Title:
Fuel cell system
Document Type and Number:
Japanese Patent JP6163525
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a fuel cell system in which occurrence of an unsafe event is suppressed, by suppressing release of unreacted gas, supplied into the system to the outside.SOLUTION: A fuel cell system includes: a reformer having a reforming part generating reformed gas, and a combustion part for heating the reforming part; N fuel cells generating power by using the reformed gas; first steam recovery means provided, respectively, between two adjoining fuel cells, condensing and recovering steam in the off-gas discharged from a fuel cell in farther upstream, and supplying the off-gas, from which steam is recovered, to a fuel cell in farther downstream; an off-gas path for supplying the off-gas to the combustion part; a second steam recovery means for condensing and recovering steam in the off-gas discharged from the combustion part; a condensate water supply path for supplying the condensate water, recovered by the first steam recovery means, to the second steam recovery means; water level detection means for detecting the water level of the first steam recovery means; and an on-off valve opening and closing based on a detected water level.SELECTED DRAWING: Figure 1
Inventors:
Shunpei Taku
Application Number:
JP2015195170A
Publication Date:
July 12, 2017
Filing Date:
September 30, 2015
Export Citation:
Assignee:
Tokyo Gas Co., Ltd.
International Classes:
H01M8/04; C01B3/38; H01M8/0612
Domestic Patent References:
| JP2015138573A | ||||
| JP2013101872A | ||||
| JP2010257870A | ||||
| JP2012221674A | ||||
| JP2010118354A | ||||
| JP2004199979A | ||||
| JP2004063341A | ||||
| JP2004044458A | ||||
| JP2004071471A | ||||
| JP2015103329A |
Foreign References:
| WO2010079561A1 | ||||
| EP1686643A1 |
Attorney, Agent or Firm:
Patent Service Corporation Taiyo International Patent Office