CN1587690A - Building method for solar energy chimney generator - Google Patents
Building method for solar energy chimney generator Download PDFInfo
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- CN1587690A CN1587690A CNA2004100730481A CN200410073048A CN1587690A CN 1587690 A CN1587690 A CN 1587690A CN A2004100730481 A CNA2004100730481 A CN A2004100730481A CN 200410073048 A CN200410073048 A CN 200410073048A CN 1587690 A CN1587690 A CN 1587690A
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/30—Wind power
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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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
This invention discloses a building method of solar energy funnel electricity-generating device. This solar energy funnel electricity-generating device consists of the heat-adding shed, solar funnel and the spiral generator unit. Building the heat-collecting shed on the bevel face of the slope is benefit to direct at the sun, to enlarge the effective surface that the heat-collecting shed can obtain the sun rays, to enhances the efficiency. Fixing the solar energy funnel on the top of slope, can improve the height of the funnel with no or little building cost, and improve the efficiency of the system and reduce the electricity generating cost of system. The top of the heat-collecting shed communicated with the bottom of the funnel, the floor of the heat-collecting shed paves stones evenly or insulating layer. Paving insulating layer can obtain large quantity of electricity generation and apply to merge and synchronize two or more power grids. Paving stones and part-dividing of heat-collecting shed can obtain the regular quantity of electricity generating. This device can be used as an independent electricity-supplying system.
Description
Technical field
The present invention relates to field of solar thermal power generation, particularly a kind of building method of solar energy chimney generator.
Background technique
The new technology that the solar chimney generation technology is had an optimistic view of by many energy experts.The imagination of building the solar chimney power station is to be proposed by professor Qiao Genshilaiqi from Universitaet Stuttgart.The solar chimney power generation system is made of solar energy heating canopy, solar chimney and 3 substantial sections of turbine generation unit.The solar energy heating canopy build that solar irradiance is strong in, on the reasonable soil of heat-insulating property; There is certain interval on thermal-arrest canopy and ground, can allow surrounding atmosphere enter system; Tall and big chimney is being adorned at thermal-arrest canopy center overhead a distance, in chimney bottom turbo machine is housed.Solar light irradiation thermal-arrest canopy, soil below the thermal-arrest canopy absorbs and sees through tectal solar radiant energy, and the air between heating soil and the thermal-arrest canopy coating, make air temperature rising density decline in the thermal-arrest canopy, and rise along chimney, cool air around the thermal-arrest canopy enters system, flows thereby form air circulation.Because the space in the thermal-arrest canopy is enough big, when the air stream in the thermal-arrest canopy arrives chimney bottom, in chimney, will form powerful air-flow, utilize the powerful air-flow of this strand to promote to be contained in the turbo machine drive generator for electricity generation of chimney bottom.
The data-searching technology related to the present invention of carrying out through the claimant has following several pieces:
F.P. the 2nd, 307 has provided a kind of solar chimney No. 982, and around the pond of annular, the pond plays a part heat absorption and heat accumulation around its chimney.The air-flow that utilizes heat exchange to form promotes to be contained in the turbo machine drive generator for electricity generation of chimney bottom.
F.P. the 2nd, 436 has provided a kind of solar chimney No. 268, and it constitutes hotair chamber by the solar panels around the chimney base portion, and the turbo machine that promotes to be contained in chimney bottom drives generator for electricity generation.
U. S. Patent the 4th, provided a kind of solar chimney 452, No. 046, it is connected with an independent water temperature chamber (hydric hothouse) at least, hot air on each water temperature chamber water surface in chimney, promotes to be contained in the turbo machine drive generator for electricity generation of chimney bottom by line transportation.
Chinese patent 94190117.3 has provided a kind of solar chimney, but it utilizes evaporation zone evaporation of water in the solar collector to improve the temperature and humidity of the air that flows through turbo machine, to improve system effectiveness.
In above-mentioned known solar chimney, be large-area solar air heat collection canopy near the horizontal plane layout around the chimney, the air in the thermal-arrest canopy is heated, and thermal air current is to the chimney of central authorities, promote the wind turbine running of chimney bottom, turbo machine drives generator for electricity generation.The big more system of the thermal-arrest canopy area generated output of this power generation system is big more, the high more system of chimney generating efficiency is high more, and the prime cost of system is large-area thermal-arrest canopy and tall and big chimney, the sunlight that the thermal-arrest canopy of horizontal arrangement is intercepted and captured in high latitude area unit's heat-collecting area is less, thereby thermal efficiency is lower, especially in the winter time.Improve the area that thermal efficiency can reduce the thermal-arrest canopy, the effective height that improves chimney can improve system effectiveness, improves the area that system effectiveness also can reduce the thermal-arrest canopy, also just can reduce system cost.
Summary of the invention
The objective of the invention is to, a kind of building method of solar energy chimney generator is provided, this solar energy chimney generator is made up of solar energy heating canopy, solar chimney and the turbine generation unit that is installed in the solar chimney; It is characterized in that, may further comprise the steps:
1) above-mentioned thermal-arrest canopy is built on the inclination sunny side natural slope, solar chimney is built on the top, slope on slope, and the top of thermal-arrest canopy is communicated with the bottom of solar chimney, and the turbine generation unit is installed in the bottom of solar chimney;
2) the thermal-arrest canopy is made of ground under transparent covering layer, the transparent covering layer and the above two intermediate air interlayers, transparent covering layer is made up of steel structure frame and the transparent cover plate that is fastened on the framework, coating is glass or other clear sheet, the air blanketing of thermal-arrest canopy is divided into and is not less than 2 thermal-arrest districts, the top in each thermal-arrest district near the chimney ingress be provided with can switch door;
3) ground, thermal-arrest district of thermal-arrest canopy is paved with stone or thermal insulating warm-keeping layer equably; The upper surface of stone is coated with the solar energy heat absorbing coating of black, and the heat absorption plate of the solar energy heat absorbing coating of spray black is arranged on the thermal insulating warm-keeping layer;
4) each thermal-arrest district of thermal-arrest canopy forms a thermal-arrest air-flow path, and air-flow enters from low end entrance, rises along the thermal-arrest passage in this heating back, thermal-arrest district, enters chimney bottom at last, promotes to be installed in the turbine generation unit generating of chimney bottom.
Characteristics of the present invention are: at high latitude area, with helping over against the sun on the thermal-arrest canopy construction tailo face, can increase the useful area that the thermal-arrest canopy is intercepted and captured sunlight over against the sun, thereby improve the thermal efficiency of thermal-arrest canopy; Slope top build chimney do not increase or the prerequisite that adds construction cost that reduces under improved the effective height of chimney, the effective height that improves chimney just can improve system effectiveness, and then the cost of electricity-generating of reduction system.The thermal-arrest canopy of subregion adds that the stone energy storage makes the device energy can dispatch use, and device can be used as autonomous power supply system and uses.The ground of employing thermal-arrest canopy is paved with thermal insulating warm-keeping layer equably and can obtains maximum generating watt, can be used for generating electricity by way of merging two or more grid systems.
Description of drawings
Fig. 1 is the side cutaway view of solar chimney power generation system of the present invention;
Fig. 2 is the sunny side front view of Fig. 1.
Fig. 3 is the sunny side front view according to another embodiment of solar chimney power generation system of the present invention.
Fig. 4 is the structural representation of installing according to the chimney bottom turbogenerator of solar chimney power generation system of the present invention.
The present invention is described in further detail below in conjunction with embodiment that accompanying drawing and inventor provide.
Embodiment
Fig. 1 is the side cutaway view according to solar chimney power generation system of the present invention; Fig. 2 is the sunny side front view of Fig. 1.
Comprise solar energy heating canopy 2, solar chimney 1 and be installed in turbine generation unit 3 in the solar chimney 1, thermal-arrest canopy 2 is built on the inclination sunny side natural grade of high latitude area, thermal-arrest canopy 2 can be divided into and is not less than 2 thermal-arrest districts, each thermal-arrest district be equipped with can switch door, the ground in thermal-arrest district is paved with stone equably, and the upper surface of stone is coated with the solar energy heat absorbing coating of black; Solar chimney 1 is built on the top, slope, to improve the effective height of solar chimney.The top of thermal-arrest canopy 2 is communicated with the bottom of solar chimney 1, and the turbine generation unit is installed in the bottom of solar chimney.
Fig. 2 is the sunny side front view according to solar chimney power generation system embodiment of the present invention.
Thermal-arrest canopy 2 is made of ground under transparent covering layer, the coating and the above two intermediate air interlayers, coating is made up of steel structure frame and the transparent cover plate that is fastened on the framework, coating is glass or other clear sheet, the ground in thermal-arrest district is paved with stone equably, the upper surface of stone is coated with the solar energy heat absorbing coating of black, and stone has the double action of heat absorption and heat accumulation.The air blanketing of thermal-arrest canopy can be divided into steel plate or other sheet material and be not less than 2 thermal-arrest districts, each thermal-arrest district forms a thermal-arrest air-flow path, air-flow can enter from low end entrance, rise along the thermal-arrest passage in this heating back, thermal-arrest district, enter the bottom of solar chimney 1 at last, the top in each thermal-arrest district near the chimney ingress be provided with can switch door 9, thermal-arrest canopy 2 subregions can make the system capacity scheduling use, under the situation that does not have other energy storage measure, system can be used as autonomous power supply system and uses.
Stone in the thermal-arrest canopy 2 can be substituted by the container of filling water.
Thermal-arrest canopy 2 flare from top to bottom opens, bottom area is the bigger the better, concrete shape is decided according to local landform pattern, the heat-collecting area size of the thermal-arrest canopy of the above solar energy chimney generator of generated output 50KW is by following formula estimation (unit for square metre): generated output (unit is KW) * area coefficient, the area coefficient value in from 50KW to 10MW generated output scope is 600 to 100.
Above-mentioned thermal-arrest canopy low side entrance height is 1～2 meter, the sectional area of high-end outlet should be greater than long-pending 1.5 times in stack cross section, the height of high-end outlet is by the decision of its sectional area, and the height of intermediate portion is principle with its sectional area greater than long-pending 1.5 times in stack cross section, and is not less than entrance height.
Solar chimney is built the top on slope in, and the bottom of chimney is communicated with the upper end of thermal-arrest canopy, and the hot air flow of thermal-arrest canopy can directly enter chimney, and chimney is built into cement, brick (stone), also can directly be welded with steel plate; The sectional area of chimney size multiply by coefficient 2～0.5 for generated output (unit is KW), and the generated output sectional area coefficient of smokestack more is more little; The height of chimney is restricted by the geological state at top, slope, and the condition lower stack that allows in geology is high more good more, is determined jointly by generated output, construction cost.
The generated output of above-mentioned solar energy chimney generator (W) is estimated by following formula:
The unit of heat-collecting area * (height+ramp height of chimney) * coefficient heat-collecting area is m
2, the unit of height is m, and coefficient gets 0.005～0.01, and the big more coefficient of power is big more.
The position that the turbine engine group is installed in the solar chimney bottom is designed to guide air flows, reduces turbulent flow guide structure.
Wind turbine and the vertical generator of installing that the turbine generation unit is installed by level are formed; directly connect by coupling shaft between turbo machine and the generator or connect by gear up mechanism; the outside of generator is equipped with the air conducting cover to the turbo machine root; the air conducting cover plays the guiding air flows, reduces the effect of mechanical mechanisms such as turbulent flow and protection generator; the air conducting cover is mixed by glass fibre reinforced plastics or cement brick and constitutes; air guide sleeve has the movable part that can open, is convenient to the installation and the maintenance of internal mechanical part.
In the present embodiment, thermal-arrest canopy 2 is divided into and is no less than 2 thermal-arrest districts, the top in each thermal-arrest district be equipped with can switch door 9.The ground in thermal-arrest district is paved with stone equably, and the upper surface of stone is coated with the solar energy heat absorbing coating of black, and stone has the double action of heat absorption and heat accumulation.Present embodiment can be used as autonomous power supply system and uses.
The another kind of application form of above-mentioned solar energy chimney generator is, the suction port of turbo machine therein be equipped with can switch door, the thermal-arrest canopy is subregion not, the ground of thermal-arrest canopy is paved with thermal insulating warm-keeping layer equably, it on thermal insulation layer the heat absorption plate that is coated with the solar energy heat absorbing coating of black, this system can obtain maximum generating watt, can be used for generating electricity by way of merging two or more grid systems.
In another embodiment, chimney 5 is built the top on slope 8 in, thermal-arrest canopy 6 is built according to slope 8, its top is communicated with the bottom of chimney, rise along the thermal-arrest canopy at 6 li heated air of thermal-arrest canopy, enter chimney 5 and form powerful upward flow, this air-flow promotes to be installed in wind turbine 7 rotations of chimney 5 bottoms, and turbo machine drives generator for electricity generation.The suction port of turbo machine 7 be equipped with can switch door 10.Thermal-arrest canopy 6 is subregion not, and the ground of thermal-arrest canopy is paved with thermal insulating warm-keeping layer equably, is the heat absorption plate that is coated with the solar energy heat absorbing coating of black on thermal insulation layer, and present embodiment can obtain maximum generating watt, can be used for generating electricity by way of merging two or more grid systems.
Fig. 4 is the structural representation of installing according to the chimney bottom turbogenerator of solar chimney power generation system of the present invention, the flow guide structure 13 that the bottom design of chimney 11 has can be guided air flows, reduce turbulent flow, wind turbine 12 levels are installed in the top of the generator 15 of vertical installation, generator 15 is fixed on the ground, and the outside of generator 15 is equipped with air guide sleeve 14 to the root of wind turbine 12.
Claims (3)
1. the building method of a solar energy chimney generator, this solar energy chimney generator is made up of solar energy heating canopy, solar chimney and the turbine generation unit that is installed in the solar chimney; It is characterized in that, may further comprise the steps:
1) the thermal-arrest canopy is built on the inclination sunny side natural slope, solar chimney is built on the top, slope on slope, and the top of thermal-arrest canopy is communicated with the bottom of solar chimney, and the turbine generation unit is installed in the bottom of solar chimney;
2) the thermal-arrest canopy is made of ground under transparent covering layer, the transparent covering layer and the above two intermediate air interlayers, transparent covering layer is made up of steel structure frame and the transparent cover plate that is fastened on the framework, coating is glass or other clear sheet, the air blanketing of thermal-arrest canopy is divided into and is not less than 2 thermal-arrest districts, the top in each thermal-arrest district near the chimney ingress be provided with can switch door;
3) ground, thermal-arrest district of thermal-arrest canopy is paved with stone or thermal insulating warm-keeping layer equably; The upper surface of stone is coated with the solar energy heat absorbing coating of black, is coated with the heat absorption plate of the solar energy heat absorbing coating of black on the thermal insulating warm-keeping layer;
4) each thermal-arrest district of thermal-arrest canopy forms a thermal-arrest air-flow path, and air-flow enters from low end entrance, rises along the thermal-arrest passage in this heating back, thermal-arrest district, enters chimney bottom at last, promotes to be installed in the turbine generation unit generating of chimney bottom.
2. the building method of solar energy chimney generator as claimed in claim 1 is characterized in that, the stone in the described thermal-arrest district can be substituted by the container of filling water.
3. the building method of the described solar energy chimney generator of claim 1, it is characterized in that, described thermal-arrest canopy low side entrance height is 1～2 meter, the sectional area of high-end outlet is greater than long-pending 1.5 times in stack cross section, the height of high-end outlet is by its sectional area decision, the height of intermediate portion greater than long-pending 1.5 times in stack cross section, and is not less than entrance height with its sectional area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100730481A CN1587690A (en) | 2004-09-02 | 2004-09-02 | Building method for solar energy chimney generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100730481A CN1587690A (en) | 2004-09-02 | 2004-09-02 | Building method for solar energy chimney generator |
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| CN1587690A true CN1587690A (en) | 2005-03-02 |
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| CNA2004100730481A Pending CN1587690A (en) | 2004-09-02 | 2004-09-02 | Building method for solar energy chimney generator |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100387834C (en) * | 2006-06-22 | 2008-05-14 | 河北农业大学 | Solar energy ventilation device |
| WO2009018632A2 (en) * | 2007-08-09 | 2009-02-12 | Todor Todorov | Solar thermodynamic power station |
| CN101556049A (en) * | 2008-04-08 | 2009-10-14 | 皮塔雅·杨皮契特 | Solar chimney with external solar thermal collector |
| ITPO20080013A1 (en) * | 2008-10-16 | 2010-04-17 | Giuseppe Guanci | SYSTEM FOR THE PRODUCTION OF ENERGY FROM RENEWABLE SOURCES |
| CN101033732B (en) * | 2006-04-07 | 2010-05-26 | 沈晓莉 | Mountain massif shaft-well chimney highly effective solar energy hot gas flow generating system |
| WO2010078723A1 (en) * | 2009-01-08 | 2010-07-15 | Peng Michael | Air current generating system and method |
| CN102322410A (en) * | 2011-05-21 | 2012-01-18 | 张维智 | Method of forming hot air by using solar energy to generate power |
| CN101487452B (en) * | 2009-02-14 | 2012-08-15 | 包头市爱能控制工程有限责任公司 | Method for wind-light mixed power generation or wind power generation |
| CN102758733A (en) * | 2012-06-28 | 2012-10-31 | 华中科技大学 | Air channel device for chimney air draft equipment |
| CN105888993A (en) * | 2016-04-12 | 2016-08-24 | 殷翠萍 | Solar chimney power generation system |
| CN109611286A (en) * | 2018-12-05 | 2019-04-12 | 青海大学 | One kind having dust-proof, self-cleaning solar heat air-flow chimney generator and method |
-
2004
- 2004-09-02 CN CNA2004100730481A patent/CN1587690A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101033732B (en) * | 2006-04-07 | 2010-05-26 | 沈晓莉 | Mountain massif shaft-well chimney highly effective solar energy hot gas flow generating system |
| CN100387834C (en) * | 2006-06-22 | 2008-05-14 | 河北农业大学 | Solar energy ventilation device |
| WO2009018632A2 (en) * | 2007-08-09 | 2009-02-12 | Todor Todorov | Solar thermodynamic power station |
| WO2009018632A3 (en) * | 2007-08-09 | 2009-08-06 | Todor Todorov | Solar thermodynamic power station |
| CN101556049A (en) * | 2008-04-08 | 2009-10-14 | 皮塔雅·杨皮契特 | Solar chimney with external solar thermal collector |
| ITPO20080013A1 (en) * | 2008-10-16 | 2010-04-17 | Giuseppe Guanci | SYSTEM FOR THE PRODUCTION OF ENERGY FROM RENEWABLE SOURCES |
| WO2010078723A1 (en) * | 2009-01-08 | 2010-07-15 | Peng Michael | Air current generating system and method |
| CN101487452B (en) * | 2009-02-14 | 2012-08-15 | 包头市爱能控制工程有限责任公司 | Method for wind-light mixed power generation or wind power generation |
| CN102322410A (en) * | 2011-05-21 | 2012-01-18 | 张维智 | Method of forming hot air by using solar energy to generate power |
| CN102322410B (en) * | 2011-05-21 | 2013-04-17 | 张维智 | Method of forming hot air by using solar energy to generate power |
| CN102758733A (en) * | 2012-06-28 | 2012-10-31 | 华中科技大学 | Air channel device for chimney air draft equipment |
| CN105888993A (en) * | 2016-04-12 | 2016-08-24 | 殷翠萍 | Solar chimney power generation system |
| CN109611286A (en) * | 2018-12-05 | 2019-04-12 | 青海大学 | One kind having dust-proof, self-cleaning solar heat air-flow chimney generator and method |
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