CN107327326A - A kind of integral combined circulating power generation system of integrated garbage gas steam - Google Patents
A kind of integral combined circulating power generation system of integrated garbage gas steam Download PDFInfo
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- CN107327326A CN107327326A CN201710632789.6A CN201710632789A CN107327326A CN 107327326 A CN107327326 A CN 107327326A CN 201710632789 A CN201710632789 A CN 201710632789A CN 107327326 A CN107327326 A CN 107327326A
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- heat boiler
- superheater
- waste
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Classifications
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- 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
- F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
- F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
- F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
- F01K23/10—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
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- 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
- F01K13/00—General layout or general methods of operation of complete plants
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
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- 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
- Y02E20/12—Heat utilisation in combustion or incineration of waste
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- 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]
Abstract
The present invention discloses a kind of integral combined circulating power generation system of integrated garbage gas steam, including waste incinerator, waste heat boiler and the compressor, combustion chamber, turbine, steam turbine and the generator that are sequentially connected；Enter waste heat boiler high temperature section after the steam mixing of temperature close in the outlet vapor and waste heat boiler of waste incinerator and carry out heating overheat, thermal source is used as by the use of the high-temperature flue gas that turbine is exported, the mixed vapour heated in waste heat boiler does work into steam turbine, and the exhaust steam after acting, which is condensed into after water, enters waste heat boiler and waste incinerator composition thermodynamic cycle.The present invention becomes the rubbish discarded into the energy, multi-source is complementary, the parameter for the steam that waste incinerator is produced is improved in waste heat boiler, improve the thermal efficiency and power that the steam of waste incinerator generation generates electricity in steam circulation, it turn avoid the problem of incinerator corrodes aggravation in the case of a high temperature simultaneously, extend the life-span of waste incinerator, with the features such as operational reliability is high, pollutant emission is few.
Description
Technical field
The present invention relates to a kind of multi-source (rubbish, combustion gas, steam the energy) complementary integral combined circulating power generation system, especially
It is related to the integral combined circulating power generation system of a kind of integrated rubbish, combustion gas and steam.
Background technology
With the continuous propulsion of Urbanization in China, the rubbish that city is produced is also increasing, and garbage disposal problem is compeled
In the eyebrows and eyelashes.Shown according to related data, China's municipal refuse is just increased with annual 8-10% rate of rise, and at the same time rubbish
The rate of rise for the treatment of capacity is lagging behind the speed produced in rubbish, and city suburbs tract, rubbish are occupied and polluted to rubbish
Phenomenon of encircling a city is serious, and the city that China there are about 1/3 is among rubbish encirclement.The method of garbage disposal is nothing more than three kinds：Landfill,
Compost, burning electricity generation.Landfill disposal occupies substantial amounts of land resource, easily causes the pollution of soil and water quality, wherein landfill hair
Gas, fire hazardous and the greenhouse effects such as the methane that ferment is produced.Compost is with high costs, and minimizing degree is small.While the two
Process cycle is longer, it is difficult to adapt to current urban development requirement.Burning electricity generation compared to the above two have floor space it is small,
The features such as minimizing degree is high, effect on environment is small, resource formation is recycled.National " 12 " planning is by waste incineration
Reason is classified as the field first developed.
Due to the also inreal comprehensive implementation refuse classification of China, rubbish is in the situation of mixed collection, causes rubbish all the time
The mean calorie of rubbish is relatively low, and simultaneously containing compositions such as more chlorine, alkali metal and sulphur, these compositions easily cause the corruption of incinerator
Erosion, influences life-span and the operation safety of unit, particularly evident on the unit compared with high parameter, such as using the Guangzhou of time HTHP
Lee cheats garbage incinerating power plant.Therefore, in order to reduce corrosion, waste incinerator is generally limited to medium temperature and medium pressure boiler, its main steaming
Vapour parameter is 4MPa/400 DEG C.To prevent the low-temperature corrosion of waste incinerator exit, exhaust gas temperature is higher.Relatively low refuse thermal value
With triple influences of main steam condition and higher exhaust gas temperature so that its generating efficiency is only in 10-20% or so.Reducing
On the premise of the corrosion, safety operation of equipment, the efficiency for how further improving waste incineration and generating electricity system is extremely urgent.
Patent document (U.S. patent Nos, application publication number US005724807A, application number 790247) discloses one kind
Rubbish-gas turbine combined cycle power plant system.This rubbish-gas turbine combined cycle power plant system is by gas turbine, rubbish
Rubbish incinerator and steam turbine etc. are constituted.Purpose is, in the case where reducing waste incinerator high temperature corrosion, to improve waste incineration
The vapor (steam) temperature of outlet of still.Its realization means is that waste incinerator is produced using the high-temperature fuel gas of gas turbine turbine discharge
Steam superheating, the high-temperature steam of generation does work into steam turbine, and temperature drops after the high-temperature fuel gas heating steam of gas turbine discharge
It is low, heating is used further into incinerator to water and air.The electricity generation system improves the temperature of steam, steam turbine acting ability
Increase, also improves the thermal efficiency for the steam generating system that waste incinerator is produced, it is to avoid because the temperature for improving steam makes to burn
The problem of burning stove corrosion aggravation, makes the life-span of waste incinerator be unlikely to shorten because the temperature of steam is improved.Whole system
Compact conformation, floor space is relatively fewer.
But as described above, steam of the high-temperature fuel gas of gas turbine discharge for heating waste incinerator generation, is allowed to
After overheat, heating is used further into incinerator to water and air, due to combustion gas and the temperature to water and air for entering incinerator
Difference is larger, caused by heat transferDamage very big, from the viewpoint of according to energy grade right combination energy, such configuration mode is very
It is unreasonable, real energy is not implemented according to the reasonable cascade utilization of grade.
Patent document (U.S. patent Nos, application publication number US6604354B2, application number 09/988,143) discloses one
The association circulating power generation system for now operation low capacity steam circulation generating set transformation is planted, this patent is also applied for rubbish and burnt
Burn steam circulation generating set.This kind of association circulating power generation system is by gas turbine, waste heat boiler, steam turbine and now runs low
Capacity boilers are constituted.Purpose is to solve that the power that the steam circulation generating set that now runs is present is small, the thermal efficiency is low, on the verge of being replaced
The problem of, the power and the thermal efficiency of package unit are improved using the high circulation thermal efficiency of Gas-steam Combined Cycle, is realized high
Effect, environmental protection, economical operation.The steam that waste heat boiler is produced and the steam that now operation boiler is produced together are mixed into steam turbine and done
Work(, exhaust steam after acting is condensed and pressurization after proceed to waste heat boiler and now run boiler.Steam turbine and gas turbine drive respectively
Dynamic electrical power generators, produce electric energy.This system improves exerting oneself for package unit, simple system, while reducing the platform of steam turbine
Number, it is to avoid extra high installation cost and building expense that new power plant construction is brought.
Mixed as described above, this association circulating power generation system is the steam that boiler is simply run by waste heat boiler and now
Close, do not improve the main steam condition for now running boiler export, the efficiency for now running steam generating system is not improved.Simultaneously
Because two strands of steam parameters are operationally easier to produce temperature deviation and pressure difference, operation difficulty is larger during mixing, operation operation
Inconvenience, and once there is deviation in two strands of steam parameters in operation, and being simply mixed increases irreversible loss, and energy devalues,
The whole device thermal efficiency declines.Further, this mode also limit the association circulating power generation system heat boiler outlet newly increased
Steam parameter optimum choice, be allowed to must be with the low capacity steam circulation generating set boiler export run originally steam
Parameter is consistent, is unfavorable for the optimum choice according to each parameters of operating part of synthesis energy, and package unit is not reaching to parameter matching and optimization,
The thermal efficiency is not optimal.Further, since steam flow increase, steam turbine originally is also required to extending and replacing.
The content of the invention
For rubbish-gas turbine combined cycle power plant system of patent document 1 (application publication number US005724807A),
Although with avoiding waste incinerator high temperature corrosion from aggravating, the life-span does not shorten, the first temperature rise of steam circulation, steam turbine acting
Ability increases, and the thermal efficiency of steam circulation is improved, and the features such as system architecture is compact heats the feedwater into incinerator with combustion gas
And air, but because combustion gas and the temperature difference to water and air of entrance incinerator are larger, caused by heat transferDamage it is very big, from according to
From the viewpoint of energy grade right combination energy, such configuration mode is very unreasonable, and combustion gas capacity usage ratio is low.Patent document
2 (application publication number US6604354B2) are directed to that the power that the steam circulation generating generating set that now runs is present is small, the thermal efficiency
It is low, the problem of on the verge of being replaced, although the work(of package unit is improved with the high circulation thermal efficiency using Gas-steam Combined Cycle
Rate and the thermal efficiency, simple system, while reducing the configured number of steam turbine, it is to avoid extra high installation cost that new power plant construction is brought and
The characteristics of building expense, but because two strands of steam parameters are operationally easier to produce temperature deviation and pressure difference, it is difficult to be operated during mixing
Degree is larger, operation operation inconvenience, and being simply mixed increases irreversible loss, and the mixed vapour energy of heat boiler outlet is demoted
Value, the whole device thermal efficiency declines.Further, since steam flow increase, steam turbine originally is also required to extending and replacing；And simultaneously
The main steam condition of existing operation boiler export is not improved, and the efficiency for now running steam generating system is not improved.For the above
The problem of patent is present, the present invention provides a kind of multi-source (rubbish, combustion gas, the energy of steam) complementary integrated rubbish-combustion gas-steaming
The integral combined circulating power generation system of vapour, improves the thermal efficiency for the steam circulation generating that waste incineration is produced, and energy obtains step
Rationally utilize, realize unit safety, efficient, environmental protection operation.The system is by gas turbine, waste heat boiler, steam turbine, waste incineration
Fume treatment auxiliary and the auxiliary equipment composition of stove and correlation.Temperature close in waste incinerator outlet vapor and waste heat boiler
Steam is together mixed into waste heat boiler high temperature section and heated, and the mixed vapour after heating does work into steam turbine, after acting
Exhaust steam is condensed and pressurization after proceed to waste heat boiler and waste incinerator and constitute thermodynamic cycle.Steam turbine and gas turbine difference
Electrical power generators are driven, electric energy is produced, realization is incorporated into the power networks with the external world.
Combined cycle generation system of fuel gas-steam has short construction period, small investment, operational reliability height, disposal of pollutants
Few the features such as, enable it to measure cascade utilization due to combining Bretton and Rankine cycle, generating efficiency is high.Combustion gas turbine is arranged
Cigarette temperature is 550-650 DEG C, and the main steam temperature of medium temperature and medium pressure incinerator is 400 DEG C, is discharged fume in waste heat boiler using turbine
Main steam to incinerator is further heated, and improves the main steam condition that waste incinerator is produced, and improves waste incinerator
The thermal efficiency and power that steam circulation generates electricity are produced, while the problem of incinerator corrodes aggravation in the case of a high temperature is turn avoid,
Extend the life-span of waste incinerator.Due to the combustion gas that is provided with waste heat boiler, waste heat boiler and the heat transfer temperature difference of vapor compared with
It is small, heat exchangeDamage small, realize cascaded utilization of energy.The system is normally at city suburbs simultaneously, is conducive to the effective of resource
Integrate, become the rubbish discarded into the energy, waste incineration unit and gas-steam combined cycle set are compact integrated, reduce steam
The number of the equipment such as turbine and generator so that floor space is relatively small, small investment, utilization rate of equipment and installations is high.
In order to achieve the above object, the concrete technical scheme that the present invention is used is as follows：
A kind of integral combined circulating power generation system of integrated rubbish-fuel gas-steam, including waste incinerator, waste heat boiler
And compressor, combustion chamber, turbine, steam turbine and the generator being sequentially connected；Outlet vapor and the waste heat pot of waste incinerator
Enter waste heat boiler high temperature section after the steam mixing of temperature close in stove and carry out heating overheat, the high-temperature flue gas exported using turbine
As thermal source, the mixed vapour in heating waste heat boiler does work into steam turbine, and the exhaust steam after acting, which is condensed into after water, enters remaining
Heat boiler and waste incinerator constitute thermodynamic cycle.
In the present invention, this some vapor ginseng that waste incinerator is produced is improved in the superheater of waste heat boiler high temperature section the 3rd
Number, improves the thermal efficiency and power that this some vapor of waste incinerator generation generates electricity in steam circulation, is burnt while turn avoid
The problem of stove corrodes aggravation in the case of a high temperature is burnt, extends the life-span of waste incinerator.
There is the high pressure cylinder of coaxial connection, intermediate pressure cylinder and low pressure (LP) cylinder successively as preferred, described steam turbine.
As preferred, the first economizer being sequentially connected, the first evaporator and first are set in the waste incinerator
Superheater, the partial condensation water after steam turbine acting passes sequentially through shape after the first economizer, the first evaporator and the first superheater
Into the outlet vapor of waste incinerator.
As preferred, the second economizer, the second evaporator, the second superheater, reheating are installed in the waste heat boiler
Device and the 3rd superheater, wherein the second economizer, the second evaporator and the second superheater are sequentially connected, the first superheater and second
The outlet of superheater is connected by pipeline with the import of the 3rd superheater respectively, and the outlet of the 3rd superheater is connected with high pressure cylinder,
The outlet of high pressure cylinder and the import connection of reheater, the outlet of reheater and the import of intermediate pressure cylinder are connected, and the outlet of intermediate pressure cylinder leads to
The import connection of piping and low pressure (LP) cylinder；
Be connected with condenser and feed pump in turn in the exit of the low pressure (LP) cylinder, for steam turbine to be done work after exhaust steam
It is condensed into after water and sends into the first economizer and the second economizer.
It is incorporated into the power networks as preferred, described integral combined circulating power generation system with extraneous power network.
The advantage of the invention is that：The system is normally at city suburbs, is conducive to effectively integrating for resource, becomes what is discarded
Rubbish is the energy, and multi-source (rubbish, combustion gas, the energy of steam) is complementary, waste incineration unit and gas-steam combined cycle set
It is compact integrated, reduce the number of the equipment such as steam turbine and generator so that floor space is relatively small, small investment, equipment utilization
Rate is high.The main steam condition that waste incinerator is produced further is improved, the steam of waste incinerator generation is improved in steam circulation
The thermal efficiency and power of generating, while turn avoid the problem of incinerator corrodes aggravation in the case of a high temperature, extend waste incineration
The life-span of stove.Due to being provided with waste heat boiler, by rationally designing heat exchange mode, thermal energy step is set rationally to utilize, waste heat boiler
In flue gas and vapor heat transfer temperature difference it is smaller, heat exchangeDamage small, realize cascaded utilization of energy.The system also has operation
The features such as reliability is high, pollutant emission is few.
Brief description of the drawings
Fig. 1 is the integral combined circulating power generation system figure of integrated rubbish-fuel gas-steam in the present invention.
Embodiment
Refer to the attached drawing, which can be more fully described on the present invention, figure, shows certain embodiments of the present invention, but not institute
Some embodiments.In fact, the present invention can be embodied as in many different forms, single pressure, double pressures can be applied to, three pressures, had
Electricity generation system without multi-form combinations such as reheating, Natural Circulation, control circulation, direct current, single shaft, multiaxises.It should not be seen
It is only limitted to the embodiments set forth herein；And embodiments of the invention should be regarded as in order that present disclosure
Meet applicable legitimate claim and provide.The present embodiment is to this hair with reference to Figure of description and specific implementation
Bright substantive distinguishing features are described further：
The integral combined circulating power generation system figure of integrated rubbish-fuel gas-steam is as shown in figure 1, its working process and principle
It is as follows：Air in atmospheric environment enters after filtering is compressed boosting in compressor 1, the pressure-air of generation enters combustion
Burn and carry out mixed combustion in room 2 with fuel, the combustion gas of the HTHP of generation enters turbine 3, converts heat into mechanical energy.Thoroughly
The flue gas of flat 3 discharge, which enters in waste heat boiler 4, waste heat boiler, is provided with the second economizer 5, the second evaporator 6, the second superheater
7th, the water in the 3rd superheater 9 and reheater 8, waste heat boiler 4 absorbs the most heat of flue gas.Flue gas is from waste heat boiler 4
Enter after discharging in fume treatment auxiliary, through handling heel row into atmospheric environment.
Rubbish enters in incinerator 10, is burnt under the cooperation of primary and secondary air, and the solid slag of generation is arranged by stove lower end
Go out, the high-temperature flue gas of generation is by the first evaporator 12, the first superheater 13 and the second economizer 11 in stove, and cigarette is passed through in smoke evacuation
Gas disposal equipment heel row is into atmospheric environment.The water that feed pump 14 pressurizes respectively enters the He of the second economizer 5 in waste heat boiler 4
The first economizer 11 in waste incinerator 10.The second evaporator 6 and the second mistake are passed sequentially through into the water in the second economizer 5
The vapor of the hot formation of device 7 higher temperatures.At the same time, the He of the first evaporator 12 is passed sequentially through into the water in the first economizer 11
The vapor of first superheater 13 formation higher temperatures.The vapor that the two is produced after mixing, enters into the 3rd superheater 9 together
Row overheat, produces superheated steam at higher temperature, and the high pressure cylinder 16 for entering steam turbine does work, and the vapor of high pressure cylinder outlet enters
The reheater 8 of waste heat boiler is reheated, and the temperature for the vapor that reheater 8 is produced is close to main steam temperature, then reheating
The vapor that device 8 is exported sequentially enters intermediate pressure cylinder 17, low pressure (LP) cylinder 18 and done work, and the exhaust steam of turbine low pressure cylinder 18 enters condenser 15
Condensation, become aqueous water, aqueous water is re-fed into feed pump 14 and pressurizeed, wherein the high pressure cylinder 16 of the cleared-out power of turbine 3 and steam turbine,
The common driving generator 19 of exerting oneself of intermediate pressure cylinder 17 and low pressure (LP) cylinder 18 generates electricity, so as to complete circulation, produces electric energy.
The secondary HTHP of 450t rubbish will be handled with certain gas-steam combined circulating generation unit and one day below
The parameter of 6.5MPa/450 DEG C of waste incineration and generating electricity unit carries out calculating analysis.
Certain the gas-steam combined circulating generation unit parameter of table 1
The waste incinerator electricity generation system parameter of table 2
1. traditional gas-steam combined circulating generation unit and waste incineration and generating electricity unit discrete part：
For gas-steam combined circulating generation unit, it can be obtained by heat balance, the heat and cigarette of water vapor absorption
Gas is equal in waste heat boiler import and export heat difference, then has：
Try to achieve vapor flow mstream1=96.613kg/s
Then steam turbine does work：
Pst1=mstream1[(hhs1-hhs2)+(hre-hls2]/1000 (2)
Try to achieve Pst1=147MW；
For waste incineration and generating electricity unit, the total amount of heat of boiler is obtained by equation of heat balance：
The heat of water vapor absorption：
Qws=Qwηz (4)
Try to achieve Qw=44.528MW, Qws=36.657MW.
Then steam turbine, which does work, is：
Pst2=mstream[(hhs1-hhs2)+(hre-hls2]/1000 (5)
Try to achieve waste incinerator steam turbine acting Pst2=11.264MW；
Assuming that the mechanical efficiency η of unitmFor 0.99, generator efficiency ηgFor 0.96.
Discrete part gross capability：
Pe1=(Pgt+Pst1+Pst2)ηmηg (6)
Obtain gross capability Pe1=402.983MW；
Total generating efficiency：
Try to achieve total generating efficiency ηe1=55.81%；
Total heat consumption rate：
Try to achieve total heat consumption rate q1=6450.46kJ/KW.h；
2. the integral combined circulating power generation system of integrated rubbish-fuel gas-steam：
The steam that waste incinerator is produced is warming up to t in waste-heat boiler superheaterhs1560 DEG C, the part vapor passes through
The reheater that waste heat boiler is entered back into after high pressure cylinder is heated, the heat Q that some vapor is inhaled in waste heat boilerws：
Qws=Dw(hhs1-hws0+hre-hhs2)/3.6 (9)
The vapor for trying to achieve waste incinerator generation absorbs heat Q in waste heat boilerws=8.910MW
Known by heat balance, the water into Economizer of Heat Recovery Boiler is heated in waste heat boiler, produces the amount of steam
mstream1:
The water tried to achieve into Economizer of Heat Recovery Boiler is heated in waste heat boiler, produces the amount m of steamstream1=
94.27kg/s
Then steam turbine acting Pst：
Pst=(mstream1+Dw)[(hhs1-hhs2)+(hre-hls2)]/1000 (11)
Try to achieve steam turbine acting Pst=163.528MW；
Assuming that the mechanical efficiency η of unitmFor 0.99, generator efficiency ηgFor 0.96.
Integrated total system gross capability：
Pe2=(Pgt+Pst)ηmηg (12)
Obtain gross capability Pe2=407.986MW；
Total generating efficiency：
Obtain total generating efficiency ηe2=56.50%；
Overall heat consumption rate：
Obtain overall heat consumption rate q2=6371.5kJ/KW.h；
Following table is the contrast of discrete part and the major economic indicators of over all Integration system, and contrast is found, total hair of unit
Electrothermal efficiency rises 1.2%, the gross capability increase 5.003MW of unit.
The traditional discrete part of table 3 is contrasted with integrated rubbish-fuel gas-steam cycle generating system total system
The foregoing is only the preferable implementation example of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (5)
1. a kind of integral combined circulating power generation system of integrated rubbish-fuel gas-steam, including waste incinerator (10), waste heat pot
Stove (4) and the compressor (1) being sequentially connected, combustion chamber (2), turbine (3), steam turbine and generator (19), it is characterised in that：
Enter waste heat boiler after the steam mixing of temperature close in the outlet vapor and waste heat boiler (4) of waste incinerator (10)
(4) superheater (9) of high temperature section the 3rd carries out heating overheat, and thermal source, heating waste heat are used as by the use of the high-temperature flue gas that turbine (3) is exported
Mixed vapour in boiler (4) does work into steam turbine, and the exhaust steam after acting, which is condensed into after water, enters waste heat boiler (4) and rubbish
Burn (10) stove and constitute thermodynamic cycle.
2. integral combined circulating power generation system as claimed in claim 1, it is characterised in that：Described steam turbine has successively altogether
High pressure cylinder (16), intermediate pressure cylinder (17) and the low pressure (LP) cylinder (18) of axle connection.
3. integral combined circulating power generation system as claimed in claim 2, it is characterised in that：Set in the waste incinerator (10)
Put the first economizer (11) being sequentially connected, the first evaporator (12) and the first superheater (13), the part after steam turbine acting
Condensed water passes sequentially through the first economizer (11), the first evaporator (12) and the first superheater (13) and forms waste incinerator afterwards
(10) outlet vapor.
4. integral combined circulating power generation system as claimed in claim 3, it is characterised in that：Installed in the waste heat boiler (4)
There are the second economizer (5), the second evaporator (6), the second superheater (7), reheater (8) and the 3rd superheater (9), wherein second
Economizer (5), the second evaporator (6) and the second superheater (7) are sequentially connected, the first superheater (13) and the second superheater (7)
Outlet be connected respectively by pipeline with the import of the 3rd superheater (9), the outlet of the 3rd superheater (9) with high pressure cylinder (16) even
Connect, the outlet of high pressure cylinder (16) and the import connection of reheater (8), the outlet of reheater (8) connects with the import of intermediate pressure cylinder (17)
Connect, the outlet of intermediate pressure cylinder (17) is connected by the import of pipeline and low pressure (LP) cylinder (18)；
Condenser (15) and feed pump (14) are connected with turn in the exit of the low pressure (LP) cylinder (18), for steam turbine to be done work
Exhaust steam afterwards, which is condensed into after water, is pumped into the first economizer (5) and the second economizer (11).
5. integral combined circulating power generation system as claimed in claim 4, it is characterised in that：Described integrated combination cycle generates electricity
System is incorporated into the power networks with extraneous power network.
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| CN107989664A (en) * | 2017-12-28 | 2018-05-04 | 华西能源工业股份有限公司 | The super-pressure circulatory system and method for burning power plant flue gas reheater |
| CN109372602A (en) * | 2018-09-07 | 2019-02-22 | 上海明华电力技术工程有限公司 | A kind of biomass incinerator and coal unit steam coupled system and method |
| CN109578968A (en) * | 2018-12-18 | 2019-04-05 | 华北电力大学 | A kind of coal generating system of coal-burning boiler and waste incinerator segmented couples |
| CN113047919A (en) * | 2021-04-16 | 2021-06-29 | 中国能源建设集团广东省电力设计研究院有限公司 | Multi-backpressure gas-steam combined cycle power generation system |
| CN113336222A (en) * | 2021-05-19 | 2021-09-03 | 光大环保技术研究院（深圳）有限公司 | System for biomass preparation activated carbon coupling waste incineration power generation and operation process thereof |
| CN113979823A (en) * | 2021-12-09 | 2022-01-28 | 中国华能集团清洁能源技术研究院有限公司 | Device and method for utilizing waste heat of slag of waste incineration power plant to co-produce acetylene |
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| CN107989664A (en) * | 2017-12-28 | 2018-05-04 | 华西能源工业股份有限公司 | The super-pressure circulatory system and method for burning power plant flue gas reheater |
| CN109372602A (en) * | 2018-09-07 | 2019-02-22 | 上海明华电力技术工程有限公司 | A kind of biomass incinerator and coal unit steam coupled system and method |
| CN109372602B (en) * | 2018-09-07 | 2024-01-30 | 上海明华电力科技有限公司 | Steam coupling system and method for biomass incinerator and coal-fired unit |
| CN109578968A (en) * | 2018-12-18 | 2019-04-05 | 华北电力大学 | A kind of coal generating system of coal-burning boiler and waste incinerator segmented couples |
| CN109578968B (en) * | 2018-12-18 | 2023-10-20 | 华北电力大学 | Coal-fired power generation system with sectional coupling of coal-fired boiler and garbage incinerator |
| CN113047919A (en) * | 2021-04-16 | 2021-06-29 | 中国能源建设集团广东省电力设计研究院有限公司 | Multi-backpressure gas-steam combined cycle power generation system |
| CN113336222A (en) * | 2021-05-19 | 2021-09-03 | 光大环保技术研究院（深圳）有限公司 | System for biomass preparation activated carbon coupling waste incineration power generation and operation process thereof |
| CN113336222B (en) * | 2021-05-19 | 2024-01-30 | 光大环保技术研究院（深圳）有限公司 | System for generating electricity by biomass preparation activated carbon coupled with garbage incineration and operation process thereof |
| CN113979823A (en) * | 2021-12-09 | 2022-01-28 | 中国华能集团清洁能源技术研究院有限公司 | Device and method for utilizing waste heat of slag of waste incineration power plant to co-produce acetylene |
| CN113979823B (en) * | 2021-12-09 | 2024-04-16 | 中国华能集团清洁能源技术研究院有限公司 | Device and method for co-producing acetylene by utilizing waste heat of slag of waste incineration power plant |
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