KR20180075304A - Ship - Google Patents

Abstract

The present invention relates to a water supply system comprising a raw material supply unit for supplying a raw material to a hull, a raw water supply unit for supplying water to the raw water supply unit, a water supply unit for supplying water to the raw water supply unit, An air compressor, a gas turbine for producing electricity using an engine exhaust gas discharged from an engine for burning air and fuel, a steam generator for generating steam by supplying steam from the raw- (H ₂ O) produced by the steam generating unit, a branching unit for branching the steam (H ₂ O) produced by the steam producing unit, and steam generated by the branching unit (H ₂ O) for steam turbines, installed to be spaced apart from the steam turbine and the fuel cell system to generate electricity when supplied with steam (H ₂ O) branched by the branching portion, and the And a power conversion section for converting a direct current (DC) output from the fuel cell system into an alternating current (AC), wherein the fuel cell system includes a raw material processing section for pre-processing a raw material supplied from the raw material supply section, A hydrogen generator including a reformer for reforming the pretreated fuel and steam (H ₂ O) supplied from the steam production unit, and a combustor for heating the reformer, and a fuel cell including an anode, a cathode, And a fuel cell that generates electricity by including an electrolyte formed between the anode and the cathode, wherein the fuel cell exhaust gas discharged from the fuel cell is supplied to the fuel cell through the fuel cell, And the air compressor is supplied with a driving force from the gas turbine to compress the air, and the reforming Is directed to a vessel, it characterized in that the remaining residue fed steam (H ₂ O) except the steam (H ₂ O) supplied to the steam turbine in the steam generation block.

Description

Ship {Ship}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a ship for transporting people, cargo and the like from water such as river and sea to a destination.

In general, ships are used in various fields such as transportation means for transporting passengers and cargoes to destinations, fishing vessels for capturing seafood, military vessels made for military purposes, and the like, which can be moved from water using power means. These vessels produce steam (H ₂ O) using an engine for rotating a propulsion device such as a propeller, a gas turbine for producing electricity using the exhaust gas discharged from the engine, and exhaust gas discharged from the gas turbine An economizer is installed.

The gas turbine is installed to be connected to the engine through a pipeline, and is supplied with high-pressure exhaust gas discharged from the engine. The high pressure exhaust gas supplied to the gas turbine rotates the turbine blades of the gas turbine to rotate the turbine blades coupled drive shaft. The drive shaft is connected to the generator to provide a driving force to the generator, thereby allowing the generator to produce electricity.

Meanwhile, the economizer is installed to be connected to the gas turbine, and generates steam (H ₂ O) by heating the exhaust gas discharged from the gas turbine with a heat source. The economizer is included in a heat recovery steam generator that produces steam (H ₂ O) using exhaust gas. The steam (H ₂ O) produced through the economizer is used for various purposes such as heating and electric production.

The ship according to the prior art includes a steam turbine generating a driving force to generate electricity using steam (H ₂ O) produced by a circulation steam generator (HRSG) such as the economizer. The steam turbine is installed to be connected to a generator, thereby providing a driving force to the generator so that the generator can generate electricity.

Thus, the ship according to the related art produces electricity for operating the electric equipments installed on the hull by using the exhaust gas discharged from the engine.

However, there is a problem in that the ship according to the prior art can not sufficiently use various electric equipments due to the shortage of the electric production quantity produced by the gas turbine and the electric production quantity produced by the steam turbine. In addition, when a ship according to the prior art is stopped at the port, if the engine stops operating, the exhaust gas is not discharged, so that the gas turbine can not produce electricity. In this case, if the steam turbine is damaged or broken, there is a problem. Therefore, it is urgently necessary to develop a ship capable of not only increasing the electricity production amount but also preventing the electric production from being stopped even when the ship is at a berth.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a ship capable of preventing an interruption of electricity production even if the steam turbine is damaged or damaged at the time of anchorage.

In order to solve the above-described problems, the present invention can include the following configuration.

The ship according to the present invention comprises: a raw material supply unit installed in a hull and supplying raw material; A raw water supply part installed to be spaced apart from the raw material supply part and supplying water; An air compressor installed to be spaced apart from the raw water supply part and compressing air to supply air; A gas turbine for producing electricity by using engine exhaust gas discharged from an engine which mixes and burns air and fuel; A steam production unit for converting the water supplied from the raw water supply unit into steam (H ₂ O) by using the engine exhaust gas discharged from the gas turbine as a heat source; A branching portion for branching the steam (H ₂ O) produced by the steam production portion; A steam turbine for generating electricity using steam (H ₂ O) branched by the branching unit; A fuel cell system installed to be spaced apart from the steam turbine and supplied with steam (H ₂ O) branched by the branching section to produce electricity; And a power conversion unit for converting a direct current (DC) output from the fuel cell system into an alternating current (AC). The fuel cell system includes a raw material treatment unit for pre-treating a raw material supplied from the raw material supply unit, a reformer for reforming steam (H ₂ O) supplied from the raw material treatment unit and the pretreated fuel supplied from the raw material treatment unit, A hydrogen generator including a combustor for heating; And a fuel cell that generates electricity by including an anode, an anode, and an electrolyte formed between the anode and the cathode. The fuel cell exhaust gas discharged from the fuel cell may be supplied to the gas turbine so that the flow rate of the exhaust gas supplied by the gas turbine is increased. The air compressor may receive a driving force from the gas turbine to compress the air. The reformer may receive residual steam (H ₂ O) other than steam (H ₂ O) supplied to the steam turbine from the steam production unit.

The vessel according to the present invention may include a connection portion connecting the air compressor and the fuel cell to supply air compressed by the air compressor to the cathode of the fuel cell.

The ship according to the present invention may include a heating unit installed in the connection unit to heat the air supplied to the air cathode in the air compressor.

The vessel according to the present invention may include a condenser installed to be positioned between the steam turbine and the raw water supply part and condensing steam (H ₂ O) discharged from the steam turbine into water. The condensed water in the condenser may be supplied to the raw water supply unit.

The fuel cell system according to the present invention includes a raw material treatment unit for pre-treating a raw material supplied from a raw material supply unit, a pre-treated fuel supplied from the raw material treatment unit, and an engine exhaust gas discharged from an engine A reformer for reforming steam (H ₂ O) supplied from a steam producing unit for converting the engine exhaust gas discharged from the gas turbine into a steam (H ₂ O) supplied from a raw water supply unit as a heat source, A hydrogen generator including a combustor for heating the reformer; And a fuel cell that generates electricity by including an anode, an anode, and an electrolyte formed between the anode and the cathode. The fuel cell exhaust gas discharged from the fuel cell may be supplied to the gas turbine so that the flow rate of the exhaust gas supplied by the gas turbine is increased. An air compressor for compressing air to supply air can compress the air by receiving driving force from the gas turbine. The reformer is a steam (H is using the steam (H ₂ O) branched by the branching section for branching the steam (H ₂ O) by which the steam generation block production supplied to the steam turbine to generate electricity from the steam generation block ₂ O) except the rest can be supplied to the remaining steam (H ₂ O).

The fuel cell system according to the present invention may include a connection unit connecting the air compressor and the fuel cell to supply air compressed by the air compressor to the cathode of the fuel cell.

The fuel cell system according to the present invention may include a heating unit installed in the connection unit to heat air supplied from the air compressor to the cathode.

The fuel cell system according to the present invention may include a condenser installed between the steam turbine and the raw water supply unit for condensing steam (H ₂ O) discharged from the steam turbine into water. The condensed water in the condenser may be supplied to the raw water supply unit.

According to the present invention, the following effects can be obtained.

The present invention uses at least a part of steam (H ₂ O) produced from a steam producing unit for producing steam (H ₂ O) by using exhaust gas discharged from a gas turbine for fuel reforming of a fuel cell, .

The present invention is embodied to supply the exhaust gas discharged from the fuel cell to the gas turbine so that the flow rate of the exhaust gas supplied to the gas turbine can be increased to increase the amount of electricity produced and also, Since the electricity can be produced using the battery, the electric production can be prevented from being interrupted.

1 is a schematic block diagram of a ship according to the present invention;
2 is a conceptual diagram of an overall system according to the present invention
3 is a conceptual diagram of a fuel cell system according to the present invention.
FIGS. 4A and 4B are diagrams for explaining the operation of the fuel cell used in the present invention. FIG. 4A is a conceptual diagram of a solid oxide fuel cell (SOFC)
4B is a conceptual diagram of a polymer electrolyte fuel cell (PEMFC)
5 is an exemplary diagram illustrating a hydrogen generator according to an embodiment of the present invention.
6 is a conceptual diagram of a ship according to the present invention
7 is a schematic block diagram for explaining an air compressor and a fuel cell system in a ship according to the present invention;
8 is a schematic block diagram for explaining a connecting portion in a ship according to the present invention.
9 is a schematic block diagram for explaining a heating unit in a ship according to the present invention
10 is a schematic block diagram for explaining a condenser in a ship according to the present invention

It should be noted that, in the specification of the present invention, the same reference numerals as in the drawings denote the same elements, but they are numbered as much as possible even if they are shown in different drawings.

Meanwhile, the meaning of the terms described in the present specification should be understood as follows.

The word " first, "" second," and the like, used to distinguish one element from another, are to be understood to include plural representations unless the context clearly dictates otherwise. The scope of the right should not be limited by these terms.

It should be understood that the terms "comprises" or "having" does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

It should be understood that the term "at least one" includes all possible combinations from one or more related items. For example, the meaning of "at least one of the first item, the second item and the third item" means not only the first item, the second item or the third item, but also the second item and the second item among the first item, Means any combination of items that can be presented from more than one.

Hereinafter, a ship according to the present invention will be described in detail with reference to the accompanying drawings.

Fig. 1 is a schematic block diagram of a ship according to the present invention, Fig. 2 is a conceptual diagram of an overall system according to the present invention, Fig. 3 is a conceptual diagram of a fuel cell system according to the present invention, FIG. 4A is a conceptual diagram of a solid oxide fuel cell (SOFC), FIG. 4B is a conceptual diagram of a polymer electrolyte fuel cell (PEMFC), and FIG. FIG. 5 is a diagram illustrating a hydrogen generator according to an embodiment of the present invention. FIG. 6 is a conceptual view of a ship according to the present invention. Fig. 2 is a schematic block diagram for explaining the operation; Fig.

Referring to FIGS. 1 to 7, a ship 1 according to the present invention is provided with a power generation system 30 in a hull 20. The hull 20 constitutes the overall appearance of the ship 1 according to the present invention. The power generation system 30 mainly includes an engine exhaust system 100 and a fuel cell system 10. The engine exhaust system 100 may include an engine 101, an exhaust receiver 102, and a gas turbine 3. The engine (101) is installed to be connected to the gas turbine (3). Here, the engine 101 of the engine exhaust system 100 may be a diesel engine or a gas engine. The fuel cell system 10 mainly includes a fuel cell 101 and a hydrogen generation unit 102. The fuel cell system 10 may be implemented by including a control unit 103 for controlling operations of all configurations including the fuel cell 101 and the hydrogen generation unit 102 and the like.

The power generation system 30 includes an engine exhaust system 100, an air compressor 2, a raw material supply unit 4, a raw water supply unit 5, a steam production unit 6, a branch unit 7, a steam turbine 8, A power conversion section 9, and a fuel cell system 10 according to the present invention. The fuel cell system 10 according to the present invention is configured to receive fuel from the hydrogen generator 102.

The engine exhaust system 100 includes a diesel engine 101, an exhaust receiver 102 and a gas turbine 3 when the engine is a diesel engine.

The engine exhaust system 100 is a component included in a power generation system using an engine. The engine exhaust system 100 purifies the exhaust gas containing environmental pollutants such as nitrogen oxides (NOx) generated in the engine combustion chamber and recovers the heat of the exhaust gas And discharges it to the outside. In the engine exhaust system 100, a selective catalytic reduction (SCR) may be installed to reduce nitrogen oxides (NOx) and the like contained in the exhaust gas. The gas turbine 3 may be embodied including a generator (not shown) for producing electricity using high-pressure engine exhaust gas discharged from the engine 101. The gas turbine 3 is connected to the air compressor 2 via a power transmission shaft so that the driving force generated by the engine exhaust gas can be transmitted to the air compressor 2.

The engine 101 of the engine exhaust system 100 is supplied with air from the air compressor 2 and can receive fuel from the raw material supply unit 4. [ Accordingly, the engine 101 can discharge engine exhaust gas by mixing air and fuel and burning them. When the engine is a diesel engine 101, the diesel engine 101 can receive diesel fuel from the raw material supply part 4. The diesel fuel may be selected from the group consisting of marine gas oil (MGO), marine diesel oil (MDO), heavy fuel oil (HFO), methanol, dimethyl ether (DME) ) And the like.

The air compressor (2) is installed in the hull (20) and compresses air to supply air to the engine (101). Normally, air means a gas including nitrogen, oxygen, carbon dioxide and the like, but also includes the case where all gases other than oxygen such as nitrogen or carbon dioxide, or both gases are removed from the air. The air compressor 2 may be implemented with an air storage tank and a device (for example, a blower) for supplying air from the air storage tank. As another example, the air compressor 2 may be configured to supply external air to be compressed and then to supply compressed high-pressure air or at normal pressure. The air compressor (2) is connected to the gas turbine (3) by a power transmission shaft so that it can be supplied with a driving force from the gas turbine (3). Accordingly, the air compressor 2 can compress air by the driving force provided by the gas turbine 3 without a separate power device for compressing the air. The air compressor 2 may be connected to the fuel cell 101 via a connection unit 11 to be described later to supply the compressed air to the fuel cell 101.

The gas turbine 3 is for producing electricity using engine exhaust gas discharged from the engine 101. The gas turbine 3 may be connected to the engine 101 through a conduit. Accordingly, the gas turbine 3 can be supplied with the engine exhaust gas from the engine 101. The gas turbine 3 may be embodied including a diaphragm, a rotor, a bucket, and a generator. The diaphragm is provided with a fixed blade, and the bucket is provided with a rotor blade. The fixed wing changes the direction of the engine exhaust gas supplied from the engine 101 and guides it to the flywheel. The flywheel generates a rotational force by the engine exhaust gas derived from the fixed wing and rotates the rotor. The rotor is installed to be connected to the generator. The generator can produce electricity as the rotor rotates. Accordingly, the gas turbine 3 can produce electricity from the engine exhaust gas supplied from the engine 101. [ The electricity produced by the gas turbine 3 may be supplied to an electrical equipment or an energy storage device, for example a battery. The gas turbine 3 changes the amount of electricity produced according to the pressure of the engine exhaust gas supplied from the engine 101. For example, when the pressure of the engine exhaust gas supplied from the engine 101 is high, the gas turbine 3 can rotate the rotor more quickly, thereby increasing the electric production amount. The pressure of the exhaust gas supplied to the gas turbine 3 can be increased as the flow rate of the exhaust gas is increased. The vessel 1 according to the present invention is configured to supply the fuel cell exhaust gas discharged from the fuel cell system 10 to the gas turbine 3 so that when the gas turbine 3 is supplied with only the engine exhaust gas It is possible to further increase the electricity production amount. The fuel cell exhaust gas discharged from the fuel cell system 10 may be supplied to the gas turbine 3 while being joined with the engine exhaust gas before being supplied to the gas turbine 3, Gas may be directly supplied to the gas turbine 3 through a separate conduit from the gas.

The raw material supply unit 4 includes a raw material storage tank, and supplies the raw material from the raw material storage tank. For example, the raw material is a hydrocarbon-based material and is a mixture of natural gas (LNG), liquefied petroleum gas (LPG), methanol (CH ₃ OH), ethanol (C ₂ H ₅ OH) And may be a liquid raw material having a relatively high molecular weight such as dimethyl ether, methane gas, hydrogen purification off gas, pure hydrogen, and marine gas oil (MGO), marine diesel oil (MDO), and general heavy oil (HFO).

For example, when the power generation system 30 is applied to an automobile, the raw material supply section 4 is implemented including a gas storage tank and a device (for example, a pump) for supplying gas from the gas storage tank. As another example, when the power generation system 30 is applied to an LNG carrier, the raw material supply unit 4 is implemented including an LNG storage tank and an apparatus for providing evaporative gas generated in the LNG storage tank. As another example, when the power generation system 30 is applied to a diesel engine ship, the raw material supply unit 4 is implemented including a diesel fuel storage tank and an apparatus for supplying diesel fuel from the diesel fuel storage tank.

The raw water supply part 5 may be implemented by including a raw water storage tank and a device (for example, a pump) for supplying raw material water from the raw water storage tank. The raw water may be, for example, water (constant water), fresh water, or seawater. As another example, the raw water may be impurity-treated water or ion-removed water in fresh water or seawater. As another example, the raw water may be water in the state where impurities are removed from fresh water or seawater. The raw water supply part 5 may be connected to the steam production part 6 through a pipe such as a pipe or a pipe. Accordingly, the raw water supply part 5 can supply water to the steam production part 6. [ The pipeline may be provided with a transfer device such as a pump for generating a transfer force for transferring water.

The steam production unit 6 is for producing steam (H ₂ O) using engine exhaust gas discharged from the gas turbine 3. The steam production unit 6 may be an economizer. The steam production unit 6 may include an evaporator 61 for evaporating water and a heater for heating the air. The steam production unit 6 is installed between the water tank 5 and the steam turbine 8. [ The steam producing unit 6 can receive water from the water tank 5 (shown in FIG. 7) by a pump or the like. The steam producing unit 6 heats the water supplied from the water tank 5 with waste heat of engine exhaust gas discharged from the gas turbine 3 as a heat source to change the phase of the water into steam (H ₂ O) H ₂ O). Accordingly, the steam production unit 6 can supply steam (H ₂ 0) to the steam turbine 8. The engine 101 is installed to be connected to the raw material supply part 4, and can generate driving force by receiving raw materials including hydrogen. In this case, the hydrogen-containing raw material may be a raw material such as marine gas oil (MGO), marine diesel oil (MDO), general heavy oil (HFO), methanol, dimethyl ether (DME), and liquefied petroleum gas have. The engine 101 is installed to be connected to the steam production unit 6 and can discharge the engine exhaust gas to the steam production unit 6. An exhaust receiver 102 may be installed between the engine 101 and the steam production unit 6. The steam production section 6 is installed between the gas turbine 3 and the exhaust outlet. The exhaust receiver 102 is a conduit through which the engine exhaust gas of the engine 101 is discharged. A gas turbine (3) may be installed between the steam production unit (6) and the exhaust receiver (102). Although not shown, a selective catalytic reduction (SCR) for reducing the nitrogen oxide (NOx) contained in the engine exhaust gas discharged from the gas turbine 3 is installed at the rear end of the gas turbine 3 . The engine exhaust gas discharged from the gas turbine (3) is discharged to the outside through the steam production section (6). The steam production unit 6 includes an inlet pipe, a high-pressure evaporator, an intermediate pipe, a low-pressure evaporator, and an outlet pipe. The inlet pipe is connected to the gas turbine (3) and guides the engine exhaust gas discharged from the engine (101) to the high pressure evaporator. The intermediate pipe guides the engine exhaust gas after heat exchange in the high-pressure evaporator to the low-pressure evaporator. The outlet pipe guides the engine exhaust gas after heat exchange in the low pressure evaporator to the exhaust outlet. The water supplied from the water tank 5 is heat-exchanged with the high-temperature engine exhaust gas discharged from the engine 101 through the high-pressure evaporator and the low-pressure evaporator. The phase-changed steam H ₂ 0 is supplied to the steam turbine 8 as heat is exchanged in the steam production unit 6. The steam H ₂ 0 supplied to the steam turbine 8 can be used to produce electricity. A steam generator (7) may be installed between the steam generator (6) and the steam turbine (8).

The branching section 7 is for branching the steam H ₂ 0 produced by the steam production section 6. The branching unit 7 is connected to the steam generator 8 so that the steam H ₂ 0 produced by the steam production unit 6 is supplied to the steam turbine 8 and the reformer 1022, H ₂ 0) can be branched. For example, the branch portion 7 may be connected to the steam production unit 6, the steam turbine 8, and the reformer 1022 through pipes such as pipes or pipes, respectively. The branch portion 7 opens or closes the flow path of the channels so that the steam H ₂ 0 produced by the steam production portion 6 flows into at least one of the steam turbine 8 and the reformer 1022 . The branch portion 7 may be a three-way valve. Accordingly, the steam turbine 8 can receive a part of the steam H ₂ 0 produced by the steam production unit 6. The reformer 1022 may receive residual steam H ₂ 0 other than the steam H ₂ 0 supplied to the steam turbine 8. When the steam turbine 8 is damaged or broken, the branching part 7 cuts off the steam H ₂ 0 supplied to the steam turbine 8 by regulating the opening degree, So that the steam H ₂ 0 produced by the production unit 6 can be completely supplied. Accordingly, the reformer 1022 is supplied with a greater amount of steam (H ₂ 0) than before the steam turbine 8 is damaged or broken, so that hydrogen for supplying the fuel cell 101 More fuel can be produced. Therefore, even if the steam turbine 8 is damaged or broken at the time of berth, the ship 1 according to the present invention can continuously generate electricity, so that the electricity production can be prevented from being interrupted have.

The steam turbine 8 is for generating electricity using steam H ₂ 0. The steam turbine 8 may be connected to the branch 7 through a conduit. Accordingly, the steam turbine 8 can receive the steam H ₂ 0 from the branch portion 7. The steam turbine 8 may include a diaphragm, a rotor, a bucket, and a generator. The diaphragm is provided with a fixed blade, and the bucket is provided with a rotor blade. The fixed wing changes the direction of the steam (H ₂ 0) supplied from the branch portion (7) and guides it to the rotor blade. The rotor blade generates a rotating force by the steam (H ₂ 0) . The rotor is installed to be connected to the generator. The generator can produce electricity as the rotor rotates. Accordingly, the steam turbine 8 can generate electricity using steam (H ₂ 0) supplied from the branching section (7). The electricity generated by the steam turbine 8 may be supplied to an electric equipment or an energy storage device, for example, a battery. The electricity production amount of the steam turbine 8 varies depending on the pressure of the steam H ₂ 0 supplied from the branching unit 7, that is, the steam pressure. For example, when the steam pressure supplied from the branch portion 7 is high, the steam turbine 8 can rotate the rotor faster, thereby increasing the amount of electricity produced. Steam (H ₂ 0) discharged from the steam turbine (8) can be supplied to the water tank (5).

The power conversion unit 9 converts a direct current (DC) output from the fuel cell system 10 according to the present invention into an alternating current (AC). The power conversion unit 9 includes a DC-DC converter for boosting or reducing the output voltage of the fuel cell system 10 according to the present invention, and a DC-AC converter for converting a direct current (DC) to an alternating current An inverter or the like. The power conversion section 9 discharges the electric power supplied from the fuel cell system 10 according to the present invention to the electric power load. The electric power load can be, for example, in-ship electrical equipment such as a ship's basic electrical equipment and cargo-system electrical equipment in the case of a ship. Although not shown, the power conversion section 9 may be implemented to transmit and store electricity to an energy storage device, for example, a battery.

In this specification, the term " ship " is not limited to a structure for navigating a watercraft, and includes not only a structure for navigating a watercraft, but also a floating oil production storage and unloading facility (FPSO) It includes the same sea structure.

The fuel cell system 10 according to the present invention produces electricity using fuel, water (H ₂ O), and air. The fuel cell system 10 according to the present invention can be used in small structures such as homes and automobiles, and can be used in large structures such as ships. The fuel cell system 10 according to the present invention may be implemented to operate in conjunction with a diesel engine, a gas engine, a steam turbine, a gas turbine, or a Rankine Cycle system using the combustion energy of fuel.

Hereinafter, the fuel cell system 10 according to the present invention will be described in detail with reference to the accompanying drawings.

2 to 7, the fuel cell system 10 according to the present invention includes a fuel cell 101, and a hydrogen generation unit 102. [ The fuel cell system 10 according to the present invention may be implemented by including a control unit 103 for controlling all operations including the fuel cell 101, the hydrogen generation unit 102, and the like. In this specification, the raw material and the raw water that are introduced into the hydrogen generating unit 102 and the fuel that is generated in the hydrogen generating unit 102 and flows into the fuel cell 101 are defined as the fuel.

The fuel cell 101 is supplied with the hydrogen-containing fuel from the hydrogen generator 102 and can generate electricity through an electrochemical reaction. For example, the fuel cell 101 can generate electricity through an electrochemical reaction with air supplied from an air supply unit (not shown) by receiving fuel containing hydrogen from the reformer 1022. The fuel cell 101 is implemented including a fuel cell stack. The fuel cell stack has an electrolyte layer formed between a cathode and an anode and a separator for supplying hydrogen and supplying air and recovering heat to the anode and the cathode And the unit cell modules are connected in series by the required number of units.

The fuel cell (101) is a temperature sensor and a device for maintaining temperature. That is, a heater or a cathode fan, a fuel electrode fan, a cooling plate, or the like. The temperature sensor senses the temperature of the fuel cell stack, the temperature of the cathode, and the temperature of the anode. The heater can heat the fuel cell to maintain the temperature required for the operation. The air cathode fan dissipates heat generated at the cathode of the fuel cell stack. The fuel electrode fan dissipates the heat generated from the anode of the fuel cell stack. The air cathode fan and the anode cathode fan may be implemented as a part of a heat exchanger used in a fuel cell stack.

When the fuel cell system 10 according to the present invention includes the control unit 103, the control unit 103 controls the heater, the cathode fan, and the anode electrode fan using the signal output from the temperature sensor, ) Is appropriately maintained. For example, the control unit 103 maintains the operation temperature of the phosphoric acid fuel cell (PAFC) at 190 to 210 DEG C, maintains the operation temperature of the MCFC at 550 to 650 DEG C, In the case of oxide fuel cells (SOFC), the operating temperature is maintained at 650 to 1000 ° C. For polymer electrolyte fuel cells (PEMFC), the operating temperature is maintained at 30 to 80 ° C.

Hereinafter, the operation of the fuel cell 101 provided in the fuel cell system 10 according to the present invention will be described with reference to FIGS. 4A and 4B. FIG. 4A is a conceptual diagram of a solid oxide fuel cell (SOFC)), and FIG. 4B is a conceptual diagram of a polymer electrolyte fuel cell (PEMFC).

4A, a solid oxide fuel cell (SOFC) 1011 has a structure in which oxygen ions generated by a reduction reaction of oxygen in a cathode 1011a are supplied to an anode 1011b through an electrolyte 1011c, . A fuel containing hydrogen (H ₂ ) flows in the anode 1011b and oxygen ions O ^2- and hydrogen H ₂ moved to the anode 1011b through the electrolyte 1011c. It reacts electrochemically with water (H ₂ 0) and the electron (e ^-) is generated. Since electrons are consumed at the cathode 1011a, electricity flows when the cathode 1011a and the anode 1011b are connected to each other.

The SOFC 1011 includes an electrochemically unreacted material such as carbon monoxide (CO) and carbon dioxide (CO ₂ ) that can be contained in the fuel supplied to the anode 1011b and unreacted hydrogen (H ₂ ) and to discharge the water (H ₂ 0 as a liquid or gaseous), such as residual material and reaction product. In addition, unreacted oxygen and nitrogen are discharged from the cathode 1011a of the solid oxide fuel cell (SOFC) 1011.

Referring to Figure 4b a polymer electrolyte fuel cell (PEMFC) (1012) is a fuel electrode (anode) (1012a) catalyst layer (1012b) of hydrogen (H ₂₎ is a hydrogen ion (H ⁺⁾ and electrons (e ^-) in the formed in the generation by do. The hydrogen ion (H ⁺ ) moves to the cathode (cathode) 1012d through the polymer electrolyte membrane (Polymer Membrane) 1012c. The polymer electrolyte fuel cell (PEMFC) 1012 reacts with hydrogen ions (H ⁺ ) and oxygen (O ₂ ) in the catalyst layer 1012e formed on the cathode 1012d to produce water (H ₂ O). When the catalyst layer 1012b formed on the anode 1012a and the catalyst layer 1012e formed on the cathode 1012d are connected to each other, electricity flows.

The polymer electrolyte fuel cell (PEMFC) 1012 discharges residual material such as unreacted hydrogen (H ₂ ) from the catalyst layer 1012b of the anode 1012a. In addition, the polymer electrolyte fuel cell (PEMFC) 1012 discharges unreacted oxygen and water (H ₂ O) from the cathode 1012d.

Other molten carbonate fuel cell (MCFC) is a fuel electrode (anode) of hydrogen (H ₂₎ and carbonate ions (CO ₃ ^2-) in the reaction water (H ₂ O) and carbon dioxide (CO _2), electron (e ^-) in the Is generated. The generated carbon dioxide (CO ₂ ) is sent to the cathode, and carbon dioxide (CO ₂ ) and oxygen (O ₂ ) react with each other at the cathode to produce carbonate ion (CO ₃ ^-2 ). Carbonate ions (CO ₃ ^-2 ) migrate through the electrolyte to the anode. In a molten carbonate fuel cell (MCFC), carbon dioxide (CO ₂ ) generated in the process of generating electricity can be implemented to be circulated in the fuel cell without being discharged to the outside.

2 to 7, the hydrogen generating unit 102 includes an apparatus for generating a fuel, that is, hydrogen (H ₂ ) gas, necessary for the anode of the fuel cell 101 using a raw material. In the present specification, the raw material and the raw water, which are introduced into the hydrogen generating unit 102, and the fuel which is generated in the hydrogen generating unit 102 and flows into the fuel cell 101 are defined as the fuel.

The hydrogen generator 102 may be designed to have various structures depending on the type of the fuel cell 101 or for improving the electricity generation efficiency. For example, when the fuel cell 101 is a phosphoric acid type fuel cell (PAFC) or a solid oxide fuel cell (SOFC), the hydrogen generation unit 102 may include a reformer and a combustor . In another example, when the fuel cell 101 is a molten carbonate fuel cell (MCFC) or a polymer electrolyte fuel cell (PEMFC), the hydrogen generating unit 102 may include a reformer and a combustor as well as a water gas shift reactor , ≪ / RTI > WGS).

The water gasification reactor (WGS) may be a high temperature shift reactor (HTS), a mid-temperature shift reactor (MTS), a low-temperature shift reactor (LTS) Or a carbon monoxide remover. The carbon monoxide remover may include a selective oxidation reactor (PROX) for burning and removing only carbon monoxide (CO), or a methanation reactor for reducing carbon monoxide (CO) to hydrogen (H ₂ ) .

Referring to FIG. 5, an example of the hydrogen generator 102 in the fuel cell system 10 according to the present invention will be described as follows.

The hydrogen generator 102 may include a raw material processor 1021, a reformer 1022, and a combustor 1023.

The raw material processing section 1021 preprocesses the raw material supplied from the raw material supply section 4 including the raw material storage tank. For example, the material processing unit 1021 may be implemented with an LNG evaporator that evaporates the liquefied natural gas supplied from the fuel storage tank. When the raw material is a liquid raw material having a relatively high molecular weight such as Marine Gas Oil (MGO), Marine Diesel Oil (MDO), Heavy Fuel Oil (HFO), etc., 1021 may include a heater for heating the marine gas oil (MGO), a marine diesel oil (MDO), or a heavy oil (HFO), and a methanizer for generating methane (CH ₄ ) by catalyzing the heated raw material Can be implemented. The raw material treatment unit 1021 may include a filter for removing impurities contained in the raw material, and a desulfurizer for removing sulfide.

The reformer (Reformer) (1022) includes a hydrogen (H ₂₎ to proceed with the reforming reaction of the steam (H ₂ 0) supplied from the pre-treated fuel, and the steam generation block (6) supplied from the raw material processing unit 1021 To generate reformed gas. In the reforming reaction, the reformer 1022 may utilize the thermal energy provided by the combustor 1023. Hereinafter, the reforming gas from the reformer 1022 is defined as fuel.

The reformer 1022 is implemented by including a reforming catalyst layer that triggers a reforming reaction. The reforming catalyst layer has a structure in which the reforming catalyst is packed with a catalyst supported on the carrier. The reforming catalyst is composed of nickel (Ni), ruthenium (Ru), platinum (Pt) or the like. The shape of the carrier carrying the catalyst may be, for example, granular, pellet or honeycomb, Resistant metal such as alumina (Al ₂ O ₃ ), titania (TiO ₂ ), or the like.

In the fuel cell system 10 according to the present invention, the reformer 1022 may be installed outside the fuel cell 101. In this case, the fuel cell 101 is implemented as an external reforming type. In the fuel cell system 10 according to the present invention, the reformer 1022 may be installed in the form of a reforming catalyst layer in the fuel cell 101. In this case, the fuel cell 101 is implemented as an internal reforming type.

The combustor 1023 provides heat to the reformer 1022 so that the reforming reaction proceeds smoothly. When the reformer heating temperature by the combustor 1023 is low, the reforming reaction by the endothermic reaction of the reformer 1022 does not progress well and moisture (water droplets) is generated in the reformer 1022 . When the heating temperature of the combustor 1023 is high, the catalytic activity of the reforming catalyst layer of the reformer 1022 may be lowered.

The combustor 1023 is connected to the raw material pretreated in the raw material treatment section 1021, the exhaust gas discharged from the anode of the fuel cell stack of the fuel cell 101, Can be used as the fuel. The combustor 1023 can use the air supplied from the air supply unit or the air compressor 2. In the fuel cell system 10 according to the present invention, the combustor 1023 may further use air discharged from the cathode of the fuel cell stack of the fuel cell 101.

Although not shown, the hydrogen generator 102 may further include one or more temperature sensors, and the temperature sensor detects the temperature of the reformer 1022. The temperature of the reformer 1022 is controlled by the conditions of the reformer 1022 and the mixture ratio of the fuel pretreated in the raw material treatment section 1021 and steam (H ₂ O) The range changes. When the fuel cell system 10 according to an embodiment of the present invention includes the control unit 103 (shown in FIG. 3), the control unit 103 controls the combustor 1023 The temperature of the reformer 1022 is controlled by increasing or decreasing the amount of raw material combustion. For example, the control unit 103 may be configured to control the temperature within a range of about ± 20 ° C. with respect to the optimum temperature range.

Here, the gas generated through the reforming reaction in the reformer 1022 includes not only hydrogen (H ₂ ) but also carbon monoxide (CO), carbon dioxide (CO ₂ ) and the like. When the fuel cell 101 is a polymer electrolyte fuel cell (PEMFC), carbon monoxide (CO) poison the electrode catalyst of the fuel cell stack of the polymer electrolyte fuel cell (PEMFC) to shorten the life of the fuel cell 101. In order to reduce the concentration of carbon monoxide (CO) to 10-20 ppm or less, the hydrogen generating unit 102 may further include an aqueous gasification reactor (WGS)

The water gasification reactor (WGS) 1024 reacts with carbon monoxide (CO) and steam (H ₂ O) to produce carbon dioxide (CO ₂ ) and hydrogen (H ₂ ). The water gasification reactor (WGS) 1024 may be implemented with a high temperature water gasification reactor (HTS) and a low temperature aqueous gasification reactor (LTS) as shown in FIG.

The optimum temperature of the high temperature aqueous gasification reactor (HTS) and the low temperature aqueous gasification reactor (LTS) varies depending on the type of the catalyst used and the composition of the gas discharged by the equilibrium of the control temperature is determined. Although not shown in FIG. 5, a cooler and a temperature sensor may be installed in the high temperature aqueous gasification reactor (HTS) and the low temperature aqueous gasification reactor (LTS), respectively. When the fuel cell system 10 according to the present invention includes the control unit 103 (shown in FIG. 3), the control unit 103 controls the cooler using the signal output from the temperature sensor, (HTS) and the temperature of the low temperature aqueous gasification reactor (LTS). For example, the high temperature aqueous gasification reactor (HTS) is controlled within a range of 300 to 430 ° C, and the low temperature aqueous gasification reactor (LTS) is controlled within a range of 200 to 250 ° C.

Although not shown, the water gasification reactor (WGS) 1024 may include a carbon monoxide remover. The carbon monoxide remover removes a very small amount of carbon monoxide (CO) that is not completely treated in the low temperature aqueous gasification reactor (LTS) at the end of the low temperature water gasification reactor (LTS). The carbon monoxide remover includes a selective oxidation unit (PROX), which receives air from an air supply unit and burns only the carbon monoxide (CO) in the gas discharged from the low temperature aqueous gasification reactor (LTS) H ₂ ) to reduce the concentration thereof.

The selective oxidation reactor (PROX) is equipped with a cooler and a temperature sensor. In the case where the fuel cell system 10 according to the embodiment of the present invention includes the control unit 103 (shown in FIG. 3), the control unit 103 controls the cooler using a signal output from the temperature sensor The temperature of the selective oxidation reactor (PROX) is controlled. For example, the selective oxidation reactor (PROX) is controlled within the range of 120 to 160 占 폚. However, the optimal temperature of the selective oxidation reactor (PROX) is set differently depending on conditions such as the type of catalyst used and the method of use.

The catalyst layer of the selective oxidation reactor (PROX) is composed of a structure filled with a carrier carrying a selective oxidation catalyst. The selective oxidation catalyst is made of platinum (Pt) or the like, and the shape of the support carrying the catalyst may be, for example, a granular shape, a pellet shape, a honeycomb shape, etc. The material constituting the support may be alumina (Al ₂ O ₃ ) , Magnesium oxide (MgO), and the like.

Hereinafter, a ship 1 according to the present invention will be described in detail with reference to the accompanying drawings. Since the fuel cell system 10 according to the present invention is included in the vessel 1 according to the present invention, the vessel 1 according to the present invention will be described together.

FIG. 6 is a schematic block diagram of a ship according to the present invention, FIG. 7 is a schematic block diagram for explaining an air compressor and a fuel cell system in a ship according to the present invention, and FIG. Fig. 9 is a schematic block diagram for explaining a heating unit in a ship according to the present invention, and Fig. 10 is a schematic block diagram for explaining a condenser in a ship according to the present invention. 1 to 5, the same reference numerals are used.

6 and 7, a ship 1 according to the present invention includes an engine exhaust system 100, an air compressor 2, a fuel storage tank 4, a water tank 5, a steam production unit 6, A steam turbine 8, a power conversion section 9 and a fuel cell system 10 according to the present invention. The engine exhaust system 100 may include an engine 101, an exhaust receiver 102, and a gas turbine 3. The fuel cell system 10 may include a fuel cell 101, a hydrogen generator 102, and a controller 103. The hydrogen generating unit 102 may include a raw material processing unit 1021, a reformer 1022, and a combustor 1023. [ The fuel cell 101 may include an anode 1011b that receives fuel and a cathode 1011a that receives air. The fuel cell exhaust gas discharged from the fuel cell 101 may be supplied to the gas turbine 3. The air compressor (2) is capable of compressing air by receiving driving force from the gas turbine (3). The reformer 1022 may receive residual steam H ₂ O from the steam production unit 6 except steam H ₂ O supplied to the steam turbine 8.

In the ship 1 according to the present invention, the engine 101, the exhaust receiver 102, the air compressor 2, the gas turbine 3, the fuel storage tank 4, the water tank (not shown) 5, the steam production section 6, the branch section 7, the steam turbine 8, the power conversion section 9, and the fuel cell system 10 according to the present invention are described above, The configuration and effects according to the embodiment will be described.

6 and 7, in the fuel cell system 10 according to the present invention, the fuel cell 101 may be connected to the gas turbine 3 through a channel. Accordingly, the gas turbine 3 can receive the fuel cell exhaust gas discharged from the fuel cell 101. In this case, the fuel cell exhaust gas may be discharged from at least one of the cathode 1011a and the anode 1011b. The fuel cell exhaust gas discharged from the fuel cell 101 may be directly supplied to the gas turbine 3 but is not limited thereto and may be an exhaust gas supplied from the front end of the gas turbine 3 to the gas turbine 3, And may be supplied to the gas turbine 3 after being combined with the exhaust gas. Therefore, the fuel cell system 10 according to the present invention can increase the flow rate of the exhaust gas to be supplied to the gas turbine 3, so that the gas turbine 3 is supplied with a larger amount of Electricity can be produced.

Referring to FIGS. 6 and 7, in the fuel cell system 10 according to the present invention, the air compressor 2 may be connected to the gas turbine 3. For example, the air compressor 2 may be connected to the gas turbine 3 via a power transmission shaft. Accordingly, when the gas turbine 3 is rotated by the engine exhaust gas discharged from the engine 101, the air compressor 2 receives the driving force from the gas turbine 3 and compresses the air . The air compressed in the air compressor (2) can be supplied to the engine (101). Accordingly, since the fuel cell system 10 according to the present invention does not need to separately provide a driving device for generating driving force for compressing air in supplying air to the engine 101, it is possible to reduce the construction cost The space utilization of the hull 20 can be increased.

6 and 7, in the fuel cell system 10 according to the present invention, the reformer 1022 includes steam (H ₂ 0) supplied from the steam production unit 6 to the steam turbine 8, The remaining steam (H ₂ 0) can be supplied. The reformer 1022 can receive the steam H ₂ 0 from the steam producing unit 6 through the branching unit 7 installed in the duct connecting the steam producing unit 6 and the steam turbine 8 . The reformer 1022 can receive at least a portion of the steam H ₂ 0 produced by the steam production unit 6 so that the fuel cell system 10 according to the present invention can supply the reformed gas to the fuel cell 101, Can produce electricity. Therefore, the fuel cell system 10 according to the present invention can achieve the following operational effects.

First, the fuel cell system 10 according to the present invention is configured such that the reformer 1022 can receive some or all of the steam H ₂ 0 from the steam production unit 6, ₂ 0), it is not necessary to separately provide a steam supply device. Accordingly, the fuel cell system 10 according to the present invention not only can reduce the construction cost consumed in producing electricity, but also can increase the space utilization.

Secondly, the fuel cell system 10 according to the present invention can further generate electricity by the fuel cell 101 separately from the gas turbine 3 and the steam turbine 8, have.

Thirdly, at least one of the steam turbine 8 and the reformer 1022 is connected to the steam generator H ₂ 0 produced by the steam generator 6 through the branching section 7, Can be supplied. Accordingly, the fuel cell system 10 according to the present invention can continuously generate electricity even if the steam turbine 8 is damaged or damaged when the ship 1 is stuck in the port, have.

8, the ship 1 according to the present invention may further include a connection portion 11. [

The connecting portion 11 is for supplying air to the cathode 1011a of the fuel cell. The connection unit 11 may be a pipe such as a pipe or a pipe so that the air can move. One side of the connection portion 11 may be connected to the air compressor 2 and the other side may be connected to a cathode 1011a of the fuel cell. The connecting portion 11 may be connected to one side of the connecting portion 11 so as to communicate with the duct connecting the air compressor 2 and the engine 101. Accordingly, the connection unit 11 can supply air compressed by the air compressor 2 to the cathode 1011a. Therefore, the fuel cell system 10 according to the present invention can supply the air compressed by the air compressor 2 to the cathode 1011a through the connection portion 11, It is not necessary to provide a separate air supply device for supplying air to the outdoor units 1011a, 1011a, thereby reducing the construction cost and operating cost for the electricity production.

Referring to FIG. 9, the ship 1 according to the present invention may further include a heating unit 12.

The heating unit 12 is for heating the air supplied from the air compressor 2 to the cathode 1011a. The heating unit 12 may be installed in the connection unit 11 between the air compressor 2 and the fuel cell 101. Accordingly, the heating unit 12 can supply compressed air from the air compressor 2, heat it, and supply the heated air to the cathode 1011a. The heating unit 12 may be an electric heater or a heat exchanger.

When the heating unit 12 is an electric heater, the heating unit 12 can heat the air using electricity. For example, the heating unit 12 may heat the air supplied to the cathode 1011a by raising the temperature of the heating member such as a heating wire by using electricity and bringing the heating member into contact with the air.

When the heating unit 12 is a heat exchanger, the heating unit 12 can receive the fuel cell exhaust gas discharged from the fuel cell 101. The heating unit 12 may heat the air supplied to the cathode 1011a using the fuel cell exhaust gas discharged from the fuel cell 101 as a heat source. For example, the heating unit 12 may include a duct connecting the air compressor 2 and the cathode 1011a, and a duct connecting the fuel cell 101 and the gas turbine 3, So that the air and the fuel cell exhaust gas can exchange heat with each other to heat the air. The heating unit 12 may be connected to the combustor 1023 to heat the air supplied to the cathode 1011a with the combustion exhaust gas discharged from the combustor 1023 as a heat source.

Accordingly, in the fuel cell system 10 according to the present invention, the heating unit 12 can heat the air supplied to the cathode 1011a, so that the cathode 1011a is not heated It is possible to reach the proper temperature for producing electricity more quickly than in the case of supplying air without air. Therefore, the fuel cell system 10 according to the present invention can quickly produce and supply electricity in an emergency such as a power failure.

Referring to FIG. 10, the ship 1 according to the present invention may further include a condenser 13.

The condenser 13 condenses the steam H ₂ 0 discharged from the steam turbine 8 into water. The condenser 13 may be installed between the steam turbine 8 and the water tank 5. For example, the condenser 13 may be installed on a pipe connecting the steam turbine 8 and the water tank 5. Accordingly, the condenser 13 can receive and condense the steam H ₂ 0 from the steam turbine 8. The condenser 13 can cool and condense the supplied steam (H ₂ 0) by a water-cooled, air-cooled or evaporative method. Accordingly, the steam H ₂ 0 supplied to the condenser 13 can be phase-changed into water. The water condensed by the condenser 13 can be supplied to the water tank 5 through a pipeline. Therefore, the fuel cell system 10 according to the present invention recycles the steam (H ₂ 0) discharged from the steam turbine 8 through the condenser 13 without discharging it to the outside, It is possible to prevent waste and reduce operating costs.

Although not shown, a ship 1 according to the present invention may be provided with a cooling unit for cooling the air between the air compressor 2 and the engine 101. Accordingly, by lowering the temperature of the air supplied to the engine 101 through the cooling unit, the ship 1 according to the present invention can reduce the temperature of the engine 101 ) Can be further improved. Accordingly, the ship 1 according to the present invention can prevent the environment from being contaminated by reducing the amount of harmful substances such as nitrogen oxides (NOx) contained in the engine exhaust gas discharged from the engine 101.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. Will be clear to those who have knowledge of.

1: Ships
2: air compressor 3: gas turbine
4: raw material supply part 5: raw material water supply part
6: steam production part 7:
8: Steam turbine 9: Power conversion section
10: Fuel cell system 11: Connection
12: heating section 13: condenser
101: fuel cell 102: hydrogen generator
103:

Claims (8)

A raw material supply unit installed in the hull and supplying the raw material;
A raw water supply part installed to be spaced apart from the raw material supply part and supplying water;
An air compressor installed to be spaced apart from the raw water supply part and compressing air to supply air;
A gas turbine for producing electricity by using engine exhaust gas discharged from an engine which mixes and burns air and fuel;
A steam production unit for converting the water supplied from the raw water supply unit into steam (H ₂ O) by using the engine exhaust gas discharged from the gas turbine as a heat source;
A branching portion for branching the steam (H ₂ O) produced by the steam production portion;
A steam turbine for generating electricity using steam (H ₂ O) branched by the branching unit;
A fuel cell system installed to be spaced apart from the steam turbine and supplied with steam (H ₂ O) branched by the branching section to produce electricity; And
And a power conversion unit for converting a direct current (DC) output from the fuel cell system into an alternating current (AC)
The fuel cell system includes:
A reformer for reforming steam (H ₂ O) supplied from the steam producing unit, and a combustor for heating the reformer, wherein the reformer further comprises: A hydrogen generating part including the hydrogen generating part; And
A fuel cell including an anode, an anode, a cathode, and an electrolyte formed between the anode and the cathode,
The fuel cell exhaust gas discharged from the fuel cell is supplied to the gas turbine so that the flow rate of the exhaust gas supplied by the gas turbine is increased,
Wherein the air compressor compresses air by receiving driving force from the gas turbine,
Wherein the reformer is supplied with residual steam (H ₂ O) other than steam (H ₂ O) supplied to the steam turbine from the steam production unit. The method according to claim 1,
And a connection portion connecting the air compressor and the fuel cell to supply air compressed by the air compressor to a cathode of the fuel cell. 3. The method of claim 2,
And a heating unit installed in the connection unit to heat air supplied from the air compressor to the cathode. The method according to claim 1,
And a condenser installed between the steam turbine and the raw water supply unit for condensing steam (H ₂ O) discharged from the steam turbine into water,
And water condensed in the condenser is supplied to the raw water supply unit. A raw material processing section for pre-processing the raw material supplied from the raw material supply section, an engine for discharging the pre-processed fuel supplied from the raw material processing section, and an engine exhausted from a gas turbine for producing electricity by using engine exhaust gas discharged from an engine, A reformer for reforming steam (H ₂ O) supplied from a steam producing unit that converts the water supplied from the raw water supply unit into steam (H ₂ O) by exhaust gas as a heat source, and a combustor for heating the reformer A hydrogen generator; And
And a fuel cell including an anode, an anode, a cathode, and an electrolyte formed between the anode and the cathode,
The fuel cell exhaust gas discharged from the fuel cell is supplied to the gas turbine so that the flow rate of the exhaust gas supplied by the gas turbine is increased,
An air compressor for compressing air to supply air is provided with a driving force from the gas turbine to compress air,
The reformer is a steam (H is using the steam (H ₂ O) branched by the branching section for branching the steam (H ₂ O) by which the steam generation block production supplied to the steam turbine to generate electricity from the steam generation block ₂ O) with the exception of the remaining steam (the fuel cell system, characterized in that supplied the H ₂ O). 6. The method of claim 5,
And a connection portion connecting the air compressor and the fuel cell to supply air compressed by the air compressor to a cathode of the fuel cell. The method according to claim 6,
And a heating unit installed in the connection unit to heat air supplied from the air compressor to the cathode. 6. The method of claim 5,
And a condenser installed between the steam turbine and the raw water supply unit for condensing steam (H ₂ O) discharged from the steam turbine into water,
And the condensed water in the condenser is supplied to the raw water supply unit.

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