CN105927490A - Distributed type high-pressure air energy conveying system - Google Patents
Distributed type high-pressure air energy conveying system Download PDFInfo
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- CN105927490A CN105927490A CN201610485141.6A CN201610485141A CN105927490A CN 105927490 A CN105927490 A CN 105927490A CN 201610485141 A CN201610485141 A CN 201610485141A CN 105927490 A CN105927490 A CN 105927490A
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- air
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- delivery pipe
- pressure air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses a distributed type high-pressure air energy conveying system. The system comprises a plurality of air compression stations, an air conveying pipeline and a high-pressure air expander, wherein the air compression stations are used for pressurizing cold air and/or cloud mist of a high-altitude region, then converting cold air and/or cloud mist into high-pressure air and introducing the high-pressure air into an air conveying pipeline; the air conveying pipeline is connected to a high-altitude region and a low-altitude region and is used for receiving the high-pressure air introduced by each air compression station and transmitting the high-pressure air to the low-altitude region by using the self potential energy of the high-pressure air; the high-pressure air expander is communicated with the air conveying pipeline and is used for acting by using the high-pressure air output by the air conveying pipeline so as to convert the self potential energy of the high-pressure air into electric energy and output the electric energy. Through the distributed type high-pressure air energy conveying system, the utilization of the cold air and the cloud mist in the nature is achieved; the energy consumption is reduced; the earth ecological environment is improved; a transregional high-pressure air conveying network supplies technical support for storing the natural power of the earth; an effective method for dealing with global air pollution and climatic deterioration is provided; the system is of great significance.
Description
Technical field
The present invention relates to distributed energy resource system field, especially, relate to the distributed pressure-air energy conveying of a kind of cross-region
System.
Background technology
At present, the distance Pipeline transport engineering of multinomial water and natural gas and oil, the such as south water to north, western gas east have been built
Defeated, Middle East petroleum pipeline etc., but the pressure-air transport net of cross-region also has many technical barriers not yet to capture.From engineering
Thermodynamic principles consider, have the place of the temperature difference or pressure reduction can extract useful work by suitable thermodynamic cycle, on the earth also
Be no lack of the temperature difference or pressure reduction, unfortunately distance far make people be difficult to by polar region and the torrid zone to fall into as heat and thermal source is for a heat engine.People
Be used to now to use means be exactly to produce the biggest temperature difference (about with the chemical energy nearby (about 1 meter) of fuel combustion release
1000K), part useful work is extracted by heat engine (internal combustion engine and gas turbine).For remote the highest tens degree temperature
Difference, it is considered that do not have value, but the Nature but may utilize the large-scale temperature difference and pressure reduction produces typhoon and tornado,
Its energy is big, destroys the decadent force easily, and carries all before one.
Now people are it is known that the earth inherently huge complicated heat engine that do not stops of rotation, and the sun is its thermal source, ice
Cold cosmic space is that its heat falls into, and tellurian monsoon, trade wind, typhoon and tornado are all the performances of its working medium thermodynamic cycle.
Under the cooperation of favorable terrain, monsoon, the energy density of trade wind are improved, and people set up wind-driven generator in these places,
Finally from this huge complicated heat engine of the earth, a large amount of useful work has been extracted.But the big most ground dangerous at weather of wind field,
Meagrely-populated, transmission loss is huge, furthermore the peak period of wind-power electricity generation is at night, and between daytime, peak of power consumption is uncorrelated, often
Not having wind wanting electricity consumption when, when a gale is blowing, production activity major part again is stagnated, so the storage of wind-power electricity generation energy efficient to be solved
The problem deposited and discharge.
Steam is swept along by air-flow, flows to plateau, high mountain overhead, falls on highland, thus have higher potential energy after condensation, this
It is a small part for the useful work that this huge complicated heat engine of the earth is done, is stored in the potential energy of water.In order to collect nothing
Number tricklet is for hydroelectric generation, and China has erected Three Gorges Dam, extracts equally from this huge complicated heat engine of the earth
Go out a large amount of useful work.But the drop potential energy overwhelming majority of current all slatterns on a few km plateau, high mountain.Do not only have water
From plateau, high mountain pour down, often it can be seen that the cloud and mist that density increases because of cooling from plateau, high mountain inclines as cascaded
Rush down and under, this plateau, the cold air of high mountain low-temperature space and the air mass in high temperature city, cloud and mist relatively low Altitude Regions, have the highest gesture
Energy and value, but its available energy density is extremely low, it is distributed also pole and fills the air, and cold air and cloud and mist are more difficult to collect and defeated than water
Send.
CN101994573A discloses a kind of distributed type renewable gas energy generation method, by biological flue gas and wind energy, solar energy life
The compressed air produced is as source of the gas；Gas pipeline will be distributed over the source of the gas in broad area and collects storage in gas storage well, air accumulator,
Gas turbine generator generating is flowed to again by gas pipeline.Although it improves, and biological flue gas and regenerative resource are utilized condition,
In still cannot realizing large nature, the potential energy of plateau, the cold air of high mountain low-temperature space and cloud and mist utilizes, therefore how to utilize the Nature
Cold air in boundary and the potential energy of cloud and mist to reduce energy resource consumption, to improve ball ecological environment be a technical problem urgently to be resolved hurrily.
Summary of the invention
The invention provides a kind of distributed pressure-air energy induction system, the wind-powered electricity generation more than needed with solution remote districts and water power turn
Change and be transported to city and how to utilize the potential energy of the cold air in large nature and cloud and mist to reduce energy resource consumption, to improve earth life
The technical problem of state environment.
The technical solution used in the present invention is as follows:
A kind of distributed pressure-air energy induction system, including:
Air compression station, air compression station is multiple, for being converted to high pressure after the cold air of high altitude localities and/or cloud and mist supercharging
Air imports air delivery pipe；
Air delivery pipe, connects high altitude localities and low altitude area, for receiving the pressure-air that each air compression station imports
And utilize self potential energy of pressure-air that pressure-air is transferred to low altitude area；
High pressure gas expansion machine, connects with air delivery pipe, and the pressure-air utilizing air delivery pipe to export does work with by height
Self potential energy converting and energy of pressure air is electric energy output.
Further, air compression station includes air compressor and provides the power supply unit of electric energy, power supply for air compressor work
Equipment is for being converted to electric energy by wind energy, water energy or natural gas nearby, and air compressor is for the electric energy exported by power supply unit
Be converted to pressure-air enthalpy and import air delivery pipe.
Further, air compressor is multistage, and is provided with the First Heat Exchanger for deriving heat energy between multi-stage air compressor,
For carrying out heating supply to low temp area.
Further, during power supply unit includes wind-driven generator, hydroelectric generator, gas electricity generator and electrical network supply station at least
A kind of.
Further, air delivery pipe is network-like, connects to form network-like branch including main conduit and main conduit
Pipeline.
Further, the air pressure of pressure-air when importing air delivery pipe is between 80～200bar.
Further, the outfan of high pressure gas expansion machine exports electric energy to electrical network through the first electromotor, and high pressure gas expansion machine
After acting, the gas of output and exports for the second electromotor through turbine acting with the heat energy in absorption high temperature area through the second heat exchanger
Electric energy is to electrical network, and turbine also exports refrigerating capacity and cools down for city.
Further, air delivery pipe is provided with and is easy to the relief valve that pipeline is safeguarded.
Further, air delivery pipe collateral branch is provided with the molecular sieve for the air of conveying carries out classified filtering.
Further, air delivery pipe be provided with steam trap, heat exchanger and in the liquefied pot storing gas at least one
Kind.
The method have the advantages that
The present invention distributed gases at high pressure energy induction system, by utilizing air compression station by the cold air of high altitude localities and/or cloud
Be converted to pressure-air after mist supercharging and import air delivery pipe, utilize self potential energy of pressure-air by height through air delivery pipe
Pressure air is transferred to low altitude area, and the pressure-air utilizing air delivery pipe to export in low altitude area does work with by high pressure
Self potential energy converting and energy of air is electric energy output, it is achieved that cold air and the potential energy of cloud and mist in large nature utilize, and are beneficial to reduce energy
Source consumes, and improves ball ecological environment, and the gases at high pressure transport net of cross-region is storage earth nature merit (wind-powered electricity generation and water power)
Provide technical support, be reply global air pollution and the effective ways of climatic deterioration, be significant.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.Below
With reference to the accompanying drawings, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing of the part constituting the application is used for providing a further understanding of the present invention, the illustrative examples of the present invention and
Its explanation is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the preferred embodiment of the present invention distributed pressure-air energy induction system；
Fig. 2 is the structure of the distributed pressure-air energy induction system that a plurality of air delivery pipe of the preferred embodiment of the present invention is constituted
Schematic diagram.
Description of reference numerals:
1, air compression station；
11, wind-driven generator；
12, the first motor；13, the second motor；
14, centrifugal compressor；15, First Heat Exchanger；
16, high pressure compressor；
2, air delivery pipe；
3, high pressure gas expansion machine；
4, the first electromotor；
5, electrical network；
6, the second heat exchanger；
7, turbine；
8, the second electromotor.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.
Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
The preferred embodiments of the present invention provide a kind of distributed pressure-air energy induction system, with reference to Fig. 1, comprising:
Air compression station 1, air compression station 1 is multiple, for being converted to after the cold air of high altitude localities and/or cloud and mist supercharging
Pressure-air imports air delivery pipe 2；
Air delivery pipe 2, connects high altitude localities and low altitude area, for receiving the high pressure sky that each air compression station 1 imports
Gas also utilizes self potential energy of pressure-air that pressure-air is transferred to low altitude area；
High pressure gas expansion machine 3, connects with air delivery pipe 2, utilize pressure-air acting that air delivery pipe 2 exports with
It is electric energy output by self potential energy converting and energy of pressure-air.
The present embodiment imports being converted to pressure-air after the cold air of high altitude localities and/or cloud and mist supercharging by utilizing air compression station
Air delivery pipe, utilizes self potential energy of pressure-air that pressure-air is transferred to low altitude area through air delivery pipe, and
The pressure-air utilizing air delivery pipe to export in low altitude area does work with by defeated for electric energy for self potential energy converting and energy of pressure-air
Go out, it is achieved that cold air and the potential energy of cloud and mist in large nature utilize, and are beneficial to reduce energy resource consumption, improve ball ecological environment,
And the gases at high pressure transport net of cross-region provides technical support for storage earth nature merit, it is that reply global air pollution is gentle
Wait the effective ways deteriorated, be significant.
In the present embodiment, air compression station 1 includes air compressor and provides the power supply unit of electric energy for air compressor work,
Power supply unit is for being converted to electric energy by wind energy, water energy or natural gas nearby, and air compressor is for by power supply unit output
Electric energy is converted to pressure-air enthalpy and imports air delivery pipe 2.Preferably, air compressor is multistage, and multi-stage air compressor
Between be provided with the First Heat Exchanger for deriving heat energy, for carrying out heating supply to low temp area, and then improve human settlement.
With reference to Fig. 1, air compression station 1 is arranged on High aititude low temp area A, such as, plateau, high mountain region, and utilizes wind-force
Neighbouring wind energy is converted to electric energy output by electromotor 11, and an electric energy part for wind-driven generator 11 output is through the first motor 12
Centrifugal compressor 14 is driven to work, to export after the cold air on high mountain and/or cloud and mist are compressed, and the output of centrifugal compressor 14
Hold through First Heat Exchanger 15 to derive heat energy for heating supply；And the electric energy of wind-driven generator 11 output is also through the second motor
13 drive high pressure compressor 16 to work, and be converted to pressure-air enthalpy and import air delivery pipe 2 after further air being carried out supercharging,
Thus realize the Efficient Compression effect of multi-stage compression.Preferably, high pressure compressor 16 also derives heat energy use through First Heat Exchanger 15
In heating supply.
In the present embodiment, power supply unit includes in wind-driven generator, hydroelectric generator, gas electricity generator and electrical network supply station extremely
Few one.I.e. by plateau, high mountain low temp area set up air compression station, and utilize wind-driven generator, hydroelectric generator,
The available energy such as the wind energy of adnexa, water energy, natural gas are converted into electric energy and further through multi-stage compression technology by gas electricity generator
Be converted to pressure-air enthalpy enter in air delivery pipe 2, and be transferred to the low altitude area of power tense by air delivery pipe 2
Urban area discharges, so achieve the cold air in large nature and cloud and mist potential energy utilize, and facilitate the mankind production,
Household electricity demand.
Preferably, the air pressure of pressure-air when importing air delivery pipe 2 is between 80～200bar.Air delivery pipe 2
The stainless steel pipes using thousands of miles length is delivered to low altitude area high temperature city, supplies the many lives of people, Production requirement.
Owing to the pressure-air of density increase decades of times flows to low altitude area from thousands of meters of high altitude localitiess in pipeline, its potential energy be enough to
Overcoming the viscous friction loss of gas and tube wall, remaining potential energy and pressure can be enough to drive high pressure gas expansion machine 3 to generate electricity.Example
As, it is assumed that the height above sea level of high mountain region A 5050 meters, temperature on average-30 degrees Celsius, the height above sea level of urban area B is 50
Rice, temperature on average is 36 degrees Celsius, connects the length of air delivery pipe of two places and reaches 2500KM, fluid drop 5000m,
Average 150 kilograms per cubic meter of fluid density, gravity pressure reduction 73.5bar, by gas current friction resistance 1 handkerchief every meter, pitot loss 25bar,
The viscous friction loss overcoming gas with tube wall, remaining gesture is enough to less than self potential energy of fluid drop pressure head, i.e. high-pressure fluid
Pressure-air decompressor can can be driven to generate electricity with pressure.
Preferably, air delivery pipe 2 is network-like, connects to form network-like branch including main conduit and main conduit
Pipeline.By using network-like air delivery pipe 2, can expand energy conversion and region that utilization is radiated, maximization is full
Foot utilization of energy demand.
With reference to Fig. 1, in the present embodiment, the outfan of high pressure gas expansion machine 3 exports electric energy to electrical network 5 through the first electromotor 4,
And high pressure gas expansion machine 3 acting after output gas through the second heat exchanger 6 with absorb high temperature area heat energy and through turbine 7
Doing work and export electric energy to electrical network 5 for the second electromotor 8, turbine 7 also export refrigerating capacity for city cooling.
The present embodiment is by network-like air delivery pipe 2, at favourable low temp area and low temperature season through air compression station to sky
Letter shoot road 2 inputs compressed air, and derivation heat energy is for heating supply, to improve the human settlement of low temp area；Having
The high temperature area of profit and high temperature season absorb ambient heat and industrial waste heat, release air delivery pipe 2 by high pressure gas expansion machine
Compressed air, extract useful work and be used for generating electricity, and refrigerating capacity is for city air-conditioning, its layout flexibility and comprehensive benefit will be remote
It is much better than hydro-electric power project and beneficially ecological environment.And the present embodiment distributed pressure-air energy induction system is based on changing
Enter type Brayton cycle and make use of the atmospheric air circulation of nature, being beneficial to reduce energy resource consumption, improving ball ecological environment, and across
The gases at high pressure transport net of region provides technical support for storage earth nature merit, is reply global air pollution and weather evil
The effective ways changed, are significant.
Preferably, air delivery pipe 2 is provided with and is easy to the relief valve that pipeline is safeguarded.By subsection setup relief valve, it is simple to right
The follow-up maintenance of pipe-line system, reduces maintenance cost.
Preferably, air delivery pipe 2 collateral branch is provided with the molecular sieve for the air of conveying carries out classified filtering.Such as,
The air filtration carried by air delivery pipe 2 by molecular sieve extracts nitrogen to be used for industrial and agricultural production through chemical plant ammonia, carries
Take oxygen for steel-making etc..
Preferably, set up Large Air Separation Devices factory at permafrost island, filter the partial high pressure nitrogen conveying derived through air delivery pipe 2
To the Columnating type solar heating station of desert area, temperature is increased to 800 DEG C, drives high voltage power turbogenerator, makes desert too
Sun generating efficiency can reach 25%.
Preferably, air delivery pipe 2 arranges classification blood pressure lowering door station and corresponding distributed green energy resource supply system,
I.e. may utilize used heat and top pressure power generation, refrigerating capacity the separation air that liquefies can be produced again, it is achieved the energy and the comprehensive utilization of material.
Preferably, air delivery pipe 2 be provided with steam trap, heat exchanger and in the liquefied pot storing gas at least one
Kind.
Preferably, with reference to Fig. 2, the present embodiment air delivery pipe 2 can be a plurality of, the most a plurality of air delivery pipe 2 cross-region
Distribution, the distributed pressure-air energy induction system of cross-region have the following energy and material comprehensive utilization advantage:
1), remote districts, the especially wind-powered electricity generation at night, drive near air compressor on high mountain, electricity is changed into enthalpy, enters
Enter the distributed pressure-air energy transmission net that capacity is huge, store without lithium electricity, it is simple to the utilization of the energy and management；
2), gas turbine and compressor high in severe cold area working heat efficiency, can use as regulating units.Compressed air dissipates
Heat is higher than 3.5 for severe cold area and heating supply in winter, Energy Efficiency Ratio；
3) what, high-pressure gas pipeline carried loses fewer than the loss of water pipe conveying a lot (being primarily due to aerodynamic force viscosity low), height
Body of calming the anger has height " water level " equally, and loss of head is minimum, and useful work transfer efficiency is higher than remote high-voltage electrical network；
4), high temperature city obtains a large amount of electric power and power transmission loss is few (advantage of distributed green energy resource supply system), pole
The earth decreases the CO2 emission in high temperature city, and the supply system cold is to city, it is simple to improves people and occupies and ecological environment, subtracts
Few resource consumption, resources conservation, environmental friendliness；
5), residential block, various places can according to weather conditions at that time and wind-powered electricity generation have more than needed situation to pressure-air transmission net supply or venting reach
To heating or the purpose of refrigeration.
6), pressure-air transmission net can lead to chemical plant extract nitrogen ammonia for industrial and agricultural production, oxygen can be used for making steel,
Carbon dioxide and water and noble gas are the most separable out.Generally, the oxygen content in pressure-air transmission net improves, and has
Evil gas ingredients reduces.
7) compressed air, after classification blood pressure lowering for mine, factory and local-style dwelling houses, have the purposes of various convenient environment-friendly high-efficiency.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for those skilled in the art
For, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of being made, etc.
With replacement, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a distributed pressure-air energy induction system, it is characterised in that including:
Air compression station (1), described air compression station (1) is multiple, for by the cold air of high altitude localities and/or cloud and mist
Be converted to pressure-air after supercharging and import air delivery pipe (2)；
Air delivery pipe (2), connects high altitude localities and low altitude area, is used for receiving each described air compression station (1)
Import pressure-air and utilize self potential energy of described pressure-air that described pressure-air is transferred to low altitude area；
High pressure gas expansion machine (3), connects with described air delivery pipe (2), utilizes described air delivery pipe (2)
The pressure-air acting of output is to export self potential energy converting and energy of described pressure-air for electric energy.
Distributed pressure-air energy induction system the most according to claim 1, it is characterised in that
Described air compression station (1) includes air compressor and provides the power supply unit of electric energy for the work of described air compressor,
Described power supply unit is for being converted to electric energy by wind energy, water energy or natural gas nearby, and described air compressor is for by institute
The electric energy stating power supply unit output is converted to the pressure-air enthalpy described air delivery pipe of importing (2).
Distributed pressure-air energy induction system the most according to claim 2, it is characterised in that
Described air compressor is multistage, and is provided with the first heat exchange for deriving heat energy between multistage described air compressor
Device, for carrying out heating supply to low temp area.
Distributed pressure-air energy induction system the most according to claim 2, it is characterised in that
Described power supply unit includes at least in wind-driven generator, hydroelectric generator, gas electricity generator and electrical network supply station
Kind.
Distributed pressure-air energy induction system the most according to claim 1, it is characterised in that
Described air delivery pipe (2) is network-like, connects network-like to be formed including main conduit and described main conduit
Lateral.
Distributed pressure-air energy induction system the most according to claim 1, it is characterised in that
The air pressure of described pressure-air when importing described air delivery pipe (2) is between 80～200bar.
Distributed pressure-air energy induction system the most according to claim 1, it is characterised in that
The outfan of described high pressure gas expansion machine (3) exports electric energy to electrical network through the first electromotor, and described gases at high pressure
Decompressor (3) acting after output gas through the second heat exchanger with absorb high temperature area heat energy and through turbine acting for
Second electromotor output electric energy is to electrical network, and described turbine also exports refrigerating capacity and cools down for city.
8. according to the arbitrary described distributed pressure-air energy induction system of claim 1 to 7, it is characterised in that
Described air delivery pipe (2) is provided with is easy to the relief valve that pipeline is safeguarded.
9. according to the arbitrary described distributed pressure-air energy induction system of claim 1 to 7, it is characterised in that
Described air delivery pipe (2) collateral branch is provided with the molecular sieve for the air of conveying carries out classified filtering.
10. according to the arbitrary described distributed pressure-air energy induction system of claim 1 to 7, it is characterised in that
Described air delivery pipe (2) be provided with steam trap, heat exchanger and in the liquefied pot store gas at least
A kind of.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720267A (en) * | 2020-05-08 | 2020-09-29 | 沧州渤海新区元大自然能源有限公司 | Cold energy temperature difference wind power generation system |
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| CN101994573A (en) * | 2009-08-24 | 2011-03-30 | 邸慧民 | Distributed type renewable gas energy generation method |
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| US5924283A (en) * | 1992-06-25 | 1999-07-20 | Enmass, Inc. | Energy management and supply system and method |
| CN101006257A (en) * | 2003-05-30 | 2007-07-25 | 班·M·艾尼斯 | Method of storing and transporting wind generated energy using a pipeline system |
| CN101410617A (en) * | 2006-01-31 | 2009-04-15 | 本·M·埃尼斯 | Improved method of transporting and storing wind generated energy using a pipeline |
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| CN111720267A (en) * | 2020-05-08 | 2020-09-29 | 沧州渤海新区元大自然能源有限公司 | Cold energy temperature difference wind power generation system |
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| CN105927490B (en) | 2019-01-25 |
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