CN114383327A - Energy-saving and clean energy type hot water supply system and method for comprehensive transformation - Google Patents
Energy-saving and clean energy type hot water supply system and method for comprehensive transformation Download PDFInfo
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- CN114383327A CN114383327A CN202111578851.0A CN202111578851A CN114383327A CN 114383327 A CN114383327 A CN 114383327A CN 202111578851 A CN202111578851 A CN 202111578851A CN 114383327 A CN114383327 A CN 114383327A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/40—Solar heat collectors combined with other heat sources, e.g. using electrical heating or heat from ambient air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/007—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations the wind motor being combined with means for converting solar radiation into useful energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/10—Combinations of wind motors with apparatus storing energy
- F03D9/11—Combinations of wind motors with apparatus storing energy storing electrical energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/028—Steam generation using heat accumulators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D11/00—Central heating systems using heat accumulated in storage masses
- F24D11/002—Central heating systems using heat accumulated in storage masses water heating system
- F24D11/003—Central heating systems using heat accumulated in storage masses water heating system combined with solar energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D11/00—Central heating systems using heat accumulated in storage masses
- F24D11/002—Central heating systems using heat accumulated in storage masses water heating system
- F24D11/004—Central heating systems using heat accumulated in storage masses water heating system with conventional supplementary heat source
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S60/00—Arrangements for storing heat collected by solar heat collectors
- F24S60/10—Arrangements for storing heat collected by solar heat collectors using latent heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
- H02S10/10—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
- H02S10/12—Hybrid wind-PV energy systems
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/38—Energy storage means, e.g. batteries, structurally associated with PV modules
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/08—Electric heater
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/14—Solar energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention relates to a comprehensive improved energy-saving and clean energy type hot water supply system and a method, which comprises an electric power storage device, a heat preservation water tank, a solar hot water device for heating hot water in the heat preservation water tank, an electric water heating device for heating the hot water in the heat preservation water tank by using electric energy of a power grid in a low valley period of electricity utilization, a phase change energy storage device for collecting and storing heat energy of the hot water in the heat preservation water tank and reversely heating the hot water in the heat preservation water tank by using the stored heat energy, a wind energy generating device for converting wind energy into electric energy, a solar power generating device for converting solar energy into electric energy, a power grid electric energy for storing the electric energy in the low valley period of electricity utilization, the electric energy generated by the wind energy generating device and the electric energy generated by the solar power generating device, and when the solar energy is insufficient and/or the solar hot water heating device can not normally work, providing electric energy for the electric water heating device; the invention utilizes clean energy to modify the traditional hot water system, and realizes the comprehensive energy-saving hot water effect.
Description
Technical Field
The invention relates to the technical fields of comprehensive energy conservation, heat supply and the like, in particular to an energy-saving reconstruction system and method for comprehensively reconstructing an energy-saving and clean energy type hot water supply system and a hot water production section of a steam boiler.
Background
Most of the existing hot water supply systems and devices adopt electric energy, coal, natural gas or solar energy for heating, but the energy utilization method is too single, and various clean energy sources cannot be comprehensively utilized, so that the cost is high; the social requirements of energy consumption for cleaning, energy conservation and environmental protection can not be realized.
Disclosure of Invention
The invention provides a comprehensively-improved energy-saving and clean energy type hot water supply system and an energy-saving energy-storing supply method thereof, aiming at solving the technical problem that the cost is higher because the energy utilization method of the existing hot water supply system is too single and various clean energy sources cannot be comprehensively utilized.
The technical scheme for solving the technical problems is as follows:
a comprehensively improved energy-saving and clean energy type hot water supply system, which comprises,
the heat preservation water tank is used for storing hot water;
the solar water heating device is used for circularly heating hot water in the heat-preservation water tank by utilizing solar energy;
the electric water heating device is used for circularly heating hot water in the heat-preservation water tank by using electric energy of a power grid in a power consumption valley period;
the phase change energy storage device is used for collecting and storing the heat energy of the hot water in the heat preservation water tank and reversely heating the hot water in the heat preservation water tank by utilizing the stored heat energy;
the wind power generation device is used for converting wind energy into electric energy;
a solar power generation device for converting solar energy into electric energy;
and the electric storage device is used for storing electric energy of a power grid in a power consumption valley period, electric energy generated by the wind power generation device and electric energy generated by the solar power generation device and providing electric energy for the electric water heating device at night and/or when solar energy is insufficient and/or the solar water heating device cannot normally work.
The invention has the beneficial effects that: the solar energy and electric energy hot water are utilized, the heat energy of the heated hot water is stored in the phase-change storage device, the heat is released through the phase-change energy storage device at night or when the solar energy is insufficient or even the solar power generation device cannot work, the hot water in the heat-insulation water tank is reversely heated, the electric power of a power grid in a valley period, the electric energy generated by the wind power generation device and the electric energy generated by the solar power generation device are utilized to supply power to the electric water heating device, the hot water in the heat-insulation water tank is circularly heated, and the heat energy is stored in the phase-change storage device; according to the invention, green energy solar energy is used for directly heating, utilizing and storing, and meanwhile, electric energy of a power grid, wind energy and solar energy in a power consumption valley period are stored for hot water, so that the comprehensive energy-saving effect of energy conservation and emission reduction is realized; meanwhile, by arranging the phase change energy storage device, heat energy can be stored when solar energy is sufficiently charged in the daytime, heat energy is released through the phase change energy storage device at night, hot water in the heat preservation water tank is reversely heated, and by arranging the phase change energy storage device, the electric energy of the off-peak power grid can be stored through the electromagnetic water heating device at night, the heat energy is released through the phase change energy storage device at daytime or on cloudy days or in winter, the hot water in the heat preservation water tank is reversely heated, and the full utilization of energy is realized. The invention converts the solar energy, the electric energy and the heat energy stored in the phase-change way into heat energy for improving a hot water boiler or a heat energy heating device used by hot water supply, heating and drying enterprises to realize energy-saving reconstruction, more importantly, the invention utilizes natural energy, valley electric energy and the phase-change stored energy to carry out energy-saving and consumption-reducing system reconstruction on the steam boiler, and concretely, clean energy such as the solar energy, the electric energy and the heat energy stored in the phase-change way is used for heating the water before the steam boiler generates steam to within 90-100 ℃, and then the water is conveyed into the steam boiler, so that the energy-saving reconstruction of the traditional steam boiler by using the clean energy is realized, thereby reducing the energy consumption and the use cost of the enterprises.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, still include hot water boiler, hot water boiler is used for the circulation heating hot water in the holding water box.
Further, the hot water boiler is a gas fuel hot water boiler and/or a solid fuel hot water boiler and/or a liquid fuel hot water boiler and/or a new energy fuel hot water boiler.
Further, the gas fuel hot water boiler is specifically a natural gas hot water boiler and/or a liquefied petroleum gas hot water boiler and/or a methane hot water boiler; the solid fuel hot water boiler is specifically a coal hot water boiler and/or a biomass particle hot water boiler and/or a wood hot water boiler; the liquid fuel hot water boiler is specifically a methanol hot water boiler and/or a diesel hot water boiler and/or a heavy oil hot water boiler.
The invention has the advantages that the hot water boiler can be the existing hot water equipment of users, the invention can be applied to some old hot water boilers and can improve energy conservation and emission reduction, the implementation scheme of comprehensive energy conservation is provided for enterprises or users who already have the hot water boiler by the mode, and the waste caused by scrapping of the existing hot water boiler can not be caused.
Further, the electric water heating device is specifically an electromagnetic energy water heating device.
Further, the electric power storage device comprises a first electric power storage device and a second electric power storage device, wherein the first electric power storage device is specifically used for storing electric energy generated by the wind power generation device and electric energy generated by the solar power generation device and providing electric energy for the electric water heating device at night and/or when solar energy is insufficient and/or the solar water heating device cannot normally work; the second electric storage device is specifically used for storing electric energy of a power grid in a power utilization valley period and providing electric energy for the electric water heating device when the electric water heating device works at night and/or solar energy is insufficient and/or the solar water heating device cannot work normally.
The beneficial effect of adopting the above further scheme is that, the electric power storage device I and the electric power storage device II are adopted to respectively store the electric power of the power grid in the electricity consumption valley period, the electric power generated by the wind energy power generation device and the electric power generated by the solar energy power generation device, so that the conflict between the electric power generated by the wind energy power generation device and the electric power generated by the solar energy power generation device and the electric power storage of the power grid in the electricity valley period can be avoided, namely, the electric power storage capacity can be improved by separate storage, and meanwhile, after the electric power storage device is fully stored with the electric power because of the electric power of the power grid in the electricity consumption valley period when the same electric power storage device is used for storage, the electric power generated by the wind energy power generation device and the electric power generated by the solar energy power generation device are wasted.
Based on the comprehensive transformation energy-saving and clean energy type hot water supply system, the invention also provides a comprehensive transformation energy-saving and clean energy type hot water supply method, which has the following specific technical scheme:
a comprehensive transformation energy-saving and clean energy type hot water supply method comprises the following steps:
the method comprises the following steps that firstly, a heat preservation water tank, a solar water heating device, an electric water heating device, a wind power generation device, a solar power generation device and an electric power storage device are arranged;
step two, utilizing hot water of a solar water heating device to convey hot water generated by the solar water heating device to the heat preservation water tank for storage, and utilizing the solar water heating device to circularly heat the hot water in the heat preservation water tank;
thirdly, collecting and storing the heat energy of the hot water in the heat-preservation water tank by using the phase-change energy storage device, and reversely heating the hot water in the heat-preservation water tank by using the heat energy stored by the phase-change energy storage device when the solar water heating device cannot normally work at night and/or the solar energy is insufficient;
and fourthly, storing the electric energy generated by the wind energy generating device and the electric energy generated by the solar energy generating device to the electric storage device, and utilizing the electric storage device to provide electric energy for the electric water heating device and/or utilizing the electric energy in the electricity consumption valley period to provide electric energy for the electric water heating device and utilizing the electric water heating device to circularly heat the hot water in the heat preservation water tank when the solar energy is insufficient and/or the solar water heating device cannot normally work and/or the heat energy stored by the phase change energy storage device cannot heat the hot water in the heat preservation water tank.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the fourth step is specifically that the power storage device is configured to be a combination of a first power storage device and a second power storage device;
storing the electric energy generated by the wind energy generating device and the electric energy generated by the solar energy generating device to the first electric power storage device, and enabling the first electric power storage device to provide electric energy for the electric water heating device when the electric water heating device cannot normally work at night and/or the solar energy is insufficient;
and storing the electric energy of the power grid in the electricity consumption valley period to the second electric storage device, and enabling the second electric storage device to provide electric energy for the electric water heating device and/or using the electric energy of the power grid in the electricity consumption valley period to provide electric energy for the electric water heating device when the solar water heating device cannot normally work at night and/or the solar energy is insufficient.
Further, the first step is specifically that a heat preservation water tank, a solar water heating device, an electric water heating device, a wind power generation device, a solar power generation device, an electric power storage device and a hot water boiler are arranged;
the fourth step is specifically that the electric energy generated by the wind power generation device and the electric energy generated by the solar power generation device are stored in the electric storage device, and when the electric energy is insufficient and/or the solar water heating device cannot work normally and/or the hot water in the heat preservation water tank cannot be heated by the heat energy stored by the phase change energy storage device at night, the electric storage device is utilized to provide electric energy for the electric water heating device and/or the electric energy in the electricity consumption valley period is utilized to provide electric energy for the electric water heating device, the electric water heating device is utilized to circularly heat the hot water in the heat preservation water tank, and/or the hot water boiler is utilized to circularly heat the hot water in the heat preservation water tank; the phase change energy storage device is used for storing heat energy when solar energy is sufficiently charged in the daytime, releasing the heat energy through the phase change energy storage device when night comes, reversely heating hot water in the heat preservation water tank, and/or storing the heat energy through an electric water heating device by using off-peak power grid electric energy at night, and reversely heating the hot water in the heat preservation water tank when the solar water heater reaches the daytime or in cloudy days or in winter by using the phase change energy storage device to release the heat energy.
Further, the method also comprises a fifth step, wherein the fifth step is to use the hot water with the temperature of 90-100 ℃ in the heat-preservation water tank for supplying heat to users and/or being used as a water source required by enterprises and/or users for producing steam.
The invention has the advantages that the comprehensive energy-saving hot water scheme is realized by utilizing the clean energy source to reform the traditional hot water energy, and then the hot water with the temperature of 90-100 ℃ is supplied to steam production enterprises or users, so that the energy consumption in the hot water stage can be reduced for the steam production, and the energy consumption is further reduced.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a wind power generation device; 2. a first power storage device; 3. a solar power generation device; 4. a hot water boiler; 5. an electromagnetic energy water heating device; 6. a solar water heating device; 7. a heat preservation water tank; 8. a phase change energy storage device; 9. a steam generator; 10. a steam boiler; 11. and a second power storage device.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, the present embodiment provides a hot water supply system of a combined reforming energy-saving and clean energy type, comprising,
the heat preservation water tank 7 is used for storing hot water;
the solar water heating device 6 is used for circularly heating hot water in the heat-preservation water tank 7 by utilizing solar energy;
the electric water heating device 5 is used for circularly heating hot water in the heat preservation water tank 7 by using electric energy of a power grid in a power consumption valley period;
the phase change energy storage device 8 is used for collecting and storing the heat energy of the hot water in the heat preservation water tank 7 and reversely heating the hot water in the heat preservation water tank 7 by utilizing the stored heat energy;
a wind power generation apparatus 1 for converting wind power into electric power;
a solar power generation device 3 for converting solar energy into electric energy;
and the electric storage device is used for storing electric energy of a power grid in a power utilization valley period, electric energy generated by the wind power generation device 1 and electric energy generated by the solar power generation device 3, and providing electric energy for the electric water heating device 5 when the electric water heating device is at night and/or solar energy is insufficient and/or the solar water heating device 6 cannot work normally.
Specifically, the water inlet of the thermal insulation water tank 7 is communicated with the water outlet of the solar water heating device 6 through a pipeline, the water outlet of the thermal insulation water tank 7 is communicated with the water inlet of the solar water heating device 6 through a pipeline, meanwhile, the water inlet of the thermal insulation water tank 7 is provided with a water replenishing pipe, one end of the water replenishing pipe is communicated with the water inlet of the thermal insulation water tank 7, and the other end of the water replenishing pipe is communicated with a tap water supply pipe through a valve.
Specifically, a water inlet of the heat preservation water tank 7 is communicated with a water outlet of the electric water heating device 5 through a pipeline, and a water outlet of the heat preservation water tank 7 is communicated with a water inlet of the electric water heating device 5 through a pipeline; energy storage ball can be optimized specifically to phase change energy memory 8, sets up energy storage ball into a plurality ofly, a plurality of energy storage balls set up in holding water box 7 is interior.
The electric water heating device 5 may be an electromagnetic water heating device, an electromagnetic coil of the electromagnetic water heating device is fixedly arranged in the heat preservation water tank 7, and the electromagnetic energy is used for directly heating the liquid water in the heat preservation water tank 7.
The electromagnetic coil of the electromagnetic water heating device is fixedly arranged in the heat preservation water tank 7, so that liquid water in the heat preservation water tank 7 can be heated, the function of electrolyzing water is achieved, and incrustation scale in the heat preservation water tank 7 is prevented.
Specifically, the hot water boiler 4 is further included, and the hot water boiler 4 is used for circularly heating the hot water in the heat preservation water tank 7.
The hot water boiler 4 is a gas fuel hot water boiler and/or a solid fuel hot water boiler and/or a liquid fuel hot water boiler and/or a new energy fuel hot water boiler.
The gas fuel hot water boiler is specifically a natural gas hot water boiler and/or a liquefied petroleum gas hot water boiler and/or a methane hot water boiler; the solid fuel hot water boiler is specifically a coal hot water boiler and/or a biomass particle hot water boiler and/or a wood hot water boiler; the liquid fuel hot water boiler is specifically a methanol hot water boiler and/or a diesel hot water boiler and/or a heavy oil hot water boiler.
The hot water boiler 4 can be the existing hot water equipment of a user, the invention can be applied to some old hot water boilers 4 and can improve energy conservation and emission reduction, the implementation scheme of comprehensive energy conservation is provided for enterprises or users who already own the hot water boiler 4 by the mode, and the waste caused by scrapping of the existing hot water boiler 4 can not be caused.
Therefore, the technical scheme of the invention can also be used for carrying out energy-saving transformation on the existing hot water boiler 4 so as to improve the economic benefit and realize the beneficial effects of comprehensive energy conservation and emission reduction.
The electric water heating device 5 is specifically an electromagnetic energy water heating device. The electric power storage device comprises a first electric power storage device 2 and a second electric power storage device 11, wherein the first electric power storage device 2 is specifically used for storing electric energy generated by the wind power generation device 1 and electric energy generated by the solar power generation device 3 and providing electric energy for the electric water heating device 5 at night and/or when solar energy is insufficient and/or the solar water heating device 6 cannot work normally; the second electric storage device 11 is specifically used for storing electric energy of a power grid in an electricity consumption valley period, and providing electric energy for the electric water heating device 5 at night and/or when solar energy is insufficient and/or the solar water heating device 6 cannot work normally.
The electric energy generated by the wind power generation device 1 and the electric energy generated by the solar power generation device 3 can be prevented from conflicting with the electric energy generated by the wind power generation device 1 and the electric energy generated by the solar power generation device 3 by adopting the first electric storage device 2 and the second electric storage device 11 to store the electric energy of the power grid in the power consumption valley period respectively, namely, the electric energy can be improved by separately storing, and meanwhile, after the electric storage device is fully stored with the electric energy due to the electric energy of the power grid in the power consumption valley period when the same electric storage device is used for storing, the electric energy generated by the wind power generation device 1 and the electric energy generated by the solar power generation device 3 are wasted.
Specifically, the electric energy stored in the second electric storage device 11 in the present embodiment is limited to the electric energy generated by the wind power generation device 1 and the electric energy generated by the solar power generation device 3; other sources of electrical energy are also possible, such as: the waste generated by the waste gas of the chemical industry enterprises and the electric energy generated by the tidal power generation are combusted and used for generating electricity and the residual electric energy of other sources.
The water outlet of the heat preservation water tank 7 is communicated with the water inlet of a steam generator 9 of a user or an enterprise and/or the water inlet of a steam boiler 10 through a pipeline, and hot water in the heat preservation water tank 7 can be used as a water source for steam production. The invention realizes the comprehensive energy-saving hot water scheme by utilizing the transformation of clean energy to the traditional hot water energy, and then supplies the hot water with the temperature of 90-100 ℃ to steam production enterprises or users, thereby reducing the energy use in the hot water stage for the steam production and further reducing the energy consumption.
Example 2
Based on the system for supplying hot water by comprehensively reforming energy-saving and clean energy provided by embodiment 1, the invention also provides a method for supplying hot water by comprehensively reforming energy-saving and clean energy, which comprises the following steps:
step one, arranging a heat preservation water tank 7, a solar water heating device 6, an electric water heating device 5, a wind power generation device 1, a solar power generation device 3 and an electric power storage device;
step two, utilizing hot water of a solar water heating device 6 to convey the hot water generated by the solar water heating device 6 to a heat preservation water tank 7 for storage, and utilizing the solar water heating device 6 to circularly heat the hot water in the heat preservation water tank 7;
thirdly, collecting and storing the heat energy of the hot water in the heat-preservation water tank 7 by using the phase-change energy storage device 8, and reversely heating the hot water in the heat-preservation water tank 7 by using the heat energy stored by the phase-change energy storage device 8 when the solar water heating device 6 cannot normally work at night and/or the solar energy is insufficient;
and fourthly, storing the electric energy generated by the wind power generation device 1 and the electric energy generated by the solar power generation device 3 to the electric storage device, and when the hot water in the heat preservation water tank 7 cannot be heated at night and/or due to insufficient solar energy and/or due to the fact that the solar water heating device 6 cannot work normally and/or due to the fact that the heat energy stored by the phase change energy storage device 8 cannot be used, utilizing the electric storage device to provide electric energy for the electric water heating device 5 and/or utilizing the electric energy in the electricity consumption valley period to provide electric energy for the electric water heating device 5, and utilizing the electric water heating device 5 to circularly heat the hot water in the heat preservation water tank 7.
The fourth step is to arrange the electric storage device to be a combination of a first electric storage device 2 and a second electric storage device 11;
storing the electric energy generated by the wind power generation device 1 and the electric energy generated by the solar power generation device 3 to the first electric power storage device 2, and enabling the first electric power storage device 2 to provide electric energy for the electric water heating device 5 at night and/or when the solar energy is insufficient and/or the solar water heating device 6 cannot work normally;
and storing the electric energy of the power grid in the electricity consumption valley period to the second electric storage device 11, and enabling the second electric storage device 11 to provide electric energy for the electric water heating device 5 and/or using the electric energy of the power grid in the electricity consumption valley period to provide electric energy for the electric water heating device 5 when the solar energy is insufficient and/or the solar water heating device 6 cannot normally work.
The method comprises the following steps that firstly, a heat preservation water tank 7, a solar water heating device 6, an electric water heating device 5, a wind power generation device 1, a solar power generation device 3, an electric power storage device and a hot water boiler 4 are arranged;
the fourth step is specifically that the electric energy generated by the wind power generation device 1 and the electric energy generated by the solar power generation device 3 are stored in the electric storage device, and when the hot water in the heat preservation water tank 7 cannot be heated at night and/or due to insufficient solar energy and/or due to the fact that the solar water heating device 6 cannot normally work and/or due to the fact that the heat energy stored by the phase change energy storage device 8 cannot heat the hot water, the electric storage device is used for providing the electric energy for the electric water heating device 5 and/or the electric energy in the electricity consumption valley period is used for providing the electric energy for the electric water heating device 5, the electric water heating device 5 is used for circularly heating the hot water in the heat preservation water tank 7, and/or the hot water boiler 4 is used for circularly heating the hot water in the heat preservation water tank 7.
And concretely, the method further comprises a fifth step, wherein the hot water in the heat preservation water tank 7 is used for supplying heat to users and/or is used as a water source for producing steam for enterprises and/or users.
The solar energy hot water is utilized, heat is released through the phase change energy storage device 8 at night or when the solar energy is insufficient or even the solar power generation device 3 cannot work, the hot water in the heat preservation water tank 7 is reversely heated, the electric energy of a power grid in a power consumption valley period, the electric energy generated by the wind power generation device 1 and the electric energy generated by the solar power generation device 3 are utilized to supply power to the electric water heating device 5, and the hot water in the heat preservation water tank 7 is circularly heated; according to the invention, green energy solar energy is used for heating water, and meanwhile, the electric energy of a power grid, wind energy and solar energy in the power consumption valley period are stored for heating water, so that the comprehensive energy-saving effect of energy conservation and emission reduction is realized; meanwhile, by arranging the phase change energy storage device 8, heat energy can be stored when solar energy is sufficiently charged in the daytime, heat energy is released through the phase change energy storage device 8 at night, hot water in the heat preservation water tank 7 is reversely heated, and the full utilization of energy is realized. The invention realizes the comprehensive energy-saving hot water scheme by utilizing the transformation of clean energy to the traditional hot water energy, and then supplies the hot water with the temperature of 90-100 ℃ to steam production enterprises or users, thereby reducing the energy use in the hot water stage for the steam production and further reducing the energy consumption.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides an energy-conserving and clean energy type hot water supply system of comprehensive transformation which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the heat preservation water tank (7) is used for storing hot water;
the solar water heating device (6) is used for circularly heating hot water in the heat-preservation water tank (7) by utilizing solar energy;
the electric water heating device (5) is used for circularly heating hot water in the heat preservation water tank (7) by using electric energy of a power grid in a power consumption valley period;
the phase change energy storage device (8) is used for collecting and storing the heat energy of the hot water in the heat preservation water tank (7) and reversely heating the hot water in the heat preservation water tank (7) by utilizing the stored heat energy;
a wind energy generating device (1) for converting wind energy into electrical energy;
a solar power generation device (3) for converting solar energy into electrical energy;
the electric power storage device is used for storing electric energy of a power grid in a power utilization valley period, electric energy generated by the wind power generation device (1) and electric energy generated by the solar power generation device (3) and providing electric energy for the electric water heating device (5) when the electric water heating device is in a night state and/or solar energy is insufficient and/or the solar water heating device (6) cannot work normally.
2. The integrated retrofit energy saving and clean energy type hot water supply system according to claim 1, characterized in that: still include hot water boiler (4), hot water boiler (4) are used for the circulation heating hot water in holding water box (7).
3. The integrated retrofit energy saving and clean energy type hot water supply system according to claim 2, characterized in that: the hot water boiler (4) is a gas fuel hot water boiler and/or a solid fuel hot water boiler and/or a liquid fuel hot water boiler and/or a new energy fuel hot water boiler.
4. The integrated retrofit energy saving and clean energy type hot water supply system according to claim 3, characterized in that: the gas fuel hot water boiler is specifically a natural gas hot water boiler and/or a liquefied petroleum gas hot water boiler and/or a methane hot water boiler; the solid fuel hot water boiler is specifically a coal hot water boiler and/or a biomass particle hot water boiler and/or a wood hot water boiler; the liquid fuel hot water boiler is specifically a methanol hot water boiler and/or a diesel hot water boiler and/or a heavy oil hot water boiler.
5. The integrated retrofit energy saving and clean energy type hot water supply system according to claim 1, characterized in that: the electric water heating device (5) is specifically an electromagnetic energy water heating device.
6. The integrated retrofit energy saving and clean energy type hot water supply system according to claim 1, characterized in that: the electric power storage device comprises a first electric power storage device (2) and a second electric power storage device (11), wherein the first electric power storage device (2) is specifically used for storing electric energy generated by the wind power generation device (1) and electric energy generated by the solar power generation device (3) and providing electric energy for the electric water heating device (5) at night and/or when solar energy is insufficient and/or the solar water heating device (6) cannot work normally; the second electric storage device (11) is specifically used for storing electric energy of a power grid in a power utilization valley period and providing electric energy for the electric water heating device (5) at night and/or when solar energy is insufficient and/or the solar water heating device (6) cannot work normally.
7. A comprehensive transformation energy-saving and clean energy type hot water supply method is characterized in that: the method comprises the following steps:
step one, arranging a heat preservation water tank (7), a solar water heating device (6), an electric water heating device (5), a wind power generation device (1), a solar power generation device (3) and an electric power storage device;
step two, utilizing a solar water heating device (6) to heat water, conveying the hot water generated by the solar water heating device (6) to the heat-preservation water tank (7) for storage, and utilizing the solar water heating device (6) to circularly heat the hot water in the heat-preservation water tank (7);
thirdly, collecting and storing the heat energy of the hot water in the heat-preservation water tank (7) by using the phase-change energy storage device (8), and reversely heating the hot water in the heat-preservation water tank (7) by using the heat energy stored in the phase-change energy storage device (8) when the solar water heating device (6) cannot normally work at night and/or the solar energy is insufficient;
and fourthly, storing the electric energy generated by the wind power generation device (1) and the electric energy generated by the solar power generation device (3) into the electric storage device, and when the hot water in the heat preservation water tank (7) cannot be heated at night and/or due to insufficient solar energy and/or due to the fact that the solar water heating device (6) cannot work normally and/or due to the fact that the heat energy stored by the phase change energy storage device (8) cannot be heated, utilizing the electric storage device to provide electric energy for the electric water heating device (5) and/or utilizing the electric energy in the electricity consumption valley period to provide electric energy for the electric water heating device (5), and utilizing the electric water heating device (5) to circularly heat the hot water in the heat preservation water tank (7).
8. The integrated reforming energy-saving and clean energy type hot water supply method according to claim 7, characterized in that: the fourth step is to arrange the electric storage device to be a combination of a first electric storage device (2) and a second electric storage device (11);
storing the electric energy generated by the wind energy generating device (1) and the electric energy generated by the solar energy generating device (3) to the first electric power storage device (2), and enabling the first electric power storage device (2) to provide electric energy for the electric water heating device (5) when the electric water heating device (6) cannot work normally at night and/or the solar energy is insufficient;
and the electric energy of the power grid in the electricity consumption valley period is stored in the second electric storage device (11), and the second electric storage device (11) is used for providing electric energy for the electric water heating device (5) and/or the electric energy of the power grid in the electricity consumption valley period is used for providing electric energy for the electric water heating device (5) when the electric water heating device (6) cannot normally work at night and/or solar energy is insufficient.
9. The integrated reforming energy-saving and clean energy type hot water supply method according to claim 7, characterized in that: the first step is specifically that a heat preservation water tank (7), a solar water heating device (6), an electric water heating device (5), a wind power generation device (1), a solar power generation device (3), an electric power storage device and a hot water boiler (4) are arranged;
the fourth step is specifically that the electric energy generated by the wind power generation device (1) and the electric energy generated by the solar power generation device (3) are stored in the electric storage device, and when hot water in the heat preservation water tank (7) cannot be heated at night and/or due to insufficient solar energy and/or due to the fact that the solar water heating device (6) cannot normally work and/or due to the fact that the heat energy stored by the phase change energy storage device (8) cannot be heated, the electric storage device is used for providing electric energy for the electric water heating device (5) and/or the electric energy in the electricity consumption valley period is used for providing electric energy for the electric water heating device (5), the electric water heating device (5) is used for circularly heating the hot water in the heat preservation water tank (7), and/or the hot water in the heat preservation water tank (7) is circularly heated by the hot water boiler (4); the phase energy storage device (8) is used for storing heat energy when solar energy is sufficiently charged in the daytime, releasing the heat energy through the phase change energy storage device (8) at night, reversely heating hot water in the heat preservation water tank, and/or storing the heat energy through the hot water mode of the electric water heating device (5) by using off-peak power grid electric energy at night, and reversely heating the hot water in the heat preservation water tank through the phase change energy storage device (8) when the day or the cloudy day or the winter.
10. The integrated reforming energy-saving and clean energy type hot water supply method according to claim 7, characterized in that: the method further comprises a fifth step, wherein the hot water with the temperature of 90-100 ℃ in the heat-preservation water tank (7) is used for supplying heat for users and/or used as a water source required by enterprises and/or users for producing steam.
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