CN115263535A - Methanol reforming internal combustion engine power generation range-extending equipment and vehicle - Google Patents
Methanol reforming internal combustion engine power generation range-extending equipment and vehicle Download PDFInfo
- Publication number
- CN115263535A CN115263535A CN202210929994.XA CN202210929994A CN115263535A CN 115263535 A CN115263535 A CN 115263535A CN 202210929994 A CN202210929994 A CN 202210929994A CN 115263535 A CN115263535 A CN 115263535A
- Authority
- CN
- China
- Prior art keywords
- methanol
- combustion engine
- internal combustion
- reforming
- heat exchanger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 348
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 144
- 238000002407 reforming Methods 0.000 title claims abstract description 143
- 238000010248 power generation Methods 0.000 title claims abstract description 38
- 239000007789 gas Substances 0.000 claims abstract description 88
- GBMDVOWEEQVZKZ-UHFFFAOYSA-N methanol;hydrate Chemical compound O.OC GBMDVOWEEQVZKZ-UHFFFAOYSA-N 0.000 claims abstract description 75
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 69
- 239000001257 hydrogen Substances 0.000 claims abstract description 66
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 238000004519 manufacturing process Methods 0.000 claims abstract description 26
- 239000007864 aqueous solution Substances 0.000 claims abstract description 13
- 238000005086 pumping Methods 0.000 claims abstract description 6
- 239000000243 solution Substances 0.000 claims description 39
- 238000003860 storage Methods 0.000 claims description 33
- 238000004146 energy storage Methods 0.000 claims description 32
- 239000003507 refrigerant Substances 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 238000001816 cooling Methods 0.000 claims description 23
- 239000000446 fuel Substances 0.000 claims description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000007254 oxidation reaction Methods 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 239000003054 catalyst Substances 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 40
- 229910002092 carbon dioxide Inorganic materials 0.000 description 20
- 239000001569 carbon dioxide Substances 0.000 description 20
- 238000000034 method Methods 0.000 description 17
- 238000006243 chemical reaction Methods 0.000 description 12
- 239000002918 waste heat Substances 0.000 description 6
- 239000002826 coolant Substances 0.000 description 5
- 238000006057 reforming reaction Methods 0.000 description 5
- 230000003197 catalytic effect Effects 0.000 description 4
- 150000002431 hydrogen Chemical class 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000000110 cooling liquid Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000009834 vaporization Methods 0.000 description 3
- 230000008016 vaporization Effects 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 238000002453 autothermal reforming Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000010504 bond cleavage reaction Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- -1 hydrogen ions Chemical class 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- F02B43/00—Engines characterised by operating on gaseous fuels; Plants including such engines
- F02B43/10—Engines or plants characterised by use of other specific gases, e.g. acetylene, oxyhydrogen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the 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
- C01B3/34—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 by reaction of hydrocarbons with gasifying agents
- C01B3/38—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 by reaction of hydrocarbons with gasifying agents using catalysts
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G5/00—Profiting from waste heat of combustion engines, not otherwise provided for
- F02G5/02—Profiting from waste heat of exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0203—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels characterised by the type of gaseous fuel
- F02M21/0206—Non-hydrocarbon fuels, e.g. hydrogen, ammonia or carbon monoxide
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Transportation (AREA)
- Hydrogen, Water And Hydrids (AREA)
Abstract
The invention provides a methanol reforming internal combustion engine power generation range-extending device and a vehicle, relates to the technical field of internal combustion engines, and solves the problem of low energy utilization rate in the prior art; the device also comprises a reforming reactor, a methanol water tank and a methanol pump; the gas inlet and the gas outlet of the reforming reactor are respectively connected with the methanol pump and the gas ejector; the methanol water tank is used for storing a methanol aqueous solution used for reforming hydrogen production, and the methanol pump is used for pumping the methanol aqueous solution stored in the methanol water tank to the reforming reactor; the exhaust pipe of the internal combustion engine is connected with the reforming reactor and is used for providing a heat source for reforming hydrogen production. Compared with the prior art, the invention has higher energy utilization rate.
Description
Technical Field
The invention relates to the technical field of internal combustion engines, in particular to power generation and range extension equipment of a methanol reforming internal combustion engine and a vehicle.
Background
On a vehicle, in the working process of a traditional internal combustion engine, only one third of heat does work, and the rest of heat is discharged to the outside to be wasted, so that the energy utilization rate is low, the environment is greatly polluted, and if the discharged energy can be utilized, the efficiency of the internal combustion engine is greatly improved.
Chinese patent No. CN103693618A discloses a hydrogen production reactor using waste heat of automobile exhaust to perform autothermal reforming for hydrogen production, which uses high-temperature exhaust of an automobile as a heating source for hydrogen production by reforming in the hydrogen production reactor, but the waste heat generated by the operation of an internal combustion engine is not fully utilized, and is wasted seriously at all.
Disclosure of Invention
The invention aims to design power generation range-extending equipment and a vehicle of a methanol reforming internal combustion engine, which are used for solving the problem of low energy utilization rate.
The invention is realized by the following technical scheme:
the invention provides a methanol reforming internal combustion engine power generation range-extending device which comprises a generator set, wherein a water cooling system is matched with an internal combustion engine of the generator set, the internal combustion engine is provided with an air injector for providing gas fuel for a combustion chamber of the internal combustion engine, the generator set is electrically connected with a battery energy storage system, and the battery energy storage system is electrically connected with a motor for providing required electric energy for the motor; the device also comprises a reforming reactor, a methanol water tank and a methanol pump; the gas inlet and the gas outlet of the reforming reactor are respectively connected with the methanol pump and the gas ejector; the methanol water tank is used for storing a methanol aqueous solution used for reforming hydrogen production, and the methanol pump is used for pumping the methanol aqueous solution stored in the methanol water tank to the reforming reactor; and the exhaust pipe of the internal combustion engine is connected with the reforming reactor and is used for providing a heat source for reforming hydrogen production.
When adopting above-mentioned structure that sets up, can charge for battery energy storage system among the generating set operation process, battery energy storage system can provide the electric energy for the motor and be used for driving the vehicle, and the high temperature tail gas of internal-combustion engine can provide the required heat of reaction for the reforming reactor simultaneously, after the methanol pump was sent the reforming reactor with methyl alcohol aqueous solution from the methanol water tank pump, under hydrogen production catalytic action, methyl alcohol can the scission reaction generate CO and H 2 And CO will react with water vapor to form CO 2 And H 2 To obtain CO 2 And H 2 The mixture of air and fuel is used for supplying the internal combustion engine to continue running. The reforming reactor utilizes the energy of high-temperature tail gas generated in the running process of the internal combustion engine, and simultaneously stores part of energy in the battery energy storage system for standby through the generator set, so that the utilization rate of the energy is improved, certain running time can be increased, and the running mileage can be increased when the reforming reactor is applied to a vehicle.
In order to further better implement the invention, the following arrangement structure is particularly adopted: the methanol reforming system also comprises a first heat exchanger, wherein the inlet of a refrigerant channel of the first heat exchanger is connected with the methanol pump, and the outlet of the refrigerant channel of the first heat exchanger is connected with the air inlet of the reforming reactor; and the exhaust pipe of the internal combustion engine is connected in series with the heat medium channel of the first heat exchanger.
When the structure is adopted, the first heat exchanger and the reforming reactor simultaneously utilize the high-temperature tail gas of the internal combustion engine, the utilization rate of energy is further improved, and meanwhile, the methanol water solution can be heated and vaporized in the first heat exchanger.
In order to further better implement the invention, the following arrangement structure is adopted in particular: the heat exchanger also comprises a second heat exchanger; a heating medium channel of the second heat exchanger is connected to the water cooling system; and a refrigerant channel inlet of the second heat exchanger is connected with the methanol pump, and a refrigerant channel outlet is connected with a refrigerant channel inlet of the first heat exchanger.
When the structure is adopted, the second heat exchanger can increase the heat of the water cooling system of the internal combustion engine while the first heat exchanger utilizes the exhaust heat of the internal combustion engine, so that the energy utilization rate is improved, and the methanol water solution is heated and vaporized by the second heat exchanger before entering the first heat exchanger, so that the temperature of the methanol water vapor can be gradually increased.
In order to further better implement the invention, the following arrangement structure is particularly adopted: the methanol pump is connected with a second oil injector, and the second oil injector is connected with the inlet of the refrigerant channel of the second heat exchanger and used for atomizing the methanol water solution into the refrigerant channel of the second heat exchanger.
When the structure is adopted, the second oil sprayer can spray the methanol water solution into the refrigerant channel of the second heat exchanger in an atomization mode, and the heat absorption vaporization efficiency can be improved.
In order to further better implement the invention, the following arrangement structure is adopted in particular: and heat conducting oil is filled in a circulating cooling water path of the water cooling system.
When adopting above-mentioned structure that sets up, cooling liquid of water cooling system can improve to cooling system's temperature when being the conduction oil, can let methanol-water once vaporize, becomes methanol-water steam with methanol-water.
In order to further better implement the invention, the following arrangement structure is particularly adopted: and a heat medium pipeline is also arranged in the reforming reactor, and the exhaust pipe of the internal combustion engine is sequentially connected in series with the heat medium pipeline of the reforming reactor and the heat medium pipeline of the first heat exchanger.
In order to further better implement the invention, the following arrangement structure is adopted in particular: the reforming reactor is characterized by further comprising a gas storage tank, wherein a gas outlet of the reforming reactor is connected with a gas inlet of the gas storage tank, and a gas outlet of the gas storage tank is connected with the gas injector through a pressure reducing valve.
When the structure is adopted, the gas storage tank can store redundant hydrogen for later use, and can be matched with a pressure reducing valve to ensure that the pressure of the inlet of the jet ejector is constant so as to maintain stable fuel supply. The gas storage tank and the battery energy storage system are matched to store redundant hydrogen and redundant electric energy in two forms, so that energy can be utilized to the maximum extent.
In order to further better implement the invention, the following arrangement structure is adopted in particular: and a first radiator for radiating the prepared gas is connected in series between the exhaust port of the reforming reactor and the gas storage tank.
When the structure is arranged, the temperature of mixed gas at the inlet of the gas storage tank can be reduced by the arrangement of the first radiator, so that more hydrogen can be stored in the gas storage tank.
In order to further better implement the invention, the following arrangement structure is particularly adopted: the device also comprises a flameless combustion reaction device, a fan, a third oil sprayer and a first oil sprayer;
the methanol pump is respectively connected with the first oil injector, the second oil injector and the third oil injector and is used for respectively pumping methanol water solution to each oil injector;
the first oil sprayer is connected with an inlet of a refrigerant channel of the first heat exchanger and used for atomizing and spraying the methanol water solution into the refrigerant channel of the first heat exchanger;
the exhaust pipe of the internal combustion engine is connected in series with a flameless combustion reaction device positioned at the upstream of the reforming reactor, and the flameless combustion reaction device is used for enabling methanol and oxygen to have an oxidation reaction under the action of a catalyst; the fan is connected to an exhaust pipe of the internal combustion engine and is used for providing required oxygen for the flameless combustion reaction device; and the third oil injector is used for atomizing and injecting the methanol water solution into the flameless combustion reaction device to provide the required methanol.
When the structure is adopted, before the generator set is started, the methanol pump can pump the methanol water solution to the third oil sprayer, the third oil sprayer can spray the atomized methanol water solution into the flameless combustion reaction device to be oxidized and release heat, heat can be provided for the reforming reactor and the first heat exchanger, hydrogen is produced and is used for cold start of the generator set, and thus, the methanol can be completely used as fuel.
The invention also provides a vehicle which is provided with the power generation range increasing device of the methanol reforming internal combustion engine.
The invention has the following advantages and beneficial effects:
according to the invention, the generator set can charge the battery energy storage system in the operation process, the battery energy storage system can provide electric energy for the motor to drive the vehicle, meanwhile, the high-temperature tail gas of the internal combustion engine can provide heat required by the reaction for the reforming reactor, after the methanol pump pumps the methanol water solution from the methanol water tank to the reforming reactor, under the catalytic action of hydrogen production, the methanol can be subjected to cracking reaction to generate CO and H 2 And CO will react with water vapor to form CO 2 And H 2 To obtain CO 2 And H 2 The mixture is used to supply the internal combustion engine to continue running. The reforming reactor utilizes the energy of high-temperature tail gas generated in the running process of the internal combustion engine, and simultaneously stores part of energy in the battery energy storage system for standby through the generator set, so that the utilization rate of the energy is improved, certain running time can be increased, and the running mileage can be increased when the reforming reactor is applied to a vehicle.
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 driving schematic diagram of a power generation range-extending apparatus of a methanol reforming internal combustion engine of embodiment 3;
fig. 2 is a driving schematic diagram of a power generation range extending device of a methanol reforming internal combustion engine of embodiment 4.
Labeled as:
1. a generator set; 1a, an air sprayer; 2. a battery energy storage system; 3. an electric motor; 4. a reforming reactor; 5. a first heat exchanger; 6. a methanol water tank; 7. a methanol pump; 8. a gas storage tank; 9. a second heat exchanger; 10. a second fuel injector; 11. a flameless combustion reaction device; 12. a fan; 13. a third fuel injector; 14. a first heat sink; 15. a pressure reducing valve; 16. a coolant circulation pump; 17. a second heat sink; 18. a safety relief valve; 19. a first fuel injector.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.
Example 1:
the power generation range-extending equipment for the methanol reforming internal combustion engine has high energy utilization rate, and is particularly provided with the following structures as shown in figures 1 and 2:
the power generation range-extending equipment of the methanol reforming internal combustion engine adopts the mixed power of methanol and electricity. The hydrogen obtained by reforming the methanol to produce hydrogen through the reforming reactor 4 is used as gas fuel to drive the internal combustion engine of the generator set 1 to operate, and the redundant power generated by the internal combustion engine set 1 is stored through a battery, so that the energy utilization rate is improved in a hybrid power mode, and the purpose of increasing the range is achieved.
The methanol reforming internal combustion engine power generation range-extending equipment comprises a set of generator set 1, wherein the generator set 1 comprises an internal combustion engine and a generator which are connected through a coupler.
The internal combustion engine is provided with a gas injector 1a for injecting hydrogen gas into its combustion chamber. The internal combustion engine is equipped with a water cooling system including a circulating cooling water path, and a coolant circulating pump 16 and a second radiator 17 disposed in the circulating cooling water path. When the internal combustion engine works, the temperature of the piston and the cylinder body is over 1000 ℃, and the water cooling system can ensure that the piston and the cylinder body are not damaged by high temperature. During the working process of the internal combustion engine, exhaust gas at about 700 ℃ is generated, and the temperature of the exhaust gas can be used for reforming the methanol water to produce hydrogen.
The generator of the generator set 1 is electrically connected with a battery energy storage system 2, and the battery energy storage system 2 is electrically connected with a motor 3 which is used for driving wheels of a vehicle to run. The battery energy storage system 2 is a lithium battery energy storage system, which is used to provide the electric motor 3 with the required electric energy.
In the hydrogen production by methanol-water reforming, the thermodynamic hydrogen production by methanol reforming is an endothermic reaction process, and methanol (CH) 3 OH) and water under the action of catalyst and a certain temperature (endothermic reaction) to generate the catalytic activity of C-H and C-O bonds and the coupling reaction of C-C bonds, thus realizing the reforming of methanol water into hydrogen (H) 2 ) And carbon dioxide (CO) 2 ) The general reaction formula is as follows: CH (CH) 3 OH+H 2 O→CO 2 +3H 2 。
Therefore, the power generation and range extension equipment of the methanol reforming internal combustion engine adopts the reforming reactor 4, the methanol water tank 6 and the methanol pump 7 to prepare hydrogen. The methanol water tank 6 is used for storing the methanol aqueous solution required for reforming hydrogen production. The aqueous methanol solution is a mixed solution of methanol and water, and ideally, one part of the aqueous methanol solution enables one part of carbon dioxide and three parts of hydrogen to be generated in the reforming hydrogen production process. The methanol pump 7 is integrally arranged in the methanol water tank 6 and used for pumping out the methanol water solution stored in the methanol water tank 6 as the raw material for reforming hydrogen production. The reforming reactor 4 has a gas inlet and a gas outlet, which are connected to the outlet of the methanol pump 7 and the inlet of the gas ejector 1a, respectively, through pipes. The inlet and outlet of the reforming reactor 4 are provided with a check valve, respectively, so that the flow direction of methanol can only flow from the methanol pump 7 into the reforming reactor 4 in one direction, and hydrogen can only flow out of the reforming reactor 4 in one direction. The aqueous methanol solution can be reformed to carbon dioxide and hydrogen at a suitable temperature after passing through the reforming reactor 4.
The temperature of the reforming reactor 4 is provided by the high temperature exhaust of the internal combustion engine. The exhaust pipe of the internal combustion engine is connected with the reforming reactor 4 for transferring heat to the reforming reactor 4 to provide a heat source for reforming hydrogen production. In order to obtain a better heating effect, preferably, a section of heat medium pipeline is additionally arranged in the reforming reactor 4 on the structure of the existing equipment of the reforming reactor 4 in the embodiment, and meanwhile, the exhaust pipe of the internal combustion engine is connected with the heat medium pipeline of the reforming reactor 4 in series, so that the internal combustion engine is connected with the reforming reactor 4 in series through the exhaust pipe of the internal combustion engine.
When in use, the methanol water tank 6 stores methanol water solution used for reforming hydrogen production. After the internal combustion engine is started, the exhaust gas of the internal combustion engine heats the reforming reactor 4 through the exhaust pipe, when the temperature of the reforming reactor 4 reaches 250 ℃, the reforming reaction conditions are mature, the methanol pump 7 can be started to pump the methanol water solution stored in the methanol water tank 6 into the reforming reactor 4, and under the action of the catalyst and under a certain temperature condition, the methanol water is heated and evaporated and undergoes the reforming reaction to generate carbon dioxide and hydrogen. The hydrogen can be supplied to the internal combustion engine by means of the gas injector 1a for use as a continuously operating gaseous fuel. Excess electrical energy generated by the generator is stored in the battery energy storage system 2 for driving the electric motor 3 or for supplying electrical energy to an electric motor of the internal combustion engine or other electrical consumers.
In this embodiment, the generator set 1 of the methanol reforming internal combustion engine power generation range extending device can be started through a traditional oil supply pipeline and can be changed into hydrogen combustion after being started. The generator set 1 can charge the battery energy storage system 2 in the running process, the battery energy storage system 2 can provide electric energy for the motor 3 to drive a vehicle, meanwhile, high-temperature tail gas of the internal combustion engine can provide heat required by reaction for the reforming reactor 4, after the methanol water solution is pumped to the reforming reactor 4 from the methanol water tank 6 by the methanol pump 7, under the catalytic action of hydrogen production, methanol can be subjected to cracking reaction to generate CO and H 2 And CO will react with water vapor to form CO 2 And H 2 To obtain CO 2 And H 2 The mixture of air and fuel is used for supplying the internal combustion engine to continue running. Because the reforming reactor 4 utilizes the energy of high-temperature tail gas generated in the running process of the internal combustion engine, and simultaneously, part of energy is stored in the battery energy storage system 2 for standby through the generator set 1 as electric energy, the utilization rate of the energy is improved, certain running time can be increased, and the running mileage can be increased when the reforming reactor is applied to a vehicle.
Example 2:
the embodiment is further optimized on the basis of the embodiment, and particularly adopts the following arrangement structure for better realizing the invention:
in the working process of the internal combustion engine, the temperature of the piston and the cylinder body is over 1000 ℃, the water cooling system can ensure that the piston and the cylinder body are not damaged by high temperature, a large amount of heat is taken away by the water cooling system, and in order to fully improve the efficiency of the internal combustion engine, the heat of the water cooling system is required to be further utilized.
In the embodiment, the power generation range extending equipment of the methanol reforming internal combustion engine further improves the utilization rate of energy, and particularly improves the energy utilization of high-temperature tail gas of the internal combustion engine.
The power generation and range extension device of the methanol reforming internal combustion engine is provided with a first heat exchanger 5. The inlet of the refrigerant channel of the first heat exchanger 5 is connected with the outlet of the methanol pump 7 through a pipeline, and the outlet of the refrigerant channel of the first heat exchanger 5 is connected with the air inlet of the reforming reactor 4 through a pipeline. The exhaust pipe of the internal combustion engine is sequentially connected in series with the heat medium channel of the reforming reactor 4 and the heat medium channel of the first heat exchanger 5, so that the waste heat of the exhaust gas of the internal combustion engine after passing through the reforming reactor 4 supplies heat for the first heat exchanger 5.
In this embodiment, the first heat exchanger 5 and the reforming reactor 4 utilize the high-temperature exhaust gas of the internal combustion engine at the same time, so as to further improve the energy utilization rate, and meanwhile, the methanol aqueous solution can be heated and vaporized in the first heat exchanger 5.
As a preferred embodiment of this embodiment, the power generation and range extension device for a methanol reforming internal combustion engine further utilizes waste heat of a water cooling system of the internal combustion engine. In particular, a second heat exchanger 9 is also provided. A heating medium channel of the second heat exchanger 9 is connected to the water cooling system to serve as a section of a circulating cooling water channel, a cooling medium channel inlet of the second heat exchanger 9 is connected with an outlet of the methanol pump 7 through a pipeline, and a cooling medium channel outlet of the second heat exchanger 9 is connected with a cooling medium channel inlet of the first heat exchanger 5 through a pipeline. The methanol water solution can be heated and vaporized twice through the water cooling system and the tail gas when passing through the second heat exchanger 9 and the first heat exchanger 5 in sequence. The arrangement of the second heat exchanger 9 can increase the heat of the water cooling system of the internal combustion engine while the first heat exchanger 5 utilizes the exhaust heat of the internal combustion engine, so that the energy utilization rate is improved, and the methanol water solution is heated and vaporized by the second heat exchanger 9 before entering the first heat exchanger 5, so that the temperature of the methanol water vapor can be gradually increased.
As a preferred embodiment of this embodiment, the outlet of the methanol pump 7 is connected to a second injector 10 through a pipeline, and the second injector 10 is connected to the inlet of the refrigerant channel of the second heat exchanger 9, for atomizing the methanol aqueous solution into the refrigerant channel of the second heat exchanger 9. The second oil injector 10 can inject the methanol water solution into the refrigerant channel of the second heat exchanger 9 in an atomized manner, so that the heat absorption and vaporization efficiency can be improved.
As a best implementation mode of the embodiment, heat conduction oil is filled in the circulating cooling water channel of the water cooling system. The heat conducting oil can be increased to the temperature of the cooling system to 120 ℃, so that the methanol water can be vaporized once, and the methanol water is changed into methanol water vapor.
Example 3:
the embodiment is further optimized on the basis of the embodiment, and particularly adopts the following arrangement structure for better realizing the invention:
in the embodiment, the power generation range-increasing equipment of the methanol reforming internal combustion engine stores the waste heat of the internal combustion engine in the form of hydrogen by storing excessive hydrogen so as to improve the utilization rate of energy.
The power generation range-extending equipment of the methanol reforming internal combustion engine is provided with an air storage tank 8. The exhaust port of the reforming reactor 4 is connected with the air inlet of the air storage tank 8 through a pipeline, the air outlet of the air storage tank 8 is connected with the inlet of the air injector 1a through a pipeline, and a pressure reducing valve 15 is arranged between the rest air injectors 1a of the air storage tank 8 and used for controlling the air injection pressure.
An exhaust port and a pressure gauge are arranged on the air storage tank 8. The design pressure of the air storage tank 8 is 8bar, and the pressure reducing valve 15 ensures that the air pressure at the inlet of the air injector 1a is constant at 2bar. The gas storage tank 8 is provided to store the surplus hydrogen gas for standby, and a pressure reducing valve 15 is provided to ensure a constant pressure at the inlet of the injector 1a, thereby maintaining a stable fuel supply. In order to ensure the system safety, a pressure relief opening is arranged on the air storage tank 8, the pressure relief opening is connected with the exhaust pipe of the internal combustion engine at the position downstream of the first heat exchanger 5 through a safety relief valve 18, and meanwhile, a pipeline between the check valve at the air inlet of the reforming reactor 4 and the first heat exchanger 5 is connected with the exhaust pipe of the internal combustion engine at the position downstream of the first heat exchanger 5 through a safety relief valve 18. When the pressure of the gas storage tank 8 exceeds the set 8bar, a safety pressure relief valve 18 connected with the gas storage tank is opened to discharge the redundant hydrogen out of the system; when the pressure of the air inlet of the reforming reactor 4 exceeds the set pressure, the safety relief valve 18 connected with the air inlet is opened, and the redundant methanol steam is discharged.
The gas storage tank 8 is provided to store the surplus hydrogen gas for standby, and a pressure reducing valve 15 is provided to ensure a constant pressure at the inlet of the injector 1a, thereby maintaining a stable fuel supply. The gas storage tank 8 and the battery energy storage system 2 are matched to store redundant hydrogen and redundant electric energy in two modes, and energy can be utilized to the maximum extent.
As a best mode of the embodiment, a first radiator 14 for radiating and cooling the produced hydrogen is connected in series between the check valve at the exhaust port of the reforming reactor 4 and the gas storage tank 8. The arrangement of the first radiator 14 can reduce the temperature of the mixed gas at the inlet of the gas storage tank 8, so that the gas storage tank 8 can store more hydrogen.
In order to obtain various parameters, the system is ensured to operate stably. The outlet of the methanol pump 7 is provided with a pressure gauge and a temperature gauge for detecting the pressure and temperature of the methanol water pumped out. And a thermometer and a pH sensor are arranged at the outlet of a refrigerant channel of the first heat exchanger 5 and used for detecting the temperature of the methanol steam and the concentration of hydrogen ions. The reforming reactor 4 is provided with a thermometer for detecting the internal reaction temperature. The inlet and outlet of the heating medium passage of the reforming reactor 4 are provided with thermometers, respectively. The second heat exchanger 9 is provided with a thermometer for detecting the temperature thereof, and the outlet of the refrigerant passage of the second heat exchanger 9 is also provided with a thermometer for detecting the temperature of the discharged methanol steam. The inlet and the outlet of the flameless combustion reaction device 11 are respectively provided with a thermometer.
Example 4:
the embodiment is further optimized on the basis of the above embodiment, and in order to further better implement the invention, the following arrangement structure is particularly adopted:
in the present embodiment, the methanol reforming internal combustion engine power generation range extending apparatus uses the methanol aqueous solution stored in the methanol water tank 6 as fuel at the time of cold start. Methanol as a fuel is required to be supplied to the internal combustion engine of the power generation unit 1 after hydrogen is produced in the reforming reactor 4.
Since there may not be a sufficient hydrogen reserve at the time of cold start of the internal combustion engine, hydrogen production needs to be performed when the internal combustion engine is not started.
The power generation and range extension equipment of the methanol reforming internal combustion engine is provided with a flameless combustion reaction device 11, a fan 12, a third oil injector 13 and a first oil injector 19.
The pipeline connected with the outlet of the methanol pump 7 is provided with three branches, and is simultaneously connected with the first oil injector 19, the second oil injector 10 and the third oil injector 13 through the three branches, so as to pump the methanol water solution to each oil injector respectively. Specifically, the first branch is connected to the inlet of the second injector 10, the second branch is connected to the inlet of the first injector 19, and the third branch is connected to the inlet of the third injector 13. The pipeline connected with the outlet of the refrigerant channel of the second heat exchanger 9 and the first oil injector 19 are connected with the inlet of the refrigerant channel of the first heat exchanger 5. The first oil injector 19 is connected to an inlet of the refrigerant channel of the first heat exchanger 5, and is configured to atomize and spray the methanol aqueous solution into the refrigerant channel of the first heat exchanger 5.
The exhaust pipe of the internal combustion engine is connected in series with a flameless combustion reaction unit 11, and the flameless combustion reaction unit 11 is located upstream of the reforming reactor 4, i.e. closer to the exhaust port of the internal combustion engine than the reforming reactor 4. The flameless combustion reaction device 11 is used for enabling methanol and oxygen to generate an oxidation reaction under the action of a catalyst. The fan 12 is connected to the exhaust pipe of the internal combustion engine to provide the required oxygen for the flameless combustion reaction device 11, and the third fuel injector 13 is used for atomizing the methanol aqueous solution to be injected into the exhaust pipe of the internal combustion engine or the flameless combustion reaction device 11 to provide the required methanol.
When the device is used in a cold start mode, firstly, the third oil injector 13, the fan 12 and the methanol pump 7 are started, the methanol pump 7 pumps a methanol water solution stored in the methanol water tank 6 to the third oil injector 13, the third oil injector 13 enables the methanol water solution to be injected into the flameless combustion reaction device 11, the methanol water and air provided by the fan 12 are subjected to oxidation reaction to generate heat, and the generated heat is used for heating the reforming reactor 4. When the temperature of the reforming reactor 4 reaches 250 ℃, the reforming reaction conditions are mature, at this time, the first oil injector 19 can be started, so that the methanol water solution is directly injected into the first heat exchanger 5 and then vaporized, and then enters the reforming reactor 4 to produce hydrogen. When the hydrogen stored in the gas storage tank 8 is enough and the pressure reaches a set value, the internal combustion engine can be cold started, after the cold start is finished, the second oil injector 10 can be started, the first oil injector 19, the third oil injector 13 and the fan 12 can be closed, and the methanol water solution enters the reforming reactor 4 to produce hydrogen after passing through the second heat exchanger 9 and the first heat exchanger 5. Excess hydrogen is stored in a gas storage tank 8 and excess electrical energy from the generator is stored in the battery energy storage system 2 for powering the electric motor 3 or for providing electrical power to an electric motor or other electrical device of the internal combustion engine. Before the generator set 1 is started, the methanol pump 7 can pump the methanol water solution to the third oil injector 13, the third oil injector 13 can atomize the methanol water solution and then inject the atomized methanol water solution into the flameless combustion reaction device 11 to oxidize and release heat, heat can be provided for the reforming reactor 4 and the first heat exchanger 5, hydrogen is produced, and the hydrogen is used for cold start of the generator set 1, so that the methanol can be completely used as fuel.
Example 5:
the present embodiment further provides a vehicle equipped with a power generation and range extension device for a methanol reforming internal combustion engine, in addition to the above embodiments, and particularly adopts the following arrangement structure:
the power generation range-increasing equipment of the methanol reforming internal combustion engine mounted on the vehicle can improve the driving mileage of the vehicle.
When the vehicle is used, when the vehicle is used in a cold start mode, the third oil injector 13, the fan 12 and the methanol pump 7 are started firstly, the methanol pump 7 pumps the methanol water solution stored in the methanol water tank 6 to the third oil injector 13, the third oil injector 13 enables the methanol water solution to be injected into the flameless combustion reaction device 11, the methanol water and air provided by the fan 12 are subjected to oxidation reaction to generate heat, and the generated heat is used for heating the reforming reactor 4. When the temperature of the reforming reactor 4 reaches 250 ℃, the reforming reaction conditions are mature, and at the moment, the first oil injector 19 can be started, so that the methanol water solution is directly injected into the first heat exchanger 5 and then is vaporized, and then enters the reforming reactor 4 to produce hydrogen. When the hydrogen stored in the gas storage tank 8 is enough, the internal combustion engine can be cold started, and after the cold start is finished, the second oil injector 10 can be started, the first oil injector 19, the third oil injector 13 and the fan 12 are closed, so that the methanol water solution passes through the second heat exchanger 9 and the first heat exchanger 5 and then enters the reforming reactor 4 to produce hydrogen. Excess hydrogen is stored in a gas storage tank 8 and excess electrical energy from the generator is stored in the battery energy storage system 2 for powering the electric motor 3 or for providing electrical power to an electric motor or other electrical device of the internal combustion engine.
After the start-up is completed, the temperature of the piston and the cylinder body is over 1000 ℃ during the running process of the internal combustion engine, and exhaust gas of about 700 ℃ is generated. The reforming reactor 4 and the first heat exchanger 5 are heated by the exhaust gas, and the second heat exchanger 9 is heated by the water cooling system. The second oil injector 10 atomizes and injects the methanol water into the second heat exchanger 9 to be heated to 110 ℃ for vaporization, the vaporized methanol water vapor enters the first heat exchanger 5 to be heat-exchanged with the exhaust gas of 250 ℃ discharged from the reforming reactor 4 to be heated to 230 ℃, the vaporized methanol water vapor flows into the reforming reactor 4 to produce hydrogen, and the exhaust gas is cooled to 150 ℃ after passing through the first heat exchanger 5 and is discharged. The hydrogen gas of 250 c discharged from the reforming reactor 4 is cooled to normal temperature by the first radiator 14 and then introduced into the gas holder 8. According to the external power demand, the gas injector 1a injects hydrogen into the internal combustion engine under the control of a program to drive the internal combustion engine to work continuously, and meanwhile, the first oil injector 1a which is responsible for injecting methanol stops working.
In the operation process, methanol and oxygen can be subjected to oxidation reaction or harmful gas and oxygen can be subjected to oxidation reaction to generate harmless carbon dioxide through a normal-temperature oxidation catalyst by the flameless combustion reaction device 11, the process belongs to exothermic reaction, the gas temperature is increased to 800 ℃, high-temperature gas provides heat for reforming hydrogen production reaction through the reforming reactor 4, the gas temperature after heat absorption of reforming reaction is reduced to 250 ℃, the gas is discharged from a heat medium channel outlet of the reforming reactor 4, methanol steam is heated through the first heat exchanger 5 again, the temperature is reduced to 150 ℃ and the gas is discharged, and the purification and heat utilization of the whole internal combustion engine tail gas are completed. The cooling liquid in the water cooling system of the internal combustion engine is cooled by adopting heat conduction oil, so that the boiling point temperature of the cooling liquid can be increased to 120 ℃, the methanol water is heated by using the circulating heat, the methanol water can be changed into methanol steam once, then the temperature of the methanol steam is further increased to 230 ℃ through the first heat exchanger 5, the methanol steam enters the reforming reactor 4 to produce hydrogen, and the produced mixed gas of the hydrogen and the carbon dioxide is combusted by the internal combustion engine to do work.
The internal combustion engine directly burns gasoline or methanol to become burning hydrogen, and the efficiency can be improved by 19 percent (the heat value of methanol is 21600kJ, and the heat value of reformed hydrogen is 26690.8125 kJ). In the working process of the traditional internal combustion engine, one third of heat is wasted, and the waste heat of the engine can be recycled to the maximum extent in the hydrogen production reforming process, so that the efficiency of the internal combustion engine is improved to more than 50% from 30%.
In the whole power generation process, according to the external power requirement, the jet ejector 1a is controlled by a program to jet hydrogen to drive the generator set 1 to work, and in the whole power generation process, the internal combustion engine runs according to the most economical state. The surplus electric energy generated by the generator is stored in the battery energy storage system 2, the battery energy storage system 2 reasonably distributes the electric quantity to the motor 3 and other electric equipment, in the whole power generation process, the gas storage tank 8, the internal combustion engine of the generator set 1 and the battery energy storage system 2 work strictly according to the supply and demand relation of a demand party (the motor 3) and a supply party (the reforming reactor 4), when the gas storage tank 8 stores less than 20% of gas, the reforming reactor 4 is inflated according to the maximum hydrogen production quantity, when the gas storage tank 8 stores 60% of gas, the reforming reactor 4 works according to 60% of the maximum hydrogen production quantity, when the gas storage tank 8 stores 80% of gas, the reforming reactor 4 starts to be in the idle non-gas production state, the generator set 1 has only two working states, namely a normal power generation state and an idle state, when the electric quantity of the battery energy storage system 2 is less than 30%, the generator set 1 starts to be in the normal power generation state, when the electric quantity of the battery energy storage system 2 reaches 80%, the generator set 1 is in the idle state, the energy storage state, the double energy storage tank and the battery energy storage system 2 stores the energy to be in the energy storage state, and the energy utilization rate is increased to be more than 50%.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and shall cover the scope of the present invention.
Claims (10)
1. The utility model provides a methanol reforming internal-combustion engine electricity generation increases journey equipment, includes generating set (1), and the internal-combustion engine of generating set (1) is supporting has water cooling system, its characterized in that: the internal combustion engine is provided with an air injector (1 a) for providing gas fuel for a combustion chamber of the internal combustion engine, the generator set (1) is electrically connected with a battery energy storage system (2), and the battery energy storage system (2) is electrically connected with an electric motor (3) for providing required electric energy for the electric motor (3);
the device also comprises a reforming reactor (4), a methanol water tank (6) and a methanol pump (7); the gas inlet and the gas outlet of the reforming reactor (4) are respectively connected with the methanol pump (7) and the gas ejector (1 a); the methanol water tank (6) is used for storing a methanol aqueous solution used for reforming hydrogen production, and the methanol pump (7) is used for pumping the methanol aqueous solution stored in the methanol water tank (6) to the reforming reactor (4); the exhaust pipe of the internal combustion engine is connected with the reforming reactor (4) and is used for providing a heat source for reforming hydrogen production.
2. A methanol reforming internal combustion engine power generation range extension apparatus according to claim 1, characterized in that: the system also comprises a first heat exchanger (5), wherein the inlet of a refrigerant channel of the first heat exchanger (5) is connected with the methanol pump (7), and the outlet of the refrigerant channel of the first heat exchanger (5) is connected with the air inlet of the reforming reactor (4); and an exhaust pipe of the internal combustion engine is connected in series with a heat medium channel of the first heat exchanger (5).
3. A methanol reforming internal combustion engine power generation range extending apparatus according to claim 2, wherein: also comprises a second heat exchanger (9); a heating medium channel of the second heat exchanger (9) is connected to the water cooling system; and a refrigerant channel inlet of the second heat exchanger (9) is connected with the methanol pump (7), and a refrigerant channel outlet is connected with a refrigerant channel inlet of the first heat exchanger (5).
4. A methanol reforming internal combustion engine power generation range extension apparatus according to claim 3, characterized in that: the methanol pump (7) is connected with a second oil injector (10), and the second oil injector (10) is connected with a refrigerant channel inlet of the second heat exchanger (9) and used for atomizing a methanol water solution into the refrigerant channel of the second heat exchanger (9).
5. A methanol reforming internal combustion engine power generation range extension apparatus according to claim 3, characterized in that: and heat conducting oil is filled in a circulating cooling water path of the water cooling system.
6. A methanol reforming internal combustion engine power generation range extending apparatus according to claim 2, wherein: a heat medium pipeline is further arranged in the reforming reactor (4), and an exhaust pipe of the internal combustion engine is sequentially connected in series with the heat medium pipeline of the reforming reactor (4) and the heat medium pipeline of the first heat exchanger (5).
7. A methanol reforming internal combustion engine power generation range-extending apparatus according to claim 2, wherein: still include gas holder (8), the gas vent of reforming reactor (4) is connected the air inlet of gas holder (8), the gas outlet of gas holder (8) pass through relief pressure valve (15) with air jet (1 a) are connected.
8. A methanol reforming internal combustion engine power generation range extension apparatus according to claim 7, characterized in that: a first radiator (14) for radiating the prepared gas is connected in series between the exhaust port of the reforming reactor (4) and the gas storage tank (8).
9. A methanol reforming internal combustion engine power generation range-extending apparatus according to any one of claims 2 to 8, wherein: the device also comprises a flameless combustion reaction device (11), a fan (12), a third oil sprayer (13) and a first oil sprayer (19);
the methanol pump (7) is respectively connected with the first oil injector (19), the second oil injector (10) and the third oil injector (13) and is used for respectively pumping methanol water solution to each oil injector;
the first oil sprayer (19) is connected with an inlet of a refrigerant channel of the first heat exchanger (5) and is used for atomizing and spraying the methanol water solution into the refrigerant channel of the first heat exchanger (5);
the exhaust pipe of the internal combustion engine is connected in series with a flameless combustion reaction device (11) positioned at the upstream of the reforming reactor (4), and the flameless combustion reaction device (11) is used for enabling methanol and oxygen to have an oxidation reaction under the action of a catalyst; the fan (12) is connected to an exhaust pipe of the internal combustion engine and is used for providing required oxygen for the flameless combustion reaction device (11); the third oil injector (13) is used for atomizing and injecting a methanol water solution into the flameless combustion reaction device (11) to provide the required methanol.
10. A vehicle, characterized in that: a power generation and range extension device for a methanol reforming internal combustion engine according to any one of claims 1 to 9 is mounted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210929994.XA CN115263535A (en) | 2022-08-03 | 2022-08-03 | Methanol reforming internal combustion engine power generation range-extending equipment and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210929994.XA CN115263535A (en) | 2022-08-03 | 2022-08-03 | Methanol reforming internal combustion engine power generation range-extending equipment and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115263535A true CN115263535A (en) | 2022-11-01 |
Family
ID=83748744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210929994.XA Pending CN115263535A (en) | 2022-08-03 | 2022-08-03 | Methanol reforming internal combustion engine power generation range-extending equipment and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115263535A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116161619A (en) * | 2023-03-10 | 2023-05-26 | 中车资阳机车有限公司 | Online hydrogen production system for methanol of hydrogen diesel locomotive |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10053778A1 (en) * | 2000-10-30 | 2002-05-08 | Alstom Switzerland Ltd | Production of synthesis gas containing hydrogen and carbon monoxide, especially for methanol production, uses thermodynamic cycle to recover much of enthalpy of gas leaving reformer at high temperature and pressure |
| WO2015154529A1 (en) * | 2014-04-10 | 2015-10-15 | 上海合既得动氢机器有限公司 | Electric system for generating power using methanol-water reforming, and control method |
| CN105084311A (en) * | 2015-09-02 | 2015-11-25 | 广东合即得能源科技有限公司 | Zero-carbon-emission hydrogen production system by methanol water reforming as well as application and hydrogen production method thereof |
| CN105716326A (en) * | 2016-04-07 | 2016-06-29 | 广东合即得能源科技有限公司 | Heat pump air conditioning based on power generation system for producing hydrogen by methanol water reforming and heating and refrigerating method |
| CN209523828U (en) * | 2019-01-30 | 2019-10-22 | 厦门大学 | A kind of vehicular preparing hydrogen by reforming methanol device |
| CN212676319U (en) * | 2020-08-05 | 2021-03-09 | 强伟氢能科技有限公司 | Unmanned aerial vehicle small-size methanol reforming fuel cell distribution device |
| CN112922740A (en) * | 2021-02-08 | 2021-06-08 | 山东大学 | Cold, heat, electricity and hydrogen combined supply system driven by waste heat of engine and working method |
| CN113352907A (en) * | 2021-06-15 | 2021-09-07 | 武汉理工大学 | Range-extending type alcohol mixed fuel electric motor coach system |
| CN113446137A (en) * | 2021-07-21 | 2021-09-28 | 大连理工大学 | Hydrogen-ammonia dual-fuel engine system for catalytically reforming methanol to supply hydrogen by waste gas waste heat |
| CN114105096A (en) * | 2021-12-07 | 2022-03-01 | 湖南大学 | Methanol-water reforming hydrogen production system and hydrogen production method thereof |
-
2022
- 2022-08-03 CN CN202210929994.XA patent/CN115263535A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10053778A1 (en) * | 2000-10-30 | 2002-05-08 | Alstom Switzerland Ltd | Production of synthesis gas containing hydrogen and carbon monoxide, especially for methanol production, uses thermodynamic cycle to recover much of enthalpy of gas leaving reformer at high temperature and pressure |
| WO2015154529A1 (en) * | 2014-04-10 | 2015-10-15 | 上海合既得动氢机器有限公司 | Electric system for generating power using methanol-water reforming, and control method |
| CN105084311A (en) * | 2015-09-02 | 2015-11-25 | 广东合即得能源科技有限公司 | Zero-carbon-emission hydrogen production system by methanol water reforming as well as application and hydrogen production method thereof |
| CN105716326A (en) * | 2016-04-07 | 2016-06-29 | 广东合即得能源科技有限公司 | Heat pump air conditioning based on power generation system for producing hydrogen by methanol water reforming and heating and refrigerating method |
| CN209523828U (en) * | 2019-01-30 | 2019-10-22 | 厦门大学 | A kind of vehicular preparing hydrogen by reforming methanol device |
| CN212676319U (en) * | 2020-08-05 | 2021-03-09 | 强伟氢能科技有限公司 | Unmanned aerial vehicle small-size methanol reforming fuel cell distribution device |
| CN112922740A (en) * | 2021-02-08 | 2021-06-08 | 山东大学 | Cold, heat, electricity and hydrogen combined supply system driven by waste heat of engine and working method |
| CN113352907A (en) * | 2021-06-15 | 2021-09-07 | 武汉理工大学 | Range-extending type alcohol mixed fuel electric motor coach system |
| CN113446137A (en) * | 2021-07-21 | 2021-09-28 | 大连理工大学 | Hydrogen-ammonia dual-fuel engine system for catalytically reforming methanol to supply hydrogen by waste gas waste heat |
| CN114105096A (en) * | 2021-12-07 | 2022-03-01 | 湖南大学 | Methanol-water reforming hydrogen production system and hydrogen production method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116161619A (en) * | 2023-03-10 | 2023-05-26 | 中车资阳机车有限公司 | Online hydrogen production system for methanol of hydrogen diesel locomotive |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105822409B (en) | Utilize the automobile of residual heat of tail gas of automobile reformed ethanol water vapour hydrogen fuel | |
| US20060042565A1 (en) | Integrated fuel injection system for on-board fuel reformer | |
| US20220170433A1 (en) | Reforming system and engine system | |
| CN107534168A (en) | Fuel cell system | |
| JP2004192958A (en) | Fuel cell system | |
| CN110816800B (en) | Diesel-fuel combined power device, hydrogen fuel cell hybrid power system and fuel supply method thereof | |
| CN111197532A (en) | Hydrogen/methanol composite fuel engine | |
| JP5315491B1 (en) | Next-generation carbon-free combustor, next-generation carbon-free engine and next-generation carbon-free power generation device using the same, and next-generation carbon-free combustor, next-generation carbon-free engine and next-generation carbon-free power generation device | |
| CN115263535A (en) | Methanol reforming internal combustion engine power generation range-extending equipment and vehicle | |
| CN217440153U (en) | Hydrogen-liquid ammonia dual-fuel engine for jetting liquid ammonia | |
| CN114687873A (en) | Fuel supply method, device and system for methanol engine | |
| CN111156111A (en) | Methanol engine capable of improving heat efficiency | |
| CN111305947A (en) | Methanol and hydrogen dual-fuel power system | |
| CN111219245A (en) | Methanol fuel engine | |
| CN115324780A (en) | Reforming hydrogen production engine and vehicle | |
| CN117231389A (en) | Ammonia fuel internal combustion engine mixing system and control method thereof | |
| CN212272392U (en) | Methanol and hydrogen dual-fuel power system | |
| CN114718771B (en) | Waste heat treatment system of ammonia fuel hybrid power engine and ship | |
| US12055289B2 (en) | Catalytic heating systems comprising dual-mode liquid fuel vaporizers and methods of operating thereof | |
| CN115853636A (en) | Range-extended hybrid hydrogen-based engine system and control method thereof | |
| CN202389189U (en) | Hydrogen-powered hybrid car | |
| CN109630245A (en) | A kind of lighter hydrocarbons/Reforming Diesel Fuel system and reforming method | |
| CN115217621A (en) | Internal combustion engine and internal combustion engine control method | |
| CN201376894Y (en) | Methanol steam reforming conversion hydrogen production device for automobile | |
| TWI310003B (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20231228 Address after: Room 101, 1st Floor, Building 1, No. 9 Shengxiang Street, Daxing District, Beijing, 102600 Applicant after: China Hydrogen New Energy Equipment Manufacturing (Beijing) Co.,Ltd. Address before: 218, floor 2, Section II (building a, Science Park), teaching building, west campus, Beijing University of chemical technology, No. 98, Zizhuyuan Road, Haidian District, Beijing 100089 Applicant before: Sinohydro new energy (Beijing) New Energy Technology Research Institute Co.,Ltd. |
|
| TA01 | Transfer of patent application right |