CN110873012A - Methanol diesel engine injection method and methanol diesel engine injection system - Google Patents
Methanol diesel engine injection method and methanol diesel engine injection system Download PDFInfo
- Publication number
- CN110873012A CN110873012A CN201911022399.2A CN201911022399A CN110873012A CN 110873012 A CN110873012 A CN 110873012A CN 201911022399 A CN201911022399 A CN 201911022399A CN 110873012 A CN110873012 A CN 110873012A
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- China
- Prior art keywords
- engine
- methanol
- intercooler
- nozzle
- turbocharger
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- 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.)
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Links
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 138
- 238000002347 injection Methods 0.000 title claims abstract description 21
- 239000007924 injection Substances 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000000446 fuel Substances 0.000 claims abstract description 12
- 239000002283 diesel fuel Substances 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
Images
Classifications
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- 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
- F02M43/00—Fuel-injection apparatus operating simultaneously on two or more fuels, or on a liquid fuel and another liquid, e.g. the other liquid being an anti-knock additive
- F02M43/04—Injectors peculiar thereto
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- 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
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
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- 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
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/20—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for cooling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The invention discloses a methanol diesel engine injection method, which comprises the following steps: the methanol fuel to be fed into the engine is atomized by a nozzle and is mixed with high-temperature and high-pressure air output by a turbocharger in advance, and the mixture enters an air inlet pipeline of the engine through an intercooler and finally enters an engine cylinder to be mixed and combusted with diesel oil. A methanol diesel engine injection system comprising: the engine, insert the turbo charger and the intercooler of engine inlet line, and be used for spouting the nozzle of methyl alcohol, wherein: the nozzle is installed on an air inlet pipeline between the turbocharger and the intercooler. The invention can ensure that the air inlet temperature of the engine changes less and the methanol is fully combusted, thereby being greatly beneficial to improving the application range and the width of the methanol as the diesel oil substitute fuel.
Description
Technical Field
The invention relates to the technical field of engines, in particular to a methanol diesel engine injection method and a methanol diesel engine injection system.
Background
When the existing methanol diesel engine works, methanol fuel is directly sprayed into the engine through a nozzle, so that a large temperature difference exists between the temperature of the methanol entering the engine and the temperature of air entering the engine, the methanol diesel engine is not beneficial to quick combustion of the methanol fuel, and the combustion efficiency of the methanol fuel is influenced.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides an injection method and an injection system of a methanol diesel engine.
The invention provides a methanol diesel engine injection method, which comprises the following steps: the methanol fuel to be led into the engine is atomized by a nozzle and is mixed with high-temperature and high-pressure air output by a turbocharger in advance, and the mixture enters an air inlet pipeline of the engine through an intercooler and finally enters an engine cylinder from the air inlet pipeline of the engine to be mixed and combusted with diesel oil.
Preferably, the outlet of the nozzle is provided on a pipe connecting the turbocharger and the intercooler, and the pipe is made to communicate with an intake pipe of the engine.
A methanol diesel engine injection system comprising: the engine, insert the turbo charger and the intercooler of engine inlet line, and be used for spouting the nozzle of methyl alcohol, wherein:
the nozzle is installed on an air inlet pipeline between the turbocharger and the intercooler.
Preferably, the air inlet pipeline of the engine comprises a first pipe body for connecting the turbocharger and the intercooler and a second pipe body for connecting the intercooler and the engine and communicating with the first pipe body; the nozzle is mounted on the first tube body.
According to the invention, the nozzle is arranged between the turbocharger and the intercooler, so that atomized methanol sprayed out of the nozzle enters the engine after being preheated by high-temperature and high-pressure air discharged by the turbocharger before entering the engine, and then enters the engine through the intercooler and the air inlet pipeline, so that the change of the air inlet temperature of the engine is small, and the methanol can be fully combusted; meanwhile, the high-temperature and high-pressure air is pre-cooled before entering the intercooler through heat exchange, and the reduction of the power consumption of the intercooler is facilitated. Thereby being beneficial to improving the application range and the application range of the methanol as the diesel oil alternative fuel.
Drawings
FIG. 1 is a schematic structural diagram of an injection system of a methanol diesel engine.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to specific examples.
As shown in fig. 1, fig. 1 is a schematic structural diagram of an injection system of a methanol diesel engine according to the present invention.
The invention provides a methanol diesel engine injection method, which comprises the following steps: the outlet for injecting the methanol fuel is arranged on a pipeline connecting the turbocharger 2 and the intercooler 3, and the pipeline is communicated with an air inlet pipeline of the engine 1, so that the methanol fuel to be injected into the engine 1 is atomized by a nozzle and is mixed with high-temperature and high-pressure air output by the turbocharger 2 in advance, and the methanol fuel enters the air inlet pipeline of the engine 1 through the intercooler 3 and finally enters an engine cylinder from the air inlet pipeline of the engine 1 to be mixed with diesel oil for combustion.
Referring to fig. 1, a methanol diesel engine injection system includes: engine 1, turbocharger 2 and intercooler 3 that insert the intake duct of engine 1, and nozzle 4 for injecting methanol, wherein: the nozzle is arranged on an air inlet pipeline between the turbocharger and the intercooler, so that atomized methanol sprayed by the nozzle 4 enters the engine 1 after being preheated by high-temperature and high-pressure air discharged by the turbocharger 2 before entering the engine 1, and then enters the engine 1 through the intercooler 3 and the air inlet pipeline, so that the change of the air inlet temperature of the engine 1 is small, and the methanol can be fully combusted.
In this embodiment, the intake duct of the engine 1 includes a first pipe connecting the turbocharger 2 and the intercooler 3, and a second pipe connecting the intercooler 3 and the engine 1 and communicating with the first pipe; the nozzle 4 is mounted on the first body.
Therefore, the methanol diesel engine injection system provided by the invention can be used for fully combusting methanol, improving the combustion rate of the methanol and greatly facilitating the improvement of the application range and the application range of the methanol as the diesel substitute fuel.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. A methanol diesel engine injection method, comprising: methanol fuel to be led into the interior of the engine (1) is atomized by a nozzle and mixed with high-temperature and high-pressure air output by the turbocharger (2) in advance, and the mixture enters an air inlet pipeline of the engine (1) through the intercooler (3), and finally enters an engine cylinder from the air inlet pipeline of the engine (1) to be mixed and combusted with diesel oil.
2. A methanol diesel engine injection method according to claim 1, characterized in that the outlet of the nozzle is arranged on a conduit connecting the turbocharger (2) and the intercooler (3) and communicating the conduit with the intake conduit of the engine (1).
3. A methanol diesel engine injection system, comprising: engine (1), turbocharger (2) and intercooler (3) that insert engine (1) inlet line, and be used for spouting nozzle (4) of methyl alcohol, wherein: the nozzle (4) is arranged on an air inlet pipeline between the turbocharger (2) and the intercooler (3).
4. The methanol diesel engine injection system of claim 3, comprising: the air inlet pipeline of the engine (1) comprises a first pipe body for connecting the turbocharger (2) and the intercooler (3) and a second pipe body for connecting the intercooler (3) and the engine (1) and communicating with the first pipe body; the nozzle (4) is mounted on the first pipe body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911022399.2A CN110873012A (en) | 2019-10-25 | 2019-10-25 | Methanol diesel engine injection method and methanol diesel engine injection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911022399.2A CN110873012A (en) | 2019-10-25 | 2019-10-25 | Methanol diesel engine injection method and methanol diesel engine injection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110873012A true CN110873012A (en) | 2020-03-10 |
Family
ID=69717878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911022399.2A Pending CN110873012A (en) | 2019-10-25 | 2019-10-25 | Methanol diesel engine injection method and methanol diesel engine injection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110873012A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116163833A (en) * | 2023-02-17 | 2023-05-26 | 潍坊力创电子科技有限公司 | Intercooling temperature control method and system for methanol diesel dual-fuel engine |
| CN116378868A (en) * | 2022-12-02 | 2023-07-04 | 中国船舶集团有限公司第七一一研究所 | Engine air intake injection system and control method |
| DE102022132522A1 (en) | 2022-12-07 | 2024-06-13 | Man Energy Solutions Se | Internal combustion engine and method for operating the same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5355677A (en) * | 1991-09-10 | 1994-10-18 | Detroit Diesel Corporation | Method of operating a supercharged methanol fueled diesel cycle internal combustion engine |
| RU95100031A (en) * | 1995-01-18 | 1996-11-20 | А.А. Понуровский | Method of operation of two-stroke supercharged internal combustion engine and two-stroke internal combustion engine |
| CN204327320U (en) * | 2014-12-11 | 2015-05-13 | 浙江国际海运职业技术学院 | A kind of combustion of the diesel engine based on cooler for recycled exhaust gas gasified methanol alcohol system |
| CN105179112A (en) * | 2015-10-10 | 2015-12-23 | 天津大学 | System and method for reducing NOx and particles in emitted pollutants of diesel engine |
| CN208153201U (en) * | 2018-03-30 | 2018-11-27 | 潍柴动力股份有限公司 | A kind of egr system and engine of engine |
-
2019
- 2019-10-25 CN CN201911022399.2A patent/CN110873012A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5355677A (en) * | 1991-09-10 | 1994-10-18 | Detroit Diesel Corporation | Method of operating a supercharged methanol fueled diesel cycle internal combustion engine |
| RU95100031A (en) * | 1995-01-18 | 1996-11-20 | А.А. Понуровский | Method of operation of two-stroke supercharged internal combustion engine and two-stroke internal combustion engine |
| CN204327320U (en) * | 2014-12-11 | 2015-05-13 | 浙江国际海运职业技术学院 | A kind of combustion of the diesel engine based on cooler for recycled exhaust gas gasified methanol alcohol system |
| CN105179112A (en) * | 2015-10-10 | 2015-12-23 | 天津大学 | System and method for reducing NOx and particles in emitted pollutants of diesel engine |
| CN208153201U (en) * | 2018-03-30 | 2018-11-27 | 潍柴动力股份有限公司 | A kind of egr system and engine of engine |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116378868A (en) * | 2022-12-02 | 2023-07-04 | 中国船舶集团有限公司第七一一研究所 | Engine air intake injection system and control method |
| CN116378868B (en) * | 2022-12-02 | 2025-05-23 | 中国船舶集团有限公司第七一一研究所 | Engine air intake injection system and control method |
| DE102022132522A1 (en) | 2022-12-07 | 2024-06-13 | Man Energy Solutions Se | Internal combustion engine and method for operating the same |
| CN116163833A (en) * | 2023-02-17 | 2023-05-26 | 潍坊力创电子科技有限公司 | Intercooling temperature control method and system for methanol diesel dual-fuel engine |
| CN116163833B (en) * | 2023-02-17 | 2025-08-08 | 潍坊力创电子科技有限公司 | Intercooling temperature control method and system for methanol diesel dual-fuel engine |
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Application publication date: 20200310 |