CN102094744A - Condensate water and cooling water regenerating device of thermal power plant and nuclear power plant - Google Patents

Condensate water and cooling water regenerating device of thermal power plant and nuclear power plant Download PDF

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Publication number
CN102094744A
CN102094744A CN2010105847444A CN201010584744A CN102094744A CN 102094744 A CN102094744 A CN 102094744A CN 2010105847444 A CN2010105847444 A CN 2010105847444A CN 201010584744 A CN201010584744 A CN 201010584744A CN 102094744 A CN102094744 A CN 102094744A
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water
cooling
pipeline
turbine
valve
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CN2010105847444A
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侯创新
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Abstract

The invention relates to a waste steam, condensate water and cooling water regenerating device of a thermal power plant and a nuclear power plant. The device provided by the invention is characterized in that after steam drives a turbine to generate power, the swelling pressure of the turbine is reduced, but the steam quality of the turbine is not reduced; the waste steam is pressed into a platform with a certain height relative to the ground through a pipeline under 3 to 4 atmospheric pressures (while the higher height is better but according to actual conditions); after being cooled through a highly vacuum condenser, the waste steam is changed into liquid water at a temperature of about 40 DEG C; after being exhausted and stored into an upper water storage tank at the lower part, the liquid water leaks downwards through a pressure pipeline to drive the turbine; the turbine drives a generator to generate the power; the cooling water is lifted to the height which is the same to the condenser through a circulating water pump; the waste heat is taken away by the condenser; after being exhausted and stored into another upper water storage tank at the lower part, the waste heat leaks downwards through the pressure pipeline to drive the turbine; and the turbine drives the generator to generate the power (while the cooling of the condenser is divided into water cooing and air cooling, if the air cooling is adopted, a cooling water generating device is not provided).

Description

Thermoelectricity plant, nuclear power station, condensed water, cooling water be electricity generating device again
Technical field:
The invention belongs to the energy source utilizing electricity generating techn field, utilize the gravitational potential energy of the quality of the condensed water of the exhaust steam behind the steam turbine power generation and cooling water, drive generator by water turbine and send electricity and come
Background technique:
Present power station nuclear power station condensed water uses as circulating water, and what cooling water had enters rivers as what the closed-circuit water had.Its condensed water is not used fully at gaseous state intrinsic energy in liquid state transforms, and has wasted a lot of energy, has reduced generating efficiency.
Summary of the invention:
Present technique, utilized thermoelectricity plant, nuclear power station exhaust steam at gaseous state when liquid condensation water transforms, reduce the principle that can rise naturally according to hot steam temperature rising proportion, improve condensation device height potential energy overhead, make full use of that its intrinsic gravitational potential energy generates electricity.
The Thermal Power Station of one 2 * 300 megawatt per hour will consume more than 50,000 ton of water of more than 5000 ton of coal, several 10 ten thousand stere air, and these all are very big numerals.The power plant boiler main steam flow of 2 installation 300 megawatts per hour can reach about 2050 tons,
The nuclear power station steam total discharge that electric motor power is 1000 megawatts be about 6174.30 tons per hour.
When send out stop electricity after its pressure be reduced to the 0.3-0.4 MPa, temperature is about 136 ℃.The swelling pressure have reduced but quality of steam does not reduce, allow these hot steams it under the 3-4 atmospheric pressure, be elevated to overhead by pipeline on the ore deposit body panel of height about 130 meters, with be placed on top condenser and be connected, under the high vacuum in condenser, under the effect of cooling water, be converted into the liquid water about 40 ℃.Liquid water is by in the large-scale water storage box on the body panel of ore deposit, pipeline input condenser below.Condensing mode divides two kinds, water-cooled and air-cooled.If the use water-cooled, cooling water rises to condenser by the pipeline-used water pump from ground, from the platform of the same height put, in the input condenser.The cooling water that condenser is discharged is imported by pipeline, in another the large-scale water storage box on the same platform in condenser below.Survey in the factory building that is connected to the water turbine generating of 100 meters, ground with pipeline at one of two water tank bottoms and to be connected with hydraulic turbine generator.In pipeline and water turbine joint and valve control is arranged, two one in hydraulic turbine generators are the condensed water generator, and another is the cooling water generator.The large-scale water storage box of the outlet conduit of two water turbine and two belows is connected, one is condensation water tank, another is a cooling water tank, survey two pipelines of drawing from two huge tanks bottoms one, condensing water conduit is connected to former Turbo-generator Set, in the hot well of condenser below, keep original circulatory system constant.Another cooling water pipeline is connected to, and the return pipe place in the closed-circuit cooling tower connects, and enters rivers if the open type cooling is connected with drainage pipe.
Description of drawings
Fig. 1 is a schematic flow sheet of the present invention.
Embodiment:
Below in conjunction with embodiment further narration is done in this invention:
As shown in Figure 1, former power generation system remains unchanged substantially.Mark 1-21 among this figure is the flow chart mark of power station except that 8 and 19.Just on pipeline above the former vapour condenser, added a valve, newly-built bypath system.Close top valve 22 and open by-pass valve 23 and make exhaust steam pass through pipeline, be pressed into bypass and have certain altitude, in the vapour condenser 28 on the ore deposit body panel 43.Close the valve 24 on the cooling water system pipeline, open another valve 25 on the cooling water pipeline, cooling water is pushed down into the bypass vapour condenser at the pressure of circulating water pump 8 and cools off.Close the valve 26 of bleeding on 41 and open valve 27 on the pump-line, take out the gas that is not condensed into water in the bypass condenser.Make condenser keep high vacuum, the gas of releasing enters steam-water separator 42 through piping, separates through carbonated drink, and gas enters airspace, and liquid water enters in the return pipe of bypass water of condensation.The exhaust steam of steam turbine is cooled into liquid water in the bypass condenser of high vacuum under the cooling of cooling water.Enter upper water box 29 through pipeline, cooling water is in pipeline enters another upper water box 30.In the bottom of two upper water boxs one side two following pressure release solenoid roads are arranged.What let out down in 29 water tanks is water of condensation, the cooling water of letting out down in 30 water tanks, two pressure pipings below, be provided with valve 31 and 33, these two valves all are opened simultaneously, let out pipeline also being provided with under the bypass on the pipeline above two water turbine, valve 32 and 34 are installed on the pipeline, these two valves all are pent at this moment, water in the water of condensation pressure piping drives water turbine 35, water in the cooling water pressure pipeline drives water turbine 36, and condensed water and cooling water, water turbine drive generator 37 respectively and generator 38 sends electric next.Condensed water after the generating and cooling water enter lower header 39 and 40 respectively, and what discharge in 39 water tanks is water of condensation, enter through pipeline in the hot well of former power generation cycle system.From 40 li discharges of cooling water tank is that cooling water is connected by the return pipe of pipeline with cooling tower 19.
If former power generation system does not want to allow bypath system generate electricity, can open valve 22,24 and 26 respectively, close by- pass valve 23,25 and 27 simultaneously, keep former power generation system circulation constant.
If water turbine and generator in the by-pass water force generating system break down, when need repairing, can open valve 32 and 34 simultaneously throttle downs 31 and 33 former water cycle is remained unchanged.
The working of an invention effect:
Electric motor power is the power station of 2 * 300 megawatts, and main steam flow is for per hour about 2050 tons.After condensation, become liquid water, and the formula of hydroelectric power rated output is that (p is that unit effective power get 0.7g be gravity accleration for height Q for flow η for power H to P=HQ η g.Be inserted in formula: 100 * 0.55 * 0.7 * 9.8=377.3KW per second power is 377.3 kilowatts electric weight.9055.2 degree electric energy can be sent out every day, 3.62 tons of standard coals can be saved in one day.After the cooling water electricity can be offset with power consumption, it was little approximately can to increase by 1/3rd electric weight effect, does not add calculating.
The nuclear power station steam flow that electric motor power is 1000 megawatts is 6174 tphs, 1.71 tons of per seconds of Q specific discharge.Import formula 100 * 1.71 * 0.7 * 9.8=1173.06KW, can send out 28153.44 degree electric energy every day, can save 10.1 tons of standard coals every day.

Claims (7)

1. thermoelectricity plant, nuclear power station, exhaust steam condensed water, cooling water, electricity generating device again, it is characterized in that: exhaust steam is under 3-4 barometric pressure, be pressed on the platform that overhead has certain altitude by pipeline, (high highly more good more but will according to circumstances decide), become liquid water after the condenser cooling through high vacuum, after the liquid water gathering was stored into water storage box, by letting out the drive water turbine under the pipeline, water turbine drove generator and sends electric next.Cooling water rises to the same height of condenser through circulating water pump, takes away waste heat by condenser, assembles to be stored into another on behind the water storage box by letting out the drive water turbine under the pipeline, and water turbine drive generator sends electric energy.(the condenser type of cooling is divided two kinds, and water-cooled and air cooling are as air cooling no-cooling-water electricity generating device then) if when not needing bypass condensed water, cooling water, electricity generating device generating, but throttle down control, former power generation system is remained unchanged.When if water turbine in the bypath system or generator need overhaul, available valve is controlled maintenance system normal circulation.
2. according to claims 1, thermoelectricity plant, nuclear power station, exhaust steam condensed water, cooling water electricity generating device again, it is characterized in that: vapour exhaust steam, cooling water are pressed on the ore deposit body panel that rises to steel or concrete constructions, 130 meters the same height apart from ground.After exhaust steam is condensed and becomes liquid water about 40 degree, in pipeline flows into the last water storage box of below.
3. cooling water flows into by pipeline in the last water storage box of below opposite side after condenser cooling, goes up 100 meters of the downward design heads in water storage box bottom surface from two, by two following pressure release solenoid roads below, connect two valves and two water turbine and generator.The outlet conduit of two water turbine is connected with two lower water tanks.
4. pressure release solenoid road is connected with two lower water tanks respectively with by-pass valve under two bypasses also connecting above two valves.One of the outlet conduit of two lower water tanks is that condensing water conduit is connected with hot well.Another is connected with the water return pipeline of cooling tower for cooling water pipeline.
5. but throttle down 31 and valve 33 are opened by-pass valve 32 and valve 34 makes system keep normal circulation when water turbine and generator need overhaul.
6. when not needing the generating of exhaust steam, cooling water, can open valve 22 on the exhaust steam pipeline and the valve 24 on the cooling water pipeline and the valve 26 on the pump-line and close valve 23 on the exhaust steam pipeline and the valve 25 on the cooling water pipeline and the valve 27 on the pump-line simultaneously the circulation of former power generation system is remained unchanged.
7. air ejector vacuum available pump or jetting, the former installation of stream-jet ejector remain unchanged.
CN2010105847444A 2010-12-05 2010-12-05 Condensate water and cooling water regenerating device of thermal power plant and nuclear power plant Pending CN102094744A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102338408A (en) * 2011-07-16 2012-02-01 双良节能系统股份有限公司 Series-type heat supply system of circulating water in thermal power plant
CN102338407A (en) * 2011-07-16 2012-02-01 双良节能系统股份有限公司 Heat supply system for directly recycling condensate waste heat of auxiliary machine in thermal power plant
CN102338412A (en) * 2011-07-16 2012-02-01 双良节能系统股份有限公司 Parallel-type heat supply system of circulating water in thermal power plant
CN102338410A (en) * 2011-07-16 2012-02-01 双良节能系统股份有限公司 Double-tube heating system used for recovering auxiliary engine condensing waste heat of thermal power plant
CN102434357A (en) * 2011-10-21 2012-05-02 华北电力大学(保定) System for generating power employing condensed water of flue gases in supercharged oxygen-enriched coal burning boiler
CN104386072A (en) * 2014-10-21 2015-03-04 毛雪刚 Power supply system of electric vehicle
CN108019310A (en) * 2017-12-11 2018-05-11 无锡雪浪环境科技股份有限公司 A kind of devices and methods therefor using afterheat steam production electric energy
CN112648030A (en) * 2021-01-06 2021-04-13 武瑞香 Circulating water energy-saving utilization device of thermal power plant

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102338408A (en) * 2011-07-16 2012-02-01 双良节能系统股份有限公司 Series-type heat supply system of circulating water in thermal power plant
CN102338407A (en) * 2011-07-16 2012-02-01 双良节能系统股份有限公司 Heat supply system for directly recycling condensate waste heat of auxiliary machine in thermal power plant
CN102338412A (en) * 2011-07-16 2012-02-01 双良节能系统股份有限公司 Parallel-type heat supply system of circulating water in thermal power plant
CN102338410A (en) * 2011-07-16 2012-02-01 双良节能系统股份有限公司 Double-tube heating system used for recovering auxiliary engine condensing waste heat of thermal power plant
CN102338407B (en) * 2011-07-16 2013-03-27 双良节能系统股份有限公司 Heat supply system for directly recycling condensate waste heat of auxiliary machine in thermal power plant
CN102338410B (en) * 2011-07-16 2013-03-27 双良节能系统股份有限公司 Double-tube heating system used for recovering auxiliary engine condensing waste heat of thermal power plant
CN102338408B (en) * 2011-07-16 2013-03-27 双良节能系统股份有限公司 Series-type heat supply system of circulating water in thermal power plant
CN102434357A (en) * 2011-10-21 2012-05-02 华北电力大学(保定) System for generating power employing condensed water of flue gases in supercharged oxygen-enriched coal burning boiler
CN104386072A (en) * 2014-10-21 2015-03-04 毛雪刚 Power supply system of electric vehicle
CN108019310A (en) * 2017-12-11 2018-05-11 无锡雪浪环境科技股份有限公司 A kind of devices and methods therefor using afterheat steam production electric energy
CN112648030A (en) * 2021-01-06 2021-04-13 武瑞香 Circulating water energy-saving utilization device of thermal power plant

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Application publication date: 20110615