CN101949599B - Solar water heating system energy-saving water return device for enhancing solar energy utilization rate - Google Patents
Solar water heating system energy-saving water return device for enhancing solar energy utilization rate Download PDFInfo
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- CN101949599B CN101949599B CN2010102858381A CN201010285838A CN101949599B CN 101949599 B CN101949599 B CN 101949599B CN 2010102858381 A CN2010102858381 A CN 2010102858381A CN 201010285838 A CN201010285838 A CN 201010285838A CN 101949599 B CN101949599 B CN 101949599B
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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
Abstract
The invention discloses a solar water heating system energy-saving water return device for enhancing solar energy utilization rate, which comprises a solar water tank and a centralizing water tank, wherein the solar water tank is connected with a centralizing water tank through a centralizing water tank water inlet pump; the solar water tank is connected to a cold water inlet pipe and also connected to a solar heat collector through a solar forced circulation pump; the solar heat collector is connected to the solar water tank; the solar water tank is also connected to a heat pump; the centralizing water tank is connected to a main water supply pipe; and the main water supply pipe is also connected to a main water return pipe. The invention is characterized in that the main water return pipe is connected to the solar water tank through a solar water tank solenoid valve; the main water return pipe is also connected to the centralizing water tank through a centralizing water tank solenoid valve; a solar temperature switch, which is used for controlling the opening and closing of the solar water tank solenoid valve, is arranged in the solar water tank; and a centralizing temperature switch, which is used for controlling the opening and closing of the centralizing water tank solenoid valve, is also arranged in the solar water tank. The invention aims to overcome the defects in the prior art, and can not greatly influence the temperature of the water tank or the quality of water supply.
Description
[technical field]
The present invention relates to a kind of solar water heating system, relate in particular to a kind of energy-conservation water recovery apparatus that improves the solar water heating system of solar energy utilization ratio.
[background technology]
The water recovery apparatus of existing a kind of solar water heating system comprises solar water container, concentrates water tank, and solar water container is connected with concentrated water tank through concentrating the water tank water intake pump; Solar water container connects into cold water pipe; Solar water container also forces circulating pump to be connected to solar thermal collector through solar energy, and solar thermal collector is connected to solar water container, and solar water container also connects heat pump; Concentrated water tank is also connected to the return main when meeting the water main, concentrate cistern water supply; The backwater of the water recovery apparatus of solar water heating system, prior art mainly contain 2 kinds, and a kind of is that direct backwater is to solar water container; If the solar water container temperature is not high enough; Directly backwater causes the solar water container temperature to rise slowly to solar water container, increases the time of heat pump; Another kind is that direct backwater arrives concentrated water tank, and the water temperature of concentrated water tank can change very fast, influences quality of water supply.
[summary of the invention]
The objective of the invention is to overcome existing weak point; Provide a kind of and can not influence water tank temperature very greatly, can not influence the water recovery apparatus of solar water heating system of the raising solar energy utilization ratio of quality of water supply; Improve the solar energy utilization rate and the thermal efficiency simultaneously, reduced the conventional energy consumption of assistant heating equipment.
The objective of the invention is to realize like this:
A kind of energy-conservation water recovery apparatus that improves the solar water heating system of solar energy utilization ratio comprises solar water container, concentrates water tank, and solar water container is connected with concentrated water tank through concentrating the water tank water intake pump; Solar water container connects into cold water pipe; Solar water container also forces circulating pump to be connected to solar thermal collector through solar energy, and solar thermal collector is connected to solar water container, and solar water container also connects heat pump; Concentrated water tank meets the water main, and the water main is also connected to the return main; It is characterized in that the return main is connected to solar water container through the solar water container magnetic valve; The return main is also through concentrating the water tank magnetic valve to be connected to concentrated water tank; Be provided with the solar energy temperature switch of control solar water container magnetic valve break-make in the solar water container, also be provided with the concentrated temperature switch that water tank magnetic valve break-make is concentrated in control in the solar water container; Be provided with the return water temperature switch as stated among the return main.
The invention has the beneficial effects as follows:
When the water temperature of solar water container reached uniform temperature t2, the direct backwater of return main was to solar water container, and (when t2＞t1) was lower, return main's backwater was to concentrating water tank when solar water container temperature t 1.The mode of these two kinds of backwater can the very big temperature that influences water tank, can not influence the quality of water supply, has improved the solar energy utilization rate and the thermal efficiency simultaneously, has reduced the conventional energy consumption of assistant heating equipment.
[description of drawings]
Fig. 1 is a structure chart of the present invention;
Fig. 2 is circuit theory diagrams of the present invention.
[specific embodiment]
See Fig. 1; A kind of energy-conservation water recovery apparatus that improves the solar water heating system of solar energy utilization ratio comprises solar water container 1, concentrates water tank 2, and solar water container is connected with concentrated water tank through concentrating water tank water intake pump 3; Solar water container connects into cold water pipe 4; Solar water container 1 also forces circulating pump 5 to be connected to solar thermal collector 6 through solar energy, and solar thermal collector is connected to solar water container, and solar water container also connects heat pump 7; Concentrated water tank meets water main 8, and the water main is also connected to return main 9; It is characterized in that the return main is connected to solar water container through solar water container magnetic valve 10; The return main is also through concentrating water tank magnetic valve 11 to be connected to concentrated water tank; Be provided with the solar energy temperature switch 121 of control solar water container magnetic valve break-make in the solar water container, also be provided with the concentrated temperature switch 122 that water tank magnetic valve break-make is concentrated in control in the solar water container.
When the water temperature of solar water container reached uniform temperature t2, the direct backwater of return main was to solar water container, and (when t2＞t1) was lower, return main's backwater was to concentrating water tank when solar water container temperature t 1.The mode of these two kinds of backwater can the very big temperature that influences water tank, can not influence the quality of water supply.Heat pump 7 is an assistant heating equipment.
Be provided with return water temperature switch 13 among the return main.The water main is provided with hot water electric butterfly valve 14.
See Fig. 1,2, TS1-1 represents timer-operated normal open switch, and S1 represents three position switch; KM1 represents A.C. contactor, can drive automatic back water pump or common back water pump 18, and TE1-1 represents return water temperature switch 13, and temperature switch 122 is concentrated in the TE2-1 representative; TE2-2 represents solar energy temperature switch 121, and water tank magnetic valve 11 is concentrated in the KA1 representative, and KA2 represents solar water container magnetic valve 10; KA3 represents hot water electric butterfly valve 14, and XD1 represents relay indicating light.
When timer is provided with regularly, through after the heating of certain hour, the connection of TS1-1 normal open switch, S1 three position switch are connected, 14 energisings of KA3 hot water electric butterfly valve, water main's heat supply water; If be not provided with regularly, S1 three position switch are directly connected, 14 energisings of KA3 hot water electric butterfly valve, water main's 8 heat supply water.
Return main's temperature reduces behind the heat supply water; This moment is if return water temperature switch TE1-1 detects water temperature and drops to uniform temperature; The normally closed switch contacting; If at this moment the TE2-1 normal open switch detects solar water container temperature t 1 lower the time, KA1 concentrates 11 energisings of water tank magnetic valve, and return main's 9 backwater are to concentrating water tank 2; If at this moment the TE2-2 normal open switch water temperature that detects solar water container reach uniform temperature t2 (during t2＞t1), 10 energisings of KA2 solar water container magnetic valve, the direct backwater of return main is to solar water container 1.
Water in the solar water container 1 is through the heat collector heating, and behind solar light irradiation heat collector heating certain hour, water temperature raises gradually in the vacuum tube.When point for measuring temperature on the vacuum tube square formation and following point for measuring temperature certain temperature difference is arranged the time, startup forced circulation pump 5 is clamp-oned the solar energy water upper box part to the hot water in the vacuum tube square formation, the cold water of warming solar energy lower box part is pumped down to the vacuum tube square formation; When temperature difference during less than certain limit, stop the forced circulation pump work, the water temperature in the solar water container is raise gradually.
Concentrated water tank also connects air source heat pump 7, and air source heat pump connects back concentrated water tank again through heat pump cycle pump 15.When cloudy day or night, when sunshine was not enough, air source heat pump work added hot water.
The heat pump that solar water container connects is an air source heat pump 7, and air source heat pump connects back solar water container again through heat pump cycle pump 15.When cloudy day or night, when sunshine was not enough, air source heat pump work added hot water.
The cold water pipe that advances that solar water container connects is provided with cold water water filter 16, cold water magnetic valve 17.Cold water covers in the solar water container through the cold water magnetic valve, and when using hot water, the solar water container water level descends gradually; When falling designated water level; The cold water magnetic valve is opened automatically, in solar water container, supplies water, and when water level rises to designated water level in the solar water container, closes automatically.
Claims (4)
1. energy-conservation water recovery apparatus that improves the solar water heating system of solar energy utilization ratio; Comprise solar water container (1), concentrate water tank (2); Solar water container is connected with concentrated water tank through concentrating water tank water intake pump (3), and solar water container connects into cold water pipe (4), and solar water container (1) also forces circulating pump (5) to be connected to solar thermal collector (6) through solar energy; Solar thermal collector connects back solar water container again then; Solar water container also connects heat pump (7), and concentrated water tank meets water main (8), and the water main is also connected to return main (9); It is characterized in that the return main passes through solar water container magnetic valve (10) and is connected to solar water container; The return main is also through concentrating water tank magnetic valve (11) to be connected to concentrated water tank; Be provided with the solar energy temperature switch (121) of control solar water container magnetic valve break-make in the solar water container, also be provided with the concentrated temperature switch (122) that water tank magnetic valve break-make is concentrated in control in the solar water container; Be provided with return water temperature switch (13) among the said return main.
2. a kind of energy-conservation water recovery apparatus that improves the solar water heating system of solar energy utilization ratio according to claim 1 is characterized in that said water main is provided with hot water electric butterfly valve (14).
3. a kind of energy-conservation water recovery apparatus that improves the solar water heating system of solar energy utilization ratio according to claim 1; It is characterized in that said concentrated water tank also connects air source heat pump (7), air source heat pump connects back concentrated water tank again through heat pump cycle pump (15).
4. a kind of energy-conservation water recovery apparatus that improves the solar water heating system of solar energy utilization ratio according to claim 1 is characterized in that the cold water pipe that advances that said solar water container connects is provided with cold water water filter (16), cold water magnetic valve (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102858381A CN101949599B (en) | 2010-09-11 | 2010-09-11 | Solar water heating system energy-saving water return device for enhancing solar energy utilization rate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102858381A CN101949599B (en) | 2010-09-11 | 2010-09-11 | Solar water heating system energy-saving water return device for enhancing solar energy utilization rate |
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| Publication Number | Publication Date |
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| CN101949599A CN101949599A (en) | 2011-01-19 |
| CN101949599B true CN101949599B (en) | 2012-02-29 |
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| CN2010102858381A Expired - Fee Related CN101949599B (en) | 2010-09-11 | 2010-09-11 | Solar water heating system energy-saving water return device for enhancing solar energy utilization rate |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305430A (en) * | 2011-09-20 | 2012-01-04 | 海南师范大学 | Novel solar water heating system suitable for use in tropical area |
| CN104061692A (en) * | 2013-03-22 | 2014-09-24 | 天津市滨海新区九马能源工程技术有限公司 | Solar water heating system |
Citations (8)
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|---|---|---|---|---|
| GB1558733A (en) * | 1977-01-11 | 1980-01-09 | Fischer Ag Georg | System for solar heating of a liquid |
| US4232655A (en) * | 1978-06-26 | 1980-11-11 | Owens-Illinois, Inc. | Solar energy collection |
| CN1299038A (en) * | 2000-12-05 | 2001-06-13 | 上海建筑技术投资发展有限公司 | Solar energy water-heating system |
| CN1412501A (en) * | 2002-12-12 | 2003-04-23 | 杨家华 | Optitherm centralized heat-supplying system |
| CN1786592A (en) * | 2005-12-16 | 2006-06-14 | 张建高 | Central solar energy water heating system capable of using various heat collectors |
| CN2893549Y (en) * | 2006-05-23 | 2007-04-25 | 云南天地行节能科技有限公司 | Solar energy heat water relay barrel and pipeline and control mechanism thereof |
| CN201014756Y (en) * | 2006-08-03 | 2008-01-30 | 万志坚 | Multi-circulation solar water heater and thermal insulation water tank of electric water heater |
| CN201819442U (en) * | 2010-09-11 | 2011-05-04 | 广东红日太阳能有限公司 | Energy-saving water return device of solar hot water system capable of improving solar energy utilization rate |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57161429A (en) * | 1981-03-28 | 1982-10-05 | Hiroshi Akashi | Heating and hot water supply system utilizing solar heat |
-
2010
- 2010-09-11 CN CN2010102858381A patent/CN101949599B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1558733A (en) * | 1977-01-11 | 1980-01-09 | Fischer Ag Georg | System for solar heating of a liquid |
| US4232655A (en) * | 1978-06-26 | 1980-11-11 | Owens-Illinois, Inc. | Solar energy collection |
| CN1299038A (en) * | 2000-12-05 | 2001-06-13 | 上海建筑技术投资发展有限公司 | Solar energy water-heating system |
| CN1412501A (en) * | 2002-12-12 | 2003-04-23 | 杨家华 | Optitherm centralized heat-supplying system |
| CN1786592A (en) * | 2005-12-16 | 2006-06-14 | 张建高 | Central solar energy water heating system capable of using various heat collectors |
| CN2893549Y (en) * | 2006-05-23 | 2007-04-25 | 云南天地行节能科技有限公司 | Solar energy heat water relay barrel and pipeline and control mechanism thereof |
| CN201014756Y (en) * | 2006-08-03 | 2008-01-30 | 万志坚 | Multi-circulation solar water heater and thermal insulation water tank of electric water heater |
| CN201819442U (en) * | 2010-09-11 | 2011-05-04 | 广东红日太阳能有限公司 | Energy-saving water return device of solar hot water system capable of improving solar energy utilization rate |
Non-Patent Citations (1)
| Title |
|---|
| JP昭57-161429A 1982.10.05 |
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| CN101949599A (en) | 2011-01-19 |
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| C14 | Grant of patent or utility model | ||
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| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG HONEE ENERGY-SAVING ENVIRONMENTAL PROTEC Free format text: FORMER NAME: GUANGDONG HONGRI SOLAR ENERGY CO., LTD. |
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Address after: 528400 Guangdong Province, Zhongshan city Dongming road Shiqi District Private Science and Technology Park Hing Fat Road No. 1 Patentee after: Guangdong red sun energy-conserving and environment-protective Science and Technology Ltd. Address before: 528400 private science and Technology Park, Dongming North Road, Shiqi District, Guangdong, Zhongshan Patentee before: Guangdong Hongri Solar Energy Co., Ltd. |
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| 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: 20120229 Termination date: 20170911 |