CN101832664A - Dish solar coil type vacuum heat collector - Google Patents
Dish solar coil type vacuum heat collector Download PDFInfo
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- CN101832664A CN101832664A CN201010162351A CN201010162351A CN101832664A CN 101832664 A CN101832664 A CN 101832664A CN 201010162351 A CN201010162351 A CN 201010162351A CN 201010162351 A CN201010162351 A CN 201010162351A CN 101832664 A CN101832664 A CN 101832664A
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- heat
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- glass shell
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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
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Abstract
The invention relates to a dish solar coil type vacuum heat collector and a manufacture method thereof, belonging to the technical field of solar heat collection facilities. The dish solar coil type vacuum heat collector adopts the core technology that: metal materials with the thermal expansion ratio similar to that of a glass shell are machined into a flange, a plurality of cycles of round holes are machined on the flange, and the glass shell is in hot melting and riveting with an accessory which has the same materials with the shell by utilizing the round holes; a selective absorption film is plated on the surface of a wave disc which is stamped by a stainless steel; after the wave disc and an alloy flange are welded in an argon arc welding mode and sealed, a space between the glass shell and the wave disc vacuated to put an end to loss of collected heat energy; and a heat exchanger machined by the stainless steel is welded behind the wave disc, molten high temperature medium (a low melting point metal such as aluminum, lead and the like) is loaded in the heat exchanger, and a spring type coil is installed in the high temperature medium to be used as a heat exchange channel and be used for transforming heat of the high temperature medium.
Description
Affiliated technical field
The present invention relates to a kind of disc type solar energy concentrating collector and preparation method thereof, belong to solar energy heating facility technology field.
Background technology
At present, disc type solar energy is used and is in the starting stage, height according to purposes and focus point temperature, collector structure has nothing in common with each other, its objective is that the luminous energy with focusing mirror converts heat energy to greatest extent to, therefore, heat collector must possess basic structures such as insulation construction, photo-thermal conversion coating, heat-exchange device, the quality of each structure has directly determined the height of heat collector conversion ratio.
Summary of the invention
The core technology of dish solar coil type vacuum heat collector of the present invention is: adopted the metal material processing close with glass shell material thermal expansion ratio to become flange, and on flange processing a few holes, garden, utilize the annex hot melt riveted of hole, garden, be beneficial to improve glass shell and alloy flange reliability of operation in the high temperature difference environment glass shell and shell homogeneity.
According to present existing metal material: the thermal expansion ratio of invar alloy and titaniferous quartz glass is approximate, can utilize invar alloy to be processed into flange, and the titaniferous quartz glass is processed into upper glass shell and annex, and the hot melt riveted is integral again; Kovar alloy and high-boron-silicon glass also have akin thermal expansion ratio, can utilize kovar alloy to be processed into flange, high-boron-silicon glass is processed into glass shell and annex, and the hot melt riveted is integral again.
Technical at photo-thermal conversion core component, the present invention has adopted the wave disc structure, wave disc electroplating surface in the stainless steel punching press is selected absorbent films, and the structural principle that utilizes wave disc to absorb thermal expansion metal overcomes the expansion after the interior high-temperature medium of heat exchanger is heated; Wave disc and alloy flange will be evacuated between glass shell and the wave disc after using the argon arc welding welded seal, run off with the heat of stopping to absorb.
On the other hand, the heat exchanger of the present invention's soldering stainless steel processing after wave disc, high-temperature medium (low-melting-point metals such as aluminium or lead) after injecting fusing in the heat exchanger is equipped with the spring-like coil pipe and does the heat exchange runner in high-temperature medium, be used for the heat of high-temperature medium is changed out.
Description of drawings
Accompanying drawing 1 is a dish solar coil type vacuum heat collector profile of the present invention
Accompanying drawing 2 is alloy flange structural representations of the present invention
The specific embodiment
As shown in drawings
1, bleed glass tubule (take out after the system vacuum finishes, hot melt disappear navel) 2, stainless steel casing 3, mineral wool heat-insulation layer 4, alloy flange 5, thermal medium inlet 6, support interface 7, fixed screw 8, thermal medium outlet 9, high-temperature medium inlet 10, lid 11, stainless steel heat exchanger shell 12, stainless steel coil pipe 13, high-temperature medium 14, plated film stainless steel ripple dish 15, glass shell
Embodiment one (accompanying drawing 1):
1, the processing of alloy flange (4): (thickness 0.5-1.6mm) is processed into pattern as shown in Figure 2 with the invar alloy sheet material, and it is air-dry to eliminate internal stress, annealing, surface sand-blasting, cleaning.
2, the processing of plated film stainless steel annular wave disc (14): corrosion resistant plate (material is SUS304,321,316L, thickness 0.5-1.0MM) strikes out as shown in Figure 1 the pattern of (14) and eliminates internal stress, annealing; (wave height: 2.0-20mm, ripple is wide: 2.0-20mm) electroplates and selects absorbing film, as: black titanium, black chromium, black cobalt, alundum (Al etc.
3, the processing of glass shell (15):
The moulding of glass shell: with titaniferous quartz glass (thickness: 3-15mm) after the thermoplastic, put into pre-processed punching block and be pressed into type shape shown in accompanying drawing 1 (1), excise unnecessary edge with Carborundum wheel; Also can adopt the mould mode of inhaling: after compressing around the glass after will softening, in die, bleed.
The moulding of glass shell annex: will contain titanium glass and cut into rectangularly, and be heated to and put into pre-processed punching block behind the soft heat state and make a round.
The welding of invar alloy: after the invar alloy flange (4) that processes put into glass shell (15), put into the glass shell annex again, with fireworks heat welded place, treat that glass shell edge and annex are all behind the soft heat state, in the punching block of whole immigration glass shell moulding, continue the heating annex with fireworks, make the annex welding on alloy flange and glass shell.
The bleed welding of glass tubule (1): after glass shell (15) center of the good alloy flange of welding was with high temperature fireworks heat fused one aperture, the one homogeneity glass tubule of welding while hot used when being used to vacuumize.
4, the processing of stainless steel (spring-like) coil pipe (12): the material of stainless steel tube generally adopts SUS304,321,316L, press the caliber size of the area size design coil pipe of disc type solar energy speculum, press the pipe thickness of coil pipe pressure-bearing size design coil pipe, press the heat collector size design coil pipe size and the number of turns; On rolling machine, be processed into type shape shown in accompanying drawing 1 (12) on request, and at two ends welding internal thread joint.
5, the processing of stainless steel lagging casing (2): adopt stainless steel material to make external form, and with mineral wool filled thermal insulation materials inner chamber; The making of mineral wool heat-insulation layer (3): asbestos and sepiolite pulverize by add again after mixing than row crushed crude pearlite, sodium carbonate, water, etc. mix, natural foaming, air-dry through high temperature again; Integrally welded at last, welding support interface (6) in the above again.
6, the processing of heat exchanger: with the stainless steel coil pipe (12) that processes by being welded on shown in the accompanying drawing 1 on the stainless steel heat exchanger shell (11); And fixed screw (7) is welded on the shell.
7, welding and assembling: with invar alloy flange (4) and plated film stainless steel ripple dish (14), stainless steel heat exchanger shell (11) the soldering and sealing one of the welding on the glass shell (15).
8, the injection of high temperature thermal medium with seal: with low-melting-point metals such as aluminium, lead, antimony, bismuth, alloys,, choose any one kind of them by the requirement of heat collector running environment, after the heat fused, after the filtration, in high-temperature medium inlet (9) injects heat exchanger, fill back cover lid (10).
9, vacuumize and glass head seal: after glass shell is evacuated, eliminate after the glass tubule (1) of bleeding on the glass shell (15) added hot melt.
11, the whole tempering of inner bag, eliminate internal stress: the thermal-arrest inner bag integral body of machine-shaping is put into baking box be heated to about 1100 degrees centigrade, internal stress is eliminated in tempering.
10, general assembly: the inner bag after the tempering is put into stainless steel lagging casing (2), on fixed screw (7), put on nut.
Embodiment two:
Method is the same, only needs change the material of outer tube and annex into high-boron-silicon glass, and change the flange of invar alloy processing into kovar alloy and be processed into flange, the corresponding reduction of temperature, the material technology of other material is constant.
Claims (10)
1. the core technology of dish solar coil type vacuum heat collector of the present invention is: adopted the metal material processing close with glass shell material thermal expansion ratio to become flange, and on flange processing a few holes, garden, utilize the annex hot melt riveted of hole, garden with glass shell and shell homogeneity, be beneficial to improve glass shell and alloy flange reliability of operation in the high temperature difference environment, according to present existing metal material: the thermal expansion ratio of invar alloy and titaniferous quartz glass is approximate, can utilize invar alloy to be processed into flange, the titaniferous quartz glass is processed into upper glass shell and annex, and the hot melt riveted is integral again; Kovar alloy and high-boron-silicon glass also have akin thermal expansion ratio, can utilize kovar alloy to be processed into flange, high-boron-silicon glass is processed into glass shell and annex, and the hot melt riveted is integral again.
2. technical at photo-thermal conversion core component, the wave disc that the present invention adopts has following architectural feature: the wave disc electroplating surface in the stainless steel punching press is selected absorbent films, and the structural principle that utilizes wave disc to absorb thermal expansion metal overcomes the expansion after the interior material of heat exchanger is heated; Wave disc and alloy flange will be evacuated between glass shell and the wave disc after using the argon arc welding welded seal, run off with the heat energy of avoiding collecting receipts.
3. according to claim 1,2 described structures, the present invention has following feature in the heat exchanger process technology of soldering stainless steel processing after the wave disc: the high-temperature medium (low-melting-point metals such as aluminium or lead) after the fusing of packing in the heat exchanger is equipped with the spring-like coil pipe and does the heat exchange runner in high-temperature medium, be used for the heat of high-temperature medium is changed out.
4. alloy flange according to claim 1 (4) be processed with following feature: (thickness 0.5-1.6mm) is processed into pattern as shown in Figure 2 with the invar alloy sheet material, and it is air-dry to eliminate internal stress, annealing, surface sand-blasting, cleaning.
5. according to the described structure of claim 2, the present invention has following feature in the process technology of plated film stainless steel annular wave disc (14): corrosion resistant plate (material is SUS304,321,316L, thickness 0.5-1.0MM) strikes out as shown in Figure 1 the pattern of (14) and eliminates internal stress, annealing; (wave height: 2.0-20mm, ripple is wide: 2.0-20mm) electroplates and selects absorbing film, as: black titanium, black chromium, black cobalt, alundum (Al etc.
6. according to claim 1,2 described structures, the present invention has following feature on the process technology of glass shell (15): with titaniferous quartz glass (thickness: 3-15mm) after the thermoplastic, put into pre-processed punching block and be pressed into type shape shown in accompanying drawing 1 (1), excise unnecessary edge with Carborundum wheel; Also can adopt the mould mode of inhaling: after compressing around the glass after will softening, in die, bleed; To contain titanium glass and cut into rectangularly, and be heated to and put into pre-processed punching block behind the soft heat state and make a round.
7. according to claim 1,6 described structures, welding process technology at alloy flange and glass shell has following feature: after the invar alloy flange (4) that processes is put into glass shell (15), put into the glass shell annex again, with fireworks heat welded place, treat that glass shell edge and annex are all behind the soft heat state, in the punching block of whole immigration glass shell moulding, continue to heat annex, make the annex welding on alloy flange and glass shell with the weldering fire; The bleed welding of glass tubule (1): after glass shell (15) center of the good alloy flange of welding is with high temperature fireworks heat fused one aperture, the one homogeneity glass tubule of welding while hot, use when being used to vacuumize, after glass shell is evacuated, with the navel that disappears of glass tubule (1) sealing by fusing of bleeding on the glass shell (15).
8. structure according to claim 3, the present invention has following feature on the process technology of stainless steel (spring-like) coil pipe (12): the material of stainless steel tube generally adopts SUS304,321,316L, press the caliber size of the area size design coil pipe of disc type solar energy speculum, press the pipe thickness of coil pipe pressure-bearing size design coil pipe, press the heat collector size design coil pipe size and the number of turns; On rolling machine, be processed into type shape shown in accompanying drawing 1 (12) on request, and at two ends welding internal thread joint.
9. according to claim 1,2,3 described structures, following feature is arranged on the process technology of stainless steel lagging casing (2): adopt stainless steel material to make external form, and with mineral wool filled thermal insulation materials inner chamber; The making of mineral wool heat-insulation layer (3): asbestos and sepiolite pulverize by add again after mixing than row crushed crude pearlite, sodium carbonate, water, etc. mix, natural foaming, air-dry through high temperature again, integrally welded at last, welding support interface (6) in the above again.
10. according to claim 1,2,3 described structures, on the heat exchanger process technology, the present invention has following feature: with low-melting-point metals such as aluminium, lead, antimony, bismuth, alloys, by the requirement of heat collector running environment, choose any one kind of them, after the heat fused, after the filtration, in high-temperature medium inlet (9) injects heat exchanger, fill back cover lid (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010162351A CN101832664A (en) | 2010-05-05 | 2010-05-05 | Dish solar coil type vacuum heat collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010162351A CN101832664A (en) | 2010-05-05 | 2010-05-05 | Dish solar coil type vacuum heat collector |
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| CN101832664A true CN101832664A (en) | 2010-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010162351A Pending CN101832664A (en) | 2010-05-05 | 2010-05-05 | Dish solar coil type vacuum heat collector |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102564170A (en) * | 2012-02-29 | 2012-07-11 | 茂名重力石化机械制造有限公司 | Tube type heat exchanger |
| CN103390485A (en) * | 2013-07-22 | 2013-11-13 | 浙江江山特种变压器有限公司 | Liquid nitrogen strong cooling transformer and refrigerating method thereof |
| CN109405038A (en) * | 2018-12-04 | 2019-03-01 | 珠海格力电器股份有限公司 | Electric heater |
-
2010
- 2010-05-05 CN CN201010162351A patent/CN101832664A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102564170A (en) * | 2012-02-29 | 2012-07-11 | 茂名重力石化机械制造有限公司 | Tube type heat exchanger |
| CN103390485A (en) * | 2013-07-22 | 2013-11-13 | 浙江江山特种变压器有限公司 | Liquid nitrogen strong cooling transformer and refrigerating method thereof |
| CN103390485B (en) * | 2013-07-22 | 2015-12-09 | 浙江宝威电气有限公司 | A kind of strong cold transformer of liquid nitrogen and refrigerating method thereof |
| CN109405038A (en) * | 2018-12-04 | 2019-03-01 | 珠海格力电器股份有限公司 | Electric heater |
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| C06 | Publication | ||
| PB01 | Publication | ||
| DD01 | Delivery of document by public notice |
Addressee: Liu Shengli Document name: Notification of before Expiration of Request of Examination as to Substance |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100915 |