CN101598448B - All-glass evacuated rectangular planar heat tube collector tube - Google Patents
All-glass evacuated rectangular planar heat tube collector tube Download PDFInfo
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- CN101598448B CN101598448B CN2008103019057A CN200810301905A CN101598448B CN 101598448 B CN101598448 B CN 101598448B CN 2008103019057 A CN2008103019057 A CN 2008103019057A CN 200810301905 A CN200810301905 A CN 200810301905A CN 101598448 B CN101598448 B CN 101598448B
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- tube
- glass
- rectangular planar
- pipe
- planar heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S40/00—Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
- F24S40/40—Preventing corrosion; Protecting against dirt or contamination
- F24S40/46—Maintaining vacuum, e.g. by using getters
-
- 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
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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)
- Joining Of Glass To Other Materials (AREA)
Abstract
An all-glass evacuated rectangular planar heat tube collector tube comprises a cover glass tube, an evaporator section of the rectangular planar glass collector tube, a support fixed elastic card of a getter, an exhaust nozzle and a condenser section; the base tube of the rectangular planar glass collector tube of the invention is a rectangular glass tube; tube heads at both ends of the rectangular glass tube are processed into round glass tube heads; the surface of the outer wall of the manufactured rectangular glass tube with openings at both ends is compounded with a heat absorption film layer; the tube head at one end of the cover glass tube is uniformed and sintered and that at the other end is sealed; the cover glass tube is sheathed with the rectangular planar round glass collector tube; by annular reducing, soldering and sealing by glass, the cover glass tube mouth is necked and sealed with the mouth of the rectangular planar round glass collector tube as a whole to form a round sealed single-glass tube; after the interlayer of the internal and external glass tubes is vacuumized, the exhaust nozzle is sealed by glass and the getter is evaporated to manufacture the all-glass evacuated rectangular planar heat tube collector tube. The tube enjoys high heat absorption efficiency and long service life and can utilize scattered light.
Description
Technical field
The present invention relates to a kind of solar collector pipe, especially a kind of high-efficiency full-glass vacuum rectangle plane heat collector tube pipe belongs to the Application of Solar Energy field.
Background technology
At present, known all-glass evacuated solar collector tube is a circle thermal-collecting tube structure in the cylindrical vestlet suit, and this structure heat radiation heat radiation is serious, and heat-insulating property is poor, and has stopped being shining into of scattered light.
In order to address the above problem, invented a kind of all-glass evacuated rectangular planar heat tube collector tube, the present invention not only heat absorption efficiency is high, good heat insulating, but also can reduce heat radiation, utilize scattered light.
The technical solution adopted for the present invention to solve the technical problems is: a kind of all-glass evacuated rectangular planar heat tube collector tube; Comprise the cover glass pipe, support bullet card, getter, exhaust nozzle; Rectangle plane evaporator section glass tube, condensation segment glass tube, phase-change heat transfer medium, phase-change heat transfer medium filling nozzle; It is characterized in that: the parent tube of the rectangle plane evaporator section glass tube of all-glass evacuated rectangular planar heat tube collector tube is the glass rectangular tube; The glass round tube head that is processed into sufficient length is moulded in the heating of glass rectangular tube one end tube head, to glass round tube flush, a burning mouth.The glass round tube head expands to become and glass rectangular tube concentric, isodiametric glass round tube head.Glass rectangular tube one end tube head accent is round, flush, the burning mouth, and the clinkering of glass rectangular tube other end tube head glass is sealed and processed ground glass rectangular tube, or glass rectangular tube other end tube head; Heating is earlier moulded processing and is expanded to become and glass rectangular tube concentric, isodiametric glass round tube head; The glass round tube head is sealed in the glass clinkering, with being processed into installation and the identical heat conducting film of glass inner tube wall in the ground glass rectangular tube, on the outer wall surface of the plane of glass rectangular tube; One side is half the longitudinally, the compound heat absorption rete in one or both sides; Process rectangle plane evaporator section glass tube, burning that cover glass Guan Yiduan tube head is flush mouth, the clinkering of cover glass pipe other end tube head glass is sealed; On the glass tube head that seals; Glass welding exhaust nozzle tail pipe is installed the support bullet card that has getter in the cover glass pipe, then rectangle plane evaporator section glass tube is sleeved in the cover glass pipe; The cover glass mouth of pipe and rectangle plane evaporator section glass tube walls ring glass welding sealing by fusing form the condensation segment glass tube that glass welding sealing by fusing ring has sufficient length outward.After the outer glass pipe interlayer vacuumizes in the all-glass evacuated rectangular planar heat tube collector tube; The glass sealing exhaust nozzle; The evaporation getter, melting welding connects phase-change heat transfer medium filling nozzle on the condensation segment glass tube, behind the filled phase-change heat transfer medium of phase-change heat transfer medium filling nozzle; The glass tube that sealing phase-change heat transfer medium filling nozzle is processed in the outer glass enclosure tube is the evaporator section glass tube, and the outer glass tube of outer glass enclosure tube is the all-glass evacuated rectangular planar heat tube collector tube of condensation segment glass tube.
A kind of all-glass evacuated rectangular planar heat tube collector tube, its heat conducting film are first heating, drying, can form the flowing material of firm carburization zone after the back destructive distillation; Inject in the rectangle plane evaporator section glass tube; The rotation heating, drying forms the film of being close to tube wall, after the firm carbonization rete that destructive distillation is processed.
A kind of all-glass evacuated rectangular planar heat tube collector tube; Glass rectangular tube glass clinkering of heat collecting glass tube is sealed on the glass tube end socket of formation in it; The connection of suit symmetry is compounded with the excessive short glass tube end socket that formation is sealed in the clinkering of pipe glass, makes glass rectangular tube end socket one end become the pipe head.
A kind of all-glass evacuated rectangular planar heat tube collector tube; The glass rectangular tube of heat collecting glass tube in it burns mouth with an end, the end socket surface of the glass round tube head that the clinkering of other end glass is sealed; Concentric glass head seal annular solder is processed the rectangle plane heat collecting glass tube that tail end has one section blank pipe head.
A kind of all-glass evacuated rectangular planar heat tube collector tube, its glass rectangle tube head heating is moulded processing and is expanded into and glass rectangular tube concentric, isodiametric glass round tube head, flush, burning mouth.With glass rectangular tube concentric, equal diameter, an end glass tube clinkering is sealed, and the other end burns glass round tube sealing-in mouth one end of mouth, and the rectangle plane heat collecting glass tube that tail end has one section blank pipe head is processed in the glass ring-shaped welding.
A kind of all-glass evacuated rectangular planar heat tube collector tube, the inner surface of its glass rectangular tube plane tube wall is inwardly protruded cambered surface.
A kind of all-glass evacuated rectangular planar heat tube collector tube, the interior heat collection glass tube-surface of its all-glass evacuated rectangular planar heat tube collector tube or process chemical attack emulsification treatment.The cover glass pipe of all-glass evacuated rectangular planar heat tube collector tube or be ultrawhite low-reflection glass pipe.
A kind of all-glass evacuated rectangular planar heat tube collector tube, its a kind of all-glass evacuated rectangular planar heat tube collector tube, a wherein end end socket of its all-glass evacuated rectangular planar heat tube collector tube two end sockets is provided with pressure limiting glass end socket, pressure limiting glass end socket or be the plane.The condensation segment glass tube of all-glass evacuated rectangular planar heat tube collector tube is made up of a condensation cavity at least, forms big cryosurface.All-glass evacuated rectangular planar heat tube collector tube condensation segment or be at least two concentric suits of tube chamber, termination are welded to each other that to form the cross section be the closed cavity of concentric ring.The all-glass evacuated rectangular planar heat tube collector tube condensation segment or be the tube chamber welded and installed of at least two one ends sealing on a tube chamber, form with one and manage at least two condenser pipe cavitys that are connected.The all-glass evacuated rectangular planar heat tube collector tube condensation segment or be at least one inverted U-shaped tube chamber welded and installed on same tube chamber, form with one and manage at least two condenser pipe cavitys that are connected.All-glass evacuated rectangular planar heat tube collector tube condensation segment or comprise two petal chambeies at least for the cross section is connected along degree of slipping over a tube chamber, forms the cross section and comprises two petal chambeies at least and manage a plurality of condenser pipe cavitys that are connected with one.The condensation segment glass tube of all-glass evacuated rectangular planar heat tube collector tube is connected transition position or is provided with the throttling heat exchanger with the evaporator section glass tube; Its shape of throttling heat exchanger or be condensation segment one side pipe head sealing, glass tube or identical shaped earthenware or identical shaped metal tube that the evaporator section tube head opens wide.On the inner glass wall of all-glass evacuated rectangular planar heat tube collector tube condensation segment or be provided with conductive film layer, conductive film layer is connected with the glass sealing electrode electricity, and the glass sealing electrode is connected with the negative electricity of dc source, and the positive pole of dc source is electrically connected with the earth.On the termination of all-glass evacuated rectangular planar heat tube collector tube condensation segment glass tube or be provided with sucker.
A kind of all-glass evacuated rectangular planar heat tube collector tube, on the inside and outside surface of cover glass pipe of its all-glass evacuated rectangular planar heat tube collector tube, vertically be compounded with less than, equal the reflective mirror of cover glass pipe one semicanal face.Or on the outer surface of a side pipe wall of rectangle plane heat collecting glass tube, vertically be compounded with reflective mirror.Or on the inside and outside surface of cover glass pipe of all-glass evacuated rectangular planar heat tube collector tube; Vertically be compounded with less than, equal the reflective mirror of cover glass pipe one semicanal face; On the outer surface of one side pipe wall of rectangle plane heat collecting glass tube, also vertically be compounded with reflective mirror.
A kind of all-glass evacuated rectangular planar heat tube collector tube; On the tube wall of its all-glass evacuated rectangular planar heat tube collector tube cover glass pipe; Be provided with Fresnel Lenses, convex lens, Fresnel Lenses, convex lens vertically are located at strip Fresnel Lenses, the convex lens cover glass tube wall of the vertical layout on the both sides cover glass pipe circular arc tube wall between cover glass pipe diameter and the parallel chords.
The invention has the beneficial effects as follows: heat absorption efficiency is high, and long service life can reduce heat radiation, scattered light capable of using, and production cost is low.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified:
Fig. 1,2,4 forms first embodiment of the invention;
Fig. 1 is the unitary side cutaway view of a kind of first embodiment of all-glass evacuated rectangular planar heat tube collector tube of the present invention;
Fig. 2 is the sectional elevation of Fig. 1.
Fig. 4 is that first embodiment of a kind of all-glass evacuated rectangular planar heat tube collector tube of the present invention revolves the unitary side cutaway view that turn 90 degrees.
Fig. 1,3,4 forms second embodiment of the invention;
Fig. 1 is the unitary side cutaway view of second embodiment of a kind of all-glass evacuated rectangular planar heat tube collector tube of the present invention;
Fig. 3 is the sectional elevation of Fig. 1;
Fig. 4 is that second embodiment of a kind of all-glass evacuated rectangular planar heat tube collector tube of the present invention revolves the unitary side cutaway view that turn 90 degrees.
Fig. 5,6 forms third embodiment of the invention;
Fig. 5 is the unitary side cutaway view of the 3rd embodiment of a kind of all-glass evacuated rectangular planar heat tube collector tube of the present invention;
Fig. 6 is the sectional elevation of Fig. 5.
Fig. 5,7 forms four embodiment of the invention;
Fig. 5 is the unitary side cutaway view of the 4th embodiment of a kind of all-glass evacuated rectangular planar heat tube collector tube of the present invention;
Fig. 7 is the sectional elevation of Fig. 5.
Fig. 8,9 forms fifth embodiment of the invention;
Fig. 8 is the unitary side cutaway view of the 5th embodiment of a kind of all-glass evacuated rectangular planar heat tube collector tube of the present invention;
Fig. 9 is the sectional elevation of Fig. 8.
Figure 10,11 forms sixth embodiment of the invention;
Figure 10 is the unitary side cutaway view of the 6th embodiment of a kind of all-glass evacuated rectangular planar heat tube collector tube of the present invention;
Figure 11 is the sectional elevation of Figure 10.
Figure 12,13 forms seventh embodiment of the invention;
Figure 12 is the unitary side cutaway view of the 7th embodiment of a kind of all-glass evacuated rectangular planar heat tube collector tube of the present invention;
Figure 13 is the sectional elevation of Figure 12.
Among the figure: 1 rectangle plane heat collecting glass tube, 2 cover glass pipes, 3 rectangle plane glass tubes, 4 vacuum heat-preserving interlayers, 5 rectangle plane glass tube end sockets, 6 getters, 7 exhaust nozzles, 8 support bullet card, 9 absorption films, 10 heat pipe liquid injecting mouths, 11 heat pipe condensation ends, 12 phase-change liquids, 13 Fresnel Lenses, 14 low tail consumption tube heads, 15 convex lens, 16 mirror surfaces.
The specific embodiment
Like Fig. 1, Fig. 2, shown in Figure 4: a kind of all-glass evacuated rectangular planar heat tube collector tube is made up of rectangle plane heat collecting glass tube 1, cover glass pipe 2, rectangle plane glass tube 3, absorption film 9, exhaust nozzle 7 and getter 6.One side of rectangle plane glass tube 3 outer wall surface is coated with absorption film 9, and the rectangle plane heat collecting glass tube 1 with rectangle plane glass tube 3 concentrics is processed through sealing by fusing in the termination of rectangle plane glass tube 3 and cover glass pipe 2.Interlayer through exhaust nozzle 7 external cover glass tubes 2 and rectangle plane glass tube 3 vacuumizes formation vacuum heat-preserving interlayer 4, and getter 6 is installed in vacuum heat-preserving interlayer 4.
Like Fig. 1,3, shown in 4: on the tube wall of cover glass pipe 2, be provided with a pair of Fresnel Lenses 13, other is equal to Fig. 1, Fig. 2, Fig. 4.
Like Fig. 5, shown in 6: on the tube wall of cover glass pipe 2, be provided with two pairs of Fresnel Lenses 13, the both sides of rectangle plane glass tube 3 outer wall surface are coated with absorption film 9, and other is equal to Fig. 1, Fig. 2, Fig. 4.
Like Fig. 5, shown in 7: on the tube wall of cover glass pipe 2, be provided with two pairs of convex lens 15, the both sides of rectangle plane glass tube 3 outer wall surface are coated with absorption film 9, and other is equal to Fig. 1, Fig. 2, Fig. 4.
Like Fig. 8, shown in 9: a side of rectangle plane glass tube 3 outer wall surface is coated with absorption film 9, is coated with mirror surface 16 on the opposite side, and heat pipe condensation end 11 is a bushing type.Other is equal to Fig. 1, Fig. 2, Fig. 4.
Like Figure 10, shown in 11: on the tube wall of cover glass pipe 2, be provided with a pair of Fresnel Lenses 13, be coated with mirror surface 16 on the inner tubal wall of cover glass pipe 2, other is equal to Fig. 1, Fig. 2, Fig. 4.
Like Figure 12, shown in 13: on the outer tube wall of cover glass pipe 2, be provided with a pair of convex lens 15, be coated with mirror surface 16 on the outer tube wall of cover glass pipe 2, other is equal to Fig. 1, Fig. 2, Fig. 4.
Claims (10)
1. all-glass evacuated rectangular planar heat tube collector tube; Comprise the cover glass pipe, support bullet card, getter, exhaust nozzle, rectangle plane evaporator section glass tube, condensation segment glass tube, phase-change heat transfer medium, phase-change heat transfer medium filling nozzle; It is characterized in that: the parent tube of the rectangle plane evaporator section glass tube of all-glass evacuated rectangular planar heat tube collector tube is the glass rectangular tube; The glass round tube head that is processed into sufficient length is moulded in the heating of glass rectangular tube one end tube head, to glass round tube flush, a burning mouth; The glass round tube head expands to become and glass rectangular tube concentric, isodiametric glass round tube head; Glass rectangular tube one end tube head accent is round, flush, the burning mouth; The clinkering of glass rectangular tube other end tube head glass is sealed and is processed the glass rectangular tube, or the heating earlier of glass rectangular tube other end tube head moulds processing and expand to become and glass rectangular tube concentric, isodiametric glass round tube head, and the glass round tube head is sealed in the glass clinkering; With being processed into installation and the identical heat conducting film of glass inner tube wall in the ground glass rectangular tube; On the plane outer wall surface of rectangle plane evaporator section glass tube, a side is half the longitudinally, the compound heat absorption rete in one or both sides, processes rectangle plane evaporator section glass tube; Burning that cover glass Guan Yiduan tube head is flush mouth; The clinkering of cover glass pipe other end tube head glass is sealed, on the glass tube head that seals, and glass welding exhaust nozzle tail pipe; The support bullet card that has getter is installed in the cover glass pipe; Then rectangle plane evaporator section glass tube is sleeved in the cover glass pipe, the cover glass mouth of pipe and rectangle plane evaporator section glass tube walls ring glass welding sealing by fusing form the outer condensation segment glass tube that sufficient length is arranged of glass welding sealing by fusing ring; After the outer glass pipe interlayer vacuumizes in the all-glass evacuated rectangular planar heat tube collector tube; The glass sealing exhaust nozzle; The evaporation getter; Melting welding connects phase-change heat transfer medium filling nozzle on the condensation segment glass tube, and behind the filled phase-change heat transfer medium of phase-change heat transfer medium filling nozzle, the glass tube that sealing phase-change heat transfer medium filling nozzle is processed in the outer glass enclosure tube is that evaporator section glass tube, the outer glass tube of outer glass enclosure tube are the all-glass evacuated rectangular planar heat tube collector tube of condensation segment glass tube.
2. a kind of all-glass evacuated rectangular planar heat tube collector tube according to claim 1; It is characterized in that: heat conducting film is first heating, drying; Can form the flowing material of firm carburization zone after the back destructive distillation, inject in the rectangle plane evaporator section glass tube rotation heating, drying; The film of tube wall is close in formation, after firm carbonization rete is processed in destructive distillation.
3. a kind of all-glass evacuated rectangular planar heat tube collector tube according to claim 1; It is characterized in that: the glass rectangular tube glass clinkering of rectangle plane evaporator section glass tube is sealed on the glass tube end socket of formation; The connection of suit symmetry is compounded with the short glass tube end socket of transition that formation is sealed in the clinkering of pipe glass, makes glass rectangular tube end socket one end become the pipe head.
4. a kind of all-glass evacuated rectangular planar heat tube collector tube according to claim 1; It is characterized in that: the concentricity glass ring-shaped sealing by fusing welding in end socket surface of the glass round tube head that the glass rectangular tube of rectangle plane evaporator section glass tube and end burning mouth, the clinkering of other end glass are sealed, process the rectangle plane evaporator section glass tube that tail end has one section blank pipe head.
5. a kind of all-glass evacuated rectangular planar heat tube collector tube according to claim 1 is characterized in that: the heating of glass rectangle tube head is moulded processing and is expanded into and glass rectangular tube concentric, isodiametric glass round tube head, flush, burning mouth; With glass rectangular tube concentric, equal diameter, an end glass tube clinkering is sealed, and the other end burns glass round tube sealing-in mouth one end of mouth, and the rectangle plane evaporator section glass tube that tail end has one section blank pipe head is processed in the glass ring-shaped welding.
6. a kind of all-glass evacuated rectangular planar heat tube collector tube according to claim 1 is characterized in that: the inner surface of glass rectangular tube plane tube wall is inwardly protruded cambered surface.
7. a kind of all-glass evacuated rectangular planar heat tube collector tube according to claim 1 is characterized in that: the rectangle plane evaporator section glass tube surface of all-glass evacuated rectangular planar heat tube collector tube is through the chemical attack emulsification treatment; The cover glass pipe of all-glass evacuated rectangular planar heat tube collector tube is a ultrawhite low-reflection glass pipe.
8. a kind of all-glass evacuated rectangular planar heat tube collector tube according to claim 1 is characterized in that: a wherein end end socket of all-glass evacuated rectangular planar heat tube collector tube two end sockets is provided with pressure limiting glass end socket, and pressure limiting glass end socket is the plane; The condensation segment glass tube of all-glass evacuated rectangular planar heat tube collector tube is made up of a condensation cavity at least, forms big cryosurface; The all-glass evacuated rectangular planar heat tube collector tube condensation segment is at least two concentric suits of tube chamber, and it is the closed cavity of concentric ring that the termination is welded to each other the composition cross section; Or the all-glass evacuated rectangular planar heat tube collector tube condensation segment be the tube chamber welded and installed of at least two one ends sealing on a tube chamber, form with one and manage at least two condensation tube chambers that are connected; Body or all-glass evacuated rectangular planar heat tube collector tube condensation segment be at least one inverted U-shaped tube chamber welded and installed on same tube chamber, form with one and manage at least two condenser pipe cavitys that are connected; Or the all-glass evacuated rectangular planar heat tube collector tube condensation segment is that the cross section comprises two petal chambeies at least, is connected along slipping over to cross with a tube chamber, forms the cross section and comprises two petal chambeies at least and manage a plurality of condenser pipe cavitys that are connected with one; The condensation segment glass tube of all-glass evacuated rectangular planar heat tube collector tube is connected transition position with the evaporator section glass tube and is provided with the throttling heat exchanger; The throttling heat exchanger is shaped as the sealing of condensation segment one side pipe head, glass tube or identical shaped earthenware or identical shaped metal tube that the evaporator section tube head opens wide; On the inner glass wall of all-glass evacuated rectangular planar heat tube collector tube condensation segment or be provided with conductive film layer, conductive film layer is connected with the glass sealing electrode electricity, and the glass sealing electrode is connected with the negative electricity of dc source, and the positive pole of dc source is electrically connected with the earth; The termination of all-glass evacuated rectangular planar heat tube collector tube condensation segment glass tube is provided with sucker.
9. a kind of all-glass evacuated rectangular planar heat tube collector tube according to claim 1; It is characterized in that: on the inside and outside surface of cover glass pipe of all-glass evacuated rectangular planar heat tube collector tube, vertically be compounded with the reflective mirror that is less than or equal to cover glass pipe one semicanal face; Or on the outer surface of a side pipe wall of rectangle plane evaporator section glass tube, vertically be compounded with reflective mirror; Or on the inside and outside surface of cover glass pipe of all-glass evacuated rectangular planar heat tube collector tube; Vertically be compounded with the reflective mirror that is less than or equal to cover glass pipe one semicanal face; On the outer surface of one side pipe wall of rectangle plane evaporator section glass tube, also vertically be compounded with reflective mirror.
10. a kind of all-glass evacuated rectangular planar heat tube collector tube according to claim 1; It is characterized in that: the tube wall of all-glass evacuated rectangular planar heat tube collector tube cover glass pipe is provided with Fresnel Lenses or convex lens, and strip Fresnel Lenses or convex lens vertically are located between cover glass pipe diameter and the string parallel with diameter on the cover glass pipe circular arc tube wall of cover glass pipe both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103019057A CN101598448B (en) | 2008-06-02 | 2008-06-02 | All-glass evacuated rectangular planar heat tube collector tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103019057A CN101598448B (en) | 2008-06-02 | 2008-06-02 | All-glass evacuated rectangular planar heat tube collector tube |
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| CN101598448A CN101598448A (en) | 2009-12-09 |
| CN101598448B true CN101598448B (en) | 2012-11-14 |
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| CN2008103019057A Expired - Fee Related CN101598448B (en) | 2008-06-02 | 2008-06-02 | All-glass evacuated rectangular planar heat tube collector tube |
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2008
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| CN1376887A (en) * | 2001-03-23 | 2002-10-30 | 千院基 | Heat expansion absorber for solar heat collector with double glass vacuum tubes |
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Owner name: ZIBO HUANNENG HIKEEN ENVIRONMENTAL PROTECTION TECH Free format text: FORMER OWNER: BEIJING HIKEEN TECHNOLOGY CO., LTD. Effective date: 20121016 |
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