CN117889055A - Temperature difference energy-pressure difference energy power generation device for ascending and descending type submersible - Google Patents

Temperature difference energy-pressure difference energy power generation device for ascending and descending type submersible Download PDF

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Publication number
CN117889055A
CN117889055A CN202311637687.5A CN202311637687A CN117889055A CN 117889055 A CN117889055 A CN 117889055A CN 202311637687 A CN202311637687 A CN 202311637687A CN 117889055 A CN117889055 A CN 117889055A
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CN
China
Prior art keywords
power generation
submersible
energy
bin
pressure
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Pending
Application number
CN202311637687.5A
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Chinese (zh)
Inventor
吴哲
张怀卓
姚福锋
王超
王佳典
靳泽龙
杨嗣涵
张程宾
陈永平
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China Shipbuilding Group Corp 703 Research Institute
Southeast University
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China Shipbuilding Group Corp 703 Research Institute
Southeast University
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Application filed by China Shipbuilding Group Corp 703 Research Institute, Southeast University filed Critical China Shipbuilding Group Corp 703 Research Institute
Priority to CN202311637687.5A priority Critical patent/CN117889055A/en
Publication of CN117889055A publication Critical patent/CN117889055A/en
Pending legal-status Critical Current

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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
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
    • F03G7/04—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using pressure differences or thermal differences occurring in nature
    • F03G7/05—Ocean thermal energy conversion, i.e. OTEC
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
    • B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
    • B63G8/08—Propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
    • B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
    • B63G8/14—Control of attitude or depth
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/10—Adaptations for driving, or combinations with, electric generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
    • F01K25/06—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using mixtures of different fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
    • F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
    • F01K25/10—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours the vapours being cold, e.g. ammonia, carbon dioxide, ether
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
    • F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
    • F01K25/10—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours the vapours being cold, e.g. ammonia, carbon dioxide, ether
    • F01K25/106—Ammonia
    • 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
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
    • F03G7/04—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using pressure differences or thermal differences occurring in nature
    • F03G7/045—Environmental heat plants or OTEC plants using an Organic Rankine Cycle [ORC] or a Kalina Cycle
    • 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
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
    • F03G7/04—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using pressure differences or thermal differences occurring in nature
    • F03G7/047—Environmental heat plants or OTEC plants using heat pumps
    • 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
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
    • F03G7/06—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like
    • F03G7/061—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like characterised by the actuating element
    • F03G7/06112—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like characterised by the actuating element using the thermal expansion or contraction of enclosed fluids
    • F03G7/06113—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like characterised by the actuating element using the thermal expansion or contraction of enclosed fluids the fluids subjected to phase change
    • 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
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
    • F03G7/06—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like
    • F03G7/064—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like characterised by its use
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Toxicology (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Oceanography (AREA)
  • Sustainable Development (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)

Abstract

The invention provides a temperature difference energy-pressure difference energy power generation device for a submersible vehicle, which consists of a submersible vehicle lifting bin, a storage Leng Cang and a power generation bin, wherein the submersible vehicle lifting bin provides submersible power for the power generation device in the deep sea-sea surface, the power generation bin adopts a closed turbine power generation thermodynamic cycle to generate power, the storage Leng Cang stores cold energy in the deep sea through a solid-liquid phase change solidification process, and the submersible vehicle lifting bin is driven by the temperature difference energy-pressure difference energy composite power; the storage Leng Cang stores cold energy in the deep sea through a solid-liquid phase solidification process and provides an intermittent cold source for the power generation bin; the power generation bin adopts a closed turbine power generation thermodynamic cycle, and realizes the conversion of temperature difference energy and electric energy under the drive of sea water at sea surface temperature and a cold source carried by a storage Leng Cang; the invention provides an autonomous quick energy capturing and converting method for a long-time-sequence underwater working submersible, and solves the problem of opposition between self-carrying electric energy storage and endurance of the long-time autonomous working submersible in deep open sea.

Description

Temperature difference energy-pressure difference energy power generation device for ascending and descending type submersible
Technical Field
The invention belongs to the field of long-time sequence power systems of submersible, and particularly relates to a temperature difference energy-pressure difference energy power generation device for a submersible.
Background
Submersible ascent refers to the process of a submersible rising from the water to the surface. The diving process of the submersible mainly relies on changing the volume to achieve the buoyancy change. Specifically, when the submersible needs to be lifted from the sea floor to the water surface, the volume of the submersible can be increased, so that the buoyancy is increased, and the submersible can be lifted to the water surface; when the submersible is required to submerge from the surface to the sea floor, it reduces its volume, thereby reducing buoyancy so that the submersible can submerge to the sea floor. However, there are many power sources required for volume change, most of which rely on a submersible to provide additional electrical energy, failing to achieve the combined effects of submersible lifting and power supply, self-sufficiency.
Ocean thermal energy, also known as ocean thermal energy, is a renewable energy source that is produced by utilizing the temperature difference between the ocean surface and the deep sea. In tropical regions, the temperature of surface seawater may be as high as 30 ℃, while the temperature of deep seawater may be as low as 5 ℃. This temperature difference can be used to drive a thermodynamic cycle to produce electricity. Ocean temperature differential energy is a clean, renewable energy source with great potential, but its development and utilization also face some technical and economic challenges. One of the biggest challenges is how to efficiently collect and convert such energy. In addition, the development of ocean temperature differential energy requires a large amount of initial investment, and the thermodynamic cycle operation process needs to reciprocate between the ocean surface and the deep sea, which is an important factor that prevents the wide application of ocean temperature differential energy if no proper system design is adopted to generate huge operation energy consumption. In addition, the complexity and uncertainty of the marine environment, and the associated environmental impact, prevent the use of ocean thermal energy.
Ocean differential pressure energy refers to energy generated by utilizing the water pressure differences of different depths of the ocean. In the ocean, as the depth of water increases, so does the water pressure. Ocean pressure differentials can be converted to mechanical or electrical energy by converting the pressure differential between the deep sea water and the surface water. Ocean pressure differentials can have a number of advantages. First, the ocean is one of the largest energy reservoirs worldwide, with a abundance of potential energy. Secondly, after the submarine begins to utilize the ocean pressure difference energy and generates initial motion, the ocean pressure difference energy can be further continuously captured by utilizing the volume change generated by the ocean pressure difference. In addition, the development of land resources can be avoided by utilizing ocean pressure difference, and land use and environmental damage are reduced. However, ocean differential pressure can have many problems similar to ocean thermal energy. The ocean pressure differential can also require reciprocation between the ocean surface and the deep ocean while taking into account the complexity and uncertainty of the ocean environment, and the associated environmental impact. In addition, the ocean temperature difference energy also needs to consider the realization problem of the initial movement of the submersible.
Therefore, the utilization of ocean temperature difference energy and ocean pressure difference energy lacks suitable application scenarios. Aiming at the problem that the submarine is required to capture or utilize ocean temperature difference energy and ocean pressure difference energy in a low-energy consumption mode, the submarine is required to ascend and dive by the mode, the characteristic that the ocean temperature difference energy can generate the volume change of a phase-change material is combined with the action of the ocean pressure difference energy, and the submarine is jointly ascended and dive and power generation and energy supply.
Disclosure of Invention
The invention aims to provide a temperature difference energy-pressure difference energy power generation device for a submersible lifting device, which can enable a phase change material to generate volume change by utilizing ocean temperature difference energy, and can enable the submersible lifting device to generate lifting motion by utilizing the volume change as a power source of the submersible lifting device, and simultaneously can accelerate motion by utilizing ocean pressure difference energy in the lifting motion process.
The temperature difference energy-pressure difference energy power generation device for the submersible vehicle comprises a submersible vehicle lifting bin, a storage Leng Cang and a power generation bin; the lifting and diving bin comprises a U-shaped seawater pipeline, a piston connecting rod and an air bag A; the U-shaped sea water pipeline is arranged in the submerged cabin, the two U-shaped ports are respectively provided with a pressure-sensitive valve A and a pressure-sensitive valve B, and the outer side of the U-shaped sea water pipeline is provided with a phase change material; the piston connecting rod is arranged in a pressure change area, and an air bag A is arranged at the top end of the pressure change area; the power generation bin is provided with a working medium channel A and a working medium channel B which are connected with a hot fluid inlet and a hot fluid outlet in the storage Leng Cang through the working medium channel A and the working medium channel B.
Further, the power generation bin further comprises a warm sea water pump, an evaporator and a power generation turbine; the evaporator is connected with the power generation turbine through a pipeline; the evaporator is provided with a warm sea water pipeline and a warm sea water pump; the evaporator and the power generation turbine are respectively connected with a working medium channel B and a working medium channel A, and a working medium pump is arranged on the working medium channel B.
Further, the working medium in the power generation bin can be an inorganic working medium such as R1234yf, an R32 organic working medium, ammonia or other mixed working medium.
Further, a cold fluid outlet and a cold fluid inlet are also provided on the exterior of the reservoir Leng Cang.
Further, the cold storage bin comprises a top cover, a cold fluid plate, a PCM plate, a hot fluid plate and a cold sea water pump; the cold fluid slab, the PCM slab and the hot fluid slab are all installed at the bottom of the top cover.
Further, the cold fluid plate and the hot fluid plate are designed by adopting semicircular small channels, and the size of the cold fluid plate and the hot fluid plate is in the range of 1000 mu m.
Further, the lifting and diving bin is provided with a plurality of pressure-sensitive valves, the starting pressure of the pressure-sensitive valves is 10.29MPa, when the pressure is 10.29MPa, the device is positioned at the position of 1000m under water, chu Lengcang is started, and the power generation bin is closed.
Further, the gas filled in the pressure change area may be dry air, nitrogen, helium, etc. with a density insensitive to temperature, but is not limited to the above gases.
Further, a storage battery pack is arranged in the power generation bin.
Further, the submersible lifting bin is provided with a plurality of air bags.
The invention has the beneficial effects that:
according to the invention, the ocean temperature difference energy and the ocean pressure difference energy are used as combined driving energy, the energy-electric power conversion is carried out through the organic Rankine cycle turbine generator set, the phase change material is enabled to generate volume change through the ocean temperature difference energy, so that the submersible obtains a power source for the lifting and diving movement, the pressure difference generated by the lifting and diving movement is utilized through the ocean pressure difference energy, the lifting and diving movement of the submersible is further accelerated, and the complexity and the uncertainty of the ocean environment and the related environmental influence are reasonably handled through the artificial control of the submersible. In addition, the invention also innovatively provides a way of utilizing the phase change material to store cold energy as a cold source to provide heat for the circulating working medium, and the way of using the phase change material to provide heat for the circulating working medium omits the traditional way of erecting a long-distance water pipe to convey seawater, and meanwhile, the phase change material is carried by the aid of the lifting and diving motion of the submersible, so that the temperature loss of cold seawater in the conveying process can be greatly reduced, the temperature difference between the cold seawater and the temperature difference between the cold seawater is improved, the power generation capacity of the temperature difference energy is further improved, the cold energy is increased, and the influence of seawater erosion on the water conveying pipeline is eliminated.
The power system combining the ocean temperature difference energy and the ocean pressure difference energy can realize the high-efficiency stable output of power, and the power system with single ocean pressure difference energy can provide a power source during the rising and diving, but needs a primary power to start operation, and the power system with the ocean temperature difference energy can provide the primary power, and simultaneously, the two power systems can jointly play roles to improve the rising and diving movement speed.
The invention adopts the PCM plate to exchange heat with cold sea water on the sea floor, is an efficient energy utilization method, has rich reserve of deep cold sea water, and utilizes the cold sea water to cool and clean and save energy.
The closed turbine power generation thermodynamic cycle configuration provided by the invention uses the warm sea water as a heat source, and the PCM plate is used for storing cold energy on the seabed, so that the closed turbine power generation thermodynamic cycle configuration is a pollution-free power generation mode, and electric energy can be supplied to a submersible warm sea water pump and electric power required by the cold sea water pump and provide power for horizontal running of the submersible, thereby realizing self-sufficiency of operation of the submersible.
Drawings
FIG. 1 shows a thermal energy-differential energy power generation device for a submersible vehicle according to the present invention;
FIG. 2 is a schematic diagram of a differential energy-differential energy ascending and descending warehouse according to the invention;
FIG. 3 is a schematic view of a closed turbine power generation thermodynamic cycle configuration power generation bin of the present invention;
FIG. 4 is a schematic view of the internal configuration of the cold storage bin of the present invention;
FIG. 5 is a schematic view of the cold fluid plate configuration of the cold storage bin of the present invention;
FIG. 6 is a schematic view of the configuration of a PCM slab of the cold storage bin of the present invention;
FIG. 7 is a schematic view of a thermal fluid plate configuration of a cold storage bin of the present invention;
fig. 8 is a schematic view of a condenser Chu Lengcang of the present invention.
In the figure: 1. lifting the submerged cabin; 2. a phase change material; 3. a pressure sensitive valve A; 4. a pressure-sensitive valve B; 5. u-shaped seawater pipeline; 6. a piston connecting rod; 7. an air bag A; 8. a pressure sensitive valve C; 9. a pressure change zone; 10. an air bag B; 11. a pressure sensitive valve D; 12. a power generation bin; 13. a warm sea water pump; 14. an evaporator; 15. a power generation turbine; 16. a working medium channel A; 17. a working medium pump; 18. a working medium channel B; 19. a warm seawater pipeline; 20. a warm seawater outlet; 21. a store Leng Cang; 22. a top cover; 23. cold fluid plate; 24. a PCM plate; 25. a hot fluid plate; 26. a hot fluid outlet; 27. a cold fluid outlet; 28. a hot fluid inlet; 29. a cold fluid inlet.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1, the submersible power generation device comprises a submersible lifting bin 1, a storage Leng Cang and a power generation bin 12, wherein the submersible lifting bin 1, the storage Leng Cang and the power generation bin 12 are fixed in a submersible, the submersible lifting bin 1 provides submersible lifting power for a deep sea-sea surface for the power generation device, the power generation bin 12 adopts a closed turbine power generation thermodynamic cycle to generate power, and the cold storage bin 21 stores cold energy in the deep sea through a solid-liquid phase change solidification process.
As shown in fig. 2, which is a schematic diagram of a temperature difference energy-pressure difference energy submersible lifting bin, the submersible lifting bin 1 comprises a U-shaped seawater pipeline 5, a piston connecting rod 6 and an air bag A7, wherein the U-shaped seawater pipeline 5 is arranged inside the submersible lifting bin 1, two U-shaped ports are respectively provided with a pressure-sensitive valve A3 and a pressure-sensitive valve B4, and the outer side of the U-shaped seawater pipeline 5 is provided with a phase-change material 2; the piston connecting rod 6 is arranged in the pressure change area 9, the top end of the pressure change area 9 is provided with an air bag A7, the submersible pumping chamber 1 is provided with a plurality of air bags and pressure-sensitive valves, the pressure-sensitive valves are started to 10.29MPa, when the pressure is 10.29MPa, the device is positioned at the position of 1000m under water, the cold storage chamber 21 is started, the power generation chamber 12 is closed, the pressure change area) is filled with gas which can be dry air, nitrogen, helium and the like with insensitive density to temperature, but the pressure change area is not limited to the above gases, the submersible pumping chamber 1 adopts the temperature difference energy-pressure difference energy composite power to drive the submersible to pump the submersible, the volume difference of the solid-liquid phase change material in the solidification-melting process can be induced by the ocean temperature difference as the driving force, the volume change in the submersible pumping chamber can be increased by mixing the ocean pressure difference, and the submersible pumping speed can be increased.
As shown in fig. 3, a schematic diagram of a closed turbine power generation thermodynamic cycle configuration power generation bin is shown, wherein the power generation bin 12 comprises a warm sea water pump 13, an evaporator 14, a power generation turbine 15, a working medium channel A16 and a working medium channel B18; the evaporator 14 and the power generation turbine 15 are connected through a pipeline; the evaporator 14 is provided with a warm sea water pipeline 19 and a warm sea water pump 13; the evaporator 14 and the power generation turbine 15 are respectively connected with a working medium channel B18 and a working medium channel A16, a working medium pump 17 is arranged on the working medium channel B18, the working medium in the power generation bin 12 can be R1234yf, an R32 organic working medium, an ammonia and other inorganic working medium or other mixed working medium, the power generation bin 12 adopts closed turbine power generation thermodynamic cycle, the conversion of temperature difference energy-electric energy is realized under the driving of sea surface temperature sea water and a cold source carried by a storage Leng Cang, a storage battery is arranged in the power generation bin 12, a part of electric quantity after the turbine is linked with the power generation of a generator is stored in the storage battery, the storage battery can be used for providing power for a warm sea water pump and a cold sea water pump, and the storage battery can be used for providing power for running in the horizontal direction of the submersible.
As shown in fig. 4-8, the cold storage bin 21 is further provided with a hot fluid outlet 26, a cold fluid outlet 27, a hot fluid inlet 28 and a cold fluid inlet 29, the hot fluid inlet 28 and the hot fluid outlet 26 are respectively connected with the working medium channel a16 and the working medium channel B18, the cold storage bin 21 comprises a top cover 22, a cold fluid plate 23, a PCM plate 24, a hot fluid plate 25 and a cold sea water pump, the cold fluid plate 23, the PCM plate 24 and the hot fluid plate 25 are all arranged at the bottom of the top cover 22, the cold fluid plate 23 and the hot fluid plate 25 are all designed in a semicircular small channel, the size is in a 1000 μm range, the pressure resistance of the cold storage bin 21 is improved, the plates in the Chu Lengcang adopt a multi-layer overlapping structure of cold fluid-phase change material-hot fluid, cold energy is stored in the deep sea through a solid-liquid phase change solidification process, and an intermittent cold source is provided for the power generation bin.
The working process of the invention is described in detail below:
in the shallow sea cruising stage of the submersible, the working medium enters a working medium pump 17 through a working medium channel B18 to be compressed and boosted, a warm sea water pump 13 is opened, the boosted working medium exchanges heat with the inflowing warm sea water in an evaporator 14 and evaporates, the evaporated working medium expands in a power generation turbine 15 to do work for power generation, and the working medium with low pressure steam enters a condenser through a working medium channel A16 to be condensed.
In the diving stage of the submersible, the submersible is positioned in shallow sea, the pressure-sensitive valve A3 and the pressure-sensitive valve B4 are closed, warm sea water exchanges heat with the phase-change material 2 through the U-shaped sea water pipeline 5, the phase-change material 2 is melted and expanded, the volume is increased, the piston connecting rod 6 moves rightwards, the volume of the pressure change area 9 is increased, the pressure is reduced, the pressure-sensitive valve 8 is opened, the volume of the air bag A7 is reduced, the submersible begins to sink, after the submersible begins to sink, the sea water pressure is increased, the pressure-sensitive valve 11 is opened, the volume of the air bag B10 is reduced, the buoyancy is further reduced, and the sinking speed is accelerated.
In the deep sea cruising stage of the submersible, cold sea water enters the cold storage bin 21, heat exchange is carried out between the cold fluid plate 23 and the PCM plate 24, the PCM plate 24 stores cold energy, and when the submersible is at sea level, the power generation thermodynamic cycle in the power generation bin 12 starts to run, the hot fluid flows into the hot fluid plate 25, the hot fluid exchanges heat with the PCM plate 24, and after being condensed, the hot fluid flows back to the power generation bin 12 through the working medium channel B18 to continue the Rankine cycle power generation.
In the floating stage of the submersible, the pressure-sensitive valve A3 and the pressure-sensitive valve B4 are opened, cold sea water exchanges heat with the phase-change material 2 through the U-shaped sea water pipeline 5, the phase-change material 2 is solidified and contracted, the volume is reduced, the piston connecting rod 6 moves leftwards, the volume of the pressure change area 9 is reduced, the pressure is increased, the pressure-sensitive valve 8 is opened, the volume of the air bag A7 is increased, the submersible starts to rise, after the submersible starts to rise, the sea water pressure is reduced, the pressure-sensitive valve 11 is opened, the volume of the air bag B10 is expanded, the buoyancy is further increased, and the rising speed is accelerated.
The temperature difference energy-pressure difference energy power generation device for the ascending and diving type submersible machine achieves the aim of capturing electric energy for long-time-sequence underwater working equipment through the round trip process of shallow sea cruising, diving-deep sea cruising and floating.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The temperature difference energy-pressure difference energy power generation device for the submersible vehicle is characterized by comprising a submersible vehicle cabin (1), a storage Leng Cang (21) and a power generation cabin (12); the lifting and diving bin (1), the storage Leng Cang (21) and the power generation bin (12) are arranged inside the submersible; the lifting and diving bin (1) comprises a U-shaped seawater pipeline (5), a piston connecting rod (6) and an air bag A (7); the U-shaped sea water pipeline (5) is arranged in the submerged cabin (1), two U-shaped ports are respectively provided with a pressure-sensitive valve A (3) and a pressure-sensitive valve B (4), and the outer side of the U-shaped sea water pipeline (5) is provided with a phase change material (2); the piston connecting rod (6) is arranged in a pressure change area (9), and an air bag A (7) is arranged at the top end of the pressure change area (9); the power generation bin (12) is provided with a working medium channel A (16) and a working medium channel B (18), and is connected with a hot fluid inlet (28) and a hot fluid outlet (26) in Chu Lengcang (21) through the working medium channel A (16) and the working medium channel B (18).
2. The thermal energy-differential energy power generation device for a submersible as claimed in claim 1, wherein the power generation bin (12) further comprises a warm sea water pump (13), an evaporator (14) and a power generation turbine (15); the evaporator (14) is connected with the power generation turbine (15) through a pipeline; the evaporator (14) is provided with a warm sea water pipeline (19) and a warm sea water pump (13); the evaporator (14) and the power generation turbine (15) are respectively connected with a working medium channel B (18) and a working medium channel A (16), and a working medium pump (17) is arranged on the working medium channel B (18).
3. The temperature difference energy-pressure difference energy power generation device for the ascending and descending type submersible according to claim 1, wherein the working medium in the power generation bin (12) can be an inorganic working medium such as R1234yf, R32 organic working medium, ammonia or other mixed working medium.
4. The device according to claim 1, wherein the reservoir Leng Cang (21) is further provided with a cold fluid outlet (27) and a cold fluid inlet (29) on the outside.
5. The thermal energy-differential energy power generation device for a submersible as recited in claim 4, wherein the interior of the reservoir Leng Cang (21) comprises a top cover (22), a cold fluid plate (23), a PCM plate (24), a hot fluid plate (25) and a cold sea water pump; the cold fluid plate (23), the PCM plate (24) and the hot fluid plate (25) are all arranged at the bottom of the top cover (22).
6. The device according to claim 5, wherein the cold fluid plate (23) and the hot fluid plate (25) are each designed as semi-circular small channels with dimensions in the range of 1000 μm.
7. The device for generating electricity by using temperature difference energy and pressure difference energy for a submersible lifting device according to claim 6, wherein the submersible lifting bin (1) is provided with a plurality of pressure-sensitive valves, the starting pressure of the pressure-sensitive valves is 10.29MPa, when the pressure is 10.29MPa, the device is positioned at a position of 1000m under water, chu Lengcang (21) is started, and the electricity generating bin (12) is closed.
8. The device according to claim 7, wherein the gas filled in the pressure change area (9) is dry air, nitrogen, helium, etc. with a density insensitive to temperature, but not limited to the above gases.
9. The temperature difference energy-pressure difference energy power generation device for the ascending and descending type submersible according to claim 8, wherein a storage battery is installed in the power generation bin (12).
10. The thermal energy-differential energy power generation device for a submersible as recited in claim 9, wherein the submersible as recited in claim 1 is provided with a plurality of air bags.
CN202311637687.5A 2023-12-01 2023-12-01 Temperature difference energy-pressure difference energy power generation device for ascending and descending type submersible Pending CN117889055A (en)

Priority Applications (1)

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CN202311637687.5A CN117889055A (en) 2023-12-01 2023-12-01 Temperature difference energy-pressure difference energy power generation device for ascending and descending type submersible

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CN202311637687.5A CN117889055A (en) 2023-12-01 2023-12-01 Temperature difference energy-pressure difference energy power generation device for ascending and descending type submersible

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CN117889055A true CN117889055A (en) 2024-04-16

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