CN202928134U - Composite paraboloid solar energy focusing vacuum pipe heat collector - Google Patents
Composite paraboloid solar energy focusing vacuum pipe heat collector Download PDFInfo
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- CN202928134U CN202928134U CN2012203470077U CN201220347007U CN202928134U CN 202928134 U CN202928134 U CN 202928134U CN 2012203470077 U CN2012203470077 U CN 2012203470077U CN 201220347007 U CN201220347007 U CN 201220347007U CN 202928134 U CN202928134 U CN 202928134U
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- Prior art keywords
- solar energy
- pipe
- vacuum tube
- energy vacuum
- heat pipe
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- Expired - Fee Related
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- 239000002131 composite material Substances 0.000 title claims abstract description 39
- 239000004570 mortar (masonry) Substances 0.000 claims description 13
- 239000000956 alloy Substances 0.000 claims description 11
- 229910045601 alloy Inorganic materials 0.000 claims description 11
- 229910000833 kovar Inorganic materials 0.000 claims description 11
- 239000011148 porous material Substances 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 238000009833 condensation Methods 0.000 claims description 9
- 230000005494 condensation Effects 0.000 claims description 9
- 230000008020 evaporation Effects 0.000 claims description 6
- 238000001704 evaporation Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 2
- 239000004568 cement Substances 0.000 abstract 3
- 230000009970 fire resistant effect Effects 0.000 abstract 3
- 238000007710 freezing Methods 0.000 abstract 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- 239000012530 fluid Substances 0.000 description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 8
- 239000011521 glass Substances 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000002528 anti-freeze Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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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
Abstract
The utility model relates to a composite paraboloid solar energy focusing vacuum pipe heat collector and belongs to the technical field of solar energy utilization. The composite paraboloid solar energy focusing vacuum pipe heat collector comprises a solar energy vacuum pipe, a heat pipe, a composite paraboloid light condensed groove, a fire-resistant cement gum sleeve and a pipeline assembly, wherein the solar energy vacuum pipe is placed in the composite paraboloid light condensed groove, the heat pipe is fixed in the fire-resistant cement gum sleeve which is arranged at the bottom of the solar energy vacuum pipe, the heat pipe is fixed by the fire-resistant cement gum sleeve, the pipeline assembly is placed on the solar energy vacuum pipe, and the upper end of the heat pipe is inserted into a sleeve pipe which is parallel to the pipeline assembly. The composite paraboloid solar energy focusing vacuum pipe heat collector has the advantages of being light in weight, capable of being modularized and freely combined, convenient to install, fast in startup, strong in anti-freezing ability, good in heat transfer property, anti-scaling, reliable in use, high in pressure bearing, little in heat loss and long in service life.
Description
Technical field
The utility model relates to a kind of solar thermal collector, and particularly composite parabolic focused solar energy vacuum tube collector, belong to technical field of solar utilization technique.
Background technology
The radiant power of the sun reaches 3.8 x 1023 kW, and wherein, approximately 1.08x 1014 kW are radiated earth surface.It is estimated, the sun is radiated tellurian energy within January, and can support all non-renewable energy resources gross reserves that comprise fossil fuel, atomic energy etc. on the earth 10 times more than, solar energy is really inexhaustible, the nexhaustible energy.China belongs to the country that solar energy resources quite enriches, and 2/3 area year sunshine time of area is greater than 2200h, and unit are solar radiation total amount is higher than 5016MJ/m2.The solar energy that development and utilization aboundresources, distribution are extremely wide when providing clean energy resource to the mankind, can also reach the requirement of zero pollution and zero-emission, can greatly accelerate and promote the realization of China's target for energy-saving and emission-reduction.
The method of utilizing of solar energy is diversified, but at present, is the simplest and efficient mode to the direct heat utilization of solar radiation.Heat pipe is as a kind of efficient heat transfer element, just obtained development rapidly since appearance, is widely applied in a lot of fields.Solar energy vacuum tube and heat pipe are combined form advantage that solar energy evacuated heat pipe has just collected both in one, solar energy evacuated heat pipe is due to the advantage separately that combines vacuum tube and heat pipe, thus it have antifreeze ability strong, start fast, good heat-transfer, good antiscale property, the characteristics such as use is reliable, pressure-bearing is high and heat loss is little.
Summary of the invention
The purpose of this utility model is to provide a kind of novel structure, composite parabolic focused solar energy vacuum tube collector that the thermal efficiency is high, starts the problems such as slow, that heat transfer property is poor, and the life-span is short to solve solar thermal collector.
The utility model is realized by following technical scheme: a kind of composite parabolic focused solar energy vacuum tube collector comprises solar energy vacuum tube 1, heat pipe 3, composite parabolic condenser groove 4, refractory mortar cover 5, conduit assembly 8; Solar energy vacuum tube 1 is placed in composite parabolic condenser groove 4, heat pipe 3 is fixed in the refractory mortar cover 5 that solar energy vacuum tube 1 bottom is equipped with, refractory mortar cover 5 is fixed heat pipe 3, one or more layers oxidation resistant coating for selective absorption is electroplated or scribbled to heat pipe 3, conduit assembly 8 is placed on solar energy vacuum tube 1, in the parallel sleeve pipe of heat pipe 3 upper ends insertion conduit assemblies 8.
Described heat pipe 3 and solar energy vacuum tube 1 top kovar alloy 6 sealings, kovar alloy 6 is evacuated the space between solar energy vacuum tube 1 and heat pipe 3.Described heat pipe 3 is placed on the focal position of composite parabolic condenser groove 4.Fin 2 is equipped with in the evaporation ends both sides of described heat pipe 3, and one or more layers oxidation resistant coating for selective absorption is electroplated or scribbled to fin 2.Described solar energy vacuum tube 1 is for cancelling the turbine vacuum pipe of coating.The condensation end of described heat pipe 3 is equipped with reinforced heat exchanger 7, as: with longitudinal fin (plain film or corrugated plate), aciculiform rib or external screw thread.Described conduit assembly 8 is comprised of two parts pipe and the one or more parallel sleeve pipe that is uniformly distributed between two collectors, and lower collector pipe is provided with one or more pores.Described heat pipe 3 upper ends are by in the parallel sleeve pipe on the pore insertion conduit assembly 8 of conduit assembly 8 lower collector pipe.The existing coefficient of expansion and the Bohemian glass of described kovar alloy 6 are close.In described heat pipe 3, working fluid is according to operating temperature range available water, ethanol, methyl alcohol, acetone etc. and composition thereof.
Operation principle: a sun spoke part is penetrated through solar energy vacuum tube 1, shine on heat pipe 3 and fin 2, another part is mapped on composite parabolic condenser groove 4, and condenser groove reflexes on heat pipe 3 and fin 2, simultaneously, absorbed by selective coating, temperature rises, and heat passes to heat pipe 3 hot junctions (evaporator section) simultaneously, and the interior working medium of heat pipe 3 absorbs the heat explosive evaporation, under the effect of pressure reduction, the heat-pipe working medium of gaseous state is pressed to heat pipe 3 cold junctions (condensation end); Gaseous working medium condenses in the cold junction heat release, heat is passed to heat pipe 3, then a part of heat is directly passed to the fluid that is heated in the outside from heat pipe 3, another part is passed to the reinforced heat exchanger 7 of condensation end, transferred heat to by reinforced heat exchanger 7 again and be heated fluid, under Action of Gravity Field, condensation water backflows to heat pipe 3 bottoms (hot junction) along heat pipe 3 inwalls, completes a circulation simultaneously.
The utlity model has following beneficial effect:
1, this heat collector is owing to adopting heat pipe as heat transfer component, so bearing capacity is high, frost resistance is strong, is applicable to be heated fluid application scenario with pressure;
2, security performance is good, can solve cold quick-fried problem of all-glass vacuum tube thermal explosion in summer and winter, also can normally move in the situation that external environment is abominable;
3, Heat-collecting effect is good, uses the composite parabolic condenser groove can increase caloric receptivity;
4, be evacuated between vacuum tube and heat pipe, the stress that can avoid the thermal expansion difference between glass tube and interior metal pipe to cause, and can effectively reduce heat loss coefficient, reduce heat loss;
5, adopt refractory mortar cover opposite heat tube to be fixed, can effectively prevent heat pipe rocking in vacuum tube;
6, coating for selective absorption is coated on sleeve pipe and fin, makes heat collector better to the assimilation effect of solar radiation heat, and the running temperature of vacuum tube glass is descended, and when reducing heat waste, can extend the service life of vacuum tube;
7, condensation end installs reinforced heat exchanger additional, can strengthen heat exchange efficiency and the heat exchange amount of heat collector, and can effectively improve the temperature that is heated fluid;
8, the groined type of heat pipe cold junction has the conduit assembly energy enhanced heat exchange of sleeve structure, can improve collector efficiency, guarantees simultaneously to be heated the balanced heating of fluid.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the utility model solar energy vacuum tube sectional structure schematic diagram.
In figure, each label is: 1: solar energy vacuum tube, 2: fin, 3: heat pipe, 4: composite parabolic condenser groove, 5: refractory mortar cover, 6: kovar alloy, 7: reinforced heat exchanger, 8: conduit assembly.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, but content of the present utility model is not limited to described scope.
Embodiment 1: as shown in Fig. 1-2, a kind of composite parabolic focused solar energy vacuum tube collector comprises solar energy vacuum tube 1, heat pipe 3, composite parabolic condenser groove 4, refractory mortar cover 5, conduit assembly 8; Solar energy vacuum tube 1 is placed in composite parabolic condenser groove 4, and heat pipe 3 is fixed in the refractory mortar cover 5 that solar energy vacuum tube 1 bottom is equipped with, and conduit assembly 8 is placed on solar energy vacuum tube 1, and insert in the parallel sleeve pipe of conduit assemblies 8 heat pipe 3 upper ends.
Heat pipe 3 and solar energy vacuum tube 1 top use kovar alloy 6 seal weldings.Heat pipe 3 is placed on the focal position of composite parabolic condenser groove 4.Fin 2 is equipped with in the evaporation ends both sides of heat pipe 3.Solar energy vacuum tube 1 is for cancelling the turbine vacuum pipe of coating.The condensation end of heat pipe 3 is equipped with reinforced heat exchanger 7.Conduit assembly 8 is comprised of two parts pipe and the one or more parallel sleeve pipe that is uniformly distributed between two collectors, and lower collector pipe is provided with one or more pores.Heat pipe 3 upper ends are by in the parallel sleeve pipe on the pore insertion conduit assembly 8 of conduit assembly 8 lower collector pipe.The existing coefficient of expansion and the Bohemian glass of kovar alloy 6 are close.In heat pipe 3, working fluid is according to operating temperature range available water, ethanol, methyl alcohol, acetone etc. and composition thereof.
Embodiment 2: as shown in Fig. 1-2, a kind of composite parabolic focused solar energy vacuum tube collector comprises solar energy vacuum tube 1, heat pipe 3, composite parabolic condenser groove 4, refractory mortar cover 5, conduit assembly 8; Solar energy vacuum tube 1 is placed in composite parabolic condenser groove 4, and heat pipe 3 is fixed in the refractory mortar cover 5 that solar energy vacuum tube 1 bottom is equipped with, and conduit assembly 8 is placed on solar energy vacuum tube 1, and insert in the parallel sleeve pipe of conduit assemblies 8 heat pipe 3 upper ends.
Heat pipe 3 and solar energy vacuum tube 1 top use kovar alloy 6 seal weldings.Heat pipe 3 is placed on the focal position of composite parabolic condenser groove 4.Fin 2 is equipped with in the evaporation ends both sides of heat pipe 3.Solar energy vacuum tube 1 is for cancelling the turbine vacuum pipe of coating.The condensation end of heat pipe 3 is equipped with reinforced heat exchanger 7.Conduit assembly 8 is comprised of two parts pipe and 3 parallel sleeve pipes being uniformly distributed between two collectors, and lower collector pipe is provided with 3 pores.Heat pipe 3 upper ends are by in the parallel sleeve pipe on the pore insertion conduit assembly 8 of conduit assembly 8 lower collector pipe.The existing coefficient of expansion and the Bohemian glass of kovar alloy 6 are close.In heat pipe 3, working fluid is ethanol, methyl alcohol, acetone etc. and composition thereof.
Embodiment 3: as shown in Fig. 1-2, a kind of composite parabolic focused solar energy vacuum tube collector comprises solar energy vacuum tube 1, heat pipe 3, composite parabolic condenser groove 4, refractory mortar cover 5, conduit assembly 8; Solar energy vacuum tube 1 is placed in composite parabolic condenser groove 4, and heat pipe 3 is fixed in the refractory mortar cover 5 that solar energy vacuum tube 1 bottom is equipped with, and conduit assembly 8 is placed on solar energy vacuum tube 1, and insert in the parallel sleeve pipe of conduit assemblies 8 heat pipe 3 upper ends.
Heat pipe 3 and solar energy vacuum tube 1 top use kovar alloy 6 seal weldings.Heat pipe 3 is placed on the focal position of composite parabolic condenser groove 4.Fin 2 is equipped with in the evaporation ends both sides of heat pipe 3.Solar energy vacuum tube 1 is for cancelling the turbine vacuum pipe of coating.The condensation end of heat pipe 3 is equipped with reinforced heat exchanger 7.Conduit assembly 8 is comprised of two parts pipe and 5 parallel sleeve pipes being uniformly distributed between two collectors, and lower collector pipe is provided with 5 pores.Heat pipe 3 upper ends are by in the parallel sleeve pipe on the pore insertion conduit assembly 8 of conduit assembly 8 lower collector pipe.The existing coefficient of expansion and the Bohemian glass of kovar alloy 6 are close.In heat pipe 3, working fluid is water, methyl alcohol, acetone etc. and composition thereof.
Claims (8)
1. a composite parabolic focused solar energy vacuum tube collector, is characterized in that: comprise solar energy vacuum tube (1), heat pipe (3), composite parabolic condenser groove (4), refractory mortar cover (5), conduit assembly (8); Solar energy vacuum tube (1) is placed in composite parabolic condenser groove (4), heat pipe (3) is fixed in the refractory mortar cover (5) that solar energy vacuum tube (1) bottom is equipped with, conduit assembly (8) is placed on solar energy vacuum tube (1), in the parallel sleeve pipe of heat pipe (3) upper end insertion conduit assembly (8).
2. composite parabolic focused solar energy vacuum tube collector according to claim 1, is characterized in that: described heat pipe (3) and solar energy vacuum tube (1) top kovar alloy (6) sealing.
3. composite parabolic focused solar energy vacuum tube collector according to claim 1, it is characterized in that: described heat pipe (3) is placed on the focal position of composite parabolic condenser groove (4).
4. composite parabolic focused solar energy vacuum tube collector according to claim 1 is characterized in that: fin (2) is equipped with in the evaporation ends both sides of described heat pipe (3).
5. composite parabolic focused solar energy vacuum tube collector according to claim 1 is characterized in that: described solar energy vacuum tube (1) is for cancelling the turbine vacuum pipe of coating.
6. composite parabolic focused solar energy vacuum tube collector according to claim 1, it is characterized in that: the condensation end of described heat pipe (3) is equipped with reinforced heat exchanger (7).
7. composite parabolic focused solar energy vacuum tube collector according to claim 1, it is characterized in that: described conduit assembly (8) is comprised of two parts pipe and the one or more parallel sleeve pipe that is uniformly distributed between two collectors, and lower collector pipe is provided with one or more pores.
8. composite parabolic focused solar energy vacuum tube collector according to claim 1 is characterized in that: described heat pipe (3) the upper end pore by conduit assembly (8) lower collector pipe inserts in parallel sleeve pipe on conduit assembly (8).
Priority Applications (1)
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CN2012203470077U CN202928134U (en) | 2012-07-18 | 2012-07-18 | Composite paraboloid solar energy focusing vacuum pipe heat collector |
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CN2012203470077U CN202928134U (en) | 2012-07-18 | 2012-07-18 | Composite paraboloid solar energy focusing vacuum pipe heat collector |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107388606A (en) * | 2017-06-19 | 2017-11-24 | 云南赛诚能源开发集团有限公司 | Solar water heating system |
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2012
- 2012-07-18 CN CN2012203470077U patent/CN202928134U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107388606A (en) * | 2017-06-19 | 2017-11-24 | 云南赛诚能源开发集团有限公司 | Solar water heating system |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20150718 |
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EXPY | Termination of patent right or utility model |