CN114876712B - Wave energy self-driven injection type cold-fresh electricity triple generation system - Google Patents
Wave energy self-driven injection type cold-fresh electricity triple generation system Download PDFInfo
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- CN114876712B CN114876712B CN202210505392.1A CN202210505392A CN114876712B CN 114876712 B CN114876712 B CN 114876712B CN 202210505392 A CN202210505392 A CN 202210505392A CN 114876712 B CN114876712 B CN 114876712B
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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
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
- F03B13/22—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the flow of water resulting from wave movements to drive a motor or turbine
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/008—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being a fluid transmission link
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B41/00—Pumping installations or systems specially adapted for elastic fluids
- F04B41/02—Pumping installations or systems specially adapted for elastic fluids having reservoirs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
- F04F5/16—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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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
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
Abstract
The application relates to the technical field of seawater desalination, in particular to a wave energy self-driven injection type cold-fresh-electricity triple power supply system, the device comprises a wave energy collecting plate, an air compression piston cylinder, an air storage tank, a vortex tube, a first gravity seawater tank, a steam generator, an ejector and an air dehumidifier; the wave energy collecting plate is connected with a piston head of the air compression piston cylinder through a connecting rod, and the wave energy collecting plate is connected with a cylinder wall of the air compression piston cylinder through a spring; the cavity of the compressed air piston cylinder is communicated with an air storage tank; the air storage tank is communicated with a vortex tube, a hot end tube of the vortex tube penetrates through the interior of the steam generator and is communicated with a working port of the ejector, and a cold end tube of the vortex tube penetrates through the air dehumidifier; an atomizer is arranged in the steam generator, the first gravity seawater tank is connected with the atomizer, the steam generator is communicated with an injection port of the injector, and an injection port of the injector is communicated with an inner cavity of the air dehumidifier. The application solves the technical problems of insufficient environmental protection and high desalination cost of the existing seawater desalination device.
Description
Technical Field
The application relates to the technical field of sea water desalination, in particular to a wave energy self-driven injection type cold-fresh electricity triple power supply system.
Background
Fresh water resources on the earth account for only 3% of all water resources, and are basic resources on which human society depends to live. At present, fresh water resources in a plurality of regions in the world are seriously deficient, the ocean area accounts for about 71 percent of the area of the earth, and abundant water resources and a plurality of renewable energy sources such as wave energy, tidal energy, temperature difference energy and the like are stored in the ocean, wherein the wave energy has the characteristics of wide distribution, high energy flux density, cleanness and the like, and the wave energy is a very promising technology for desalting the sea water.
The existing seawater desalination mainly comprises several methods such as a distillation method, a reverse osmosis method, an electrodialysis method, an ion exchange method and the like. The reverse osmosis method has the defects that the reverse osmosis membrane needs to be replaced periodically, the limitation of a membrane device is large, and the like; the electrodialysis method has the defects of low production efficiency, high energy consumption, high unit cost and the like; the ion exchange method has the defects of long fresh water preparation period, unstable water quality and the like; therefore, distillation is still the main method for desalinating seawater at present. The existing distillation type seawater desalination device is mainly completed by heating seawater and evaporating by fossil energy, and is not environment-friendly and high in desalination cost.
Disclosure of Invention
In view of this, the application aims to provide a wave energy self-driven injection type cold-fresh electricity triple generation system for solving the technical problems of insufficient environmental protection and high desalination cost of the existing seawater desalination device.
In order to achieve the purpose, the application provides the following technical scheme:
a wave energy self-driven injection type cold-fresh electricity triple supply system comprises a wave energy acquisition plate, an air compression piston cylinder, an air storage tank, a vortex tube, a first gravity seawater tank, a steam generator, an injector and an air dehumidifier; the wave energy collecting plate is connected with a piston head of the air compression piston cylinder through a connecting rod, and the wave energy collecting plate is connected with a cylinder wall of the air compression piston cylinder through a spring; a cavity of the compressed air piston cylinder, which is far away from the wave energy collecting plate, is communicated with the air storage tank through a first connecting pipe, and a one-way valve is arranged on the first connecting pipe; the air storage tank is communicated with the vortex tube through a second connecting pipe, a hot end pipe of the vortex tube penetrates through the interior of the steam generator and is communicated with a working port of the ejector, and a cold end pipe of the vortex tube penetrates through the interior of the air dehumidifier; the inner cavity of the first gravity seawater tank is connected with the atomizer through a third connecting pipe, the inner cavity of the steam generator is communicated with an injection port of the injector through a fourth connecting pipe, and an injection port of the injector is communicated with the inner cavity of the air dehumidifier through a fifth connecting pipe.
Preferably, in the injection type combined cooling, heating and power system, a second gravity seawater tank and an ice crystal generator are further included; the cold end pipe of the vortex pipe sequentially penetrates through the ice crystal generator and the air dehumidifier; and the inner cavity of the second gravity seawater tank is communicated with the inner cavity of the ice crystal generator through a sixth connecting pipe.
Preferably, in the injection type combined cooling, power and power system, a turbine and a generator are further included; the inner cavity of the air dehumidifier is communicated with the turbine through a seventh connecting pipe, and the tail end of the cold end pipe of the vortex pipe is communicated with the seventh connecting pipe; the turbine is connected with the generator to drive the generator to generate electricity.
Preferably, in the injection type triple power supply system for cold, fresh water and electricity, a storage tank is further included, and the bottom of the ice crystal generator is communicated with the storage tank through an ice melting collecting pipe.
Preferably, in the injection type combined cooling, heating and power system, the second connecting pipe is provided with a first valve, the third connecting pipe is provided with a second valve, and the sixth connecting pipe is provided with a third valve.
Preferably, in the injection type combined cooling, fresh water and power system, the cold end pipe of the vortex pipe is provided with a plurality of first bending portions inside the ice crystal generator.
Preferably, in the injection type combined cooling, heating and power system, the cold end pipe of the vortex pipe is provided with a plurality of second bending portions inside the air dehumidifier.
Preferably, in the injection type combined cooling, heating and power system, the hot end pipe of the vortex pipe is provided with a plurality of third bending portions inside the steam generator.
Preferably, in the injection type combined cooling, fresh water and power system, the system further comprises a concentrated seawater tank, and the bottom of the steam generator is communicated with the concentrated seawater tank through a concentrated seawater collecting pipe.
Preferably, in the injection type combined cooling, heating and power system, the system further comprises a fresh water tank, and the bottom of the air dehumidifier is communicated with the fresh water tank through a fresh water collecting pipe.
Compared with the prior art, the beneficial effects of this application are:
(1) During operation, the wave energy is used for converting pressure potential energy through the wave energy collecting plate, the converted pressure potential energy can drive a piston head of the air compression piston cylinder to compress air and store the air in the air storage tank, high-temperature and high-pressure air in the air storage tank flows into the vortex tube as working fluid, cold air flows along a cold end tube of the vortex tube and serves as a cold source in the air dehumidifier due to the energy separation effect of the vortex tube, hot air flows along a hot end tube of the vortex tube and serves as a heat source in the steam generator, non-desalted seawater flows out of the first gravity seawater tank and forms atomized seawater in the steam generator through the atomizer, and the atomized seawater exchanges heat with the hot end tube and is evaporated in the steam generator; after the evaporation process, the water vapor is connected with the ejector as the injected fluid, the high-pressure air in the hot end pipe is connected with the ejector as the working fluid of the ejector, the working fluid of the ejector injects the water vapor with lower pressure into the mixing chamber of the ejector to be mixed, finally the mixed fluid is discharged into the air dehumidifier with the pressure higher than that of the injected fluid entering the mixing chamber, and the mixed fluid in the air dehumidifier exchanges heat with the cold air in the cold end pipe to be condensed into fresh water, so that the whole seawater desalination process is completed by utilizing the drive of wave energy;
(2) The wave energy is utilized to drive the whole seawater desalination system, fossil energy such as petroleum and coal is replaced, and compared with the traditional seawater desalination device, the wave energy desalination device has the advantages that the system can be driven automatically, so that the energy consumption is reduced remarkably, the cost is reduced, the system does not generate any pollution, the energy-saving and emission-reducing principle is met, and the technical problems of insufficient environmental protection and high desalination cost of the existing seawater desalination device are effectively solved; meanwhile, wave energy is collected and directly converted into pressure potential energy required by seawater desalination, so that multiple conversion of energy is avoided, and the energy conversion efficiency is improved;
(3) On one hand, the vortex tube is skillfully utilized, the vortex tube not only has the advantages of small refrigerating and heating volume, light weight, no moving part, long service life and the like, but also can adjust the flow of gas and the temperature of a cold air end by adjusting a valve at the hot air end; on the other hand, the ejector is added into the seawater desalination system, and working fluid of the ejector expands at the outlet of the nozzle and reaches supersonic speed, so that a certain vacuum is formed, and water vapor with lower pressure in the steam generator is sucked. At this time, the pressure in the steam generator decreases, the boiling point of seawater decreases, and the evaporation rate increases. And the mixed fluid pressure ejected by the ejector is higher than the pressure of the ejected fluid entering the mixing chamber, and the condensation rate of the water vapor in the air dehumidifier is increased due to the action of the pressure. Therefore, the ejector is added, and the efficiency of the whole seawater desalination system is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a wave energy self-driven injection type cold-fresh electricity triple power supply system provided in an embodiment of the present application.
In the figure:
101. a wave energy collecting plate; 102. a spring; 103. a compressed air piston cylinder; 104. a one-way valve; 105. a gas storage tank; 106. a vortex tube; 107. a first gravity sea chest; 108. a second gravity seawater tank; 109. an atomizer; 110. a steam generator; 111. a concentrated seawater tank; 112. an ejector; 113. an ice crystal generator; 114. storing the refrigerator; 115. an air dehumidifier; 116. a fresh water tank; 117. a turbine; 118. a generator; 119. a cold end pipe; 120. a hot end tube; 121. a first connecting pipe; 122. a second connecting pipe; 123. a third connecting pipe; 124. a fourth connecting pipe; 125. a fifth connecting pipe; 126. a sixth connecting pipe; 127. a seventh connection pipe; 128. a fluidized ice collection tube; 129. a concentrated seawater collecting pipe; 130. a fresh water collecting pipe; 131. a first valve; 132. a second valve; 133. a third valve; 134. a first bending portion; 135. a second bending portion; 136. and a third bent portion.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood as specific cases by those of ordinary skill in the art.
With the rapid development of refrigeration technology and the increasing demand of refrigeration, the problems of difficult preservation of aquatic products, high refrigeration energy consumption of islands, difficult power supply, insufficient refrigeration capacity of ocean fishing boats and the like commonly exist in islands, seas, ocean fishing boats and the like, so renewable energy sources such as ocean wave energy are fully utilized, supply stations are arranged beside the islands and the seas, and the refrigeration and power demands of residents on the islands and the ocean fishing boats are met. In order to solve the problems, the system also provides the functions of refrigeration and power generation while preparing fresh water, and realizes cold-light-power triple supply.
Referring to fig. 1, an embodiment of the present application provides a wave energy self-driven injection type cold-fresh electricity triple supply system, which includes a wave energy collecting plate 101, an air compressing piston cylinder 103, an air storage tank 105, a vortex tube 106, a first gravity sea water tank 107, a steam generator 110, an injector 112, and an air dehumidifier 115; the wave energy collecting plate 101 is connected with a piston head of the air compression piston cylinder 103 through a connecting rod, and the wave energy collecting plate 101 is connected with a cylinder wall of the air compression piston cylinder 103 through a spring 102; a cavity of the pneumatic piston cylinder 103, which is far away from the wave energy collecting plate 101, is communicated with the air storage tank 105 through a first connecting pipe 121, and a one-way valve 104 is arranged on the first connecting pipe 121; the air storage tank 105 is communicated with a vortex tube 106 through a second connecting pipe 122, a hot end pipe 120 of the vortex tube 106 penetrates through the interior of the steam generator 110 and is communicated with a working port of the ejector 112, and a cold end pipe 119 of the vortex tube 106 penetrates through the interior of the air dehumidifier 115; an atomizer 109 is arranged in the steam generator 110, the inner cavity of the first gravity seawater tank 107 is connected with the atomizer 109 through a third connecting pipe 123, the inner cavity of the steam generator 110 is communicated with an injection port of the ejector 112 through a fourth connecting pipe 124, and an injection port of the ejector 112 is communicated with the inner cavity of the air dehumidifier 115 through a fifth connecting pipe 125.
More specifically, the spring 102 is preferably sleeved on the connecting rod, so that the stability of the movement of the piston head is ensured; the check valve 104 can allow compressed air in the compressor cylinder 103 to be delivered to the air reservoir 105 and prevent air in the air reservoir 105 from flowing back to the compressor cylinder 103; the side wall of the cavity of the air compression piston cylinder 103 far away from the wave energy collecting plate 101 is provided with a one-way air inlet valve which can only enter and exit, the piston head is allowed to move in the direction close to the wave energy collecting plate 101 through the one-way air inlet valve, and the requirement that the air compression piston cylinder 103 always transmits compressed air to the air storage tank 105 is met by combining the one-way valve 104 on the first connecting pipe 121; the height of the gravity seawater tank is higher than that of the steam generator 110, so that seawater in the gravity seawater tank can conveniently flow into the steam generator 110 under the action of gravity; the atomizer 109 is used for atomizing the desalinated seawater, so that the hot air in the hot end pipe 120 can better heat and evaporate the atomized seawater; the vortex tube 106 is a relatively simple mechanical device consisting of a nozzle, a vortex chamber, a cold orifice plate, a cold end tube 119, a hot end tube 120, and an adjustable heat flow control valve. The compressed gas expands in the nozzle and enters the vortex chamber along the tangential direction, and due to the obstruction of the cold orifice plate, the gas is simultaneously separated into two fluids with different temperatures after vortex conversion, wherein the temperature of the outer layer fluid is higher, and the outlet temperature of the inner layer fluid is lower than the inlet temperature, and the unique phenomenon is called temperature separation or energy separation effect. Hot fluid exits from the outlet of the hot side tube 120 and cold fluid exits in the opposite direction from the outlet of the cold side tube 119.
The beneficial effect of this embodiment is: (1) During operation, the wave energy collection plate 101 converts pressure potential energy by using wave energy, the converted pressure potential energy can drive a piston head of the air compression piston cylinder 103 to compress air and store the air in the air storage tank 105, high-temperature and high-pressure air in the air storage tank 105 flows into the vortex tube 106 as working fluid, cold air flows along the cold end tube 119 of the vortex tube 106 and serves as a cold source in the air dehumidifier 115 due to the energy separation effect of the vortex tube 106, hot air flows along the hot end tube 120 of the vortex tube 106 and serves as a heat source in the steam generator 110, seawater which is not desalinated flows out of the first gravity seawater tank 107 and forms atomized seawater in the steam generator 110 through the atomizer 109, and the atomized seawater exchanges heat with the hot end tube 120 and is evaporated in the steam generator 110; after the evaporation process, the water vapor is used as the injected fluid to be connected with the injector 112, the high-pressure air in the hot-end pipe 120 is used as the working fluid of the injector 112 to be connected with the injector 112, the working fluid of the injector 112 injects the water vapor with smaller pressure into the mixing chamber of the injector 112 to be mixed, finally the mixed fluid is discharged into the air dehumidifier 115 at a pressure higher than the pressure of the injected fluid entering the mixing chamber, and the mixed fluid in the air dehumidifier 115 exchanges heat with the cold air in the cold-end pipe 119 to be condensed into fresh water, so that the whole seawater desalination process is completed by utilizing the wave energy drive;
(2) The wave energy is utilized to drive the whole seawater desalination system, fossil energy such as petroleum and coal is replaced, and compared with the traditional seawater desalination device, the wave energy desalination device has the advantages that the self-driving of the system can be realized, so that the energy consumption and the cost are remarkably reduced, the system does not generate any pollution, the energy-saving and emission-reducing principle is met, and the technical problems of insufficient environmental protection and high desalination cost of the existing seawater desalination device are effectively solved; meanwhile, wave energy is collected and directly converted into pressure potential energy required by seawater desalination, so that multiple conversion of energy is avoided, and the energy conversion efficiency is improved; (3) On one hand, the vortex tube 106 is skillfully utilized in the embodiment, the vortex tube 106 not only has the advantages of small refrigerating and heating volume, light weight, no moving parts, long service life and the like, but also the vortex tube 106 can adjust the flow rate of gas and the temperature of a cold gas end by adjusting a valve at the hot gas end; on the other hand, in the embodiment, an ejector 112 is added in the seawater desalination system, and the working fluid of the ejector 112 expands at the outlet of the nozzle and reaches supersonic speed, so that a certain vacuum is formed, and water vapor with lower pressure in the steam generator 110 is sucked in. At this time, the pressure in the steam generator 110 decreases, the boiling point of the seawater decreases, and the evaporation rate increases. And the mixing fluid pressure from the eductor 112 is higher than the eductor fluid pressure entering the mixing chamber, the rate of condensation of water vapor in the air dehumidifier 115 increases due to the pressure. Therefore, the ejector 112 is added, which is beneficial to improving the efficiency of the whole seawater desalination system.
Further, in the present embodiment, a second gravity seawater tank 108 and an ice crystal generator 113 are further included; the cold end pipe 119 of the vortex tube 106 is sequentially penetrated through the ice crystal generator 113 and the air dehumidifier 115; the inner cavity of the second gravity sea water tank 108 is communicated with the inner cavity of the ice crystal generator 113 through a sixth connecting pipe 126. Because the cold end pipe 119 of the vortex tube 106 is arranged in the ice crystal generator 113 in a penetrating manner, the cold end pipe 119 can be used as a cold source of the ice crystal generator 113 to form a low-temperature environment in the ice crystal generator 113, when the second gravity sea water tank 108 conveys sea water to the inside of the ice crystal generator 113, the cold air in the cold end pipe 119 can carry out cooling treatment on the sea water until fluidized ice is formed, so that the cold air output by the cold end pipe 119 is not only used for condensing water vapor to produce fresh water, but also can be used for producing and storing the fluidized ice, and the operation range of the whole system is effectively expanded.
Further, in the present embodiment, a turbine 117 and a generator 118 are also included; the inner cavity of the air dehumidifier 115 is communicated with the turbine 117 through a seventh connecting pipe 127, and the end of the cold end pipe 119 of the vortex tube 106 is communicated with the seventh connecting pipe 127; turbine 117 is coupled to generator 118 to power generator 118 to generate electricity. The cold air in the cold end pipe 119 and the hot air in the air dehumidifier 115 are mixed and conveyed to the turbine 117 through the seventh connecting pipe 127, and the mixed air formed by mixing the cold air and the hot air has higher pressure, so that the turbine 117 can be driven to work to drive the generator 118 to generate electricity, the whole processes of ice making, seawater desalination and electricity generation are further completed, the cold-light-electricity combined supply of the system is realized, and the operation range of the whole system is greatly expanded.
Further, in the present embodiment, a ice storage box 114 is further included, and the bottom of the ice crystal generator 113 is communicated with the ice storage box 114 through an ice flow collection pipe 128. The fluidized ice collecting pipe 128 may be connected to the lowest point of the bottom of the ice crystal generator 113, so as to facilitate the fluidized ice in the ice crystal generator 113 to gather at the fluidized ice collecting pipe 128 and to be recovered along the fluidized ice collecting pipe 128 to the ice storage tank 114.
Further, in this embodiment, the second connection pipe 122 is provided with a first valve 131, the third connection pipe 123 is provided with a second valve 132, and the sixth connection pipe 126 is provided with a third valve 133. Because it is necessary to ensure that the gas delivered into the vortex tube 106 by the gas storage tank 105 is high-pressure gas, it can be ensured that the temperature difference between the cold air and the hot air separated from the hot end tube 120 and the cold end tube 119 by the vortex tube 106 is large and the air pressure is high, therefore, the arrangement of the first valve 131 and the one-way valve 104 can ensure that the compressed air is continuously delivered into the gas storage tank 105 by the air compression piston cylinder 103 for storage, along with the increase of the air in the gas storage tank 105, the pressure of the air in the gas storage tank 105 is also increased until the air in the gas storage tank 105 reaches the required high-pressure requirement, and then the first valve 131 is opened to separate the cold air and the hot air by the vortex tube 106, so as to smoothly complete the subsequent seawater desalination operation. The amount of seawater discharged from the first gravity seawater tank 107 can be controlled according to actual needs through the second valve 132, so that the amount of atomized seawater formed in the steam generator 110 by the atomizer 109 is convenient for the atomized seawater to be heated and evaporated at a better rate; the amount of seawater discharged from the second gravity seawater tank 108 can be controlled according to actual needs through the third valve 133, and further the amount of the fluidized ice formed by the ice crystal generator 113 is controlled.
Further, in the present embodiment, the cold end tube 119 of the vortex tube 106 is provided with a plurality of first bends 134 inside the ice crystal generator 113. The contact area between the seawater delivered into the ice crystal generator 113 from the second gravity seawater tank 108 and the cold end pipe 119 can be effectively increased through the arrangement of the first bending part 134, which is beneficial to accelerating the heat exchange between the seawater and the cold air in the cold end pipe 119, and further improving the ice making efficiency in the ice crystal generator 113.
More specifically, the number of the first bending portions 134 is set according to actual requirements, and the concave directions of two adjacent first bending portions 134 are opposite, so that all the first bending portions 134 are wavy or zigzag.
Further, in the present embodiment, the cold end tube 119 of the vortex tube 106 is provided with a plurality of second bending portions 135 inside the air dehumidifier 115. The contact area of the mixed gas ejected by the ejector 112 and the cold end pipe 119 in the air dehumidifier 115 can be effectively increased by setting the second bending part 135, so that the heat exchange between the water vapor and the cold air in the cold end pipe 119 is facilitated, and the condensation liquefaction efficiency in the air dehumidifier 115 is improved.
More specifically, the number of the second bending portions 135 is set according to actual needs, and the concave directions of two adjacent second bending portions 135 are opposite, so that all the second bending portions 135 are wavy or zigzag together.
Further, in the present embodiment, the hot end tube 120 of the vortex tube 106 is provided with a plurality of third bends 136 inside the steam generator 110. The contact area between the atomized seawater formed by the atomizer 109 and the hot end pipe 120 in the steam generator 110 can be effectively increased by the third bending part 136, so that the heat exchange between the atomized seawater and the hot air in the hot end pipe 120 is accelerated, and the heating evaporation efficiency in the steam generator 110 is further improved.
More specifically, the number of the third bending portions 136 is set according to actual requirements, and the recessed directions of two adjacent third bending portions 136 are opposite, so that all the third bending portions 136 are wavy or zigzag.
Further, in the present embodiment, a rich sea water tank 111 is further included, and the bottom of the steam generator 110 is communicated with the rich sea water tank 111 through a rich sea water collecting pipe 129. The concentrated seawater collecting pipe 129 may be connected to the lowest point of the bottom of the steam generator 110, so that the concentrated seawater in the steam generator 110 is collected at the concentrated seawater collecting pipe 129 and recovered to the concentrated seawater tank 111 along the concentrated seawater collecting pipe 129.
Further, in the present embodiment, a fresh water tank 116 is further included, and the bottom of the air dehumidifier 115 is communicated with the fresh water tank 116 through a fresh water collecting pipe 130. The fresh water collecting pipe 130 may be connected to the lowest point of the bottom of the air dehumidifier 115, so that the fresh water in the air dehumidifier 115 is collected at the fresh water collecting pipe 130 and recovered to the fresh water tank 116 along the fresh water collecting pipe 130.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A wave energy self-driven injection type cold-fresh electricity triple co-generation system is characterized by comprising a wave energy acquisition plate, an air compression piston cylinder, an air storage tank, a vortex tube, a first gravity seawater tank, a steam generator, an injector, an air dehumidifier, an ice crystal generator, a turbine and a generator;
the wave energy collecting plate is connected with a piston head of the air compression piston cylinder through a connecting rod, and the wave energy collecting plate is connected with a cylinder wall of the air compression piston cylinder through a spring;
a cavity of the compressed air piston cylinder, which is far away from the wave energy collecting plate, is communicated with the air storage tank through a first connecting pipe, and a one-way valve is arranged on the first connecting pipe;
the air storage tank is communicated with the vortex tube through a second connecting pipe, a hot end pipe of the vortex tube penetrates through the interior of the steam generator and is communicated with a working port of the ejector, and a cold end pipe of the vortex tube penetrates through the interior of the air dehumidifier;
an atomizer is arranged in the steam generator, the inner cavity of the first gravity seawater tank is connected with the atomizer through a third connecting pipe, the inner cavity of the steam generator is communicated with an injection port of the injector through a fourth connecting pipe, and an injection port of the injector is communicated with the inner cavity of the air dehumidifier through a fifth connecting pipe;
the cold end pipe of the vortex pipe sequentially penetrates through the ice crystal generator and the air dehumidifier;
the inner cavity of the air dehumidifier is communicated with the turbine through a seventh connecting pipe, and the tail end of the cold end pipe of the vortex pipe is communicated with the seventh connecting pipe;
the turbine is connected with the generator to drive the generator to generate electricity.
2. The injection type combined cooling, heating and power system as claimed in claim 1, further comprising a second gravity seawater tank;
and the inner cavity of the second gravity seawater tank is communicated with the inner cavity of the ice crystal generator through a sixth connecting pipe.
3. The injection type combined cooling, heating and power system of claim 2, further comprising a storage tank, wherein the bottom of the ice crystal generator is communicated with the storage tank through a flow-separation ice collecting pipe.
4. The injection type triple co-generation system for cold and fresh electricity according to claim 2, wherein a first valve is arranged on the second connecting pipe, a second valve is arranged on the third connecting pipe, and a third valve is arranged on the sixth connecting pipe.
5. The injection type triple co-generation system for cold electricity, fresh water and electricity according to claim 2, wherein a plurality of first bending parts are arranged inside the ice crystal generator on the cold end pipe of the vortex pipe.
6. The injection type triple co-generation system for cool, fresh and electricity according to claim 2, wherein a plurality of second bending portions are arranged inside the air dehumidifier on a cold end pipe of the vortex tube.
7. The injection type combined cooling, heating and power system as claimed in claim 1, wherein the hot end pipe of the vortex tube is provided with a plurality of third bent portions inside the steam generator.
8. The injection type combined cooling, heating and power system as claimed in claim 1, further comprising a concentrated seawater tank, wherein the bottom of the steam generator is communicated with the concentrated seawater tank through a concentrated seawater collecting pipe.
9. The injection type combined cooling, heating and power supply system according to claim 1, further comprising a fresh water tank, wherein the bottom of the air dehumidifier is communicated with the fresh water tank through a fresh water collecting pipe.
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