CN201635781U - Liquid nitrogen engine device - Google Patents
Liquid nitrogen engine device Download PDFInfo
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- CN201635781U CN201635781U CN2010201292606U CN201020129260U CN201635781U CN 201635781 U CN201635781 U CN 201635781U CN 2010201292606 U CN2010201292606 U CN 2010201292606U CN 201020129260 U CN201020129260 U CN 201020129260U CN 201635781 U CN201635781 U CN 201635781U
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Abstract
The utility model relates to a liquid nitrogen engine device. An open Rankine cycle using liquid nitrogen as fuels and a close Brayton cycle are used for generating power by combined cycle operation so that the novel engine can achieve the purpose of not completely using the traditional internal-combustion engine and gasoline or diesel and not discharging waste gas resulting in environmental pollution.
Description
Technical field
The utility model is about a kind of liquid nitrogen engine apparatus, especially in regard to a kind of liquid nitrogen engine apparatus that utilizes open Rankine cycle (Open Rankine Cycle) that liquid nitrogen acts as a fuel and the acting of a Closed Brayton Power Cycle (Close Brayton Cycle) combined cycle to produce power.
Background technique
Along with oil source reducing and the notion of energy saving inspires and the earth faces the problem that warms up day by day and impels human consciousness to environmental protection to improve; therefore fuel-efficiently subtract the exploitation of waste gas automobile to become a kind of trend; yet take a broad view of the technology of present car engine; no matter be traditional combustion engine (diesel oil, gasoline, rock gas) or other new techniques such as electric vehicle, all kinds of problems that oily electric mixed engine automobile or Hydrogen Fuel-cell Vehicles etc. all exist it can't overcome at present.
The power consumption of traditional internal-combustion engine is big, and the energy of per unit fuel approximately has only 30% power that really is used for propelling vehicle, and other about 70% are all wasted and can't use with the heat radiation and the exhaust of cylinder.Simultaneously, the waste gas of automobile discharge has formed and has accounted for 20% of each urban pollution resource greatly.
Three conceptual phases have been experienced in the development of electric vehicle engineering, for the first time in 1834, for the second time in 1918 but all because of a variety of causes sustainable development of failing.Be to begin for the third time from the nineties, this time be the mankind be alerted to petroleum-based energy after long-term exploitation, day by day lack with and the unstability of price, countries in the world are taked more clear and definite measure and countermeasure one after another on energy conservation, simultaneously people formulate the Compulsory vehicle emission standard one after another to the attention with atmosphere environment of warming up of weather.The draft that propose in December, 2009 in the global climate transition meeting that hold in Copenhagen requires developed countries to adopt the promise with law binding force, decrement 25% to 45% when the total discharge volume of greenhouse gases is than nineteen ninety when the year two thousand twenty.Therefore the research of electric motor car is much accounted of once more, in recent ten years, the U.S., Europe, Japan and other countries and some full-sized car companies in the on investment of this ripple above 10,000,000,000 dollars, and also increase with the speed more than 1,000,000,000 dollars every year, electric motor car approximately can be divided into several types from the kind of battery, wherein mainly be accumulator car and fuel cell car, can be divided into pure electronic and oily electric hybrid vehicle from using.Because the battery quality of electric motor car is bigger, accounts for about 1/4th of total car quality, has strengthened the weight of automobile virtually and caused the waste of power.Simultaneously; if using, a large amount of automobiles contain heavy metal battery (for example lithium cell) in a large number; because battery working life must be eliminated in 2～3 years greatly and be changed, not only the obtaining the source and can form problem of lithium in the future also will form immense pressure to environmental protection to these discarded in a large number Battery disposals.And also there are the potential risk of burning and blast in general lithium ion or Ni-MH battery.Though the charging rate of lithium cell with its duration of charge of lifting of technology gradually for shortening, at the soonest must 30 minutes, major part then must time a whole night.Still there is restriction to a certain degree in the endurance of electric motor car, and its continuation of the journey mileage is about 1/5th of internal-combustion engines vehicle, and general internal-combustion engines vehicle continual mileage is more than the 600km, and electric motor car is if desiring to reach continual mileage is 600km, and its battery quality will reach 1610kg.Though oil electric hybrid vehicle improve greatly above-mentioned electric motor car on continual mileage shortcoming and reduced the automobile emission amount, but because it still uses a large amount of battery pack, not only the vehicle weight problem still can't be avoided, and in the future eliminates the expensive and environmental issue of changing battery and still exist.
Because above-mentioned various shortcomings, therefore developing a kind of green that not only can reach energy saving but also can lower the discharge amount of exhaust gas two-fold advantage can just show important unusually in engine.Once there was advanced technology to attempt utilizing high-pressure air to promote air motor abroad to replace internal combustion engine, perhaps there is advanced technology to be used as the open Rankine cycle of fuel with liquid nitrogen, make the ultralow temperature liquid nitrogen produce high pressure nitrogen and promote air motor to replace internal combustion engine etc. by the vaporizer direct gasification, but all owing to a variety of causes such as reaching research direction is gone up in design, the specific energy that these alternative fuel engines are produced all lower (about 200～250KJ/kg) and the liquid nitrogen air consumption also bigger and uneconomical, no matter all restrictions and can't be satisfactory to some extent on the speed of a motor vehicle or endurance.
This novel liquid nitrogen engine produces power owing to utilize the open Rankine cycle (Open Rankine Cycle) of liquid nitrogen to do work with Closed Brayton Power Cycle (the Close Brayton Cycle) combined cycle of another special gas working medium simultaneously, the novel liquid nitrogen engine of this kind Wan full Bing abandons traditional combustion engine, need not use gasoline or diesel oil, therefore discharging waste gas and because the employed energy is liquid nitrogen not fully can reach zero environmental requirement of polluting really.Calculating as can be known according to the utility model research, the producible specific energy of this liquid nitrogen engine is approximately 540KJ/kg, promote the specific energy (about 200～250KJ/kg) of prior art greatly, if with the power that produces 15KW is consideration, the air consumption of nitrogen is approximately 100kg/Hr, amount to expense about New Taiwan Currency 400/Hr, it is cheap to take New Taiwan Currency 450/Hr than the internal-combustion engines vehicle average fuel economy.And since the operation under low-temperature condition fully of this liquid nitrogen engine, the process of no high temperature, not only weight of equipment is light, and is also lower to the requirement of equipment and materials, and relative cost is just lower.The discharging nitrogen of low temperature also can be used to regard the refrigerant of car air conditioner to save air-conditioning institute energy requirement simultaneously.
Summary of the invention
Thus, the purpose of this utility model is to provide a kind of liquid nitrogen engine apparatus, and it can provide one to utilize liquid nitrogen to be used as the new engine of fuel.
For achieving the above object, the utility model discloses a kind of liquid nitrogen engine apparatus, it is characterized in that comprising:
At least one Closed Brayton Power Cycle, this Closed Brayton Power Cycle comprises:
At least a working medium;
At least one working medium carries out the turbo-expander that adiabatic expansion becomes the low-pressure low-temperature state;
At least one working medium carries out the turbocompressor that adiabatic compression becomes the high pressure-temperature state;
At least one atmospheric temperature of utilizing heats this working medium to the air heater near atmospheric temperature, and this air heater comprises at least one heater fan;
At least one in order to reclaim the vapor economizer of the working medium heat that disengages from this turbo-expander;
At least one low temperature of liquid nitrogen that utilizes is cooled to-188 ℃ liquid nitrogen vaporization device approximately with working medium;
At least one pipe-line system that this turbo-expander, this turbocompressor, this air heater, this vapor economizer and this liquid nitrogen vaporization device is connected into a closed circulation system.
Wherein, more comprise the Rankine cycle of at least one open type liquid nitrogen, this open type liquid nitrogen Rankine cycle comprises:
At least one liquid nitrogen storage tank that is used for storing high-pressure liquid nitrogen, this liquid nitrogen storage tank connect one liquid nitrogen are delivered to the pipeline that is disposed to behind this a liquid nitrogen vaporization device and the air-conditioning cooler in the atmosphere;
At least one with nitrogen temperature near the nitrogen heater of atmospheric temperature, this nitrogen heater comprises at least one heater fan;
The function of at least one generation is directly supplied the nitrogen turbine decompressor of the required power of this turbocompressor, and the turbocompressor in this nitrogen turbine decompressor and the aforementioned brayton cycle is installed on the same axle;
At least one nitrogen muffler.
Wherein, at least one air-conditioning cooler that utilizes the discharging nitrogen of low temperature with the circulating air cooling of automobile bodies, this air-conditioning cooler connects a pipeline via a blower and carries the car air conditioner air in order to circulation.
Wherein, at least onely be used for receiving signal that transmits from operational order and each position of engine of driver and then the central control unit of regulating and control the runnability of this liquid nitrogen engine.
Wherein, at least one generator that produces electric power that drives by this turbo-expander.
Wherein, at least one by the storage battery of a rectifier in order to the electric power that stores this generator and send.
Wherein, at least one speed changer, this speed changer is connected driver with propelling vehicle in order to link one in order to the power that this turbo-expander is produced with vehicle wheel shaft.
Wherein, this pipe-line system more comprises a plurality of control valves in order to regulate this working medium flow.
Pass through said structure, liquid nitrogen engine apparatus of the present utility model produces power owing to utilize the low-temperature characteristics (196 ℃) of liquid nitrogen to do work with Closed Brayton Power Cycle (the Close Brayton Cycle) combined cycle of another special gas simultaneously in open Rankine cycle (Open Rankine Cycle), this kind liquid nitrogen engine Wan full Bing abandons traditional combustion engine, do not use gasoline or diesel oil fully, therefore discharging waste gas not fully, and, can reach zero environmental requirement of polluting really because the employed energy is liquid nitrogen.This particular job medium utilizes atmospheric temperature (25～30 ℃) directly to be heated to middle high-temperature then through the adiabatic compression process in closed circulation system and utilizes thermodynamic principle adiabatic expansion generation power in expansion turbine at last.Liquid nitrogen cools off the working medium in the Closed Brayton Power Cycle earlier and gasifies in cyclic process, and then utilize atmospheric temperature be heated to normal temperature enter in the lump then one with brayton cycle in the expand acting and drive this compressor of the coaxial turbo machine of compressor, therefore, specific energy is also higher.Simultaneously, the discharging nitrogen of low temperature also can be used as the refrigerant of car air conditioner with saving air-conditioning institute energy requirement, and because finally discharged just nitrogen does not produce automobile exhaust gas, is zero pollution fully.
For ease of explanation this case represented central idea in above-mentioned author content one hurdle, express with specific embodiment now.Various different objects are described in the ratio that is suitable for illustrating, size, amount of deformation or displacement amount among the embodiment, but not are drawn in the ratio of actual components, close chat earlier bright.And in the following description, similar elements is to represent with identical numbering.
Description of drawings
Fig. 1 the utility model liquid nitrogen automotive engine system flow chart.
Fig. 2 the utility model liquid nitrogen automotive engine system configuration schematic diagram.
Embodiment
See also Fig. 1 and Fig. 2, liquid nitrogen engine apparatus of the present utility model comprises:
At least one Closed Brayton Power Cycle, this Closed Brayton Power Cycle comprises:
At least a working medium 26;
At least one turbo-expander 1, working medium 26 carry out adiabatic expansion in this turbo-expander 1 and become the low-pressure low-temperature state;
At least one turbocompressor 4, working medium 26 are carried out adiabatic compression in this turbocompressor 4 and are become the high pressure-temperature state;
At least one air heater 6, this air heater 6 comprises at least one heater fan 28, and this air heater 6 utilizes atmospheric temperature to heat this working medium extremely near atmospheric temperature;
At least one vapor economizer 5 is in order to reclaim the heat of the working medium 26 that disengages from this turbine expansion 1 machine;
At least one liquid nitrogen vaporization device 3 utilizes the low temperature of liquid nitrogen that working medium is cooled to-188 ℃ approximately;
At least one pipe-line system 27, this pipe-line system 27 more comprises at least two control valves 60,70 in order to regulate the flow of this working medium 26, and this pipe-line system 27 connects into a closed circulation system with this turbo-expander 1, this turbocompressor 4, this air heater 6, this vapor economizer 5 with this liquid nitrogen vaporization device 3;
The Rankine cycle of at least one open type liquid nitrogen, this open liquid nitrogen Rankine cycle comprises:
At least one liquid nitrogen storage tank 9 is used for storing liquid nitrogen, and liquid nitrogen is delivered to this liquid nitrogen vaporization device 3 to this liquid nitrogen storage tank 9 connections one pipeline 271 and an air-conditioning cooler 12 is disposed in the atmosphere then;
At least one nitrogen heater 11, this nitrogen heater 11 comprises at least one heater fan 21, and low temperature nitrogen is warming up near atmospheric temperature in this nitrogen heater 11;
At least one nitrogen turbine decompressor 2, the turbocompressor 4 in this nitrogen turbine decompressor 2 and the aforementioned brayton cycle are installed on the same axle, and the merit part that this nitrogen turbine decompressor 2 is produced is used for directly driving this turbocompressor 4;
At least one nitrogen muffler 13;
At least one air-conditioning cooler 12, this air-conditioning cooler 12 connect a pipeline 272 via a blower 15 and carry the car air conditioner air in order to circulation, utilize the circulating air cooling of the discharging nitrogen of low temperature with automobile bodies 16;
At least one central control unit 20, this central control unit 20 are used for receiving signal that transmits from operational order and each position of engine of driver and then the runnability of regulating and control this liquid nitrogen engine;
At least one generator 17, this generator 17 are driven by this turbo-expander 1 and produce electric power; And
At least one storage battery 19, this storage battery 19 by a rectifier 41 in order to store the electric power that this generator 17 sends;
At least one speed changer 25, this speed changer 25 is in order to link a driver, and this driver is connected with propelling vehicle with vehicle wheel shaft in order to the power that this turbo-expander is produced.
This liquid nitrogen engine, wherein the working medium 26 of low-temp low-pressure state enters compressor 4 by pipe-line system 27 and finishes the adiabatic compression process and transfer high pressure conditions to, after flow through again vapor economizer 5 carry out isobaric heat exchange with backflow working medium and reclaim heat energy from turbo-expander 1 outlet higher temperatures, after enter the atmospheric temperature heat exchange elevated temperature that heater 6 and heater fan 28 blow, working medium 26 inflow turbo-expanders 1 are finished the adiabatic expansion process then becomes the low-temp low-pressure state, and control valve 60 is in order to enter the flow of this turbo-expander 1 according to power demand Control work medium 26.Working medium 26 gives opposite side lower temperature matter working medium 26 reclaiming heat energy thermal energy transfer by vapor economizer 5 again, and flow through the again liquid nitrogen of liquid nitrogen vaporization device 3 and ultralow temperature of working medium 26 carries out isobaric heat exchange and reaches approaching-188 ℃ low-temperature condition recirculation and return this compressor 4.Liquid nitrogen is stored in the liquid nitrogen storage tank 9 via pipeline 271 and carries, and absorbs the heat of working mediums 26 and is gasificated into low temperature nitrogen through liquid nitrogen vaporization device 3, and the back low temperature nitrogen liquid nitrogen heater 11 of flowing through again is warming up near atmospheric temperature (20 ℃).The nitrogen of back High Temperature High Pressure carries out the adiabatic expansion direct Driven Compressor 4 of doing work by this nitrogen turbine decompressor 2, nitrogen cools off the air that comes from automobile bodies 16 by air-conditioning cooler 12 again and reaches compartment 16 refrigeration, after this baffler 13 is disposed in the atmosphere.Control valve 70 is used for controlling the flow that liquid nitrogen flows into this nitrogen turbine decompressor 2 according to power demand, and blower 15 connecting tubes 272 are carried the car air conditioner air in order to circulation.Central control unit 20 and this turbo-expander 1, this nitrogen turbine decompressor 2, this compressor 4, this generator 17, this blower 15, this control valve 60, the heater fan 21 of this control valve 70 and this liquid nitrogen heater 11,28 grades interconnect, focus on from driver's operational order and from the message of each parts transmission and then regulate and control the runnability of this engine, the electric power that this generator 17 produces sees through this rectifier 41 again and is stored in this storage battery 19 in order to required electric power such as supply automobile lighting and central control units 20, and by a speed changer 25 in order to linking a driver, this driver is connected with propelling vehicle with vehicle wheel shaft in order to the power that this turbo-expander is produced.
Only the foregoing description only is illustrative principle of the present utility model and effect thereof, but not is used to limit the utility model.Any ripe personage in this skill all can be under the situation of know-why of the present utility model and spirit, and the foregoing description is made amendment and changed.Therefore claim is listed as described later for rights protection scope of the present utility model.
Claims (8)
1. liquid nitrogen engine apparatus is characterized in that comprising:
At least one Closed Brayton Power Cycle, this Closed Brayton Power Cycle comprises:
At least a working medium;
At least one working medium carries out the turbo-expander that adiabatic expansion becomes the low-pressure low-temperature state;
At least one working medium carries out the turbocompressor that adiabatic compression becomes the high pressure-temperature state;
At least one atmospheric temperature of utilizing heats this working medium to the air heater near atmospheric temperature, and this air heater comprises at least one heater fan;
At least one in order to reclaim the vapor economizer of the working medium heat that disengages from this turbo-expander;
At least one low temperature of liquid nitrogen that utilizes is cooled to-188 ℃ liquid nitrogen vaporization device approximately with working medium;
At least one pipe-line system that this turbo-expander, this turbocompressor, this air heater, this vapor economizer and this liquid nitrogen vaporization device is connected into a closed circulation system.
2. according to the described liquid nitrogen engine apparatus of claim 1, it is characterized in that, more comprise the Rankine cycle of at least one open type liquid nitrogen, this open type liquid nitrogen Rankine cycle comprises:
At least one liquid nitrogen storage tank that is used for storing high-pressure liquid nitrogen, this liquid nitrogen storage tank connect one liquid nitrogen are delivered to the pipeline that is disposed to behind this a liquid nitrogen vaporization device and the air-conditioning cooler in the atmosphere;
At least one with nitrogen temperature near the nitrogen heater of atmospheric temperature, this nitrogen heater comprises at least one heater fan;
The function of at least one generation is directly supplied the nitrogen turbine decompressor of the required power of this turbocompressor, and the turbocompressor in this nitrogen turbine decompressor and the aforementioned brayton cycle is installed on the same axle;
At least one nitrogen muffler.
3. according to the described liquid nitrogen engine apparatus of claim 1, it is characterized in that:
At least one air-conditioning cooler that utilizes the discharging nitrogen of low temperature with the circulating air cooling of automobile bodies, this air-conditioning cooler connects a pipeline via a blower and carries the car air conditioner air in order to circulation.
4. according to the described liquid nitrogen engine apparatus of claim 1, it is characterized in that: at least onely be used for receiving signal that transmits from operational order and each position of engine of driver and then the central control unit of regulating and control the runnability of this liquid nitrogen engine.
5. according to the described liquid nitrogen engine apparatus of claim 1, it is characterized in that: at least one generator that produces electric power that drives by this turbo-expander.
6. according to the described liquid nitrogen engine apparatus of claim 1, it is characterized in that: at least one by the storage battery of a rectifier in order to the electric power that stores this generator and send.
7. according to the described liquid nitrogen engine apparatus of claim 1, it is characterized in that: at least one speed changer, this speed changer is connected driver with propelling vehicle in order to link one in order to the power that this turbo-expander is produced with vehicle wheel shaft.
8. according to the described liquid nitrogen engine apparatus of claim 1, it is characterized in that: this pipe-line system more comprises a plurality of control valves in order to regulate this working medium flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201292606U CN201635781U (en) | 2010-03-12 | 2010-03-12 | Liquid nitrogen engine device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201292606U CN201635781U (en) | 2010-03-12 | 2010-03-12 | Liquid nitrogen engine device |
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| CN201635781U true CN201635781U (en) | 2010-11-17 |
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| CN2010201292606U Expired - Fee Related CN201635781U (en) | 2010-03-12 | 2010-03-12 | Liquid nitrogen engine device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383972A (en) * | 2011-01-14 | 2012-03-21 | 靳北彪 | Internal combustion liquid engine |
| CN103527274A (en) * | 2013-10-23 | 2014-01-22 | 肖波 | Cold energy liquid air (liquid nitrogen) engine system |
| CN103967545A (en) * | 2014-05-09 | 2014-08-06 | 肖凯云 | Thermal power system with nitrogen replacing water |
| CN104165071A (en) * | 2014-07-25 | 2014-11-26 | 北京航空航天大学 | Open-close coupling type thermodynamic cycle method based on liquefied air heat-to-power conversion |
| CN104806312A (en) * | 2015-03-12 | 2015-07-29 | 上海领势新能源科技有限公司 | Temperature difference-turbine combined circular nitrogen power generation system |
| CN105134319A (en) * | 2015-08-20 | 2015-12-09 | 牟大同 | Method for utilizing liquefied air for working to drive mechanical equipment and method for utilizing liquid nitrogen for working to generate electric energy |
| WO2021025639A1 (en) * | 2019-08-08 | 2021-02-11 | Ari Bayram | Power generating machine system |
| CN112855343A (en) * | 2019-11-28 | 2021-05-28 | 中国航发商用航空发动机有限责任公司 | Aviation power system, liquid nitrogen expansion assembly, aircraft and driving method thereof |
-
2010
- 2010-03-12 CN CN2010201292606U patent/CN201635781U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383972A (en) * | 2011-01-14 | 2012-03-21 | 靳北彪 | Internal combustion liquid engine |
| CN103527274A (en) * | 2013-10-23 | 2014-01-22 | 肖波 | Cold energy liquid air (liquid nitrogen) engine system |
| CN103967545A (en) * | 2014-05-09 | 2014-08-06 | 肖凯云 | Thermal power system with nitrogen replacing water |
| CN104165071A (en) * | 2014-07-25 | 2014-11-26 | 北京航空航天大学 | Open-close coupling type thermodynamic cycle method based on liquefied air heat-to-power conversion |
| CN104165071B (en) * | 2014-07-25 | 2017-01-18 | 北京航空航天大学 | Open-close coupling type thermodynamic cycle method based on liquefied air heat-to-power conversion |
| CN104806312A (en) * | 2015-03-12 | 2015-07-29 | 上海领势新能源科技有限公司 | Temperature difference-turbine combined circular nitrogen power generation system |
| CN105134319A (en) * | 2015-08-20 | 2015-12-09 | 牟大同 | Method for utilizing liquefied air for working to drive mechanical equipment and method for utilizing liquid nitrogen for working to generate electric energy |
| WO2021025639A1 (en) * | 2019-08-08 | 2021-02-11 | Ari Bayram | Power generating machine system |
| US11852044B2 (en) | 2019-08-08 | 2023-12-26 | Bayram ARI | Power generating machine system |
| CN112855343A (en) * | 2019-11-28 | 2021-05-28 | 中国航发商用航空发动机有限责任公司 | Aviation power system, liquid nitrogen expansion assembly, aircraft and driving method thereof |
| CN112855343B (en) * | 2019-11-28 | 2022-05-06 | 中国航发商用航空发动机有限责任公司 | Aviation power system, liquid nitrogen expansion assembly, aircraft and driving method thereof |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20120312 |