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INVENTION
Russian Federation Patent RU2278280
METHOD FOR PRODUCING ENERGY
Name of the inventor: Logatchev Victor G. (RU); Logatchev Sergey Viktorovich (RU); Logatchev Igor
The name of the patentee: State Educational Institution of Higher Professional Education Tyumen State Oil and Gas University
Address for correspondence: 625000, Tyumen, st. Volodarsky, 38, TSOGU, Patent Information Department
Starting date of the patent: 2002.10.25
The invention relates to a power system. A method of producing energy comprising the preparation of water, heating the boiler water to produce saturated steam, superheated steam in the superheater, the energy conversion steam in steam turbine rotation conjugated to an electric generator, the conversion of exhaust steam to water in the condenser cooling water flow, the extraction of the flow cooling water in the heat exchanger by further exposure to a snow mass, converted into a kind of water, which is used as boiler feed water. The invention can improve the efficiency of thermal power plants to reduce the amount of chemicals needed for the preparation of the boiler water and reduce chemical pollution of water bodies included in the process.
DESCRIPTION OF THE INVENTION
The invention relates to power engineering, namely to the production of electricity and heat.
A method of producing electricity, in which prepare water with chemicals, pour it into the pot, turning the water into saturated steam is passed this vapor through paronagrevatel getting superheated steam, which is driven to rotate a steam turbine, conjugated to an electric generator (see. Steam and gas turbines / Ed Kostiuk -.. M .: Energoatomisdat, 1985, s.12-14).
The exhaust steam is cooled in the condenser is converted to water, which is fed through the apparatus in the auxiliary boiler.
A device for producing electrical energy, comprising a boiler, steam generator, steam superheater, steam turbine, generator and condenser (. Cm Gutowski Students VN Energy -. M .: Publishing House of the "Enlightenment", 1966, p.114).
Cooling condenser water flow is carried, pumped circulation pumps of artificial or natural water bodies. Water flowing condenser has a temperature of 20-28 degrees Celsius. The heat energy contained in the water cooling condenser useless emitted into the atmosphere and dissipates in water bodies. Energy losses account for more than 55% of the energy contained in the burnt fuel, which reduces the efficiency (COP) of the thermal power plant. In addition, significant power consumption consumed by circulation pumps, pump water to cool the condenser.
Of the known methods of the closest analogue is the method of energy generation, including the preparation of water, heating water in the boiler to produce saturated steam, superheated steam in the superheater, energy conversion steam in the steam turbine rotation, conjugated to an electric generator, converting the waste steam into the water in the condenser the flow of cooling water through exposure to the snow mass, which is used as boiler feed water (see. US 5,829,255, cl. the F 01 K 19/10, 03.11.1998).
The disadvantage of this method is to reduce the efficiency of thermal power plants due to the direct contact of the snow mass with steam, a high amount of chemicals needed for the preparation of boiler water and high water pollution.
The technical result, which is aimed at achieving the present invention is to eliminate the above drawbacks.
Said technical result is achieved by the method for producing energy comprising the preparation of water, heating the boiler water to produce saturated steam, superheated steam in the superheater, the energy conversion steam in steam turbine rotation conjugated to an electric generator, the conversion of exhaust steam to water in the condenser cooling water flow, the extraction of heat flow of the cooling water is carried out in the additional heat exchanger by subjecting it to a snow mass, converted into a kind of water, which is used as boiler feed water.
This technical result is achieved by the fact that part of the pre-melt water is frozen and subsequently use it as boiler water and / or cooling water condenser.
This technical result is achieved by the fact that prior to use the melt water as the boiler and / or cooling the condenser its pre-cleaned.
Between the claimed technical result and the essential features of the invention, there follows a causal relationship. It is possible to use the snow melt water produced, for example by disposing of snow, in the process of obtaining marketable thermal and electric energy makes it possible to reduce their cost by reducing the chemical preparation of water consumption, as natural snow water most fully meets the basic requirements for the chemical composition, requirements for waters which are used in boilers to produce process steam. Reduction of the necessary volume of acid used in the N-OH and cation-anion filters, and other ingredients used in the desalination of water, not only reduces the financial costs, but also reduce the harmful effects on the environment. Increased efficiency is possible due to the significant reduction of the electrical energy used for pumping water, and by providing a power plant work optimally, it is achieved by increasing the efficiency of cooling with water vapor having a low temperature, which makes it possible to reduce the required amount of cooling water. Use of water flow energy of the cooling condenser for boiler water and making additional amounts of energy that can be used in the process energy, such as power boiler water treatment and transportation equipment, the reduction of energy costs for auxiliaries thermal power plant makes it possible to increase the yield of marketable energy and hence efficiency.
The drawing shows a schematic diagram of a method for producing energy.
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Apparatus for generating energy comprising a pump 1, the boiler 2 connected to the superheater 3, the output of which is connected to the steam turbine 4 connected to the condenser 5 and conjugated with a generator 6, a source snowpack 7, an additional heat exchanger 8, the input of which is hydraulically connected to the output capacitor 5. to convert the kinetic energy of the flow of cooling water held capacitor device comprises at least one means 9 for the conversion of energy into other forms of energy, such hydrogenerator. The device also contains at least one block of melt water cleaning 10, associated with at least one isothermal warehouse 11 designed to freeze part of the snow melt water whose output is hydraulically connected to the input of the pump 1 and / or to the input capacitor 5 . |
DEVICE FOR CARRYING OUT THE METHOD FOR PRODUCING ENERGY
WORKS AS FOLLOWS
At the beginning of the process cycle of a water pump 13, the object 12 is carried out in water supply himpodgotovki unit (not shown). Prepared water pump 1 is fed to the boiler 2, where heated to produce saturated steam which is passed through a superheater 3 and affect the superheated steam to a steam turbine 4, a conjugate generator 6 generates electric power. The exhaust steam is converted to water in the condenser 5 through the condenser cooling water flow pumped from the pump 13 of the water body 12. Then, the flow of cooling water passing through the condenser 5 and having a residual heat and kinetic energy, thermal energy is recovered by passing said stream through a further heat exchanger 8, by subjecting it to a mass of snow from the source 7, which, for example, can be formed by snow storage, clean up the streets, etc. Resulting in an additional heat exchanger 8 snow melt water is purified in the melt water purification unit 10 and use it as a boiler water feeding through auxiliary agents (eg, valves device) 1 pump into the boiler 2. The flow of chilled water that has passed through an additional heat exchanger 8, guide to cool the condenser 5.
For carrying out the process in a warm period (ambient temperature - positive) part of the pre-defrost water is converted into ice (frozen due to the natural winter cold) and stored, for example in an isothermal heat storage 11. The adjustable exercise period melting ice through natural heat or process heat, for example heat energy of capacitor 5, and the resulting melted water is used as boiler feed water and / or cooling the condenser 5.
The cooling water flow past the condenser 5, the kinetic energy is recovered, for which the conversion to other forms of energy use means 9 such hydrogenerator.
The proposed method of energy does not violate the standard production cycle. In the application of the proposed solution it is possible to use a multi-stage water to cool the condenser without complex structures such as cooling towers. The use of natural heat and cold for the implementation of the technological process of the boiler water makes it possible to significantly improve the efficiency of thermal power plants that use capacitors. The use of natural snow water makes it possible to reduce the amount of chemicals needed for the preparation of the boiler water and reduce chemical pollution of water bodies included in the process. Useful use of the thermal energy of water flow past the condenser, which has a relatively low temperature, solves the problem of disposal of snow, which increases the efficiency of the inventive method and device, and creates prerequisites for solving problems of preservation of the climate in the region.
CLAIM
1. A method of producing energy comprising the preparation of water, heating the boiler water to produce saturated steam, superheated steam to obtain the superheater, steam energy conversion in steam turbine rotation conjugated to an electric generator, the conversion of exhaust steam to water in the condenser cooling water flow, extract flow of cooling water heat exchanger by additional exposure to a snow mass, converted into a kind of water, which is used as boiler feed water.
2. The method of claim 1, wherein the portion previously frozen water thawed and its subsequent use as boiler feed water and / or water cooling condenser.
3. The method of claim 1, wherein the thawed before use as boiler feed water and / or pre-cooling of its condenser purified.
print version
Publication date 08.01.2007gg
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