CN203669997U - Hybrid power device and system with fuel and liquid gas - Google Patents
Hybrid power device and system with fuel and liquid gas Download PDFInfo
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- CN203669997U CN203669997U CN201420025211.6U CN201420025211U CN203669997U CN 203669997 U CN203669997 U CN 203669997U CN 201420025211 U CN201420025211 U CN 201420025211U CN 203669997 U CN203669997 U CN 203669997U
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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
Abstract
The utility model discloses a hybrid power device with fuel and liquid gas. The hybrid power device comprises a four-stroke internal combustion engine cylinder and a pneumatic machine cylinder. The pneumatic machine cylinder comprises a cylinder body, a piston arranged in the cylinder body and a cylinder cover, wherein a gas source working chamber is defined by the cylinder body, the piston and the cylinder cover, and the cylinder cover is provided with an inlet valve, an exhaust valve and a spraying nozzle stretching into the gas source working chamber. The piston of the pneumatic machine cylinder is connected with a piston of the internal combustion engine cylinder through a link mechanism to slide alternately in corresponding cylinder bodies. According to the hybrid power device, the liquid gas and the fuel serve as basic sources of driving force, the gas exhausted after the liquid gas acts serves as a pre-compressed gas source expanding when heated, and therefore the efficiency can be improved to the maximum extent, and pollution can be reduced. The utility model further provides a hybrid power system with the hybrid power device.
Description
Technical field
The utility model relates to technical field of engines, particularly a kind of mixed power plant, system that adopts fuel and liquid gas.
Background technique
Along with the high speed development of human society, a large amount of dynamic power machines are able to extensive use, and have become the indispensable part of human society.As everyone knows, existing dynamic power machine energy usage mode has all been brought serious destruction to physical environment, for example, produce the environmental pollutions such as heat energy discharge, greenhouse gas emission, the discharge of soot dust granule thing, the problem such as bring global warming, sea level rise, weather degenerates.
Wherein, the internal-combustion engine that technology is comparatively ripe is comparatively general at automobile and the application of each implement, realizes the output of power by converting the chemical energy of fuel to mechanical energy.But, be subject to the restriction of himself structure, in existing internal-combustion engine using process, the heat energy outburst that fuel combustion produces promotes piston operation acting, at this moment the heat of quite a few will pass on the body and cylinder cap of motor, and dissipate by cooling system, also have in addition a large amount of heat energy with exhaust emissions.That is to say, most of ignition heat is discharged in environment, and the objective reality based on above-mentioned thermal loss just makes the efficiency of internal combustion engine only reach 20% left and right.
The problem discharging again in order to solve energy storage, prior art has proposed a kind of processing mode.Gas compression is formed to storage of higher pressures, then annotate to the driving of cylinder mineralization pressure, replace the pressure of part by the rear generation of burning.But in this technology implementation procedure, storage of higher pressures requires the expenditure of energy 30%, discharge filling process loss 30%, the recycling rate of these means only has 9% left and right.On this basis, the internal-combustion engine capacity usage ratio of applying this processing mode also can only reach 20%-30%.
In addition, existing internal-combustion engine is larger for the consumption of fossil fuel equal energy source material, and soot dust granule thing after fuel combustion discharges direct befouling environment, therefore, is subject to the restriction of energy-saving and emission-reduction related request.
In view of this, urgently look for another way a kind of Technology of Hybrid Electric Vehicle is provided, effectively promoting on the basis of the efficiency of internal combustion engine, can reduce the impact of energy consumption and exhaust emission aspect.
Model utility content
For above-mentioned defect, the technical problem that the utility model solves is, a kind of mixed power plant that adopts fuel and liquid gas is provided, using based on liquid gas and fuel as the elementary sources that forms driving force, and effectively utilize the gas that discharges after the liquid gas work done precompression source of the gas as further expanded by heating, thereby can raise the efficiency to greatest extent, and reduce and pollute, keep starting cylinder internal clean.On this basis, the utility model also provides a kind of mixed power system of these power plant of application.
The employing fuel that the utility model provides and the mixed power plant of liquid gas, comprise quartastroke engine cylinder and pneumatic motor cylinder, wherein, described pneumatic motor cylinder comprises cylinder body, be built in the piston in described cylinder body and enclose with described cylinder body and piston the cylinder cap that forms source of the gas work chamber, is provided with intake valve, exhaust valve and stretches into the blast nozzle of described source of the gas active chamber on described cylinder cap; And the piston of described pneumatic motor cylinder is connected by linkage mechanism with the piston of described cylinder of internal combustion engine, alternately to slide in corresponding cylinder body.
Preferably, the cylinder body of described pneumatic motor cylinder and the cylinder body of described cylinder of internal combustion engine are integrally formed.
Preferably, described cylinder of internal combustion engine and described pneumatic motor cylinder are multiple, and are intervally arranged successively.
Preferably, described cylinder of internal combustion engine and described pneumatic motor cylinder are three or four, form six cylinders or eight cylinder power plant.
Preferably, the quantity of described cylinder of internal combustion engine is less than the quantity of described pneumatic motor cylinder.
The employing fuel that the utility model provides and the mixed power system of liquid gas, comprise and also comprise the mixed power plant of foregoing employing fuel and liquid gas: adiabatic liquid tank, for storing liquid gas; High-pressure gas cylinder, for storing high-pressure vaporization gas; Thermal source high-pressure carburetor, its thermal source branch road is for being communicated with the cooling circuit of power plant, and its vaporization branch road is communicated with described high-pressure gas cylinder and described adiabatic liquid tank; Heat exchange preheater, its the first thermal source branch road is for being communicated with the cooling circuit of power plant, its the first preheating branch road is communicated with the described blast nozzle of described high-pressure gas cylinder and described pneumatic motor cylinder, and its second preheating branch road is communicated with discharge manifold and the intake valve of described pneumatic motor cylinder; With jet controller, to export the startup of blast nozzle described in control command control and to stop the moment.
Preferably, described jet controller is exported described control command according to the rotating speed of described mixed power plant.
Preferably, described heat exchange preheater also has Secondary Heat Source branch road, and described Secondary Heat Source branch road is communicated with the I. C. engine exhaust pipeline parallel connection of power plant.
Preferably, also comprise the low squeeze pump of ultralow temperature, to get liquid gas and to be delivered to ultralow temperature low pressure liquid pipeline from described adiabatic liquid tank pump.
Preferably, also comprise ultralow temperature high pressure liquid pump, be arranged between described ultralow temperature low pressure liquid pipeline and the thermal source branch road of described thermal source high-pressure carburetor.
Preferably, also comprise mixer, described heat exchange preheater also comprises the return-air gasification output port being communicated with described the second preheating branch road; Described mixer configuration becomes: its suction port is communicated with described return-air gasification output port, and its liquid entering hole is communicated with the liquid outlet of described ultralow temperature high pressure liquid pump, and its outlet is communicated with the gas inlet of described thermal source high-pressure carburetor.
Preferably, the low squeeze pump of described ultralow temperature is built in described adiabatic liquid tank.
Preferably, the concrete automatic constant pressure of described ultralow temperature high pressure liquid pump starts pump.
Preferably, described liquid gas is specially liquid air, liquid nitrogen or liquid mixed gas.
Based on existing internal-combustion engine technology, the utility model proposes a kind of mixed power plant that adopts liquid gas, except cylinder of internal combustion engine, be provided with the pneumatic motor cylinder adaptive with it.Particularly, the cylinder cap of this pneumatic motor cylinder, cylinder body and be built in cylinder cap in cylinder body and enclose and form source of the gas work chamber, be provided with intake valve, exhaust valve and stretch into the blast nozzle of described source of the gas active chamber on cylinder cap; And the piston of pneumatic motor cylinder is connected by linkage mechanism with the piston of cylinder of internal combustion engine, alternately to slide in corresponding cylinder body.Thus, form air inlet, compression, acting and four working procedure of exhaust of pneumatic motor cylinder.
When intake stroke, IO Intake Valve Opens, exhaust valve closing, the piston of pneumatic motor cylinder can move to lower dead center by top dead center under the drive of linkage mechanism, and in whole process, bent axle will rotate 180 °.When compression stroke, the inlet and outlet door of pneumatic motor cylinder is closed simultaneously, and along with piston moves on gradually, after the gas pressurized in it, temperature will rise gradually.When working stroke, intake valve, exhaust valve are all closed, while approaching top dead center, blast nozzle injects the gas of high pressure, fully mix rear expansion with high-temperature gas in cylinder body, the instantaneous increase of space internal pressure, high temperature and high pressure gas promotes piston and moves to lower dead center from top dead center, and by the external output mechanical energy of connecting rod.When exhaust stroke, exhauxt valve opens, IC Intake Valve Closes, piston moves to top dead center from lower dead center, and the gas of having realized after work done is discharged.Compared with prior art, the mixed power plant that this programme provides can be applied liquid gas as " fuel ", form organic combination with the cylinder of internal combustion engine that uses traditional fuel, can greatly reduce the use amount of traditional fuel, thereby greatly reduce the granular material discharged environmental pollution causing.
On this basis, the mixed power system of applying these power plant further comprises the adiabatic liquid tank for storing liquid gas, and cryogenic liquid gas is wherein heated after vaporization via thermal source high-pressure carburetor, is stored in high-pressure gas cylinder.When work, pressurized gas in injected gas motivation cylinder, are specifically realized this preheating by the thermal source branch road of heat exchange preheater after preheating, and this thermal source branch road is communicated with the cooling circuit of power plant, thereby utilizes heat to be discharged to complete gas preheating; Meanwhile, the air inlet of this pneumatic motor cylinder is introduced by the discharge manifold of himself, and after the preheating of heat exchange preheater, is inhaled into cylinder block equally.So arrange, there is following useful efficiency compared with traditional power system:
First, the mixed power system that this programme provides can reduce fuel use amount under the prerequisite that obtains same power performance, can reduce pollution.
Secondly, this system can make full use of the heat energy discharging in fuel combustion process, realizes the pre-expansion of gas, and the heat of inflation process provides in cylinder block, and then can improve to greatest extent fuel utilization efficiency, overcome the thermal loss problem of traditional combustion engine.
The 3rd, the gas that in this programme, pneumatic motor cylinder is discharged, part is for the air inlet of cylinder, compared with sucking ambient air with conventional art, because the exhaust of this locking system is not polluted, in cylinder, there is the comparatively environment of high-quality, on the one hand, further utilize the heat with certain delivery temperature, provide reliable guarantee for cylinder start performance in addition.The gas of various liquefaction, can not comprise the material such as ice or dry ice, gasifies as after gas, becomes comparatively pure air inlet free from admixture, can evade icing phenomenon completely.
The 4th, the utility model has effectively utilized the boiling point of liquid gas lower, and the higher feature of temperature variation expansivity, even if also can reliability application at extremely cold weather; In addition, liquid volume is little, and as compared with the technology of driven medium, the storage volume of liquid gas differs 2-3 doubly, and stored energy is large with pressurized air.This programme once fills and adds that liquid gas can be for the long period, and liquid gas insulation is reliable, and especially, water, air, soil are hot poor conductor, have safe feature when actual use.
The 5th, adopt the work done elementary sources of liquid gas as pneumatic motor, in its preparation process, will produce a large amount of heat of concentrating, for example prepare liquid nitrogen, this can be concentrated heat collect and effectively utilize, need the thermal source of heating system as heating etc., guarantee that thus the production capacity of whole industrial chain is optimized.
Finally, the heat recovery and utilization based on this programme for power plant cooling circuit, can simplify cooling system system, for example, becomes simply for the heat dissipation design of the large combustion machines such as tank, can further reduce manufacture cost.
Accompanying drawing explanation
Fig. 1 shows the theory diagram that adopts the construction method of realizing mixed power output of fuel and liquid gas described in embodiment;
Fig. 2 is the mixed power system schematic diagram that adopts fuel and liquid gas described in the first embodiment;
Fig. 3 is the overall structure schematic diagram of cylinder of internal combustion engine described in embodiment;
Fig. 4 is the overall structure schematic diagram of pneumatic motor cylinder described in embodiment;
Fig. 5 is the mixed power system schematic diagram that adopts fuel and liquid gas described in the second embodiment.
In Fig. 1-Fig. 5:
Intake valve 41, connecting rod 42, blast nozzle 4, exhaust valve 44, piston 45.
Embodiment
Core of the present utility model is to provide a kind of mixed power output construction method that adopts fuel and liquid gas, and applies the employing fuel of this design and the mixed power system of liquid gas.Application the utility model can, on the basis of energy-saving and emission-reduction, fully improve energy utilization rate.Illustrate present embodiment below in conjunction with Figure of description.
Refer to Fig. 1, this illustrates the theory diagram that adopts the construction method of realizing mixed power output of fuel and liquid gas described in present embodiment.
As shown in the figure, the mixed power output construction method of this employing fuel and liquid gas, using liquid gas and fuel as the elementary sources that forms driving force, wherein, the pressure that after liquid gas preheating, further expanded by heating work done forms, the pressure forming with fuel combustion work done, jointly as the driving force of power output, and utilizes the gas that discharges after the liquid gas work done precompression source of the gas as further expanded by heating.Preferably, the thermal source that is heated comes from the discharges heat of internal-combustion engine: the heat of cooling circuit and/or the heat of gas exhaust piping.
In order further to improve its functional reliability, wherein the warm of liquid gas can be by liquid state through twice expanded by heating stage, thereby by elongating whole phase transition process, the free fully gasification of liquid gas is expanded, reach high as far as possible temperature, guaranteeing reliable and stable provides pneumatic motor with spraying into source of the gas.
Here, " liquid gas " can have for hydraulic pressure air, liquid nitrogen etc. the gas of the feature that boiling point is low, the specific volumetric dilatation that is heated is high, specifically can actual vehicle etc. the needs of application select; Also can be liquid mixed gas, the processing of actual raw material can come from industrial production and prepare the remaining raffinate after high-pure gas, can further improve the production capacity that liquid gas is prepared industrial chain." fuel " can be the traditional combustion engine fuel such as gasoline, diesel oil, liquefied petroleum gas (LPG), hydrogen, biogas, shale gas, biodiesel or rock gas, as long as can form and all can effective cooperation with pneumatic motor work done of the present utility model.
Without loss of generality, the basic source of the gas of present embodiment using liquid nitrogen as pneumatic linear actuator is elaborated, and should be appreciated that this source of the gas does not form the restriction to this programme flesh and blood.
Embodiment 1:
Refer to Fig. 2, the figure shows the mixed power system schematic diagram that adopts liquid gas described in the first embodiment.
It should be noted that, the applied power plant of this mixed power system, take liquid gas and traditional fuel as work done elementary sources, are specifically made up of cylinder of internal combustion engine and two major components of pneumatic motor cylinder; Wherein, those skilled in the art can adopt the four-stroke cylinder of internal combustion engine part of existing techniques in realizing, thus for the more clear core design place that the application is shown, in figure only the pneumatic motor part for this mixed power system make show in detail bright.
As shown in Figure 2, the adiabatic liquid tank 14 of this mixed power system, for storing liquid nitrogen, provides " fuel " of nitrogen as pneumatic motor to fill to add, and specifically can realize filling by the filling opening 13 of offering on adiabatic liquid tank 14.Certainly, its work done process is expanded by heating release pressure, not the burning on traditional concept.The liquid nitrogen being stored in adiabatic liquid tank 14 can enter thermal source high-pressure carburetor 16 by the ultralow temperature low pressure line 11 that can be incubated transmission, after realizing preheating for the first time by heat exchange, vaporize, the high-pressure vaporization nitrogen after increased pressure enters the interior storage of high-pressure gas cylinder 17; Wherein, thermal source high-pressure carburetor 16 its thermal source branch roads are for being communicated with the cooling circuit of power plant (internal-combustion engine part), and its cooling liquid entrance 9 and cooling liquid outlet 15 are communicated in the cooling circuit of internal-combustion engine, make full use of internal-combustion engine heat to be discharged.The first thermal source branch road of heat exchange preheater 18 is communicated with the cooling circuit of power plant (internal-combustion engine part) equally, it is the cooling circuit that its cooling liquid entrance 6 and cooling liquid outlet 19 are communicated in internal-combustion engine, and there is two-way preheating branch road: its first preheating branch road is communicated with the blast nozzle 4 of high-pressure gas cylinder 17 and pneumatic motor cylinder 3, for spraying into nitrogen preheating for the second time; Its second preheating branch road is communicated with discharge manifold 8 and the intake valve of pneumatic motor cylinder 3, specifically be communicated with intake valve by suction tude 5, thus, the air inlet of this pneumatic motor cylinder 3 is introduced by the discharge manifold 8 of himself, and after 18 preheatings of heat exchange preheater, be inhaled into cylinder block equally, enter cylinder work thereby carry heat.After heat exchange preheater 18, temperature can reach-40 ℃～90 ℃ (abnormal time motor boil can reach 110 ℃).Certainly, outlet pipe 7 is removed in discharge manifold 8 another branches' connections.
In addition, this mixed power system utilizes jet controller 1 to export control command, to control the startup of blast nozzle 4 and to stop the moment, as shown in the figure, jet controller 1 is passed to control command by guide line 2 control port of blast nozzle 4, specifically can be realized by software self adaption.
Wherein, the agent structure of cylinder of internal combustion engine is shown in Figure 3, shown in figure, using petrol engine cylinder as exemplary illustration, should be appreciated that except ignition engine, and this programme is also applicable to compressed ignition internal combustion engine.The piston 35 of this cylinder of internal combustion engine is built in cylinder body, is connected with connecting rod by connecting rod 36, specifically can adopt existing techniques in realizing, therefore repeat no more herein.Similarly, on its cylinder head, be provided with intake valve 31, exhaust valve 34, spark plug 32 and oil nozzle 33, form a sealing working procedure by aspirating stroke, compression stroke, expansion stroke and exhaust stroke four-stage, using gasoline as fuel combustion work done, promotion piston moves down and realizes power output.
Wherein, the agent structure of pneumatic motor cylinder is identical with cylinder of internal combustion engine, and please also refer to Fig. 4, this figure is the overall structure schematic diagram of pneumatic motor cylinder.Its piston 45 is built in cylinder body, and its cylinder cap and cylinder body and piston 45 enclose and form source of the gas work chamber, is provided with intake valve 41, exhaust valve 44 and stretches into the blast nozzle 4 of source of the gas active chamber on this cylinder cap; Here, the piston 45 of pneumatic motor cylinder is connected with connecting rod by connecting rod 42, realizes power output, is similarly four-stroke: air inlet, compression, acting and four working procedure of exhaust.The piston 45 of this pneumatic motor cylinder is connected by linkage mechanism with the piston 35 of cylinder of internal combustion engine, alternately to slide in the corresponding cylinder body of each leisure.In addition, the cylinder body of pneumatic motor cylinder and the cylinder body of cylinder of internal combustion engine are integrally formed, certainly, can be also split-type design between the two, and the integrally formed good manufacturability that has of comparing, therefore be optimal case.
Its engineering process of brief description below:
When intake stroke, intake valve 41 is opened, exhaust valve 44 cuts out, and the piston 45 of pneumatic motor cylinder can move to lower dead center by top dead center under the drive of linkage mechanism 42, and in whole process, bent axle will rotate 180 °.
When compression stroke, intake valve 41, exhaust valve 44 are closed simultaneously, and along with piston 45 moves on gradually, after the gas pressurized in it, temperature will rise gradually; According to intake temperature and compression ratio, temperature can be directly even higher at 100 ℃～800 ℃.
When working stroke, intake valve 41, exhaust valve 44 are all closed, and while approaching top dead center, blast nozzle 4 injects the gas of high pressure, and the gas pressure now spraying into from blast nozzle 4 can reach 80-300 barometric pressure, and temperature is-40 ℃～90 ℃; Fully mix rear expansion with high-temperature gas in cylinder body, the instantaneous increase of space internal pressure, high temperature and high pressure gas promotes piston 45 and moves to lower dead center from top dead center, and by the external output mechanical energy of connecting rod.Particularly, jet controller 1 is according to the rotating speed output control command of mixed power plant, to startup timely progress row on the opportunity adjustment control of blast nozzle 4.
When exhaust stroke, exhaust valve 44 is opened, intake valve 41 is closed, and piston 45 moves to top dead center from lower dead center, and the gas of having realized after work done is discharged.
It should be noted that, except working stroke, the piston action of this pneumatic motor cylinder can be carried out based on single cylinder inertia or multi-cylinder drive, specifically can design according to the actual demand of specified parameter.For example, cylinder of internal combustion engine and described pneumatic motor cylinder can be three, and are intervally arranged successively, form six cylinder power plant.Obviously, this mixed power plant can also be four cylinders, eight cylinders, twelve-cylinder etc. other are a plurality of, as long as in the scope that the core design design of application this programme is all protected in the application's request.
Especially, pneumatic motor cylinder is not limited to cylinder of internal combustion engine the setting that aforementioned quantity is identical, and both quantity completely can be different.Preferably, the quantity of cylinder of internal combustion engine is less than the quantity of pneumatic motor cylinder, and this design can be for the higher operating mode of ambient temperature, for example, equator etc., because environmental energy abundance is very easily obtained energy, under this operating mode, but most or all adopt pneumatic motor cylinder that the output of driving force is provided.
Under normal circumstances, cylinder of internal combustion engine and pneumatic motor cylinder can synchronously start work, real-time synchronization output drive strength.Certainly, the functional reliability of pneumatic part during for fear of cold-starting can be configured in the time of cold-starting: adopt the internal combustion part of fuel work done first to start, after the pneumatic part of employing liquid gas work done, start.Like this, the preheating temperature of pneumatic part, can be guaranteed by the cooling circuit based on after internal combustion partial combustion heating scheduled time length.In addition, in low power consumption situation, be configured under high ambient temperature operating mode: the gas that reduces the fuel delivery of described cylinder of internal combustion engine and improve pneumatic motor cylinder is supplied with, or internal-combustion engine quits work, merely by the pattern of pneumatic motor cylinder work.
In addition, mixed power system as shown in Figure 2, also comprises the low squeeze pump 12 of ultralow temperature, to get liquid gas and to be delivered to ultralow temperature low pressure liquid pipeline 11 from adiabatic liquid tank 14 pumps, pressure is roughly 3-5 barometric pressure, provides to the working medium of pneumatic motor cylinder to realize long distance output; Shown in figure, the low squeeze pump 12 of this ultralow temperature can be selected immersion liquid pump, can be built in thus in adiabatic liquid tank 14.
In addition, also comprise ultralow temperature high pressure liquid pump 10, be arranged between ultralow temperature low pressure liquid pipeline 11 and the thermal source branch road of described thermal source high-pressure carburetor 16, guarantee in the lump the reliable supply of pneumatic motor cylinder working medium with the low squeeze pump 12 of ultralow temperature.Preferably, the concrete automatic constant pressure of this ultralow temperature high pressure liquid pump 10 starts pump, specifically can set up its breakout pressure threshold value, guarantee the pressure threshold of output terminal, and then absorb heat expansion by thermal source high-pressure carburetor 16, and lay in high-pressure gas cylinder 17, pressure can reach 300 barometric pressure left and right.
Be understandable that, select when air when liquid gas, the gas handling system of internal-combustion engine can be simplified or cancel, to the demand minimizing of air, can dive under water or the situation of rarefaction of air under apply.
Embodiment 2:
The present embodiment with described in the first embodiment, adopt the mixed power system main composition of fuel and liquid gas identical, and on the first embodiment's basis, done further optimization.Refer to Fig. 5, the figure shows the mixed power system schematic diagram that adopts fuel and liquid gas described in the second embodiment.Show bright both difference contact for clear, in figure, identical function element indicates with identical mark.
This programme and the first embodiment have likened the improvement of two aspects mutually to.First, heat exchange preheater 18 also has Secondary Heat Source branch road, this Secondary Heat Source branch road is communicated with the I. C. engine exhaust pipeline parallel connection of power plant, be that its I. C. engine exhaust entrance 20 is communicated in I. C. engine exhaust pipeline with I. C. engine exhaust outlet 21, the exhaust gas heat that further utilizes thus internal-combustion engine, reduces thermal loss to greatest extent.
In addition, also comprise mixer 23, this heat exchange preheater 18 also comprises the return-air gasification output port 22 being communicated with the second preheating branch road, that is to say, shunt through discharge manifold 8 the pneumatic linear actuator exhaust that enters heat exchange preheater 18, after preheating, except inside and outside a part of inhaling air motivation cylinder, another branch is used for being fed back to thermal source high-pressure carburetor 16.As shown in the figure, this mixer 23 is configured to: its suction port is communicated with return-air gasification output port 22, its liquid entering hole is communicated with the liquid outlet of ultralow temperature high pressure liquid pump 10, its outlet is communicated with the gas inlet of thermal source high-pressure carburetor 16, for the process preheating final vacuum branch of high-pressure liquid gas and feedback is mixed, then pass in thermal source high-pressure carburetor 16 gas-liquid mixture that formation temperature raises, reduce the difficulty of follow-up vaporization, thereby improve its vaporization performance.
The foregoing is only preferred implementation of the present utility model, do not form the restriction to the utility model protection domain.Any any modification of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in claim protection domain of the present utility model.
Claims (14)
1. the mixed power plant that adopts fuel and liquid gas, comprises quartastroke engine cylinder, it is characterized in that, also comprise pneumatic motor cylinder, described pneumatic motor cylinder comprises:
Cylinder body;
Piston, is built in described cylinder body; With
Cylinder cap, encloses and forms source of the gas work chamber with described cylinder body and piston, is provided with intake valve, exhaust valve and stretches into the blast nozzle of described source of the gas active chamber on described cylinder cap; And
The piston of described pneumatic motor cylinder is connected by linkage mechanism with the piston of described cylinder of internal combustion engine, alternately to slide in corresponding cylinder body.
2. mixed power plant according to claim 1, is characterized in that, the cylinder body of described pneumatic motor cylinder and the cylinder body of described cylinder of internal combustion engine are integrally formed.
3. mixed power plant according to claim 1 and 2, is characterized in that, described cylinder of internal combustion engine and described pneumatic motor cylinder are multiple, and are intervally arranged successively.
4. mixed power plant according to claim 3, is characterized in that, described cylinder of internal combustion engine and described pneumatic motor cylinder are three or four, forms six cylinders or eight cylinder power plant.
5. mixed power plant according to claim 1 and 2, is characterized in that, the quantity of described cylinder of internal combustion engine is less than the quantity of described pneumatic motor cylinder.
6. the mixed power system that adopts fuel and liquid gas, is characterized in that, comprising:
Employing fuel as described in any one in claim 1 to 5 and the mixed power plant of liquid gas, also comprise:
Adiabatic liquid tank, for storing liquid gas;
High-pressure gas cylinder, for storing high-pressure vaporization gas;
Thermal source high-pressure carburetor, its thermal source branch road is for being communicated with the cooling circuit of power plant, and its vaporization branch road is communicated with described high-pressure gas cylinder and described adiabatic liquid tank;
Heat exchange preheater, its the first thermal source branch road is for being communicated with the cooling circuit of power plant, its the first preheating branch road is communicated with the described blast nozzle of described high-pressure gas cylinder and described pneumatic motor cylinder, and its second preheating branch road is communicated with discharge manifold and the intake valve of described pneumatic motor cylinder; With
Jet controller, to export the startup of blast nozzle described in control command control and to stop the moment.
7. mixed power system according to claim 6, is characterized in that, described jet controller is exported described control command according to the rotating speed of described mixed power plant.
8. according to the mixed power system described in claim 6 or 7, it is characterized in that, described heat exchange preheater also has Secondary Heat Source branch road, and described Secondary Heat Source branch road is communicated with the I. C. engine exhaust pipeline parallel connection of power plant.
9. mixed power system according to claim 8, is characterized in that, also comprises the low squeeze pump of ultralow temperature, to get liquid gas and to be delivered to ultralow temperature low pressure liquid pipeline from described adiabatic liquid tank pump.
10. mixed power system according to claim 9, is characterized in that, also comprises ultralow temperature high pressure liquid pump, is arranged between described ultralow temperature low pressure liquid pipeline and the thermal source branch road of described thermal source high-pressure carburetor.
11. mixed power systems according to claim 9, is characterized in that, also comprise mixer, and described heat exchange preheater also comprises the return-air gasification output port being communicated with described the second preheating branch road; Described mixer configuration becomes: its suction port is communicated with described return-air gasification output port, and its liquid entering hole is communicated with the liquid outlet of described ultralow temperature high pressure liquid pump, and its outlet is communicated with the gas inlet of described thermal source high-pressure carburetor.
12. mixed power systems according to claim 9, is characterized in that, the low squeeze pump of described ultralow temperature is built in described adiabatic liquid tank.
13. mixed power systems according to claim 10, is characterized in that, the concrete automatic constant pressure of described ultralow temperature high pressure liquid pump starts pump.
14. mixed power systems according to claim 6, is characterized in that, described liquid gas is specially liquid air, liquid nitrogen or liquid mixed gas.
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| CN201420025211.6U CN203669997U (en) | 2014-01-15 | 2014-01-15 | Hybrid power device and system with fuel and liquid gas |
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| CN201420025211.6U CN203669997U (en) | 2014-01-15 | 2014-01-15 | Hybrid power device and system with fuel and liquid gas |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711680A (en) * | 2014-01-15 | 2014-04-09 | 苟仲武 | Hybrid power device and system and power output construction method adopting fuel and liquid gas |
| CN106089409A (en) * | 2016-06-15 | 2016-11-09 | 徐小山 | A kind of piston reciprocating type electromotor |
| CN111997745A (en) * | 2020-07-20 | 2020-11-27 | 北京工业大学 | Nitrogen-hydrogen-doped gasoline fuel rotor machine and control method thereof |
-
2014
- 2014-01-15 CN CN201420025211.6U patent/CN203669997U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711680A (en) * | 2014-01-15 | 2014-04-09 | 苟仲武 | Hybrid power device and system and power output construction method adopting fuel and liquid gas |
| CN106089409A (en) * | 2016-06-15 | 2016-11-09 | 徐小山 | A kind of piston reciprocating type electromotor |
| CN106089409B (en) * | 2016-06-15 | 2019-06-28 | 徐小山 | A kind of piston reciprocating type engine |
| CN111997745A (en) * | 2020-07-20 | 2020-11-27 | 北京工业大学 | Nitrogen-hydrogen-doped gasoline fuel rotor machine and control method thereof |
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