CN204285843U - For the fused salt heat absorber system in the tower photo-thermal power station of secondary reflection - Google Patents
For the fused salt heat absorber system in the tower photo-thermal power station of secondary reflection Download PDFInfo
- Publication number
- CN204285843U CN204285843U CN201420665716.9U CN201420665716U CN204285843U CN 204285843 U CN204285843 U CN 204285843U CN 201420665716 U CN201420665716 U CN 201420665716U CN 204285843 U CN204285843 U CN 204285843U
- Authority
- CN
- China
- Prior art keywords
- header
- fused salt
- heat dump
- secondary reflection
- tube panel
- 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.)
- Withdrawn - After Issue
Links
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
- Y02E10/44—Heat exchange systems
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/20—Climate change mitigation technologies for sector-wide applications using renewable energy
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a kind of fused salt heat absorber system for the tower photo-thermal power station of secondary reflection, described heat dump is arranged in ground, is divided into two circuit systems that east, west are symmetrical.Circuit system includes heat dump header, heating surface tube panel and corresponding connecting pipe; Wherein, heat dump header comprises an import and distributes header, No. two imports distribution headers, and middle mixing reallocation header; Two imports distribute header and adopt erecting by overhang to hang in east, west side insulated wall fluting respectively, and middle mixing reallocation header, between two loops, is fixed on ground by supporting; Heating surface tube panel is arranged in import and distributes header and reallocate between header with mixing, and is divided into phototropic face and shady face.The utility model adopts ground configuration, by the adjustment of heat dump installation site and the optimal design of structure, performance improves the heat dump thermal efficiency, then reduces equipment investment economically and reduce auxiliary power consumption.
Description
Technical field
The utility model relates to a kind of fused salt heat absorber system for the tower photo-thermal power station of secondary reflection, belongs to fused salt heat dump technical field.
Background technology
The tower photo-thermal power generation technology of fused salt is the technology pattern using fused salt as heat absorption, heat accumulation and heat-transfer working medium.Relative to other adopt as device of working medium, conduction oil or air etc. as working media system for, salt melting system has that system pressure is little, working medium without phase transformation, high heat flux can be born and possess compared with elevated operating temperature, the thermal efficiency and the more high many advantages of year utilization rate.Therefore, the tower photo-thermal power generation of fused salt becomes one of mainstream technology of photo-thermal power generation industry gradually.
At present, tower solar-thermal generating system adopts primary event principle for the collection of sunshine with reflection, and namely heat dump is positioned on high tower top, accepts the sunshine that heliostat directly reflects.Following problem is there is: 1. affect by high-altitude high wind, comparatively greatly, the thermal efficiency is lower for heat dump outer surface convection current heat waste for adopting the heat dump of this kind of arrangement; 2. high-altitude is arranged, need configure high-lift circulating pump, and equipment cost and auxiliary power consumption increase; 3. working medium pipeline is longer, system complex, adds leakage possibility; 4., along with the amplification of power plant scale, heat dump volume and layout highly also along with lifting, need directly cause the increasing of heat dump installation in early stage and later stage O&M difficulty and risk.
For above problem, lot of domestic and foreign expert or mechanism have started to improve traditional tower system, and develop secondary reflection tower system technology, namely by arranging secondary reflection device on the pylon of high-altitude, by sunshine after heliostat and secondary reflection device reflection, refocusing, on the heat dump being arranged in ground, so can overcome heat dump high-altitude in tower solar-thermal generating system and arrange the great number of issues existed.
Secondary reflection tower-type electricity generation system is for traditional tower system, and topmost difference is the increase of secondary reflection device on pylon and the improvement of heat dump arrangement and structure.Wherein, for secondary reflection device, existing relevant enterprise has carried out further investigation at present, and proposes numerous patent.But rarely have the research of the heat absorber system or structure that are arranged in ground that are applied to extensive tower photo-thermal power station and mention.
Utility model content
The purpose of this utility model is: provide a kind of and be arranged in ground, fused salt heat absorber system for the tower photo-thermal power station of secondary reflection, with solve existing tower photo-thermal power station adopt heat dump high-altitude arrange caused by the problems such as the high and auxiliary power consumption of installation O&M difficulty, system cost is large, thus can effectively solve above-mentioned problems of the prior art.
The utility model object is realized by following technical proposals: a kind of fused salt heat absorber system for the tower photo-thermal power station of secondary reflection, and described heat dump is arranged in ground, is divided into two circuit systems that east, west are symmetrical; Circuit system includes heat dump header, heating surface tube panel and corresponding connecting pipe; Wherein, heat dump header comprises the import be connected with fused salt inlet ductwork and distributes header and No. two imports distribute header, and be connected with fused salt outlet conduit in the middle of mix header of reallocating; Heating surface tube panel comprises a symmetrical loop tube panel and No. two loop tube panels, wherein a loop tube panel is arranged between an import distribution header and middle mixing reallocation header, and No. two loop tube panels are arranged in No. two imports and distribute between headers and centre mixing reallocation header.
This heat dump is arranged in ground, but not adopt the high-altitude tower top of traditional tower power station to arrange, so not only can reduce the convection current heat waste of heat dump under the high wind effect of high-altitude, improve the thermal efficiency, be convenient to again the installation of system and equipment, operation and maintenance, choosing of high-lift molten salt circulating pump can be avoided again, while reduction equipment investment, reduce auxiliary power consumption.
As preferably, the inside of heat dump header is provided with dividing plate, and heating surface tube panel is divided into several little tube panel by dividing plate, is connected between adjacent two little tube panels by connecting pipe.
As preferably, import distributes header and No. two imports and distributes headers and hang in east, west side insulated wall fluting respectively by erecting by overhang, and middle mixing reallocation header is then fixed on ground by supporting seat, and is positioned under heating surface tube panel.
An import distribution header and No. two imports distribute headers and hang in east, west side insulated wall fluting respectively, middle mixing reallocation header is between two loops, in fused salt flowing heating process, mixing reallocation effect is played to it, so contribute to reduction two loop thermal deviation to each other.
As preferably, a loop tube panel and No. two loop tube panels are divided into phototropic face and shady face, and phototropic face accepts secondary reflection light beam irradiation upward, and shady face lays heat-insulation layer.
Heating surface tube panel phototropic face, accepts the direct irradiation of secondary reflection light beam upward, realizes heating.
As preferably, a loop tube panel and No. two loop tube panels are provided with mounting inclination angle.Be provided with mounting inclination angle, to ensure that fused salt relies on deadweight to realize quick drain under special operation condition; Inclination angle size adjusts according to secondary reflection hot spot and aperture size.
As preferably, the bottom of a loop tube panel and No. two loop tube panels is provided with supporting steel frame, supporting steel frame and loop tube panel, is equipped with backing plate between supporting steel frame and No. two loop tube panels.
As preferably, heat dump surrounding is provided with insulated wall, and insulated wall is followed successively by refractory brick, insulating brick and common brick from inside to outside.
Insulated wall, for reducing heat dump and extraneous heat loss through convection, to improve the thermal efficiency.
As preferably, heat dump header outside is provided with incubator, and inside arranges the radiant type electrical heating elements carrying out accompanying Thermal protection to heat dump header.
As preferably, low-temperature molten salt enters heat dump by north side inlet pipeline, is flowed out after heating by southern side outlet conduit.
Compared with prior art, the beneficial effects of the utility model: the utility model is applicable to the fused salt heat absorber system of secondary reflection tower power station, adopt ground configuration, by the adjustment to heat dump installation site, performance improve the heat dump thermal efficiency; Reduce equipment investment economically, reduce auxiliary power consumption; Meanwhile, be convenient to the installation of system, operation and maintenance, there is larger Practical significance and promotional value.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the utility model heat absorber system schematic flow sheet.
Wherein: an import distributes header-1, No. two imports and distributes header-2, middle mixing reallocation header-3, a loop tube panel-4, No. two loop tube panels-5, fused salt inlet pipeline-6, fused salt outlet conduit-7, incubator-8, erecting by overhang-9, supporting seat-10, supporting steel frame-11, backing plate-12, refractory brick-13, insulation brick-14, common brick-15, dividing plate-16.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with embodiment, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
All features disclosed in this description, or the step in disclosed all methods or process, except the speciality mutually repelled and/or step, all can combine by any way, unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object, namely, unless specifically stated otherwise, an embodiment in a series of equivalence of each feature or similar characteristics.
embodiment 1
For the fused salt heat absorber system in the tower photo-thermal power station of secondary reflection, working media adopts fused salt; Mainly be applicable to secondary reflection tower photo-thermal power station.This heat dump is arranged in ground, but not adopts the high-altitude tower top of traditional tower power station to arrange, as shown in Figure 1, 2.So, both can reduce the convection current heat waste of heat dump under the high wind effect of high-altitude, and improve the thermal efficiency, be convenient to again the installation of system and equipment, operation and maintenance, choosing of high-lift molten salt circulating pump can be avoided again, while reduction equipment investment, reduce auxiliary power consumption.
Two circuit systems that this heat dump is divided into east, west symmetrical, circuit system comprises heat dump header, heating surface tube panel and corresponding connecting pipe, heating surface tube panel is divided into phototropic face and shady face, phototropic face upward, in order to accept the irradiation of secondary reflection light beam, lay insulation in backlight side, to reduce heating surface heat radiation, improve heat dump efficiency.Heat dump header comprises the import be connected with fused salt inlet ductwork 6 and distributes header 1 and No. two imports distribute header 2, and be connected with fused salt outlet conduit 7 in the middle of mix header 3 of reallocating; An import distribution header 1 and No. two imports distribute headers 2 and hang on respectively in east, west side insulated wall fluting, and middle mixing reallocates header 3 between a loop and No. two loops, and is arranged at ground; Middle mixing reallocation header plays mixing reallocation effect, to reduce the thermal deviation of fused salt in two circuit systems to fused salt in fused salt heating process.
The inside of heat dump header is provided with dividing plate 16, heat dump header is divided into several little tube panel by dividing plate 16, connected by connecting pipe between adjacent two little tube panels, little tube panel refers to and header is divided into several less unit, little tube panel by connecting pipe, realizes series connection on the whole in respective circuit system.
An import distributes header 1 a corresponding loop tube panel 4, No. two imports distribute header 2 corresponding No. two loop tube panels 5, a loop tube panel 4 and No. two loop tube panels 5 arrange mounting inclination angle, and its main purpose ensures that heat dump inner fused salt when accident conditions or stoppage in transit can rely on self gravitation to realize quick drain; The large I in its inclination angle adjusts according to the size of secondary reflection hot spot and aperture.
The bottom of a loop tube panel 4 and No. two loop tube panels 5 is provided with supporting steel frame 11, supporting steel frame 11 and loop tube panel 4, is equipped with backing plate 12 between supporting steel frame 11 and No. two loop tube panels 5.Supporting steel frame for supporting tube panel weight, and avoids tube panel in deadweight and pipe, downward dislocation distortion to occur under fused salt Action of Gravity Field owing to being heated.
Heat dump surrounding is provided with insulated wall, for reducing the heat loss through convection of heat dump and external environment, to improve its thermal efficiency.Insulated wall is followed successively by refractory brick 13, insulating brick 14 and common brick 15 from inside to outside; Insulated wall plays effect that is fire-resistant, insulation.
In addition, a loop header 1 and No. two loop headers 2 hang on respectively by erecting by overhang 9 in the fluting of east, west side insulated wall, to avoid the direct irradiation of secondary reflection light beam.Intermediate header 3 is fixed on ground by supporting seat 10, and be positioned at the bottom of a loop tube panel 4 and No. two loop tube panels 5, what utilize a loop tube panel 4 and No. two loop tube panels 5 blocks the direct irradiation avoiding light beam, reduces the radiation loss brought due to illumination.
Heat dump header outside is provided with incubator 8, prevents scattering and disappearing of temperature, and the inside of heat dump header arranges the radiant type electrical heating elements carrying out accompanying Thermal protection to heat dump header, plays the protective effect to heat dump header.
Low-temperature molten salt is sent in heat dump east, west two circuit system by fused salt inlet ductwork simultaneously, enters middle mixing reallocation header through corresponding loop tube panel.Specifically, low-temperature molten salt distributes the most north side of headers from two imports and enters simultaneously, middle mixing reallocation header is entered by the little tube panel in the loop of correspondence, after fused salt in two loops mixes wherein, send in adjacent little tube panel by connecting pipe again, be finally back to two imports again and distribute header, so round, realize the series connection between each little tube panel, the fused salt after final heating is flowed out by outlet conduit after mixing in centre mixing reallocation header.
In heat dump, north side hot-fluid is the highest, and temperature of molten salt is minimum, otherwise southern side heat flow density is minimum, but temperature of molten salt is the highest; Fused salt enters southern side by north side and flows out the security that improve heat dump work to a great extent.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. for the fused salt heat absorber system in the tower photo-thermal power station of secondary reflection, it is characterized in that: described heat dump is arranged in ground, be divided into two circuit systems that east, west are symmetrical; Circuit system includes heat dump header, heating surface tube panel and corresponding connecting pipe; Wherein, heat dump header comprises the import be connected with fused salt inlet ductwork (6) and distributes header (1) and No. two imports distribute header (2), and be connected with fused salt outlet conduit (7) in the middle of mix header (3) of reallocating; Heating surface tube panel comprises a symmetrical loop tube panel (4) and No. two loop tube panels (5), wherein a loop tube panel (4) is arranged between import distribution header (1) and middle mixing reallocation header (3), and No. two loop tube panels (5) are arranged in No. two imports and distribute between header (2) and centre mixing reallocation header (3).
2. as claimed in claim 1 for the fused salt heat absorber system in the tower photo-thermal power station of secondary reflection, it is characterized in that: the inside of heat dump header is provided with dividing plate (16), heating surface tube panel is divided into several little tube panel by dividing plate (16), is connected between adjacent two little tube panels by connecting pipe.
3. as claimed in claim 1 for the fused salt heat absorber system in the tower photo-thermal power station of secondary reflection, it is characterized in that: import distribution header (1) and No. two imports distribute header (2) and hang in east, west side insulated wall fluting respectively by erecting by overhang (9), middle mixing reallocation header (3) is then fixed on ground by supporting seat (10), and is positioned under heating surface tube panel.
4. as claimed in claim 1 for the fused salt heat absorber system in the tower photo-thermal power station of secondary reflection, it is characterized in that: a loop tube panel (4) and No. two loop tube panels (5) are divided into phototropic face and shady face, phototropic face accepts secondary reflection light beam irradiation upward, and shady face lays heat-insulation layer.
5., as claimed in claim 4 for the fused salt heat absorber system in the tower photo-thermal power station of secondary reflection, it is characterized in that: a loop tube panel (4) and No. two loop tube panels (5) are provided with mounting inclination angle.
6. as claimed in claim 5 for the fused salt heat absorber system in the tower photo-thermal power station of secondary reflection, it is characterized in that: the bottom of a loop tube panel (4) and No. two loop tube panels (5) is provided with supporting steel frame (11), supporting steel frame (11) and loop tube panel (4), between supporting steel frame (11) and No. two loop tube panels (5), be equipped with backing plate (12).
7., as claimed in claim 1 for the fused salt heat absorber system in the tower photo-thermal power station of secondary reflection, it is characterized in that: heat dump surrounding is provided with insulated wall, insulated wall is followed successively by refractory brick (13), insulating brick (14) and common brick (15) from inside to outside.
8. as claimed in claim 1 for the fused salt heat absorber system in the tower photo-thermal power station of secondary reflection, it is characterized in that: heat dump header outside is provided with incubator (8), inside arranges the radiant type electrical heating elements carrying out accompanying Thermal protection to heat dump header.
9. as claimed in claim 1 for the fused salt heat absorber system in the tower photo-thermal power station of secondary reflection, it is characterized in that: low-temperature molten salt enters heat dump by north side inlet pipeline (6), flowed out by southern side outlet conduit (7) after heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420665716.9U CN204285843U (en) | 2014-11-10 | 2014-11-10 | For the fused salt heat absorber system in the tower photo-thermal power station of secondary reflection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420665716.9U CN204285843U (en) | 2014-11-10 | 2014-11-10 | For the fused salt heat absorber system in the tower photo-thermal power station of secondary reflection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204285843U true CN204285843U (en) | 2015-04-22 |
Family
ID=52868994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420665716.9U Withdrawn - After Issue CN204285843U (en) | 2014-11-10 | 2014-11-10 | For the fused salt heat absorber system in the tower photo-thermal power station of secondary reflection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204285843U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359234A (en) * | 2014-11-10 | 2015-02-18 | 东方电气集团东方锅炉股份有限公司 | Molten salt heat absorber system for secondary reflective tower type photo-thermal power station |
| CN109312959A (en) * | 2016-06-15 | 2019-02-05 | 通用电器技术有限公司 | Solar receiver with improved heliostat field performance |
-
2014
- 2014-11-10 CN CN201420665716.9U patent/CN204285843U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359234A (en) * | 2014-11-10 | 2015-02-18 | 东方电气集团东方锅炉股份有限公司 | Molten salt heat absorber system for secondary reflective tower type photo-thermal power station |
| CN109312959A (en) * | 2016-06-15 | 2019-02-05 | 通用电器技术有限公司 | Solar receiver with improved heliostat field performance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110285588A (en) | A kind of solar energy heat collector | |
| CN110285589A (en) | A kind of solar air heating device | |
| CN201699621U (en) | Water-cooling system of solar cell plane | |
| CN107289664A (en) | It is a kind of that molten salt energy-storage is subjected to the devices and methods therefor that distributed energy is utilized | |
| CN204285843U (en) | For the fused salt heat absorber system in the tower photo-thermal power station of secondary reflection | |
| CN104359234B (en) | For the fused salt heat absorber system in the tower photo-thermal of secondary reflection power station | |
| CN102231612A (en) | Concentrating photovoltaic power generation unit, power generation device and a power generation system | |
| CN202267053U (en) | Solar energy cavity heat absorber capable of generating superheated steam | |
| CN205619420U (en) | Folded form solar energy wall is warm | |
| CN108106025A (en) | A kind of photovoltaic and photothermal solar supplies electric heating system in combination with heat storage electric boiler | |
| CN205014644U (en) | Binary solar energy polymerization board | |
| CN202056950U (en) | Novel heating device taking solar energy as heat source | |
| CN207383081U (en) | A kind of temperature-increasing system of heliogreenhouse | |
| CN202947336U (en) | Heat absorber of tower type solar power station | |
| CN205883157U (en) | Surface of water floats photovoltaic board intelligence heat abstractor | |
| CN102709375B (en) | Passive cooling system of solar battery board | |
| CN102097519A (en) | Photovoltaic and photothermal integrated unit | |
| CN205986754U (en) | Photoelectricity light and heat optimizing system based on photovoltaic light and heat heat collector | |
| CN201983475U (en) | Linearly-focused solar heat-gathering device | |
| CN204156806U (en) | Integral type solar photovoltaic cell panel temperature-controlling system | |
| CN210980361U (en) | Photovoltaic air can double-purpose hot water system | |
| CN209147467U (en) | A kind of new type solar energy high-efficient flat-plate heat collector | |
| CN205505431U (en) | Tower solar energy system suitable for complementary power station of light coal | |
| CN203353304U (en) | Tower type concentrated solar power photo-thermal energy storage power station agricultural greenhouse | |
| CN110553397A (en) | Photovoltaic air can double-purpose hot water system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150422 Effective date of abandoning: 20160511 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |