CN214577396U - Hybrid fuel power system - Google Patents
Hybrid fuel power system Download PDFInfo
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- CN214577396U CN214577396U CN202120765662.3U CN202120765662U CN214577396U CN 214577396 U CN214577396 U CN 214577396U CN 202120765662 U CN202120765662 U CN 202120765662U CN 214577396 U CN214577396 U CN 214577396U
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- hydrogen
- fuel
- methanol
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- engine
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- 239000000446 fuel Substances 0.000 title claims abstract description 101
- 238000002485 combustion reaction Methods 0.000 claims abstract description 28
- 238000002347 injection Methods 0.000 claims abstract description 7
- 239000007924 injection Substances 0.000 claims abstract description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 186
- 229910052739 hydrogen Inorganic materials 0.000 claims description 106
- 239000001257 hydrogen Substances 0.000 claims description 106
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 103
- 239000003502 gasoline Substances 0.000 claims description 40
- 238000004519 manufacturing process Methods 0.000 claims description 36
- 238000012806 monitoring device Methods 0.000 claims description 21
- 238000002360 preparation method Methods 0.000 claims description 21
- 238000012544 monitoring process Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 150000002431 hydrogen Chemical class 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 11
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000002918 waste heat Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000006057 reforming reaction Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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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
-
- 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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The utility model relates to a hybrid fuel power system, a serial communication port, include: the fuel injection system comprises a control system, a first fuel supply system, a second fuel supply system, an ignition system and a combustion system; the combustion system comprises an engine and a first fuel nozzle and a second fuel nozzle which are arranged on the engine and communicated with a combustion chamber of the engine; the first fuel nozzle and the second fuel nozzle are respectively connected with the output end of the first fuel supply system and the output end of the second fuel supply system through pipelines; the ignition system is communicated with a combustion chamber of the engine and is used for igniting mixed fuel in the engine; the second fuel supply system, the ignition system, the first fuel injector and the second fuel injector are all connected with the control system. The utility model discloses can wide application in driving system design field.
Description
Technical Field
The utility model relates to a hybrid fuel power system belongs to driving system design field.
Background
At present, gasoline or diesel oil resources are increasingly in shortage, and the environmental pollution is serious. The electric automobile has limited driving range, short service life of the storage battery, limited size and quality of the storage battery, high price and serious indirect pollution.
With the attention paid to many problems such as energy crisis and environmental deterioration, and considering the social background that gasoline engines cannot be widely replaced in a short time, people are forced to continuously search for new ways to prolong the service life of traditional energy sources and reduce the emission of automobiles. Therefore, the search for alternative fuels to achieve clean and efficient combustion and reduce emissions is the main research direction of current researchers.
The hydrogen is a fuel capable of replacing petroleum, the density is low, the heat release efficiency is high, the complete combustion product is water, the pollution to air is less, the preparation method is more, and the hydrogen is renewable, so that a possibility is provided for a clean and efficient combustion power system.
Disclosure of Invention
To the problem, the utility model aims at providing a hybrid fuel driving system, through the gas mixture with petrol and hydrogen-rich gas, air together get into the engine cylinder burning, the combustion effect is better, effectively utilizes the waste heat simultaneously, has greatly improved driving system's thermal efficiency.
In order to achieve the purpose, the utility model adopts the following technical proposal: a hybrid fuel power system, comprising: the fuel injection system comprises a control system, a first fuel supply system, a second fuel supply system, an ignition system and a combustion system; the combustion system comprises an engine and a first fuel nozzle and a second fuel nozzle which are arranged on the engine and communicated with a combustion chamber of the engine; the first fuel nozzle and the second fuel nozzle are respectively connected with the output end of the first fuel supply system and the output end of the second fuel supply system through pipelines; the ignition system is communicated with a combustion chamber of the engine and is used for igniting mixed fuel in the engine; the second fuel supply system, the ignition system, the first fuel injector and the second fuel injector are all connected with the control system.
Further, the second fuel supply system comprises a hydrogen preparation device, a temperature monitoring device, a first temperature control device, a second temperature control device and a pressure monitoring device; the hydrogen output end of the hydrogen preparation device is connected with the second fuel nozzle through a hydrogen supply pipeline; the temperature monitoring device is used for monitoring the temperature in the hydrogen preparation device; the first temperature control device and the second temperature control device are respectively used for heating and cooling the temperature in the hydrogen preparation device, so that the temperature in the hydrogen preparation device is kept in an optimal working temperature range; the pressure monitoring device is arranged on the hydrogen supply pipeline and is used for monitoring the hydrogen pressure in the hydrogen supply pipeline in real time; the hydrogen preparation device, the temperature monitoring device, the pressure monitoring device, the first temperature control device and the second temperature control device are all connected with the control system.
Further, the hydrogen preparation device comprises a methanol hydrogen preparation device, a methanol tank and a methanol variable pump; the methanol hydrogen production device is arranged on an exhaust pipe of the engine, the output end of the methanol hydrogen production device is connected with the second fuel nozzle through the hydrogen supply pipeline, the input end of the methanol hydrogen production device is connected with the output end of the methanol variable pump, and the input end of the methanol variable pump is connected with the methanol tank; and the control end of the methanol variable pump is connected with the control system.
Further, the temperature monitoring device is a thermocouple, and the thermocouple is inserted in the shell of the methanol hydrogen production device and is used for monitoring the real-time working temperature in the methanol hydrogen production device and sending the real-time working temperature to the control system.
Further, the first temperature control device is an electric heater, and the electric heater is inserted in the shell of the methanol hydrogen production device and connected with the control system.
Further, the second temperature control device comprises a high-temperature electromagnetic valve arranged on an exhaust branch pipe, and the exhaust branch pipe is arranged in parallel with the methanol hydrogen production device and communicated with the exhaust pipe; and the high-temperature electromagnetic valve is connected with the control system.
Further, the optimal working temperature range of the methanol hydrogen production device is 250-285 ℃.
Further, the engine adopts a gasoline and hydrogen dual-fuel compression ignition type electronic fuel injection engine.
Further, the first fuel supply system comprises a gasoline tank and a gasoline pump, the gasoline tank is used for storing gasoline, the gasoline pump is used for pumping the gasoline stored in the gasoline tank into a gasoline supply pipeline, and the tail end of the gasoline supply pipeline is connected with the first fuel nozzle.
The utility model discloses owing to take above technical scheme, it has following advantage:
1. the utility model discloses a set up first fuel feed system and second fuel feed system, sneak into the hydrogen burning in gasoline fuel, utilize hydrogen ignition energy low, the fast characteristics of flame propagation speed can improve petrol low temperature combustion characteristic, simultaneously, petrol and the flammable scope of hydrogen are very wide, for the gasoline engine, petrol and hydrogen dual-fuel engine can operate under rarefied gas mixture operating mode, are favorable to improving engine emission level and reduce the fuel consumption rate.
2. The utility model discloses because mix in the gasoline fuel and burn hydrogen, reduce the petrol combustion product, the engine emission level improves.
3. The utility model discloses because hydrogen derives from methyl alcohol schizolysis hydrogen plant, the device utilizes engine tail gas heat to make methyl alcohol react under the catalytic action and produce hydrogen-rich gas body, has effectively utilized the engine waste heat, has improved energy utilization. The hydrogen production raw material methanol has wide source and low cost, belongs to clean novel energy, and the reaction product has no pollution.
Therefore, the utility model discloses can the wide application in driving system design field.
Drawings
FIG. 1 is a schematic structural diagram of a hybrid dual fuel power system provided by the present invention;
the reference numbers in the figures are as follows:
the components in the figures are numbered as follows: 1. a gasoline tank; 2. a gasoline pump; 3. a control system; 4. an engine; 5. a first fuel nozzle; 6. a second fuel nozzle; 7. an exhaust branch pipe; 8. an exhaust pipe; 9. a high temperature solenoid valve; 10. a methanol tank; 11. a methanol variable pump; 12. a thermocouple; 13. an electric heater; 14. a methanol hydrogen production plant; 15. a hydrogen pressure sensor; 16. an ignition system.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
The spontaneous combustion temperature of the hydrogen is higher, which indicates that the hydrogen is more suitable for being applied to a spark ignition type internal combustion engine, and the flame propagation rate of the hydrogen is about five times of that of the gasoline, so that the gasoline hydrogen-doped flame can obtain higher mixed gas uniformity, the cycle variation of the gasoline engine is reduced, and the combustion duration is reduced. Meanwhile, the hydrogen has a wider ignition limit, and the ignition limit of other fuels can be improved by adding hydrogen. In addition, only about one third of the energy generated by the combustion of the engine power system is effectively utilized, and the rest energy is dissipated to the air in the form of heat, so that the energy is wasted.
Based on the analysis, the utility model provides a mixed fuel power system, the engine among this power system is a petrol and hydrogen dual-fuel compression ignition formula electricity injection engine. The power system utilizes the waste heat of the tail gas of the engine, and adopts the methanol cracking hydrogen production device to produce hydrogen-rich gas, the main components of the hydrogen-rich gas are hydrogen and carbon dioxide, gasoline, the hydrogen-rich gas and the air mixture enter the cylinder of the engine to be combusted, and the combustion effect is good. Meanwhile, the waste heat is effectively utilized, and the heat efficiency of the power system is greatly improved.
Specifically, the utility model provides a pair of hybrid fuel power system, it includes: a control system 3, a first fuel supply system, a second fuel supply system, an ignition system and a combustion system. The combustion system comprises an engine 4, and a first fuel nozzle 5 and a second fuel nozzle 6 which are arranged on the engine 4 and communicated with a combustion chamber of the engine 4, wherein the first fuel nozzle 5 and the second fuel nozzle 6 are respectively connected with the output end of a first fuel supply system and the output end of a second fuel supply system through pipelines; the ignition system is communicated with a combustion chamber of the engine 4 and is used for igniting the mixed fuel in the engine 4; the second fuel supply system, the ignition system, the first fuel injector 5 and the second fuel injector 6 are all connected to the control system 3 and controlled by the control system 3.
Further, the engine 4 adopts a gasoline and hydrogen dual-fuel compression ignition type electronic fuel injection engine.
Further, the first fuel supply system comprises a gasoline tank 1 and a gasoline pump 2, wherein the gasoline tank 1 is used for storing gasoline, the gasoline pump 2 is used for pumping the gasoline stored in the gasoline tank 1 into a gasoline supply pipeline, and the tail end of the gasoline supply pipeline is connected with the first fuel nozzle 5.
Further, the second fuel supply system includes a hydrogen production device, a temperature monitoring device, a first temperature control device, a second temperature control device, and a pressure monitoring device. Wherein, the hydrogen output end of the hydrogen preparation device is connected with the second fuel nozzle 6 through a hydrogen supply pipeline; the temperature monitoring device is used for monitoring the temperature in the hydrogen preparation device; the first temperature control device and the second temperature control device are respectively used for heating and cooling the temperature in the hydrogen preparation device, so that the temperature in the hydrogen preparation device is kept in the optimal working temperature range; the pressure monitoring device is arranged on the hydrogen supply pipeline and is used for monitoring the hydrogen pressure in the hydrogen supply pipeline in real time; the hydrogen preparation device, the temperature monitoring device, the pressure monitoring device, the first temperature control device and the second temperature control device are all connected with the control system 3 and are controlled by the control system 3.
Further, the hydrogen preparation device comprises a methanol hydrogen production device 14, a methanol tank 10 and a methanol variable pump 11. Wherein, the methanol hydrogen production device 14 is arranged on an exhaust pipe 8 of the engine 4, the output end of the methanol hydrogen production device 14 is connected with the second fuel nozzle 6 through a hydrogen supply pipeline, the input end of the methanol hydrogen production device 14 is connected with the output end of the methanol variable pump 11, and the input end of the methanol variable pump 11 is connected with the methanol tank 10. The control end of the methanol variable pump 11 is connected with the control system 3 and used for ensuring the pressure of the hydrogen production raw material methanol to be constant according to the control signal sent by the control system 3, and adjusting the supply flow of the methanol to further control the amount of the generated hydrogen.
Further, the temperature monitoring device is a thermocouple 12, and the thermocouple 12 is inserted in the casing of the methanol hydrogen production device 14, and is used for monitoring the real-time working temperature in the methanol hydrogen production device 14 and sending the real-time working temperature to the control system 3.
Further, the first temperature control device is an electric heater 13, and the electric heater 13 is inserted in the shell of the methanol hydrogen production device 14 and connected with the control system 3; the control system 3 compares the received real-time working temperature with a preset optimal working temperature range, and controls the second temperature control device to be closed and the electric heater 13 to be started to heat the methanol hydrogen production device 14 when the real-time working temperature is lower than the preset optimal working temperature range.
Further, the second temperature control device comprises a high-temperature electromagnetic valve 9 arranged on the exhaust branch pipe 7, wherein the exhaust branch pipe 7 is arranged in parallel with the methanol hydrogen production device 14 and is communicated with the exhaust pipe 8; the high-temperature electromagnetic valve 9 is connected with the control system 3 and used for controlling the high-temperature electromagnetic valve 9 to be opened and controlling the electric heater 14 to be closed when the real-time working temperature is higher than the preset optimal working temperature range, so that partial tail gas of the engine 4 is discharged from the exhaust branch pipe 7, the temperature of the methanol hydrogen production device 14 is reduced, and the methanol hydrogen production device 14 is kept in the optimal working temperature range.
Further, the optimal operating temperature range of the methanol hydrogen production device 14 is 250-285 ℃.
Further, a catalyst is also arranged in the methanol hydrogen production device 14, so that the methanol is subjected to reforming reaction under the action of the catalyst in the methanol hydrogen production device, and main products are hydrogen and carbon dioxide.
Further, a set of calibration data of mixed combustion of gasoline and hydrogen is prestored in the control system 3, and is fed back to the control system 3 through data of various working conditions of the engine 4, and the control system 3 outputs signals to adjust the gasoline supply amount, the hydrogen supply amount and the hydrogen production raw material methanol supply amount, and controls the first temperature control device and the second temperature control device to keep the methanol hydrogen production device 14 in the optimal working temperature range.
Above-mentioned each embodiment only is used for explaining the utility model discloses, wherein structure, connected mode and the preparation technology etc. of each part all can change to some extent, all are in the utility model discloses equal transform and improvement of going on technical scheme's the basis all should not exclude outside the protection scope of the utility model.
Claims (9)
1. A hybrid fuel power system, comprising:
the fuel injection system comprises a control system, a first fuel supply system, a second fuel supply system, an ignition system and a combustion system;
the combustion system comprises an engine and a first fuel nozzle and a second fuel nozzle which are arranged on the engine and communicated with a combustion chamber of the engine;
the first fuel nozzle and the second fuel nozzle are respectively connected with the output end of the first fuel supply system and the output end of the second fuel supply system through pipelines;
the ignition system is communicated with a combustion chamber of the engine and is used for igniting mixed fuel in the engine;
the second fuel supply system, the ignition system, the first fuel injector and the second fuel injector are all connected with the control system.
2. The hybrid fuel power system of claim 1, wherein the second fuel supply system comprises a hydrogen production device, a temperature monitoring device, a first temperature control device, a second temperature control device, and a pressure monitoring device;
the hydrogen output end of the hydrogen preparation device is connected with the second fuel nozzle through a hydrogen supply pipeline;
the temperature monitoring device is used for monitoring the temperature in the hydrogen preparation device;
the first temperature control device and the second temperature control device are respectively used for heating and cooling the temperature in the hydrogen preparation device, so that the temperature in the hydrogen preparation device is kept in an optimal working temperature range;
the pressure monitoring device is arranged on the hydrogen supply pipeline and is used for monitoring the hydrogen pressure in the hydrogen supply pipeline in real time;
the hydrogen preparation device, the temperature monitoring device, the pressure monitoring device, the first temperature control device and the second temperature control device are all connected with the control system.
3. The hybrid fuel power system of claim 2, wherein the hydrogen production device comprises a methanol hydrogen plant, a methanol tank, and a methanol variable displacement pump;
the methanol hydrogen production device is arranged on an exhaust pipe of the engine, the output end of the methanol hydrogen production device is connected with the second fuel nozzle through the hydrogen supply pipeline, the input end of the methanol hydrogen production device is connected with the output end of the methanol variable pump, and the input end of the methanol variable pump is connected with the methanol tank; and the control end of the methanol variable pump is connected with the control system.
4. A hybrid fuel power system as set forth in claim 3, wherein said temperature monitoring device is a thermocouple inserted into the housing of said hydrogen methanol production plant for monitoring the real-time operating temperature in said hydrogen methanol production plant and sending it to said control system.
5. A hybrid fuel power system as set forth in claim 3 wherein said first temperature control device is an electric heater inserted within the housing of said methanol hydrogen plant and connected to said control system.
6. A hybrid fuel power system as set forth in claim 3, wherein said second temperature control device comprises a high temperature solenoid valve disposed on an exhaust branch pipe, said exhaust branch pipe being disposed alongside said methanol hydrogen plant and communicating with said exhaust pipe; and the high-temperature electromagnetic valve is connected with the control system.
7. The hybrid fuel power system as claimed in claim 3, wherein the optimal operating temperature range of the methanol hydrogen plant is 250-285 ℃.
8. The hybrid fuel power system of claim 1, wherein the engine employs a gasoline and hydrogen dual fuel compression ignition electronic injection engine.
9. The hybrid fuel power system of claim 1, wherein the first fuel supply system comprises a gasoline tank for storing gasoline and a gasoline pump for pumping the gasoline stored in the gasoline tank into a gasoline supply line having a distal end connected to the first fuel nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120765662.3U CN214577396U (en) | 2021-04-14 | 2021-04-14 | Hybrid fuel power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120765662.3U CN214577396U (en) | 2021-04-14 | 2021-04-14 | Hybrid fuel power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214577396U true CN214577396U (en) | 2021-11-02 |
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ID=78326076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120765662.3U Expired - Fee Related CN214577396U (en) | 2021-04-14 | 2021-04-14 | Hybrid fuel power system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214577396U (en) |
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2021
- 2021-04-14 CN CN202120765662.3U patent/CN214577396U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211102 |