CN104595031B - Combined cycle power plant with improved efficiency - Google Patents
Combined cycle power plant with improved efficiency Download PDFInfo
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- CN104595031B CN104595031B CN201410599769.XA CN201410599769A CN104595031B CN 104595031 B CN104595031 B CN 104595031B CN 201410599769 A CN201410599769 A CN 201410599769A CN 104595031 B CN104595031 B CN 104595031B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 238000007701 flash-distillation Methods 0.000 claims abstract description 12
- 238000000605 extraction Methods 0.000 claims abstract description 11
- 238000002485 combustion reaction Methods 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims description 59
- 238000010438 heat treatment Methods 0.000 claims description 36
- 238000011084 recovery Methods 0.000 claims description 23
- 239000000446 fuel Substances 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 8
- 208000033830 Hot Flashes Diseases 0.000 claims description 4
- 206010060800 Hot flush Diseases 0.000 claims description 4
- 238000010793 Steam injection (oil industry) Methods 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 3
- 239000000567 combustion gas Substances 0.000 claims 1
- 238000004064 recycling Methods 0.000 claims 1
- 230000004048 modification Effects 0.000 description 21
- 238000012986 modification Methods 0.000 description 21
- 230000008901 benefit Effects 0.000 description 6
- 238000010992 reflux Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 4
- 230000003134 recirculating effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 238000003809 water extraction Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Abstract
CCPP includes gas turbine, HRSG, steamturbine, flash tank and the first and second supply lines.Gas turbine, HRSG and steamturbine are interconnected to generate power.Gas turbine may include air preheating system, to preheat the air supplied in gas turbine, to allow accelerated combustion therein.Flash tank is fluidly connected at HRSG cold end, with the hot water discarded from cold end extraction.In addition, first supply pipe line is configured to interconnect flash tank and steamturbine, to supply flash-off steam to steamturbine.In addition, second supply pipe line is configured to interconnect flash tank and air preheating system, to supply the flash distillation condensate liquid of heat to it.
Description
Technical field
This disclosure relates to combined cycle power plant, and more specifically, be related to for optimizing combined cycle power plant's effect
Improvement in the cycle arrangement of rate.
Background technology
In combined cycle power plant (CCPP), gas turbine and steamturbine produce electrical power in combination.The CCPP cloth
It is set to so that gas turbine is connected to steamturbine via heat recovery steam generator (HRSG).The HRSG is heat exchanger, its profit
The feedwater for steam generating process is heated with the discarded exhaust of gas turbine, for operating steamturbine.In HRSG
The hot optimum utilization of acquisition is to improve a main standard of CCPP efficiency.
In spite of for obtaining the hot various routine techniques in HRSG, but it there is likely to be heat (especially HRSG's be cold
Heat at end) unemployed possibility.Therefore exist to improving CCPP efficiency most preferably using the heat at HRSG cold ends
With the needs of output.
The content of the invention
The present disclosure describes the improvement in the cycle arrangement for optimizing combined cycle power plant's efficiency and output, it will be
Itd is proposed in following short summary, to provide the shortcomings that intention overcomes discussion but including its all advantage and to provide some again additional
The basic comprehension of one or more various aspects of the disclosure of advantage.The summary is not the extensive overview of the disclosure.It is intended to both
The crucial or decisive element of the uncertain disclosure, the category of the disclosure is not described yet.On the contrary, the sole purpose of the summary is work
For the preamble in greater detail proposed afterwards, some designs of the disclosure, its aspect and advantage are proposed in simplified form.
One purpose of the disclosure is the combined cycle power plant of description improvement, and it can be useful in changes in cycle arrangement
In terms of the kind efficiency for optimization combined cycle power plant.In addition, the purpose of the disclosure is a kind of combined cycle power plant of description,
It is easily used in a manner of efficient and cost-effective.The other various purposes and feature of the disclosure will from it is ensuing specifically
Bright and claim and become apparent.
In an aspect, purpose presented above and other can be reached by improved combined cycle power plant.Should
Combined cycle power plant include at least one gas turbine, at least one heat recovery steam generator, at least one steamturbine,
At least one flash tank and the first and second supply lines.At least one gas turbine is configured to produce gas to generate work(
Rate, and then release exhaust.At least one gas turbine is configured to receive heating from gas turbine air pre-heating system
Air, for allowing the active combustion of fuel to produce gas.In addition, at least one heat recovery steam generator is thermally coupled
To at least one gas turbine, to produce steam using the heat energy extracted from the exhaust of at least one gas turbine.
In addition, at least one steamturbine is thermally coupled at least one heat recovery steam generator, it is at least one by this to utilize
Steam next life success rate caused by heat recovery steam generator.At least one flash tank is fluidly connected at least one heat
At the cold end of recovered steam generator, to extract hot water from cold end.Connection to the cold end of heat recovery steam generator means this
Flash tank is connected to the outlet of Tube Sheet of Heat Exchanger or tube bank, and the outlet is arranged as relative to upstream in heat recovery steam generator
Held closer to downstream is (cold) at (heat) end.For example, example Tube Sheet of Heat Exchanger or tube bank are arranged in the downstream one of heat recovery steam generator
Half or downstream 1/3rd.Relative to the extension of heat recovery steam generator in the flow direction for the waste gas for travelling across it
On, water is preheated in the cold end of heat recovery steam generator.In addition, first supply pipe line is configured at least one sudden strain of a muscle
Steam groove to interconnect with least one steamturbine, to allow supply of the flash-off steam at least one steamturbine.Second supplies
Pipeline is answered to be configured to interconnect at least one flash tank and at least one gas turbine air pre-heating system, to allow heat
Flash supply of the condensate liquid to the gas turbine air pre-heating system.
In one embodiment of the disclosure, combined cycle power plant may include feed-water preheating system, feed-water preheating system
It is thermally coupled to the cold end of at least one heat recovery steam generator.This is maintained at the cold end of heat recovery steam generator
The temperature requirement of feedwater.In this embodiment, the hot water for flashing purpose can be extracted from feed-water preheating system.
In the another embodiment of the disclosure, combined cycle power plant may include the first bypass part, to be supplied from second
Pipeline optionally bypasses part or all of flash distillation condensate liquid, for around gas turbine air pre-heating system.
In the another embodiment of the disclosure, combined cycle power plant may include the second bypass part, to be steamed from recuperation of heat
The cold end of vapour generator optionally bypasses part or all of the hot water of extraction, for making at least one flash tank
In extraction hot water supply bypass, and as recirculating system at least one heat recovery steam generator
Place's heating condensate liquid, to reach the minimum temperature of requirement.
In the another embodiment of the disclosure, combined cycle power plant may include at least one additional heating source, and this at least one
Individual additional heating source fluidly connects at least one flash tank, for being supplied to the additional heat of at least one flash tank
Water extracts.
In the another embodiment of the disclosure, combined cycle power plant may also comprise the offer of gas-preheating.In this reality
Apply in example, combined cycle power plant may include gas-preheating system, and the gas-preheating system is configured to heating and is supplied to this extremely
The fuel of a few gas turbine is for active combustion.In such configuration, gas-preheating system is suitable to construction in the second confession
Answer in pipeline, the fuel of at least one gas turbine is supplied to preheat to utilize the heat of the flash distillation condensate liquid come self-heating.
In another embodiment, combined cycle power plant provides multiple flash tanks rather than a flash tank.The plurality of sudden strain of a muscle
Steam groove and be configured to hot water extraction and then by steam turbine stage corresponding to the flash-off steam injection of the stress level of change.
In another embodiment, combined cycle power plant may also include at least one heat exchanger, at least one heat exchanger
Suitable for being constructed to second supply pipe line.In such an embodiment, at least one heat exchanger and gas turbine air pre-heating system
It is constructed together, for preheating the air supplied in gas-turbine unit.
In the another embodiment of combined cycle power plant, it is pre- that at least one gas turbine can exclude gas turbine air
Hot systems, wherein not requiring to heat.And in this embodiment, second supply pipe line be configured to by heat flash distillation condensate liquid from this to
A few flash tank is supplied to reflux pipeline, goes at least one heat recovery steam generator 120 or goes to feed-water preheating system.
These and other side of the disclosure are particularly pointed out in the disclosure, together with the various novelties of the description disclosure
Feature.In order to more fully understand the disclosure, its service advantages and application thereof, the example demonstration that the disclosure wherein be present should refer to
The accompanying drawing of embodiment and descriptive item.
Brief description of the drawings
The advantages of disclosure and feature are more preferable by the following detailed description and the claim that are carried out with reference to accompanying drawing
Ground understands that in the accompanying drawings, similar element is represented with similar label, and wherein：
Fig. 1 is shown is incorporated in combined cycle generation of the invention therein according to the drawing for example embodiment of the disclosure
The example circuit figure of factory (CCPP)；
Fig. 2 shows another instance graph of the first modification for the CCPP for drawing Fig. 1；
Fig. 3 shows another instance graph of the second modification for the CCPP for drawing Fig. 1；
Fig. 4 shows another instance graph of the 3rd modification for the CCPP for drawing Fig. 1；
Fig. 5 shows another instance graph of the 4th modification for the CCPP for drawing Fig. 1；
Fig. 6 shows another instance graph of the 5th modification for the CCPP for drawing Fig. 1；
Fig. 7 shows another instance graph of the 6th modification for the CCPP for drawing Fig. 1；And
Fig. 8 shows the yet another embodiment figure for the 7th modification for drawing the CCPP that gas turbine excludes air preheating system.
Through the description of several views of accompanying drawing, similar reference numeral indicates similar part.
List of reference characters
100 combined cycle power plants (CCPP)
110 gas turbines；
112 gas turbine air pre-heating systems
120 heat recovery steam generators (HRSG)
122 HRSG cold end
126 low pressure (LP) roller
130 steamturbines, LP steamturbines
135 condensers
136 reflux pipelines
137 pumps
140 flash tanks
141 flash valves
142 supply lines
150 first supply pipe lines
160 second supply pipe lines
162 pumps
170 feed-water preheating systems
172 recirculating systems
180 first bypass parts
190 second bypass parts
200 additional heating sources
300 gas-preheating systems
310th, 320 heat exchanger
400 heat exchangers
420 intermediate heat transfer loops.
Embodiment
For the thorough understanding to the disclosure, the reference of above-mentioned accompanying drawing will be combined and be described below in detail, including appended right will
Ask.In the description which follows, in order to illustrate, many details are set forth, to provide the thorough understanding of the disclosure.It is but right
It is in those skilled in the art it is readily apparent that the disclosure can be implemented in the case of these no details.Other
Under conditions of, construction and device is only shown in block diagram form, to avoid making disclosure unobvious.It is right in this specification
The reference of " one embodiment ", " embodiment ", " another embodiment ", " various embodiments " refers to the tool described in conjunction with the embodiments
Body characteristicses, structure or characteristic are included at least one embodiment of the disclosure.In various positions in specification phrase "
In one embodiment " appearance be not necessarily all referring to identical embodiment, nor other embodiments it is mutually disjoint not
Same or alternative.In addition, various features are described as to show by some embodiments and can not be by other embodiments exhibitions
Show.Similarly, various requirement is described as being probably requirement for some embodiments but may not be the requirement of other embodiment.
Although it is following explanation comprising for illustrate many details, it is any it will be appreciated by those skilled in the art that
Modification and/or change for these details is in the scope of the present disclosure.Similarly, although many passes in the feature of the disclosure
In each other or with reference to describing each other, but those skilled in the art will be appreciated that many in these features can with it is other
Feature is provided independently.Therefore, in the case that the explanation of the disclosure is in the absence of general any loss to the disclosure,
And illustrated in the case where not applying limitation to the disclosure.In addition, relative term, " first " and " second " etc. exist
Any order, rising or importance are not indicated that herein, but for an element and another element to be distinguished.In addition, this
The limitation of term in text "one" and " one kind " amount of not indicating that, but expression refers at least one presence in project.
Referring now to Fig. 1-7, the example of combined cycle power plant (CCPP) 100 depict be incorporated in it is of the invention various
Example embodiment.In CCPP 100 as much as possible construction and arrangement, various related elements are to those skilled in the art
It is probably known, is not considered as to need to describe its all CONSTRUCTED SPECIFICATION and explanation herein for obtaining the reason of the disclosure
Solution.But think to be enough simply it is noted that as shown in Fig. 1 to 7, the CCPP 100 only show the various implementations with the disclosure
Example illustrates those relevant components.
Referring now to Fig. 1, CCPP 100 in order to optimize its efficiency and output and including at least one gas turbine 100, at least
One heat recovery steam generator (HRSG) 120, at least one steamturbine 130, at least one flash tank 140 and first and
Two supply lines 150,160.Generally, at least one gas turbine 110 is via HRSG 120 and at least one steamturbine
130 hot links, to produce power output.As perfect according to open, the gas turbine 110 is configured to produce gas with life
Success rate and then release exhaust.The gas turbine 110 may include gas turbine air pre-heating system 112, for preheating
Air and the air for supplying heating, for realizing the active combustion of fuel, to produce gas in gas turbine 110.This
Outside, the HRSG 120 is thermally coupled at least one gas turbine 110, to utilize the row from least one gas turbine 110
The heat energy that is extracted in gas produces steam.In addition, at least one steamturbine 130 is thermally coupled to HRSG 120, to utilize steaming
Vapour generates power output.
As described, HRSG 120 is heat exchanger, it produces steam for behaviour using the discarded exhaust of gas turbine 110
Make steamturbine.The hot optimum utilization obtained in HRSG 120 is to improve a main standard of the efficiency of CCPP 100.But
It is that, no matter obtaining the hot various routine techniques in HRSG 120, all there may be hot (especially HRSG 120 cold end 122
The heat at place) possibility that is not used, CCPP 100 of the invention is therefore including at least one flash tank 140 with optimal land productivity
With the heat at HRSG 120 cold end 122, to improve the efficiency of CCPP 100 and power output.In HRSG 120 as much as possible
Construction and arrangement in, various related elements are probably known to those skilled in the art, and think to be enough to pay attention to, such as
Shown in Fig. 1 to 7, those components relevant with the explanation of the various embodiments of the disclosure are only show in the HRSG 120.
As shown in figure 1, flash tank 140 is fluidly coupled at HRSG 120 cold end 122 via supply line 142, with from
Cold end 122 extracts the hot water not utilized.It may include flash valve 141 to control extraction.In one embodiment of the disclosure, CCPP
100 may include the feed-water preheating system 170 that is thermally coupled to the cold ends 122 of HRSG 120, to maintain the temperature of the feedwater at cold end 120
It is required that.Still in such an embodiment, flash tank 140 is fluidly coupled to the cold ends 122 of HRSG 120 by feed-water preheating system 170
Place, to extract the hot water not utilized of cold end 122 via feed-water preheating system 170.Recirculating system 172 can be assigned to feedwater
Pre-heating system 170 is for cooperating therewith.In addition, low pressure (LP) drum (drum) 126 is also operable to be bound to feed-water preheating
System 170.
Flash tank 140 has the hot water of extraction, and the hot water of the extraction can be from its guiding for sharp in the most optimal way
With to improve CCPP 100 efficiency.For said purpose, the CCPP 100 include the first and second supply lines 150,
160。
First supply pipe line 150 is configured to interconnect flash tank 140 and steamturbine 130, to realize flash-off steam to it
Supply.Flash-off steam from first supply pipe line 150 can inject to steamturbine 130, more specifically, being steamed to low pressure (LP)
Steam turbine injects, to produce the additional power in conventional CCPP circulations outside caused power, to improve CCPP 100
Efficiency and output, and supply back HRSG by travelling across condenser 135 by pump 137 via reflux pipeline 136 afterwards
120。
In addition, second supply pipe line 160 is configured to interconnect flash tank 140 and gas turbine air pre-heating system 112, with
Supply of the hot flash distillation condensate liquid to gas turbine air pre-heating system 112 in flash tank 140 is realized, with preheated air, with
Preheated air is supplied to gas turbine 110, for realizing accelerated combustion.Pump 162 can construct in second supply pipe line 160 with
Realize target.In addition, may return to reflux pipeline 136 from its cold condensate liquid and be re-supplied to HRSG 120 for
Operate again.Second supply pipe line 160 allows to provide the preheating of air supplied in gas turbine 110, so as to substitute preheating
The requirement of the external source of fuel-air, then improve CCPP 100 efficiency.In addition, the institute of the air preheat of the present invention
Offer is provided and eliminates the complicated pipe-line system such as required in conventional CCPP and heat exchanger arrangement so that the system it is simple and
Costeffective.
According to various embodiments, the CCPP 100 drawn in Fig. 1 can be changed into different factory's constructions.Fig. 2 to 7 is drawn
CCPP 100 various such modifications, and will be described herein in conjunction with Fig. 1.In Fig. 2 to 7, only with corresponding component
Those reference numbers together, which are inserted in, to be drawn at modification, and remaining part does not have label, to protrude various modifications, and
The component of all non-labels should be read from Fig. 1 or reference.
According to the first modification shown in fig. 2, CCPP 100 may include the first bypass part 180 with from second supply pipe
Line 160 optionally bypasses part or all of flash distillation condensate liquid, for getting around gas turbine air pre-heating system 112.
According to the second modification shown in figure 3, CCPP 100 may include the second bypass part 190 to be selected from cold end 122
Part or all of the hot water of extraction is bypassed to selecting property, for bypassing the confession of the hot water for the extraction gone in flash tank 140
Should.This is used as recirculating system, HRSG 120 condensate liquid is gone to for heating, to reach the minimum HRSG entrances temperature of requirement
Degree.As shown in figure 3, in this arrangement, the circulatory system 172 can be excluded.
According to the 3rd modification shown in Fig. 4, CCPP 100 may include at least one additional heating source 200, and it is fluidly
Flash tank 140 is connected, to be used in the additional hot water extraction for being supplied to flash tank 140.The additional heating source 200 may include from
The condensate liquid that carbon capture unit or district heating unit return.But without departing from the scope of the disclosure, additional heat
Source can be the other any additional heating sources being known in the art.
According to the 4th modification shown in Figure 5, CCPP 100 may include gas-preheating system 300, and it is configured to heat
The fuel of gas turbine 110 is supplied to, for active combustion.Gas-preheating system 300 is suitable to construction in second supply pipe
In line 160, the fuel of gas turbine 110 is supplied to preheat to utilize the heat of the flash distillation condensate liquid come self-heating.For example, at least
One heat exchanger (such as 310) can be configured to connect with the heat exchanger of second supply pipe line 160 320, for complete what is required
When temperature (being usually 150-300 DEG C) is not produced by the hot flash distillation condensate liquid of second supply pipe line 160, it is allowed to supply heat to fire
Preheated fuel gas at gas pre-heating system 300.
In another modification, as shown in fig. 6, CCPP 100 can with respect to one flash tank 140 include multiple flash tanks 140.
The plurality of flash tank 140 is suitable to work with cascade construction, the thermal source as the hot water from the cold ends 122 of HRSG 120, in difference
Flashed under pressure and then by steam turbine stage corresponding to the horizontal flash-off steam injection of different pressures.
In another modification, such as the 6th shown in Fig. 7, at least one heat exchanger 400 is suitable to be configured to the second supply
Pipeline 160.As indicated, at least one heat exchanger 400 is constructed in intermediate heat together with gas turbine air pre-heating system 112
Loop 420, for preheating the air supplied in gas turbine 110.
In CCPP 100 another modification, show such as Fig. 8 the 7th, at least one gas turbine 110 can exclude
Such as the gas turbine air pre-heating system 112 provided in the aforementioned embodiment.And in this embodiment, second supply pipe line 160
It is configured to the hot flash distillation condensate liquid from least one flash tank 140 is at least one to reflux pipeline 136 supplied to this
Heat recovery steam generator 120 is supplied to feed-water preheating system 170.Valve 141 can be configured to control each of hot water and condensate liquid
From supply.
The invention of the disclosure is favourable in various scopes.It provides the CCPP of improvement, and it can be in an optimal manner
Trap the heat in HRSG, the heat at HRSG cold ends that may be especially not used, to improve CCPP efficiency and output.This
Outside, CCPP convenient uses and economy with this modification.The disclosure it is various other the advantages of and feature from above detailed
Describe bright and appended claims in detail and become apparent.
Have pointed out the described above for illustrating and describe of the specific embodiment of the disclosure.They are not intended to be exhaustive
, or the disclosure is limited to disclosed precise forms, and it is apparent that according to teachings above, many modifications and variations are can
Can.Selection and description embodiment, best to explain the principle of the disclosure and its practical application, with so that other sheets
Art personnel can best utilize the disclosure and the various implementations of the various modifications with the particular use for being adapted to contemplate
Example.It should be appreciated that when environment can imply that or provide convenient, it is contemplated that various omissions and the displacement of equivalent, but these
It is intended to the spirit or scope of covering application or implementation without departing from the claim of the disclosure.
Claims (8)
1. a kind of combined cycle power plant (100), including：
At least one gas turbine (110), it is configured to produce gas to generate power and then release exhaust, the combustion gas
Turbine (110) is configured to receive the air of heating from gas turbine air pre-heating system (112), for allowing the effective of fuel
Burn to produce gas；
At least one heat recovery steam generator (120), it is thermally coupled at least one gas turbine (110), to utilize
Steam is produced from the heat energy of the exhaust extraction of at least one gas turbine (110)；
At least one steamturbine (130), it is thermally coupled at least one heat recovery steam generator (120), to utilize
The steam next life success rate as caused by least one heat recovery steam generator (120)；
At least one flash tank (140), it is fluidly connected to the cold end of at least one heat recovery steam generator (120)
(122) place, to extract hot water from the cold end (122)；
First supply pipe line (150), it is by least one flash tank (140) and at least one steamturbine (130)
Interconnection, to allow supply of the flash-off steam at least one steamturbine (130)；With
Second supply pipe line (160), it is by least one flash tank (140) and the gas turbine air pre-heating system
(112) interconnect, to allow supply of the flash distillation condensate liquid of heat to the gas turbine air pre-heating system (112).
2. combined cycle power plant (100) according to claim 1, it is characterised in that also including feed-water preheating system
(170), the feed-water preheating system (170) is thermally coupled to the cold end of at least one heat recovery steam generator (120)
(122), to maintain the temperature requirement of the feedwater at the cold end (122) place, wherein, extracted from the feed-water preheating system (170)
It can act as the feedwater of hot water.
3. combined cycle power plant (100) according to claim 1, it is characterised in that also including the first bypass part
(180), the first bypass part (180) optionally bypasses the flash distillation condensate liquid from the second supply pipe line (160)
Part or all, for around the gas turbine air pre-heating system (112).
4. combined cycle power plant (100) according to claim 1, it is characterised in that also including the second bypass part
(190), the second bypass part (190) optionally bypasses a part or complete for the hot water of extraction from the cold end (122)
Portion, for the supply for the hot water of extraction being bypassed at least one flash tank (140), and as recycling system
System, for heating the condensate liquid at least one heat recovery steam generator (120) place, to reach the minimum of requirement
Temperature.
5. combined cycle power plant (100) according to claim 1, it is characterised in that also including gas-preheating system
(300), the gas-preheating system (300) is configured to the fuel that heating is supplied at least one gas turbine (110)
For active combustion, wherein, the gas-preheating system (300) is suitable to construction in the second supply pipe line（160）In, with
Using the heat from the hot flash distillation condensate liquid fuel of at least one gas turbine (110) is supplied to preheat.
6. combined cycle power plant (100) according to claim 1, it is characterised in that at least one flash tank
(140) the multiple flash tanks for being suitable to include under different pressures level extract for hot water, and then by different pressures level
Steam turbine stage corresponding to flash-off steam injection.
7. combined cycle power plant (100) according to claim 6, it is characterised in that at least one steamturbine
(13) it is multistage steam turbine, wherein, the first supply pipe line (150) is configured to note the horizontal flash-off steam of different pressures
Enter corresponding steam turbine stage.
8. combined cycle power plant (100) according to claim 1, it is characterised in that also including at least one heat exchanger
(400), at least one heat exchanger (400) is suitable to be constructed to the second supply pipe line (160), wherein, described at least one
Individual heat exchanger (400) is constructed in the intermediate heat transfer loop (420) for going to the gas turbine air pre-heating system (112), with
For preheating the air of the supply at least one gas turbine (110).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13191037.4 | 2013-10-31 | ||
| EP13191037 | 2013-10-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104595031A CN104595031A (en) | 2015-05-06 |
| CN104595031B true CN104595031B (en) | 2018-02-09 |
Family
ID=
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|---|---|---|---|---|
| EP1921281B1 (en) * | 2006-11-13 | 2010-07-28 | Doosan Heavy Industries & Construction Co., Ltd. | Seawater desalinating apparatus using blowdown water of heat recovery steam generator |
| EP1584798B1 (en) * | 2004-04-01 | 2011-03-23 | Georg Dr. Beckmann | Method and apparatus for generating power and heat |
| CN102449288A (en) * | 2009-05-28 | 2012-05-09 | 西门子公司 | Intake air temperature control device and a method for operating an intake air temperature control device |
| EP2519717A2 (en) * | 2009-12-29 | 2012-11-07 | Ansaldo Energia S.p.A. | Combined-cycle plant for the production of electric and thermal energy and method for operating said plant |
| CN102852645A (en) * | 2011-06-29 | 2013-01-02 | 通用电气公司 | System for fuel gas moisturization and heating |
| CN103026010A (en) * | 2010-04-30 | 2013-04-03 | 西门子能量股份有限公司 | Energy recovery and steam supply for power augmentation in a combined cycle power generation system |
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1584798B1 (en) * | 2004-04-01 | 2011-03-23 | Georg Dr. Beckmann | Method and apparatus for generating power and heat |
| EP1921281B1 (en) * | 2006-11-13 | 2010-07-28 | Doosan Heavy Industries & Construction Co., Ltd. | Seawater desalinating apparatus using blowdown water of heat recovery steam generator |
| CN102449288A (en) * | 2009-05-28 | 2012-05-09 | 西门子公司 | Intake air temperature control device and a method for operating an intake air temperature control device |
| EP2519717A2 (en) * | 2009-12-29 | 2012-11-07 | Ansaldo Energia S.p.A. | Combined-cycle plant for the production of electric and thermal energy and method for operating said plant |
| CN103026010A (en) * | 2010-04-30 | 2013-04-03 | 西门子能量股份有限公司 | Energy recovery and steam supply for power augmentation in a combined cycle power generation system |
| CN102852645A (en) * | 2011-06-29 | 2013-01-02 | 通用电气公司 | System for fuel gas moisturization and heating |
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