摘要:
A fuel cell system (100) includes: a hydrogen generator (2) including a reformer (3); a combustor (5) configured to supply heat to the reformer (3); a fuel cell (1); a first channel (10); a second channel (8); a third channel (16) through which an oxidation gas flows, the oxidation gas being supplied to the first channel (10) extending between a branch portion (10a) and the fuel cell (1); a first on-off valve (7a) provided on the first channel (10) located downstream of a meeting portion (10c); a second on-off valve (6) provided on the second channel (8); an oxidation gas supply unit (15) provided on the third channel (16); and a controller (200) configured such that when the first on-off valve (7a) is closed and the second on-off valve (6) is opened, and a hydrogen-containing gas is discharged from the hydrogen generator (2) at the time of start-up, the controller (200) activates the oxidation gas supply unit (15) to supply the oxidation gas through the third channel (16) to the first channel (10) located downstream of the branch portion (10c).
摘要:
A fuel cell system (100) includes: a hydrogen generator (2) including a reformer (3); a combustor (5) configured to supply heat to the reformer (3); a fuel cell (1); a first channel (10); a second channel (8); a third channel (16) through which an oxidation gas flows, the oxidation gas being supplied to the first channel (10) extending between a branch portion (10a) and the fuel cell (1); a first on-off valve (7a) provided on the first channel (10) located downstream of a meeting portion (10c); a second on-off valve (6) provided on the second channel (8); an oxidation gas supply unit (15) provided on the third channel (16); and a controller (200) configured such that when the first on-off valve (7a) is closed and the second on-off valve (6) is opened, and a hydrogen-containing gas is discharged from the hydrogen generator (2) at the time of start-up, the controller (200) activates the oxidation gas supply unit (15) to supply the oxidation gas through the third channel (16) to the first channel (10) located downstream of the branch portion (10c).
摘要:
A fuel cell system according to the present invention comprises a hydrogen generator including a burner which is detachably accommodated in the hydrogen generator in a manner to allow the burner to be detached from and attached to the hydrogen generator through the top of the hydrogen generator, a stack configured to generate power by causing hydrogen generated by the hydrogen generator and an oxidizing gas to react with each other, and a main body package which includes at least a top plate and within which the hydrogen generator and the stack are disposed. Detachable piping, which is detachably configured, is provided above the hydrogen generator. Space that is formed above the burner when the detachable piping is removed from the main body package has a size larger than or equal to the size of the burner.
摘要:
A power generation system of the present invention comprises a fuel cell system (101), a gas supply device, a controller (102), a combustion device (103), an exhaust passage (70), a gas passage used to supply a gas supplied from the gas supply device to the exhaust passage (70), and a back-flow preventing device (20) placed in the gas passage or the exhaust passage (70), and the controller (102) executes an operation for relieving a state in which a valve element remains incapable of moving away from a valve seat in the back-flow preventing device (20) in such a manner that the gas supply device is operated so that a differential pressure between an upstream side and a downstream side of the back-flow preventing device (20) becomes a value equal to or greater than the predetermined time which can relieve the state in which valve element remains incapable of moving away from the valve seat, during a shut-down state or at start-up of the fuel cell system (101).
摘要:
A fuel cell system according to the present invention includes: a hydrogen generator (12) including a burner (4) which is detachably accommodated in the hydrogen generator (12) in a manner to allow the burner (4) to be detached from and attached to the hydrogen generator (12) through the top of the hydrogen generator (12); a stack (5) configured to generate power by causing hydrogen generated by the hydrogen generator (12) and an oxidizing gas to react with each other; and a main body package (1) which includes at least a top plate (2) and within which the hydrogen generator (12) and the stack (5) are disposed. Detachable piping (31), which is detachably configured, is provided above the hydrogen generator (12). Space that is formed above the burner (4) when the detachable piping (31) is removed from the main body package (1) has a size larger than or equal to the size of the burner.
摘要:
A power generation system includes: an air intake passage; a fuel cell system that includes a fuel cell; a case configured to house the fuel cell, a ventilator (air supply unit), and an air intake temperature detector configured to detect a temperature of the intake air supplied to the case; a combustion device that includes a combustor; an exhaust gas passage configured to discharge a flue gas generated in the combustion device to the outside; and a controller. The air intake passage and the exhaust gas passage are configured to allow heat exchange to occur between media flowing through the passages. The controller causes the combustion device to operate when the fuel cell system is activated and the temperature detected by the air intake temperature detector is equal to or lower than a first predetermined temperature.
摘要:
A power generator according to the present invention includes a fuel cell system (101), a combustion system (102), and a controller (103). The fuel cell system (101) includes: a fuel cell (11); a reformer (10) configured to generate a fuel through a reforming reaction between a first raw material containing a hydrocarbon and a second raw material which is water or an oxidant; a first raw material supply device (12); a second raw material supply device (13); and an oxidant supply device (14). The combustion system (102) includes: a first combustor (21); a third raw material supply device (22); a first air supply device (23); and a frame rod (24). The controller (103) controls the first raw material supply device (12) and the second raw material supply device (13) based on an amount of the first raw material supplied to the first combustor (21) and an ionizing current value, such that an amount of the first raw material supplied to the reformer (10) and an amount of the second raw material supplied to the reformer (10) are in a predetermined ratio.
摘要:
A power generation system of the present invention comprises a fuel cell system (101), a gas supply device, a controller (102), a combustion device (103), an exhaust passage (70), a gas passage used to supply a gas supplied from the gas supply device to the exhaust passage (70), and a back-flow preventing device (20) placed in the gas passage or the exhaust passage (70), and the controller (102) executes an operation for relieving a state in which a valve element remains incapable of moving away from a valve seat in the back-flow preventing device (20) in such a manner that the gas supply device is operated so that a differential pressure between an upstream side and a downstream side of the back-flow preventing device (20) becomes a value equal to or greater than the predetermined time which can relieve the state in which valve element remains incapable of moving away from the valve seat, during a shut-down state or at start-up of the fuel cell system (101).
摘要:
A power generation system includes: an air intake passage; a fuel cell system that includes a fuel cell; a case configured to house the fuel cell, a ventilator (air supply unit), and an air intake temperature detector configured to detect a temperature of the intake air supplied to the case; a combustion device that includes a combustor; an exhaust gas passage configured to discharge a flue gas generated in the combustion device to the outside; and a controller. The air intake passage and the exhaust gas passage are configured to allow heat exchange to occur between media flowing through the passages. The controller causes the combustion device to operate when the fuel cell system is activated and the temperature detected by the air intake temperature detector is equal to or lower than a first predetermined temperature.
摘要:
A power generation system of the present invention comprises: a power generation unit (1); a casing (2) that accommodates the power generation unit (1); a ventilator (3) that ventilates the interior of the casing (2); a first gas flow passage (5), arranged inside the casing (2), for a flow therethrough of gas which flows as the ventilator (3) operates; and a second gas flow passage (6), arranged inside the casing (2), for a flow therethrough of combustion exhaust gas from the power generation unit (1), wherein within the casing (2), the second gas flow passage (6) merges into the first gas flow passage (5).