CN104632362B - Exhaust gas expanding mechanism for two-stroke pure oxygen engine - Google Patents
Exhaust gas expanding mechanism for two-stroke pure oxygen engine Download PDFInfo
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- CN104632362B CN104632362B CN201510072237.5A CN201510072237A CN104632362B CN 104632362 B CN104632362 B CN 104632362B CN 201510072237 A CN201510072237 A CN 201510072237A CN 104632362 B CN104632362 B CN 104632362B
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- master cylinder
- cylinder
- secondary cylinder
- master
- turbine
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- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 239000007789 gas Substances 0.000 title abstract description 20
- 239000002912 waste gas Substances 0.000 claims abstract description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 8
- 239000001301 oxygen Substances 0.000 claims abstract description 8
- 239000002699 waste material Substances 0.000 claims description 28
- 239000007921 spray Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000000446 fuel Substances 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003502 gasoline Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003752 improving hair Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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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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Abstract
The invention relates to an exhaust gas expanding mechanism for a two-stroke pure oxygen engine. The exhaust gas expanding mechanism for the two-stroke pure oxygen engine comprises a main cylinder, wherein a piston movement mechanism consisting of a main cylinder piston, a main cylinder linking rod and a main cylinder bent axle is arranged in the main cylinder; the upper part of the main cylinder is provided with an oil nozzle, an oxygen nozzle, a main cylinder valve and a main cylinder exhaust manifold connected with the main cylinder valve; the main cylinder exhaust manifold is connected with the exhaust gas expanding mechanism, and an exhaust opening of the exhaust gas expanding mechanism is interconnected with air. From the technical scheme, through the arrangement of the exhaust gas expanding mechanism behind the main cylinder exhaust manifold, the exhaust gas expanding mechanism can further expand and act the waste gas discharged by the engine cylinder, and thereby energy brought by the exhaust gas is recycled, and the heating efficiency of the whole engine is improved.
Description
Technical field
The present invention relates to a kind of two-stroke pure oxygen engine, and in particular to a kind of two-stroke pure oxygen engine waste expansion
Mechanism.
Background technology
At present, gasoline or Diesel engine are used general automobile engine more.Either petrol engine or diesel oil
Engine, all haves the shortcomings that the thermal efficiency is low, carbon emission amount is high, so a kind of two-stroke pure oxygen engine arises at the historic moment, two punchings
Journey pure oxygen engine can greatly improve the thermal efficiency of engine by the use of pure oxygen as catalyst, lower carbon emission amount, specific knot
Structure and principle can be found in ZL201120413605.5, publication number CN202391561U.But two-stroke pure oxygen engine is being used
During, although expansion ratio is higher than existing gasoline and Diesel engine, but is limited by power and mechanical efficiency, is expanded
Very bigger than that can not be designed to, this allows for waste gas still has pressure and temperature very high, the energy that waste gas is taken away when cylinder is discharged
Ratio is big, causes the thermal efficiency of engine to diminish.
The content of the invention
It is an object of the invention to provide a kind of two-stroke pure oxygen engine waste expansion mechanism, the waste expansion mechanism
The energy that waste gas is taken away can be reclaimed to the further expansion work of waste gas of cylinder discharge, improve the whole machine of engine
The thermal efficiency.
To achieve the above object, present invention employs following technical scheme：It is provided with including master cylinder, in master cylinder and is lived by master cylinder
The piston movement mechanism that plug, master cylinder connecting rod and master cylinder bent axle are constituted, is provided with atomizer, spray oxygen mouth, master cylinder valve above master cylinder
And the master cylinder exhaust manifold connected with master cylinder valve, described master cylinder exhaust manifold is connected with waste expansion mechanism, waste expansion
The exhaust outlet and atmosphere of mechanism, described waste expansion mechanism include being separately positioned on the first, second of turbine wheel shaft two ends
Turbine, the air inlet of the first turbine is connected by the first pipeline with master cylinder exhaust manifold, and the exhaust outlet of the first turbine leads to
Cross second pipe to be connected with the air inlet of the second turbine, the exhaust outlet and atmosphere of the second turbine, described master cylinder is simultaneously
Row set two, and two master cylinder exhaust manifolds are connected with the first pipeline respectively.
The centre position of the turbine wheel shaft is coaxially provided with gear, and gear is connected by decelerator with the gear of master cylinder bent axle.
Two described master cylinders are symmetrical arranged, and the master cylinder valve on two master cylinders is arranged close to.
Described waste expansion mechanism includes secondary cylinder, is provided with secondary cylinder by secondary cylinder piston, secondary cylinder rod and secondary cylinder crankshaft structure
Into piston movement mechanism, secondary cylinder valve and the secondary cylinder exhaust manifold connected with secondary cylinder valve, the pair are provided with above secondary cylinder
The volume of cylinder of cylinder is more than master cylinder, and master cylinder exhaust manifold is connected with the top of pair cylinder, the exhaust outlet of described secondary cylinder exhaust manifold
With atmosphere, described master cylinder bent axle is wholely set with secondary cylinder crankshaft, and master cylinder connecting rod passes through the first crank and master cylinder bent axle phase
Even, secondary cylinder rod is connected by the second crank with pair cylinder crankshaft, and described the first crank and the second crank mutually staggers 180 degree,
Secondary cylinder piston is in bottom dead center position when master cylinder piston is in top dead center position.
Described master cylinder is structure as a whole with secondary cylinder.
As shown from the above technical solution, by setting waste expansion mechanism behind master cylinder exhaust manifold, this gives up the present invention
Gas expansion mechanism can reclaim the energy that waste gas is taken away to the further expansion work of waste gas of cylinder discharge, improve hair
The thermal efficiency of the whole machine of motivation.
Brief description of the drawings
Fig. 1 is the structural representation of two-stroke pure oxygen engine；
Fig. 2 is the A-A sectional views of Fig. 1；
Fig. 3 is the structural representation of the embodiment of the present invention one；
Fig. 4 is the schematic diagram of the embodiment of the present invention one；
Fig. 5 is the structural representation of the preferred scheme of the embodiment of the present invention one；
Fig. 6 is the structural representation of the embodiment of the present invention two；
Fig. 7 is the structural representation of the preferred scheme of the embodiment of the present invention two.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings：
It is provided with two-stroke pure oxygen engine as shown in Figure 1 and Figure 2, including master cylinder 1, master cylinder 1 by master cylinder piston 11, master
The piston movement mechanism that cylinder rod 12 and master cylinder bent axle 13 are constituted, the top of master cylinder 1 is provided with atomizer 14, spray oxygen mouth 15, master cylinder
Valve 16 and the master cylinder exhaust manifold 17 connected with master cylinder valve 16.Spray oxygen mouth 15 is connected with oxygen feed system, oxygen supply
System uses the gaskraftstoffzufuhranlage of gaseous fuel in-cylinder direct fuel-injection engine, and the supply principle of gas fuel system is by height
Gaseous fuel elder generation's pressurized storage of pressure storage or liquefied storage is in pressure accumlator, then is fired gas by electric injector
Material is injected directly into combustion chamber acting.Atomizer is connected with fuel oil supply system, fuel oil supply system principle and existing diesel engine
Machine fuel oil supply system principle is identical.The effect of the cooling system, lubricating system of the two-stroke pure oxygen engine and composition with
Existing automobile engine is identical.The concrete structure and principle of two-stroke pure oxygen engine will not be repeated here with reference to prior art.
Master cylinder exhaust manifold 17 is connected with waste expansion mechanism, the exhaust outlet and atmosphere of waste expansion mechanism.In order to
Expansion ratio is also smaller in use to solve two-stroke pure oxygen engine, waste gas still have when cylinder is discharged pressure very high and
Temperature, the big shortcoming of energy ratio that waste gas is taken away, the present invention is connected to waste expansion mechanism on master cylinder exhaust manifold, to master
The waste gas of cylinder discharge further expands workmanship, the energy that waste gas is taken away is reclaimed, to improve the heat of the two-stroke whole machine of pure oxygen engine
Efficiency.
Embodiment one：
As shown in Figure 3, Figure 4, waste expansion mechanism includes being separately positioned on first, second turbine at the two ends of turbine wheel shaft 21
22nd, 23, the air inlet of the first turbine 22 is connected by the first pipeline 24 with master cylinder exhaust manifold 17, the row of the first turbine 22
Gas port is connected by second pipe 25 with the air inlet of the second turbine 23, the exhaust outlet and atmosphere of the second turbine 23.
Further, the centre position of turbine wheel shaft 21 is coaxially provided with gear 26, and gear 26 is bent with master cylinder by decelerator 27
The gear of axle 13 is connected.
Preferably, as shown in figure 5, master cylinder 1 is set up in parallel two, two master cylinder exhaust manifolds 17 respectively with the first pipeline 24
It is connected.The advantage for setting two master cylinders is that twin-tub can continuously be supplied to turbine mechanism, and turbine efficiency is of a relatively high, while row
Air pressure Reeb will not produce interference to the scavenging later stage, and waste gas will not be produced to flow backwards phenomenon.It is more highly preferred to, two master cylinders 1 are symmetrical
Set, the master cylinder valve 16 on two master cylinders 1 is arranged close to.The side of atomizer and spray oxygen mouth master cylinder valve, it is double main in selection
During cylinder structure, two master cylinders are symmetrical arranged, i.e., two master cylinder valves mutually are pressed close to set, the distance between two such master cylinder valve
Small so that two master cylinder exhaust manifolds can connect setting, two master cylinder exhaust manifolds can share first pipeline and
The air inlet of one turbine is connected, the more compact structure of engine.
The waste expansion mechanism of embodiment one is equivalent to a turbine type waste expansion mechanism, its operation principle：Master cylinder
The high temperature and high pressure gas (waste gas) of discharge enter the first turbine, and push away by master cylinder valve, master cylinder exhaust manifold, the first pipeline
The impeller rotation of dynamic first turbine, still has temperature and pressure very high from the gas of the first turbine discharge, then by second
Pipeline enters the second turbine, and promotes the impeller of the second turbine to rotate, and the gas of the second turbine discharge is directly entered greatly
Gas；Power produced by the impeller of the impeller of the first turbine and the second turbine passes through gear, decelerator, the tooth of master cylinder bent axle
Wheel passes to engine；First, second turbine preferentially uses the radial-flow turbine used in existing automobile turbocharger.
Embodiment two：
As shown in fig. 6, waste expansion mechanism includes secondary cylinder 3, it is provided with secondary cylinder 3 by secondary cylinder piston 31, the secondary and of cylinder rod 32
The piston movement mechanism that secondary cylinder crankshaft 33 is constituted, the top of secondary cylinder 3 is provided with secondary cylinder valve 34 and the pair connected with secondary cylinder valve 34
Cylinder exhaust manifold 35, the volume of cylinder of secondary cylinder 3 is more than master cylinder 1, and master cylinder exhaust manifold 17 is connected with the top of secondary cylinder 3, secondary cylinder row
The exhaust outlet and atmosphere of gas manifold 35, master cylinder bent axle 13 are wholely set with secondary cylinder crankshaft 33, i.e. master cylinder bent axle is bent with secondary cylinder
Axle is same bent axle, and master cylinder connecting rod 12 is connected by the first crank with master cylinder bent axle 13, and secondary cylinder rod 32 passes through the second crank
It is connected with secondary cylinder crankshaft 33, the first crank and the second crank mutually stagger 180 degree, pair when master cylinder piston 11 is in top dead center position
Cylinder piston 31 is in bottom dead center position.It should be noted that the volume of cylinder of secondary cylinder 3 should be much larger than the cylinder appearance of master cylinder 1 here
Product.
Preferably, as shown in fig. 7, master cylinder 1 is structure as a whole with secondary cylinder 3.Set into a single integrated structure advantage be can be with
Reduce the volume of exhaust manifold, the volume of exhaust manifold is smaller, waste gas free wxpansion in exhaust manifold, under causing exhaust gas pressure
The degree of drop is smaller, and the ability of waste gas acting is also bigger；Integrated design can also make the structure of engine compacter.
The waste expansion mechanism of embodiment two is equivalent to a piston type waste expansion mechanism, its operation principle：Secondary cylinder
Two strokes of piston reciprocating complete a working cycles, and two strokes of secondary cylinder are expansion stroke and instroke.Specifically, when
When secondary cylinder piston is in top dead centre, secondary cylinder valve has been switched off, and now master cylinder piston is in lower dead center, and master cylinder valve opening is (main
Cylinder valve is just opened after secondary cylinder valve-closing), master cylinder waste gas enters secondary cylinder through master cylinder exhaust manifold, makes the pressure in secondary cylinder
Raise.Secondary cylinder piston is moved from top dead centre to lower dead center under the promotion of high pressure exhaust gas, and secondary cylinder crankshaft is revolved by secondary cylinder rod
Turn and output mechanical energy, when secondary cylinder piston moves to bottom dead center position, expansion stroke terminates, now secondary cylinder valve opening；
When top dead centre is moved to by lower dead center under drive of the secondary cylinder piston in secondary cylinder crankshaft, secondary cylinder waste gas in pressure itself and
Through secondary cylinder valve, the secondary secondary cylinder of cylinder exhaust manifold discharge, when secondary cylinder piston moves to top dead center position, row under the promotion of secondary cylinder piston
Gas stroke terminates.
In sum, the present invention sets waste expansion mechanism behind master cylinder exhaust manifold, by waste expansion mechanism pair
The further expansion work of waste gas of cylinder discharge, reclaims the energy that waste gas is taken away, and improves the thermal efficiency of the whole machine of engine.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to model of the invention
Enclose and be defined, on the premise of design spirit of the present invention is not departed from, those of ordinary skill in the art are to technical side of the invention
Various modifications and improvement that case is made, all should fall into the protection domain of claims of the present invention determination.
Claims (5)
1. a kind of two-stroke pure oxygen engine waste expansion mechanism, including master cylinder（1）, master cylinder（1）Inside it is provided with by master cylinder piston
（11）, master cylinder connecting rod（12）With master cylinder bent axle（13）The piston movement mechanism of composition, master cylinder（1）Top be provided with atomizer
（14）, spray oxygen mouth（15）, master cylinder valve（16）And with master cylinder valve（16）The master cylinder exhaust manifold of connection（17）, its feature exists
In：Described master cylinder exhaust manifold（17）Mechanism is connected with waste expansion, the exhaust outlet and atmosphere of waste expansion mechanism, institute
The waste expansion mechanism for stating includes being separately positioned on turbine wheel shaft（21）First, second turbine at two ends（22、23）, the first turbine
Machine（22）Air inlet pass through the first pipeline（24）With master cylinder exhaust manifold（17）It is connected, the first turbine（22）Exhaust outlet lead to
Cross second pipe（25）With the second turbine（23）Air inlet connection, the second turbine（23）Exhaust outlet and atmosphere,
Described master cylinder（1）It is set up in parallel two, two master cylinder exhaust manifolds（17）Respectively with the first pipeline（24）It is connected.
2. two-stroke pure oxygen engine waste expansion mechanism according to claim 1, it is characterised in that：The turbine wheel shaft
（21）Centre position be coaxially provided with gear（26）, gear（26）By decelerator（27）With master cylinder bent axle（13）Gear phase
Even.
3. two-stroke pure oxygen engine waste expansion mechanism according to claim 1, it is characterised in that：Described two
Master cylinder（1）It is symmetrical arranged, two master cylinders（1）On master cylinder valve（16）It is arranged close to.
4. two-stroke pure oxygen engine waste expansion mechanism according to claim 1, it is characterised in that：Described waste gas
Expansion mechanism includes secondary cylinder（3）, secondary cylinder（3）Inside it is provided with by secondary cylinder piston（31）, secondary cylinder rod（32）With secondary cylinder crankshaft（33）Structure
Into piston movement mechanism, secondary cylinder（3）Top be provided with secondary cylinder valve（34）And with secondary cylinder valve（34）The secondary cylinder exhaust of connection
Manifold（35）, the secondary cylinder（3）Volume of cylinder be more than master cylinder（1）, master cylinder exhaust manifold（17）With secondary cylinder（3）Top connect
Logical, described secondary cylinder exhaust manifold（35）Exhaust outlet and atmosphere, described master cylinder bent axle（13）With secondary cylinder crankshaft（33）
It is wholely set, master cylinder connecting rod（12）By the first crank and master cylinder bent axle（13）It is connected, secondary cylinder rod（32）By the second crank
With secondary cylinder crankshaft（33）It is connected, described the first crank and the second crank mutually staggers 180 degree, master cylinder piston（11）Stop in upper
Secondary cylinder piston during point position（31）In bottom dead center position.
5. two-stroke pure oxygen engine waste expansion mechanism according to claim 4, it is characterised in that：Described master cylinder
（1）With secondary cylinder（3）It is structure as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510072237.5A CN104632362B (en) | 2015-02-12 | 2015-02-12 | Exhaust gas expanding mechanism for two-stroke pure oxygen engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510072237.5A CN104632362B (en) | 2015-02-12 | 2015-02-12 | Exhaust gas expanding mechanism for two-stroke pure oxygen engine |
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| Publication Number | Publication Date |
|---|---|
| CN104632362A CN104632362A (en) | 2015-05-20 |
| CN104632362B true CN104632362B (en) | 2017-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510072237.5A Active CN104632362B (en) | 2015-02-12 | 2015-02-12 | Exhaust gas expanding mechanism for two-stroke pure oxygen engine |
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| CN112937278A (en) * | 2021-02-04 | 2021-06-11 | 浙江吉利控股集团有限公司 | Air energy heat insulation external combustion power system and driving method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5884482A (en) * | 1994-05-13 | 1999-03-23 | Scania Cv Aktiebolag | Combustion engine of turbocompound type with exhaust gas brake |
| JP2008169719A (en) * | 2007-01-10 | 2008-07-24 | Motonobu Kumagai | Two-stroke insulated compound engine |
| WO2012020568A1 (en) * | 2010-08-10 | 2012-02-16 | 川崎重工業株式会社 | Engine system and ship |
| CN202391561U (en) * | 2011-10-27 | 2012-08-22 | 虞慎雨 | Two-stroke pure oxygen energy-saving type engine |
| CN103266950A (en) * | 2013-05-09 | 2013-08-28 | 刘红旗 | Oil water fuel composite exhaust gas powered two-stroke engine |
| CN104005846A (en) * | 2013-02-23 | 2014-08-27 | 刘红旗 | Fuel-selectable piston type two-travel engine |
| CN204476553U (en) * | 2015-02-12 | 2015-07-15 | 虞慎雨 | Two-stroke pure oxygen motor waste expansion mechanism |
-
2015
- 2015-02-12 CN CN201510072237.5A patent/CN104632362B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5884482A (en) * | 1994-05-13 | 1999-03-23 | Scania Cv Aktiebolag | Combustion engine of turbocompound type with exhaust gas brake |
| JP2008169719A (en) * | 2007-01-10 | 2008-07-24 | Motonobu Kumagai | Two-stroke insulated compound engine |
| WO2012020568A1 (en) * | 2010-08-10 | 2012-02-16 | 川崎重工業株式会社 | Engine system and ship |
| CN202391561U (en) * | 2011-10-27 | 2012-08-22 | 虞慎雨 | Two-stroke pure oxygen energy-saving type engine |
| CN104005846A (en) * | 2013-02-23 | 2014-08-27 | 刘红旗 | Fuel-selectable piston type two-travel engine |
| CN103266950A (en) * | 2013-05-09 | 2013-08-28 | 刘红旗 | Oil water fuel composite exhaust gas powered two-stroke engine |
| CN204476553U (en) * | 2015-02-12 | 2015-07-15 | 虞慎雨 | Two-stroke pure oxygen motor waste expansion mechanism |
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| CN104632362A (en) | 2015-05-20 |
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Effective date of registration: 20201125 Address after: Unit 201, no.488, Gongnong Road, Chongchuan District, Nantong City, Jiangsu Province, 226011 Patentee after: Nantong Ruiji Automation Technology Co.,Ltd. Address before: 246500 Susong Road, Susong County, Anhui, Anqing Patentee before: Yu Shenyu |