CN202065127U - Wind collection double-impact type wind wheel vertical axis wind-driven generator - Google Patents
Wind collection double-impact type wind wheel vertical axis wind-driven generator Download PDFInfo
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- CN202065127U CN202065127U CN 201120126730 CN201120126730U CN202065127U CN 202065127 U CN202065127 U CN 202065127U CN 201120126730 CN201120126730 CN 201120126730 CN 201120126730 U CN201120126730 U CN 201120126730U CN 202065127 U CN202065127 U CN 202065127U
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
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Abstract
The utility model relates to a wind collection double-impact type wind wheel vertical axis wind-driven generator which comprises a wind wheel, a support fixing tower tube, a vertical drive shaft, a speed increaser and a generator, wherein the vertical drive shaft is positioned in the support fixing tower tube, a hollow barrel rotating around the support fixing tower tube is sleeved on the support fixing tower tube, the wind wheel is fixed on the hollow barrel and is connected with the speed increaser through the vertical drive shaft, the speed increaser is connected with the generator, a streamline lifting vane is arranged on the edge of the wind wheel, a wind collecting cover is arranged in front of the wind inlet semicircumference of the wind wheel, a support bar of the wind collecting cover is connected with the support fixing tower tube through a bearing, a rectification wind deflecting board is fixed at one end at which the wind collecting cover is close to the wind wheel along the outer edge of the wind wheel through a shaft, and an automatic wind discharge device is installed on the wind collecting cover. The wind collecting cover is designed according to the theory of aerodynamics, so that the wind energy can be collected to speed up the wind, and the electric generation power is improved; the rectification wind deflecting board is used for adjusting the wind into the positive wind for speeding up the wind wheel, so that the utilization rate of wind energy is improved; the automatic wind discharge device ensures that the generator continuously and normally operates in the strong wind and cannot be damaged by the strong wind.
Description
Technical field
The utility model relates to a kind of wind gathering double click type wind wheel wind power generating set with vertical shaft, belongs to field of generating equipment.
Background technique
Wind-driven generator is concluded and can be divided into two classes: horizontal axis wind-driven generator and vertical axis aerogenerator, though current application widely horizontal axis wind-driven generator can utilize high altitude wind energy, utilization ratio is still on the low side.According to shellfish limit theory now, horizontal-shaft wind turbine is 59.3% to the theoretical peak use rate of wind energy at present, and in the practical application, utilization ratio of wind energy is far below this numerical value.For example Germany produces 2.5 megawatt horizontal axis wind-driven generators, and rotor diameter is 80m, and wind sweeping area is 5024m
2, design wind speed is 15 meter per seconds, and Wind Power Utilization efficient only is 24.1%, and to reach maximum value also only be 43% to its Wind Power Utilization efficient when wind speed is 9 meter per seconds.
Horizontal axis wind-driven generator is owing to be subjected to the restriction of blade structure intensity widely for current application, single-machine capacity is difficult to surpass 5 megawatts, and the wind-driven generator of 3 megawatts just has been near the commercial limit, and involves great expense, be generally 1.0 ten thousand yuan/more than the kw.
The booster engine of horizontal axis wind-driven generator and generator and other equipment etc. all will be installed in the cabin on pylon top of tens meters height, be subjected to the narrow and small restriction in space, high-altitude, volume and weight of the said equipment and profile all will be subjected to strict restriction, and complex structure, the rate of fault height, average according to statistics Homes Using TV is less than 20%.Current check safeguard and break down after maintenance also very inconvenient.The influence of factors such as deficiency because investment and rate of fault height cause starting shooting, the wind energy turbine set economic benefit of equipment axis wind power generator is relatively poor, at present real profit seldom.This has also seriously restricted the sound development of this green energy resource industry of wind-power electricity generation.
The horizontal axis wind-driven generator of the more current extensive use of vertical axis aerogenerator has an outstanding advantage, step-up gear and generator (or other work mechanisms) can be laid on the ground exactly, installs and maintenance expenses is low and make things convenient for.But because the restriction of multiple factor, the power of vertical axis aerogenerator is little at present, generally is no more than 300 kilowatts.
The model utility content
According to above-mentioned deficiency of the prior art, technical problem to be solved in the utility model provides that a kind of wind energy utilization is higher, generated output is big, cost is low and installation and maintenance wind gathering double click type wind wheel wind power generating set with vertical shaft easily.
The utility model is that the technological scheme that its technical problem of solution is adopted is: a kind of wind gathering double click type wind wheel wind power generating set with vertical shaft is provided, comprise wind wheel, support fixation tower tube, vertical drive shaft, booster engine and generator, vertical drive shaft is arranged in support fixation tower tube, the hollow cylinder that suit one rotates around it on the support fixation tower tube, wind wheel is fixed on the hollow cylinder, hollow cylinder connects booster engine by vertical drive shaft, booster engine is connected with generator, it is characterized in that: the edge of wind wheel is equipped with streamlined lift force blade, the place ahead of wind wheel air intake semi-circumference is provided with wind gathering cover, the strut of wind gathering cover is connected on the support fixation tower tube by the load-bearing positioning bearing, wind gathering cover passes through fixedly rectification wind deflector of axle near wind wheel one end along the wind wheel outward edge, installs on the wind gathering cover and lets out wind apparatus automatically.
The preceding semi-circumference air intake of wind wheel, later half circumference air-out, wind-force forms through-flow from front to back in wind wheel, therefore the wind-force streamlined lift force blade of twice promotion and drive wind wheel successively around support fixation tower tube rotation (counterclockwise or clockwise all can), after wind wheel converts the wind energy in high-altitude to huge power, can be delivered to by hollow cylinder and vertical drive shaft and be located at ground booster engine, booster engine promotes back drive generator with rotating speed and sends electric power.The rectification wind deflector is set in wind gathering cover, the backward wind opposite with the wind wheel sense of rotation can be adjusted to the wind identical and affact on the streamlined lift force blade of wind wheel with the angle of attack of the best with the wind wheel sense of rotation, absorb the energy of wind to greatest extent, thereby improved Wind Power Utilization efficient greatly.
The intake grill of described wind gathering cover is set to horn mouth, successively decreases along the bore of air intake direction wind gathering cover.The wind that substantially horizontal can be blown by wind gathering cover is gathered and is compressed, and assembles wind energy on the one hand, on the other hand the wind pressure-raising is quickened.
Telescopic wind gathering plate is set around the intake grill of described wind gathering cover.When hanging down wind speed, telescopic wind gathering plate can be extended, thereby strengthen air output to increase generated energy.
For guaranteeing that the wind gathering cover intake grill faces the direction of the wind comes from all the time, be provided with automatically to wind apparatus:
For relatively large wind energy conversion system (more than the 10kw) can be provided with by the wind reducing motor is driven automatically to wind apparatus, promptly below wind gathering cover, be provided with fix on the ground with the concentric ring track of support fixation tower tube, the running on wheels of carrying wind gathering cover weight that drive is set on the ring track is automatically to wind apparatus, and wind gathering cover is fixedlyed connected to wind apparatus automatically with running on wheels.The weight of wind gathering cover is pressed on the ring track by the wheel of band driving force, can make the driving force of drive unit big and power consumpiton is low like this.Described running on wheels is device conventional or that can realize to wind apparatus automatically, and its control signal comes from anemoscope and stochastic computer control system at random.
Can be provided with automatically the wind tail vane for small wind turbine (10kw following), promptly fixing automatically to the wind tail vane on the load-bearing positioning bearing, automatically wind tail vane and wind gathering cover are symmetricly set on the both sides of support fixation tower tube.
The described wind apparatus of letting out automatically comprises automatic wind discharging door and automatic catch aerofoil, automatically wind discharging door is installed in letting out on the air port of the wind gathering cover left and right sides, the automatic catch aerofoil is installed in the both sides at center in the wind gathering cover intake grill, and wind discharging door all is connected with wind gathering cover by axle with the automatic catch aerofoil automatically.The unnecessary wind-force that surpasses generator rating power can be sewed automatically by letting out wind apparatus automatically, can carry out speed governing and safety protection quickly and easily, make wind wheel can keep normal rotation can not cause damage again because of strong wind.
When letting out wind apparatus automatically and let out wind and still can not reduce the power of wind-driven generator later on, can start electromagnetic brake for small wind turbine shuts down blower fan, can start running on wheels for relatively large wind energy conversion system and make the certain angle of wind gathering cover deflection enter the air quantity of wind wheel to wind apparatus automatically, thereby guarantee that wind generating unit continues to run well and not damaged by high wind in high wind with further minimizing.
Double click type wind wheel structure according to aerodynamics and Hydrodynamics Theory design in this device is simple, and the blade of wind wheel adopts two ends and middle part multiple spot to fix, and is solid and reliable, the wind energy utilization height.It is big to start wind speed low (2 meter per second) and rotary inertia, the fluctuation of speed that brings of the inhomogeneous wind speed of balance effectively.According to rotor diameter is 0.8 meter checking that power is 500 watts wind-driven generator: Wind Power Utilization efficient is 47.1% when wind speed is 7 meter per seconds.Its Wind Power Utilization efficient is 29.5% when design wind speed (15 meter per second), has increased by 5.4% than horizontal axis wind-driven generator with the Wind Power Utilization efficient of wind speed.Average wind energy utilization ratio reaches 41.4% (the Wind Power Utilization efficient that Germany produces in 2500 kilowatts of identical wind speed range of large-scale horizontal axis wind-driven generator of N80 type only is 39.2%) in the 4-11 meter per second wind speed range.If continue to strengthen the power of this type wind-driven generator, its Wind Power Utilization efficient also will further improve.Because structural advantage is arranged, the diameter of wind wheel and height and the size of wind gathering cover can strengthen in a big way, thereby have created advantageous conditions for the maximization of this type wind-driven generator even large, and single-machine capacity can reach 10Mw even higher.
After the wind wheel of vertical shaft structure converts the wind energy in high-altitude to huge power, can be delivered to by vertical drive shaft and be located at ground booster engine, generator or other work mechanism, the high-altitude does not have bigger parts and equipment, make installation and recondition expense low, it is easy to maintenance to patrol, saved operating cost greatly, and to the weight of running such as booster engine and generator machinery and boundary dimension without any restriction, can design by the standard of standard equipment and make; Wind wheel and blade can be used the common material manufacturing, thereby greatly reduce the cost of equipment, and the preresearch estimates unit price is no more than 5000 yuan/kilowatt.
The tip speed ratio of this machine wind wheel very low (being generally less than 1.0) makes the noise of this wind-driven generator lower, the problem that does not exist the horizontal axis wind-driven generator noise to disturb residents.Complete machine structure is simply compact, do not have obviously and the parts that significantly move, so good visual effect, can on wind gathering cover, coat various colors or wind gathering cover is done the billboard use, when producing green energy resource, formed beautiful landscape.
Because the output power and the output torque of this wind force device are big, therefore can drive large-scale Efficient water pump pumped storage easily, can become a huge power chain by many this wind-driven water pumping unit parallel connections like this, the high-energy current that compile through mother pipe respectively with hydraulic turbine generator and elevated reservoir UNICOM, hydraulic turbine generator can balancedly generate electricity, elevated reservoir plays the effect of accumulation of energy and balance, thereby avoided because the wind-power electricity generation instability is impacted big hard nut to crack to electrical network, so just make unsettled wind energy change the cleaning peak regulation electric energy of stable and controllable into, its economic benefit and energy-saving and emission-reduction benefit will be more outstanding.
The center of gravity of this device is very low, is more suitable at sea installing and using, and can be assembled in easily in the dock of bank on the maritime floating platform, is dragged to darker marine site with towboat then and generates electricity with the fixing back of hawser.Because the wind energy resources on the sea is abundanter, so can obtain to Duo 70% electric energy than the land, the electricity generating device of this structure will reduce by 60% than the basis and the mounting cost of marine horizontal axis wind-driven generator, and total cost is no more than 1.2 ten thousand yuan/kilowatt.
The beneficial effects of the utility model are:
The wind gathering cover of wind gathering double click type wind wheel wind power generating set with vertical shaft has the double action of assembling wind energy and making the wind speedup according to the aerodynamics Design Theory, has improved generated output and efficient; Rectification wind deflector in the wind gathering cover can be adjusted to the wind opposite with the wind wheel sense of rotation wind of the postive direction of quickening to wind wheel, has further improved wind energy utilization; Automatically make the intake grill of wind gathering cover face the direction of the wind comes from all the time to wind apparatus, can carry out speed governing and safety protection quickly and easily, guarantee that wind generating unit continues to run well and not damaged by high wind in high wind by letting out wind apparatus automatically; Tip speed ratio very low (being generally less than 1.0), noise is little, can not exert an influence near resident; Center of gravity is low, is adapted at the sea and installs and uses, to excavate abundanter wind energy resources; The complete machine cost is low, and the investment of wind energy turbine set is reduced significantly, and economic benefit is outstanding; Running device is all settled on the ground, and profile and weight are unrestricted, and safety coefficient can improve greatly, and it is more reliable to turn round, and rate of fault is low, and installation, maintenance and maintenance are all very convenient, and operating cost is descended significantly, are suitable for large-scale promotion application.
Description of drawings
Fig. 1 is one of structural representation of the present utility model;
Fig. 2 is the plan view of Fig. 1;
Fig. 3 is two of a structural representation of the present utility model.
Among the figure: 1, wind gathering cover; 2, rectification wind deflector; 3, hollow cylinder; 4, wind wheel; 5, streamlined lift force blade; 6, load-bearing positioning bearing; 7, vertical drive shaft; 8, strut; 9, support fixation tower tube; 10, running on wheels is automatically to wind apparatus; 11, ring track; 12, generator; 13, booster engine; 14, automatic wind discharging door; 15, automatic catch aerofoil; 16, automatically to the wind tail vane.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further:
Shown in Fig. 1～3, wind gathering double click type wind wheel wind power generating set with vertical shaft mainly comprises wind gathering cover 1, wind wheel 4, support fixation tower tube 9, vertical drive shaft 7, booster engine 13 and generator 12, wind wheel 4 is fixed on and is set on the support fixation tower tube and on the hollow cylinder 3 that support fixation tower tube rotates, the edge of wind wheel 4 is equipped with several streamlined lift force blades 5, wind wheel 4 connects booster engine 13 by vertical drive shaft 7, booster engine 13 is connected with generator 12, the place ahead of wind wheel air intake semi-circumference is provided with wind gathering cover 1, the intake grill of wind gathering cover 1 is set to horn mouth, the strut 8 of wind gathering cover 1 is connected on the support fixation tower tube 9 by load-bearing positioning bearing 6, wind gathering cover 1 passes through fixedly rectification wind deflector 2 of axle near wind wheel one end along the wind wheel outward edge, install on the wind gathering cover 1 and let out wind apparatus automatically, be automatic wind discharging door 14 and automatic catch aerofoil 15, automatically wind discharging door 14 is installed in letting out on the air port of wind gathering cover 1 left and right sides, automatic catch aerofoil 15 is installed in the both sides at center in wind gathering cover 1 intake grill, and wind discharging door 14 all is connected with wind gathering cover 1 by axle with automatic catch aerofoil 15 automatically.
For guaranteeing that the wind gathering cover intake grill faces the direction of the wind comes from all the time, be provided with automatically to wind apparatus:
Can be provided with by motor-driven running on wheels automatically to wind apparatus 10 for relatively large wind energy conversion system (more than the 10kw), promptly below wind gathering cover 1, be provided with the ring track 11 concentric that fixes on the ground with support fixation tower tube 9, the running on wheels of carrying wind gathering cover weight that drive is set on the ring track 11 is automatically to wind apparatus 10, wind gathering cover 1 is fixedlyed connected to wind apparatus 10 automatically with running on wheels, as shown in Figure 1, 2.Running on wheels is a conventional equipment to wind apparatus automatically, and its control signal comes from anemoscope and stochastic computer system, and the driving force that wind gathering cover 1 is rotated around support fixation tower tube 8 to wind apparatus automatically by running on wheels is big and power consumpiton is low.
Can select for use automatically for small wind turbine (10kw following) wind tail vane 16 is reached automatically purpose to wind, promptly fixing automatically to wind tail vane 16 on load-bearing positioning bearing 6, automatically wind tail vane 16 and wind gathering cover 1 are symmetricly set on the both sides of support fixation tower tube 9, as shown in Figure 3.
Telescopic wind gathering plate is set around the intake grill of described wind gathering cover.When hanging down wind speed, telescopic wind gathering plate can be extended with the increase incoming air area, thereby strengthen air output to increase generated energy.
Working procedure:
When the wind of substantially horizontal comes, running on wheels starts or automatically wind tail vane 16 is adjusted automatically the direction of wind gathering cover 1 automatically automatically under the effect of wind-force to wind apparatus 11, the intake grill that orders about wind gathering cover 1 is over against the direction of the wind comes from, make wind gather and compress, rectification wind deflector 2 in the wind gathering cover will the wind opposite with wind wheel 4 sense of rotation be adjusted to the wind of the postive direction of quickening to wind wheel and affacts on the streamlined lift force blade 5 of wind wheel with the angle of attack of the best, because the preceding semi-circumference air intake of wind wheel 4, later half circumference air-out, wind-force forms through-flow from front to back in wind wheel 4, so the wind-force streamlined lift force blade 5 of twice promotion and drive wind wheel 4 around support fixation tower tube 9 rotations (counterclockwise or clockwise all can) successively.The enormous motivation that wind wheel 4 converts the wind energy in high-altitude to is delivered to by hollow cylinder 3 and vertical drive shaft 7 and is located at ground booster engine 13, and booster engine 13 promotes the back with rotating speed and drives generator 12 and send electric power.When wind-force surpassed the rated load of generator, wind discharging door 14 and automatic catch aerofoil 15 appropriateness were opened certain angle automatically, and unnecessary wind-force is sewed to guarantee the generator safe operation automatically.
When automatic wind discharging door 14 and automatic catch aerofoil 15 reach maximum angle and still can not reduce the load of generator, make the certain angle of wind gathering cover deflection reduce the load of generator thereby can start to the wind reducing motor, thereby guarantee that wind generating unit continues to run well and not damaged by high wind in high wind with the air quantity that minimizing enters wind wheel for relatively large generator; Can start electromagnetic brake for small generator blower fan is shut down, to guarantee safety.
Claims (6)
1. wind gathering double click type wind wheel wind power generating set with vertical shaft, comprise wind wheel, support fixation tower tube, vertical drive shaft, booster engine and generator, vertical drive shaft is arranged in support fixation tower tube, the hollow cylinder that suit one rotates around it on the support fixation tower tube, wind wheel is fixed on the hollow cylinder, hollow cylinder connects booster engine by vertical drive shaft, booster engine is connected with generator, it is characterized in that: the edge of wind wheel is equipped with streamlined lift force blade, the place ahead of wind wheel air intake semi-circumference is provided with wind gathering cover, the strut of wind gathering cover is connected on the support fixation tower tube by the load-bearing positioning bearing, wind gathering cover passes through fixedly rectification wind deflector of axle near wind wheel one end along the wind wheel outward edge, installs on the wind gathering cover and lets out wind apparatus automatically.
2. wind gathering double click type wind wheel wind power generating set with vertical shaft according to claim 1, it is characterized in that: the intake grill of described wind gathering cover is set to horn mouth, successively decreases along the bore of air intake direction wind gathering cover.
3. wind gathering double click type wind wheel wind power generating set with vertical shaft according to claim 1, it is characterized in that: the described wind apparatus of letting out automatically comprises automatic wind discharging door and automatic catch aerofoil, automatically wind discharging door is installed in letting out on the air port of the wind gathering cover left and right sides, the automatic catch aerofoil is installed in the both sides at center in the wind gathering cover intake grill, and wind discharging door all is connected with wind gathering cover by axle with the automatic catch aerofoil automatically.
4. according to claim 1,2 or 3 described wind gathering double click type wind wheel wind power generating set with vertical shaft, it is characterized in that: telescopic wind gathering plate is set around the intake grill of described wind gathering cover.
5. wind gathering double click type wind wheel wind power generating set with vertical shaft according to claim 1 is characterized in that: fixing on the described load-bearing positioning bearing automatically to the wind tail vane, automatically wind tail vane and wind gathering cover are symmetricly set on the both sides of support fixation tower tube.
6. wind gathering double click type wind wheel wind power generating set with vertical shaft according to claim 1, it is characterized in that: the below of wind gathering cover is provided with the ring track concentric with fixed vertical axis that fixes on the ground, the running on wheels of carrying wind gathering cover weight that drive is set on the ring track is automatically to wind apparatus, and wind gathering cover is fixedlyed connected to wind apparatus automatically with running on wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120126730 CN202065127U (en) | 2011-04-26 | 2011-04-26 | Wind collection double-impact type wind wheel vertical axis wind-driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120126730 CN202065127U (en) | 2011-04-26 | 2011-04-26 | Wind collection double-impact type wind wheel vertical axis wind-driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202065127U true CN202065127U (en) | 2011-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120126730 Expired - Lifetime CN202065127U (en) | 2011-04-26 | 2011-04-26 | Wind collection double-impact type wind wheel vertical axis wind-driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202065127U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128140A (en) * | 2011-04-26 | 2011-07-20 | 梁道广 | Wind collecting double-click type wind wheel vertical shaft wind power generator |
| CN103104296A (en) * | 2013-02-05 | 2013-05-15 | 岳国胜 | Air power drive device |
| CN109236575A (en) * | 2017-07-10 | 2019-01-18 | 官焕章 | Wind generator system |
| CN110778457A (en) * | 2019-11-11 | 2020-02-11 | 史杰 | Wind-solar complementary power generation device |
| CN113124646A (en) * | 2021-04-29 | 2021-07-16 | 开封迪尔空分实业有限公司 | Air separation cold box based on wind power generation |
-
2011
- 2011-04-26 CN CN 201120126730 patent/CN202065127U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128140A (en) * | 2011-04-26 | 2011-07-20 | 梁道广 | Wind collecting double-click type wind wheel vertical shaft wind power generator |
| CN102128140B (en) * | 2011-04-26 | 2012-09-05 | 梁道广 | Wind collecting double-click type wind wheel vertical shaft wind power generator |
| CN103104296A (en) * | 2013-02-05 | 2013-05-15 | 岳国胜 | Air power drive device |
| CN109236575A (en) * | 2017-07-10 | 2019-01-18 | 官焕章 | Wind generator system |
| CN110778457A (en) * | 2019-11-11 | 2020-02-11 | 史杰 | Wind-solar complementary power generation device |
| CN113124646A (en) * | 2021-04-29 | 2021-07-16 | 开封迪尔空分实业有限公司 | Air separation cold box based on wind power generation |
| CN113124646B (en) * | 2021-04-29 | 2021-12-28 | 开封迪尔空分实业有限公司 | Air separation cold box based on wind power generation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111207 Effective date of abandoning: 20120905 |