CN212685887U - Comprehensive energy supply system for green ships - Google Patents
Comprehensive energy supply system for green ships Download PDFInfo
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- CN212685887U CN212685887U CN202021235846.0U CN202021235846U CN212685887U CN 212685887 U CN212685887 U CN 212685887U CN 202021235846 U CN202021235846 U CN 202021235846U CN 212685887 U CN212685887 U CN 212685887U
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- gas turbine
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
Abstract
The utility model discloses a comprehensive energy supply system for green ships, wherein a fuel tank is connected with a fuel compressor, a fuel heater, a fuel reformer and an anode of a solid oxide fuel cell in sequence through pipelines; the air inlet is sequentially connected with a gas compressor of the gas turbine, an air preheater and the cathode of the solid oxide fuel cell through pipelines; outlet of solid oxide fuel cell is through the pipelineThe gas turbine combustion chamber and the gas turbine are sequentially connected, the gas turbine drives a gas turbine compressor to work through a gas turbine shaft, and the gas turbine drives a direct-current generator to generate electricity through a generator shaft; CO removal is arranged between the fuel reformer and the anode of the solid oxide fuel cell2The apparatus of (1). The utility model discloses a boats and ships electric power-cold volume-thermal comprehensive supply is realized, improves the utilization ratio of energy by a wide margin, has reduced pollutant NO by a wide margin in the system exhaustX、SOXAnd discharge of pollutants such as particulate matters.
Description
Technical Field
The utility model relates to a green boats and ships comprehensive energy supply system belongs to boats and ships energy supply equipment technical field.
Background
The energy planning of the 21 st century is dominated by 'high efficiency and low pollution', at present, ship energy supply prime movers are mainly diesel engines and gas turbines, but the process of energy conversion is limited by Carnot cycle, the maximum thermal efficiency is only about 50%, and simultaneously NO in the exhaust gas discharged by the ship energy supply prime movers is reducedX、SOXParticulate matter and the like can cause serious harm to the environment, and in addition, a large amount of greenhouse gas CO can be generated2And (4) generating.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: how to realize the high-efficient energy supply of boats and ships, reduce the emission of pollutant.
In order to solve the technical problem, the technical scheme of the utility model is to provide a comprehensive energy supply system for green ships, which is characterized in that the comprehensive energy supply system comprises a fuel tank and an air inlet, wherein the fuel tank is sequentially connected with a fuel compressor, a fuel heater, a fuel reformer and an anode of a solid oxide fuel cell through pipelines; the air inlet is sequentially connected with a gas compressor of the gas turbine, an air preheater and the cathode of the solid oxide fuel cell through pipelines; the outlet of the solid oxide fuel cell is sequentially connected with a combustion chamber of a gas turbine and a turbine of the gas turbine through pipelines, the turbine of the gas turbine drives a compressor of the gas turbine to work through a shaft of the gas turbine, and the turbine of the gas turbine drives a direct-current generator to generate electricity through a shaft of the generator;
CO removal is arranged between the fuel reformer and the anode of the solid oxide fuel cell2The apparatus of (1).
Preferably, the pipeline between the outlet of the solid oxide fuel cell and the combustion chamber of the gas turbine is connected with a branch provided with a gas bypass valve.
Preferably, said removing CO2Comprises CO2Separation apparatus, CO2Storage means, CO2The separation device is connected with CO through a pipeline2And a storage device.
Preferably, in an emergency situation, the fuel tank is directly connected to the gas turbine combustion chamber, and the outlet of the gas turbine compressor is connected to the gas turbine combustion chamber.
Preferably, the fuel tank is communicated with the fuel compressor and the gas turbine combustion chamber through fuel control valves respectively; the gas compressor of the gas turbine is respectively communicated with the air preheater and the combustion chamber of the gas turbine through an air control valve.
Preferably, the gas turbine is connected to the air preheater by a pipeline.
Preferably, the air preheater is connected with the fuel heater through a pipeline; the fuel heater is sequentially connected with the heat supply heat exchanger, the absorption refrigerator, the condenser and the condensate water recovery device through pipelines; the condenser is communicated with the outside atmosphere.
Preferably, the heat supply heat exchanger is connected with a heat user through a pipeline; the absorption refrigerator is connected with a cold quantity user through a pipeline.
Preferably, both ends of the heat supply heat exchanger are connected in parallel with a heat supply bypass valve for controlling the amount of tail gas passing through the heat supply heat exchanger; and two ends of the absorption refrigerator are connected in parallel with a refrigeration bypass valve for controlling the tail gas quantity passing through the absorption refrigerator.
Preferably, the condensed water recovery device is connected with the water supply pump and the fuel reformer in sequence through pipelines.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a green boats and ships comprehensive energy supply system has realized boats and ships electric power-cold volume-thermal comprehensive supply, through the step utilization to the energy, improves the utilization ratio of energy by a wide margin. The fuel cell is used for chemical energy conversion, and pollutants NO are greatly reduced in system exhaustX、SOXThe discharge of pollutants such as particulate matters and the like can meet the increasingly strict environmental protection standard requirement and pass CO before combustion2The capture technology is used for capturing CO generated by the reaction2The recycling is carried out, and the emission of greenhouse gases is reduced.
Drawings
Fig. 1 is a schematic diagram of a comprehensive energy supply system for a green ship.
Detailed Description
In order to make the present invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.
The utility model provides a green boats and ships synthesize energy supply system, as shown in figure 1, it includes fuel jar 1, fuel control valve 2, fuel compressor 3, fuel heater 4, fuel reformer 5, CO2Separation apparatus 6, CO2The system comprises a storage device 7, an air preheater 8, an air control valve 9, a gas turbine compressor 10, a gas turbine 11, a gas turbine combustor 12, a direct current generator 13, a Solid Oxide Fuel Cell (SOFC)14, a gas turbine bypass valve 15, a heat supply heat exchanger 16, an absorption refrigerator 17, a condenser 18, a heat supply bypass valve 19, a refrigeration bypass valve 20, a condensate water recovery device 21, a water supply pump 22, a gas turbine shaft 23 and a generator shaft 24.
LNG (i.e., liquefied natural gas) in the fuel tank 1 is gasified into CH4Gas, CH4The gas is pressurized in the fuel compressor 3 and supplied to the fuel heater 4, high pressure CH4The gas is heated by high-temperature tail gas discharged from the system in the fuel heater 4 and then enters the fuel reformer 5. High temperature and high pressure CH4The gas is reformed in the fuel reformer 5 to produce H2And CO2Gas admission to CO2A separating device 6. Separated CO2In CO2Collection is performed in the storage device 7; h2The gas enters the anode of the SOFC 14. The air preheater 8 heats the high-pressure air discharged by the gas turbine compressor 10 by using the high-temperature tail gas discharged by the system, and the preheated compressed air enters the cathode of the SOFC 14 to generate a cathode reaction. Electrochemical reactions occur in the SOFC 14 to produce direct current electrical energy. The high temperature and high pressure gas generated by the reaction enters the gas turbine combustor 12. The pipeline entering the gas turbine combustion chamber 12 is provided with a gas bypass valve 15 for controlling the output power of the gas turbine (i.e. after the gas bypass valve 15 is opened, a part of the high-temperature and high-pressure gas from the SOFC 14 enters the air preheater 8 through the gas bypass valve 15, and a part of the high-temperature and high-pressure gas enters the gas turbine combustion chamber 12, so that the flow rate of the high-temperature and high-pressure gas entering the gas turbine combustion chamber 12 is reduced, the output power of the gas turbine is reduced, when the output power of the gas turbine needs to be increased, i.e. the flow rate of the high-temperature and high-pressure gas entering the gas turbine combustion chamber 12 is increased, only the gas bypass valve 15. Under normal conditions, the combustion chamber 12 of the gas turbine serves as an inertia link, no chemical reaction occurs in the combustion chamber, high-temperature and high-pressure gas enters the turbine 11 of the gas turbine after passing through the combustion chamber 12 of the gas turbine to expand and do work, one part of the output work drives the compressor 10 of the gas turbine to work through the shaft 23 of the gas turbine to perform air compression, and the other part of the output work drives the direct current generator 13 to generate electricity through the shaft 24 of the generator.
In emergency situation, CH4The gas is directly delivered to a combustion chamber 12 of the gas turbine through a fuel control valve 2, and compressed air at the outlet of a compressor 10 of the gas turbine is delivered to the combustion chamber 12, CH of the gas turbine through an air control valve 94The gas and the compressed air are subjected to combustion reaction in a combustion chamber 12 of the gas turbine, high-temperature and high-pressure exhaust gas generated after combustion enters a gas turbine 11 to be expanded and do work, one part of the output work drives a gas turbine compressor 10 to work through a gas turbine shaft 23, air compression is carried out, and the other part drives a direct current generator 13 to generate electricity through a generator shaft 24. The fuel cell system can ensure that the ship still has certain energy generation in the emergency state of the fuel cell system failure, and the vitality of the ship is improved.
The high-temperature tail gas discharged by the combined cycle still has high energy after passing through the air preheater 8 and the fuel heater 4, and is led to the heat supply heat exchanger 16 through a pipeline to heat the heat medium water, and the heat medium water sends the heat to each heat user. The heating bypass valve 19 is used to control the amount of exhaust gas passing through the heating heat exchanger 16. After passing through the heat supply heat exchanger 16, the high-temperature tail gas enters the absorption refrigerator 17, and the absorption refrigerator 17 absorbs energy from the high-temperature tail gas to cool the refrigerant water, so that the refrigerant water as the cooling medium is provided for various cold quantity users. The refrigeration bypass valve 20 is used to control the amount of tail gas passing through the absorption chiller 17. The high-temperature tail gas finally enters a condenser 18, the water vapor is condensed into liquid in the condenser 18, and the liquid is collected by a condensed water recovery device 21 and then is conveyed to the fuel reformer 5 through a water supply pump 22 to carry out reforming reaction; other gases pass through the condenser 18 and are vented to the atmosphere.
The utility model discloses a system uses Liquefied Natural Gas (LNG) as fuel, has the characteristics of fusibility based on high temperature fuel cell exhaust temperature and gas turbine inlet temperature, utilizes the high-grade used heat of fuel cell exhaust and gas turbine to constitute combined cycle system. The fuel cell and the gas turbine are used as prime movers to provide electric energy for the whole ship, and are provided with the absorption refrigerator and the heat supply heat exchanger to realize the comprehensive energy supply of electric power, cold energy and heat energy and the cascade utilization of the energy of the whole ship, thereby greatly improving the utilization rate of the fuel. Furthermore, the utility model discloses in, the release of fuel chemical energy goes on in fuel cell, and fuel cell is a device that directly turns into the electric energy with chemical energy, and it has saved the intermediate process of traditional heat engine operation, directly turns into the electric energy with chemical energy, and when efficiency improved, pollutant NO has been reduced by a wide marginX、SOXThe discharge of pollutants such as particulate matters and the like, and generates a byproduct CO2。
Claims (10)
1. A comprehensive energy supply system for green ships is characterized by comprising a fuel tank (1) and an air inlet, wherein the fuel tank (1) is sequentially connected with a fuel compressor (3), a fuel heater (4), a fuel reformer (5) and an anode of a solid oxide fuel cell (14) through pipelines; the air inlet is sequentially connected with a gas turbine compressor (10), an air preheater (8) and the cathode of a solid oxide fuel cell (14) through pipelines; the outlet of the solid oxide fuel cell (14) is sequentially connected with a gas turbine combustion chamber (12) and a gas turbine (11) through pipelines, the gas turbine (11) drives a gas turbine compressor (10) to work through a gas turbine shaft (23), and the gas turbine (11) drives a direct current generator (13) to generate electricity through a generator shaft (24);
CO removal is arranged between the fuel reformer (5) and the anode of the solid oxide fuel cell (14)2The apparatus of (1).
2. A green vessel integrated power supply system according to claim 1, characterized in that the pipeline connection between the outlet of the solid oxide fuel cell (14) and the gas turbine combustor (12) is provided with a branch of a gas bypass valve (15).
3. The comprehensive energy supply system for green ships according to claim 1, wherein said CO removal system2Comprises CO2Separation device (6), CO2Storage means (7), CO2The separation device (6) is connected with CO through a pipeline2A storage device (7).
4. A green vessel integrated power supply system according to claim 1, characterized in that in emergency situations, the fuel tank (1) is directly connected to the gas turbine combustor (12), and the outlet of the gas turbine compressor (10) is connected to the gas turbine combustor (12).
5. The comprehensive energy supply system for green ships according to claim 4, characterized in that the fuel tank (1) is respectively communicated with the fuel compressor (3) and the gas turbine combustor (12) through a fuel control valve (2); the gas turbine compressor (10) is respectively communicated with the air preheater (8) and the gas turbine combustion chamber (12) through an air control valve (9).
6. A green vessel combined power supply system as claimed in claim 1, wherein said gas turbine engine (11) is connected to the air preheater (8) by piping.
7. A comprehensive power supply system for green ships as claimed in claim 1, wherein said air preheater (8) is connected to said fuel heater (4) through a pipe; the fuel heater (4) is sequentially connected with a heat supply heat exchanger (16), an absorption refrigerator (17), a condenser (18) and a condensed water recovery device (21) through pipelines; the condenser (18) is in communication with the outside atmosphere.
8. The comprehensive energy supply system for green ships according to claim 7, characterized in that the heat supply heat exchanger (16) is connected with a heat user through a pipeline; the absorption refrigerator (17) is connected with a cold quantity user through a pipeline.
9. The comprehensive energy supply system for green ships according to claim 7 or 8, characterized in that both ends of the heat supply heat exchanger (16) are connected in parallel with a heat supply bypass valve (19) for controlling the amount of tail gas passing through the heat supply heat exchanger (16); and two ends of the absorption refrigerator (17) are connected in parallel with a refrigeration bypass valve (20) for controlling the amount of tail gas passing through the absorption refrigerator (17).
10. The comprehensive power supply system for green ships according to claim 7, wherein the condensed water recovery unit (21) is connected to the water supply pump (22) and the fuel reformer (5) in sequence through pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021235846.0U CN212685887U (en) | 2020-06-30 | 2020-06-30 | Comprehensive energy supply system for green ships |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021235846.0U CN212685887U (en) | 2020-06-30 | 2020-06-30 | Comprehensive energy supply system for green ships |
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| Publication Number | Publication Date |
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| CN212685887U true CN212685887U (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021235846.0U Active CN212685887U (en) | 2020-06-30 | 2020-06-30 | Comprehensive energy supply system for green ships |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309985A (en) * | 2021-06-15 | 2021-08-27 | 中国船舶工业集团公司第七0八研究所 | LNG fuel power ship cold energy waste heat comprehensive cascade utilization system with zero carbon emission |
| WO2022250078A1 (en) * | 2021-05-25 | 2022-12-01 | 株式会社 商船三井 | Ship |
| WO2023117024A1 (en) * | 2021-12-22 | 2023-06-29 | A. P. Møller-Mærsk A/S | Apparatus for supplying electricity to a device of a vehicle |
-
2020
- 2020-06-30 CN CN202021235846.0U patent/CN212685887U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022250078A1 (en) * | 2021-05-25 | 2022-12-01 | 株式会社 商船三井 | Ship |
| CN113309985A (en) * | 2021-06-15 | 2021-08-27 | 中国船舶工业集团公司第七0八研究所 | LNG fuel power ship cold energy waste heat comprehensive cascade utilization system with zero carbon emission |
| WO2023117024A1 (en) * | 2021-12-22 | 2023-06-29 | A. P. Møller-Mærsk A/S | Apparatus for supplying electricity to a device of a vehicle |
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