CN114576690A - Distributed heating system and method for realizing wind-light network storage complementation - Google Patents
Distributed heating system and method for realizing wind-light network storage complementation Download PDFInfo
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- CN114576690A CN114576690A CN202210253511.9A CN202210253511A CN114576690A CN 114576690 A CN114576690 A CN 114576690A CN 202210253511 A CN202210253511 A CN 202210253511A CN 114576690 A CN114576690 A CN 114576690A
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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
- F24D15/00—Other domestic- or space-heating systems
- F24D15/02—Other domestic- or space-heating systems consisting of self-contained heating units, e.g. storage heaters
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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
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/40—Solar heat collectors combined with other heat sources, e.g. using electrical heating or heat from ambient air
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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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- Life Sciences & Earth Sciences (AREA)
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- Sustainable Energy (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a distributed heating system and a method for realizing wind-light network storage complementation, wherein a water outlet of an electric boiler is connected with one end of a first valve and one end of the first valve, the other end of a second valve is communicated with an inlet of a hot water storage tank, an outlet of the hot water storage tank is communicated with one end of a third valve, the other end of the third valve and the other end of the first valve are communicated with an inlet of a residential house heat exchanger, an outlet of the residential house heat exchanger is connected with one end of a sixth valve and one end of a fourth valve, the other end of the sixth valve is communicated with an inlet of a cold water storage tank, an outlet of the cold water storage tank is communicated with one end of a fifth valve, and the other end of the fifth valve and the other end of the fourth valve are communicated with a water inlet of the electric boiler after being connected in parallel through pipelines; the power interface of the boiler is connected with the public power supply, the wind power generation device and the solar power generation device, and the system and the method can realize clean heating.
Description
Technical Field
The invention relates to a heating system and a heating method, in particular to a wind-light network storage complementary distributed heating system and a wind-light network storage complementary distributed heating method.
Background
The Chinese area is wide, and the northern area has large heat supply load demand due to factors such as geographical position, air temperature and the like, and mainly uses resident heating. From the heat source composition, the coal-fired heating is still the main in the heating field in the north China. In recent years, large-scale long-time haze weather frequently appears in northern China in winter, adverse effects are caused to daily travel and physical and psychological health of people, and resident heating is one of important reasons causing severe haze in northern China in winter, so that further vigorous development of distributed clean heating becomes one of the most important measures for relieving haze in northern China in winter. Firstly, can solve the vast rural area in the north and disperse the problem that should not insert extensive municipal heating, secondly can make full use of winter abundant scene resource in the north for the resident realizes the centralized heating of small-scale in certain extent, reduce pollution discharge, however do not disclose the technique of utilizing clean heating among the prior art.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a wind-solar grid-storage complementary distributed heating system and method, which can realize clean heating.
In order to achieve the purpose, the distributed heating system for realizing wind-solar network storage complementation comprises a solar power generation device, a wind power generation device, an electric boiler, a hot water storage tank, a cold water storage tank, a heat exchanger of a residential house, a first valve, a second valve, a third valve, a fourth valve, a fifth valve, a sixth valve and a public power supply;
the water outlet of the electric boiler is connected with one end of a first valve and one end of the first valve, the other end of a second valve is communicated with the inlet of a hot water storage tank, the outlet of the hot water storage tank is communicated with one end of a third valve, the other end of the third valve and the other end of the first valve are communicated with the inlet of a resident house heat exchanger, the outlet of the resident house heat exchanger is connected with one end of a sixth valve and one end of a fourth valve, the other end of the sixth valve is communicated with the inlet of a cold water storage tank, the outlet of the cold water storage tank is communicated with one end of a fifth valve, and the other end of the fifth valve and the other end of the fourth valve are communicated with the water inlet of the electric boiler after being connected in parallel through pipelines;
and a power supply interface of the electric boiler is connected with a public power supply, a wind power generation device and a solar power generation device.
The power interface of the electric boiler is connected with a public power supply, a wind power generation device and a solar power generation device through a change-over switch.
The fifth valve and the fourth valve are communicated with the water inlet of the electric boiler through the first circulating pump after being connected in parallel through a pipeline.
The outlet of the heat exchanger of the residential building is connected with the sixth valve and the fourth valve through the second circulating pump.
The method for realizing wind-solar network storage complementation distributed heating comprises a direct heating mode, an energy storage operation mode, an energy storage heating mode and a heating and energy storage parallel heating mode.
In the direct heating mode, the wind power generation device and the solar power generation device are used as heating power supplies to heat the electric boiler, the second valve and the third valve are in a closed state, and the first valve is opened; the fifth valve and the sixth valve are in a closed state, and the fourth valve is opened.
In the energy storage operation mode, the wind power generation device and the solar power generation device are used as heating power supplies to heat the electric boiler, the second valve is in an open state, and the first valve and the third valve are closed; the fifth valve is in an open state, and the fourth valve and the sixth valve are closed.
In the energy storage and heat supply mode, the third valve is in an open state, and the first valve and the second valve are closed; the sixth valve is in an open state, and the fourth valve and the fifth valve are closed.
Under the heating and energy storage parallel heat supply mode, the wind power generation device and the solar power generation device serve as heating power supplies to heat the electric boiler, the second valve and the third valve are in an open state, the first valve is in a closed state, the fifth valve and the sixth valve are in an open state, and the fourth valve is closed.
The invention has the following beneficial effects:
when the system and the method for realizing wind-light network storage complementary distributed heating are in specific operation and at night, when wind power is sufficient, the wind power generation device generates power and is directly connected to the electric boiler as a power supply; in the daytime, solar energy is sufficient, and the solar power generation device generates power and is directly connected to the electric boiler as a power supply; when solar energy and wind power are sufficient, the solar energy and wind energy power generation device can be started to be connected into the electric boiler, and under the condition that the solar energy and the wind energy are insufficient, the public power supply can be used as a power supply to supply the electric boiler for emergency, so that external heat supply is realized, complementation and switching among the wind energy, the solar energy and the public power supply are realized, the requirement of regional heat supply is met, and clean heat supply is realized.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Wherein, 1 is solar power generation device, 2 is wind power generation device, 3 is electric boiler, 4 is hot water holding tank, 5 is cold water holding tank, 6 is resident's house heat exchanger, 7 is first circulating pump, 8 is the second circulating pump, 9 is first valve, 10 is the second valve, 11 is the third valve, 12 is the fourth valve, 13 is the fifth valve, 14 is the sixth valve, 15 is change over switch, 16 is public power supply.
Detailed Description
In order to make those skilled in the art better understand the technical solutions of the present invention, 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, not all of the embodiments, and do not limit the scope of the disclosure of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present disclosure. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, shall fall within the protection scope of the present invention.
There is shown in the drawings a schematic block diagram of a disclosed embodiment in accordance with the invention. The figures are not drawn to scale, wherein certain details are exaggerated and some details may be omitted for clarity of presentation. The shapes of various regions, layers and their relative sizes and positional relationships shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, according to actual needs.
Referring to fig. 1, the distributed heating system for realizing wind-solar network storage complementation according to the present invention includes a solar power generation apparatus 1, a wind power generation apparatus 2, an electric boiler 3, a hot water storage tank 4, a cold water storage tank 5, a residential building heat exchanger 6, a first circulation pump 7, a second circulation pump 8, a first valve 9, a second valve 10, a third valve 11, a fourth valve 12, a fifth valve 13, a sixth valve 14, a change-over switch 15, and a public power supply 16;
the water outlet of the electric boiler 3 is connected with one end of a first valve 9 and one end of the first valve 9, the other end of a second valve 10 is communicated with the inlet of a hot water storage tank 4, the outlet of the hot water storage tank 4 is communicated with one end of a third valve 11, the other end of the third valve 11 and the other end of the first valve 9 are communicated with the inlet of a residential building heat exchanger 6, the outlet of the residential building heat exchanger 6 is connected with one end of a sixth valve 14 and one end of a fourth valve 12 through a second circulating pump 8, the other end of the sixth valve 14 is communicated with the inlet of a cold water storage tank 5, the outlet of the cold water storage tank 5 is communicated with one end of a fifth valve 13, and the other end of the fifth valve 13 and the other end of the fourth valve 12 are communicated with the water inlet of the electric boiler 3 through a first circulating pump 7 after being connected through pipelines and pipes;
the power interface of the electric boiler 3 is connected with the public power supply 16, the wind power generation device 2 and the solar power generation device 1 through the selector switch 15.
When the wind power generation device works, the wind power generation device 2 generates power to be directly connected to the electric boiler 3 as a power supply at night when wind power is sufficient; in the daytime, solar energy is sufficient, and the solar power generation device 1 generates power and is directly connected to the electric boiler 3 as a power supply; when the solar energy and the wind power are sufficient, the solar energy and wind energy generating device can be started to be connected into the electric boiler 3. Under the condition that solar energy and wind energy are insufficient, the public power supply 16 can be used as a power supply to supply power to the electric boiler 3 for emergency, so that external heat supply is realized, complementation and switching among the wind energy, the solar energy and the public power supply 16 are realized, and the requirement of regional heat supply is met.
Under the condition that the heating area of residents is limited and the system is rich in heat, the cold water storage tank 5 and the hot water storage tank 4 are arranged according to the needs, and the hot water heated by the electric boiler 3 can be stored in the hot water storage tank 4, so that the cold water storage tank 5 → the electric boiler 3 → the circulating pump → the hot water storage tank 4 circulates, and the redundant heat is stored. When heat is needed, the hot water storage tank 4 → the residential house heat exchanger 6 → the circulating pump → the cold water storage tank 5 form a circulation to supply heat to the outside, and the heat is regulated by the cold water storage tank 5 and the hot water storage tank 4, so that the complementary heat supply of wind, light, net and energy storage is realized.
The invention comprises a direct heating heat supply mode, an energy storage operation mode, an energy storage heat supply mode and a heating and energy storage parallel heat supply mode;
in the direct heating mode, the wind power generation device 2 and the solar power generation device 1 are used as heating power supplies to heat the electric boiler 3, the second valve 10 and the third valve 11 are in a closed state, and the first valve 9 is opened; the fifth valve 13 and the sixth valve 14 are in a closed state, and the fourth valve 12 is opened, so that the electric boiler 3 → the first circulating pump 7 → the heat exchanger 6 of the residential building directly heats the heat supply system;
in the energy storage operation mode, the wind power generation device 2 and the solar power generation device 1 are used as heating power sources to heat the electric boiler 3, the second valve 10 is in an open state, and the first valve 9 and the third valve 11 are closed; the fifth valve 13 is in an open state, and the fourth valve 12 and the sixth valve 14 are closed, so that an energy storage operation mode of the cold water storage tank 5 → the electric boiler 3 → the first circulating pump 7 → the hot water storage tank 4 is formed;
in the energy storage and heat supply mode, when the external energy source is interrupted, the third valve 11 is in an open state, and the first valve 9 and the second valve 10 are closed; the sixth valve 14 is in an open state, the fourth valve 12 and the fifth valve 13 are closed, and an energy storage and heat supply operation mode of the hot water storage tank 4 → the residential house heat exchanger 6 → the second circulating pump 8 → the cold water storage tank 5 is formed;
in the heating and energy storage parallel heat supply mode, the wind power generation device 2 and the solar power generation device 1 heat the electric boiler 3 as a heating power supply, the second valve 10 and the third valve 11 are in an open state, the first valve 9 is in a closed state, the fifth valve 13 and the sixth valve 14 are in an open state, and the fourth valve 12 is closed, so that the electric boiler 3 → the hot water storage tank 4 → the residential house heat exchanger 6 → the second circulating pump 8 → the cold water storage tank 5 → the first circulating pump 7 → the electric boiler 3 is in the heating and energy storage parallel heat supply mode.
Claims (9)
1. A distributed heating system for realizing wind-solar network storage complementation is characterized by comprising a solar power generation device (1), a wind power generation device (2), an electric boiler (3), a hot water storage tank (4), a cold water storage tank (5), a residential house heat exchanger (6), a first valve (9), a second valve (10), a third valve (11), a fourth valve (12), a fifth valve (13), a sixth valve (14) and a public power supply (16);
the water outlet of the electric boiler (3) is connected with one end of a first valve (9) and one end of the first valve (9), the other end of a second valve (10) is communicated with the inlet of a hot water storage tank (4), the outlet of the hot water storage tank (4) is communicated with one end of a third valve (11), the other end of the third valve (11) and the other end of the first valve (9) are communicated with the inlet of a residential house heat exchanger (6), the outlet of the residential house heat exchanger (6) is connected with one end of a sixth valve (14) and one end of a fourth valve (12), the other end of the sixth valve (14) is communicated with the inlet of a cold water storage tank (5), the outlet of the cold water storage tank (5) is communicated with one end of a fifth valve (13), and the other ends of the fifth valve (13) and the fourth valve (12) are communicated with the water inlet of the electric boiler (3) after being connected through pipelines and pipes;
the power interface of the electric boiler (3) is connected with the public power supply (16), the wind power generation device (2) and the solar power generation device (1).
2. A system for realizing wind, light, grid and storage complementary distributed heating according to claim 1, characterized in that the power supply interface of the electric boiler (3) is connected with the public power supply (16), the wind power generation device (2) and the solar power generation device (1) through a selector switch (15).
3. The system of claim 1, wherein the fifth valve (13) and the fourth valve (12) are connected to the water inlet of the electric boiler (3) via a first circulation pump (7) after being connected to each other via a pipeline.
4. A system for realizing wind, light, net and store complementary distributed heating according to claim 1, characterized in that the outlet of the residential house heat exchanger (6) is connected with the sixth valve (14) and the fourth valve (12) through the second circulation pump (8).
5. A distributed heating method for realizing wind-solar network storage complementation is characterized by comprising a direct heating mode, an energy storage operation mode, an energy storage heating mode and a heating and energy storage parallel heating mode.
6. The method for realizing wind-solar grid-storage complementary distributed heating according to claim 5, wherein in the direct heating and heating mode, the wind power generation device (2) and the solar power generation device (1) are used as heating power sources to heat the electric boiler (3), the second valve (10) and the third valve (11) are in a closed state, and the first valve (9) is opened; the fifth valve (13) and the sixth valve (14) are in a closed state, and the fourth valve (12) is opened.
7. The method for realizing wind-solar grid-storage complementary distributed heating according to claim 5, wherein in the energy storage operation mode, the wind power generation device (2) and the solar power generation device (1) are used as a heating power supply to heat the electric boiler (3), the second valve (10) is in an open state, and the first valve (9) and the third valve (11) are closed; the fifth valve (13) is in an open state, and the fourth valve (12) and the sixth valve (14) are closed.
8. A method for realizing wind-solar grid-storage complementary distributed heating according to claim 5, characterized in that in the energy-storage heating mode, the third valve (11) is in an open state, and the first valve (9) and the second valve (10) are closed; the sixth valve (14) is in an open state, and the fourth valve (12) and the fifth valve (13) are closed.
9. The method for realizing wind-solar grid-storage complementary distributed heating according to claim 5, wherein in the heating and energy-storage parallel heating mode, the wind power generation device (2) and the solar power generation device (1) serve as a heating power supply to heat the electric boiler (3), the second valve (10) and the third valve (11) are in an open state, the first valve (9) is in a closed state, the fifth valve (13) and the sixth valve (14) are in an open state, and the fourth valve (12) is closed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210253511.9A CN114576690A (en) | 2022-03-15 | 2022-03-15 | Distributed heating system and method for realizing wind-light network storage complementation |
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| CN202210253511.9A CN114576690A (en) | 2022-03-15 | 2022-03-15 | Distributed heating system and method for realizing wind-light network storage complementation |
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| CN202210253511.9A Pending CN114576690A (en) | 2022-03-15 | 2022-03-15 | Distributed heating system and method for realizing wind-light network storage complementation |
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| US20210131746A1 (en) * | 2019-10-30 | 2021-05-06 | Tsuchiya Dairy Equipment Manufacturing Co. | Heat source storage system utilizing solar power generation |
| CN113472010A (en) * | 2021-07-02 | 2021-10-01 | 南京品会聚能科技有限公司 | Six-in-one stable photovoltaic power generation system |
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2022
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Patent Citations (7)
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| CN205137914U (en) * | 2015-11-03 | 2016-04-06 | 百吉瑞（天津）新能源有限公司 | Industry heating of electric power heating fused salt energy storage |
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| CN106322485A (en) * | 2016-09-30 | 2017-01-11 | 西安热工研究院有限公司 | Thermoelectricity energy storage distributed heat supply system |
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| US20210131746A1 (en) * | 2019-10-30 | 2021-05-06 | Tsuchiya Dairy Equipment Manufacturing Co. | Heat source storage system utilizing solar power generation |
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