CN205606933U - Area reflection separates solar energy high temperature thermal -collecting tube of heat exchanger and support frame - Google Patents

Area reflection separates solar energy high temperature thermal -collecting tube of heat exchanger and support frame Download PDF

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Publication number
CN205606933U
CN205606933U CN201620015861.1U CN201620015861U CN205606933U CN 205606933 U CN205606933 U CN 205606933U CN 201620015861 U CN201620015861 U CN 201620015861U CN 205606933 U CN205606933 U CN 205606933U
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CN
China
Prior art keywords
heat absorption
metal heat
tube
insulation cover
reflective insulation
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Expired - Fee Related
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CN201620015861.1U
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Chinese (zh)
Inventor
张正文
马克·平特
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张正文
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Priority to CN201620015861.1U priority Critical patent/CN205606933U/en
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Publication of CN205606933U publication Critical patent/CN205606933U/en
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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 discloses an area reflection separates the high temperature sun thermal -collecting tube of heat exchanger and support frame, include: glass tube with vacuum, metal heat absorption pipe is located glass tube with vacuum, has the annulus between metal heat absorption pipe and the glass tube with vacuum, reflection member is the tubulose, one side opening of reflection member, and the interval sets up between reflection member and the glass tube with vacuum and between reflection member and the heat absorption tubular metal resonator, a plurality of connection metal heat absorption pipes and reflection member's coupling assembling, each coupling assembling includes two at least support frames. Reflection member plays the function of reflecting heat volume, and simultaneously, because reflection member separates with metal heat absorption intertube to be set up, direct contact high temperature state metal heat absorption pipe down not in glass tube with vacuum so the reflection member relative temperature is lower, can not take place to deform, the utility model discloses a coupling assembling becomes whole with reflection member and metal heat absorption union coupling, has increased the anti soft of metal heat absorption pipe, can prevent that the deliquescing is managed under the high temperature state in the metal heat absorption and because of the gravity bending deformation.

Description

A kind of band reflective insulation cover and the solar energy high-temperature heat collection pipe of bracing frame
Technical field
This utility model relates to solar electrical energy generation and middle high temperature solar Collection utilization field, in particular it relates to a kind of band reflective insulation cover and the high-temperature solar thermal-collecting tube of bracing frame.
Background technology
There is not the consumption problem such as a large amount of fossil energies and environmental pollution in solar energy thermal-power-generating technology, is a kind of cleaning and continuable generation technology.Solar energy thermal-power-generating technology provides energy based on light collecting heat collector, is broadly divided into parabolic trough type, tower and butterfly three class.Comparatively speaking, parabolic trough type solar energy thermal-power-generating technology is the most ripe, and existing commercialization power station is run.
Parabolic trough type solar heat power generation system includes groove type paraboloid investigation on several focus reflectors, metal rack and for collecting the solar energy high-temperature heat collection pipe of solar energy of grooved parabolic concentrator reflector reflection;Described groove type paraboloid investigation on several focus reflectors and solar energy high-temperature heat collection pipe are mounted on metal rack.But existing solar energy high-temperature heat collection pipe only uses vacuum heat-preserving mode to be inadequate.The metal heat absorption tube of solar energy high-temperature heat collection pipe produces the highest temperature after the solar energy absorbing high power concentrator, but simultaneously also at external radiations heat energy.Temperature is the highest, and it is the most that the heat that metal heat absorption tube radiation produces is escaped.And metal heat absorption tube is susceptible to bending because of inequality of being heated at high operating temperatures.Therefore develop a kind of band reflective insulation cover and the solar energy high-temperature heat collection pipe of bracing frame, and it is applied to parabolic trough type solar heat power generation system and becomes current urgent problem.
Utility model content
The purpose of this utility model is to provide a kind of solar energy vacuum tube that can overcome the problems referred to above and parabolic trough type solar heat power generation system.
For reaching this purpose, this utility model by the following technical solutions:
A kind of band reflective insulation cover and the high-temperature solar thermal-collecting tube of bracing frame, including:
Glass tube with vacuum;
Metal heat absorption tube, heat can circulate at described metal heat absorption tube, and described metal heat absorption tube is positioned at described glass tube with vacuum, has annulus between described metal heat absorption tube and described glass tube with vacuum, and the outer surface of described metal heat absorption tube has heat-sink shell;
Reflecting element, for heat being reflexed to described metal heat absorption tube, described reflecting element in a tubular form, a side opening of described reflecting element, between described reflecting element and described glass tube with vacuum and between described reflecting element and described middle part metal tube, there is interval;
The described metal heat absorption tube of some connections and the connection assembly of described reflecting element, described connection assembly is spaced setting along the axis direction of described metal heat absorption tube, and each described connection assembly includes at least two bracing frame.
Wherein in an embodiment, described reflecting element is made up of at least one reflective insulation cover.
Wherein in an embodiment, described reflecting element is made up of at least two reflective insulation cover;Between described reflective insulation cover, interval is arranged;Described reflective insulation cover is connected with described metal heat absorption tube by support frame as described above.
Wherein in an embodiment, the camber line angle of the cross section of described reflective insulation cover is between 120 °-300 °.
Wherein in an embodiment, the camber line angle of the cross section of described reflective insulation cover is between 150 °-240 °.
Wherein in an embodiment, the position of the corresponding described reflecting element of described vacuum glass inside pipe wall is provided with heat-reflecting layer.
Wherein in an embodiment, described heat-sink shell being provided with some and described steel pipe concentric cannelure, described cannelure is arranged at equal intervals along the axis direction of described steel pipe.
Wherein in an embodiment, described metal heat absorption tube is stainless steel tube.
Contrast prior art, the beneficial effects of the utility model are: reflecting element acts primarily as the function of reflection heat, simultaneously, because reflecting element and metal heat absorption tube interval are arranged, in glass tube with vacuum and be not directly contacted with the metal heat absorption tube under the condition of high temperature, so reflecting element relative temperature is relatively low, will not deform upon.Reflecting element and metal heat absorption tube are connected into entirety by connecting assembly by this utility model, add the anti-soft of metal heat absorption tube, are possible to prevent metal heat absorption tube deliquescing at high operating temperatures and because of gravity or be heated inequality and occur bending and deformation.
Accompanying drawing explanation
Below according to drawings and Examples, this utility model is described in further detail.
Fig. 1 is the structural representation of the high temperature solar collector pipe of a kind of band reflective insulation cover described in this utility model embodiment and bracing frame.
In figure:
10, solar energy high-temperature heat collection pipe;20, glass tube with vacuum;21, heat-reflecting layer;30, metal heat absorption tube;31, heat-sink shell;40, reflecting element;41, reflective insulation cover;50, bracing frame.
Detailed description of the invention
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by detailed description of the invention.
As shown in Figure 1, present embodiment discloses a kind of solar energy high-temperature heat collection pipe 10, it includes glass tube with vacuum 20, the metal heat absorption tube 30 in glass tube with vacuum 20, the reflecting element 40 between glass tube with vacuum 20 and metal heat absorption tube 30 and some connection metal heat absorption tubes 30 and the connection assembly of reflecting element 40;Between metal heat absorption tube 30 and glass tube with vacuum 20, there is toroidal cavity;Metal heat absorption tube 30 is used for allowing heat within it to circulate;Reflecting element 40 for reflexing to metal heat absorption tube 30 by heat, reflecting element 40 is in a tubular form, one side opening of reflecting element 40, so that the heat focused on enters and all projects on endothermic tube 30, is spaced between reflecting element 40 and glass tube with vacuum 20 and between reflecting element 40 and metal heat absorption tube 30 and arranges;Connecting the assembly axis direction interval setting along metal heat absorption tube 30, each assembly that connects includes at least two bracing frame 50.
Reflecting element 40 acts primarily as the function of reflection heat, meanwhile, because the setting of reflecting element 40 and metal heat absorption tube 30 interval, in glass tube with vacuum 20 and the metal heat absorption tube 30 that is not directly contacted with under the condition of high temperature, so reflecting element 40 relative temperature is relatively low, will not deform upon.By connecting assembly, reflecting element 40 and metal heat absorption tube 30 are connected into entirety, add the anti-soft of metal heat absorption tube 30, be possible to prevent metal heat absorption tube 30 deliquescing at high operating temperatures and because gravity or inequality of being heated occur bending and deformation.
Reflecting element 40 is made up of at least one reflective insulation cover 41, it is preferred that reflecting element 40 is made up of at least two reflective insulation cover 41;Being set in distance between reflective insulation cover 41, reflective insulation cover 41 is connected with metal heat absorption tube 30 by bracing frame 50.By interval between reflective insulation cover 41 is arranged, it is possible to prevent between reflective insulation cover 41 to occur because contacting with each other conduction of heat, improves the heat reflection efficiency of reflecting element 40.And the heat that superposition can make metal heat absorption tube 30 radiation produce that repeats of multiple reflective insulation cover 41 is reflected back metal heat-generating pipe more.In the present embodiment, reflecting element 40 is made up of two reflective insulation covers 41, accordingly, each assembly that connects includes three bracing frames 50, one of them bracing frame 50 connects the metal heat absorption tube 30 reflective insulation cover 41 near metal heat absorption tube 30, and two other bracing frame 50 is all connected with metal heat absorption tube 30 and two reflective insulation covers 41.In other embodiments, the concrete condition that the quantity of bracing frame 50, the quantity of reflective insulation cover 41 and bracing frame 50 with which reflective insulation cover 41 connect according to solar energy high-temperature heat collection pipe 10 determines.
The camber line angle of the cross section of reflective insulation cover 41 is between 120 °-300 °.By arranging the camber line angle of the cross section of reflective insulation cover 41 between 120 °-300 °, the heat focused on can be made to be reflected onto endothermic tube in a large number, decrease high-temperature hot loss.Further, the camber line angle of the cross section of reflective insulation cover 41 is between 150 °-240 °.In the present embodiment, the camber line angle of the cross section of reflective insulation cover 41 is 220 °.
The position of the inwall correspondence reflecting element 40 of glass tube with vacuum 20 is provided with heat-reflecting layer 21.Heat-reflecting layer 21 is set by the position of the inwall correspondence reflecting element 40 at glass tube with vacuum 20 so that the heat that metal heat absorption tube 30 radiate can be reflected back toward on metal heat absorption tube 30 more, so that the heat leakage of metal heat absorption tube 30 reduces further.
In the present embodiment, metal heat absorption tube 30 is stainless steel tube.Rustless steel can be attached by welding, therefore it is easy to ensure that the airtight conditions of connecting portion.It addition, stainless steel tube corrosion resistance, excellent strength, use in various fields, easily start with, and the most favourable for cost.Therefore, by arranging metal heat absorption tube 30 for stainless steel tube, it is possible to obtain above-mentioned advantage.Certainly, metal heat absorption tube of the present utility model is not limited only to stainless steel tube, and the metal tube that the material that other heat absorptivities are good is made is also applied for this utility model.
In order to increase the heat absorption speed of metal heat absorption tube 30, in other embodiments, also can arrange some and metal heat absorption tube 30 concentric cannelure on heat-sink shell 31, cannelure is arranged at equal intervals along the axis direction of metal heat absorption tube 30.By arranging some cannelures on heat-sink shell 31, increase the endotherm area of heat-sink shell 31 so that the heat absorption speed of metal heat absorption tube 30 improves the most rapidly.
In other embodiments, in order to make heat reflection part 40 not rock in glass tube with vacuum, the two ends of reflective insulation cover 41 spaced with glass tube with vacuum 20 can be connected with metal heat absorption tube by stainless steel screw, and stainless steel screw is easy to the reflecting element 40 dismounting in glass tube with vacuum 20.
Know-why of the present utility model is described above in association with specific embodiment.These descriptions are intended merely to explain principle of the present utility model, and can not be construed to the restriction to this utility model protection domain by any way.Based on explanation herein, those skilled in the art need not pay performing creative labour can associate other detailed description of the invention of the present utility model, within these modes fall within protection domain of the present utility model.

Claims (8)

1. a band reflective insulation cover and the high-temperature solar thermal-collecting tube of bracing frame, it is characterised in that including:
Glass tube with vacuum;
Metal heat absorption tube, heat can circulate in described metal heat absorption tube, and described metal heat absorption tube is positioned at described glass tube with vacuum, has annulus between described metal heat absorption tube and described glass tube with vacuum, and the outer surface of described metal heat absorption tube has heat-sink shell;
Reflecting element, for heat being reflexed to described metal heat absorption tube, described reflecting element in a tubular form, a side opening of described reflecting element, between described reflecting element and described glass tube with vacuum and between described reflecting element and described metal heat absorption tube, there is interval;
The described metal heat absorption tube of some connections and the connection assembly of described reflecting element, described connection assembly is spaced setting along the axis direction of described metal heat absorption tube, and each described connection assembly includes at least two bracing frame.
Band reflective insulation cover the most according to claim 1 and the high-temperature solar thermal-collecting tube of bracing frame, it is characterised in that described reflecting element is made up of at least one reflective insulation cover.
Band reflective insulation cover the most according to claim 2 and the high-temperature solar thermal-collecting tube of bracing frame, it is characterised in that described reflecting element is made up of at least two reflective insulation cover;Between described reflective insulation cover, interval is arranged;Described reflective insulation cover is connected with described metal heat absorption tube by support frame as described above.
Band reflective insulation cover the most according to claim 3 and the high-temperature solar thermal-collecting tube of bracing frame, it is characterised in that the camber line angle of the cross section of described reflective insulation cover is between 120 °-300 °.
Band reflective insulation cover the most according to claim 4 and the high-temperature solar thermal-collecting tube of bracing frame, it is characterised in that the camber line angle of the cross section of described reflective insulation cover is between 150 °-240 °.
Band reflective insulation cover the most according to claim 1 and the high-temperature solar thermal-collecting tube of bracing frame, it is characterised in that the position of the corresponding described reflecting element of the inwall of described glass tube with vacuum is provided with heat-reflecting layer.
Band reflective insulation cover the most according to claim 1 and the high-temperature solar thermal-collecting tube of bracing frame, it is characterized in that, being provided with some and described metal heat absorption tube concentric cannelure on described heat-sink shell, described cannelure is arranged at equal intervals along the axis direction of described metal heat absorption tube.
Band reflective insulation cover the most according to claim 1 and the high-temperature solar thermal-collecting tube of bracing frame, it is characterised in that described metal heat absorption tube is stainless steel tube.
CN201620015861.1U 2016-01-10 2016-01-10 Area reflection separates solar energy high temperature thermal -collecting tube of heat exchanger and support frame Expired - Fee Related CN205606933U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620015861.1U CN205606933U (en) 2016-01-10 2016-01-10 Area reflection separates solar energy high temperature thermal -collecting tube of heat exchanger and support frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620015861.1U CN205606933U (en) 2016-01-10 2016-01-10 Area reflection separates solar energy high temperature thermal -collecting tube of heat exchanger and support frame

Publications (1)

Publication Number Publication Date
CN205606933U true CN205606933U (en) 2016-09-28

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106958954A (en) * 2016-01-10 2017-07-18 张正文 A kind of solar energy high-temperature heat collection pipe with reflective insulation cover and support frame

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106958954A (en) * 2016-01-10 2017-07-18 张正文 A kind of solar energy high-temperature heat collection pipe with reflective insulation cover and support frame

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

Granted publication date: 20160928

Termination date: 20210110

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