JPH07237902A - Fuel cell system - Google Patents
Fuel cell systemInfo
- Publication number
- JPH07237902A JPH07237902A JP6030703A JP3070394A JPH07237902A JP H07237902 A JPH07237902 A JP H07237902A JP 6030703 A JP6030703 A JP 6030703A JP 3070394 A JP3070394 A JP 3070394A JP H07237902 A JPH07237902 A JP H07237902A
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- burner
- air
- vaporized
- vaporizer
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
- H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
- H01M8/0612—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material
- H01M8/0625—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material in a modular combined reactor/fuel cell structure
- H01M8/0631—Reactor construction specially adapted for combination reactor/fuel cell
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Hydrogen, Water And Hydrids (AREA)
- Fuel Cell (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、燃料ガスと空気中の酸
素とで電池反応を行なう燃料電池と、燃料ガス原料の改
質反応を行い燃料ガスの生成を行なう改質装置とを有し
た燃料電池システムに関し、詳しくは改質装置のバーナ
の燃焼に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention has a fuel cell for carrying out a cell reaction with fuel gas and oxygen in the air, and a reformer for carrying out a reforming reaction of a fuel gas raw material to produce a fuel gas. More particularly, it relates to combustion of a reformer burner.
【０００２】[0002]
【従来の技術】燃料電池システムは、水素極と、酸化剤
極とを有した燃料電池と、天然ガスやメタノール等の原
料を改質することにより水素主成分の燃料ガスを生成す
る改質装置を有しており、燃料電池では改質装置により
生成された燃料ガスと空気中の酸素とを電気化学的に反
応させて発電を起こしている。2. Description of the Related Art A fuel cell system is a fuel cell having a hydrogen electrode and an oxidizer electrode, and a reforming device for producing a fuel gas containing hydrogen as a main component by reforming a raw material such as natural gas or methanol. In the fuel cell, the fuel gas generated by the reformer and oxygen in the air are electrochemically reacted to generate power.
【０００３】従来の燃料電池システムでは、図３に示す
ような改質装置が用いられている。図にあるように、改
質装置は、外部から供給される燃料ガスの原料を気化す
る気化器１０１と、気化された原料を改質反応により水
素主成分の燃料ガスにする触媒層１０２と、メタノール
等の液体燃料及び水素極の排ガスを燃料とし、気化器１
０１と触媒層１０２とを昇温するために改質装置内の空
気を加熱するバーナ１０３とを有している。In a conventional fuel cell system, a reformer as shown in FIG. 3 is used. As shown in the figure, the reformer includes a vaporizer 101 for vaporizing a raw material of a fuel gas supplied from the outside, a catalyst layer 102 for converting the vaporized raw material into a fuel gas containing hydrogen as a main component by a reforming reaction, Vaporizer 1 using liquid fuel such as methanol and exhaust gas from hydrogen electrode as fuel
01 and the catalyst layer 102, the burner 103 heats the air in the reformer.
【０００４】さらに、上記バーナ１０３は、先端に噴霧
ノズル１０３ａを有するバーナ用メタノール供給路１０
３ｂと、燃料電池の水素極から放出される水素極排ガス
を噴射ノズル１０３ａの口部分の周辺に供給する水素極
排ガス供給路１０３ｃと、バーナ燃焼に必要な空気をバ
ーナに送り込むファン１０３ｄとを有している。電池シ
ステム内で上記改質装置は以下のように作動する。Further, the burner 103 has a methanol supply passage 10 for a burner having a spray nozzle 103a at its tip.
3b, a hydrogen electrode exhaust gas supply passage 103c for supplying the hydrogen electrode exhaust gas emitted from the hydrogen electrode of the fuel cell to the vicinity of the mouth of the injection nozzle 103a, and a fan 103d for sending the air required for burner combustion to the burner. is doing. The reformer operates as follows in the battery system.
【０００５】先ず、噴霧ノズル１０３ａにより外部から
供給されるバーナ用液体燃料を霧状にし、この霧状にな
ったバーナ用液体燃料をファン１０３ｄにより供給され
る空気を用いて燃焼させ、気化器１０１と触媒層１０２
の加熱を行なう。加熱された空気により、気化器１０１
は昇温され、外部から供給される燃料ガスの原料を気化
する。気化された燃料ガスの原料は触媒層１０２を通っ
て改質反応をおこし、水素主成分の燃料ガスとなり、図
示しない燃料電池の水素極に供給される。First, the liquid fuel for burner supplied from the outside by the spray nozzle 103a is atomized, and the atomized liquid fuel for burner is burned by using the air supplied by the fan 103d, and the carburetor 101 is used. And catalyst layer 102
Heating. Vaporizer 101 by heated air
Is heated to vaporize the raw material of the fuel gas supplied from the outside. The raw material of the vaporized fuel gas undergoes a reforming reaction through the catalyst layer 102 to become a fuel gas containing hydrogen as a main component and supplied to a hydrogen electrode of a fuel cell (not shown).
【０００６】供給された燃料ガスと空気中の酸素とで燃
料電池の電池反応が開始されると、水素極から水素、一
酸化炭素等を含有する排ガスが放出される。この水素極
の排ガスは、水素極排ガス供給路１０３ｃを通ってバー
ナに供給され、バーナ１０３用の燃料として用いられ。When the cell reaction of the fuel cell is started by the supplied fuel gas and oxygen in the air, exhaust gas containing hydrogen, carbon monoxide, etc. is released from the hydrogen electrode. The exhaust gas of the hydrogen electrode is supplied to the burner through the hydrogen electrode exhaust gas supply passage 103c and used as fuel for the burner 103.
【０００７】[0007]
【発明が解決しようとする課題】ところが、上記したよ
うな改質装置を有する燃料電池システムでは、以下のよ
うな問題点が生じる。従来の改質装置のバーナでは、霧
状にすることによりある程度液体燃料を燃えやすくして
いるが、粒が小さくなっても液体なのでやはり燃焼しに
くく、液体燃料を完全燃焼させることはできなかった。
このように完全燃焼が行なわれないと、一酸化炭素やホ
ルムアルデヒドのような有毒性分が多量に生成し、この
ような有毒成分を多量に含有した排ガスをバーナの排ガ
スとして外部に放出することになる。However, the fuel cell system having the above-described reformer has the following problems. In the conventional reformer burner, the liquid fuel is made combustible to some extent by making it mist, but even if the particles become small, it is still difficult to burn because it is liquid, and it was not possible to completely burn the liquid fuel. .
If complete combustion is not performed in this way, a large amount of toxic components such as carbon monoxide and formaldehyde will be produced, and exhaust gas containing a large amount of such toxic components will be released to the outside as exhaust gas of the burner. Become.
【０００８】また、バーナに供給された水素極の排ガス
についても、燃え易い水素成分は略完全に燃焼される
が、一酸化炭素については燃え残りバーナ排ガスとして
やはり外部に放出される。本発明は、上記問題点に鑑み
なされたものであり、バーナに用いる燃料の略完璧なま
での完全燃焼を行い、クリーンなバーナの排ガスを放出
する燃料電池システムを提供することを目的とする。Also in the exhaust gas of the hydrogen electrode supplied to the burner, the combustible hydrogen component is almost completely combusted, but the carbon monoxide remains unburned and is released to the outside as burner exhaust gas. The present invention has been made in view of the above problems, and an object of the present invention is to provide a fuel cell system in which the fuel used for a burner is completely burned to a substantially complete state and the exhaust gas of a clean burner is discharged.
【０００９】[0009]
【課題を解決するための手段】上記目的を達成するため
に、本発明は、水素極と酸化剤極とを有し、燃料ガスと
空気中の酸素とで電池反応を行なう燃料電池と、燃料ガ
ス原料の気化を行なう気化器、液体燃料と水素極排ガス
とを燃料として前記気化器及び触媒層を加熱するバーナ
及び気化器により気化された燃料ガス原料の改質を行な
う触媒層とを有する改質装置とを有した燃料電池システ
ムにおいて、上記改質装置のバーナが、バーナの燃料に
用られる液体燃料を気化させるバーナ燃料気化部と、上
記バーナ燃料気化部によって気化された液体燃料を燃焼
するための空気をバーナ燃料気化部内に供給する一次空
気供給部と、一次空気供給部によって供給された空気と
気化された液体燃料との燃焼が起こる部分より改質装置
の気化器よりに空気を供給する二次空気供給部と、一次
空気供給部によって供給された空気と気化された燃料と
の燃焼がおこる部分若しくはそれより改質装置の気化器
よりに燃料電池の水素極から放出される排ガスを供給す
る排ガス供給部とを有することを特徴とする。In order to achieve the above object, the present invention provides a fuel cell having a hydrogen electrode and an oxidant electrode, which performs a cell reaction with fuel gas and oxygen in the air, and a fuel. A reformer having a vaporizer for vaporizing a gas raw material, a burner for heating the vaporizer and the catalyst layer using liquid fuel and hydrogen electrode exhaust gas as fuel, and a catalyst layer for reforming the fuel gas raw material vaporized by the vaporizer. In a fuel cell system having a quality device, a burner of the reformer burns a burner fuel vaporization section that vaporizes a liquid fuel used as a fuel of the burner, and a liquid fuel vaporized by the burner fuel vaporization section. For supplying the air for burning into the burner fuel vaporization section, and a portion of the reformer carburetor that is emptied more than the portion where combustion of the air supplied by the primary air supply section and the vaporized liquid fuel occurs. Is discharged from the hydrogen electrode of the fuel cell to the secondary air supply part for supplying the fuel and the part where the air supplied by the primary air supply part and the vaporized fuel are burned or the carburetor of the reformer. An exhaust gas supply unit for supplying exhaust gas is provided.
【００１０】[0010]
【作用】上記した構成により、本発明は以下のような作
用を有する。先ず、気化器によって気化された状態のバ
ーナ用液体燃料を、燃焼させることにより、従来の液体
のものを燃焼するよりも燃焼が行いやすくなる。また、
気化されたバーナ用の液体燃料を一次空気供給部から供
給された空気を用いて燃焼させた後、さらに燃え残りを
二次空気供給部から新たに供給された新鮮な空気を用い
て燃焼させることができるので、液体燃料の略完璧なま
での完全燃焼を行なうことができる。With the above-mentioned structure, the present invention has the following actions. First, by burning the burner liquid fuel in the vaporized state by the vaporizer, it becomes easier to perform the combustion than the conventional liquid fuel. Also,
Combusting the vaporized liquid fuel for the burner with the air supplied from the primary air supply section, and then burning the unburned residue with the fresh air newly supplied from the secondary air supply section. As a result, the liquid fuel can be completely burned to the almost perfect state.
【００１１】また、二次空気供給部から供給された空気
は、気化した液体燃料の燃え残りを燃焼させるととも
に、水素極から排出される水素極排ガスの燃焼にも用い
られる。この際、一次空気供給部から供給された空気と
の燃焼で気化された液体燃料の多くが燃焼されており、
第２の空気供給部から供給された空気が燃え残りの燃焼
の為に用いられても、水素極排ガスの燃焼にはまだ十分
な空気が存在するので、水素極排ガスも略完全に燃焼さ
れる。Further, the air supplied from the secondary air supply unit burns the unburned residue of the vaporized liquid fuel and is also used for burning the hydrogen electrode exhaust gas discharged from the hydrogen electrode. At this time, most of the liquid fuel vaporized by the combustion with the air supplied from the primary air supply unit is burned,
Even if the air supplied from the second air supply unit is used for the combustion of the unburned residue, there is still sufficient air for combustion of the hydrogen electrode exhaust gas, so the hydrogen electrode exhaust gas is also almost completely combusted. .
【００１２】[0012]
【実施例】本発明の一例にかかる実施例について、図面
を参照しながら以下に説明を行なう。図１は本発明の一
例に係る燃料電池システムの概略を示す構造図である。
図に示すように、本実施例の燃料システムは、水素極と
空気極と冷却室とを有する燃料電池１と、燃料ガスの原
料の水蒸気改質反応を行い前記水素極に供給する水素主
成分の燃料ガスを生成するものであり、燃料ガスの原料
を気化せさる気化器２ａと、気化された原料の改質反応
を行なう触媒層２ｂと、気化器２ａと触媒層２ｂの加熱
を行なうため改質装置内の空気の加熱を行なうバーナ２
ｃとを有する改質装置２と、改質装置のバーナ２ｃにバ
ーナ用液体燃料であるメタノールを供給するためのメタ
ノール供給路３と、燃料ガスの原料を改質装置２に供給
するための燃料ガス原料供給路４と、改質装置により生
成された燃料ガスを水素極に供給するための燃料ガス供
給路５と、水素極の排ガスを改質装置のバーナに供給す
るための水素極排ガス通路６と、空気極及び冷却室に空
気供給源を供給する空気供給路７と、空気供給路７に設
けられ空気極極及び冷却室に空気を供給するブロワ８
と、冷却室、空気極から排出される空気排ガスが通過す
る空気排ガス通路９とを有している。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment according to the present invention will be described below with reference to the drawings. FIG. 1 is a structural diagram showing an outline of a fuel cell system according to an example of the present invention.
As shown in the figure, the fuel system according to the present embodiment comprises a fuel cell 1 having a hydrogen electrode, an air electrode, and a cooling chamber, and a hydrogen main component that performs a steam reforming reaction of a raw material of a fuel gas and supplies it to the hydrogen electrode. For producing the fuel gas, and for heating the vaporizer 2a for vaporizing the raw material of the fuel gas, the catalyst layer 2b for performing a reforming reaction of the vaporized raw material, and the vaporizer 2a and the catalyst layer 2b. Burner 2 that heats the air in the reformer
c, a methanol supply passage 3 for supplying methanol, which is a liquid fuel for the burner, to the burner 2c of the reformer, and a fuel for supplying the raw material of the fuel gas to the reformer 2. Gas raw material supply path 4, fuel gas supply path 5 for supplying the fuel gas generated by the reformer to the hydrogen electrode, and hydrogen electrode exhaust gas path for supplying the exhaust gas of the hydrogen electrode to the burner of the reformer. 6, an air supply path 7 for supplying an air supply source to the air electrode and the cooling chamber, and a blower 8 provided in the air supply path 7 for supplying air to the air electrode and the cooling chamber.
And an air exhaust gas passage 9 through which the air exhaust gas discharged from the cooling chamber and the air electrode passes.
【００１３】上記改質装置のバーナ２ｃのさらに詳しい
構成について図２を参照しつつ説明を行なう。図２に示
すように、バーナ２ｃは、周囲を保温材２１で覆われた
有底の円筒形のバーナ室２２を有し、その内部には、有
底で円筒形のバーナボディ２３が設けられている。バー
ナボディ２３の大きさは、バーナボディ２３をバーナ室
２２内に設けた際に、バーナボディ２３の外部壁面２３
ａとバーナ室２２の内部壁面２２ａとの間に所定の空間
が空くような大きさである。バーナボディ２３の内部表
面２３ｂには、Ｍｎ、Ｍｇ、Ｆｅ2 Ｏ3 を主成分とする
耐熱性塗料によるコーティングが施されている。A more detailed structure of the burner 2c of the reformer will be described with reference to FIG. As shown in FIG. 2, the burner 2c has a bottomed cylindrical burner chamber 22 whose periphery is covered with a heat insulating material 21, and a bottomed cylindrical burner body 23 is provided therein. ing. The size of the burner body 23 is such that when the burner body 23 is installed in the burner chamber 22, the outer wall surface 23 of the burner body 23 is
The size is such that a predetermined space is vacant between a and the inner wall surface 22a of the burner chamber 22. The inner surface 23b of the burner body 23 is coated with a heat resistant paint containing Mn, Mg and Fe 2 O 3 as main components.
【００１４】このバーナボディ２３内部の中央部には、
モータ等の駆動源により回転されるメタノール飛散用ハ
ネ２４が設けられている。さらに、バーナボディ２３内
部にはメタノール供給路３が配管されており、このメタ
ノール供給路のバーナボディ側端部には、メタノール飛
散用ハネ２４の裏側にメタノール水溶液を吹きつけるた
めのノズル２５が設けられている。またバーナボディ２
３の外部壁面２３ａには、バーナボディ２３の温度をメ
タノール気化可能な温度にまで上昇させることのできる
ヒータ２６が設けられている。At the center of the burner body 23,
A fan 24 for scattering methanol is provided which is rotated by a drive source such as a motor. Further, a methanol supply path 3 is piped inside the burner body 23, and a nozzle 25 for spraying an aqueous methanol solution is provided at the end of the methanol supply path on the burner body side, on the back side of the methanol scattering blade 24. Has been. Burner body 2
The outer wall surface 23a of No. 3 is provided with a heater 26 that can raise the temperature of the burner body 23 to a temperature at which methanol can be vaporized.
【００１５】また、バーナボディ２３の底部及びバーナ
室２２の底部には、バーナボディ２３内に燃焼の為の空
気（矢印Ｘ 以下一次空気と称する）を取り入れるため
の穴と、バーナ室２２内に燃焼用の空気（矢印Ｙ 以下
二次空気と称する）を取り入れるための穴が設けられて
いる。このバーナ室２２内に取り入れられた二次空気は
バーナボディ２３の上方に供給される。また、バーナ室
２２には、上記水素極排ガス通路６が配管されており、
この水素極排ガス通路６を通過した水素極排ガスは、バ
ーナボディ２３の上方に供給されるようになっている。Further, in the bottom of the burner body 23 and the bottom of the burner chamber 22, a hole for taking in air for combustion (arrow X, hereinafter referred to as primary air) into the burner body 23, and in the burner chamber 22 are provided. A hole is provided for taking in combustion air (arrow Y, hereinafter referred to as secondary air). The secondary air taken into the burner chamber 22 is supplied above the burner body 23. Further, the hydrogen electrode exhaust gas passage 6 is piped in the burner chamber 22,
The hydrogen electrode exhaust gas that has passed through the hydrogen electrode exhaust gas passage 6 is supplied above the burner body 23.
【００１６】また、バーナ室２２の底面の下方には、バ
ーナ燃焼のための空気を送りこむファン２７を有してい
る。このような構成の燃料電池システムは、以下のよう
に作動する。先ず、電池起動時に、バーナボディ２３は
ヒータ２６によってメタノール気化可能な温度にまで加
熱される。またメタノール飛散用ハネ２４は回転を開始
する。このような状態で、図示しないバーナ用メタノー
ル供給源から供給されたメタノールがノズル２５によっ
て回転しているメタノール飛散用ハネ２４に吹きつけら
れると、吹きつけられたメタノールは遠心力で、バーナ
ボディ２３の内部壁面２３ｂにぶつけられる。この時バ
ーナボディ２３の内部壁面２３ｂには上記したようにＭ
ｎ、Ｍｇ、Ｆｅ2 Ｏ3 を主成分とする耐熱性塗料がコー
ティングされているので、内部壁面がメタノール水溶液
に対する濡れがよい状態になっており、ぶつかったメタ
ノールは内部壁面２３ｂに広がる。Further, below the bottom surface of the burner chamber 22, there is provided a fan 27 for sending in air for burner combustion. The fuel cell system having such a configuration operates as follows. First, when the battery is started, the burner body 23 is heated by the heater 26 to a temperature at which methanol can be vaporized. Further, the methanol splashing blade 24 starts to rotate. In this state, when the methanol supplied from the burner methanol supply source (not shown) is sprayed by the nozzle 25 onto the rotating methanol splashing blade 24, the sprayed methanol is centrifugally generated by the burner body 23. Is hit against the inner wall surface 23b. At this time, as described above, the inner wall surface 23b of the burner body 23 has M
Since the heat-resistant paint containing n, Mg, and Fe 2 O 3 as a main component is coated, the inner wall surface is in a good wettability with the aqueous methanol solution, and the hit methanol spreads on the inner wall surface 23b.
【００１７】このとき、上記したようにバーナボディ２
３は、メタノール気化可能な温度にまで加熱されている
ので、内部壁面２３ｂに広がったメタノールは気化す
る。気化したメタノールは、図示しない着火手段によっ
て引火され、バーナボディ２３内に供給された一次空気
とともに燃焼する。さらにバーナ２２室内を通過し、バ
ーナボディ２３の上方に供給された二次空気と、完全に
燃焼できなかったメタノールとが燃焼する。At this time, as described above, the burner body 2
Since 3 is heated to a temperature at which methanol can be vaporized, the methanol spread on the inner wall surface 23b is vaporized. The vaporized methanol is ignited by an ignition means (not shown) and burns together with the primary air supplied into the burner body 23. Further, the secondary air that has passed through the interior of the burner 22 and is supplied above the burner body 23 and the methanol that could not be completely combusted burn.
【００１８】このようなバーナの燃焼により改質装置２
内の空気が加熱され、気化器２ａ及び触媒層２ｂの温度
が上昇し、改質装置２における燃料ガスの生成が開始す
る。改質装置２で生成された燃料ガスは、燃料ガス供給
路５を通って水素極に供給される。一方、空気供給路７
を通って、空気極に空気が供給され、電池反応が開始す
る。電池反応の結果、水素極から水素極排ガスが排出さ
れると、この水素極排ガスは水素極排ガス通路６を通っ
てバーナボディ２３上部に供給される。この水素極排ガ
スと、一次空気及びバーナボディ２３上部に供給されて
いる二次空気とが燃焼して改質装置内の空気の加熱を行
なうようになる。このように水素極排ガスが空気加熱用
の燃料として供給され始めると、バーナ用メタノールの
供給を停止し、水素極排ガスの供給が少なくなり、気化
器２ａの温度が低下するような場合だけメタノールを供
給するようにすればよい。By the combustion of such a burner, the reformer 2
The air inside is heated, the temperatures of the vaporizer 2a and the catalyst layer 2b rise, and the generation of fuel gas in the reformer 2 starts. The fuel gas generated in the reformer 2 is supplied to the hydrogen electrode through the fuel gas supply passage 5. On the other hand, the air supply path 7
Air is supplied to the air electrode through the cell and the cell reaction starts. When the hydrogen electrode exhaust gas is discharged from the hydrogen electrode as a result of the cell reaction, the hydrogen electrode exhaust gas is supplied to the upper portion of the burner body 23 through the hydrogen electrode exhaust gas passage 6. The hydrogen electrode exhaust gas and the primary air and the secondary air supplied to the upper portion of the burner body 23 are burned to heat the air in the reformer. When the hydrogen electrode exhaust gas starts to be supplied as the fuel for heating the air as described above, the supply of the methanol for the burner is stopped, the supply of the hydrogen electrode exhaust gas is reduced, and the methanol is supplied only when the temperature of the vaporizer 2a decreases. It should be supplied.
【００１９】また、バーナ２ｃでの燃焼が開始すれば、
バーナボディ２３はその熱で加熱されることになるの
で、バーナボディ２３を加熱するヒータ２６は、燃料電
池システムの起動時だけ用いればよい。 〔その他の事項〕 上記実施例ではバーナボディの底面の穴から一次空
気を供給しているが、側壁から供給する構成にしてもよ
い。 上記実施例ではバーナの燃料としてメタノールを用
いたが、これに限ることはなく、他の液体燃料を用いる
ことができる。 上記実施例では、ノズルにより、メタノール飛散用
のハネの気化器側からみて下面にメタノール水溶液を吹
きつけたが、上面に吹きつける構成にしてもよい。 メタノール飛散用のハネを用いるかわりに、加熱さ
れたバーナボディにメタノール水溶液を直接滴下或いは
吹きつけるような構成にしてもよい。If combustion in the burner 2c starts,
Since the burner body 23 is heated by the heat, the heater 26 for heating the burner body 23 may be used only when the fuel cell system is started. [Other Matters] In the above embodiment, the primary air is supplied from the hole on the bottom surface of the burner body, but it may be supplied from the side wall. Although methanol was used as the fuel for the burner in the above embodiment, the present invention is not limited to this, and other liquid fuels can be used. In the above embodiment, the nozzle sprayed the aqueous methanol solution on the lower surface of the spraying blade of the methanol as viewed from the vaporizer side, but it may be sprayed on the upper surface. Instead of using the splatter for splashing methanol, the methanol aqueous solution may be dropped or sprayed directly onto the heated burner body.
【００２０】[0020]
【発明の効果】以上説明したように、本発明によれば、
バーナ用の液体燃料を気化させて燃焼させやすい状態に
し、気化された燃料の燃焼を一次空気供給部により供給
された空気を用いて行なった後、さらに燃え残りを二次
空気供給部により供給された空気を用いて行なうことに
より、液体燃料の略完全な燃焼を行なうことができた。As described above, according to the present invention,
After the liquid fuel for the burner is vaporized to make it easy to burn, and the vaporized fuel is burned using the air supplied by the primary air supply unit, the unburned residue is further supplied by the secondary air supply unit. It was possible to achieve almost complete combustion of the liquid fuel by using this air.
【００２１】また、一次空気供給部及び二次空気供給部
により供給された空気を、水素極の排ガスの燃焼に用い
ることにより、水素極排ガスの燃焼も略完全に行なうこ
とができた。従って、バーナの排ガス中の有毒成分の濃
度は低下し、クリーンなバーナ排ガスを放出する燃料電
池システムを提供することができるという効果を奏し
た。Further, by using the air supplied by the primary air supply section and the secondary air supply section for the combustion of the exhaust gas of the hydrogen electrode, the combustion of the exhaust gas of the hydrogen electrode could be performed almost completely. Therefore, the concentration of the toxic components in the exhaust gas of the burner is lowered, and the effect that a clean burner exhaust gas is emitted can be provided.
【図１】本発明の１例に係る燃料電池システムの概略を
示す図である。FIG. 1 is a diagram schematically showing a fuel cell system according to an example of the present invention.
【図２】本発明の１例に係る燃料電池システムの改質装
置のバーナについて記載したものである。FIG. 2 illustrates a burner of a reformer of a fuel cell system according to an example of the present invention.
【図３】従来の燃料電池システムの改質装置を示す図で
ある。FIG. 3 is a view showing a reformer of a conventional fuel cell system.
２ｃ バーナ ６ 水素極排ガス通路 ２３ バーナボディ２３ ２４ メタノール飛散用ハネ ２６ ヒータ 2c burner 6 hydrogen electrode exhaust gas passage 23 burner body 23 24 methanol scattering fan 26 heater
───────────────────────────────────────────────────── フロントページの続き (72)発明者 唐金 光雄 守口市京阪本通２丁目５番５号 三洋電機 株式会社内 (72)発明者 杉本 実 守口市京阪本通２丁目５番５号 三洋電機 株式会社内 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Mitsuo Karakane 2-5-5 Keihan Hondori, Moriguchi City Sanyo Electric Co., Ltd. (72) Inventor Minoru Sugimoto 2-5-5 Keihan Hondori, Moriguchi City Sanyo Denki Co., Ltd.
Claims (1)
気中の酸素とで電池反応を行なう燃料電池と、燃料ガス
原料の気化を行なう気化器、液体燃料と水素極排ガスと
を燃料として前記気化器及び触媒層を加熱するバーナ及
び気化器により気化された燃料ガス原料の改質を行なう
触媒層とを有する改質装置とを有した燃料電池システム
において、 上記改質装置のバーナが、バーナの燃料に用られる液体
燃料を気化させるバーナ燃料気化部と、 上記バーナ燃料気化部によって気化された液体燃料を燃
焼するための空気をバーナ燃料気化部内に供給する一次
空気供給部と、 一次空気供給部によって供給された空気と気化された液
体燃料との燃焼が起こる部分より改質装置の気化器より
に空気を供給する二次空気供給部と、 一次空気供給部によって供給された空気と気化された燃
料との燃焼がおこる部分若しくはそれより改質装置の気
化器よりに燃料電池の水素極から放出される排ガスを供
給する排ガス供給部と、 を有したことを特徴する燃料電池システム。1. A fuel cell having a hydrogen electrode and an oxidizer electrode, which performs a cell reaction with a fuel gas and oxygen in the air, a vaporizer for vaporizing a fuel gas raw material, a liquid fuel, and a hydrogen electrode exhaust gas. A fuel cell system having a burner for heating the vaporizer and the catalyst layer using the fuel as a fuel, and a reformer having a catalyst layer for reforming the fuel gas raw material vaporized by the vaporizer. The burner is a burner fuel vaporization section that vaporizes liquid fuel used as a fuel for the burner, and a primary air supply section that supplies air for burning the liquid fuel vaporized by the burner fuel vaporization section into the burner fuel vaporization section. , A secondary air supply section for supplying air to the carburetor of the reformer from a portion where combustion of the air supplied by the primary air supply section and vaporized liquid fuel occurs, and a primary air supply section. An exhaust gas supply unit for supplying exhaust gas discharged from the hydrogen electrode of the fuel cell to the vaporizer of the reformer or the portion where combustion of the vaporized fuel and the air supplied as a result occurs. Characteristic fuel cell system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6030703A JP3054533B2 (en) | 1994-02-28 | 1994-02-28 | Fuel cell system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6030703A JP3054533B2 (en) | 1994-02-28 | 1994-02-28 | Fuel cell system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07237902A true JPH07237902A (en) | 1995-09-12 |
| JP3054533B2 JP3054533B2 (en) | 2000-06-19 |
Family
ID=12311020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6030703A Expired - Lifetime JP3054533B2 (en) | 1994-02-28 | 1994-02-28 | Fuel cell system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3054533B2 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998019960A1 (en) * | 1996-11-07 | 1998-05-14 | Toyota Jidosha Kabushiki Kaisha | Hydrogen manufacturing and supplying apparatus and electric motorcar |
| JP2005183216A (en) * | 2003-12-19 | 2005-07-07 | Nippon Oil Corp | Burner for reformer and fuel cell system |
| JP2006012593A (en) * | 2004-06-25 | 2006-01-12 | Idemitsu Kosan Co Ltd | Reformer, hydrogen production system and fuel cell system |
| JP2008166070A (en) * | 2006-12-27 | 2008-07-17 | Mitsubishi Heavy Ind Ltd | Fuel cell system with exhaust fuel combustor |
| JP2011169528A (en) * | 2010-02-19 | 2011-09-01 | Dainichi Co Ltd | Combustion device |
| JP2011169527A (en) * | 2010-02-19 | 2011-09-01 | Dainichi Co Ltd | Combustion device |
| JP6090419B1 (en) * | 2015-12-22 | 2017-03-08 | 富士電機株式会社 | Fuel cell device |
-
1994
- 1994-02-28 JP JP6030703A patent/JP3054533B2/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998019960A1 (en) * | 1996-11-07 | 1998-05-14 | Toyota Jidosha Kabushiki Kaisha | Hydrogen manufacturing and supplying apparatus and electric motorcar |
| US6294276B1 (en) | 1996-11-07 | 2001-09-25 | Toyota Jidosha Kabushiki Kaisha | Hydrogen manufacturing and supplying apparatus and electric motorcar |
| JP2005183216A (en) * | 2003-12-19 | 2005-07-07 | Nippon Oil Corp | Burner for reformer and fuel cell system |
| JP4617079B2 (en) * | 2003-12-19 | 2011-01-19 | Ｊｘ日鉱日石エネルギー株式会社 | Reformer burner and fuel cell system |
| JP2006012593A (en) * | 2004-06-25 | 2006-01-12 | Idemitsu Kosan Co Ltd | Reformer, hydrogen production system and fuel cell system |
| JP4712321B2 (en) * | 2004-06-25 | 2011-06-29 | 出光興産株式会社 | Reformer, hydrogen production system and fuel cell system |
| JP2008166070A (en) * | 2006-12-27 | 2008-07-17 | Mitsubishi Heavy Ind Ltd | Fuel cell system with exhaust fuel combustor |
| JP2011169528A (en) * | 2010-02-19 | 2011-09-01 | Dainichi Co Ltd | Combustion device |
| JP2011169527A (en) * | 2010-02-19 | 2011-09-01 | Dainichi Co Ltd | Combustion device |
| JP6090419B1 (en) * | 2015-12-22 | 2017-03-08 | 富士電機株式会社 | Fuel cell device |
| JP2017117564A (en) * | 2015-12-22 | 2017-06-29 | 富士電機株式会社 | Fuel cell device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3054533B2 (en) | 2000-06-19 |
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