CN212222947U - Multi-energy coupling energy supply system suitable for efficient energy utilization of villages and small towns - Google Patents
Multi-energy coupling energy supply system suitable for efficient energy utilization of villages and small towns Download PDFInfo
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- CN212222947U CN212222947U CN202020589335.2U CN202020589335U CN212222947U CN 212222947 U CN212222947 U CN 212222947U CN 202020589335 U CN202020589335 U CN 202020589335U CN 212222947 U CN212222947 U CN 212222947U
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- 230000008878 coupling Effects 0.000 title claims abstract description 19
- 238000010168 coupling process Methods 0.000 title claims abstract description 19
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 19
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 122
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 84
- 238000003860 storage Methods 0.000 claims abstract description 27
- 238000000855 fermentation Methods 0.000 claims description 26
- 230000004151 fermentation Effects 0.000 claims description 24
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 239000002028 Biomass Substances 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 4
- 230000010354 integration Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 27
- 238000005516 engineering process Methods 0.000 description 6
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- 238000010438 heat treatment Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000005338 heat storage Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 150000001335 aliphatic alkanes Chemical group 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
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- 239000000463 material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
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Abstract
The utility model relates to a multi-energy coupling energy supply system suitable for efficient energy utilization in villages and towns, which comprises a first/second solar water heater device, a methane tank device and a solar photovoltaic device; the exhaust pipe of the methane tank device is externally connected with a tee joint, one gas outlet of the tee joint is connected with a first solar water heater device, the other gas outlet of the tee joint is connected with the gas inlet end of a methane pump, the first solar water heater device is connected with a circulating water pump, and the circulating water pump is connected with the methane tank device; the methane pump is provided with two air outlet pipes, one air outlet pipe is connected with the gas device, and the other air outlet pipe is connected with the second solar water heater device; the solar photovoltaic device is connected with the storage battery; the storage battery is respectively and electrically connected with the circulating water pump, the second solar water heater device and the methane pump. The utility model discloses with solar heat energy, solar photovoltaic and biomass energy integration, effectively overcome season, weather and the constraint of factors such as round the clock to certain renewable energy technique, realize that solar energy and biomass energy's high-efficient low-cost scale development utilizes.
Description
Technical Field
The utility model relates to an energy comprehensive utilization field especially relates to a be applicable to the high-efficient multipotency coupling energy supply system that utilizes of villages and small towns energy.
Background
Energy supply is a precondition and guarantee for rural social and economic development, and is related to energy safety of the whole country, however, the problems of unreasonable structure, lagged energy supply and energy utilization modes and the like still exist in the current rural energy. The method for supplying rural energy based on firewood and fossil energy not only causes serious energy waste and environmental damage, but also increases the burden of farmers, harms the health of the farmers, and also aggravates the current situation of insufficient energy supply in China.
Solar energy is a clean natural energy source, is abundant in reserves and has a great application prospect, but the supply of the solar energy source is relatively unstable due to the influence of a plurality of factors. For example, in cloudy or rainy days, the solar energy cannot be used to generate electricity.
The biogas can be used as a common and abundant renewable energy source in villages and small towns, not only can solve the problem of energy supply, but also can recycle waste, effectively improve the living environment, but also can not thoroughly solve the energy problem in the villages because the generation of the biogas is influenced by factors such as seasons, climate and the like.
However, in a general energy supply system, only a certain energy demand of a demander can be met, for example, solar energy is used for generating and storing heat or heating a biogas production system, but solar heat energy, solar photovoltaic and biomass energy are not scientifically integrated by using technologies and devices, so that an energy supply system with complementary solar energy and biomass energy is constructed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be applicable to the high-efficient multipotency coupling energy supply system that utilizes of villages and small towns energy, utilize technology and device scientific integration with solar heat energy, solar photovoltaic and biomass energy, effectively overcome season, weather and the constraint of factors such as round the clock to certain renewable energy technique, realize the high-efficient low-cost scale development and utilization of villages and small towns solar energy and biomass energy.
The technical scheme is as follows: a multi-energy coupling energy supply system suitable for efficient energy utilization of villages and towns comprises a first solar water heater device, at least one second solar water heater device, a methane tank device and a solar photovoltaic device;
the exhaust pipe of the methane tank device is externally connected with a tee joint, one gas outlet of the tee joint is connected with the first solar water heater device through a pipeline, the other gas outlet of the tee joint is connected with the gas inlet end of the methane pump, the hot water outlet of the first solar water heater device is connected with the water inlet of the circulating water pump, and the water outlet of the circulating water pump is connected with the feed inlet of the methane tank device;
the methane pump is provided with two air outlet pipes, one air outlet pipe is connected with the gas device, and the other air outlet pipe is connected with the second solar water heater device;
the solar photovoltaic device is connected with a storage battery for storing electric energy; the storage battery is respectively and electrically connected with the circulating water pump, the second solar water heater device and the methane pump.
Preferably, the first solar water heater device and the second solar water heater device are both vacuum tube solar water heaters, and each vacuum tube solar water heater comprises a vacuum glass tube and a heat storage water tank.
Preferably, the number of the first solar water heater devices is 1, and the number of the second solar water heater devices is 6.
Preferably, the solar photovoltaic device is a monocrystalline silicon photovoltaic cell panel.
Preferably, the methane tank device is an underground methane tank, and the underground methane tank comprises a fermentation room, a gas storage room and a hydraulic room which are communicated with each other;
the gas storage room is positioned above the fermentation room, and an exhaust pipe is arranged in the center of the top of the gas storage room; the fermentation room is communicated with a feed inlet on the ground through a feed pipe; the hydraulic chamber is connected with the fermentation chamber through a discharge channel, a discharge hole is formed in the top of the hydraulic chamber, and the discharge hole is communicated with the sunlight greenhouse.
Preferably, the underground methane tank is of a cylindrical structure.
Preferably, the bottom of the underground methane tank is inclined from the circumference to the center of the circle, and the slope of the bottom is 10%.
Preferably, the inlet pipe is provided with two, two the inlet pipe parallel and level sets up, just the mouth of pipe lower extreme of inlet pipe with the distance of the upper limb of the pool wall between the fermentation is 20 cm.
Preferably, the diameter of the inner circle of the feeding pipe is 30-35 cm.
Preferably, the top of the discharge hole is provided with a cover plate.
The utility model has the advantages that: the solar heat energy, solar photovoltaic and biomass energy utilization technology and device are scientifically integrated, the constraint of factors such as seasons, climate, day and night on certain renewable energy technology is effectively overcome, and efficient low-cost large-scale development and utilization of solar energy and biomass energy are realized.
Drawings
The accompanying drawings are provided to further illustrate the present invention, but the content in the accompanying drawings does not constitute any limitation to the present invention.
Fig. 1 is a schematic diagram of the working principle of the multi-energy coupling energy supply system suitable for efficient energy utilization in villages and towns.
Fig. 2 is a schematic structural view of a methane tank device in the multi-energy coupling energy supply system suitable for efficient energy utilization in villages and towns.
Wherein:
a first solar water heater device 1;
a second solar water heater unit 2;
a biogas digester device 3;
a solar photovoltaic device 4;
a circulating water pump 5;
a gas-fired device 6;
a storage battery 7;
a biogas pump 8;
a fermentation room 31;
a gas storage room 32;
a hydraulic chamber 33;
an exhaust pipe 34;
a feed pipe 35;
a feed inlet 36;
a discharge channel 37;
a discharge port 38.
The specific implementation mode is as follows:
the following describes the embodiments of the present invention in detail.
Detailed description of the preferred embodiment 1
As shown in fig. 1 and 2, a multi-energy coupling energy supply system suitable for efficient energy utilization in villages and towns comprises a first solar water heater device 1, at least one second solar water heater device 2, a methane tank device 3 and a solar photovoltaic device 4;
a tee joint is externally connected to an exhaust pipe 34 of the methane tank device 3, one gas outlet of the tee joint is connected with the first solar water heater device 1 through a pipeline, the other gas outlet of the tee joint is connected with the gas inlet end of the methane pump 8, a hot water outlet of the first solar water heater device 1 is connected with a water inlet of a circulating water pump 5, and a water outlet of the circulating water pump 5 is connected with a feed inlet 36 of the methane tank device 3 (hot water generated by the first solar water heater device 1 provides constant-temperature anaerobic fermentation conditions for the methane tank device 3);
the methane pump 8 is provided with two air outlet pipes, one air outlet pipe is connected with the gas device 6, and the other air outlet pipe is connected with the second solar water heater device 2 and is cooperated with the second solar water heater device 2 to supply heat and provide domestic hot water;
the solar photovoltaic device 4 is connected with a storage battery 7 for storing electric energy; the storage battery 7 is electrically connected to the circulating water pump 5, the second solar water heater 2, and the biogas pump 8 (a part of the power generated by the photovoltaic cell can be used to drive the circulating water pump 5 to deliver the hot water in the first solar water heater 1 to the biogas digester 3, and can also be used to drive the biogas pump 8 to improve the fermentation efficiency of the biogas digester 3).
In a general energy supply system, the arrangement of the energy supply system can only solve a certain energy demand of a demander, for example, solar energy is used for generating and storing heat or heating a biogas production system, but solar heat energy, solar photovoltaic and biomass energy are not scientifically integrated by using technologies and devices, so that the energy supply system with complementary solar energy and biomass energy is constructed.
The utility model discloses a be applicable to high-efficient multipotency coupling energy supply system that utilizes of villages and small towns energy, including first solar water heater device 1, second solar water heater device 2, methane-generating pit device 3 and solar photovoltaic device 4, utilize technology and device science integration with solar heat energy, solar photovoltaic and biomass energy, effectively overcome season, weather and the constraint of factors such as round the clock to certain renewable energy technique, realize the high-efficient low-cost scale development utilization of villages and small towns solar energy and biomass energy.
Specifically, the first solar water heater device 1 and the second solar water heater device 2 are both vacuum tube solar water heaters, and each vacuum tube solar water heater comprises a vacuum glass tube and a heat storage water tank.
Compared with other water heaters of the same type, the vacuum tube solar water heater has the characteristics of simple structure, excellent performance, advanced and reliable production process and particular suitability for large-scale production.
Specifically, the number of the first solar water heater devices 1 is 1, and the number of the second solar water heater devices 2 is 6.
The number of the first solar water heater devices 1 for providing constant-temperature anaerobic fermentation conditions for the methane tank device 3 is 1, so that the cost can be saved on the premise that the conditions are met, and the number of the second solar water heater devices 2 for heating domestic water by solar heat collection is 6, so that the heat collection efficiency is further improved, and meanwhile, the heating speed of the domestic water can be accelerated.
Specifically, the solar photovoltaic device 4 is a monocrystalline silicon photovoltaic cell panel.
Compared with other photovoltaic cell panels of the same type, the monocrystalline silicon photovoltaic cell panel has the characteristics of high cell efficiency and strong applicability.
Specifically, the methane tank device 3 is an underground methane tank which comprises a fermentation chamber 31, a gas storage chamber 32 and a hydraulic chamber 33 which are communicated with each other;
the gas storage room 32 is positioned above the fermentation room 31, and the center of the top of the gas storage room 32 is provided with an exhaust pipe 34; the fermentation room 31 is communicated with a feed inlet 36 positioned on the ground through a feed pipe 35 (the feed inlet 36 can be covered by a cover plate to reduce the leakage of methane); the hydraulic chamber 33 is connected with the fermentation chamber 31 through a discharge channel 37, a discharge hole 38 is formed in the top of the hydraulic chamber 33, and the discharge hole 38 is communicated with the sunlight greenhouse (on one hand, temperature is guaranteed, and on the other hand, feeding and discharging are facilitated).
The methane is a combustible gas produced by organic substances through biological fermentation under the conditions of certain temperature, humidity and pH value in an anaerobic environment. Biogas is a mixed gas whose main component is alkane and secondary components are sulfur dioxide, hydrogen sulfide, nitrogen and others.
The utility model provides an underground methane tank, which comprises a fermentation chamber 31, a gas storage chamber 32 and a hydraulic chamber 33 which are communicated with each other; the gas storage room 32 is positioned above the fermentation room 31, and the top of the gas storage room 32 is communicated with the ground through an exhaust pipe 34; the fermentation room 31 is communicated with a feed inlet 36 on the ground through a feed pipe 35; the hydraulic chamber 33 is connected with the fermentation chamber 31 through a discharge channel 37, a discharge hole 38 is formed in the top of the hydraulic chamber 33, and the discharge hole 38 is communicated with the sunlight greenhouse. In the technical scheme of the utility model, the underground methane tank cancels the hydraulic movable cover to seal the methane cover, only the exhaust pipe 34 is left to be used as an exhaust and gas guide device, thereby effectively increasing 32 volumes between gas storages and being beneficial to avoiding the problem caused by the untight sealing of the movable cover of the methane tank.
The working principle of the underground methane tank is as follows: when the methane tank does not produce gas, the feed pipe 35 and the feed liquid in the fermentation room 31 are located on the same horizontal plane. When the methane tank produces methane, the produced methane rises to the gas storage room 32 for storage. Because the gas storage room 32 is sealed and does not leak gas, the methane is accumulated continuously, and when the pressure of the accumulated methane exceeds the atmospheric pressure, the material liquid in the methane tank is pressed out.
Specifically, the underground methane tank is of a cylindrical structure.
The methane tank with the same volume has smaller area than other shapes, so that the building materials can be saved. Moreover, the methane tank with the cylindrical structure has better sealing performance and is relatively firm. The methane tank with a circular section in the horizontal direction has reasonable internal structure, the wall side of the tank body is smooth without right angles, the problem of sealing performance is easily solved, and the tank body is stressed uniformly all around when methane is accumulated, so that the tank body is firmer.
Specifically, the bottom of the underground methane tank is inclined from the circumference to the center of a circle, and the gradient of the bottom is 10%.
The bottom of the underground methane tank is inclined from the circumference to the center of a circle, and the slope of the bottom of the underground methane tank is 10 percent, so that the feed liquid in the fermentation room 31 can be conveniently discharged from the bottom of the underground methane tank.
Specifically, the inlet pipes 35 are provided with two, and two inlet pipes 35 are arranged in parallel and level, and the distance between the lower end of the outlet pipe opening of the inlet pipe 35 and the upper edge of the pool wall of the fermentation room 31 is 20 cm.
Specifically, the inner circle diameter of the feed pipe 35 is 30. The inner circle diameter of the feeding pipe 35 is 30cm, which is beneficial to further improving the feeding speed.
Specifically, the top of the discharge hole 38 is provided with a cover plate.
The top of the discharge port 38 is provided with a cover plate (not shown) to prevent people and livestock from entering the pool by mistake.
In addition, corresponding valves are arranged on the connected pipelines to control the opening and closing of gas or liquid (water).
Specific example 2
Substantially the same as in example 1, except that:
the inner circle diameter of the feed pipe 35 is 35 cm. The diameter of the inner circle of the feeding pipe 35 is 35cm, which is beneficial to further improving the feeding speed.
Specific example 3
Substantially the same as in example 1, except that:
the inner circle diameter of the feed pipe 35 was 33 cm. The inner circle diameter of the feeding pipe 35 is 33cm, which is beneficial to further improving the feeding speed.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. A multi-energy coupling energy supply system suitable for efficient energy utilization of villages and towns is characterized by comprising a first solar water heater device, at least one second solar water heater device, a methane tank device and a solar photovoltaic device;
the exhaust pipe of the methane tank device is externally connected with a tee joint, one gas outlet of the tee joint is connected with the first solar water heater device through a pipeline, the other gas outlet of the tee joint is connected with the gas inlet end of the methane pump, the hot water outlet of the first solar water heater device is connected with the water inlet of the circulating water pump, and the water outlet of the circulating water pump is connected with the feed inlet of the methane tank device;
the methane pump is provided with two air outlet pipes, one air outlet pipe is connected with the gas device, and the other air outlet pipe is connected with the second solar water heater device;
the solar photovoltaic device is connected with a storage battery for storing electric energy; the storage battery is respectively and electrically connected with the circulating water pump, the second solar water heater device and the methane pump.
2. The energy-efficient multi-energy coupling energy supply system suitable for village and town energy utilization according to claim 1, wherein said first solar water heater device and said second solar water heater device are vacuum tube solar water heaters, and said vacuum tube solar water heaters comprise a vacuum glass tube and a hot water storage tank.
3. The energy-efficient multi-energy coupling energy supply system suitable for villages and small towns is characterized in that the number of the first solar water heater devices is 1, and the number of the second solar water heater devices is 6.
4. The energy-efficient multi-energy coupling energy supply system suitable for villages and towns as claimed in claim 1, wherein said solar photovoltaic device is a monocrystalline silicon photovoltaic cell panel.
5. The multi-energy coupling energy supply system suitable for efficient energy utilization in villages and towns as claimed in claim 1, wherein the methane tank device is an underground methane tank, and the underground methane tank comprises a fermentation room, a gas storage room and a hydraulic room which are communicated with each other;
the gas storage room is positioned above the fermentation room, and an exhaust pipe is arranged in the center of the top of the gas storage room; the fermentation room is communicated with a feed inlet on the ground through a feed pipe; the hydraulic chamber is connected with the fermentation chamber through a discharge channel, a discharge hole is formed in the top of the hydraulic chamber, and the discharge hole is communicated with the sunlight greenhouse.
6. The multi-energy coupling energy supply system suitable for efficient energy utilization in villages and towns as claimed in claim 5, wherein the underground methane tank is of a cylindrical structure.
7. The system as claimed in claim 5, wherein the bottom of the underground methane tank is inclined from the circumference to the center of the circle, and the slope of the bottom is 10%.
8. The energy-efficient multi-energy coupling energy supply system suitable for villages and small towns is characterized in that two feeding pipes are arranged, the two feeding pipes are arranged in parallel, and the distance between the lower end of an outlet pipe opening of each feeding pipe and the upper edge of a pool wall of the fermentation room is 20 cm.
9. The energy-efficient multi-energy coupling energy supply system suitable for villages and small towns is characterized in that the diameter of the inner circle of the feeding pipe is 30-35 cm.
10. The energy-efficient multi-energy coupling energy supply system suitable for villages and small towns is characterized in that a cover plate is arranged at the top of the discharge hole.
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| CN202020589335.2U CN212222947U (en) | 2020-04-20 | 2020-04-20 | Multi-energy coupling energy supply system suitable for efficient energy utilization of villages and small towns |
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| CN202020589335.2U CN212222947U (en) | 2020-04-20 | 2020-04-20 | Multi-energy coupling energy supply system suitable for efficient energy utilization of villages and small towns |
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