CN102937339A - Pressure-bearing-type solar heat collector - Google Patents
Pressure-bearing-type solar heat collector Download PDFInfo
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- CN102937339A CN102937339A CN2012105019594A CN201210501959A CN102937339A CN 102937339 A CN102937339 A CN 102937339A CN 2012105019594 A CN2012105019594 A CN 2012105019594A CN 201210501959 A CN201210501959 A CN 201210501959A CN 102937339 A CN102937339 A CN 102937339A
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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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Abstract
The invention relates to the field of solar heat utilization, and in particular relates to a pressure-bearing-type solar heat collector capable of guaranteeing the completeness of a structure of glass heat pipes and a metal heat exchange pipe during the using process. The pressure-bearing-type solar heat collector comprises a heat exchange device, a heat collecting device and a tail frame, wherein the heat exchange device is internally provided with a heat exchange pipe from which heat exchange working media can pass, the heat exchange pipe is internally provided with the heat exchange working media, and is provided with a liquid inlet pipe and a liquid outlet pipe; the heat collecting device comprises a plurality of glass heat pipes, each glass heat pipe is provided with a condensation end which is arranged in the heat exchange device and can be used for performing the heat exchange with the heat exchange pipe, the heat exchange device further comprises a flexible heat exchange casing pipe which is arranged between the condensation pipe of each glass heat pipe and the heat exchange pipe and is used for connecting the condensation end of each glass heat pipe and the heat exchange pipe; each glass heat pipe is provided with a tail support which is fixed on the tail frame.
Description
Technical field
The present invention relates to solar energy heat utilization field, be specifically related to a kind of pressure-bearing type solar heat collector.
Background technology
Solar energy is the inexhaustible energy, has distribution extensive, without advantages such as exploitation and transportations.Solar thermal utilization is one of major way of utilizing of solar energy, for the to protect mankind life condition with to carry out sustainable development all very favourable.Solar thermal utilization be divided into low-grade utility, in warm utilization and high temperature heat utilization, at present in China, take solar water heater and heat collector as main low-grade utility technology the most ripe, conversion efficiency is higher, cheap, thereby has obtained higher industrialization level.
Along with the development growth of solar low-temperature heat utilization, the Photo-thermal technology application fields such as vacuum heat collection pipe, solar thermal collector, hot-water heating system also, carrying out constantly deeply developing, are promoting technology and industrial upgrading.
Solar thermal collector, as the core cell of solar thermal utilization, is subject to developer's close attention all the time.At present, by applying working condition, can be divided into two kinds, a kind of is the non-bearing type solar thermal collector; Another kind is pressure-bearing type solar heat collector.The non-bearing type solar thermal collector is simple with its technique, mature and reliable, with low costly also be widely used, and is particularly suitable for concentrating thermal-arrest heavy construction hot water field.But due to the complete open type operation of this type systematic, directly, by the water circulation heat exchange, it is antifreeze for system that cold district can consume a large amount of supplementary energies, causes system thermal efficiency on the low side, and system reliability is also poor.Pressure-bearing type solar heat collector has solved preferably the low problem of its thermal efficiency on the basis of non-bearing type solar thermal collector.In the pipeline of pressure-bearing type solar heat collector, the airtight bearing operation of heat-exchange working medium, heat-exchange working medium is generally anti-icing fluid, and feasible system own is antifreeze, in the simultaneity factor bearing operation, can realize higher temperature, more stable efficiency.So just require pressure-bearing type solar heat collector withstand voltage good, structural strength is high, uses reliably, for this reason, the vacuum heat collection pipe of U-shaped copper pipe or metal heat pipe is inserted in the more use in market now, also has small part to make the flat plate collector of runner with copper pipe.Although said structure has guaranteed hot property and the security performance of heat collector, but because used a large amount of precious metal materials, cause the problem that the pressure-bearing type solar heat collector cost is higher, the marketing difficulty, at a small amount of family, by hot-water heating system, apply to some extent at present, seldom for the hot system of large-scale centralized.
In order to reduce the cost of pressure-bearing type solar heat collector, the use of glass heat pipe has been pushed to market.Glass heat pipe has the inner vacuum structure, and this inner vacuum structure is filled with heat-transfer working medium, by the phase transformation of heat-transfer working medium, realizes conducting heat.Glass heat pipe is mainly used on common straight cutting water falling type solar water heater, and has started scale is arranged to make the non-bearing type solar thermal collector, but is applied in pressure-bearing type solar heat collector some problems that still run into.Due to the heat exchange structure of pressure-bearing type solar heat collector for for guaranteeing the metal material of heat exchange efficiency, and in use, the heat collector that glass heat pipe is made need to carry out transmission of heat by contact with the heat exchange structure of metal material, in this process, glass heat pipe is easily broken, so be difficult for promoting the use of in market.
Summary of the invention
The invention provides a kind of pressure-bearing type solar heat collector, can effectively guarantee glass heat pipe and metal heat-exchange structure structural integrity in use.
The invention provides a kind of pressure-bearing type solar heat collector, comprising:
Heat-exchanger rig, its inside is provided with the heat exchanger tube flow through for heat-exchange working medium, and this heat exchanger tube inside is equipped with heat-exchange working medium, and described heat exchanger tube is provided with feed tube and drain pipe;
Heat collector, it comprises a plurality of glass heat pipes, and each described glass heat pipe has condensation end, and described condensation end is placed in described heat-exchanger rig inside and carries out exchange heat with described heat exchanger tube;
Wherein, described heat-exchanger rig further comprises flexible heat exchange sleeve, and it is arranged between the condensation end and described heat exchanger tube of described glass heat pipe, and condensation end and described heat exchanger tube for connecting described glass heat pipe;
Tailstock, wherein, described glass heat pipe has the tail holder, and described tail holder is fixed on described tailstock.
In various embodiments of the present invention, preferably, described heat exchanger tube has flat tubular structure.
In various embodiments of the present invention, preferably, described heat exchanger tube comprises a plurality of projections, the condensation end of each described glass heat pipe is separately positioned on described a plurality of high spot, and being wrapped in the inside of described projection, the condensation end of described glass heat pipe is connected with described projection by described flexible heat exchange sleeve.
In various embodiments of the present invention, preferably, described heat exchanger tube has MCA, and this MCA has vesicular texture in the cross section flowed on direction perpendicular to described heat-exchange working medium.
In various embodiments of the present invention, preferably, described glass heat pipe has segment glass structure and part metals structure;
And/or;
Described glass heat pipe is all-glass construction.
In various embodiments of the present invention, preferably, described flexible heat exchange sleeve has cylinder-like structure, and wraps up the condensation end of described glass heat pipe fully.
In various embodiments of the present invention, preferably, be provided with the breach extended along the axis direction of described cylinder-like structure on described flexible heat exchange sleeve, this opening is arranged on the position that described flexible heat exchange sleeve does not contact with described heat exchanger tube;
And/or,
Be provided with the protuberance extended along the axis direction of described cylinder-like structure on described flexible heat exchange sleeve, this protuberance protrudes to the axis direction away from described cylinder-like structure.
In various embodiments of the present invention, preferably, described heat-exchanger rig further comprises shell, between this shell and described heat exchanger tube, is provided with heat-insulation layer;
And/or;
Be provided with heat-conducting layer between the condensation end of described glass heat pipe and described flexible heat exchange sleeve.
In various embodiments of the present invention, preferably, described feed tube and described heat exchanger tube are syndeton or integrated formed structure;
And/or;
Described drain pipe and described heat exchanger tube are syndeton or integrated formed structure.
In various embodiments of the present invention, preferably, between described glass heat pipe and described heat-exchanger rig, be provided with hermetically-sealed construction;
And/or;
The area of described heat exchanger tube on the cross section of the flow direction perpendicular to described heat-exchange working medium is more than or equal to 100 square millimeters.
The pressure-bearing type solar heat collector provided by various embodiments of the present invention, can bring following at least one beneficial effect:
1. can effectively guarantee glass heat pipe and metal heat-exchange structure structural integrity in use.Due in the prior art, heat exchange structure is often for guaranteeing the metal structure of heat exchange efficiency, and heat exchange structure directly contacts the fragmentation that can cause condensation end with the condensation end of glass heat pipe.And pressure-bearing type solar heat collector of the present invention is provided with flexible heat exchange sleeve between the condensation end of heat exchanger tube and glass heat pipe, between the condensation end of glass heat pipe and heat exchanger tube, directly do not contact, but be connected with heat exchanger tube by this flexibility heat exchange sleeve, preferably, flexible heat exchange sleeve fully is connected respectively with between the condensation end of glass heat pipe and heat exchanger tube, farthest reduce resistance to heat, improve heat exchange efficiency.Such structure setting can be on the basis of the heat exchange efficiency of the condensation end that effectively guarantees glass heat pipe and heat exchanger tube, avoid heat exchanger tube directly to contact with the condensation end of glass heat pipe, thereby effectively guarantee glass heat pipe and metallic heat exchanging tube structural integrity in use.
2. raising heat exchange efficiency.In an embodiment of the present invention, heat exchanger tube is provided with flat tubular structure, a plurality of projections are set on the heat exchanger tube of flat tubulose, and the condensation end of glass heat pipe is arranged on to high spot, the condensation end of glass heat pipe is connected by flexible heat exchange sleeve with the projection of heat exchanger tube simultaneously, so also can further improves heat exchange efficiency by the mode of enlarge active surface.Further, between the shell of heat-exchanger rig and heat exchanger tube, heat-insulation layer is set, thereby can effectively reduces the loss of the entrained heat of heat exchanger tube, and then improve heat exchange efficiency.Further, between the condensation end of glass heat pipe and flexible heat exchange sleeve, heat-conducting layer is set, can improves the condensation end of glass heat pipe and the heat transfer efficiency between flexible heat exchange sleeve, and then improve heat exchange efficiency.
3. raising resistance to pressure.In an embodiment of the present invention, heat exchanger tube is arranged to have to the heat exchanger tube of MCA, MCA is the structure with a plurality of independently microchannels.When heat-exchange working medium flows through from the heat exchanger tube of MCA, a small amount of heat-exchange working medium of each MCA inside is exerted pressure to the conduit wall of its microchannel, place respectively, will disperse like this heat-exchange working medium conduit wall applied pressure to a heat exchanger tube, thereby improve the resistance to pressure of structure.
4. reduced the cost of structure.In an embodiment of the present invention, the glass heat pipe that heat collector adopts, with respect to all-metal construction, can reduce material cost and the production cost of structure.Preferably, glass heat pipe can adopt segment glass structure and the manufacture of part metals textural association; More preferably, glass heat pipe adopts the all-glass construction manufacture.
The accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in below describing is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawing illustrated embodiments other embodiment and accompanying drawing thereof.
The structural representation of a kind of embodiment that Fig. 1 is pressure-bearing type solar heat collector of the present invention;
The partial enlarged drawing that Fig. 2 is Fig. 1;
The location diagram of the condensation end of the glass heat pipe that Fig. 3 is a kind of embodiment of the present invention, flexible heat exchange sleeve, heat exchanger tube;
The structural representation of a kind of embodiment that Fig. 4 is flexible heat exchange sleeve of the present invention;
The structural representation of the another kind of embodiment that Fig. 5 is flexible heat exchange sleeve of the present invention;
The sectional view of a kind of embodiment that Fig. 6 is heat exchanger tube of the present invention;
Fig. 7 is the sectional view that heat exchanger tube of the present invention has a kind of embodiment of MCA.
The specific embodiment
Below with reference to accompanying drawing, the technical scheme of various embodiments of the present invention is carried out to clear, complete description, obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills are resulting all other embodiment under the prerequisite of not making creative work, all belong to the scope that the present invention protects.
In embodiments of the invention one, pressure-bearing type solar heat collector comprises:
Heat-exchanger rig, its inside is provided with the heat exchanger tube flow through for heat-exchange working medium, and this heat exchanger tube inside is equipped with heat-exchange working medium, and described heat exchanger tube is provided with feed tube and drain pipe;
Heat collector, it comprises a plurality of glass heat pipes, and each described glass heat pipe has condensation end, and described condensation end is placed in described heat-exchanger rig inside and carries out exchange heat with described heat exchanger tube;
Wherein, described heat-exchanger rig further comprises flexible heat exchange sleeve, and it is arranged between the condensation end and described heat exchanger tube of described glass heat pipe, and condensation end and described heat exchanger tube for connecting described glass heat pipe;
Tailstock, wherein, described glass heat pipe has the tail holder, and described tail holder is fixed on described tailstock.
With reference to Fig. 1, embodiment mono-is described:
In Fig. 1, pressure-bearing type solar heat collector comprises heat-exchanger rig 1, and its inside is provided with the heat exchanger tube 2 flow through for heat-exchange working medium, and heat exchanger tube 2 places are provided with flexible heat exchange sleeve 3, and the two ends of heat exchanger tube are connected with respectively feed tube 4 and drain pipe 9.Heat collector is provided with glass heat pipe 5, and its condensation end is placed in the inside of heat-exchanger rig 1, with heat exchanger tube 2, carries out exchange heat and transmission.Wherein, the condensation end of glass heat pipe 5 does not directly contact with heat exchanger tube 2, but fully connects by the flexible heat exchange sleeve 3 that is arranged on the two, guarantees heat exchange efficiency, realizes exchange heat.Heat collector is provided with framework 6 and tailstock 7, and the tail holder 8 of glass heat pipe 5 is fixed on tailstock 7.In the pressure-bearing type solar heat collector of Fig. 1, heat-exchange working medium flows into heat exchanger tube 2 inside from feed tube 4, and flows out from drain pipe 9, and feed tube 4 and drain pipe 9 can be realized the free flow of heat-exchange working medium.This heat-exchange working medium carries out exchange heat with the condensation end of glass heat pipe 5 in flow process.Heat collector comprises a plurality of glass heat pipes 5, to this, does not limit the number of glass heat pipe 5, to satisfy the demand, gets final product.The condensation end of each glass heat pipe 5 is placed in heat-exchanger rig inside and carries out exchange heat with heat exchanger tube 2.In order to guarantee heat exchange efficiency; heat exchanger tube 2 is often metal structure; for the condensation end of effectively avoiding glass heat pipe 5 contacts and causes fragmentation with heat exchanger tube 2 in use; between the condensation end of glass heat pipe 5 and heat exchanger tube 2, flexible heat exchange sleeve 3 is set, effectively the structural integrity in use of the condensation end of cover glass heat pipe.Flexible heat exchange sleeve 3 needs fully fully the condensation end of glass heat pipe to be connected with heat exchanger tube, reduces heat transmission resistance, guarantees heat transfer efficiency.Preferably, flexible heat exchange sleeve select elastoplasticity and toughness all stronger high thermal conductivity coefficient material make, thereby play, conduct heat and the protection effect.For example, flexible heat exchange sleeve can be thinner sheet metal, thereby guarantees its elastoplasticity and toughness, and preferably, the diameter of flexible heat exchange sleeve is less than the diameter of the condensation end of glass heat pipe, to guarantee the two close contact.
On the basis of embodiment mono-, preferably, heat exchanger tube has flat tubular structure, and with reference to the cross section of the heat exchanger tube 2 shown in Fig. 6, the heat exchanger tube 2 of flat tubulose has the heat-exchange working medium flow passage chamber 21 of flat.In use, the one side that the heat exchanger tube of flat tubulose extends along its length contacts with flexible heat exchange sleeve, and further with the condensation end of glass heat pipe, contact to carry out exchange heat, such structure can increase the exchange heat area of circular tube structure of the prior art, thereby improves heat exchange efficiency.
On the basis of embodiment mono-, preferably, heat exchanger tube is arranged to comprise to the structure of a plurality of projections, these protruding shape and size are according to the round tube shape setting of the condensation end of glass heat pipe, and the part of the condensation end of glass heat pipe is wrapped in to protruding inside, the extrados of protruding intrados and flexible heat exchange sleeve is close to setting, and two cambered surfaces are set to identical cambered surface, thereby can guarantee that both contacts area maximize.Thereby can enlarge active surface, improve heat exchange efficiency.For example, projection is set to have the circular protrusion structure of semicircle shape, the diameter dimension of the condensation end of its diameter dimension and glass heat pipe is complementary, and under the connection function of flexible heat exchange sleeve, the circular protrusion structure wraps up to carry out exchange heat by the condensation end of glass heat pipe.Shown in Fig. 3, the condensation end 51 of glass heat pipe is by flexible heat exchange sleeve 3 parcels cylindraceous, and flexible heat exchange sleeve 3 is by circular protrusion 201 parcels of heat exchanger tube.Preferably, in order to increase heat exchange area, improve heat exchange efficiency, the condensation end of glass heat pipe all can be set to the flat structure with heat exchanger tube, and the two is contacted on the extended surface of length, thereby can further improve heat exchange efficiency.
Due to the heat-exchange working medium in pressure-bearing type solar heat collector, in the pressure current downflow, the pressure of heat exchanger tube inside is larger, possesses certain withstand voltage properties with regard to the structure that requires heat exchanger tube like this.In order effectively to guarantee the resistance to pressure of heat exchanger tube, heat exchanger tube can be arranged to have the heat exchanger tube of MCA, MCA is the structure with a plurality of independently microchannels.Microchannel has vesicular texture in the cross section flowed on direction perpendicular to heat-exchange working medium.When heat-exchange working medium flows through from the heat exchanger tube of MCA, a small amount of heat-exchange working medium of each MCA inside is exerted pressure to the conduit wall of its microchannel, place respectively, will disperse like this heat-exchange working medium conduit wall applied pressure to a heat exchanger tube, thereby improve the resistance to pressure of structure.With reference to the cross section of the Thermal Performance of Micro Channels tubular construction shown in Fig. 7, Thermal Performance of Micro Channels runner 13 comprises a plurality of independent chambeies, microchannel 131 that arrange, and heat-exchange working medium is in 131 internal flows of chamber, microchannel.
On the basis of embodiment mono-, preferably, the mode that glass heat pipe can adopt glass structure and metal structure to combine, can on the basis that reduces infrastructure cost, improve the heat exchange efficiency of heat collector like this, for example the condensation end of glass heat pipe is set to metal structure, and other parts adopt glass to make.Preferably, in order to reduce production costs greatly, glass heat pipe adopts glass to make fully.
On the basis of embodiment mono-; preferably; when the condensation end of glass heat pipe is round tube shape structure, in order to guarantee heat exchange efficiency, can make condensation end and the flexible heat exchange sleeve close contact of glass heat pipe; for example; flexible heat exchange sleeve can be made to cylinder-like structure, with the outside of the condensation end that is enclosed within glass heat pipe, and wrap up the condensation end of glass heat pipe fully; thereby effectively the condensation end of cover glass heat pipe does not directly contact with heat exchanger tube on the basis that guarantees heat exchange efficiency, thereby guarantee structural integrity.More preferably, can on flexible heat exchange sleeve cylindraceous, breach be set, this breach can extend along the axis direction of cylinder-like structure, also can be along becoming with the axis of cylinder-like structure<direction of the angle of 90 ° extends, the cylinder-like structure diameter of section is slightly less than glass heat pipe condensation end diameter, thereby install while being connected in glass heat pipe condensation end and flexible heat exchange sleeve, flexible heat exchange sleeve is opened along gap position, thereby can guarantee the two abundant close contact, and then realize efficient heat transfer, guarantee the glass heat pipe safe handling.Breach need be arranged on the position that the condensation end of glass heat pipe is not wrapped up by heat exchanger tube.Can, with reference to Fig. 4, on flexible heat exchange sleeve cylindraceous, be provided with breach 301.More preferably, can on flexible heat exchange sleeve, protuberance be set, this protuberance can extend along the axis direction of cylinder-like structure, also can be along becoming with the axis of cylinder-like structure<direction of the angle of 90 ° extends, and this protuberance protrudes to the axis direction away from described cylinder-like structure, the cylinder-like structure diameter of section is slightly less than glass heat pipe condensation end diameter, thereby install while being connected in glass heat pipe condensation end and flexible heat exchange sleeve, flexible heat exchange sleeve is opened along the protuberance position, thereby can guarantee the two abundant close contact, and then realize efficient heat transfer, guarantee the glass heat pipe safe handling.With reference to Fig. 5, on flexible heat exchange sleeve cylindraceous, be provided with protuberance 302.Preferably, the number of breach and protuberance is not all done to restriction, can be set to a plurality of.Can on a cylindric flexible heat exchange sleeve, breach or protuberance only be set, also breach and protuberance can be set simultaneously.
On the basis of embodiment mono-, preferably, in order to improve heat exchange efficiency, avoid heat to run off, can between the shell of heat-exchanger rig and heat exchanger tube, heat-insulation layer be set, also can hermetically-sealed construction be set at the contact position of glass heat pipe and heat-exchanger rig, also can between the condensation end of glass heat pipe and flexible heat exchange sleeve, heat-conducting layer be set, for example this heat-conducting layer can be heat-conducting silicone grease.With reference to Fig. 2, heat-exchanger rig is provided with end cap 12, is provided with heat-insulation layer 11 between the shell of heat exchanger tube 2 and heat-exchanger rig, is provided with sealing ring 10 between glass heat pipe 5 and heat-exchanger rig.
On the basis of embodiment mono-, preferably, feed tube can be connected with heat exchanger tube and arrange or one-body molded setting, also drain pipe can be connected with heat exchanger tube and arrange or one-body molded setting, the selection while being convenient to manufacture.
On the basis of embodiment mono-, preferably, the area of heat exchanger tube on the cross section of the flow direction perpendicular to described heat-exchange working medium is more than or equal to 100 square millimeters, thereby can guarantee the volume flow of heat-exchange working medium, guarantees heat transfer effect.Preferably, the cross-sectional length of the circular protrusion of heat exchanger tube is not more than 1/2 of this circular circumference, thereby only wrap up the extremely mostly structure of the condensation end of glass heat pipe, guarantee heat exchange efficiency, also can guarantee the fully flexible of connected flexible heat exchange sleeve, effectively guarantee the safe handling of glass heat pipe simultaneously.
Glass heat pipe vacuum cast pressure-bearing type solar heat collector provided by the present invention is when work, solar irradiation is mapped on glass heat pipe 5, the interior working medium evaporation of glass heat pipe 5 transfers heat to flexible heat exchange sleeve 3 by condensation end 51, scribble heat-conducting silicone grease between condensation end 51 and flexible heat exchange sleeve 3 to strengthen heat transfer, heat is delivered to the heat-exchange working medium in heat-exchange working medium runner 2 via the circular protrusion 201 of heat-exchange working medium runner 2 with the direct contact surface of flexible heat exchange sleeve 3, and heat-exchange working medium is taken heat out of.The heat-exchange working medium cross section of fluid channel is flat tubulose, fully can bearing operation by the design of stress and wall thickness, and the service requirement of the 0.6MPa that is up to state standards.
Aforesaid pressure-bearing type solar heat collector can be applicable in pressure-bearing type solar water heater, thereby is applied.In use, heat-exchanger rig is connected with heat storage water tank, the liquid in-out pipe of heat-exchanger rig is communicated with heat storage water tank, carry out direct or indirect heat exchange, realize application.
Various embodiment provided by the invention combination mutually in any way as required, the technical scheme obtained by this combination, also within the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention the present invention.Like this, if of the present invention these are revised and within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention also comprises these changes and modification interior.
Claims (10)
1. a pressure-bearing type solar heat collector, is characterized in that, comprising:
Heat-exchanger rig, its inside is provided with the heat exchanger tube flow through for heat-exchange working medium, and this heat exchanger tube inside is equipped with heat-exchange working medium, and described heat exchanger tube is provided with feed tube and drain pipe;
Heat collector, it comprises a plurality of glass heat pipes, and each described glass heat pipe has condensation end, and described condensation end is placed in described heat-exchanger rig inside and carries out exchange heat with described heat exchanger tube;
Wherein, described heat-exchanger rig further comprises flexible heat exchange sleeve, and it is arranged between the condensation end and described heat exchanger tube of described glass heat pipe, and condensation end and described heat exchanger tube for connecting described glass heat pipe;
Tailstock, wherein, described glass heat pipe has the tail holder, and described tail holder is fixed on described tailstock.
2. pressure-bearing type solar heat collector as claimed in claim 1, is characterized in that,
Described heat exchanger tube has flat tubular structure.
3. pressure-bearing type solar heat collector as claimed in claim 2, is characterized in that,
Described heat exchanger tube comprises a plurality of projections, and the condensation end of each described glass heat pipe is separately positioned on described a plurality of high spot, and is wrapped in the inside of described projection, and the condensation end of described glass heat pipe is connected with described projection by described flexible heat exchange sleeve.
4. pressure-bearing type solar heat collector as claimed in claim 1, is characterized in that,
Described heat exchanger tube has MCA, and this MCA has vesicular texture in the cross section flowed on direction perpendicular to described heat-exchange working medium.
5. pressure-bearing type solar heat collector as claimed in claim 1, is characterized in that,
Described glass heat pipe has segment glass structure and part metals structure;
And/or;
Described glass heat pipe is all-glass construction.
6. pressure-bearing type solar heat collector as claimed in claim 1, is characterized in that,
Described flexible heat exchange sleeve has cylinder-like structure, and wraps up the condensation end of described glass heat pipe fully.
7. pressure-bearing type solar heat collector as claimed in claim 6, is characterized in that,
Be provided with the breach extended along the axis direction of described cylinder-like structure on described flexible heat exchange sleeve, this opening is arranged on the position that described flexible heat exchange sleeve does not contact with described heat exchanger tube;
And/or,
Be provided with the protuberance extended along the axis direction of described cylinder-like structure on described flexible heat exchange sleeve, this protuberance protrudes to the axis direction away from described cylinder-like structure.
8. pressure-bearing type solar heat collector as claimed in claim 1, is characterized in that,
Described heat-exchanger rig further comprises shell, between this shell and described heat exchanger tube, is provided with heat-insulation layer;
And/or;
Be provided with heat-conducting layer between the condensation end of described glass heat pipe and described flexible heat exchange sleeve.
9. pressure-bearing type solar heat collector as claimed in claim 1, is characterized in that,
Described feed tube and described heat exchanger tube are syndeton or integrated formed structure;
And/or;
Described drain pipe and described heat exchanger tube are syndeton or integrated formed structure.
10. pressure-bearing type solar heat collector as claimed in claim 1, is characterized in that,
Be provided with hermetically-sealed construction between described glass heat pipe and described heat-exchanger rig;
And/or;
The area of described heat exchanger tube on the cross section of the flow direction perpendicular to described heat-exchange working medium is more than or equal to 100 square millimeters.
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| CN103175314A (en) * | 2013-03-20 | 2013-06-26 | 张勇 | Solar vacuum glass heat collecting tube air heat collector |
| CN103185402A (en) * | 2013-03-08 | 2013-07-03 | 华北电力大学 | Oscillating heat pipe type vacuum tube solar thermal collector |
| CN105202788A (en) * | 2014-06-24 | 2015-12-30 | 吴艳频 | Through type porous heat exchanger type solar header |
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| CN201779884U (en) * | 2010-09-10 | 2011-03-30 | 常州市兴旺绿色能源有限公司 | Pressure-bearing solar vacuum glass heat pipe heat collecting device |
| CN202928129U (en) * | 2012-11-29 | 2013-05-08 | 刘磊 | Pressure bearing type solar heat collector |
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Application publication date: 20130220 |