CN111237843B - Energy island heating system based on wind energy - Google Patents
Energy island heating system based on wind energy Download PDFInfo
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- CN111237843B CN111237843B CN202010160915.4A CN202010160915A CN111237843B CN 111237843 B CN111237843 B CN 111237843B CN 202010160915 A CN202010160915 A CN 202010160915A CN 111237843 B CN111237843 B CN 111237843B
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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
- F24D11/02—Central heating systems using heat accumulated in storage masses using heat pumps
- F24D11/0214—Central heating systems using heat accumulated in storage masses using heat pumps water heating system
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
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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
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/28—Wind motors characterised by the driven apparatus the apparatus being a pump or a compressor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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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
- F24D2200/15—Wind 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
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Power Engineering (AREA)
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- Hydrology & Water Resources (AREA)
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- Water Supply & Treatment (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The embodiment of the disclosure provides an energy island heating system based on wind energy, and belongs to the technical field of heating. The system comprises: the energy island comprises a box dam and a water body energy conversion area near a water bank, and the box dam encloses the water body energy conversion area; the water storage pool is arranged in the central area of the energy island, a water body gap exists between the dam and the water storage pool, the water storage pool comprises a bottom plate, a side wall and a top cover, the side wall is enclosed into a water storage channel between the bottom plate and the top cover, and a hot water port of the water storage pool is communicated with a heat supply port of a user end on the near water bank through a hot water supply pipe; the wind-heat unit comprises a fan, a compressor, a condenser and an evaporator, wherein the fan is arranged on the dam, the fan is in transmission connection with the compressor, and the condenser is communicated with the water storage tank through a water pipe. Therefore, the water storage pool is filled with hot water in a non-heating season through the fan heating and the sea water pump heat source, and hot water in the water storage pool is supplied to a user side in the heating season, so that wind energy conversion heat supply and water body heat storage are effectively provided, and the energy conversion efficiency and the regional function ratio are improved.
Description
Technical Field
The utility model relates to a heat supply technical field especially relates to an energy island heating system based on wind energy.
Background
Wind energy is an inexhaustible renewable energy source, and at present, fossil fuels are reduced year by year, and international energy situation is severe day by day, the development and utilization of wind energy is one of important ways for realizing diversification of energy supply and ensuring energy safety. Wind energy heat supply is one of effective ways for reducing heat supply coal consumption of buildings in northern China. Wind energy has instability, and the wind energy needs are effectively utilized and combined with an energy storage device. Relevant research shows that the centralized heating system can efficiently meet the heating demand of cities and towns. Therefore, a heat storage system with large heat storage energy is needed to realize long-period heat storage, namely cross-season heat storage. The existing cross-season heat storage system can be divided into: water heat storage, soil heat storage, rock mass heat storage, aquifer heat storage and the like. The water body heat storage is one of the cross-season heat storage forms with development prospect in the future because water has the advantages of large specific heat capacity and density, large heat storage capacity per unit volume, convenient control of heat exchange intensity and the like.
At present, China has no case of storing heat in water with capacity of more than ten thousand cubic meters. In the case of large-scale water body heat storage abroad, a floating roof heat preservation structure is adopted at the top of the water body heat storage, the water body heat storage facility of the structure occupies a large area, and the heat storage and release efficiency of the water body is not high.
Therefore, the existing water body heat storage scheme has the technical problems of unstable capacity source and low storage and discharge heat efficiency.
Disclosure of Invention
In view of the above, embodiments of the present disclosure provide a wind energy-based energy island heating system, which at least partially solves the problems in the prior art.
The disclosed embodiment provides an energy island heating system based on wind energy, including:
the energy island comprises a dam and a water body transduction area near a water bank, wherein the dam encloses the water body transduction area;
the water storage tank is arranged in the central area of the energy island, a water body gap exists between the dam and the water storage tank, the water storage tank comprises a bottom plate, a side wall and a top cover, the side wall encloses a water storage channel between the bottom plate and the top cover, and a hot water port of the water storage tank is communicated with a heat supply port of a user end on a near water bank through a hot water supply pipe;
the wind-heat unit comprises a fan, a compressor, a condenser and an evaporator, the fan is arranged on the dam, the fan is in transmission connection with the compressor, the compressor is communicated with the condenser through a refrigerant pipeline, the condenser is communicated with the evaporator through a refrigerant pipeline, the evaporator is communicated with the compressor through a refrigerant pipeline, the evaporator is communicated with the water body in the water body energy conversion area through a water pipe, and the condenser is communicated with the water storage tank through a water pipe;
the fan is driven by wind energy on the near-water bank to drive the compressor to compress low-temperature and low-pressure refrigerant into high-temperature and high-pressure refrigerant steam, the condenser absorbs heat from the high-temperature and high-pressure refrigerant steam input by the compressor and condenses the high-temperature and high-pressure refrigerant steam into refrigerant liquid, the evaporator inputs the refrigerant liquid into the condenser by using heat in water in the water body transduction area to heat the refrigerant liquid into low-temperature and low-pressure refrigerant steam, the low-temperature and low-pressure refrigerant steam is input into the compressor, the condenser heats cold water into hot water by using the absorbed heat of the high-temperature and high-pressure refrigerant and inputs the hot water into the water storage pool, and the hot water in the water storage pool is input into a heat supply port of the user end;
the condenser is communicated with a cold water port of the water storage tank and/or a water return port of the user side through a water pipe;
the water storage tank is a spiral water storage channel, the spiral water storage channel comprises a first hot water inlet and a first hot water outlet, and the first hot water inlet and the first hot water outlet are both arranged on a marginal water channel of the spiral water storage channel;
a hot water port of the condenser is communicated with a first hot water inlet of the water storage tank through a water pipe, and a first hot water outlet of the water storage tank is communicated with a hot water port of the user side; the spiral water storage channel also comprises a second hot water inlet and a cold water outlet, the second hot water inlet and the cold water outlet are both arranged in a central water channel of the spiral water storage channel, and a heat insulation baffle is arranged between the edge water channel and the central water channel;
in a non-heating season, the condenser inputs hot water into the spiral water storage channel through the first hot water inlet to store heat;
in a heating season, the spiral water storage channel inputs hot water to the hot water port of the user side through the first hot water outlet.
According to a specific implementation manner of the embodiment of the disclosure, a hot water port of the condenser is communicated with a second hot water inlet of the water storage tank through a water pipe, and a cold water outlet of the water storage tank and a water return port of the user side are both communicated with a cold water port of the condenser;
in a non-heat supply season, the spiral water storage channel inputs the stored cold water into the condenser through the cold water outlet for heating, and the condenser inputs the heated hot water into the spiral water storage channel through the first hot water inlet for heat storage;
in a heating season, the spiral water storage channel inputs hot water into the hot water port of the user side through the first hot water outlet, the condenser receives cold water output by the water return port of the user side and heats the cold water, heated hot water is input into the spiral water storage tank through the second hot water inlet, and the hot water input into the edge water channel through the first hot water inlet and the hot water input into the central water channel through the second hot water inlet are separated through a temperature separation baffle.
According to a specific implementation manner of the embodiment of the present disclosure, the system further includes: the electromagnetic valve comprises a three-way valve, a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve, a fourth electromagnetic valve, a fifth electromagnetic valve and a sixth electromagnetic valve; wherein,
the central water channel of the spiral water storage channel is communicated with a first end of the three-way valve, a second end of the three-way valve is communicated with a water inlet of the sixth electromagnetic valve, a water outlet of the sixth electromagnetic valve is communicated with a water inlet of the third electromagnetic valve, and a water outlet of the third electromagnetic valve is communicated with a water inlet of the condenser;
the water outlet of the condenser is respectively communicated with the water inlet of the first electromagnetic valve and the water inlet of the second electromagnetic valve, the water outlet of the first electromagnetic valve is communicated with the first hot water inlet of the spiral water storage channel, and the water outlet of the second electromagnetic valve is communicated with the third end of the three-way valve;
and a first hot water outlet of the spiral water storage channel is communicated with a hot water port of the user end through the fifth electromagnetic valve, and a cold water port of the user end is communicated with a water inlet of the third electromagnetic valve through the fourth electromagnetic valve.
According to a concrete implementation mode of this open embodiment, separate the temperature baffle including well board and heat preservation welt, well board be with the structure of heliciform water storage channel's inside wall laminating, the laminating of heat preservation welt is in well board orientation the side that the heliciform tank inside wall pasted.
According to a concrete implementation mode of the embodiment of the disclosure, the thermal insulation baffle further comprises elastic buffer parts for buffering sliding extrusion, and the elastic buffer parts are uniformly and fixedly arranged on the edge of the central plate.
According to a specific implementation of the embodiment of the present disclosure, the elastic buffer is a spring; and/or the presence of a gas in the gas,
the central plate is a hard wood plate; and/or the presence of a gas in the gas,
the heat-preservation welt is made of polyurethane foam, polystyrene board or phenolic foam.
According to a specific implementation manner of the embodiment of the disclosure, all the side walls of the spiral water storage channel are the same in height, and the top cover is attached to the top ends of all the side walls of the spiral water channel.
According to a concrete implementation of this disclosed embodiment, the top cap of tank includes waterproof layer, heat preservation and cover soil layer in proper order, the waterproof layer laminating of top cap the top of the whole lateral walls of heliciform water course.
The energy island heating system based on wind energy in the embodiment of the disclosure mainly comprises: the energy island comprises a dam and a water body transduction area near a water bank, wherein the dam encloses the water body transduction area; the water storage tank is arranged in the central area of the energy island, a water body gap exists between the dam and the water storage tank, the water storage tank comprises a bottom plate, a side wall and a top cover, the side wall encloses a water storage channel between the bottom plate and the top cover, and a hot water port of the water storage tank is communicated with a heat supply port of a user end on a near water bank through a hot water supply pipe; wind-heat unit, wind-heat unit includes fan, compressor, condenser and evaporimeter, the fan set up in on the dam, the fan with the compressor transmission is connected, the compressor with the condenser passes through refrigerant pipeline intercommunication, the condenser with the evaporimeter passes through refrigerant pipeline intercommunication, the evaporimeter with the compressor passes through refrigerant pipeline intercommunication, the evaporimeter lead to pipe with the water intercommunication in water transduction region, the condenser lead to pipe with the tank intercommunication. When the scheme is implemented, the fan is driven by wind energy on the near water bank to drive the compressor to compress low-temperature and low-pressure refrigerant into high-temperature and high-pressure refrigerant steam, the condenser absorbs heat from the high-temperature and high-pressure refrigerant steam input by the compressor and condenses the high-temperature and high-pressure refrigerant steam into refrigerant liquid, the evaporator inputs the refrigerant liquid into the condenser by using heat in water in the water body transduction area to heat the refrigerant liquid into low-temperature and low-pressure refrigerant steam, the low-temperature and low-pressure refrigerant steam is input into the compressor, the condenser heats cold water into hot water by using the absorbed heat of the high-temperature and high-pressure refrigerant and inputs the hot water into the water storage pool, and the hot water in the water storage pool is input into a heat supply port of a user side. Therefore, the water storage pool can be fully filled with hot water by using the fan for heating and the sea water pump heat source in non-heating seasons, and hot water in the water storage pool is supplied to a user side in heating seasons, so that wind energy conversion heat supply and water heat storage can be effectively provided, and the energy conversion efficiency and the regional function ratio are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings needed to be used in the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a wind energy-based energy island heating system according to an embodiment of the present disclosure;
fig. 2 to 5 are schematic structural views of a water storage tank in the system provided by the embodiment of the disclosure;
FIG. 6 is a schematic diagram of a thermal baffle in a system according to an embodiment of the present disclosure;
fig. 7 is a schematic structural diagram of a top cover of a water storage tank in the system according to the embodiment of the present disclosure.
Summary of reference numerals:
an energy island heating system 100;
the water storage tank 120, the bottom plate 121, the side wall 122, the top cover 123, the waterproof layer 1231, the heat insulation layer 1232, the soil covering layer 1233, the edge water channel 124, the central water channel 125, the heat insulation baffle 126, the central plate 1261, the heat insulation welt 1262 and the elastic buffer 1263;
a wind heat unit 130, a fan 131, a compressor 132, a condenser 133 and an evaporator 134;
a user end 140;
a first solenoid valve 151, a second solenoid valve 152, a third solenoid valve 153, a fourth solenoid valve 154, a fifth solenoid valve 155, a sixth solenoid valve 156, a seventh solenoid valve 157, an eighth solenoid valve 158, a three-way valve 159, and a throttle valve 150.
Detailed Description
The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.
The embodiments of the present disclosure are described below with specific examples, and other advantages and effects of the present disclosure will be readily apparent to those skilled in the art from the disclosure in the specification. It is to be understood that the described embodiments are merely illustrative of some, and not restrictive, of the embodiments of the disclosure. The disclosure may be embodied or carried out in various other specific embodiments, and various modifications and changes may be made in the details within the description without departing from the spirit of the disclosure. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
It is noted that various aspects of the embodiments are described below within the scope of the appended claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the disclosure, one skilled in the art should appreciate that one aspect described herein may be implemented independently of any other aspects and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. Additionally, such an apparatus may be implemented and/or such a method may be practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present disclosure, and the drawings only show the components related to the present disclosure rather than the number, shape and size of the components in actual implementation, and the type, amount and ratio of the components in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated.
In addition, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects may be practiced without these specific details.
Referring to fig. 1, a schematic structural diagram of an energy island heating system 100 (hereinafter referred to as a heating system) based on wind energy according to an embodiment of the present disclosure is provided. As shown in fig. 1, the heating system 100 mainly includes:
an energy island 110, wherein the energy island 110 comprises a dam 111 and a water body transduction area 112 located near the water bank, and the dam 111 encloses the water body transduction area 112;
the water storage 120 is arranged in the central area of the energy island 110, a water gap exists between the dam 111 and the water storage 120, the water storage 120 comprises a bottom plate 121, a side wall 122 and a top cover 123, the side wall 122 encloses a water storage channel between the bottom plate 121 and the top cover 123, and a hot water port of the water storage 120 is communicated with a heat supply port of a user terminal 140 on a near water bank through a hot water supply pipe;
the air heating unit 130 comprises a fan 131, a compressor 132, a condenser 133 and an evaporator 134, wherein the fan 131 is arranged on the dam 111, the fan 131 is in transmission connection with the compressor 132, the compressor 132 is communicated with the condenser 133 through a refrigerant pipeline, the condenser 133 is communicated with the evaporator 134 through a refrigerant pipeline, the evaporator 134 is communicated with the compressor 132 through a refrigerant pipeline, the evaporator 134 is communicated with the water body of the water body energy conversion area 112 through a water pipe, and the condenser 133 is communicated with the water storage tank 120 through a water pipe;
the fan 131 is driven by wind energy on the near water bank to drive the compressor 132 to compress low-temperature and low-pressure refrigerant into high-temperature and high-pressure refrigerant vapor, the condenser 133 absorbs heat from the high-temperature and high-pressure refrigerant vapor input by the compressor 132 and condenses the high-temperature and high-pressure refrigerant vapor into refrigerant liquid, the evaporator 134 heats the refrigerant liquid input by the condenser 133 into the low-temperature and low-pressure refrigerant vapor by using heat in the water body of the water body transduction area 112, the low-temperature and low-pressure refrigerant vapor is input into the compressor 132, the condenser 133 heats cold water into hot water by using the absorbed heat of the high-temperature and high-pressure refrigerant and inputs the hot water into the water storage tank 120, and the hot water in the water storage tank 120 is input into a heat supply port of the user terminal 140.
The heat supply system 100 of the energy island 110 based on wind energy provided by the embodiment utilizes wind energy to generate heat and stores heat in a water body to realize heat supply, and mainly supplies heat to a building area near a water bank. Specifically, the provided heating system 100 includes an energy island 110, a water storage tank 120 and a wind-heat unit 130, wherein the energy island 110 is a main bearing part, the wind-heat unit 130 is disposed on the energy island 110 and is used for collecting wind energy and converting the wind energy into heat, the water storage tank 120 is used for storing the heat converted by the wind-heat unit 130, and the water storage tank 120 is communicated with a heating port of the user end 140 to provide hot water for the user end 140 and realize heating.
The energy island 110 is a self-filling artificial island, and the energy island 110 is arranged in a near-water bank area, so that the urban land occupation can be reduced, the water body and a large amount of wind energy around the near-water bank can be directly utilized, and heat can be directly supplied to the near-water bank building area far away from the urban heat supply. Specifically, the energy island 110 includes an enclosure 111, an area enclosed by the enclosure 111 is a water body transduction area 112 of the energy island 110, and the water storage tank 120 is disposed at the center of the energy island 110, which is distant from the shore by a certain water body gap.
The water storage 120 is used for storing water, especially hot water, and is required to store heat in the hot water, so as to supply the user end 140 with the hot water. Specifically, as shown in fig. 2, the water storage tank 120 is a closed water storage channel surrounded by the bottom plate 121, the side wall 122 and the top cover 123, and a hot water port of the water storage channel is communicated with a heat supply port of the user terminal 140.
The wind heat unit 130 is a main functional component of the heating system 100, and the wind heat unit 130 is disposed on the dam 111 of the energy island 110. The wind heat set 130 comprises a fan 131, a compressor 132, a condenser 133 and an evaporator 134, and the collection of wind energy and the circulation of a refrigerant are realized in a matching manner.
The operation of the heating system 100 provided by the present embodiment mainly includes a refrigerant cycle and a hot water cycle.
The refrigerant circulation process is as follows: the fan 131 collects wind energy near the water bank, the fan 131 drives the compressor 132 to compress a low-temperature low-pressure refrigerant into high-temperature high-pressure refrigerant vapor under the drive of the wind energy, the condenser 133 absorbs heat from the high-temperature high-pressure refrigerant vapor input by the compressor 132 and condenses the heat into refrigerant liquid, the evaporator 134 heats the refrigerant liquid input by the condenser 133 into low-temperature low-pressure refrigerant vapor by using heat in the water body of the water body transduction area 112, and the low-temperature low-pressure refrigerant vapor is input into the compressor 132.
The hot water circulation process is that the condenser 133 heats cold water into hot water by using the heat of the absorbed high-temperature and high-pressure refrigerant, and then inputs the hot water into the storage tank 120, and the hot water in the storage tank 120 is input into the heat supply port of the user terminal 140. It should be noted that the cold water absorbed by the condenser 133 for heating may be seawater in the water body transduction area 112, cold water pre-stored in the water storage 120, or return water delivered from the user terminal 140, but is not limited thereto.
The energy island heating system based on wind energy provided by the embodiment of the disclosure is applied to a near-water bank area, the fan is driven by wind energy on the near-water bank to drive the compressor to compress low-temperature and low-pressure refrigerant into high-temperature and high-pressure refrigerant steam, the condenser absorbs heat of the high-temperature and high-pressure refrigerant steam input by the compressor and condenses the high-temperature and high-pressure refrigerant steam into refrigerant liquid, the evaporator inputs the refrigerant liquid into the condenser by using heat in water in the water body transduction area to heat the refrigerant liquid into low-temperature and low-pressure refrigerant steam, the low-temperature and low-pressure refrigerant steam is input into the compressor, the condenser heats cold water into hot water by using the absorbed heat of the high-temperature and high-pressure refrigerant and inputs the hot water into the heating port of the user end. Therefore, the water storage pool can be fully filled with hot water by using the fan for heating and the sea water pump heat source in non-heating seasons, and hot water in the water storage pool is supplied to a user side in heating seasons, so that wind energy conversion heat supply and water heat storage can be effectively provided, and the energy conversion efficiency and the regional function ratio are improved.
On the basis of the above embodiment, according to a specific implementation manner of the embodiment of the present disclosure, as shown in fig. 1, the condenser 133 is communicated with the cold water port of the water storage tank 120 and/or the water return port of the user terminal 140 through a water pipe.
In this embodiment, a cold water supply scheme is added. Specifically, the water inlet of the condenser 133 may be communicated with a cold water port of the water storage tank 120 to receive cold water pre-stored in the water storage tank 120. Or, the water inlet of the condenser 133 may also be communicated with the water return port of the user end 140 to receive the cold water obtained by cooling after inputting to the user end 140 for heat supply, so that a closed-loop water body energy storage and heat supply scheme for absorbing heat, storing heat, releasing heat and heating water return for the same water body can be implemented without other water sources, and water body supply is reduced.
In specific implementation, as shown in fig. 2 to 5, the water storage tank 120 may be a spiral water storage channel, the spiral water storage channel includes a first hot water inlet and a first hot water outlet, and the first hot water inlet and the first hot water outlet are both disposed on the edge water channel 124 of the spiral water storage channel;
a hot water port of the condenser 133 is communicated with a first hot water inlet of the water storage tank 120 through a water pipe, and a first hot water outlet of the water storage tank 120 is communicated with a hot water port of the user terminal 140;
in the non-heating season, the condenser 133 inputs hot water into the spiral water storage channel through the first hot water inlet to store heat;
in the heating season, the spiral water storage channel inputs hot water to the hot water port of the user terminal 140 through the first hot water outlet.
In the present embodiment, the structure and flow of the reservoir 120 are further limited. Specifically, the reservoir 120 is defined as a spiral reservoir, such that the water may gradually flow inward from the edge channel of the reservoir 120 to the central channel, and the water in the central channel may gradually flow outward to the edge channel 124.
A first hot water inlet and a first hot water outlet are provided on the rim waterway 124 of the spiral water storage passage, the first hot water inlet is communicated with the hot water port of the condenser 133, and the first hot water outlet is communicated with the hot water port of the user terminal 140.
The heating system 100 is provided to collect heat by the wind energy compressing condenser 133 during the non-heating season, to heat cold water by the condenser 133 to obtain hot water, to input the hot water into the spiral water storage passage through the first hot water inlet of the water storage tank 120, and to continuously flow in from the rim water channel 124 of the spiral water storage passage, gradually flow inward until reaching the central water channel 125. In the heating season, the hot water in the water storage 120 is input to the user end 140 from the first hot water outlet, the hot water continuously flows out from the edge water channel 124 of the spiral water storage channel, and the hot water in the central water channel 125 gradually flows outwards until the hot water reaches the edge water channel 124 to be used up, so that a heating cycle can be completed.
Furthermore, the spiral water storage channel further comprises a second hot water inlet and a cold water outlet, both the second hot water inlet and the cold water outlet are arranged in a central water channel 125 of the spiral water storage channel, and a thermal insulation baffle 126 is arranged between the edge water channel 124 and the central water channel 125;
a hot water port of the condenser 133 is communicated with a second hot water inlet of the water storage tank 120 through a water pipe, and a cold water outlet of the water storage tank 120 and a water return port of the user terminal 140 are both communicated with a cold water port of the condenser 133;
in a non-heating season, the spiral water storage channel inputs the stored cold water into the condenser 133 through the cold water outlet for heating, and the condenser 133 inputs the heated hot water into the spiral water storage channel through the first hot water inlet for heat storage;
in the heating season, the spiral water storage channel inputs hot water to the hot water port of the user end 140 through the first hot water outlet, the condenser 133 receives and heats cold water output from the water return port of the user end 140, heated hot water is input to the spiral water storage tank 120 through the second hot water inlet, and the hot water input to the edge water channel 124 through the first hot water inlet and the hot water input to the central water channel 125 through the second hot water inlet are separated by the thermal insulation baffle 126.
In this embodiment, the same spiral water storage channel is used to store and recover different water body parts. Specifically, the central water channel 125 of the spiral water storage channel is further provided with a second cold water inlet and a cold water outlet. The cold water outlet is connected to the cold water port of the condenser for inputting the cold water in the reservoir 120 into the condenser 133 for heating.
In addition, the water return port of the user end 140 is also connected to the cold water port of the condenser 133, and the water return of the user end 140 is input into the condenser 133 for heating and then input into the central water channel 125 through the second hot water inlet. Because the spiral water storage channel is provided with a thermal insulation baffle plate 126, the edge water channel 124 can be separated from the two hot water input by the central water channel 125.
In non-heating seasons, the wind heat unit 130 collects wind energy and converts the wind energy into heat energy, heats cold water absorbed in the condenser 133 into hot water, inputs the hot water into the spiral water storage channel through the first hot water inlet, and the hot water gradually flows inwards by pushing the thermal insulation baffle 126 from the edge water channel 124 until the thermal insulation baffle 126 reaches the central water channel 125, so that the whole spiral water storage channel is filled with the hot water.
In the heating season, the hot water in the spiral water storage channel is input to the hot water port of the user end 140 through the first hot water outlet, and the thermal insulation baffle 126 located in the central water channel 125 slides outwards gradually along with the output of the hot water. The cooled return water after the user terminal 140 uses the water is input into the condenser 133 again for heating, the obtained hot water is directly input into the central water channel 125 from the second hot water inlet of the water storage tank 120, the return water hot water pushes the pre-stored hot water on the other side of the temperature insulating baffle 126 to be input into the user terminal 140 in sequence, and the temperature insulating baffle 126 is pushed to the inlet of the edge water channel 124 by the return water hot water, namely, a heat supply cycle is completed.
In specific implementation, as shown in fig. 1, the system may further include: a three-way valve 159, a first solenoid valve 151, a second solenoid valve 152, a third solenoid valve 153, a fourth solenoid valve 154, a fifth solenoid valve 155, and a sixth solenoid valve 156; wherein,
the central water channel 125 of the spiral water storage channel is communicated with a first end of the three-way valve 159, a second end of the three-way valve 159 is communicated with a water inlet of the sixth electromagnetic valve 156, a water outlet of the sixth electromagnetic valve 156 is communicated with a water inlet of the third electromagnetic valve 153, and a water outlet of the third electromagnetic valve 153 is communicated with a water inlet of the condenser;
a water outlet of the condenser is respectively communicated with a water inlet of the first electromagnetic valve 151 and a water inlet of the second electromagnetic valve 152, a water outlet of the first electromagnetic valve 151 is communicated with a first hot water inlet of the spiral water storage channel, and a water outlet of the second electromagnetic valve 152 is communicated with a third end of the three-way valve 159;
the first hot water outlet of the spiral water storage channel is communicated with the hot water port of the user end 140 through the fifth electromagnetic valve 155, and the cold water port of the user end 140 is communicated with the water inlet of the third electromagnetic valve 153 through the fourth electromagnetic valve 154.
The heating system 100 according to the present embodiment is configured to realize automatic control of hot water circulation by combining the three-way valve 159, the solenoid valve, and the like. The evaporator 134 of the wind heat unit 130 is communicated with seawater, and a throttle valve 150, a seventh electromagnetic valve 157 and an eighth electromagnetic valve 158 can be additionally arranged for control.
Specifically, when the air heating unit 130 operates, the seventh electromagnetic valve 157 is opened to pump deep normal-temperature seawater into the evaporator 134, and the refrigerant liquid is heated to be refrigerant vapor of low temperature and low pressure. The used seawater is discharged to the surface of the seawater by the opened eighth solenoid valve 158. The low-temperature low-pressure refrigerant vapor enters the compressor 132, the compressor 132 works under the driving of the fan 131, the low-temperature low-pressure refrigerant vapor is compressed into high-temperature high-pressure refrigerant vapor, the high-temperature high-pressure refrigerant vapor exchanges heat in the condenser 133, heat is released and condensed into refrigerant liquid, and the refrigerant liquid enters the evaporator 134 again through the throttle valve 150 to form a heat supply cycle of the wind heating unit 130.
During the non-heating season, the three-way valve 159 at the bottom of the center of the reservoir 120 is opened, the sixth solenoid valve 156, the third solenoid valve 153, and the first solenoid valve 151 are opened, and the second solenoid valve 152, the fourth solenoid valve 154, and the fifth solenoid valve 155 are closed. The cold water in the water storage tank 120 flows out from the cold water outlet at the bottom of the center, enters the condenser 133 through the sixth electromagnetic valve 156 and the third electromagnetic valve 153 for heat exchange, the cold water is heated into hot water, the hot water flows out from the condenser 133 and enters the first hot water inlet at the bottom of the water storage tank 120 through the first electromagnetic valve 151 by a water pipe, the hot water pushes the heat insulation baffle 126 at the water inlet, and the heat insulation baffle 126 slides to the central water channel along the spiral water storage channel. When the thermal insulating barrier 126 slides to the central channel 125 of the reservoir 120, the spiral water storage channel is filled with hot water, and the reservoir 120 stores heat completely.
During the heating season, the three-way valve 159 at the bottom of the central waterway 125 of the reservoir 120 is opened, the third solenoid valve 153, the second solenoid valve 152, the fourth solenoid valve 154, and the fifth solenoid valve 155 are opened, and the sixth solenoid valve 156 and the first solenoid valve 151 are closed. The hot water in the water storage tank 120 flows out from the first hot water outlet at the bottom of the edge water channel 124, enters the user terminal 140 through the fifth electromagnetic valve 155, the cold water used by the user terminal 140 after being heated flows out from the water pipe, enters the condenser 133 through the fourth electromagnetic valve 154 and the third electromagnetic valve 153 for heat exchange, and the heated return water flows out from the condenser 133, enters the second hot water inlet at the bottom of the central water channel 125 of the water storage tank 120 through the second electromagnetic valve 152 and the three-way valve 159, and pushes the temperature-isolating baffle plate 126 of the central water channel 125. The thermal insulating barrier 126 slides along the spiral water storage channel to the outlet of the periphery of the reservoir 120. When the thermal insulation baffle 126 slides to the water outlet at the periphery of the water storage tank 120, the spiral water storage channel is filled with backwater, and the heat release of the water storage tank 120 is finished. The cold water outlet and the second hot water outlet at the bottom of the central channel of the spiral water storage channel cannot be used at the same time, and only one inlet and outlet can be arranged to serve as cold and hot water channels in different periods.
According to a specific implementation manner of the embodiment of the present disclosure, as shown in fig. 6, the thermal insulation baffle 126 includes a central plate 1261 and a thermal insulation welt 1262, the central plate 1261 is configured to fit to the inner side wall 122 of the spiral water storage channel, and the thermal insulation welt 1262 fits to a side edge of the central plate 1261 facing the inner side wall 122 of the spiral water storage tank 120.
In this embodiment, the structure defining the thermal insulation baffle 126 is such that the central plate 1261 is externally attached to the thermal insulation welt 1262, so that water bodies on two sides of the thermal insulation baffle 126 in the spiral water storage channel can be effectively isolated, and heat exchange and loss are reduced.
Optionally, as shown in fig. 6, the thermal insulating barrier 126 may further include a plurality of resilient bumpers 1263 for buffering sliding compression, and the resilient bumpers 1263 are uniformly fixed to the edge of the central plate 1261.
The thermal insulating baffle 126 slides back and forth in the spiral water storage channel, and the elastic buffer 1263 is additionally arranged, so that the extrusion between the thermal insulating baffle and the inner side wall 122 of the spiral water storage channel in the sliding process can be effectively reduced, and the sliding convenience is improved.
In a specific implementation, the elastic buffer 1263 is a spring; and/or the presence of a gas in the gas,
the central plate 1261 is a hard wood plate; and/or the presence of a gas in the gas,
the heat preservation welt 1262 is made of polyurethane foam, polystyrene board or phenolic foam.
In this embodiment, the thermal insulating plate 126 is made of a hollow central plate 1261, and is wrapped with thermal insulating rubber around its edge cavity, and is supported by four springs in the hollow interior of the rubber so as to be slidable. The central plate 1261 is made of a hard wood plate, so that the central plate has strong water pressure resistance; the heat-insulating material can be organic heat-insulating material, such as polyurethane foam, polyphenyl board, phenolic foam, etc., and has light weight and good heat-insulating effect.
According to another specific implementation manner of the embodiment of the present disclosure, all the sidewalls 122 of the spiral water storage channel have the same height, and the top cover 123 is attached to the top ends of all the sidewalls 122 of the spiral water channel.
As shown in fig. 3, all the sidewalls 122 of the spiral water storage channel have the same height and the top height is the same, so that the top of all the sidewalls 122 can provide support for the top cover 123.
Optionally, as shown in fig. 7, the top cover 123 of the water storage tank 120 sequentially includes a waterproof layer 1231, an insulating layer 1232, and a soil covering layer 1233, and the waterproof layer 1231 of the top cover 123 is attached to the top ends of all the side walls 122 of the spiral water channel.
The top cover 123 of the water storage tank 120 is sequentially provided with a waterproof layer 1231, an insulating layer 1232 and a soil covering layer 1233 from bottom to top. The waterproof layer 1231 may be made of a rubber-plastic waterproof material. The waterproof film is made of neoprene, butyl rubber, ethylene propylene diene monomer, polyvinyl chloride, polyisobutylene, polyurethane and other raw materials and is covered by multiple layers to achieve the waterproof effect; the heat-insulating layer 1232 can be made of organic heat-insulating materials such as polyurethane foam, polystyrene board, phenolic foam and the like, and has light weight and good heat-insulating effect; the cover soil layer 1233 may be used to plant crops and vegetation, or to construct buildings or structures according to bearing capacity.
When the heating system provided by the embodiment of the disclosure is used in a specific site, the area of the energy island can be designed according to actual conditions. For example, if the required heat is 100MWh, the heat is accumulated in the spring, summer and autumn, and the heat is released in the winter, and the effective heat accumulation days are about 273 days. If the standard working condition of the wind-heat machine set is reached within 5 hours every day, 2 wind-heat machine sets with 50kw are needed through calculation. If the temperature of the cold water at the inlet is 35 ℃ and the temperature of the hot water at the outlet is 90 ℃, the volume of the heat storage water body is 1559m & lt 3 & gt. If the depth of the water pool is 3 meters, the occupied area of the water pool is 520m2, and the occupied area of the whole energy island is estimated to be 600m2 by the arrangement of the wind-heat machine sets. In addition, the wind-heat units are built on the dam of the self-filling artificial island, the number of the wind-heat units can be reasonably designed according to the wind power and the heat supply amount, and the wind-heat units are built around the periphery of the island.
In summary, the energy island heating system based on wind energy provided by the embodiment of the present disclosure solves the problem of too large floor space of the hot water storage body by a way of self-filling the artificial island at the near shore. The renewable energy is fully utilized by the wind-heat machine set and the seawater source heat pump. Meanwhile, a reasonable giant heat storage water pool structure is designed, and the heat storage efficiency of the season-crossing heat storage water body is improved.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present disclosure should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (8)
1. An energy island heating system based on wind energy, comprising:
the energy island comprises a dam and a water body transduction area near a water bank, wherein the dam encloses the water body transduction area;
the water storage tank is arranged in the central area of the energy island, a water body gap exists between the dam and the water storage tank, the water storage tank comprises a bottom plate, a side wall and a top cover, the side wall encloses a water storage channel between the bottom plate and the top cover, and a hot water port of the water storage tank is communicated with a heat supply port of a user end on a near water bank through a hot water supply pipe;
the wind-heat unit comprises a fan, a compressor, a condenser and an evaporator, the fan is arranged on the dam, the fan is in transmission connection with the compressor, the compressor is communicated with the condenser through a refrigerant pipeline, the condenser is communicated with the evaporator through a refrigerant pipeline, the evaporator is communicated with the compressor through a refrigerant pipeline, the evaporator is communicated with the water body in the water body energy conversion area through a water pipe, and the condenser is communicated with the water storage tank through a water pipe;
the fan is driven by wind energy on the near-water bank to drive the compressor to compress low-temperature and low-pressure refrigerant into high-temperature and high-pressure refrigerant steam, the condenser absorbs heat from the high-temperature and high-pressure refrigerant steam input by the compressor and condenses the high-temperature and high-pressure refrigerant steam into refrigerant liquid, the evaporator inputs the refrigerant liquid into the condenser by using heat in water in the water body transduction area to heat the refrigerant liquid into low-temperature and low-pressure refrigerant steam, the low-temperature and low-pressure refrigerant steam is input into the compressor, the condenser heats cold water into hot water by using the absorbed heat of the high-temperature and high-pressure refrigerant and inputs the hot water into the water storage pool, and the hot water in the water storage pool is input into a heat supply port of the user end;
the condenser is communicated with a cold water port of the water storage tank and/or a water return port of the user side through a water pipe;
the water storage tank is a spiral water storage channel, the spiral water storage channel comprises a first hot water inlet and a first hot water outlet, and the first hot water inlet and the first hot water outlet are both arranged on a marginal water channel of the spiral water storage channel; the hot water port of condenser lead to the pipe with the first hot water entry intercommunication of tank, the first hot water export of tank with the hot water port intercommunication of user side, heliciform water storage passageway still includes second hot water entry and cold water export, the second hot water entry with cold water export all set up in the central water course of heliciform water storage passageway, marginal water course with be provided with between the central water course and separate the temperature baffle, wherein:
in a non-heating season, the condenser inputs hot water into the spiral water storage channel through the first hot water inlet to store heat;
in a heating season, the spiral water storage channel inputs hot water to the hot water port of the user side through the first hot water outlet.
2. The system according to claim 1, wherein the hot water port of the condenser is communicated with the second hot water inlet of the water storage tank through a water pipe, and the cold water outlet of the water storage tank and the water return port of the user side are both communicated with the cold water port of the condenser;
in a non-heat supply season, the spiral water storage channel inputs the stored cold water into the condenser through the cold water outlet for heating, and the condenser inputs the heated hot water into the spiral water storage channel through the first hot water inlet for heat storage;
in a heating season, the spiral water storage channel inputs hot water into the hot water port of the user side through the first hot water outlet, the condenser receives cold water output by the water return port of the user side and heats the cold water, heated hot water is input into the spiral water storage tank through the second hot water inlet, and the hot water input into the edge water channel through the first hot water inlet and the hot water input into the central water channel through the second hot water inlet are separated through a temperature separation baffle.
3. The system of claim 2, further comprising: the electromagnetic valve comprises a three-way valve, a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve, a fourth electromagnetic valve, a fifth electromagnetic valve and a sixth electromagnetic valve; wherein,
the central water channel of the spiral water storage channel is communicated with a first end of the three-way valve, a second end of the three-way valve is communicated with a water inlet of the sixth electromagnetic valve, a water outlet of the sixth electromagnetic valve is communicated with a water inlet of the third electromagnetic valve, and a water outlet of the third electromagnetic valve is communicated with a water inlet of the condenser;
the water outlet of the condenser is respectively communicated with the water inlet of the first electromagnetic valve and the water inlet of the second electromagnetic valve, the water outlet of the first electromagnetic valve is communicated with the first hot water inlet of the spiral water storage channel, and the water outlet of the second electromagnetic valve is communicated with the third end of the three-way valve;
and a first hot water outlet of the spiral water storage channel is communicated with a hot water port of the user end through the fifth electromagnetic valve, and a cold water port of the user end is communicated with a water inlet of the third electromagnetic valve through the fourth electromagnetic valve.
4. The system of claim 2 or 3, wherein the thermal insulation baffle comprises a central plate and a thermal insulation welt, the central plate is attached to the inner side wall of the spiral water storage channel, and the thermal insulation welt is attached to the side edge of the central plate facing the inner side wall of the spiral water storage tank.
5. The system of claim 4, wherein said thermal barrier further comprises elastomeric cushioning members for cushioning sliding compression, said elastomeric cushioning members being uniformly affixed to the edges of said central panel.
6. The system of claim 5, wherein the elastomeric buffer is a spring; and/or the presence of a gas in the gas,
the central plate is a hard wood plate; and/or the presence of a gas in the gas,
the heat-preservation welt is made of polyurethane foam, polystyrene board or phenolic foam.
7. The system of claim 6, wherein all of the sidewalls of the helical water storage channel have the same height, and the top cover is attached to the top of all of the sidewalls of the helical water channel.
8. The system of claim 7, wherein the top cover of the water storage tank sequentially comprises a waterproof layer, an insulating layer and a soil covering layer, and the waterproof layer of the top cover is attached to the top ends of all the side walls of the spiral water channel.
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