CN115163450B - Gas compression device, compression method, power generation method and application thereof in wind wave power generation - Google Patents

Gas compression device, compression method, power generation method and application thereof in wind wave power generation Download PDF

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Publication number
CN115163450B
CN115163450B CN202210558823.0A CN202210558823A CN115163450B CN 115163450 B CN115163450 B CN 115163450B CN 202210558823 A CN202210558823 A CN 202210558823A CN 115163450 B CN115163450 B CN 115163450B
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China
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cavity
air outlet
air
compressed
ball
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CN115163450A (en
Inventor
施伟
李昕
王文华
赵海盛
张礼贤
付杰
田忠梅
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Dalian University of Technology
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Dalian University of Technology
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Classifications

    • 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
    • F04B23/00—Pumping installations or systems
    • F04B23/04—Combinations of two or more pumps
    • F04B23/06—Combinations of two or more pumps the pumps being all of reciprocating positive-displacement type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • 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
    • F03B13/16—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 relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
    • F03B13/18—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 relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore
    • F03B13/1885—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 relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is tied to the rem
    • F03B13/189—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 relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is tied to the rem acting directly on the piston of a pump
    • 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
    • F03B13/24—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 to produce a flow of air, e.g. to drive an air turbine
    • 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
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/065—Rotors characterised by their construction elements
    • 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
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
    • 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
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • 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
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • 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
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
    • 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
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
    • F04B39/0022—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons piston rods
    • 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
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/10—Adaptations or arrangements of distribution members
    • 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
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/10—Adaptations or arrangements of distribution members
    • F04B39/1006—Adaptations or arrangements of distribution members the members being ball valves
    • 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
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/122—Cylinder block
    • 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
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/08—Regulating by delivery pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B63B2035/4433—Floating structures carrying electric power plants
    • B63B2035/446—Floating structures carrying electric power plants for converting wind energy into electric energy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B63B2035/4433—Floating structures carrying electric power plants
    • B63B2035/4466—Floating structures carrying electric power plants for converting water energy into electric energy, e.g. from tidal flows, waves or currents
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2220/00—Application
    • F05B2220/70—Application in combination with
    • F05B2220/706—Application in combination with an electrical generator
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

A gas compression device, a compression method, a power generation method and application thereof in wind wave power generation. The utility model belongs to the renewable energy utilization field at sea, in order to solve wave energy make full use of's problem, the main points are including a pump package, and the pump package includes first piston pump and second piston pump, and first piston pump is located the top of second piston pump, and the first chamber of each piston pump is located the top of second chamber, and the effect has improved wave energy utilization efficiency.

Description

Gas compression device, compression method, power generation method and application thereof in wind wave power generation
The application relates to a split application of application number 202110961320.3, application days 2021-08-20 and the application name of an oscillating float type wave energy power generation device, an oscillating float type wave energy power generation method and a wind and wave energy combined power generation system.
Technical Field
The application belongs to the field of offshore renewable energy utilization, and relates to a novel wind and wave energy combined power generation system based on a semi-submerged floating platform, which combines wind power generation and an oscillation float type wave energy device based on the semi-submerged floating platform.
Background
With the exhaustion of fossil energy and the increasing problem of global warming environment, clean marine renewable energy sources such as wind energy, wave energy, tidal energy, and the like are becoming research hotspots. The offshore wind power generation field is developed rapidly, and the offshore wind power generation field becomes the energy with the fastest development of ocean renewable energy. With the rapid development of offshore wind power technology, offshore fans are larger and larger in scale and are farther and farther away from the coast, so that the semi-submerged floating platform becomes a research hotspot. Wave energy is a huge energy, but the energy conversion efficiency is low, the unit power generation cost is high, and the commercialization of the wave energy is limited to a certain extent. In order to effectively utilize the marine renewable energy sources, the two devices are combined through the shared space, the supporting structure and the power transmission infrastructure, so that the cost of the devices can be effectively reduced, and the utilization efficiency of the marine renewable energy sources can be improved.
Disclosure of Invention
In order to solve the problem of full utilization of wave energy, the application provides the following technical scheme: the air compression device comprises a pump set, the pump set comprises a first piston pump and a second piston pump, the first piston pump is located above the second piston pump, the cavity of the first piston pump is divided into a first cavity and a second cavity by a partition board, the two cavities are communicated with each other at the rear part of the cavity, a piston rod is installed in the first cavity, the cavity of the second piston pump is divided into the first cavity and the second cavity by the partition board, the two cavities are communicated with each other at the rear part of the cavity, the piston rod is installed in the second cavity, the first cavity of each piston pump is located above the second cavity, air pressure control is installed at the front parts of the first cavity and the second cavity, the air pressure control is configured to close an air inlet of the cavity where the air pressure control is located and the outside air is communicated when the air pressure control of the other cavity is located is compressed, the air outlet control is formed to open an air outlet of the air outlet device when the air in the cavity is compressed, and the air outlet of the air outlet device is closed, and the air outlet of the air outlet device is communicated with the other cavity is closed.
The application has the beneficial effects that: the novel piston pump is adopted in the application, and the piston pump can act on the turbine generator to spray compressed air to drive the blades of the turbine generator to rotate so as to generate electricity no matter the floater ascends or descends, so that the wave energy utilization efficiency is improved.
Drawings
FIG. 1 is a schematic perspective view of a wind and wave energy cogeneration system based on a semi-submersible.
Fig. 2 is a side view of fig. 1.
Fig. 3 is a schematic diagram of an oscillating buoy type wave power generation device.
Fig. 4 is a schematic diagram of the working principle of the piston pump.
Fig. 5 is a schematic diagram of the internal structure of the air pressure control.
Fig. 6 is a schematic diagram of the internal structure of the air outlet control.
In the figure: 1. an offshore wind power generator; 2. a tower; 3. a buoyancy tank; 4. an oscillating float type wave energy power generation device; 5. a column; 6. a heave plate; 7. an anchor chain; 8. an outside air outlet; 9. a turbine generator; 10. a central gas delivery port of the piston pump; 11. an external air inlet; 12. an air pressure control; 13. a gas outlet control; 14. a piston pump; 15. a piston rod; 16. a fixed pivot; a t-bar; 18. oscillating the float; 19. a turbine generator chamber; 20. the device comprises an air chamber, a first cavity, a second cavity, a partition plate, a hollow cylinder, a bottom opening, a ball cage, a pressure-controlled ball, an arc-shaped cage and an air outlet ball, wherein the air chamber, the first cavity, the second cavity, the partition plate, the hollow cylinder, the bottom opening, the ball cage, the pressure-controlled ball, the arc-shaped cage and the air outlet ball.
Detailed Description
The following describes the embodiments of the present application further with reference to the drawings and technical schemes. In one embodiment, as shown in fig. 3, an oscillating buoy type wave power generation device 4 comprises a turbine generator, a turbine generator chamber 19, an air chamber 20 and an oscillating buoy 18, wherein the turbine generator chamber 19 carries the turbine generator, the air chamber 20 carries a gas compression device, compressed gas generated by the gas compression device is supplied to the turbine generator chamber 19 to drive turbine generator blades to rotate, and the oscillating buoy 18 floats in a water area and applies energy stored in the floating state to the gas compression device to compress and supply the gas.
In one solution, as shown in fig. 4, the air compression device is a piston pump 14, the cavity of the piston pump 14 is divided into a first cavity 21 and a second cavity 22 by a partition 23, the two cavities are communicated at the rear part of the cavity, a piston rod 15 is installed in only one cavity, the first cavity 21 is located above the second cavity 22, an air pressure control 12 is installed at the front part of the first cavity 21 and the second cavity 22, an air outlet control 13 is installed at the front part of the first cavity 21 and the second cavity 22, the air pressure control 12 is configured such that when the air in the cavity is compressed, the air pressure control 12 closes an air inlet in which the cavity is communicated with the outside air, and the air pressure control 12 in the other cavity opens an air inlet in which the cavity is communicated with the outside air, the air outlet control 13 is configured such that when the air in the cavity is compressed, the air outlet in the one cavity is opened, the air outlet in which the cavity is communicated with the air outlet device is closed, the oscillating floater 18 is hinged to a connecting part, and the connecting part is connected with the piston rod 15. The device is used as an independent scheme, the problem of compression injection limitation is solved, and the gas compression device realizes that any piston rod can inject compressed gas by pushing forward or pulling backward in any cavity.
In one version, as shown in fig. 5, the air pressure control 12 is a hollow cylinder 24, a bottom opening 25 at the front end of the cylinder, a bottom opening 25 at the rear end of the cylinder, and a cage 26 formed from the opening to the outside, a pressure-controlled ball 27 moving back and forth in the hollow of the cylinder and configured to move toward the bottom opening 25 at the front end when air in a cavity of the piston pump 14 is compressed, blocking the bottom opening 25 from closing, isolating the cavity from the outside air; and moves toward the bottom surface opening 25 of the rear end and is positioned in the ball cage 26 when the air in the other chamber of the piston pump 14 is compressed and when the air in the one chamber is not compressed, so that the one chamber communicates with the outside air and the outside air is introduced into the one chamber. The cage 26 may be understood as a ball that falls into the cage 26, but does not completely block the void on the cage 26 that communicates with the cavity, and the ball may move back out of the cage 26 into the hollow cylinder 24.
In one embodiment, as shown in fig. 6, the air outlet control 13 is a cage, the upper and lower ends of the cage correspond to the upper and lower chambers of the piston pump 14, and the air outlet ball 29 moving up and down in the cage is configured to move from one end of the cage corresponding to one chamber to the other end of the cage corresponding to the other chamber when air in the one chamber of the plug pump is compressed, so that the air outlet ball 29 is separated from the air outlet of the one chamber, which is communicated with the air outlet device, to open the air outlet of the one chamber, which is communicated with the air outlet device, and contacts the air outlet of the other chamber, which is communicated with the air outlet device, to close the air outlet of the other chamber, which is communicated with the air outlet device.
In one version, as shown in fig. 6, the cage is an arc-shaped cage 28, the arc-shaped portion is located between the upper portion of the cage and the lower portion of the cage, the arc-shaped cage 28 is installed in an air outlet device, and the air outlets of the front portions of the first chamber 21 and the second chamber 22 of the piston pump 14 are sealed therein by the air outlet device, so that the air outlets can only communicate with the outside air through the air outlet device. The arcuate cage 28 may be understood as having an arcuate path to allow movement of the balloon and the cage itself has a void in communication with the exterior.
In this embodiment, a power generation method is provided, the oscillating buoy 18 floats up or down in the water area to cause the piston pump 14 to push forward or pull backward, so that the gas in one cavity is compressed, the pressure-controlled sphere 27 of the air pressure control 12 of the compressed gas cavity moves forward and is located in the bottom opening 25 of the front end of the hollow cylinder 24, so that the air in the compressed gas cavity cannot be discharged through the bottom opening 25 of the front end, the air outlet sphere 29 of the air outlet control 13 moves to the air outlet of the front part of the non-compressed air cavity and seals the air outlet, so that the compressed air is sprayed from the air outlet of the front part of the compressed air cavity to push the blades of the turbine generator to rotate and generate power, and the pressure-controlled sphere 27 of the air pressure control 12 of the non-compressed air cavity moves backward and is located in the ball cage 26 of the hollow cylinder 24, so that the external air is introduced into the non-compressed air cavity.
The compression injection process of the gas compression device described by the above device or method mainly comprises four forms:
the piston rod 15 is installed in the first cavity 21, when the piston rod 15 is pulled backwards, the pressure-controlled sphere 27 of the air pressure control 12 of the first cavity 21 moves backwards and is positioned in the ball cage 26 of the hollow cylinder 24, and external air is introduced into the first cavity 21; the second cavity 22 is communicated with the first cavity 21 at the rear part, when the piston rod 15 is pulled backwards, air in the second cavity 22 is compressed, the pressure-controlled ball 27 of the air pressure control 12 of the second cavity 22 moves forwards and is located at the bottom opening 25 of the front end of the hollow cylinder 24, so that the air in the second cavity 22 cannot be discharged outside through the bottom opening 25 of the front end, the second cavity 22 corresponds to the lower end of the air outlet control 13, the air outlet ball 29 located at the lower end of the air outlet control 13 is pushed upwards by compressed air, the air outlet of the second cavity 22 and the air outlet communicated with the air outlet device are separated, the air outlet of the second cavity 22 and the air outlet communicated with the air outlet device are opened, the air outlet of the first cavity 21 and the air outlet communicated with the air outlet device are closed by contact of the air outlet ball 29 and the air outlet communicated with the air outlet device of the first cavity 21, compressed air can be sprayed only through the air outlet of the second cavity 22, and no air can enter the first cavity 21 through the air outlet device.
The piston rod 15 is installed in the first cavity 21, when the piston rod 15 is pushed forward, the first cavity 21 is communicated with the second cavity 22 at the rear part, the pressure-controlled ball 27 of the air pressure control 12 of the second cavity 22 moves backwards and is positioned in the ball cage 26 of the hollow cylinder 24, and external air is introduced into the second cavity 22; when the piston rod 15 is pushed forward, the air in the first cavity 21 is compressed, the pressure-controlled ball 27 of the air pressure control 12 of the first cavity 21 moves forward and is located at the bottom opening 25 of the front end of the hollow cylinder 24, so that the air in the first cavity 21 cannot be discharged outside through the bottom opening 25 of the front end, the first cavity 21 corresponds to the lower end of the air outlet control 13, the air outlet ball 29 located at the upper end of the air outlet control 13 is pushed downward by compressed air, the air outlet of the air outlet ball 29 and the air outlet of the first cavity 21, which is communicated with the air outlet device, are separated, so that the air outlet of the first cavity 21 and the air outlet of the air outlet device are opened, the air outlet ball 29 and the air outlet of the second cavity 22, which is communicated with the air outlet device, are contacted, so that the air outlet of the second cavity 22 and the air outlet device are closed, and the compressed air can only be sprayed through the air outlet of the first cavity 21, and no air can enter the second cavity 22 through the air outlet device.
The piston rod 15 is installed in the second cavity 22, when the piston rod 15 is pushed forward, the pressure-controlled sphere 27 of the air pressure control 12 of the first cavity 21 moves backward and is positioned in the ball cage 26 of the hollow cylinder 24, and the outside air is introduced into the first cavity 21; the second cavity 22 is communicated with the first cavity 21 at the rear part, when the piston rod 15 is pushed forward, air in the second cavity 22 is compressed, the pressure-controlled ball 27 of the air pressure control 12 of the second cavity 22 moves forward and is positioned at the bottom opening 25 of the front end of the hollow cylinder 24, so that the air in the second cavity 22 cannot be discharged outside through the bottom opening 25 of the front end, the second cavity 22 corresponds to the lower end of the air outlet control 13, the air outlet ball 29 positioned at the lower end of the air outlet control 13 is pushed upwards by compressed air, the air outlet of the second cavity 22 is separated from the air outlet of the second cavity 22, which is communicated with the air outlet device, to open the air outlet of the second cavity 22, which is communicated with the air outlet device, and the air outlet of the first cavity 21 is closed by contact of the air outlet ball 29 with the air outlet of the first cavity 21, so that compressed air can be sprayed only through the air outlet of the second cavity 22, and no air can enter the first cavity 21 through the air outlet device.
The piston rod 15 is installed in the second cavity 22, when the piston rod 15 is pulled backwards, the first cavity 21 is communicated with the second cavity 22 at the rear part, the pressure-controlled ball 27 of the air pressure control 12 of the second cavity 22 moves backwards and is positioned in the ball cage 26 of the hollow cylinder 24, and external air is introduced into the second cavity 22; when the piston rod 15 is pulled back, the air in the first cavity 21 is compressed, the pressure-controlled ball 27 of the air pressure control 12 of the first cavity 21 moves forward and is located at the bottom opening 25 of the front end of the hollow cylinder 24, so that the air in the first cavity 21 cannot be discharged outside through the bottom opening 25 of the front end, the first cavity 21 corresponds to the lower end of the air outlet control 13, the air outlet ball 29 located at the upper end of the air outlet control 13 is pushed downward by compressed air, the air outlet of the air outlet ball 29 and the air outlet of the first cavity 21, which is communicated with the air outlet device, are separated, so that the air outlet of the first cavity 21 and the air outlet of the air outlet device are opened, the air outlet ball 29 and the air outlet of the second cavity 22, which is communicated with the air outlet device, are contacted, so that the air outlet of the second cavity 22 and the air outlet device are closed, and the compressed air can only be sprayed through the air outlet of the first cavity 21, and no air can enter the second cavity 22 through the air outlet device.
In another embodiment, the gas compression means comprises more than two piston pumps 14.
In particular, in a preferred embodiment of this embodiment, the gas compression device includes a pump unit including a first piston pump 14 and a second piston pump 14, the first piston pump 14 is located above the second piston pump 14, the first piston pump 14 is divided into a first chamber 21 and a second chamber 22 by a partition 23, the first chamber 21 is provided with a piston rod 15, the second piston pump 14 is divided into a first chamber 21 and a second chamber 22 by a partition 23, the second chamber 22 is provided with a piston rod 15, the first chamber 21 of each piston pump 14 is located above the second chamber 22, the first chamber 21 and the second chamber 22 are provided with a gas pressure control 12, the first chamber 21 and the second chamber 22 are provided with a gas pressure control 13, the gas pressure control 12 is configured such that when the air in the chamber is compressed, the gas pressure control 12 closes the gas inlet of the chamber communicating with the outside air, the gas inlet of the other chamber is opened, the chamber 12 of the gas inlet of the other chamber communicating with the outside air outlet is opened, the first chamber 21 and the gas outlet of the other chamber communicating with the gas outlet of the other device is opened, and the gas outlet of the other chamber communicating with the other device is opened.
In one of the preferred aspects of this embodiment, the oscillating buoy 18 is connected to the gas compression device through a connection portion, the connection portion includes a vertical portion and a horizontal portion connected to the vertical portion, the rear end portion of the piston rod 15 of the first piston pump 14 is connected to the upper end of the vertical portion of the connection portion, the rear end portion of the piston rod 15 of the second piston pump 14 is connected to the lower end of the vertical portion of the connection portion, the oscillating buoy 18 is hinged to the horizontal portion, the rising and falling of the oscillating buoy 18 are transmitted to the two piston rods 15 of the gas compression device through the connection portion, so that the two piston rods 15 have different movement tendencies of pushing forward and pulling backward in one movement tendency of the oscillating buoy 18, and the injection pipes of the gas outlet device of the first piston pump 14 and the second piston pump 14 are both in a gas compression state and inject compressed gas, and the injection pipes of the gas outlet device of the second piston pump 14 are straight-caliber injection pipes, and the injection pipes of the gas outlet device of the second piston pump 14 are bent-caliber injection pipes of the upper parts.
In this embodiment, a plurality of piston pumps 14, i.e., more than two piston pumps 14, may be arranged side by side up and down, and this embodiment describes two piston pumps 14, with the piston rods 15 in both the first piston pump 14 and the second piston pump 14 having a piston rod 15 in only one chamber, in one arrangement the piston rods 15 of each piston pump 14 being mounted in either the first chamber 21 or the second chamber 22, i.e., two piston rods 15 being mounted in the same stage chamber, and in another arrangement two piston rods 15 being mounted in one of the first chamber 21 and the other in the second chamber 22, i.e., two piston rods 15 being mounted in different stages of chambers. As can be seen from the above description, in the present embodiment, no matter how the piston rod 15 is installed in any piston cavity, and no matter how the piston rod 15 is pushed forward or pushed backward, two cavities, namely, a compression cavity and a non-compression cavity, can be necessarily implemented for one piston pump 14, the compression cavity can necessarily cause compressed air injection, that is, no matter how the oscillating floater 18 floats up or descends, the compressed air injection can be caused by the compression cavity, therefore, when more than two piston pumps 14 are arranged side by side, the piston rods 15 of the piston pumps 14 are located in the same-level cavities or different-level cavities, the compressed air can be synchronously discharged, and the use of multiple piston pumps 14 can perform compressed air injection under the action of one wave, so as to provide injection efficiency and wave energy utilization efficiency.
As for the structure of the different stage piston pump 14 shown in fig. 4, it is particularly understood that the piston rod 15 of the first piston pump 14 is provided as the stage piston rod 15, or the piston rod 15 of the first piston pump 14 is provided as the piston rod 15 of the second chamber 22, the piston rod 15 of the second piston pump 14 is provided as the piston rod 15 of the first chamber 21, the vertical distance difference between the two piston rods 15 is smaller, and the larger distance difference can generate larger distance for forward pushing or backward pulling, so that the wave energy utilization effect is improved.
In one embodiment, as shown in fig. 1, a wind and wave energy combined power generation system based on a semi-submerged platform is provided, and the wind and wave energy combined power generation system comprises a marine wind power device and an oscillation floater 18 type wave energy power generation device 4, wherein the marine wind power device comprises a marine wind power generator 1, a tower 2 and a semi-submerged platform, the marine wind power generator 1 is installed at the top end part of the tower 2, the semi-submerged platform comprises a buoyancy tank 2, a stand column 5, a heave plate 6 and an anchor chain 7, the buoyancy tank 2 is supported by the stand column 5, the bottom end part of the stand column 5 is installed on the heave plate 6, the stand column 5 is connected with the anchor chain 7, the heave plate 6 and the anchor chain 7 are installed on a seabed, a plurality of buoyancy tanks 2 are connected to form a platform for supporting the tower 2, the oscillation floater 18 type wave energy power generation device 4 is installed in the buoyancy tank 2, and the oscillation floater 18 floats in a water area. As a preferred solution, the oscillating buoy 18 type wave power device 4 may be the device described in any of the above embodiments.
The upright post semi-submerged floating platform has the advantages of simple structure, convenient construction, lower installation cost and wide applicable water depth range. According to the application, the offshore wind power and the wave energy power generation device are combined, and the overall power generation power of the system is improved and the investment cost is reduced through the shared space, the supporting structure, the power transmission equipment and other basic equipment. The circumferentially symmetrical distribution of the wave energy device improves the stability of the system. The wave energy device adopts the novel piston pumps, takes air as a piston medium to compress, adopts two piston pumps to output unidirectional air flow to drive the turbine generator to generate power, and can act to generate power no matter the floats are lifted and sunk, so that the wave energy utilization efficiency is greatly improved. The novel wind and wave energy integrated power generation system based on the semi-submerged floating platform improves the effective utilization rate of the deep sea area, reduces the construction cost and the maintenance cost, fully utilizes the existing mature fan technology, integrates the oscillation float type wave energy device with higher energy conversion rate, higher commercial economy and higher actual use value, promotes the commercialization application of the wave energy device, and is a reliable deep sea renewable energy power generation platform.
In one embodiment, in order to more effectively utilize renewable energy resources stored in the ocean, the application provides a wind and wave energy combined power generation system based on a semi-submerged floating platform, a combined power generation system integrating wind power generation and wave energy power generation is established by utilizing the semi-submerged floating platform, the utilization efficiency of renewable energy resources at sea is effectively improved, engineering cost is reduced, the overall economy of an offshore wind farm is improved, and the application of the renewable energy resources at sea is effectively promoted through infrastructure such as shared space, supporting structures, power transmission and the like.
As shown in fig. 1, a novel wind and wave energy combined power generation system based on a semi-submerged floating platform comprises an offshore wind power device and an oscillation float type wave energy power generation device 4; the offshore wind power device comprises an offshore wind power generator 1, a tower drum 2 and a four-column semi-submerged floating platform; the four-column semi-submerged floating platform comprises a floating box 3, columns 5, heave plates 6 and anchor chains 7;
the oscillating floater type wave energy power generation device 4 is arranged in the buoyancy tank 3 and fixedly arranged on the upright post 5; the oscillating buoy type wave energy power generation device 4 comprises an external air outlet 8, a turbine generator 9, a piston pump central air delivery port 10, an external air inlet 11, an air pressure control 12, an air outlet control 13, a piston pump 14, a piston rod 15, a fixed pivot 16, a T-shaped rod 17 and an oscillating buoy 18; the external air outlet 8 is positioned at the upper center of the buoyancy tank 3 and is used for discharging air in the turbine generator chamber and keeping the balance of internal pressure and external pressure; the two central air delivery ports 10 of the piston pump are arranged at the left side of the piston pump 14 and used for outputting air, and meanwhile, the lower air delivery port adopts an arc-shaped bent port design, so that the air flow of the two air delivery ports generates the same directional force to the air turbine generator, the turbine generator is ensured to turn consistently, the turbine generator 9 is pushed to rotate for power generation, and the mechanical energy is converted into electric energy. Meanwhile, two air outlet controls 13 are arranged in the central air delivery port 10 of the piston pump and used for guiding out compressed air in different piston chambers, an arc-shaped chute is arranged in the air delivery port, and when the compressed air in the piston chambers flows out, small balls are extruded and slide to the other end along the arc-shaped chute; an external air inlet 11 is arranged at the top of the buoyancy tank 3, and is connected with the turbine generator chamber and the outside for introducing external air into the turbine generator chamber; the air pressure control 12 is also arranged at the left side of the piston pump 14 and is used for introducing external air into the piston chamber to keep the pressure balance in the chamber, and the air inlet valve is only designed to be capable of inlet air and not capable of discharging air, so that the air inlet valve is a one-way air inlet valve; the piston rod 15 is positioned in one piston chamber of the piston pump 14, and horizontally reciprocates in the piston chamber to compress gas and guide out gas flow; the external air outlet 8, the turbine generator 9, the central air delivery port 10 of the piston pump, the external air inlet 11, the air pressure control 12, the air outlet control 13, the piston pump 14 and the piston rod 15 form a turbine generator chamber 19; the piston rod 15 and the fixed pivot 16 are connected with a T-shaped rod 17 in a hinged manner, and the T-shaped rod 17 is hinged with an oscillating floater 18; when the wind and wave energy combined power generation system is used, the wind and wave energy combined power generation system is placed in a water area, the oscillating floater 18 moves up and down under the action of waves, the T-shaped rod 17 is driven to rotate around the fixed pivot 16, the connected piston rod 15 moves in a reciprocating mode, air of the piston pump 14 in the turbine generator chamber 19 is compressed, air flow is led out to the central air delivery port 10 of the piston pump, the air turbine generator 9 is driven to generate power, and the wave energy is successfully converted into mechanical energy and then into electric energy.
The central air delivery port 10 of the piston pump adopts a conical air outlet, so that the pressure intensity at the tail end of the air flow is increased, the air turbine generator 9 is pushed to rotate faster, and the power generation efficiency is improved.
The air pressure control 12 and the air outlet control 13 are internally provided with floating balls, so that the air pressure control is used as a valve, when the piston rod 15 moves horizontally to the right, due to air pressure difference, the balls are pressed into the bottom of a channel of the air pressure control 12 while air is pressed into the piston chamber, and the bottom is designed into a net-shaped circular ring with the diameter larger than that of the balls, so that the air can smoothly flow in and cannot be blocked by the balls; the ball in the air inlet valve of the other piston chamber is blown to the top, the air outflow is closed, the air is guided into the air outlet control 13, the ball in the air outlet control 13 is blown to the other end through the arc chute, and the air flow flows out to the central air delivery port 10 of the piston pump. The above-mentioned one-time gas-conveying process of a single piston pump is completed, when the pistons do opposite movement, the above-mentioned movement processes are opposite.
The piston rod 15 and the fixed pivot 16 are connected with the T-shaped rod 17 and the oscillating floater 18 through a hinge, and the conventional mechanical connection mode is adopted to convert the heave motion of the oscillating floater into the horizontal motion of the piston, so that the wave energy is simply and efficiently converted into mechanical energy.
The application relates to a wind and wave energy combined power generation system based on a semi-submerged floating platform. The turbine generator chamber adopts two piston pumps, fully utilizes the inner space of the buoyancy tank, greatly improves the wave energy capturing efficiency, and simultaneously adopts the oscillating float type wave energy generating device with higher energy conversion rate, so that the two are reasonably integrated, and the turbine generator chamber has higher commercial economy and practical use value.
The application adopts the semi-submersible platform with four upright posts and four buoyancy tanks, and the lower parts of the upright posts are connected with the heave plates, thereby increasing the buoyancy and simplifying the construction process. Compared with the traditional three-upright-column semi-submersible fan, the area of the water plane is increased, so that the stability moment of inertia is also larger, and the overall stability of the floating foundation is improved.
The wind and wave energy combined power generation system based on the semi-submerged floating platform is characterized in that the oscillating floater type wave energy power generation devices are respectively integrated on each buoyancy tank of the semi-submerged floating platform, namely, each set of integrated system comprises four wave energy power generation devices, so that the utilization efficiency of wave energy can be effectively improved, and the cost is reduced.
The offshore wind turbine 1 is arranged on a tower 2, and a semi-submersible platform consisting of a buoyancy tank 3, a stand column 5 and a heave plate 6 is used for supporting the tower and is connected with the seabed through an anchor chain 7. Wind flows through the blades of the offshore wind turbine 1, drives the blades to perform rotary motion, converts wind energy into mechanical energy, and finally converts the mechanical energy into electric energy through a gear box. On the other hand, under the action of the waves, the oscillating floater 18 performs heave motion to drive the T-shaped rod 17 to rotate around the fixed pivot 16, and the piston rod 15 hinged to the T-shaped rod 17 is driven to perform horizontal reciprocating motion in the piston pump 14 to drive the air turbine generator 9 to generate electricity. The application adopts two piston pumps, greatly improves the wave energy capturing efficiency, can continuously generate electric energy when the floater moves up and down, and has better continuity and better practical value.
The combined power generation method comprises the following steps: the offshore wind power generator 1 generates electric energy under the action of wind power, and the electric energy is transmitted to a power grid through a transmission system for land users to use; converting the heave motion of the oscillating floater 18 into the horizontal reciprocating motion of the piston rod 15 in the piston pump 14 through the T-shaped rod 17, and when the floater sinks, as shown in fig. 3, the piston rod 15 moves rightwards in the first piston pump at the upper part, compressed gas flows into a piston chamber without the piston rod through the air pressure control 12, the pressure-controlled ball of the air pressure control 12 is blown to the top of the air inlet valve, the air inlet valve is closed, the gas flows into the air outlet control 13 and finally flows out to the central air delivery port 10 of the piston pump, the air turbine generator is driven to generate electricity, air is output through the external air outlet 8, and the pressure balance of the turbine generator chamber is kept; the piston movement of the lower piston pump is opposite to that of the first piston pump, the piston rod moves leftwards, compressed air flows to the air outlet control, finally flows to the central air delivery port, the air turbine generator is driven to generate electricity, and air flows in through the air inlet valve in a piston chamber without the piston. When the float rises, the movement process is reversed from when the float sinks. The floater performs heave motion in this way, and the two piston pumps jointly drive the air turbine generator to generate power, so that wave energy is converted into mechanical energy and then into electric energy.
Therefore, the four-column type semi-submerged floating fan adopted by the application has the advantages of simple structure, convenient installation and construction, wide applicable water depth range and lower cost; the wind power generation and the wave power generation are completed on the same supporting structure, so that the wind power generation and the wave power generation share a supporting platform and an electric power transmission matching system, and the adopted oscillating floater wave power device has high energy conversion efficiency and high practical value, so that the investment and construction cost is greatly reduced; the two piston pumps taking air as a piston medium are innovatively adopted, so that the capturing efficiency of wave energy is greatly improved, the structure is simple and reasonable, the feasibility of the application is further proved, and the application has remarkable technical effects.
While the application has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the application as defined by the appended claims.

Claims (8)

1. A gas compression device is characterized by comprising a pump group, wherein the pump group comprises a first piston pump and a second piston pump, the first piston pump is positioned above the second piston pump,
the cavity of the first piston pump is divided into a first cavity (21) and a second cavity (22) by a baffle plate (23), the two cavities are communicated at the rear part of the cavity, a piston rod is arranged in the first cavity (21),
the cavity of the second piston pump is divided into a first cavity (21) and a second cavity (22) by a baffle plate (23), the two cavities are communicated at the rear part of the cavity, a piston rod is arranged in the second cavity (22),
the first chamber (21) of each piston pump is located above the second chamber (22),
the front parts of the first cavity (21) and the second cavity (22) are provided with air pressure controls (12), the front parts of the first cavity (21) and the second cavity (22) are provided with air outlet controls (13),
the air pressure control (12) is configured to close an air inlet of the cavity where the air pressure control (12) is located and is communicated with the outside air when the air in the cavity where the air pressure control (12) is located is compressed, and the air pressure control (12) of the other cavity opens an air inlet of the cavity where the air pressure control (12) is located and is communicated with the outside air,
the air outlet control (13) is used for opening an air outlet communicated with the air outlet device by one cavity when air in the cavity is compressed, and closing the air outlet communicated with the air outlet device by the other cavity;
the air pressure control (12) is a hollow cylinder (24), the bottom surface of the front end of the cylinder is provided with an opening, the bottom surface of the rear end of the cylinder is provided with an opening, the opening is outwards provided with a ball cage (26), a pressure-controlled ball (27) moving back and forth in the hollow of the cylinder is configured to move towards the bottom surface opening (25) of the front end when air in one cavity of the piston pump is compressed, and the bottom surface opening (25) is blocked and closed, so that the one cavity is isolated from the outside air; and moving the air in the one chamber toward the bottom surface opening (25) of the rear end and being positioned in the ball cage (26) when the air in the other chamber of the piston pump is compressed and causing the one chamber to communicate with the outside air and the outside air to be introduced into the one chamber;
the air outlet control (13) is a cage, the upper end and the lower end of the cage correspond to the upper cavity and the lower cavity of the piston pump, an air outlet ball body (29) moving up and down in the cage is configured to move from one end of the cage corresponding to one cavity to the other end of the cage corresponding to the other cavity when air in the cavity of the piston pump is compressed, so that the air outlet ball body (29) is separated from the air outlet of the one cavity, which is communicated with the air outlet device, to open the air outlet of the one cavity, which is communicated with the air outlet device, and is contacted with the air outlet of the other cavity, which is communicated with the air outlet device, to close the air outlet of the other cavity, which is communicated with the air outlet device.
2. A gas compression apparatus as claimed in claim 1, wherein the cage is an arcuate cage (28), the arcuate portion being located between an upper portion of the cage and a lower portion of the cage, the arcuate cage (28) being mounted in the gas outlet means and the gas outlet openings in front of the first (21) and second (22) chambers of the piston pump being closed therein by the gas outlet means so that the gas outlet openings can only communicate with the outside air through the gas outlet means.
3. A method of compressing a gas, comprising:
the piston rod (15) is arranged in the first cavity (21), when the piston rod (15) is pulled backwards, the pressure-controlled sphere (27) of the air pressure control (12) of the first cavity (21) moves backwards and is positioned in the ball cage (26) of the hollow cylinder (24), and external air is introduced into the first cavity (21); when the piston rod (15) is pulled back, air in the second cavity (22) is compressed, a pressure-controlled ball (27) of an air pressure control part (12) of the second cavity (22) moves forwards and is positioned at a bottom opening (25) of the front end of a hollow cylinder (24), so that the air in the second cavity (22) cannot be discharged out through the bottom opening (25) of the front end, the second cavity (22) corresponds to the lower end of the air outlet control part (13), and the air outlet ball (29) positioned at the lower end of the air outlet control part (13) is pushed upwards by compressed air, so that the air outlet of the second cavity (22) and the air outlet of the air outlet device are opened by separating the air balloon body (29) from the air outlet of the second cavity (22), and the air outlet of the air outlet ball (29) and the air outlet device are contacted, and the air outlet of the first cavity (21) and the air outlet device are closed, so that the air outlet of the second cavity (22) and the air outlet of the air outlet device can only be discharged through the air outlet of the second cavity (22) and the air outlet of the air outlet device is not discharged through the air outlet of the first cavity (21) through the compressed air;
the piston rod (15) is arranged in the first cavity (21), when the piston rod (15) is pushed forward, the first cavity (21) is communicated with the second cavity (22) at the rear part, the pressure-controlled ball (27) of the air pressure control (12) of the second cavity (22) moves backwards and is positioned in the ball cage (26) of the hollow cylinder (24), and external air is introduced into the second cavity (22); when the piston rod (15) is pushed forwards, air in the first cavity (21) is compressed, a pressure-controlled ball (27) of an air pressure control piece (12) of the first cavity (21) moves forwards and is positioned at a bottom opening (25) at the front end of the hollow cylinder (24), so that the air in the first cavity (21) cannot be discharged outside through the bottom opening (25) at the front end, the first cavity (21) corresponds to the lower end of the air outlet control piece (13), and an air outlet ball (29) positioned at the upper end of the air outlet control piece (13) is pushed downwards through compressed air, so that the air outlet ball (29) is separated from an air outlet of the first cavity (21) which is communicated with an air outlet device to open the air outlet of the first cavity (21), and the air outlet ball (29) is contacted with the air outlet of the second cavity (22) which is communicated with the air outlet device to close the air outlet of the second cavity (22), compressed air can only be sprayed through the air outlet of the first cavity (21), and no air can enter the second cavity (22) through the air outlet device;
the piston rod (15) is arranged in the second cavity (22), when the piston rod (15) is pushed forward, the pressure-controlled sphere (27) of the air pressure control (12) of the first cavity (21) moves backwards and is positioned in the ball cage (26) of the hollow cylinder (24), and external air is introduced into the first cavity (21); the second cavity (22) is communicated with the first cavity (21) at the rear part, when the piston rod (15) is pushed forward, air in the second cavity (22) is compressed, a pressure-controlled ball (27) of an air pressure control piece (12) of the second cavity (22) moves forward and is positioned at a bottom opening (25) of the front end of a hollow cylinder (24), so that the air in the second cavity (22) cannot be discharged out through the bottom opening (25) of the front end, the second cavity (22) corresponds to the lower end of the air outlet control piece (13), and the air outlet ball (29) positioned at the lower end of the air outlet control piece (13) is pushed upwards by compressed air, so that the air outlet of the second cavity (22) is opened by separating the air outlet of the balloon body (29) from the air outlet of the second cavity (22) communicated with the air outlet device, and the air outlet of the air outlet ball (29) is contacted with the air outlet device communicated with the first cavity (21) to close the air outlet of the first cavity (21), and only the air outlet of the second cavity (22) can be discharged through the bottom opening (25), and the compressed air cannot enter the first cavity (21) through the air outlet;
the piston rod (15) is arranged in the second cavity (22), when the piston rod (15) is pulled backwards, the first cavity (21) is communicated with the second cavity (22) at the rear part, the pressure-controlled ball (27) of the air pressure control (12) of the second cavity (22) moves backwards and is positioned in the ball cage (26) of the hollow cylinder (24), and external air is introduced into the second cavity (22); when the piston rod (15) is pulled backwards, air in the first cavity (21) is compressed, the pressure-controlled ball (27) of the air pressure control piece (12) of the first cavity (21) moves forwards and is located at the bottom opening (25) of the front end of the hollow cylinder (24), so that the air in the first cavity (21) cannot be discharged outside through the bottom opening (25) of the front end, the first cavity (21) corresponds to the lower end of the air outlet control piece (13), the air outlet ball (29) located at the upper end of the air outlet control piece (13) is pushed downwards through compressed air, the air outlet ball (29) is separated from the air outlet of the first cavity (21) which is communicated with the air outlet device, the air outlet of the first cavity (21) which is communicated with the air outlet device is opened, the air outlet ball (29) is contacted with the air outlet of the second cavity (22) which is communicated with the air outlet device is closed, compressed air can be sprayed only through the air outlet of the first cavity (21), and no air can enter the second cavity (22) through the air outlet device.
4. A wave energy gas compression device, comprising
A gas compression apparatus as claimed in any one of claims 1 to 2;
the oscillating floater (18), the oscillating floater (18) is connected with the gas compression device through a connecting part, and the connecting part comprises a vertical part and a transverse part connected with the vertical part;
wherein: the rear end part of a piston rod of the first piston pump is connected to the upper end of the vertical part of the connecting part, the rear end part of a piston rod of the second piston pump is connected to the lower end of the vertical part of the connecting part, the oscillating floater (18) is hinged to the transverse part, the ascending and descending of the oscillating floater (18) are driven to two piston rods positioned at different heights through the connecting part, the two piston rods have different action trends of forward pushing and backward pulling in one action trend of the oscillating floater (18), and the first piston pump and the second piston pump are in gas compression states and jet compressed gas due to the fact that the piston rods of the first piston pump and the second piston pump are positioned in cavities of different stages, the jet pipe of the air outlet device of the first piston pump is a straight-caliber jet pipe, and the jet pipe of the air outlet device of the second piston pump is an upward bent caliber jet pipe.
5. A method of generating electricity using the wave energy gas compression device of claim 4, characterized by: the oscillating floater (18) floats or descends in a water area to cause the piston pump to push forwards or pull backwards, so that gas in a cavity is compressed, a pressure-controlled sphere (27) of a pneumatic control (12) of the compressed gas cavity moves forwards and is positioned in a bottom opening (25) at the front end of the hollow cylinder (24), so that air in the compressed gas cavity cannot be discharged through the bottom opening (25) at the front end, an air outlet sphere (29) of the air outlet control (13) moves towards an air outlet at the front part of the non-compressed air cavity and is sealed, compressed air is sprayed from the air outlet at the front part of the compressed air cavity to push blades of the turbine generator to rotate and generate electricity, and the pressure-controlled sphere (27) of the pneumatic control (12) of the non-compressed air cavity moves backwards and is positioned in a ball cage (26) of the hollow cylinder (24), so that external air is introduced into the non-compressed air cavity.
6. Use of a gas compression device according to any one of claims 1-2 for oscillating buoy type wave power generation or wave energy cogeneration.
7. Use of a wave energy gas compression device according to claim 4 for oscillating buoy type wave energy power generation or wind wave energy combined power generation.
8. Use of the method of claim 3 in oscillating buoy type wave power generation or wind-wave energy cogeneration.
CN202210558823.0A 2021-08-20 2021-08-20 Gas compression device, compression method, power generation method and application thereof in wind wave power generation Active CN115163450B (en)

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CN202210558823.0A CN115163450B (en) 2021-08-20 2021-08-20 Gas compression device, compression method, power generation method and application thereof in wind wave power generation
CN202110961320.3A CN113586342B (en) 2021-08-20 2021-08-20 Oscillating float type wave energy power generation device and method and wind-wave energy combined power generation system

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