CN112879203B - External combustion engine power system - Google Patents
External combustion engine power system Download PDFInfo
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- CN112879203B CN112879203B CN202110315810.6A CN202110315810A CN112879203B CN 112879203 B CN112879203 B CN 112879203B CN 202110315810 A CN202110315810 A CN 202110315810A CN 112879203 B CN112879203 B CN 112879203B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
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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
- F03G6/00—Devices for producing mechanical power from solar energy
- F03G6/06—Devices for producing mechanical power from solar energy with solar energy concentrating means
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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
- F03G7/06—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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
- F04B37/18—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use for specific elastic fluids
- F04B37/20—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use for specific elastic fluids for wet gases, e.g. wet air
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention provides an external combustion engine power system, and relates to the field of power generation equipment. An external combustion engine power system comprising; pressure vessel, the catheter, turbo mechanism and power device, including first piston and second piston in the pressure vessel, pressure vessel separates into hot air district through first piston and second piston, cold air district and solution district, pressure vessel still includes air duct and power component, hot air district and cold air district pass through the air duct intercommunication, the air duct has gas heating assembly, the air duct has gas cooling assembly, pressure vessel is two, the solution district of two pressure vessels passes through the catheter intercommunication, turbo mechanism and catheter connection, turbo mechanism and power device are connected. The working medium gases in the two pressure containers are at different temperatures to generate pressure difference, the pressure difference can push the liquid in the solution area to do work, the liquid flows through the liquid guide pipe and pushes the turbine mechanism, and the power output by the turbine mechanism drives the power device to operate.
Description
Technical Field
The invention relates to the field of power equipment, in particular to an external combustion engine power system.
Background
External combustion engines, also known as external combustion engines, utilize the internal energy of fuel to convert it into mechanical energy, but they operate in a much different manner. The internal combustion engine burns the mixture of fuel and air in cylinder to convert the heat energy into mechanical energy directly, and the external combustion engine introduces the high temperature and high pressure combustion product obtained through combustion in the external combustion chamber directly into the external combustion engine to expand the combustion product and convert its kinetic energy into mechanical energy simultaneously, or heats the circular working medium with the combustion product (for example, heats water with gas in steam power device) to expand the working medium to do work and convert it into mechanical energy.
The existing external combustion engine mainly comprises a piston type external combustion engine, a turbine engine, a Stirling engine and the like, and the basic working principle of the existing external combustion engine is the transposition of converting the heat energy of external burnt fuel into mechanical energy, but the external combustion engine has a complex structure and low heat energy conversion rate
Disclosure of Invention
The invention aims to provide an external combustion engine power system which is convenient to use and improves the heat energy conversion rate.
The embodiment of the invention is realized by the following steps:
the embodiment of the application provides an external combustion engine power system, which comprises a power supply, a power supply and a control unit, wherein the power supply is connected with the power supply; pressure vessel, catheter, turbo mechanism and power device, including being located its inside first piston and second piston in the pressure vessel, pressure vessel passes through first piston and second piston are separated into hot air district, cold air district and solution district in proper order, pressure vessel still includes the air duct and is used for the drive reciprocating motion's power component is done to first piston, pressure vessel's hot air district and cold air district pass through the air duct intercommunication, the air duct intercommunication the one end in hot air district has gas heating component, the air duct intercommunication the one end in cold air district has gas cooling component, pressure vessel is two, two pressure vessel's solution district passes through the catheter intercommunication, turbo mechanism with catheter connection, turbo mechanism with power device connects.
In some embodiments of the present invention, the power assembly includes a sleeve and a telescopic motor, one end of the sleeve penetrates through the second piston and is connected to the first piston, the second piston is movably sleeved outside the sleeve, the other end of the sleeve extends out of the pressure container and is slidably sleeved with the gas guiding tube, and the telescopic motor is connected to one end of the sleeve extending out of the pressure container.
In some embodiments of the present invention, the power assembly further includes a controller connected to the telescopic motor, and the controller can control the reverse reciprocating motion of the casings in the two pressure vessels simultaneously.
In some embodiments of the invention, the gas heating assembly comprises a solar collector.
In some embodiments of the present invention, the solar heat collector is a concentrating solar heat collector.
In some embodiments of the present invention, the gas cooling assembly includes a water pump, a water cooling pipeline, a water tank and a heat exchanger, the water cooling pipeline is wound around the outer side of the gas guide tube, the water pump is connected to the heat exchanger through the water cooling pipeline, the water pump is connected to the water tank, and the water tank is filled with water cooling liquid.
In some embodiments of the present invention, the air duct is a thermal insulation tube.
In some embodiments of the present invention, the turbine mechanism includes a housing, a turbine rotor rotatably connected in the housing, the liquid guide tube is communicated with the housing, and a shaft of the turbine rotor is connected with the power device.
In some embodiments of the present invention, the above further comprises a regenerator connected to the gas duct.
In some embodiments of the present invention, the controller is a PLC controller.
Compared with the prior art, the embodiment of the invention has at least the following advantages or beneficial effects:
the embodiment of the invention provides an external combustion engine power system, which comprises a power supply, a power supply and a control unit, wherein the power supply is connected with the power supply; pressure vessel, catheter, turbo mechanism and power device, including being located its inside first piston and second piston in the pressure vessel, pressure vessel passes through first piston and second piston are separated into hot air district, cold air district and solution district in proper order, pressure vessel still includes the air duct and is used for driving the power component that first piston was reciprocating motion, pressure vessel's hot air district and cold air district pass through the air duct intercommunication, the one end that the air duct communicates hot air district has gaseous heating assembly, the one end that the air duct communicates cold air district has gaseous cooling assembly, pressure vessel is two, two pressure vessel's solution district passes through the catheter intercommunication, turbo mechanism and catheter connection, turbo mechanism and power device connection. The two pressure containers are matched with each other to be used for the resume pressure difference and enable the liquid in the solution area inside the pressure containers to circularly flow, the turbine mechanism is driven by the circulating liquid to rotate, and the rotating turbine mechanism drives the power device to operate; the hot air area and the cold air area in the pressure container can realize pressure change under the alternate flow of cold air and hot air, so that high pressure and low pressure are formed in the two pressure containers, and the liquid in the solution area is ensured to flow under the action of pressure difference; the volume of gas in a hot air area and a cold air area is adjusted in the pressure container through the movement of a first piston, so that the pressure in the pressure container is adjusted, when the pressure in one pressure container is increased, a second piston which freely moves can pressurize and sink a solution area, when the pressure in the other pressure container is reduced, the second piston which freely moves can decompress and rise the solution area, so that the liquid in the solution area flows into the other pressure container from one pressure container, and the turbine mechanism is driven to rotate in a reciprocating manner and operates by using a power device; the invention carries out operation in two closed pressure containers, the power of the system is positively correlated with the volume of the pressure container, the gas pressure, the reciprocating frequency of the first piston and the temperature difference, particularly, the pressure container system with a full-sealing design can conveniently realize higher working pressure, working medium gas in the two pressure containers is at different temperatures to generate pressure difference, the pressure difference can push liquid in a solution area to do work, the liquid flows through a liquid guide pipe and pushes a turbine mechanism, the power output by the turbine mechanism drives a power device to operate, thereby converting heat energy into electric energy, and the whole system is fully sealed; the heat source of the system heats working medium gas externally, the whole system and the outside only have energy exchange but no matter exchange, the output power is not influenced by the altitude by the fully-sealed system, the working state is stable, the interference is small, the failure rate is low, the running cost is low, the economic benefit is good, and the economic cost brought by maintenance can be effectively reduced; meanwhile, the system has wide fuel source and high efficiency, can be carried on an electric vehicle to serve as a generator, improves the endurance mileage of the electric vehicle, can also serve as a power system of a transport truck and agricultural machinery, saves the operation cost, can directly serve as power by a turbine mechanism, is used on a ship to directly drive a propeller, simplifies the shipbuilding process, reduces the transportation cost, can also serve as a generator set in grasslands/farms/mountainous areas/islands with low population density, provides electric power, and can be erected on the truck to serve as a mobile emergency power station.
In practical use, when the first piston in one of the pressure containers is driven by the power assembly to compress towards the cold air region, the gas in the cold air region flows towards the hot air region along the gas guide pipe, the gas in the gas guide pipe is heated by the gas heating assembly when entering the hot air region, after the heated gas enters the pressure container, the pressure in the pressure container is increased, and simultaneously when the first piston in the other pressure container is driven by the power assembly to compress towards the hot air region, the gas in the hot air region flows towards the cold air region along the gas guide pipe, the gas in the gas guide pipe is cooled by the gas cooling assembly when entering the cold air region, after the cooled gas enters the pressure container, the pressure in the pressure container is reduced, at the moment, the two pressure containers simply experience a pressure difference, the liquid in the pressure container with the increased pressure flows towards the pressure container with the reduced pressure along the water guide pipe, after the pressures in the two pressure containers are gradually balanced, the opposite pressure difference is established according to realize the reciprocating and circulating flow of the liquid, and the operation of the turbine mechanism is driven to operate the power device.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic overall flow chart of a power system according to an embodiment of the present invention.
An icon: 1-a pressure vessel; 101-a first piston; 102-a second piston; 103-hot gas area; 104-cold air zone; 105-solution zone; 2-a catheter; 201-a turbine mechanism; 3-gas guide tube; 301-gas heating assembly; 302-a gas cooling assembly; 303-a cannula; 3031-a telescopic motor; 4-a power plant; 5-a heat regenerator.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are usually placed in when used, the orientations or positional relationships are only used for convenience of describing the present invention and simplifying the description, but the terms do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operate, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be broadly construed and interpreted as including, for example, fixed connections, detachable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Examples
Referring to fig. 1, fig. 1 is a schematic view illustrating an overall process of a power system according to an embodiment of the invention.
The embodiment of the invention provides an external combustion engine power system, which comprises a power supply, a power supply and a power supply, wherein the power supply is connected with the power supply; the pressure vessel 1 comprises a first piston 101 and a second piston 102 which are arranged inside the pressure vessel 1, the pressure vessel 1 is sequentially divided into a hot air area 103, a cold air area 104 and a solution area 105 by the first piston 101 and the second piston 102, the pressure vessel 1 further comprises an air duct 3 and a power assembly for driving the first piston 101 to reciprocate, the hot air area 103 and the cold air area 104 of the pressure vessel 1 are communicated through the air duct 3, one end of the air duct 3 communicated with the hot air area 103 is provided with an air heating assembly 301, one end of the air duct 3 communicated with the cold air area 104 is provided with an air cooling assembly 302, the two pressure vessels 1 are provided, the solution areas 105 of the two pressure vessels 1 are communicated through the liquid guide tube 2, the turbo mechanism 201 is connected with the liquid guide tube 2, and the turbo mechanism 201 is connected with the power device 4. The two pressure containers 1 are matched with each other to be used for the resume pressure difference and enable the liquid in the internal solution area 105 to circularly flow, the turbine mechanism 201 is driven by the circulating liquid to rotate, and the rotating turbine mechanism 201 drives the power device 4 to operate; the hot air area 103 and the cold air area 104 in the pressure container 1 can realize pressure change under the alternating flow of cold air and hot air, so that high pressure and low pressure are formed in the two pressure containers 1, and the liquid in the solution area 105 is ensured to flow under the action of pressure difference; the volume of the gas in the hot air area 103 and the volume of the gas in the cold air area 104 are adjusted through the movement of the first piston 101 in the pressure container 1, so that the pressure in the pressure container 1 is adjusted, when the pressure in one pressure container 1 is increased, the second piston 102 which freely moves can pressurize and sink the solution area 105, when the pressure in the other pressure container 1 is decreased, the second piston 102 which freely moves can depressurize and rise the solution area 105, so that the liquid in the solution area 105 flows into the other pressure container 1 from one pressure container 1, and the turbine mechanism 201 is driven to rotate in a reciprocating manner and operates by using the power device 4; the invention works in two closed pressure containers 1, the power of the system is positively correlated with the volume/gas pressure/reciprocating frequency/temperature difference of the pressure container 1/the first piston 101, especially the pressure container 1 system with a full-sealing design can conveniently realize higher working pressure, working medium gas in the two pressure containers 1 is at different temperatures to generate pressure difference, the pressure difference can push liquid in a solution area 105 to do work, the liquid flows through a liquid guide pipe 2 and pushes a turbine mechanism 201, the power output by the turbine mechanism 201 drives a power device 4 to operate, thereby converting heat energy into electric energy, and the whole system is fully sealed; the heat source of the system heats working medium gas outside, the whole system and the outside only have energy exchange but not matter exchange, the output power is not influenced by the altitude by the fully-sealed system, the working state is stable and has small interference and low failure rate, which means low operation cost and good economic benefit, and the economic cost brought by maintenance can be effectively reduced; meanwhile, the system has wide fuel source and high efficiency, can be carried on an electric vehicle to serve as a generator, improves the endurance mileage of the electric vehicle, can also serve as a power system of a transport truck and agricultural machinery, saves the operation cost, can directly serve as power by the turbine mechanism 201, can directly drive a propeller on a ship, simplifies the shipbuilding process, reduces the transportation cost, can also serve as a generator set on grasslands/farms/mountainous areas/islands with low population density, provides electric power, and can be erected on the truck to serve as a mobile emergency power station.
In practical use, when the first piston 101 in one of the pressure vessels 1 is driven by the power assembly to compress toward the cold air region 104, the gas in the cold air region 104 flows toward the hot air region 103 along the gas guide tube 3, the gas in the gas guide tube 3 is heated by the gas heating assembly 301 when entering the hot air region 103, when the heated gas enters the pressure vessel 1, the pressure in this pressure vessel 1 increases, and at the same time, when the first piston 101 in the other pressure vessel 1 is driven by the power assembly to compress toward the hot air region 103, the gas in the hot air region 103 flows toward the cold air region 104 along the gas guide tube 3, the gas in the gas guide tube 3 is cooled by the gas cooling assembly 302 when entering the cold air region 104, when the cooled gas enters the pressure vessel 1, the pressure in this pressure vessel 1 decreases, at this time, the pressure difference between the two pressure vessels 1 is briefly experienced, the liquid in the pressure vessel 1 with the increased pressure flows toward the pressure vessel 1 with the decreased pressure along the water guide tube, and when the pressures in the two pressure vessels 1 are balanced, the pressure difference between the two pressure vessels 1 gradually and the operating method is established, so that the liquid flows in a reciprocating manner, and the turbine mechanism 201 is operated.
In some embodiments of the present invention, as shown in fig. 1, the power assembly includes a sleeve 303 and a telescopic motor 3031, one end of the sleeve 303 penetrates through the second piston 102 and is connected to the first piston 101, the second piston 102 is movably sleeved outside the sleeve 303, the other end of the sleeve 303 extends out of the pressure vessel 1 and is slidably sleeved with the air duct 3, and the telescopic motor 3031 is connected to one end of the sleeve 303 extending out of the pressure vessel 1.
In the embodiment, the sleeve 303 is through, a stopper is arranged at the end part of one end of the sleeve 303, which is connected with the gas guide tube 3, and a stopper is also arranged at the end of the gas guide tube 3, which is connected with the sleeve 303, so that the sleeve 303 can be prevented from being separated in the expansion process, and a rubber sealing gasket is arranged on the side wall of the stopper, so that gas is prevented from leaking from the joint of the sleeve 303 and the gas guide tube 3; the side wall of one end of the sleeve 303 connected with the first piston 101 is provided with a plurality of air vents, and the gas in the gas-guide tube 3 can enter and exit the cold air region 104 along the air vents; the outer side wall of the sleeve 303 sleeved with the second piston 102 is provided with a sealing rubber layer; the telescopic motor 3031 can drive the sleeve 303 to move vertically.
In some embodiments of the present invention, as shown in fig. 1, the power assembly further comprises a controller coupled to the telescopic motor 3031, the controller being capable of simultaneously controlling the reverse reciprocating motion of the sleeve 303 in both pressure vessels 1.
The controller in this embodiment is a PLC of the siemens S300, and is preprogrammed with the controller, so that the controller drives the two telescopic motors 3031 to reciprocate in opposite directions, and the two pressure vessels 1 are kept in a state of having a pressure difference for a long time.
In some embodiments of the invention, as shown in fig. 1, the gas heating assembly 301 comprises a solar collector.
The solar heat collector in the present embodiment is a device that converts solar radiant energy into thermal energy. Since solar energy is relatively dispersed and must be concentrated, collectors are a key part of various solar energy utilization devices. Due to different purposes, the heat collectors and the types of systems matched with the heat collectors are classified into a plurality of types and names, such as solar cookers for cooking, solar water heaters for producing hot water, solar dryers for drying articles, solar furnaces for melting metal, solar houses, solar thermal power stations, solar seawater desalinizers and the like.
In some embodiments of the invention, the solar collector is a concentrating solar collector.
The concentrating solar heat collector in the embodiment is a device which utilizes a reflector, a lens or other optical devices to change the direction of solar rays entering a light collecting port of the heat collector and concentrate the solar rays on a receiver, and higher energy flux density can be obtained through single-axis or double-axis tracking. The solar heat collector collects solar radiation energy to a smaller area through the concave reflecting mirror or the lens, so that the heat flow on a unit area is increased, the heat exchange area between the receiver and the environment is reduced, and the temperature of a working medium and the heat efficiency of the heat collector are improved.
In some embodiments of the present invention, as shown in fig. 1, the gas cooling module 302 includes a water pump, a water cooling pipeline, a water tank and a heat exchanger, the water cooling pipeline is wound around the outer side of the gas guiding pipe 3, the water pump is connected with the heat exchanger through the water cooling pipeline, the water pump is connected with the water tank, and the water tank is filled with water cooling liquid.
The heat exchanger in this embodiment is a device that transfers part of the heat of the hot fluid to the cold fluid, and is also called a heat exchanger; the water cooling pipeline is spirally wound outside the air guide pipe 3, and water cooling liquid in the water tank is pumped out by the water pump and is introduced into the water cooling pipeline, so that the water cooling pipeline absorbs heat energy contained in gas in the air guide pipe 3, and further the cooling of the gas is realized.
In some embodiments of the invention, as shown in fig. 1, airway tube 3 is a thermal insulating tube. The heat preservation pipe is a short name of a heat insulation pipeline, is used for conveying liquid, gas and other media, and is used for heat preservation of heat insulation engineering of pipelines of petroleum, chemical engineering, aerospace, hot spring-military, central heating, central air conditioning, municipal administration and the like.
In some embodiments of the present invention, as shown in fig. 1, the turbine mechanism 201 includes a housing, a turbine rotor is rotatably connected in the housing, the liquid guide pipe 2 is communicated with the housing, and a shaft of the turbine rotor is connected with the power device 4.
The casing in this embodiment is rectangular, through holes communicated with the liquid guide pipe 2 are formed in two opposite sides of the casing, the turbine rotor is installed inside the casing through a rotating shaft of the turbine rotor, and the side walls of the fan blades face the through holes.
An external combustion engine power system of the present invention includes; the pressure vessel 1 comprises a first piston 101 and a second piston 102 which are arranged inside the pressure vessel 1, the pressure vessel 1 is sequentially divided into a hot air area 103, a cold air area 104 and a solution area 105 by the first piston 101 and the second piston 102, the pressure vessel 1 further comprises an air duct 3 and a power assembly for driving the first piston 101 to reciprocate, the hot air area 103 and the cold air area 104 of the pressure vessel 1 are communicated through the air duct 3, one end of the air duct 3 communicated with the hot air area 103 is provided with an air heating assembly 301, one end of the air duct 3 communicated with the cold air area 104 is provided with an air cooling assembly 302, the two pressure vessels 1 are provided, the solution areas 105 of the two pressure vessels 1 are communicated through the liquid guide tube 2, the turbo mechanism 201 is connected with the liquid guide tube 2, and the turbo mechanism 201 is connected with the power device 4. The two pressure containers 1 are matched with each other to be used for the resume pressure difference and enable the liquid in the solution area 105 inside the pressure containers to circularly flow, the turbine mechanism 201 is driven by the circulating liquid to rotate, and the rotating turbine mechanism 201 drives the power device 4 to operate; the hot air area 103 and the cold air area 104 in the pressure container 1 can realize pressure change under the alternating flow of cold air and hot air, so that high pressure and low pressure are formed in the two pressure containers 1, and the liquid in the solution area 105 is ensured to flow under the action of pressure difference; the volumes of the gases in the hot air area 103 and the cold air area 104 are adjusted through the movement of the first piston 101 in the pressure container 1, so that the pressure in the pressure container 1 is adjusted, when the pressure in one pressure container 1 is increased, the second piston 102 which freely moves can pressurize and sink the solution area 105, when the pressure in the other pressure container 1 is decreased, the second piston 102 which freely moves can depressurize and rise the solution area 105, so that the liquid in the solution area 105 flows into the other pressure container 1 from one pressure container 1, and the turbine mechanism 201 is driven to rotate in a reciprocating manner and operates by using the power device 4; the invention works in two closed pressure containers 1, the power of the system is positively correlated with the volume/gas pressure/reciprocating frequency/temperature difference of the pressure container 1/the first piston 101, especially the pressure container 1 system with a full-sealing design can conveniently realize higher working pressure, working medium gas in the two pressure containers 1 is at different temperatures to generate pressure difference, the pressure difference can push liquid in a solution area 105 to do work, the liquid flows through a liquid guide pipe 2 and pushes a turbine mechanism 201, the power output by the turbine mechanism 201 drives a power device 4 to operate, thereby converting heat energy into electric energy, and the whole system is fully sealed; the heat source of the system heats working medium gas externally, the whole system and the outside only have energy exchange but no matter exchange, the output power is not influenced by the altitude by the fully-sealed system, the working state is stable, the interference is small, the failure rate is low, the running cost is low, the economic benefit is good, and the economic cost brought by maintenance can be effectively reduced; meanwhile, the system has wide fuel source and high efficiency, can be carried on an electric vehicle to serve as a generator, improves the endurance mileage of the electric vehicle, can also serve as a power system of a transport truck and agricultural machinery, saves the operation cost, can directly serve as power by the turbine mechanism 201, is used on a ship to directly drive a propeller, simplifies the shipbuilding process, reduces the transportation cost, can also serve as a generator set in grasslands/farms/mountainous areas/islands with low population density, provides electric power, and can be erected on the truck to serve as a mobile emergency power station.
In practical use, when the first piston 101 in one of the pressure vessels 1 is compressed toward the cold air region 104 under the driving of the power assembly, the gas in the cold air region 104 flows toward the hot air region 103 along the gas guide tube 3, the gas in the gas guide tube 3 is heated by the gas heating assembly 301 when entering the hot air region 103, when the heated gas enters the pressure vessel 1, the pressure in the pressure vessel 1 increases, and simultaneously when the first piston 101 in the other pressure vessel 1 is compressed toward the hot air region 103 under the driving of the power assembly, the gas in the hot air region 103 flows toward the cold air region 104 along the gas guide tube 3, the gas in the gas guide tube 3 is cooled by the gas cooling assembly 302 when entering the cold air region 104, when the cooled gas enters the pressure vessel 1, the pressure in the pressure vessel 1 decreases, at this time, the two pressure vessels 1 are subjected to a simple pressure difference, the liquid in the pressure vessel 1 with increased pressure flows toward the pressure vessel 1 with decreased pressure along the water guide tube, and when the pressures in the two pressure vessels 1 are gradually balanced, the pressure difference between the two pressure vessels 1 is established in an opposite operation method, and the liquid circulation operation is performed, so as to drive the power mechanism 201 to perform the reciprocating operation.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An external combustion engine power system, comprising; pressure vessel, catheter, turbo mechanism and power device, including being located its inside first piston and second piston in the pressure vessel, pressure vessel passes through first piston and second piston are separated into hot air district, cold air district and solution district in proper order, pressure vessel still includes the air duct and is used for the drive reciprocating motion's power component is done to first piston, pressure vessel's hot air district and cold air district pass through the air duct intercommunication, the air duct intercommunication the one end in hot air district has gas heating component, the air duct intercommunication the one end in cold air district has gas cooling component, pressure vessel is two, two pressure vessel's solution district passes through the catheter intercommunication, turbo mechanism with catheter connection, turbo mechanism with power device connects.
2. The external combustion engine power system according to claim 1, wherein the power assembly includes a sleeve and a telescopic motor, one end of the sleeve penetrates through the second piston and is connected with the first piston, the second piston is movably sleeved outside the sleeve, the other end of the sleeve extends out of the pressure vessel and is slidably sleeved with the air duct, and the telescopic motor is connected with one end of the sleeve extending out of the pressure vessel.
3. The external combustion engine power system as defined in claim 2, wherein the power assembly further comprises a controller connected to the telescopic motor, the controller being capable of simultaneously controlling the reverse reciprocating motion of the casings in the two pressure vessels.
4. The external combustion engine power system as defined in claim 1, wherein said gas heating assembly includes a solar collector.
5. The external combustion engine power system as defined in claim 4, wherein the solar collector is a concentrating solar collector.
6. The external combustion engine power system according to claim 1, wherein the gas cooling assembly includes a water pump, a water cooling pipeline, a water tank and a heat exchanger, the water cooling pipeline is wound outside the gas guide pipe, the water pump is connected with the heat exchanger through the water cooling pipeline, the water pump is connected with the water tank, and the water tank is filled with water cooling liquid.
7. The external combustion engine power system as defined in claim 1, wherein the air duct is a heat preservation pipe.
8. The external combustion engine power system as defined in claim 1, wherein the turbine mechanism includes a housing, a turbine rotor rotatably connected in the housing, the fluid conduit communicating with the housing, a shaft of the turbine rotor being connected to the power plant.
9. The external combustion engine power system as defined in claim 1, further comprising a regenerator coupled to the gas duct.
10. The external combustion engine power system as defined in claim 3, wherein the controller is a PLC controller.
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| CN202110315810.6A CN112879203B (en) | 2021-03-24 | 2021-03-24 | External combustion engine power system |
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| CN112879203B true CN112879203B (en) | 2022-10-11 |
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| AT502402A4 (en) * | 2006-01-10 | 2007-03-15 | Int Innovations Ltd | METHOD FOR CONVERTING THERMAL ENERGY TO MECHANICAL WORK |
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| CN105649927A (en) * | 2014-10-03 | 2016-06-08 | 邱林涂 | Energy concentration device |
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|---|---|---|---|---|
| CN102367746A (en) * | 2011-10-26 | 2012-03-07 | 藏树正 | Miniature engine |
| CN103967687A (en) * | 2013-01-27 | 2014-08-06 | 邹德木 | Device for converting temperature difference energy into mechanical energy for power generation |
| US9764272B2 (en) * | 2013-10-28 | 2017-09-19 | Energy Recovery, Inc. | Systems and methods for utilizing turbine systems within gas processing systems |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT502402A4 (en) * | 2006-01-10 | 2007-03-15 | Int Innovations Ltd | METHOD FOR CONVERTING THERMAL ENERGY TO MECHANICAL WORK |
| CN101755122A (en) * | 2007-06-18 | 2010-06-23 | 科德电力系统公司 | Energy transfer machine and method |
| CN105649927A (en) * | 2014-10-03 | 2016-06-08 | 邱林涂 | Energy concentration device |
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