CN107201957A - Methanol diesel-oil mixes combustion system and the commercial car - Google Patents
Methanol diesel-oil mixes combustion system and the commercial car Download PDFInfo
- Publication number
- CN107201957A CN107201957A CN201610156339.XA CN201610156339A CN107201957A CN 107201957 A CN107201957 A CN 107201957A CN 201610156339 A CN201610156339 A CN 201610156339A CN 107201957 A CN107201957 A CN 107201957A
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- Prior art keywords
- methanol
- diesel
- alcohol
- oil
- combustion system
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/08—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
- F02D19/081—Adjusting the fuel composition or mixing ratio; Transitioning from one fuel to the other
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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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0047—Layout or arrangement of systems for feeding fuel
- F02M37/0064—Layout or arrangement of systems for feeding fuel for engines being fed with multiple fuels or fuels having special properties, e.g. bio-fuels; varying the fuel composition
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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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0047—Layout or arrangement of systems for feeding fuel
- F02M37/007—Layout or arrangement of systems for feeding fuel characterised by its use in vehicles, in stationary plants or in small engines, e.g. hand held tools
-
- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The present invention discloses a kind of methanol diesel-oil mixed combustion system and the commercial car, it sucks the situation of lack of air when can alleviate Diesel engine High aititude, including alcohol road system, ECU control systems, alcohol road system includes methanol tank, cleaner, methanol pump, methanol rail, connecting tube, enter alcohol device, nozzle, methanol tank outlet connects methanol pump by cleaner, enter alcohol device on methanol pump connection methanol rail, enter alcohol device provided with nozzle, nozzle sprays methanol in inlet manifold, inlet manifold connects cylinder, methanol enters cylinder methanol by inlet manifold and enters cylinder for one piece with air from intake port injection, it is common to participate in work by combustion, ECU reads the rotating speed of engine, water temperature, throttle position, the signals such as cam, so as to control oil spout, alcohol is sprayed to cooperate.Because methyl alcohol vaporizing latent heat is very big, the big load overheat condition of Diesel engine can be alleviated, methanol fractions diesel oil substitute reduces diesel consumption, and methanol prices are relatively low, may also reach up the purpose for saving fuel.
Description
Technical field
The invention belongs to commercial car power systems art, and in particular to a kind of commercial car diesel oil methanol mixes the General layout Plan of combustion system.
Background technology
Methanol is as a kind of more promising alternative fuel, and the application on Diesel engine reduces discharge aspect significant to alleviating shortage of resources.Ordinary diesel oil engine is reduced on High aititude using power, and mainly inhaled air volume is reduced, and reduces the oxygen that participation is burnt.Because oxygen element quality accounts for 50% in methanol, the situation of engine High aititude anoxic can effectively be alleviated by increasing the mixed combustion system of methanol on Diesel engine, cardinal principle is a set of control system of increase and methanol feed system to realize the mixed combustion of diesel oil and methanol, water temperature overheat condition occurs in Diesel engine under heavy load, the latent heat of vaporization of methanol is than larger, cylinder temperature can be reduced, so as to effectively alleviate engine water temperature overheat condition, Diesel engine increase methanol injection on the whole can effectively alleviate two large problems 1, High aititude rarefaction of air power drop problem；2nd, engine water temperature overheat can be alleviated.
The content of the invention
The principle of fuel cost is saved for two above problem and for user, the present invention devises a kind of methanol diesel-oil and mixes combustion system and the commercial car, it can reduce the thermic load of engine, and improving combustion efficiency is a kind of new approaches for having and filling up the mixed combustion field blank of domestic derv fuel methanol.
The technical scheme is that：
A kind of methanol diesel-oil mixes combustion system, it is characterised in that
Increase alcohol road system and control system on Diesel engine；
Alcohol road system includes methanol tank, cleaner, methanol pump, methanol rail, enters alcohol device；Methanol tank outlet is connected by cleaner enters alcohol device on methanol pump, methanol pump connection methanol rail, enters alcohol device connection inlet manifold, inlet manifold connection cylinder, methanol enters cylinder, diesel oil and methanol mixed combustion acting by inlet manifold；
Control system includes ECU, wire harness, and ECU reads the signals such as water temperature, rotating speed, the load of Diesel engine, to control the opening and closing into alcohol device, so as to complete the mixed combustion process of whole engine.
Further, methanol tank, cleaner, methanol pump, methanol rail are arranged on vehicle frame.
Further, methanol pump discharge also connects methanol tank by pressure limiting valve, and unnecessary methanol pump is back to methanol tank, forms whole circuit cycle.
Further, cleaner is provided between methanol rail and methanol pump.
Further, including multiple nozzles, nozzle is arranged on the entering on alcohol device of injection methanol.
Further, 6 Cylinder engines respectively install a nozzle in each inlet manifold, and the quantity of methyl alcohol sprayed into when engine is operated in each cylinder is identical.
Further, ECU determines the amount of injection methanol according to engine operation condition, and the methanol of penetrating enters after cylinder with air, and near top dead center is sprayed into after diesel oil, diesel oil compression ignition, and ignite methanol.
Further, ECU reads rotating speed, water temperature, throttle position, the cam signal of engine, and ECU connection methanol pumps control the flow of methanol pump.
Further, injection connecting tube in alcohol road is installed between Diesel engine and air inlet pipe, alcohol road injection connecting tube connection alcohol road system, nozzle is arranged on the inclined hole that alcohol road is sprayed in connecting tube；The axis of connecting tube is sprayed into angle in the axis of nozzle and alcohol road, and its injection direction is at an acute angle with airintake direction.
A kind of commercial car, it uses a kind of above-mentioned methanol diesel-oil to mix combustion system.
In order to alleviate the situation that Diesel engine High aititude sucks lack of air, the present invention devises diesel oil methanol mixed combustion system realization scheme, methanol enters cylinder for one piece from intake port injection with air, it is common to participate in work by combustion, methyl alcohol vaporizing latent heat is very big, the big load overheat condition of Diesel engine can be alleviated, methanol fractions diesel oil substitute, reduce diesel consumption, methanol prices are relatively low, can reach the purpose for saving fuel, the rotating speed of wherein ECU reading engines, water temperature, throttle position, the signals such as cam, so as to control oil spout, spray alcohol to cooperate.
Brief description of the drawings
Fig. 1 mixes the structural representation of one embodiment of the alcohol road system of combustion system for the methanol diesel-oil of the present invention.
Fig. 2 mixes the structural representation of one embodiment of the control system of combustion system for the methanol diesel-oil of the present invention.
Embodiment
The implementation with the present invention is described in further detail below in conjunction with the accompanying drawings.
System is as shown in the figure：
Increase on former Diesel engine, alcohol road system and control system, be finally completed the General layout Plan that diesel oil methanol mixes combustion system, alcohol road system such as figure includes：The parts such as methanol tank, cleaner, methanol pump, methanol rail, nozzle, control system includes the parts such as ECU, wire harness, ECU reads the signals such as water temperature, rotating speed, the load of primary motivation, to control the opening and closing of nozzle, so as to complete the mixed combustion process of whole engine.
Increase in former Diesel engine air inlet pipe into alcohol device, install methanol tank, cleaner, methanol pump, methanol rail additional on vehicle frame and enter alcohol device, above several roads are connected with methanol pipeline, unnecessary methanol flows back to methanol tank, form whole circuit cycle, install the parts such as ECU and wire harness additional, ECU reads the signal of primary motivation, according to engine operation condition, the amount of injection methanol is determined, the methanol of penetrating enters after cylinder with air, near top dead center sprays into diesel oil, after diesel oil compression ignition, ignite methanol, and diesel oil and methanol participate in work by combustion jointly.
In a specific embodiment, methanol tank outlet is connected by cleaner enters alcohol device on methanol pump, methanol pump connection methanol rail, enter alcohol device connection inlet manifold, inlet manifold connects cylinder, and methanol enters cylinder, diesel oil and methanol mixed combustion acting by inlet manifold；Control system includes ECU, wire harness, and ECU reads the signals such as water temperature, rotating speed, the load of Diesel engine, to control the opening and closing into alcohol device, so as to complete the mixed combustion process of whole engine.Methanol tank, cleaner, methanol pump, methanol rail are arranged on vehicle frame.
In a specific embodiment, methanol pump discharge also connects methanol tank by pressure limiting valve, and unnecessary methanol pump is back to methanol tank, forms whole circuit cycle.
In a specific embodiment, cleaner is provided between methanol rail and methanol pump.
In a specific embodiment, 6 Cylinder engines install a nozzle in each inlet manifold, it is ensured that the quantity of methyl alcohol sprayed into when engine is operated in each cylinder is identical.
In a specific embodiment, as schemed, methanol pump needs whether ECU controls work, to improve the service life of pump, wherein the nozzle controlled has several, installed in entering on alcohol device for injection methanol, the methanol finally sprayed enters cylinder and completes burning.
In a specific embodiment, take after former diesel engine, lay down air inlet pipe and outlet pipe, change Intake manifold gasket, injection connecting tube in alcohol road is installed between Diesel engine and air inlet pipe, alcohol road injection connecting tube connection alcohol road system, installs after alcohol road injection connecting tube, installs outlet pipe, air inlet pipe is connected in alcohol road injection connecting tube, methanol nozzle is installed on the inclined hole of alcohol road injection connecting tube top, common rail pipe is installed on methanol nozzle top, completes overall installation.The axis of connecting tube is sprayed into angle in the axis of methanol nozzle and alcohol road, and its injection direction is at an acute angle with airintake direction.Alcohol road injection connecting tube is provided with column-shaped projection, and column-shaped projection open end is provided with hole, forms the inclined hole installed for nozzle.
Finally it should be noted that:Above example is only to illustrate the technical scheme of this case rather than its limitations；Although this case is described in detail with reference to preferred embodiment, those of ordinary skills in the art should understand that：The embodiment of this case can still be modified or equivalent substitution is carried out to some technical characteristics；Without departing from the spirit of technical solution of the present invention, it all should cover among the claimed technical scheme scope of this case.
Claims (10)
1. a kind of methanol diesel-oil mixes combustion system, it is characterised in that
Increase alcohol road system and control system on Diesel engine；
Alcohol road system includes methanol tank, cleaner, methanol pump, methanol rail, enters alcohol device；Methanol tank outlet is logical
Cleaner is connected enters alcohol device on methanol pump, methanol pump connection methanol rail, enters alcohol device connection inlet manifold,
Inlet manifold connects cylinder, and methanol enters cylinder, diesel oil and methanol mixed combustion acting by inlet manifold；
Control system includes ECU, wire harness, the water temperature of ECU reading Diesel engines, rotating speed, load letter
Number, to control the opening and closing into alcohol device, so as to complete the mixed combustion process of whole engine.
2. a kind of methanol diesel-oil according to claim 1 mixes combustion system, it is characterised in that methanol tank, cleaner,
Methanol pump, methanol rail are arranged on vehicle frame.
3. a kind of methanol diesel-oil according to claim 1 or 2 mixes combustion system, it is characterised in that methanol pump discharge
Methanol tank is also connected by pressure limiting valve, unnecessary methanol pump is back to methanol tank, forms whole circuit cycle.
4. combustion system is mixed according to a kind of any described methanol diesel-oil of claims 1 to 3, it is characterised in that methanol rail
Cleaner is provided between methanol pump.
5. combustion system is mixed according to a kind of any described methanol diesel-oil of claims 1 to 3, it is characterised in that including many
Individual nozzle, nozzle enters on alcohol device installed in injection methanol.
6. a kind of methanol diesel-oil according to claim 5 mixes combustion system, it is characterised in that 6 Cylinder engines are each
One nozzle is respectively installed, the quantity of methyl alcohol sprayed into when engine is operated in each cylinder is identical in inlet manifold.
7. combustion system is mixed according to a kind of any described methanol diesel-oil of claim 1 to 6, it is characterised in that ECU roots
According to engine operation condition, the amount of injection methanol is determined, the methanol of penetrating enters after cylinder with air, upper to stop
Point is nearby sprayed into after diesel oil, diesel oil compression ignition, and ignite methanol.
8. combustion system is mixed according to a kind of any described methanol diesel-oil of claim 1 to 7, it is characterised in that ECU is read
Rotating speed, water temperature, throttle position, the cam signal of engine are taken, ECU connection methanol pumps control methanol pump
Flow.
9. a kind of methanol diesel-oil according to claim 5 mixes combustion system, it is characterised in that in Diesel engine and
Injection connecting tube in alcohol road is installed, alcohol road injection connecting tube connection alcohol road system, nozzle is arranged between air inlet pipe
On inclined hole in alcohol road injection connecting tube；The axis of connecting tube is sprayed into angle in the axis of nozzle and alcohol road, its
Injection direction is at an acute angle with airintake direction.
10. a kind of commercial car, it is characterised in that using a kind of any described methanol diesel-oil of the claims 1 to 9
Mixed combustion system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610156339.XA CN107201957A (en) | 2016-03-18 | 2016-03-18 | Methanol diesel-oil mixes combustion system and the commercial car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610156339.XA CN107201957A (en) | 2016-03-18 | 2016-03-18 | Methanol diesel-oil mixes combustion system and the commercial car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107201957A true CN107201957A (en) | 2017-09-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610156339.XA Pending CN107201957A (en) | 2016-03-18 | 2016-03-18 | Methanol diesel-oil mixes combustion system and the commercial car |
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| Country | Link |
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| CN (1) | CN107201957A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454289A (en) * | 2019-08-09 | 2019-11-15 | 天津大学 | A kind of diesel locomotive engine diesel oil methanol bifuel system and method |
| CN111911321A (en) * | 2020-06-28 | 2020-11-10 | 深圳市合众清洁能源研究院 | Fuel supply system and method for gas-assisted methanol engine |
| CN112855359A (en) * | 2021-01-13 | 2021-05-28 | 浙江吉利控股集团有限公司 | Engine control method and device, vehicle and computer storage medium |
| CN113914974A (en) * | 2020-07-08 | 2022-01-11 | 长城汽车股份有限公司 | Method and device for reducing emission of nitrogen oxides and automobile |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454289A (en) * | 2019-08-09 | 2019-11-15 | 天津大学 | A kind of diesel locomotive engine diesel oil methanol bifuel system and method |
| CN111911321A (en) * | 2020-06-28 | 2020-11-10 | 深圳市合众清洁能源研究院 | Fuel supply system and method for gas-assisted methanol engine |
| CN111911321B (en) * | 2020-06-28 | 2024-05-14 | 深圳大学 | Fuel supply system and method for gas-assisted methanol engine |
| CN113914974A (en) * | 2020-07-08 | 2022-01-11 | 长城汽车股份有限公司 | Method and device for reducing emission of nitrogen oxides and automobile |
| CN113914974B (en) * | 2020-07-08 | 2023-02-03 | 长城汽车股份有限公司 | Method and device for reducing emission of nitrogen oxides and automobile |
| CN112855359A (en) * | 2021-01-13 | 2021-05-28 | 浙江吉利控股集团有限公司 | Engine control method and device, vehicle and computer storage medium |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170926 |
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| RJ01 | Rejection of invention patent application after publication |