135 results about "Magnetohydrodynamic generator" patented technology

The invention discloses a circumference magnet-cutting fluid power generation device, which comprises a rotor, a stator and a rear-end processing circuit, wherein the rotor comprises a rotary bearing, a blade and an inner wheel; one end of the blade is connected with the rotary bearing, and the other end of the blade is connected with the inner wheel; the stator comprises an outer wheel and a supporting structure, which are connected with each other; a wire is connected with the rear-end processing circuit; a magnet is arranged on the inner wheel, and the wire is arranged on the outer wheel; or, the wire is arranged on the inner wheel, and the magnet is arranged on the outer wheel; and the blade is driven by fluid and stressed, the inner wheel rotates and moves relative to the outer wheel, and the wire cuts a magnetic force line which is generated by the magnet to generate induced electromotive force, so current is generated. According to the characteristic that the circumference of the inner wheel of the rotor has maximum line speed, the magnetic force line is directly cut for power generation, and the circumference magnet-cutting fluid power generation device can be applied to the fields of wind power generation, river power generation, wave power generation, tail gas power generation and the like, and is simple in structure, high in efficiency and low in cost.

The invention relates to low-cost solar tracking and a new thermal cycle method, and belongs to the field of solar thermal application and thermodynamic cycle electricity generation or refrigeration. The solar link tracking adopts a link mechanism and other synchronous link systems; one array of solar energy conversion devices only need a set of tracking control system and can be used for solar energy collection, solar photovoltaic power generation and a reflecting mirror light-concentrating system; the dynamic heat pipe thermodynamic cycle can transfer heat efficiently, has wide range of application, and can be used for simple steam-electric power and refrigeration; and the thermal boost type thermodynamic cycle carries out cycle operation according to the process of water replenishing, heating and lifting pressure, feeding water to a system, decompression and water re-replenishing and can be used for the steam-electric power, the refrigeration, an external combustion engine, magnetohydrodynamics power generation and the like. The low-cost solar tracking and the new thermal cycle method can realize the solar utilization, heat transmission, energy conversation and power generation with low cost and high efficiency, and play an important role in improving an energy structure and the environment.

The invention relates to an ocean wave canard superconductive magnetic fluid power generation system and an ocean wave canard superconductive magnetic fluid power generation method, wherein ocean wave energy is converted into swinging kinetic energy which is directly converted into electrical energy by a superconductive magnetic fluid power generation device; the width of ocean wave canard wave pendulums are changed, and the energy value of ocean wave energy accumulated by the system is changed; the shape of the wave pendulums is as follows: tails of the wave pendulums are cylinders the radius of which is R, backsides of the wave pendulums are straight lines, canard toes are cambered, and canard heads are round; upper parts and lower parts of the wave pendulums are connected with rotating shafts respectively; the rotating shafts are connected with transmission rods which are connected with and drive a piston of a hydraulic pump; liquid metals are arranged inside the hydraulic pump which is connected with the superconductive magnetic fluid power generation device; and a cooling apparatus is connected with the superconductive magnetic fluid power generation device. The ocean wave canard superconductive magnetic fluid power generation system drives the liquid metals to flow to and fro in a straight-pipe power generation channel of the superconductive magnetic fluid power generation device, so as to generate induced electromotive force and then generate electricity. The system is simple and reliable and has small maintenance. Moreover, the kinetic characteristics of the generators are tallied with motion of the waves, so that the conversion efficiency of the system is greatly improved.

The invention relates to a magnetic fluid power generation device, which is composed of a solar reflector, an air inlet pipe, an air injection chamber, an ionization chamber, a power generation channel, a recovery chamber, an exhaust pipe, a permanent magnet, a power transmission system and a storage battery pack, wherein a fossil fuel combustion chamber is added additionally. The ionization chamber is provided with two pairs of positive and negative reverse high-voltage discharging rods, the power generation channel is provided with a collection baffle, the reflector is composed of a hemispheric concave mirror and a small cylinder and provided with an automatic steering device for tracking light, the air injection chamber is provided with an air inlet pump and a tourmaline net, and the recovery chamber is provided with an exhaust pump. Working medium xenon absorbs heat in the reflector to rise to a high temperature to be input in the air inlet pipe, is accelerated through the air injection chamber, rubs with the tourmaline net to be ionized, and is sprayed in the ionization chamber to encounter a cross strong electric field to generate electric corona, all of the gas is almost ionized, generated plasma gas enters the power generation channel and is affected by Lorentz force to have deflection, positive and negative charged particles are respectively concentrated on the collection baffle and a negative plate to form a positive pole and a negative pole of a generator, electric power is led out, and rated alternating current is output after voltage stabilization and inversion. Two poles of the generator are in parallel connection with the storage battery pack to be charged or discharged mutually. The magnetic fluid power generation device has the advantages of utilizing light energy and heat energy, converting the light energy and the heat energy into electric energy, and obtaining high power generation efficiency.

The invention discloses a solar energy-driven magnetic fluid and steam turbine coupled power generating system, which comprises a converging system consisting of a plurality of lenses, a heat collector containing a magnetic fluid medium and alkali metal salt seeds, a magnetic fluid power generating system and a steam turbine power generating system, wherein the full-wavelength solar energy is converged in the heat collector by the converging system to be converted into heat energy, magnetic fluid medium in the heat collector forms plasma fluid at a high temperature and the plasma fluid is delivered to the magnetic fluid power generating system to generate electricity; and the steam turbine power generating system is coupled with the magnetic fluid power generating system by a heat exchanger. The solar energy-driven magnetic fluid and steam turbine coupled power generating system has the advantages that: the solar energy is directly converted into the electric energy, an intermediate conversion process is discarded, the power generation efficiency is improved and the zero emission of pollutants such as carbon dioxide and sulfur dioxide is achieved; and the steam turbine power generating system can supply power to a compressor and drive a generator to generate the electricity, so the solar energy is fully used in the system.

A super-conducting electromagnetic pump circulating system of a liquid rocket engine is a pump-fed circulating system built on the basis of the super-conducting technique and the magnetofluid generator technique and applied to the liquid rocket engine utilizing cryogenic propellants. A magnetofluid component arranged at the throttle of a thrust chamber of the liquid rocket engine transforms one portion of heat energy of gas of the engine into electric energy, and then the electric energy is transmitted to a super-conducing electromagnetic pump. The super-conducting electromagnetic pump is driven by the electric energy, and an impeller thereof rotates in a high speed, thereby increasing pressure of fuel or oxidants. The super-conducting electromagnetic pump circulating system of a liquid rocket engine is high in performance and reliability and strong in reusability, and is easy to realize multiple starting.

The invention discloses a nuclear cascade utilization system and method based on liquid metal self-evaporating magnetic fluid power generation, and belongs to the field of comprehensive nuclear energy utilization. The system is mainly composed of a magnetic fluid pump, a magnetic fluid power generation channel, a fan, a nuclear reactor heat source, an electrolytic water hydrogen production device and related heat exchangers. Liquid metal is heated by the nuclear reactor heat source to vaporize partially and generate bubbles, resulting in volume expansion to push the liquid metal to flow by the power generation channel. Magnetic induction lines are cut to generate induced electromotive force, and then condensation is conducted by a condenser. The magnetic fluid pump pumps the liquid metal into a liquid metal heat evaporator to complete the circulation. Generated electrical energy can be used partially or totally for hydrogen production. Through related heat exchangers and processes, the resulting hot water can be used as domestic hot water. The system provided in the invention is simple and compact, the cost is low and the stability is high. The invention also provides an advanced method, for nuclear energy cascade utilization, which can realize power generation, hydrogen production and heating at the same time.

An electric generation unit driven directly by wave energy in near sea and with dual channels formed by a single tube and liquid metal as magnetic fluid is composed of a magnetic body with central hole, magnetic fluid electrodes, a U-shaped tube passing through said central hole of magnetic body to form a lower annular loop, two elastic containers, and a rigid container. Under the action of wave energy, said liquid metal flows in U-shaped tube to generate inductive E.M.F. It has high output voltage.

The invention discloses a pulse nuclear reactor suitable for an MHD generator and a control method of the pulse nuclear reactor. The pulse nuclear reactor is combined with the MHD generator, so that fission energy is converted into electric energy rapidly and high-power pulse current is output directly; active and passive reactor stop are of non-active design, a critical safety characteristic is realized, and the risk of accidents is reduced; and it is ensured that the whole MHD generator and the pulse nuclear reactor run safely in high efficiency, the pulse nuclear reactor is more suitable for the MHD generator, high-temperature high-stress gas working medium is provided for the nuclear reactor, and the MHD generator can output high-power electric pulses.

A magnetic fluid double-current generator mainly comprises a flow dividing tube (1), an ion current solenoid (2), a three-phase sine wave four-way throttle valve (3), an ion current coil (4), electrodes (5) and a power generation coil (6). The magnetic fluid double-current generator is characterized in that positive and negative ions of working mediums (come from plasma mixed gas or liquid of ion source) which flowed in high speed in the insulating flow dividing tube (1) are separated in a pipe constraint condition under the functions of electric field force or Lorentz force and respectively flow into the two electrodes (5) to achieve double-current power generation. The magnetic fluid double-current generator solves the problems that the existing magnetic fluid is low in converting efficiency of power generation energy, complex in structure, easy to corrode of electrodes, difficult to obtain the ultrastrong magnetic field, high in material requirements and only capable of generating electricity through direct current.

The invention provides a novel magnetofluid electric generator without seeds. Conducting flow at the temperature ranging from three thousand DEG C to four thousand DEG C works in the magnetofluid electric generator and is gas ionized at high temperature. In order to conduct effective electric generation, on the basis that the conducting performance of the ionized gas cannot meet requirements, seeds, namely metal ions such as potassium and cesium are added; while, when airflow containing the metal ions passes through an electric generating channel in a high-intensity magnetic field at high speed and reaches an electrode, the electrode is corroded. Rapid corrosion of the electrode is the largest problem for the magnetofluid electric generator, and seed recycling problem also exists. Therefore, the novel magnetofluid electric generator without seeds solves seed adding and recycling problems, and avoids inconvenience caused by corrosion of the channel electrode.

The invention discloses a magnetofluid wave energy underwater charge platform with a compact structure, low noise and high reliability. The charge platform mainly consists of a support, a heaving floater, a connecting rod, a vertical pipe, limited blocks, a main piston, hydraulic devices, reciprocating type liquid metal magnetohydrodynamic generators, an underwater floater, unmanned underwater vehicle docking base stations, an energy storing device, a communication device, a mooring device and a control system, wherein the components are vertically suspended in seawater. The reciprocating type liquid metal magnetohydrodynamic generators which are matched with wave kinetic characteristic and are high in power density are adopted by the invention instead of the existing high-speed rotating generator, so that wave energy is directly converted into electric energy, continuous power supply is provided for the unmanned underwater vehicle docking base stations, and energy source supply is carried out on an unmanned underwater vehicle. Besides charging the unmanned underwater vehicle, the charge platform can supplies power for a plurality of loads, such as a maritime safety monitoring platform, a maritime communication relay station and an ocean observation and measurement platform.

The invention discloses a weak knock method and device based on unbalanced plasma propelling gas. The device comprises a plasma contraction generating pipe, weak knock chamber and a magnetic fluid power generating chamber. The plasma contraction generating pipe is provided with a fuel gas and oxidant inlet and connected with the weak shock chamber. The weak shock chamber is connected with the magnetic fluid power generating chamber. The magnetic fluid power generating chamber supplies power for the plasma contraction generating pipe. The weak knock device has the advantages that weak knock inlet parameters are adjusted by utilizing the unbalanced plasma propelling gas, the outlet parameters of the unbalanced plasma propelling gas can be kept in a stable range when external parameters change, stable inlet parameters of weak knock are achieved, and stable and continuous weak knock can be achieved.

A magnetohydrodynamic generation device belongs to the technical field of generator, and is to provide a magnetohydrodynamic generation device having high generating efficiency and meeting requirement of automobile. According to the technical essential, a square cross section passage in box structure consists of two opposite electrode walls (1) and two opposite magnetic pole walls having inverse polar phases constitute; the passage is a linear vertical expansion passage, and is larger and larger from an entrance of the passage; the outlet section is larger than the section of the entrance; the electrode walls consist of poles (11), copperplates (12) connected with the poles, and fiberglass reinforced plastics (14) adhering to the copperplates from interior to exterior; the magnetic pole walls consist of neodymium iron boron sheets (21), steel plates (22) fixing the neodymium iron boron sheets and fiberglass reinforced plastics (24) adhering to the neodymium iron boron sheets. The utility model makes use of interaction between thermion gasses of automobile off-gas and the magnetic field, directly converts heat energy into electrical energy; the utility model both makes use of fuel energy source, but also is environmentally protective. In addition, the utility model has no moving parts, is started up quickly, outputs direct current and meets automobile utilization characteristics.

The invention discloses a liquid metal pressure-driven type robot joint and self-generating electricity device. The liquid metal pressure-driven type robot joint and self-generating electricity devicecomprise a thermal-temperature-difference electricity generation liquid metal pressure working cylinder, a liquid metal magnetofluid generator, a servo valve, a magnetic pump, a robot joint body, a sensor, an intelligent controller, a one-way valve, a filter, an overflow valve and a liquid metal storage tank, a super capacitor. The liquid metal pressure working cylinder and a thermal-temperature-difference generator are combined to form an integrated structure, and the thermal-temperature-difference electricity generation effect is produced. The thermal-temperature-difference electricity generation liquid metal pressure working cylinder and the liquid metal magnetofluid generator are combined, and liquid metal of the robot joint device passes through a magnet and cuts a magnetic force line to produce liquid metal magnetofluid electricity generation effect. Therefore, the robot joint device has the dual self-generating electricity functions of thermal temperature difference electricitygeneration and magnetofluid electricity generation, and provides the electric energy guarantee for the walking motion of a robot.

The invention relates to a free piston stirling engine with magnetofluid for power generation and a work method of the free piston stirling engine, and belongs to the field of utilization of heat engines. According to the free piston stirling engine, gas work medium carries out stirling cycle in a gas distribution piston system (6) to generate pushing force for a power piston (18) in a power piston system (19) so that an auxiliary piston (22) can be driven to reciprocate in an auxiliary piston air cylinder (24). The auxiliary piston (22) pushes metal liquid (25) to circularly reciprocate in a magnetofluid passage (26), so that the strong magnetic field generated by a permanent magnet S (20) and a permanent magnet N (23) is transversely cut, electric potential of certain intensity is generated, and power generation is realized through the potential difference. The efficient and stable stirling engine is used for providing power, the magnetofluid power generation technology is adopted to generate electricity, and by combining the stirling engine and the magnetofluid power generation technology, an efficient, stable and continuous power generation technology is realized. The free piston stirling engine with magnetofluid for power generation is provided with three pistons, has high stability, and meanwhile is simple in structure and low in machining cost.

The invention discloses a thermo-acoustic three-phase alternating current generating system driven by a double-temperature-position heat source. The thermo-acoustic three-phase alternating current generating system comprises a magnetic fluid electric generating device and a thermo-acoustic converting device forming a loop. The loop is filled with a phase-changeable work medium, the liquid phase of the phase-changeable work medium serves as the work medium of the magnetic fluid electric generating device, and the gas phase of the phase-changeable work medium serves as the medium of the thermo-acoustic converting device. The magnetic fluid electric generating device and the matched thermo-acoustic converting device serve as a loop unit, the thermo-acoustic three-phase alternating current generating system at least comprises two loop units, and the loop units are communicated with each other to share the phase-changeable work medium. A certain amount of acoustic power is produced through a gas-liquid phase change thermo-acoustic converting mechanism, and a traveling wave thermo-acoustic engine serves as an amplification stage to amplify the produced acoustic power. A medium temperature heat exchanger and a high temperature heat exchanger are different in heating temperature, the double-temperature-position heat source can be used for driving the system to work, and the utilization rate of a medium and low temperature position and low grade heat source can be increased. Gas-liquid phase change exists in the system, and therefore the self-adaptation adjusting capacity is achieved.

The invention provides an annular channel liquid metal magnetohydrodynamic generator of which an annular magnetohydrodynamic generation cahnnel (2) penetrates through a magnet annular magnetic hole (1-3); and magnetohydrodynamic channel transition segments (6-1, 6-2) are symmetrically connected at the two ends of the annular magnetohydrodynamic generation cahnnel (2). The other end of the first magnetohydrodynamic channel transition segment (6-1) is connected with a first piston cylinder (7-1). The other end of the second magnetohydrodynamic channel transition segment (6-2) is connected with a second piston cylinder (7-2). A first piston (8-1) is coaxially arranged in the first piston cylinder (7-1). A second piston (8-2) is coaxially arranged in the second piston cylinder (7-2) A sealed communicating space is formed by the pistons, the piston cylinders, the magnetohydrodynamic channel transition segments and the annular magnetohydrodynamic generation channel (2), and the communicating space is fully filled with liquid metal (9). Liquid metal (9) flows along an axial direction in the annular magnetohydrodynamic generation channel (2) so that radial magnetic lines of force are cut and tangential induced current is generated.

The invention discloses a liquid metal magnetohydrodynamics generation system driven by a single-loop travelling-wave thermoacoustic engine. The liquid metal magnetohydrodynamics generation system comprises the single-loop travelling-wave thermoacoustic engine (1), wherein a U-shaped electrical insulation pipeline is arranged between a resonatron (16) and a containing cavity (17) of the single-loop travelling-wave thermoacoustic engine (1); the electrical insulation pipeline is full of a liquid metal working medium; and a liquid metal magnetohydrodynamics generator (2) is arranged in the electrical insulation pipeline. Compared with the existing thermoacoustic driven magnetohydrodynamics generation system, the thermoacoustic engine in the liquid metal magnetohydrodynamics generation system driven by the single-loop travelling-wave thermoacoustic engine is small in size, light in weight, high in energy density and low in onset and operating temperature, and is more suitable for utilization of heat sources in medium and low temperature zones; and in addition, the output characteristic of the generation system is well improved, so that demands of power transmission and power utilization equipment can be well met.

The invention discloses a double-channel liquid metal magnetic fluid power generator. The double-channel liquid metal magnetic fluid power generator comprises a main hydraulic cylinder assembly and at least one set of power generation unit, wherein each power generation unit comprises an upper piston assembly, an upper transition section, a lower transition section, a lower piston assembly and an effective magnetic fluid power generation section; each upper piston assembly and each lower piston assembly are respectivelycommunicated with a main cylinder through an upper connecting pipe and a lower connecting pipe; each effective magnetic fluid power generation section comprises a first magnetic fluid power generation channel, a second magnetic fluid power generation channel, a magnet, a first electrode pair, a second electrode pair and an insulation plate; a sealed communicating space filled with liquid metal is formed among each upper piston assembly, each upper transition section, each first magnetic fluid power generation channel, each second magnetic fluid power generation channel, each lower transition section and each lower piston assembly. The double-channel liquid metal magnetic fluid power generator has the advantages that the manufacturing cost of the power generator is reduced, the usage amount of magnets is reduced, the weight and size of the power generator are further reduced, and the structure of the power generator is more compact.