CN102937342A - Metallurgic waste residue sprayed solar thermal collector - Google Patents
Metallurgic waste residue sprayed solar thermal collector Download PDFInfo
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- CN102937342A CN102937342A CN2012103145003A CN201210314500A CN102937342A CN 102937342 A CN102937342 A CN 102937342A CN 2012103145003 A CN2012103145003 A CN 2012103145003A CN 201210314500 A CN201210314500 A CN 201210314500A CN 102937342 A CN102937342 A CN 102937342A
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- asbestos
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- thermal collector
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- waste residue
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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 metallurgic waste residue sprayed solar thermal collector which is characterized in that the solar thermal collector comprises a magnesium cement outer frame shaped like a Chinese character 'ao', wherein an asbestos board and a wave-shaped asbestos shingle are sequentially distributed on the longitudinal cross section of the magnesium cement outer frame, and the asbestos shingle is arranged on the asbestos board which is arranged at the bottom; a metallurgic waste residue surface coating is sprayed on the surface of the wave-shaped asbestos shingle, an armoured glass surface board serves as the outer surface layer, a hollow structure is formed between the asbestos board and the wave-shaped asbestos shingle, and air inlets and air outlets are arranged on the cross outer lateral sides of the magnesium cement outer frame; and an air distribution board is arranged on the inner side. The solar thermal collector uses the air as the heating medium, is large in effective utilization area, and has the advantages of being fireproof, moistureproof, corrosion resisting, heat resisting, cold resisting, light in weight, easy and convenient to manufacture, low in manufacture cost, wide in application and raw material source, low in raw material cost, and capable of disposing metallurgic waste residue, fully utilizing resources and achieving the effect of energy conservation, emission reduction and sustainable development.
Description
Technical field
The present invention relates to solar energy heat collector.
Background technology
Day by day serious along with energy scarcity and environmental pollution, the exploitation renewable sources of energy be Development of Human Civilization in the urgent need to.No matter from the world still from China, conventional energy resource all is very limited, the conventional energy resource reserves of China approximately only have 10% of world's gross reserves well below the average level in the world.
The free emittance that the sun offers the earth every year reaches 5.4 * 10
24J is equivalent to up to ten thousand times of human at present energy aggregate consumption.Therefore countries in the world are all in the research dynamics that strengthens gradually aspect solar energy utilized.China is the quite abundant country of solar energy resources, and most regional annual day, amount of radiation was at 4 kWh/m
2. more than day, Tibet is up to 7 kWh/m
2. day.Compare with other country of same latitude, and the U.S. is similar, than Europe, Japanese more advantageous.Above-mentioned area accounts for more than 2/3 of national total area, and a year solar radiation total amount is higher than 5000 MJ/m
2, year sunshine time has the good condition of utilizing solar energy greater than 2000h.A special day amount of radiation is higher than 4.5KWh/m
2The area, sparsely populated, sparsely populated, ungetable remote, the outlying vast the Northwest of China just, economic development is comparatively backward.Can take full advantage of local abundant solar energy resources, develop the economy, uplift the people's living standard.China has also obtained larger achievement in research and the application facet of solar electrical energy generation and solar water heater in recent years.From the solar power station of Tibet plateau, the solar water heater to the huge numbers of families of North China use has shown that all human society will use clean energy resource more and more.The advantage of solar energy is general, huge, harmless, shortcoming is to disperse, at random, intermittently, so research to solar collector is the more important thing is in the research of solar energy utilization, the new forms of energy that only obtain are more than the conventional energy resource for making and using the new forms of energy device to consume, and this new forms of energy device just can make new forms of energy become extensive alternative energy source.The cost that the solar energy utilization should adopt the mankind to grasp is minimum, longest-lived, efficient material, method and apparatus high, rational in infrastructure as far as possible.
At present, domestic can produce in batches metal plate solar thermal collector and glass tube with vacuum solar thermal collector arranged.The glass tube with vacuum solar thermal collection system relies on condition of high vacuum degree to keep adiabatic, and principle is identical with thermos flask, and it is the same that general thermos flask uses its heat-insulating property obviously to descend through the several years, and the heat-insulating property of glass-vacuum tube also can decay in time gradually.Glass-vacuum tube is the blind pipe of a sealing, usually blind pipe upside down, China's running water mostly is hard water, produces easily flocculent deposit and gradually reduces endotherm area, reduces photo-thermal conversion efficiency.The flat water heater welding mouth of pipe is many, and welding causes that crystalline phase changes, and weld bond corrodes easily, shortens service life, and metal plate solar thermal collector price generally is higher than the glass tube with vacuum solar thermal collector, amounts to every square metre of lighting surface 1000-3000 unit.More than calculate still do not comprise water tank to the pipeline fee of water spot with, maintenance cost in 15 years, resist expense that freezing energising is incubated etc. in 15 years.This shows that these solar collectors also are very expensive at present.
Summary of the invention
The present invention is cold in order to solve existing highlands, and the problem such as domestic existing solar thermal collector cost is high, the life-span shortly, not anti-freezes, solar absorptance is low and proposed a kind of novel metallurgical waste residue spraying solar heat-collection plate that a suitable cold plateau area uses.
Technical scheme of the present invention is: metallurgical slag spraying solar thermal collector is characterized in that: this solar thermal collector is by " recessed " shape magnesium cement housing, be furnished with successively at magnesium cement housing longitudinal cross-section: the bottom is asbestos board, is furnished with the waveform asbestos shingle at asbestos board; And at waveform asbestos shingle surface spraying the metallurgical slag face coat being arranged, outer surface layer is the safety glass surface plate, forms hollow structure between asbestos board and waveform asbestos shingle, and is provided with air inlet/outlet in magnesium cement housing outer lateral boundaries; The inboard is provided with gas distribution grid and forms.
Beneficial effect of the present invention: metallurgical slag spraying solar heat-collection plate, formed by common asbestos shingle, glass surface plate and metallurgical slag, be characterized in that individual area of asbestos shingle is large, effectively utilize area large, also have the characteristics such as fire prevention, protection against the tide, anticorrosion, heat-resisting, cold-resistant, light weight, and it is easy to make production, and cost is low, and purposes is wide; Metallurgical slag spraying solar thermal collector face coat is black, does not almost have the requirement of outward appearance, whiteness, material purity aspect, as long as batch materials is basicly stable, thereby makes raw material sources more extensive, and cost of material is lower.In conjunction with the development of Qinghai Province's Non-ferrous Metallurgy pillar industry, the place to go that had both solved metallurgical slag takes full advantage of again resource, has reached the effect of energy-saving and emission-reduction and sustainable development simultaneously.
One, the service life of metallurgical slag spraying solar heat-collection plate critical piece can with the same life-span of building.Two, owing to adopt asbestos-waste residue coated substrate as sunlight absorbing layer, its keep the Gaoyang luminous absorptance time can with the same life-span of building.Three, adopt straight-through structure, have very little circulation resistance and very high cycle efficieny, and no matter its lighting surface has muchly, can not have manifold, manifold trunk and tube connector on the lighting surface (roof face).Four, metallurgical slag spraying solar heat-collection plate has good tensile strength, so there is not the metal shell of common flat type solar heat collector, simplifies the structure, reduced cost.Five, metallurgical slag spraying solar thermal collection system has low cost, long-life, can keep all the time stable higher sunlight absorption rate and the thermal efficiency at very long life period.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Fig. 1 is metallurgical slag spraying solar thermal collector master TV structure schematic diagram;
Fig. 2 is that the B-B of Fig. 1 is to the sectional structure schematic diagram;
Fig. 3 is that the A-A of Fig. 1 is to the sectional structure schematic diagram.
The specific embodiment
Shown in accompanying drawing 1-3, wherein: 1 solar heat-collection plate magnesium cement housing; 2 air inlet/outlets; 3 gas distribution grids; 4 asbestos shingles; 5 asbestos shingle hollow structures; 6 metallurgical slag face coats; 7 asbestos boards; 8 gas distribution grid air admission holes; 9 safety glass surface plate.
Metallurgical slag of the present invention spraying solar thermal collector, by " recessed " shape magnesium cement housing 1, be furnished with successively at magnesium cement housing 1 longitudinal cross-section: the bottom is asbestos board 7, is furnished with waveform asbestos shingle 4 at asbestos board 7; And at waveform asbestos shingle 4 surface sprayings metallurgical slag face coat 6 being arranged, outer surface layer is safety glass surface plate 9, forms hollow structure 5 between asbestos board 7 and waveform asbestos shingle 4, and is provided with air inlet/outlet 2 in magnesium cement housing 1 outer lateral boundaries; The inboard is provided with gas distribution grid 3 and forms.
Operation principle
One, cold air enters metallurgical slag spraying solar thermal collector by air inlet/outlet 2, and metallurgical slag spraying solar thermal collector is collected solar energy by metallurgical slag face coat 6, converts solar energy into heat energy, then cold air is heated.In the metallurgical slag spraying solar thermal collector gas distribution grid 3 that gas uniform is distributed is arranged, cold air enters in the asbestos shingle hollow structure 5 uniformly by gas distribution grid, waveform asbestos shingle 4 surface sprayings have the higher metallurgical slag face coat 6 of pair sunshine absorptance, behind the infrared ray that face coat 6 absorbs in the sunshine, radiant energy is converted into heat energy, and pass in the asbestos shingle hollow structure 5 cold air that rises gradually, because hot-air proportion is less than the proportion of cold air, heat transfer free convection just occurs and rises gradually by asbestos shingle hollow structure 5 and heat in the heat collector Air, hot-air rises to that the heat collector top is compiled and enters further heating in the next stage heat collector by air inlet/outlet 2, reach and be collected to after the rated temperature in the indoor heat storage can by gas-liquid heat-exchange heat transferred heat storage medium (being generally water), heat storage medium cooperates assisted heating device realization constant temperature in the heat storage can, be extremely frigid zones hospital, school, the City Building heat supplies such as office building heating bathing, the heating of greenhouse, farming and pastoral area, matrimony vine is dry, the old halogen in salt pan is dry wait that solar energy composite utilizes technology the cleaning thermal source is provided.
Two, metallurgical slag spraying solar thermal collector mainly utilizes following principle: a. natural convection air heat exchange principle, when being the contact of the air surface of solids different from temperature, near the part air on surface because of be heated and static primary air between formation temperature poor, temperature difference causes atmospheric density poor thus, so that up and down relative motion occurs the different air of weight, form heat transfer free convection.Cold air slowly heats in heat collector asbestos shingle hollow structure bottom and rises to the top, forms the heat transfer free convection circulation.When the meridian hour sun intensity is higher, can in the air circulation closed-circuit system, add a blower fan, realize quick forced circulation.B. collecting plate heat absorption principle: waveform asbestos shingle 4 surface sprayings have metallurgical slag face coat 6, and this coating has very large absorptivity to visible light in the solar energy and infrared ray, radiant energy can be converted into heat energy and pass to rapidly air.Be coated with one deck safety glass surface plate 9 at magnesium cement housing 1, form hollow structure between safety glass surface plate and the asbestos shingle, 9 dustproof, rainproof, the hail suppression of safety glass surface plate reduce metallurgical slag face coat sunshine attenuation by absorption speed, improve the absorptivity of solar energy.
Claims (1)
1. metallurgical slag spraying solar thermal collector is characterized in that: this solar thermal collector is by " recessed " shape magnesium cement housing (1), be furnished with successively at magnesium cement housing (1) longitudinal cross-section: the bottom is asbestos board (7), is furnished with waveform asbestos shingle (4) at asbestos board (7); And at waveform asbestos shingle (4) surface spraying metallurgical slag face coat (6) is arranged, outer surface layer is safety glass surface plate (9), between asbestos board (7) and waveform asbestos shingle (4), form hollow structure (5), and be provided with air inlet/outlet (2) in magnesium cement housing (1) outer lateral boundaries; The inboard is provided with gas distribution grid (3) and forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103145003A CN102937342A (en) | 2012-10-18 | 2012-10-18 | Metallurgic waste residue sprayed solar thermal collector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103145003A CN102937342A (en) | 2012-10-18 | 2012-10-18 | Metallurgic waste residue sprayed solar thermal collector |
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| CN102937342A true CN102937342A (en) | 2013-02-20 |
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| CN2012103145003A Pending CN102937342A (en) | 2012-10-18 | 2012-10-18 | Metallurgic waste residue sprayed solar thermal collector |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4056092A (en) * | 1974-07-26 | 1977-11-01 | Meier Harold K | Flat plate solar energy collector |
| US4222365A (en) * | 1978-06-05 | 1980-09-16 | Rockwell International Corporation | Heat storage system and method |
| US5167218A (en) * | 1986-03-31 | 1992-12-01 | David Deakin | Solar collector having absorber plate formed by spraying molten metal |
| CN2924415Y (en) * | 2006-06-09 | 2007-07-18 | 广东五星太阳能有限公司 | Flat-plate solar heat collector external frame |
| CN201096909Y (en) * | 2007-08-23 | 2008-08-06 | 黄鑫 | A solar focusing reflective board |
| CN101532732A (en) * | 2008-12-31 | 2009-09-16 | 常州博士新能源科技有限公司 | Solar thermal collector |
| CN202452723U (en) * | 2012-02-15 | 2012-09-26 | 严军 | Metallurgical slag-sprayed solar thermal collector |
-
2012
- 2012-10-18 CN CN2012103145003A patent/CN102937342A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4056092A (en) * | 1974-07-26 | 1977-11-01 | Meier Harold K | Flat plate solar energy collector |
| US4222365A (en) * | 1978-06-05 | 1980-09-16 | Rockwell International Corporation | Heat storage system and method |
| US5167218A (en) * | 1986-03-31 | 1992-12-01 | David Deakin | Solar collector having absorber plate formed by spraying molten metal |
| CN2924415Y (en) * | 2006-06-09 | 2007-07-18 | 广东五星太阳能有限公司 | Flat-plate solar heat collector external frame |
| CN201096909Y (en) * | 2007-08-23 | 2008-08-06 | 黄鑫 | A solar focusing reflective board |
| CN101532732A (en) * | 2008-12-31 | 2009-09-16 | 常州博士新能源科技有限公司 | Solar thermal collector |
| CN202452723U (en) * | 2012-02-15 | 2012-09-26 | 严军 | Metallurgical slag-sprayed solar thermal collector |
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Application publication date: 20130220 |