CN104454411A - Air energy power generation system - Google Patents

Air energy power generation system Download PDF

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Publication number
CN104454411A
CN104454411A CN201410663412.3A CN201410663412A CN104454411A CN 104454411 A CN104454411 A CN 104454411A CN 201410663412 A CN201410663412 A CN 201410663412A CN 104454411 A CN104454411 A CN 104454411A
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CN
China
Prior art keywords
air energy
heat
connects
working medium
exchanger rig
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Pending
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CN201410663412.3A
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Chinese (zh)
Inventor
廖滨
郑雪辉
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Individual
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Individual
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Priority to CN201410663412.3A priority Critical patent/CN104454411A/en
Publication of CN104454411A publication Critical patent/CN104454411A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03GSPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G7/00Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00Heat pumps
    • F25B30/02Heat pumps of the compression type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03GSPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G7/00Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
    • F03G2007/007Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using heat pumps

Abstract

The invention discloses an air energy power generation system, and relates to an energy power generation system. The air energy power generation system is an air energy power generation system formed by an air energy heat pump circulation system and a Rankine circulation low-temperature power generation system. A heat exchange device (4) is of a double-medium-passageway structure, one passageway is a cold medium passageway of the air energy heat pump circulation system, the other passageway is a working medium passageway of the Rankine circulation low-temperature power generation system, the heat exchange device (4) serves as both a condenser of the air energy heat pump circulation system and a generator of the Rankine circulation low-temperature power generation system, and the two circulation systems are connected through the heat exchange device (4). The air energy heat pump technology is organically combined with the Rankine circulation low-temperature power generation technology, the larger than 1:4 high-energy-efficiency ratio of the air energy heat pump technology is sufficiently used for converting air energy into electric energy, the electric energy is saved in the wider industrial and agricultural production and life field, and an effective way is provided for achieving energy saving and emission reduction.

Description

A kind of air energy power-generating system
Technical field
The present invention relates to a kind of energy power generation system, particularly relate to a kind of air energy power-generating system.
Background technique
Along with expanding economy, resources and environment problems becomes increasingly conspicuous." energy-saving and emission-reduction ", " air contaminant treatment " work in recent years has become the focus of national government, low-carbon environment-friendly will be the principle that must adhere to of town development, and while developing the economy, greatly developing clean energy resource and renewable energy sources, readjusting the energy structure to be the main task in China's significant period of time from now on.
Air energy heat pump is exactly utilize the energy in air to produce heat energy, the Energy Efficiency Ratio of its superelevation is subject to the favor of people, air energy heat pump technology is used widely in China now, and constantly merge mutually with wind-powered electricity generation, photovoltaic electric technology, the directions such as the Energy Efficiency Ratio that current forward is in more large-scale, higher and lower environment serviceability temperature are developed.
Air energy heat pump technology is new energy technology more advanced at present, its principle utilizes electric energy to drive gas compressor work, refrigerant is driven to carry out inverse Carnot's cycle, by vaporizer by low grade heat energies (heat in air) a large amount of in air by compressor and refrigerant, change high-grade heat energy into, its Energy Efficiency Ratio at least reaches more than 1:4, the data that can inquire about, adopting carbon dioxide to do the air energy heat pump of coolant media can at subzero-30 degree Celsius operational, the medium temperature that heat energy exports can reach more than 100 degrees Celsius, its Energy Efficiency Ratio is up to more than 1:4.5, there is significant energy-saving effect.But from the product of air energy heat pump in the market, its application area is also only limitted to the heating being applied to home dwelling or aedicula as thermal source, family or hotel hot water, carry out the fields such as the auxiliary thermal source heated as employing wind-powered electricity generation or photovoltaic electric.
Because current air energy heat pump technology and Related product just simply it can be used as thermal source to use, significantly limit application and the application area of its technology.
Low temperature exhaust heat recovery technology is that current China is just in the flourish new power-saving technology of another item, what particularly low-temperature cogeneration technology majority adopted is exactly Lang Ken circulation low-temperature generating system technology, obtains practical application in smelting, the tail gas recycle of industrial furnace, the field such as heat recovery, biomass power generation of chemical industry.Its working procedure is as follows: working medium is transported to generator by working medium pump, working medium is heat vaporized in generator, the medium steam produced enters into expansion motive power machine expansion work, decompressor is driven to rotarily drive electrical power generators, low pressure steam after acting enters condenser condensation, and then get back in working medium pump, entering next circulation.The low-temperature electricity-generating technology of Lang Ken circulation has been mature technology in China, and power station, Yangbajing, 100 kilowatts of experimental power stations of Liaoning Xiong Yue, 200 kilowatts, Huailai, Hebei experimental power station etc. as Tibet all obtain actual motion and successfully generate electricity.
Crucial factor in Lang Ken circulating generation is expansion motive power machine and working medium.
Be applicable to using expansion motive power machine to have scroll expander, single-screw expander, twin-screw expander etc., the employing twin-screw expander generating effect of relatively generally acknowledging in low-temperature electricity-generating field is at present best, in the existing production of China.Disclosed in the Hua electricity Utilities Electric Co., Ltd. of Jiangxi, product data calculate, and the conversion efficiency of thermoelectric of its " screw expansion generator " at least reaches more than 65%.
The working medium adopted in current Lang Ken low-temperature generating system has a variety of, more than 150 degrees Celsius to inorganic medium water in the low-temperature electricity-generating field of 350 degrees Celsius be conventional working medium, and ocean thermal energy conversion and compared with low temperature field as the organic working medium of employings many during 20-150 degree Celsius.Some mechanisms of China and scholar such as University Of Tianjin, Kunming University of Science and Technology, Wang Guanghui, king Hua Lang agree circulation low-temperature generating system working medium aspect and had done a lot of research, and wherein there is production in much working medium China.
Summary of the invention
The present invention proposes a kind of air energy power-generating system be made up of the air energy heat pump circulatory system and Lang Ken circulation low-temperature generating system, its objective is the high energy efficiency ratio utilizing more than air energy heat pump technology 1:4, the heat energy produced converts electric energy to through Lang Ken circulation low-temperature generating system and exports, to realize the object applying air energy heat pump technology and Lang Ken low-temperature electricity-generating technology in more wide application saving power, larger scope.
Technological scheme of the present invention is achieved through the following technical solutions:
A kind of air energy power-generating system, this system is made up of the air energy heat pump circulatory system and Lang Ken circulation low-temperature generating system two parts, and the air energy heat pump circulatory system is connected with Lang Ken circulation low-temperature generating system by heat-exchanger rig; Heat-exchanger rig adopts two medium runner structure, article one, be the coolant media runner of the air energy heat pump circulatory system, another is the working medium runner of the Lang Ken circulatory system, heat-exchanger rig is the condenser of the air energy heat pump circulatory system and the generator of the Lang Ken circulatory system, and these two circulatory systems are connected by heat-exchanger rig; The air energy heat pump circulatory system is made up of blower fan, vaporizer, compressor, heat-exchanger rig and expansion valve, coolant media; Vaporizer connects compressor, and compressor connects the entry end of the coolant media runner of heat-exchanger rig, and the outlet end of the coolant media runner of heat-exchanger rig connects expansion valve, and expansion valve connects vaporizer.
Described air energy power-generating system, Lang Ken circulation low-temperature generating system is made up of heat-exchanger rig, expansion motive power machine, regenerator, cooler, working medium pump, generator and working medium.
Described air energy power-generating system, the working medium runner exit end of heat-exchanger rig connects expansion motive power machine, expansion motive power machine connects regenerator and generator, regenerator connects cooler, cooler connects working medium pump, working medium pump connects regenerator, and regenerator connects the entry end of heat-exchanger rig working medium runner.
Described air energy power-generating system, generating and send out electric energy output end and directly connect output; Or connecting external output again through Voltagre regulator, Voltagre regulator is simultaneously as the working power of system fan, compressor and working medium pump, cooling waterpump.
Described air energy power-generating system, the constituent elements of the air energy heat pump circulatory system and Lang Ken circulation low-temperature generating system is mounted to an equipment, or two systems are installed separately, then connects through pipeline.
Its principle utilizes electric energy to drive gas compressor work by the air energy heat pump circulatory system, coolant media is driven to carry out inverse Carnot's cycle, vaporizer changes low grade heat energies (heat in air) a large amount of in air into high-grade heat energy by compressor and coolant media, again through heat-exchanger rig by high-grade thermal energy transfer to the working medium in Lang Ken circulation low-temperature generating system, working medium, by after heating evaporation, drives expansion motive power machine to rotarily drive electrical power generators.The high energy efficiency ratio that this system makes full use of more than air energy heat pump technology 1:4 realizes converting air to electric energy.
Advantage of the present invention and good effect are:
The present invention makes full use of air energy heat pump technology and these two technology of Lang Ken circulation low-temperature generating system technology, by systems technology is integrated, air energy heat pump technology and Lang Ken circulation low-temperature generating system technology are organically combined, to solve well in existing air energy heat pump technology and similar techniques product and just simply to use as thermal source, product purpose is single, the problem that Applicable scope is narrower, has greatly widened the application of air energy heat pump technology and Lang Ken circulation low-temperature generating system technology.The more important thing is that the high energy efficiency ratio taking full advantage of more than air energy heat pump technology 1:4 realizes converting air to electric energy, in more wide industrial and agricultural production and sphere of life saving power, realize energy-saving and emission-reduction and provide an effective approach.Air energy heat pump technology and the effect of Lang Ken circulation low-temperature generating system technology in renewable energy sources, clean energy resource application and energy-saving and emission-reduction, air contaminant treatment etc. can be played more fully.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention schematic diagram;
Fig. 2 is air energy power-generating system electrical wiring diagram.
Embodiment
Below in conjunction with accompanying drawing illustrated embodiment, the present invention is described further:
Shown in Fig. 1 and Fig. 2, be labeled as in figure:
1. blower fan; 2. vaporizer; 3. compressor; 4. heat-exchanger rig (condenser/generator); 5. expansion valve; 6. expansion motive power machine; 7. backheat gas; 8. cooler; 9. working medium pump; 10. generator; 11. cooling waters; 12. coolant medias; 13. working mediums; 14. Voltagre regulators; 15. output switchs.
The invention provides a kind of air energy power-generating system, its principle utilizes electric energy to drive gas compressor work by the air energy heat pump circulatory system, coolant media is driven to carry out inverse Carnot's cycle, vaporizer changes low grade heat energies (heat in air) a large amount of in air into high-grade heat energy by compressor and coolant media, then converts heat energy to electric energy application by Lang Ken circulation low-temperature generating system through heat-exchanger rig.The high energy efficiency ratio that this system takes full advantage of more than air energy heat pump 1:4 realizes converting air to electric energy.
The air energy heat pump circulatory system is formed primarily of blower fan, vaporizer, compressor, heat-exchanger rig and expansion valve, coolant media; The entry end of coolant media runner that vaporizer connects compressor, compressor connects heat-exchanger rig, the outlet end of the coolant media runner of heat-exchanger rig connect expansion valve, expansion valve connection vaporizer.
Lang Ken circulation low-temperature generating system is formed primarily of heat-exchanger rig, expansion motive power machine, regenerator, cooler, working medium pump, generator and working medium; The working medium runner exit end of heat-exchanger rig connects expansion motive power machine, expansion motive power machine connects the entry end that regenerator is connected cooler with generator, regenerator, cooler connects working medium pump, working medium pump connects regenerator, regenerator connects heat-exchanger rig working medium runner.
Heat-exchanger rig adopts two medium runner structure, article one, be the coolant media runner of the air energy heat pump circulatory system, another is the working medium runner of the Lang Ken circulatory system, heat-exchanger rig is the condenser of the air energy heat pump circulatory system and the generator of Lang Ken circulation low-temperature generating system, and these two circulatory systems are connected by heat-exchanger rig.
Generating and institute generate electricity energy can directly externally export; Also externally can export through Voltagre regulator, Voltagre regulator is simultaneously as the working power of system blower, compressor, working medium pump and cooling waterpump.
Working medium can be inorganic medium, organic media, also can be the mixture of polybasic medium.
During making and installation, the constituent elements of the air energy heat pump circulatory system and Lang Ken circulation low-temperature generating system can be mounted to an equipment, also two systems can install respectively and connect through pipeline.
Its working procedure is as follows:
First by the air energy heat pump circulatory system, electric energy is utilized to drive blower fan 1 and gas compressor 3 to work, a large amount of air is blowed to vaporizer 2 by blower fan 1, vaporizer 2 absorbs the coolant media 12 in the energy heats circulatory system in air, medium steam is become after coolant media 12 is heated, sucked by compressor 3, compression, the MEDIA FLOW of High Temperature High Pressure is become after output, at the coolant media runner through heat exchanger 4, by thermal energy transfer to the working medium 13 of Lang Ken circulation low-temperature generating system in working medium runner, coolant media 12 is lowered the temperature simultaneously, condensation is through expansion valve 5, enter vaporizer 2 again, coolant media completes once against Carnot's cycle.Gasify after being heated by the working medium heated in heat-exchanger rig 4 and reach certain pressure and temperature, expansion motive power machine 6 is driven to rotate, expansion motive power machine drive electrical generators 10 generates electricity, and the working medium 13 after decompressor acting enters next Lang Ken through working medium pump 9 again and circulates after regenerator 7 and cooler 8 are cooled water 11 cooling.
The electric energy that generator sends can directly externally export; Also can be with after blower fan 1 motor, compressor electric motor 3, working medium motor 9 and cooling water motor 11 through Voltagre regulator 14, externally export (see Fig. 2 air energy power-generating electric hookup) through output switch 15.

Claims (5)

1. an air energy power-generating system, is characterized in that: this system is made up of the air energy heat pump circulatory system and Lang Ken circulation low-temperature generating system two parts, and the air energy heat pump circulatory system is connected with Lang Ken circulation low-temperature generating system by heat-exchanger rig; Heat-exchanger rig (4) adopts two medium runner structure, article one, be the coolant media runner of the air energy heat pump circulatory system, another is the working medium runner of the Lang Ken circulatory system, heat-exchanger rig (4) is the condenser of the air energy heat pump circulatory system and the generator of the Lang Ken circulatory system, and these two circulatory systems are connected by heat-exchanger rig (4); The air energy heat pump circulatory system is made up of blower fan (1), vaporizer (2), compressor (3), heat-exchanger rig (4) and expansion valve (5), coolant media (12); Vaporizer (2) connects compressor (3), and compressor (3) connects the entry end of the coolant media runner of heat-exchanger rig (4), and the outlet end of the coolant media runner of heat-exchanger rig (4) connects expansion valve (5), and expansion valve (5) connects vaporizer (2).
2. air energy power-generating system according to claim 1, is characterized in that: Lang Ken circulation low-temperature generating system is made up of heat-exchanger rig (4), expansion motive power machine (6), regenerator (7), cooler (8), working medium pump (9), generator (10) and working medium (13).
3. air energy power-generating system according to claim 2, it is characterized in that: the working medium runner exit end of heat-exchanger rig (4) connects expansion motive power machine (6), expansion motive power machine (6) connects regenerator (7) and generator (10), regenerator (7) connects cooler (8), cooler (8) connects working medium pump (9), working medium pump (9) connects regenerator (7), and regenerator (7) connects the entry end of heat-exchanger rig (4) working medium runner.
4. air energy power-generating system according to claim 1, is characterized in that: generating and send out electric energy output end and directly connect output; Or connecting external output again through Voltagre regulator, Voltagre regulator is simultaneously as the working power of system fan, compressor and working medium pump, cooling waterpump.
5. air energy power-generating system according to claim 1, is characterized in that: the constituent elements of the air energy heat pump circulatory system and Lang Ken circulation low-temperature generating system is mounted to an equipment, or two systems are installed separately, then connects through pipeline.
CN201410663412.3A 2014-11-20 2014-11-20 Air energy power generation system Pending CN104454411A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105841394A (en) * 2016-03-22 2016-08-10 顾皖平 Double-closed-circuit circulating air energy utilization system
CN105865080A (en) * 2016-05-24 2016-08-17 浙江大学 Low-grade heat energy converter for thermo-acoustic drive
CN109882131A (en) * 2019-03-15 2019-06-14 烟台杰瑞石油装备技术有限公司 A kind of recuperation of heat liquid nitrogen vaporization system suitable for oil gas field

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2651888A1 (en) * 1976-11-13 1978-05-18 Linde Ag Steam turbine waste heat recovery circuit - has part of heat exchange medium passed through condenser driven by turbine
CN200978686Y (en) * 2006-09-05 2007-11-21 袁欢乐 Power machine
CN102192044A (en) * 2011-03-25 2011-09-21 罗良宜 Low-temperature air source heat pump generating device
CN102191952A (en) * 2011-03-24 2011-09-21 罗良宜 Air source generating device
CN204327218U (en) * 2014-11-20 2015-05-13 廖滨 A kind of air energy power-generating system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2651888A1 (en) * 1976-11-13 1978-05-18 Linde Ag Steam turbine waste heat recovery circuit - has part of heat exchange medium passed through condenser driven by turbine
CN200978686Y (en) * 2006-09-05 2007-11-21 袁欢乐 Power machine
CN102191952A (en) * 2011-03-24 2011-09-21 罗良宜 Air source generating device
CN102192044A (en) * 2011-03-25 2011-09-21 罗良宜 Low-temperature air source heat pump generating device
CN204327218U (en) * 2014-11-20 2015-05-13 廖滨 A kind of air energy power-generating system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105841394A (en) * 2016-03-22 2016-08-10 顾皖平 Double-closed-circuit circulating air energy utilization system
CN105865080A (en) * 2016-05-24 2016-08-17 浙江大学 Low-grade heat energy converter for thermo-acoustic drive
CN105865080B (en) * 2016-05-24 2019-04-02 浙江大学 The low grade heat energy converter of Thermoacoustic engine
CN109882131A (en) * 2019-03-15 2019-06-14 烟台杰瑞石油装备技术有限公司 A kind of recuperation of heat liquid nitrogen vaporization system suitable for oil gas field

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