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INVENTION
Russian Federation Patent RU2148175
THERMAL POWER PLANT
Name of the inventor: Valentin V. Korneev
The name of the patentee: Valentin V. Korneev
Address for correspondence: 393700, Tambov, p.g.t.Pervomaysky, ul.Bolnichnaya, 4, kv.3, Valentin V. Korneev.
Starting date of the patent: 1999.06.02
The invention relates to a power system. The power plant includes a boiler 1, the fan 2, the superheater 3 with integrated conveyor 4, a fan 5, a turbine 6, a capacitor 7, a dewar for working medium 8, the pump 9, the heat exchanger 10, compressor 11, dewar refrigerant 12 to the evaporator 13, the compressor 14 and the pump 15. The boiler 1 is filled with a cryogenic liquid such as liquid nitrogen, using a pump 9. The fan 2 blows the atmospheric air boiler 1. Nitrogen in the boiler is heated, vaporized and enters the superheater 3, which is blown with atmospheric air fan 5. When the specified pressure and temperature parameters in a superheater, the working medium enters the turbine 6, which produces work and is cooled. After the turbine working fluid enters the condenser 7, where it is condensed and flows into the Dewar vessel 8, from which a pump 9 is fed into the boiler 1. The refrigerant heated in the condenser and enters the evaporator 13. The heat from the refrigerant compressor 14 is carried out, which creates a vacuum in the evaporator, the refrigerant boils at decreasing temperature and vapor (air) emits in the environment. wherein the coolant temperature is lowered to a predetermined, and the cooled refrigerant flows into the Dewar vessel 12 and the pump 15 is supplied to the condenser. Replenishment of loss of refrigerant by using a compressor 11 which selects the cool air from the gas duct downstream of the fan 2 and feeds it to the heat exchanger 10, which is supplied countercurrent with subcooled liquid nitrogen (working fluid) from the dewar 8. The air is liquefied by heat exchange, is cooled to a predetermined temperature and enters the evaporator 13 for further cooling. The invention improves the efficiency of the cycle.
DESCRIPTION OF THE INVENTION
The invention relates to the field of power engineering, in particular to power generation technology by traditional way boiler-turbine-generator power, and can be widely used in the national economy to generate electricity without the formation of harmful waste.
It is well-known methods of producing electricity in thermal power plants, where as the working fluid in the turbine using steam. Before the steam supply to the turbine it must be heated using coal, natural gas or oil of natural origin.
There are ways and generate electricity at hydroelectric power plants, wind power plants, tidal power, solar teploelektrogeneratorah, nuclear power plants and others. The thermal, nuclear and hydroelectric power plants generate a lot of harm to mankind. Heat throw a lot of harmful gases and dust. Hydroelectric power plants violate the water regime of rivers, flooded forests, adversely affect the flora and fauna. Nuclear bring radioactive waste, disposal of which is an insoluble problem. Power tides and wind is considered environmentally friendly, but they are thin and can not solve the energy problem.
The closest analogue of the claimed invention (prototype) is a thermal power plant according to the patent RU 2129213, Cl. F 01 K 25/10, 1998, comprising a tubular cylindrical boiler, turbine generator and heating system (cooling) of the working fluid, including fan, heat exchanger, condenser, two Dewar, two compressors, two pumps, piping and evaporator with shutoff -regulates fittings.
The disadvantage of this is the low power efficiency, which in the best case will be about 25%.
The task of the invention is to significantly increase the efficiency of the heat cycle.
The new technical result is achieved in that the thermal power plant, comprising a tubular cylindrical boiler, a turbine, a generator and the heating system (cooling) of the working fluid, comprising a fan, heat exchanger, condenser, two dewar two compressors, two pumps with pipelines are designed as dewars and shut-off control valves as energy used air as the working fluid and the coolant fluid is cryogen and after installation of the boiler superheater, made, for example, a counterflow tube heat exchanger fitted with a fan.
Besides the technical result is achieved in that the bottom of the superheater shell holds a window facing in the attached rectangular box, which is installed inside the conveyor to remove the ice blade.
Further the new technical result is achieved by the fact that the superheater mounted deicers, such as an ultrasonic generator.
The invention is illustrated by the diagram which shows an example of the inventive plant.
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The proposed thermal power plant consists of a horizontal cylindrical tube boiler 1, Fan 2, the superheater 3 with built-in conveyor 4, the fan 5, impulse turbine with a generator 6, a condenser 7, the Dewar for liquid working medium 8, feed pump 9, the heat exchanger 10, the compressor 11 , Dewar refrigerant 12 to the evaporator 13, the compressor 14 and the circulation pump 15. Superheater 3 is made, for example, as a countercurrent heat exchanger, the bottom of the housing which holds a window facing the adjoined longitudinal duct of rectangular section, inside of which is mounted a conveyor 4 for removing ice blades. In the superheater 3 is mounted ultrasonic unit (not shown in the diagram) to remove ice from the superheater designs. |
THERMAL POWER PLANT WORKS AS FOLLOWS
The Dewar vessel 12 is filled with a cryogenic liquid at a temperature of -212 o C, which is used as a refrigerant.
Using feeding pump 9, the boiler 1 is filled with liquid working medium, after which the work is included in the fan 2. The fan 2 blows the inner space of the boiler. The cryogenic liquid in the boiler is heated and vaporized. Gaseous working medium with a very low temperature enters the superheater 3. Included in the work of the fan 5. The fan blows the internal space 5 superheater atmospheric air, which is supplied to the superheater with counter working fluid. Outside temperature (energy source), depending on the time of year and the areas of the planet Earth ranges from -80 o C or 193 the K (Antarctica) to +50 o C or 323 the K (Africa, the Sahara).
the working fluid temperature after the superheater will be slightly below the specified values will be in the range of 190 K - 320 K.
Upon reaching the pressure in the boiler and the superheater, for example, 300 kgf / cm 2 and a predetermined temperature which can be regulated, the gaseous working fluid is supplied to the turbine 6, which produces work and is cooled. 6 after the turbine working fluid enters the condenser 7 where countercurrent with a circulating pump 15 is supplied with a refrigerant temperature -212 o C (61 K). The condenser condenses the working fluid is completely cooled to - 198 o C and flows into the Dewar vessel 8 via a feed pump 9 is fed back to the boiler. The coolant is heated to a temperature of -197 o C and enters the evaporator 13, Dewar 12.
Evaporator 13 has a considerable length, which is necessary in order to increase the residence time of the refrigerant in the evaporator. The refrigerant flows through the evaporator section is not full, i.e. It has a surface evaporation. Cooling is performed with refrigerant by a compressor 14 which creates a vacuum in the evaporator. The refrigerant evaporates due to the internal energy. The steam compressor 14 shown in and removed to the environment, and the refrigerant is cooled to a predetermined temperature and flows into the dewar 12. From the dewar 12 through the refrigerant circulation pump 15 is supplied to the condenser 7.
The amount of refrigerant is constantly decreasing due to the fact that the compressor 14, throws it into the environment in gaseous state. Coolant loss is replenished by the compressor 11, which selects the cold air with a temperature of -190 o C, after coming out of the boiler 2 and the fan after its division into an air separation unit directs it to the heat exchanger 10 which is supplied with working fluid in countercurrent to the temperature -198 o C.
In operation, the ice formed on the structures of the superheater which is reset by sonication. Ice falls onto the conveyor 4 and the blade is removed.
The main advantage of the proposed thermal power plant is that it is ecologically clean and efficiency over the prior art is increased by almost three times.
CLAIM
1. Thermal power plant, comprising a tubular cylindrical boiler, turbine generator and heating system (cooling) of the working fluid, comprising a heat exchanger, a fan, a condenser, two Dewar, two compressors, two pumps with pipes and shut-off and control valves, as an energy source in the which used air, characterized in that as the working fluid and the refrigerant fluid and cryogen used after the boiler is installed superheater provided with a fan.
2. Thermal power plant according to claim 1, characterized in that the bottom housing superheater performed a window facing the adjoined rectangular box within which the conveyor is installed to remove the ice blade.
3. Thermal power plant according to claim 1 or 2, characterized in that the superheater mounted deicers, such as an ultrasonic generator.
print version
Publication date 13.02.2007gg
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