Method and device for conversion of thermal energy to electrical energy

FIELD: heating.

SUBSTANCE: device for implementation of the method includes heater-evaporator 1 with heat exchange ribs 2, airlift 3, condenser 4, ejector 5, energy converter 6, and branch pipe 7. Liquid 8 circulates inside the device.

EFFECT: simpler implementation of the method and the design; improved reliability, durability, ecological and economical properties; enlarged field of application.

14 cl, 2 dwg

 

Area of technology

The invention relates to methods and devices for converting thermal energy into electrical energy and can be used as an Autonomous source of electrical energy, using heat, such as solar thermal energy or any other source of heat.

The level of technology

The prior art discloses means and methods for converting thermal energy into electrical energy (see US 4381463 A, 26.04.1983; US 4454865 A, 19.06.1984), used to heat the working fluid of solar energy. The principle of operation of the known methods and devices based on convection circulation conductive working body and it passes through the MHD generator to produce electrical energy. The disadvantages of the known methods and devices are: the complexity of the implementation, economically inefficient, environmentally unfriendly, due to the use as a working body of liquid metals, in particular mercury.

A device of the power plant (see JPS 62272860 A, 27.11.1987) is used as the conductive medium ionized fluid passing through the MHD generator. The disadvantages of the known devices are, in particular: manufacturing complexity, low reliability due to the operation of the device at high pressures.

Known�about a device converting solar energy into electrical energy (see US 4191901 A, 04.03.1980), using as the working medium is an organic liquid. The disadvantages of the known devices, in particular, are: the design complexity and low reliability due to the need to work at high pressures to ensure the passage of the working fluid through the MHD generator.

As the closest analogue of the adopted method and device for converting thermal energy, known from RU 2013743 C1, 30.05.1994. The known method includes cyclic heating and evaporation of liquid, vapor transport, their further condensation, in the zone located above the evaporation zone, and the direction of liquid from the condensation zone in the device energy conversion. The known device contains a liquid in a closed circuit comprising a series connected heater-evaporator, the condenser and the energy Converter. The capacitor is placed upstream relative to the heater-evaporator, and all the elements of the device are connected by insulated tubing. The disadvantages of the known device and method, like the above-mentioned tools and methods are: implementation complexity, low reliability, due to the need to provide a reinforced airtight connection elements for operation at high pressures.

Disclosure of the invention

W�giving of the invention is to develop solutions for converting thermal energy into electrical energy, devoid of the disadvantages of the known means and methods of the assignment.

The technical result of the proposed invention is to simplify the implementation of the method, the design of the device, increase reliability, durability, environmental friendliness and economy, the extension of the scope.

The technical result is achieved in the method of converting thermal energy into electrical energy, comprising cyclic heating and evaporation of liquid, vapor transport, their further condensation, in the zone located above the evaporation zone, and the direction of liquid from the condensation zone in the device energy conversion. A part of the heated fluid is sent directly to the device energy conversion, forming a convection loop, in the condensation zone, together with pairs, by means of airlift that transported the other part of the liquid and use the liquid from the condensation zone to accelerate the fluid in the convection path, and in the condensation zone to provide atmospheric pressure.

As the energy Converter can be used magnetohydrodynamic generator or turbine with the generator.

The liquid may contain salt and/or antifreeze and carbon nanotubes. And as the liquid water may be used.

Heating and evaporation of liquid� can be done with the help of solar energy.

The technical result is achieved in a device for converting thermal energy into electrical energy, containing the liquid in a closed circuit comprising a series-connected, by means of insulated piping, the heater-evaporator, the condenser and the energy Converter. It generated additional convection circuit for fluid through the additional connection of the output of the heater-evaporator of the power Converter, water heater-evaporator and condenser installed the airlift, and the connection of the capacitor with the energy Converter is performed via convection circuit with the capability of accelerating the flow of fluid through the circuit, the capacitor being configured to provide therein the atmospheric pressure.

As the energy Converter can be used magnetohydrodynamic generator or turbine with the generator.

The liquid may contain salt and/or antifreeze and carbon nanotubes. And as the liquid water may be used.

Heater-evaporator may be configured to receive thermal energy from the sun. In the case of opaque fluid heater-evaporator is transparent, and in the case of clear fluid heater-evaporator is opaque. Heating�tel-evaporator may contain a heat exchanger fin. In a transparent heater-evaporator of the heat exchange fins are inside him, and in an opaque heater-evaporator of the heat exchange ribs are heated at his side and facing the inside. Heat transfer fin is made of dark or black plastic, or made of blackened copper.

Brief description of the drawings

Fig.1 is a schematic view of an apparatus for converting thermal energy into electrical energy using a transparent liquid.

Fig.2 is a schematic view of an apparatus for converting thermal energy into electrical energy using an opaque or translucent liquids.

The implementation of the invention

The proposed invention is designed to convert thermal energy into electrical energy and can be used as an Autonomous source of electrical energy, as individual domestic use, and industrial. As heat sources you can use fuel sources, radioisotope, nuclear heat nuclear reactor), solar, recycling, and heat from all sources that emit waste heat (exhaust, kiln gases, etc.). The proposed solution can work in the system, for example, by merging with the heating and hot water powered by solar energy, such as solar collectors.

SunOS�ü the proposed method is to provide a dual motion system fluid flows, one of which uses convection as the driving force, and the other used the airlift subsequent use of the potential energy of the gravitational field to accelerate fluid flow in a convection loop. Variant implementation of the proposed method is given below in the description of the devices running on its basis.

The device for implementing the method of converting thermal energy into electrical energy (Fig.1) contains serially connected in a closed loop heater-evaporator 1, the heat transfer fins 2, the airlift 3, the condenser 4, the ejector 5 and the power Converter 6. The output of the heater-evaporator 1 is further connected to the input of the fence ejected medium of the ejector 5, the nozzle of which is connected to the condenser 4. The connections between the elements of the device are performed by a heat-insulated pipes. The condenser 4 is located higher relative to the heater 1, and it made the pipe 7 serving for equalization of the internal pressure vapor-liquid medium with atmospheric and airlift 3. Through the pipe 7 is possible topping up fluid, in the case of evaporation and lowering the level in the rest of the time it is closed dust filter or membrane.

All of the elements of the device, with the exception of the energy Converter 6, can be made of plastic, such as �polikarbonat. Heat exchanger fin 2 can be made of dark or black plastic and made of blackened copper. The energy Converter 6 can serve as a magnetohydrodynamic generator (MHD generator) or liquid turbine with the generator.

The liquid 8 may contain salt and/or antifreeze and carbon nanotubes, and as the liquid water may be used. The percentage composition of the components of the fluid is selected from the necessary explotacion technical and economic requirements. For example, adding to the antifreeze fluid allows the device to operate at lower temperatures, the addition of salt also affects the freezing point depression of liquid and increases its conductivity. Add in the liquid composition of carbon nanotubes affects the heat transfer rate and conductivity. Additionally in the composition of the liquid can be injected dyes affecting its transparency to various embodiments of the device, which will be shown below.

One embodiment of the device uses a transparent liquid (Fig.1). Works device for converting thermal energy into electrical energy as follows. For example, as the source of heat is solar energy, which can be both direct and reflected through the reflector�. When you hit thermal (solar) energy to the heater-evaporator 1, heats the fluid 8, which starts the convection movement along the contour (convection circuit) that includes a heater-evaporator 1, the ejector 5, the energy Converter 6. To improve heat transfer, increase the intensity of the heat of vaporization and the liquid 8, at low irradiance, the use of heat exchanger fins 2. When using transparent fluid heater-evaporator 1 is opaque, and fin heat exchanger 2 is formed on the heated side and facing the inside. When the temperature of the liquid 8 starts the boiling process and part of it passes into the gaseous state (vapor) to form a mixture of liquid and vapor. Due to the difference between the vapor pressure and atmospheric pressure, provided by the pipe 7 in the condenser 4, the liquid 8 is starting to climb the airlift 3 to the condenser 4. The accumulation of fluid 8 in the condenser 4, it is directed into the nozzle of the ejector 5. Due to the difference in elevation between the condenser 4 and the ejector 5, the liquid 8 at the outlet of the condenser 4 has potential energy, in which the ejector 5 is converted into kinetic and transmitted to the fluid flow 8 in a convection loop, accelerating its movement along the contour.

When used as the energy Converter 6 MHD gene�rathor, electrical energy is formed by passing through a conductive liquid 8. In the case of turbine generator converts energy of fluid flow 8 into mechanical energy of rotation of the turbine and then into electricity. Received at the Converter 6, the electrical energy is supplied to customers.

The device can operate in low heat flux and high temperatures, when the evaporation of the liquid 8 is not possible. In this case, the energy conversion device is due to the work of the convection loop.

The second variant of the device shown in Fig.2, working by analogy with the first embodiment. The difference is the use of a transparent heater-evaporator 1. To absorb solar energy in it used opaque or translucent liquid 8. In the case of using a translucent liquid 8 is possible to install a heat exchanger 2 ribs inside the transparent heater-evaporator 1, and in the case of using an opaque liquid 8 the need for them disappears completely.

The proposed method and device for converting thermal energy into electrical energy do not require collateral sealed seams and materials intended for operation at high pressures, allowing �to forgive and to reduce the cost of implementation of the method and the design of the device, to increase their reliability and durability in operation. The possibility of using different energy converters and work in a wide temperature range expands the scope of the invention. In addition, due to the design and principle of operation, the device may be made of plastic and use environmentally friendly fluid that increases its sustainability and efficiency, unlike similar devices using the liquid freon, mercury, etc.

Thus, the proposed solution provides a receipt of the above, the technical result.

It should be noted that the description and the drawings are given only as examples and do not limit the possible modifications of the technical solution under the proposed formula.

1. A method of converting thermal energy into electrical energy, comprising cyclic heating and evaporation of liquid, vapor transport, their further condensation, in the zone located above the evaporation zone, and the direction of liquid from the condensation zone in the device energy conversion, characterized in that the portion of the heated fluid is sent directly to the device energy conversion, forming a convection loop, in the condensation zone, together with pairs, by airlift, transport�are another part of the liquid and use the liquid from the condensation zone to accelerate the fluid in the convection loop moreover, in the condensation zone to provide atmospheric pressure.

2. A method according to claim 1, characterized in that the energy Converter using magnetohydrodynamic generator or turbine with the generator.

3. A method according to claim 1, characterized in that the liquid contains salt and/or antifreeze and carbon nanotubes.

4. A method according to claim 1, characterized in that the liquid is water.

5. A method according to claim 1, characterized in that the heating and the evaporation of a liquid is carried out using solar energy.

6. Device for converting thermal energy into electrical energy, containing the liquid in a closed circuit comprising a series-connected, by means of insulated piping, the heater-evaporator, the condenser and the power Converter, characterized in that it formed an additional convection circuit for fluid through the additional connection of the output of the heater-evaporator of the power Converter, water heater-evaporator and condenser installed the airlift, and the connection of the capacitor with the energy Converter is performed via convection circuit with the capability of accelerating the flow of fluid through the circuit, the capacitor being configured to provide therein the atmospheric pressure.

7. The device according to claim 6, characterized in that the ka�ETS energy Converter uses a magnetohydrodynamic generator or turbine with the generator.

8. The device according to claim 6, characterized in that the liquid contains salt and/or antifreeze and carbon nanotubes.

9. The device according to claim 6, characterized in that the liquid is water.

10. The device according to claim 6, characterized in that the heater-evaporator configured to receive heat energy from the sun.

11. The device according to claim 10, characterized in that in the case of opaque fluid heater-evaporator is transparent, and in the case of clear fluid heater-evaporator is opaque.

12. The device according to claim 11, characterized in that the heater-evaporator comprises a heat transfer fin.

13. The device according to claim 12, characterized in that the transparent heater-evaporator of the heat exchange fins are inside him, and in an opaque heater-evaporator of the heat exchange ribs are heated at his side and turned inward.

14. The device according to claim 12, characterized in that the heat exchanger fins are made of dark or black plastic, or made of blackened copper.



 

Same patents:

FIELD: electricity.

SUBSTANCE: vertical wind power generator contains support pillar (1), at least one generator units (2), at least two blades (3), excitation control device, rectifier, reverse frequency converter, flanges, supports, cooling system, hoisting mechanism (80) and hoisting system. Generator unit (2) contains fixing mechanism, generator and exciter. Fixing mechanism contains external and internal fixing mechanisms. Generator contains stator and rotor. Exciter contains stator and rotor.

EFFECT: vertical wind power generator can be made with cost reduction, fast start-up possibility; it improves wind energy efficiency and has higher efficiency of generator cooling thus increasing its service life and reducing costs and time for its maintenance.

17 cl, 32 dwg

FIELD: electricity.

SUBSTANCE: invention is realised by generation of working voltage pulses in a stator winding (15) at the moment of approach of opposite magnetic poles of the stator (13), (14) and a rotor electromagnet (1). The magnetic field of the rotor electromagnet is generated by voltage pulses sent to the rotor winding from an outer source of power supply (4) via brushes (3) and contact semirings (2) only at the moments of approach of opposite magnetic poles of the rotor (1) and stator (2). At the moments when magnetic poles of the rotor and stator move away from each other, contact of brushes and rotor semirings is interrupted, and the magnetic field of the rotor disappears. And electromagnet forces that brake rotor rotation also disappear.

EFFECT: saving electric energy for a process to generate electric pulses with a power generator due to the fact that it is only used to supply to rotor electromagnets, and also by liquidation of electromagnetic forces braking rotor rotation at the moment when its magnetic pole moves away from a stator magnetic pole.

1 dwg

FIELD: electricity.

SUBSTANCE: invention relates to features of electric machine design, namely to synchronous electric machines excited from permanent magnets, which together with available advantages have certain disadvantages, for instance quite complicated start-up and control characteristics and relative low efficiency factor. In order to preserve positive and reduce negative properties of contactless electric machines (CEM) with permanent magnets and CEM with excitation windings, CEM were developed with combined excitation. Disadvantages of these machines consist in consumption of high reactive power from external grid in process of operation, and also in considerable asymmetry of magnetic circuit. In design of proposed machine, windings of stator and rotor of power set have individual exciters, in which windings of anchors have shape of hollow cylinder and are located between poles of permanent magnets of their inductors and outer magnetic conductors. Electromagnet machine with combined excitation operates from interaction of explicit electromagnet poles of stator and rotor of power set, in the first ones of which polarities change eight times per single turn, and in the second ones - four times. Besides fixed poles of stator and movable ones of rotor change their signs at different time in different phases. Therefore, in front of rotor poles there will always be fixed poles of stator with opposite polarities, and behind them there will be stator poles with identical polarities, accordingly, each electromagnet explicit pole of power set rotor is always exposed to two positive forces directed towards the same side along with rotor rotation. These forces are proportionate to magnetic permeabilities of conductors of electromagnetic poles of stator and rotor of power set in proposed electric machine.

EFFECT: improved start-up and adjustment characteristics and considerable increase of efficiency in contactless electromagnet machines with combined excitation.

4 dwg

The invention relates to electrical engineering and energy, and more particularly to a "low" energy independent power sources based on power units of small capacity, able to work in the field in automatic mode at least 1 - 2 years

Electronic device // 2052884
The invention relates to the field of microelectronic cooling equipment with integral high density of components components

The invention relates to a cooling apparatus of an aircraft

FIELD: heating.

SUBSTANCE: system of solar heat and cold supply and quality air exchange in buildings includes a southern air pipeline made from material absorbing solar radiation and a northern air pipeline, which are located on the corresponding sides of a building, a thermal accumulator forming together with the building floor an underground air pipeline interconnected with the southern air pipeline, as well as heat exchange and ground air pipelines, which are located under the thermal accumulator one above another, the first one of which is interconnected with the northern air pipeline, and the second one is provided with ground heat-conducting pipes; with that, the system is provided with a vortex pipe arranged in the thermal accumulator, and the heat exchange air pipeline is provided with a suction filter that is installed in a room and made in the form of an inside air cleaning assembly, consists of a diffuser with longitudinally arranged screw-shaped grooves entering an annular groove connected to a contamination collector, in which a dehydrating device in the form of a tank with an adsorbing substance is arranged.

EFFECT: invention shall provide for cleaning of exit air and elimination of scents specific for cattle farms.

3 dwg

FIELD: electricity.

SUBSTANCE: system of electric power generation from sun energy, using biofuel boiler (6) as additional heat source, includes concentrating sun collector, biofuel boiler (6), turbine generator. Concentrating sun collector utilises water as work medium and medium-pressure sun collector tubes (13) combined in a serial and parallel matrix, concentrating sun collector output is connected to the base of drum (6a) of biofuel boiler (6) via second control valve (22), and steam output of biofuel boiler drum (6a) is connected to cylinder (3) of the turbine generator (1). Such system utilises sun energy and heat source of biofuel boiler selectively, depending on weather conditions. Additionally the invention claims method of electric power generation using the system.

EFFECT: stable operation enhancing operation efficiency.

12 cl, 4 dwg

FIELD: heating.

SUBSTANCE: invention is intended to maintain comfortable air parameters in low buildings, mainly in cattle farms. Solar heat and cold supply system includes south air duct made of material absorbing solar radiation and north air duct, located at respective building sides, heat collector, together with the building floor forming a subfloor air duct connected to the south air duct, and heat exchange and underground air ducts positioned one over the other below the heat collector, where heat exchange air duct is connected to the north air duct, and underground air duct is equipped with underground heat transfer pipes; the system features a vortex tube in the heat collector, vortex tube input connected to subfloor air duct, cold channel connected to transfer piece, and hot channel connected via heat collector to underground air duct; subfloor and underground air duct outputs are connected to cold channel of vortex tube where a filter is installed downstream of air duct connection point; south and north air ducts are opened to ambient air, and heat exchange air duct is opened to indoor space; special feature of the system is the underground air duct made of composite material including metal base, heat insulation and heat accumulation thin-fibre basalt and waterproof layer, where thin-fibre basalt is stretched lengthwise along underground air duct and attached between metal base and waterproof layer.

EFFECT: prevention of heat loss during long-term operation in variable temperature and humidity conditions of ground, affecting elements of solar heat and cold supply system by implementation of underground pipeline out of composite material with fixated thin-fibre basalt stretched lengthwise between metal base and waterproof layer.

2 dwg

FIELD: electricity.

SUBSTANCE: invention is related to renewable energy sources and intended for generation of electric energy for charging of hybrid and electric cars as well as cars with flywheel-type energy storage units. The multifunctional stand-alone hybrid charging station (MSAHCS) may be used as a stand-alone power plant for production and household use by consumers, video monitoring of the environment, instrument monitoring of meteorological and ecological situation in the location area. In MSAHCS the correlation between elements of its design is introduced and also the functional interaction of the above elements is given.

EFFECT: invention allows charging of hybrid and electrical cars and flywheel-type energy storage units independently from conventional energy sources; joint use of renewable sources of solar energy, geothermal energy and wind energy any time any day in the year round; effective recovery of electric energy from the MSAHCS shaded side using helio-spotlights as well as weather and environment monitoring; hot water supply for the MSAHCS needs.

10 cl, 6 dwg

FIELD: heating.

SUBSTANCE: invention is intended to maintain the comfort of air parameters in low-rise buildings, mainly on livestock farms. The system of helio-thermo-cold supply comprises the southern, made of the material absorbing solar radiation, and northern air ducts located on respective sides of the building, the heat accumulator which forms with the floor of the building the underground air duct which communicates with the southern, as well as located under the heat accumulator one above the other heat exchanging and ground air ducts the first of which communicates with the northern, and the other is provided with the ground heat-conducting tubes, and the system is equipped with a vortex tube located in the heat accumulator, communicated with its inlet to the underground air duct, with the cold duct - with the room, and hot - through the heat accumulator to the ground air duct, the outputs of the underground and the ground air ducts are connected to the cold duct of the vortex tube, and behind the place of their connection the filter is mounted, and the southern and northern air ducts are communicated with the atmosphere, and heat exchanger - with the room, and the system is equipped with a thermoelectric generator, made in the form of a housing and a set of differential thermocouples, and the passageway for hot coolant is located in the housing and the passageway for the cold coolant, moreover, the inlet pipe of the passageway for the hot coolant is connected by the channel of hot flow of the vortex tube, and with its outlet pipe - with the ground air duct, at that the inlet pipe of the passageway for the cold coolant is connected to the channel of the cold flow of the vortex tube, with its output pipe - to the room.

EFFECT: reducing the power consumption of the system of helio-thermo-cold supply by using the temperature difference of cold and hot flows of the vortex tube to generate electricity by the thermoelectric generator.

2 dwg

FIELD: agriculture.

SUBSTANCE: invention relates to agriculture, in particular, to methods and devices for providing energy to remote agricultural facilities not equipped with stationary energy supply. The method of fan concentration of solar power lies in fan concentration of solar irradiation, and the concentrated irradiation with one concentrator with a mirror reflector is transmitted to the next one. The device of fan concentration of solar power comprises paraboloidal concentrators with mirror reflectors in focus. Summation of the energy of solar irradiation is carried out by fan set of the predetermined number of concentrators with mirror reflectors in focus. The predetermined receiving power of solar irradiation is obtained by calculation of the required number of fan concentrators.

EFFECT: improvement of efficiency of the method.

4 cl, 5 dwg

FIELD: power engineering.

SUBSTANCE: solar-wind water distiller comprises a reservoir for water desalination, a transparent condenser installed above it with a nozzle for outlet of the steam and air mixture in the upper part with a propeller installed in it and fixed on the shaft of the wind engine. A non-transparent condenser is installed above the transparent one, being connected in the upper part with a circulating pipeline, which ends with a circular distributor in the reservoir. A conical tube is fixed to the shaft on the lower and upper crosspieces, and the tube has helical triangular thread on the outer surface in the direction opposite to the rotation of the disc, with which it is partially connected. On the surface of the non-transparent condenser there are toroids, which are hydraulically communicated by pipes with a chute communicated with a pipeline with a reservoir of fresh water.

EFFECT: water distiller, if wind is available, will also work at night time.

3 cl, 2 dwg

FIELD: power engineering.

SUBSTANCE: photoelectric thermal system comprises at least one solar heat collector, a pipeline of liquid supply into a solar heat collector. a pipeline of liquid drain from the solar heat collector into an accumulator tank (thermos). At the same time the pipeline of liquid supply into the solar heat collector is connected at least with one photoelectric heat module arranged at the level that is lower than the solar heat collector and connected in series with it. Supply of the liquid into the photoelectric heat module is carried out via the pipeline from the discharge tank installed above the level of the solar heat collector, at least into one of pipelines a solenoid valve is mounted, there is at least one heat relay with a sensor individual for the photoelectric heat module or the solar heat collector. Control contacts of the solenoid valve are connected and switched with the help of a heat relay, at the same time the solar heat collector and the photoelectric heat module are made in the form of receivers of solar radiation, which represent reservoirs that have the shape of a rectangular parallelepiped, and on the working surface of the reservoir of the photoelectric heat module there is a battery of solar elements, inside of the reservoirs of the photoelectric heat module and the solar heat collector in parallel to the working surface with a gap relative to it there is a partition that does not reach the upper and lower wall of the reservoir.

EFFECT: usage of the invention makes it possible to generate electric energy and thermal energy, which will make it possible to provide for power supply of facilities of agricultural and individual purpose.

4 cl, 6 dwg

FIELD: heating.

SUBSTANCE: invention refers to solar engineering and can be used for carrying out chemical reactions. A solar power plant for chemical reactions includes branch pipes and a heater. The plant includes a cubic working chamber with a transparent opening, inside which a porous body is located, which is supported on both sides with branch pipes in the form of tubes, an upper branch pipe for initial reagents, and around the lower branch pipe there located is a spiral-shaped heat exchanger that is connected to cooling agent supply and discharge tubes; besides, hot cooling agent discharge from the housing is performed, and to the chamber there additionally installed from above is a branch pipe for discharge of gaseous reaction products with the spiral-shaped heat exchanger.

EFFECT: possibility of carrying out reactions between different reagents and improving use efficiency of renewed energy sources at carrying out high-temperature reactions.

1 dwg

FIELD: power industry.

SUBSTANCE: multipurpose solar power plant (hereinafter referred to as MSPP) refers to renewable power sources, and namely to use of solar radiation to generate electric power, provide hot water supply and natural illumination of rooms of different applications, which contains the following: an optically active transparent dome representing a rectangular biconvex lens, a photovoltaic panel, a solar collector, round flat horizontal dampers of hollow light guides, hollow light guide tubes, a heat-receiving copper plate of the solar collector, a solar light dissipator, micromotors of round flat horizontal dampers of hollow light guide tubes, round light-emitting-diode lamps, storage batteries, light and temperature sensors, an electronic control unit, a control panel, a storage tank, a heat exchanger, a pump, a check valve, six-sided copper pipelines, an inverter and a support with support racks to support MSPP structure.

EFFECT: reduction of financial costs for conventional electric power, conversion of the solar power to electric and thermal power, for natural illumination of rooms of different applications and as energy-active roofs of different buildings.

10 cl, 4 dwg

Heat engine // 2099560

FIELD: heating.

SUBSTANCE: device for implementation of the method includes heater-evaporator 1 with heat exchange ribs 2, airlift 3, condenser 4, ejector 5, energy converter 6, and branch pipe 7. Liquid 8 circulates inside the device.

EFFECT: simpler implementation of the method and the design; improved reliability, durability, ecological and economical properties; enlarged field of application.

14 cl, 2 dwg

FIELD: machine building; power engineering.

SUBSTANCE: invention can be used in designs of turbo compressor plants with closed thermodynamic Brayton cycle. Turbo compressor power plant comprises turbo compressor, heater of working medium and heat exchanger-recuperator, all integrated into closed circuit. At output of direct-flow turbine impeller straightener is arranged in form of circular blade array formed by hollow blades with flow channels interconnected with concentrically arranged external and internal headers. Outer header is divided into two semi-headers, one of which is connected with compressor outlet, and other is with heat receiving path of heat exchanger-recuperator.

EFFECT: higher efficiency of power plant cycle and reducing its weight.

1 cl, 3 dwg

FIELD: power engineering.

SUBSTANCE: plant has a circuit for circulation of working fluid. The circuit comprises steam generator provided with branch pipes for supplying fluid and discharging steam, steam turbine combined with the electric generator, regenerative heater with branch pipes for supply and discharge of heating and heated fluids, circulation pump for pumping fluid, circuit for circulation of heat carrier tank for exhaust heat carrier, and circulation pump for heat-transfer agent. The solar receiver is made of independent sections interconnected in parallel. The heat carrier circulation circuit is provided with pressure vessel.

EFFECT: enhanced serviceability and simplified design.

5 cl, 1 dwg

FIELD: solar power engineering.

SUBSTANCE: solar power plant includes solar battery having at least two solar heat collector mutually joined through branch pipe. Said collectors are provided with individual heat pickups and individual pipelines for discharging hot water out of them through connection branch pipes. Shut-off devices are mounted in zones of crossing of branch pipes and pipelines. Pipeline for supplying water from accumulating tank to solar battery includes water pump; accumulating tank includes two heat exchangers of different volumes. Heat exchanger of large volume is designed for water used for heating; heat exchanger of small volume is designed for water used for domestic purposes. Solar heat collector includes transparent panel; heat absorbing panel in the form of set of parallel metallic tubes for liquid heat transfer agent connected with lower surface of metallic radiant-energy absorbing sheet; heat insulation layer and supporting heat insulation panel. Parallel metallic tubes of heat absorbing panel are pressed-in to metallic radiant energy absorbing sheet, they are arranged along short sides of said sheet and mutually connected by means of tubes arranged along long sides of sheet. Supporting heat insulation panel, heat insulation layer, heat absorbing and transparent panels are fluid-tightly connected one to other for forming rigid structure construction, for example with use of bolts. On upper and lower surface of said construction along its perimeter metallic or polymeric shapes are mounted.

EFFECT: enhanced efficiency of using solar energy.

17 cl, 3 dwg

Up!