CN102926954A - Tower type thermal generation system and method with air heat absorbing medium - Google Patents
Tower type thermal generation system and method with air heat absorbing medium Download PDFInfo
- Publication number
- CN102926954A CN102926954A CN2012104494961A CN201210449496A CN102926954A CN 102926954 A CN102926954 A CN 102926954A CN 2012104494961 A CN2012104494961 A CN 2012104494961A CN 201210449496 A CN201210449496 A CN 201210449496A CN 102926954 A CN102926954 A CN 102926954A
- Authority
- CN
- China
- Prior art keywords
- air
- heat absorber
- high temperature
- steam generating
- generating system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
Abstract
The invention provides a tower type thermal generation system and a method with an air heat absorbing medium. The tower type thermal generation system with the air heat absorbing medium comprises a heliostat, a steam generating system, a steam turbine generator unit and a heat absorber which is arranged on the tower top of a tower rack. The heliostat is arranged on the periphery of the tower rack, and a reflector is arranged on the inner wall of the heat absorber. The heat absorber is composed of an air inlet, a light inlet and an air outlet. The air outlet of the heat absorber is connected with an inlet of the steam generating system through an output pipeline. An outlet of the steam generating system is connected with the steam turbine generating unit. Air is adopted as a heat absorbing medium and a heat transfer medium, so that the tower type thermal generation system and the method with the air heat absorbing medium have the advantages of being simple in operation and maintenance, environmental friendly, low in cost, and the like because the problems such as decomposition or corrosion which are brought by phase change do not exist in air.
Description
Technical field
The present invention relates to a kind of power generation system, be specifically related to a kind of tower type thermal generation system and method that adopts the air heat-absorbing medium.
Background technique
Existing tower type thermal generation system adopts fused salt as heat-absorbing medium usually, and is concrete, and heat absorber is installed on the high tower top, and fused salt is placed on heat absorber inside, at several heliostats of arranged around of high tower; Its working procedure is: solar beam converges to the heat absorber surface through the reflection of heliostat with light, and through after the transformation of energy, solar energy is converted into heat energy, is absorbed by the fused salt of heat absorber inside; Change fluid state into after the fused salt heat absorption, the fused salt of then exporting fluid state carries out follow-up Conversion of Energy and utilization.
But, when adopting fused salt as heat-absorbing medium, decompose and etching problem when having high temperature owing to fused salt, and also there are the problems such as cleaning difficulty in the inner fused salt of heat absorber, thereby have limited the extensive use of the tower type thermal generation system take fused salt as heat-absorbing medium.
Summary of the invention
Defective for the prior art existence, the invention provides a kind of tower type thermal generation system and method that adopts the air heat-absorbing medium, because heat-absorbing medium adopts air, so, there are not the problems such as the decomposition that brings because of phase transformation or corrosion, have the advantages such as operation maintenance is simple, environmental protection.
The technical solution used in the present invention is as follows:
The invention provides a kind of tower type thermal generation system that adopts the air heat-absorbing medium, comprise heliostat, steam generating system, Turbo-generator Set and be installed in the heat absorber of the cat head of pylon; Described heliostat be installed in described pylon around, the inwall of described heat absorber is installed reflector, described heat absorber comprises intake grill, light inlet and exhaust outlet; The exhaust outlet of described heat absorber is connected to the import of described steam generating system by output pipeline; The outlet of described steam generating system is connected to described Turbo-generator Set.
Preferably, in described output pipeline inside the mixing grid is installed.
The present invention also provides a kind of method of using the tower type thermal generation system of above-mentioned employing air heat-absorbing medium, may further comprise the steps:
S1, solar beam converge to the light inlet of described heat absorber through the reflection of heliostat;
S2, the solar beam that is converged to described light inlet passes described light inlet and arrives the inside of described heat absorber and the air that heating is positioned at described heat absorber inside, obtains high temperature air;
S3, described high temperature air is transported to described steam generating system by described output pipeline, and described high temperature air heats water in the described steam generating system as thermal source, obtains superheated vapor;
S4, described superheated vapor drive described Turbo-generator Set generating.
Preferably, S2 is specially:
The solar beam that is converged to described light inlet passes after the inside that described light inlet arrives described heat absorber, mode by described reflector Multi reflection heats the air that is positioned at described heat absorber inside to described solar beam in described heat absorber inside, obtains high temperature air.
Preferably, among the S3, described high temperature air is transported to described steam generating system by described output pipeline and is specially:
Described high temperature air fully is mixed to get the uniform high temperature air of temperature under the effect of described mixing grid, and then the uniform high temperature air of described temperature is transported to described steam generating system.
Beneficial effect of the present invention is as follows:
The breakthrough employing air of the present invention is as heat absorption and heat transfer medium, because there are not the problems such as the decomposition that brings because of phase transformation or corrosion in air, thereby has that operation maintenance is simple, an environmental protection, the advantage such as with low cost.In addition, at the heat absorber inwall reflector is installed, has been prolonged the light path of solar beam in heat absorber inside, thereby made the air of the more abundant effective heating heat absorber of solar beam inside, improved the utilization ratio of sunlight.
Description of drawings
Fig. 1 is the structural representation of the tower type thermal generation system of employing air heat-absorbing medium provided by the invention;
Wherein, the 1---sun; The 2---heliostat; The 3---heat absorber; The 31---light inlet; The 32---intake grill; The 33---exhaust outlet; The 4---output pipeline; 41---mixing grid; The 5---steam generating system; The 6---Turbo-generator Set; The 7---chimney.
Embodiment
The present invention is described in detail below in conjunction with accompanying drawing:
As shown in Figure 1, the invention provides a kind of tower type thermal generation system that adopts the air heat-absorbing medium, comprise heliostat, steam generating system, Turbo-generator Set and be installed in the heat absorber of the cat head of pylon; Described heliostat be installed in described pylon around, the inwall of described heat absorber is installed reflector, described heat absorber comprises intake grill, light inlet and exhaust outlet; The exhaust outlet of described heat absorber is connected to the import of described steam generating system by output pipeline; The outlet of described steam generating system is connected to described Turbo-generator Set.Wherein, in described output pipeline inside the mixing grid is installed.
Use said system, the present invention also provides a kind of method of using the tower type thermal generation system of above-mentioned employing air heat-absorbing medium, may further comprise the steps:
S1, solar beam converge to the light inlet of heat absorber through the reflection of heliostat;
S2, the solar beam that is converged to described light inlet passes described light inlet and arrives the inside of described heat absorber and the air that heating is positioned at described heat absorber inside, obtains high temperature air;
In this step, the solar beam that is converged to described light inlet passes after the inside that described light inlet arrives described heat absorber, mode by described reflector Multi reflection heats the air that is positioned at described heat absorber inside to described solar beam in described heat absorber inside, obtains high temperature air.
By at the inner reflector of installing of heat absorber, can effectively prolong solar beam at the light path of heat absorber inside, thereby make the air of the more abundant effective heating heat absorber of solar beam inside, improved the utilization ratio of sunlight.
S3, described high temperature air is transported to described steam generating system by described output pipeline, and described high temperature air heats water in the described steam generating system as thermal source, obtains superheated vapor;
In this step, described high temperature air is transported to described steam generating system by described output pipeline and is specially:
Described high temperature air fully is mixed to get the uniform high temperature air of temperature under the effect of described mixing grid, and then the uniform high temperature air of described temperature is transported to described steam generating system.
S4, described superheated vapor drive described Turbo-generator Set generating.
Traditional tower type thermal generation system adopts fused salt as heat absorption and heat transfer medium usually, mainly have following shortcoming: there is the problem of pyrolysis and corrosion heat absorber in (1) fused salt, therefore, when using fused salt, associated materials need to have high temperature resistant and corrosion resistant characteristic, thereby increased the cost of whole heat generating system, reduced the reliability of whole heat generating system; (2) there is the problem that low temperature solidifies in fused salt, when equipment when shutting down night, solidify for preventing fused salt, need to take Insulation to the fused salt storage tank, thereby increase the power consumption of whole system.
And among the present invention, breakthrough employing air is as heat absorption and heat transfer medium, thereby effectively overcome above-mentioned shortcoming, because there are not the problems such as the decomposition that brings because of phase transformation or corrosion in air, thereby had that operation maintenance is simple, an environmental protection, the advantage such as with low cost.In addition, at the heat absorber inwall reflector is installed, has been prolonged the light path of solar beam in heat absorber inside, thereby made the air of the more abundant effective heating heat absorber of solar beam inside, improved the utilization ratio of sunlight.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be looked protection scope of the present invention.
Claims (5)
1. a tower type thermal generation system that adopts the air heat-absorbing medium is characterized in that, comprises heliostat, steam generating system, Turbo-generator Set and is installed in the heat absorber of the cat head of pylon; Described heliostat be installed in described pylon around, the inwall of described heat absorber is installed reflector, described heat absorber comprises intake grill, light inlet and exhaust outlet; The exhaust outlet of described heat absorber is connected to the import of described steam generating system by output pipeline; The outlet of described steam generating system is connected to described Turbo-generator Set.
2. the tower type thermal generation system of employing air heat-absorbing medium according to claim 1 is characterized in that, in described output pipeline inside the mixing grid is installed.
3. the method for the tower type thermal generation system of each described employing air heat-absorbing medium of application rights requirement 1-2 is characterized in that, may further comprise the steps:
S1, solar beam converge to the light inlet of described heat absorber through the reflection of heliostat;
S2, the solar beam that is converged to described light inlet passes described light inlet and arrives the inside of described heat absorber and the air that heating is positioned at described heat absorber inside, obtains high temperature air;
S3, described high temperature air is transported to described steam generating system by described output pipeline, and described high temperature air heats water in the described steam generating system as thermal source, obtains superheated vapor;
S4, described superheated vapor drive described Turbo-generator Set generating.
4. method according to claim 3 is characterized in that, S2 is specially:
The solar beam that is converged to described light inlet passes after the inside that described light inlet arrives described heat absorber, mode by described reflector Multi reflection heats the air that is positioned at described heat absorber inside to described solar beam in described heat absorber inside, obtains high temperature air.
5. method according to claim 3 is characterized in that, among the S3, described high temperature air is transported to described steam generating system by described output pipeline and is specially:
Described high temperature air fully is mixed to get the uniform high temperature air of temperature under the effect of described mixing grid, and then the uniform high temperature air of described temperature is transported to described steam generating system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210449496.1A CN102926954B (en) | 2012-11-12 | 2012-11-12 | Tower type thermal generation system and method with air heat absorbing medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210449496.1A CN102926954B (en) | 2012-11-12 | 2012-11-12 | Tower type thermal generation system and method with air heat absorbing medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102926954A true CN102926954A (en) | 2013-02-13 |
| CN102926954B CN102926954B (en) | 2015-05-06 |
Family
ID=47641851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210449496.1A Expired - Fee Related CN102926954B (en) | 2012-11-12 | 2012-11-12 | Tower type thermal generation system and method with air heat absorbing medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102926954B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507198A (en) * | 2018-02-08 | 2018-09-07 | 常州大学 | A kind of photo-thermal power generation high-temp solid hold over system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5904138A (en) * | 1994-05-20 | 1999-05-18 | L. & C. Steinmuller Gmbh | Method for generating steam with concentrated solar radiation and solar apparatus therefor |
| CN1804502A (en) * | 2006-01-23 | 2006-07-19 | 杜培俭 | Electricity generating, air conditioning and heating apparatus utilizing natural medium and solar energy or waste heat |
| CN102165269A (en) * | 2008-09-25 | 2011-08-24 | 索尔法斯特私人有限公司 | Solar collector |
| DE102011004271A1 (en) * | 2011-02-17 | 2012-08-23 | Siemens Aktiengesellschaft | Solar-thermal continuous steam generator for use in solar tower-power plant utilized to generate electricity, has steam generator pipe whose flow cross-section and passage area are varied in flow direction of medium to be evaporated |
-
2012
- 2012-11-12 CN CN201210449496.1A patent/CN102926954B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5904138A (en) * | 1994-05-20 | 1999-05-18 | L. & C. Steinmuller Gmbh | Method for generating steam with concentrated solar radiation and solar apparatus therefor |
| CN1804502A (en) * | 2006-01-23 | 2006-07-19 | 杜培俭 | Electricity generating, air conditioning and heating apparatus utilizing natural medium and solar energy or waste heat |
| CN102165269A (en) * | 2008-09-25 | 2011-08-24 | 索尔法斯特私人有限公司 | Solar collector |
| DE102011004271A1 (en) * | 2011-02-17 | 2012-08-23 | Siemens Aktiengesellschaft | Solar-thermal continuous steam generator for use in solar tower-power plant utilized to generate electricity, has steam generator pipe whose flow cross-section and passage area are varied in flow direction of medium to be evaporated |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507198A (en) * | 2018-02-08 | 2018-09-07 | 常州大学 | A kind of photo-thermal power generation high-temp solid hold over system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102926954B (en) | 2015-05-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101476789B (en) | Heat storage and heat supply system used for solar heat collection equipment and its operation method | |
| CN203177503U (en) | Fused salt heat storage heat exchange device for solar energy photothermal power generation | |
| CN102635462A (en) | Heat storage temperature control device of solar disc-type Sterling engine | |
| WO2019080809A1 (en) | Solar thermal-biomass power generating system | |
| CN102418679A (en) | Solar energy and exogenous steam complementary power generation equipment | |
| CN103161702A (en) | Solar heat multistage power generation system | |
| CN202280589U (en) | Solar energy and biomass energy complementary combined thermal power generation device | |
| CN201661433U (en) | Condensing solar power generation system | |
| CN102926954B (en) | Tower type thermal generation system and method with air heat absorbing medium | |
| CN203081668U (en) | Novel tower type solar electric power generating system | |
| CN205316705U (en) | Slot type solar energy collection energy memory | |
| CN103953909A (en) | Distributed all-weather solar steamer set | |
| CN103390673A (en) | Groove type light-gathering photoelectricity and thermal energy hybrid generating system and control method | |
| CN206656506U (en) | A kind of solar heat absorber | |
| CN202419970U (en) | Tower type receiver for solar thermal power station | |
| CN202419967U (en) | Receiver of tower type solar thermal power station | |
| CN202902238U (en) | Integrated heat collection device for generating solar energy steam | |
| CN202203064U (en) | Geothermal water energy low-temperature power generation device utilizing thermal superconducting liquid as medium | |
| CN206988033U (en) | A kind of butterfly fused salt solar-thermal generating system | |
| CN202326050U (en) | Solar energy and external source steam complementary power generation equipment | |
| CN204783495U (en) | High -efficient solar energy heat -retaining power generation system | |
| CN205351819U (en) | Corollary equipment for solar photothermal power with trail and self - cleaning function | |
| CN202718720U (en) | Medium and low temperature heat source form transforming system dedicated for organic Rankine cycle (ORC) | |
| CN205580005U (en) | Solar thermal power generation system | |
| CN205315212U (en) | Fluid pressure type solar photothermal power tracking means |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150506 Termination date: 20151112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |