CN201662250U - Solar high-temperature heat collector - Google Patents

Solar high-temperature heat collector Download PDF

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Publication number
CN201662250U
CN201662250U CN2009202553600U CN200920255360U CN201662250U CN 201662250 U CN201662250 U CN 201662250U CN 2009202553600 U CN2009202553600 U CN 2009202553600U CN 200920255360 U CN200920255360 U CN 200920255360U CN 201662250 U CN201662250 U CN 201662250U
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CN
China
Prior art keywords
heat
pipe
vacuum
tube
thermal
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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.)
Expired - Fee Related
Application number
CN2009202553600U
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Chinese (zh)
Inventor
肖红升
赵峰
王登锋
徐锋
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.)
Sunshore Solar Energy Co., Ltd.
Original Assignee
SANGXIA SOLAR ENERGY IND CO Ltd JIANGSU
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Priority to CN2009202553600U priority Critical patent/CN201662250U/en
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Publication of CN201662250U publication Critical patent/CN201662250U/en
Anticipated expiration legal-status Critical
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00—Solar heat collectors using working fluids
    • F24S10/40—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
    • F24S10/45—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors the enclosure being cylindrical
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00—Solar heat collectors using working fluids
    • F24S10/90—Solar heat collectors using working fluids using internal thermosiphonic circulation
    • F24S10/95—Solar heat collectors using working fluids using internal thermosiphonic circulation having evaporator sections and condenser sections, e.g. heat pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S60/00—Arrangements for storing heat collected by solar heat collectors
    • F24S60/30—Arrangements for storing heat collected by solar heat collectors storing heat in liquids
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/44—Heat exchange systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/20—Climate change mitigation technologies for sector-wide applications using renewable energy

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

Abstract

The utility model relates to a solar high-temperature heat collector which comprises a CPC condenser plate, an open heat pipe-vacuum tube heat collecting pipe, a vertical header, a vacuum flask and the like; the open heat pipe-vacuum tube heat collecting pipe comprises a vacuum tube, a support, a transfer medium, a fin, the heat pipe and the like; the transfer medium is filled between the vacuum tube and the heat pipe; an outlet is sealed by a heat insulating plug, thereby preventing the thermal packaging problem between glass and metal and realizing the solder-less connection between the vacuum tube and the metal heat pipe; the outlet of the heat pipe is not closed and directly forms an open heat pipe system together with the vertical header; a condenser tube is deployed in the vertical head in a U shape or a disc shape, and the vacuum flask is covered outside to insulate the heat; a plurality of heat collecting pipes and the vertical head are connected to form the open heat pipe vacuum tube solar high-temperature heat collector; and the solar high-temperature heat collector has the advantages of good heat insulating effect and high heat efficiency, can provide hot water and high-temperature steam, and is used for industry and agriculture.

Description

A kind of solar energy high temperature heat collector
Technical field
The utility model relates to the equipment of solar thermal utilization, is specifically related to a kind of vacuum-tube solar high-temperature heat collector.
Background technology
Along with the enforcement of China's energy-saving and emission-reduction and building energy conservation laws and regulations, the solar thermal utilization produce market is huge.This wherein especially with solar water heater for, but because the heat collection technology restriction, the hot water water temperature of present solar thermal collector production is lower than 80 ℃ substantially, is in the cryogenic applications scope, can only satisfy resident's general needs.And the development priority in solar energy optical-thermal conversion field will just comprise the Demonstration Application of the exploitation of high-temperature heat-gathering heat-storage technology and industrial and agricultural production in the solar energy from now on, the high-temperature heat-gathering technology does not also obtain desirable applying in the solar energy in industrial and agricultural production at present, formed the market vacancy, therefore be badly in need of high temperature heat collector in the development of new, satisfy market demand.
--metal structure solar thermal-collecting tube and heat pipe--the electron tubes type heat collector that at present in the heat collector that solar water heater adopts flat plate collector, glass vacuum pipe heat collector, glass arranged generally, be subjected to the restriction of heat-collecting temperature, the general application of cold temperature water heater of preceding two kinds of heat collectors, and because of the structure problem system that makes can not pressure-bearing, poor stability, the thermal efficiency is lower.Glass-metal structure for vacuum solar collector pipe heat collector is that a metal tube puts a glass tube outward with one heart, metal pipe internal surface plating coating for selective absorption, vacuumize between metal tube and the glass tube, the two ends of metal tube and glass tube are with soft foil metal and can cut down the metal fever encapsulation, after this structure and solar panel are united use, the heat collector temperature can reach middle high temperature level, but because after the rising of thermal-arrest metal tube temperature, its thermal coefficient of expansion and glass tube can't mate, thermal-collecting tube is because non-uniform temperature also can produce the bent distortion of various oars simultaneously, cause the easy stressed fragmentation of glass tube, this causes glass and intermetallic heat-seal problem to become technological difficulties of this structure, also still be difficult to resolve at present and determine, therefore, this kind structure can't be used for the long-term actual motion of high temperature heat collector and use.Heat pipe-vacuum tube collector is all-glass vacuum thermal-collecting tube on the concentric locking collar outside metal heat pipe (band aluminium plumage), heat pipe condenser section in heat pipe-vacuum tube structure is a section of a pipe, it is small-sized to conduct heat, what be heated water need flow through the heat pipe condenser section outer surface in the water tank of big volume, evaporation thermal resistance when heat absorption becomes saturated vapor outside pipe is very big, even the temperature of working medium is very high in the heat pipe, also heat effectively can't be passed to heated water, make the thermal efficiency not high.In addition, the heat pipe of this kind form is lower service life, and how increase the service life still technical bottleneck.
Summary of the invention
The utility model is at the deficiencies in the prior art, avoid the heat-seal problem between glass and the metal, improve the heat collector thermal efficiency, a kind of solar energy high temperature heat collector is proposed, this heat collector has realized that the solderless of glass-vacuum tube and metal catheter connects in succession, can pressure-bearing, can also provide hot water and high-temperature vapour for use steady in a long-term in the industrial or agricultural.
The technical scheme that the utility model technical solution problem is adopted is:
A kind of solar energy high temperature heat collector mainly is made up of parts such as CPC solar panel, open heat-pipe-vacuum tube thermal-collecting tube, vertical header, condenser pipe and Vacuum insulation bottles.Its architectural feature is that this water heater is equipped with open heat-pipe-vacuum tube thermal-collecting tube, it is made up of a concentric metal heat pipe that inserts in all-glass vacuum thermal-collecting tube and the pipe, for reducing thermal resistance, gap between heat pipe outer wall and the glass inner tube inwall can not be too big, can be made as 6-10mm according to the general gap of all-glass vacuum bore size, annular fin is to strengthen heat exchange on the thermotube wall outer cover, heat pipe bottom stent support, transmitting medium is filled in gap between heat pipe and the vacuum tube, transmitting medium is glycerine and graphite powder mixture, and this filler and mental-finned combine and can make the capacity of heat transmission between glass tube and the heat pipe good.Fill in soft seal with the silica gel insulation between vacuum tube outlet and the heat pipe.
For solving the problem that present heat pipe solar energy water heater condensation segment heat exchange area is too small and the heat pipe life-span is short, the utility model adopts the open heat-pipe system.Heat pipe outlet in the thermal-collecting tube is not sealed, but directly connect to form the open heat-pipe system with vertical header, condenser pipe can also can dispose by dish-type by the U type in header, and can adjust the condenser pipe size according to the heat exchange effect, and be heated working-medium water and enter condenser pipe from the condenser pipe water inlet, come out from the condenser pipe delivery port, water flows in condenser pipe, belong in the pipe and flow, heat transfer area can design as required, can effectively solve the big bottleneck problem of evaporation thermal resistance.Vertical header must be mixed with all pressure bearing type, the header bottom is provided with water injection pipe, exhaust tube and relief tube, water injection pipe is connected with water valve, by the quality that water valve control enters liquid working substance in header and the heat pipe, just liquid working substance gets final product above the header bottom, and exhaust tube is connected with vacuum valve, by vacuum valve to vacuumizing in the header, relief tube is connected with safety valve, by safety valve control header internal pressure, guarantees the heat pipe security.Vertical header outer wrapping heat-insulation layer, the heat-insulation layer outside puts Vacuum insulation bottle and is incubated.
Heat-pipe working medium can be water or other liquid.
Solar energy high temperature heat collector of the present utility model has been formed in several open heat-pipes-vacuum tube thermal-collecting tube and vertical header and the common logotype of CPC solar panel, the number of thermal-collecting tube can be the 6-10 root, 1 CPC solar panel of the every outer installation of thermal-collecting tube, the CPC solar panel is to lay the reflective aluminium foil of one deck by the surface of steel plate with CPC structure profile to form the light reflectivity height.Liquid working substance in heat pipe is heated to form saturated vapor and enters vertical header, and by the condenser pipe in vertical header heating wherein be heated working-medium water, itself being condensed into saturation water gets back in the heat pipe under the effect of gravity, and the water in the condenser pipe is heated gradually, several open heat-pipes-vacuum-tube solar high-temperature pressure-bearing water heater series connection is used, and can obtain high-temperature-hot-water and high-temperature steam.
The utility model has solved the big bottleneck of general heat pipe condensation segment evaporation thermal resistance, has improved heat exchange property, utilizes Vacuum insulation bottle to be incubated, and effectively increases the thermal efficiency of heat collector, obtains high temperature output.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is further described:
Fig. 1 is the structural representation of open heat-pipe-vacuum tube thermal-collecting tube
Fig. 2 is the structural representation of vertical header
Fig. 3 is the structural representation of solar energy high temperature heat collector
Wherein: 1, open heat-pipe-vacuum tube thermal-collecting tube, 2, all-glass vacuum thermal-collecting tube, 3, silica gel insulation plug, 4, transmitting medium, 5, annular fin, 6, heat pipe, 7, support, 8, shell, 9, Vacuum insulation bottle, 10, heat-insulation layer, 11, the condenser pipe water inlet, 12, water injection pipe, 13, water valve, 14, safety valve, 15, relief tube, 16, vacuum valve, 17, exhaust tube, 18, the condenser pipe delivery port, 19, condenser pipe, 20, vertical header, 21, framework, 22, the CPC solar panel.
The specific embodiment
A kind of open heat-pipe-vacuum-tube solar high-temperature pressure-bearing water heater, it is by CPC solar panel 22, open heat-pipe-vacuum tube thermal-collecting tube 1, vertical header 20, parts such as condenser pipe 19 and Vacuum insulation bottle 9 are formed, Fig. 1 has provided the structural representation of open heat-pipe of the present utility model-vacuum tube thermal-collecting tube 1, it is by vacuum tube 2, transmitting medium 4, compositions such as annular fin 5 and heat pipe 6, insert a concentric metal heat pipe 6 in the all-glass vacuum thermal-collecting tube 2, during installation, gap between heat pipe 6 outer walls and all-glass vacuum thermal-collecting tube 2 inwalls can not be too big, be generally 6-10mm, annular fin 5 is to strengthen heat exchange on the heat pipe 6 tube wall outer cover, heat pipe 6 bottoms are supported with support 7, transmitting medium 4 is filled in gap between heat pipe 6 and the all-glass vacuum thermal-collecting tube 2, transmitting medium 4 is glycerine and graphite powder mixture, fills in 3 soft seals with the silica gel insulation between all-glass vacuum thermal-collecting tube 2 outlets and the heat pipe 6.
Fig. 2 has provided the structural representation of vertical header 20 of the present invention, U type or dish-type configuration condenser pipe 19 in the vertical header 20, be heated working-medium water and enter condenser pipe 19 from condenser pipe water inlet 11, come out from condenser pipe delivery port 18, vertical header 20 must be mixed with all pressure bearing type, the bottom is provided with water injection pipe 12, exhaust tube 17 and relief tube 15, water injection pipe 12 is connected with water valve 13, control the quality that enters liquid working substances in vertical header 20 and the heat pipe 6 by water valve 13, making liquid working substance surpass vertical header 20 bottoms gets final product, exhaust tube 17 is connected with vacuum valve 16, by vacuumizing in 16 pairs of vertical headers 20 of vacuum valve, relief tube 15 is connected with safety valve 14, by the vertical header internal pressure of safety valve 14 controls, guarantees security.Vertical header 20 outer wrapping heat-insulation layers 10, heat-insulation layer 10 outsides put Vacuum insulation bottle 9 and are incubated, and outermost wraps up with stainless steel casing 8.
Fig. 3 has provided the water heater structural representation of 6 open heat-pipes of the present utility model-vacuum tube thermal-collecting tube 1 and 20 couplings of vertical header, open heat-pipe-vacuum tube thermal-collecting tube 1 directly is connected by heat pipe 6 with vertical header 20,1 CPC solar panel 22 of outside configuration of every open heat-pipe-vacuum heat collection pipe 1, outside fixing with framework 21.
Embodiment 1
Heat pipe 6 external diameters among the present invention are 38mm, thickness is 2mm, material is a stainless steel 304, gap between heat pipe 6 and all-glass vacuum thermal-collecting tube 2 inwalls is 6mm, the length of the condenser pipe 19 in the vertical header 20 is 4m, being heated working-medium water enters from condenser pipe water inlet 11, flow is 3 liters/hour, heat converges to heat pipe 6 open heat-pipe-vacuum tube thermal-collecting tube 1 from CPC solar panel 22, liquid working substance in heat pipe 6 is heated to form saturated vapor and enters vertical header 20, and by 19 heating of the condenser pipes in the vertical header 20 wherein be heated working-medium water, itself being condensed into saturation water gets back in the heat pipe under the effect of gravity, and the water in the condenser pipe is heated gradually, and 20 open heat-pipes-vacuum-tube solar high-temperature pressure-bearing water heater series connection is used, and can obtain the high-temperature steam about 250 ℃.
Solar energy high temperature heat collector in the utility model is simple in structure, thermal efficiency height, and can avoid heat-seal technical problem between glass and the metal fully, realize not having the welding soft seal, can solve simultaneously the big bottleneck of condensation segment evaporation thermal resistance, improve heat exchange property, make the temperature of water outlet or steam higher, can better be applied to association areas such as industry and agricultural.

Claims (6)

1. solar energy high temperature heat collector, it is characterized in that this heat collector comprises CPC solar panel (22), open heat-pipe-vacuum tube thermal-collecting tube (1), vertical header (20), Vacuum insulation bottle (9), open heat-pipe-vacuum tube thermal-collecting tube (1) is made up of all-glass vacuum thermal-collecting tube (2), support (7), transmitting medium (4), fin (5) and heat pipe (6), annular fin (5) on the heat pipe outer cover, fill transmitting medium (4) between all-glass vacuum thermal-collecting tube (2) and the heat pipe (6), outlet seals with insulation plug (3).
2. heat collector according to claim 1, it is characterized in that all-glass vacuum thermal-collecting tube (2) and heat pipe (6) in described open heat-pipe-vacuum tube thermal-collecting tube are concentric arrangement, the gap between the inwall of heat pipe (6) outer wall and all-glass vacuum thermal-collecting tube (2) is generally 6-10mm.
3. heat collector according to claim 1 is characterized in that heat pipe (6) outlet in described open heat-pipe-vacuum tube thermal-collecting tube is not sealed, but forms the open heat-pipe system with vertical header (20).
4. heat collector according to claim 1 is characterized in that condenser pipe (19) U type or dish-type configuration in vertical header (20), and size adjustable.
5. heat collector according to claim 1 is characterized in that vertical header (20) outer wrap heat-insulation layer (10) and puts Vacuum insulation bottle (9) being incubated.
6. heat collector according to claim 1 is characterized in that CPC solar panel (22) is formed by the reflective aluminium foil of surface of steel plate laying one deck with CPC structure profile.
CN2009202553600U 2009-11-09 2009-11-09 Solar high-temperature heat collector Expired - Fee Related CN201662250U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202553600U CN201662250U (en) 2009-11-09 2009-11-09 Solar high-temperature heat collector

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Application Number Priority Date Filing Date Title
CN2009202553600U CN201662250U (en) 2009-11-09 2009-11-09 Solar high-temperature heat collector

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105953441A (en) * 2016-05-27 2016-09-21 黑龙江聚拢华玺智能科技有限公司 Solar water heater collector pipe with high strength and high heat efficiency

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105953441A (en) * 2016-05-27 2016-09-21 黑龙江聚拢华玺智能科技有限公司 Solar water heater collector pipe with high strength and high heat efficiency

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: SUNSHORE SOLAR ENERGY CO.,LTD.

Free format text: FORMER NAME: SANGXIA SOLAR ENERGY IND CO., LTD., JIANGSU

CP01 Change in the name or title of a patent holder

Address after: 226301 No. 1 Industrial Park, West Ting Town, Jiangsu, Nantong

Patentee after: Sunshore Solar Energy Co., Ltd.

Address before: 226301 No. 1 Industrial Park, West Ting Town, Jiangsu, Nantong

Patentee before: Sangxia Solar Energy Ind Co., Ltd., Jiangsu

C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101201

Termination date: 20131109