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INVENTION
Patent of the Russian Federation RU2105191
METHOD OF TRANSFORMATION OR USE OF ENERGY OF ENVIRONMENTAL MEDIA CONTAINING INCLUSION OF COMPRESSED GAS OR VAPOR FOR ELECTRICITY PRODUCTION
The name of the inventor: Repin Lev Alexandrovich
The name of the patent owner: Repin Lev Aleksandrovich
Address for correspondence:
Date of commencement of the patent: 1995.09.07
Usage: in the energy sector, in particular refers to the use of energy of compressed gas or vapor contained in a liquid used as a working medium. SUMMARY OF THE INVENTION: as a heat engine, a screw expander is used, the pressure of the working fluid is reduced simultaneously with its degassing or vaporization and using the energy of the released gas or steam to produce mechanical energy converted into electrical energy, with geothermal water, superheated water from Hot-water boilers, gas-saturated oil. The proposed method can be implemented in geothermal power plants during gas oil gas degassing, using the energy of superheated water in hot water boilers.
DESCRIPTION OF THE INVENTION
The invention relates to power engineering, in particular to the use of compressed gas or steam energy contained in a liquid used as a working fluid.
A method for producing electric power is known, carried out at a geothermal power plant using a steam-water mixture.
The essence of this method lies in the fact that the steam-water mixture from the well is directed to a separation device where, at a certain pressure, the steam-water mixture is separated into steam and water. The steam separated by pipelines is sent to the engine room to turbines that are thermal engines connected with electric generators that generate electricity.
The separated hot water, as a rule, is not used or is used in part to heat the objects near the power plant, but is mainly discharged into the river.
The drawbacks of this method are the insignificant use of the energy of hot water, and the need for a geothermal stream separation system.
This task allows to solve the claimed invention, the essence of which is that a screw expander is used as a heat engine, and the working medium is expanded in it with simultaneous degassing and using the energy of the liberated gas (steam) to obtain mechanical energy, and as a working medium Use geothermal water, a geothermal steam-water mixture, superheated water from hot water boilers and gas-saturated oil.
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The claimed method can be implemented, for example, in a geothermal power plant, the scheme of which is shown in the figure, where 1 is a geothermal well, to which a screw expander 2 with an electric generator 3 is connected via a piping system. The condenser 4 of the mixing type is connected to the outlet branch of expander 2, after which A circulating pump 5 connected by a pipeline to the cooling tower 6 is installed. The cooling tower 6 is connected to the condenser 4 by a chilled water pipe, and a vacuum pump 7 is connected to the condenser 4. |
GEOTHERMAL POWER STATION WORKS AS FOLLOWING
Geothermal water from the well 1 is directed to the input of the screw expander 2, in which the working medium is expanded with simultaneous partial evaporation with decreasing pressure. The potential energy of the steam released during the expansion process is converted into a mechanical one by the action of steam on the expander rotors. The mechanical energy thus obtained is used to drive an electric generator.
After exiting the expander 2, the steam-water mixture is sent to the mixing condenser 4 of the mixing type, where it is mixed with cold water coming from the cooling tower 6, and thereby provides condensation of the vapor phase. The vacuum in the condenser 4 is created by a vacuum pump 7.
The medium obtained from the condenser 4 by the circulation pump 5 is directed to the cooling tower 6, where it is cooled and returned to the condenser 4 again.
The described geothermal power plant is one of the variants of application of the claimed method, which can be realized when gas oil is degassed or when the energy of superheated water is used in hot water boilers for electric power generation. In addition, the mechanical energy produced by this method can be used for other needs of any production.
CLAIM
A method for converting or utilizing the energy of fluids comprising inclusions of compressed gas or steam for generating electric power, comprising supplying a fluid to a thermal engine, then expanding therein, to obtain mechanical energy converted into electrical energy, characterized in that the working medium is expanded Simultaneously with its degassing or vaporization and using the energy of the released gas or steam to produce mechanical energy converted into electrical energy, and a screw expander is used as a heat engine operating on such a medium.
2. A method according to claim 1, characterized in that geothermal water or a geothermal steam-water mixture is used as the working medium.
3. A method according to claim 1, characterized in that the superheated water from the hot water boilers is used as the working medium.
4. A method according to claim 1, characterized in that a gas-saturated oil is used as a working medium.
print version
Published on February 14, 2007
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