CN211952964U - Solar photovoltaic photo-thermal coupling biomass energy combined heating system - Google Patents
Solar photovoltaic photo-thermal coupling biomass energy combined heating system Download PDFInfo
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- CN211952964U CN211952964U CN202020568759.0U CN202020568759U CN211952964U CN 211952964 U CN211952964 U CN 211952964U CN 202020568759 U CN202020568759 U CN 202020568759U CN 211952964 U CN211952964 U CN 211952964U
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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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- 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
- Y02E10/50—Photovoltaic [PV] energy
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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
- Y02E10/60—Thermal-PV hybrids
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Abstract
The utility model discloses a combined heating system of solar photovoltaic photo-thermal coupling biomass energy, which comprises a heat collection module, a heat storage module, a heating/heat supply space, an electric heating module and a biomass heat supplementing module; the biomass heat supply system comprises a heat collection module, a heat storage module, a heat exchange module, a heating/heat supply space, an electric heating module, a biomass heat compensation module, a biomass heat storage module and a biomass heat supply module, wherein the heat collection module is communicated with the heat storage module to form a heat transfer medium loop; power devices are arranged in the heat transfer medium loop, the heat exchange medium loop, the heat supply medium loop and the heat storage medium loop; the photovoltaic module is connected with the power device and the electric heating module through cables; the solar heat collector is beneficial to realizing heat collection and heat supply decoupling, and the photovoltaic module and the biomass heat supplementing module are configured, so that continuous heat supply is facilitated.
Description
Technical Field
The utility model belongs to renewable energy utilizes the field, concretely relates to solar photovoltaic optothermal coupling biomass energy combined heating system.
Background
At present, heating and heat supply modes in China mainly comprise coal-fired boilers, gas-fired boilers, electric boilers, household scattered biomass boilers and the like. Due to different factors such as fuel supply, air pollution and high cost, the heating or heat supply modes have certain limitations or difficult application. Under the background, solar heating and heat supply are developed, a solar heat collector is used for collecting solar radiation and converting the solar radiation into heat energy, liquid is used as a heat transfer medium, water is used as a heat storage medium, and the heat is transmitted to the indoor space through a heat dissipation component for heating, so that the solar heating and heat supply system is one of green sustainable heating and heat supply modes.
Heating heat supply generally requires that the heat source has stability, persistence and high reliability, but present solar heating heat supply has following problem, can not be fine in heating heat supply demand matching, if: 1) instability of solar irradiation causes more and less heat collection, resulting in poor heat output stability; 2) the periodicity of solar energy causes more heat collection in the daytime and no heat input at night, so that the heat output cannot be continuously stable; 3) the solar energy is discontinuous due to the influence of overcast and rainy water, so that the reliability of the collected heat cannot be ensured.
In view of the above problems, it is an urgent problem to develop a solar heating system with high efficiency and low cost.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a solar photovoltaic optothermal coupling biomass energy combined heating system, thermal-arrest module and heating module decoupling zero are introduced the heat-retaining module, realize thermal-arrest and heating process decoupling zero, introduce photovoltaic module, further increase system economy nature.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a combined heating system of solar photovoltaic photo-thermal coupling biomass energy comprises a heat collection module, a heat storage module, a heat exchange module, a heating/heat supply space, an electric heating module, a biomass heat supplementing module and a photovoltaic module;
the heat collection module is communicated with the heat storage module to form a heat transfer medium loop so that the heat transfer medium transfers the solar heat to the heat storage medium in the heat storage module;
the heat storage module and the heat exchange module are communicated to form a heat exchange medium loop, so that the heat storage medium transfers the heat in the heat storage module to a heating medium;
the heat exchange module is communicated with the heating/heat supply space to form a heat supply medium loop so that the heating/heat supply medium transfers heat to the heating/heat supply space;
the electric heating module is communicated with the heat storage module to form a heat storage medium loop so that energy generated by solar photovoltaic is transferred to the heat storage module;
the biomass heat supplementing module is communicated with the heat storage module to form a heat storage medium loop so that the biomass is combusted to obtain heat and the heat is transferred to the heat storage module;
power devices are arranged in the heat transfer medium loop, the heat exchange medium loop, the heat supply medium loop and the heat storage medium loop;
the photovoltaic module is connected with the power device and the electric heating module through cables to supply power to the power device and the electric heating module.
The heat collecting module comprises a plurality of groove type heat collectors which are connected in series.
The heat storage module comprises a plurality of high-temperature storage tanks, a plurality of low-temperature storage tanks and a heat storage medium, wherein the heat storage medium absorbing heat of the heat transfer medium is stored in the high-temperature storage tanks, and the heat storage medium exchanging heat with the heating medium is stored in the low-temperature storage tanks.
The heat exchange module comprises a plurality of heat exchangers, and the heat exchangers are connected in series or in parallel.
The electric heating module comprises a plurality of electric heaters which are connected in series.
The biomass concurrent heating module adopts a biomass direct-fired boiler.
The photovoltaic module comprises a plurality of solar cell matrixes, a storage battery pack, a controller and an inverter, wherein the output end of each solar cell matrix is connected with the input end of the storage battery pack, the output end of the storage battery pack is connected with the input end of the inverter, and the controller is connected with the storage battery and the control end of the inverter.
The solar cell module in the solar cell array adopts a monocrystalline silicon solar cell, a polycrystalline silicon solar cell or an amorphous silicon solar cell.
The heat transfer medium is heat conduction oil, molten salt or water; the heat storage medium is heat conduction oil or water; the heating medium is water.
A power plant is a machine that delivers or pressurizes a fluid.
Compared with the prior art, the utility model has the advantages that at least the following effects are achieved,
1) the heat collection module and the heat supply module are decoupled, the heat storage module is introduced to realize the decoupling of the heat collection and heat supply processes, and the heat collection power of the heat collection module is adjusted in real time according to the solar irradiation intensity to realize the collection of solar energy and store the solar energy into the heat storage module; adjusting the heat exchange power of the heat supply module according to the heat required by the heating/heat supply space in real time, and calling out the heat of the heat storage module in real time to meet the requirements of heating and heat supply;
2) the photovoltaic module is introduced, the photovoltaic is used for supplying power to power consumption equipment of the system, the purchased electric quantity of the system is reduced, the cost can be greatly reduced, the economy is improved, meanwhile, the electric heating module is configured according to the fluctuation of photovoltaic power generation, redundant photovoltaic electric energy is converted into heat energy through the electric heater and stored in the heat storage module for heating, and the economy of the system is further improved;
3) the biomass heat supplementing module is configured, biomass is introduced into the system as auxiliary fuel, on one hand, the uninterrupted operation of the whole system can be realized when the solar heat input is lacked for a long time, and the reliability of the system is greatly improved; on the other hand, the existence of the auxiliary fuel can reduce the scale of the heat storage module, reduce the overall cost of the heating system and reduce the heating cost.
Drawings
FIG. 1 is a schematic diagram of a practical solar photovoltaic and photo-thermal coupling biomass energy combined heating system.
In the attached drawings, 1-a heat collection module; 2-a heat storage module; 3-a heat exchange module; 4-heating/heating space; 5-a photovoltaic module; 6-biomass heat supplementing module; 7-an electric heating module; 8-a first power plant; 9-a second power plant; 10-a third power plant; 11-a fourth power plant; 12-fifth power plant.
Detailed Description
The utility model provides a solar photovoltaic optothermal coupling biomass energy combined heating system, it is right to combine specific implementation mode below the utility model discloses do further explanation.
As shown in fig. 1, the utility model relates to a combined heating system of solar photovoltaic optothermal coupling biomass energy, which comprises a heat collection module 1, a heat storage module 2, a heat exchange module 3, a heating/heat supply space 4, a first power device 8, a second power device 9, a third power device 10, a fourth power device 11, a fifth power device 12, a photovoltaic module 7, an electric heating module 5 and a biomass heat supplementing module 6;
the heat collection module 1 and the heat storage module 2 are communicated to form a heat transfer medium loop, a first power device 8 is arranged on a pipeline from the heat collection module 1 to the heat storage module 2, the heat storage module 2 and the heat exchange module 3 are communicated to form a heat exchange medium loop, and a second power device is arranged on a pipeline from the heat storage module 2 to the heat exchange module 3;
the heat exchange module 3 is communicated with the heating/heat supply space 4 to form a heat supply medium loop, and a third power device 10 is arranged on a pipeline from the heat exchange module 3 to the heating/heat supply space 4; the biomass heat supplementing module 6 is communicated with the heat storage module 2 to form a heat storage medium loop, a fifth power device 12 is arranged on a pipeline from the biomass heat supplementing module 6 to the heat storage module 2, the electric heating module 5 is communicated with the heat storage module 2 to form the heat storage medium loop, and a fourth power device 11 is arranged on a pipeline from the heat storage module 2 to the electric heating module 5;
the electric heating module 5, the first power device 8, the second power device 9, the third power device 10, the fourth power device 11 and the fifth power device 12 are all connected with the photovoltaic module 7, and the photovoltaic module 7 supplies power for the electric heating module 5, the first power device 8, the second power device 9, the third power device 10, the fourth power device 11 and the fifth power device 12.
The heat collecting module 1 comprises a plurality of groove type heat collectors which are connected in series, and the heat collecting module 1 is used for absorbing solar energy and transmitting the solar energy to a liquid heat transfer medium flowing through the heat collecting module 1;
the heat storage module 2 comprises a heat storage medium and equipment for storing the heat storage medium, and is used for storing the solar heat energy collected by the heat collection module 1 or storing the heat energy transferred to the heat storage medium through the electric heating module 5 or storing the heat energy generated by the biomass heat supplementing module 6; the heat exchange module 3 comprises a plurality of heat exchangers which are connected in series or in parallel and used for heat exchange between a heat storage medium and a heating medium; the heat input of the heating/heating space 4 maintains the heating/heating space 4 in a set temperature region;
the first power device 8, the second power device 9, the third power device 10, the fourth power device 11 and the fifth power device 12 are used for driving the liquid medium in the pipeline to circulate in the loop.
The photovoltaic module 7 comprises a plurality of solar panel assemblies, and the photovoltaic module 7 is used for converting solar energy into electric energy and providing the electric energy for the first power device 8, the second power device 9, the third power device 10, the fourth power device 11, the fifth power device 12 or the electric heating module 5; the heat storage module 2 comprises a plurality of high-temperature storage tanks, a plurality of low-temperature storage tanks and heat storage media, wherein the heat storage media absorbing heat of the heat transfer media are stored in the high-temperature storage tanks, and the heat storage media exchanging heat with the heating media are stored in the low-temperature storage tanks.
Optionally, the power plant employs a circulation pump.
The heat exchange module 3 comprises a plurality of heat exchangers which are connected in series or in parallel;
the electric heating module 5 comprises a plurality of electric heaters and is used for converting redundant electric energy of the photovoltaic module 7 into heat energy and transmitting the heat energy to the heat storage medium;
the biomass concurrent heating module 6 adopts a biomass direct-fired boiler and is used for burning biomass to generate heat;
the heat collection module 1, the heat storage module 2 and the first power device 8 form a liquid loop through a pipeline, so that the heat transfer medium transfers the solar heat to the heat storage medium in the heat storage module 2; the heat storage module 2, the second power device 9 and the heat exchange module 3 form a liquid loop through pipelines, so that the heat storage medium transfers the heat in the heat storage module 2 to a heating medium; the heat exchange module 3, the third power device 10 and the heating/heat-supplying space 4 form a liquid loop through pipelines so that the heating/heat-supplying medium transfers heat to the heating/heat-supplying space 4; the electric heating module 5, the fourth power device 11 and the heat storage module 2 form a liquid loop through pipelines so that energy generated by solar photovoltaic is transmitted to the heat storage module 2; the biomass heat supplementing module 6, the fifth power device 12 and the heat storage module 2 form a liquid loop through pipelines so that heat obtained by biomass combustion is transferred to the heat storage module 2; the photovoltaic module 7 is respectively connected with the power device and the electric heating module 5 through cables to supply power to the power device or the module.
The trough type heat collector at least comprises a reflector, a reflector bracket, a heat collecting pipe support, a driving device and a device capable of reflecting and focusing sunlight to the heat collecting pipe.
The heat transfer medium is heat conduction oil, molten salt or water; the heat storage medium is heat conduction oil or water; the heating medium is water.
A power plant is a machine that delivers or pressurizes a fluid.
The solar cell panel assembly comprises a solar cell array, a storage battery pack, a controller and an inverter; the cell array is formed by combining a plurality of solar cells, and the cells are one or more of monocrystalline silicon solar cells, polycrystalline silicon solar cells or amorphous silicon solar cells.
The biomass is combusted by a biomass boiler and the heat storage medium is heated to a set temperature.
The utility model discloses a working method as follows:
the heat collection module 1 tracks the sun in real time through a plurality of groove type heat collectors connected in series to collect solar energy, the first power device 8 changes the flow of a heat transfer medium according to the solar irradiation intensity and drives the heat transfer medium to circulate in a liquid loop to transfer the collected solar heat energy to the heat storage module 2;
the heat storage module 2 stores the collected solar heat, and the second power device 9 adjusts the flow of the heat storage medium according to the heat load condition required by the heating/heat supplying space 4 and drives the heat storage medium to circulate in the liquid loop to exchange the stored heat to the heating medium;
the heat exchange module 3 transfers the energy of the heat storage medium to the heating medium through heat exchange equipment, and the third power device 10 drives the heating medium to circulate in the liquid loop to transfer the heat to the heating/heat supplying space 4 according to the heat load condition required by the heating/heat supplying space 4 and the temperature change of the heat storage medium;
the photovoltaic module 7 converts solar energy into electric energy through the plurality of solar panel assemblies to supply power to the power device, redundant electric energy is transmitted to the electric heating module 5, the fourth power device 11 adjusts the flow of the heat storage medium according to the electric load and drives the heat storage medium to circulate in the liquid loop to transfer heat energy to the heat storage module 2;
when the heat in the heat storage module 2 is insufficient due to insufficient solar energy, the biomass heat supplementing module 6 supplies heat to the heat storage module 2 by burning biomass, the biomass heat supplementing module 6 adjusts the biomass heat supplementing power according to the existing heat storage quantity in the heat storage module 2 and the heat load condition required by the heating/heat supplying space 4, and the fifth power device 12 drives the heat storage medium to circulate in the liquid loop to transfer the heat to the heat storage module 2.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A combined heating system of solar photovoltaic photo-thermal coupling biomass energy is characterized by comprising a heat collection module (1), a heat storage module (2), a heat exchange module (3), a heating/heat supply space (4), an electric heating module (5), a biomass heat supplementing module (6) and a photovoltaic module (7);
the heat collection module (1) is communicated with the heat storage module (2) to form a heat transfer medium loop, so that the heat transfer medium transfers solar heat to the heat storage medium in the heat storage module (2);
the heat storage module (2) is communicated with the heat exchange module (3) to form a heat exchange medium loop, so that the heat storage medium transfers the heat in the heat storage module (2) to a heating medium;
the heat exchange module (3) is communicated with the heating/heat supply space (4) to form a heat supply medium loop, so that the heating/heat supply medium transfers heat to the heating/heat supply space (4);
the electric heating module (5) is communicated with the heat storage module (2) to form a heat storage medium loop so that energy generated by solar photovoltaic is transmitted to the heat storage module (2);
the biomass heat supplementing module (6) is communicated with the heat storage module (2) to form a heat storage medium loop, so that the biomass is combusted to obtain heat and the heat is transferred to the heat storage module (2);
power devices are arranged in the heat transfer medium loop, the heat exchange medium loop, the heat supply medium loop and the heat storage medium loop;
the photovoltaic module (7) is connected with the power device and the electric heating module (5) through cables to supply power to the power device and the electric heating module (5).
2. The solar photovoltaic and optothermal coupling biomass energy combined heating and supply system according to claim 1, wherein the heat collection module (1) comprises a plurality of trough collectors, and the trough collectors are connected in series.
3. The solar photovoltaic and optothermal coupling biomass energy combined heating and supply system according to claim 1, wherein the heat storage module (2) comprises a plurality of high-temperature storage tanks, a plurality of low-temperature storage tanks and a heat storage medium, wherein the heat storage medium absorbing heat of the heat transfer medium is stored in the high-temperature storage tanks, and the heat storage medium exchanging heat with the heating medium is stored in the low-temperature storage tanks.
4. The solar photovoltaic and optothermal coupling biomass energy combined heating and supply system according to claim 1, wherein the heat exchange module (3) comprises a plurality of heat exchangers, and the heat exchangers are connected in series or in parallel.
5. The solar photovoltaic photo-thermal coupling biomass energy combined heating system according to claim 1, characterized in that the electric heating module (5) comprises a plurality of electric heaters which are connected in series.
6. The solar photovoltaic and optothermal coupling biomass energy combined heating and heat supply system according to claim 1, wherein the biomass concurrent heating module (6) adopts a biomass direct-fired boiler.
7. The solar photovoltaic optothermal coupling biomass energy combined heating and supply system according to claim 1, wherein the photovoltaic module (7) comprises a plurality of solar cell matrixes, a storage battery pack, a controller and an inverter, wherein the output end of the solar cell matrix is connected with the input end of the storage battery pack, the output end of the storage battery pack is connected with the input end of the inverter, and the controller is connected with the storage battery and the control end of the inverter.
8. The solar photovoltaic and optothermal coupling biomass energy combined heating and supply system according to claim 7, wherein the solar cell array is formed by monocrystalline silicon solar cells, polycrystalline silicon solar cells or amorphous silicon solar cells.
9. The solar photovoltaic and optothermal coupling biomass energy combined heating and supply system according to claim 1, wherein the heat transfer medium is heat transfer oil, molten salt or water; the heat storage medium is heat conduction oil or water; the heating medium is water.
10. The solar photovoltaic and optothermal coupling biomass energy combined heating and heat supply system according to claim 1, wherein the power plant is a machine for conveying or pressurizing a fluid.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020568759.0U CN211952964U (en) | 2020-04-16 | 2020-04-16 | Solar photovoltaic photo-thermal coupling biomass energy combined heating system |
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| CN202020568759.0U CN211952964U (en) | 2020-04-16 | 2020-04-16 | Solar photovoltaic photo-thermal coupling biomass energy combined heating system |
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