CN204436621U - Novel dimethyl ether fuel supply system - Google Patents
Novel dimethyl ether fuel supply system Download PDFInfo
- Publication number
- CN204436621U CN204436621U CN201520066514.7U CN201520066514U CN204436621U CN 204436621 U CN204436621 U CN 204436621U CN 201520066514 U CN201520066514 U CN 201520066514U CN 204436621 U CN204436621 U CN 204436621U
- Authority
- CN
- China
- Prior art keywords
- dimethyl ether
- oil
- supply system
- fuel supply
- tank
- 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.)
- Expired - Fee Related
Links
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 title claims abstract description 146
- 239000000446 fuel Substances 0.000 title claims abstract description 30
- 238000002347 injection Methods 0.000 claims abstract description 27
- 239000007924 injection Substances 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 239000002516 radical scavenger Substances 0.000 claims abstract description 7
- 239000000945 filler Substances 0.000 claims description 8
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 abstract description 8
- 239000000203 mixture Substances 0.000 abstract description 7
- 239000002131 composite material Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 239000003381 stabilizer Substances 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 38
- 239000007789 gas Substances 0.000 description 5
- 239000000295 fuel oil Substances 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
- Catching Or Destruction (AREA)
Abstract
The utility model discloses a kind of novel dimethyl ether fuel supply system, it comprises dimethyl ether tank, main fuel supply line, main delivery valve, filter cleaner, electronic low pressure pump, high-pressure injection pump, oil sprayer, motor, scavenger valve, return tube, auxiliary feed-oil pipe, auxiliary feed-oil valve, flow control valve, mixer and dividing plate.When motor normally runs, main supply system works, and has the liquid dimethyl ether of certain pressure and flow to engine air in-cylinder injection.When there is vapour lock or fault in main oil supply system, when can not maintain engine stabilizer operation or motor fail to start, auxiliary supply system works, and provides the gaseous dimethyl/air Mixture with certain pressure and flow to motor, and auxiliary engine runs.The utility model can switch single supply model and composite supply pattern in real time, and structure is simple, and implementation methods is reliably easy, has fully ensured dimethyl ether engine stable operation in all cases.
Description
Technical field
The utility model relates to a kind of oil supplying device of motor, is specifically related to a kind of novel dimethyl ether fuel supply system.
Background technique
Along with the continuous increase of automobile pollution and the day by day severe of Abgasgesetz, current energy source and environmental area are all finding clean energy resource, coal derived fuel dimethyl ether is that the one of applicable China energy resource structure cleans alternative fuel, and it is gaseous state at normal temperatures and pressures, and normal temperature is liquid state under being about 0.5MPa pressure; Its cetane number is high, and boiling point is low, and evaporation rapidly, easily forms high-quality mixed gas, nontoxic containing oxygen, has remarkable combustion and emission characteristic.Dimethyl ether fuel fuel can either alleviate energy security and environmental pollution problem, can promote again the application & development of coal derived fuel combustion technology, and therefore dimethyl ether fuel feeding system is all being studied by many countries and mechanism in the world.
Through finding the retrieval of prior art document and patent, Authorization Notice No. CN 202065095 U, patent name is a kind of fuel oil supplying system of engine using dimethyl ether, this patented technology provides a kind of fuel oil supply system of dimethyl ether engine, comprise dimethyl ether fuel tank, suction booster, high-pressure service pump, radiator is equipped with in the return line of high-pressure service pump and the return line of oil sprayer, make the dimethyl ether cooling down of backflow, ensure normal temperature or the low temperature of dimethyl ether in dimethyl ether fuel tank, prevent system overheat and cause dimethyl ether to gasify, thus improve the Safety performance of system.Owing to being gaseous state under dimethyl ether normal temperature and pressure, its normal temperature gasified pressure is about 0.5MPa, therefore liquid dimethyl ether is very easy to gasification, in the dimethyl ether fuel oil supply system of this patent disclosure, the vapour lock problem caused due to dimethyl ether gasification is easily there is in liquid oil supply system, particularly place the vehicle of long period, more easily occur vapour lock problem and cause motor fail to start or stable operation.Moreover when a certain component failure such as the oil sprayer in liquid oil supply system, high-pressure service pump, suction boosters, motor is by fail to start or stable operation.
Model utility content
Technical problem to be solved in the utility model is: for above-mentioned the deficiencies in the prior art, provides the novel dimethyl ether fuel supply system that reasonable in design, structure is simple, can realize single supply model and composite supply pattern.
The technical solution of the utility model is: a kind of novel dimethyl ether fuel supply system, comprise high-pressure injection pump, the filler opening of described high-pressure injection pump is by electronic low pressure pump, main delivery valve is communicated with dimethyl ether tank with main fuel supply line, the oil outlet of described high-pressure injection pump is connected with the filler opening of oil sprayer, described oil sprayer has the liquid dimethyl ether of pressure and flow to the in-cylinder injection of motor, the return opening of described oil sprayer is communicated with described dimethyl ether tank with return tube by scavenger valve with the return opening of high-pressure injection pump, the suction port of described motor is communicated with the air outlet of mixer, two suction ports of described mixer are communicated with auxiliary feed-oil pipe with suction tude respectively, described auxiliary feed-oil pipe is provided with auxiliary feed-oil valve and flow control valve, the other end of described auxiliary feed-oil pipe is communicated with described dimethyl ether tank.
The inner chamber of described dimethyl ether tank arranges one deck dividing plate, and described dividing plate spreads all over manhole; Described main fuel supply line reaches the bottom of described dimethyl ether tank and is positioned at the below of described dividing plate, and described return tube reaches the top of described dimethyl ether tank, and described auxiliary feed-oil pipe reaches the top of described dimethyl ether tank and is positioned at the top of described dividing plate.Described return tube is provided with a tee union, three mouths of pipe of described tee union are communicated with dimethyl ether tank with the return opening of described oil sprayer, the return opening of high-pressure injection pump respectively.Described main fuel supply line is provided with filter cleaner.
The beneficial effects of the utility model:
1, the utility model can switch single supply model and composite supply pattern at any time in engine operation process, and structure is simple, and implementation methods is reliably easy, has fully ensured dimethyl ether engine stable operation in all cases.
2, the utility model no longer adopts radiator to the dimethyl ether cooling down of backflow, but the liquid dimethyl ether of the backflow utilizing temperature higher goes the temperature of lift pot internal upper part, make full use of dimethyl ether boiling point low simultaneously, evaporation rapidly, the feature of the high-quality mixed gas of easy formation, utilize auxiliary supply system to provide the gaseous dimethyl/air Mixture with certain pressure, flow to motor, auxiliary engine runs, and reduces cost of use.
3, the utility model dividing plate spreads all over manhole, the dimethyl ether of backflow flows on dividing plate, because the dimethyl ether of backflow is through the reciprocating compression effect of electronic low pressure pump, high-pressure injection pump, its temperature is higher, transfer heat to dividing plate, the dimethyl ether of gaseous state stays the top of tank simultaneously, and the dimethyl ether of liquid state flows back to pot bottom by the through hole on dividing plate, form liquid phase region and gas phase zone, upper gaseous phase section is convenient to auxiliary feed-oil pipe supply gas and is mixed with the air of suction tude, improves engine operating efficiency.
4, the main fuel supply line of the utility model is provided with filter cleaner, effectively can filters dimethyl ether liquid, the impurity in minimizing liquid, to the wearing and tearing of motor, extends the life-span of motor.
5, the utility model is reasonable in design, structure is simple, can realize single supply model and composite supply pattern, and it is applied widely, has good economic benefit after popularization.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the plan view of Fig. 1 central diaphragm.
Embodiment
Embodiment: see in Fig. 1 and Fig. 2, figure: 1-dimethyl ether tank, the main fuel supply line of 2-, the main delivery valve of 3-, 4-filter cleaner, the electronic low pressure pump of 5-, 6-high-pressure injection pump, 7-oil sprayer, 8-motor, 9-tee union, 10-scavenger valve, 11-return tube, 12-auxiliary feed-oil pipe, 13-auxiliary feed-oil valve, 14-flow control valve, 15-mixer, 16-suction tude, 17-dividing plate.
In figure, solid arrow is depicted as fuel area density direction, and dotted arrow is depicted as air throughput direction.
Novel dimethyl ether fuel supply system, comprise dimethyl ether tank 1, main fuel supply line 2, main delivery valve 3, filter cleaner 4, electronic low pressure pump 5, high-pressure injection pump 6, oil sprayer 7, motor 8, tee union 9, scavenger valve 10, return tube 11, auxiliary feed-oil pipe 12, auxiliary feed-oil valve 13, flow control valve 14, mixer 15 and dividing plate 17, mixer 15 is arranged in suction tude 16, and it is inner that dividing plate 17 is arranged on dimethyl ether tank 1; The main fuel supply line of dimethyl ether tank 1 is connected with the filler opening of filter cleaner 4 by main delivery valve 3, the oil outlet of filter cleaner 4 is connected with the filler opening of electronic low pressure pump 5, the oil outlet of electronic low pressure pump 5 is connected with the filler opening of high-pressure injection pump 6, the oil outlet of high-pressure injection pump 6 is connected with the filler opening of oil sprayer 7, oil sprayer 7 has the liquid dimethyl ether of certain pressure and flow to motor 8 in-cylinder injection, supports that motor runs.The return opening of oil sprayer 7 is connected with scavenger valve 10 by tee union 9 with the return opening of high-pressure injection pump 6, and the return tube 11 in dimethyl ether tank 1, dividing plate 17 flow back to pot bottom.The auxiliary feed-oil pipe 12 of dimethyl ether tank 1 is connected with the entrance of mixer 15 by auxiliary feed-oil valve 13, flow control valve 14, the suction tude 16 of motor is also connected with the entrance of mixer 15, the outlet of mixer 15 is connected with the intake duct of motor, there is provided the gaseous dimethyl/air Mixture with certain pressure and flow to motor 8, auxiliary engine runs.
Owing to having certain pressure in dimethyl ether tank, therefore tank bottom is liquid dimethyl ether, and tank top is gaseous dimethyl, has been separated into liquid phase region and gas phase zone by dimethyl ether tank.When engine condition is normal, adopt the single fuel feeding pattern of main oil supply system.Liquid dimethyl ether in dimethyl ether tank, by main delivery valve, filter cleaner, electronic low pressure pump, high-pressure injection pump and oil sprayer, has the liquid dimethyl ether of certain pressure and flow to engine air in-cylinder injection; The oil return of oil sprayer and the oil return of high-pressure injection pump are by tee union, scavenger valve, return tube in dimethyl ether tank flows on dividing plate, because the dimethyl ether of backflow is through the reciprocating compression effect of electronic low pressure pump, high-pressure injection pump, its temperature is higher, transfer heat to dividing plate, the dimethyl ether of gaseous state stays the top of tank simultaneously, and the dimethyl ether of liquid state flows back to pot bottom by the through hole on dividing plate.
When vapour lock fault appears in main supply system inside, when can not maintain engine stabilizer operation or motor fail to start, adopt composite supply pattern---namely auxiliary supply system and main supply system work simultaneously.The dimethyl ether of the dividing plate meeting heated gaseous that temperature is higher, the gaseous dimethyl on tank internal partition top is by auxiliary feed-oil valve, flow control valve, mix in mixer with fresh air, there is provided the gaseous dimethyl/air Mixture with certain pressure and flow to motor, auxiliary engine runs; Motor drags the high-pressure injection pump running of main supply system simultaneously, gets rid of the bubble of main supply system inside, until solve vapour lock problem.
When the component failure such as oil sprayer, Injection Pump, electronic low pressure pump of main supply system, when can not maintain engine stabilizer operation or motor fail to start, adopt the auxiliary single supply model of supply system.The gaseous dimethyl on dimethyl ether tank top is by auxiliary feed-oil valve, flow control valve, mix in mixer with fresh air, there is provided the gaseous dimethyl/air Mixture with certain pressure and flow to motor, auxiliary engine runs to repair location and keeps in repair.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (4)
1. a novel dimethyl ether fuel supply system, comprise high-pressure injection pump, the filler opening of described high-pressure injection pump is by electronic low pressure pump, main delivery valve is communicated with dimethyl ether tank with main fuel supply line, the oil outlet of described high-pressure injection pump is connected with the filler opening of oil sprayer, described oil sprayer has the liquid dimethyl ether of pressure and flow to the in-cylinder injection of motor, the return opening of described oil sprayer is communicated with described dimethyl ether tank with return tube by scavenger valve with the return opening of high-pressure injection pump, it is characterized in that: the suction port of described motor is communicated with the air outlet of mixer, two suction ports of described mixer are communicated with auxiliary feed-oil pipe with suction tude respectively, described auxiliary feed-oil pipe is provided with auxiliary feed-oil valve and flow control valve, the other end of described auxiliary feed-oil pipe is communicated with described dimethyl ether tank.
2. novel dimethyl ether fuel supply system according to claim 1, is characterized in that: the inner chamber of described dimethyl ether tank arranges one deck dividing plate, and described dividing plate spreads all over manhole; Described main fuel supply line reaches the bottom of described dimethyl ether tank and is positioned at the below of described dividing plate, and described return tube reaches the top of described dimethyl ether tank, and described auxiliary feed-oil pipe reaches the top of described dimethyl ether tank and is positioned at the top of described dividing plate.
3. novel dimethyl ether fuel supply system according to claim 1, it is characterized in that: described return tube is provided with a tee union, three mouths of pipe of described tee union are communicated with dimethyl ether tank with the return opening of described oil sprayer, the return opening of high-pressure injection pump respectively.
4. novel dimethyl ether fuel supply system according to claim 1, is characterized in that: described main fuel supply line is provided with filter cleaner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520066514.7U CN204436621U (en) | 2015-01-30 | 2015-01-30 | Novel dimethyl ether fuel supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520066514.7U CN204436621U (en) | 2015-01-30 | 2015-01-30 | Novel dimethyl ether fuel supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204436621U true CN204436621U (en) | 2015-07-01 |
Family
ID=53604495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520066514.7U Expired - Fee Related CN204436621U (en) | 2015-01-30 | 2015-01-30 | Novel dimethyl ether fuel supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204436621U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210364A (en) * | 2017-06-30 | 2019-01-15 | 罗伯特·博世有限公司 | Storage bin for cryogenic media |
-
2015
- 2015-01-30 CN CN201520066514.7U patent/CN204436621U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210364A (en) * | 2017-06-30 | 2019-01-15 | 罗伯特·博世有限公司 | Storage bin for cryogenic media |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150701 Termination date: 20200130 |