MULTI-STREAM HEAT EXCHANGER FOR FUEL CELL SYSTEM

PROBLEM TO BE SOLVED: To provide a multi-stream heat exchanger for a fuel cell system which enables reduction of costs of a device, achieves small pressure drops, and enables simplification of a mechanical structure.SOLUTION: A multi-stream heat exchanger 900 includes at least one air preheater section 182, at least one cathode recuperator section 184, and at least one anode recuperator section 183. Each section is a plate type heat exchanger having two major surfaces 902 and a plurality of edge surfaces 903, a plurality of risers passing through at least some of plates, and a plurality of flow paths located between the plates. The cathode recuperator section 184 is located adjacent to a second edge surface 903 of the anode recuperator section 183, and the air preheater section 182 is located adjacent to a first edge surface 903 of the anode recuperator section 183.SELECTED DRAWING: Figure 9A 【課題】装置のコストを低減し、圧力低下が少なく、機械的構造を簡略化できる燃料電池システムのための多流路型熱交換器を提供する。【解決手段】多流路型熱交換器９００は、少なくとも１つの空気予加熱器セクション１８２、少なくとも１つの陰極復熱器セクション１８４、および少なくとも１つの陽極復熱器セクション１８３を含み、各セクションは、２つの主面９０２および複数の端面９０３、少なくともいくつかの板を通過する複数のライザー、および板の間に設けられる複数の流路を有する板型熱交換器である。陰極復熱器セクション１８４は、陽極復熱器セクション１８３の第２の端面９０３に隣接するように配置され、空気予加熱器セクション１８２は陽極復熱器セクション１８３の第１の端面９０３に隣接するように配置される。【選択図】図９Ａ