CN116639653A - Hydrogen power wind power operation and maintenance ship for methanol reforming hydrogen production - Google Patents

Hydrogen power wind power operation and maintenance ship for methanol reforming hydrogen production Download PDF

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Publication number
CN116639653A
CN116639653A CN202310722928.XA CN202310722928A CN116639653A CN 116639653 A CN116639653 A CN 116639653A CN 202310722928 A CN202310722928 A CN 202310722928A CN 116639653 A CN116639653 A CN 116639653A
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hydrogen
fuel cell
cell stack
oxygen
methanol
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郑向远
张昱旸
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Jiefang New Energy Technology Jiangsu Co ltd
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Jiefang New Energy Technology Jiangsu Co ltd
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Priority to CN202310722928.XA priority Critical patent/CN116639653A/en
Publication of CN116639653A publication Critical patent/CN116639653A/en
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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen
    • C01B3/02—Production of hydrogen; Production of gaseous mixtures containing hydrogen
    • C01B3/32—Production of hydrogen; Production of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide or air
    • C01B3/323—Catalytic reaction of gaseous or liquid organic compounds other than hydrocarbons with gasifying agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H21/00—Use of propulsion power plant or units on vessels
    • C—CHEMISTRY; METALLURGY
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    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen
    • C01B3/50—Separation of hydrogen or hydrogen-containing gases from gaseous mixtures, e.g. purification
    • C01B3/501—Separation of hydrogen or hydrogen-containing gases from gaseous mixtures, e.g. purification by diffusion
    • C01B3/503—Separation of hydrogen or hydrogen-containing gases from gaseous mixtures, e.g. purification by diffusion characterised by membranes
    • C01B3/505—Membranes containing palladium
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    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen
    • C01B3/50—Separation of hydrogen or hydrogen-containing gases from gaseous mixtures, e.g. purification
    • C01B3/52—Separation of hydrogen or hydrogen-containing gases from gaseous mixtures, e.g. purification by contacting with liquids; Regeneration of used liquids
    • H—ELECTRICITY
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    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
    • H01M8/04014—Heat exchange using gaseous fluids; Heat exchange by combustion of reactants
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    • H—ELECTRICITY
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    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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    • H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
    • H01M8/04029—Heat exchange using liquids
    • H—ELECTRICITY
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    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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    • H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
    • H01M8/04097—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with recycling of the reactants
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
    • H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
    • H01M8/04126—Humidifying
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04298—Processes for controlling fuel cells or fuel cell systems
    • H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
    • H01M8/04701—Temperature
    • H01M8/04708—Temperature of fuel cell reactants
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04298—Processes for controlling fuel cells or fuel cell systems
    • H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
    • H01M8/04828—Humidity; Water content
    • H01M8/04835—Humidity; Water content of fuel cell reactants
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
    • H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
    • H01M8/0612—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material
    • H01M8/0618—Reforming processes, e.g. autothermal, partial oxidation or steam reforming
    • H—ELECTRICITY
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    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
    • H01M8/0662—Treatment of gaseous reactants or gaseous residues, e.g. cleaning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H21/00—Use of propulsion power plant or units on vessels
    • B63H2021/003—Use of propulsion power plant or units on vessels the power plant using fuel cells for energy supply or accumulation, e.g. for buffering photovoltaic energy
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/02—Processes for making hydrogen or synthesis gas
    • C01B2203/0205—Processes for making hydrogen or synthesis gas containing a reforming step
    • C01B2203/0227—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step
    • C01B2203/0233—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step the reforming step being a steam reforming step
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    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0465—Composition of the impurity
    • C01B2203/047—Composition of the impurity the impurity being carbon monoxide
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    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0465—Composition of the impurity
    • C01B2203/0475—Composition of the impurity the impurity being carbon dioxide
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    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0465—Composition of the impurity
    • C01B2203/048—Composition of the impurity the impurity being an organic compound
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    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/06—Integration with other chemical processes
    • C01B2203/066—Integration with other chemical processes with fuel cells
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    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/08—Methods of heating or cooling
    • C01B2203/0872—Methods of cooling
    • C01B2203/0883—Methods of cooling by indirect heat exchange
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    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/12—Feeding the process for making hydrogen or synthesis gas
    • C01B2203/1205—Composition of the feed
    • C01B2203/1211—Organic compounds or organic mixtures used in the process for making hydrogen or synthesis gas
    • C01B2203/1217—Alcohols
    • C01B2203/1223—Methanol
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    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/12—Feeding the process for making hydrogen or synthesis gas
    • C01B2203/1288—Evaporation of one or more of the different feed components
    • H—ELECTRICITY
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    • H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
    • H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane

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Abstract

The invention relates to the technical field of ship power, in particular to a hydrogen power wind power operation and maintenance ship for preparing hydrogen by reforming methanol; the device comprises a ship body, a methanol conversion system, a hydrogen cylinder group, a hydrogen supply system, an oxygen supply system, a gas humidification system, a hydrogen fuel cell stack, a DC/DC converter and a DC busbar distribution board; the methanol conversion system is used for converting methanol into hydrogen; the hydrogen cylinder group is used for storing the converted hydrogen; the hydrogen fuel cell stack is used for converting chemical energy in the hydrogen fuel into electric energy; the hydrogen supply system is used for supplying hydrogen to the hydrogen fuel cell stack; an oxygen supply system for supplying oxygen to the hydrogen fuel cell stack; the gas humidifying system is used for heating and humidifying hydrogen and oxygen, and methanol is used as fuel through the methanol conversion system, and the methanol is converted into electric energy through the hydrogen fuel stack to provide power for the ship, so that the fuel cost is reduced, and the ship green transformation is realized.

Description

Hydrogen power wind power operation and maintenance ship for methanol reforming hydrogen production
Technical Field
The invention relates to the technical field of ship power, in particular to a hydrogen power wind power operation and maintenance ship for preparing hydrogen by reforming methanol.
Background
At present, most of power sources of ships are diesel oil, and a large amount of atmospheric pollutants such as sulfur oxides, carbon dioxide, nitrogen oxides, particulate matters and the like can be discharged while the power sources provide power, so that serious pollution is caused to the environment and the atmosphere; in order to reduce the problem of environmental pollution, hydrogen is now taken as a power source of a ship, is favored by the outstanding advantages of high-efficiency cleaning, highest heat value and the like, becomes one of key technologies for solving the problems of global energy shortage and environmental pollution, and can meet the requirement of the ship on new power.
In the existing hydrogen storage mode, high-pressure gas and liquid are adopted, but hydrogen storage needs to be carried out in a pressure-resistant container under the high-pressure gas and liquid states, and factors such as hydrogen leakage, container explosion and the like exist, so that unsafe factors of ships are increased.
Disclosure of Invention
The invention aims to provide a hydrogen power wind power operation and maintenance ship for hydrogen production by reforming methanol, which solves the problems that the existing hydrogen storage in high-pressure gas and liquid states needs a pressure-resistant container for storage, the factors such as hydrogen leakage and container explosion exist, and unsafe factors of the ship are increased.
In order to achieve the above purpose, the methanol reforming hydrogen production hydrogen power wind power operation and maintenance ship comprises a ship body, a methanol conversion system, a hydrogen cylinder group, a hydrogen supply system, an oxygen supply system, a gas humidification system, a hydrogen fuel cell stack, a DC/DC converter and a DC busbar distribution board, wherein the hydrogen cylinder group is arranged on the ship body and is respectively connected with the methanol conversion system and the hydrogen supply system, the hydrogen supply system and the oxygen supply system are respectively connected with the gas humidification system, the hydrogen fuel cell stack is respectively connected with the gas humidification system and the DC/DC converter, and the DC busbar distribution board is connected with the DC/DC converter;
the methanol conversion system is used for converting methanol into hydrogen;
the hydrogen cylinder group is used for storing the converted hydrogen;
the hydrogen fuel cell stack is used for converting chemical energy in hydrogen fuel into electric energy;
the DC/DC converter is used for boosting the voltage generated by the hydrogen fuel cell stack to be consistent with the voltage of the ship load;
the direct current busbar distribution board is used for supplying power to equipment on the ship body;
the hydrogen supply system is used for supplying hydrogen to the hydrogen fuel cell stack;
the oxygen supply system is used for supplying oxygen to the hydrogen fuel cell stack;
the gas humidifying system is used for heating and humidifying the hydrogen and the oxygen, so that the chemical reaction of the oxygen and the hydrogen in the hydrogen fuel cell stack is improved to be more sufficient, and more electric energy is released.
The methanol conversion system comprises a heat exchanger, a booster pump, a vaporization superheater, a reactor, a conduction oil heating furnace, a condenser, a water scrubber and a palladium membrane purification module, wherein the booster pump is respectively connected with the heat exchanger and the vaporization superheater, the reactor is respectively connected with the vaporization superheater and the conduction oil heating furnace, the condenser is connected with the heat exchanger, the water scrubber is respectively connected with the condenser and the palladium membrane purification module, and the palladium membrane purification module is connected with the hydrogen cylinder group;
the heat exchanger is used for heating raw material gas by utilizing waste heat and cooling gas after reaction reforming;
the booster pump is used for pressurizing the raw material gas subjected to heat exchange to a certain pressure;
the vaporization superheater is used for vaporizing and superheating the raw material liquid subjected to heat exchange to a temperature close to the reaction degree;
the reactor is used for preparing hydrogen by reforming methanol;
the conduction oil heating furnace is used for heating the raw material gas to reach the reaction temperature;
the condenser is used for circulating cooling water and further cooling the reformed gas;
the water washing tower is used for washing methanol contained in the gas after the reaction by desalted water so as to reduce the content of the methanol in the gas phase;
the palladium membrane purification module is used for removing impurity gas and improving the purity of hydrogen.
The hydrogen power wind power operation and maintenance ship for preparing hydrogen by reforming methanol also comprises a water circulation cooling system, wherein the water circulation cooling system is respectively connected with the condenser and the hydrogen fuel cell stack;
the water circulation cooling system is used for guaranteeing the heat balance of the hydrogen fuel cell stack.
The hydrogen power wind power operation and maintenance ship for the hydrogen production through the methanol reforming also comprises an oxygen circulation system and a hydrogen circulation system, wherein the hydrogen circulation system is respectively connected with the hydrogen supply system and the hydrogen fuel cell stack, and the oxygen circulation system is respectively connected with the oxygen supply system and the hydrogen fuel cell stack;
the oxygen circulation system is used for recycling and reusing the oxygen which is not completely consumed by the hydrogen fuel cell stack, and sending the oxygen into the hydrogen fuel cell stack again to participate in chemical reaction;
the hydrogen circulation system is used for recycling and reusing the hydrogen which is not completely consumed by the hydrogen fuel cell stack, and the hydrogen is sent into the hydrogen fuel cell stack again to participate in chemical reaction.
The monitoring system is respectively connected with the heat exchanger, the booster pump, the vaporization superheater, the reactor, the conduction oil heating furnace, the condenser, the water scrubber, the palladium membrane purification module, the hydrogen cylinder group, the hydrogen supply system, the oxygen supply system, the gas humidification system, the hydrogen fuel cell stack, the water circulation cooling system, the oxygen circulation system and the hydrogen circulation system;
the monitoring system is used for monitoring the power source conversion process.
Wherein the hydrogen fuel cell stack has a hydrogen gas discharge port.
Wherein the hydrogen fuel cell stack has an oxygen discharge port.
According to the hydrogen power wind power operation and maintenance ship for preparing hydrogen by reforming methanol, the methanol conversion system converts methanol into hydrogen; the hydrogen cylinder group stores the converted hydrogen; the hydrogen fuel cell stack converts chemical energy in the hydrogen fuel into electrical energy; the DC/DC converter boosts the voltage generated by the hydrogen fuel cell stack to be consistent with the voltage of the ship load; the direct current busbar distribution board supplies power to equipment on the ship body; the hydrogen supply system supplies hydrogen to the hydrogen fuel cell stack; the oxygen supply system supplies oxygen to the hydrogen fuel cell stack; the gas humidifying system heats and humidifies the hydrogen and the oxygen, so that the chemical reaction of the oxygen and the hydrogen in the hydrogen fuel cell stack is improved to be more sufficient, and more electric energy is released; by arranging the methanol conversion system, methanol is used as fuel, and the conversion process is as follows: methanol and pure water are vaporized, overheated, reacted under the action of a catalyst, hydrogen, carbon dioxide, carbon monoxide and a small amount of impurities are generated, the methanol is used as fuel by arranging a methanol conversion system, and the methanol is converted into electric energy through a hydrogen fuel stack, so that power is provided for a ship, the fuel cost is reduced, and the green conversion of the ship is realized.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a methanol reforming hydrogen production hydrodynamic wind power operation and maintenance ship of the invention.
Fig. 2 is a structural schematic diagram of the hydrogen power wind power operation and maintenance ship for producing hydrogen by reforming methanol.
FIG. 3 is a flow chart of the methanol conversion system of the present invention.
101-heat exchanger, 102-booster pump, 103-vaporization superheater, 104-reactor, 105-conduction oil heating furnace, 106-condenser, 107-water scrubber, 108-palladium membrane purification module, 120-hydrogen cylinder group, 121-hydrogen supply system, 122-oxygen supply system, 123-gas humidification system, 124-hydrogen fuel cell stack, 125-DC/DC converter, 126-DC busbar distribution board, 127-hydrogen outlet, 128-oxygen outlet, 131-hydrogen circulation system, 132-oxygen circulation system, 133-water circulation cooling system, 134-monitoring system, 135-hull.
Detailed Description
Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a hydrogen power wind power operation and maintenance ship for hydrogen production by reforming methanol, fig. 2 is a schematic structural diagram of a wind power operation and maintenance ship for hydrogen production by reforming methanol, and fig. 3 is a flow chart of a methanol conversion system.
The invention provides a methanol reforming hydrogen production hydrogen power wind power operation and maintenance ship, which comprises a ship body 135, a methanol conversion system, a hydrogen cylinder group 120, a hydrogen supply system 121, an oxygen supply system 122, a gas humidification system 123, a hydrogen fuel cell stack 124, a DC/DC converter 125 and a DC/DC busbar distribution board 126, wherein the hydrogen cylinder group 120 is arranged on the ship body 135, the hydrogen cylinder group 120 is respectively connected with the methanol conversion system and the hydrogen supply system 121, the hydrogen supply system 121 and the oxygen supply system 122 are respectively connected with the gas humidification system 123, the hydrogen fuel cell stack 124 is respectively connected with the gas humidification system 123 and the DC/DC converter 125, and the DC/DC busbar distribution board 126 is connected with the DC/DC converter 125;
the methanol conversion system is used for converting methanol into hydrogen;
the hydrogen cylinder set 120 is used for storing the converted hydrogen;
the hydrogen fuel cell stack 124 is used to convert chemical energy in the hydrogen fuel into electrical energy;
the DC/DC converter 125 is configured to boost the voltage generated by the hydrogen fuel cell stack 124 to match the voltage of the ship load;
the DC/DC busbar panel 126 is used to power the equipment on the hull 135;
the hydrogen gas supply system 121 is configured to supply hydrogen gas to the hydrogen fuel cell stack 124;
the oxygen supply system 122 is configured to provide oxygen to the hydrogen fuel cell stack 124;
the gas humidification system 123 is used to warm and humidify the hydrogen and oxygen, thereby enhancing the chemical reaction of the oxygen and hydrogen in the hydrogen fuel cell stack 124 more fully and releasing more electrical energy.
In this embodiment, the methanol conversion system converts methanol to hydrogen; the hydrogen cylinder set 120 stores the converted hydrogen; the hydrogen fuel cell stack 124 converts chemical energy in the hydrogen fuel into electrical energy; the DC/DC converter 125 boosts the voltage generated by the hydrogen fuel cell stack 124 to be consistent with the voltage of the ship load; the DC/DC busbar panel 126 provides power to the equipment on the hull 135; the hydrogen gas supply system 121 supplies hydrogen gas to the hydrogen fuel cell stack 124; the oxygen supply system 122 provides oxygen to the hydrogen fuel cell stack 124; the gas humidification system 123 heats and humidifies the hydrogen and oxygen, which improves the chemical reaction of the oxygen and hydrogen in the hydrogen fuel cell stack 124 more fully, releasing more electrical energy; by arranging the methanol conversion system, methanol is used as fuel, and the conversion process is as follows: methanol and pure water are vaporized, overheated, reacted under the action of a catalyst, hydrogen, carbon dioxide, carbon monoxide and a small amount of impurities are generated, the methanol is used as fuel by arranging a methanol conversion system, and the methanol is converted into electric energy through a hydrogen fuel stack, so that power is provided for a ship, the fuel cost is reduced, and the green conversion of the ship is realized.
Further, the methanol conversion system comprises a heat exchanger 101, a booster pump 102, a vaporization superheater 103, a reactor 104, a heat transfer oil heating furnace 105, a condenser 106, a water scrubber 107 and a palladium membrane purification module 108, wherein the booster pump 102 is respectively connected with the heat exchanger 101 and the vaporization superheater 103, the reactor 104 is respectively connected with the vaporization superheater 103 and the heat transfer oil heating furnace 105, the condenser 106 is connected with the heat exchanger 101, the water scrubber 107 is respectively connected with the condenser 106 and the palladium membrane purification module 108, and the palladium membrane purification module 108 is connected with the hydrogen cylinder group 120;
the heat exchanger 101 is used for heating raw material gas by waste heat and cooling gas after reaction reforming;
the booster pump 102 is used for pressurizing the raw material gas subjected to heat exchange to a certain pressure;
the vaporization superheater 103 is used for vaporizing and superheating the raw material liquid subjected to heat exchange to a temperature close to the reaction degree;
the reactor 104 is used for preparing hydrogen by reforming methanol;
the conduction oil heating furnace 105 is used for heating the raw material gas to reach the reaction temperature;
the condenser 106 is used for circulating cooling water to further cool the reformed gas;
the water scrubber 107 is used for scrubbing methanol contained in the gas after the reaction with desalted water to reduce the methanol content in the gas phase;
the palladium membrane purification module 108 is used to remove impurity gases and improve the purity of hydrogen.
In the present embodiment, the heat exchanger 101 heats the raw material gas by using waste heat and cools the gas after the reaction reforming; the booster pump 102 pressurizes the heat-exchanged raw material gas to a certain pressure; the vaporization superheater 103 vaporizes and superheats the raw material liquid subjected to heat exchange to a temperature close to the reaction degree; the reactor 104 is used for preparing hydrogen by reforming methanol; the conduction oil heating furnace 105 heats the raw material gas to reach the reaction temperature; the condenser 106 circulates cooling water to further cool the reformed gas; the water scrubber 107 washes the methanol contained in the reacted gas with desalted water to reduce the methanol content in the gas phase; the palladium membrane purification module 108 removes impurity gases and improves the purity of hydrogen.
Further, the hydrogen power wind power operation and maintenance ship for producing hydrogen through methanol reforming further comprises a water circulation cooling system 133, wherein the water circulation cooling system 133 is respectively connected with the condenser 106 and the hydrogen fuel cell stack 124;
the water circulation cooling system 133 is used to ensure the thermal balance of the hydrogen fuel cell stack 124.
In the present embodiment, the water circulation cooling system 133 is used to ensure the heat balance of the hydrogen fuel cell stack 124.
Further, the hydrogen power wind power operation and maintenance ship for producing hydrogen through methanol reforming further comprises an oxygen circulation system 132 and a hydrogen circulation system 131, wherein the hydrogen circulation system 131 is respectively connected with the hydrogen supply system 121 and the hydrogen fuel cell stack 124, and the oxygen circulation system 132 is respectively connected with the oxygen supply system 122 and the hydrogen fuel cell stack 124;
the oxygen circulation system 132 is configured to recycle and recycle oxygen that is not completely consumed by the hydrogen fuel cell stack 124, and send the oxygen back to the hydrogen fuel cell stack 124 to participate in a chemical reaction;
the hydrogen circulation system 131 is configured to recover and recycle hydrogen that is not completely consumed by the hydrogen fuel cell stack 124, and send the hydrogen to the hydrogen fuel cell stack 124 again to participate in a chemical reaction.
In the present embodiment, the oxygen circulation system 132 recovers and recycles the oxygen which is not completely consumed by the hydrogen fuel cell stack 124, and re-feeds the oxygen to the hydrogen fuel cell stack 124 to participate in the chemical reaction; the hydrogen circulation system 131 recovers and recycles the hydrogen gas which is not completely consumed by the hydrogen fuel cell stack 124, and re-feeds the hydrogen fuel cell stack 124 to participate in the chemical reaction.
Further, the wind power operation and maintenance ship for producing hydrogen by reforming methanol further comprises a monitoring system 134, wherein the monitoring system 134 is respectively connected with the heat exchanger 101, the booster pump 102, the vaporization superheater 103, the reactor 104, the conduction oil heating furnace 105, the condenser 106, the water scrubber 107, the palladium membrane purification module 108, the hydrogen cylinder group 120, the hydrogen gas supply system 121, the oxygen gas supply system 122, the gas humidification system 123, the hydrogen fuel cell stack 124, the water circulation cooling system 133, the oxygen circulation system 132 and the hydrogen circulation system 131;
the monitoring system 134 is used to monitor the power source conversion process.
In the present embodiment, the monitoring system 134 is connected to the heat exchanger 101, the booster pump 102, the vaporization superheater 103, the reactor 104, the conduction oil heating furnace 105, the condenser 106, the water scrubber 107, the palladium membrane purification module 108, the hydrogen cylinder group 120, the hydrogen gas supply system 121, the oxygen supply system 122, the gas humidification system 123, the hydrogen fuel cell stack 124, the water circulation cooling system 133, the oxygen circulation system 132, and the hydrogen circulation system 131, respectively, and the power source conversion process is monitored by using the monitoring system 134.
Further, the hydrogen fuel cell stack 124 has a DC/hydrogen gas discharge port 127.
In the present embodiment, the hydrogen fuel cell stack 124 is provided with the DC/hydrogen gas discharge port 127, and the DC/hydrogen gas discharge port 127 is used for discharging hydrogen gas.
Further, the hydrogen fuel cell stack 124 has an oxygen discharge port 128.
In the present embodiment, the hydrogen fuel cell stack 124 is provided with the oxygen discharge port 128, and the oxygen discharge port 128 is used for discharging oxygen.
The above disclosure is only a preferred embodiment of the present invention, and it should be understood that the scope of the invention is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present invention.

Claims (7)

1. A hydrogen power wind power operation and maintenance ship for producing hydrogen by reforming methanol is characterized in that,
the hydrogen gas cylinder group is arranged on the ship body, the hydrogen gas cylinder group is respectively connected with the methanol conversion system and the hydrogen gas supply system, the hydrogen gas supply system and the oxygen gas supply system are respectively connected with the gas humidification system, the hydrogen fuel cell stack is respectively connected with the gas humidification system and the DC/DC converter, and the DC/DC converter is connected with the DC/DC converter;
the methanol conversion system is used for converting methanol into hydrogen;
the hydrogen cylinder group is used for storing the converted hydrogen;
the hydrogen fuel cell stack is used for converting chemical energy in hydrogen fuel into electric energy;
the DC/DC converter is used for boosting the voltage generated by the hydrogen fuel cell stack to be consistent with the voltage of the ship load;
the direct current busbar distribution board is used for supplying power to equipment on the ship body;
the hydrogen supply system is used for supplying hydrogen to the hydrogen fuel cell stack;
the oxygen supply system is used for supplying oxygen to the hydrogen fuel cell stack;
the gas humidifying system is used for heating and humidifying the hydrogen and the oxygen, so that the chemical reaction of the oxygen and the hydrogen in the hydrogen fuel cell stack is improved to be more sufficient, and more electric energy is released.
2. The hydrogen power wind power operation and maintenance ship for producing hydrogen by reforming methanol according to claim 1,
the methanol conversion system comprises a heat exchanger, a booster pump, a vaporization superheater, a reactor, a conduction oil heating furnace, a condenser, a water washing tower and a palladium membrane purification module, wherein the booster pump is respectively connected with the heat exchanger and the vaporization superheater, the reactor is respectively connected with the vaporization superheater and the conduction oil heating furnace, the condenser is connected with the heat exchanger, the water washing tower is respectively connected with the condenser and the palladium membrane purification module, and the palladium membrane purification module is connected with the hydrogen cylinder group;
the heat exchanger is used for heating raw material gas by utilizing waste heat and cooling gas after reaction reforming;
the booster pump is used for pressurizing the raw material gas subjected to heat exchange to a certain pressure;
the vaporization superheater is used for vaporizing and superheating the raw material liquid subjected to heat exchange to a temperature close to the reaction degree;
the reactor is used for preparing hydrogen by reforming methanol;
the conduction oil heating furnace is used for heating the raw material gas to reach the reaction temperature;
the condenser is used for circulating cooling water and further cooling the reformed gas;
the water washing tower is used for washing methanol contained in the gas after the reaction by desalted water so as to reduce the content of the methanol in the gas phase;
the palladium membrane purification module is used for removing impurity gas and improving the purity of hydrogen.
3. The hydrogen power wind power operation and maintenance ship for producing hydrogen by reforming methanol according to claim 2,
the hydrogen power wind power operation and maintenance ship for hydrogen production by reforming methanol also comprises a water circulation cooling system which is respectively connected with the condenser and the hydrogen fuel cell stack;
the water circulation cooling system is used for guaranteeing the heat balance of the hydrogen fuel cell stack.
4. The hydrogen power wind power operation and maintenance ship for producing hydrogen by reforming methanol according to claim 3,
the hydrogen power wind power operation and maintenance ship for hydrogen production by methanol reforming also comprises an oxygen circulation system and a hydrogen circulation system, wherein the hydrogen circulation system is respectively connected with the hydrogen supply system and the hydrogen fuel cell stack, and the oxygen circulation system is respectively connected with the oxygen supply system and the hydrogen fuel cell stack;
the oxygen circulation system is used for recycling and reusing the oxygen which is not completely consumed by the hydrogen fuel cell stack, and sending the oxygen into the hydrogen fuel cell stack again to participate in chemical reaction;
the hydrogen circulation system is used for recycling and reusing the hydrogen which is not completely consumed by the hydrogen fuel cell stack, and the hydrogen is sent into the hydrogen fuel cell stack again to participate in chemical reaction.
5. The hydrogen power wind power operation and maintenance ship for producing hydrogen by reforming methanol according to claim 4,
the monitoring system is respectively connected with the heat exchanger, the booster pump, the vaporization superheater, the reactor, the conduction oil heating furnace, the condenser, the water scrubber, the palladium membrane purification module, the hydrogen cylinder group, the hydrogen supply system, the oxygen supply system, the gas humidification system, the hydrogen fuel cell stack, the water circulation cooling system, the oxygen circulation system and the hydrogen circulation system;
the monitoring system is used for monitoring the power source conversion process.
6. The hydrogen power wind power operation and maintenance ship for producing hydrogen by reforming methanol according to claim 1,
the hydrogen fuel cell stack has a hydrogen gas discharge port.
7. The hydrogen power wind power operation and maintenance ship for producing hydrogen by reforming methanol according to claim 1,
the hydrogen fuel cell stack has an oxygen discharge port.
CN202310722928.XA 2023-06-19 2023-06-19 Hydrogen power wind power operation and maintenance ship for methanol reforming hydrogen production Withdrawn CN116639653A (en)

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CN202310722928.XA CN116639653A (en) 2023-06-19 2023-06-19 Hydrogen power wind power operation and maintenance ship for methanol reforming hydrogen production

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK182084B1 (en) * 2023-12-20 2025-07-08 Blue World Technologies Holding ApS A fuel cell system and a method of its operation, a vehicle and a method for propelling the vehicle with the fuel cell system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK182084B1 (en) * 2023-12-20 2025-07-08 Blue World Technologies Holding ApS A fuel cell system and a method of its operation, a vehicle and a method for propelling the vehicle with the fuel cell system
DK202330422A1 (en) * 2023-12-20 2025-07-08 Blue World Technologies Holding ApS A fuel cell system and a method of its operation, a vehicle and a method for propelling the vehicle with the fuel cell system

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