CN102128141A - Wind tunnel type air pressure energy storage wind power generation system - Google Patents
Wind tunnel type air pressure energy storage wind power generation system Download PDFInfo
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- CN102128141A CN102128141A CN2010100427600A CN201010042760A CN102128141A CN 102128141 A CN102128141 A CN 102128141A CN 2010100427600 A CN2010100427600 A CN 2010100427600A CN 201010042760 A CN201010042760 A CN 201010042760A CN 102128141 A CN102128141 A CN 102128141A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention relates to a uniform power generation system which compresses air and stores energy by using wind energy, in particular to a wind tunnel type air pressure energy storage wind power generation system which increases wind speed and the wind energy, compresses the air and stores large-scale energy by using a dumbbell-shaped wind tunnel. The system comprises a wind tunnel impeller device, a power transmission device, an air compressor, an air pressure energy and air storage tank and an air pressure turbine generator and is characterized in that: the wind tunnel is a dumbbell-shaped symmetrical open member; an impeller is arranged in a contraction section on the middle part of the wind tunnel; the power transmission device is formed by connecting an impeller horizontal main shaft with the air compressor through a gear and a vertical shaft; the air pressure energy and air storage tank is a high-strength pressure container; the inlet of the pressure container is connected with the air compressor, and the outlet of the pressure container is connected with the air pressure turbine generator; the generator is driven by an air pressure turbine to generate power; and the air compressor, the air pressure energy and air storage tank and the air pressure turbine generator are arranged on the ground. The system has the advantages of uniformly generating the power and utilizing the wind energy to the maximum extent, along with simple equipment, low cost and the like, is safe and reliable, and is suitable for grid-connected power generation and off-grid power generation.
Description
[affiliated technical field]
The present invention relates to a kind of even power generation system of utilizing wind energy pressurized air stored energy, especially adopting the dumbbell shaped wind-tunnel to improve wind speed increases wind energy, and pressurized air is saved the wind tunnel type energy storage of atmospheric pressure wind-power generating system of extensive energy.
[background technique]
The energy is the important foundation data of survival and development of mankind.In the last hundred years, along with improving constantly and production-scale expansion of human lives's demand, also more and more ardenter to the demand of the energy.Enter 21st century, energy crisis is restricting socio-economic activity day by day, and the fossil energy that tradition is used is deficient day by day, and price is constantly soaring, becomes the key factor that causes World Economics upheaval and influence peace.And, a large amount of uses of fossil energy, Co
2, So
2Isothermal chamber gas discharges in a large number, causes climate warming, and ecological transition jeopardize environment for human survival.
In order to solve serious day by day energy crisis, alleviate the environmental pollution of using fossil energy to bring owing to a large amount of, for a long time, countries in the world are dropped into huge fund one after another and are sought the exploitation renewable energy sources.The clean energy resource of listing the primary study exploitation at present in has water energy, wind energy, solar energy, tidal energy, biomass energy etc.
The development and use of wind energy have very long history.In recent years, wind-power electricity generation is subjected to the great attention of countries in the world government, energy circle and environmental protection circle as reproducible clean energy resource.The wind resource reserves are big on the earth, cleanliness without any pollution, and short construction period, investment is taken up an area of and is lacked flexibly, has favorable economic benefit and social benefit.
THE WIND ENERGY RESOURCES IN CHINA is abundant.According to the initial estimate of China Meterological Science Research Institute, it is 2.53 hundred million kilowatts that 10 meters height places, China land reality can be developed wind energy content, and it is 7.5 hundred million kilowatts that marine reality can be developed wind energy content, amounts to about 1,000,000,000 kilowatts, and Wind Power Utilization has a high potential.China wind energy resourceful area mainly the coastal area of grassland, Xinjiang, Inner Mongol and corridor, Gansu, Qinghai-Tibet Platean and the east in North China, northwest and northeast, the southeast and near on the island.And abundant nearly 4000 hours of the time of annual wind speed more than 3m/s of district of wind energy resources, some regional annual mean wind speeds can reach more than the 7m/s, have very big value of exploiting and utilizing.The wind-powered electricity generation project requires the annual utilization hours number to exceed 2000 hours usually, and at present the wind energy turbine set built up of China is on average utilized hours about 2300 hours, mainly is positioned at " three Norths " area (northwest, northeast and North China) and southeastern coast.The province that China's grid connected wind power construction scale is bigger is: Xinjiang, the Inner Mongol, Hebei, Guangdong, Liaoning, Zhejiang, Jiangsu, Ningxia, Gansu, Fujian etc.
The universal way of wind-power electricity generation is to adopt overhead type three blade wind-wheels at present.Wheel shaft drives generator by speed change gear.The unit generated output is commonly below the 2MW.Zui Da offshore wind generating is 5MW in the world.This wind-driven generator needs higher startup wind speed, and generating dutation is between 2000～2500 hours throughout the year, and the equipment complexity is invested greatly, wind field is required high.And the generated energy instability, generating foresight is poor, peak load regulation network is impacted big.
[summary of the invention]
The technical problem to be solved in the present invention provides and a kind ofly can realize even generating, continued power, maximally utilises wind energy, the wind tunnel type energy storage of atmospheric pressure wind-power generating system that equipment is simple, cost is low, safe and reliable.
The present invention adopts tunnel pressurized principle, make the pressurization fast in dumbbell shaped construction of wind tunnel device of nature air-flow, focused energy, behind suitable water conservancy diversion, arrive and adopt the energy impeller, the impeller horizontal axis obtains the mechanical torsion of hard intensity, by the actuating unit Driven Compressor, high pressure gas storage drives the pneumatic turbine generator for electricity generation in the energy storage of atmospheric pressure gas holder.
Content of the present invention comprises wind-tunnel impeller unit, actuating unit, air compressor, energy storage of atmospheric pressure gas holder and air pressure turbogenerator.Explanation according to the following steps:
1. wind-tunnel
Wind-tunnel is made up of hole body, flow guide device, wind pressure adjusting device, support, the steering gear, safe disaster reduction device, measuring device etc.
(1) hole body
1. wind-tunnel profile: this device profile is the tubaeform construction of wind tunnel of dumbbell shaped symmetry.Along putting ground.Wind inlet is towards the direction of the wind comes from.Wind inlet is loudspeaker stub end (entry end), and exhaust outlet is for being inverted trumpet end (outlet end).The wind-tunnel total length is about 0.25-5 times of wind inlet girth.
2. wind-tunnel segmentation: whole process is divided into entrance, stable section, contraction section, adopts energy section, wake flow section, outlet section.
Entrance is circular, square or other shape of building according to landform, and area gets according to sending out electric scale demand conversion.Length is 1/10 of overall length.Slight shrinkage;
The profile of stable section is the transition of entrance to circle.Length is 1/10 of overall length.Contraction ratio (entrance compares with the area of this section outlet) is 10: 7, and angle of throat (the outer angle of inlet face vertical line and this section on line) is 15 °.This section is installed safety guard net, frost and snow device;
The profile of contraction section is conical.Length is 3/10 of overall length.Contraction ratio is 5: 1, and angle of throat is 45 °.This section is installed pressure-reduction outlet, flow guide device;
The profile of adopting the energy section is a cylindrical shape.Length is 1/10 of overall length.This section is installed wind wheel, wheel shaft and kinetic energy output unit.
The wake flow section for and the entrance symmetry cause tubaeform cylinder, length is overall 3/10.
The profile of outlet section is a cylindrical shape.Length is 1/10 of overall length.This section is installing apparatus not.
3. material: wind tunnel device adopts reinforced concrete, steel or other materials.Can choose different materials according to the blast of different segmentations makes up.Should adopt firm, durable, economic material in principle.
(2) flow guide device: for controlling air-flow better, reduce turbulence, need to install flow guide device in the wind tunnel device.This device is made of guide plate, guiding gutter or honeycomb duct, and material is steel or other hard materials.
(3) wind pressure adjusting device: for obtaining stable wind energy better, avoid the infringement of disaster weather to system equipment, wind tunnel device need be installed wind pressure adjusting device, by changing air flue size control air flow rate.This equipment is multilayer net grid structures, is the flat-form material with certain width laterally or vertically, by regulating faying surface control throughput.
(4) support: the tower tube that the wind-tunnel support adopts reinforced concrete construction or steel structure to make
(5) the steering gear: for adapting to the wind direction that changes to some extent of wind energy turbine set better, gather wind energy to greatest extent, wind tunnel device needs the installation direction mobile device.This mobile device guarantees that wind-tunnel can section be the axle center to adopt, and wind inlet is done moving around axle of (＜90 °) by a small margin.Should under wind-tunnel, make up firm basis, mobile power plant are installed.
(6) safe disaster reduction device
Safety net: be the protective net that steel or other materials are made, be positioned at the appropriate location of wind-tunnel.Prevent that people, animal or other objects from being involved in wind-tunnel by high velocity air, injures life and impeller facility;
Decompressor: for adapting to extreme weather conditions, avoid blowing facility such as damage wind-tunnel and wind wheel down, pressure-reduction outlet need be set on wind-tunnel at hurricane.Pressure-reduction outlet is arranged on contraction section.Be concrete structure or steel structure.About 5～10 square meters of each pressure-reduction outlet size.Pressure-reduction outlet is provided with the blast automatic measuring system, and when local blast surpassed the setting value, pressure-reduction outlet can be opened automatically, and the opening degree size is regulated according to blast.
Snow defence anti-icer: be electrical heating net, be arranged on safety net rear and the blade.
Lightning arrester: be installed in the wind-tunnel top.
(7) measuring device
Comprise wind speed, blast, wind direction, temperature, humidity, level, vibration measurement device.
2. impeller
Impeller is made up of wheel shaft, wheel hub, blade, braking device etc.;
(1) wheel shaft: for wheel hub is supported part.Steel or other high strength material structures.Horizontal on the wind wheel support.Power output gear is installed;
(2) wheel hub: for impeller is supported part.Steel or other high strength material structures.Loop configuration;
(3) blade: be the inner concave shape paraboloid structure, height is a little less than the torus radius, and chord length should fully cover the rear panel impeller on axis.Blade is provided with guiding gutter along airflow direction;
(4) braking device: impeller needs braking device, so that need to stop wheel rotation at any time.The employing of impeller braking device unloads rear-wheel hub load, installs to brake on wheel shaft and stop, or equipment is braked the realization of stopping on torus.
3. actuating unit
Power output inclined-plane gear is installed on the impeller horizontal spindle, mechanical torsion is passed to the air compressor on ground by vertical shaft.Also can use modes such as universal joint, worm and gear, chain or belt transmission.
4. air compressor
For with one or more air compressor of input power coupling, can select the air compressor of piston type, screw type, axial flow or other modes for use.Require compressed capability for being up to 1.5Mpa.
5. energy storage of atmospheric pressure gas holder
(1) is one or many withstand voltage gas tank of the sealing that is interconnected, is steel, reinforced concrete, glass fibre reinforced plastics or other high strength materials.
(2) allow that the maximum pressure scope is 1.5Mpa, operating ambient temperature is-30 °～70C °, and volume can be 100～10000 cubic metres as required, satisfies zero pressurization situation and continues generating in following 10 hours.
(3) input pipeline that links to each other with air compressor is provided with Non-return air valve, and the output pipeline that links to each other with the pneumatic turbine machine is provided with solar term flow control valve door.
(4) barometer and automatic pressure-relieving mouth are installed on the energy storage of atmospheric pressure gas holder.The automatic pressure-relieving mouth is the steel ball that is placed on the specified weight of relief port, and when interior pressure was higher than setting value, steel ball was by jack-up, and gas is overflowed, and reaches the purpose of automatic decompression.
(5) the energy storage of atmospheric pressure gas holder is placed ground, also can be buried underground, perhaps be placed in support or the tower tube.
6. pneumatic turbine machine
The pneumatic turbine machine is made up of high pressure air drain, nozzle, turbine, wheel shaft, safety cover, block bearing, pressure gauge, tachometer.
The high pressure air drain is positioned at the turbo machine outer ring, for maintaining static airtight air drain moving, that be communicated with the energy storage of atmospheric pressure gas holder.The air drain inboard is provided with dozens of to hundreds of nozzles, and nozzle points to inboard turbine.When the nozzle ejection pressurized gas, turbine rotation.The rotation of coupled wheel axle driven dynamo.
[beneficial effect]
Wind tunnel type energy storage of atmospheric pressure wind-power generating system provided by the present invention has following effect:
1. the extensive energy is provided.The present invention can assemble the nature wind energy in a large number, forms high-power generating, for people's productive life provides a large amount of electric energy, alleviates energy crisis serious day by day on the present earth;
2. realize evenly generating and continued power.No matter the present invention is to be used to generate electricity by way of merging two or more grid systems, and still from the net generating, can both provide the generating that evenly continues, and has solved uncontrollable, the unsettled the biggest problem of wind-power electricity generation;
3. clean environment firendly.Wind tunnel type energy storage of atmospheric pressure wind-power generating system of the present invention is the environmental friendliness energy completely, can not bring any pollution to environment;
4. less investment.According to the wind energy power unit less investment that the present invention builds, every kilowatt of installation investment is far below existing thermoelectricity, nuclear power, water power, solar electrical energy generation and wind-powered electricity generation etc.
[description of drawings]
Fig. 1 is a general structure schematic representation of the present invention, and Fig. 2 is an energy storage of atmospheric pressure gas holder schematic representation, and Fig. 3 is a pneumatic turbine machine profile schematic representation, and Fig. 4 is a pneumatic turbine machine generalized section.
Among the figure: 1-wind-tunnel, 2-impeller, 3-gear, 4-main shaft, 5-spindle carrier; the 6-vertical shaft, 7-wind-tunnel support 8-air compressor, 9-pressurized gas pipeline, 10-Non-return air valve; 11-energy storage of atmospheric pressure gas holder, 12-pressure gauge, 13-thermometer, 14-automatic pressure-relieving mouth; 15-solar term flow control valve door, 16-pneumatic turbine machine, 17-generator, 18-high pressure air drain; the 19-nozzle, 20-turbine, 21-turbine blade, 22-wheel shaft; 23-turbine spoke, the 24-tachometer, 25-protects exhaust hood, 26-pneumatic turbine machine support.
[embodiment]
1. selection wind energy turbine set
The wind energy turbine set addressing that the present invention is desirable should be that the place is open, wind-force even, the long-term more stable zone of predominant wind direction.
2. construction wind-tunnel
(1) reinforced concrete construction.
(2) size:
400 meters of total lengths;
200 meters of entrance (square) length of sides, 20 meters of length;
Stable section (gradually circular) radius: 94 meters, 120 meters of length;
Contraction section (circle) radius: 36 meters, 200 meters of length;
Adopt energy section (circle) radius: 36 meters, 50 meters of length;
Outlet section (circle) radius: 36 meters, 10 meters of length;
(3) wind pressure measurement device:
Quantity: 10;
Position: be installed in entrance, stable section, contraction section, adopt the energy section;
(4) honeycomb duct
Size: 3 * 3 * 10 meters;
Material: corrosion resistant plate;
Quantity: 4;
Position: be installed in the contraction section outlet, adopt energy section intake section;
(5) pressure-reduction outlet:
Size: 3 * 3 meters;
The position: be installed in the contraction section top of wind-tunnel, evenly distributed;
Quantity: 10;
(6) safety net:
Be 4 millimeters reinforcing meshs;
Be installed in the contraction section front end;
(7) wind pressure adjusting device:
Area is 50 * 50 meters.Be 5 layers of horizontal grid.Totally four groups.
(8) frost and snow net:
Be electric network;
After being installed in safety net;
(9) lightning arrester:
Be installed in the wind-tunnel top;
3. build, install wind wheel:
(1) wheel shaft pedestal:
Highly; 100 meters;
Material: reinforced concrete;
(2) wheel shaft:
Size: 3 meters of diameters, 15 meters of length;
Material: steel;
(3) wheel hub:
Size: thickness 50cm, width 30cm;
Material: cast steel;
(4) blade
Size: 33 meters of height, 8 meters of front and back length;
Quantity: 40;
Material: carbon steel board;
(5) wind wheel speed measurement device:
Be the photoconductive structure speed measurement device, be installed on the torus;
4. actuating unit
Power output inclined-plane gear is fixedly mounted on the wheel shaft;
5. air compressor
Be the assembled screw rod air compressor, the amount of calming the anger 150,000 m
3/ m.
6. generator set
Power: 500MW.
Claims (6)
1. a wind tunnel type energy storage of atmospheric pressure wind-power generating system comprises wind-tunnel impeller unit, actuating unit, air compressor, energy storage of atmospheric pressure gas holder and air pressure turbogenerator.It is characterized in that: described wind-tunnel impeller unit is meant that wind-tunnel (1) is the uncovered member of dumbbell shaped symmetry, and impeller (2) is installed in wind-tunnel middle part contraction section, and impeller quantity is one group to many groups that are arranged in order.Described actuating unit is meant by gear (3) and with vertical shaft (6) impeller horizontal spindle (4) is linked to each other with air compressor (8).Described energy storage of atmospheric pressure gas holder (11) is a pressurized container that links to each other to a plurality of pipelines, and inlet links to each other with air compressor by pressurized gas pipeline (9), and outlet links to each other with the pneumatic turbine generator by the pressurized gas pipeline.Described pneumatic turbine generator is the power generating equipment of drive of high-pressure gas, comprises pneumatic turbine machine (16) and generator (17), links to each other with the energy storage of atmospheric pressure gas holder by the high pressure air-pressure duct.Described air compressor, energy storage of atmospheric pressure gas holder and air pressure turbogenerator are installed in ground.
2. a kind of wind tunnel type energy storage of atmospheric pressure wind-power generating system as claimed in claim 1 is characterized in that: described wind tunnel device is the uncovered member of dumbbell shaped that bore shrinks gradually, can be any contraction ratio and contraction mode.Adopt support (7) supporting, can according to the direction of the wind comes from move towards.
3. a kind of wind tunnel type energy storage of atmospheric pressure wind-power generating system as claimed in claim 1 is characterized in that: described energy storage of atmospheric pressure gas holder, be airtight Pressure Container, and inlet is installed Non-return air valve (10), and solar term flow control valve doors (15) are installed in outlet.
4. a kind of wind tunnel type energy storage of atmospheric pressure wind-power generating system as claimed in claim 3 is characterized in that: described energy storage of atmospheric pressure gas holder is equipped with pressure gauge (12), thermometer (13) and automatic pressure-relieving mouth (14).
5. a kind of wind tunnel type energy storage of atmospheric pressure wind-power generating system as claimed in claim 3 is characterized in that: described energy storage of atmospheric pressure gas holder is installed in ground or buried underground.
6. a kind of wind tunnel type energy storage of atmospheric pressure wind-power generating system as claimed in claim 1 is characterized in that: described pneumatic turbine machine is made up of high pressure air drain (18), nozzle (19), turbine (20), turbine blade (21), wheel shaft (22), turbine spoke (23), protection exhaust hood (25), pressure gauge (12), tachometer (24) and air pressure turbo machine support (26).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010100427600A CN102128141A (en) | 2010-01-14 | 2010-01-14 | Wind tunnel type air pressure energy storage wind power generation system |
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| CN2010100427600A CN102128141A (en) | 2010-01-14 | 2010-01-14 | Wind tunnel type air pressure energy storage wind power generation system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013038340A1 (en) * | 2011-09-13 | 2013-03-21 | Dattatraya Rajaram Shelke | Velocity gradient floating turbine and power generation system and methods thereof |
| CN104879276A (en) * | 2015-06-02 | 2015-09-02 | 李进福 | Air energy wind tunnel power generation device |
| CN106014860A (en) * | 2016-08-10 | 2016-10-12 | 刘明生 | Wind or water driven power machine or generator |
| CN108915954A (en) * | 2018-07-11 | 2018-11-30 | 黄斯华 | A kind of plural serial stage efficient wind-driven generator |
| CN110199115A (en) * | 2016-12-19 | 2019-09-03 | 元志有限公司 | Air compression plant |
| CN114287405A (en) * | 2022-01-13 | 2022-04-08 | 中国海洋大学 | Equipment for trapping fishes based on offshore wind power |
-
2010
- 2010-01-14 CN CN2010100427600A patent/CN102128141A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013038340A1 (en) * | 2011-09-13 | 2013-03-21 | Dattatraya Rajaram Shelke | Velocity gradient floating turbine and power generation system and methods thereof |
| US9624907B2 (en) | 2011-09-13 | 2017-04-18 | Dattatraya Rajaram Shelke | Velocity gradient floating turbine and power generation system and methods thereof |
| CN104879276A (en) * | 2015-06-02 | 2015-09-02 | 李进福 | Air energy wind tunnel power generation device |
| CN106014860A (en) * | 2016-08-10 | 2016-10-12 | 刘明生 | Wind or water driven power machine or generator |
| CN110199115A (en) * | 2016-12-19 | 2019-09-03 | 元志有限公司 | Air compression plant |
| CN108915954A (en) * | 2018-07-11 | 2018-11-30 | 黄斯华 | A kind of plural serial stage efficient wind-driven generator |
| CN108915954B (en) * | 2018-07-11 | 2019-12-03 | 徐州科星科技发展有限公司 | A kind of plural serial stage wind power generation plant |
| CN114287405A (en) * | 2022-01-13 | 2022-04-08 | 中国海洋大学 | Equipment for trapping fishes based on offshore wind power |
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Application publication date: 20110720 |