： TOYOTA MOTOR CO LTD
发明人： YAMADA TOMOJI , HIROSE SHOJI , OGINO SHIGERU
IPC分类号： F23D14/18 , F23C13/00 , F23N5/02 , F24H1/00 , F24H1/44 , F24H1/14
CPC分类号： F24H1/40 , F24H1/0045 , F24H1/26 , F24H1/44
摘要： A catalytic combustion heater for a heat exchanger (1) which has a fuel gas flow passage (11), and a plurality of tubes (5) provided in the fuel gas flow passage, formed so as to have a fluid to be heated flow therein, and having catalyst support fins (51) fixed to an outer surface thereof, and which is formed so that the object fluid is heated by an oxidation reaction of the fuel gas. A control unit (6) is adapted to judge that a flow rate of the object fluid is low until the temperature of the object fluid detected by temperature detector (8) provided in the vicinity of an outlet of an object fluid flow passage (55) has not exceeded a predetermined level, for example, a boiling point thereof, to restrain the heat transfer to the interior of the tubes (5) and increase temperature of the fins (51) early to a catalyst activating level. Said control unit is also adapted to increase the flow rate of the object fluid to a specific level after the temperature thereof has exceeded the boiling point thereof, to promote the heat transfer to the object fluid, whereby a desired high-temperature gas is obtained with a short starting time as the attainment of unnecessarily high temperatures of the fins (51) and tubes (5) is prevented.

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