CN111365747A - Multi-energy complementary heating system and heating method - Google Patents

Multi-energy complementary heating system and heating method Download PDF

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Publication number
CN111365747A
CN111365747A CN201811592568.1A CN201811592568A CN111365747A CN 111365747 A CN111365747 A CN 111365747A CN 201811592568 A CN201811592568 A CN 201811592568A CN 111365747 A CN111365747 A CN 111365747A
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heat
liquid
valve
heating device
heating
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陈辉
杨豫森
崔华
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Hepu Technology Development Beijing Co Ltd
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Hepu Technology Development Beijing Co Ltd
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Priority to CN201811592568.1A priority Critical patent/CN111365747A/en
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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
    • F24D3/00—Hot-water central heating systems
    • F24D3/005—Hot-water central heating systems combined with solar energy
    • 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
    • F24D19/1045—Arrangement or mounting of control or safety devices for water heating systems for central heating the system uses a heat pump and solar energy
    • 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
    • F24D3/00—Hot-water central heating systems
    • F24D3/18—Hot-water central heating systems using heat pumps
    • 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
    • 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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  • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

The invention discloses a multi-energy complementary heating system which comprises a solar heat collector (1), a heating device (2), a circulating pump (3), a first valve (4) and a second valve (5), wherein a heat supply network water return pipeline is connected with a liquid inlet of the first valve (4), a first liquid outlet of the first valve (4) is connected with a liquid inlet of the circulating pump (3), a liquid outlet of the circulating pump (3) is connected with a liquid inlet of the solar heat collector (1), a liquid outlet of the solar heat collector (1) is connected with a liquid inlet of the heating device (2), a liquid outlet of the heating device (2) is connected with a liquid inlet of the second valve (5), and a first liquid outlet of the second valve (5) is connected with a heat supply network water supply pipeline. The invention has the beneficial effects that: so that the complete clean complementary solar heating can be utilized.

Description

Multi-energy complementary heating system and heating method
Technical Field
The invention relates to the technical field of heat supply, in particular to a multi-energy complementary heat supply system and a heat supply method.
Background
The heat pump system has the advantages that various low-grade renewable clean energy sources are developed and utilized as heat sources of the heat pump to supply cold and heat for buildings, and the heat pump system has important practical significance for building energy conservation and environmental protection. Solar energy is a renewable clean energy source, and a solar water heating system is widely used. The solar energy is utilized for building heating, and the implementation cases are few at present, and the main reason is that the solar energy alone is insufficient for meeting the building heating requirement.
Therefore, a part of underground water source heat pump coupling solar heating system appears, but the water source heat pump has huge investment and can damage and pollute the underground water source. Therefore, how to supplement the heat for solar heating by using clean energy has been a subject of many researchers.
For example, domestic patent 201510979953.1 discloses a multi-energy complementary heating system, which employs a heat pipe flat plate type solar heat collector coupled with a steam compression heating circulation system and a gas boiler. However, the system adopts a gas boiler, so that the problem of smoke emission pollution is inevitably generated. Therefore, how to solve the problem of complementary solar heating by using completely clean complementary heat energy becomes the problem concerned and solved by the invention.
In order to overcome the defects and shortcomings in the prior art, the invention discloses a multi-energy complementary heating system.
Disclosure of Invention
An object of the present invention is to provide a multi-energy complementary heating system and a heating method, which enable complementary solar heating using completely clean supplementary heating energy.
Specifically, the invention is realized by the following technical scheme:
the utility model provides a complementary heating system of multipotency, heating system includes that solar collector (1), heating device (2), circulating pump (3), valve, connecting line and heat supply network supply liquid and return the liquid pipeline, return the liquid pipeline and connect solar collector (1) through circulating pump (3) pressure boost, solar collector (1) liquid outlet is connected heating device (2), heating device (2) liquid outlet is connected the heat supply network and is supplied the liquid pipeline, heating device (2) are heat pump and/or electric boiler.
Preferably, the valve comprises a first valve (4) and a second valve (5), a heat supply network water return pipeline is connected with a liquid inlet of the first valve (4), a first liquid outlet of the first valve (4) is connected with a liquid inlet of a circulating pump (3), a liquid outlet of the circulating pump (3) is connected with a liquid inlet of the solar heat collector (1), a liquid outlet of the solar heat collector (1) is connected with a liquid inlet of the heating device (2), a liquid outlet of the heating device (2) is connected with a liquid inlet of the second valve (5), and a first liquid outlet of the second valve (5) is connected with a heat supply network water supply pipeline; a first one-way valve (11) is connected between the liquid outlet of the circulating pump (3) and the liquid inlet of the solar heat collector (1); a second one-way valve (21) is connected between the liquid outlet of the solar heat collector (1) and the liquid inlet of the heating device (2), and a third one-way valve (22) is connected between the liquid outlet of the heating device (2) and the liquid inlet of the second valve (5).
Preferably, the liquid outlet of the solar heat collector (1) is directly connected with the liquid inlet of the second valve (5), so that the heat-carrying liquid heated by the solar heat collector (1) directly flows into the water supply pipeline of the heat supply network through the second valve (5).
Preferably, a fourth one-way valve (12) is connected between the liquid outlet of the solar heat collector (1) and the liquid inlet of the second valve (5).
Preferably, the multi-energy complementary heating system further comprises a heat storage tank (6), the first valve (4) and the second valve (5) are three-way valves, a second liquid outlet of the first valve (4) is connected with a first liquid port of the heat storage tank (6), and a second liquid outlet of the second valve (5) is connected with a second liquid port of the heat storage tank (6).
Preferably, the multi-energy complementary heating system further comprises an electric boiler (7), the liquid outlet of the solar heat collector (1) is further connected with the liquid inlet of the electric boiler (7), and the liquid outlet of the electric boiler (7) is connected with the liquid inlet of the second valve (5).
Preferably, a fifth check valve (71) is connected between the liquid outlet of the solar heat collector (1) and the liquid inlet of the electric boiler (7), and a sixth check valve (72) is connected between the liquid outlet of the electric boiler (7) and the liquid inlet of the second valve (5).
Preferably, the heating device (2) is a gas combustion type heat pump, an air source heat pump or an electric compression heat pump; the electric boiler (7) is an electric heating tube boiler, an electromagnetic heating furnace, an electrode boiler or a solid heat storage electric boiler.
A method of multi-energy complementary heating, the method comprising the steps of:
s1': judging whether the solar thermal collector meets working conditions, if so, executing S1, and if not, executing S3;
s1: heating the heat-carrying liquid by using a solar heat collector;
s2: judging whether the temperature of the heat-carrying liquid reaches the standard, if so, executing S4, and if not, executing S3;
s3: performing a concurrent heating operation, followed by S2;
s4: the heat-carrying liquid is directly input into a heat supply network or is input into a heat storage tank.
Preferably, the total amount of the multi-energy complementary heat supply satisfies the following calculation formula:
Qgeneral assembly＝QSun of the sun+QHeating device+QElectric boiler
＝FGeneral assembly*(T2-T1)*Cp+FHeating device*(T4-T3)*Cp+FElectric boiler*(T6-T5)*Cp
Wherein:
Qgeneral assemblyThe total heat supply of the multi-energy complementary heat supply system is realized;
cp is the specific heat capacity of the heat transfer liquid;
Qsun of the sunCollecting heat for the solar heat collector; qSun of the sun＝FGeneral assembly*(T2-T1)*Cp；
QHeating deviceSupplying heat to the heating device; qHeating device＝FHeating device*(T4-T3)*Cp；
QElectric boilerSupplementing heat for the electric cooker; qElectric boiler＝FElectric boiler*(T6-T5)*Cp；
FGeneral assemblySupplying hot water circulation flow for a heating system; fGeneral assembly＝FHeat pump+FElectric boiler；
FHeating deviceSupplying hot water circulation flow for a heating system of a heating device;
Felectric boilerSupplying hot water circulation flow for a heating system of an electric boiler;
t1 is the liquid temperature of the liquid inlet of the solar heat collector;
t2 is the liquid temperature of the liquid outlet of the solar heat collector;
t3 is the liquid temperature of the liquid inlet of the heating device;
t4 is the liquid temperature of the liquid outlet of the heating device;
t5 is the liquid temperature of the liquid inlet of the electric boiler;
t6 is the liquid temperature of the liquid outlet of the electric boiler.
The invention has the beneficial effects that: so that the complete clean complementary solar heating can be utilized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a first configuration of a multi-energy complementary heating system according to the present invention;
FIG. 2 is a schematic diagram of a second embodiment of a multi-energy complementary heating system according to the present invention;
fig. 3 is a schematic view of a third structure of a multi-energy complementary heating system provided by the invention.
Description of the reference numerals
To further clarify the structure and connection between the various components of the present invention, the following reference numerals are given and described.
A solar heat collector 1; a first check valve 11; a fourth check valve 12; a heating device 2; a solid heat storage electric boiler 23; a second check valve 21; a third check valve 22; a circulation pump 3; a first valve 4; a second valve 5; a heat storage tank 6; an electric boiler 7; a fifth check valve 71; a sixth one-way valve 72.
The technical scheme of the invention can be more clearly understood and explained by combining the embodiment of the invention through the reference sign description.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present invention. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.
The present invention will be described in detail below by way of examples.
The utility model provides a complementary heating system of multipotency, as shown in figure 1, includes solar collector 1, heating device 2, circulating pump 3, first valve 4 and second valve 5, and heat supply network return water pipeline is connected with the income liquid mouth of first valve 4, the first liquid outlet of first valve 4 is connected with the income liquid mouth of circulating pump 3, the liquid outlet of circulating pump 3 is connected with solar collector 1's income liquid mouth, solar collector 1's liquid outlet is connected with heating device 2's income liquid mouth, heating device 2's liquid outlet is connected with the income liquid mouth of second valve 5, the first liquid outlet and the heat supply network water supply pipe of second valve 5 are connected. The heat-carrying liquid in the heat supply network water return pipeline is pressurized by a circulating pump 3 and then is connected with a solar heat collector 1, the water outlet of the solar heat collector 1 is connected with a heating device 2, and the water outlet of the heating device 2 is connected with a heat supply network water supply pipeline. By adopting the design, the heat-carrying liquid in the heat supply network can absorb green and pollution-free solar energy from the solar heat collector 1, so that the heat-carrying liquid is heated, and the heat-carrying liquid can absorb heat energy provided by other heating devices from the heating device 2, wherein the solar heat collector 1 plays a role in assisting in supplementing heating heat energy.
Further, a first one-way valve 11 is connected between the liquid outlet of the circulating pump 3 and the liquid inlet of the solar heat collector 1 to prevent the heat-carrying liquid between the liquid outlet of the circulating pump 3 and the liquid inlet of the solar heat collector 1 from reversely flowing back; similarly, a second one-way valve 21 is connected between the liquid outlet of the solar collector 1 and the liquid inlet of the heating device 2, and a third one-way valve 22 is connected between the liquid outlet of the heating device 2 and the liquid inlet of the second valve 5.
Further, the liquid outlet of the solar thermal collector 1 is directly connected with the liquid inlet of the second valve 5, so that the heat-carrying liquid heated by the solar thermal collector 1 directly flows into the water supply pipeline of the heat supply network through the second valve 5. Furthermore, a fourth one-way valve 12 is connected between the liquid outlet of the solar thermal collector 1 and the liquid inlet of the second valve 5 to prevent the heat-carrying liquid between the liquid outlet of the solar thermal collector 1 and the liquid inlet of the second valve 5 from flowing back.
Further, complementary heating system of multipotency still includes heat storage tank 6, first valve 4 and second valve 5 are the three-way valve, promptly first valve 4 still has the second liquid outlet, the second liquid outlet of first valve 4 is connected with heat storage tank 6's first liquid mouth, the second liquid outlet of second valve 5 is connected with heat storage tank 6's second liquid mouth, can switch on with first liquid outlet or second liquid outlet according to the in-service use needs, the income liquid mouth of selection valve. With such an arrangement, the heat-carrying liquid in the heat supply network can be temporarily stored in the heat storage tank 6, on one hand, the heat-carrying liquid stored in the heat storage tank 6 can be heated again by the solar heat collector 1 and the heating device 2 and flows into the water supply pipeline of the heat supply network, and on the other hand, the high-temperature liquid heated by the solar heat collector 1 and the heating device 2 can be stored in the heat storage tank 6, so that the heat energy collected by the solar heat collector 1 can be stored.
Further, the solar heat collector 1 is a vacuum tube type heat collector, a flat plate type heat collector, a trough type light-gathering heat collector or a dish type light-gathering heat collector.
Further, the heat-carrying liquid circulating in the multi-energy complementary heat supply system is water, heat-conducting oil or molten salt. The solar heat collector 1 can directly heat the heat supply circulating water or heat high-temperature heat conduction oil and molten salt, and then transfer the collected heat to the heat supply circulating water.
Further, the heating device 2 is a gas combustion type heat pump.
Further, the heating device 2 is an air source heat pump.
Further, the heating device 2 is an electric compression heat pump.
Further, as shown in fig. 2, the multi-energy complementary heating system further includes an electric boiler 7, the liquid outlet of the solar thermal collector 1 is further connected to the liquid inlet of the electric boiler 7, and the liquid outlet of the electric boiler 7 is connected to the liquid inlet of the second valve 5. By adopting the design, the heat-carrying liquid can be further heated by the electric boiler 7, and the electric boiler 7 is any one of an electric heating tube boiler, an electromagnetic heating furnace, an electrode boiler and a solid heat storage electric boiler.
Furthermore, a fifth one-way valve 71 is connected between the liquid outlet of the solar heat collector 1 and the liquid inlet of the electric boiler 7, and a sixth one-way valve 72 is connected between the liquid outlet of the electric boiler 7 and the liquid inlet of the second valve 5.
The multi-energy complementary heat supply system is used, firstly, according to the illumination condition, a solar heat collector temperature sensor and the current time are utilized to judge whether the solar heat collector meets the working condition, when the working condition is met, the solar heat collector device is started to heat the heat-carrying liquid, and if the temperature after heating meets the heat supply requirement, when the temperature of the liquid discharged from the solar heat collector meets the heat supply requirement, the liquid is directly supplied with heat to the outside or is pumped into the heat storage tank 6; when the temperature of the heat-carrying liquid is lower than the heat supply requirement and heat is required to be supplemented, the heat pump is used for supplementing heat to meet the temperature requirement of the heat-carrying liquid, and the heat is directly supplied to the outside or is pumped into the heat storage tank 6; or the electric boiler is used for heat supplement to meet the temperature requirement of the heat-carrying liquid, and the heat is directly supplied to the outside or is pumped into the heat storage tank 6.
Further, as shown in fig. 3, the heating device 2 is a solid heat storage electric boiler 23, and in this case, the multi-energy complementary heating system does not use the heat storage tank 6.
Specifically, the invention also provides a multi-energy complementary heat supply method, which comprises the following steps:
s1: the heat-carrying liquid is heated by a solar heat collector.
S2: and judging whether the temperature of the heat-carrying liquid reaches the standard, if so, executing S4, and if not, executing S3.
S3: the concurrent heating operation is performed, followed by S2.
S4: the heat-carrying liquid is directly input into a heat supply network or is input into a heat storage tank.
Further, before the step S1, the method further includes:
s1': and judging whether the solar heat collector meets the working condition, if so, executing S1, and if not, executing S3.
Specifically, according to the illumination condition, whether the solar thermal collector meets the working condition is judged by using the temperature sensor of the solar thermal collector and the current time.
Specifically, the heat supplementing operation in step S3 may be:
and (4) carrying out heat supplementing operation by utilizing a heat pump or an electric boiler.
Specifically, the total amount of the multi-energy complementary heat supply satisfies the following calculation formula:
Qgeneral assembly＝QSun of the sun+QHeating device+QElectric boiler
＝FGeneral assembly*(T2-T1)*Cp+FHeating device*(T4-T3)*Cp+FElectric boiler*(T6-T5)*Cp
Wherein:
Qgeneral assemblyThe total heat supply of the multi-energy complementary heat supply system is realized;
cp is the specific heat capacity of the heat transfer liquid;
Qsun of the sunCollecting heat for the solar heat collector; qSun of the sun＝FGeneral assembly*(T2-T1)*Cp；
QHeating deviceSupplying heat to the heating device; qHeating device＝FHeating device*(T4-T3)*Cp；
QElectric boilerSupplementing heat for the electric cooker; qElectric boiler＝FElectric boiler*(T6-T5)*Cp；
FGeneral assemblySupplying hot water circulation flow for a heating system; fGeneral assembly＝FHeat pump+FElectric boiler；
FHeating deviceSupplying hot water circulation flow for a heating system of a heating device;
Felectric boilerSupplying hot water circulation flow for a heating system of an electric boiler;
t1 is the liquid temperature of the liquid inlet of the solar heat collector;
t2 is the liquid temperature of the liquid outlet of the solar heat collector;
t3 is the liquid temperature of the liquid inlet of the heating device;
t4 is the liquid temperature of the liquid outlet of the heating device;
t5 is the liquid temperature of the liquid inlet of the electric boiler;
t6 is the liquid temperature of the liquid outlet of the electric boiler.
Specifically, the total heat supply Q of the multi-energy complementary heat supply systemGeneral assemblyIs the total heat supply determined according to actual needs, for example, the unit area heat demand is approximately 65W/m for green energy-saving buildings2Push-buttonGreen energy-saving 1000m of building one floor2Calculating to obtain the total heat supply of the heating system of 2.34 x 105kJ/h。
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. The utility model provides a complementary heating system of multipotency, its characterized in that, heating system includes solar collector (1), heating device (2), circulating pump (3), valve, connecting line and heat supply network confession liquid and return the liquid pipeline, return the liquid pipeline and connect solar collector (1) through circulating pump (3) pressure boost, solar collector (1) liquid outlet is connected heating device (2), heating device (2) liquid outlet is connected the heat supply network confession liquid pipeline, heating device (2) are heat pump and/or electric boiler.
2. The system according to claim 1, wherein the valves comprise a first valve (4) and a second valve (5), a heat supply network water return pipeline is connected with a liquid inlet of the first valve (4), a first liquid outlet of the first valve (4) is connected with a liquid inlet of a circulating pump (3), a liquid outlet of the circulating pump (3) is connected with a liquid inlet of the solar heat collector (1), a liquid outlet of the solar heat collector (1) is connected with a liquid inlet of the heating device (2), a liquid outlet of the heating device (2) is connected with a liquid inlet of the second valve (5), and a first liquid outlet of the second valve (5) is connected with a heat supply network water supply pipeline; a first one-way valve (11) is connected between the liquid outlet of the circulating pump (3) and the liquid inlet of the solar heat collector (1); a second one-way valve (21) is connected between the liquid outlet of the solar heat collector (1) and the liquid inlet of the heating device (2), and a third one-way valve (22) is connected between the liquid outlet of the heating device (2) and the liquid inlet of the second valve (5).
3. A multi-energy complementary heating system according to claim 2, wherein the liquid outlet of the solar collector (1) is directly connected to the liquid inlet of the second valve (5) so that the heat-carrying liquid heated by the solar collector (1) flows directly through the second valve (5) into the water supply line of the heat network.
4. A multi-energy complementary heating system according to claim 3, wherein a fourth one-way valve (12) is connected between the liquid outlet of the solar collector (1) and the liquid inlet of the second valve (5).
5. The system according to claim 4, further comprising a heat storage tank (6), wherein the first valve (4) and the second valve (5) are three-way valves, the second liquid outlet of the first valve (4) is connected to the first liquid port of the heat storage tank (6), and the second liquid outlet of the second valve (5) is connected to the second liquid port of the heat storage tank (6).
6. System according to claim 5, further comprising an electric boiler (7), wherein the outlet of said solar collector (1) is further connected to the inlet of said electric boiler (7), and wherein the outlet of said electric boiler (7) is connected to the inlet of said second valve (5).
7. System according to claim 6, characterized in that a fifth one-way valve (71) is connected between the outlet of said solar collector (1) and the inlet of the electric boiler (7), and a sixth one-way valve (72) is connected between the outlet of said electric boiler (7) and the inlet of the second valve (5).
8. The multi-energy complementary heating system according to any one of claims 1 to 7, wherein the heating device (2) is a gas combustion heat pump, an air source heat pump or an electric compression heat pump; the electric boiler (7) is an electric heating tube boiler, an electromagnetic heating furnace, an electrode boiler or a solid heat storage electric boiler.
9. A multi-energy complementary heat supply method, characterized in that it comprises the steps of:
s1': judging whether the solar thermal collector meets working conditions, if so, executing S1, and if not, executing S3;
s1: heating the heat-carrying liquid by using a solar heat collector;
s2: judging whether the temperature of the heat-carrying liquid reaches the standard, if so, executing S4, and if not, executing S3;
s3: performing a concurrent heating operation, followed by S2;
s4: the heat-carrying liquid is directly input into a heat supply network or is input into a heat storage tank.
10. A method of multi-energy complementary heating according to claim 9, wherein the total amount of multi-energy complementary heating satisfies the following calculation formula:
Qgeneral assembly＝QSun of the sun+QHeating device+QElectric boiler
＝FGeneral assembly*(T2-T1)*Cp+FHeating device*(T4-T3)*Cp+FElectric boiler*(T6-T5)*Cp
Wherein:
Qgeneral assemblyThe total heat supply of the multi-energy complementary heat supply system is realized;
cp is the specific heat capacity of the heat transfer liquid;
Qsun of the sunCollecting heat for the solar heat collector; qSun of the sun＝FGeneral assembly*(T2-T1)*Cp；
QHeating deviceSupplying heat to the heating device; qHeating device＝FHeating device*(T4-T3)*Cp；
QElectric boilerSupplementing heat for the electric cooker; qElectric boiler＝FElectric boiler*(T6-T5)*Cp；
FGeneral assemblySupplying hot water circulation flow for a heating system; fGeneral assembly＝FHeat pump+FElectric boiler；
FHeating deviceSupplying hot water circulation flow for a heating system of a heating device;
Felectric boilerHeating system for electric boilerThe hot water supply circulation flow is unified; t1 is the liquid temperature of the liquid inlet of the solar heat collector;
t2 is the liquid temperature of the liquid outlet of the solar heat collector;
t3 is the liquid temperature of the liquid inlet of the heating device;
t4 is the liquid temperature of the liquid outlet of the heating device;
t5 is the liquid temperature of the liquid inlet of the electric boiler;
t6 is the liquid temperature of the liquid outlet of the electric boiler.
CN201811592568.1A 2018-12-25 2018-12-25 Multi-energy complementary heating system and heating method Pending CN111365747A (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112361621A (en) * 2020-11-09 2021-02-12 东营市富宏光热石油工程有限公司 Phase-change energy storage heat exchange device
CN116611199A (en) * 2023-02-24 2023-08-18 中国市政工程华北设计研究总院有限公司 Genetic algorithm-based capacity optimization configuration method for multi-energy complementary heating system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112361621A (en) * 2020-11-09 2021-02-12 东营市富宏光热石油工程有限公司 Phase-change energy storage heat exchange device
CN112361621B (en) * 2020-11-09 2022-03-22 东营市富宏光热石油工程有限公司 Phase-change energy storage heat exchange device
CN116611199A (en) * 2023-02-24 2023-08-18 中国市政工程华北设计研究总院有限公司 Genetic algorithm-based capacity optimization configuration method for multi-energy complementary heating system

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