CN212005897U - Solar energy coupling biomass energy combined heating system - Google Patents
Solar energy coupling biomass energy combined heating system Download PDFInfo
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- CN212005897U CN212005897U CN202020567385.0U CN202020567385U CN212005897U CN 212005897 U CN212005897 U CN 212005897U CN 202020567385 U CN202020567385 U CN 202020567385U CN 212005897 U CN212005897 U CN 212005897U
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses a combined heating system of solar energy coupled biomass energy, which comprises a heat collection module, a heat storage module, a heat exchange module, a power device, a biomass heat supplementing module and a heating/heat supplying space, wherein the system collects and stores solar energy in the heat storage module through the heat collection module, and transfers the solar heat to heat load through a heat exchange system according to the heating demand, thereby achieving the purpose of realizing heating and heat supplying by using solar energy, the biomass heat supplementing module of the system can supplement heat to the system at night and at the time of poor solar energy resources, thereby ensuring the continuity of heating and heat supplying, the system is simple, has strong adaptability, can flexibly adjust the scale of each module according to the heating demand of different scenes, and achieves the requirement of meeting the heat load, in addition, because biomass is adopted as supplement, the uninterrupted heating can be realized for 24 hours all day, greatly increasing the reliability of the system.
Description
Technical Field
The utility model belongs to renewable energy utilizes the field, concretely relates to solar energy coupling biomass energy's combined heating system.
Background
At present, the heat supply modes adopted in China mainly comprise coal-fired boilers, gas-fired boilers, electric boilers, household scattered biomass boilers and the like. The large-scale coal-fired unit has low heat supply cost, can meet the large-scale heat supply demand, but needs to consume a large amount of fuel, and the waste gas and the waste residue generated in the combustion process have adverse effects on the environment. For environmental protection, some areas adopt a gas boiler or an electric boiler to supply heat, however, the two modes are not only limited by gas supply amount, but also have higher cost. Therefore, a household biomass boiler mode is adopted in part of rural areas, the purpose of heating is achieved by burning agricultural and forestry wastes such as straws, although the cost is low, the small biomass boiler is low in heat efficiency, and due to the fact that the burning temperature is low, a large amount of pollutants are generated due to incomplete burning. Therefore, the existing heating modes basically achieve the purpose of heating, but have some defects.
The total energy of solar energy, which is a widely distributed renewable energy source, is very huge, and it is estimated that the energy irradiated to the earth surface per second is equivalent to 500 ten thousand tons of coal, which is an effective heat source for heating. At present, solar energy is mainly utilized in a solar photovoltaic mode and a solar thermal mode, wherein the solar photovoltaic mode directly converts solar energy into electric energy, the electric energy is required to be converted into heat energy when the solar photovoltaic mode is used for heating, heating can be achieved only by matching with other equipment such as a heat pump or an electric heater, and the system is complex and poor in stability. The solar heat utilization is that the solar heat is directly transferred to a demand side by utilizing a conducting medium, and the process is simple. But is influenced by the periodicity and the discontinuity of the solar energy at the same time, and the stability for heating is difficult to ensure. Therefore, how to effectively and stably convert solar heat energy into heat energy which can be used for heating according to requirements is a problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a solar energy coupling biomass energy combined heating system at first utilizes slot type thermal-arrest module to collect solar energy as the energy input of system, utilizes living beings concurrent heating module productivity to compensate the operating mode that solar energy is not enough simultaneously, sets up energy storage module and alleviates the excessive operating mode of solar energy, improves energy utilization and rates, realizes thermal-arrest module and heat supply module decoupling zero moreover.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a combined heating system with solar energy coupled with biomass energy comprises a heat collection module, a heat storage module, a heat exchange module, a heating/heat supply space and a biomass heat supplementing 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 storage 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 heating/heat supply medium loop so that the heating/heat supply medium transfers heat to the heating/heat supply space;
the biomass heat supplementing module and the heat storage module are communicated 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.
The heat collection module comprises a plurality of trough 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 biomass concurrent heating module adopts a biomass direct-fired boiler.
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.
And power devices are arranged in the heat transfer medium loop, the heat storage medium loop, the heating/heat supply medium loop and the heat storage medium loop.
A power plant is a machine that delivers or pressurizes a fluid.
Compared with the prior art, the utility model discloses following beneficial effect has at least:
because the thermal energy required by solar energy input thermal energy and heating supply is inconsistent in time, the balance of the demand is difficult to realize by adopting the direct solar energy heating, so the reliability of the system is generally poor, the solar energy and biomass combined heating and supplying system of the utility model has the advantages that the heat collecting module and the heat supplying module can be decoupled, and the heat collecting module can adjust the heat collecting power according to the solar energy resource condition to realize the real-time collection of the solar energy and store the heat in the heat storing module; meanwhile, the heat supply module can adjust the power of the heat exchange module according to the heat required by a heating/heat supply space, and the heat of the heat storage module is transferred out to meet the heating demand in real time; on the other hand, the scale of the heat storage module can be reduced, the overall cost of a heating system is reduced, and the heating cost is reduced.
Drawings
Fig. 1 is a schematic diagram of a solar energy coupled biomass energy combined heating system of the present invention.
In the drawings: 1-a heat collecting module; 2-a heat storage module; 3-a heat exchange module; 4-heating/heating space; 5-biomass heat supplementing module; 6-a first power plant; 7-a second power plant; 8-a third power plant; 9-a fourth power device.
Detailed Description
The utility model provides a solar energy coupling biomass energy combined heating system, it is right to combine specific embodiment 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 energy coupled biomass energy, which comprises a heat collecting module 1, a heat storage module 2, a heat exchange module 3, a heating/heat supplying space 4, a power device and a biomass heat supplementing module 5; the heat collection module 1, the heat storage module 2, the heat exchange module 3, the heating/heat supply space 4, the power device and the biomass heat supplementing module are connected through pipelines 5.
The heat collection module 1 comprises a plurality of groove type heat collectors which are connected in series, and the heat collection module is used for absorbing solar energy and transmitting the solar energy to a liquid heat transfer medium flowing through the heat collection module;
the heat storage module 2 comprises a heat storage medium and equipment for storing the heat storage medium, and the heat storage module 2 is used for storing solar heat energy collected by the heat collection system; the heat exchange module 3 comprises a plurality of heat exchangers which are connected in series or in parallel, and the heat exchangers are used for heat exchange between a heat storage medium and a heating medium;
optionally, the heat storage module 2 includes 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 tank, and the heat storage medium exchanging heat with the heating medium is stored in the low temperature storage tank.
The heating/heat supply space 4 is used for maintaining the space in a set temperature range by heat input;
the power device is used for driving the liquid medium in the pipeline to circulate in the loop;
the biomass heat supplementing module 5 is used for combusting biomass to generate heat;
the heat collection module 1, the heat storage module 2 and the first power device 6 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 7 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 8 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 biomass heat supplementing module 5, the fourth power device 9 and the heat storage module 2 form a liquid loop through a pipeline, so that heat obtained by biomass combustion is transferred to the heat storage module 2;
the trough type heat collector at least comprises a reflector, a reflector bracket, a heat collecting pipe support, a driving device and a stand column, and can reflect and focus 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. Optionally, the power plant employs a circulation pump.
The utility model discloses a working method as follows:
the heat collection module 1 tracks the sun in real time through a plurality of serially connected trough heat collectors to collect solar energy, the first power device 6 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 7 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 8 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 biomass heat supplementing module 5 supplies heat to the heat storage module 2 by burning biomass when the heat in the heat storage module is insufficient due to insufficient solar energy, the biomass heat supplementing module 5 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 a heating/heat supplying space, and the fourth power device 9 drives the heat storage medium to circulate in the liquid loop to transfer the heat to the heat storage module.
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 (8)
1. A combined heating system with solar energy coupled with 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) and a biomass heat supplementing module (5);
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 storage medium loop, so that heat in the heat storage module (2) is transferred to a heating medium by the heat storage medium;
the heat exchange module (3) is communicated with the heating/heat supply space (4) to form a heating/heat supply medium loop, so that the heating/heat supply medium transfers heat to the heating/heat supply space (4);
the biomass heat supplementing module (5) 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).
2. The solar-coupled biomass energy cogeneration heating system of claim 1, wherein the heat collection module (1) comprises a plurality of trough collectors, the trough collectors being connected in series.
3. The solar-coupled biomass energy combined heating system as claimed in 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-coupled biomass energy combined heating 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-coupled biomass energy combined heating system according to claim 1, wherein the biomass concurrent heating module (5) is a biomass direct-fired boiler.
6. The solar-coupled biomass energy combined heating 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.
7. The solar-coupled biomass energy cogeneration system of claim 1, wherein power means are provided in each of the heat transfer medium circuit, the heat storage medium circuit, the heating/heating medium circuit, and the heat storage medium circuit.
8. The solar-coupled biomass energy cogeneration system of claim 7, wherein the power plant is a fluid-carrying or fluid-pressurizing machine.
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| CN202020567385.0U CN212005897U (en) | 2020-04-16 | 2020-04-16 | Solar energy coupling biomass energy combined heating system |
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| CN202020567385.0U CN212005897U (en) | 2020-04-16 | 2020-04-16 | Solar energy coupling biomass energy combined heating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113405146A (en) * | 2021-05-23 | 2021-09-17 | 华北理工大学 | Heat accumulating type biomass gasification heating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113405146A (en) * | 2021-05-23 | 2021-09-17 | 华北理工大学 | Heat accumulating type biomass gasification heating system |
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