CN102865615A - Solar heating system using concrete for heat storage - Google Patents
Solar heating system using concrete for heat storage Download PDFInfo
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- CN102865615A CN102865615A CN2012103213975A CN201210321397A CN102865615A CN 102865615 A CN102865615 A CN 102865615A CN 2012103213975 A CN2012103213975 A CN 2012103213975A CN 201210321397 A CN201210321397 A CN 201210321397A CN 102865615 A CN102865615 A CN 102865615A
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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Abstract
The invention relates to a solar heating system using concrete for heat storage. The solar heating system is characterized in that a solar water heater circulation pipeline and a heating and heat storage pipeline are composed of a solar water heater, a heat storage water tank, a solar water heater pipeline water circulating pump, a solar water heater pipeline stop valve, a heating pipeline stop valve, a concrete heat reservoir, a heating pipeline water circulating pump, a heating user system heat exchanger, a by-pass valve, a solar hot water pipe, a heating and heat storage pipe, a heating and water inlet pipe and a heating and water return pipe; the concrete heat reservoir consists of a concrete block and a heat exchange pipe; the heat exchange pipe is built in the concrete block; in the daytime, heat of heat-transfer fluid of the solar water heater is stored in the heat storage water tank, and hot water in the heat storage water tank supplies heat to the concrete heat reservoir, and the heated moderate temperature water enters the heating user system heat exchanger and is used for heating; and at night, the moderate temperature water in the heat storage water tank enters the concrete heat storage block, and the concrete heat storage block releases heat and heats water in the heat exchange pipe to provide heat load required for heating at night.
Description
Technical field
The invention belongs to energy class supply thermal technology field, particularly a kind of solar heating method and system that utilizes the concrete heat accumulation.
Background technology
At present, for town building, winter heating mainly adopts the mode of fire coal, combustion gas to realize central heating.And for non-town dweller, burning raw coal or biomass energy are main heating energy resource consumption systems.The energy resource structure system of conventional heating system causes the environment in recent years pollution index more and more higher, can enter lung particle index (PM2.5) and raise year by year.Day by day serious along with the fossil energy crisis, and the increasing the weight of of environmental pollution, China will greatly develop the utilization of regenerative resource during 12, especially to the utilization of solar energy resources.Solar heating, solar airconditioning and solar thermal electric combined supply etc. will be studied and be utilized widely.But because solar energy resources noncontinuity feature in time in the Solar Energy Heat Utilization System, forms the contradiction that is difficult to Natural matching between Power supply and demand.Adopting the contradiction between the heat reservoir coordination solar energy supply and demand, is a kind of effective way that solves solar thermal utilization.
Patent CN101701732A has reported a kind of solar heating system that utilizes pebble heat storage.Employing is laid cobble at underfloor and is stored the heat that daytime, solar energy air heat collector obtained, to satisfy the heating demand in evening.But because the thermal conductivity factor of cobble is lower, the thermal capacitance of air is little, utilizes the efficient of pebble heat storage system relatively low, can not satisfy the accumulation of heat requirement at continuous cloudy day.
Patent CN201463074U has reported that a kind of water cellar that adopts is as the solar heat-preservation heating plant of regenerative apparatus.Utilize the water in the hot water heating water cellar of solar water heater daytime, utilize the hot water of water cellar evening, for the room provides heat.The heat accumulation function of this patent utilization water cellar has satisfied the heating demand at night to a certain extent, has alleviated the rural area because the coal-fired CO2 discharging that waits heating system to bring.
Patent 201110096656.4 has been reported a kind of high temperature concrete thermal storage device of direct steam generation.The high temperature concrete thermal storage device comprises and fills heat and the separate pipeline of heat release two cover, adopts two kinds of different fluids realizations to fill heat and heat release.When daytime, solar irradiation was strong, the conduction oil, fuse salt, the water under high pressure that utilize heat dump to heat carried out concrete and fill heat.When the sun is not enough or cloudy, utilize water to carry out heat release, produce the water vapour of high temperature, for the steam turbine generating.By utilizing high temperature concrete, can realize the storage to solar energy, the relation of energy input and unevenness between supply and demand in the alleviation solar heat power generation system.
Summary of the invention
The objective of the invention is to overcome the shortcoming that existing solar energy heat-storage heating system can not satisfy heating and heat accumulation demand simultaneously, a kind of solar heating system of proposition.The heat heating that utilizes daytime of the present invention solar water heater to provide utilizes the concrete heat storage blocks to store the heat of solar energy simultaneously, so that come heating in solar energy deficiency or the heat that can utilize night the concrete heat storage blocks to store.
The present invention utilizes the solar heating system of concrete heat accumulation to be comprised of solar water heater, heat storage water tank, pipelines of solar water heater water circulating pump, pipelines of solar water heater stop valve, heating pipeline stop valve, concrete thermal storage device, heating pipeline water circulating pump, heating custom system heat exchanger, by-passing valve, solar water pipeline, heating heat accumulation pipeline, heating inlet channel and heating water return pipeline.Wherein: the bottom of heat storage water tank has the heat storage water tank delivery port, and the top of heat storage water tank has the heat storage water tank water return outlet.Solar water heater is positioned at the top layer of solar heating system.Heat storage water tank, pipelines of solar water heater water circulating pump and pipelines of solar water heater stop valve are positioned at the bottom of solar water heater, and heat storage water tank, pipelines of solar water heater water circulating pump and pipelines of solar water heater stop valve three are in the same plane.Solar water heater can be flat casing water-heater, also can be the electron tubes type water heater.Heat storage water tank is mainly used in storing from solar water heater hot water out, and plays certain heat storage function.
The solar heating system that utilizes the concrete heat accumulation is divided into two closed circuits according to the difference of function: solar water heater circulation line and heating heat accumulation pipeline.
Described solar water heater, heat storage water tank, pipelines of solar water heater stop valve and pipelines of solar water heater water circulating pump are linked in sequence successively by the solar water pipeline, form the solar water heater circulation line.Solar water heater is positioned at the top layer of solar heating system.Heat storage water tank, pipelines of solar water heater stop valve and pipelines of solar water heater water circulating pump are positioned at the bottom of solar water heater.By the pipelines of solar water heater water circulating pump water inlet of the water in the heat storage water tank from solar water heater is pumped into the solar water heater, water after the heating relies on Action of Gravity Field, flow back into the heat storage water tank from the delivery port of solar water heater.
Described heat storage water tank, heating pipeline water circulating pump, heating pipeline stop valve, by-passing valve, concrete thermal storage device and heating custom system heat exchanger are positioned at same plane.Heat storage water tank, heating pipeline water circulating pump, heating pipeline stop valve, concrete thermal storage device and heating custom system heat exchanger are linked in sequence successively by heating heat accumulation pipeline and heating water return pipeline, form heating heat accumulation pipeline major loop.Heat storage water tank, heating pipeline water circulating pump, by-passing valve and heating custom system heat exchanger are linked in sequence successively by heating inlet channel and heating water return pipeline, form the bypass of heating heat accumulation pipeline.
Heating pipeline water circulating pump is positioned at the bottom of heat storage water tank, interconnects by heating heat accumulation pipeline.One end of heating pipeline stop valve and by-passing valve is connected with heating pipeline water circulating pump with the heating inlet channel by heating heat accumulation pipeline, the other end of heating pipeline stop valve is connected with the concrete thermal storage device by heating heat accumulation pipeline, and the other end of by-passing valve is connected with heating user heat exchanger by the heating inlet channel.Heating custom system heat exchanger is connected by the heating water return pipeline with heat storage water tank.
Described concrete thermal storage device is comprised of high performance concrete block and heat exchange pipeline.Described high performance concrete piece is owing to added the material of high thermal conductivity at material internal, with respect to traditional solid heat-storage medium, the thermal conductivity factor of concrete block is higher, calorifics and stable mechanical property, be easy to safeguard, when inactive, need not special disposal, and cost be low, long service life is fit to utilize on a large scale concrete block as the solid heat accumulating.Described heat exchange pipeline is built in the concrete block, forms one with concrete block, consists of the concrete thermal storage device.Heat exchange pipeline is triangular in shape arrange or quadrangle is arranged in the concrete thermal storage device.For realize and concrete between high-efficiency heat conduction, heat exchange pipeline can be smooth tube, also can be finned heat exchange pipeline.Because be not subjected to the impact of concrete thermal storage device internal structure, the heat transfer medium in the solar water heater can be water or anti-icing fluid.
Utilize in the solar heating system of concrete heat accumulation and be provided with heat storage water tank and two heat-storing devices of concrete thermal storage device, can realize the method for operation that liquid heat accumulation and solid heat accumulation combine, utilize heat storage water tank to store the part heat that the solar thermal collector heat-transfer fluid provides, utilize simultaneously the capacious characteristics of concrete thermal storage device, most heat is stored in the solid heat-storage medium, effectively alleviates unmatched problem between the solar energy supply and demand.
The course of work of the present invention is as follows:
Daytime, heating system of the present invention utilized heat-transfer fluid in the solar water heater to heat the water of described heat storage water tank, by described heating pipeline water circulating pump, hot water in the heat storage water tank is entered in the concrete thermal storage device fill heat.High-temperature-hot-water enters into heat exchange pipeline and carries out the heat conduction with concrete block, and heat is passed to the concrete heat storage blocks.Out middle warm water from the concrete heat storage blocks enters into heating custom system heat exchanger, with the recirculated water heat exchange in the heating system, provides heating required thermic load.Night, by heating pipeline water circulating pump the water in the heat storage water tank is entered in the heat exchange pipeline of concrete thermal storage device, carry out heat exchange with concrete block, heat release by concrete block, extract the heat in the concrete block, make from heat storage water tank water out reach uniform temperature, enter into heating custom system heat exchanger, with the recirculated water heat exchange in the heating system, satisfy the heating demand at night.By the heat that charges and discharge of concrete thermal storage device, can realize that the heat that utilizes solar water heater to provide satisfies the heating demand at daytime and night.
The present invention is simple in structure, concrete thermal storage device, heat storage water tank combine with solar water heater, utilize the thermal characteristics that charges and discharge of concrete thermal storage device, and the water storage of heat storage water tank and heat storage function, in the situation of solar energy abundance, realize the heating demand at daytime and night, effectively reduce the coal-fired consumption in the winter heating process, reduce the environmental pollution that causes owing to heating.
Description of drawings
Fig. 1 the present invention utilizes the solar heating system schematic diagram of concrete heat accumulation;
Fig. 2 concrete thermal storage device of the present invention front view;
Fig. 3 concrete thermal storage device of the present invention top view;
Fig. 4 concrete thermal storage device of the present invention left view;
Among the figure: 1 solar water heater, 2 heat storage water tanks, 3 pipelines of solar water heater water circulating pumps, 4 pipelines of solar water heater stop valves, 5 heating pipeline stop valves, 6 concrete thermal storage devices, 7 heating pipeline water circulating pumps, 8 heating custom system heat exchangers, 9 heat storage water tank delivery ports, 10 heat storage water tank water return outlets, 11 heating delivery ports, 12 heating water return outlets, 13 by-passing valves, 14 solar water pipelines, 15 heating heat accumulation pipelines, 16 heating inlet channels, 17 heating water return pipelines, 18 concrete blocks, 19 heat exchange pipelines, 20 horizontal main fluid conduit, 21 vertical main fluid conduit, 22 concrete thermal storage device water inlets, 23 concrete thermal storage device delivery ports.
The specific embodiment
Further specify the present invention below in conjunction with the drawings and specific embodiments.
Figure 1 shows that the present invention utilizes the solar heating system of concrete heat accumulation.As shown in Figure 1, the present invention is by solar water heater 1, heat storage water tank 2, pipelines of solar water heater water circulating pump 3, pipelines of solar water heater stop valve 4, heating pipeline stop valve 5, concrete thermal storage device 6, heating pipeline water circulating pump 7, heating custom system heat exchanger 8, by-passing valve 13, solar water pipeline 14, heating heat accumulation pipeline 15, heating inlet channel 16, and heating water return pipeline 17 forms.Solar water heater 1, heat storage water tank 2, pipelines of solar water heater stop valve 4 and pipelines of solar water heater water circulating pump 3 are linked in sequence successively by solar water pipeline 14, form the solar water heater circulation line.Solar water heater 1 is positioned at the top layer of solar heating system.Heat storage water tank 2, pipelines of solar water heater stop valve 4 and pipelines of solar water heater water circulating pump 3 are positioned at the bottom of solar water heater 1.By pipelines of solar water heater water circulating pump 3 water inlet of the water in the heat storage water tank 2 from solar water heater 1 is pumped into the solar water heater 1, water after the heating relies on Action of Gravity Field, flow back into the heat storage water tank 2 from the delivery port of solar water heater 1.
Heat storage water tank 2, heating pipeline water circulating pump 7, heating pipeline stop valve 5, concrete thermal storage device 6 and heating custom system heat exchanger 8 are positioned at same plane.Heat storage water tank 2, heating pipeline water circulating pump 7, heating pipeline stop valve 5, concrete thermal storage device 6 and heating custom system heat exchanger 8 are linked in sequence successively by heating heat accumulation pipeline 15 and heating water return pipeline 17, form heating heat accumulation pipeline major loop; Heat storage water tank 2, heating pipeline water circulating pump 7, by-passing valve 13 and heating custom system heat exchanger 8 are linked in sequence successively by heating inlet channel 16 and heating water return pipeline 17, form the bypass of heating heat accumulation pipeline; Heating pipeline water circulating pump 7 is positioned at the bottom of heat storage water tank 2, and heating pipeline water circulating pump 7 is connected with heat storage water tank 2 by heating heat accumulation pipeline 15; One end of heating pipeline stop valve 5 is connected with heating pipeline water circulating pump 7 by heating heat accumulation pipeline 14, and an end of by-passing valve 13 is connected with heating pipeline water circulating pump 7 by heating inlet channel 16; The other end of heating pipeline stop valve 5 is connected with concrete thermal storage device 6 by heating heat accumulation pipeline 14, and the other end of by-passing valve 13 is connected with heating user heat exchanger 8 by heating inlet channel 16.Heating custom system heat exchanger 8 is connected by heating water return pipeline 17 with heat storage water tank 2.
Described heat storage water tank delivery port 9 is positioned at the bottom of heat storage water tank 2, and is connected with heating pipeline water circulating pump 7, and heat storage water tank water return outlet 10 is positioned at the top of heat storage water tank 2, is connected with heating custom system heat exchanger 8 by heating water return pipeline 17.
Fig. 2, Fig. 3 and Fig. 4 are the structure chart of concrete thermal storage device 6.Such as Fig. 2, Fig. 3 and shown in Figure 4, described concrete thermal storage device 6 is comprised of concrete block 18, heat exchange pipeline 19, horizontal main fluid pipeline 20 and vertical main fluid conduit 21.Heat exchange pipeline 19 embeds concrete block 18 inside, when the water in the heat storage water tank 2 when concrete thermal storage device water inlet 22 flows through heat exchange pipeline 19, the heat of hot water carries out heat exchange by heat exchange pipeline 19 and concrete block 18, and concrete thermal storage device 6 is finished and filled heat/exothermic process.Vertically main fluid conduit 21 is connected with heat exchange pipeline 19, vertically main fluid conduit 21 intersects vertically with horizontal main fluid conduit 20, after out water enters into horizontal main fluid conduit 20 in the heat storage water tank 2, be evenly distributed in the vertical main fluid conduit 21, enter into again heat exchange pipeline 19, carry out heat exchange with concrete block 18, finally by vertically main fluid conduit 21, horizontal main fluid conduit 20 and 23 outflows of concrete thermal storage device delivery port, enter into heating user heat exchanger 8.In order to improve pyroconductivity, heat exchange pipeline 19 can be light pipe, also can be finned tube.
The course of work of the present invention is divided into fills heat and heating stage and heat release and heating stage.
Fill heat and heating stage: on daytime, solar water heater 1 absorbs solar energy, the heat-transfer fluid in the heating solar water heater 1.When the temperature difference of the temperature of heat-transfer fluid in the solar water heater 1 and heat storage water tank 2 reached Δ T 〉=2 ℃, solar water heater water circulating pump 3 started, and the heat-transfer fluid in the solar water heater 1 enters into heat storage water tank 2, carried out heat exchange with water in the heat storage water tank.When the temperature T of water in the heat storage water tank 2 reached 50 ℃≤T≤70 ℃, heating pipe water circulating pump 7 started, and hot water flows out from the heat storage water tank delivery port 9 that is positioned at heat storage water tank 2 bottoms, enters into heating user heat exchanger 8 by by-passing valve 13.When the temperature T of water in the heat storage water tank 2 〉=70 ℃, heating pipe water circulating pump 7 starts, and hot water flows out from the heat storage water tank delivery port 9 that is positioned at heat storage water tank 2 bottoms, enters into concrete thermal storage device 6 by heating pipe stop valve 5 concrete thermal storage device 6 is filled heat.Out water enters into heating user heat exchanger 8 from concrete thermal storage device 6.
Enter into the hot water of heating user heat exchanger 8 with after heating water return outlet 12 enters the water heat exchange of heating user heat exchanger 8, get back to the heat storage water tank 2 from heat storage water tank water return outlet 10.Heating hot water flows out from heating delivery port 11 after heating water return outlet 12 enters into heating user heat exchanger 8 and 6 heat exchange of concrete thermal storage device, enters into the heating user.
Since concrete thermal storage device 6 fill the hot temperature difference less than 20 ℃, in the sufficient situation of 8 hours sun, utilize the solar heating system of concrete heat accumulation by day, can satisfy simultaneously the requirement of heating and heat accumulation.Heat storage water tank 2 can store the hot water of uniform temperature simultaneously, for concrete thermal storage device 6 heat release at night provides the middle warm water of uniform temperature, reduce the heat release temperature difference of concrete thermal storage device 6, prolong the heat release time of concrete thermal storage device 6, better utilize the heat of concrete thermal storage device 6 to realize the heating at night.
Heat release and heating stage: night, from heat storage water tank 2 out middle warm water through 7 pressurizations of heating pipe water circulating pump after, enter into concrete thermal storage device 6 through the heating pipe stop valve from concrete water inlet 18, carry out Re Jiaore with high temperature concrete piece 14, after reaching uniform temperature, flow out from concrete delivery port 19, enter into heating user heat exchanger 8 and the heat exchange of heating water, realize concrete heat release at night and heating.
By utilizing concrete exothermic character, can be implemented in night without the heating demand in the situation of solar energy.After concrete thermal storage device 6 reaches certain volume, can satisfy the heating demand at 12 hours nights.The heating system of heat storage water tank 2 and concrete thermal storage device 6 associating heat accumulations, not only can utilize the heating demand of the heat realization day and night of solar water heater, can also effectively reduce the utilization of conventional energy resource, minimizing can enter the discharging of lung particle index (PM2.5).
Claims (4)
1. solar heating system that utilizes the concrete heat accumulation, it is characterized in that described solar heating system is by solar water heater (1), heat storage water tank (2), pipelines of solar water heater water circulating pump (3), pipelines of solar water heater stop valve (4), heating pipeline stop valve (5), concrete thermal storage device (6), heating pipeline water circulating pump (7), heating custom system heat exchanger (8), by-passing valve (13), solar water pipeline (14), heating heat accumulation pipeline (15), heating inlet channel (16), and heating water return pipeline (17) forms; The bottom of described heat storage water tank (2) has heat storage water tank delivery port (9), and the top of heat storage water tank (2) has heat storage water tank water return outlet (10); Solar water heater (1) is positioned at the top layer of solar heating system; Heat storage water tank (2), pipelines of solar water heater water circulating pump (3) and pipelines of solar water heater stop valve (4) are positioned at the bottom of solar water heater (1), and heat storage water tank (2), pipelines of solar water heater water circulating pump (3) and pipelines of solar water heater stop valve (4) three are in same plane; Solar water heater (1), heat storage water tank (2), pipelines of solar water heater stop valve (4) are connected 3 with the pipelines of solar water heater water circulating pump) connect successively by solar water pipeline (14) order, form the solar water heater circulation line; Heat storage water tank (2), heating pipeline water circulating pump (7), heating pipeline stop valve (5), concrete thermal storage device (6) and heating custom system heat exchanger (8) are positioned at same plane; Heat storage water tank (2), heating pipeline water circulating pump (7), heating pipeline stop valve (5), concrete thermal storage device (6) and heating custom system heat exchanger (8) are linked in sequence successively by heating heat accumulation pipeline (15) and heating water return pipeline (17), form heating heat accumulation pipeline major loop; Heat storage water tank (2), heating pipeline water circulating pump (7), by-passing valve (13) and heating custom system heat exchanger (8) are linked in sequence successively by heating inlet channel (16) and heating water return pipeline (17), form the bypass of heating heat accumulation pipeline; Heating pipeline water circulating pump (7) is positioned at the bottom of heat storage water tank (2), and heating pipeline water circulating pump (7) is connected with heat storage water tank (2) by heating heat accumulation pipeline (15); One end of heating pipeline stop valve (5) is connected with heating pipeline water circulating pump (7) by heating heat accumulation pipeline (15), and an end of by-passing valve (13) is connected with heating pipeline water circulating pump (7) by heating inlet channel (16); The other end of heating pipeline stop valve (5) is connected with concrete thermal storage device (6) by heating heat accumulation pipeline (15), and the other end of by-passing valve (13) is connected with heating user heat exchanger (8) by heating inlet channel (16); Heating custom system heat exchanger (8) is connected by heating water return pipeline (17) with heat storage water tank (2).
2. according to the said solar heating system that utilizes the concrete heat accumulation of claim 1, it is characterized in that described concrete thermal storage device (6) is comprised of concrete block (18), heat exchange pipeline (19), horizontal main fluid pipeline (20) and vertical main fluid conduit (21); Described heat exchange pipeline (19) embeds concrete block (18) inside, and vertically main fluid conduit (21) is connected with heat exchange pipeline (19), and vertically main fluid conduit (21) intersects vertically with horizontal main fluid conduit (20); Described heat exchange pipeline (19) triangular in shape or quadrangle in concrete thermal storage device (6) is arranged.
3. according to the said solar heating system that utilizes the concrete heat accumulation of claim 2, it is characterized in that described heat exchange pipeline (19) is smooth tube or finned pipeline.
4. according to the said solar heating system that utilizes the concrete heat accumulation of claim 1, it is characterized in that the heat transfer medium in the solar water heater (1) is water or anti-icing fluid.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012103213975A CN102865615A (en) | 2012-09-03 | 2012-09-03 | Solar heating system using concrete for heat storage |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012103213975A CN102865615A (en) | 2012-09-03 | 2012-09-03 | Solar heating system using concrete for heat storage |
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| CN102865615A true CN102865615A (en) | 2013-01-09 |
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| CN2012103213975A Pending CN102865615A (en) | 2012-09-03 | 2012-09-03 | Solar heating system using concrete for heat storage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128527A (en) * | 2016-07-05 | 2016-11-16 | 中国核动力研究设计院 | The initial operating mode of passive experiment sets up aid system and using method thereof |
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| FR2471557A1 (en) * | 1979-12-12 | 1981-06-19 | Europ Propulsion | Solar heating system supplying underfloor heater - also supplies other hot water outlets and has floor heating coil embedded in concrete |
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| JP2006284071A (en) * | 2005-03-31 | 2006-10-19 | Daiwa House Ind Co Ltd | Solar heating system |
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| CN101701732A (en) * | 2009-11-25 | 2010-05-05 | 中国建筑设计研究院 | Solar energy pebble heat storage heating system |
| CN101876488A (en) * | 2009-11-10 | 2010-11-03 | 武汉理工大学 | Method for arranging structure of heat exchange pipes of concrete heat storage system for solar thermal power generation |
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- 2012-09-03 CN CN2012103213975A patent/CN102865615A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2471557A1 (en) * | 1979-12-12 | 1981-06-19 | Europ Propulsion | Solar heating system supplying underfloor heater - also supplies other hot water outlets and has floor heating coil embedded in concrete |
| US5060718A (en) * | 1989-12-19 | 1991-10-29 | Sergio Capilli | Precast wall with thermic regulation elements |
| CN2830938Y (en) * | 2005-03-16 | 2006-10-25 | 哈密市华海建筑工程有限责任公司 | Low electrical auxilary low tump oradiating heating system using solar collection |
| JP2006284071A (en) * | 2005-03-31 | 2006-10-19 | Daiwa House Ind Co Ltd | Solar heating system |
| CN101876488A (en) * | 2009-11-10 | 2010-11-03 | 武汉理工大学 | Method for arranging structure of heat exchange pipes of concrete heat storage system for solar thermal power generation |
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| CN106128527A (en) * | 2016-07-05 | 2016-11-16 | 中国核动力研究设计院 | The initial operating mode of passive experiment sets up aid system and using method thereof |
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Application publication date: 20130109 |