JP2014212035A - 燃料電池モジュール - Google Patents
燃料電池モジュール Download PDFInfo
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Abstract
Description
12、140、150、160、170…燃料電池モジュール
14…原燃料供給装置 16…酸化剤ガス供給装置
18…水供給装置 20…制御装置
22…燃料電池 24…燃料電池スタック
26…電解質 28…カソード電極
30…アノード電極 32…電解質・電極接合体
38…酸化剤ガス流路 40…燃料ガス流路
46…改質器 48…蒸発器
50…熱交換器 52…排ガス燃焼器
54…起動用燃焼器 55…外周部材
56、142、152、162、172…FC周辺機器
57…空気供給管 58…原燃料供給管
60…燃焼カップ 60a、108…孔部
66…改質管路
68a、76a、98a…下側リング部材
68b、76b、98b…上側リング部材
70…円筒部材 72…開口部
74…熱交換管路 78a…混合ガス供給室
78b…燃料ガス排出室 80…端部リング部材
84…原燃料供給路 86…燃料ガス通路
88…酸化剤ガス供給管 90…酸化剤ガス配管
96…蒸発管路 100a…下端リング部材
100b…上端リング部材 102a…水供給室
102b…水蒸気排出室 103…蒸発リターン管路
114、116a、116b、118、154a、154b、156、158、164、166a、166b、168、174…外接偏流抑制板
120a〜120f…燃焼ガス通路
144、146a、146b、148…内接偏流抑制板
Claims (7)
- 燃料ガスと酸化剤ガスとの電気化学反応により発電する燃料電池を複数積層した燃料電池スタックと、
炭化水素を主体とする原燃料と水蒸気との混合ガスを改質し、前記燃料電池スタックに供給される前記燃料ガスを生成する改質器と、
水を蒸発させるとともに、前記水蒸気を前記改質器に供給する蒸発器と、
燃焼ガスとの熱交換により前記酸化剤ガスを昇温させるとともに、前記燃料電池スタックに前記酸化剤ガスを供給する熱交換器と、
前記燃料電池スタックから排出される前記燃料ガスである燃料排ガスと前記酸化剤ガスである酸化剤排ガスとを燃焼させ、前記燃焼ガスを発生させる排ガス燃焼器と、
前記原燃料と前記酸化剤ガスとを燃焼させて前記燃焼ガスを発生させる起動用燃焼器と、
を備える燃料電池モジュールであって、
前記排ガス燃焼器及び前記起動用燃焼器が構成される第1領域と、
前記改質器及び前記熱交換器が構成されるとともに、前記第1領域を環状に周回する第2領域と、
前記蒸発器が構成されるとともに、前記第2領域を環状に周回する第3領域と、
を備え、
前記熱交換器は、前記酸化剤ガスが供給される環状の酸化剤ガス供給室、昇温された前記酸化剤ガスが排出される環状の酸化剤ガス排出室、一端が前記酸化剤ガス供給室に連通し且つ他端が前記酸化剤ガス排出室に連通する複数本の熱交換管路、及び前記熱交換管路間に前記燃焼ガスを供給する燃焼ガス通路を備え、
複数本の前記熱交換管路の外表面に接する最小外接円に沿って、外接偏流抑制板が配設されることを特徴とする燃料電池モジュール。 - 請求項1記載の燃料電池モジュールにおいて、前記改質器は、前記混合ガスが供給される環状の混合ガス供給室、生成された前記燃料ガスが排出される環状の燃料ガス排出室、一端が前記混合ガス供給室に連通し且つ他端が前記燃料ガス排出室に連通する複数本の改質管路、及び前記改質管路間に前記燃焼ガスを供給する燃焼ガス通路を備え、
複数本の前記改質管路の外表面に接する最小外接円に沿って、外接偏流抑制板が配設されることを特徴とする燃料電池モジュール。 - 請求項1又は2記載の燃料電池モジュールにおいて、前記蒸発器は、前記水が供給される環状の水供給室、前記水蒸気が排出される環状の水蒸気排出室、一端が前記水供給室に連通し且つ他端が前記水蒸気排出室に連通する複数本の蒸発管路、及び前記蒸発管路間に前記燃焼ガスを供給する燃焼ガス通路を備え、
複数本の前記蒸発管路の外表面に接する最小外接円に沿って、外接偏流抑制板が配設されることを特徴とする燃料電池モジュール。 - 請求項1〜3のいずれか1項に記載の燃料電池モジュールにおいて、前記外表面に接する最大内接円に沿って、内接偏流抑制板が配設されることを特徴とする燃料電池モジュール。
- 請求項4記載の燃料電池モジュールにおいて、前記外接偏流抑制板と前記内接偏流抑制板とは、管路長さ方向に互いの端部位置がオフセットして配置されるとともに、
前記燃焼ガスは、前記外接偏流抑制板と前記内接偏流抑制板との間を前記管路長さ方向に流通することを特徴とする燃料電池モジュール。 - 請求項5記載の燃料電池モジュールにおいて、前記外接偏流抑制板及び前記内接偏流抑制板の中、前記第1領域の中心軸に最も近接して配置される前記内接偏流抑制板又は前記外接偏流抑制板は、前記管路長さ方向に対して前記排ガス燃焼器側に配置されることを特徴とする燃料電池モジュール。
- 請求項1〜6のいずれか1項に記載の燃料電池モジュールにおいて、前記燃料電池モジュールは、固体酸化物形燃料電池モジュールであることを特徴とする燃料電池モジュール。
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