CN203657062U - Solar hot water supply system - Google Patents
Solar hot water supply system Download PDFInfo
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- CN203657062U CN203657062U CN201320453502.0U CN201320453502U CN203657062U CN 203657062 U CN203657062 U CN 203657062U CN 201320453502 U CN201320453502 U CN 201320453502U CN 203657062 U CN203657062 U CN 203657062U
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- Prior art keywords
- water
- hot water
- heat
- water tank
- solar
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
- Y02E10/44—Heat exchange systems
Abstract
The utility model provides a solar hot water supply system. The system comprises a solar heat collector, a heat collection circulating pump and a plurality of independent hot water supply subareas, wherein each subarea comprises a heat collection water tank and a heat supply water tank, heat exchange is performed on water in each heat collection water tank and water in each heat supply water tank through heat supply circulation, and heat stored in the solar heat collector is transferred to the heat collection water tanks through the heat collection circulating pump. According to the solar hot water supply system, the plurality of independent hot water supply subareas are arranged, so that mutual effects of water temperatures and water pressures of the different subareas are reduced, and hot water with different usage functions can also be set differently through the subareas; the solar fraction is high, solar energy can be distributed more reasonably due to subarea supply, and heat losses are reduced; each subarea is provided with a dual-circulation system of heat collection circulation and heat supply circulation, so that the supplied water temperature of each subarea is stable.
Description
Technical field
The utility model relates to building supply field, particularly a kind of solar energy hot water supplying system.
Background technology
Along with socioeconomic fast development, energy demand is expanded day by day, and the resources such as coal, oil are day by day in short supply, and the discharge of the exhaustive exploitation of traditional resource and waste gas waste residue, brings huge destruction to environment for human survival.These crises impel the mankind to start re-examine environment invariably, and for the sustainable development of the earth, the mankind must find the new alternative energy.Be that the Nature is given one of the most valuable green energy resource of the mankind as the solar energy of regenerative resource the most clean on the earth, how scientifically utilize the regenerative resources such as solar energy to become the common issue that the whole world faces.
Solar water heating system can be converted into heat energy solar energy, and water is heated to high-temperature from low temperature, uses to meet the hot water of people in life, production.Solar water heater is made up of heat collector, storage tank and related accessories, and solar energy energy transform into heat energy is mainly relied on to heat collector.
Aspect photo-thermal conversion, cut-off will be to the end of the year 2007, and Chinese solar water heater output reaches 2,300 ten thousand square metres, and total recoverable amount reaches 1.08 hundred million square metres, accounts for 55% of the world, become global solar water heater and produce and use the first big country.The Renewable Energy Development planning that China formulates has clearly proposed solar water heating system developing goal and will reach 300,000,000 square metres to the year two thousand twenty water heater output.Solar water heating system has become the most ripe in current solar utilization technique system and industry with fastest developing speed.
How to utilize technology and building itself organically combine and improve solar energy and utilize effect solar water, improve the important research direction that solar energy fraction is also solar water heating system development.Fig. 1 is the leaving water temperature chart of the solar energy hot water supplying system of by stages in 1 year not in prior art.With reference to Fig. 1, although it is comparatively stable not carry out the solar energy hot water supplying system output water temperature of subregion, its solar energy fraction is lower.Fig. 2 a is only with the heat collection water tank Shi Gao district leaving water temperature chart that directly supplies water when in prior art, solar energy hot water supplying system carries out subregion; Fig. 2 b is only with the heat collection water tank Shi Di district leaving water temperature chart that directly supplies water when in prior art, solar energy hot water supplying system carries out subregion; With reference to Fig. 2 a and Fig. 2 b, solar energy hot water supplying system comprises two subregions, is respectively He Di district of high district, and the direct water system of subregion has higher solar energy fraction but output water temperature is extremely unstable.
Utility model content
The purpose of this utility model is to provide a kind of solar energy hot water supplying system, to solve the lower and unsettled problem of output water temperature of existing solar energy fraction.
For solving the problems of the technologies described above, the utility model provides a kind of solar energy hot water supplying system, comprise solar thermal collector and thermal-arrest circulating pump, solar energy hot water supplying system also comprises: multiple independently hot water supply subregions, each described subregion comprises: heat collection water tank and heat supply water tank, by making the water in water and the described heat supply water tank in described heat collection water tank carry out heat exchange for thermal cycle, the heat that described solar thermal collector stores is passed to described heat collection water tank by described thermal-arrest circulating pump.
Optionally, solar energy hot water supplying system also comprises assisted heating device, is arranged in described heat supply water tank.
Optionally, solar energy hot water supplying system also comprises air-cooled radiator, and described air-cooled radiator is connected with described solar thermal collector.
Optionally, solar energy hot water supplying system also comprises device for monitoring temperature, and described device for monitoring temperature is arranged in described heat supply water tank.
Optionally, by making the water in water and the described heat supply water tank in described heat collection water tank carry out heat exchange for hot recycle pump.
The solar energy hot water supplying system that the utility model provides, by setting up multiple independently hot water supply subregions, reduces the influencing each other of water temperature, hydraulic pressure of different subregions, uses the hot water of function also can carry out different settings by subregion to difference; Solar energy fraction is high, and subregion supply can more reasonably distribute solar energy, reduces radiation loss; Each subregion is set up thermal-arrest circulation and the binary cycle system for thermal cycle, makes the water supply water temperature of each subregion reach stable.
Further, can ensure to use water spot water temperature stability by arranging of assisted heating device and device for monitoring temperature.
Brief description of the drawings
Fig. 1 is the leaving water temperature chart of the solar energy hot water supplying system of by stages in 1 year not in prior art;
Fig. 2 a is only with the heat collection water tank Shi Gao district leaving water temperature chart that directly supplies water when in prior art, solar energy hot water supplying system carries out subregion;
Fig. 2 b is only with the heat collection water tank Shi Di district leaving water temperature chart that directly supplies water when in prior art, solar energy hot water supplying system carries out subregion;
Fig. 3 is the structural representation of the solar energy hot water supplying system of the utility model embodiment;
The steps flow chart schematic diagram of the control method of the solar energy hot water supplying system that Fig. 4 provides for the utility model embodiment;
Fig. 5 a is the solar energy hot water supplying system Gao district leaving water temperature chart of the utility model embodiment;
Fig. 5 b is the solar energy hot water supplying system Di district leaving water temperature chart of the utility model embodiment.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the solar energy hot water supplying system the utility model proposes is described in further detail.According to the following describes and claims, advantage of the present utility model and feature will be clearer.It should be noted that, accompanying drawing all adopts very the form of simplifying and all uses non-ratio accurately, only in order to convenient, the object of aid illustration the utility model embodiment lucidly.
Core concept of the present utility model is, the solar energy hot water supplying system that the utility model provides, by setting up multiple independently hot water supply subregions, reduce the influencing each other of water temperature, hydraulic pressure of different subregions, use the hot water of function also can carry out different settings by subregion to difference; Solar energy fraction is high, and subregion supply can more reasonably distribute solar energy, reduces radiation loss; Each subregion is set up thermal-arrest circulation and the binary cycle system for thermal cycle, makes the water supply water temperature of each subregion reach stable.
Fig. 3 is the structural representation of the solar energy hot water supplying system of the utility model embodiment.With reference to Fig. 3, the solar energy hot water supplying system that the utility model provides comprises solar thermal collector 11 and thermal-arrest circulating pump 12, solar energy hot water supplying system also comprises: multiple independently hot water supply subregions, each described subregion comprises: heat collection water tank 13 and heat supply water tank 14, by making the water in water and the described heat supply water tank 14 in described heat collection water tank 13 carry out heat exchange for thermal cycle, the heat that described solar thermal collector 11 stores is passed to described heat collection water tank 13 by described thermal-arrest circulating pump 12.
Further, solar energy hot water supplying system also comprises assisted heating device 18, is arranged in described heat supply water tank 14, and in the time that described heat supply water tank temperature cannot reach temperature required, it is temperature required that startup assisted heating device 18 rises to water temperature.Solar energy hot water supplying system also comprises air-cooled radiator 16, described air-cooled radiator 16 is connected with described solar thermal collector 11, when the temperature of solar thermal collector 11 is during higher than warning value, air-cooled radiator 16 is worked, until the temperature of solar thermal collector 11 is lower than warning value.
Solar energy hot water supplying system also comprises device for monitoring temperature (not shown), and described device for monitoring temperature is arranged in described heat supply water tank 14, can monitor and ensure to use water spot water temperature stability.
In the present embodiment, by making the water in water and the described heat supply water tank 14 in described heat collection water tank 13 carry out heat exchange for hot recycle pump 17; Supply-water pump 15 is connected with heat collection water tank 13.
In the present embodiment, solar energy hot water supplying system comprises two independently hot water supply subregions, for convenience, be made as respectively A district and B district, wherein, a point in A district connects the hot water feedwater of paramount district, the b point in A district connects the cold water feedwater of paramount district, and the c point in A district is connected to high district hot water backwater; The a point in B district is connected to the hot water feedwater of low district, and the b point in B district is connected to the cold water feedwater of low district, and the c point in B district is connected to low district hot water backwater; The supply water temperature that solar energy hot water supplying system is set two subregions is 60 DEG C, when the water temperature of solar thermal collector 11 higher when more than 8 DEG C than the mean temperature of the heat collection water tank 13 in A district and B district, thermal-arrest circulating pump 12 starts and corresponding valve open, until solar thermal collector 11 is down to below 2 DEG C with the temperature difference of the heat collection water tank 13 in A district, and solar thermal collector 11 is down to below 2 DEG C with the temperature difference of the heat collection water tank 13 in B district, if A district and B district meet the condition that thermal-arrest circulating pump is opened simultaneously, preferentially ensure the thermal-arrest circulation unlatching of B district.
The leaving water temperature of solar thermal collector 11 is during higher than 90 DEG C, and thermal-arrest circulating pump 12 is opened, and air-cooled radiator 16 is worked simultaneously, until the leaving water temperature of solar thermal collector 11 is down to below 85 DEG C.The mean temperature of A district heat collection water tank 13 or B district heat collection water tank 13 is higher when more than 5 DEG C than the mean temperature of its corresponding heat supply water tank 14, starts corresponding for hot recycle pump 17, until water tank temperature is identical.If the temperature of heat supply water tank 14 is during lower than 35 DEG C, assisted heating device 18 is opened, until the water temperature of heat supply water tank 14 reaches 60 DEG C, when the water temperature of heat collection water tank 13 reaches 80 DEG C, can not start thermal-arrest circulating pump 12 to its heating, when the water temperature of heat supply water tank 14 reaches 60 DEG C, quit work for hot recycle pump 17.
The steps flow chart schematic diagram of the control method of the solar energy hot water supplying system that Fig. 4 provides for the utility model embodiment.With reference to Fig. 4, the control method of solar energy hot water supplying system, comprising:
S41, according to floor or use the difference of function to set the subregion of solar energy hot water supplying system, each subregion comprises heat collection water tank and heat supply water tank;
S42, thermal-arrest circulating pump start, and the heat that solar thermal collector is stored is passed to described heat collection water tank;
S43, by making the water in water and the heat supply water tank in described heat collection water tank carry out heat exchange until the water in described heat supply water tank reaches required temperature for thermal cycle;
S44, the water in described heat supply water tank is supplied to and uses water spot.
Fig. 5 a is the solar energy hot water supplying system Gao district leaving water temperature chart of the utility model embodiment; Fig. 5 b is the solar energy hot water supplying system Di district leaving water temperature chart of the utility model embodiment.With reference to Fig. 5 a and Fig. 5 b, adopt by stages indirect feed system can obtain higher solar energy fraction and stable output water temperature simultaneously, in the present embodiment, solar energy fraction is 56.88%.
Foregoing description is only the description to the utility model preferred embodiment; the not any restriction to the utility model scope; any change, modification that the those of ordinary skill in the utility model field does according to above-mentioned disclosure, all belong to the protection domain of claims.
Claims (5)
1. a solar energy hot water supplying system, comprise solar thermal collector and thermal-arrest circulating pump, it is characterized in that, also comprise: multiple independently hot water supply subregions, each described subregion comprises: heat collection water tank and heat supply water tank, by making the water in water and the described heat supply water tank in described heat collection water tank carry out heat exchange for thermal cycle, the heat that described solar thermal collector stores is passed to described heat collection water tank by described thermal-arrest circulating pump.
2. solar energy hot water supplying system as claimed in claim 1, is characterized in that, also comprises assisted heating device, is arranged in described heat supply water tank.
3. solar energy hot water supplying system as claimed in claim 1, is characterized in that, also comprises air-cooled radiator, and described air-cooled radiator is connected with described solar thermal collector.
4. solar energy hot water supplying system as claimed in claim 1, is characterized in that, also comprises device for monitoring temperature, and described device for monitoring temperature is arranged in described heat supply water tank.
5. solar energy hot water supplying system as claimed in claim 1, is characterized in that, by making the water in water and the described heat supply water tank in described heat collection water tank carry out heat exchange for hot recycle pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320453502.0U CN203657062U (en) | 2013-07-26 | 2013-07-26 | Solar hot water supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320453502.0U CN203657062U (en) | 2013-07-26 | 2013-07-26 | Solar hot water supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203657062U true CN203657062U (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320453502.0U Expired - Fee Related CN203657062U (en) | 2013-07-26 | 2013-07-26 | Solar hot water supply system |
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| CN (1) | CN203657062U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353140A (en) * | 2013-07-26 | 2013-10-16 | 华东建筑设计研究院有限公司 | Solar hot water supplying system and control method thereof |
-
2013
- 2013-07-26 CN CN201320453502.0U patent/CN203657062U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353140A (en) * | 2013-07-26 | 2013-10-16 | 华东建筑设计研究院有限公司 | Solar hot water supplying system and control method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20180726 |