CN101922813A - Flat plate type solar collector and plate core thereof - Google Patents
Flat plate type solar collector and plate core thereof Download PDFInfo
- Publication number
- CN101922813A CN101922813A CN2010102564068A CN201010256406A CN101922813A CN 101922813 A CN101922813 A CN 101922813A CN 2010102564068 A CN2010102564068 A CN 2010102564068A CN 201010256406 A CN201010256406 A CN 201010256406A CN 101922813 A CN101922813 A CN 101922813A
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- plate
- plate core
- core
- comb
- heat
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- 238000003466 welding Methods 0.000 claims abstract description 17
- 239000006096 absorbing agent Substances 0.000 claims description 55
- 239000011521 glass Substances 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 3
- 238000012546 transfer Methods 0.000 description 12
- 239000012530 fluid Substances 0.000 description 10
- 230000005855 radiation Effects 0.000 description 8
- 238000013461 design Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 210000001520 comb Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 230000001839 systemic circulation Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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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 invention discloses a plate core which is used for a flat plate type solar collector, in particular to a tube plate type plate core or a serpentine tube type plate core which comprises a heat-absorbing plate and a calandria, wherein the calandria comprises a welding plane which is in contact with the plate surface of the heat-absorbing plate, and the cross section can be in the shapes of D, rectangle, triangle, C with a closed opening or U with a closed opening, and the like. The invention further discloses the flat plate type solar collector provided with the plate core.
Description
Technical field
The present invention relates to the solar facilities technical field, relate in particular to the heat-absorbing plate core of flat-plate solar heat collector.The invention still further relates to the flat-plate solar heat collector that comprises above-mentioned plate core.
Background technology
At present, the utilization of solar energy mainly contains photo-thermal conversion and opto-electronic conversion dual mode, flat-plate solar heat collector is a kind ofly to absorb solar radiation energy and transmit the photothermal conversion device of heat to working medium, and it is that absorber is the non-focus solar collector of writing board shape substantially.
Flat-plate solar heat collector start-up time at home is unlike vacuum tube collector evening, but stage in early days, owing to the reason of selection causes its thermal energy conversion rate low, the extensive style design of simultaneity factor causes the non-constant of result of use and is subject to seasonal restrictions, have a strong impact on flat-plate solar heat collector in the in the eyes of impression of people, and then influenced occupation rate of market.
Be subjected to the influence of European high-efficient flat-plate heat collector technology in recent years, the design of domestic flat-plate solar heat collector has obtained improving greatly and improving, receive the concern in market more and more, thereby design and produce the important development direction that high-efficient flat-plate type solar thermal collector becomes solar facilities.
Flat-plate solar heat collector mainly is made up of frame, glass cover-plate, heat-absorbing plate core, heat-preservation cotton, backboard and other parts, and its heat-absorbing plate core can be divided into tube-sheet type plate core and two kinds of main types of coil pipe type plate core substantially according to the difference of structure.
Tube-sheet type plate core comprises a pair of header that is parallel to each other and is separated from each other, the some combs that are parallel to each other that two ends are communicated with the inner chamber of two headers respectively, described header and comb integral solder are on the plate face of absorber plate the same side, described header is provided with some holes that are used to connect comb, the two ends of described hole and comb are connected, the whole absorber plate in assembling back is flat platy structure substantially, described header forms horizontal fluid passage, and described comb forms the fluid passage of vertical arrangement.During work, sunlight sees through transparent cover plate and is radiated at surperficial cated absorber plate, and wherein most of solar radiant energy is absorbed by absorber, changes heat energy into, and passes the working medium in the fluid passage.
Coil pipe type plate core is bent into snakelike comb continuously by one and directly is welded on the plate face of absorber plate and forms, compare with tube-sheet type plate core, two parallel headers have up and down been saved, the two ends of its comb are respectively fluid intake and fluid issuing, operation principle is identical substantially with tube-sheet type plate core, just difference to some extent on the channels designs of fluid.
Each parts of flat-plate solar heat collector all can influence the hot property of heat collector, and the design of paying attention to each parts is the precondition that guarantees thermal performance of collectors with selecting; And heat-absorbing plate core transforms and transferring elements as important heat, and the quality of its structure and performance can directly influence the hot property of flat-plate solar heat collector.
The comb of existing tube-sheet type plate core and coil pipe type plate core is a pipe all mostly, contacts for the line face with the way of contact of absorber plate during welding, and heat transmission contact area is little, and thermal resistance is big, and heat transmits poor performance, causes the hot property of heat collector lower; Simultaneously, the poor welding quality of line face contact is unfavorable for the combination of comb and absorber plate.
Therefore, how improving the heat transfer property and the structural strength of flat-plate solar heat collector heat-absorbing plate core, is the present technical issues that need to address of those skilled in the art.
Summary of the invention
The plate core that the purpose of this invention is to provide a kind of flat-plate solar heat collector.This plate core has increased the contact area of comb and absorber plate by changing the cross sectional shape of comb, has reduced hot rent, has improved heat transfer property, simultaneously, has also improved the welding quality and the structural strength of plate core.
Another object of the present invention provides a kind of flat-plate solar heat collector that comprises above-mentioned plate core.
To achieve these goals, the invention provides a kind of plate core, be used for flat-plate solar heat collector, comprise absorber plate and the comb that is welded on the described absorber plate, described comb has and the contacted welding of described absorber plate plate face plane.
Preferably, described comb is specially pipe, and its pipe shaft side has at least one flat welding plane.
Preferably, described comb is " D " font on cross section.
Preferably, described comb rectangular or triangle on cross section.
Preferably, described heat-absorbing plate core is a tube-sheet type plate core.
Preferably, the header of described tube-sheet type plate core has and the contacted welding of described absorber plate plate face plane.
Preferably, described heat-absorbing plate core is a coil pipe type plate core.
Preferably, be coated with coating for selective absorption on the plate face of described absorber plate.
The present invention also provides a kind of flat-plate solar heat collector, comprise frame, glass cover-plate, heat-absorbing plate core and backboard, described heat-absorbing plate core is encapsulated between described glass cover-plate and the backboard, is provided with insulation material between itself and the backboard, and described heat-absorbing plate core is specially above-mentioned each described plate core.
Preferably, the comb of described heat-absorbing plate core is positioned at below its absorber plate.
Plate core provided by the present invention has been done further improvement on the basis of existing technology, and the comb that improves the described plate core in back has and can fit tightly together plane with described absorber plate.Like this, described comb just no longer welds together with the mode and the described absorber plate of the contact of line face, but combines with absorber plate in the mode of face face contact, increased the heat transfer area of described comb and absorber plate on the one hand, reduce thermal resistance, helped the transmission of heat, improved heat transfer property; Bigger on the other hand contact area can improve the welding quality of described comb and absorber plate, thereby strengthens structural strength between the two.
In a kind of specific embodiment, described comb is " D " font on cross section.Theoretically, when the concrete structure of the described comb of design, as long as described comb has at least one plane to contact with absorber plate.But when flat-plate solar heat collector was worked, its runner needed bearing certain pressure, therefore not all tubing with plane all is suitable for, and " D " font had both had and the contacted plane of absorber plate, had very withstand voltage arcuate structure again, therefore was comparatively suitable.
Flat-plate solar heat collector provided by the present invention comprises above-mentioned plate core, because above-mentioned plate core has above-mentioned technique effect, the flat-plate solar heat collector with this plate core also should possess the corresponding techniques effect.
Description of drawings
Fig. 1 is that the axle of a kind of specific embodiment of plate core provided by the present invention is surveyed view;
Fig. 2 is the partial schematic diagram that the single comb of plate core shown in Figure 1 combines with absorber plate;
Fig. 3 is the front view of plate core shown in Figure 1;
Fig. 4 is the A-A view of plate core shown in Figure 3;
Fig. 5 is the local enlarged diagram at plate core I shown in Figure 4 position;
Fig. 6 is the front view of the another kind of specific embodiment of plate core provided by the present invention;
Fig. 7 is the B-B view of plate core shown in Figure 6;
Fig. 8 is the local enlarged diagram at plate core II shown in Figure 6 position.
Among the figure:
Comb 1-1. plane 2. headers 3. absorber plates 1 '. comb 3 '. absorber plate
The specific embodiment
Core of the present invention provides a kind of heat-absorbing plate core.This plate core has increased the contact area of comb and absorber plate by changing the cross sectional shape of comb, has reduced hot rent, has improved heat transfer property, simultaneously, has also improved the welding quality and the structural strength of plate core.Another core of the present invention provides a kind of flat-plate solar heat collector that is provided with above-mentioned plate core.
In order to make those skilled in the art person understand the present invention program better, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
The term in expression orientation such as herein " upper and lower, left and right " is based on the position relation of accompanying drawing, only is for convenience of description, it should be considered as the absolute qualification to protection domain.
Please refer to Fig. 1 to Fig. 5, Fig. 1 is that the axle of a kind of specific embodiment of plate core provided by the present invention is surveyed view; Fig. 2 is the partial schematic diagram that the single comb of plate core shown in Figure 1 combines with absorber plate; Fig. 3 is the front view of plate core shown in Figure 1; Fig. 4 is the A-A view of plate core shown in Figure 3; Fig. 5 is the local enlarged diagram at plate core I shown in Figure 4 position.
In a kind of specific embodiment, plate core provided by the present invention is the tube-sheet type structure, mainly is made up of three parts, is respectively comb 1, header 2 and absorber plate 3.
Two headers 2 are parallel to each other and are separated from each other certain distance, be provided with the many combs that are parallel to each other 1 therebetween, the two ends of comb 1 are communicated with the inner chamber of last lower header 2 respectively, header 2 and comb 1 integral solder are on the plate face of absorber plate 3 the same sides, comb 1 forms the fluid passage of vertically arranging, header 2 forms horizontal fluid passage, wherein the mouth of pipe of header one end is set to import, the mouth of pipe of another root header one end is set to outlet, during work, heat-transfer working medium flows into the plate core from the import of header 2, finishes the heat absorption back at each comb 1 of flowing through and leaves the plate core from the outlet of header 2.
Comb 1 is " D " font on cross section, its pipe shaft one side has a plane 1-1 who flattens, and comb 1 contacts by 3 faces of this plane and absorber plate and welds together, during actual fabrication, earlier will " D " font comb 1 and header 2 welding formation runners, and then with absorber plate 3 welding fabrications.
As shown in the figure, comb 1 just no longer welds together with the mode and the described absorber plate 3 of the contact of line face, but combines with absorber plate 3 in the mode of face face contact.Such structure, one side can increase the heat transfer area of comb 1 and absorber plate 3, has reduced thermal resistance, helps the transmission of heat, improves heat transfer property; Bigger on the other hand contact area can improve the welding quality of comb 1 and absorber plate 3, thereby strengthens structural strength between the two.
Certainly, the cross sectional shape of comb 1 is not limited to " D " font, and the tubing with welding plane has a variety ofly, and its cross section can also be " C " font of rectangle, triangle, similar " D " font, opening closure or " U " font of opening closure or the like.
Theoretically, when the concrete structure of design comb, as long as comb has at least one plane to contact with absorber plate.But when considering flat-plate solar heat collector work, its runner needs bearing certain pressure, therefore not all tubing with plane all is suitable for, and " D " font had both had and the contacted plane of absorber plate, had very withstand voltage arcuate structure again, therefore was comparatively suitable.
The heat exchange of heat-transfer working medium and absorber plate 3 is not only finished in comb 1, can continue heat absorption in header 2 equally, in order further to improve the contact area of runner and absorber plate 3, header 2 also can be designed to have the structure of welding the plane.Because header 2 need be connected with other parts, its outwardly directed two ends can keep original circular configuration, so that connect.
Please refer to Fig. 6, Fig. 7, Fig. 8, Fig. 6 is the front view of the another kind of specific embodiment of plate core provided by the present invention; Fig. 7 is the B-B view of plate core shown in Figure 6; Fig. 8 is the local enlarged diagram at plate core II shown in Figure 6 position.
In the another kind of specific embodiment, plate core provided by the present invention is the coil pipe type structure, mainly is made up of the two large divisions, be respectively comb 1 ' and absorber plate 3 '.
Different with the board-like plate core of aforementioned tube, coil pipe type plate core only by one be bent into continuously snakelike comb 1 ' directly be welded on absorber plate 3 ' the plate face on form, compare with tube-sheet type plate core, two parallel headers have up and down been saved, its comb 1 ' two ends be respectively fluid inlet and fluid issuing, during work, heat transfer medium from comb 1 ' an end enter the plate core, along serpentine flow path through the plate core finish the heat absorption back from comb 1 ' the other end leave the plate core.
Comb 1 ' on cross section, be " D " font, its pipe shaft one side has a plane of flattening, comb 1 ' contact with absorber plate 3 ' face face and weld together by this plane, obtainable beneficial effect is identical with the board-like plate core of aforementioned tube, just no longer is repeated in this description here.
Can cover one deck coating for selective absorption on the absorber plate plate face of above-mentioned two kinds of plate cores.This is a kind of in certain wave-length coverage, optical properties such as reflectivity, absorptance, transmittance and emissivity are with the different material surfaces that have significant change of incident radiation wavelength, for example, the selective meter of absorber plate is in the face of the absorptance height of shortwave radiation and the long-wave radiation emissivity is low.
Except above-mentioned plate core; the present invention also provides a kind of flat-plate solar heat collector; mainly by frame; glass cover-plate; parts such as heat-absorbing plate core and backboard are formed; wherein frame is used for protection and fixing absorber; transparent cover plate and insulator; acting as of glass cover-plate sees through solar radiation; stop long-wave radiation to appear; reduce the absorber plate heat waste and reduce the influence of environment heat collector; heat-absorbing plate core is encapsulated between glass cover-plate and the backboard; insulator is an insulation material between itself and the backboard; can suppress absorber environment heat radiation towards periphery; heat-absorbing plate core is specially board-like plate core of aforementioned tube or coil pipe type plate core; all the other structures please refer to prior art, and this paper repeats no more.
During normal the use, the absorber plate of plate core in the above, comb is below.Like this, absorber plate absorbs the heat that solar radiation obtains, and by passing to heat-transfer working medium in the runner with contacting of comb, heat-transfer working medium passes heat by the systemic circulation pipeline, thereby realizes the thermal-arrest heat transmission function of flat plate collector.
More than flat-plate solar heat collector provided by the present invention and plate core thereof are described in detail.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand core concept of the present invention.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (10)
1. a plate core is used for flat-plate solar heat collector, comprises absorber plate and the comb that is welded on the described absorber plate, it is characterized in that described comb has and the contacted welding of described absorber plate plate face plane.
2. plate core according to claim 1 is characterized in that described comb is specially pipe, and its pipe shaft side has at least one flat welding plane.
3. plate core according to claim 1 is characterized in that, described comb is " D " font on cross section.
4. plate core according to claim 1 is characterized in that described comb is rectangular or triangle on cross section.
5. according to each described plate core of claim 1 to 4, it is characterized in that described heat-absorbing plate core is a tube-sheet type plate core.
6. plate core according to claim 5 is characterized in that, the header of described tube-sheet type plate core has and the contacted welding of described absorber plate plate face plane.
7. according to each described plate core of claim 1 to 4, it is characterized in that described heat-absorbing plate core is a coil pipe type plate core.
8. according to each described plate core of claim 1 to 4, it is characterized in that, be coated with coating for selective absorption on the plate face of described absorber plate.
9. flat-plate solar heat collector, comprise frame, glass cover-plate, heat-absorbing plate core and backboard, described heat-absorbing plate core is encapsulated between described glass cover-plate and the backboard, be provided with insulation material between itself and the backboard, it is characterized in that described heat-absorbing plate core is specially aforesaid right requirement 1 to 8 each described plate core.
10. flat-plate solar heat collector according to claim 9 is characterized in that the comb of described heat-absorbing plate core is positioned at below its absorber plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102564068A CN101922813A (en) | 2010-08-17 | 2010-08-17 | Flat plate type solar collector and plate core thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102564068A CN101922813A (en) | 2010-08-17 | 2010-08-17 | Flat plate type solar collector and plate core thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101922813A true CN101922813A (en) | 2010-12-22 |
Family
ID=43337897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102564068A Pending CN101922813A (en) | 2010-08-17 | 2010-08-17 | Flat plate type solar collector and plate core thereof |
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| Country | Link |
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| CN (1) | CN101922813A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128498A (en) * | 2011-04-29 | 2011-07-20 | 江苏辉煌太阳能股份有限公司 | Flat vacuum solar heat collector |
| CN102434986A (en) * | 2011-11-29 | 2012-05-02 | 昆明恒宇惠源科技有限公司 | Multi-material rivet weld composite solar thermal collector plate core and manufacturing mould and method |
| CN102679592A (en) * | 2012-05-10 | 2012-09-19 | 山东聚力太阳能有限公司 | Heat absorption plate core structure of flat-plate solar collector |
| CN102706015A (en) * | 2012-05-11 | 2012-10-03 | 山东聚力太阳能有限公司 | Heat absorbing plate core of flat-plate solar heat collector |
| CN103245106A (en) * | 2012-02-02 | 2013-08-14 | 陶礼德 | Dehumidifying and anticorrosion heat-collecting plate core |
| CN103591708A (en) * | 2013-11-04 | 2014-02-19 | 中山大学 | Heat tube type photovoltaic photo-thermal member |
| CN103673314A (en) * | 2012-09-07 | 2014-03-26 | 安徽海帅电器制造有限公司 | Method for manufacturing panel type solar heat collection device and panel type solar heat collection device manufactured with method |
| CN103994590A (en) * | 2013-02-18 | 2014-08-20 | 深圳市大族激光科技股份有限公司 | Solar collector and manufacturing method thereof |
| CN104807214A (en) * | 2015-04-15 | 2015-07-29 | 伯恩太阳能科技有限公司 | Heat collector |
| CN108603690A (en) * | 2016-02-01 | 2018-09-28 | 公州大学校产学协力团 | Air heat-collecting formula PVT heat collectors |
| CN111998545A (en) * | 2020-09-01 | 2020-11-27 | 宁波盾科新材料有限公司 | Surface contact flat-plate solar collector |
| CN114227185A (en) * | 2021-12-31 | 2022-03-25 | 山东宏力天扬环保科技有限公司 | Production method of flat-plate solar collector |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128498A (en) * | 2011-04-29 | 2011-07-20 | 江苏辉煌太阳能股份有限公司 | Flat vacuum solar heat collector |
| CN102434986A (en) * | 2011-11-29 | 2012-05-02 | 昆明恒宇惠源科技有限公司 | Multi-material rivet weld composite solar thermal collector plate core and manufacturing mould and method |
| CN103245106A (en) * | 2012-02-02 | 2013-08-14 | 陶礼德 | Dehumidifying and anticorrosion heat-collecting plate core |
| CN102679592A (en) * | 2012-05-10 | 2012-09-19 | 山东聚力太阳能有限公司 | Heat absorption plate core structure of flat-plate solar collector |
| CN102706015A (en) * | 2012-05-11 | 2012-10-03 | 山东聚力太阳能有限公司 | Heat absorbing plate core of flat-plate solar heat collector |
| CN103673314A (en) * | 2012-09-07 | 2014-03-26 | 安徽海帅电器制造有限公司 | Method for manufacturing panel type solar heat collection device and panel type solar heat collection device manufactured with method |
| CN103673314B (en) * | 2012-09-07 | 2016-01-13 | 安徽海帅电器制造有限公司 | Plate type solar energy heat collector preparation method and goods thereof |
| CN103994590B (en) * | 2013-02-18 | 2016-05-25 | 大族激光科技产业集团股份有限公司 | Solar thermal collector and manufacture method thereof |
| CN103994590A (en) * | 2013-02-18 | 2014-08-20 | 深圳市大族激光科技股份有限公司 | Solar collector and manufacturing method thereof |
| CN103591708A (en) * | 2013-11-04 | 2014-02-19 | 中山大学 | Heat tube type photovoltaic photo-thermal member |
| CN103591708B (en) * | 2013-11-04 | 2015-10-21 | 中山大学 | A kind of heat tube type photovoltaic photo-thermal member |
| CN104807214A (en) * | 2015-04-15 | 2015-07-29 | 伯恩太阳能科技有限公司 | Heat collector |
| CN108603690A (en) * | 2016-02-01 | 2018-09-28 | 公州大学校产学协力团 | Air heat-collecting formula PVT heat collectors |
| CN108603690B (en) * | 2016-02-01 | 2020-03-03 | 公州大学校产学协力团 | Air heat collection type PVT heat collector |
| CN111998545A (en) * | 2020-09-01 | 2020-11-27 | 宁波盾科新材料有限公司 | Surface contact flat-plate solar collector |
| CN114227185A (en) * | 2021-12-31 | 2022-03-25 | 山东宏力天扬环保科技有限公司 | Production method of flat-plate solar collector |
| CN114227185B (en) * | 2021-12-31 | 2023-09-19 | 山东宏力天扬环保科技有限公司 | Production method of flat-plate solar collector |
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Application publication date: 20101222 |