CN203744579U - Solar energy collection and thermal storage system - Google Patents

Solar energy collection and thermal storage system Download PDF

Info

Publication number
CN203744579U
CN203744579U CN201320724828.2U CN201320724828U CN203744579U CN 203744579 U CN203744579 U CN 203744579U CN 201320724828 U CN201320724828 U CN 201320724828U CN 203744579 U CN203744579 U CN 203744579U
Authority
CN
China
Prior art keywords
heat
sampler
heat exchange
pipeline
solar energy
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201320724828.2U
Other languages
Chinese (zh)
Inventor
李建民
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Aonengpu Technology Co Ltd
Original Assignee
Chengdu Aonengpu Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chengdu Aonengpu Technology Co Ltd filed Critical Chengdu Aonengpu Technology Co Ltd
Priority to CN201320724828.2U priority Critical patent/CN203744579U/en
Application granted granted Critical
Publication of CN203744579U publication Critical patent/CN203744579U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/44Heat exchange systems

Landscapes

  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

The utility model provides a solar energy collection and thermal storage system, which can perform heat exchange between the heat energy collected from the solar energy to a heat accumulator for utilization. The solar energy collection and thermal storage system adopts the form of fluid heat exchange, and is composed of a solar energy vacuum tube or a plate collecting device, a heat exchange device, a thermal storage material, and a casing, wherein the thermal storage material is mounted inside the casing; the collecting device is arranged outside the casing; the heat exchange device is arranged between the collecting device and the casing which contains the thermal storage material, so that heat exchange is performed by the heat exchange device, and the heat energy collected from the solar energy is directly stored through the heat exchanger. According to the utility model, the heat exchange device is arranged to realize large-scaled collecting of the solar energy and large-scaled heat exchange; the existing solar energy vacuum tube or the plate collecting system is provided with the heat exchange device and the thermal storage material, so that heat exchange and heat-retaining capacity of the thermal storage material are improved, and large-scaled collecting and utilizing of the solar energy are realized.

Description

Solar energy acquisition hold over system
Technical field
The utility model relates to heat energy utilization, particularly utilizes the accumulation of heat utilization of solar heat acquisition system and across season, utilizes on a large scale.
Background technology
Existing solar electrical energy generation mainly contains two kinds of photovoltaic and photo-thermal, and photovoltaic generation needs silicon or other special materials to generate electricity, and photo-thermal power generation has solar low-temperature, slot type, tower and butterfly.Thermoelectricity is mainly large-scale generating, lacks the heat generating system of small-scale, family oriented, cost degradation, and existing solar vacuum heat-collecting pipe and flat board are mainly used in solar water heater simultaneously.
Solar low-temperature heat utilization is mainly the utilizations such as hot water and heating, also can be for refrigeration, but be to belong to same day this season to use substantially, be also mainly to take family and small-scale use as main, main cause be its storage and acquisition capacity limited, thereby cannot be on a large scale, across using season.
If realized across using season, first need to improve storage heater, storage heater is the equipment that heat energy is stored, existing storage heater is steam type and liquid heat storage device;
In industrial energy saving field, waste heat is reclaimed and stored, conventionally adopt phase change technique to carry out accumulation of heat, in low temperature field, adopt ice-reserving technology to realize accumulation of heat;
In field of solar energy, adopt fuse salt accumulation of heat, although fuse salt can be realized the storage of high temperature, but because it need to be liquid from Solid State Transformation, thereby need heat energy to be heated, the simultaneously toxicity of fuse salt, economical, security also has problems, thereby the use of fuse salt accumulation of heat is restricted.
In field of solar energy, also adopt air or other gas to carry out accumulation of heat, but its hot melt is little, cannot realize large-scale thermal energy storage.
Storage station adopts electric energy to store, the electric energy that particularly wind-powered electricity generation and photovoltaic form, and because it cannot realize storage, thereby a large amount of the abandoning of having to, cause a large amount of wastes.If adopt heat energy to store, need to possess the holder of powerful storage capacity.
How to realize the organic combination of solar energy acquisition and accumulation of heat, and be suitable for the large-scale use across season, this is the use for solar cross-season, urgent problem.
Rely on existing vacuum tube or dull and stereotyped acquisition system, prior art is mainly for the hot water application of using every day, even if it stores, is also to adopt water as medium, cannot realize on a large scale across using season.
Summary of the invention
The purpose of this utility model is to provide a kind of solar energy acquisition hold over system, can realize extensive, low cost, high efficiency, across the use in season, the utility model adopts solar heat acquisition system, adopt the solar energy system of Nontracking, heat energy after solar energy acquisition and storage heater are exchanged, then utilize.
The utility model adopts fluid heat transfer form, by solar energy vacuum tube or dull and stereotyped sampler, heat exchange device, heat-storing material and housing, formed, heat-storing material is encased in housing, sampler is arranged on hull outside, heat exchange device is arranged on sampler and is equipped with between the housing of heat-storing material and carries out heat exchange, and the heat energy of solar energy acquisition is directly stored by heat exchanger.The utility model has been realized the large-scale collection of solar energy and the exchange of heat energy by heat exchange device is set, by existing solar energy vacuum tube or dull and stereotyped acquisition system by heat exchange device being set and increasing the heat exchange area of the part of heat-storing material, can increase the heat exchange of heat-storing material and heat storage capacity like this, realize extensive collection and the utilization of solar energy.
Solar energy acquisition turns the structure of a body of wall into, thereby can provide a kind of large-scale collection and stocking system that be suitable for, a side that solar low-temperature collecting part is arranged on to body of wall, inside cavity is provided with heat-storing material, thereby realizes collection and the storage integrated of heat energy;
The utility model, by collection and the storage of wall body structure, can be realized large-scale collection and storage, particularly can realize collection and use across season.
Of the present utility modelly also provide a kind of storage heater that possesses locomotive function, can gather by solar energy wall body, after rear and storage heater exchanges, storage heater is moved, to a region that needs heat energy, and then utilize.
Concrete summary of the invention is as follows:
Solar energy acquisition hold over system, comprises solar energy acquisition device, heat-storing material, and sampler, insulation material, housings etc., is characterized in that:
Sampler, heat exchange device, heat-storing material and housing, consist of, heat-storing material is encased in housing, and sampler is arranged on hull outside, and heat exchange device is arranged on sampler and is equipped with between the housing of heat-storing material and carries out heat exchange;
Comprise at least one vacuum tube or dull and stereotyped low-temperature solar energy sampler, sampler can be converted to heat energy by solar energy, be provided with a heat exchange device heat energy of sampler collection is carried out to heat exchange, heat exchange device is by closed loop pipeline, power set are provided, fluid, fluid tank forms, fluid is providing under power set driving and can in pipeline, closed loop flow, closed loop pipeline is flowed through sampler also, housing also carries out heat exchange with heat-storing material, thereby realize transmission and the exchange of heat energy, part setting and the sampler of heat exchange device carry out heat exchange, a part is carried out heat exchange with heat-storing material in addition, a heat exchange device part is arranged in sampler, remainder is arranged on outside sampler, the heat exchange area of the heat exchange device of sampler outside is greater than the heat exchange area of sampler inside, the heat exchanger of sampler outside directly contacts with heat-storing material, and carry out heat exchange with heat-storing material,
Heat-storing material stores heat energy, for the storage of solar energy of different scales or across the storage in season.
Described heat exchanger is to have descended a kind of or how its mixing:
A, each sampler are provided with a heat exchange device;
B, a plurality of sampler are provided with a heat exchange device, the pipeline of the pipeline of heat exchange device at least containing a closed loop, on pipeline, be provided with power set and fluid tank, pipe interior enters in another one sampler from a sampler, between sampler, be not connected in series, from fluid acquisition device flows out, enter the pipeline being connected with heat-storing material, realize with heat-storing material and carry out heat exchange;
C, a plurality of samplers are provided with a heat exchange device, on each sampler, be provided with import and outlet conduit, the pipeline of closed loop is interconnected and is formed by two groups of general import pipelines and general export pipeline, one group is sampler general import and outlet conduit, another group is heat-storing material general import and outlet conduit, sampler general import pipeline is connected with the inlet pipeline that each is arranged on sampler, and make fluid can enter into sampler inside, the outlet conduit that general export pipeline and each of sampler is arranged on sampler is connected, fluid enters into heat-storing material general import pipeline through sampler general export pipeline, and with heat-storing material heat exchange after from heat-storing material general export pipeline, flow out, circulation enters sampler general import pipeline again, thereby realize heat exchange circulation, fluid in fluid tank completes Fluid Circulation under the driving that power set are provided.
Described sampler select from following one or more:
A, vacuum tube acquisition system;
B, dull and stereotyped acquisition system;
C, heat-pipe vacuum-tube acquisition system;
D, the dull and stereotyped acquisition system of heat pipe;
E, CPC vacuum tube acquisition system;
F, CPC heat pipe acquisition system.
Described heat-storing material, comprises one or more in sensible heat heat-storing material, latent-heat storage, phase change heat storage material, chemical heat-accumulating material.
Sensible heat heat-storing material, comprises water, conduction oil, steel slag and iron slag, mine tailing (comprising the remaining ore in sand form of ore deposit factory ore dressing), solid grain piece, concrete; Described solid grain piece is particle or/and the fragment of brick by metal or nonmetal or its compositions of mixtures, or nature exists the amount grains of sand, cobblestone, finger stone, solid grain piece be shaped as circle, polygon, rhombus, fan-shaped, irregular present situation.
Described fluid adopt following one or more:
A, liquid: comprise water, conduction oil, fuse salt, liquid metal;
B, gas;
C, plasma;
D, supercritical fluid.
Described heat-storing material is arranged in a container or a construction wall, container or body of wall prolong North and South direction or east-west direction construction, for the body of wall of building according to North and South direction, its solar low-temperature acquisition system is arranged on the east or the west of body of wall, and the east and west; The body of wall of building for east-west direction, its solar low-temperature acquisition system is arranged on the south of body of wall.
Insulation material selects to be listed as a bit one or more: the solar energy acquisition hold over system of nano microsphere, silicon powder, vacuum layer, polyurethane, polyphenyl, perlite, glass fibre, insulating cement or multiple.
Described pipeline is comprised of metal, nonmetal or its compound pipeline complex pipeline, on pipeline, be provided with fin with heat-storing material contact portion or the part in the sampler of pipeline, the surface of shell of the pipeline in sampler scribbles solar energy conversion coating, solar energy can be converted to heat energy.
Heat-storing material is encased in housing, and housing is outside equipped with insulation material.
Adopt the technical solution of the utility model can produce following beneficial effect:
1, the utility model is realized the extensive solar low-temperature heat utilization across season;
2, the utility model can be used low temperature acquisition system effectively, has realized collection and the storage of heat energy, realized again heat energy across using season.
3, the utility model can be applied to the multiple application such as solar low-temperature heat utilization.
Accompanying drawing explanation
Fig. 1 mixes to connect solar energy acquisition hold over system schematic diagram;
Fig. 2 is solar energy acquisition hold over system schematic diagram in parallel;
Fig. 3 is that series-connected solar gathers hold over system schematic diagram.
Number in the figure implication:
1: housing, 2: fluid tank, 3: power set, 4: heat-storing material, 5: flat plate collector 6: solar low-temperature acquisition system, 7: vacuum tube collector, 8: solar energy coating, 9: sampler general import pipeline, 10: sampler general import pipeline, 11: heat-storing material general import pipeline, 12: heat-storing material general export pipeline, 13: sampler general export pipe outlet, 14: the import of sampler general import pipe, 15: the import of heat-storing material general import pipe, 16: the outlet of heat-storing material general export pipe, 17: soil, 18: heat-storing material section of tubing.
The specific embodiment
Embodiment 1, mixing connect solar energy acquisition hold over system
Shown in Fig. 1, comprise housing 1, housing 1 is set up in the region on ground, is provided with heat-storing material 4 in housing 1; Comprise at least one group of plate solar acquisition system 5 and one group of vacuum tube collecting part 7, be provided with heat exchange device, fluid casing 3 and power set 2, the fluid line series connection of solar energy acquisition system 5,7 connects, and then enters into heat-storing material general import pipeline 11 and enters into housing, fluid carries out heat exchange by a pipeline in parallel and heat-storing material, after completing heat exchange, from heat-storing material general export pipeline 12, flow out, solar energy acquisition device 5 connects, and realizes the exchange of heat energy; On pipeline in solar energy acquisition system 6, be provided with solar energy coating 8, solar energy is converted to heat energy through coating 8, and heat energy, through the circulation of heat exchange device fluid, to storage heater, is realized collection and the storage of solar energy by thermal energy transfer.
Embodiment 2 solar energy acquisition hold over system in parallel
Figure 2 shows that building integrated solar gathers hold over system, housing is arranged on the building southern side of 9 layers, the height that housing and building are same, solar energy acquisition system is comprised of 7 layer solar vacuum tube acquisition systems, be provided with two groups of inlet pipelines and outlet conduit, one group is sampler general import 9 and general export 10 pipelines, another group is heat-storing material general import 11 and general export 12 pipelines, sampler general import 9 pipelines are connected with a plurality of pipelines that are arranged on sampler inside, and make fluid can enter into the pipeline of sampler inside, the outlet conduit of sampler is connected with sampler general export 10 pipelines, by sampler outlet conduit general export 13, enter into heat-storing material general import conduit entrance 15, heat-storing material general import pipeline 11 enters into heat-storing material general export pipeline 12 by fluid by being arranged on heat-storing material general import pipeline 11, by heat-storing material general export pipe outlet 16, enter into again the import 14 of sampler general import pipeline, thereby realize heat exchange circulation, fluid in fluid tank 2 completes Fluid Circulation under the driving of power set 3.
Embodiment 3 series-connected solars gather hold over system
Figure 3 shows that solar energy acquisition device 6 is arranged on ground, housing and heat-storing material are arranged on below ground to be liked, is provided with heat-storing material 4 in housing 1; Comprise at least two group plate solar acquisition systems 5, more than solar energy acquisition part 5 arranges earth's surface;
Be provided with heat exchange device solar energy acquisition device and heat-storing material are carried out to heat exchange, be provided with on the ground fluid tank 2 and power set 3 are provided, fluid flows under the driving of power supplying apparatus 3 in heat exchange device pipeline, from plate solar acquisition system 5 by fluid heating, heated fluid enters into housing 1 after flowing out from plate solar acquisition system, by being arranged on pipeline in heat-storing material housing, complete the heat exchange with heat-storing material again, the area of pipeline in heat-storing material is greater than the area in plate solar, assurance can be carried out heat exchange to the heat-storing material of large volume, heat exchange device pipeline is the closed-loop path pipeline of a series connection, fluid can flow in circulating line.
According to theory and structure of the present utility model, can design other case study on implementation, as long as meet theory and structure of the present utility model, all belong to enforcement of the present utility model.

Claims (9)

1. solar energy acquisition hold over system, comprises solar energy acquisition device, heat-storing material, and sampler, insulation material, housing, is characterized in that:
Sampler, heat exchange device, heat-storing material and housing, consist of, heat-storing material is encased in housing, and sampler is arranged on hull outside, and heat exchange device is arranged on sampler and is equipped with between the housing of heat-storing material and carries out heat exchange;
Comprise at least one vacuum tube or dull and stereotyped low-temperature solar energy sampler, sampler can be converted to heat energy by solar energy, be provided with a heat exchange device heat energy of sampler collection is carried out to heat exchange, heat exchange device is by closed loop pipeline, power set are provided, fluid, fluid tank forms, fluid is providing under power set driving and can in pipeline, closed loop flow, the closed loop pipeline sampler of flowing through, housing also carries out heat exchange with heat-storing material, thereby realize transmission and the exchange of heat energy, part setting and the sampler of heat exchange device carry out heat exchange, a part is carried out heat exchange with heat-storing material in addition, a heat exchange device part is arranged in sampler, remainder is arranged on outside sampler, the heat exchange area of the heat exchange device of sampler outside is greater than the heat exchange area of sampler inside, the heat exchanger of sampler outside directly contacts with heat-storing material, and carry out heat exchange with heat-storing material,
Heat-storing material stores heat energy, for the storage of solar energy of different scales or across the storage in season.
2. solar energy acquisition hold over system according to claim 1, is characterized in that: described heat exchange device is following one or more mixing:
A, each sampler are provided with a heat exchange device;
B, a plurality of sampler are provided with a heat exchange device, the pipeline of the pipeline of heat exchange device at least containing a closed loop, on pipeline, be provided with one power set and fluid tank are provided, pipe interior enters in another one sampler from a sampler, between sampler, be not connected in series, from fluid acquisition device flows out, enter the pipeline being connected with heat-storing material, realize with heat-storing material and carry out heat exchange;
C, a plurality of samplers are provided with a heat exchange device, on each sampler, be provided with import and outlet conduit, the pipeline of closed loop is interconnected and is formed by two groups of general import pipelines and general export pipeline, one group is sampler general import and general export pipeline, another group is heat-storing material general import and general export pipeline, sampler general import pipeline is connected with the inlet pipeline that each is arranged on sampler, and make fluid can enter into sampler inside, the outlet conduit that general export pipeline and each of sampler is arranged on sampler is connected, fluid enters into heat-storing material general import pipeline through sampler general export pipeline, and with heat-storing material heat exchange after from heat-storing material general export pipeline, flow out, circulation enters sampler general import pipeline again, thereby realize heat exchange circulation, fluid in fluid tank completes Fluid Circulation under the driving that power set are provided.
3. solar energy acquisition hold over system according to claim 1, is characterized in that: described sampler select from following one or more:
A, vacuum tube acquisition system;
B, dull and stereotyped acquisition system;
C, heat-pipe vacuum-tube acquisition system;
D, the dull and stereotyped acquisition system of heat pipe;
E, CPC vacuum tube acquisition system;
F, CPC heat pipe acquisition system.
4. solar energy acquisition hold over system according to claim 1, is characterized in that: described heat-storing material, comprises one or more in sensible heat heat-storing material, latent-heat storage, phase change heat storage material, chemical heat-accumulating material.
5. solar energy acquisition hold over system according to claim 4, is characterized in that: sensible heat heat-storing material, comprises water, conduction oil, steel slag and iron slag, mine tailing, solid grain piece, concrete; Described solid grain piece is particle or/and the fragment of brick by metal or nonmetal or its compositions of mixtures, or the nature grains of sand, cobblestone, the finger stone that exist, solid grain piece be shaped as circle, polygon, fan-shaped.
6. solar energy acquisition hold over system according to claim 1, is characterized in that: described fluid adopt following one or more:
A, liquid: comprise water, conduction oil, fuse salt, liquid metal;
B, gas;
C, plasma;
D, supercritical fluid.
7. solar energy acquisition hold over system according to claim 1, it is characterized in that: described heat-storing material is arranged in a container or a construction wall, container or body of wall prolong North and South direction or east-west direction construction, for the body of wall of building according to North and South direction, its solar low-temperature acquisition system is arranged on the east or the west of body of wall, and the east and west; The body of wall of building for east-west direction, its solar low-temperature acquisition system is arranged on the south of body of wall.
8. solar energy acquisition hold over system according to claim 1, it is characterized in that: described pipeline is comprised of metal, nonmetal or its compound pipeline complex pipeline, on pipeline, be provided with fin with heat-storing material contact portion or the part in the sampler of pipeline, the surface of shell of the pipeline in sampler scribbles solar energy conversion coating, solar energy can be converted to heat energy.
9. according to the solar energy acquisition hold over system described in claim 1 or 8, it is characterized in that: heat-storing material is encased in housing, and housing is outside equipped with insulation material.
CN201320724828.2U 2013-11-17 2013-11-17 Solar energy collection and thermal storage system Expired - Fee Related CN203744579U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320724828.2U CN203744579U (en) 2013-11-17 2013-11-17 Solar energy collection and thermal storage system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320724828.2U CN203744579U (en) 2013-11-17 2013-11-17 Solar energy collection and thermal storage system

Publications (1)

Publication Number Publication Date
CN203744579U true CN203744579U (en) 2014-07-30

Family

ID=51344369

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320724828.2U Expired - Fee Related CN203744579U (en) 2013-11-17 2013-11-17 Solar energy collection and thermal storage system

Country Status (1)

Country Link
CN (1) CN203744579U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104653418A (en) * 2013-11-17 2015-05-27 成都奥能普科技有限公司 Solar acquisition heat accumulating system
CN104864613A (en) * 2015-05-29 2015-08-26 赵小峰 Heat storage device
CN105318759A (en) * 2015-02-07 2016-02-10 成都奥能普科技有限公司 Solid particle high-temperature heat transfer and pulse driving heat transfer system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104653418A (en) * 2013-11-17 2015-05-27 成都奥能普科技有限公司 Solar acquisition heat accumulating system
CN105318759A (en) * 2015-02-07 2016-02-10 成都奥能普科技有限公司 Solid particle high-temperature heat transfer and pulse driving heat transfer system
CN104864613A (en) * 2015-05-29 2015-08-26 赵小峰 Heat storage device

Similar Documents

Publication Publication Date Title
CN203744582U (en) Heat pipe and system for collection of solar energy thermal storage heat pipe
CN104653418A (en) Solar acquisition heat accumulating system
CN103542554B (en) A kind of solar energy hot-cast socket without flowing mass transfer heat exchanging process and energy storage device
CN103115443A (en) Single tank phase change thermal storage device for solar energy
CN104653329A (en) Heat accumulating type stirling generator set and mobile unit
CN104930729A (en) Solar middle temperature hot air system storing heat by means of phase-change materials
CN203744579U (en) Solar energy collection and thermal storage system
CN104654614A (en) Heat pipe and system for collection of solar energy heat storage heat pipe
CN104654859A (en) Heat accumulating type heat exchanger
CN104654845A (en) Solid particle block gravity heat tube heat accumulator
CN103775144B (en) High concentrating solar photo-thermal direct-evaporation-type positive fluid pressure cycle generating system
CN104654623A (en) Low-temperature solar energy underground heat accumulation system
CN204006730U (en) Low-temperature solar energy photovoltaic and photothermal accumulation of heat electric heating co-generation system
CN104654618A (en) Three-cavity fluid focus solar photothermal heating heat transfer heat accumulating system
CN203744575U (en) Single-cavity heat accumulating type system for heating, heat transferring and heat accumulating of concentrated solar thermal through fluids
CN104654847A (en) Fluid heat pipe heat storage device and heat storage vehicle
CN208687831U (en) Thermal conductivity temperature-constant building material cell and building system
CN102538219A (en) Solar energy integrated application system and implementation method thereof
CN203824123U (en) Low-temperature solar underground heat accumulation system
CN104654616A (en) Two-cavity fluid focusing solar light heat heating, transferring, storing system
CN203671959U (en) Three-cavity fluid focused solar energy photo-thermal heating, heat transmission and heat storage system
CN203671960U (en) Two-cavity fluid focusing solar optothermal heating, heat transfer and heat storage system
CN203744577U (en) Single-cavity system for heating, heat transferring and heat accumulating of focused solar thermal through fluids
CN104654860A (en) Single-chamber heat accumulating type fluid petroleum heating system
CN104654622A (en) Low temperature solar energy-collecting double-chamber heat accumulation wall system

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140730

Termination date: 20141117

EXPY Termination of patent right or utility model