CN202254393U - Heat-pipe-type solar vacuum heat collector with heat accumulation function - Google Patents

Heat-pipe-type solar vacuum heat collector with heat accumulation function Download PDF

Info

Publication number
CN202254393U
CN202254393U CN2011203504717U CN201120350471U CN202254393U CN 202254393 U CN202254393 U CN 202254393U CN 2011203504717 U CN2011203504717 U CN 2011203504717U CN 201120350471 U CN201120350471 U CN 201120350471U CN 202254393 U CN202254393 U CN 202254393U
Authority
CN
China
Prior art keywords
heat
pipe
sleeve
vacuum tube
heat pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2011203504717U
Other languages
Chinese (zh)
Inventor
王辉涛
葛众
王�华
冷婷婷
黄峻伟
陈蓉
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.)
Kunming University of Science and Technology
Original Assignee
Kunming University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kunming University of Science and Technology filed Critical Kunming University of Science and Technology
Priority to CN2011203504717U priority Critical patent/CN202254393U/en
Application granted granted Critical
Publication of CN202254393U publication Critical patent/CN202254393U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/44Heat exchange systems

Abstract

The utility model relates to a heat-pipe-type solar vacuum heat collector with a heat accumulation function and belongs to the technical field of solar utilization. The device consists of a solar vacuum heat collector, a sleeve, a heat pipe, an accumulating material and a sealing plug, wherein when the heat pipe is arranged in a solar vacuum tube, the sleeve is arranged outside a heating section of the heat pipe additionally; the lower end of the sleeve is provided with a blind end and the upper end of the sleeve is fixed on the outer wall of the heat pipe; a selective absorbing coating is coated on one side of the sleeve; the accumulating material is filled in the sleeve; and the top of the vacuum tube is in sealed connection with the heat pipe through the sealing plug. In the device, because the functions of collecting heat and accumulating heat are integrated, compared with a general solar vacuum tube, the solar vacuum tube can better absorb solar energy and accumulate heat. The selective absorbing coating is coated on the sleeve and fins and can fully absorb the solar energy. In addition, the vacuum tube also has the advantages of light weight, modular free combination, high anti-freezing capability, high heat transfer performance and scaling resistance and high pressure bearing, low heat loss, long service life and the like, is convenient in installation, fast to startup, is reliable to use.

Description

A kind of heat pipe solar vacuum heat-collecting pipe with heat accumulation function
Technical field
The utility model relates to a kind of solar vacuum heat-collecting pipe, and particularly a kind of heat pipe solar vacuum heat-collecting pipe with heat accumulation function belongs to technical field of solar utilization technique.
Background technology
The radiant power of the sun reaches 3.8 x, 1023 kW, and wherein, about 1.08x 1014 kW are radiated earth surface.It is estimated that the sun is radiated tellurian energy within January, 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 quite abundant country of solar energy resources, 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 to the mankind clean energy resource being provided, can also reach the requirement of zero pollution and zero-emission, can greatly quicken 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 mode efficiently to the direct heat utilization of solar radiation.Heat pipe is as a kind of heat transfer element efficiently, just obtained development rapidly since the appearance, obtained extensive use in a lot of fields.Combine solar energy vacuum tube and heat pipe and form solar energy evacuated heat pipe and just compiled both advantage and one; Solar energy evacuated heat pipe has been owing to combined the advantage separately of vacuum tube and heat pipe, thus it have antifreeze ability strong, start soon, good heat-transfer, good antiscale property, characteristics such as use is reliable, pressure-bearing is high and heat loss is little.
Summary of the invention
The utility model provides the heat pipe solar vacuum heat-collecting pipe of a kind of novel structure, band heat accumulation function that the thermal efficiency is high, can't accumulation of heat to solve solar energy vacuum tube, start slowly, infect poor performance, problems such as the life-span is short.
The technical scheme of the utility model is: a kind of heat pipe solar vacuum heat-collecting pipe with heat accumulation function is made up of solar energy vacuum tube 1, sleeve pipe 3, heat pipe 4, heat-storing material 5, sealing-plug 6.Heat pipe 4 is contained in the solar energy vacuum tube 1; Add tubing 3 in heat pipe 4 bringing-up section outsides; Sleeve pipe 3 lower ends are cecum, and upper end and heat pipe 4 outer walls are fixed, and one or more layers oxidation resistant coating for selective absorption is electroplated or scribbled to sleeve pipe 3 towards the sun one side; Heat-storing material 5 is housed in the sleeve pipe 3, and the vacuum tube top is tightly connected with sealing-plug 6 and heat pipe 4.Fire prevention cork or high temperature resistant metal closures, ceramic plug and the glass etc. with sealing effectiveness of sealing-plug 6 for handling through fire prevention.Fin 2 is equipped with in heat pipe 4 both sides, and one or more layers oxidation resistant coating for selective absorption is electroplated or scribbled to fin 2 towards the sun one side.Solar energy vacuum tube 1 is the turbine vacuum pipe of cancellation coating.Working fluid is according to operating temperature range available water, ethanol, methyl alcohol, acetone etc. and composition thereof in the heat pipe 4.
The operation principle of the utility model is: solar radiation sees through vacuum tube, shines by sleeve pipe and fin, and being selected property coating absorbs; Bushing temperature rises, and heat passes to heat-storing material through sleeve pipe, and heat-storing material raises or the fusing accumulation of heat through temperature; While heat transferred heat pipe hot junction (evaporator section); Working medium absorbs the heat explosive evaporation in the heat pipe, and under the effect of pressure reduction, the heat-pipe working medium of gaseous state is pressed to heat pipe cold junction (condensation end); Gaseous working medium condenses in the cold junction heat release, and the fluid that is heated in the heat transferred heat pipe outside, under the gravity effect, condensation water backflows to heat pipe bottom (hot junction) along the heat pipe inwall, accomplishes a circulation simultaneously.
This thermal-collecting tube adopts vacuum tube and heat pipe structure combining, makes device have the advantage of vacuum tube and heat pipe simultaneously, and vacuum tube has reduced heat pipe hot junction heat loss, and the employing heat-pipe elements has then increased the pressure-bearing of installing, ability such as freeze proof.The outside, heat pipe hot junction adds the sleeve pipe of a band heat-storing material, makes device in heating, have heat accumulation function.Selective coating is coated on heat pipe hot junction outer tube outer wall and the fin, can fully absorb solar energy, reduces the running temperature of vacuum tube glass simultaneously.The utility model is compared with ordinary solar heat collector owing to adopt the said structure design, but has accumulation of heat, starts that very fast, antifreeze ability is strong, good heat-transfer, good antiscale property, remarkable advantage such as use is reliable, pressure-bearing is high and heat loss is little and the life-span is long.
The beneficial effect of the utility model is:
(1) therefore device installs the bearing capacity height owing to adopt heat pipe as heat transfer component, is applicable to be heated fluid application scenario with pressure.
(2) security performance is good, has solved cold quick-fried problem of all-glass vacuum tube thermal explosion in summer and winter, under the external environment condition of severe, also can normally move.
(3) than general solar energy vacuum tube, owing to adopted thermal-arrest, the incorporate structure of accumulation of heat, make device in thermal-arrest, can carry out accumulation of heat, strengthened the heat storage capacity of solar energy vacuum tube.
(4) coating for selective absorption is coated on sleeve pipe and the fin, makes this device better to the assimilation effect of solar radiation heat, and the running temperature of vacuum tube glass is descended, and when reducing heat waste, has also prolonged the service life of vacuum tube.
Description of drawings
Fig. 1 is the front view of the utility model;
Fig. 2 is the vertical view of the utility model;
Each label is among Fig. 1-2: 1: solar energy vacuum tube, 2: fin, 3: sleeve pipe, 4: heat pipe, 5: heat-storing material, 6: sealing-plug.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described further, but the content of the utility model is not limited to said scope.
Implement row 1: shown in Fig. 1-2, a kind of heat pipe solar vacuum heat-collecting pipe with heat accumulation function is made up of solar energy vacuum tube 1, sleeve pipe 3, heat pipe 4, heat-storing material 5, sealing-plug 6.Heat pipe 4 is contained in the solar energy vacuum tube 1; Add tubing 3 in heat pipe 4 bringing-up section outsides; Sleeve pipe 3 lower ends are cecum, and upper end and heat pipe 4 outer walls are fixed, and sleeve pipe 3 scribbles the oxidation resistant coating for selective absorption of one deck towards the sun one side; Heat-storing material 5 is housed in the sleeve pipe 3, and the vacuum tube top is tightly connected with sealing-plug 6 and heat pipe 4.The fire prevention cork of sealing-plug 6 for handling through fire prevention.Fin 2 is equipped with in heat pipe 4 both sides, and fin 2 scribbles the oxidation resistant coating for selective absorption of one deck towards the sun one side.Solar energy vacuum tube 1 is the turbine vacuum pipe of cancellation coating.Working fluid adopts water in the heat pipe 3.
The operation principle of the utility model is: solar radiation sees through vacuum tube, shines by sleeve pipe and fin, and being selected property coating absorbs; Bushing temperature rises, and heat passes to heat-storing material through sleeve pipe, and heat-storing material raises or the fusing accumulation of heat through temperature; While heat transferred heat pipe hot junction (evaporator section); Working medium absorbs the heat explosive evaporation in the heat pipe, and under the effect of pressure reduction, the heat-pipe working medium of gaseous state is pressed to heat pipe cold junction (condensation end); Gaseous working medium condenses in the cold junction heat release, and the fluid that is heated in the heat transferred heat pipe outside, under the gravity effect, condensation water backflows to heat pipe bottom (hot junction) along the heat pipe inwall, accomplishes a circulation simultaneously.
This thermal-collecting tube adopts vacuum tube and heat pipe structure combining, makes device have the advantage of vacuum tube and heat pipe simultaneously, and vacuum tube has reduced heat pipe hot junction heat loss, and the employing heat-pipe elements has then increased the pressure-bearing of installing, ability such as freeze proof.The outside, heat pipe hot junction adds the sleeve pipe of a band heat-storing material, makes device in heating, have heat accumulation function.Selective coating is coated on heat pipe hot junction outer tube outer wall and the fin, can fully absorb solar energy, reduces the running temperature of vacuum tube glass simultaneously.The utility model is compared with ordinary solar heat collector owing to adopt the said structure design, but has accumulation of heat, starts that very fast, antifreeze ability is strong, good heat-transfer, good antiscale property, remarkable advantage such as use is reliable, pressure-bearing is high and heat loss is little and the life-span is long.
Implement row 2: shown in Fig. 1-2, a kind of heat pipe solar vacuum heat-collecting pipe with heat accumulation function is made up of solar energy vacuum tube 1, sleeve pipe 3, heat pipe 4, heat-storing material 5, sealing-plug 6.Heat pipe 4 is contained in the solar energy vacuum tube 1; Add tubing 3 in heat pipe 4 bringing-up section outsides; Sleeve pipe 3 lower ends are cecum, and upper end and heat pipe 4 outer walls are fixed, and sleeve pipe 3 is electroplated two layers of oxidation resistant coating for selective absorption towards the sun one side; Heat-storing material 5 is housed in the sleeve pipe 3, and the vacuum tube top is tightly connected with sealing-plug 6 and heat pipe 4.Sealing-plug 6 is high temperature resistant metal closures with sealing effectiveness.Fin 2 is equipped with in heat pipe 4 both sides, and fin 2 is electroplated two layers of oxidation resistant coating for selective absorption towards the sun one side.Solar energy vacuum tube 1 is the turbine vacuum pipe of cancellation coating.Working fluid adopts ethanol and methanol mixture in the heat pipe 3.

Claims (4)

1. the heat pipe solar vacuum heat-collecting pipe with heat accumulation function is characterized in that: be made up of solar energy vacuum tube (1), sleeve pipe (3), heat pipe (4), heat-storing material (5), sealing-plug (6); Heat pipe (4) is contained in the solar energy vacuum tube (1); Add tubing (3) in heat pipe (4) bringing-up section outside; Sleeve pipe (3) lower end is a cecum, and the upper end is fixed on heat pipe (4) outer wall, and sleeve pipe (3) one sides scribble coating for selective absorption; Heat-storing material (5) is housed in the sleeve pipe (3), and the vacuum tube top is tightly connected with sealing-plug (6) and heat pipe (4).
2. a kind of heat pipe solar vacuum heat-collecting pipe with heat accumulation function according to claim 1 is characterized in that: fin (2) is equipped with in heat pipe (4) both sides, and fin scribbles coating for selective absorption on (2).
3. a kind of heat pipe solar vacuum heat-collecting pipe with heat accumulation function according to claim 1 and 2 is characterized in that: solar energy vacuum tube (1) is the turbine vacuum pipe of cancellation coating.
4. a kind of heat pipe solar vacuum heat-collecting pipe with heat accumulation function according to claim 1 is characterized in that: sealing-plug (6) centre-drilling hole.
CN2011203504717U 2011-09-19 2011-09-19 Heat-pipe-type solar vacuum heat collector with heat accumulation function Expired - Fee Related CN202254393U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011203504717U CN202254393U (en) 2011-09-19 2011-09-19 Heat-pipe-type solar vacuum heat collector with heat accumulation function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011203504717U CN202254393U (en) 2011-09-19 2011-09-19 Heat-pipe-type solar vacuum heat collector with heat accumulation function

Publications (1)

Publication Number Publication Date
CN202254393U true CN202254393U (en) 2012-05-30

Family

ID=46115626

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011203504717U Expired - Fee Related CN202254393U (en) 2011-09-19 2011-09-19 Heat-pipe-type solar vacuum heat collector with heat accumulation function

Country Status (1)

Country Link
CN (1) CN202254393U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106403316A (en) * 2016-03-16 2017-02-15 内蒙古博特科技有限责任公司 Intelligent greenhouse solar vacuum pipe type energy storage heater
CN106839465A (en) * 2017-01-23 2017-06-13 东南大学 Nano-fluid direct absorption type solar steam raising plant and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106403316A (en) * 2016-03-16 2017-02-15 内蒙古博特科技有限责任公司 Intelligent greenhouse solar vacuum pipe type energy storage heater
CN106839465A (en) * 2017-01-23 2017-06-13 东南大学 Nano-fluid direct absorption type solar steam raising plant and method
CN106839465B (en) * 2017-01-23 2019-03-19 东南大学 Nano-fluid direct absorption type solar steam generation facility and method

Similar Documents

Publication Publication Date Title
Jamar et al. A review of water heating system for solar energy applications
CN101915465A (en) Solar heat storing and collecting device
CN103697603B (en) Solar high-efficiency dual temperature phase-change collector and phase-change material for collector
CN202254392U (en) Vacuum pipe solar thermal collector with thermal storage function
CN201672716U (en) Heat collection and heating integrated solar heat utilization device
CN202254393U (en) Heat-pipe-type solar vacuum heat collector with heat accumulation function
CN201779886U (en) Solar heat-collecting unit structure
CN201973902U (en) Solar thermal collector adopting gas as working medium
CN201672695U (en) Focusing flat solar thermal collector
CN200975790Y (en) Oil filling type solar high-temperature heat collectors
CN215295114U (en) Heat storage passive solar house
CN201037707Y (en) Wall hanging highly effective multifunctional solar energy heat collector
CN202254428U (en) Novel heat tube type solar vacuum heat collecting tube
CN202002334U (en) Light gathering solar water heater
CN201259336Y (en) Novel flat-plate solar heat collector
CN202403425U (en) Novel vacuum tube solar energy heat pipe heat collector
CN209165805U (en) A kind of high-efficiency multi-function domestic solar combined unit
CN202928134U (en) Composite paraboloid solar energy focusing vacuum pipe heat collector
CN201903193U (en) Gravity heat pipe type flat-plate solar heat collector
CN201992846U (en) Solar water heater
CN201417034Y (en) Solar energy collector
CN205980379U (en) Straight ribbed pipe vacuum tube heat collector of three fins of interpolation
CN201141707Y (en) Pressure-proof conduction heat-collection type solar water heater
CN201281476Y (en) Parallel type solar water heater without water box
CN201014794Y (en) Device for improving heat-collecting efficiency of solar water heater

Legal Events

Date Code Title Description
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: 20120530

Termination date: 20140919

EXPY Termination of patent right or utility model