CN114893813A - First station of multi-energy complementary green energy heat supply network - Google Patents
First station of multi-energy complementary green energy heat supply network Download PDFInfo
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- CN114893813A CN114893813A CN202210559020.7A CN202210559020A CN114893813A CN 114893813 A CN114893813 A CN 114893813A CN 202210559020 A CN202210559020 A CN 202210559020A CN 114893813 A CN114893813 A CN 114893813A
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- 230000000295 complement effect Effects 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 122
- 238000005338 heat storage Methods 0.000 claims abstract description 54
- 239000012530 fluid Substances 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 12
- 238000010248 power generation Methods 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 7
- 238000005485 electric heating Methods 0.000 claims description 5
- 230000003020 moisturizing effect Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 description 12
- 230000005611 electricity Effects 0.000 description 11
- 230000001105 regulatory effect Effects 0.000 description 11
- 238000009825 accumulation Methods 0.000 description 9
- 230000001502 supplementing effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 244000062793 Sorghum vulgare Species 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 235000019713 millet Nutrition 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D12/00—Other central heating systems
- F24D12/02—Other central heating systems having more than one heat source
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/08—Electric heater
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/12—Heat pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/14—Solar energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/32—Heat sources or energy sources involving multiple heat sources in combination or as alternative heat sources
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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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a multi-energy complementary green energy source heat supply network initial station, which comprises a solar heat collection system, a heat exchanger, a heat storage water tank, an air source heat pump system and a photovoltaic electric heat storage system, wherein the solar heat collection system comprises a solar heat collector, a solar heat exchanger, a solar heat collector; a first circulation loop is formed between the solar heat collection system and the heat exchanger; a second circulation loop, a third circulation loop and a fourth circulation loop are formed between the hot water storage tank and the heat exchanger, the air source heat pump system and the photovoltaic electric heat storage system respectively; the hot water storage tank is connected to a hot user through a pipeline, and the hot user leading-out pipeline is connected to the hot water storage tank; the fluid in the solar heat collection system flows along the first circulation loop in a single direction, the flow direction of the water in the heat storage water tank flows along the second circulation loop in a single direction, the flow direction of the water in the heat storage water tank flows along the third circulation loop in a single direction, the flow direction of the water in the heat storage water tank flows along the fourth circulation loop in a single direction, and the water flows from the heat storage water tank to a heat user; the heat supply backwater generated by the heat user flows into the hot water storage tank through a pipeline.
Description
Technical Field
The invention relates to the field of new energy supply, in particular to a multi-energy complementary green energy heat supply network head station.
Background
The conventional heat supply network first station generally adopts low-pressure extraction steam (the pressure is usually 0.4MPa) of a steam turbine to heat heating return water through a heat supply network heater and then sends the heating return water into a heat supply network to supply heat to the outside. Although the efficiency of cogeneration is higher than that of a hot water boiler, the heat supply of the unit is restricted by the load of the unit, so that the unit has certain limitation, the coal-fired unit usually has pollutant discharge to cause certain pollution to the environment, the conventional heat supply network head station can only provide heating hot water with one parameter, and the equipment occupies large area and is not easy to arrange.
Disclosure of Invention
In view of the defects of the conventional heat supply network head station at present, the invention provides a multifunctional complementary green energy heat supply network head station, which can realize green and pollution-free heating process; heating hot water with two parameters of high and low can be provided, and more requirements are met; the floor area is reduced, and the arrangement is easy.
In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme:
a first station of a multi-energy complementary green energy heat supply network comprises a solar heat collection system, a heat exchanger, a heat storage water tank, an air source heat pump system and a photovoltaic electric heat storage system; the solar heat collection system is characterized in that a leading-out pipeline of the solar heat collection system is connected to a heat exchanger, a leading-out pipeline of the heat exchanger is connected to the solar heat collection system, and a first circulation loop is formed between the solar heat collection system and the heat exchanger; the hot water storage tank is connected to the heat exchanger through a leading-out pipeline, the heat exchanger is connected to the hot water storage tank through a leading-out pipeline, and a second circulation loop is formed between the hot water storage tank and the heat exchanger; the hot water storage tank is connected to a hot user through a pipeline, and the hot user leading-out pipeline is connected to the hot water storage tank; the fluid in the solar heat collection system flows along the first circulation loop in a single direction, the flow direction of the water in the heat storage water tank flows along the second circulation loop in a single direction, and the water flows from the heat storage water tank to a heat user; and the heat supply backwater generated by the heat user flows into the heat storage water tank through a pipeline.
The first circulation loop is provided with a liquid supplementing tank and an expansion tank, the liquid supplementing tank can supplement liquid in the first circulation loop, and the expansion tank can prevent the liquid in the loop from damaging a pipeline due to volume expansion caused by heat or low temperature.
Photovoltaic electricity heat accumulation system includes photovoltaic power generation device, electric heater unit and electric heat accumulation boiler, photovoltaic power generation device and electric heater unit electric connection, and electric heater unit sets up in electric heat accumulation boiler, and photovoltaic electricity heat accumulation system passes through photovoltaic power generation device and turns into the electric energy with solar energy, and the rethread electric heater unit heats the water in the electric heat accumulation boiler, turns into the electric energy heat energy and stores.
The water outlet of the electric heat storage boiler is connected to a water storage tank through a pipeline, the hot water storage tank is connected to the water inlet of the electric heat storage boiler through a pipeline, and a third circulation loop is formed between the hot water storage tank and the electric heat storage boiler; the water in the electric heat storage boiler flows in a one-way circulating mode along the third circulating loop in the flowing direction, so that the temperature of the water in the heat storage water tank is gradually increased.
The water outlet of the electric heat storage boiler is connected to a heat consumer through a pipeline; the water in the electric heat storage boiler can be directly conveyed to a heat user through the pipeline, and relatively high-parameter hot water can be provided for the user.
The photovoltaic electric heat storage system is electrically connected to a power grid, so that the photovoltaic electric heat storage system can also take electricity from the power grid.
A water outlet of the air source heat pump system is connected to a hot water storage tank through a pipeline, the hot water storage tank is connected to a water inlet of the air source heat pump system through a pipeline, and a fourth circulation loop is formed between the hot water storage tank and the air source heat pump system; the air source heat pump can absorb heat energy in the air and output hot water, and the water in the air source heat pump flows along the fourth circulation loop in a one-way circulation mode.
The operation mode of the invention is to utilize solar energy absorbed by the solar thermal collector and the photovoltaic as far as possible to supply heat to the outside, operate the air source heat pump at night or when the solar energy is insufficient, and simultaneously connect power grid electricity to the electric heat storage boiler so as to ensure the heating demand of heat consumers, and utilize the power grid electricity at night to play the roles of peak clipping and valley filling, reducing the power waste and reasonably allocating resources.
The first circulation loop and the second circulation loop are independent from each other, fluid in the first circulation loop is not in direct contact with water in the second circulation loop, so that the stability of the system can be improved, and meanwhile, a medium different from the second circulation loop can be selected from the first circulation loop, so that the solar energy conversion efficiency and the heat exchanger efficiency are improved as much as possible.
The water storage tank is provided with a pipeline for receiving chemical water replenishing, the water replenishing of the water storage tank comes from hot user backwater and chemical water replenishing, the hot user backwater is completely injected into the water storage tank, and the chemical water replenishing is input into the water storage tank through the regulating valve, so that the water level of the water storage tank can be dynamically regulated.
The implementation of the invention has the advantages that:
through multi-energy complementary heat supply, the solar heat collection system and the photovoltaic heat storage system are utilized to absorb solar energy as much as possible to supply heat to the outside, when the solar energy is not enough to meet the heat supply requirement, the air source heat pump can be started, the heat in the air is utilized, meanwhile, the photovoltaic heat storage system can also use the power grid for electric heat supply, the heat supply effect is ensured, fossil energy is not consumed, the environment is protected, energy is saved, pollution is avoided, the photovoltaic heat storage system can provide hot water with high and low parameters for a heat user by matching with the heat storage water tank, the fluid circulation of the solar heat collection system and the water circulation of the heating system are mutually independent, heat exchange is carried out through the heat exchanger, and the stability of the system is improved; the solar heat collection device and the photovoltaic power generation device can be arranged on the roof and other places, and the actual installation floor area is small.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a primary station of a multi-energy complementary green energy heat supply network according to the present invention.
The reference numerals denote:
1. a solar energy collection system; 11. a solar heat collection device; 12. an expansion tank; 13. a heat collection circulating pump; 14. a liquid replenishing box; 15. a liquid supplementing pump; 2. a heat exchanger; 3. a hot water storage tank; 31. a first hot water circulation pump; 32. a first heat supply network circulation pump; 33. a first regulating valve; 4. an air source heat pump system; 41. an air source heat pump; 42. a heat pump circulation pump; 5. a photovoltaic electric thermal storage system; 51. a photovoltaic power generation device; 52. an electric heating device; 53. an electric heat storage boiler; 54. a second hot water circulating pump; 55. a second regulating valve; 56. a second heat supply network circulation pump; 57. and a third regulating valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a complementary green energy heat supply network initial station of multipotency, including solar energy collection system 1, heat exchanger 2, hot water storage tank 3, air source heat pump system 4 and photovoltaic electricity heat accumulation system 5, solar energy collection system 1 sets up in 2 one sides of heat exchanger and forms circulation circuit with heat exchanger 2, heat storage tank 3 sets up in 2 opposite sides of heat exchanger and forms circulation circuit with heat exchanger 2, air source heat pump system 4 links to each other and forms circulation circuit with hot water storage tank 3 through the pipeline with hot water storage tank 3, photovoltaic electricity heat accumulation system 5 links to each other and forms circulation circuit with hot water storage tank 3 through the pipeline with hot water storage tank 3.
The solar heat collection system 1 comprises a solar heat collection device 11, an expansion tank 12, a heat collection circulating pump 13, a liquid supplementing tank 14 and a liquid supplementing pump 15, the heat collection circulating pump 13 is connected in series in a loop formed by the solar heat collection system 1 and the heat exchanger 2, the expansion tank 12 is arranged on the loop formed by the solar heat collection system 1 and the heat exchanger 2, the liquid supplementing tank 14 is arranged on the loop formed by the solar heat collection system 1 and the heat exchanger 2, the liquid supplementing pump 15 is arranged between the liquid supplementing tank 14 and the loop, and when sunlight is sufficient in the daytime, the solar heat collector absorbs solar heat and transfers the heat energy to hot water on the heating side through the heat exchanger, and the hot water is stored in a heat storage water tank.
The first hot water circulating pump 31 is arranged on the circulating loop between the hot water storage tank 3 and the heat exchanger 2 in series, so that pressure drop can be compensated for the circulating loop, and smooth circulation is guaranteed.
It links to each other with hot user to store up to be provided with the interface on the hot water storage tank 3, is provided with first heat supply network circulating pump 32 between hot water storage tank 3 and the hot user, it is used for receiving hot user's return water still to be provided with the interface on the hot water storage tank 3, it is used for receiving chemical moisturizing still to be provided with the interface on the hot water storage tank 3, still be provided with first governing valve 33 between chemical moisturizing and the hot water storage tank 3 and be used for adjusting the water yield that chemical moisturizing got into hot water storage tank 3, guarantees the water level of hot water storage tank 3.
The air source heat pump system 4 is composed of an air source heat pump 41 and a heat pump circulating pump 42, the heat pump circulating pump 42 is connected in series on a circulating loop between the air source heat pump system 4 and the hot water storage tank, and the air source heat pump system 4 absorbs heat in the air through the air source heat pump to prepare hot water and store the hot water in the hot water storage tank 3.
The photovoltaic electric heat storage system 5 comprises a photovoltaic power generation device 51, an electric heating device 52, an electric heat storage boiler 53, a second hot water circulating pump 54, a second regulating valve 55, a second heat supply network circulating pump 56 and a third regulating valve 57, wherein the second hot water circulating pump 54 and the second regulating valve 55 are arranged in series in a circulating loop formed by the photovoltaic electric heat storage system 5 and the hot water storage tank 3.
The photovoltaic electric heat storage system 5 is also connected with a heat consumer, and a second heat supply network circulating pump 56 and a third regulating valve 57 are arranged between the photovoltaic electric heat storage system 5 and the heat consumer.
The electric energy of the photovoltaic power generation is stored in the electric heat storage boiler 53 in the form of heat energy, and high-temperature hot water can be output to heat supply users as required. The high-temperature hot water from the electric heat storage boiler 53 can be directly supplied to the high-temperature heating users through the second heat supply network circulation pump 56 and the third regulating valve 57, and also can be returned to the heat storage water tank 3 through the second regulating valve 55, and then supplied to the low-temperature heating users through the second hot water circulation pump 54.
Photovoltaic electricity heat accumulation system 5 still links to each other with the electric wire netting, can follow the electric wire netting and get the electricity, operates air source heat pump when night or solar energy are not enough, and photovoltaic electricity heat accumulation system 5 uses electric wire netting electricity operation this moment, guarantees hot consumer's heating demand, and the power consumption also can cooperate the peak clipping to fill up the millet when the power consumption low ebb simultaneously, reduces electric power waste.
The implementation of the invention has the advantages that:
through multi-energy complementary heat supply, the solar heat collection system and the photovoltaic heat storage system are utilized to absorb solar energy as much as possible to supply heat to the outside, when the solar energy is not enough to meet the heat supply requirement, the air source heat pump can be started, the heat in the air is utilized, meanwhile, the photovoltaic heat storage system can also use the power grid for electric heat supply, the heat supply effect is ensured, fossil energy is not consumed, the environment is protected, energy is saved, pollution is avoided, the photovoltaic heat storage system can provide hot water with high and low parameters for a heat user by matching with the heat storage water tank, the fluid circulation of the solar heat collection system and the water circulation of the heating system are mutually independent, heat exchange is carried out through the heat exchanger, and the stability of the system is improved; the solar heat collection device and the photovoltaic power generation device can be arranged on the roof and other places, and the actual installation floor area is small.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention disclosed herein are intended to be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (9)
1. The first station of the multi-energy complementary green energy heat supply network is characterized by comprising a solar heat collection system (1), a heat exchanger (2), a hot water storage tank (3), an air source heat pump system (4) and a photovoltaic electric heat storage system (5); the solar heat collection system (1) is connected with the heat exchanger (2) through a pipeline to form a first circulation loop; the heat storage water tank (3) is connected with the heat exchanger (2) through a pipeline to form a second circulation loop; the air source heat pump system (4) is connected with the heat storage water tank (3) through a pipeline to form a third circulation loop; the photovoltaic electric heat storage system (5) is connected with the hot water storage tank (3) through a pipeline to form a fourth circulation loop; the hot water storage tank (3) is connected to a hot user through a pipeline, and the hot user leading-out pipeline is connected to the hot water storage tank (3); the fluid in the solar heat collection system (1) flows along the first circulation loop in a single direction, the water in the hot water storage tank (3) flows along the second circulation loop in a single direction, flows along the third circulation loop in a single direction, flows along the fourth circulation loop in a single direction, and flows from the hot water storage tank (3) to a heat consumer; the heat supply backwater generated by the heat user flows into the heat storage water tank (3) through a pipeline.
2. The multi-energy complementary green energy heat network head station according to claim 1, characterized in that the first circulation loop is provided with a liquid replenishing tank (14) and an expansion tank (12).
3. The primary station of the multi-energy complementary green energy heat supply network of claim 1, wherein the photovoltaic electric heat storage system (5) comprises a photovoltaic power generation device (51), an electric heating device (52) and an electric heat storage boiler (53), the photovoltaic power generation device (51) is electrically connected with the electric heating device (52), and the electric heating device (52) is arranged in the electric heat storage boiler (53).
4. The multi-energy complementary green energy heat network head station according to claim 3, characterized in that the water outlet of the electric heat storage boiler (53) is connected to the water storage tank (3) by a pipe, and the water storage tank (3) is connected to the water inlet of the electric heat storage boiler (53) by a pipe.
5. The multi-energy complementary green energy heat network head station according to claim 4, characterized in that the water outlet of the electric heat accumulating boiler (53) is connected to a heat consumer by a pipe; the water in the electric heat storage boiler (53) can be directly transported to the heat consumer through the pipe.
6. The multi-energy complementary green energy heat network head station according to claim 5, characterized in that the photovoltaic electric heat storage system (5) is electrically connected to the electric network.
7. The primary station of the multi-energy complementary green energy heat supply network according to claim 1, wherein the water outlet of the air source heat pump system (4) is connected to the hot water storage tank (3) through a pipeline, and the hot water storage tank (3) is connected to the water inlet of the air source heat pump system (4) through a pipeline.
8. The multipotent complementary green energy source heat network head station according to claim 1, wherein the first circulation loop and the second circulation loop are independent, and the fluid in the first circulation loop is not in direct contact with the water in the second circulation loop.
9. The multi-energy complementary green energy heat supply network head station according to claim 1, characterized in that the heat storage water tank (3) is provided with a pipeline for receiving chemical moisturizing water.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210559020.7A CN114893813A (en) | 2022-05-21 | 2022-05-21 | First station of multi-energy complementary green energy heat supply network |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210559020.7A CN114893813A (en) | 2022-05-21 | 2022-05-21 | First station of multi-energy complementary green energy heat supply network |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010151329A (en) * | 2008-12-24 | 2010-07-08 | Panasonic Corp | Storage type hot water supply apparatus |
| CN205579723U (en) * | 2016-03-24 | 2016-09-14 | 华北电力大学（保定） | Wind -powered electricity generation driven solar heating system |
| CN208846535U (en) * | 2018-07-11 | 2019-05-10 | 河北道荣新能源科技有限公司 | A kind of solar energy heating water energy storage air source heat pump heating system |
| CN208920194U (en) * | 2018-10-08 | 2019-05-31 | 苏州中利能源科技有限公司 | A kind of photovoltaic power generation and heat supply system of the family with heat accumulation function |
| CN110567024A (en) * | 2018-06-05 | 2019-12-13 | 江苏蓄能谷实业有限公司 | Solar valley electricity energy storage heat supply heating system |
| CN217816970U (en) * | 2022-05-21 | 2022-11-15 | 中机国能电力工程有限公司 | First station of multi-energy complementary green energy heat supply network |
-
2022
- 2022-05-21 CN CN202210559020.7A patent/CN114893813A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010151329A (en) * | 2008-12-24 | 2010-07-08 | Panasonic Corp | Storage type hot water supply apparatus |
| CN205579723U (en) * | 2016-03-24 | 2016-09-14 | 华北电力大学（保定） | Wind -powered electricity generation driven solar heating system |
| CN110567024A (en) * | 2018-06-05 | 2019-12-13 | 江苏蓄能谷实业有限公司 | Solar valley electricity energy storage heat supply heating system |
| CN208846535U (en) * | 2018-07-11 | 2019-05-10 | 河北道荣新能源科技有限公司 | A kind of solar energy heating water energy storage air source heat pump heating system |
| CN208920194U (en) * | 2018-10-08 | 2019-05-31 | 苏州中利能源科技有限公司 | A kind of photovoltaic power generation and heat supply system of the family with heat accumulation function |
| CN217816970U (en) * | 2022-05-21 | 2022-11-15 | 中机国能电力工程有限公司 | First station of multi-energy complementary green energy heat supply network |
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