CN202254428U - Novel heat tube type solar vacuum heat collecting tube - Google Patents

Novel heat tube type solar vacuum heat collecting tube Download PDF

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Publication number
CN202254428U
CN202254428U CN 201120350453 CN201120350453U CN202254428U CN 202254428 U CN202254428 U CN 202254428U CN 201120350453 CN201120350453 CN 201120350453 CN 201120350453 U CN201120350453 U CN 201120350453U CN 202254428 U CN202254428 U CN 202254428U
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CN
China
Prior art keywords
heat
tube
heat pipe
vacuum
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
CN 201120350453
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Chinese (zh)
Inventor
王辉涛
葛众
王�华
冷婷婷
黄峻伟
陈蓉
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Kunming University of Science and Technology
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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 CN 201120350453 priority Critical patent/CN202254428U/en
Application granted granted Critical
Publication of CN202254428U publication Critical patent/CN202254428U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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

Abstract

The utility model relates to a novel heat tube type solar vacuum heat collecting tube, which belongs to the technical field of utilization of solar energy. The device comprises a solar vacuum tube, a heat tube and a sealing plug. The heat tube is arranged in the solar vacuum heat collecting tube, a selective absorbing coating is coated on one side of the heat tube, and the top end of the vacuum tube is hermetically connected with the heat tube through the sealing plug. Compared with the ordinary solar vacuum tube, the device can better absorb solar energy by coating the selective coating on the heat tube and a fin. The device further has the advantages of light weight, modular free combination, convenience in mounting, faster startup, strong anti-freezing capability, good heat transfer performance, anti-scaling property, reliability in use, high pressure-bearing capability, small heat loss, long service life and the like.

Description

A kind of new heat pipe formula solar vacuum heat-collecting pipe
Technical field
The utility model relates to a kind of solar vacuum heat-collecting pipe, and particularly a kind of new heat pipe formula solar vacuum heat-collecting pipe 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
Problems such as the utility model provides a kind of novel structure, new heat pipe formula solar vacuum heat-collecting pipe that the thermal efficiency is high, starts slowly to solve solar energy vacuum tube, infects poor performance, and the life-span is short.
The technical scheme of the utility model is: a kind of new heat pipe formula solar vacuum heat-collecting pipe is made up of solar energy vacuum tube 1, heat pipe 3, sealing-plug 4.Heat pipe 3 is contained in the solar energy vacuum tube 1, and one or more layers oxidation resistant coating for selective absorption is electroplated or scribbled to heat pipe 3 towards the sun one side, and the vacuum tube top is tightly connected with sealing-plug 4 and heat pipe 3.Fire prevention cork or high temperature resistant metal closures, ceramic plug and the glass etc. with sealing effectiveness of sealing-plug 4 for handling through fire prevention.Fin 2 is equipped with in heat pipe 3 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 3.
The operation principle of the utility model is: solar radiation sees through glass tube with vacuum; Shine heat pipe and fin, being selected property coating absorbs, and temperature rises; 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; Make this thermal-collecting tube have the advantage of vacuum tube and heat pipe simultaneously; Vacuum tube has reduced heat pipe hot junction heat loss; Adopt heat-pipe elements then to increase the pressure-bearing of device, ability such as freeze proof, reduced the thermal capacity of thermal-collecting tube, shorten the start-up time of thermal-collecting tube.Selective coating is coated on heat pipe hot junction outer wall and the fin, can fully absorb solar energy, reduces the running temperature of vacuum tube simultaneously.
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) coating for selective absorption is coated on heat pipe and the fin, makes 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: heat pipe, 4: 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 new heat pipe formula solar vacuum heat-collecting pipe is made up of solar energy vacuum tube 1, heat pipe 3, sealing-plug 4.Heat pipe 3 is contained in the solar energy vacuum tube 1, and heat pipe 3 scribbles the oxidation resistant coating for selective absorption of one deck towards the sun one side, and the vacuum tube top is tightly connected with sealing-plug 4 and heat pipe 3.The fire prevention cork of sealing-plug 4 for handling through fire prevention.Fin 2 is equipped with in heat pipe 3 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 glass tube with vacuum; Shine heat pipe and fin, being selected property coating absorbs, and temperature rises; 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; Make this thermal-collecting tube have the advantage of vacuum tube and heat pipe simultaneously; Vacuum tube has reduced heat pipe hot junction heat loss; Adopt heat-pipe elements then to increase the pressure-bearing of device, ability such as freeze proof, reduced the thermal capacity of thermal-collecting tube, shorten the start-up time of thermal-collecting tube.Selective coating is coated on heat pipe hot junction outer wall and the fin, can fully absorb solar energy, reduces the running temperature of vacuum tube simultaneously.
Implement row 2: shown in Fig. 1-2, a kind of new heat pipe formula solar vacuum heat-collecting pipe is made up of solar energy vacuum tube 1, heat pipe 3, sealing-plug 4.Heat pipe 3 is contained in the solar energy vacuum tube 1, and heat pipe 3 is electroplated two layers of oxidation resistant coating for selective absorption towards the sun one side, and the vacuum tube top is tightly connected with sealing-plug 4 and heat pipe 3.Sealing-plug 4 is high temperature resistant metal closures with sealing effectiveness.Fin 2 is equipped with in heat pipe 3 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. new heat pipe formula solar vacuum heat-collecting pipe is characterized in that: this vacuum tube is made up of solar energy vacuum tube (1), heat pipe (3), sealing-plug (4); Heat pipe (3) is contained in the solar energy vacuum tube (1), and heat pipe (3) one sides scribble coating for selective absorption, and the vacuum tube top is tightly connected with sealing-plug (4) and heat pipe (3).
2. a kind of new heat pipe formula solar vacuum heat-collecting pipe according to claim 1 is characterized in that: fin (2) is equipped with in heat pipe (3) both sides, and fin scribbles coating for selective absorption on (2).
3. a kind of new heat pipe formula solar vacuum heat-collecting pipe 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 new heat pipe formula solar vacuum heat-collecting pipe according to claim 1 is characterized in that: sealing-plug (4) centre-drilling hole.
CN 201120350453 2011-09-19 2011-09-19 Novel heat tube type solar vacuum heat collecting tube Expired - Fee Related CN202254428U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201120350453 CN202254428U (en) 2011-09-19 2011-09-19 Novel heat tube type solar vacuum heat collecting tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201120350453 CN202254428U (en) 2011-09-19 2011-09-19 Novel heat tube type solar vacuum heat collecting tube

Publications (1)

Publication Number Publication Date
CN202254428U true CN202254428U (en) 2012-05-30

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ID=46115661

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201120350453 Expired - Fee Related CN202254428U (en) 2011-09-19 2011-09-19 Novel heat tube type solar vacuum heat collecting tube

Country Status (1)

Country Link
CN (1) CN202254428U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102818386A (en) * 2012-07-23 2012-12-12 临沂市瑞光新能源科技有限公司 Superconductive medium heat transferring type high-temperature solar heat collecting tube

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102818386A (en) * 2012-07-23 2012-12-12 临沂市瑞光新能源科技有限公司 Superconductive medium heat transferring type high-temperature solar heat collecting tube

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C14 Grant of patent or utility model
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120530

Termination date: 20140919