CN201650628U - Trench type solar-energy heat-concentrating power generation assembly - Google Patents
Trench type solar-energy heat-concentrating power generation assembly Download PDFInfo
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- CN201650628U CN201650628U CN2009202545835U CN200920254583U CN201650628U CN 201650628 U CN201650628 U CN 201650628U CN 2009202545835 U CN2009202545835 U CN 2009202545835U CN 200920254583 U CN200920254583 U CN 200920254583U CN 201650628 U CN201650628 U CN 201650628U
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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
Abstract
The utility model relates to a trench type solar-energy heat-concentrating power generation assembly which mainly comprises a parabolic trough optical block, a line-focusing heat-collecting tube, a vaporizing tank, an atomizing flash boiler, a thermal power machine, a heat accumulating tank, a cooling device and the like; the core lies in that a parabolic trough optical block array is allocated with the vaporizing tank, the atomizing flash boiler and the heat accumulating tank; and the trench type solar-energy heat-concentrating power generation assembly is a brand-new DSP device which utilizes the vaporizing tank to mix atomized water vapor in a controlled way, utilizes an air-vapor mixing working medium to transmit high-temperature hot airflow, generates saturated vapor and superheated vapor in the atomizing flash boiler, and finally drives a thermo-motive machine unit to complete the solar-energy heat-concentrating power generation.
Description
Technical field
The utility model relates to a kind of gas or gas vapour mixed gas of adopting and installs as the solar energy heat build-up generating (CSP) of heat-transfer working medium, this device makes full use of the linear focusing high-temperature heat-collection pipe gas in managing is carried out disturbance, the mixed aerosol steam that control is arranged in forced heat exchanging, make full use of gas vapour mixed working fluid transmission elevated temperature heat air-flow, in evaporation boiler, produce saturated vapour and superheated vapor, finally drive the system and device that the heat power unit is finished solar energy heat build-up generating with the atomized steam flash distillation.This technology belongs to solar energy heat utilization field.
Background technique
Along with renewable energy utilizations such as solar energy are flourish in the whole world, solar energy heat build-up generating (CSP) progressively is familiar with by people.Photovoltaic solar generating (PV) is compared in solar energy heat build-up generating (CSP) outstanding features such as scale is big, concentration degree is high, efficient height, but the common issue with that faces is how to reduce cost of investment and how to improve generating efficiency and then the reduction cost of electricity-generating, and especially reducing cost of investment and improving generating efficiency just becomes two kinds of solar energy generation technology competition focal point.Solar energy heat build-up generating (CSP) mainly contains three kinds of hot power generation modes such as slot type, tower and dish formula, and wherein groove type solar heat build-up generating (CSP) has realized commercialization.It is heat-transfer working medium that this technology mainly adopts conduction oil, drives the generator set generating through the conventional steam turbine of conduction oil heat exchange rear driving.Because present conduction oil operating temperature must be controlled at about 400 degree, exceed this temperature and will cause problems such as conduction oil cracking, viscosity raising and heat transfer efficiency reduction, therefore limited the operating temperature of groove type solar heat build-up generating.Simultaneously, the conduction oil user cost is very high, therefore presses for new heat-transfer working medium and replaces conduction oil, with the raising operating temperature, and reduces apparatus cost and operating cost.The replacing method that present international solar energy heat build-up generating (CSP) field is being studied mainly contains two kinds of technology of DSG that fused salt and water are done heat-transfer working medium.The former generally adopts the nitrose fused salt, and crystallization point is higher, about 230 to 260 ℃, therefore directly brings replacement and also has many difficulties mostly, and current fused salt is mainly used in hot energy storage.The fused salt of crystallization point below 100 degree studied in the Sang Diya laboratory by the U.S., if successfully will be hopeful to replace conduction oil.Water is directly cooked the DSG technology of heat-transfer working medium and has been tested for many years, because being pressure, the subject matter that this technology exists is difficult to control, and water transmits in heat collecting pipe and all there are a lot of difficulties in aspect such as vaporization, so this technology that generally is expected still rests on experimental stage.But as long as this problem is solved, the DSG technology is exactly minimum, the most effective solar energy thermal-power-generating technology of cost so.
Summary of the invention
The utility model is exactly for improving groove type solar heat build-up generating efficiency, further solve a DSG key technology difficult problem and propose a kind ofly can and adapt to gas or gas vapour mixed gas working medium is the groove type solar heat build-up electricity generating device of core with forced heat exchanging technology and alternative conduction oil.
The utility model groove type solar heat build-up electricity generating device is made up of parabola groove optical block, linear focusing heat collecting pipe, conduction oil, gas working medium, transfer line, gasifying pot, Jet injector, pneumatic pump, water pump, pressure controlled valve, heat exchanger, atomization and vaporization boiler, heat power machine, heat storage can, cooling unit etc., be primarily characterized in that: configuration gasifying pot or Jet injector in parabola groove optical block array, and pressure controlled valve, connect atomization flash-evaporation boiler and heat exchanger by transfer line; The atomization flash-evaporation boiler connects the heat power machine, and the heat power machine connects cooling unit; Cooling unit connects water pump, pneumatic pump; Heat exchanger connects heat storage can.
For realizing above-mentioned technical goal, the linear focusing heat collecting pipe adopts annular node or the spiral node metal inner pipe with forced heat exchanging function.Node metal inner pipe or spiral node metal inner pipe are the heat-exchanging elements with forced heat exchanging function, these two kinds of metal inner pipes can improve the basic reason of heat exchange efficiency, be that they have made full use of the periodically variable structural design advantage of the cross section of self body on axis, impel the heat exchange medium in the pipe to produce strong disturbance, the change laminar heat transfer is the eddy current heat exchange, accelerates the intraductal working medium thermal cycle.Prove that through theory calculating and practice test its heat exchange efficiency is higher two to three times than common metal straight tube.
On the basis of technique scheme, conduction oil working medium or water conservancy project matter that traditional groove type solar heat build-up electricity generating device is used replace with gas working medium, the DSG heat transfer pattern that adopts brand-new gas vapour to mix.
Described gas working medium is an air, or nitrogen, or carbon dioxide gas, or other latent heat than high, density is high and the gas of stable performance, or the mixed gas between them, or these gases and mixed gas mix the mixed gas of formation afterwards with the water molecule of vaporization; These gases can form the elevated temperature heat air-flow after parabola groove optically focused and the heating of linear focusing heat collecting pipe, hot stream temperature is at 200 to 600 ℃.
For realizing that heat-transfer working medium substitutes and avoid problems such as gas-liquid two-phase flow that water conservancy project matter once occurred and air pressure is inhomogeneous, configuration quantity does not wait in parabola groove optical block array gasifying pot or Jet injector.Waterfog head is set described gasifying pot and high temperature gas flow is imported and exported, its effect and function are an amount of high-temperature gas working medium humidity that increases in transmission course, the proportion of reasonable disposition contact heat transfer gas and gas phase water molecule is adjusted gas transmission pressure by adjusting configuration amount.Described Jet injector is provided with high temperature gas flow spout, drainage port and accelerating cavity, is installed in equally in the parabola groove optical block array, realizes that mainly gas flow rate quickens and increases the effect that gas working medium contains vapour proportion, reduces simultaneously and substitutes the part pneumatic pump.
On the basis of last two kinds of technological schemes, before the heat power unit, increase the atomization flash-evaporation boiler.Described atomization flash-evaporation boiler is made of vaporization chamber, waterfog head, high temperature gas flow shower nozzle, pressure controlled valve, saturated vapour or superheated vapor output port, is primarily implemented in the water smoke that will spray atomizing under the high temperature gas flow effect produces saturated vapour and superheated vapor by flash distillation function.The atomization flash-evaporation boiler is divided into saturated atomization flash-evaporation boiler and superheating atomizing flash boiler.
Pneumatic pump described in the said apparatus is gas pressure pump or fan air pressure pump.The initial gas transmission pressure mainly is provided, guarantees to quicken in the online focusing and heat collecting tube of gas to flow.
Described water pump is the recycle pump of system cools water.
Described pressure controlled valve is the reduction valve that can keep automatically with control gaseous pressure.
Described heat power machine is steam turbine or screw expansion motor.
Described heat exchanger is a salt vapour heat exchanger, and this is the heat-exchanger rig that uses in unglazed photograph.
Described heat storage can is the device that is used for fused salt class material heat accumulation, is divided into cold jar and heat jar.
This model utility mainly contains three innovative points:
At first, the metal straight pipe that is heat collecting pipe that traditional groove type solar heat build-up electricity generating device is used replaces to annular node or the spiral node metal inner pipe with forced heat exchanging function, bring into play the agitation of this metal inner pipe, become laminar flow and be heated to be the eddy current heating heat-transfer working medium.
Secondly, be that conduction oil is directly replaced to gas. for further improving heat transfer efficiency, inherit the DSG technical advantage, overcome optical block and directly heat the weakness that water conservancy project matter exists, in parabola groove Accumulated Heat Units array, selectively increase gasification installations such as gasifying pot or Jet injector, utilize these devices an amount of atomizing aqueous vapor that adds in high-temperature gas working medium, increase the humidity of gas working medium, improve the proportion of water molecule in gas, utilization contains " vapour " gas and finishes transmission of heat.Self-evident, this technological scheme has promptly been finished the substituting of conduction oil, and has saved hot generator operation cost, has brought into play the strong point of DSG technology simultaneously, has overcome the various drawbacks that direct heating water conservancy project matter exists.
Once more, the atomization flash-evaporation boiler is set before the heat power unit, in boiler water directly being atomized produces saturated vapour and the superheated vapor that the heat generating needs with the high-temperature gas flash distillation then, and this measure not only can substitute conventional heat exchanger package, can significantly reduce the heat exchange loss simultaneously.Because this device is directly finished the flash distillation gasification of water vapor with the atomization flash-evaporation boiler, further reduced cost of investment in addition.
This model utility is except that parabola groove optically focused thermal electric generator uses, also can be applied in the tower type thermal generation device, mainly be that the elevated temperature heat air-flow that the cavity heat collector in the tower type thermal generation device produces is directly inputted to the atomization and vaporization boiler, guarantee that atomized steam flash distillation under the high temperature gas flow effect produces saturated vapour and superheated vapor, drives the heat power machine and drives the generator set generating.Because its similar, the identical event of principle are not described in detail.
Description of drawings
Fig. 1 is the utility model gas vapour contact heat transfer-atomization flash-evaporation thermal electric generator schematic representation
Fig. 2 is the utility model gas vapour jet contact heat transfer-atomization flash-evaporation thermal electric generator schematic representation
Fig. 3 is traditional groove type solar heat build-up generating (CSP) device schematic representation
Wherein
1, parabola groove optical block, 2, the linear focusing heat collecting pipe, 3, gasifying pot, 4, Jet injector, 5, pneumatic pump, 6, pressure controlled valve, 7, the atomization flash-evaporation boiler, 8, steam turbine, 9, cooling unit, 10, heat storage can, 11, heat exchanger, 12, screw expansion motor
Embodiment
At first, the heat collecting pipe that groove type solar heat build-up electricity generating device is used is replaced by the annular node with forced heat exchanging function or the linear focusing heat collecting pipe (2) of spiral node metal inner pipe, give full play to the agitation of this heat collecting pipe, become laminar flow and be heated to be the eddy current heating heat-transfer working medium.
Secondly, be that conduction oil is directly replaced to gas, further improve heat transfer efficiency.For inheriting the DSG technical advantage, overcome the weakness that direct heating water conservancy project matter exists, in parabola groove Accumulated Heat Units array, selectively increase gasifying pot (3) or Jet injector gasification installations such as (4), utilize these devices an amount of water vapour that adds in high-temperature gas working medium, improve the proportion of water molecule in gas, increase the humidity of gas working medium, utilization contains " vapour " gas and finishes transmission of heat.
Once more, at transmission terminal atomization flash-evaporation boiler (7) is set, in boiler water directly being atomized produces saturated vapour and the superheated vapor that the heat generating needs with the high-temperature gas flash distillation then, and this measure not only can substitute conventional heat exchanger package, can significantly reduce the heat exchange loss simultaneously.Directly spray in the vaporization chamber after the waterfog head that is installed in atomization flash-evaporation boiler top is responsible for making water fogging, the high temperature gas flow shower nozzle sprays into the high temperature gas flow or the gas vapour mixing high temperature gas flow of heat-collecting devcie heating in the vaporization chamber simultaneously, atomized steam and high temperature gas flow directly produce saturated vapour or superheated vapor by flash distillation in boiler, pressure controlled valve keeps the boiler internal pressure stable, saturated vapour or superheated vapor enter steam turbine (8) or screw expansion motor (12) by output port, drive the generator set generating.This device adopts ripe fused salt heat-storage technology, also utilizes heat accumulation preheating inlet gas simultaneously, helps second day startup thermal electric generator.
In the tower type thermal generation device, the elevated temperature heat air-flow that the cavity heat collector in the tower type thermal generation device produces can be directly inputted to the atomization flash-evaporation boiler, the water atomization shower nozzle is responsible for making water fogging and is sprayed in the vaporization chamber; The high temperature hot gas flow nozzle sprays into high temperature gas flow or gas vapour mixing high temperature gas flow in the vaporization chamber, guarantee under the high temperature gas flow effect, directly to produce saturated vapour or superheated vapor, drive steam turbine (8) or screw expansion motor (12) and drive the generator set generating by flash distillation.
Claims (2)
1. groove type solar heat build-up electricity generating device is made up of parabola groove optical block, linear focusing heat collecting pipe, gas working medium, transfer line, gasifying pot, pneumatic pump, water pump, pressure controlled valve, heat exchanger, atomization flash-evaporation boiler, heat power machine, heat storage can, cooling unit etc., is primarily characterized in that:
1) configuration gasifying pot or Jet injector in parabola groove optical block array, and pressure controlled valve connect atomization flash-evaporation boiler and heat exchanger by transfer line; The atomization flash-evaporation boiler connects the heat power machine, and the heat power machine connects cooling unit; Cooling unit connects water pump, pneumatic pump; Heat exchanger connects heat storage can;
2) metal inner pipe of described linear focusing heat collecting pipe is annular node or the helicon pipe joint with forced heat exchanging function;
3) described gasifying pot is provided with waterfog head and high temperature gas flow import and export;
4) described Jet injector is provided with high temperature gas flow spout, drainage port and accelerating cavity;
5) described pneumatic pump is gas pressure pump or fan air pressure pump;
6) described water pump is the recycle pump of system cools water;
7) described pressure controlled valve is the reduction valve that can keep automatically with control gaseous pressure;
8) described heat power machine is steam turbine or screw expansion motor;
9) described heat exchanger is a salt vapour heat exchanger;
10) described heat storage can is the device that is used for fused salt class material heat accumulation, is divided into cold jar and heat jar.
2. groove type solar heat build-up electricity generating device according to claim 1, be primarily characterized in that: described atomization flash-evaporation boiler is made of vaporization chamber, waterfog head, high temperature gas flow shower nozzle, pressure controlled valve, saturated vapour or superheated vapor output port, is divided into saturated atomization flash-evaporation boiler and superheating atomizing flash boiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202545835U CN201650628U (en) | 2009-11-23 | 2009-11-23 | Trench type solar-energy heat-concentrating power generation assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202545835U CN201650628U (en) | 2009-11-23 | 2009-11-23 | Trench type solar-energy heat-concentrating power generation assembly |
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| CN201650628U true CN201650628U (en) | 2010-11-24 |
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| CN2009202545835U Expired - Fee Related CN201650628U (en) | 2009-11-23 | 2009-11-23 | Trench type solar-energy heat-concentrating power generation assembly |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102486167A (en) * | 2010-12-01 | 2012-06-06 | 毛楚楚 | Dome-type array solar thermoelectric power and wind power system |
| CN102588230A (en) * | 2011-01-06 | 2012-07-18 | 胡达 | Solar-thermal generating system |
| CN102588228A (en) * | 2011-01-06 | 2012-07-18 | 胡达 | Photovoltaic solar-thermal composite generating system |
| CN103502639A (en) * | 2011-04-19 | 2014-01-08 | 西门子公司 | A solar thermal power plant and a method for operating the solar thermal power plant |
| CN105927954A (en) * | 2016-06-16 | 2016-09-07 | 赖正平 | Solid fuel and fused salt integrated steam boiler |
| CN106195959A (en) * | 2015-05-07 | 2016-12-07 | 北京兆阳光热技术有限公司 | A kind of light thermo-power station heat collecting and circulating system |
| JPWO2022181585A1 (en) * | 2021-02-26 | 2022-09-01 |
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2009
- 2009-11-23 CN CN2009202545835U patent/CN201650628U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102486167A (en) * | 2010-12-01 | 2012-06-06 | 毛楚楚 | Dome-type array solar thermoelectric power and wind power system |
| CN102486167B (en) * | 2010-12-01 | 2014-03-12 | 毛楚楚 | Dome-type array solar thermoelectric power and wind power system |
| CN102588230A (en) * | 2011-01-06 | 2012-07-18 | 胡达 | Solar-thermal generating system |
| CN102588228A (en) * | 2011-01-06 | 2012-07-18 | 胡达 | Photovoltaic solar-thermal composite generating system |
| CN103502639A (en) * | 2011-04-19 | 2014-01-08 | 西门子公司 | A solar thermal power plant and a method for operating the solar thermal power plant |
| US9765759B2 (en) | 2011-04-19 | 2017-09-19 | Siemens Aktiengesellschaft | Solar thermal power plant and method for operating a solar thermal power plant |
| CN106195959A (en) * | 2015-05-07 | 2016-12-07 | 北京兆阳光热技术有限公司 | A kind of light thermo-power station heat collecting and circulating system |
| CN105927954A (en) * | 2016-06-16 | 2016-09-07 | 赖正平 | Solid fuel and fused salt integrated steam boiler |
| CN105927954B (en) * | 2016-06-16 | 2017-11-03 | 赖正平 | The integrated steam boiler of solid fuel, fused salt |
| JPWO2022181585A1 (en) * | 2021-02-26 | 2022-09-01 | ||
| WO2022181585A1 (en) * | 2021-02-26 | 2022-09-01 | 株式会社Emi | Organic waste treatment device and organic waste treatment system |
| JP7311935B2 (en) | 2021-02-26 | 2023-07-20 | 一般社団法人亜臨界水反応総合技術研究会 | Organic waste treatment equipment and organic waste treatment system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20131123 |