CN100464132C - One-way and two way anti-scaling solar vacuum heat collecting tube structure and producing method - Google Patents
One-way and two way anti-scaling solar vacuum heat collecting tube structure and producing method Download PDFInfo
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- CN100464132C CN100464132C CNB02160357XA CN02160357A CN100464132C CN 100464132 C CN100464132 C CN 100464132C CN B02160357X A CNB02160357X A CN B02160357XA CN 02160357 A CN02160357 A CN 02160357A CN 100464132 C CN100464132 C CN 100464132C
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- glass
- sealing
- tube
- electrode
- pipe
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/40—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
- F24S10/45—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors the enclosure being cylindrical
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- 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
Abstract
The one-way or two-way electrostatically antiscale vacuum solar heat collecting tube has one-way vacuum solar heat collecting tube made through conventional steps or two-way corrugated vacuum solar heat collecting tube. The making process of the vacuum solar heat collecting tube includes the steps of making glass sealed electrode, making telescopic glass tube, welding glass, annealing, deairing, etc. The glass sealed electrode is made through either heating and extruding while introducing protective gas or sintering glass bead onto metal wire and secondary smelting to seal in exhausted pipe. The vacuum heat collecting tube has exhaust tail pipe and electrode welded. The two-way corrugated vacuum heat collecting tube has inner tube and corrugated tube. The electrode has one end connected electrically to the heat absorbing film and the other end led out and is provided with electrode protecting sleeve and electrode connector.
Description
Technical field
The present invention relates to a kind of preparation method of static good antiscale property solar vacuum heat-collecting pipe, belong to the Application of Solar Energy field.
Background technology
At present, vacuum heat collection pipe is the outer tube that is coated with the interior pipe of light absorping film one end closure and a transparent end closure is equipped with the band getter by the bottom a stainless steel holder card, concentric is arranged, be sleeved on together, the openend of two pipes welds together by glass work lathe, forms an end and fixes, and the other end is free-ended sleeve pipe, by glass sealing after the exhaust tube exhaust of being located at afterbody, finally form the glass heat-collecting vacuum tube of an end opening; Or vacuum heat collection pipe is to be coated with the interior pipe of light absorping film and transparent outer coaxial tube heart layout, be sleeved on together and weld together by the glass work lathe sealing two ends, be installed on the blast pipe platform of bleeding, heat, vacuumize, after reaching technological requirement vacuum, the sealing-in exhaust pipe is realized the vacuum heat collection pipe leave from office, finally forms glass heat-collecting vacuum tube.More than serious scale formation is arranged on the heat delivery surface that vacuum heat collection pipe all exists with water contacts of the vacuum heat collection pipe of a known end opening and both ends open, this phenomenon has seriously influenced the thermal efficiency of all-glass vacuum thermal-collecting tube.
Summary of the invention
The preparation method that the purpose of this invention is to provide static good antiscale property solar vacuum heat-collecting pipe by this production method, is produced an end opening of good antiscale property and the electrostatic anti-scaling solar vacuum heat-collecting pipe of both ends open.
The object of the present invention is achieved like this: a kind of preparation method of static good antiscale property solar vacuum heat-collecting pipe comprises that, inner and outer pipes flush to glass hollow billet inner and outer pipe heating draws end socket, makes the ripple expansion ring, takes off fire, outer tube welding tailpipe and conductive electrode, cleaning, oven dry, interior pipe plated film, glass spring card, inner and outer pipes suit, the glass work lathe sealing-in mouth of pipe are installed, are gone up technologies such as exhaust station exhaust sealing-in, roasting nitre.Comprised the making of glass head seal conductive electrode in the manufacturing process of vacuum heat collection pipe; glass tube ripple expansion ring is made; the glass sealing electrode is installed in glass head seal conductive electrode welded and installed technology or the tailpipe; exhaust; the secondary process for sealing reaches and takes off ignition technique, conductive electrode protection device for installing and power connector accordingly.Wherein, the making of glass head seal electrode be with the conductive material sealing by fusing in glass; one end of conductive material is connected with the heat absorption thin-film electro; the other end is drawn; constitute electrode; and constitute the protective sleeve and the power connector of glass head seal conductive electrode by the electrode protecting device of installing, its manufacture method mainly comprises following processing step:
A, make the glass sealing conductive electrode by glass head seal technology.
On B, the full glass outer tube, glass welds conductive electrode and tailpipe, and connecting portion is taken off the fire processing.
C, make all-glass vacuum thermal-collecting tube or, make the ripple expansion ring vacuum heat collection pipe of both ends open by glass tube ripple expansion ring manufacture craft according to conventional steps.
D, the blast pipe of all-glass vacuum thermal-collecting tube is connected on the movable vacuum exhaust station of heater, thermal-collecting tube is carried out thermal exhaust, reach required vacuum after, the sealing-in exhaust tail pipe is left office.
E, the glass head seal electrode is contained in thermal-collecting tube in the glass exhaust tube, vacuumizes back sealing-in exhaust tail pipe and leave office, carry out the secondary sealing-in of tailpipe again, and fire is taken off at the sealing-in position handle.
F, the all-glass vacuum thermal-collecting tube getter is carried out the roasting nitre of high frequency handle.
G, installation conductive electrode protection block and conductive electrode connector.
Make the glass sealing conductive electrode by glass head seal technology:
First method is to pass through heating and to feed protective gas as glass for sealing pipe and conductor material; heat glass melting with the glass tube applying argon gas identical with the glass outer pipe shell material; by the glass tube extruding of metal die, the metallic conductor press seal is connected among the canals of stilling fusing.Wherein glass is encapsulated in the wire that wire in the glass should have certain penalized characteristic or approach the glass swelling characteristic, as molybdenum sheet, molybdenum filament; Before glass and wire extruding sealing by fusing, should can penalize assembly to carry out preliminary treatment in wire or metal.
For example, have on the molybdenum sheet of certain penalized characteristic the welding molybdenum rod and be wound with the wire or the sheet metal of spring, be used for the glass tube of sealing-in, wire or sheet metal, molybdenum sheet, molybdenum rod are being press-sealed in the glass plate with mould by heating.
As select tungsten filament, tungsten sheet for use, and molybdenum filament, molybdenum sheet, nickel wire, nickel sheet etc. should carry out its surface cleaning earlier, as technologies such as washing, polishings.Sealing-in uses silk or its edge, cross section of sheet of metal that cutting edge should be arranged.
Second method is to pass through heat fused as glass for sealing pipe and conductor material, glass and Metal Melting are connected together.Wherein glass seals the wire that the wire that is fused in the glass should have certain penalized characteristic or approach the glass swelling characteristic, and before glass and wire sealing by fusing, reply wire or metal can penalize assembly to carry out preliminary treatment.
After for example tungsten filament being handled well, the need and the metal segments of glass head seal are burnt through flame earlier, make it form layer oxide film from the teeth outwards, to be cut into certain size then and have certain thickness glass pipeline section to be inserted on the metal tungsten wire, place the tungsten filament place of burning oxidation, the glass pipeline section is melted fully, fuse into one with tungsten filament, in the process of sealing by fusing, should constantly rotate tungsten filament, make evenly good formation of bead.Sealing by fusing has the bead of metal tungsten wire, the color of the metal tungsten wire in it, so that uniform golden yellow, coppery or brick-red for good to be arranged, should not have bubble in the bead or micro bubble is arranged, after the bead moulding, must flatten processing, increase its trans D and area to form certain thickness by frock, bead after the flattening should take off fire to be handled, so that himself stress is eliminated.In order to make itself and glass tube conduction heat absorption film that bigger contact area be arranged, can turn to coil spring shape at an end of tungsten filament or make the tungsten filament front end that bigger S shape bending section be arranged, well be connected with the elasticity of glass inner tube conductive film with realization.Tungsten filament can be connected with elastic metallic carriage good electrical.
It is to weld molybdenum rod on the metal molybdenum sheet and be wound with the wire or the sheet metal of spring that metal in the conductive electrode can be penalized assembly, as selects tungsten filament, tungsten sheet for use, molybdenum filament, molybdenum sheet, nickel wire, nickel sheet etc.Logical protection gas is used in sealing-in, and should there be cutting edge at its edge, cross section of the wire of mould press-sealing process or sheet.Realize that by the burn-back bead cross section of the wire of sealing by fusing technology or sheet metal then need not pair cross-section specific (special) requirements is arranged.
As employed be bead sealing-in electrode, the bead that needs to be sealed with metal tungsten wire places in the glass tailpipe that draws cucurbit shape linkage section, and its glass is welded on the thermal-collecting tube outer wall.This pipe can be used as tailpipe simultaneously.Need this tailpipe and heat collecting glass tube junction are carried out good fiery processing of taking off.
Glass sealing wire or sheet metal can be with a kind of metal, as tungsten, or different metal combination, as tungsten, metal combinations such as molybdenum, the sealing-in metal of making is an assembly, linkage section is arranged, the glass sealing section, the snap section, compositions such as spring linkage section, wherein the snap section is for the ease of the metallic conductor with metal sealing sheet or bead sealing-in, be installed in the glass tube that needs the processing sealing-in so that fixing, if employed glass sealing electrode is the press seal structure, envelope can there be the glass tube of metal electrode to be directly welded on the vacuum heat collection pipe, and make its elasticity connect lead, and well contact with conductive film, on thermal-collecting tube, weld tailpipe in addition, and thermal-collecting tube is connected with the interface of glass sealing electrode and tailpipe, take off fire well and handle.
The vacuum heat collection pipe that will have tailpipe is welded on the exhaust station glass exhaust tube and vacuumizes, after the vacuum that reaches technological requirement, to descend restriction to seal earlier, the sealing of realization extract system and vacuum heat collection pipe exhaust tube is peeled off, pipe is unloaded, then restriction on the blast pipe is carried out sealing-in, draw conductive connecting line, wherein, should will need the sealing-in position to preheat earlier during the secondary sealing-in, sealing-in point be in the back of glass head seal electrode glass pearl, in the glass tight bond that makes fusing under the atmospheric effect on limited bead or sheet glass, with its clinkering be one, and then use the thermal-flame sealing by fusing, take off fire again and handle.Behind the sealing by fusing; the former glass tail pipe that is placed on the wire takes off; the metal electrode extension separates with glass; realized that the convenient of glass sealing and metal extraction electrode separates, and takes off fire with the glass-to-metal sealing electrode, installing electrodes protection ring, protective cap; by being connected and installed technology; insulating mounting is drawn metallic conductor and is manufactured with corresponding connection electrode and is electrically connected connector on glass tube, makes its insulation, firm, attractive in appearance.
Elasticity encapsulation ring seat can be fixed on the glass tube by the die casting once-forming, also can earlier the elasticity encapsulation ring seat that has cavity be set in the glass envelope and draw on the plain conductor, solidifies by injecting glue secondary bonding, is bonded on the glass tube.Require elastic insulated encapsulating material, have intensity height, insulation, ageing-resistant, certain elasticity, characteristics such as indeformable, attractive in appearance are arranged.Glass sealing conductive electrode glass is welded on the vacuum heat-collecting tube glass outer tube wall, inner glass tube is earlier through heating and by roller die or the scalable ripple of blow pressure Mold Making, and placement positioning card on inner pipe, glass inner tube is set among the outer tube, to inside and outside two glass tube heads successively glass solder seal mouth, last exhaust station vacuumizes, and the sealing-in exhaust pipe is handled the roasting nitre of all-glass vacuum thermal-collecting tube.
Description of drawings
Elaborate below in conjunction with drawings and Examples:
Fig. 1 is a kind of whole cross section view of good antiscale property shell all-glass vacuum thermal-collecting tube;
Fig. 2 is the cross section view of a kind of good antiscale property shell all-glass vacuum thermal-collecting tube and tailpipe, glass sealing electrode welding portion;
Fig. 3 adds the cross section view of hot extrusion glass sealing molybdenum sheet glass electrode for logical protective gas;
Fig. 4 is the structural representation of molybdenum rod molybdenum sheet metal spring silk electrode electrically connected assembly.
Fig. 1, Fig. 2, Fig. 3, Fig. 4 are same embodiment.
Fig. 5 is a kind of whole cross section view of good antiscale property shell all-glass vacuum thermal-collecting tube;
Fig. 6 is that a kind of good antiscale property shell all-glass vacuum thermal-collecting tube needs the glass weldering of secondary sealing-in to be connected cross section view with the built-in spring metal tungsten wire burning bead glass sealing electrode with lock of tailpipe;
Fig. 7 is the cross section view that the built-in spring metal tungsten wire with lock of tailpipe is burnt bead glass sealing electrode;
Fig. 8 is the structural representation of the metal tungsten wire spring wire electrode electrically connected assembly of spring with lock.
Fig. 5, Fig. 6, Fig. 7, Fig. 8 are same embodiment.
Fig. 9 is the whole cross section view of the ripple vacuum heat collection pipe of the full glass both ends open of a kind of good antiscale property shell;
Figure 10 is the ripple vacuum heat collection pipe of the full glass both ends open of a kind of good antiscale property shell and the cross section view of glass sealing electrode glass welding portion;
Figure 11 burns bead glass sealing electrode cross section view for tungsten filament;
Figure 12 is the structural representation of metal tungsten wire spring wire electrode electrically connected assembly.
Fig. 9, Figure 10, Figure 11, Figure 12 are same embodiment.
Figure 13 is the whole cross section view of the ripple vacuum heat collection pipe of the full glass both ends open of a kind of good antiscale property shell;
Figure 14 is the ripple vacuum heat collection pipe of the full glass both ends open of a kind of good antiscale property shell and the cross section view of glass sealing electrode glass welding portion;
Figure 15 burns bead glass sealing electrode cross section view for tungsten filament;
Figure 16 is the structural representation of metal tungsten wire reed electrode electrically connected assembly.
Figure 13, Figure 14, Figure 14, Figure 16 are same embodiment.
Among the figure: 1 vacuum heat collection pipe outer glass pipe; 2 vacuum heat collection pipe absorption films; 3 vacuum heat collection pipe inner glass tubes; 4 glass tube guard circle caps; 5 fluid sealant mixture; 6 conductive films are electrically connected spring; 7 metal molybdenum sheets; 8 glass-encapsulated are drawn lead; 9 Electrode connector contacts; 10 Electrode connectors; 11 Electrode connector insulated receptacle; 12 insulating spacers; 13 medal spring clamping stents; 14 heat-collecting pipe vacuum chambeies; 15 vacuum heat-collecting tube chambers; the 16 vacuum heat collection pipe mouths of pipe; 17 tailpipes and full glass housing glass welding position; 18 tailpipes; 19 glass sealing electrodes and glass housing welding position; 20 sealing-in assembly snap tie points; 21 metal snaps; 22 glass sealing electrode sealing surfaces; 23 molybdenum sheets and conductive wire pad; 24 molybdenum rods; 25 burn bead glass sealing tungsten filament; 26 tungsten filaments burn bead glass sealing face; 27 secondary glass sealing-in throttle pipes; 28 glass sealing throttle pipes; 29 tailpipes; 30 exhaust tail tube chambers; 31 tungsten bars; 32 glass sealing electrode glass sealing surfaces; 33 buffering glass ripples; 34 seal retainers
The specific embodiment
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4: carry out flush to vacuum heat collection pipe outer glass pipe 1 and vacuum heat collection pipe inner glass tube 3, the glass tube of an end opening, end sealing is processed into vacuum heat collection pipe outer glass pipe 1 in plating vacuum heat collection pipe absorption film 2 backs on vacuum heat collection pipe inner glass tube 3, medal spring clamping stent 13 is installed in the interlayer of blind end, the interlayer of vacuum heat collection pipe outer glass pipe 1 and vacuum heat collection pipe inner glass tube 3 is vacuumized form heat-collecting pipe vacuum chamber 14.
Conductive film electrical connection spring 6, metal molybdenum sheet 7, glass-encapsulated are drawn lead 8, Electrode connector contact 9 and Electrode connector 10 and are formed conductive materials; the end that conductive film is electrically connected spring 6 is electrically connected with vacuum heat collection pipe absorption film 2; the other end is drawn lead 8, Electrode connector contact 9 and Electrode connector 10 by glass-encapsulated and is drawn; constitute electrode; installing electrodes connector insulated receptacle 11 and insulating spacer 12 constitute electrode protecting device.The blind end of glass-vacuum tube is bonded with glass tube guard circle cap 4 by fluid sealant mixture 5.Conductive film is electrically connected spring 6 and molybdenum rod 24 is to be shaped by molybdenum sheet and 23 sealing-ins of conductive wire pad.
Be electrically connected spring 6 having on the metal molybdenum sheet 7 of certain penalized characteristic welding molybdenum rod 24 and be wound with conductive film, be used for the glass tube of sealing-in, metal molybdenum sheet 7, molybdenum rod 24 are press-sealed in the glass plate with mould by heating.
As Fig. 5, Fig. 6, Fig. 7, shown in Figure 8: conductive material is that conductive film is electrically connected spring 6, burns bead glass sealing tungsten filament 25, glass-encapsulated is drawn lead 8, Electrode connector contact 9 and Electrode connector 10 are formed, and the outer casing shell pipe of conductive material carries out secondary sealing-in moulding by secondary glass sealing-in throttle pipe 27 and a glass sealing throttle pipe 28 with tailpipe 29.Other is equal to Fig. 1, Fig. 2, Fig. 3, Fig. 4.
As Fig. 9, Figure 10, Figure 11, shown in Figure 12: evacuated solar collecting tube is the glass tube that vacuum heat collection pipe inner glass tube 3 and vacuum heat collection pipe outer glass pipe 1 are processed into both ends open, vacuum heat collection pipe inner glass tube 3 is provided with buffering glass ripple 33, and other is equal to Fig. 1, Fig. 2, Fig. 3, Fig. 4.
As Figure 13, Figure 14, Figure 14, shown in Figure 16: evacuated solar collecting tube is the glass tube that vacuum heat collection pipe inner glass tube 3 and vacuum heat collection pipe outer glass pipe 1 are processed into both ends open, vacuum heat collection pipe inner glass tube 3 is provided with buffering glass ripple 33, and other is equal to Fig. 5, Fig. 6, Fig. 7, Fig. 8.
Claims (8)
1. the preparation method of static good antiscale property solar vacuum heat-collecting pipe, comprise glass hollow billet inner and outer pipes flush, the inner and outer pipes heating draws end socket, make the ripple expansion ring, take off fire, outer tube welding tailpipe and conductive electrode, clean, oven dry, interior pipe plated film, the glass spring card is installed, the inner and outer pipes suit, the glass work lathe sealing-in mouth of pipe, last exhaust station exhaust sealing-in, roasting nitre technology, it is characterized in that: also comprised the making of glass head seal conductive electrode, glass tube ripple expansion ring is made, the glass sealing electrode process is installed in glass head seal conductive electrode welded and installed technology or the tailpipe, exhaust, the secondary process for sealing reaches and takes off ignition technique accordingly, and conductive electrode protection device for installing and power connector are installed; Wherein, the making of glass head seal electrode be with the conductive material sealing by fusing in glass; one end of conductive material is connected with the heat absorption thin-film electro; the other end is drawn the formation electrode; and constitute the protective sleeve and the power connector of glass head seal conductive electrode by the electrode protecting device of installing, the manufacture method of static good antiscale property solar vacuum heat-collecting pipe mainly comprises following processing step:
A, make the glass sealing conductive electrode by glass head seal technology;
B, full glass outer tube upper glass weld conductive electrode and tailpipe, and connecting portion is taken off the fire processing;
C, make the all-glass vacuum thermal-collecting tube of an end opening or make, make the ripple expansion ring vacuum heat collection pipe of both ends open by glass tube ripple expansion ring according to conventional steps;
D, the blast pipe of all-glass vacuum thermal-collecting tube is connected on the movable vacuum exhaust station of heater, thermal-collecting tube is carried out thermal exhaust, reach required vacuum after, the sealing-in exhaust tail pipe is left office;
E, for the thermal-collecting tube that the glass sealing electrode is installed in the glass tail pipe, vacuumize back sealing-in exhaust tail pipe and leave office, carry out the secondary sealing-in of tailpipe again, and fire is taken off at the sealing-in position handle;
F, the getter of all-glass vacuum thermal-collecting tube is carried out the roasting nitre of high frequency handle;
G, installation conductive electrode protection block and conductive electrode connector.
2. the preparation method of static good antiscale property solar vacuum heat-collecting pipe according to claim 1, it is characterized in that: the glass sealing conductive electrode will pass through heating and feed protective gas as glass for sealing pipe and wire, heat glass melting with the glass tube applying argon gas identical with the glass outer pipe shell material, by the glass tube extruding of metal die with fusing, wire is extruded sealing by fusing among vitreum, and the coefficient of expansion wiry that wherein is packaged in the glass is to approach glass swelling coefficient, resistant to elevated temperatures wire; Before glass and wire extruding sealing by fusing, wire is anticipated.
3. the preparation method of static good antiscale property solar vacuum heat-collecting pipe according to claim 2 is characterized in that: described wire is a molybdenum filament.
4. the preparation method of static good antiscale property solar vacuum heat-collecting pipe according to claim 1, it is characterized in that: on metal material, burn bead, the metal material that burning bead sealing by fusing is used is a tungsten filament, glass for sealing pipe and tungsten filament are welded together glass and metal by heat fused by burning bead; And take off the fire processing, before glass and tungsten filament sealing by fusing, tungsten filament is carried out preliminary treatment.
5. the preparation method of static good antiscale property solar vacuum heat-collecting pipe according to claim 1, it is characterized in that: the metal in the conductive electrode is a tungsten filament, after handling well, the need and the metal segments of glass head seal are burnt through flame earlier, make it form layer oxide film from the teeth outwards, to be cut into certain size then and have certain thickness glass pipeline section to be inserted on the tungsten filament, place the tungsten filament place of burning oxidation, the glass pipeline section is melted fully, fuse into one with tungsten filament, in the process of sealing by fusing, constantly rotate tungsten filament, make evenly good formation of bead; Sealing by fusing has the bead of tungsten filament, the color of the tungsten filament in it is golden yellow uniformly, coppery or brick-red, must flatten processing by frock after the bead moulding, to form certain thickness, increase its trans D and area, bead after the flattening takes off fire to be handled, and turns to coil spring shape or makes the tungsten filament front end that bigger S shape bending section be arranged at an end of tungsten filament, and tungsten filament is connected with elastic metallic carriage good electrical.
6. the preparation method of static good antiscale property solar vacuum heat-collecting pipe according to claim 1, it is characterized in that: when using bead sealing-in electrode, the bead of tungsten filament will be sealed with, be placed in the glass tailpipe that draws cucurbit shape linkage section, and bead is welded on the thermal-collecting tube outer wall, this pipe takes off the fire processing simultaneously as tailpipe to tailpipe and heat collecting glass tube junction.
7. the preparation method of static good antiscale property solar vacuum heat-collecting pipe according to claim 1, it is characterized in that: elasticity encapsulation ring seat is by the injection moulding once-forming, be fixed on the glass tube of packaged glass electrode, or the elasticity encapsulation ring seat that will have cavity earlier is set on the conductive electrode, solidify by the injecting glue bonding, be bonded on the glass tube of packaged glass electrode.
8. the preparation method of static good antiscale property solar vacuum heat-collecting pipe according to claim 1, it is characterized in that: glass sealing conductive electrode glass is welded on the vacuum heat-collecting tube glass outer tube wall, inner glass tube is earlier through heating and by roller die or the scalable ripple of blow pressure Mold Making, and placement positioning card on inner pipe, glass inner tube is set among the outer tube, to inside and outside two glass tube heads successively glass solder seal mouth, last exhaust station vacuumizes, the sealing-in exhaust pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB02160357XA CN100464132C (en) | 2002-12-28 | 2002-12-28 | One-way and two way anti-scaling solar vacuum heat collecting tube structure and producing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB02160357XA CN100464132C (en) | 2002-12-28 | 2002-12-28 | One-way and two way anti-scaling solar vacuum heat collecting tube structure and producing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1512120A CN1512120A (en) | 2004-07-14 |
| CN100464132C true CN100464132C (en) | 2009-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB02160357XA Expired - Fee Related CN100464132C (en) | 2002-12-28 | 2002-12-28 | One-way and two way anti-scaling solar vacuum heat collecting tube structure and producing method |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100462646C (en) * | 2007-03-15 | 2009-02-18 | 王伟强 | Series solar energy vacuum heat accumulating tube |
| CN101824604A (en) * | 2010-06-12 | 2010-09-08 | 皇明太阳能股份有限公司 | Continuous film coating device and film coating process thereof for inner wall of outer glass tube of solar heat collecting tube |
| CN103115448B (en) * | 2013-03-07 | 2015-07-08 | 日出东方太阳能股份有限公司 | Full-glass solar vacuum heat-collecting tube and preparation method thereof |
| CN103470987A (en) * | 2013-09-17 | 2013-12-25 | 深圳市中电照明股份有限公司 | Tubular LED (Light Emitting Diode) lamp |
| CN110470061B (en) * | 2019-08-24 | 2020-10-30 | 德州旭能新能源科技有限公司 | Through type vacuum heat collecting pipe processing technology and inner pipe forming device thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1159553A (en) * | 1995-06-19 | 1997-09-17 | 澳大利亚悉尼大学 | Solar energy selective absorption surface coating |
| CN1188216A (en) * | 1996-07-01 | 1998-07-22 | 李秋儒 | Coating spectral selectivity no-stripping absorption film for solar glass vacuum heat collector |
| CN1266824A (en) * | 2000-03-15 | 2000-09-20 | 张入通 | Glass-metal sealing technology for vacuum heat collecting tube |
| WO2002039005A1 (en) * | 2000-10-18 | 2002-05-16 | Hongchuan Ge | A joint for connecting a metal tube and a glass tube and its use in vacuum heat collecting tube system of solar energy |
-
2002
- 2002-12-28 CN CNB02160357XA patent/CN100464132C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1159553A (en) * | 1995-06-19 | 1997-09-17 | 澳大利亚悉尼大学 | Solar energy selective absorption surface coating |
| CN1188216A (en) * | 1996-07-01 | 1998-07-22 | 李秋儒 | Coating spectral selectivity no-stripping absorption film for solar glass vacuum heat collector |
| CN1266824A (en) * | 2000-03-15 | 2000-09-20 | 张入通 | Glass-metal sealing technology for vacuum heat collecting tube |
| WO2002039005A1 (en) * | 2000-10-18 | 2002-05-16 | Hongchuan Ge | A joint for connecting a metal tube and a glass tube and its use in vacuum heat collecting tube system of solar energy |
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| CN1512120A (en) | 2004-07-14 |
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