CN105605801A - Cavity heat receiver applicable to solar line-focus heat collector - Google Patents

Cavity heat receiver applicable to solar line-focus heat collector Download PDF

Info

Publication number
CN105605801A
CN105605801A CN201610130208.4A CN201610130208A CN105605801A CN 105605801 A CN105605801 A CN 105605801A CN 201610130208 A CN201610130208 A CN 201610130208A CN 105605801 A CN105605801 A CN 105605801A
Authority
CN
China
Prior art keywords
cavity
hot plate
heat
absorber
type heat
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
Application number
CN201610130208.4A
Other languages
Chinese (zh)
Other versions
CN105605801B (en
Inventor
梁宏博
由世俊
张欢
叶天震
郑雪晶
刘敏章
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin University
Original Assignee
Tianjin University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tianjin University filed Critical Tianjin University
Priority to CN201610130208.4A priority Critical patent/CN105605801B/en
Publication of CN105605801A publication Critical patent/CN105605801A/en
Application granted granted Critical
Publication of CN105605801B publication Critical patent/CN105605801B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00Solar heat collectors specially adapted for particular uses or environments
    • F24S20/20Solar heat collectors for receiving concentrated solar energy, e.g. receivers for solar power plants
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S23/77Arrangements for concentrating solar-rays for solar heat collectors with reflectors with flat reflective plates
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00Solar heat collectors using working fluids
    • F24S10/40Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00Solar heat collectors using working fluids
    • F24S10/70Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
    • F24S10/75Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits with enlarged surfaces, e.g. with protrusions or corrugations
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S23/74Arrangements for concentrating solar-rays for solar heat collectors with reflectors with trough-shaped or cylindro-parabolic reflective surfaces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S40/00Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
    • F24S40/50Preventing overheating or overpressure
    • F24S40/52Preventing overheating or overpressure by modifying the heat collection, e.g. by defocusing or by changing the position of heat-receiving elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S50/00Arrangements for controlling solar heat collectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S80/00Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • F24S80/40Casings
    • F24S80/45Casings characterised by the material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S80/00Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • F24S80/60Thermal insulation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00Solar heat collectors using working fluids
    • F24S10/70Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
    • F24S10/75Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits with enlarged surfaces, e.g. with protrusions or corrugations
    • F24S2010/751Special fins
    • F24S2010/752Special fins extending obliquely
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/44Heat exchange systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The invention discloses a cavity heat receiver applicable to a solar line-focus heat collector. The cavity heat receiver comprises a heat receiving tube, an inner rib and an outer rib, the outer rib is connected with a cavity housing through fixing bolts made of low heat conductivity coefficient material, an insulation partition is added to the connection, the cavity housing is composed of a housing inner layer, an air interlayer or a vacuum layer and a housing outer layer, an insulation layer is disposed between a heat receiving part and the housing inner layer, a cavity opening is provided with a glass cover plate, reflecting plates are disposed on two inner sides of the cavity opening, the reflecting plates have a fixation angle with the vertical direction and face the heat receiving tube, forming a trapezoidal structure with wide end up, the bottom of a cavity is provided with an anti-overheat plate, the lower surface of the anti-overheat plate is coated with a reflecting coating, and the cavity heat receiver is connected with a support through a support connector and is fixed to a condenser. The cavity heat receiver has the advantages of high optical performance, good heat transfer performance, low heat loss, small size, overheat resistance, modular installation and the like, and technical support is provided for further large-scale popularization and application of the solar line-focus heat collector.

Description

A kind of cavity type heat absorber that is applied to solar energy line focus heat collector
Technical field
The present invention relates to a kind of cavity type heat absorber, particularly a kind of cavity type heat absorber that is applied to solar energy line focus heat collector.
Background technology
Solar energy line focus heat collector is one of the most ripe product in high temperature heat utilization field in solar energy at present, and it can be applied toMultiple fields such as generating, heating, refrigeration, have set up many relevant demonstration projects both at home and abroad.
In solar energy line focus heat collector, through type glass-metal vacuum heat collection pipe is a kind of solar energy heat absorbing of generally applyingDevice. Metal heat absorption tube is coated with coating for selective absorption outward, outside cover with glass tube to reduce heat loss, metal tube and glass bushingBetween vacuumize, sealed at both ends connection. This heat dump collecting efficiency is higher, but exist production difficulty and cost higher, metal tubeAnd the vacuum between glass tube is difficult to the problems such as long-term maintenance.
It is higher that cavity type heat absorber has collecting efficiency, and manufacturing cost is lower, reliability is compared with advantages of higher, and many scholars are to this suctionHot device conducts in-depth research. Patent CN101551169A has invented a kind of cavity type solar of triangular chamber body structure and has inhaledReceive device, make full use of sun incident light and secondary reflection light and improve optical efficiency, cavity hatch place arranges glass cover-plate. Patent CN204313509U discloses a kind of cavity type thermal-collecting tube that thermal-arrest inner and outer tubes are set in the same way that comprises, between inner tube and outer tubeFill insulant material in tube chamber. Patent CN204084912U discloses one and has comprised that circular metal cavity and spiral metal absorbThe cavity type thermal-collecting tube of pipe. Relevant paper in the past and the patent of application are to carry out for the planform of cavity type heat absorber mostlyDesign optimization, the Insulation of taking is between endothermic tube and shell cavity, to fill conventional insulation material substantially, and at cavity hatchPlace arranges glass cover-plate. For cavity type heat absorber improve optics and heat transfer efficiency, reduce heat loss and summer anti-problems of excessive heat stillTo be solved.
Summary of the invention
In order to solve problems of the prior art, the invention provides a kind of cavate that is applied to solar energy line focus heat collector and inhaleHot device, overcomes cavity type heat absorber optics in prior art and heat transfer efficiency is low, heat loss large and the problem of over-heating in summer.
The technical solution used in the present invention is: a kind of cavity type heat absorber that is applied to solar energy line focus heat collector, comprises absorberAnd shell cavity, described absorber comprises endothermic tube, inner rib plate, and outer fin three parts, outer fin and shell cavity are by heat conductionThe set bolt of the less material of coefficient connects, and junction installs thermal-insulation baffle plate additional, and shell cavity is by shell internal layer, air blanketing or trueDead level, the outer three part compositions of shell, be provided with heat-insulation layer between absorber and shell internal layer, and cavity hatch place is provided with glass cover-plate,The inner both sides of cavity hatch are provided with reflecting plate, and reflecting plate, in vertical direction with fixed angle, towards endothermic tube, forms wide at the top and narrow at the bottomTrapezium structure, cavity bottom is provided with the anti-hot plate of crossing, the anti-hot plate lower surface crossed scribbles reflectance coating, cavity type heat absorber is by supportConnector is connected with support, is fixed on concentrator.
Described endothermic tube, inner rib plate, outer fin are metal material, and endothermic tube is pipe, and internal flow has heat-transfer working medium, heat absorptionIn pipe, be provided with inner rib plate, heat absorption tube wall and outer fin surface scribble coating for selective absorption, and outer fin both sides are in vertical direction with solidDetermine angle, form trapezium structure.
Described glass cover-plate is embedded between shell internal layer and shell skin, and glass cover-plate lower surface centre position is arranged at concentratorFocus place.
The described anti-hot plate of crossing is crossed the control of hot plate controlling organization by anti-, drive by the anti-hot plate transmission mechanism of crossing, and realizes the anti-hot plate of crossingOpen and close.
Describedly anti-ly cross hot plate in cavity both sides or side design, cross hot plate rotating shaft and rotate around anti-, cross the control of hot plate controlling organization by anti-,Drive by anti-hot plate transmission mechanism excessively, the anti-form of hot plate transmission mechanism is excessively belt or gear drive, by Electric Machine Control.
Described anti-hot plate excessively also can be made for flexible material, is opened and closed, by anti-mistake by the control of anti-hot plate controlling organization excessivelyHot plate transmission mechanism drives, and anti-hot plate transmission mechanism is excessively belt or chain form, taking pulley as fulcrum transmission, by Electric Machine Control.
Described anti-to cross hot plate can also be roller shutter structure, in cavity both sides or side design, describedly anti-ly crosses hot plate transmission mechanism and preventCross the as a whole anti-hot plate transmission controlling mechanism of crossing of hot plate controlling organization, under opening, the anti-hot plate of crossing is contracted in anti-mistakeIn hot plate transmission controlling mechanism; In off position, anti-hot plate excessively stretches and blocks cavity hatch. The described anti-hot plate controlling organization of crossingUtilize active motor control or utilize passive type thermal expansion to drive to control anti-open and close of crossing hot plate.
Described stand connection is made up of upper and lower two parts, and geometry and absorber match, stand connection and cavate heat absorptionInsulation material is laid in device junction, and the upper and lower two parts of stand connection are bolted.
Described cavity type heat absorber modularized design, adjacent two heat dumps are by screw thread, flange or be welded to connect, and connect by supportFitting is connected with support, is fixed on concentrator.
The invention has the beneficial effects as follows: the present invention is by cavity type heat absorber inside, reflecting plate being set, and arrange outward at endothermic tubeThe outer fin of trapezium structure, effectively improves cavity type heat absorber optical efficiency. By design inner rib plate in endothermic tube, effectively improve and passThe thermal efficiency. Carry out heat insulation " bridge cut-off " by cavity type heat absorber absorber and shell cavity junction and process, utilize thermal conductivity factorThe set bolt of little material connects, and junction installs thermal-insulation baffle plate additional, and at cavity hatch place design glass cover-plate, effectively reducesOutwards radiation loss. Design conventional insulation material and air blanketing or vacuum layer compound insulation structure can reduce cavity type heat absorber chiVery little, to be exposed to outdoor air to reduce it area, reduces heat loss. At the anti-hot plate of crossing of cavity type heat absorber opening part design, canEffectively to solve cavity type heat absorber over-heating in summer problem, and needn't look like the normal mobile concentrator mode adopting at present, by contrast,The several anti-of the present invention's design crosses hot plate flexible form conveniently. By the stand connection design matching with absorber geometry,Can effectively realize cavity type heat absorber modularization assembling and design.
Cavity type heat absorber of the present invention has that optical property is high, good heat-transfer, heat loss is little, size is little, anti-overheated, moduleChange the features such as installation, for the further large-scale promotion application of solar energy line focus heat collector provides technical support.
Brief description of the drawings
Fig. 1 is that the cavity type heat absorber of embodiment 1 is perpendicular to length direction profile;
Fig. 2 is the cavity type heat absorber end axis mapping of embodiment 1;
Fig. 3 is cavity type heat absorber end frame connector shaft mapping;
Fig. 4 is cavity type heat absorber and paraboloid trough type concentrator connecting axle mapping;
Fig. 5 is cavity type heat absorber thermal-arrest profile;
Fig. 6 is the cavity type heat absorber open mode profile of embodiment 1;
Fig. 7 is the cavity type heat absorber axonometric drawing of embodiment 2;
Fig. 8 is embodiment 2 cavity type heat absorber open mode profiles;
Fig. 9 is embodiment 2 cavity type heat absorber closed condition profiles;
Figure 10 is embodiment 3 cavity type heat absorber open mode profiles;
Figure 11 is embodiment 3 cavity type heat absorber closed condition profiles;
In figure: 1, endothermic tube, 2, inner rib plate, 3, outer fin, 4, set bolt, 5, thermal-insulation baffle plate, 6, heat-insulation layer, 7,Shell internal layer, 8, air blanketing or vacuum layer, 9, shell skin, 10, glass cover-plate, 11, reflecting plate, 12, support connectsFitting, the anti-hot plate of crossing in 13a, embodiment 1, the anti-hot plate of crossing in 13b, embodiment 2, the anti-hot plate of crossing in 13c, embodiment 3,14, reflectance coating, 15, anti-ly cross hot plate rotating shaft, the anti-hot plate transmission mechanism of crossing in 16a, embodiment 1, in 16b, embodiment 2The anti-hot plate transmission mechanism of crossing, the anti-hot plate controlling organization of crossing in 17a, embodiment 1, the anti-hot plate controller of crossing in 17b, embodiment 2Structure, the anti-hot plate transmission controlling mechanism of crossing in 17c, embodiment 3.
Detailed description of the invention
Referring to drawings and Examples, structure of the present invention is described further.
Embodiment 1
As shown in Figure 1-2, the present invention is the cavity type heat absorber that is applied to solar energy line focus heat collector, comprises absorber and cavityShell, described absorber comprises endothermic tube 1, inner rib plate 2, outer fin 3 three parts, endothermic tube 1, inner rib plate 2, outer fin3 is metal material, and endothermic tube 1 is pipe, and internal flow has heat-transfer working medium, is provided with inner rib plate 2 and passes to strengthen in endothermic tube 1Heat, heat absorption tube wall and outer fin 3 surfaces scribble coating for selective absorption (absorptivity is large, and emissivity is little), and common absorption enters chamberThe sunshine of body, transfers heat to heat-transfer working medium. Outer fin 3 both sides in vertical direction with fixed angle (towards cavity hatchDirection), form trapezium structure. Heat insulation " bridge cut-off " processing is carried out in cavity type heat absorber absorber and shell cavity junction, to reduceOutwards radiation loss, outer fin 3 is connected by the set bolt 4 of the less material of thermal conductivity factor with shell cavity, and junction installs additionalThermal-insulation baffle plate 5, the higher absorber of formation temperature and shell cavity be heat insulation is connected processing, reduces outside conductive heat loss. Outside cavityShell is made up of shell internal layer 7, air blanketing or vacuum layer 8, outer 9 three parts of shell, utilizes narrow and small air blanketing or vacuum layer8 form insulation construction. Between absorber and shell internal layer, be provided with heat-insulation layer 6, cavity hatch place is provided with glass cover-plate 10 to reduceHeat loss, glass cover-plate 10 is embedded between shell internal layer 7 and shell skin 9, and glass cover-plate 10 lower surface interpositions installBe placed in concentrator focus place. The inner both sides of cavity hatch are provided with reflecting plate 11 (reflectivity is high, emissivity is low), will enter cavitySunlight reflected after interior secondary (or repeatedly) reflection is to endothermic tube 1 or outer fin 3 surfaces. Reflecting plate 11 is in vertical direction with solidDetermine angle, towards endothermic tube, form trapezium structure wide at the top and narrow at the bottom, cavity bottom is provided with the anti-hot plate 13a that crosses, to prevent summerIt is overheated in cavity when solar radiation is crossed by force or do not need by heat. The anti-hot plate 13a lower surface of crossing scribbles reflectance coating 14, the anti-hot plate of crossing13a is in cavity both sides or side design, crosses hot plate rotating shaft 15 and rotates around anti-, controlled by the anti-hot plate controlling organization 17a that crosses, and passes throughThe anti-16a of hot plate transmission mechanism excessively drives, and realizes the unlatching (as Fig. 6) of anti-hot plate 13a excessively and closes (as Fig. 1). Anti-overheatedPlate transmission mechanism 16a form is belt or gear drive, by Electric Machine Control.
As shown in Figure 3, stand connection 12 is made up of upper and lower two parts, and geometry and absorber match, stand connection12 with cavity type heat absorber junction lay insulation material, stand connection Shang Xia 12 two parts be bolted.
As shown in Figure 5, heat dump opening glass cover-plate 10 lower surface centre positions are arranged on concentrator focus place, and sunshine passes throughConcentrator focuses on and enters in cavity type heat absorber cavity, and by multiple reflections, endothermic tube 1 can absorb the overwhelming majority with outer fin 3Enter the solar energy in cavity, by heat conduction, convection action, energy is passed to the heat-transfer working medium in endothermic tube 1, heat-transfer working mediumHeated realization heated up, thereby realizes the heat utilization for solar energy. The interior inner rib plate 2 that arranges of endothermic tube 1, to strengthen endothermic tubeWall is for the heat transfer of heat-transfer working medium.
In thermal-arrest process, concentrator is generally followed the tracks of the sun constantly, and the anti-hot plate 13a that crosses is in anti-control of crossing hot plate controlling organization 17aUnder system, in opening, the solar energy of focusing can see through glass cover-plate 10 and enter in cavity. Excessively strong in solar radiation in summerOr do not need with when heat, overheated for preventing in cavity, under anti-control of crossing hot plate controlling organization 17a, anti-to cross hot plate 13a realExisting closed condition. The solar light irradiation now focusing on is crossed on hot plate 13a anti-, can effectively be reflected.
Cavity type heat absorber can need to carry out modularized design according to thermal-arrest, and adjacent two heat dumps are by screw thread, flange or weldingBe connected in series, be connected with support by the stand connection 12 matching with absorber geometry, be fixed on concentrator chamberFormula heat dump combines effect as shown in Figure 4 with paraboloid trough type concentrator.
Embodiment 2
The present embodiment is identical with the most of structure of cavity type heat absorber of embodiment 1, and difference is only anti-hot plate and its controlling organization crossedDifferent from embodiment 1 with transmission mechanism. As Figure 7-9, the anti-hot plate 13b excessively of the present embodiment is that flexible material is made, tableFace is coated with reflecting coating, controls open and close by the anti-hot plate controlling organization 17b that crosses, drive by the anti-hot plate transmission mechanism 16b that crosses,The anti-16b of hot plate transmission mechanism is excessively belt or chain form, taking pulley as fulcrum transmission, by Electric Machine Control.
Embodiment 3
The present embodiment is identical with the most of structure of cavity type heat absorber of embodiment 1, and difference is only anti-hot plate and its controlling organization crossedDifferent from embodiment 1. As shown in Figure 10-11, the anti-hot plate 13c excessively of the present embodiment is roller shutter structure, in cavity both sides (orOne side) design, surface is coated with reflecting coating. Under opening, the anti-hot plate 13c that crosses is contracted in the anti-hot plate transmission controlling mechanism of crossingIn 17c; In off position, anti-hot plate 13c excessively stretches and blocks cavity hatch. The anti-17c of hot plate transmission controlling mechanism is excessively passableUtilize active motor control, also can utilize passive type thermal expansion to drive to control anti-open and close of crossing hot plate 13c.
The above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art,Under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as thisBright protection domain.

Claims (10)

1. be applied to a cavity type heat absorber for solar energy line focus heat collector, comprise absorber and shell cavity, it is characterized in that,Described absorber comprises endothermic tube, inner rib plate, and outer fin three parts, outer fin and shell cavity are by the less material of thermal conductivity factorSet bolt connect, junction installs thermal-insulation baffle plate additional, shell cavity is by outside shell internal layer, air blanketing or vacuum layer, shellLayer three part composition, are provided with heat-insulation layer between absorber and shell internal layer, and cavity hatch place is provided with glass cover-plate, in cavity hatchPortion both sides are provided with reflecting plate, and reflecting plate, in vertical direction with fixed angle, towards endothermic tube, forms trapezium structure wide at the top and narrow at the bottom,Cavity bottom is provided with the anti-hot plate of crossing, and the anti-hot plate lower surface of crossing scribbles reflectance coating, and cavity type heat absorber is by stand connection and supportConnect, be fixed on concentrator.
2. the cavity type heat absorber that is applied to solar energy line focus heat collector according to claim 1, is characterized in that, described inEndothermic tube, inner rib plate, outer fin are metal material, and endothermic tube is pipe, and internal flow has heat-transfer working medium, in endothermic tube, is provided withInner rib plate, heat absorption tube wall and outer fin surface scribble coating for selective absorption, and outer fin both sides are in vertical direction with fixed angle,Form trapezium structure.
3. the cavity type heat absorber that is applied to solar energy line focus heat collector according to claim 1, is characterized in that, described inGlass cover-plate is embedded between shell internal layer and shell skin, and glass cover-plate lower surface centre position is arranged at concentrator focus place.
4. the cavity type heat absorber that is applied to solar energy line focus heat collector according to claim 1, is characterized in that, described inThe anti-hot plate of crossing is crossed the control of hot plate controlling organization by anti-, drives by the anti-hot plate transmission mechanism of crossing, and realizes anti-unlatching and the pass of crossing hot plateClose.
5. the cavity type heat absorber that is applied to solar energy line focus heat collector according to claim 4, is characterized in that, described inAnti-ly cross hot plate in cavity both sides or side design, cross hot plate rotating shaft and rotate around anti-, cross the control of hot plate controlling organization by anti-, by anti-Cross hot plate transmission mechanism and drive, the anti-form of hot plate transmission mechanism is excessively belt or gear drive, by Electric Machine Control.
6. the cavity type heat absorber that is applied to solar energy line focus heat collector according to claim 4, is characterized in that, described inAnti-hot plate is excessively that flexible material is made, and is opened and closed by the control of anti-hot plate controlling organization excessively, drives by the anti-hot plate transmission mechanism of crossingMoving, anti-hot plate transmission mechanism is excessively belt or chain form, taking pulley as fulcrum transmission, by Electric Machine Control.
7. the cavity type heat absorber that is applied to solar energy line focus heat collector according to claim 4, is characterized in that, described inIt is anti-that to cross hot plate be roller shutter structure, in cavity both sides or side design, and described anti-hot plate transmission mechanism and the anti-hot plate controlling organization of crossing crossedThe as a whole anti-hot plate transmission controlling mechanism of crossing, under opening, the anti-hot plate of crossing is contracted in the anti-hot plate transmission controlling machine of crossingIn structure; In off position, anti-hot plate excessively stretches and blocks cavity hatch.
8. the cavity type heat absorber that is applied to solar energy line focus heat collector according to claim 7, is characterized in that, described inThe anti-hot plate controlling organization of crossing utilizes active motor control or utilizes passive type thermal expansion to drive to control anti-unlatching of crossing hot plateWith close.
9. the cavity type heat absorber that is applied to solar energy line focus heat collector according to claim 1, is characterized in that, described inStand connection is made up of upper and lower two parts, and geometry and absorber match, stand connection and cavity type heat absorber junctionLay insulation material, the upper and lower two parts of stand connection are bolted.
10. the cavity type heat absorber that is applied to solar energy line focus heat collector according to claim 1, is characterized in that, instituteState cavity type heat absorber modularized design, adjacent two heat dumps are by screwed flange or be welded to connect, by stand connection withSupport connects, and is fixed on concentrator.
CN201610130208.4A 2016-03-08 2016-03-08 A kind of cavity type heat absorber applied to solar energy line focus heat collector Active CN105605801B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610130208.4A CN105605801B (en) 2016-03-08 2016-03-08 A kind of cavity type heat absorber applied to solar energy line focus heat collector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610130208.4A CN105605801B (en) 2016-03-08 2016-03-08 A kind of cavity type heat absorber applied to solar energy line focus heat collector

Publications (2)

Publication Number Publication Date
CN105605801A true CN105605801A (en) 2016-05-25
CN105605801B CN105605801B (en) 2018-07-20

Family

ID=55985949

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610130208.4A Active CN105605801B (en) 2016-03-08 2016-03-08 A kind of cavity type heat absorber applied to solar energy line focus heat collector

Country Status (1)

Country Link
CN (1) CN105605801B (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007056988A2 (en) * 2005-11-15 2007-05-24 Durlum-Leuchten Gmbh Lichttechnische Spezialfabrik Solar collector
CN101237200A (en) * 2008-03-05 2008-08-06 云南师范大学 Slot light- focused solar light voltage thermal compound heat collector
CN102192611A (en) * 2010-03-19 2011-09-21 上海锦立新能源科技有限公司 Control method of solar anti-overheat shading system
CN202204186U (en) * 2011-06-15 2012-04-25 云南师范大学 Trench type line focus medium-and-low-temperature integrated solar thermal collector
CN102425865A (en) * 2011-11-07 2012-04-25 深圳市联讯创新工场科技开发有限公司 Solar heat collecting device
CN103134204A (en) * 2011-11-24 2013-06-05 陕西科林能源发展股份有限公司 Optical system for solar thermal power generation
CN203336864U (en) * 2013-07-15 2013-12-11 沧州天瑞星光热技术有限公司 Medium-high temperature solar evacuated collector tube used for slot type heat collecting system
CN204165254U (en) * 2014-10-28 2015-02-18 滕了了 The automatic over-temperature protection of a kind of solar water heater
CN204313509U (en) * 2014-11-26 2015-05-06 中海阳能源集团股份有限公司 A kind of solar energy heating cavity type thermal-collecting tube
CN205403189U (en) * 2016-03-08 2016-07-27 天津大学 Be applied to cavate heat absorber of solar energy line focus heat collector

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007056988A2 (en) * 2005-11-15 2007-05-24 Durlum-Leuchten Gmbh Lichttechnische Spezialfabrik Solar collector
CN101237200A (en) * 2008-03-05 2008-08-06 云南师范大学 Slot light- focused solar light voltage thermal compound heat collector
CN102192611A (en) * 2010-03-19 2011-09-21 上海锦立新能源科技有限公司 Control method of solar anti-overheat shading system
CN202204186U (en) * 2011-06-15 2012-04-25 云南师范大学 Trench type line focus medium-and-low-temperature integrated solar thermal collector
CN102425865A (en) * 2011-11-07 2012-04-25 深圳市联讯创新工场科技开发有限公司 Solar heat collecting device
CN103134204A (en) * 2011-11-24 2013-06-05 陕西科林能源发展股份有限公司 Optical system for solar thermal power generation
CN203336864U (en) * 2013-07-15 2013-12-11 沧州天瑞星光热技术有限公司 Medium-high temperature solar evacuated collector tube used for slot type heat collecting system
CN204165254U (en) * 2014-10-28 2015-02-18 滕了了 The automatic over-temperature protection of a kind of solar water heater
CN204313509U (en) * 2014-11-26 2015-05-06 中海阳能源集团股份有限公司 A kind of solar energy heating cavity type thermal-collecting tube
CN205403189U (en) * 2016-03-08 2016-07-27 天津大学 Be applied to cavate heat absorber of solar energy line focus heat collector

Also Published As

Publication number Publication date
CN105605801B (en) 2018-07-20

Similar Documents

Publication Publication Date Title
CN104567026B (en) Solar thermal collector and method for converting solar energy into mesothermal heat energy by utilizing same
CN109631417A (en) A kind of photovoltaic and photothermal integral device with nocturnal radiation refrigerating function
CN1773190A (en) Solar energy thermoelectric co-supply system
CN103196241B (en) A kind of parabolic trough type solar energy heat collector
CN1844790A (en) Forced circulating type solar stove employing condenser to guide sunlight and high-temperature phase-change material to store solar energy
WO2020001221A1 (en) Combined high-efficiency photo-thermal power station
WO2012055160A1 (en) Light-locking solar thermal collector and light-locking solar thermal collecting method
CN103968564A (en) Panel light condensation type solar water heater without water tank
CN205403189U (en) Be applied to cavate heat absorber of solar energy line focus heat collector
CN201973902U (en) Solar thermal collector adopting gas as working medium
CN2601378Y (en) Focusing plate type solar collector
CN206647016U (en) A kind of line Photospot solar photo-thermal complicated utilization ventilation unit
US20090107488A1 (en) Apparatus and Method for Solar Thermal Energy Collection
CN105605801A (en) Cavity heat receiver applicable to solar line-focus heat collector
CN111219889A (en) Graphene flat-plate heat pipe solar heat collector and preparation method thereof
CN201093777Y (en) Double glass vacuum tube type solar heat collector
CN206387126U (en) Straight ribbed pipe inserts fin slot light collection evacuated solar collector
CN202393032U (en) Parabolic-groove type solar heat collection device
CN208365833U (en) High temperature endothermic device based on compound parabolic concentrator
KR101966213B1 (en) PVT module structure including solar thermal syetem with surface coating for absorbing efficiceny
CN201503142U (en) Pressure-type inner photospot heat-pipe heat collector
CN206320944U (en) Solar energy heating body, heat collector and collecting system with the heat collection body
CN2380866Y (en) Composite walls olar water-heater
CN109297205A (en) A kind of photovoltaic and photothermal coupling and complementing integration utilizes system
CN201715727U (en) Black crystal vacuum tube solar heat collector

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant