CN1847744B - Out-of-season solar energy utilizing technology for heat accumulation to warm and cold accumulation to cool - Google Patents
Out-of-season solar energy utilizing technology for heat accumulation to warm and cold accumulation to cool Download PDFInfo
- Publication number
- CN1847744B CN1847744B CN2006100756438A CN200610075643A CN1847744B CN 1847744 B CN1847744 B CN 1847744B CN 2006100756438 A CN2006100756438 A CN 2006100756438A CN 200610075643 A CN200610075643 A CN 200610075643A CN 1847744 B CN1847744 B CN 1847744B
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- heat
- energy
- cold
- heating
- accumulation
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- 238000009825 accumulation Methods 0.000 title claims abstract description 29
- 238000005516 engineering processes Methods 0.000 title abstract description 9
- 239000011901 water Substances 0.000 claims abstract description 27
- 230000002798 winter Effects 0.000 claims abstract description 22
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims description 43
- 238000005338 heat storage Methods 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injections Substances 0.000 claims description 6
- 238000005057 refrigeration Methods 0.000 claims description 6
- 230000001105 regulatory Effects 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 4
- 238000004364 calculation methods Methods 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims description 3
- 239000003570 air Substances 0.000 claims description 2
- 125000004122 cyclic group Chemical group 0.000 claims description 2
- 238000007710 freezing Methods 0.000 claims description 2
- 230000001052 transient Effects 0.000 claims 1
- 238000010792 warming Methods 0.000 abstract 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 methods Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000010586 diagrams Methods 0.000 description 1
- 239000004065 semiconductors Substances 0.000 description 1
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
-
- 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
Abstract
The out-of-season solar energy utilizing technology for heat accumulation to warm and cold accumulation to cool is to utilize solar energy and temperature difference energy resource for warming in winter and cooling in summer. In the warm seasons, solar energy is collected and stored in hot water cellar, and in cold season, the stored heat energy is used in warming, and this can also stabilize the warming with solar energy. In cold season, cold energy is collected and stored in cold water cellar, and in hot season, the stored cold energy is utilized for cooling.
Description
Technical field the present invention utilizes face of land solar energy and weather thermal gradient energy resource to solve the renewable energy utilization technology of building winter heating and cooling in summer problem with suiting measures to local conditions.
Background technology solar heating both at home and abroad at present all is to utilize the solar radiant energy in winter to solve the heating problem as accumulation of energy of thermal source short time or accumulation of energy on the same day, because sun radiant illumination in winter is 1/2～1/3 of summer, adding the low solar thermal collector efficient that causes of winter temperature reduces, make that solar heating will very big heat collector area, it is big to take up room, simultaneously because accumulation of heat makes the heating effect be subject to the Changes in weather influence than for a short time, do not have and ensure, often need auxiliary other thermals source, the one-time investment height; Solar refrigeration also be with summer solar energy be kind of refrigeration cycle power, the refrigeration system technical sophistication, one-time investment and operating cost height, therefore all be difficult to generally apply. and innovative point of the present invention is to be conceived to utilize annual total solar radiation can solve building winter heating cooling in summer problem, the anti-season heat-storage heating is that the non-heating period heat energy that stores certain scale is used for replenishing the winter heating use, therefore only need less heat collector area, because accumulation of heat is bigger, the anti-weather interference performance of heating effect is strong, do not need auxiliary other thermals source, one-time investment (2/3～1/2) significantly reduces; The weather thermal gradient energy also is a kind of form of expression of solar energy in essence, utilizes weather thermal gradient energy winter environment cold-storage to be used for building room temperature lowering in summer, and technology is simple, and one-time investment and operating cost are low, therefore all is easy to generally promote and use.
Summary of the invention the invention provides a kind of unique technique method of utilizing face of land solar energy and weather thermal gradient energy resource to solve building winter heating and cooling in summer problem with suiting measures to local conditions.
One. purpose and purposes:
Anti-season heat-storage heating cold accumulation cooling-down technology is to utilize face of land solar energy and weather thermal gradient energy resource to solve the renewable energy utilization technology of building winter heating and cooling in summer problem with suiting measures to local conditions. be the original innovation technology that makes full use of solar energy and weather thermal gradient energy. can replace existing heating boiler and air-conditioning at building winter heating and cooling in summer field.
Two. the design and calculation method of principle design and important technological parameters:
1. principle design: solar energy anti-season heat-storage heating is to collect the solar energy of non-heating period and be stored in the hot water cellar for storing things with solar thermal collector to be used for replenishing the heating of winter solar energy, when solar thermal energy that non-heating period held just be used for that winter solar can heating additional the time realize complete solar energy heating in winter with regard to the solar thermal collector of available minimum area, can determine heat collector area and hot water cellar for storing things volume in view of the above, the anti-season accumulation of heat has also solved the problem of solar radiant energy short-term instability simultaneously; The anti-season cold accumulation cooling-down is to collect and store the winter environment cold energy with the cold water cellar for storing things to be used for cooling in summer, is minimum cold storage capacity when winter when institute's cold-storage water just is used for cooling in summer, can determine cold water cellar for storing things volume in view of the above;
2. the design and calculation method of important technological parameters:
Accumulation of heat is than λ: 1/ λ=Q
Sw/ (Q
s-Q
Sw)+η
K
Heat collector area S
k: S
k=(1-λ η
K) Q
H/ Q
Sw
Circulation accumulation of heat water capacity V
K: V
K=λ η
KQ
H/ C
P(T
H-18)
Cold-storage water capacity V
C: V
C=Q
C/ η '
K/ C
P(26-T
C)
Wherein: η
KIt is a year heat storage efficiency; η '
KBe year cold-storage efficient; Q
SwBe the producible heat energy of heating phase solar thermal collector; Q
sBe the 1 year producible heat energy of solar thermal collector; Q
HBe constructure heating year to consume heat energy; Q
CBe that a building cooling year consumption refrigeration can; T
HIt is the heat accumulating water temperature degree; T
CIt is the cold-storage coolant-temperature gage; C
PBe that specific heat of water holds; Accumulation of heat is than being λ=Q
K/ Q
HQ
KBe solar thermal collector non-heating period amount of stored heat;
Three. technical scheme description of the process (see figure 1)
1. accumulation of heat circulation: store by hot water, the thermal-arrest water circulating pump, the threeway ratio adjusting valve, daily service tank is regulated in circulation/accumulation of energy, solar thermal collector, solar cell, direct current generator constitutes automatic heat collecting and circulating system. solar cell be the circulation power source be again illuminance transducer, directly utilize solar cell output characteristics control state of cyclic operation, changing with solar illumination and to regulate circular flow automatically and keep leaving water temperature, evacuation and anti-freezing automatically when not having sunlight greater than design load. this system constitutes with the most brief system and has realized collecting at any time automatically the function of storing solar energy.
2. heating circulation: by heating circulation power-assisted jet pump, booster valve, daily service tank is regulated in circulation/accumulation of energy, the indoor heating heat exchanger constitutes injection power-assisted thermal siphon heating circulation. and design conditions drive the heating circulation by thermal siphon, starting accumulation of energy injection when needing to regulate circulation rate need not increase the controllability .. that heating circulates by external power
3. the function of daily service tank is regulated in circulation/accumulation of energy: the one, and be the part storage of solar energy that hydraulic potential is in order to heating circulation injection power-assisted; The 2nd, as adjuster, stable and time-delay thermal-arrest circular flow changes, to improve the response characteristic of sunlight instantaneous variation; The 3rd, get rid of piping air and emptying ventilation.
4. cold water cellar for storing things winter and outdoor gravity-flow ventilation cold-storage are sealed up for safekeeping when water temperature drops to about 0 ℃; Summer cold water to store direct ventilation heat exchange be the indoor cold cooling of taking out.
5. solar cell is by radiation intensity design capacity in winter, because of summer mean radiation intensity be 2～3 times of winters, so can drive thermal-arrest circulation and cold wind circulation summer simultaneously. storage battery is used to store the peak clipping electric energy and is equipped with sunlight air-cooler use when not enough. made full use of the solar radiation characteristic.
Electricity directly refrigeration semiconductor be used to consume unnecessary photovoltaic electric energy and be converted into cold energy spring and summer, hear rate resistance is used to consume unnecessary photovoltaic electric energy and be converted into heat energy autumn and winter.
Fig. 1 is the schematic diagram of solar energy anti-season heat-storage heating cold accumulation cooling-down system principle.
Claims (2)
1. solar energy anti-season heat-storage heating cold accumulation cooling-down method, it is characterized in that: collect the non-heating period storage of solar energy with solar thermal collector and be used for the constructure heating in winter in the hot water cellar for storing things, collect and store the winter environment cold energy with the cold water cellar for storing things and be used for building cooling in summer, the Optimal design and calculation method of important technological parameters is:
Accumulation of heat is than λ: 1/ λ=Q
SW/ (Q
S-Q
SW)+η
K
Heat collector area S
k: S
k=(1-λ η
K) Q
H/ Q
SW
Circulation accumulation of heat water capacity V
K: V
K=λ η
KQ
H/ C
p(T
H-18)
Cold-storage water capacity V
C: V
C=Q
C/ η '
K/ C
p(26-T
C)
Wherein: η
KBe hot water cellar for storing things year heat storage efficiency, η '
KBe cold water cellar for storing things year cold-storage efficient, Q
SWBe the producible heat energy of local heating phase solar thermal collector unit are, Q
SBe the producible heat energy of local annual solar thermal collector unit are, Q
HBe constructure heating year to consume heat energy, Q
CBe building cooling year consumption refrigeration energy, T
HBe the heat accumulating water temperature degree, T
CBe the cold-storage coolant-temperature gage, C
pBe the water specific heat capacity, accumulation of heat is than λ=Q
k/ Q
H, Q
KBe solar thermal collector non-heating period amount of stored heat.
2. solar energy anti-season heat-storage heating cold accumulation cooling-down method as claimed in claim 1 comprises:
1. the automatic thermal-arrest circulation that directly drives of solar cell: solar cell be the circulation power source also be illuminance transducer, directly utilize solar cell output characteristics control state of cyclic operation, change the automatic circular flow of regulating to keep leaving water temperature with solar illumination greater than design load, sunlight is not enough or evacuation and anti-freezing automatically when not having sunlight, can collect and store solar energy automatically at any time;
2. water-storage injection power-assisted thermal siphon heating circulation: design conditions drive heating by thermal siphon and circulate, and start the accumulation of energy injection when needing to regulate circulation rate, need not increase the controllability that heating circulates by external power;
3. daily service tank is regulated in circulation/accumulation of energy: the function of described water tank is: the one, and be the part storage of solar energy that hydraulic potential is in order to heating circulation injection power-assisted; The 2nd, as adjuster, stable and time-delay thermal-arrest circular flow changes, to improve the response characteristic of sunlight transient change; The 3rd, get rid of piping air and emptying ventilation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100756438A CN1847744B (en) | 2006-04-18 | 2006-04-18 | Out-of-season solar energy utilizing technology for heat accumulation to warm and cold accumulation to cool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100756438A CN1847744B (en) | 2006-04-18 | 2006-04-18 | Out-of-season solar energy utilizing technology for heat accumulation to warm and cold accumulation to cool |
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| CN1847744A CN1847744A (en) | 2006-10-18 |
| CN1847744B true CN1847744B (en) | 2011-01-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088009A (en) * | 2017-12-15 | 2018-05-29 | 中国地质大学（北京） | A kind of energy saving underground heat supply-refrigeration system of zero carbon |
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| CN101984300A (en) * | 2010-10-22 | 2011-03-09 | 杨艺明 | Method for controlling room temperature by day-and-night temperature difference and solar energy |
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| CN102705896A (en) * | 2012-06-27 | 2012-10-03 | 石家庄市桑迪实业有限公司 | Solar summer-collected winter-used thermal energy circulating system |
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| CN105299808B (en) * | 2015-12-04 | 2018-03-23 | 广西班仕达绿色建筑节能科技有限公司 | Phase change cold-storage, accumulation of heat refrigeration and heating air-conditioning device |
| CN108644942B (en) * | 2018-05-14 | 2020-07-14 | 东南大学 | Multi-source complementary distributed heat source tower heat pump system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108088009A (en) * | 2017-12-15 | 2018-05-29 | 中国地质大学（北京） | A kind of energy saving underground heat supply-refrigeration system of zero carbon |
| CN108088009B (en) * | 2017-12-15 | 2020-04-17 | 中国地质大学（北京） | Zero-carbon energy-saving underground heat supply-refrigeration system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1847744A (en) | 2006-10-18 |
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Assignee: Beijing Zhongsheng energy science and Technology Development Co Ltd Assignor: Kang Jian Contract record no.: 2012990000001 Denomination of invention: Out-of-season solar energy utilizing technology for heat accumulation to warm and cold accumulation to cool Granted publication date: 20110119 License type: Exclusive License Open date: 20061018 Record date: 20120104 Assignee: Beijing Zhongsheng energy science and Technology Development Co Ltd Assignor: Kang Jian Contract record no.: 2012990000001 Denomination of invention: Out-of-season solar energy utilizing technology for heat accumulation to warm and cold accumulation to cool Granted publication date: 20110119 License type: Exclusive License Open date: 20061018 Record date: 20120104 |
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Addressee: Kang Jian Document name: Notice of termination of patent |