CN102494419A - Novel solar medium and low-temperature heat collection rack pipes - Google Patents
Novel solar medium and low-temperature heat collection rack pipes Download PDFInfo
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- CN102494419A CN102494419A CN2011104498205A CN201110449820A CN102494419A CN 102494419 A CN102494419 A CN 102494419A CN 2011104498205 A CN2011104498205 A CN 2011104498205A CN 201110449820 A CN201110449820 A CN 201110449820A CN 102494419 A CN102494419 A CN 102494419A
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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 novel solar medium and low-temperature heat collection rack pipes. A row of heat collection rack pipes are formed by arranging a plurality of metal single pipes side by side; the heat collection rack pipes are provided with pipe supports at intervals of preset distance along the length direction; and a layer of anti-corrosion paint is coated on the outer surfaces of the single pipes, and a high-absorbency coating layer is coated on the surface of the anti-corrosion paint. The novel solar medium and low-temperature heat collection rack pipes have the advantages of large heated area, simple machining, low cost, no fragile components and simplicity of installation.
Description
Technical field
The present invention relates to a kind of solar utilizing equipment, be specifically related to low temperature thermal-arrest comb in a kind of new type solar energy.
Background technology
Along with steady development of economy, demands for energy grows with each passing day, and there is the serious and non-renewable day by day problem of polluting in fossil energy, and the reproducible energy of development cleaning is imperative.The solar energy reserves are abundant, are a kind of regenerative resources of environment-protecting clean.The generating of Salar light-gathering heat is an important channel that large-scale develops and utilizes solar energy.
Thermal-collecting tube is a visual plant in the Salar light-gathering heat generating system, absorbs the sunshine from the Jing Chang reflection, heating working medium, the steam of generation HTHP, pushing turbine generating.Mostly the thermal-collecting tube that uses at present is vacuum heat collection pipe, and its typical characteristic is a double-decker, and the inboard is the metal tube that the surface scribbles high absorption characteristic coating, and a glass bushing is installed in the outside, and the two is connected and with the state that is evacuated of the interlayer between sleeve pipe.Vacuum heat collection pipe has absorbent properties efficiently; And vacuum layer has good heat insulation effect; Effectively stoped scattering and disappearing of heat, but this thermal-collecting tube has following shortcoming: the sealing technology of (1) glass tube and metal tube is difficult, and what glass tube and metal tube expanded in the time of also will considering to be heated relatively moves; Thereby processed complex, cost is high; (2) because overcoat is a glass tube, be fragile part, comparatively complicacy is installed, need very careful.
Summary of the invention
Deficiency to prior art exists the object of the present invention is to provide low temperature thermal-arrest comb in a kind of new type solar energy, has that heating surface area is big, processing is simple, cost is low and do not have fragile part, and simple advantage is installed.
For achieving the above object, the present invention adopts following technical scheme:
Low temperature thermal-arrest comb in a kind of new type solar energy; Be arranged side by side by many metal single tubes and form one and arrange in a row the hot type pipe; Said thermal-arrest comb is every along its length to be provided with conduit saddle at a distance from predeterminable range; Said metal single tube outer surface scribbles one deck anti-corrosive paint, scribbles one deck high-absorbable coating on the surface of anti-corrosive paint.
Said one arranges in a row hot type Guan Weiyi plane or curved surface.
Said curved surface is cambered surface or parabola.
Said metal single tube adopts the metal material that does not have etch-proof characteristic.
The said metal material that does not have etch-proof characteristic is carbon steel or stainless steel.
Said high-absorbable coating from-inner-to-outer is followed successively by in the sub-coating of metallic red external reflectance, the cermet high temperature absorb heat sub-coating and the sub-coating of antireflective; The metal material of the sub-coating of metallic red external reflectance adopts Nb, Cu, Al, Ti, Mg, Rh, Ag or Au, and the absorb heat material of sub-coating of high temperature adopts NbN, Nb, TiN, Ti, TiAl, TiAlN, TiAlON, TiAlO, Cr in the cermet
2O
3, Cr, HfO
2, Hf, ZrN or Zr, the material of the sub-coating of antireflective adopts TiO
2, Ta
2O
5, Nb
2O
5, Al
2O
3, SiO
2Or Si
3N.
The present invention compares with prior art, has following advantage:
1, compare with single thermal-collecting tube, the light-receiving area of comb is big, and is not high to the required precision of the mirror field optically focused ratio and the speculum tracking sun.
2, the version of comb is versatile and flexible, can carry out design and installation according to field condition, and not have fragile part, and fitting operation is comparatively simple.
3, the thermal-arrest comb adopts low-cost metal, and processing is simple, thereby cost is lower.
4, thermal-arrest comb surface is two coatings, can play etch-proof effect, and high to the absorbability of direct sunlight.Under middle cryogenic conditions, a little less than free convection and the heat radiation heat radiation, even without vacuum layer, collecting efficiency is still higher.
Description of drawings
Fig. 1 is a cambered surface structures arranged sketch map of the present invention.
Fig. 2 is the structural representation of floor plan of the present invention.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is described in more detail.
Embodiment one
As shown in Figure 1; Low temperature thermal-arrest comb in a kind of new type solar energy of present embodiment, being arranged side by side by 5 long 10m metal tubes 1 forms a cambered surface thermal-arrest comb, and this routine metal tube 1 is a carbon steel pipe; Metal tube 1 outer surface scribbles one deck anti-corrosive paint 2; Scribble one deck high-absorbable coating 3 on the surface of anti-corrosive paint 2, high-absorbable coating 3 from-inner-to-outers are followed successively by in the sub-coating of metallic red external reflectance, the cermet high temperature absorb heat sub-coating and the sub-coating of antireflective, and the metal material of the sub-coating of metallic red external reflectance adopts Nb; The absorb heat material of sub-coating of high temperature adopts NbN in the cermet, and the material of the sub-coating of antireflective adopts TiO
2The thermal-arrest comb is every along its length to be provided with conduit saddle at a distance from 1m; Conduit saddle can hold up whole thermal-arrest comb and install, and conduit saddle is by the 5 cuboid cavity body formed at the bottom of conduit saddle top 4 and the conduit saddle, and the bayonet socket shape in the middle of the conduit saddle is consistent with the comb curve form but slightly greatly; This is because thermal-arrest comb expanded by heating need leave certain clearance.
Embodiment two
Shown in 2 figure; Low temperature thermal-arrest comb in a kind of new type solar energy of present embodiment, being arranged side by side by 5 long 15m metal tubes 1 forms a planar set hot type pipe, and this routine metal tube 1 is a stainless steel tube; Metal tube 1 outer surface scribbles one deck anti-corrosive paint 2; Scribble one deck high-absorbable coating 3 on the surface of anti-corrosive paint 2, high-absorbable coating 3 from-inner-to-outers are followed successively by in the sub-coating of metallic red external reflectance, the cermet high temperature absorb heat sub-coating and the sub-coating of antireflective, and the metal material of the sub-coating of metallic red external reflectance adopts Al; The absorb heat material of sub-coating of high temperature adopts Nb in the cermet, and the material of the sub-coating of antireflective adopts SiO
2The thermal-arrest comb is every along its length to be provided with conduit saddle at a distance from 1.5m; Conduit saddle can hold up whole thermal-arrest comb and install, and conduit saddle is by the 5 cuboid cavity body formed at the bottom of conduit saddle top 4 and the conduit saddle, and the bayonet socket shape in the middle of the conduit saddle is consistent with the comb flat shape but slightly greatly; This is because thermal-arrest comb expanded by heating need leave certain clearance.
Preparation method of the present invention is: prepare the metal tube 1 of many preset length, at metal tube 1 outer surface anticorrosion with painting erosion lacquer 2, spray one deck high-absorbable coating 3 again after anti-corrosive paint 2 is done.Shape according to comb; Use the aluminium sheet about thick 30mm to make a conduit saddle; By the 5 cuboid cavity body formed at the bottom of conduit saddle top 4 and the conduit saddle; Bayonet socket shape in the middle of the conduit saddle is consistent with the comb shape but big slightly, and every distance at a distance from about 1m is arranged a such conduit saddle, just can whole thermal-arrest comb be held up and install.
Claims (6)
1. low temperature thermal-arrest comb in the new type solar energy; It is characterized in that: being arranged side by side by many metal single tubes forms one and arranges in a row the hot type pipe; Said thermal-arrest comb is every along its length to be provided with conduit saddle at a distance from predeterminable range; Said metal single tube outer surface scribbles one deck anti-corrosive paint, scribbles one deck high-absorbable coating on the surface of anti-corrosive paint.
2. low temperature thermal-arrest comb in the new type solar energy according to claim 1, it is characterized in that: said one arranges in a row hot type Guan Weiyi plane or curved surface.
3. low temperature thermal-arrest comb in the new type solar energy according to claim 2 is characterized in that: said curved surface is cambered surface or parabola.
4. low temperature thermal-arrest comb in the new type solar energy according to claim 1 is characterized in that: said metal single tube adopts the metal material that does not have etch-proof characteristic.
5. low temperature thermal-arrest comb in the new type solar energy according to claim 4 is characterized in that: the said metal material that does not have etch-proof characteristic is carbon steel or stainless steel.
6. low temperature thermal-arrest comb in the new type solar energy according to claim 1; It is characterized in that: said high-absorbable coating from-inner-to-outer is followed successively by in the sub-coating of metallic red external reflectance, the cermet high temperature absorb heat sub-coating and the sub-coating of antireflective; The metal material of the sub-coating of metallic red external reflectance adopts Nb, Cu, Al, Ti, Mg, Rh, Ag or Au, and the absorb heat material of sub-coating of high temperature adopts NbN, Nb, TiN, Ti, TiAl, TiAlN, TiAlON, TiAlO, Cr in the cermet
2O
3, Cr, HfO
2, Hf, ZrN or Zr, the material of the sub-coating of antireflective adopts TiO
2, Ta
2O
5, Nb
2O
5, Al
2O
3, SiO
2Or Si
3N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104498205A CN102494419A (en) | 2011-12-29 | 2011-12-29 | Novel solar medium and low-temperature heat collection rack pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104498205A CN102494419A (en) | 2011-12-29 | 2011-12-29 | Novel solar medium and low-temperature heat collection rack pipes |
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|---|---|
| CN102494419A true CN102494419A (en) | 2012-06-13 |
Family
ID=46186263
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| CN2011104498205A Pending CN102494419A (en) | 2011-12-29 | 2011-12-29 | Novel solar medium and low-temperature heat collection rack pipes |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101261052A (en) * | 2007-03-09 | 2008-09-10 | 北京亚盟环保科技有限公司 | manufacture method of solar energy heat collection plate suitable for outdoor direct usage |
| CN201425378Y (en) * | 2008-12-24 | 2010-03-17 | 白宝祥 | A synthetic reflecting solar energy heater |
| CN201652960U (en) * | 2010-03-15 | 2010-11-24 | 常州市兴旺绿色能源有限公司 | Solar energy vacuum tube carriage device |
| CN201662264U (en) * | 2010-04-26 | 2010-12-01 | 西安建筑科技大学 | Solar water heater capable of improving solar utilization rate |
| CN201973944U (en) * | 2010-12-07 | 2011-09-14 | 朱彤 | Evacuated solar collector tube |
| CN102207341A (en) * | 2011-07-01 | 2011-10-05 | 中国华能集团清洁能源技术研究院有限公司 | Medium-high-temperature through type metal solar collector tube |
| CN202393053U (en) * | 2011-12-29 | 2012-08-22 | 中国华能集团清洁能源技术研究院有限公司 | Solar low-and-medium temperature heat collecting calandria with high-adsorption coating |
-
2011
- 2011-12-29 CN CN2011104498205A patent/CN102494419A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101261052A (en) * | 2007-03-09 | 2008-09-10 | 北京亚盟环保科技有限公司 | manufacture method of solar energy heat collection plate suitable for outdoor direct usage |
| CN201425378Y (en) * | 2008-12-24 | 2010-03-17 | 白宝祥 | A synthetic reflecting solar energy heater |
| CN201652960U (en) * | 2010-03-15 | 2010-11-24 | 常州市兴旺绿色能源有限公司 | Solar energy vacuum tube carriage device |
| CN201662264U (en) * | 2010-04-26 | 2010-12-01 | 西安建筑科技大学 | Solar water heater capable of improving solar utilization rate |
| CN201973944U (en) * | 2010-12-07 | 2011-09-14 | 朱彤 | Evacuated solar collector tube |
| CN102207341A (en) * | 2011-07-01 | 2011-10-05 | 中国华能集团清洁能源技术研究院有限公司 | Medium-high-temperature through type metal solar collector tube |
| CN202393053U (en) * | 2011-12-29 | 2012-08-22 | 中国华能集团清洁能源技术研究院有限公司 | Solar low-and-medium temperature heat collecting calandria with high-adsorption coating |
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Application publication date: 20120613 |