CN114033595A - Methanol hydrogen production power generation equipment and starting device and starting method thereof - Google Patents
Methanol hydrogen production power generation equipment and starting device and starting method thereof Download PDFInfo
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- CN114033595A CN114033595A CN202111412788.3A CN202111412788A CN114033595A CN 114033595 A CN114033595 A CN 114033595A CN 202111412788 A CN202111412788 A CN 202111412788A CN 114033595 A CN114033595 A CN 114033595A
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 408
- 239000001257 hydrogen Substances 0.000 title claims abstract description 179
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 179
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 171
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 135
- 238000010248 power generation Methods 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000000446 fuel Substances 0.000 claims description 72
- 239000007858 starting material Substances 0.000 claims description 64
- 239000007789 gas Substances 0.000 claims description 42
- 238000010438 heat treatment Methods 0.000 claims description 38
- 238000002485 combustion reaction Methods 0.000 claims description 32
- 239000002828 fuel tank Substances 0.000 claims description 16
- 230000005611 electricity Effects 0.000 claims description 14
- 239000003054 catalyst Substances 0.000 claims description 10
- 238000002407 reforming Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 9
- 239000003999 initiator Substances 0.000 description 5
- 238000006057 reforming reaction Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- GBMDVOWEEQVZKZ-UHFFFAOYSA-N methanol;hydrate Chemical compound O.OC GBMDVOWEEQVZKZ-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/04—Starting of engines by means of electric motors the motors being associated with current generators
-
- 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
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
- C01B3/323—Catalytic reaction of gaseous or liquid organic compounds other than hydrocarbons with gasifying agents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
- F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
- F02B63/042—Rotating electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/0859—Circuits or control means specially adapted for starting of engines specially adapted to the type of the starter motor or integrated into it
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/0862—Circuits or control means specially adapted for starting of engines characterised by the electrical power supply means, e.g. battery
-
- 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
-
- 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
- C01B2203/08—Methods of heating or cooling
- C01B2203/0805—Methods of heating the process for making hydrogen or synthesis gas
- C01B2203/0811—Methods of heating the process for making hydrogen or synthesis gas by combustion of fuel
- C01B2203/0822—Methods of heating the process for making hydrogen or synthesis gas by combustion of fuel the fuel containing hydrogen
-
- 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
- C01B2203/08—Methods of heating or cooling
- C01B2203/0805—Methods of heating the process for making hydrogen or synthesis gas
- C01B2203/085—Methods of heating the process for making hydrogen or synthesis gas by electric heating
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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
- 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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- 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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The invention discloses a starting device of methanol hydrogen production power generation equipment, which comprises a starting unit, wherein the starting unit provides electric energy and/or heat energy for the hydrogen production unit of the methanol hydrogen production power generation equipment and heats the hydrogen production unit. The starting unit of the starting device provides electric energy and/or heat energy for the hydrogen production unit of the methanol hydrogen production power generation equipment, and heats the hydrogen production unit, so that the hydrogen production unit can reach the starting condition, and the whole methanol hydrogen production power generation equipment can be ensured to realize starting operation. The invention also discloses a starting method of the methanol hydrogen production power generation equipment, which is used for the starting device and can start the methanol hydrogen production power generation equipment. The invention also discloses methanol hydrogen production power generation equipment applying the starting device, which can heat the hydrogen production unit to a temperature range meeting the requirement by using the electric energy and/or the heat energy provided by the starting unit to realize starting.
Description
Technical Field
The invention relates to the technical field of hydrogen energy utilization, in particular to a starting device of methanol hydrogen production power generation equipment, a starting method of the methanol hydrogen production power generation equipment and the methanol hydrogen production power generation equipment.
Background
The distributed power generation system is widely applied to production and life, for example, in communication base stations, emergency power supplies, extended-range electric vehicles, oil fields and mines and other scenes, generally adopts solar energy, wind energy or hydrogen energy as energy, supplies electric energy, heat energy, cold energy and the like to users after processing and production, and meets the energy utilization requirements in the distributed application scene.
At present, an innovative methanol hydrogen production power generation device applied to a distributed power generation system is produced due to the influence of factors such as power generation cost, fuel transportation safety, environmental pollution in the power generation process and the like. Referring to fig. 1, the methanol hydrogen production power generation apparatus includes a methanol fuel 101, a hydrogen production unit 102, and a power generation unit 103, wherein the hydrogen production unit 102 takes methanol as a fuel, reforms the fuel into hydrogen-rich gas at a temperature of 200 ℃ to 300 ℃, and the hydrogen-rich gas enters the power generation unit 103 to generate power, and further outputs electric energy to be supplied to the power consumption unit 104.
However, the hydrogen production unit 102 can be started only when the temperature reaches 200-300 ℃, so that the whole methanol hydrogen production power generation equipment is started to operate and has continuous electric energy output, and therefore, the technical staff in the field needs to solve the problem of how to make the hydrogen production unit of the methanol hydrogen production power generation equipment reach the starting temperature.
Disclosure of Invention
In view of this, the invention provides a starting device of a methanol hydrogen production power generation device, wherein a starting unit of the starting device provides electric energy and/or heat energy for a methanol hydrogen production unit and heats the hydrogen production unit, so that the hydrogen production unit reaches a starting condition, and the whole methanol hydrogen production power generation device can be started to operate. The invention also provides a starting method of the methanol hydrogen production power generation equipment, which is used for the starting device, and the methanol hydrogen production power generation equipment using the starting device.
In order to achieve the purpose, the invention provides the following technical scheme:
a starting device of methanol hydrogen production power generation equipment comprises a starting unit, wherein the starting unit provides electric energy and/or heat energy for a hydrogen production unit of the methanol hydrogen production power generation equipment and heats the hydrogen production unit.
Preferably, in the starting apparatus, the starting means includes:
starting the generator;
the heat engine is used for utilizing methanol fuel or hydrogen-rich gas fuel to perform combustion work and driving the starter generator to run for power generation; and a tail gas discharge port of the heat engine provides high-temperature tail gas for a heat exchanger of the hydrogen production unit through a pipeline.
Preferably, in the starting apparatus, the heat engine is controlled to start by the starter-generator; the starting unit further includes:
a battery for supplying a starting power to the starter generator;
the starting generator is used for rotating after obtaining a starting power supply and driving the heat engine to rotate to realize starting.
Preferably, in the starting apparatus, the heat engine is driven to start by a starter.
Preferably, in the starting apparatus, the heat engine uses methanol fuel to perform combustion work and drives the starter generator to operate and generate power.
Preferably, in the starting apparatus, the heat engine uses hydrogen-rich gas fuel to perform combustion work and drives the starter generator to operate and generate power; the starting unit further includes:
a heating wire member loaded with a reforming catalyst, the heating wire member being capable of heating methanol fuel input into the heating wire member to produce hydrogen-rich gas fuel for delivery to the heat engine.
Preferably, in the starting apparatus, the starting unit further includes a battery, and the battery is electrically connected to the heating wire member.
Preferably, the methanol hydrogen production power generation plant comprises a dual-fuel heat engine and a starter generator, and the starting unit comprises a storage battery;
when starting, the storage battery provides starting electric energy for the starter generator, the starter generator drives the dual-fuel heat engine to run, and the dual-fuel heat engine obtains methanol fuel and burns the methanol fuel;
during normal operation, the dual-purpose fuel heat engine obtains hydrogen-rich fuel and burns the hydrogen-rich fuel to drive the starter generator to generate electricity.
Preferably, in the starting apparatus, the starting unit includes a combustion chamber, and the combustion chamber is used for providing high-temperature tail gas for the heat exchanger of the hydrogen production unit.
Preferably, in the above starting apparatus, the starting unit includes a power supply element for supplying power to the heating wire of the hydrogen production unit.
A starting method of a methanol hydrogen production power generation plant, which is used for the starting device according to any one of the above technical solutions, and comprises the following steps:
1) the starting unit obtains a starting instruction;
2) the startup unit operates to generate electrical and/or thermal energy and delivers it to the hydrogen production unit.
Preferably, in the above starting method, the step 2) is:
the heat engine of the starting unit is started, methanol fuel or hydrogen-containing fuel sprayed into a combustion chamber of the starting unit is utilized to perform combustion work to generate mechanical energy, and the mechanical energy drives the starter generator to rotate to generate electricity; and the high-temperature tail gas of the heat engine is introduced into the heat exchanger of the hydrogen production unit through a pipeline.
Preferably, in the above starting method, "the starting of the heat engine" is:
the storage battery of the starting unit supplies power to the starter generator, and the starter generator starts to rotate and drives the heat engine to rotate and start; or
The starter of the starting unit drives the heat engine to start.
Preferably, in the above starting method, the methanol fuel is provided by a methanol fuel tank of the methanol hydrogen production power plant;
the hydrogen-containing fuel is a hydrogen-rich gas supplied from a heating wire member of the starting unit that supports a reforming catalyst.
Preferably, in the above starting method, the step 2) is:
the methanol fuel tank of the methanol hydrogen production power generation equipment conveys methanol fuel to the combustion chamber of the starting unit and burns the methanol fuel in the combustion chamber to generate high-temperature tail gas, and the high-temperature tail gas is conveyed to the heat exchanger of the hydrogen production unit; or
The power supply element of the starting unit is electrically communicated with the heating wire of the hydrogen production unit.
A methanol hydrogen production power generation device comprises a starting device, wherein the starting device is the starting device in any one of the technical schemes.
The invention provides a starting device of methanol hydrogen production power generation equipment, which comprises a starting unit, wherein the starting unit provides electric energy and/or heat energy for the hydrogen production unit of the methanol hydrogen production power generation equipment and heats the hydrogen production unit.
The starting unit of the starting device provides electric energy and/or heat energy for the hydrogen production unit of the methanol hydrogen production power generation equipment, and heats the hydrogen production unit, so that the hydrogen production unit can reach the starting condition, and the whole methanol hydrogen production power generation equipment can be ensured to realize starting operation.
The invention provides a starting method of methanol hydrogen production power generation equipment, which is used for the starting device and can start the methanol hydrogen production power generation equipment.
The invention also provides a methanol hydrogen production power generation device applying the starting device, which can heat the hydrogen production unit to a temperature range meeting the requirement by using the electric energy and/or the heat energy provided by the starting unit to realize starting.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a methanol-to-hydrogen power plant without a starter assembly according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first starting device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a second starting device according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a first methanol-to-hydrogen power generation plant provided by an embodiment of the invention;
FIG. 5 is a schematic structural diagram of a second methanol-to-hydrogen power generation plant provided by an embodiment of the invention;
FIG. 6 is a schematic structural diagram of a third starting device according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a third methanol-to-hydrogen power plant provided in an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a fourth starting apparatus according to an embodiment of the present invention;
FIG. 9 is a schematic structural diagram of a fourth methanol-to-hydrogen power generation plant provided by an embodiment of the present invention;
wherein, in fig. 1-9:
a methanol hydrogen production power plant 100; a methanol fuel tank 101; a hydrogen production unit 102; a heat exchanger 121; heating wires 122; a power generation unit 103; a power utilization unit 104; a start-up unit 200; a heat engine 201; a starter generator 202; a storage battery 203; an initiator 204; a heating wire member 205; a combustion chamber 206.
Detailed Description
The embodiment of the invention discloses a starting device of methanol hydrogen production power generation equipment, wherein a starting unit of the starting device provides electric energy and/or heat energy for a hydrogen production unit and heats the hydrogen production unit, so that the hydrogen production unit reaches a starting condition and the whole methanol hydrogen production power generation equipment can be started to operate. The embodiment of the invention also discloses a starting method of the methanol hydrogen production power generation equipment, which is used for the starting device, and the methanol hydrogen production power generation equipment applying the starting device.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 9, a starting apparatus of a methanol hydrogen production power plant 100 according to an embodiment of the present invention includes a starting unit 200, and the starting unit 200 provides electric energy and/or heat energy to a hydrogen production unit 102 of the methanol hydrogen production power plant 100 and heats the hydrogen production unit 102.
The starting unit 200 of the starting device provides electric energy and/or heat energy for the hydrogen production unit 102 of the methanol hydrogen production power generation equipment 100, and heats the hydrogen production unit 102, so that the hydrogen production unit 102 can reach the starting condition, and the whole methanol hydrogen production power generation equipment 100 can be ensured to realize starting operation.
The methanol hydrogen production power generation device 100 comprises a methanol fuel tank 101, a hydrogen production unit 102 and a power generation unit 103, wherein the hydrogen production unit 102 comprises a heat exchanger 121 and can also comprise a heating wire 122, and the heating wire 122 is arranged at the heat exchanger 121 and provides a heat source for the heat exchanger 121 to heat the hydrogen production unit 102; the power generation unit 103 is used to supply power to the electricity utilization unit 104.
Specifically, in the starting apparatus provided in the above embodiment, the starting unit 200 includes:
a starter generator 202;
the heat engine 201, the heat engine 201 is used for utilizing methanol fuel or hydrogen-rich gas fuel to burn and do work and drive the above-mentioned starter generator 202 to run and generate electricity; the exhaust gas discharge port of the heat engine 201 supplies high-temperature exhaust gas to the heat exchanger 121 of the hydrogen production unit 102 through a pipeline.
After the heat engine 201 is started, chemical energy of the fuel is converted into mechanical energy, the mechanical energy can be used for driving the starter generator 202 to rotate to generate electricity, and in order to avoid energy waste, the electricity generated by the starter generator 202 can be provided for the electricity utilization unit 104; in the scheme that the hydrogen production unit 102 comprises the heating wire 122, the power generated by the starter generator 202 can be preferentially provided to the heating wire 122, so that the starting unit 200 can simultaneously provide heat energy and electric energy to the hydrogen production unit 102, and the starting process of the methanol hydrogen production power generation equipment 100 is accelerated; of course, the amount of power generated by the starter generator 202 can also be provided to the battery 203 for storage, and the embodiment is not limited.
As shown in fig. 2, 4, 5, heat engine 201 may be configured to be controlled to start by starter generator 202; accordingly, the starting unit 200 further includes:
a battery 203, the battery 203 being used to supply starting power to the starter generator 202;
the starter generator 202 is configured to rotate after obtaining a starting power supply, and drives the heat engine 201 to rotate to realize starting. The heat engine 201 includes, but is not limited to, piston type methanol internal combustion engine, methanol gas turbine shaft engine, methanol combustion furnace and other heat engine forms; the starter generator 202 is an integrated ISG permanent magnet starter generator that functions as both a starter and a generator. The battery 203 includes, but is not limited to, lead-acid batteries, lithium batteries, metal-air batteries, and the like.
During operation, after the starting unit 200 receives a starting control instruction, the storage battery 203 supplies power to the starter generator 202, the starter generator 202 starts to rotate to drive the heat engine 201 to rotate, the heat engine 201 obtains liquid methanol fuel from the methanol fuel tank 101, methanol is sprayed into a combustion chamber of the heat engine 201 to ignite and burn, the heat engine 201 starts to continuously burn to generate high-temperature tail gas, and the high-temperature tail gas heats the hydrogen production unit 102 through the heat exchanger 121; meanwhile, the heat engine 201 works to generate mechanical rotational energy to drive the starter generator 202 to rotate for power generation, and the generated electrical energy heats the hydrogen production unit 102 through the heating wire 122. When the temperature in the hydrogen production unit 102 reaches the reforming reaction temperature, the hydrogen production unit 102 obtains liquid methanol fuel from the methanol fuel tank 101, and the methanol hydrogen production power generation plant 100 is successfully started to operate normally. The starting unit 200 can select to continue or stop working according to the requirement.
As shown in fig. 3, the heat engine 201 may also be configured to be started by a starter generator 202 and a starter 204, so that the methanol hydrogen production power generation plant 100 is not limited by the power shortage time of the storage battery 203, and can still be started after the methanol hydrogen production power generation plant 100 is left for a long time. The initiator 204 includes, but is not limited to, a pull-type initiator, a compressed air turbine type initiator, a spring-loaded initiator, and the like.
The heat engine 201 and the starter generator 202 in the starting unit 200 may be provided as separately arranged components, respectively, as shown in fig. 4; when the power generation unit 103 uses a methanol and hydrogen-rich dual-purpose fuel heat engine (such as a piston generator or a micro gas turbine generator), the starting functions of the heat engine 201 and the starter generator 202 in the starting unit 200 can be replaced by the power generation unit 103, and accordingly, the starting unit 200 is configured to include only the storage battery 203, as shown in fig. 5, and the operation is as follows:
taking the power generation unit 103 as an example of a single-cylinder piston type four-stroke methanol/hydrogen-rich dual-purpose fuel starting generator, when the starting unit 200 receives a starting instruction, the power generation unit 103 is switched to a methanol feeding mode, the storage battery 203 provides starting electric energy for the starting generator in the power generation unit 103, the starting generator is started by using a methanol fuel cooler in a methanol fuel tank 101, and high-temperature tail gas generated by methanol combustion heats the hydrogen production unit 102 through the heat exchanger 121; meanwhile, the power generation unit 103 generates electric energy to heat the heating wire 122, so as to heat the hydrogen production unit 102. When the temperature in the hydrogen production unit 102 reaches the reforming reaction temperature, the hydrogen production unit 102 obtains methanol fuel from the methanol fuel tank 101, the methanol hydrogen production power generation device 100 is successfully started to operate normally, the methanol supply route of the power generation unit 103 is closed, and the start is completed.
In the starting device provided by the above embodiment, the heat engine 201 uses the methanol fuel to perform combustion work and drives the starter generator 202 to operate and generate electricity.
The heat engine 201 can also be arranged to utilize the hydrogen-rich gas fuel to burn and produce work and drive the starter generator 202 to run and generate electricity; the starting unit 200 includes, in addition to the heat engine 201 and the starter generator 202:
a heating wire member 205 loaded with a reforming catalyst, the heating wire member 205 being capable of heating the methanol fuel input into the heating wire member 205 to produce a hydrogen rich gas fuel for delivery to the heat engine 201.
Further, the starting unit 200 provided in this embodiment further includes a storage battery 203, and the storage battery 203 is electrically connected to the heating wire member 205 for supplying power to the heating wire member 205. Of course, in this embodiment, the heat engine 201 may be configured to be driven by the starter generator 202 to start, and accordingly, the storage battery 203 also supplies power to the starter generator 202; the heat engine 201 in this embodiment may also be configured to be driven by the starter 204 to start, and accordingly, the storage battery 203 supplies power only to the heating wire member 205. The working principle is described in detail below with reference to the accompanying drawings:
referring to fig. 7, methanol fuel in the methanol fuel 101 first enters the heating wire member 205 containing a catalyst, the storage battery 203 supplies electric energy to the heating wire member 205 containing the catalyst, the heating wire member 205 heats and performs a reforming reaction under the action of the catalyst to generate a small amount of hydrogen-rich gas, and the hydrogen-rich gas enters the heat engine 201; the storage battery 203 provides electric energy for the starter generator 202, the starter generator 202 drives the heat engine 201 to start, the hydrogen-rich gas is combusted in the heat engine 201, the generated high-temperature tail gas enters the heat exchanger 121 to provide heat energy for the hydrogen production unit 102, and meanwhile, the electric energy generated by the starter generator 202 heats the heating wire 122. When the temperature in the hydrogen production unit 102 reaches the reforming reaction temperature, the hydrogen production unit 102 obtains methanol fuel from the methanol fuel tank 101, and the methanol hydrogen production power generation plant 100 is successfully started up and normally operates. The startup unit 200 is turned off and the startup process is completed.
The starting device provided by the embodiment of the invention adopts another mode to start the methanol hydrogen production power generation equipment 100: as shown in fig. 8-9, start-up unit 200 includes a combustion chamber 206, combustion chamber 206 being used to provide high temperature tail gas to heat exchanger 121 of hydrogen-producing unit 102. A combustion catalyst is disposed within the combustion chamber 206. When in work:
methanol fuel in the methanol fuel tank 101 enters a combustion chamber 206 containing a combustion catalyst and is combusted, and generated high-temperature tail gas enters a heat exchanger 121 and heats the hydrogen production unit 102; when the temperature in the hydrogen production unit 102 reaches the reaction starting temperature, the hydrogen production unit 102 obtains methanol fuel from the methanol fuel tank 101, and the methanol hydrogen production power generation plant 100 is successfully started to operate normally. The startup unit 200 is turned off and the startup process is completed.
The methanol fuel in the methanol fuel tank 101 can have 2 forms: one form is that a tank is filled with methanol aqueous solution, namely methanol + water + additive in a certain proportion, and the methanol aqueous solution directly enters the starting unit 200 for reaction; the other form is two tanks, one is filled with pure methanol and the other is filled with water, and the methanol fuel (namely the methanol water solution) is proportioned in real time through a real-time online proportioning device; during the starting process of the methanol hydrogen production power generation equipment 100, pure methanol enters the starting unit 200 to start, and after the methanol hydrogen production power generation equipment 100 is started, methanol fuel (namely methanol aqueous solution) which is proportioned in real time enters the hydrogen production unit 102 to react.
Of course, starter unit 200 may also be configured to provide electrical power directly to hydrogen-producing unit 102 only to heat the hydrogen-producing unit, and accordingly, starter unit 200 includes a power supply for supplying electrical power to heating wires 122 of hydrogen-producing unit 102. The power supply member may be provided as a battery.
The embodiment of the present invention further provides a starting method for a methanol hydrogen production power generation apparatus 100, which is used for the starting apparatus provided by the above embodiment, and includes:
1) the starting unit 200 obtains a starting instruction;
2) the starter unit 200 operates to generate electrical and/or thermal energy that is delivered to the hydrogen-producing unit 102.
Specifically, the step 2) is:
the heat engine 201 of the starting unit 200 is started, and methanol fuel or hydrogen-containing fuel which is sprayed into a combustion chamber of the heat engine 201 is utilized to perform combustion work to generate mechanical energy and drive the starter generator 202 to rotate for generating electricity; the high-temperature tail gas of the heat engine 201 is introduced into the heat exchanger 121 of the hydrogen production unit 102 through a pipeline.
The "starting of the heat engine 201" specifically includes:
the storage battery 203 of the starting unit 200 supplies power to the starter generator 202, and the starter generator 202 starts to rotate and drives the heat engine 201 to rotate and start; or
The starter 204 of the starting unit 200 drives the thermal engine 201 to start.
The methanol fuel in the step 2) is provided by a methanol fuel tank 101 of the methanol hydrogen production power generation equipment 100; the "hydrogen-containing fuel" is a hydrogen rich gas that is supplied from the heating wire member 205 of the starting unit 200.
The step 2) may be further configured as follows:
the methanol fuel tank 101 of the methanol hydrogen production power generation device 100 conveys methanol fuel to the combustion chamber 206 of the starting unit 200 and burns the methanol fuel in the combustion chamber 206 to generate high-temperature tail gas, and the high-temperature tail gas is conveyed to the heat exchanger 121 of the hydrogen production unit 102; or the power supply element of the starter unit 200 is in electrical communication with the heating wire 122 of the hydrogen-producing unit 102.
The embodiment of the invention provides a starting method for the starting device provided by the above embodiment, which can start the methanol hydrogen production power generation equipment and is not described herein again.
The invention also provides a methanol hydrogen production power generation device which comprises a starting device, wherein the starting device is provided by the embodiment.
The methanol hydrogen production power generation device provided by the embodiment can heat the hydrogen production unit 102 to a temperature range meeting the requirement by using the electric energy and/or the heat energy provided by the starting unit 200, so as to realize the starting.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (16)
1. The starting device of the methanol hydrogen production power generation equipment is characterized by comprising a starting unit, wherein the starting unit provides electric energy and/or heat energy for the hydrogen production unit of the methanol hydrogen production power generation equipment and heats the hydrogen production unit.
2. The starting device according to claim 1, wherein the starting unit comprises:
starting the generator;
the heat engine is used for utilizing methanol fuel or hydrogen-rich gas fuel to perform combustion work and driving the starter generator to run for power generation; and a tail gas discharge port of the heat engine provides high-temperature tail gas for a heat exchanger of the hydrogen production unit through a pipeline.
3. A starting device according to claim 2, characterized in that said thermal engine is controlled to start by said starter-generator; the starting unit further includes:
a battery for supplying a starting power to the starter generator;
the starting generator is used for rotating after obtaining a starting power supply and driving the heat engine to rotate to realize starting.
4. A starting device according to claim 2, characterised in that said thermal engine is driven for starting by a starter.
5. The starting device according to any one of claims 2 to 4, wherein the heat engine uses methanol fuel to burn and produce work and drive the starter generator to operate and generate electricity.
6. The starting device according to claim 2, wherein the heat engine uses hydrogen-rich gas fuel to perform work by combustion and drives the starter generator to generate electricity; the starting unit further includes:
a heating wire member loaded with a reforming catalyst, the heating wire member being capable of heating methanol fuel input into the heating wire member to produce hydrogen-rich gas fuel for delivery to the heat engine.
7. The starting device as set forth in claim 6, wherein said starting unit further comprises a storage battery, said storage battery being electrically connected with said heating wire member.
8. The starting apparatus of claim 1, wherein the methanol-to-hydrogen power plant comprises a dual-fuel heat engine and a starter generator, and the starting unit comprises a battery;
when starting, the storage battery provides starting electric energy for the starter generator, the starter generator drives the dual-fuel heat engine to run, and the dual-fuel heat engine obtains methanol fuel and burns the methanol fuel;
during normal operation, the dual-purpose fuel heat engine obtains hydrogen-rich fuel and burns the hydrogen-rich fuel to drive the starter generator to generate electricity.
9. The startup device of claim 1, wherein the startup unit comprises a combustion chamber for providing high temperature tail gas to a heat exchanger of the hydrogen-producing unit.
10. The starting device according to claim 1, wherein the starting unit comprises a power supply member for supplying power to a heating wire of the hydrogen production unit.
11. A starting method of a methanol hydrogen production power plant, which is used for the starting apparatus of any one of claims 1 to 10, characterized by comprising:
1) the starting unit obtains a starting instruction;
2) the startup unit operates to generate electrical and/or thermal energy and delivers it to the hydrogen production unit.
12. The starting method according to claim 11, wherein the step 2) is:
the heat engine of the starting unit is started, methanol fuel or hydrogen-containing fuel sprayed into a combustion chamber of the starting unit is utilized to perform combustion work to generate mechanical energy, and the mechanical energy drives the starter generator to rotate to generate electricity; and the high-temperature tail gas of the heat engine is introduced into the heat exchanger of the hydrogen production unit through a pipeline.
13. The starting method according to claim 12, characterized in that the "heat engine start" is:
the storage battery of the starting unit supplies power to the starter generator, and the starter generator starts to rotate and drives the heat engine to rotate and start; or
The starter of the starting unit drives the heat engine to start.
14. The start-up method of claim 12, wherein the methanol fuel is a methanol fuel provided from a methanol fuel tank of the methanol-to-hydrogen power plant;
the hydrogen-containing fuel is a hydrogen-rich gas supplied from a heating wire member of the starting unit that supports a reforming catalyst.
15. The starting method according to claim 11, wherein the step 2) is:
the methanol fuel tank of the methanol hydrogen production power generation equipment conveys methanol fuel to the combustion chamber of the starting unit, and the methanol fuel is combusted in the combustion chamber to generate high-temperature tail gas, and the high-temperature tail gas is conveyed to the heat exchanger of the hydrogen production unit; or
The power supply element of the starting unit is electrically communicated with the heating wire of the hydrogen production unit.
16. A methanol-to-hydrogen power plant characterized by comprising a starting device according to any one of claims 1 to 10.
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