CN106194431A - Gas turbine presurized water reactor steam turbine combined cycle without separator - Google Patents
Gas turbine presurized water reactor steam turbine combined cycle without separator Download PDFInfo
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- CN106194431A CN106194431A CN201610458571.9A CN201610458571A CN106194431A CN 106194431 A CN106194431 A CN 106194431A CN 201610458571 A CN201610458571 A CN 201610458571A CN 106194431 A CN106194431 A CN 106194431A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 109
- 239000007789 gas Substances 0.000 claims description 106
- 239000002918 waste heat Substances 0.000 claims description 69
- 238000002485 combustion reaction Methods 0.000 claims description 16
- 239000003245 coal Substances 0.000 claims description 15
- 230000008676 import Effects 0.000 claims description 10
- 235000019504 cigarettes Nutrition 0.000 claims description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
- 229920006395 saturated elastomer Polymers 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 238000009833 condensation Methods 0.000 claims description 5
- 230000005494 condensation Effects 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 239000003758 nuclear fuel Substances 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 4
- 239000003517 fume Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000003345 natural gas Substances 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000002737 fuel gas Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000010025 steaming Methods 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 2
- 239000003546 flue gas Substances 0.000 claims description 2
- 150000002814 niacins Chemical class 0.000 claims 1
- 235000001968 nicotinic acid Nutrition 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 239000000567 combustion gas Substances 0.000 description 8
- 239000004927 clay Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000005520 electrodynamics Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
- 238000009998 heat setting Methods 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- 239000006200 vaporizer Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000006392 deoxygenation reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
- F01K11/02—Plants characterised by the engines being structurally combined with boilers or condensers the engines being turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
- F02C6/18—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use using the waste heat of gas-turbine plants outside the plants themselves, e.g. gas-turbine power heat plants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/70—Application in combination with
- F05D2220/76—Application in combination with an electrical generator
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The present invention relates to energy-efficient, low-carbon (LC), the clean energy resource system of a kind of novel high-capacity without the gas turbine presurized water reactor steam turbine combined cycle of separator；Combined cycle system is formed with presurized water reactor steam turbine with heavy duty gas turbine, secondary circuit main steam temperature is lifted up by the heat utilizing gas turbine exhaust gas by 272.8 DEG C, the number of units put into difference and the heavy duty gas turbine of presurized water reactor steam production and the difference of load, DCS dcs controls secondary circuit main steam temperature sliding temperature between 535 DEG C to 630 DEG C and runs, the existing considerable degree of superheat of high pressure cylinder steam discharge, cancel separator and not only simplify therrmodynamic system, and reduce the pressure loss of separator, improve the thermal efficiency；Without the thermal efficiency of gas turbine presurized water reactor steam turbine combined cycle of separator also above the gas turbine presurized water reactor steam turbine combined cycle system having separator.
Description
(1) technical field:
The present invention without the gas turbine presurized water reactor steam turbine combined cycle of separator relate to a kind of novel greatly
Energy-efficient, low-carbon (LC), the clean energy resource system of capacity.Gas turbine presurized water reactor steam turbine without separator is combined
The thermal efficiency of circulation is apparently higher than the thermal efficiency of the presurized water reactor steam turbine of prior art；For the electricity of combustion gas additional issue, nothing
The thermal efficiency of the gas turbine presurized water reactor steam turbine combined cycle of separator apparently higher than prior art combustion gas-
Steam Combined Cycle；Without the thermal efficiency of gas turbine presurized water reactor steam turbine combined cycle of separator also above having
The gas turbine presurized water reactor steam turbine combined cycle system of separator.
(2) background technology:
Presurized water reactor (Pressurized Water Reactor) uses pressurization light water to make coolant and moderator, and water exists
The nuclear reactor not seethed with excitement in heap.Nuclear fuel is slightly enriched uranium.It is universally acknowledged maximization technology maturation, runs safe, economical
Practical nuclear reaction heap-type.AP1000 can be as the mainstream product of third generation pressurized-water reactor nuclear power plant.
The major parameter at AP1000 generation Ⅲ nuclear power station steam generator (Steam Generator):
The major parameter of AP1000 generation Ⅲ nuclear power station steam turbine generator:
The saturated vapor of two steam generator generations is sent into steam turbine high-pressure cylinder by secondary circuit main steam system, at steamer
After the acting of machine high pressure cylinder expansion, steam discharge enters 2 external separators；Under the conditions of rated load, external soda pop
Separator/heater is reduced to about 0.17% or less the humidity of 10%-13% contained in high-pressure turbine steam discharge；External
Formula separator is provided with 2 grades of reheaters, and the 1st grade uses high pressure cylinder to draw gas as thermal source, and the 2nd grade uses main steam be hot
Source, is heated to superheat state by the steam entering reheater；3 double-current low pressure are entered by 6 pipelines after steam is heated
Steam turbine；Some vapor is extracted out for feedwater and condensation water are carried out backheat from high pressure cylinder and low pressure (LP) cylinder.Main condenser is to condensation
Water carries out deoxygenation and used heat is passed to circulation；Feed water and injected steam generator by secondary circuit main feed pump；Steam turbine is 6
Level feedwater backheat provides draws gas；The exhaust point of high pressure cylinder provides for No. 1 high-pressure heater and draws gas, and high pressure cylinder steam discharge carries to oxygen-eliminating device
For drawing gas, the 3rd of low pressure (LP) cylinder the, 4,5,6 grades of exhaust points provide to the 3rd, 4,5, No. 6 low-pressure heaters respectively and draw gas, and No. 5 low pressure add
Hot device and No. 6 low-pressure heaters are usually placed in the throat of condenser.
China has put into (including Taiwan) all presurized water reactors of nuclear power generating sets of commercial operation；From technology, safety, warp
Ji, environmental protection and industrial character are seen, compacted clay liners should not participate in peak load regulation network, carries out significantly load the most continually
Adjust.
According to the height of ignition temperature during work and power of the assembling unit size, power station heavy duty gas turbine is divided into A-B-C-
Eight ranks of D-E-F-G-H.The intake air temperature of gas turbine is the highest, and the power of the assembling unit is the biggest, and rank is the highest, and the thermal efficiency is the highest, logical
Often the delivery temperature of gas turbine is the highest.
Prior art gas turbine is generally and waste heat boiler, steam turbine form gas-steam combined cycle system；This steaming
Steam turbine reheating or non-reheating, without regenerative steam mouth, in having, low pressure filling import；This steam turbine is furnished with the subsidiary engine of necessity,
Such as condensate pump, water circulating pump, condenser, vacuum pump, cooling tower, lubricating oil system, Control & Protective, bypath system etc.；Should
Waste heat boiler is usually designed to double pressure or three pressures, provides the superheated steam of different pressures, each pressure all to have oneself respectively
Economizer, vaporizer, drum, superheater；Usual gas turbine powered electromotor institute generated energy accounts for gas-steam combined and follows
The last 2/3 of ring unit；The electromotor institute generated energy that steam turbine drives accounts for the 1/3 weak of gas-steam combined cycle set.
(3) summary of the invention:
Technical problem to be solved:
The steam generator of presurized water reactor can only produce the saturated vapor that secondary circuit uses, and does not has steam superheating ability；External
The major function of formula separator is that the humidity of 10%-13% contained in high-pressure turbine steam discharge is reduced to about
0.17% or less, in order to obtain the low pressure (LP) cylinder entrance degree of superheat less than 90K, even employ secondary circuit main steam as external
The thermal source of formula separator；The high pressure cylinder of presurized water reactor steam turbine is substantially a wet steam turbine, each turbine
The moving vane of level works under the conditions of moist steam, is unfavorable for moving vane long period safe operation；Low pressure (LP) cylinder exhaust steam moisture is the highest
In coal-fired extra-supercritical unit；High pressure cylinder, low pressure (LP) cylinder internal efficiency only about 80%, its heat consumption is up to 10405.7kJ/kWh (deduction
Electrodynamic pump power), the thermal efficiency only 34.6% (deduction electrodynamic pump power).
Solve its technical problem use technical scheme:
The present invention takes and prior art without the gas turbine presurized water reactor steam turbine combined cycle of separator
Diverse technology path, forms combined cycle system with heavy duty gas turbine with presurized water reactor steam turbine, utilizes combustion gas to take turns
Secondary circuit main steam temperature is lifted up by the heat of tail gas by 272.8 DEG C, with difference and the heavy combustion of presurized water reactor steam production
The number of units of gas-turbine input and the difference of load, DCS dcs controls secondary circuit main steam temperature at 535 DEG C extremely
Between 630 DEG C, sliding temperature is run, now, the existing considerable degree of superheat of high pressure cylinder steam discharge, cancel separator and not only simplify
Therrmodynamic system, and reduce the pressure loss of separator, improve the thermal efficiency；Combustion gas without separator
The thermal efficiency of turbine presurized water reactor steam turbine combined cycle is apparently higher than the thermal efficiency of the presurized water reactor steam turbine of prior art；Just
For the electricity of combustion gas additional issue, the thermal efficiency without the gas turbine presurized water reactor steam turbine combined cycle of separator is bright
The aobvious Gas-steam Combined Cycle higher than prior art；Gas turbine presurized water reactor steam turbine without separator joins
Close the thermal efficiency of circulation also above the gas turbine presurized water reactor steam turbine combined cycle system having separator.
Without the gas turbine presurized water reactor steam turbine combined cycle of separator, the present invention includes that steam turbine is high
Cylinder pressure (1), high pressure cylinder steam discharge lead automobile fitting steam pipe (2), steam turbine low pressure (LP) cylinder (3), main steam control valve (4), condenser (5), No. 1
High-pressure heater (6), secondary circuit main feed pump (7), oxygen-eliminating device (8), No. 3 low-pressure heaters (9), No. 4 low-pressure heaters (10),
No. 5 low-pressure heaters (11), No. 6 low-pressure heaters (12), condensate pump (13), waste-heat boiler superheater (14), waste heat boilers
High-pressure economizer (15), waste heat boiler low-pressure coal saver (16), steam generator (17), presurized water reactor (18), the main feedwater of primary Ioops
Pump (19), gas turbine (20), DCS dcs；The heat that in presurized water reactor (18), nuclear fuel rod produces is through circulation
Primary Ioops press water produces secondary circuit saturated vapor in steam generator (17)；The saturated vapor outlet of steam generator (17)
It is connected with the steam inlet of waste-heat boiler superheater (14)；The steam (vapor) outlet of waste-heat boiler superheater (14) is through main inlet throttle-stop valve, master
Steam control valve (4) is connected with the import of steam turbine high pressure cylinder (1)；The water side of waste heat boiler high-pressure economizer (15) with No. 1
The water side of high-pressure heater (6) is in parallel, heats, in the way of shunting, the high-pressure feed water that secondary circuit main feed pump (7) exports；Waste heat
The water side of low-pressure coal saver for boiler (16) with by No. 3 low-pressure heaters (9), No. 4 low-pressure heaters (10), No. 5 low-pressure heaters
(11), the water side of low-pressure heater group that is composed in series of No. 6 low-pressure heaters (12) in parallel, heat-setting water in the way of shunting
The condensation water that pump (13) exports；The turbo compressor import of gas turbine (20) sucks air through air filter screen group, after compression
Air mixes with natural gas in the low nitrogen burning system of gas turbine (20) and fully burns, and high-temperature high-pressure fuel gas is taken turns in combustion gas
In the gas turbine group of machine (20), acting drives the electromotor of gas turbine side；The gas turbine group outlet of gas turbine (20)
Combustion engine tail gas, enters through flue and includes waste-heat boiler superheater (14), waste heat boiler high-pressure economizer (15), waste heat boiler low pressure
The cigarette side entrance of the combustion engine waste heat boiler of economizer (16)；The cigarette side outlet of combustion engine waste heat boiler is connected with chimney or with cigarette tower
The mode of unification is discharged fume by cooling tower；Heavy duty gas turbine forms combined cycle system with presurized water reactor steam turbine, utilizes combustion gas
Secondary circuit main steam temperature is lifted up by the heat of wheel tail gas by 272.8 DEG C；DCS dcs is coordinated to control pressure
Water-water reactor (18), gas turbine (20), steam turbine high pressure cylinder (1), steam turbine low pressure (LP) cylinder (3), with presurized water reactor steam production not
With and heavy duty gas turbine put into number of units and the difference of load, control secondary circuit main steam temperature between 535 DEG C to 630 DEG C
Sliding temperature is run.
The beneficial effect of the invention:
● presurized water reactor steam turbine is changed into main steam temperature sliding temperature between 535 DEG C to 630 DEG C by wet steam turbine
The steam turbine run, is greatly improved the import enthalpy of presurized water reactor steam turbine main steam, and the internal efficiency of each turbine stage is also
Significantly improve, under conditions of identical import mass flow, the effective enthalpy drop of presurized water reactor steam turbine is greatly improved, output
Shaft power increases considerably；
● DCS dcs controls secondary circuit main steam temperature sliding temperature between 535 DEG C to 630 DEG C and runs, high
The existing considerable degree of superheat of cylinder pressure steam discharge, cancels separator and not only simplify therrmodynamic system, and reduce soda pop and divide
From the pressure loss of reheater, improve system thermal efficiency；
● each turbine stage of steam turbine high pressure cylinder eliminates water erosion risk, and safety significantly improves；
● steam turbine low pressure (LP) cylinder major part turbine stage eliminates water erosion risk, and safety significantly improves, exhaust stage blade and end
Front grade blade humidity is substantially reduced, and safety, economy significantly improve；
● owing to exhaust stage blade and penultimate stage blade humidity are substantially reduced, safety is controlled, it is provided that reduce low further
Cylinder pressure exhaust pressure, improves the space of the thermal efficiency of gas turbine presurized water reactor steam turbine combined cycle system；
● the setting of waste heat boiler high-pressure economizer (15) and waste heat boiler low-pressure coal saver (16) makes waste heat boiler overheated
The fume afterheat that device (14) exports is fully utilized, and exhaust gas temperature can drop to 45 DEG C or lower, exclusion out 1 section
Draw gas, 3 sections draw gas, 4 sections draw gas, 5 sections draw gas, 6 sections draw gas can continue in steam turbine low pressure (LP) cylinder (3) acting, be converted to
Useful shaft power；
● rely on the present invention can design without the gas turbine presurized water reactor steam turbine combined cycle of separator,
Manufacture single shaft to exert oneself half speed (1800rpm or 1500rpm) the huge steam turbine of 2000MW or more high output；
● rely on the present invention can design without the gas turbine presurized water reactor steam turbine combined cycle of separator,
Manufacture individual capacity 2200MVA or half speed (1800rpm or the 1500rpm) steam turbine generator of more high power capacity；
● rely on the present invention can design without the gas turbine presurized water reactor steam turbine combined cycle of separator,
Manufacture large and medium-sized air cooling turbo-generator, it is adaptable to water-deficient area, inland；
● the present invention is bright without the construction cost of the gas turbine presurized water reactor steam turbine combined cycle of separator
Aobvious less than adding independent gas-steam combined cycle set with the independent compacted clay liners of capacity；
● the present invention is bright without the floor space of the gas turbine presurized water reactor steam turbine combined cycle of separator
Aobvious less than adding independent gas-steam combined cycle set with the independent compacted clay liners of capacity；
● the present invention is bright without the carbon emission amount of the gas turbine presurized water reactor steam turbine combined cycle of separator
Aobvious less than adding independent gas-steam combined cycle set with the independent compacted clay liners of capacity；
● the present invention holds without the unit installation of the gas turbine presurized water reactor steam turbine combined cycle of separator
Amount water consumption is considerably less than and adds independent gas-steam combined cycle set with the independent compacted clay liners of capacity；
● the present invention is obvious without the delivery of the gas turbine presurized water reactor steam turbine combined cycle of separator
The independent Gas-steam Combined Cycle of identical natural gas consumption is added more than the independent compacted clay liners of identical nuclear fuel consumption
Unit；
● as by presurized water reactor steam turbine owing to increasing substantially the import enthalpy of main steam, high pressure cylinder exhaust steam pressure is with low
Cylinder pressure initial steam pressure difference substantially reduces, and the whole reduction of electricity that the internal efficiency of each turbine stage significantly improves and issues additional is to combustion gas-steaming
Vapour combined cycle, the net thermal efficiency of this Gas-steam Combined Cycle not having independent turbine system may be up to record-breaking
68% or higher；
● as by waste-heat boiler superheater (14), waste heat boiler high-pressure economizer (15), waste heat boiler low-pressure coal saver
(16) the whole reduction of heat absorbed is effective caloric receptivity of waste heat boiler, this waste heat boiler not having vaporizer and drum
The thermal efficiency (calculating by low heat valve) may be up to record-breaking 100% or higher；
(4) accompanying drawing explanation:
Fig. 1 is the gas turbine presurized water reactor steam turbine combined cycle system figure without separator.
In FIG:
1 steam turbine high pressure cylinder, 2 high pressure cylinder steam discharges lead automobile fitting steam pipe,
3 steam turbine low pressure (LP) cylinders, 4 main steam control valves,
5 condensers, 6 No. 1 high-pressure heaters,
7 secondary circuit main feed pumps, 8 oxygen-eliminating devices,
9 No. 3 low-pressure heaters, 10 No. 4 low-pressure heaters,
11 No. 5 low-pressure heaters, 12 No. 6 low-pressure heaters,
13 condensate pumps, 14 waste-heat boiler superheaters,
15 waste heat boiler high-pressure economizers, 16 waste heat boiler low-pressure coal savers,
17 steam generators, 18 presurized water reactors,
19 primary Ioops main feed pumps, 20 gas turbines,
(5) detailed description of the invention:
Embodiment 1:
In conjunction with Fig. 1 with the presurized water reactor of an AP1000, steam generator, the steam turbine generator group of redesign with
As a example by 6 F level gas turbines and supporting waste heat boiler, explanation realizes the optimal way of the present invention.
Without the gas turbine presurized water reactor steam turbine combined cycle of separator, the present invention includes that steam turbine is high
Cylinder pressure (1), high pressure cylinder steam discharge lead automobile fitting steam pipe (2), steam turbine low pressure (LP) cylinder (3), main steam control valve (4), condenser (5), No. 1
High-pressure heater (6), secondary circuit main feed pump (7), oxygen-eliminating device (8), No. 3 low-pressure heaters (9), No. 4 low-pressure heaters (10),
No. 5 low-pressure heaters (11), No. 6 low-pressure heaters (12), condensate pump (13), waste-heat boiler superheater (14), waste heat boilers
High-pressure economizer (15), waste heat boiler low-pressure coal saver (16), steam generator (17), presurized water reactor (18), the main feedwater of primary Ioops
Pump (19), gas turbine (20), DCS dcs；The heat that in presurized water reactor (18), nuclear fuel rod produces is through circulation
Primary Ioops press water produces secondary circuit saturated vapor in steam generator (17)；The saturated vapor outlet of steam generator (17)
It is connected with the steam inlet of waste-heat boiler superheater (14)；The steam (vapor) outlet of waste-heat boiler superheater (14) is through main inlet throttle-stop valve, master
Steam control valve (4) is connected with the import of steam turbine high pressure cylinder (1)；The water side of waste heat boiler high-pressure economizer (15) with No. 1
The water side of high-pressure heater (6) is in parallel, heats, in the way of shunting, the high-pressure feed water that secondary circuit main feed pump (7) exports；Waste heat
The water side of low-pressure coal saver for boiler (16) with by No. 3 low-pressure heaters (9), No. 4 low-pressure heaters (10), No. 5 low-pressure heaters
(11), the water side of low-pressure heater group that is composed in series of No. 6 low-pressure heaters (12) in parallel, heat-setting water in the way of shunting
The condensation water that pump (13) exports；The turbo compressor import of gas turbine (20) sucks air through air filter screen group, after compression
Air mixes with natural gas in the low nitrogen burning system of gas turbine (20) and fully burns, and high-temperature high-pressure fuel gas is taken turns in combustion gas
In the gas turbine group of machine (20), acting drives the electromotor of gas turbine side；The gas turbine group outlet of gas turbine (20)
Combustion engine tail gas, enters through flue and includes waste-heat boiler superheater (14), waste heat boiler high-pressure economizer (15), waste heat boiler low pressure
The cigarette side entrance of the combustion engine waste heat boiler of economizer (16)；The cigarette side outlet of combustion engine waste heat boiler is connected with chimney or with cigarette tower
The mode of unification is discharged fume by cooling tower；Heavy duty gas turbine forms combined cycle system with presurized water reactor steam turbine, utilizes combustion gas
Secondary circuit main steam temperature is lifted up by the heat of wheel tail gas by 272.8 DEG C；DCS dcs is coordinated to control pressure
Water-water reactor (18), gas turbine (20), steam turbine high pressure cylinder (1), steam turbine low pressure (LP) cylinder (3), with presurized water reactor steam production not
With and heavy duty gas turbine put into number of units and the difference of load, control secondary circuit main steam temperature between 535 DEG C to 630 DEG C
Sliding temperature is run.
Steam turbine high pressure cylinder (1) double fluid, tangential admission, 1500rpm or 1800rpm, its through-current capability by the highest enter
Stripping temperature and first water flow reach to be designed simultaneously；The rotor of steam turbine high pressure cylinder (1), high temperature air chamber, nozzle,
The material that movable vane uses meets the requirement run continuously under the highest throttle (steam) temperature；The rotor of steam turbine high pressure cylinder (1), nozzle,
The intensity of movable vane meets requirement when the highest throttle (steam) temperature and first water flow reach simultaneously to material, and has enough safety
Allowance.
It is different by 3 or 4 coaxial double fluids, the low pressure of tangential admission that steam turbine low pressure (LP) cylinder (3) presses operating back pressure
Cylinder forms；1500rpm or 1800rpm；The throttle (steam) temperature of steam turbine low pressure (LP) cylinder (3) and maximum current capacity are by throttle (steam) temperature
343.5 DEG C of designs.
Gas turbine (20) is made up of 6 F level gas turbines；6 F level gas turbines do not drive respective electromotor；6
The combustion engine tail gas of the gas turbine group outlet of F level gas turbine enters same waste heat boiler；Another is preferred for gas turbine (20)
Mode is made up of 3 H level gas turbines；Gas turbine (20) another optimal way is made up of 4 G level gas turbines.
High pressure cylinder steam discharge leads the steam drain of entrance point connection steam turbine high pressure cylinder (1) of automobile fitting steam pipe (2), and the port of export is even
Connecing the air intake of 3 or 4 double-current low pressure (LP) cylinders, high pressure cylinder steam discharge leads automobile fitting steam pipe (2) crushing at full capacity less than 10kPa.
Combustion engine waste heat boiler includes that waste-heat boiler superheater (14), waste heat boiler high-pressure economizer (15), waste heat boiler are low
Pressure economizer (16)；Horizontal layout；Waste-heat boiler superheater (14) is made up of high temperature, middle temperature, 3 sections of superheater surfaces of low temperature,
It is counter-flow arrangement with flue gas flow；Waste heat boiler high-pressure economizer system is configured with corresponding control valve group, is used for regulating remaining
The assignment of traffic of the water side of the water side of heat boiler high-pressure economizer (15) and No. 1 high-pressure heater (6)；Waste heat boiler low pressure saves coal
Device system is configured with corresponding control valve group, is used for regulating the water side of waste heat boiler low-pressure coal saver (16) and by No. 3 low pressure
The low pressure that heater (9), No. 4 low-pressure heaters (10), No. 5 low-pressure heaters (11), No. 6 low-pressure heaters (12) are composed in series
The assignment of traffic of the water side of heater group.
Claims (6)
1. the gas turbine presurized water reactor steam turbine combined cycle without separator, it is characterised in that: include steaming
Steam turbine high-pressure cylinder (1), high pressure cylinder steam discharge lead automobile fitting steam pipe (2), steam turbine low pressure (LP) cylinder (3), main steam control valve (4), condensing
Device (5), No. 1 high-pressure heater (6), secondary circuit main feed pump (7), oxygen-eliminating device (8), No. 3 low-pressure heaters (9), No. 4 low pressure add
Hot device (10), No. 5 low-pressure heaters (11), No. 6 low-pressure heaters (12), condensate pump (13), waste-heat boiler superheater (14),
Waste heat boiler high-pressure economizer (15), waste heat boiler low-pressure coal saver (16), steam generator (17), presurized water reactor (18), one time
Road main feed pump (19), gas turbine (20), DCS dcs；The heat that in presurized water reactor (18), nuclear fuel rod produces
Primary Ioops press water through circulating produces secondary circuit saturated vapor in steam generator (17)；Steam generator (17) saturated
Steam (vapor) outlet is connected with the steam inlet of waste-heat boiler superheater (14)；The steam (vapor) outlet of waste-heat boiler superheater (14) is through master
Porthole, main steam control valve (4) are connected with the import of steam turbine high pressure cylinder (1)；The water of waste heat boiler high-pressure economizer (15)
Side is in parallel with the water side of No. 1 high-pressure heater (6), heat in the way of shunting high pressure that secondary circuit main feed pump (7) exports to
Water；The water side of waste heat boiler low-pressure coal saver (16) with by No. 3 low-pressure heaters (9), No. 4 low-pressure heaters (10), No. 5 low pressure
The water side of the low-pressure heater group that heater (11), No. 6 low-pressure heaters (12) are composed in series is in parallel, heats in the way of shunting
The condensation water that condensate pump (13) exports；The turbo compressor import of gas turbine (20) sucks air, pressure through air filter screen group
Air after contracting mixes with natural gas in the low nitrogen burning system of gas turbine (20) and fully burns, and high-temperature high-pressure fuel gas exists
In the gas turbine group of gas turbine (20), acting drives the electromotor of gas turbine side；The gas turbine group of gas turbine (20)
The combustion engine tail gas of outlet, enters through flue and includes waste-heat boiler superheater (14), waste heat boiler high-pressure economizer (15), waste heat pot
The cigarette side entrance of the combustion engine waste heat boiler of stove low-pressure coal saver (16)；The cigarette side outlet of combustion engine waste heat boiler be connected with chimney or
Discharged fume by cooling tower in the way of nicotinic acids；Heavy duty gas turbine and presurized water reactor steam turbine form combined cycle system, profit
With the heat of gas turbine exhaust gas, secondary circuit main steam temperature is lifted up by 272.8 DEG C；DCS dcs is coordinated
Control presurized water reactor (18), gas turbine (20), steam turbine high pressure cylinder (1), steam turbine low pressure (LP) cylinder (3), steam with presurized water reactor
Amount difference and heavy duty gas turbine put into number of units and the difference of load, control secondary circuit main steam temperature at 535 DEG C to 630
Between DEG C, sliding temperature is run.
Gas turbine presurized water reactor steam turbine combined cycle without separator the most according to claim 1, its
Feature is described steam turbine high pressure cylinder (1) for double fluid, tangential admission, 1500rpm or 1800rpm, its through-current capability is pressed
The highest throttle (steam) temperature and first water flow reach to be designed simultaneously；The rotor of steam turbine high pressure cylinder (1), high temperature enter vapour
The material that room, nozzle, movable vane use meets the requirement run continuously under the highest throttle (steam) temperature；Turning of steam turbine high pressure cylinder (1)
Son, nozzle, the intensity of movable vane meet requirement when the highest throttle (steam) temperature and first water flow reach simultaneously to material, and have foot
Enough safety allowances.
Gas turbine presurized water reactor steam turbine combined cycle without separator the most according to claim 1, its
Feature is that described steam turbine low pressure (LP) cylinder (3) is different by 3 or 4 coaxial double fluids, tangential admissions by operating back pressure
Low pressure (LP) cylinder forms；1500rpm or 1800rpm；Throttle (steam) temperature and the maximum current capacity of steam turbine low pressure (LP) cylinder (3) press in vapour
Temperature 343.5 DEG C design.
Gas turbine presurized water reactor steam turbine combined cycle without separator the most according to claim 1, its
Feature is that described gas turbine (20) is made up of 6 F level gas turbines；6 F level gas turbines do not drive respective generating
Machine；The combustion engine tail gas of the gas turbine group outlet of 6 F level gas turbines enters same waste heat boiler；Gas turbine (20) is another
One optimal way is made up of 3 H level gas turbines；Gas turbine (20) another optimal way is made up of 4 G level gas turbines.
Gas turbine presurized water reactor steam turbine combined cycle without separator the most according to claim 1, its
The high pressure cylinder steam discharge that feature is described leads the steam drain of entrance point connection steam turbine high pressure cylinder (1) of automobile fitting steam pipe (2), outlet
End connects the air intake of 3 or 4 double-current low pressure (LP) cylinders, and high pressure cylinder steam discharge is led automobile fitting steam pipe (2) crushing at full capacity and is less than
10kPa。
Gas turbine presurized water reactor steam turbine combined cycle without separator the most according to claim 1, its
The combustion engine waste heat boiler that feature is described includes waste-heat boiler superheater (14), waste heat boiler high-pressure economizer (15), waste heat pot
Stove low-pressure coal saver (16)；Horizontal layout；Waste-heat boiler superheater (14) is by high temperature, middle temperature, 3 sections of superheater surface groups of low temperature
Become, be counter-flow arrangement with flue gas flow；Waste heat boiler high-pressure economizer system is configured with corresponding control valve group, is used for regulating
The assignment of traffic of the water side of the water side of waste heat boiler high-pressure economizer (15) and No. 1 high-pressure heater (6)；Waste heat boiler low pressure saves
Coal device system is configured with corresponding control valve group, is used for the water side regulating waste heat boiler low-pressure coal saver (16) low with by No. 3
It is low that pressure heater (9), No. 4 low-pressure heaters (10), No. 5 low-pressure heaters (11), No. 6 low-pressure heaters (12) are composed in series
The assignment of traffic of the water side of pressure heater group.
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| CN109268085A (en) * | 2018-08-06 | 2019-01-25 | 国核电力规划设计研究院有限公司 | The pressurized-water reactor nuclear power plant circulatory system and pressurized-water reactor nuclear power plant electricity-generating method |
| CN109653875A (en) * | 2017-09-28 | 2019-04-19 | 通用电气公司 | Fuel preheating system for combustion turbine engine |
| CN112177695A (en) * | 2020-09-29 | 2021-01-05 | 西安热工研究院有限公司 | Small pressurized water reactor power generation system adopting micro superheated steam |
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| CN112177695A (en) * | 2020-09-29 | 2021-01-05 | 西安热工研究院有限公司 | Small pressurized water reactor power generation system adopting micro superheated steam |
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