CN203116323U - Solar heat absorption device - Google Patents
Solar heat absorption device Download PDFInfo
- Publication number
- CN203116323U CN203116323U CN2013201465172U CN201320146517U CN203116323U CN 203116323 U CN203116323 U CN 203116323U CN 2013201465172 U CN2013201465172 U CN 2013201465172U CN 201320146517 U CN201320146517 U CN 201320146517U CN 203116323 U CN203116323 U CN 203116323U
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- China
- Prior art keywords
- heat
- working fluid
- shell body
- water tank
- pipe
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- Withdrawn - After Issue
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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
- Y02E10/44—Heat exchange systems
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
Provided is a solar heat absorption device. An inner shell body (1), an outer shell body (7) and a working fluid water tank (8) are all cylindrical. The inner shell body (1) and the working fluid water tank (8) are inside the outer shell body (7), wherein the inner shell body (1), the working fluid water tank (8) and the outer shell body (7) are coaxially arranged. The inside of a heat absorber is provided with a plurality of cylindrical heat pipes (3) with metal rib pieces, the axes (RO) of the heat pipes are parallel with the axis (O1O2) of the heat absorber, heat release sections of the heat pipes (3) are placed in the working fluid water tank (8), sleeves (18) are arranged outside the heat release sections of the heat pipes (3), heat absorption sections of the heat pipes (3) are placed in the inner shell body (10) and metal rib pieces are welded on the heat absorption sections of the heat pipes (3), the center of the bottom of the inner shell body (1) and the center of the bottom of the outer shell body (7) are provided with circular light collection openings (6) where an optical glass window (4) and a secondary condenser (5) are arranged, after entering the working fluid water tank (8), a working fluid inlet pipe (10) is divided into a plurality of branch pipes (11), and each branch pipe (11) is connected with the sleeve (12) outside the heat absorption section of each heat pipe.
Description
Technical field
The utility model relates to a kind of solar heat absorber, belongs to solar energy utilization technique.
Background technology
Along with petering out of traditional fossil energy and constantly highlighting of environmental problem, the development and utilization of solar energy is subjected to people's common concern.But the disc type solar energy collecting system is a kind of optically focused utilizes system than height, modularization simple in structure, the solar energy high temperature that is particularly suitable for distributed energy resource system.In the disc type solar energy collecting system, solar heat absorber is the critical component that solar energy is converted to heat energy, and photo-thermal conversion efficiency and the reliability of system had material impact.
The heat dump of disc type solar energy collecting system can be divided into the heat pipe-type heat dump that utilizes the direct-fired direct irradiation formula of focusing sunlight heat dump and utilize the heat pipe principle indirect by the heat absorption mode.Heat dump is installed in the focus place of dish formula concentrator usually, not only needs to bear high temperature, and need bear the hot-spot that inhomogeneous solar radiation causes.Because pipe surface destroys because of overheated easily, so the use of direct irradiation formula heat dump has been subjected to considerable restraint.Compare with direct irradiation formula heat dump, the heat pipe-type heat dump utilizes the phase transformation of working medium to transmit heat, and heat-transfer capability obviously strengthens, the inhomogeneous destruction that is difficult for causing the heat absorption surface of solar radiation.Therefore, the heat pipe type solar heat dump is a kind of photothermal conversion device of function admirable.
Chinese invention patent " high-temperature solar heat pipe receivers " (patent No.: ZL 200710191145.4) has designed a kind of high temperature solar receiver, its heat-absorbing chamber is linked to each other in twos by adjacent special-shaped high-temperature heat pipe endotherm section and centering evenly forms, and heat pipe heat-absorbing section and heat release section separate with ceramic cone; The endotherm section of special-shaped high-temperature heat pipe is fusiformis, and casing pipe sleeve is on the heat release section of special-shaped high-temperature heat pipe, and sleeve pipe is provided with working fluid import, working fluid outlet.Sunshine after concentrator is assembled incides in the heat-absorbing chamber from aperture, and the endotherm section absorption by high-temperature heat pipe becomes heat energy in this transform light energy; Heat energy passes to heat release section from endotherm section; Simultaneously, when the working fluid that flows to from the working fluid inlet tube is flowed through sleeve pipe heat is taken away, flowed out from the working fluid outlet afterwards.This invention has solved defectives such as heat absorption efficiency is low, use is limited to.But the ceramic cone at its heat-absorbing chamber top reflect the incident light line will inevitably some light effusion aperture to the process on heat pipe surface, optical loss is increased; Simultaneously, can directly invest environment by aperture by the long wave heat radiation ray that high-temperature heat pipe sends, the radiation heat transfer loss is big, and heat absorption efficiency is low.
Summary of the invention
The purpose of this utility model provides a kind of solar heat absorber.
The utility model isA kind of solar heat absorber, comprise inner housing 1, insulation material 2, have columned heat pipe 3, windowpane 4, secondary condensation device 5, aperture 6, shell body 7, working fluid water tank 8, working fluid outlet 9, working fluid inlet tube 10, working fluid inlet tube arm 11, the sleeve pipe 12 of mental-finned, inner housing 1, shell body 7 and working fluid water tank 8 are cylindric, inner housing 1, working fluid water tank 8 are in shell body 7 inside, three's coaxial arrangement; Heat dump inside is equipped with some columned heat pipes 3 that have mental-finned, and its axis RO is parallel with heat dump axes O 1O2; Heat pipe 3 heat release section place in the working fluid water tank 8, and sleeve pipe 18 is housed outward; Heat pipe 3 endotherm sections place in the inner housing 10, are welded with mental-finned on it; Inner housing 1, shell body 7 bottom centre have circular aperture 6, and aperture 6 places are equipped with optical windshield 4 and secondary condensation device 5; Working fluid inlet tube 10 is divided into some arms 11 after entering working fluid water tank 7, and every arm 11 links to each other with every heat pipe heat release section sleeve pipe 12 outward.
The utility model compared with prior art has the following advantages:
1. the utility model adopts heat pipe as basic heat-transferring assembly, all scribbles coating for selective absorption on heat pipe and the fin, and all sunrays that enter heat dump inside can both directly project on heat pipe or the fin surface, have improved heat absorption efficiency;
2. heat dump aperture place is equipped with the secondary condensation device, not only can improve the optically focused ratio of system, has reduced by tracking error and makes the optical loss that alignment error etc. causes, and can effectively stop air and flow, and reduces the heat convection loss;
3. windowpane is installed at heat dump aperture place, and the air inside and outside except heat dump capable of blocking flows, and effectively reduces outside the heat convection loss of heat dump, also can reflect the long-wave radiation of being sent by high-temperature heat pipe, reduces the radiation heat transfer loss;
4. the inner housing surface scribbles infrared reflection coating, and the heat radiation ray that heat pipe sends is absorbed by heat pipe again after its reflection, thereby case temperature is reduced, and has reduced conductive heat loss and the radiation heat loss of heat dump.
Description of drawings
Fig. 1 is structural representation of the present utility model, and Fig. 2 is that heat pipe is arranged and fin example of shape figure, in the accompanying drawing: the 1-inner housing; The 2-insulation material; The 3-heat pipe; The 4-windowpane; 5-secondary condensation device; The 6-aperture; The 7-shell body; 8-working fluid water tank; 9-working fluid outlet; 10-working fluid inlet tube; 11-working fluid inlet tube arm; 12-sleeve pipe.
The specific embodiment
As shown in Figure 1 and Figure 2, the utility model isA kind of solar heat absorber, comprise inner housing 1, insulation material 2, have columned heat pipe 3, windowpane 4, secondary condensation device 5, aperture 6, shell body 7, working fluid water tank 8, working fluid outlet 9, working fluid inlet tube 10, working fluid inlet tube arm 11, the sleeve pipe 12 of mental-finned, inner housing 1, shell body 7 and working fluid water tank 8 are cylindric, inner housing 1, working fluid water tank 8 are in shell body 7 inside, three's coaxial arrangement; Heat dump inside is equipped with some columned heat pipes 3 that have mental-finned, and its axis RO is parallel with heat dump axes O 1O2; Heat pipe 3 heat release section place in the working fluid water tank 8, and sleeve pipe 18 is housed outward; Heat pipe 3 endotherm sections place in the inner housing 10, are welded with mental-finned on it; Inner housing 1, shell body 7 bottom centre have circular aperture 6, and aperture 6 places are equipped with optical windshield 4 and secondary condensation device 5; Working fluid inlet tube 10 is divided into some arms 11 after entering working fluid water tank 7, and every arm 11 links to each other with every heat pipe heat release section sleeve pipe 12 outward.
As shown in Figure 1 and Figure 2, inner housing 1 is made by exotic material, scribbles infrared reflection coating on it.Heat pipe 3 is arranged on the circumference apart from heat dump axes O 1O2 different radii, and some heat pipes evenly are installed on the circumference of same radius; The fin of the heat pipe 3 on the circumference of heat dump axes O 1O2 outermost radius is straight rib, and adjacent heat pipe links to each other at endotherm section in twos by fin; Fin on all the other heat pipes is the ring rib.Scribble coating for selective absorption on the endotherm section of heat pipe 3 and the fin.
As shown in Figure 1 and Figure 2, Secondary condensation device 5 is the flat-top taper, and reflectorized material is posted in the inboard; Secondary condensation device top diameter and aperture 6 equal diameters, base diameter and shell body 7 equal diameters.Fill insulant material 2 between inner housing 1, shell body 6, the working fluid water tank 7.
As shown in Figure 1 and Figure 2, the utility model is made up of inner housing 1, insulation material 2, the cylindric heat pipe 3 that has mental-finned, windowpane 4, secondary condensation device 5, aperture 6, shell body 7, working fluid water tank 8, working fluid outlet 9, working fluid inlet tube 10, working fluid inlet tube arm 11, sleeve pipe 12.The heat dump internal placement has heat pipe 3.Sunray is after the concentrator reflection, and ideal light rays directly enters heat dump by the windowpane 4 that is installed in the aperture place, and imperfect light also enters heat dump by windowpane 4 through the reflection of secondary condensation device 5; Incident ray is directly absorbed by the endotherm section of heat pipe 3 or mental-finned after entering heat dump, and solar radiant energy converts heat energy to; Heat energy reaches heat release section by the endotherm section of heat pipe 3; Simultaneously, the working fluid that flows to from working fluid inlet tube 10 enters in the sleeve pipe 12 of high-temperature heat pipe 3 outsides through behind the arm 11, and heat is taken away, and flows out from working fluid outlet 9 afterwards.
Present embodiment has been considered the heat absorption capacity of whole heat dump, and incident ray can both directly project on heat pipe surface or the mental-finned after entering heat dump, has improved heat absorption capacity; Heat dump has secondary condensation device 5, both can improve system's optically focused ratio, can effectively stop air again and flow, and reduces the heat convection loss; Aperture 5 places are equipped with the windowpane 4 of high transmission rate, and the air inside and outside except heat dump capable of blocking flows, and reduce outside the heat convection loss, also can reflect the long-wave radiation that high-temperature heat pipe sends, and reduce the radiation heat transfer loss; Inner housing 1 surface scribbles infrared reflection coating, is used for the heat radiation ray that the reflection heat pipe sends, and can reduce case temperature, reduces conductive heat loss and the radiation heat loss of heat dump.So just reduce the heat loss of heat dump to greatest extent, guaranteed heat absorption efficiency.
Claims (6)
1. solar energy heat absorbing device, comprise inner housing (1), insulation material (2), the columned heat pipe (3) that has mental-finned, windowpane (4), secondary condensation device (5), aperture (6), shell body (7), working fluid water tank (8), working fluid outlet (9), working fluid inlet tube (10), working fluid inlet tube arm (11), sleeve pipe (12), it is characterized in that inner housing (1), shell body (7) and working fluid water tank (8) are cylindric, inner housing (1), working fluid water tank (8) is in shell body (7) inside, three's coaxial arrangement; Heat dump inside is equipped with some columned heat pipes (3) that have mental-finned, and its axis (RO) is parallel with heat dump axis (O1O2); Heat pipe (3) heat release section places in the working fluid water tank (8), and sleeve pipe (18) is housed outward; Heat pipe (3) endotherm section places in the inner housing (10), is welded with mental-finned on it; Inner housing (1), shell body (7) bottom centre have circular aperture (6), and aperture (6) locates to be equipped with optical windshield (4) and secondary condensation device (5); Working fluid inlet tube (10) enters working fluid water tank (7) and is divided into some arms (11) afterwards, and every arm (11) links to each other with every heat pipe heat release section sleeve pipe (12) outward.
2. solar energy heat absorbing device according to claim 1, it is characterized in that: described inner housing (1) is made by exotic material, scribbles infrared reflection coating on it.
3. solar energy heat absorbing device according to claim 1 is characterized in that: described heat pipe (3) is arranged on the circumference apart from heat dump axis (O1O2) different radii, and some heat pipes evenly are installed on the circumference of same radius; The fin of the heat pipe (3) on the circumference of heat dump axis (O1O2) outermost radius is straight rib, and adjacent heat pipe links to each other at endotherm section in twos by fin; Fin on all the other heat pipes is the ring rib.
4. solar energy heat absorbing device according to claim 1 is characterized in that: scribble coating for selective absorption on the endotherm section of described heat pipe (3) and the fin.
5. solar energy heat absorbing device according to claim 1 is characterized in that: described secondary condensation device (5) is the flat-top taper, and reflectorized material is posted in the inboard; Secondary condensation device top diameter and aperture (6) equal diameters, base diameter and shell body (7) equal diameters.
6. solar energy heat absorbing device according to claim 1 is characterized in that: fill insulant material (2) between described inner housing (1), shell body (6), the working fluid water tank (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201465172U CN203116323U (en) | 2013-03-28 | 2013-03-28 | Solar heat absorption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201465172U CN203116323U (en) | 2013-03-28 | 2013-03-28 | Solar heat absorption device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203116323U true CN203116323U (en) | 2013-08-07 |
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ID=48896659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201465172U Withdrawn - After Issue CN203116323U (en) | 2013-03-28 | 2013-03-28 | Solar heat absorption device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203116323U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148607A (en) * | 2013-03-28 | 2013-06-12 | 兰州理工大学 | Solar heat absorber |
-
2013
- 2013-03-28 CN CN2013201465172U patent/CN203116323U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148607A (en) * | 2013-03-28 | 2013-06-12 | 兰州理工大学 | Solar heat absorber |
| CN103148607B (en) * | 2013-03-28 | 2015-03-11 | 兰州理工大学 | Solar heat absorber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130807 Effective date of abandoning: 20150311 |
|
| RGAV | Abandon patent right to avoid regrant |