Zero-emission hydrogen energy powered ship system and ship applying same

Abstract

The application discloses a zero-emission hydrogen energy power ship system and a ship applying the same, and belongs to the field of ship power systems.The zero-emission hydrogen energy power ship system comprises a photovoltaic power generation system, a hydrogen production device for producing hydrogen, a hydrogen-to-methanol module for producing methanol from the produced hydrogen, a methanol storage cabin for storing the methanol produced by the hydrogen-to-methanol module, a low-pressure adsorption hydrogen storage module for adsorbing the hydrogen produced by the hydrogen production device, and a methanol-to-hydrogen module for producing hydrogen from the methanol stored in the methanol storage cabin; and further comprises a fuel cell module, a lithium battery energy storage system and an electric motor set, wherein the fuel cell module is used for charging the lithium battery energy storage system, and the electric energy stored in the lithium battery energy storage system is used for power supply of equipment on a ship body and power supply of the electric motor set.The hydrogen energy power ship system is applied to an offshore fishing ship, and the methanol-to-hydrogen module is used as a power source in cooperation with the lithium ion battery energy storage system and the electric motor set, so that the zero-carbon emission and pure green pollution-free ship is formed, and the pollution problem of a traditional diesel engine set ship is solved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of fishing boats, in particular to a zero-emission hydrogen energy power ship system. BACKGROUND

[0002] Protecting the marine ecological environment is the premise and foundation for the development of China's offshore fishing industry. Strengthening ecological environment monitoring, reducing fishing resource waste, and rationally utilizing marine resources are all key measures for the accelerated development of China's offshore fishing industry and must be the focus of promotion. With the in-depth promotion of the transformation and upgrading of marine fisheries, China's marine fisheries are showing a steady development trend, and intelligentization and greenization have become the new direction of development.

[0003] The offshore fishing industry also faces some new challenges and problems. Traditional diesel engine ships have various problems with heavy-duty wheel sets, such as oil and water pollution, air pollution caused by emissions, noise pollution, and other problems, which have a huge impact on the marine ecological environment. SUMMARY

[0004] To solve the above technical problems, the application provides a zero-emission hydrogen energy power ship system applied to a ship body, which comprises a photovoltaic power generation system, a hydrogen production device for producing hydrogen, a hydrogen-to-methanol module for producing hydrogen into methanol, a methanol storage cabin for storing the methanol produced by the hydrogen-to-methanol module, a low-pressure adsorption hydrogen storage module for adsorbing the hydrogen produced by the hydrogen production device, and a methanol-to-hydrogen module for producing the methanol stored in the methanol storage cabin into hydrogen. The system further comprises a fuel cell module, a lithium battery energy storage system, and an electric motor set. The fuel cell module is used for charging the lithium battery energy storage system, and the electric energy stored in the lithium battery energy storage system is used as a power source for the equipment on the ship body and the electric motor set.

[0005] Preferably, the hydrogen production device is a water electrolysis hydrogen production device, and the photovoltaic power generation system converts light energy into electric energy for powering the hydrogen production device.

[0006] Preferably, the hydrogen produced by the hydrogen production device is stored in the low-pressure adsorption hydrogen storage module and the storage tank.

[0007] Part of the stored hydrogen is used for starting operation by the fuel cell module, and part of the hydrogen produced by the hydrogen production device is transported to the hydrogen-to-methanol module to produce methanol and then transported to the methanol storage cabin for storage.

[0008] Preferably, the hydrogen-to-methanol module comprises a hydrogen input end, a carbon dioxide input end, a multi-atom metal cluster catalyst system, a liquefaction station, and an output end of the methanol storage cabin.

[0009] Preferably, the methanol-to-hydrogen module comprises an input end of the methanol storage cabin, a heater, a reforming reactor, a low-pressure adsorption hydrogen storage module, and an output end of the storage tank.

[0010] The input end of the methanol storage cabin is connected with the output end of the methanol storage cabin, methanol and water are heated through the heater, hydrogen is prepared through the reforming reactor, the prepared hydrogen is transported to the storage tank for storage, and the excess hydrogen is transported to the low-pressure adsorption hydrogen storage module for adsorption storage, and the hydrogen in the low-pressure adsorption hydrogen storage module is used for heating the heater.

[0011] Preferably, the fuel cell module comprises an input end, electrodes, a catalytic layer, a proton exchange membrane, a diffusion layer, an external direct current circuit and a direct current input.

[0012] Preferably, the lithium battery energy storage system comprises a variable-voltage charging input end, a DCS control system, a lithium battery energy storage group, a BMS control system and a transformer, and the transformer is connected with the equipment and the motor group on the ship body through the external direct current circuit.

[0013] Preferably, the ship body is made of glass steel material.

[0014] A ship uses the above-mentioned zero-emission hydrogen energy power ship system.

[0015] Preferably, the ship body is provided with a deck layer, an intermediate layer and a bottom layer, the hydrogen production equipment is arranged on the deck layer, the low-pressure adsorption hydrogen storage module is arranged on the intermediate layer, and the lithium battery energy storage system, the motor group, the methanol storage cabin and the lithium battery energy storage group are arranged on the bottom layer.

[0016] Technical effects and advantages of the present application:

[0017] 1. The hydrogen energy power ship system is applied to a near-shore fishing boat, takes methanol reforming hydrogen as a power source, cooperates with a lithium battery energy storage system and a motor group, organically combines into a zero-carbon emission, pure green and pollution-free ship, and solves the pollution problem of a traditional diesel engine ship.

[0018] 2. In the present application, the hydrogen production equipment is arranged on the deck layer, the low-pressure adsorption hydrogen storage module is arranged on the intermediate layer, and the lithium battery energy storage system, the methanol storage cabin and the lithium battery energy storage group are arranged on the bottom layer, so that the power system is distributed in a stepped manner, and the space utilization rate of the ship body is maximized.

[0019] 3. In the present application, the ship body is made of glass steel material, which can greatly reduce the mass of the ship body compared with the traditional steel material, and is beneficial to energy saving. DETAILED DESCRIPTION

[0020] Figure 1 is a flow chart of the zero-emission hydrogen energy power ship system provided by the embodiments of the present application;

[0021] Figure 2 is a structural schematic view of a hydrogen-to-methanol module in the zero-emission hydrogen energy power ship system provided by the embodiments of the present application;

[0022] Figure 3 is a structural schematic diagram of a methanol heavy hydrogen production module in a zero-emission hydrogen energy power ship system provided by an embodiment of the present application;

[0023] Figure 4 is a structural schematic diagram of a fuel cell module in a zero-emission hydrogen energy power ship system provided by an embodiment of the present application;

[0024] Figure 5 is a structural schematic diagram of a lithium battery energy storage system in a zero-emission hydrogen energy power ship system provided by an embodiment of the present application;

[0025] Figure 6 is a structural schematic diagram of a ship body in a zero-emission hydrogen energy power ship system provided by an embodiment of the present application;

[0026] Figure 7 is a structural schematic diagram of a deck layer in a zero-emission hydrogen energy power ship system provided by an embodiment of the present application;

[0027] Figure 8 is a structural schematic diagram of an intermediate layer in a zero-emission hydrogen energy power ship system provided by an embodiment of the present application;

[0028] Figure 9 is a structural schematic diagram of a bottom layer in a zero-emission hydrogen energy power ship system provided by an embodiment of the present application.

[0029] In the figure: 1, ship body; 2, deck layer; 21, photovoltaic cell panel; 22, fuel cell module; 23, hydrogen methanol production module; 24, storage tank; 25, methanol heavy hydrogen production module; 3, intermediate layer; 31, low-pressure adsorption hydrogen storage module; 4, bottom layer; 41, lithium battery energy storage system; 42, motor set; 43, methanol storage cabin; 44, lithium battery energy storage set. DETAILED DESCRIPTION

[0030] The present application will be further described in conjunction with the drawings and specific embodiments. The embodiments of the present application are given for illustration and description only, and are not intended to be exhaustive or to limit the present application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the present application and its practical application, and to enable others skilled in the art to understand the present application for various embodiments with various modifications as are suited to the particular use contemplated.

[0031] Please refer to Figure 1In the embodiment, a zero-emission hydrogen energy power ship system is provided, which is applied to a ship body 1 and includes a photovoltaic power generation system, a hydrogen production device, a hydrogen-to-methanol module 23, a methanol-to-hydrogen module 25, a fuel cell module 22, a lithium battery energy storage system 41, a low-pressure adsorption hydrogen storage module 31, an electric motor set 42 and a methanol storage cabin 43.

[0032] The hydrogen production device is used for preparing hydrogen; the hydrogen-to-methanol module is used for preparing hydrogen into methanol; the methanol storage cabin is used for storing the methanol prepared by the hydrogen-to-methanol module; the low-pressure adsorption hydrogen storage module is used for adsorbing the hydrogen prepared by the hydrogen production device; the methanol-to-hydrogen module is used for preparing the methanol stored in the methanol storage cabin into hydrogen; and the fuel cell module is used for charging the lithium battery energy storage system, and the electric energy stored in the lithium battery energy storage system is used for power supply of equipment on the ship body and power source of the electric motor set.

[0033] In the application, the solar energy conversion technology is adopted, the self-sufficiency can be realized in the application of the whole ship body 1, the energy internal circulation is realized, the methanol is used as an energy carrier, the pure green and pollution-free energy is used, the marine environment can be protected to the maximum extent, and the noise-free workshop and comfortable working environment are realized.

[0034] In the embodiment, referring to Figure 2 As shown in the figure, the hydrogen-to-methanol module 23 includes a hydrogen input end, a carbon dioxide input end, a multi-atom metal cluster catalyst Cu-Zn-Al system, a liquefaction station and a methanol storage cabin 43 output end, and the hydrogen-to-methanol module 23 is used for preparing hydrogen into methanol and storing the methanol in the methanol storage cabin 43.

[0035] In the embodiment, referring to Figure 3 As shown in the figure, the methanol-to-hydrogen module 25 includes a methanol storage cabin 43 input end, a heater, a reforming reactor, a low-pressure adsorption hydrogen storage module 31 and a storage tank 24 output end, the methanol storage cabin 43 input end is connected to the methanol storage cabin 43 output end, the methanol and water are heated through the heater, the hydrogen is prepared through the reforming reactor, the prepared hydrogen is stored in the storage tank 24, and the excess hydrogen is adsorbed and stored in the low-pressure adsorption hydrogen storage module 31, and the hydrogen in the low-pressure adsorption hydrogen storage module 31 is used in the heater, which is used as a heating source for activating the methanol and water reaction in the initial stage, and the problem of low mass efficiency existing in this hydrogen storage mode can be completely avoided.

[0036] In the embodiment, referring to Figure 4 As shown in the figure, the fuel cell module 22 includes an input end, an electrode, a catalytic layer, a proton exchange membrane, a diffusion layer, an external direct current circuit and a direct current output, the electrode includes a cathode and an anode, the storage tank 24 output end is connected to the fuel cell module 22 input end, the fuel cell module 22 is connected to an external direct current transformer through the external direct current circuit, and is used for charging the lithium battery energy storage system 41.

[0037] In the embodiment, referring to Figure 5 As shown in the figure, the lithium battery energy storage system 41 includes a variable voltage charging input, a DCS control system, a lithium battery energy storage group 44, a BMS control system and a transformer, which is connected to the equipment on the ship body 1 through an external DC circuit, part of the electric energy is used for the power supply of the equipment on the ship body 1, and the transformer is connected to the motor group 42 through an external DC circuit, part of the electric energy is used as the power source of the motor group 42.

[0038] The fuel cell module 22 is used as a power source, the fuel cell module 22 and the lithium battery energy storage system 41 are organically combined, can supply electric energy to various facilities and equipment in the ship body 1, and can also be used as a power source of the ship body 1, the same power source is adopted, the voltages of various facilities and equipment and the power source are the same, so that the whole power system is more stable.

[0039] In the embodiment, during the shutdown operation, the photovoltaic power generation system includes a photovoltaic cell panel 21, a photoelectric converter and a transformer, the photovoltaic power generation system converts light energy into electric energy and stores the electric energy in the lithium battery energy storage system 41, the lithium battery energy storage system 41 supplies electric energy, the hydrogen production equipment is a water electrolysis hydrogen production equipment, the photovoltaic power generation system converts light energy into electric energy for supplying electric energy to the hydrogen production equipment, hydrogen is produced by electrolyzing water, and is stored in the low-pressure adsorption hydrogen storage module 31 and the storage tank 24, part of the stored hydrogen is used for the fuel cell module 22 during the start-up operation, and part of the hydrogen produced by the hydrogen production equipment is transported to the hydrogen methanol production module 23 to produce methanol, and then is transported to the methanol storage cabin 43 for storage.

[0040] It should be noted that, during the shutdown operation, the photovoltaic power generation system generates electric energy, which is stored in the lithium battery energy storage system 41, so that the safety can be improved.

[0041] The methanol stored in the methanol storage cabin 43 is transported to the methanol reforming hydrogen production module 25, the lithium battery energy storage system 41 supplies electric energy to the heater in the methanol reforming hydrogen production module 25, methanol steam and water vapor are formed, hydrogen is produced by high-temperature catalysis in the reforming reactor, and is then transported to the storage tank 24.

[0042] The methanol reforming hydrogen production module in the embodiment adopts a conventional methanol reformer in the prior art, the whole device has simple structure and is convenient to combine, and hydrogen is produced by high-temperature catalytic reaction of methanol and water vapor:

[0043]

[0044] The hydrogen in the storage tank 24 is transported to the fuel cell module 22, and the excess hydrogen is adsorbed and stored by the low-pressure adsorption hydrogen storage module 31, and the external DC transformer of the fuel cell module 22 is used for charging the lithium battery energy storage system 41.

[0045] Referring to Figures 6-9As shown, the application also provides a structure of a ship, which comprises a ship body 1, the ship body 1 is provided with a deck layer 2, an intermediate layer 3 and a bottom layer 4.

[0046] The deck layer 2 is provided with a hydrogen production device, which comprises a photovoltaic cell panel 21, a fuel cell module 22, a hydrogen-to-methanol module 23, a storage tank 24 and a methanol reforming hydrogen production module 25, the fuel cell module 22 is located at the middle of the deck layer 2, the hydrogen-to-methanol module 23 is located at one side of the fuel cell module 22, the storage tank 24 is located at one side of the hydrogen-to-methanol module 23, the methanol reforming hydrogen production module 25 is located at the other side of the fuel cell module 22, and the hydrogen production device is arranged on the deck layer 2, which maximizes the safety caused by hydrogen leakage in an open environment.

[0047] The intermediate layer 3 is provided with a low-pressure adsorption hydrogen storage module 31, the low-pressure adsorption hydrogen storage module 31 adopts physical adsorption and metal hydride-based hydrogen storage alloy, which has the advantages of large hydrogen storage volume density, easy operation, convenient transportation, low cost, good safety and good reversible cycle.

[0048] The bottom layer 4 is provided with a lithium battery energy storage system 41, an electric motor set 42, a methanol storage cabin 43 and a lithium battery energy storage group 44, the electric motor set 42 is located at the end of the bottom layer 4, the lithium battery energy storage system 41 is located at one side of the electric motor set 42, the lithium battery energy storage group 44 is located at the middle of the bottom layer 4, and the methanol storage cabin 43 is located at the front end of the bottom layer 4.

[0049] In the application, the hydrogen production device is arranged on the deck layer 2, the low-pressure adsorption hydrogen storage module 31 is arranged on the intermediate layer 3, and the lithium battery energy storage system 41, the methanol storage cabin 43 and the lithium battery energy storage group 44 are arranged on the bottom layer 4, so that the space utilization rate of the ship body 1 is maximized by adopting a stepped power system distribution.

[0050] In the embodiment, the ship body 1 is made of glass steel material, which can greatly reduce the mass of the ship body 1 compared with the traditional steel material, and is beneficial to energy saving.

[0051] The hydrogen energy power ship system of the application is applied to a near-shore fishing boat, takes the methanol reforming hydrogen as a power source, cooperates with the lithium battery energy storage system 41 and the electric motor set 42, organically combines into a zero-carbon emission and pure green and pollution-free ship, solves the pollution problem of the traditional diesel engine set ship, and is used for completing near-shore operation while protecting the marine ecology.

[0052] Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art and related fields without creative labor should belong to the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application are implemented according to the conventional means in the art, if not specifically described and limited.

Claims

1. A zero-emission hydrogen-powered ship system, applied to a ship hull, characterized in that: Including, photovoltaic power generation system; Hydrogen production equipment, used to prepare hydrogen; The hydrogen-to-methanol module converts the prepared hydrogen into methanol; Methanol storage tank, used to store methanol produced by the hydrogen-to-methanol module; Low-pressure adsorption hydrogen storage module, used to adsorb hydrogen produced by hydrogen production equipment; Methanol reforming hydrogen production module, used to convert methanol stored in the methanol storage tank into hydrogen; It also includes a fuel cell module, a lithium battery energy storage system and an electric motor group. The fuel cell module is used to charge the lithium battery energy storage system, and the electric energy stored in the lithium battery energy storage system is used to power the equipment on the hull and the power source of the electric motor group. The hydrogen production equipment is a water electrolysis hydrogen production equipment, and the photovoltaic power generation system converts light energy into electrical energy to power the hydrogen production equipment; The hydrogen produced by the hydrogen production equipment is stored in a low-pressure adsorption hydrogen storage module and a storage tank; Part of the stored hydrogen is used by the fuel cell module during startup operations, and part of the hydrogen produced is transported to the hydrogen-to-methanol module to produce methanol, and then transported to the methanol storage tank for storage; The hydrogen-to-methanol module includes a hydrogen input end, a carbon dioxide input end, a polyatomic metal cluster catalyst system, a liquefaction station, and an output end of a methanol storage tank; The methanol reforming hydrogen production module includes an input end of a methanol storage tank, a heater, a reforming reactor, a low-pressure adsorption hydrogen storage module and an output end of a storage tank; The input end of the methanol storage tank is connected to the output end of the methanol storage tank. Methanol and water are heated by the heater and hydrogen is produced by the reforming reactor. The produced hydrogen is transported to the storage tank for storage, and the excess hydrogen is transported to the low-pressure adsorption hydrogen storage module for adsorption storage. The hydrogen in the low-pressure adsorption hydrogen storage module is used in the heater. The lithium battery energy storage system includes a transformer charging input terminal, a DCS control system, a lithium battery energy storage group, a BMS control system and a transformer. The transformer is connected to the equipment and motor group on the hull through an external DC circuit.

2. A zero-emission hydrogen powered ship system according to claim 1, characterized in that: The fuel cell module includes an input end, an electrode, a catalyst layer, a proton exchange membrane, a diffusion layer, an external DC circuit and a DC output.

3. A zero-emission hydrogen powered ship system according to claim 1, characterized in that: The hull is made of glass fiber reinforced plastics.

4. A ship, characterized in that: A zero-emission hydrogen-powered ship system according to any one of claims 1 to 3 is used.

5. A ship according to claim 4, characterized in that: The hull comprises a deck layer, an intermediate layer and a bottom layer. A hydrogen production device is provided on the deck layer; A low-pressure adsorption hydrogen storage module is provided on the intermediate layer; The bottom layer is provided with a lithium battery energy storage system, an electric motor group, a methanol storage compartment and a lithium battery energy storage group.

Images