CN220771209U - Multi-energy complementary and echelon energy coupling floor heating system suitable for rural areas - Google Patents
Multi-energy complementary and echelon energy coupling floor heating system suitable for rural areas Download PDFInfo
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- CN220771209U CN220771209U CN202321185512.0U CN202321185512U CN220771209U CN 220771209 U CN220771209 U CN 220771209U CN 202321185512 U CN202321185512 U CN 202321185512U CN 220771209 U CN220771209 U CN 220771209U
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 85
- 230000008878 coupling Effects 0.000 title claims abstract description 15
- 238000010168 coupling process Methods 0.000 title claims abstract description 15
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 15
- 230000000295 complement effect Effects 0.000 title abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 152
- 238000005338 heat storage Methods 0.000 claims abstract description 78
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 70
- 239000007789 gas Substances 0.000 claims abstract description 42
- 238000003860 storage Methods 0.000 claims abstract description 35
- 238000005192 partition Methods 0.000 claims abstract description 26
- 238000005485 electric heating Methods 0.000 claims abstract description 17
- 238000004146 energy storage Methods 0.000 claims abstract description 17
- 239000002737 fuel gas Substances 0.000 claims abstract description 4
- 239000011232 storage material Substances 0.000 claims description 16
- 238000007599 discharging Methods 0.000 claims description 4
- 239000008399 tap water Substances 0.000 claims description 4
- 235000020679 tap water Nutrition 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 5
- 239000002131 composite material Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 239000012782 phase change material Substances 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- BDKLKNJTMLIAFE-UHFFFAOYSA-N 2-(3-fluorophenyl)-1,3-oxazole-4-carbaldehyde Chemical compound FC1=CC=CC(C=2OC=C(C=O)N=2)=C1 BDKLKNJTMLIAFE-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000013486 operation strategy Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 229940087562 sodium acetate trihydrate Drugs 0.000 description 1
- PODWXQQNRWNDGD-UHFFFAOYSA-L sodium thiosulfate pentahydrate Chemical compound O.O.O.O.O.[Na+].[Na+].[O-]S([S-])(=O)=O PODWXQQNRWNDGD-UHFFFAOYSA-L 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
Abstract
A multi-energy complementary and echelon energy coupling floor heating system suitable for rural areas comprises a floor heating unit, a step phase change energy storage unit, a solar heat collection and supply unit, a fuel gas heat supply unit and an electric heating unit; the floor heating unit comprises a floor layer, a floor heating layer, a heat-insulating moisture-proof layer and a concrete base layer from indoor ground to indoor ground, wherein a floor heating pipe is arranged in the floor heating layer, the stepped phase-change energy storage unit comprises a heat storage tank, a first partition plate and a second partition plate which are arranged in the heat storage tank, the heat storage tank is transversely divided into a low-temperature phase-change heat storage bin, a medium-temperature phase-change heat storage bin and a high-temperature phase-change heat storage bin by the first partition plate and the second partition plate, and an upper heat exchange coil pipe and a lower heat exchange coil pipe are also arranged in the heat storage tank; the solar heat collection and supply unit comprises a solar heat collector; the gas heating unit comprises a methane tank, a methane storage tank, a gas water heater and a methane valve; the electric heating unit comprises a solar photovoltaic panel, a controller, a storage battery and an electric water heater.
Description
Technical field:
the utility model relates to a floor heating system, in particular to a floor heating system which utilizes solar energy, biomass energy, electric energy and heat storage to be coupled.
The background technology is as follows:
in rural areas, traditional winter heating uses coal or straw as fuel, and adopts a kang burning mode, so that the mode saves fuel, but the heating effect is general and is not suitable for modern living habits. With the development of rural areas, the heating mode of newly built houses is gradually changed into a mode that 'coal burning or gas furnace and radiator' are the main mode and electric heating equipment is the auxiliary mode. The rural house has the problems of poor heating effect, high energy consumption and serious pollution due to the fact that the floor height is high, the area is large, the external wall heat insulation effect is poor, and the living of farmers is scattered, so that the heating means are provided. In addition, most rural areas also reserve dry toilets, and the dry toilets are provided with a basis for arranging methane tanks; the northern area has more sunny days and sufficient sunshine, and provides natural favorable conditions for the utilization of solar energy; therefore, how to fully utilize the existing biogas digester and sunlight condition to comprehensively utilize various energy sources to improve the heating effect in rural areas in winter, reduce the heating cost and reduce pollution becomes a problem to be solved in the prior art.
The utility model comprises the following steps:
in order to solve the problems, the utility model adopts the following technical scheme:
a multi-energy complementary and echelon energy coupling floor heating system suitable for rural areas comprises a floor heating unit, a step phase change energy storage unit, a solar heat collection and supply unit, a fuel gas heat supply unit and an electric heating unit;
the floor heating unit comprises a floor layer 105, a floor heating layer 103, a heat-insulating moisture-proof layer 102 and a concrete base layer 101 from indoor ground downwards, wherein a floor heating pipe is arranged in the floor heating layer, a water inlet of the floor heating pipe is connected with an outlet of a first water pump 011 through a pipeline, a water outlet of the floor heating pipe is connected with a second three-way valve 022 through a pipeline, a first temperature sensor 001 capable of displaying temperature is arranged at a water inlet of the floor heating pipe and used for detecting the water inlet temperature of the floor heating pipe, a water filling and draining port is arranged on a pipeline between the water inlet of the floor heating pipe and the first water pump, and the water filling and draining port can be connected with a water source and used for filling and draining water in a system;
the cascade phase change energy storage unit comprises a heat storage tank 201, a first partition plate 202 and a second partition plate 203 which are arranged in the heat storage tank, wherein the heat storage tank is transversely divided into a low-temperature phase change heat storage bin 204, a medium-temperature phase change heat storage bin 205 and a high-temperature phase change heat storage bin 206 by the first partition plate and the second partition plate, an upper heat exchange coil 207 and a lower heat exchange coil 208 are also arranged in the heat storage tank, the upper heat exchange coil and the lower heat exchange coil respectively penetrate through the first partition plate and the second partition plate, the outlets of the upper heat exchange coil and the lower heat exchange coil, which are positioned in the low-temperature phase change heat storage bin and the high-temperature phase change heat storage bin, are respectively a cold end outlet and a hot end outlet, the cold end outlet and the hot end outlet of the lower heat exchange coil are respectively connected with a second three-way valve and a first three-way valve 021 through pipelines, and the cold end outlet and the hot end outlet of the upper heat exchange coil is respectively connected with a fourth three-way valve 024 and a second water pump 012 outlet through pipelines; a second temperature sensor 002 capable of displaying temperature is arranged at the cold end outlet of the upper heat exchange coil and is used for detecting the water temperature at the cold end outlet of the upper heat exchange coil;
the solar heat collection and supply unit comprises a solar heat collector 301, wherein a cold water inlet and a hot water outlet of the solar heat collector are respectively connected with a fourth three-way valve and a third three-way valve 023 through pipelines, the third three-way valve is also connected with inlets of a first four-way valve 031 and a second water pump through pipelines, and the fourth three-way valve is also connected with a second four-way valve 032 through pipelines;
the gas heating unit comprises a methane tank 401, a methane storage tank 402, a gas water heater 403 and a methane valve, wherein a methane outlet of the methane tank is connected with a gas inlet of the methane storage tank through a pipeline with a methane valve, a gas outlet of the methane storage tank is connected with a gas inlet of the gas water heater through a pipeline with a methane valve, and a cold water inlet and a hot water outlet of the gas water heater are respectively connected with a second four-way valve 032 and a first four-way valve 031;
the electric heating unit comprises a solar photovoltaic panel 501, a controller 502, a storage battery 503 and an electric water heater 504, wherein the controller is respectively and electrically connected with the solar photovoltaic panel, the storage battery, the electric water heater and a power grid, and a hot water output end and a cold water input end of the electric water heater are connected with a seventh three-way valve 027 and an eighth three-way valve 028 through pipelines;
the eighth three-way valve 028 is also connected with the sixth three-way valve 026 and the second four-way valve respectively through pipelines, and the seventh three-way valve is also connected with the fifth three-way valve 025 and the first three-way valve respectively through pipelines. The water inlet of the second water pump is connected with a second three-way valve 023 through a pipeline, the inlet of the first water pump is connected with the first three-way valve through a pipeline, and the first three-way valve is connected with a fifth three-way valve through a pipeline;
the floor heating system suitable for rural multi-energy complementation and echelon energy coupling is further characterized in that the low-temperature phase-change heat storage bin, the medium-temperature phase-change heat storage bin and the high-temperature phase-change heat storage bin are respectively filled with phase-change heat storage materials with the phase-change temperature of 40-50 ℃, 50-60 ℃ and 60-70 ℃.
The ground heating system suitable for rural multi-energy complementation and echelon energy coupling is characterized in that the water filling and discharging port can be connected with a tap water pipeline through a valve and a pipeline.
The ground heating system suitable for rural multi-energy complementation and echelon energy coupling is characterized in that a further controller adopts a solar inverter to control the integrated machine.
The floor heating system suitable for rural multi-energy complementation and echelon energy coupling is characterized in that the biogas storage tank is a double-membrane gas storage cabinet.
Compared with the prior art, the utility model has the beneficial effects that:
(1) Clean energy sources such as solar energy and biomass energy are used as heating energy sources, so that the consumption of fossil energy sources is reduced. The traditional radiator heating is abandoned by adopting the floor heating mode, and a better heating effect can be achieved.
(2) The step heat storage unit capable of being filled with phase change heat storage materials with different temperatures is adopted, and the problem of nonuniform time distribution of solar energy can be solved by utilizing the heat storage capacity of the step heat storage unit.
(3) According to the utility model, the electric heating unit with the photovoltaic power generation module is adopted, solar energy can be further utilized through photovoltaic power generation, meanwhile, the electric energy generated by the storage battery is utilized for storage to solve the problem of uneven time distribution of the solar energy, and in the period of needing the electric heating system to work, the storage battery can be charged by utilizing the valley electricity period with lower electricity price, so that the energy consumption cost is further reduced.
(4) The solar heat collection and supply device is characterized in that three modes of solar heat collection and supply, gas heat supply and electric heating and supply are adopted for coupling, solar energy is used as a basis, heat obtained by solar heat collection is fully utilized by the step heat storage unit for supplying heat, and meanwhile when the heat of the solar heat collection is insufficient, the step heat storage unit can be subjected to heat storage through the gas heat supply unit or the electric heating unit or the two units are directly utilized for supplying heat, so that the heating requirement is fully ensured.
(5) The system provided by the utility model mainly forms different loops by switching states of the three-way valve and the four-way valve, does not need complex control equipment, and meanwhile, because the indoor heat supply is generally based on human body sensing temperature, the water temperature can be detected according to the body sensing temperature and hand touch when based on the temperature control system, and an expensive controller sensor can be omitted, so that the system cost and the control difficulty are further reduced, and the system is especially suitable for rural use occasions.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a floor heating system suitable for rural multi-energy complementation and echelon energy coupling according to an embodiment of the utility model;
in the figure
001. A first temperature sensor 002, a second temperature sensor; 011. a first water pump, 012, a second water pump, 021, a first three-way valve, 022, a second three-way valve, 023, a third three-way valve, 024, a fourth three-way valve, 025, a fifth three-way valve, 026, a sixth three-way valve, 027, a seventh three-way valve, 028, an eighth three-way valve, 031, a first four-way valve, 032, a second four-way valve; 101. the concrete base layer, 102, the heat-preservation and moisture-proof layer, 103, the floor heating layer, 104, the floor heating pipe, 105 and the floor layer; 201. the heat storage tank, 202, a first partition board, 203, a second partition board, 204, a low-temperature phase-change heat storage bin, 205, a medium-temperature phase-change heat storage bin, 206, a high-temperature phase-change heat storage bin, 207, an upper heat exchange coil, 208 and a lower heat exchange coil; 301. a solar collector; 401. a methane tank; 402. a biogas storage tank; 403. a gas water heater; 501. solar photovoltaic panel 502, controller, 503, battery, 504, electric water heater.
The specific embodiment is as follows:
the following description of the embodiments of the present utility model, such as configuration, relative positional relationship, and operation of the various parts, is provided in connection with the accompanying drawings to assist those skilled in the art in a more complete understanding of the present utility model.
The utility model provides a multi-energy complementary and echelon energy coupling floor heating system suitable for rural areas, which comprises a floor heating unit, a step phase change energy storage unit, a solar heat collection and supply unit, a fuel gas heat supply unit and an electric heating unit;
the floor heating unit comprises a floor layer 105, a floor heating layer 103, a heat-insulating moisture-proof layer 102 and a concrete base layer 101 from indoor ground downwards, wherein a floor heating pipe is arranged in the floor heating layer, a water inlet of the floor heating pipe is connected with an outlet of a first water pump 011 through a pipeline, a water outlet of the floor heating pipe is connected with a second three-way valve 022 through a pipeline, a first temperature sensor 001 capable of displaying temperature is arranged at a water inlet of the floor heating pipe and used for detecting the water inlet temperature of the floor heating pipe, and a water filling and draining port is arranged on a pipeline between the water inlet of the floor heating pipe and the first water pump and can be connected with a water source for filling water and also can be used for draining water stored in a system;
the cascade phase change energy storage unit comprises a heat storage tank 201, a first partition plate 202 and a second partition plate 203 which are arranged in the heat storage tank, wherein the heat storage tank is transversely divided into a low-temperature phase change heat storage bin 204, a medium-temperature phase change heat storage bin 205 and a high-temperature phase change heat storage bin 206 by the first partition plate and the second partition plate, an upper heat exchange coil 207 and a lower heat exchange coil 208 are also arranged in the heat storage tank, the upper heat exchange coil and the lower heat exchange coil respectively penetrate through the first partition plate and the second partition plate, the outlets of the upper heat exchange coil and the lower heat exchange coil, which are positioned in the low-temperature phase change heat storage bin and the high-temperature phase change heat storage bin, are respectively a cold end outlet and a hot end outlet, the cold end outlet and the hot end outlet of the lower heat exchange coil are respectively connected with a second three-way valve and a first three-way valve 021 through pipelines, the cold end outlet and the hot end outlet of the upper heat exchange coil are respectively connected with a fourth three-way valve 024 and a second water pump 012 outlet through pipelines, and a second temperature sensor 002 capable of displaying temperature is arranged at the cold end outlet of the upper heat exchange coil for detecting the cold end outlet of the upper heat exchange coil;
the low-temperature phase-change heat storage bin, the medium-temperature phase-change heat storage bin and the high-temperature phase-change heat storage bin are respectively filled with phase-change heat storage materials with the phase-change temperature of 40-50 ℃, 50-60 ℃ and 60-70 ℃;
the solar heat collection and supply unit comprises a solar heat collector 301, wherein a cold water inlet and a hot water outlet of the solar heat collector are respectively connected with a fourth three-way valve and a third three-way valve 023 through pipelines, the third three-way valve is also connected with inlets of a first four-way valve 031 and a second water pump through pipelines, and the fourth three-way valve is also connected with a second four-way valve 032 through pipelines;
the gas heating unit comprises a methane tank 401, a methane storage tank 402, a gas water heater 403 and a methane valve, wherein a methane outlet of the methane tank is connected with a gas inlet of the methane storage tank through a pipeline with a methane valve, a gas outlet of the methane storage tank is connected with a gas inlet of the gas water heater through a pipeline with a methane valve, and a cold water inlet and a hot water outlet of the gas water heater are respectively connected with a second four-way valve 032 and a first four-way valve 031;
the electric heating unit comprises a solar photovoltaic panel 501, a controller 502, a storage battery 503 and an electric water heater 504, wherein the controller is respectively and electrically connected with the solar photovoltaic panel, the storage battery, the electric water heater and a power grid, and a hot water output end and a cold water input end of the electric water heater are connected with a seventh three-way valve 027 and an eighth three-way valve 028 through pipelines;
the eighth three-way valve 028 is also connected with the sixth three-way valve 026 and the second four-way valve respectively through pipelines, the seventh three-way valve is also connected with the fifth three-way valve 025 and the first three-way valve respectively through pipelines, the water inlet of the second water pump is connected with the second three-way valve 023 through pipelines, the inlet of the first water pump is connected with the first three-way valve through pipelines, and the first three-way valve is connected with the fifth three-way valve through pipelines.
The phase-change heat storage material in the heat storage tank can be inorganic phase-change heat storage material, organic phase-change heat storage material and composite phase-change heat storage material.
Example 1
In the embodiment, the phase change heat storage material with the phase change temperature of 40-50 ℃ used in the heat storage tank 6 uses a composite phase change material of sodium thiosulfate pentahydrate and expanded graphite; the phase-change heat storage material with the phase-change temperature of 50-60 ℃ is a composite phase-change material of sodium acetate trihydrate and expanded graphite; the phase-change heat storage material with the phase-change temperature of 60-70 ℃ is a composite phase-change material of paraffin and expanded graphite.
The water source is tap water, and the water filling and discharging port can be connected with a tap water pipeline through a valve and a pipeline.
The controller adopts a solar inverter to control the integrated machine.
Double-film gas storage cabinet for biogas storage tank
The system operation strategy of the floor heating system suitable for rural multi-energy complementation and echelon energy coupling provided by the utility model is as follows:
1) Preparation before operation: before the system starts to operate, water is injected into the pipelines of the system through the water injection and drainage port, the valves are rotated to enable all the pipelines and the electric water heater in the system to be full of water, the methane tank is charged with materials, the methane tank is operated until methane starts to be generated, and the solar photovoltaic panel of the electric heating unit converts sunlight into electric energy and then stores the electric energy in the storage battery. The solar heat supply unit heats the phase-change heat storage material in the heat storage tank in the cascade phase-change energy storage unit, the hot water outlet of the solar heat supply unit is communicated with the cold water inlet of the solar heat supply unit through the third three-way valve, the second water pump, the upper heat exchange coil and the fourth three-way valve to form a loop, and the second water pump is started to enable water in the solar heat supply unit to enter the cascade phase-change energy storage unit to heat the phase-change heat storage medium in the cascade phase-change energy storage unit step by step after being heated by illumination. The water outlet of the ground heating pipe is communicated with the water inlet of the ground heating pipe through the second three-way valve, the lower layer heat exchange coil pipe, the first three-way valve and the first water pump to form a loop.
2) Echelon energy storage
When the system starts to operate, the solar heat supply unit is utilized to heat the phase-change heat storage materials in the heat storage tank in the cascade phase-change energy storage unit, and when the water temperature at the cold end outlet of the upper heat exchange coil pipe rises to above 40 ℃, the first water pump can be started to circularly heat the water in the ground heating pipe for heating.
After the system is operated, if the gas storage capacity of the biogas storage tank exceeds 90%, the release valve is combusted through the gas water heater, and water flows into the heat storage tank in the cascade phase-change energy storage unit to heat the phase-change heat storage material after being heated.
3) Complementary to each other
After the system starts to run, when the water inlet temperature of the ground heating pipe is still lower than about 35 ℃ after the first water pump is fully circulated, the heat provided by the solar heat supply unit is insufficient for ground heating (evening), other heat supply units are started for multi-energy complementation,
3.1 Gas heating unit
The valve is rotated to enable a hot water outlet of the gas water heater to be communicated with a cold water inlet of the gas water heater through the first four-way valve, the third three-way valve, the second water pump, the upper heat exchange coil, the fourth three-way valve and the second four-way valve to form a loop, the biogas valve is opened, the gas water heater is started to heat water in the loop, and the phase change heat storage material in the heat storage tank in the step phase change energy storage unit is heated to the temperature of water at the cold end outlet of the upper heat exchange coil to be higher than 40 ℃.
3.2 Operating an electric heating unit
When the gas storage capacity in the biogas storage tank is insufficient, the gas heating unit is closed to start the electric heating unit, the valve is rotated to enable a hot water outlet of the electric water heater to be communicated with a cold water inlet of the electric water heater through the seventh three-way valve, the first four-way valve, the third three-way valve, the second water pump, the upper heat exchange coil, the fourth three-way valve, the second four-way valve and the eighth three-way valve to form a loop, the electric water heater is started, the controller switches the power supply of the storage battery or the power grid according to the storage energy of the storage battery, the water in the loop is heated through the point water heater, and the phase change heat storage material in the heat storage tank in the step phase change energy storage unit is heated to the temperature of the water at the cold end outlet of the upper heat exchange coil to be more than 40 ℃.
3) Quick heating
When the floor heating is required to be quickly warmed up, the following method can be adopted:
the electric heating unit is adopted, the valve is rotated to enable a hot water outlet of the electric water heater to be communicated with a cold water inlet of the electric water heater to form a loop through a seventh three-way valve, a fifth three-way valve, a first water pump, a ground heating pipe, a second three-way valve, a sixth three-way valve and an eighth three-way valve, and then the electric water heater and the first water pump are started, and the electric water heater heats water in the loop and rapidly increases water temperature in the ground heating pipe;
the gas heating unit is adopted, the valve is rotated to enable the hot water outlet of the gas water heater to be communicated with the cold water inlet of the gas water heater to form a loop through the first four-way valve, the fifth three-way valve, the first water pump, the ground heating pipe, the second three-way valve, the sixth three-way valve and the second four-way valve, the biogas valve is opened, the gas water heater and the first water pump are started to heat water in the loop, and the water temperature in the ground heating pipe is rapidly increased.
Claims (5)
1. The system is characterized by comprising a ground heating unit, a cascade phase change energy storage unit, a solar heat collection and supply unit, a fuel gas heat supply unit and an electric heating unit;
the floor heating unit comprises a floor layer, a floor heating layer, a heat-insulating moisture-proof layer and a concrete base layer in sequence from indoor ground to ground, wherein a floor heating pipe is installed in the floor heating layer, a water inlet of the floor heating pipe is connected with an outlet of a first water pump through a pipeline, a water outlet of the floor heating pipe is connected with a second three-way valve through a pipeline, a first temperature sensor capable of displaying temperature is installed at the water inlet of the floor heating pipe and used for detecting the water inlet temperature of the floor heating pipe, and a water filling and discharging port is arranged on the pipeline between the water inlet of the floor heating pipe and the first water pump and can be connected with a water source and used for filling water and discharging water stored in the system;
the step phase change energy storage unit comprises a heat storage tank, a first partition plate and a second partition plate, wherein the first partition plate and the second partition plate are arranged in the heat storage tank, the heat storage tank is transversely divided into a low-temperature phase change heat storage bin, a medium-temperature phase change heat storage bin and a high-temperature phase change heat storage bin by the first partition plate and the second partition plate, an upper heat exchange coil and a lower heat exchange coil are also arranged in the heat storage tank, the upper heat exchange coil and the lower heat exchange coil respectively penetrate through the first partition plate and the second partition plate, the outlets of the upper heat exchange coil and the lower heat exchange coil, which are positioned in the low-temperature phase change heat storage bin and the high-temperature phase change heat storage bin, are respectively a cold end outlet and a hot end outlet, the cold end outlet and the hot end outlet of the lower heat exchange coil are respectively connected with a second three-way valve and a first three-way valve through pipelines, and the cold end outlet of the upper heat exchange coil is respectively connected with a fourth three-way valve and a second water pump outlet through pipelines; a second temperature sensor capable of displaying temperature is arranged at the cold end outlet of the upper heat exchange coil and is used for detecting the water temperature at the cold end outlet of the upper heat exchange coil;
the solar heat collection and supply unit comprises a solar heat collector, wherein a cold water inlet and a hot water outlet of the solar heat collector are respectively connected with a fourth three-way valve and a third three-way valve through pipelines, the third three-way valve is also connected with inlets of a first four-way valve and a second water pump through pipelines, and the fourth three-way valve is also connected with the second four-way valve through pipelines;
the gas heating unit comprises a methane tank, a methane storage tank, a gas water heater and a methane valve, a methane outlet of the methane tank is connected with a gas inlet of the methane storage tank through a pipeline with a methane valve, a gas outlet of the methane storage tank is connected with a gas inlet of the gas water heater through a pipeline with a methane valve, and a cold water inlet and a hot water outlet of the gas water heater are respectively connected with a second four-way valve and a first four-way valve;
the electric heating unit comprises a solar photovoltaic panel, a controller, a storage battery and an electric water heater, wherein the controller is respectively and electrically connected with the solar photovoltaic panel, the storage battery, the electric water heater and a power grid, and a hot water output end and a cold water input end of the electric water heater are connected with a seventh three-way valve and an eighth three-way valve through pipelines;
the eighth three-way valve is further connected with the sixth three-way valve and the second four-way valve through pipelines respectively, the seventh three-way valve is further connected with the fifth three-way valve and the first three-way valve through pipelines respectively, the water inlet of the second water pump is connected with the second three-way valve through a pipeline, the inlet of the first water pump is connected with the first three-way valve through a pipeline, and the first three-way valve is connected with the fifth three-way valve through a pipeline.
2. The floor heating system with multi-energy complementation and echelon energy coupling for rural areas according to claim 1, wherein the low-temperature phase-change heat storage bin, the medium-temperature phase-change heat storage bin and the high-temperature phase-change heat storage bin are respectively filled with phase-change heat storage materials with phase-change temperatures of 40-50 ℃, 50-60 ℃ and 60-70 ℃.
3. The floor heating system of claim 1, wherein the water filling and draining port is connected with a tap water pipeline through a valve and a pipeline.
4. The floor heating system for rural multi-energy complementation and echelon energy coupling as claimed in claim 1, wherein the controller adopts a solar inverter to control the integrated machine.
5. The floor heating system for rural multi-energy complementation and echelon energy coupling as claimed in claim 1, wherein the biogas storage tank adopts a double-membrane gas storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321185512.0U CN220771209U (en) | 2023-05-17 | 2023-05-17 | Multi-energy complementary and echelon energy coupling floor heating system suitable for rural areas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321185512.0U CN220771209U (en) | 2023-05-17 | 2023-05-17 | Multi-energy complementary and echelon energy coupling floor heating system suitable for rural areas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220771209U true CN220771209U (en) | 2024-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321185512.0U Active CN220771209U (en) | 2023-05-17 | 2023-05-17 | Multi-energy complementary and echelon energy coupling floor heating system suitable for rural areas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220771209U (en) |
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2023
- 2023-05-17 CN CN202321185512.0U patent/CN220771209U/en active Active
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