CN102996357A - Comprehensive energy air channel well power generation station - Google Patents
Comprehensive energy air channel well power generation station Download PDFInfo
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- CN102996357A CN102996357A CN2011102653827A CN201110265382A CN102996357A CN 102996357 A CN102996357 A CN 102996357A CN 2011102653827 A CN2011102653827 A CN 2011102653827A CN 201110265382 A CN201110265382 A CN 201110265382A CN 102996357 A CN102996357 A CN 102996357A
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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
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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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
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
A comprehensive energy air channel well power generation station comprises an air channel well perpendicular to the ground and with a plurality of air feeding channels arranged on the base portion. A solar preheating chamber surrounds the periphery of the base portion, the base face of the solar preheating chamber is aligned with the base face of the air channel well, and the top face of the solar preheating chamber is higher than the air feeding channel, and more than one wind driven generator with an air flow driving device is arranged in the air channel well. The solar preheating chamber is provided with a heat collection device and a light condensing device. A peak shaving device comprises a motor-driven air compressor connected with the wind driven generator, a charge-discharge device and a power distribution control device. The air compressor is connected with a group of air storage tanks through a pipe. Therefore, the power generation station is capable of comprehensively utilizing various natural energies to generate power and has the functions of shaving peak and compensating.
Description
Technical field
The present invention relates to wind-power generating system, particularly a kind of comprehensive energy duct well power station in conjunction with solar energy, geothermal power.
Background technique
Human to fossil fuel, increasingly enlarge such as the environmetal impact that causes of seizing of oil, coal etc., and this class energy supply is limited, also increasingly exhausted.Therefore, utilize the power generation system of wind energy, solar thermal energy all to be paid much attention at world wide, also obtained in recent years the development of advancing by leaps and bounds.Common with natural wind drive blade wind-driven generator, be converted into again mechanical energy with solar energy as thermal source and drive generator, all the industry of entering is utilized the stage.But the above-mentioned form of utilizing wind energy and solar energy all exist to the natural condition such as wind-force, sunshine depend on unduly, complex structure, the low defective of input-output ratio.For above-mentioned deficiency, wind energy is combined with solar thermal energy, the using energy source means of learning from other's strong points to offset one's weaknesses also are seen in open.Its basic principle is with the solar energy heating air, forms upward flow by the air channel perpendicular to ground and drives wind-driven generator generation electric energy.For example, the international open described solar chimney wind turbine of WO01/96740A, namely disclose by solar energy greenhouse air preheat, the air channel that imports again perpendicular to ground forms upward flow, the turbo machine that drives in the air channel drives generator work, the parameter controls such as its rotating speed by complicated computer controlled system coordination generator, moment; And for example Chinese patent application CN101487452A, CN102128150A disclose basic principle and structure that solar energy and energy and wind energy integrative utilize, and consider the form that realizes heat energy, luminous energy comprehensive utilization by structures such as photovoltaic cell, heat conductive tubes.
Public technology scheme as front exemplifying has all adopted aforesaid basic principle, and the air of solar energy preheating rises in vertical air channel, and suitable position turbine, impeller drives the generator generating in the air channel.But facts have proved, only according to above-mentioned basic principle, can not realize having the effective capacity of industrial utilization, and published technological scheme, described such as above-mentioned WO01/96740A, still there is the defective of inefficiency, control principle complexity.Trace it to its cause, at first, well-known, the thermal capacity of air and heat conduction efficiency are not high, and highly transparent, and be unfavorable for the savings of heat energy, and adding the guide functions in back segment air channel, air velocity is very large, only by one section greenhouse type hole capital after selling all securities, the air that flows just can not be heated to enough temperature, can not form the temperature difference enough with surrounding environment, makes the upward flow in the air channel can not produce enough speed and pressure.Moreover, published technological scheme is processed all inadequate to the peak regulation of output electric energy, and utilizes the unstable natural energy resources such as solar energy, wind energy to generate electricity, and the most thorny technical problem is exactly to obtain stable electric energy output at present, when especially being incorporated into the power networks with public electric wire net, this defective is more outstanding.
Such as the public technology scheme that front exemplifies, can not realize having the effective capacity of industrial utilization, except can not fully excavating the potential energy of natural energy resources, do not consider the particularity of this type systematic and special structural design in addition as the wind generating unit of main generating parts yet, therefore, all can't take full advantage of the energy that can do work.
In the above-mentioned generation mode, within the specific limits, air duct well is higher, the upward flow that easier acquisition is stable, powerful; The diameter of air duct well is larger, more is easy to adopt major diameter, relative low speed, efficient generator system.But build major diameter and relatively high air duct well, belonged to huge engineering, its investment is difficult to effectively regain by the production capacity in later stage.Accordingly, though there have to overcome the technological scheme of this defective to be open, for example Chinese patent discloses CN201246272Y and CN2851632Y, the former provides the technological scheme that makes up air duct well with light-duty splicing construction, but it is not enough that its structural strength is still disliked, can't bear the resonance that high velocity air may cause, thereby can not drop into high-intensity industry and use; Latter has been sacrificed necessary height under the prerequisite that enlarges as far as possible cross section diameter, make airspeed and the smoothness all can't Effective Raise.
Moreover the public technology scheme as front exemplifying has all adopted aforesaid basic principle, and the air of solar energy preheating rises in vertical air channel, and position turbine, impeller suitable in the air channel drive the generator generating.But the processing mode that does not all relate to wind top of tower tail gas stream.Facts have proved, acting air-flow tail gas in the air duct well is when tower top discharge is in the atmosphere environment, owing to also have certain flow velocity, air static with the external world or that only have a horizontal flow velocity collides, can produce huge exhaust noise, and in cat head end turbulization, this turbulent flow has also affected the smooth and easy degree of exhaust, in the serious situation even can destroy the cat head structure generation.Above-mentioned known technological scheme is not all considered this potential threat.
For this reason, the present inventor is for the defective of above-mentioned conventional art, by the effective solution of the special proposition of the application.
Summary of the invention
The object of the invention is, a kind of comprehensive energy duct well power station is provided, and to preheat efficient not high to overcome the existing solar energy of above-mentioned conventional solution, electric energy output stable not defective.
The object of the invention also is, a kind of wind generating unit is provided, and is not high to overcome the existing energy utilization rate of above-mentioned conventional solution, the irrational defective of generating device structure.
The object of the invention also is, a kind of wind tower structure is provided, defective for known solution is improved, thereby for comprehensive energy duct well power station provides the structure of high strength, high stability, produce acting air-flow high-strength, high ride basic guarantee is provided for taking full advantage of comprehensive energy.
The object of the invention also is, a kind of baffler is provided, the defective that the existing exhaust noise of above-mentioned conventional solution is huge to overcome, exhaust does not freely reach image cat head structural safety.
A kind of comprehensive energy duct well power station, has a wind tower perpendicular to ground, it comprise bearing structure coaxial around and support an air duct well, the air duct well base portion has four intake ducts, be surrounded with the solar energy preheating chamber that can cover described intake duct around this base portion, arrange in the air duct well more than one with the wind-driven generator of air flow drive device, adopt above-mentioned wind tower structure.Pass through said structure, bearing structure also consist of an integral body among by symmetrical strut air duct well being supported in bearing structure securely, bearing structure adopt steel truss structure to make assembling easier, symmetrical strut provides each support to stable equilibrium, and air duct well is owing to need not load-bearing, can adopt the reinforced concrete pipe splicing of prefabricate, greatly improve efficiency of construction and reduced difficulty of construction, also can guarantee the smooth standard of air duct well inwall, extremely be conducive to the high-power air flue well power station construction of highpressure, high flow rate.
According to above-mentioned purpose, the invention provides a kind of comprehensive energy duct well power station, comprise one perpendicular to ground and be provided with the air duct well of several intake ducts at base portion, be surrounded with that the bottom surface flushes with the air duct well bottom surface around the described base portion and end face is higher than the solar energy preheating chamber of described intake duct, wind-driven generator with air flow drive device is set in the described air duct well more than one, described solar energy preheating chamber has heat-collecting devcie, and is used for the optical block of solar ray collecting to heat-collecting devcie; One peak adjusting device comprises the electric air compressor, charge and discharge device and the distribution control device that are connected to described wind-driven generator, and this air compressor is connected by pipeline with one group of gas holder; The periphery of described solar energy preheating chamber is provided with the intake grill corresponding to described intake duct, and it is communicated in above-mentioned intake duct by main wind passage; This intake grill place also is provided with the gas fan of force feed air in this solar energy preheating chamber.
Preferably, the end face of described solar energy preheating chamber is transparent top surface of glass, and described bottom surface is can be with the mirror surface of light to internal reflection.
Preferably, described solar energy preheating chamber comprises three layers of perisporium that annular concentric is arranged, form the clearance space of three groups of concentric annular, every group of described clearance space is again by described end face, bottom surface, and the two-layer baffle for separating that is made of optical block between end face, bottom surface becomes three layers; Each annular pass all has the thermal current passway that is communicated with main wind passage.
Preferably, described optical block is convergent lens.
Preferably, described heat-collecting devcie is for being communicated with and being full of the circulating heat-collecting tube of liquid thermal-arrest medium.
Preferably, also be provided with the solar powered fluid heat collector outside the described solar energy preheating chamber, it is connected in described circulating heat-collecting tube.
Preferably, described circulating heat-collecting tube also is connected in the liquid cooling heat radiation system of air compressor.
Preferably, described circulating heat-collecting tube also is connected in the terrestrial heat pump of geothermal water heating system.
Preferably, be arranged at described air duct well for the pneumatic motor that drives described wind-driven generator more than one, and be connected in described gas holder; Described pneumatic motor is connected in described wind-driven generator by machinery or electric drive.
Preferably, described gas fan and an air pressure motor and an electric motor link together; This air pressure motor is connected in described gas holder; This electric motor is connected in charge and discharge device.
According to above-mentioned purpose, the present invention also provides a kind of wind generating unit, and described wind generating unit is arranged at air duct well inside, and it comprises that one has the reducing culvert device of diameter reducing part; One generator is arranged in this culvert device; One is arranged at the minimum diameter place of diameter reducing part in the described culvert device in order to drive the impeller that generator rotates, and is connected on the rotor shaft of generator; Described rotor shaft passes this generator, and its traversing through end is connected with a compressor turbine, and it is positioned at the air intake direction of described culvert device with respect to described impeller.
Preferably, described culvert device entrance is identical with culvert device outlet bore, and its outer wall is cylindrical.
Preferably, both sides, described culvert device sidewall longitudinal section are the smooth gradual change curve of the inside symmetry of protuberance, and form described diameter reducing part by this smooth gradual change curve.
Preferably, the smooth gradual change of described symmetry song is symmetrical hyperbola.
Preferably, described wind generating unit cross-section area is less than or equal to 50% of air duct well cross-section area.
Preferably, described culvert device and the coaxial setting of air duct well.
Preferably, the composite structure integral body of described impeller, generator, compressor turbine all is included within the outer contour of described culvert device.
Preferably, described impeller is connected with the rotor shaft of generator by a speed change gear in order to speedup.
Preferably, described compressor turbine also has to regulate the speed change gear of compressor turbine rotating speed between rotor shaft.
Preferably, described generator is the frequency conversion permanent magnet generator.
According to above-mentioned purpose, the present invention also provides a kind of wind tower structure, and described air duct well outer wall is provided with the air duct well support ring that array is centered around the air duct well outer wall from top to bottom, and each is organized on the air duct well support ring and is distributed with several air duct well tie points along even circumferential; The wall of bearing structure also is provided with array bearing structure support ring on corresponding to the position of described air duct well support ring, also be provided with equally distributed bearing structure tie point along circumference on the described bearing structure support ring; Be connected by strut between described air duct well tie point and the contour described bearing structure tie point, described strut one end is connected in described air duct well tie point, the other end is connected in the bearing structure tie point on the bearing structure sidewall, and each strut is symmetrical in the plane.
Preferably, have respectively eight air duct well tie points that distribute along even circumferential on the described air duct well support ring; Have respectively 12 bearing structure tie points that distribute along even circumferential on the described bearing structure support ring; On two corresponding on sustained height support rings, symmetrical four air duct well tie points form a cross with corresponding four bearing structure tie points by four allotment struts that radially distribute, between described bearing structure tie point and the air duct well tie point and connect and compose the octagon structure of a symmetry by inclined support bar.
Preferably, described bearing structure are steel truss structure or reinforced concrete construction; Described air duct well is reinforced concrete construction.
Preferably, described air duct well is prefabricate concrete reinforced pipe splicing construction.
Preferably, described steel truss structure periphery is enclosed with light composite board.
Preferably, described light composite board is color steel-polyurethane foam composite sheet.
Preferably, described air duct well is spliced to form by reinforced concrete prefabricated pipe.
Preferably, described air duct well support ring, described bearing structure support ring, strut all or one of, consisted of by i shaped steel.
According to above-mentioned purpose, the present invention also provides a kind of baffler, and it is arranged at the air duct well top in this power station, and this baffler hides on the air outlet of this air duct well, and is connected with described air duct well.
Preferably, described baffler has an end cap, buckles at wind cat head end, has the exhaust port of several scattering devices on this baffler.
Preferably, described baffler comprises the separately cylindric hush pipe of coaxial setting also of array, has several horizontal exhaust ports on the hush pipe; Described end cap is coated on the outermost of described hush pipe at intervals; The under shed of hush pipe is connected with the upper end of air duct well.
Preferably, the horizontal exhaust port of offering on the described adjacent hush pipe setting of mutually staggering.
Preferably, described hush pipe has the cylindrical structure more than three layers, respectively with the coaxial setting of air duct well.
Preferably, the exhaust port area summation on every layer of hush pipe is all more than or equal to the outlet cross-section area of air duct well.
Preferably, described exhaust port is circular hole.
Preferably, described exhaust port is the line of rabbet joint.
According to described baffler, have a hollow cone end on the described baffler, several exhaust ports are arranged on the conical surface of this conical end.
Preferably, the top of described hollow cone end is provided with lightning arrester or caution, telltale.
Working principle of the present invention and beneficial effect are as follows:
The intake duct of air duct well base portion is arranged in around the solar energy preheating chamber around it, sunlight passes through prism, the optical block heating that convex lens consist of is filled with the pipeline of thermal-arrest medium, according to the design temperature requirement, this pipeline can be multiple around or dish tie in this solar energy preheating chamber to obtain enough temperature, simultaneously, more can be connected in the solar thermal collector with higher heat efficiency of other setting, the liquid cooling heat radiation system of air compressor, geothermal water heating systems etc. are to take full advantage of the heat energy of surrounding environment, and then make pipeline reach the temperature more much higher than direct irradiation air, in the situation that pipeline is arranged with certain closeness, the air of tube circumference will have higher temperature when only exposing to sunlight.The air of heating enters the intake duct of air duct well base portion, produces higher airspeed and pressure in air duct well.When wind-force, rain or shine, sunshine etc. natural condition change etc. and when causing airflow fluctuation, for example, when natural condition well make generated energy superfluous, the allotment that peak adjusting device can be by power distribution control system to the unnecessary electric energy of accumulators store or band engine-driven air compressor to gas holder in the store compressed air; Otherwise when generated energy was not enough, the electric energy that peak adjusting device can discharge above-mentioned storage provided effective supplemental air flow flow to the gas fan power supply, and gas holder then can drive the running of the pneumatic motor auxiliary generator in the air duct well.Select suitable peak according to the natural condition of locality, just can realize day and night, the equilibrium generating in the four seasons.
Smooth-going upward flow in the air duct well is at the culvert device place, it still upwards flows by former direct of travel and speed along the nearer air-flow of the air channel borehole wall, the air-flow of air duct well core enters culvert device, in the normal operation situation, compressor turbine will enter the air-flow pressurization of duct entrance, acceleration rushes at the impeller of top, air-flow is further compressed by the duct diameter reducing part, form faster, the following current that pressure is larger, promote impeller operation this moment and drive the generator generating, simultaneously, the Partial Power feedback of impeller output puts on compressor turbine, drives turbo driving and continues the air-flow of incident is carried out supercharging, accelerate.According to fluid mechanics principle, interior profile with symmetric double curve cross section is to make the most smoothly sectional shape of Fluid Flow in A, its " chimney " effect is the strongest, has larger opening shape, incident, outgoing air-flow have been reduced to greatest extent in speed and the pressure difference of duct entrance, outlet port and peripheral air-flow, be difficult for turbulization, namely minimum to the disturbance of air-flow overall flow, also eliminated main noise source simultaneously.Therefore, preferably duct sidewall longitudinal section is designed to symmetrical hyperbola profile.According to working speed or the frequency of selected generator, in conjunction with the duct design, the Rational Rotation Speed of its impeller and compressor turbine is difficult to mutually coordinate, and can coordinate rotating speed by adding suitable gear, makes them all reach best running efficiency.
The coaxial as far as possible center portion that is arranged at air duct well of culvert device, and its section area is not more than 50% of air duct well section area, to the interference less of peripheral air-flow, be beneficial to the recovery of acting air-flow velocity and pressure, to ensure effective running of next stage electricity generating device.
Select the better simply frequency conversion permanent magnet generator of structure, maintenance work is simplified, and be easy to adapt to relatively unsettled power initial conditions.
Pass through said structure, bearing structure also consist of an integral body among by symmetrical strut air duct well being supported in bearing structure securely, bearing structure adopt steel truss structure to make assembling easier, symmetrical strut provides each support to stable equilibrium, and air duct well is owing to need not load-bearing, can adopt the reinforced concrete pipe splicing of prefabricate, greatly improve efficiency of construction and reduced difficulty of construction, also can guarantee the smooth standard of air duct well inwall, extremely be conducive to the high-power air flue well power station construction of highpressure, high flow rate.
Smooth-going upward flow in the air duct well enters baffler in the outlet port, disperse discharge by a plurality of exhaust ports that disperse in the baffler, no longer the atmosphere with the external world acutely bumps against, and makes exhaust more smooth and easy, and no longer produce exhaust noise, also reduced the direct impact to wind cat head end structure.
Below, at length further describe by reference to the accompanying drawings technical characteristics of the present invention by embodiment.
Description of drawings
Fig. 1 is the configured in one piece schematic representation according to a preferred embodiment of comprehensive energy duct well power station of the present invention;
Fig. 2 is the frame structure schematic representation according to the cross section of a preferred embodiment of the solar energy preheating chamber of comprehensive energy duct well power station of the present invention;
Fig. 3 is the wind generating unit cross-sectional schematic in power station of the present invention;
Fig. 4 is impeller schematic perspective view among Fig. 3;
Fig. 5 is compressor turbine schematic perspective view among Fig. 3;
Fig. 6 is a certain cross section of Fig. 1 apoplexy tower, shows the schematic representation of linkage structure;
Fig. 7 is the cross-sectional schematic of a preferred embodiment of the muffler structure in power station of the present invention.
Description of reference numerals: wind tower 10, load-bearing pylon 11, air duct well 12, bearing structure support ring 110, bearing structure tie point 111, air duct well support ring 120, air duct well tie point 121, wind generating unit supporting frame 122, baffler 13, conical end 131, exhaust port 132, end cap 133, hush pipe 134, exhaust port 135, solar energy preheating chamber 20, intake grill 21, thermal current passway 210, main wind passage 211, glass ceiling 22, perisporium 220, column 221, mirror surface 23, convergent lens 24, circulating heat-collecting tube 25, solar powered fluid heat collector 26, terrestrial heat pump 27, peak regulation system 30, distribution control device 31, gas holder 32, charge and discharge device 33, control cables 34, electric motor 35, air compressor 36, gas fan 37, air pressure motor 38, air duct 39, wind-driven generator 40, generator 401, impeller 402, compressor turbine 403, speed changer 404, culvert device inwall 405, culvert device outer wall 406, culvert device outlet 407, culvert device entrance 408, bracket for generator 409, culvert device diameter reducing part H, cable trunk 41, charging cable 42, pneumatic motor 43, allotment strut 50, inclined support bar 51.
Embodiment
Referring to Fig. 1, comprehensive energy duct well power station of the present invention, has a wind tower 10 perpendicular to ground, it load-bearing pylon 11 that comprises a steel frame construction or reinforced concrete construction around and support an air duct well 12, air duct well 12 base portions have four intake ducts, be surrounded with the solar energy preheating chamber 20 that can cover described intake duct around this base portion, it has the intake grill corresponding with described intake duct 21; Arrange in the air duct well 12 more than one with the wind-driven generator 40 of air flow drive device, by the cable in the cable trunk 41 that is arranged on air duct well 12 outsides electric power is exported; Solar energy preheating chamber 20 has transparent glass ceiling 22, and solar energy preheating chamber 20 is looped around the base portion of air duct well 12, and its glass ceiling 22 is higher than the intake duct of air duct well 12; Corresponding to this intake duct, four intake grills 21 of solar energy preheating chamber 20 peripheries are communicated in above-mentioned intake duct by a main wind passage 211 respectively; Referring to Fig. 2, the frame structure of solar energy preheating chamber 20 cross sections comprises the perisporium 220 that annular concentric is arranged, support by the column 221 perpendicular to ground, perisporium 220 forms several annular air-flow paths with the several layers of dividing plate that upper and lower interval arranges, and is provided with the perisporium 220 of three layers of concentric annular in the present embodiment, between each perisporium 220, except top, bottom surface, also be provided with two-layer dividing plate, form accordingly shellring shape passage, every layer is divided into three concentric ring shape passages by perisporium 220 again; Each annular pass all has the thermal current passway 210 that is communicated with main wind passage 211; In the present embodiment, each layer next door forms by convergent lens 24, and the place, focal position of convergent lens 24 is provided with the circulating heat-collecting tube 25 of connection, and circulating heat-collecting tube 25 is arranged along the annular pass, wherein is filled with the larger liquid of thermal capacity, for example water; The mirror surface 23 of the bottom surface of solar energy preheating chamber 20 for can inwardly flashing back the sunlight; Outside the solar energy preheating chamber 20, also be provided with roughly towards the solar powered fluid heat collector 26 of sunlight direction, for example, can adopt common solar water heater, it is connected with circulating heat-collecting tube 25, with the thermal-arrest medium in the further Heating Cyclic heat collecting pipe 25; Further, circulating heat-collecting tube 25 also is connected with the liquid cooling radiation system of air compressor 36 described later, the waste heat that produces when taking full advantage of pressurized air; Accordingly, air in the solar energy preheating chamber 20 becomes main circulating heat-collecting tube 25 Baking outs that pass through by traditional direct sunlight heating, has greatly improved the efficient of heating, can obtain the temperature higher than traditional approach, also further stablize the fluctuation of temperature with environmental change.In order to regulate owing to external environment changes, as round the clock, the four seasons, wind-force, rain or shine wait the generated energy peak valley that causes to change, power station of the present invention further comprises one group of peak adjusting device 30, it further comprises electric air compressor 36 and the charge and discharge device 33 that is connected to described wind-driven generator 40, for example be connected with the battery pack of management of charging and discharging device, all come management and running by a distribution control device 31, it belongs to known technology commonly used, needn't elaborate any further among the present invention.Air compressor is usually all with the sink of air cooling or liquid cooling, its working principle is as the conventional techniques means, and also it will not go into details in the present invention, according to preferred implementation of the present invention, employing has the air compressor of liquid-cooling heat radiator, is more conducive to the recycling of used heat.
Working principle of the present invention is as follows: when environment has good power generation conditions, unnecessary electric weight starts air compressor 36 to gas holder 32 inflations by the scheduling of distribution control device 31, simultaneously, power to charge and discharge device 33 by the charging cable 42 that is connected in wind-driven generator 40, preferably, this charge and discharge device 33 is the group storage battery with charging-discharging controller; When the power generation conditions of environment is not good, wind-driven generator 40 can't obtain enough driving-energies, peak adjusting device 30 is by the scheduling of distribution control device 31, make gas holder 32 provide power to being arranged in air duct well 12 more than one pneumatic motors 43, it is with machinery or the running of electric transmission mode auxiliary drive wind-driven generator, simultaneously, also can drive air pressure motor 38 by air duct 39 and drive gas fan 37 to main wind passage 211 additional air inlets with mechanical drive mode; Gas fan 37 also can be selected to drive electric motor 35 by control cables 34 by charge and discharge device 33 discharges in electronic mode and drive running.Further, in situation with good conditionsi, above-mentioned circulating heat-collecting tube 25 also can be connected on the terrestrial heat pump 27 of geothermal water heating system, replenishes the heat of thermal-arrest medium by geothermal water.
Referring to Fig. 3, the wind generating unit 40 coaxial central positions that are arranged at air duct well 12 are fixed on the inwall of air duct well 12 by several wind generating unit supporting frames 122.Wind generating unit 40 comprises the culvert device of a reducing, and it has a diameter reducing part H; One generator 401 is arranged in this culvert device; One is arranged at the minimum diameter place of diameter reducing part H in the described culvert device in order to drive the impeller 402 that generator 401 rotates, and is connected on the rotor shaft of generator 401; Described rotor shaft passes this generator 401, and its traversing through end is connected with a compressor turbine 403, and it is positioned at the air intake direction of described culvert device with respect to described impeller 402.The intake grill of culvert device, namely to export 407 bores identical for culvert device entrance 408 and culvert device, and its culvert device outer wall 406 is cylindrical.
Preferably, the inner outline of culvert device inwall 405 longitudinal section necking down position H is symmetrical hyperbola.
The coaxial as far as possible center portion that is arranged at air duct well 12 of wind generating unit 40, and its section area is not more than 50% of air duct well 12 section area, to the interference less of peripheral air-flow, be beneficial to the recovery of do work air-flow velocity and pressure, to ensure effective running of next stage electricity generating device.
Referring to Fig. 3-5, the composite structure integral body of impeller 402, generator 401, compressor turbine 403 is fixed on the duct wall by several brackets for generator 409, and all be included within the outer contour of described culvert device, be between culvert device entrance 408 and the culvert device outlet 407, can reduce to greatest extent the disturbance to peripheral air-flow.
Effective acting rotating speed of impeller 402 is lower with respect to the working speed of generator 401, is connected with the rotor shaft of generator 401 by a speed changer 404 in order to speedup, makes generator 401 obtain relatively high rotating speed.
Effective acting rotating speed of compressor turbine 403 is usually identical or higher with the working speed of generator 401, also need rotor shaft and between speed changer 404 be set come speedup, with effective rotating speed of adjusting compressor turbine 403.
The relatively simple frequency conversion permanent magnet generator of generator 401 preferred structures is so that safeguard and be easy to adapt to stable relatively not power initial conditions.
Referring to Fig. 6, air duct well 12 is positioned within these bearing structure 11 and is coaxial with these bearing structure 11; Air duct well 12 outer walls are provided with the air duct well support ring 120 that array is centered around air duct well 12 outer walls from top to bottom, and each is organized on the air duct well support ring 120 and is distributed with eight air duct well tie points 121 along even circumferential; The wall of bearing structure 11 also is provided with array bearing structure support ring 110 on corresponding to the position of described air duct well support ring 120, also be provided with equally distributed 12 bearing structure tie points 111 along circumference on the bearing structure support ring 110; Be connected with strut between air duct well tie point 121 and the contour bearing structure tie point 111, described strut one end is connected in air duct well tie point 121, the other end is connected in the bearing structure tie point 111 of bearing structure 11 walls, and each strut is symmetrical in the plane.Wherein, four symmetrical air duct well tie points 121 form a cross with corresponding four bearing structure tie points 111 by the four allotment struts 50 that radially distribute, and connect and compose the octagon structure of a symmetry between all the other tie points by inclined support bar 51.
In the wind tower structure of comprehensive energy duct well power station, described bearing structure 11 are steel truss structure or reinforced concrete construction; Described air duct well 12 is reinforced concrete construction, particularly preferably consists of with the assembly unit of prefabricated reinforced concrete pipe.
Further, described bearing structure 11 are enclosed with light composite board when adopting steel truss structure, except increase is attractive in appearance, also can reduce crosswind to the impact of air duct well 12.Preferably, described light composite board is color steel-polyurethane foam composite sheet.
In order to increase structural strength, described each support ring and strut all or one of, preferably consist of with i shaped steel.
Referring to Fig. 7, described baffler 13 has an end cap 133, is connected to wind tower 10 tops, has the exhaust port 132 of several scattering devices on this baffler 13.
The horizontal exhaust port 135 of offering on the adjacent hush pipe 134 setting of mutually staggering, that is the hole heart of each exhaust port 135 does not line up mutually.Preferably, three layers of hush pipe 134 are set.
Have a hollow cone end 131 on the baffler 13, several exhaust ports 132 are arranged on the conical surface of this conical end 131.
The area summation of the exhaust port 135 on every layer of hush pipe is all more than or equal to the outlet cross-section area of air duct well 12.
The shape of exhaust port 135 also can adopt slot structure except circular hole, the line of rabbet joint of each layer is staggered mutually, directly passes simultaneously adjacent hush pipe 134 to avoid air-flow.
Usually, the top of conical end 131 is provided with lightning arrester, also caution, telltale can be set as required.
Claims (10)
1. comprehensive energy duct well power station, comprise that one is provided with the air duct well (12) of several intake ducts perpendicular to ground and at base portion, be surrounded with around the described base portion that the bottom surface flushes with the air duct well bottom surface and end face is higher than the solar energy preheating chamber (20) of described intake duct; Wind-driven generator (40) with air flow drive device is set in the described air duct well (12) more than one; It is characterized in that: described solar energy preheating chamber (20) has heat-collecting devcie, and is used for the optical block of solar ray collecting to heat-collecting devcie; One peak adjusting device (30) comprises the electric air compressor (36), charge and discharge device (33) and the distribution control device (31) that are connected to described wind-driven generator (40); This air compressor (36) is connected by pipeline with one group of gas holder (32); The periphery of described solar energy preheating chamber (20) is provided with the intake grill (21) corresponding to described intake duct, and it is communicated in above-mentioned intake duct by main wind passage (211).
2. described comprehensive energy duct well power station according to claim 1, it is characterized in that: this intake grill (21) locates also to be provided with the gas fan (37) to the interior force feed air of this solar energy preheating chamber (20).
3. described comprehensive energy duct well power station according to claim 1, it is characterized in that: the end face of described solar energy preheating chamber (20) is transparent glass ceiling (22), described bottom surface is can be with the mirror surface (23) of light to internal reflection.
4. according to claim 1 or 3 described comprehensive energy duct well power stations, it is characterized in that: described solar energy preheating chamber (20) comprises three layers of perisporium (220) that annular concentric is arranged, form the clearance space of three groups of concentric annular, every group of described clearance space is again by described end face, bottom surface, and the two-layer baffle for separating that is made of optical block between end face, bottom surface becomes three layers; Each annular pass all has the thermal current passway (210) that is communicated with main wind passage (211).
5. described comprehensive energy duct well power station according to claim 4, it is characterized in that: described optical block is convergent lens (24).
6. described comprehensive energy duct well power station according to claim 5, it is characterized in that: described heat-collecting devcie is for being communicated with and being full of the circulating heat-collecting tube (25) of liquid thermal-arrest medium.
7. described comprehensive energy duct well power station according to claim 6, it is characterized in that: also be provided with solar powered fluid heat collector (26) outside the described solar energy preheating chamber (20), it is connected in described circulating heat-collecting tube (25).
8. described comprehensive energy duct well power station according to claim 6, it is characterized in that: described circulating heat-collecting tube (25) also is connected in the liquid cooling heat radiation system of air compressor (36).
9. described comprehensive energy duct well power station according to claim 6, it is characterized in that: described circulating heat-collecting tube (25) also is connected in the terrestrial heat pump (27) of geothermal water heating system.
10. described comprehensive energy duct well power station according to claim 1, it is characterized in that: be arranged at described air duct well (12) for the pneumatic motor (39) that drives described wind-driven generator (40) more than one, and be connected in described gas holder (33); Described pneumatic motor (39) is connected in described wind-driven generator (40) by machinery or electric actuator.
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| CN105134499B (en) * | 2015-09-15 | 2018-04-20 | 戚荣生 | The noise reduction air intake duct of solar heat air-flow vertical axis power generation |
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