CN107975947A - The processing method of vane type solar energy heat collection pipe - Google Patents
The processing method of vane type solar energy heat collection pipe Download PDFInfo
- Publication number
- CN107975947A CN107975947A CN201711131492.8A CN201711131492A CN107975947A CN 107975947 A CN107975947 A CN 107975947A CN 201711131492 A CN201711131492 A CN 201711131492A CN 107975947 A CN107975947 A CN 107975947A
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- China
- Prior art keywords
- thermal
- collecting tube
- solar energy
- tube
- round bar
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
-
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Surface Treatment Of Glass (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
The invention discloses a kind of processing method of vane type solar energy heat collection pipe, including processing a kind of vane type solar energy heat collection pipe, the vane type solar energy heat collection pipe includes circular glass thermal-collecting tube, tube wall has the vacuum sealing tube wall of the double glazing of spectrum selective paint in, the thermal-collecting tube both ends open, the thermal-arrest inner axial tube is equipped with multiple revolving parts successively, each revolving part includes round bar made of a transparent resin axially set with the thermal-collecting tube, the round bar is radially radioactively evenly arranged with multi-disc transparent resin blade, its procedure of processing includes：A processes thermal-collecting tube；B machining rotation pieces；C is assembled：The step B revolving parts obtained are sequentially placed into the thermal-collecting tube of step A acquisitions.The present invention can solve the problem of existing solar energy heat collection pipe heating is uneven, and the efficiency of heating surface is not high.
Description
Technical field
The present invention relates to solar energy heating technical field, especially a kind of side for the evacuated collector tube for processing collection solar energy
Method.
Background technology
The existing evacuated collector tube for being used to gather solar energy generally comprises circular glass thermal-collecting tube, the pipe of the thermal-collecting tube
Wall has the vacuum glass double-layer tube wall of spectrum selective paint, thermal-collecting tube one end open in, and coating can be selectively absorbed
Solar spectrum, absorbs solar radiant energy to greatest extent.Through sunlight, photon strikes coating, solar energy changes into thermal energy, water
To absorb heat outside coating, water temperature rise, density reduces, and hot water moves upwards, and the cold water of one root long of proportion declines, thus in thermal-arrest
Pipe middle and upper part water temperature is higher, and lower part water temperature is relatively low, and sunlit scope more exacerbates top water temperature again more on top
Heat, the relatively low phenomenon of lower part water temperature, causes the water temperature heating in pipe uneven, the low shipwreck of temperature of lower with obtain effectively plus
Heat, makes whole thermal-collecting tube drop bottom to the efficiency of heating surface of water；And the thermal-collecting tube of one end open cannot direct water pipe, allow water directly to flow
Through.For processing technology, the thermal-collecting tube of an existing end closure, is generally all burnt using the double-layer tube wall for sealing end
Burn mouth, post-tensioning sealing, the technological process of annealing thus can not cannot accomplish tube opening in both ends, inside and outside channel closure
Effect.
The content of the invention
Problem to be solved by this invention is to provide a kind of processing method of vane type solar energy heat collection pipe, existing to solve
Solar energy heat collection pipe heating it is uneven, the problem of efficiency of heating surface is not high.
To solve the above-mentioned problems, the technical scheme is that：The processing method bag of this vane type solar energy heat collection pipe
A kind of vane type solar energy heat collection pipe of processing is included, the vane type solar energy heat collection pipe includes circular glass thermal-collecting tube, the collection
The tube wall of heat pipe has the vacuum sealing tube wall of the double glazing of spectrum selective paint, the thermal-collecting tube both ends open, institute in
State thermal-arrest inner axial tube and be equipped with multiple revolving parts successively, what each revolving part was axially set including one with the thermal-collecting tube
Round bar made of transparent resin, the round bar are radially radioactively evenly arranged with multi-disc transparent resin blade, the blade
Reduced from itself and the round bar junction to its afterbody arc；The diameter of the round bar is less than the percent of the thermal-arrest bore
Two, the maximum gauge of the blade is less than 1/5th of the rod diameter；When water is produced stream by heating in the thermal-collecting tube
When dynamic, revolving part described in water flowing generation pressure-driven slightly rotates；When the both ends of the thermal-collecting tube have, water flow pressure is poor, described
When each blade of revolving part is pressurized inconsistent, the revolving part rotation；The blade is integrally formed with the round bar；
Its procedure of processing includes：
A processes thermal-collecting tube：The good interior glass cylinder blank of blanking and outer glass cylinder blank, the internal diameter of inner cylinder blank are equal to collection
The pipe wall internal diameters of heat pipe, the outside diameter of outer cylinder blank is equal to the outside diameter of thermal-arrest tube wall, and spectrum selective paint is tabletted,
It is trapped among outside interior glass cylinder blank, fire burns the both ends of glass cylinder blank inside and outside heating, respectively from outer hot glass cylinder blank two
Stretched glass is held to the both ends of interior glass cylinder blank, the thawing of being heated of the spectrum selective paint of supporting pieces is attached to interior glass
On the outside of cylindrical blank；
B machining rotation pieces：Resin injection mould is shaped to by a root long round bar and multiple blades, the length of long round bar is equal to one
The sum of length of all revolving parts in a thermal-collecting tube, the revolving part blank of a root long is molded into resin material, by revolving part base
Material is punched into multiple revolving parts with the bicker of multiple cutters；
C is assembled：The step B revolving parts obtained are sequentially placed into the thermal-collecting tube of step A acquisitions.
In above-mentioned technical proposal, more specifically scheme can be：Between the blade afterbody and the collector tube inner wall
Distance in the range of the thermal-arrest bore 6 percent to 10.
Further：The blade has six.
By adopting the above-described technical solution, the present invention has the advantages that compared with prior art：
The vane type solar energy heat collection pipe of the processing method processing of this vane type solar energy heat collection pipe is close for the vacuum of double glazing
Tube sealing wall, thermal-collecting tube both ends open, both ends can direct water receiving pipes；Using the revolving part with blade, using being added in thermal-collecting tube
Heat produce flowing when, water flowing produce pressure-driven described in revolving part slightly rotate so that in thermal-collecting tube water along thermal-collecting tube radially
Flowing,；When the both ends of the thermal-collecting tube have, water flow pressure is poor, when each blade of the revolving part is pressurized inconsistent, institute
Revolving part rotation is stated, thermally equivalent is automatically balanced, reaches and be heated evenly, the high effect of the efficiency of heating surface；The arc of blade is excessive,
It is adapted to water jet propulsion blade；Transparent resin is material, along with the requirement of the size of blade and round bar, neither influences to be heated, and compare
Lighter, rotational resistance is small；Blade and round bar are integrally formed, and not only simplify structure, but also the obstruction of current will can be preferably minimized.
This method, which is used, to be put into spectrum selective paint is tabletted on the outside of interior glass cylinder blank, and the form of heating for dissolving, is protected
The stability of coating is demonstrate,proved；Inside and outside glass cylinder both ends fire burns heating, and stretches sealing, completes vacuum sealing well.
Brief description of the drawings
Fig. 1 is the front view of the embodiment of the present invention；
Fig. 2 is the left view of the embodiment of the present invention.
Embodiment
The embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings：
The processing method of this vane type solar energy heat collection pipe as shown in Figure 1 and Figure 2, it includes circular glass thermal-collecting tube, thermal-collecting tube
Tube wall be the vacuum sealing tube wall of the interior double glazing for having a spectrum selective paint 2, outer tube wall 1 and the sealing of inner tubal wall 3 are formed
Vacuum tube wall, thermal-collecting tube both ends open, both ends can direct water receiving pipes；Thermal-arrest inner axial tube is equipped with multiple revolving parts successively, often
A revolving part includes round bar 4 made of a transparent resin axially set with thermal-collecting tube, and round bar 4 is radially radioactively uniform
Six transparent resin blades 5 are provided with, blade 5 is reduced from itself and 4 junction of round bar to its afterbody arc；When in thermal-collecting tube water by
When heating produces flowing, water flowing produces pressure-driven revolving part and slightly rotates；When the both ends of thermal-collecting tube have, water flow pressure is poor, rotation
Turn part each blade be pressurized it is inconsistent when, revolving part rotation.During using being produced flowing by heating in thermal-collecting tube, water flowing produces
Revolving part slightly rotates described in pressure-driven, so that water automatically balances thermally equivalent along thermal-collecting tube Radial Flow in thermal-collecting tube,
Reach and be heated evenly, the high effect of the efficiency of heating surface；The arc of blade is excessive, is adapted to water jet propulsion blade 5；Blade 5 and round bar 4 one
It is body formed, not only simplify structure, but also the obstruction of current will can be preferably minimized；The diameter b of round bar 4 is less than thermal-arrest bore a's
2 percent, the maximum gauge c of blade 4 are less than 1/5th of 4 diameter b of round bar；When water is produced flowing by heating in thermal-collecting tube
When, water flowing produces pressure-driven revolving part and slightly rotates.The distance between 5 afterbody of blade and collector tube inner wall d are in thermal-collecting tube
In the range of internal diameter a 6 percent to 10, specifically, the distance between 5 afterbody of blade and collector tube inner wall d are thermal-arrest
Bore a 6 percent.Transparent resin is material, along with the requirement of the size of blade and round bar, neither influences to be heated, and compare
Light, rotational resistance is small.
Its procedure of processing includes：
A processes thermal-collecting tube：The good interior glass cylinder blank of blanking and outer glass cylinder blank, the internal diameter of inner cylinder blank are equal to collection
The pipe wall internal diameters of heat pipe, the outside diameter of outer cylinder blank is equal to the outside diameter of thermal-arrest tube wall, and spectrum selective paint is tabletted,
It is trapped among outside interior glass cylinder blank, fire burns the both ends of glass cylinder blank inside and outside heating, respectively from outer hot glass cylinder blank two
Stretched glass is held to the both ends of interior glass cylinder blank, the thawing of being heated of the spectrum selective paint of supporting pieces is attached to interior glass
On the outside of cylindrical blank.B machining rotation pieces：Resin injection mould is shaped to by a root long round bar and multiple blades, long round bar
Length is equal to the sum of length of all revolving parts in a thermal-collecting tube, and the revolving part blank of a root long is molded into resin material,
Revolving part blank is punched into multiple revolving parts with the bicker of multiple cutters.C is assembled：The revolving part that step B is obtained is successively
It is put into the thermal-collecting tube of step A acquisitions.This method, which is used, is being put into interior glass cylinder base by spectrum selective paint is tabletted
Material outside, the form of heating for dissolving, ensure that the stability of coating；Inside and outside glass cylinder both ends fire burns heating, and stretches sealing,
Vacuum sealing is completed well.
Claims (3)
- A kind of 1. processing method of vane type solar energy heat collection pipe, it is characterised in that：Including processing a kind of vane type solar energy collection Heat pipe, the vane type solar energy heat collection pipe include circular glass thermal-collecting tube, and the tube wall of the thermal-collecting tube has optical electivity to be interior Property coating double glazing vacuum sealing tube wall, the thermal-collecting tube both ends open, the thermal-arrest inner axial tube successively be equipped with it is more A revolving part, each revolving part includes round bar made of a transparent resin axially set with the thermal-collecting tube, described Round bar is radially radioactively evenly arranged with multi-disc transparent resin blade, the blade from its with the round bar junction to it Afterbody arc reduces；The diameter of the round bar is less than 2 the percent of the thermal-arrest bore, and the maximum gauge of the blade is small In 1/5th of the rod diameter；When water is produced flowing by heating in the thermal-collecting tube, water flowing produces pressure-driven The revolving part slightly rotates；When the both ends of the thermal-collecting tube have, water flow pressure is poor, each blade of the revolving part by When pressing inconsistent, the revolving part rotation；The blade is integrally formed with the round bar；Its procedure of processing includes：A processes thermal-collecting tube：The good interior glass cylinder blank of blanking and outer glass cylinder blank, the internal diameter of inner cylinder blank are equal to collection The pipe wall internal diameters of heat pipe, the outside diameter of outer cylinder blank is equal to the outside diameter of thermal-arrest tube wall, and spectrum selective paint is tabletted, It is trapped among outside interior glass cylinder blank, fire burns the both ends of glass cylinder blank inside and outside heating, respectively from outer hot glass cylinder blank two Stretched glass is held to the both ends of interior glass cylinder blank, the thawing of being heated of the spectrum selective paint of supporting pieces is attached to interior glass On the outside of cylindrical blank；B machining rotation pieces：Resin injection mould is shaped to by a root long round bar and multiple blades, the length of long round bar is equal to one The sum of length of all revolving parts in a thermal-collecting tube, the revolving part blank of a root long is molded into resin material, by revolving part base Material is punched into multiple revolving parts with the bicker of multiple cutters；C is assembled：The step B revolving parts obtained are sequentially placed into the thermal-collecting tube of step A acquisitions.
- 2. the processing method of vane type solar energy heat collection pipe according to claim 1, it is characterised in that：The blade afterbody The distance between described collector tube inner wall is in the range of the thermal-arrest bore 6 percent to 10.
- 3. the processing method of vane type solar energy heat collection pipe according to claim 1 or 2, it is characterised in that：The blade There are six.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711131492.8A CN107975947A (en) | 2017-11-15 | 2017-11-15 | The processing method of vane type solar energy heat collection pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711131492.8A CN107975947A (en) | 2017-11-15 | 2017-11-15 | The processing method of vane type solar energy heat collection pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107975947A true CN107975947A (en) | 2018-05-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711131492.8A Withdrawn CN107975947A (en) | 2017-11-15 | 2017-11-15 | The processing method of vane type solar energy heat collection pipe |
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| Country | Link |
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| CN (1) | CN107975947A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5520377A (en) * | 1978-07-31 | 1980-02-13 | Matsushita Electric Works Ltd | Forced circulation type heat exchanger |
| CN2886433Y (en) * | 2005-08-17 | 2007-04-04 | 江苏科技大学 | Inner tube through type solar heat collector |
| CN201561595U (en) * | 2009-12-14 | 2010-08-25 | 北京清华阳光能源开发有限责任公司 | Double-layered coaxial double-pass all-glass solar collector tube |
| CN201628513U (en) * | 2009-12-16 | 2010-11-10 | 北京化工大学 | Autorotation rotor connecting structure in heat exchange tube |
| CN102128559A (en) * | 2010-01-14 | 2011-07-20 | 北京化工大学 | Low driving force self-cleaning and heat transfer enhancement rotor in heat exchange tube |
| CN102384698A (en) * | 2011-07-04 | 2012-03-21 | 南京华夏壹泰节能科技有限公司 | Rigid-connection enhanced heat transfer device |
| CN104567523A (en) * | 2014-12-30 | 2015-04-29 | 湘潭大学 | Descaling, scale control and heat transfer unit with intra-tube ellipsoidal insert and reinforced circulation particles |
| CN106352567A (en) * | 2016-10-25 | 2017-01-25 | 天津大学 | Novel solar heat collection pipe with built-in heat absorber |
-
2017
- 2017-11-15 CN CN201711131492.8A patent/CN107975947A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5520377A (en) * | 1978-07-31 | 1980-02-13 | Matsushita Electric Works Ltd | Forced circulation type heat exchanger |
| CN2886433Y (en) * | 2005-08-17 | 2007-04-04 | 江苏科技大学 | Inner tube through type solar heat collector |
| CN201561595U (en) * | 2009-12-14 | 2010-08-25 | 北京清华阳光能源开发有限责任公司 | Double-layered coaxial double-pass all-glass solar collector tube |
| CN201628513U (en) * | 2009-12-16 | 2010-11-10 | 北京化工大学 | Autorotation rotor connecting structure in heat exchange tube |
| CN102128559A (en) * | 2010-01-14 | 2011-07-20 | 北京化工大学 | Low driving force self-cleaning and heat transfer enhancement rotor in heat exchange tube |
| CN102384698A (en) * | 2011-07-04 | 2012-03-21 | 南京华夏壹泰节能科技有限公司 | Rigid-connection enhanced heat transfer device |
| CN104567523A (en) * | 2014-12-30 | 2015-04-29 | 湘潭大学 | Descaling, scale control and heat transfer unit with intra-tube ellipsoidal insert and reinforced circulation particles |
| CN106352567A (en) * | 2016-10-25 | 2017-01-25 | 天津大学 | Novel solar heat collection pipe with built-in heat absorber |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180501 |
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| WW01 | Invention patent application withdrawn after publication |