Photovoltaic and photo-thermal renewable energy multi-storage recycling system
Technical Field
The utility model relates to an energy-conserving building technical field especially relates to a photovoltaic, many storages of light and heat renewable energy recycle system.
Background
Around 46% of energy sources worldwide are consumed in the final form of heat energy, the storage of heat energy is also an important branch in energy science and technology, and during the process of energy conversion and utilization, contradictions of mismatching of supply and demand in time and space often exist, such as peak-valley difference of power load, intermittency and fluctuation of renewable energy sources of solar energy, wind energy and the like. The energy storage means includes mechanical energy, electromagnetic energy, chemical energy, thermal energy storage, and the like. The thermal energy storage includes damp heat storage and latent heat (phase change heat) storage, the damp heat storage is performed by using the inherent heat fusion of the material, the latent heat storage, or phase change energy storage, is performed by using the substance called phase change material to absorb or release a large amount of latent heat when the state of the substance changes (solid-liquid, solid-solid or gas-liquid). The renewable energy heat energy storage can be widely applied in industry and civilian use, and therefore, the renewable energy heat energy storage plays an extremely important role in the technical field of energy storage.
In the process of energy storage, mutual exchange, mutual application and storage of heat are very important, how to solve the problem that the supply and demand of energy are not matched in time and space is not provided with an effective means of energy utilization rate, the maximum utilization of energy can be obtained only by effectively utilizing the heat in each stage, and the consumption of energy is reduced, so that a photovoltaic and photothermal renewable energy multi-storage recycling method and a system thereof are provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The application provides a photovoltaic, many storages of light and heat renewable energy recycle system, has solved the unmatched contradiction of traditional energy supply and demand in time and space, can't provide energy utilization's effective means, the heat in each stage of utilization that can not be fine, problem that energy utilization is low.
The application provides a photovoltaic and photo-thermal renewable energy multi-storage recycling system, which comprises a solar water heater, a temperature supply pipe network, a power plant pipe network, a sewage pipe network, a dirty gas pipe network and an energy storage pipe network, wherein the solar water heater is connected with the temperature supply pipe network, the temperature supply pipe network is connected with the sewage pipe network through a sewage heat pump, the temperature supply pipe network is connected with the dirty gas pipe network through a dirty gas heat pump, the temperature supply pipe network is connected with the energy storage pipe network through a ground source heat pump, the sewage heat pump, the dirty gas heat pump and the ground source heat pump are connected with the power plant pipe network, the temperature supply pipe network is connected with a waste heat pipeline of the power plant pipe network through a pipeline, the dirty gas pipe network is connected with a burner of the power plant pipe network, the solar water heater is connected with the energy storage pipe network through a heat exchanger, the power plant pipe network is connected with the energy storage pipe network through a heat exchanger, the sewage pipe network and the sewage pipe network are both connected with the energy storage pipe network through heat exchangers, the energy storage pipe network comprises a plurality of outer tanks which are pre-embedded in the ground by 1.3-22M and a plurality of vertical shafts which are arranged on the ground by 180-200M, the interval between two adjacent vertical shafts is 4.5-12M, an inner tank is arranged in each outer tank, heat-insulating paint is coated inside each outer tank, an interlayer is arranged in each inner tank, each interlayer is filled with a ppr nanocrystalline block, a U-shaped pipe is preset in each vertical shaft, the bottom end of each U-shaped pipe extends to the bottom of each vertical shaft, an interlayer is arranged in each U-shaped pipe, the ppr nanocrystalline is arranged in each interlayer of the U-shaped pipes, and a heating coil is arranged in each inner tank.
Preferably, a ppr nanocrystalline buried layer is embedded at the bottom of the vertical shaft, and the depth of the ppr nanocrystalline buried layer is 1-3M.
Preferably, the diameter of the outer vessel is 50-250 CM.
Preferably, the U-shaped tube has a diameter of 50-168 MM.
Preferably, the wellhead diameter of the shaft is 35-60 CM.
Preferably, the temperature supply pipe network comprises a gas supply pipe network and a heating pipe network.
Preferably, the power plant pipe network comprises a waste heat pipeline and a burner gas supply pipeline.
Preferably, a negative pressure machine is installed at the sewage gas pipe network.
Preferably, the sewer pipe network outlet is provided with a sewage pump.
According to the technical scheme, the application provides a photovoltaic and photothermal renewable energy multi-storage recycling system, when in installation, a plurality of inner tanks and outer tanks are assembled, after pipelines are installed and connected, the inner tanks and the outer tanks are embedded underground to carry out original building construction, after foundation infrastructure is constructed, drilling is carried out to drill a vertical shaft, a plurality of U-shaped pipes are placed into the drilled holes, a ppr nanocrystalline embedded layer is paved at the bottom of the vertical shaft, the rest soil stones are buried through the excavated soil stones, connecting pipes of the inner tanks and the U-shaped pipes are integrated, each pipeline is independently arranged and connected to a circulating pump to enable internal water to circularly flow, the inner tanks and the U-shaped pipes are connected to a solar water heater through heat exchangers, the solar water heater is connected to a temperature supply water pipe, the solar water heater, the heat exchangers and the heating pipelines are connected through three-way valves, water in the solar water heater flows into the temperature supply water pipe or the heat exchangers, then the inner tank and the U-shaped pipe are connected through a heat supply pipeline consisting of a heat pump, a temperature supply water pipe and a temperature supply air pipe, a negative pressure adsorption pipeline is installed in a sewer pipeline of a city to form a dirty air pipe network, the dirty air pipe network is connected with the temperature supply water pipe and the temperature supply air pipe through the heat pump, the dirty air pipe network is connected with the thermal generator set of the power grid for combustion, the control end of the collecting sewage pipe network is connected with the temperature supply air pipe through the heat pump, the temperature supply water pipe and the temperature supply air pipe, meanwhile, the waste heat pipeline of the power plant in the power plant pipe network, the sewage pipe network and the dirty air pipe network are connected through a heat exchanger and an energy storage pipe network, when the temperature in summer is higher, the underground temperature is 11-12 ℃, the flowing sewage and the collected dirty air exchange heat through the heat exchanger and the energy storage pipe network, the dirty air and the sewage are cooled, thereby the city, the pollution of underground pipelines to the environment is reduced, heat collected by solar energy is exchanged through a heat exchanger and an energy storage pipe network, the heat is stored in an inner tank and a ground surface layer, cooling water of a thermal power station is exchanged through the heat exchanger and the energy storage pipe network, the heat discharged to the atmosphere is reduced, the steam loss caused by evaporation is reduced, a ground source heat pump absorbs the heat of wind in a temperature supply air pipe into the energy storage pipe network, cold wind with lower temperature is sent indoors for cooling, the heat discharge in the air is reduced, the power of the ground source heat pump is reduced because the temperature of the water in the energy storage pipe network is lower than the room temperature in summer, the purpose of saving energy is achieved, the heat is exchanged with the water in the inner tank when the temperature is higher, the heat is exchanged to the ground through a U-shaped pipe when the temperature is lower or the inner tank can not absorb heat, and the heat is supplied to the temperature supply pipe network by a solar water heater when the temperature is lower in winter, when the temperature of the heating pipe network does not meet the requirement, the sewage heat pump is started, the foul gas heat pump and the ground source heat pump heat the heating water pipe and the heating air pipe, the temperature is heated to the required temperature, the heat in sewage and foul gas is absorbed, when the heat in sewage and foul gas is insufficient, the heat of circulating water in the inner tank and the U-shaped pipe is absorbed, when the heat of circulating water in the inner tank is used more, the heat of the U-shaped pipe is mainly absorbed, the water in the U-shaped pipe flows to the ground through one-time circulation, the heat is absorbed and then returned to the ground, the heat is exchanged to the heating pipe network through the ground source heat pump for heating, the power of the ground source heat pump can be increased at night, valley electricity is used for heating the inner tank through the heating pipe, the heat is stored, the heat is reserved for heating the heating pipe network through the ground source heat pump in daytime, and the energy utilization efficiency is improved.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the temperature of sewage and dirty gas is reduced through the cooperation of a sewage pipe network, a dirty gas pipe network, an energy storage pipe network and a power plant pipe network, so that the temperature of a heat island effect in a city is reduced, dirty gas is collected and combusted, the pollution of the dirty gas to the atmosphere is reduced, and the environment-friendly capacity of the city is improved;
2. by matching the energy storage pipe network and the power plant pipe network, the water in the inner tank is heated by valley electricity in winter, and the heat is recovered and supplemented to the temperature supply pipe network in the peak period of electricity utilization in the daytime, so that energy is saved;
3. through the matching of the energy storage pipe network, the solar water heater and the temperature supply pipe network, energy is stored underground in summer, and heat is supplied through the solar energy and the energy storage pipe network in winter, so that the problems of high heating cost and large heat loss caused by long traditional heating pipes are solved, the energy consumption in heating is reduced, resources are integrated, heating and cooling of cities are provided through a small amount of electric energy, and the energy consumption of the cities is reduced;
4. through the setting of ppr nanocrystalline, can improve storage medium's heat conductivity and improve the heat energy of storage, heat transfer is fast, improves heat conversion.
To sum up, this application can effectual utilization sun, sewage, foul gas and underground heat energy, the effectual combination that combines, for the city heats and cools down, install in a plurality of places in the underground, control alone, cool and heat for every building respectively, pipeline layout cost when reducing the heating installation heating, the power consumption when having reduced heating boiler's use and summer cooling, integrate urban energy configuration, reduce the construction cost and the tail gas treatment cost of many heat supply plants, a great power plant is integrated into to the same integration, the centralized processing tail gas of being convenient for, reduce urban energy consumption.
Drawings
In order to more clearly illustrate the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any creative effort.
Fig. 1 is a schematic structural view of a photovoltaic and photothermal renewable energy multi-storage recycling system provided by the present invention;
fig. 2 is a schematic structural view of an outer tank of the photovoltaic and photothermal renewable energy multi-storage recycling system provided by the present invention;
fig. 3 is a schematic cross-sectional structural view of a U-shaped tube of a photovoltaic and photothermal renewable energy multi-storage recycling system provided by the present invention;
fig. 4 is an enlarged view of a structure at a position a of the photovoltaic and photothermal renewable energy multi-storage recycling system provided by the present invention;
fig. 5 is the utility model provides an energy storage pipe network structure schematic diagram of photovoltaic, many storages of light and heat renewable energy recycling system.
In the figure: the device comprises an outer tank 1, a U-shaped pipe 2, a vertical shaft 3, a nanocrystalline pre-buried layer 4ppr, a nanocrystalline block 5ppr, an inner tank 6, heat-insulating paint 7 and a heating coil 8.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.
Referring to fig. 1-5, a photovoltaic and photo-thermal renewable energy multi-storage recycling system comprises a solar water heater, a temperature supply pipe network, a power plant pipe network, a sewage pipe network, a dirty air pipe network and an energy storage pipe network, wherein the solar water heater absorbs energy in the sun in summer, stores the energy in water in an inner tank 6 through the inner tank 6, and sends the energy to the ground through a U-shaped pipe 2 and a vertical shaft, so as to reduce the temperature in the city and supplement the ground heat consumed in winter, the temperature supply pipe network is cooled by a ground source heat pump and then heated during heating, the temperature supply pipe network comprises an air supply pipe network and a heating pipe network, the temperature of the temperature supply pipe network is adjusted through water and air, the power plant pipe network comprises a waste heat pipeline and a combustor air supply pipeline, the power plant pipe network is a traditional thermal power generation system, a combustor can be used for treating dirty air, and the sewage pipe network is a city sewage drainage pipeline, the sewage gas pipe network is another set of pipeline arranged in the urban sewage pipeline, a negative pressure machine is arranged at the sewage gas pipe network, negative pressure is formed in the pipeline, sewage gas in the sewage pipeline is absorbed, pollution of the sewage gas to urban air is reduced, the solar water heater is connected with the heat supply pipe network, the heat supply pipe network is heated through solar energy in winter, the heat supply pipe network is connected with the sewage pipe network through a sewage heat pump, the temperature of the sewage and the sewage gas in winter is averagely 12 ℃, the heat pump can be used for absorbing the energy, the sewage pipe network is provided with a sewage pump to improve the fluidity of the sewage, the heat supply pipe network is connected with the sewage gas pipe network through a sewage heat pump to absorb the heat of the sewage gas in winter, the heat supply pipe network is connected with the energy storage pipe network through a ground source heat pump, purified water flows in the energy storage pipe network to avoid pipeline congestion, the operation stability is improved, the heat pump absorbs the heat of the energy storage pipe network in winter to improve the heat of the heat supply pipe network, in summer, the heat of the heat supply pipe network is absorbed and provided for the energy storage pipe network, so that the temperature control of the city at different temperatures is realized;
the sewage heat pump, the dirty gas heat pump and the ground source heat pump are all connected with a power grid of a power plant pipe network, the heat pump has small consumption and high conversion temperature control during heat conversion, a heat supply pipe network and a waste heat pipeline of the power plant pipe network are connected through a pipeline, in winter, redundant heat is supplied to a nearby house for supplying heat during a power consumption valley period at night, the dirty gas pipe network is connected to a burner of the power plant pipe network, dirty gas is treated through a burner of the power plant, the urban environment is beautified, the solar water heater and the energy storage pipe network are connected through a heat exchanger, heat is stored in the energy storage pipe network in summer, the power plant pipe network and the energy storage pipe network are connected through the heat exchanger, cooling water of a thermal power station exchanges heat through the heat exchanger and the energy storage pipe network, heat discharged to the atmosphere is reduced, steam loss caused by evaporation is reduced, the water cost of thermal power generation is reduced, the dirty gas pipe network and the sewage pipe network are both connected with the energy storage pipe network through the heat exchanger, when the temperature of sewage and foul gas is increased due to high temperature in a city in summer, the temperature of the sewage and foul gas is increased, the average temperature of the sewage level is 25 ℃, the temperature of the sewage is reduced to the underground temperature through the heat exchanger, and the influence of the foul gas on the environment and the breeding of bacteria are reduced;
the energy storage pipe network comprises a plurality of outer tanks 1 which are pre-buried under the ground by 1.3-22M and a plurality of vertical shafts 3 which are arranged on the ground by 180-200M, the diameter of each outer tank 1 is 50-250CM, the energy storage pipe network is low in cost and convenient to transport, the energy storage pipe network is simple to mount under the ground and does not affect the soil layer, the interval between two adjacent vertical shafts 3 is 4.5-12M, the energy storage pipe network can effectively store heat in summer and absorb heat in winter, the diameter of a well head is 35-60CM, the construction is convenient, the construction cost is low, an inner tank 6 is arranged in each outer tank 1, heat insulation paint 7 is coated in each outer tank 1, the outer tanks 1 and the heat insulation paint 7 are matched to insulate heat of each inner tank 6 and are buried under the ground, the heat insulation effect can be greatly improved, an interlayer is arranged in each inner tank 6, a ppr nanocrystalline block 5 is filled in the interlayer, the energy storage pipe network is good, the heat transfer is fast, U-shaped pipes 2 are arranged in each vertical shaft 3, the diameter of each U-shaped pipe 2 is 50-168, the water flows smoothly, heat exchange to the ground is realized through the U-shaped pipe 2, the bottom end of the U-shaped pipe 2 extends to the bottom of the vertical shaft 3, an interlayer is arranged in the U-shaped pipe 2, a ppr nanocrystalline is arranged in the interlayer of the U-shaped pipe 2, a large amount of heat energy can be stored, a heat conduction block is arranged in the inner tank 6, the heat exchange efficiency is improved, the heating coil 8 is arranged in the inner tank 6, when the temperature of the inner tank 6 is lower in winter, water in the inner tank 6 is heated through valley electricity at night, redundant electric energy is stored, the heat energy is reasonably used, the heat of sewage and foul gas is converted into clean hot water to return to the tank through the heat exchanger and the plate, in a shallow geothermal energy well, an underground soil layer is a huge natural heat source, the thermal inertia is extremely large, the annual temperature fluctuation is very small, generally, the temperature below 50m of the ground surface can be maintained at about the annual average temperature of the region all the year round, the shallow geothermal energy well is an ideal natural cold and heat source, and the heat tank is charged by utilizing photo-heat, simultaneously supplying heat; when no illumination is available, water in the inner tank 6 is used for supplying heat, the valley power time is 10 hours (22:00-08:00), the designed heating indoor temperature is 22-25 ℃, three kinds of heat energy, namely valley power, sewage and geothermal energy, are used for supplying heat and cooling at the valley power time, and heat is released in other time periods for heating and supplying hot water.
The urban underground water temperature is relatively in a constant temperature state, the average water temperature in summer is 25 ℃, the underground temperature propagation is slow, the water temperature is stabilized at 25 ℃ under long-time heating, the COP value of the heat pump is about 6.1 at the moment, the refrigerating capacity of the heat pump is 3600kW, the water consumption in hours is about 720.6 cubic meters, 2-6 heat pumps are generally matched during refrigerating in summer, and the total water consumption in hours is 4323.6 cubic meters;
the average temperature of the sewage in winter is calculated according to 12C, the heating temperature in winter is 60 ℃, the COP value of the sewage heat pump is about 5.1, the heat pump heating capacity is 4400kW, the hourly sewage consumption is about 723.9 cubic meters, the two heat pumps are started for heating, the hourly total sewage consumption is about 1447.8 cubic meters, and the water is supplied through an energy storage pipe network when the sewage is insufficient;
when refrigerating in summer, the maximum water amount per hour is 4323.6 cubic meters; when heating in winter, the maximum hourly sewage amount is 1447.8 cubic meters, and the heat supply area is about 18 ten thousand square meters;
when sewage is treated in summer, the temperature of water at 11-12 ℃ underground can be changed to 21 ℃ through sewage heat exchange, the water is heated to 60-100 ℃ through solar energy, hot water is sent into the inner tank 6 or shallow underground for heat exchange, the minimum power is 150GJ, 5 kilosquare meters can be supplied for heat supply in winter, and the maximum energy storage power is 15 kilo-GJ, 5 million square meters can be supplied for centralized heat supply in winter.
The utility model discloses in, the bottom of shaft 3 has buried ppr nanocrystalline pre-buried layer 4 underground, improves bottommost heat transfer efficiency and stored energy, and the degree of depth of ppr nanocrystalline pre-buried layer 4 is 1-3M, reduces installation cost.
According to the technical scheme, when the solar water heater is used, a plurality of inner tanks 6 and outer tanks 1 are assembled, the inner tanks and the outer tanks are embedded underground after being installed and connected, original building construction is carried out, after foundation construction is completed, holes are drilled to drill a vertical shaft 3, a plurality of U-shaped pipes 2 are placed in the drilled holes, a ppr nanocrystalline embedded layer 4 is laid at the bottom of the vertical shaft 3, the rest of the inner tanks are filled with excavated earth and stones, connecting pipes of the inner tanks 6 and the U-shaped pipes 2 are integrated, each pipeline is independently arranged and connected onto a circulating pump, internal water circularly flows, the inner tanks 6 and the U-shaped pipes 2 are connected onto the solar water heater through heat exchangers, the solar water heater is connected onto a temperature supply water pipe, the heat exchanger and the heat supply pipe are connected through a three-way valve, water in the solar water heater flows into the temperature supply water pipe or the heat exchanger, the inner tanks 6 and the U-shaped pipes 2 are connected through a heat pump and a temperature supply pipe composed of the temperature supply air pipe, the negative pressure adsorption pipeline is arranged in a sewer pipeline of a city to form a sewage gas pipeline network, the sewage gas pipeline network is connected with a temperature supply water pipe and a temperature supply air pipe through a heat pump, the sewage gas pipeline is connected with a thermal generator set of a power grid to be combusted, a control end of a collecting sewage pipe network is connected with the temperature supply air pipe through the heat pump, the temperature supply water pipe and the temperature supply air pipe, meanwhile, a waste heat pipeline of a power plant in the power plant pipeline network, the sewage pipe network and the sewage gas pipeline network are connected with an energy storage pipe network through a heat exchanger, when the temperature in summer is higher, the underground temperature is 11-12 ℃, flowing sewage and collected sewage gas exchange heat through the heat exchanger and the energy storage pipe network to cool the sewage gas and the sewage gas, so that the urban pipeline is cooled, because the urban sewage pipeline is in a micro-negative pressure state, the pollution of the underground pipeline to the environment is reduced, and heat collected by solar energy exchanges heat through the heat exchanger and the energy storage pipe network, the heat is stored in the inner tank and the surface layer, the cooling water of the thermal power station exchanges heat with the energy storage pipe network through the heat exchanger to reduce the heat discharged to the atmosphere and reduce the water vapor loss caused by evaporation, the ground source heat pump absorbs the heat of the wind in the heat supply air pipe into the energy storage pipe network to send cold wind with lower temperature to the room for cooling, thereby not only reducing the heat discharge in the air, but also reducing the power of the ground source heat pump because the temperature of the water in the energy storage pipe network is lower than the room temperature in summer to achieve the purpose of energy saving, exchanging heat with the water in the inner tank 6 when the temperature is higher, exchanging heat to the ground through the U-shaped pipe when the temperature is lower or the inner tank 6 can not absorb heat, supplying heat to the heat supply pipe network by using the solar water heater when the temperature is lower in winter, and heating the heat supply pipe network when the temperature of the heat supply pipe network can not meet the requirements, starting the sewage heat pump, the dirty air heat pump and the ground source heat pump to heat the heat supply water pipe and the heat supply pipe, heat to the required temperature, absorb sewage, heat in the foul gas, when the heat in sewage and the foul gas is not enough, absorb the heat of inner tank 6 and U type 2 well circulating water, when the heat of inner tank 6 well circulating water used more, mainly absorb the heat of U type 2, water in U type 2 is through once-through circulation, send back ground after flowing to the heat of ground bottom back absorption, supply the temperature pipe network with the heat through the ground source heat pump and carry out the temperature, can increase ground source heat pump's power when evening, utilize the millet electricity to heat the inner tank through heating coil 8, store the heat, reserve daytime through ground source heat pump heating supply the temperature pipe network, improve energy utilization efficiency.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The above-described embodiments of the present application do not limit the scope of the present application.