CN103912406B - A kind of thermal power machine and work method thereof - Google Patents
A kind of thermal power machine and work method thereof Download PDFInfo
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- CN103912406B CN103912406B CN201410177416.0A CN201410177416A CN103912406B CN 103912406 B CN103912406 B CN 103912406B CN 201410177416 A CN201410177416 A CN 201410177416A CN 103912406 B CN103912406 B CN 103912406B
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- 238000009434 installation Methods 0.000 claims abstract description 19
- 239000006096 absorbing agent Substances 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims description 29
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Abstract
The present invention relates to a kind of thermal power machine and work method thereof, comprise heat absorber, heat conduction device, gasification installation, acting mechanism, cooling unit, transmission device and circulation means, it is characterized in that: heat absorber connects heat conduction device by pipeline, heat conduction device is arranged on gasification installation, gasification installation connects acting mechanism, acting mechanism connects cooling unit and transmission device, cooling unit connects circulation means, circulation means connects gasification installation, transmission device association circulation means, often complete and once circulate, circulation means open and close once.The present invention has working medium circulation to use, pollution-free; Thermal energy conversion efficiency 65%-98%; Output power can be adjusted; This equipment carries out gasification acting to working medium, and whole process does not produce pinking; Machine construction is simple, and can substitute conventional energy resource consumption, high financial profit, energy-conserving and environment-protective, noise is little.
Description
Technical field
The invention belongs to thermal power machine field, the thermal power transfer such as the high-temperature gas that the high-temperature gas, engine thermal energy or the tail gas that especially utilize solar energy, underground heat, combustible combustion to produce, factory discharge become the power machine of kinetic energy.
Background technique
Traditional power machine has steamer, internal-combustion engine, external-combustion engine.
Steamer: be unable to do without boiler, whole device not only heaviness but also huge; The pressure and temperature of initial steam can not be too high, and exhaust pressure can not be too low, and the thermal efficiency is difficult to improve; It is a kind of reciprocator, and inertia limits the raising of rotating speed; Working procedure is discontinuous, and the flow of steam is restricted, and also just limits the raising of power.
Internal-combustion engine: complex structure, higher to demanded fuel, strict to the purity requirements of fuel, environmental pollution.
External-combustion engine, if heat engine is wherein a kind of, heat engine compares with internal-combustion engine and possesses following advantage:
Be applicable to the various energy, no matter be liquid, gaseous state or solid-state fuel, when adopting heat-carrying system (as heat pipe) indirect heating, almost can use any high temperature heat source (solar energy radioisotope and nuclear reaction etc.), and motor itself (except heater) does not need to do any change.Heat engine is without the need to compressor boost simultaneously, uses general blower fan to meet the demands, and allows fuel to have higher impurity content; Heat engine single-machine capacity is little, unit capacity from 20-50kw, the increase and decrease power system capacity that can suit measures to local conditions; Structure is simple, number of components fewer than internal-combustion engine 40%, and room for price-cut is large; Maintenance cost is low.
Heat engine operationally, due to continuous burning in the firing chamber of fuel outside cylinder, working medium independent of combustion gas is absorbed heat by heater, and externally do work by Stirling cycle, therefore avoid pinking acting and the intermittent combustion process of similar internal-combustion engine, thus achieve efficient, low noise and low emission runs.Efficient: overall energetic efficiency reaches more than 80%; Low noise: in 68dBA at the bottom of 1 meter of bare machine noise; Low emission: exhaust emissions reaches Europe 5 standard.
Because working medium is not burnt, external-combustion engine avoids the quick-fried acting problem of shake of traditional combustion engine, thus achieves high efficiency, low noise, low stain and low operating cost.External-combustion engine can burn various inflammable gas, and as rock gas, biogas, petroleum gas, hydrogen, coal gas etc., the also liquid fuel such as incendivity diesel oil, liquefied petroleum gas (LPG), can also burn wood, and utilizes solar energy etc.As long as hot chamber reaches 700 DEG C, equipment can do work operation, and ambient temperature is lower, and generating efficiency is higher.The maximum advantage of external-combustion engine to be exerted oneself and efficiency does not affect by altitude, is very suitable for high altitude localities use.
Simultaneously heat engine remain subject matter and shortcoming be: manufacture cost is higher, and working medium sealing technique is more difficult, and reliability and the life-span of Sealing also have problems, and cost of material is high, and power adjustments control system is more complicated, and machine is comparatively heavy; The cost of expansion chamber, pressing chamber, heater, cooling chamber, regenerator etc. is high, and heat loss is 2-3 times of explosive motor etc.
Organic rankine cycle system comprises pump, vaporizer, decompressor, generator, condenser etc.Heat sink solar irradiance, in heat absorber, heat exchange medium temperature raises, and heat transferring medium passes to organic working medium by vaporizer heat.Organic working medium is level pressure heating in vaporizer, and the gaseous state organic working medium of high pressure enters expander acting, and drive electrical generators generates electricity; The organic working medium that decompressor afterbody is discharged enters level pressure condensation in condenser, and the organic working medium of condensator outlet enters vaporizer and completes a power generation cycle after pump pressurization.
It is not high to there is conversion efficiency in organic rankine cycle system, and volume is large, needs to do work by baroque decompressor.
Summary of the invention
The cost that instant invention overcomes the expansion chamber, pressing chamber, heater, cooling chamber, regenerator etc. that Stirling engine exists is high, and heat loss is the problems such as 2-3 times of explosive motor; Overcome organic rankine cycle system and need decompressor or steam turbine, the technical barrier that manufacture cost is high.The thermal power machine that the present invention proposes utilizes existing single cylinder or multicylinder engine structure, in conjunction with the power equipment of heat engine and organic rankine cycle system advantage.After heat absorption, gasification reactor is heated by heat absorber, make the swollen promotion piston of working medium high-temperature gasification Peng produce kinetic energy acting.
The invention provides that a kind of thermal energy conversion efficiency is high, working medium can recycle, working medium quantity can be adjusted to adjust output power, to carry out adjusting the thermodynamic apparatus of output power, machine stable output power by adjustment temperature within the scope of peak output.
The technical solution used in the present invention is: a kind of thermal power machine, comprise heat absorber, heat conduction device, gasification installation, acting mechanism, cooling unit, transmission device and circulation means, it is characterized in that: heat absorber connects heat conduction device by pipeline, heat conduction device is arranged on gasification installation, gasification installation connects acting mechanism, acting mechanism connects cooling unit and transmission device, cooling unit connects circulation means, circulation means connects gasification installation, transmission device association circulation means, often complete and once circulate, circulation means open and close once.
Further, the heat energy such as high-temperature gas that the high-temperature gas that heat absorber can absorb solar energy, underground heat, combustible combustion produce, exhaust gases of internal combustion engines, factory discharge.
Further, heat conduction device comprises and is arranged on gasification heat-conducting plate on gasification reactor and is arranged on the outer field thermal insulation layer of cylinder.
Further, gasification installation comprises pressure vessel, gasification heat-conducting plate, pore, atomizer, and gasification heat-conducting plate is arranged on pressure vessel, and on gasification heat-conducting plate, array is provided with pore, and pressure vessel inlet end is provided with atomizer.
Further, acting mechanism comprises cylinder and is located at inner piston, is arranged on the piston ring on piston, the connecting rod be connected with piston, the bent axle be connected with connecting rod, is located at the bearing in bent axle.
Further, cooling unit comprises the outlet valve be arranged on cylinder, the cold doubtful device be connected with outlet valve by pipeline, the liquid container be connected with cold doubtful device by pipeline, and outlet valve association transmission shaft, often completes the open and close of a circulating exhaust valve once.
Further, transmission device comprises the bearing that casing is arranged, and is located at the bearing in bent axle, is fixed on the transmission shaft on bearing.
Further, circulation means comprises by pipeline and the tank connected pressure pump of liquid storage, the atomizer be connected with pressure pump by pipeline.
The heat energy such as the high-temperature gas that the high-temperature gas that heat sink solar energy, underground heat, combustible combustion produce, exhaust gases of internal combustion engines, factory discharge, directly or by pipeline transferring heat to heat conduction device, are provided with the heat-conducting medium of flowing in pipeline; The distribution of heat conduction device interlacing contact or parallel contact distribute or coated contact is distributed on gasification installation; Acting mechanism is made up of cylinder, piston, piston ring, connecting rod, bent axle etc.; Gasification installation is arranged on the top dead center of cylinder, the top dead center of cylinder is provided with outlet valve, outlet valve association transmission shaft, during the lower dead center of piston arrives cylinder, transmission shaft rotates a circle and promotes exhaust valve opening closedown once, the working medium of gasification is discharged by outlet valve, and the gaseous working medium of discharge connects cooling unit by pipeline, and cooling unit makes the working medium of gasification liquefy; Circulation means is made up of pipeline, liquid container and pressure pump, make working medium gasification installation, acting mechanism, between cooling unit and circulation means with liquid refrigerant and gaseous state working medium circulation, transmission device comprises transmission shaft and bearing, acting mechanism connection for transmission device output kinetic energy.
The method of above-mentioned thermal power machine acting is as follows:
1) heating steps refers to heat sink external heat source, and heat energy is heated to gasification reactor working medium by heat-conducting plate the process of gasification temperature when doing work required pressure, and during cylinder pressure height, required gasification temperature is high, and when cylinder pressure is low, required gasification temperature is low;
2) fluid injection step refers to the process by pressure pump, uniform liquid being injected by liquid pressing gasification reactor to atomizer;
3) gasification step refers to that the atomization liquid working substance of gasification reactor is heated the process of transient evaporation;
4) step of doing work refers to that liquid working substance is subject to thermal evaporation rear expansion to promote piston arrives lower dead center process from top dead center;
5) open outlet valve when steps of exhausting refers to piston arrives lower dead center, gas working medium is discharged by outlet valve, by flywheel inertia piston is shifted onto top dead center and closes the process of outlet valve;
6) cooling step refers to the process that the high-temperature gas of discharging from outlet valve is liquefied by cold doubtful device;
7) by above 1 to 6 step cycle work, by transmission device, kinetic energy is exported.
Advantage of the present invention is: 1. working medium circulation uses, pollution-free; 2. thermal energy conversion efficiency 65%-98%; 3. when producing, machine cylinder capacity or quantity adjustment output power can be adjusted according to power demand; 4. reach most in power range can adjust fluid injection adjustment output power; 5. this equipment carries out gasification acting to working medium, and whole process does not produce pinking; 6. machine construction is simple; 7. maximum different of this equipment and existing internal-combustion engine are, continuous burning or solar thermal energy etc. in the firing chamber of heat energy outside cylinder, pass to working medium by heat-conducting plate, working medium does not participate in burning directly, does not also change.The fuel then chugging in firing chamber of internal-combustion engine, working medium is exactly fuel, (i.e. liquid working substance heating converted gas working medium of the present invention that each work cycle is changed, gas working medium liquefaction converts liquid working substance to), conventional energy resource consumption can be substituted, high financial profit, energy-conserving and environment-protective, noise is little.
Accompanying drawing explanation
Fig. 1 is principle of the invention block diagram;
Fig. 2 is structural representation of the present invention;
Fig. 3 is power cycle schematic diagram of the present invention;
Fig. 4 is gasification installation structural drawing of the present invention;
In figure: 1 is heat absorber; 2 is gasification heat-conducting plate; 3 is thermal insulation layer; 4 is cylinder cap; 5 is pressure pump; 6 is atomizer; 7 is outlet valve; 8 is gasification reactor; 9 is cylinder; 10 is piston; 11 is piston ring; 12 is connecting pin; 13 is connecting rod; 14 is bent axle; 15 is bearing; 16 is casing; 17 is cold doubtful device; 18 is transmission shaft; 19 is liquid container; 20 is pipeline; 21 is pressure vessel; 22 is pore; 101 is heat absorber; 102 is heat conduction device; 103 is gasification installation; 104 is acting mechanism; 105 is transmission device; 106 is cooling unit; 107 is circulation means; 201 is heating steps; 202 is fluid injection step; 203 is gasification step; 204 is acting step; 205 is steps of exhausting; 206 is cooling step.
Embodiment
With reference to accompanying drawing 1-3, embodiments of the present invention are:
A kind of thermal power machine, by heat absorber 1, gasification heat-conducting plate 2, thermal insulation layer 3, cylinder cap 4, pressure pump 5, atomizer 6, outlet valve 7, gasification reactor 8, cylinder 9, piston 10, piston ring 11, connecting pin 12, connecting rod 13, bent axle 14, bearing 15, casing 16, cold doubtful device 17, transmission shaft 18, liquid container 19 and pipeline 20 form, piston 10 is provided with in cylinder 9, piston 10 is provided with piston ring 11, piston 10 connects connecting rod 13 by connecting pin 12, connecting rod 13 connects bent axle 14, bent axle 14 is provided with bearing 15, bearing 15 is fixed on transmission shaft 18, transmission shaft 18 is fixed on casing 16 by bearing, transmission shaft 18 one end is provided with pressure pump 5, pressure pump 5 one end connects atomizer 6 by pipeline 20, and the other end connects liquid container 19 by pipeline 20, and the pipeline 20 connecting liquid container 19 extends to liquid container 19 bottom, the casing wall vacuum of cylinder 9, cylinder 9 skin is provided with thermal insulation layer 3, cylinder 9 top dead center is provided with gasification reactor 8, is fixed by cylinder cap 4, gasification reactor 8 connects heat absorber 1 by pipeline 20, and cylinder 9 top dead center sidewall is provided with outlet valve 7, and outlet valve 7 connects cold doubtful device 17 one end by pipeline 20, and cold doubtful device 17 the other end connects liquid container 19 by pipeline 20, heat absorber 1 one end connects gasification heat-conducting plate 2 one end, and the other end connects gasification heat-conducting plate 2 the other end, gasification reactor 8 comprises pressure vessel 21, gasification heat-conducting plate 2 and pore 22, gasification heat-conducting plate 2 is arranged on pressure vessel 21, and on gasification heat-conducting plate 2, array is provided with pore 22, and pressure vessel 21 inlet end is provided with atomizer 6, and atomizer 6 is arranged on gasification reactor 8 top layer.
Claims (7)
1. a thermal power machine, comprise heat absorber, heat conduction device, gasification installation, acting mechanism, cooling unit, transmission device and circulation means, heat absorber connects heat conduction device by pipeline, and heat conduction device is arranged on gasification installation, and gasification installation connects acting mechanism, acting mechanism connects cooling unit and transmission device, cooling unit connects circulation means, and circulation means connects gasification installation, transmission device association circulation means, often complete and once circulate, circulation means open and close once; It is characterized in that: described heat conduction device comprises and is arranged on gasification heat-conducting plate on gasification reactor and is arranged on the outer field thermal insulation layer of cylinder; Described gasification installation comprises pressure vessel, gasification heat-conducting plate, pore, atomizer, and gasification heat-conducting plate is arranged on pressure vessel, and on gasification heat-conducting plate, array is provided with pore, and pressure vessel inlet end is provided with atomizer; Described circulation means comprises by pipeline and the tank connected pressure valve of liquid storage, the atomizer be connected with pressure valve by pipeline.
2. thermal power machine as claimed in claim 1, is characterized in that: the heat energy of the high-temperature gas that the high-temperature gas that described heat absorber can absorb solar energy, underground heat, combustible combustion produce, exhaust gases of internal combustion engines, factory discharge.
3. thermal power machine as claimed in claim 1, is characterized in that: described acting mechanism comprises cylinder and is located at inner piston, is arranged on the piston ring on piston, the connecting rod be connected with piston, the bent axle be connected with connecting rod, is located at the bearing in bent axle.
4. thermal power machine as claimed in claim 1, it is characterized in that: described cooling unit comprises the outlet valve be arranged on cylinder, the cold doubtful device be connected with outlet valve by pipeline, by the liquid container that pipeline is connected with cold doubtful device, outlet valve association transmission shaft, often completes the open and close of a circulating exhaust valve once.
5. thermal power machine as claimed in claim 1, is characterized in that: described transmission device comprises the bearing that casing is arranged, is located at the bearing in bent axle, be fixed on the transmission shaft on bearing.
6. as claim 1-5 thermal power machine as described in one of them, by heat absorber (1), gasification heat-conducting plate (2), thermal insulation layer (3), cylinder cap (4), pressure valve (5), atomizer (6), outlet valve (7), gasification reactor (8), cylinder (9), piston (10), piston ring (11), connecting pin (12), connecting rod (13), bent axle (14), bearing (15), casing (16), cold doubtful device (17), transmission shaft (18), liquid container (19) and pipeline (20) composition, piston (10) is provided with in cylinder (9), piston (10) is provided with piston ring (11), piston (10) connects connecting rod (13) by connecting pin (12), connecting rod (13) connects bent axle (14), bent axle (14) is provided with bearing (15), bearing (15) is fixed on transmission shaft (18), transmission shaft (18) is fixed on casing (16) by bearing, transmission shaft (18) one end is provided with pressure valve (5), pressure valve (5) one end connects atomizer (6) by pipeline (20), and the other end connects liquid container (19) by pipeline (20), and the pipeline (20) connecting liquid container (19) extends to liquid container (19) bottom, the casing wall vacuum of cylinder (9), cylinder (9) skin is provided with thermal insulation layer (3), cylinder (9) top dead center is provided with gasification reactor (8), is fixed by cylinder cap (4), gasification reactor (8) connects heat absorber (1) by pipeline (20), cylinder (9) top dead center sidewall is provided with outlet valve (7), outlet valve (7) connects cold doubtful device (17) one end by pipeline (20), and cold doubtful device (17) the other end connects liquid container (19) by pipeline (20), heat absorber (1) one end connects gasification heat-conducting plate (2) one end, and the other end connects gasification heat-conducting plate (2) the other end, gasification reactor (8) comprises pressure vessel (21), gasification heat-conducting plate (2) and pore (22), gasification heat-conducting plate (2) is arranged on pressure vessel (21), and the upper array of gasification heat-conducting plate (2) is provided with pore (22), and pressure vessel (21) inlet end is provided with atomizer (6), and atomizer (6) is arranged on gasification reactor (8) top layer.
7. the method for thermal power machine acting as claimed in claim 6, it is characterized in that: comprise the steps: 1) heating steps refers to heat sink external heat source, heat energy is heated to gasification reactor working medium by heat-conducting plate the process of gasification temperature when doing work required pressure, during cylinder pressure height, required gasification temperature is high, and when cylinder pressure is low, required gasification temperature is low; 2) fluid injection step refers to the process by pressure valve, uniform liquid being injected by liquid pressing gasification reactor to atomizer; 3) gasification step refers to that the atomization liquid working substance of gasification reactor is heated the process of transient evaporation; 4) step of doing work refers to that liquid working substance is subject to thermal evaporation rear expansion to promote piston arrives lower dead center process from top dead center; 5) open outlet valve when steps of exhausting refers to piston arrives lower dead center, gas working medium is discharged by outlet valve, by flywheel inertia piston is shifted onto top dead center and closes the process of outlet valve; 6) cooling step refers to the process that the high-temperature gas of discharging from outlet valve is liquefied by cold doubtful device; 7) by above 1) to 6) step cycle work, by transmission device, kinetic energy is exported.
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| CN201410177416.0A CN103912406B (en) | 2014-04-30 | 2014-04-30 | A kind of thermal power machine and work method thereof |
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| CN201410177416.0A CN103912406B (en) | 2014-04-30 | 2014-04-30 | A kind of thermal power machine and work method thereof |
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| CN103912406A CN103912406A (en) | 2014-07-09 |
| CN103912406B true CN103912406B (en) | 2016-01-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4462212A (en) * | 1981-12-30 | 1984-07-31 | Knoeoes Stellan | Unitary heat engine/heat pump system |
| CN2410425Y (en) * | 2000-03-16 | 2000-12-13 | 常绪芝 | Steam motor for car |
| CN101021187A (en) * | 2007-03-26 | 2007-08-22 | 韩培洲 | Intercooling isobaric heat absorption hot-air engine |
| CN201407075Y (en) * | 2009-05-20 | 2010-02-17 | 陈尊山 | Carbon dioxide power take-off device with mixed heat source of solar energy and fuel energy |
| CN102536367A (en) * | 2010-12-29 | 2012-07-04 | 中国科学院工程热物理研究所 | Waste heat power generation method of Stirling engine |
| CN103256189A (en) * | 2012-12-25 | 2013-08-21 | 李启山 | Electricity generating principle by using solar energy or terrestrial heat for vaporizing low-boiling-point liquid |
| CN203892057U (en) * | 2014-04-30 | 2014-10-22 | 郭远军 | Thermodynamic machine |
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Application publication date: 20140709 Assignee: YUANJUN HEAT ENERGY POWER TECHNOLOGY CO.,LTD. Assignor: Guo Yuanjun Contract record no.: X2023980049281 Denomination of invention: A thermal power machine and its power generation method Granted publication date: 20160106 License type: Common License Record date: 20231204 |