JP2006179225A5 - - Google Patents

Download PDF

Info

Publication number
JP2006179225A5
JP2006179225A5 JP2004369353A JP2004369353A JP2006179225A5 JP 2006179225 A5 JP2006179225 A5 JP 2006179225A5 JP 2004369353 A JP2004369353 A JP 2004369353A JP 2004369353 A JP2004369353 A JP 2004369353A JP 2006179225 A5 JP2006179225 A5 JP 2006179225A5
Authority
JP
Japan
Prior art keywords
fuel cell
hot water
heat
flow path
heat exchanger
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2004369353A
Other languages
Japanese (ja)
Other versions
JP4087842B2 (en
JP2006179225A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2004369353A priority Critical patent/JP4087842B2/en
Priority claimed from JP2004369353A external-priority patent/JP4087842B2/en
Publication of JP2006179225A publication Critical patent/JP2006179225A/en
Publication of JP2006179225A5 publication Critical patent/JP2006179225A5/ja
Application granted granted Critical
Publication of JP4087842B2 publication Critical patent/JP4087842B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Claims (7)

燃料電池と、該燃料電池へ供給する燃料ガスを生成する改質器と、
前記燃料電池で発生する熱により加熱される貯湯水を貯湯する貯湯槽と、
前記貯湯槽を含み前記貯湯水が循環する貯湯水循環回路と、
前記燃料電池との間で熱交換をする燃料電池熱媒体が循環する燃料電池熱媒体循環回路と、
前記貯湯水と前記燃料電池熱媒体との間で熱交換する第１熱交換器と、
を備えた燃料電池システムにおいて、
前記貯湯水循環回路とは独立して設けられ、排熱回収熱媒体が循環する排熱回収熱媒体循環回路と、
前記排熱回収熱媒体循環回路に設けられて、前記燃料電池から排出されるオフガスの排熱、前記改質器にて発生する排熱の少なくとも何れか一方を前記排熱回収熱媒体に回収する排熱回収手段と、
前記貯湯水と前記排熱回収熱媒体との間で熱交換する第２熱交換器と、をさらに備え、
前記貯湯水循環回路は、前記第１熱交換器を設けた流路と前記第２熱交換器を設けた流路とが並列に設けられていることを特徴とする燃料電池システム。 A fuel cell, and a reformer that generates fuel gas to be supplied to the fuel cell;
A hot water storage tank for storing hot water heated by heat generated in the fuel cell;
A hot water circulation circuit including the hot water tank and circulating the hot water;
A fuel cell heat medium circulation circuit in which a fuel cell heat medium that exchanges heat with the fuel cell circulates;
A first heat exchanger for exchanging heat between the hot water and the fuel cell heating medium,
In a fuel cell system comprising:
An exhaust heat recovery heat medium circulation circuit that is provided independently of the hot water circulation circuit and in which the exhaust heat recovery heat medium circulates;
Provided in the exhaust heat recovery heat medium circulation circuit, recovers at least one of exhaust heat of off-gas exhausted from the fuel cell and exhaust heat generated in the reformer into the exhaust heat recovery heat medium. Waste heat recovery means;
A second heat exchanger that exchanges heat between the hot water and the exhaust heat recovery heat medium,
The fuel cell system , wherein the hot water circulation circuit is provided with a flow path provided with the first heat exchanger and a flow path provided with the second heat exchanger in parallel. 請求項１において、前記排熱回収手段は、前記改質器から前記燃料電池に供給される改質ガス中の水蒸気を凝縮する改質ガス用凝縮器を含んでいることを特徴とする燃料電池システム。 2. The fuel cell according to claim 1, wherein the exhaust heat recovery means includes a reformed gas condenser that condenses water vapor in the reformed gas supplied from the reformer to the fuel cell. system. 請求項１または請求項２において、前記第１熱交換器を設けた流路と前記第２熱交換器を設けた流路を同時に使用することを特徴とする燃料電池システム。 3. The fuel cell system according to claim 1 , wherein the flow path provided with the first heat exchanger and the flow path provided with the second heat exchanger are used simultaneously . 請求項１乃至請求項３の何れか一項において、前記第１熱交換器を設けた流路および前記第２熱交換器を設けた流路の各流量をそれぞれ調整する流量調整手段をさらに備えていることを特徴とする燃料電池システム。 4. The apparatus according to claim 1 , further comprising a flow rate adjusting unit that adjusts each flow rate of the flow path provided with the first heat exchanger and the flow path provided with the second heat exchanger. 5. fuel cell system, characterized by that. 請求項４において、前記流量調整手段は前記第１熱交換器を設けた流路の流体が両方向流通可能な構成とし、かつ前記第１熱交換器を設けた流路と前記第２熱交換器を設けた流路との分岐点と前記貯湯槽の入口との間に開閉弁を設けたことを特徴とする燃料電池システム。 According to claim 4, wherein the flow rate adjusting means fluid flow paths provided with the first heat exchanger is a two-way flow configurable, and before Symbol flow path and the second heat exchanger having a first heat exchanger A fuel cell system , wherein an opening / closing valve is provided between a branch point with a flow path provided with a vessel and an inlet of the hot water storage tank . 燃料電池と、該燃料電池へ供給する燃料ガスを生成する改質器と、  A fuel cell, and a reformer that generates fuel gas to be supplied to the fuel cell;
前記燃料電池で発生する熱により加熱される貯湯水を貯湯する貯湯槽と、  A hot water storage tank for storing hot water heated by heat generated in the fuel cell;
前記貯湯槽を含み前記貯湯水が循環する貯湯水循環回路と、  A hot water circulation circuit including the hot water tank and circulating the hot water;
前記燃料電池との間で熱交換をする燃料電池熱媒体が循環する燃料電池熱媒体循環回路と、  A fuel cell heat medium circulation circuit in which a fuel cell heat medium that exchanges heat with the fuel cell circulates;
前記貯湯水と前記燃料電池熱媒体との間で熱交換する第１熱交換器と、を備えた燃料電池システムにおいて、  A fuel cell system comprising: a first heat exchanger that exchanges heat between the hot water and the fuel cell heat medium;
前記貯湯水循環回路は、前記第１熱交換器を設けた流路と、前記改質器から前記燃料電池に供給する改質ガスの熱を回収して貯湯水を昇温する排熱回収手段を設けた流路と、が並列に設けられていることを特徴とする燃料電池システム。  The hot water circulation circuit includes a flow path provided with the first heat exchanger and exhaust heat recovery means for recovering heat of the reformed gas supplied from the reformer to the fuel cell to raise the temperature of the hot water. A fuel cell system, wherein the provided flow path is provided in parallel. 燃料電池と、該燃料電池へ供給する燃料ガスを生成する改質器と、  A fuel cell, and a reformer that generates fuel gas to be supplied to the fuel cell;
前記燃料電池で発生する熱により加熱される貯湯水を貯湯する貯湯槽と、  A hot water storage tank for storing hot water heated by heat generated in the fuel cell;
前記貯湯槽を含み前記貯湯水が循環する貯湯水循環回路と、  A hot water circulation circuit including the hot water tank and circulating the hot water;
前記燃料電池との間で熱交換をする燃料電池熱媒体が循環する燃料電池熱媒体循環回路と、  A fuel cell heat medium circulation circuit in which a fuel cell heat medium that exchanges heat with the fuel cell circulates;
前記貯湯水と前記燃料電池熱媒体との間で熱交換する第１熱交換器と、を備えた燃料電池システムにおいて、  A fuel cell system comprising: a first heat exchanger that exchanges heat between the hot water and the fuel cell heat medium;
前記貯湯水循環回路は、前記第１熱交換器を設けた流路と、前記燃料電池から排出されるオフガスの排熱、前記改質器にて発生する排熱の少なくとも何れか一方を回収して前記貯湯水を昇温する排熱回収手段を設けた流路と、が並列に設けられ、  The hot water circulation circuit collects at least one of a flow path provided with the first heat exchanger, exhaust heat of off-gas discharged from the fuel cell, and exhaust heat generated in the reformer. A flow path provided with exhaust heat recovery means for raising the temperature of the hot water stored in parallel,
前記第１熱交換器を設けた流路および前記排熱回収手段を設けた流路の各流量をそれぞれ調整し、前記第１熱交換器を設けた流路の流体が両方向流通可能な流量調整手段を設け、  Adjusting the respective flow rates of the flow path provided with the first heat exchanger and the flow path provided with the exhaust heat recovery means, the flow rate adjustment that allows the fluid in the flow path provided with the first heat exchanger to flow in both directions Providing means,
前記第１熱交換器を設けた流路と前記排熱回収手段を設けた流路との分岐点と前記貯湯槽の入口との間に開閉弁を設けたことを特徴とする燃料電池システム。  A fuel cell system, wherein an open / close valve is provided between a branch point between a flow path provided with the first heat exchanger and a flow path provided with the exhaust heat recovery means and an inlet of the hot water storage tank.
JP2004369353A 2004-12-21 2004-12-21 Fuel cell system Expired - Fee Related JP4087842B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004369353A JP4087842B2 (en) 2004-12-21 2004-12-21 Fuel cell system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004369353A JP4087842B2 (en) 2004-12-21 2004-12-21 Fuel cell system

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2007196520A Division JP4355349B2 (en) 2007-07-27 2007-07-27 Fuel cell system

Publications (3)

Publication Number Publication Date
JP2006179225A JP2006179225A (en) 2006-07-06
JP2006179225A5 true JP2006179225A5 (en) 2007-04-26
JP4087842B2 JP4087842B2 (en) 2008-05-21

Family

ID=36733130

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004369353A Expired - Fee Related JP4087842B2 (en) 2004-12-21 2004-12-21 Fuel cell system

Country Status (1)

Country Link
JP (1) JP4087842B2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5388419B2 (en) * 2006-08-29 2014-01-15 京セラ株式会社 Fuel cell device
GB0621784D0 (en) * 2006-11-01 2006-12-13 Ceres Power Ltd Fuel cell heat exchange systems and methods
JP5369752B2 (en) * 2008-07-16 2013-12-18 富士電機株式会社 Fuel cell power generator
JP5170567B2 (en) * 2009-02-03 2013-03-27 東京瓦斯株式会社 Cogeneration system
JPWO2010109790A1 (en) * 2009-03-25 2012-09-27 パナソニック株式会社 FUEL CELL SYSTEM AND METHOD FOR OPERATING FUEL CELL SYSTEM
KR101778228B1 (en) * 2016-03-28 2017-09-26 주식회사 두산 High temperature fuel cell system

Similar Documents

Publication Publication Date Title
JP5043859B2 (en) Condenser boiler heat exchanger for heating and hot water supply
WO2009063283A3 (en) Fuel cell system
JP4776391B2 (en) Waste heat utilization system
JP2009299942A (en) Hot water supply system
JP2011501356A (en) Heat recovery device for fuel cell system
JP5092186B2 (en) Fuel cell cogeneration system
JP2006179225A5 (en)
JP5821456B2 (en) Humidity control device
JP4203048B2 (en) Water heater
JP2004127841A (en) Fuel battery cogeneration system
JP2006127861A5 (en)
JP6104208B2 (en) Solar thermal gas hot water system
JP2006226639A5 (en)
JP6088771B2 (en) Heat source equipment
JP5854369B2 (en) Cogeneration system
JP4615888B2 (en) Fuel cell cogeneration system
JP2006172961A (en) Fuel cell system
JP2006183960A (en) Cogeneration system
KR102348104B1 (en) Plate heat exchanger in particular for a fuel-fired heater
JP2002289242A (en) Fuel cell exhaust heat recovery system
JP2006097950A (en) Heat pump water heater
JP5919939B2 (en) Hot water storage heater
JP2006105529A (en) Hot water storage type water heater
JP6097897B1 (en) Binary power generation system
JP4251227B2 (en) Heat pump water heater