CN101004308A - Cold, heat accumulator of composite phase change - Google Patents
Cold, heat accumulator of composite phase change Download PDFInfo
- Publication number
- CN101004308A CN101004308A CNA2007100367720A CN200710036772A CN101004308A CN 101004308 A CN101004308 A CN 101004308A CN A2007100367720 A CNA2007100367720 A CN A2007100367720A CN 200710036772 A CN200710036772 A CN 200710036772A CN 101004308 A CN101004308 A CN 101004308A
- Authority
- CN
- China
- Prior art keywords
- phase change
- cold
- storage
- heat
- 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.)
- Pending
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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Landscapes
- Other Air-Conditioning Systems (AREA)
Abstract
A composite phase change cool/heat accumulator is prepared for placing phase change cool accumulation body and phase change heat accumulation body being arranged alternatively in energy accumulation material container, entering cool-carrying agent or heat-carrying agent into composite phase change cool/heat accumulator through liquid inlet tube in energy accumulation process, carrying out energy exchange with cool/heat accumulation bodies to finalize cool/heat accumulation and supply process then flowing said agents out through liquid outlet tube.
Description
Technical field
What the present invention relates to is a kind of energy storage equipment, relates in particular to a kind of cold, heat accumulator of composite phase change, belongs to the thermal power field of engineering technology.
Background technology
Energy accumulating technique is the important method that solves energy resource supply and energy resource consumption coupling contradiction, is to implement the important means that the user then manages, and energy accumulating technique has the function of peak load shifting, can improve efficiency of energy utilization greatly, is the best approach that solves China's power tense.The phase-transition heat-storage technology is the big class energy-storage method of one in the energy accumulating technique, and the phase change cold-storage accumulation of heat stores heat by the phase transformation of medium, compares with sensible heat, and it has energy storage density height, and storage, the approximate isothermal of heat release process, easily and plurality of advantages such as operational system coupling.The phase change cold-storage storage heater is the nucleus equipment of phase-changing energy-storing power supply device system.
Traditionally, the energy storage equipment that is used to store cold is called regenerator, and the energy storage equipment that is used for store heat is called storage heater, and regenerator is usually used in people's summer cooling apparatus system, and storage heater is usually used in people's Winter heat supply apparatus system.Phase-changing energy storage material has only a phase transition temperature mostly, and (generally between-5～15 ℃) that phase transition temperature is lower are called phase change cold accumulating agent, as field of air conditioning " ice " commonly used; Higher (generally between 30～90 ℃) of phase transition temperature are called phase change heat storage material, as heat-storing material " paraffin ", " crystalline hydrate " etc.
Disclosed document shows also there is not a kind of phase-changing energy-storing device, can encapsulate two kinds of energy storage materials of phase change simultaneously in it, promptly encapsulates phase change cold accumulating agent and phase change heat storage material simultaneously.That is to say that when current phase-changing energy-storing device was used as regenerator, encapsulation was phase change cold accumulating agent in it, when this phase-changing energy-storing device was used for accumulation of heat, this accumulator can only be stored sensible heat, and its heat-retaining is less relatively; When current phase-changing energy-storing device was used for storage heater, encapsulation was phase change heat storage material in it, when this accumulator is used for cold-storage, also can only store sensible heat, and its storage cold energy power is less relatively.
Summary of the invention
The objective of the invention is in order to overcome the deficiencies in the prior art, provide a kind of and can encapsulate cold-storage, two kinds of energy storage materials of phase change of accumulation of heat simultaneously, can be used for the cold, heat accumulator of composite phase change of cool-storage in summer cooling, two kinds of operating modes of storage heating in winter.
Technical scheme of the present invention: a kind of cold, heat accumulator of composite phase change, it comprises the energy-accumulation material container, energy-accumulation material, feed tube, drain pipe, be characterized in, the energy-accumulation material container is built-in with the phase change cold-storage body, two kinds of energy storage materials of phase change of phase-transition heat-storage body, described phase change cold-storage body intersects with the phase-transition heat-storage body and is positioned in the energy-accumulation material container, in the accumulation of energy engineering carry cold or catalyst carrier enters cold, heat accumulator of composite phase change by feed tube, carry out energy exchange with cold storage body or heat storage in it, finish cold-storage, cooling, behind accumulation of heat or the heat supplying process, derive through drain pipe.
Beneficial effect of the present invention: this installs available cool-storage in summer cooling, two kinds of operating modes of storage heating in winter, under duplexing condition, the mode of main storing energy is the phase changing energy storage mode, this device can significantly improve the income of phase changing energy storage engineering, also can improve the stability that system moves under duplexing condition simultaneously.
Description of drawings
Fig. 1 is a cold, heat accumulator of composite phase change structural representation of the present invention.
The specific embodiment
As shown in Figure 1, a kind of cold, heat accumulator of composite phase change, it comprises energy-accumulation material container 1, energy-accumulation material, feed tube 4, drain pipe 5, be characterized in, energy-accumulation material container 1 is built-in with phase change cold- storage body 2,3 two kinds of energy storage materials of phase change of phase-transition heat-storage body, described phase change cold-storage body 2 intersects with phase-transition heat-storage body 3 and is positioned in the energy-accumulation material container 1, in the accumulation of energy engineering carry cold or catalyst carrier enters cold, heat accumulator of composite phase change 1 by feed tube 4, carry out energy exchange with phase change cold-storage body 2 or phase-transition heat-storage body 3 in it, finish cold-storage, cooling, behind accumulation of heat or the heat supplying process, derive through drain pipe 5.
Described phase change cold-storage body 2 can be frozen water, ice hockey, phase change cold-storage ball, phase change cold-storage piece or phase change cold-storage plate, and their material is mainly ice or water or salting liquid; Described phase-transition heat-storage body 3 can be phase-transition heat-storage ball, phase-transition heat-storage piece or phase-changing heat accumulation plate, and their material is inorganic crystal moisture thing or organic phase change material, and organic phase change material is selected paraffin for use, and inorganic crystal moisture thing can be NaOHH
2O or FeSO
47H
2O or Ba (OH)
28H
2O or MgNO
36H
2O or Na
3PO
412H
2O etc.
The phase changing energy storage effect of this cold, heat accumulator of composite phase change is described by following calculated example:
Calculated example:
In this example in cold, heat accumulator of composite phase change used phase change cold-storage body be ice hockey, cool storage material is ice in it; The phase-transition heat-storage body is a heat-storing sphere, and heat-storing material is Ba (OH) in it
28H
2O, phase transition temperature is 78 ℃, also available other phase change heat storage material.
Basic data:
Unit bodies accumulated ice phase change cold-storage amount: R
Water=335kJ/kg * 0.92=308kJ/L=85.61kwh/m
3(ice concentration is 0.91kg/L)
The unit bodies accumulated ice becomes water amount of stored heat: h
Water=4.2 * (90-70) * 0.92=77.28KJ/L=21.46kwh/m
3
(the water regenerator temperature is 90 ℃, and minimum heat supply temperature is 70 ℃);
Unit volume Ba (OH)
28H
2O phase-transition heat-storage amount: R
Ba=581KJ/L=161.38kwh/m
3
Above Haiti district office building cold and heat supply calculation of parameter, cooling load 120W/ square metre of summer, 80W/ square metre of Winter heat supply load.Suppose: summer, the full dose cold storage capacity was Q
Cold=1200kwh, winter, the full dose amount of stored heat was Q
Heat=800kwh.
Need power consumption Q summer
Cold/ 4.8=250kwh (the air conditioning condition Energy Efficiency Ratio is 4.8, supposes that cold-storage operating mode refrigerating efficiency does not descend); Need power consumption 800kwh (Winter heat supply is an electric boiler) winter
(under summer condition, ice carries out phase change cold-storage near 0 ℃ for scheme one, the full ice hockey cold, heat accumulator of employing; Under the operating mode, ice all becomes water, carries out the sensible heat storage heating in the winter time, and regenerator temperature is 90 ℃, and minimum heat supply temperature is 70 ℃)
1, full dose (100%) cold-storage needs regenerator volume: V=Q
Cold/ R
Water=14 cubic metres
2, this volume water is used for the ratio that winter, storage heating can satisfy full dose storage heating demand and is:
V * h
Water/ Q
Heat=37.6%
3, the total electricity consumption of cold-storage and thermal storage (low ebb electricity price power consumption): 100% * 250+37.6% * 800=550.8kwh
Scheme two: adopt cold, heat accumulator of composite phase change (to keep cold, heat accumulator cumulative volume V=14.16 cubic meter constant, encapsulation ice hockey volume V
Ice hockey=11 cubic metres, phase-transition heat-storage sphere volume V
Heat-storing sphere=3 cubic metres, mix and place, under summer condition, ice carries out the phase change cold-storage accumulation of heat near 0 ℃, and the heat-storing sphere cold storage capacity is ignored; Under the operating mode, ice all becomes water, carries out the sensible heat storage heating in the winter time, and regenerator temperature is 90 ℃, and minimum heat supply temperature is 70 ℃, and the phase-transition heat-storage ball carries out the phase-transition heat-storage heat supply near 78 ℃.
1, cold, heat accumulator of composite phase change is used for the ratio that the cool-storage in summer cooling can satisfy full dose cold-storage cooling demand
Example is: V
Ice hockey* R
Water/ Q
Cold=78.5% (supposition heat-storing sphere cold-storage ability is 0)
2, cold, heat accumulator of composite phase change is used for the winter storage heating and can satisfies the ratio of full dose storage heating demand
Example is: (V
Ice hockey* h
Water+ V
Heat-storing sphere* R
Ba)/Q
Heat=90%
3, the total electricity consumption of cold-storage and thermal storage (low ebb electricity price power consumption): 78.5%*250+90%*800=916.5kwh
Calculate and to find out from the total electricity consumption of cold-storage and thermal storage, adopt cold, heat accumulator of composite phase change can significantly improve the cold-storage and thermal storage total amount, thereby improve the income of phase changing energy storage engineering, in addition, ice hockey holds discharging cold course and phase-transition heat-storage ball and holds exothermic process and all closely be constant temperature process, can improve the stability that system moves under duplexing condition.
Claims (2)
1. cold, heat accumulator of composite phase change, it comprises energy-accumulation material container (1), energy-accumulation material, feed tube (4), drain pipe (5), it is characterized in that, described energy-accumulation material container (1) is built-in with phase change cold-storage body (2), (3) two kinds of energy storage materials of phase change of phase-transition heat-storage body, described phase change cold-storage body (2) intersects with phase-transition heat-storage body (3) and is positioned in the energy-accumulation material container (1), in the accumulation of energy engineering carry cold or catalyst carrier enters cold, heat accumulator of composite phase change by feed tube (4), carry out energy exchange with phase change cold-storage body (2) or phase-transition heat-storage body (3) in it, finish cold-storage, cooling, behind accumulation of heat or the heat supplying process, derive through drain pipe (5).
2. cold, heat accumulator of composite phase change according to claim 1 is characterized in that, described phase change cold-storage body (2) is frozen water, ice hockey, phase change cold-storage ball, phase change cold-storage piece or phase change cold-storage plate, and their material is mainly ice or water or salting liquid; Described phase-transition heat-storage body (3) can be phase-transition heat-storage ball, phase-transition heat-storage piece or phase-changing heat accumulation plate, and their material is inorganic crystal hydrate or organic phase change material, and described organic phase change material is selected paraffin for use, and the inorganic crystal hydrate is selected NaOHH for use
2O or FeSO
47H
2O or Ba (OH)
28H
2O or MgNO
36H
2O or Na
3PO
412H
2O.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100367720A CN101004308A (en) | 2007-01-24 | 2007-01-24 | Cold, heat accumulator of composite phase change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100367720A CN101004308A (en) | 2007-01-24 | 2007-01-24 | Cold, heat accumulator of composite phase change |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101004308A true CN101004308A (en) | 2007-07-25 |
Family
ID=38703611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100367720A Pending CN101004308A (en) | 2007-01-24 | 2007-01-24 | Cold, heat accumulator of composite phase change |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101004308A (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101957154A (en) * | 2010-07-12 | 2011-01-26 | 四川省科学城久信科技有限公司 | Recombination energy storing and exchanging device |
| CN102080906A (en) * | 2011-01-25 | 2011-06-01 | 西安交通大学 | Efficient three-medium phase change coupled cold-accumulating and heat-exchanging device |
| CN102575910A (en) * | 2009-10-13 | 2012-07-11 | 株式会社神户制钢所 | Heat-storage device |
| CN103335466A (en) * | 2013-03-29 | 2013-10-02 | 北京航空航天大学 | Cooling and overtemperature protection system of nuclear heat source power measurement device |
| CN104061813A (en) * | 2014-07-11 | 2014-09-24 | 东莞市兆荣节能科技有限公司 | Phase-change energy storage water tank |
| CN104661350A (en) * | 2013-11-17 | 2015-05-27 | 成都奥能普科技有限公司 | Three-cavity electric heat accumulator and wind-photovoltaic electric heat accumulation complementary power station |
| CN105716465A (en) * | 2016-03-04 | 2016-06-29 | 绵阳市金桥源科技有限公司 | Energy storage system with dual-temperature phase change function |
| CN106164614A (en) * | 2014-05-06 | 2016-11-23 | 西门子公司 | Storage heater |
| TWI572832B (en) * | 2014-11-10 | 2017-03-01 | 昆山巨仲電子有限公司 | Energy storage tank with function of fixing energy storage unit |
| CN106642452A (en) * | 2016-11-24 | 2017-05-10 | 王占军 | Device for supplying cool and heat |
| CN107424967A (en) * | 2016-05-23 | 2017-12-01 | 比亚迪股份有限公司 | A kind of mobile phone thermal component and module and method |
| CN107514850A (en) * | 2017-07-19 | 2017-12-26 | 茂进物流科技（苏州）有限公司 | Refrigerating plant, refrigerating box and refrigerating system |
| CN107940661A (en) * | 2017-11-17 | 2018-04-20 | 四川大学 | Total heat exchange fresh air system |
| CN109425059A (en) * | 2017-08-28 | 2019-03-05 | 东莞市兆荣节能科技有限公司 | A kind of cold accumulation system with water distribution module |
| CN111197830A (en) * | 2020-02-21 | 2020-05-26 | 桂林沣泱科技有限公司 | Water energy storage system and control method thereof |
| CN112659607A (en) * | 2020-12-21 | 2021-04-16 | 唐鹏飞 | Preparation method of self-displaying ice-sealing rubber sealing ring |
| CN114393800A (en) * | 2022-01-21 | 2022-04-26 | 浙江嘉宬科技股份有限公司 | Injection molding device for plastic products and injection molding process thereof |
| CN114407310A (en) * | 2022-01-21 | 2022-04-29 | 浙江嘉宬科技股份有限公司 | Injection molding system and using method thereof |
| CN115183350A (en) * | 2022-07-12 | 2022-10-14 | 哈尔滨工业大学 | Detachable sleeve graded energy storage type thermoelectric heat storage heat supply/cold storage refrigeration system and method |
| CN115264679A (en) * | 2022-06-29 | 2022-11-01 | 中南大学 | With CO2Seasonal cold accumulation system with hydrate as cold accumulation material |
-
2007
- 2007-01-24 CN CNA2007100367720A patent/CN101004308A/en active Pending
Cited By (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102575910A (en) * | 2009-10-13 | 2012-07-11 | 株式会社神户制钢所 | Heat-storage device |
| CN101957154A (en) * | 2010-07-12 | 2011-01-26 | 四川省科学城久信科技有限公司 | Recombination energy storing and exchanging device |
| CN101957154B (en) * | 2010-07-12 | 2013-01-02 | 厦门中物信风新能源技术股份有限公司 | Recombination energy storing and exchanging device |
| CN102080906A (en) * | 2011-01-25 | 2011-06-01 | 西安交通大学 | Efficient three-medium phase change coupled cold-accumulating and heat-exchanging device |
| CN102080906B (en) * | 2011-01-25 | 2013-02-06 | 西安交通大学 | Efficient three-medium phase change coupled cold-accumulating and heat-exchanging device |
| CN103335466B (en) * | 2013-03-29 | 2015-09-23 | 北京航空航天大学 | The cooling of nuclear heat source power-measuring device and overtemperature prote system |
| CN103335466A (en) * | 2013-03-29 | 2013-10-02 | 北京航空航天大学 | Cooling and overtemperature protection system of nuclear heat source power measurement device |
| CN104661350A (en) * | 2013-11-17 | 2015-05-27 | 成都奥能普科技有限公司 | Three-cavity electric heat accumulator and wind-photovoltaic electric heat accumulation complementary power station |
| CN104661350B (en) * | 2013-11-17 | 2016-11-23 | 成都奥能普科技有限公司 | Three chamber electric heat accumulators and wind-light-electricity accumulation of heat complementation power station |
| US10168107B2 (en) | 2014-05-06 | 2019-01-01 | Siemens Aktiengesellschaft | Heat store container with inclined plates for improved temperature distribution |
| CN106164614A (en) * | 2014-05-06 | 2016-11-23 | 西门子公司 | Storage heater |
| CN106164614B (en) * | 2014-05-06 | 2019-01-04 | 西门子公司 | Storage heater |
| CN104061813A (en) * | 2014-07-11 | 2014-09-24 | 东莞市兆荣节能科技有限公司 | Phase-change energy storage water tank |
| CN104061813B (en) * | 2014-07-11 | 2016-03-30 | 东莞市兆荣节能科技有限公司 | A kind of phase-changing energy-storing water tank |
| TWI572832B (en) * | 2014-11-10 | 2017-03-01 | 昆山巨仲電子有限公司 | Energy storage tank with function of fixing energy storage unit |
| CN105716465A (en) * | 2016-03-04 | 2016-06-29 | 绵阳市金桥源科技有限公司 | Energy storage system with dual-temperature phase change function |
| CN107424967A (en) * | 2016-05-23 | 2017-12-01 | 比亚迪股份有限公司 | A kind of mobile phone thermal component and module and method |
| CN106642452A (en) * | 2016-11-24 | 2017-05-10 | 王占军 | Device for supplying cool and heat |
| CN107514850A (en) * | 2017-07-19 | 2017-12-26 | 茂进物流科技（苏州）有限公司 | Refrigerating plant, refrigerating box and refrigerating system |
| CN109425059A (en) * | 2017-08-28 | 2019-03-05 | 东莞市兆荣节能科技有限公司 | A kind of cold accumulation system with water distribution module |
| CN107940661A (en) * | 2017-11-17 | 2018-04-20 | 四川大学 | Total heat exchange fresh air system |
| CN107940661B (en) * | 2017-11-17 | 2023-09-29 | 四川大学 | Total heat exchange fresh air system |
| CN111197830A (en) * | 2020-02-21 | 2020-05-26 | 桂林沣泱科技有限公司 | Water energy storage system and control method thereof |
| CN112659607A (en) * | 2020-12-21 | 2021-04-16 | 唐鹏飞 | Preparation method of self-displaying ice-sealing rubber sealing ring |
| CN114393800A (en) * | 2022-01-21 | 2022-04-26 | 浙江嘉宬科技股份有限公司 | Injection molding device for plastic products and injection molding process thereof |
| CN114407310A (en) * | 2022-01-21 | 2022-04-29 | 浙江嘉宬科技股份有限公司 | Injection molding system and using method thereof |
| CN114407310B (en) * | 2022-01-21 | 2023-12-01 | 东莞市正弘橡塑有限公司 | Injection molding system and application method thereof |
| CN115264679A (en) * | 2022-06-29 | 2022-11-01 | 中南大学 | With CO2Seasonal cold accumulation system with hydrate as cold accumulation material |
| CN115183350A (en) * | 2022-07-12 | 2022-10-14 | 哈尔滨工业大学 | Detachable sleeve graded energy storage type thermoelectric heat storage heat supply/cold storage refrigeration system and method |
| CN115183350B (en) * | 2022-07-12 | 2024-04-16 | 哈尔滨工业大学 | Detachable sleeve grading energy storage type thermoelectric heat storage heat supply/cold storage refrigeration system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101004308A (en) | Cold, heat accumulator of composite phase change | |
| Lizana et al. | Advanced low-carbon energy measures based on thermal energy storage in buildings: A review | |
| Lizana et al. | Advances in thermal energy storage materials and their applications towards zero energy buildings: A critical review | |
| Li et al. | Experimental investigation on a dual-mode thermochemical sorption energy storage system | |
| Li et al. | High energy-density and power-density thermal storage prototype with hydrated salt for hot water and space heating | |
| CN201000294Y (en) | Composite phase-change cold-storage heat accumulator | |
| CN101968328A (en) | Phase-change energy storage device | |
| CN102705997B (en) | Solar thermochemical adsorption seasonal efficient energy storage device and method | |
| CN110195991B (en) | Cross-season hybrid heat storage cold and hot combined supply system | |
| CN103712255B (en) | A kind of releasing across solar energy-phase-changing energy-storing classification in season can heating system and method | |
| CN106225043A (en) | Heat pump and heating system | |
| WO2019061689A1 (en) | Cross-season cold and heat storage system | |
| CN202133148U (en) | Efficient phase-change energy storage equipment and solar thermal system integrated device | |
| CN100494862C (en) | Heat pipe accumulator | |
| Dong et al. | Review of latent thermal energy storage systems for solar air‐conditioning systems | |
| CN201819600U (en) | Phase-change energy storing device | |
| CN201259282Y (en) | Complete thermal recovery energy accumulation type Geothermal pump central air-conditioning system | |
| Sun et al. | Roles of thermal energy storage technology for carbon neutrality | |
| CN101699174B (en) | Sensible heat and latent heat mixed type solar cross-season thermal storage system | |
| CN101354223A (en) | Energy-saving apparatus | |
| CN207570049U (en) | Across season cold-storage and thermal storage system | |
| CN201129953Y (en) | Phase-change energy storage bar | |
| CN202902525U (en) | Ice storage and water thermal storage system | |
| CN108019983A (en) | New type solar energy list tank phase-change heat storage absorption heat pump | |
| CN201607333U (en) | Test device for liquefied natural gas cold-energy adjusting system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |