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INVENTION
Patent of the Russian Federation RU2182986
METHOD OF AUTONOMOUS POWER SUPPLY AND THERMAL SUPPLY OF AGRICULTURAL CONSUMERS AND DEVICE FOR ITS IMPLEMENTATION
The name of the inventor: Antonov Yu.M.
The name of the patent holder: State Scientific Institution All-Russian Scientific Research Institute of Agriculture Electrification
Address for correspondence: 109456, Moscow, 1-st Veshnyakovskii pr-d, 2, VIESKH, ONTI and patenting, OV Golubeva
Date of commencement of the patent: 2000.07.11
The invention relates to the field of wind power and agriculture, in particular to installations providing electric power and heat to consumers remote from sources of centralized electricity and heat supply. The technical result, which consists in reducing the consumption of gas fuel through the use of environmentally friendly renewable energy sources in the form of wind and sun for the needs of agricultural consumers, is provided by generating electrical energy with a wind power unit, then accumulating it in an electric energy storage, where Accumulate the electrical energy obtained by converting the heat of combustion of the gas and direct it to the consumer, and when the full battery level is reached, it is first disconnected from the thermoelectric generator and then from the wind power unit, and simultaneously with the battery disconnection from the thermoelectric generator, the gas supply In the thermoelectric generator, and when the battery charge level drops below the permissible value, it is firstly connected to the wind power unit, then to the thermoelectric generator, which, simultaneously with the connection to the battery, is driven by the gas supply and its combustion, and the heat of the gas burned in the thermoelectric generator, not converted In electric, transmit in the accumulator of heat, and from it to the consumer, and in it the heat received by transformation of solar energy is directed. This method of autonomous electricity and heat supply to agricultural consumers is realized in the corresponding device.
DESCRIPTION OF THE INVENTION
The invention relates to the field of agriculture, in particular to the provision of electrical energy and heat to agricultural and other consumers remote from sources of centralized power supply and heat supply.
Autonomous power supply systems for agricultural consumers are known, in which electric power sources are benzoelectric or diesel-electric aggregates (see the book: Sulg PA, "Benzoelectric and diesel-electric aggregates of radio transmission units and rural communication enterprises", M., Sviaz, 1970).
There are known autonomous heating systems for agricultural consumers, using as heat sources furnaces and boilers of various designs, for burning solid, liquid and gaseous fuels in them.
There are known autonomous systems for the combined production of electrical energy and heat. The main element of such systems is a diesel-electric unit that generates electric energy, and the diesel engine of this unit is equipped with heat exchangers, by means of which the heat of the engine cooling liquid and the heat of the engine exhaust gases is used to heat external (with respect to the diesel engine) liquid or air, In turn, are heat carriers in heating systems of agricultural consumers. (Antonov Yu.M. "Combined generation of electricity and heat at agricultural facilities." Abstracts of the Seminar: Problems of Development and Use of Small and Renewable Energy in Russia ", St. Petersburg, 1997).
The closest in technical essence to the proposed invention is an autonomous combined system of electricity supply and heat supply to agricultural consumers, using for this purpose one type of energy carrier, namely gas. (See article Prishchep LG, Antonov Yu.M. "Power supply of autonomous consumers", ж-л "Mechanization and electrification of socialist agriculture", 1974, 9).
The main element of this system is a thermoelectric generator that converts the heat of combustion of gas (direct conversion) into electrical energy. The substance cooling the thermoelectric generator transfers heat to the consumers.
The disadvantage of the system described above is the constant consumption of gas (compressed natural or liquefied), the delivery of which to remote agricultural facilities requires large material costs.
The aim of the proposed invention is to reduce the consumption of gas fuel by using environmentally friendly renewable energy sources, namely wind and solar to generate electricity and heat for the needs of agricultural consumers.
As a result of the use of the invention, gas fuel is saved and, consequently, the economy of material means for its delivery.
The above technical result is achieved by generating electric energy by means of a wind power unit, then accumulating it in an electric energy accumulator where the electric energy obtained by converting the heat of combustion of the gas is accumulated and directed to the consumer, and when the full battery level is reached, it is disconnected First of all from the thermoelectric generator and then from the wind power unit, and simultaneously with the battery disconnection from the thermoelectric generator, the gas supply to the thermoelectric generator is stopped, and when the battery charge level is lower than the permissible one, it is firstly connected to the wind power unit, then to the thermoelectric generator, In which, simultaneously with the connection to the battery, the gas is supplied and its combustion, and the heat of the gas burned in the thermoelectric generator, not converted into electric gas, is transferred to the accumulator of heat, and from it to the consumer, and the heat obtained by converting the solar energy is sent to it.
To realize this method of autonomous power supply and heat supply to agricultural consumers, a device is proposed.
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The device for autonomous power supply and heating of agricultural consumers includes a wind power unit connected via an automatic switching device with a thermoelectric generator and with an electric battery connected to an electric power consumer and the device comprises a solar installation for converting solar energy into heat connected to a thermoelectric generator, a heat accumulator, and The heat accumulator is connected to the user of heat. The essence of the invention is illustrated by a drawing, which shows a general scheme. The proposed device for implementing the method of power supply and heat supply to agricultural consumers includes a gas reservoir 1, a thermoelectric generator operating on gas 2, a wind power unit 5, an electric energy storage 3, an automatic switching device 6, a solar installation for converting solar energy into heat 9, a battery Heat 7, consumers of electrical energy 4, consumers of heat 8. |
OPERATION OF THE DEVICE CONCLUDES IN THE FOLLOWING
The gas from the reservoir 1 enters the thermoelectric generator 2, where the heat of combustion of the gas is converted into electrical energy, which accumulates in the accumulator 3, from which it is used by consumers of electrical energy. 4. The wind power unit 5 generates electric energy, which enters the accumulator 3, and from Him to consumers 4.
Upon reaching the full level of the battery 3, the automatic switching device 6 disconnects the battery 3 primarily from the thermoelectric generator 2 and then from the wind power unit 5, while the supply of gas to the thermoelectric generator 2 stops at the same time as the battery 3 is turned off from the thermoelectric generator 2. When the level Charge of the battery 3 below the permissible level, the automatic switching device 6 connects it primarily to the wind power unit 5, then to the thermoelectric generator 2, which simultaneously with the connection to the accumulator 3 resumes the gas supply and its combustion.
The heat of the gas burned in the thermoelectric generator 2 that is not converted into electric gas is absorbed by the substance cooled by the thermoelectric generator and transferred to the heat accumulator 7, and from it to the heat consumers 8. The unit 9 converts the energy of the solar radiation into heat that enters the heat accumulator 7 , And from it to consumers of heat 8.
The above described operation of the device for autonomous power supply and heating of agricultural consumers shows that the use of a wind power plant and an installation for converting the energy of solar radiation into heat allows reducing the operating time of a thermoelectric generator and reducing the consumption of gas consumed by this generator.
CLAIM
1. A method of autonomous power supply and heat supply to agricultural consumers, including the use of gas as an energy carrier for both electricity and heat, characterized in that it generates electrical energy with a wind power unit, then accumulates it in an electric energy accumulator, where it accumulates electric energy , Obtained by converting the heat of combustion of the gas, and direct it to the consumer, and when the full charge level of the battery is reached, it is first disconnected from the thermoelectric generator and then from the wind power unit, and simultaneously with disconnecting the battery from the thermoelectric generator, the gas supply to the thermoelectric generator , And when the battery charge level is lower than the permissible one, it is connected first of all to the wind power unit, then to the thermoelectric generator, which simultaneously with the connection to the battery is driven by the gas supply and its combustion, and the heat of the gas burned in the thermoelectric generator, not converted to electric, Transfer to the accumulator of heat, and from it to the consumer, and in it the heat received by transformation of solar energy is directed.
2. An apparatus for autonomous power supply and heating of agricultural consumers, comprising a gas reservoir, a thermoelectric generator operating on gas, characterized in that it comprises a wind power unit connected via an automatic switching device with a thermoelectric generator and an electric battery connected to a consumer of electrical energy, And the device comprises a solar installation for converting solar energy into heat, connected to a thermoelectric generator, a heat accumulator, wherein the heat accumulator is connected to a heat consumer.
print version
Publication date 31.01.2007gg
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