CN202734303U - High-temperature heat storage and exchange device applied to solar heat power generation - Google Patents
High-temperature heat storage and exchange device applied to solar heat power generation Download PDFInfo
- Publication number
- CN202734303U CN202734303U CN 201220464374 CN201220464374U CN202734303U CN 202734303 U CN202734303 U CN 202734303U CN 201220464374 CN201220464374 CN 201220464374 CN 201220464374 U CN201220464374 U CN 201220464374U CN 202734303 U CN202734303 U CN 202734303U
- Authority
- CN
- China
- Prior art keywords
- heat
- pipe
- heat storage
- storage
- phase
- 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
Links
Images
Classifications
-
- 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
Abstract
The utility model relates to a high-temperature heat storage and exchange device applied to solar heat power generation. The high-temperature heat storage and exchange device comprises an air inlet pipe (1), an inlet air distribution pipe (2), a heat storage chamber box body (5), a heat storage chamber door (6), an outlet air distribution pipe (3), an air outlet pipe (4), a high-temperature phase-change heat storage pipe (7), a high-temperature phase-change heat storage pipe support (8), a heat insulating material and a phase-change heat storage material (9), wherein the heat insulating material is arranged inside/outside the heat storage chamber box body (5); one end of the heat storage chamber door (6) is hinged with an external wall of the heat storage chamber box body (5), and a closed heat storage space is formed by enclosing the heat storage chamber door (6) and the heat storage chamber box body when the heat storage chamber door (6) is closed; the air inlet pipe (1) and the inlet air distribution pipe (2) are arranged at one end of the heat storage chamber box body (5), and the outlet air distribution pipe (3) and the air outlet pipe (4) are arranged at the other end of the heat storage chamber box body (5); and the high-temperature phase-change heat storage pipe (7) is fixed by the high-temperature phase-change heat storage pipe support (8), and the phase-change heat storage material (9) is packaged in the high-temperature phase-change heat storage pipe (7). The high-temperature heat storage and exchange device applied to the solar heat power generation has the characteristics of simple structure, high heat exchange efficiency, safety and reliability.
Description
Technical field
The utility model relates to a kind of storage and releasing device of energy, relates in particular to a kind of high-temperature heat-storage heat-exchanger rig that is applied to solar energy thermal-power-generating.
Background technology
Solar energy is a kind of cleaning, efficiently and never depleted new forms of energy, have pollution-free, take easily characteristics, but arrive the solar radiation of earth surface, energy density is but very low, and be subjected to geography, round the clock with the regular impact that changes such as season, and because of the restriction of the enchancement factors such as fine sexual intercourse, its radiation intensity also constantly changes, and has significant thin property, discontinuity and unstability.In the solar thermal energy electricity generation system, solar thermal collector is sent to receiver to the solar radiant energy of collecting and produces hot-air or vapours, produce electric energy with traditional power cycle, in order to keep the stable incessantly operation of electric supply installation, just need heat-storing device storage of solar energy, when solar energy is not enough, discharge again, thereby satisfied production and the life continuous and stable needs of supplying of energy, so the solar energy high temperature heat storage device is the key technology of solar energy thermal-power-generating, it is for improving system's generating efficiency, raising system power generation stabilization and reliability are significant.
The high-temperature heat-storage system that is used for solar energy thermal-power-generating should have non-oxidizability under good heat insulation effect, the high temperature, can realize that heat accumulation and heat release circulate, simple to operate and safe and reliable and cost is low.High-temperature heat-storage material then should satisfy high storage density, heat accumulation and heat release circulation completely reversibility, good heat conductivity, without high temperature corrosion, good chemical stability and safe and reliable.The heat accumulating that is applied at present solar energy thermal-power-generating has water, conduction oil, refractory concrete and fuse salt etc.Water is little as the heat accumulating energy storage density, and water and conduction oil at high temperature vapour pressure are very large, needs the special equipment such as pressure valve during use, and conduction oil is easy initiation fire also, and price is more expensive; Refractory concrete is as heat accumulating, and very high to its internal heat exchange tubes road requirement, its cost accounts for the 45%-55% of whole heat reservoir cost; Fused salt ubiquity thermal conductivity factor is little, and energy storage density is low to reach the defectives such as operating temperature is low, thereby causes energy-storage system steam parameter comparatively huge and solar energy thermal-power-generating lower.Compare with above-mentioned heat accumulating, the acieral heat accumulating has the advantages such as storage density is large, thermal cycling stability good, thermal conductivity factor is high, cost performance is good, nonflammable, nontoxic, 400 ℃ of high-temperature phase-change heat storages (〉) have larger advantage in using, but the acieral heat accumulating has strong corrosivity when liquid state, and in long-term Process of absorption or liberation of heat cyclic process, multiple electrochemical reaction and physical reactions may occur in heat accumulating and heat vessel storeroom, the hot physical property of obviously corrosion heat vessel material, or change heat accumulating.In addition, phase-change material at phase transition process often with the variation of volume, so appropriate selection heat vessel material is extremely important.Therefore, for the acieral heat accumulating, select corresponding heat vessel material and design corresponding heat-storing device, can be used for solar heat power generation system, so remain further to be carried out for the research of acieral heat-storing device.
Summary of the invention
The purpose of this utility model provides a kind of high-temperature heat-storage heat-exchanger rig that is applied to solar energy thermal-power-generating, and it has characteristics simple in structure, that heat exchange efficiency is high and safe and reliable.
To achieve these goals, the technical solution of the utility model is: a kind of high-temperature heat-storage heat-exchanger rig that is applied to solar energy thermal-power-generating is characterized in that it comprises air inlet pipe 1, air inlet distributing pipe 2, heat accumulation chamber body 5, heat accumulation chamber door 6, the distributing pipe 3 of giving vent to anger, escape pipe 4, high-temperature phase-change heat storage pipe 7, high-temperature phase-change heat storage pipe support 8, insulation material, phase-change heat-storage material 9; Be equipped with insulation material inside and outside the heat accumulation chamber body 5; The outer wall of one end of heat accumulation chamber door 6 and heat accumulation chamber body 5 is hinged, and when heat accumulation chamber door 6 was closed, heat accumulation chamber door 6 and heat accumulation chamber body surrounded the heat accumulation space of sealing; One end of heat accumulation chamber body 5 is provided with air inlet pipe 1, and the other end of air inlet distributing pipe 2, heat accumulation chamber body 5 is provided with the distributing pipe 3 of giving vent to anger, escape pipe 4.High-temperature phase-change heat storage pipe 7 supports 8 by the high-temperature phase-change heat storage pipe and fixes, and is packaged with phase-change heat-storage material 9 in the high-temperature phase-change heat storage pipe 7.
Described high-temperature phase-change heat storage pipe 7 materials are the ceramic-steel multiple tube, described ceramic-steel multiple tube skin is seamless steel pipe 10, internal layer is Corundum Ceramics 11, bottom end cover 12 and upper end cover 13 are the carbon steel steel plate of liner Corundum Ceramics, the high-temperature phase-change heat storage pipe 7 that many specifications are identical is vertically placed and quadrate or equilateral triangle evenly distribute, fill phase-change heat-storage material 9 in the described high-temperature phase-change heat storage pipe 7, described phase-change heat-storage material 9 is the acieral heat accumulating.
The beneficial effects of the utility model are: adopt said structure, it is simple for structure, even when heat transfer medium is the fluid of HTHP, still can guarantee the security reliability of heat reservoir; Phase-change material adopts the acieral heat accumulating, the acieral heat accumulating has suitable phase transition temperature and higher storage density, accelerated the heat exchange between fluid and phase-change heat-storage material, dwindled the volume of heat accumulation capacitance device, thereby improved heat accumulation efficient and the storage density of system, prolong heat reservoir service life, make the carrying out of heat accumulation exothermic process stability and high efficiency.
High-temperature phase-change heat storage pipe 7 materials of the present utility model are the ceramic-steel multiple tube, ceramic-steel multiple tube skin is seamless steel pipe 10, internal layer is Corundum Ceramics 11, bottom end cover 12 and upper end cover 13 are the carbon steel steel plate of liner Corundum Ceramics, can give full play to seamless steel pipe intensity high, good toughness, shock-resistant, good welding performance and Corundum Ceramics high strength, corrosion-resistant, high abrasion, the characteristics of good heat resistance, overcome hardness of seamless steel tube low, wear no resistance, and the poor characteristics of ceramics toughness, the ceramic-steel multiple tube has good anti-corrosion, wear-resisting, heat resistance and mechanical shock and thermal shock resistance properties, the combination properties such as solderability is good, be specially adapted to fill aluminium base high-temperature phase-change heat storage material, the high-temperature phase-change heat storage pipe 7 that many specifications are identical is vertically placed and quadrate or equilateral triangle evenly distribute, can reinforcement and the flow-disturbing degree of hot-air or vapours fluid, the heat exchange efficiency of raising and hot-air or vapours fluid, thus the efficient of whole solar heat power generation system improved.
It is mainly used in solar heat power generation system, and operating temperature range is at 400-700 ℃.
Description of drawings
Fig. 1 is stereogram of the present utility model;
Fig. 2 is front view of the present utility model;
Fig. 3 is that Fig. 2 is along the cutaway view of A-A line;
Fig. 4 is that Fig. 2 is along the cutaway view of B-B line and C-C line;
Fig. 5 is high-temperature phase-change heat storage tubular construction schematic diagram;
Fig. 6 is high-temperature phase-change heat storage pipe supporting construction schematic diagram.
Among the figure: 1. air inlet pipe, 2. air inlet distributing pipe, the distributing pipe of 3. giving vent to anger, 4. escape pipe, 5. heat accumulation chamber body, 6. heat accumulation chamber door, 7. high-temperature phase-change heat storage pipe, 8. the high-temperature phase-change heat storage pipe supports, 9. phase-change heat-storage material, 10. seamless steel pipe, 11. Corundum Ceramics, 12. bottom end covers, 13. upper end covers.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in more detail.
Such as Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Figure 6, a kind of high-temperature heat-storage heat-exchanger rig that is applied to solar energy thermal-power-generating, it comprises air inlet pipe 1, air inlet distributing pipe 2, the distributing pipe 3 of giving vent to anger, escape pipe 4, heat accumulation chamber body 5, heat accumulation chamber door 6, high-temperature phase-change heat storage pipe 7, high-temperature phase-change heat storage pipe support 8, insulation material, phase-change heat-storage material 9;
Heat accumulation chamber body 5 is cube, and heat accumulation locular wall face adopts resistant to elevated temperatures steel plate to make, and in order to reduce thermal loss, the indoor outer wall of heat accumulation is provided with insulation material; The outer wall of one end of heat accumulation chamber door 6 and heat accumulation chamber body 5 is hinged, and when heat accumulation chamber door 6 was closed, heat accumulation chamber door 6 and heat accumulation chamber body surrounded the heat accumulation space of sealing; One end of heat accumulation chamber body 5 is provided with air inlet pipe 1, air inlet distributing pipe 2, and the other end of heat accumulation chamber body 5 is provided with the distributing pipe 3 of giving vent to anger, escape pipe 4;
High-temperature phase-change heat storage pipe 7 is arranged in the heat accumulation chamber body, the many identical high-temperature phase-change heat storage pipes 7 of specification are vertically arranged, and quadrate or equilateral triangle evenly distribute, be packaged with heat-storing material in the high-temperature phase-change heat storage pipe 7, high-temperature phase-change heat storage pipe 7 supports 8 by the high-temperature phase-change heat storage pipe and fixes, and the material of high-temperature phase-change heat storage pipe support 8 is wire;
High-temperature phase-change heat storage pipe 7 materials are the ceramic-steel multiple tube, ceramic-steel multiple tube skin is seamless steel pipe 10, internal layer is Corundum Ceramics 11, and bottom end cover 12 and upper end cover 13 are the carbon steel steel plate of liner Corundum Ceramics, the corrosion that the unique institutional framework of this pipe can be born aluminium base heat accumulating.
Insulation material can adopt aluminosilicate refractory fiber or aluminosilicate refractory fiber and mineral wool board combination insulation material, and the thickness of heat-insulation layer is selected to depend on that the heat accumulation temperature is to the requirement of heat waste.
Phase-change heat-storage material 9 is the acieral heat accumulating, and heat accumulating can be controlled at fusion temperature between 450-570 ℃ by different proportionings, can select as required.
During the accumulation of heat of high-temperature heat-storage heat-exchanger rig, high-temperature gas through the solar thermal collector heating makes fluid well-distributing ground import in the heat accumulation space by air inlet pipe and air inlet distributing pipe, hot fluid is with the phase-change heat-storage material in the heat transferred high-temperature phase-change heat storage pipe, phase-change heat-storage material gradually becomes liquid by solid-state, because the acieral heat accumulating has very large energy storage density, therefore can store a large amount of heat energy in the whole device, and Thermal Conductivity by Using is large, in the process that melts and solidify, has faster heat transfer efficiency, thereby making heat energy constantly be converted into latent heat is stored in the phase-change material, the fluid that has discharged heat flows out through give vent to anger distributing pipe and gas outlet, through behind the certain hour, the solid-state phase changes heat accumulating is converted into the liquid maximization that realizes the heat storage fully, stops the turnover of hot fluid.When solar energy weakens or need to utilize heat energy, make cold fluid along the path flows same with hot fluid, this moment, cold fluid was by in the casing of phase-change thermal storage heat-exchanger rig, phase-change heat-storage material is changed into the heat of solid-state release storage gradually by liquid state, cold fluid is heated gradually, after heat accumulating is emitted the part heat, the liquid of heat exchanger tube internal face solidifies gradually, increase along with thermal discharge, phase-change heat-storage material is faded to solid-state by liquid state, until all change into solid-state after, release heat no longer, this moment, the temperature of cold fluid was elevated to peak, and capable of circulation the reusing of heat accumulation heat release process realized cold, high efficient heat exchanging between hot fluid and the solid-liquid phase change heat accumulating.
The manufacture craft of high-temperature phase-change heat storage pipe is complicated, and its preparation method is as follows:
(1) designs as required the high-temperature phase-change heat storage pipe of suitable dimension;
(2) high-temperature phase-change heat storage tube cylinder material adopts the ceramic-steel multiple tube, its skin is seamless steel pipe, internal layer is Corundum Ceramics, end cap utilizes ceramic-metal produced with combination know-why up and down, namely adopt glue to make binding agent, by bonding wear resistant ceramic chip is compounded on the carbon steel surface of steel plate, forms the surface with excellent wear-resisting property;
(3) by processing heat storage tube cylindrical shell, upper end cover, bottom end cover for subsequent use by part drawing shown in Fig. 5;
(4) first heat storage tube cylindrical shell and bottom end cover are welded together;
(5) pulverous phase-change heat-storage material is poured in the heat storage tube cylindrical shell, consider volumetric expansion, can not fill fully;
(6) upper end cover and heat storage tube barrel soldering are in the same place, seal for subsequent use to the high-temperature phase-change heat storage pipe.
Claims (3)
1. a high-temperature heat-storage heat-exchanger rig that is applied to solar energy thermal-power-generating is characterized in that it comprises that air inlet pipe (1), air inlet distributing pipe (2), heat accumulation chamber body (5), heat accumulation chamber door (6), the distributing pipe of giving vent to anger (3), escape pipe (4), high-temperature phase-change heat storage pipe (7), high-temperature phase-change heat storage pipe support (8), insulation material, phase-change heat-storage material (9); Be equipped with insulation material inside and outside the heat accumulation chamber body (5); The outer wall of one end of heat accumulation chamber door (6) and heat accumulation chamber body (5) is hinged, and heat accumulation chamber door (6) is when closing, and heat accumulation chamber door (6) and heat accumulation chamber body surround the heat accumulation space of sealing; One end of heat accumulation chamber body (5) is provided with air inlet pipe (1), and the other end of air inlet distributing pipe (2), heat accumulation chamber body (5) is provided with the distributing pipe of giving vent to anger (3), escape pipe (4); It is fixing that high-temperature phase-change heat storage pipe (7) supports (8) by the high-temperature phase-change heat storage pipe, is packaged with phase-change heat-storage material (9) in the high-temperature phase-change heat storage pipe (7).
2. described a kind of high-temperature heat-storage heat-exchanger rig that is applied to solar energy thermal-power-generating according to claim 1, it is characterized in that, described high-temperature phase-change heat storage pipe (7) material is the ceramic-steel multiple tube, described ceramic-steel multiple tube skin is seamless steel pipe (10), internal layer is Corundum Ceramics (11), bottom end cover (12) and upper end cover (13) are the carbon steel steel plate of liner Corundum Ceramics, and the many identical high-temperature phase-change heat storage pipes (7) of specification are vertically placed and quadrate or equilateral triangle distribution.
According to claim 1 with 2 described a kind of high-temperature heat-storage heat-exchanger rigs that are applied to solar energy thermal-power-generating, fill phase-change heat-storage material (9) in the high-temperature phase-change heat storage pipe (7), described phase-change heat-storage material (9) is the acieral heat accumulating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220464374 CN202734303U (en) | 2012-09-13 | 2012-09-13 | High-temperature heat storage and exchange device applied to solar heat power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220464374 CN202734303U (en) | 2012-09-13 | 2012-09-13 | High-temperature heat storage and exchange device applied to solar heat power generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202734303U true CN202734303U (en) | 2013-02-13 |
Family
ID=47659996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220464374 Expired - Fee Related CN202734303U (en) | 2012-09-13 | 2012-09-13 | High-temperature heat storage and exchange device applied to solar heat power generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202734303U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914068A (en) * | 2012-09-13 | 2013-02-06 | 河北科技大学 | High temperature heat storage and exchange device applied to solar thermal power plant |
| CN104344757A (en) * | 2013-07-24 | 2015-02-11 | 国电新能源技术研究院 | Novel metal phase change heat accumulation heat exchanger |
| CN105890193A (en) * | 2016-06-30 | 2016-08-24 | 赵小峰 | Reinforced heat exchange structure of high-temperature heat storage device and high-temperature heat storage device with reinforced heat exchange structure |
| CN110132040A (en) * | 2019-06-18 | 2019-08-16 | 浙江百立盛新能源科技有限公司 | The controllable mutually separation of one kind and efficient inorganic compounding phase transformation multipotency thermal storage device |
-
2012
- 2012-09-13 CN CN 201220464374 patent/CN202734303U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914068A (en) * | 2012-09-13 | 2013-02-06 | 河北科技大学 | High temperature heat storage and exchange device applied to solar thermal power plant |
| CN104344757A (en) * | 2013-07-24 | 2015-02-11 | 国电新能源技术研究院 | Novel metal phase change heat accumulation heat exchanger |
| CN105890193A (en) * | 2016-06-30 | 2016-08-24 | 赵小峰 | Reinforced heat exchange structure of high-temperature heat storage device and high-temperature heat storage device with reinforced heat exchange structure |
| CN105890193B (en) * | 2016-06-30 | 2018-10-16 | 赵小峰 | A kind of enhanced heat exchange structure of high-temperature heat storage device and the high-temperature heat storage device with the structure |
| CN110132040A (en) * | 2019-06-18 | 2019-08-16 | 浙江百立盛新能源科技有限公司 | The controllable mutually separation of one kind and efficient inorganic compounding phase transformation multipotency thermal storage device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101738120B (en) | Sensible heat-latent heat compound thermal storage device | |
| CN100578133C (en) | High-temperature heat-storing device using concrete and heat storage method thereof | |
| CN104153954B (en) | Multi-mode tower type solar energy thermal power generation device | |
| CN203274568U (en) | Fused salt tank | |
| CN106595084B (en) | A kind of combined module type phase transition thermal storage water tank | |
| CN202973605U (en) | Phase-change heat storage device and solar heating system | |
| CN202734303U (en) | High-temperature heat storage and exchange device applied to solar heat power generation | |
| CN101782340A (en) | Multi-stage type high-efficiency bellows waste heat recovery device | |
| CN103673704A (en) | Heat storage and heat exchange equipment | |
| CN105509019A (en) | Ceramic-matrix high-temperature fused-salt phase-change heat-storage type off-peak electricity utilizing and steam generating device | |
| CN102914068A (en) | High temperature heat storage and exchange device applied to solar thermal power plant | |
| CN104142079B (en) | A kind of heat accumulation-heat transmission equipment | |
| CN101158508B (en) | Electrothermic metal phase changing accumulation energy hot-water hot blast dual-purpose device | |
| CN108709446A (en) | A kind of removable quick thermal storage and energy accumulation device of latent heat-sensible heat-latent heat step phase transformation | |
| CN103791629A (en) | Phase-change heat-storage-type solar collector | |
| CN202613802U (en) | High temperature heat accumulation and heat exchange device for solar thermal power generation | |
| CN103591690B (en) | A kind of phase change heat storage jacket type water tank | |
| CN106679478A (en) | High-efficiency heat storage and heat exchange device based on composite phase change heat storage material layer | |
| CN103557733B (en) | Suspended sensible heat-latent heat type heat accumulation device for solar heating | |
| CN206583342U (en) | A kind of high effective heat-storage heat-exchanger rig based on composite phase-change heat-storage material layer | |
| CN205332330U (en) | Double -phase heat accumulation formula electric boiler of solid -liquid | |
| CN202814181U (en) | Heat storing-heat exchanging device | |
| CN105091367A (en) | Solar heat storage device based on hydrous salts | |
| CN101818951B (en) | Bushing-type high temperature heat storage device applied to solar heat utilization | |
| CN108180098A (en) | Diesel-driven generator cold-starting pre-heating system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20130913 |