CN203822467U - Indirect cooling cycle gas turbine using waste heat of low-pressure compressor for power generation - Google Patents
Indirect cooling cycle gas turbine using waste heat of low-pressure compressor for power generation Download PDFInfo
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- CN203822467U CN203822467U CN201420247555.1U CN201420247555U CN203822467U CN 203822467 U CN203822467 U CN 203822467U CN 201420247555 U CN201420247555 U CN 201420247555U CN 203822467 U CN203822467 U CN 203822467U
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- pressure compressor
- heat exchanger
- gas turbine
- combustion turbine
- cold cycle
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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
- Y02E20/14—Combined heat and power generation [CHP]
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Abstract
The utility model providesan indirect cooling cycle gas turbine using waste heat of a low-pressure compressor for power generation. An intercooler of the gas turbine is connected with anorganic rankine cycle power generation device which adopts a closed circulation line formed by connecting a turbine generator, an external heat exchanger, a liquid storage container, a fluid pump, an organic medium and a pipeline in series, a cooling medium outlet pipe of the intercooler is connected to an inlet of the turbine generator, an outlet pipeline of the turbine generator is connected with a coolant liquid inlet of the external heat exchanger, one heat exchange runner of a regeneration heat exchanger is connected onto an exhaust pipe of the gas turbine in series, and the other heat exchange runner of the regeneration heat exchanger is connected onto a pipeline between the intercooler and the turbine generator. According to the indirect cooling cycle gas turbine using the waste heat of the low-pressure compressor for power generation, inlet working medium temperature of a high-pressure compressor is reduced, compression work consumed in a compression process of a working medium is reduced, and the waste heat of the low-pressure compressor is used for power generation, so that the useful power of the whole indirect cooling cycle gas turbine is increased.
Description
technical field:
The utility model relates to waste heat power generation equipment field, be specifically related to a kind of utilize low pressure compressor cogeneration between cold cycle combustion turbine.
background technique:
Simple cycle gas turbine engine is made up of gas generator and the large parts of power turbine two, and it can be regarded as and can continuously produce the unit with certain pressure and temperature combustion gas.Conventionally, gas generator comprises three critical pieces such as gas compressor, firing chamber and gas turbine, and gas compressor is divided into again single-rotor compressor and many rotors gas compressor.In simple cycle gas turbine engine device, along with the progression of gas compressor increases, the pressure ratio of gas compressor and outlet temperature will be along with increases, and the compression work that working medium consumes in the time of compression process is also increased thereupon, decrease like this with regard to the efficiency that makes gas turbine installation.The compression work consuming when the compression process in order to reduce working medium, between low pressure compressor and high-pressure compressor, increase interstage cooler, carry out cooling to the compression working medium of low pressure compressor outlet, reduce the Temperature of Working of high-pressure compressor import, thereby the compression work that reduces high-pressure compressor, has obtained cold cycle combustion turbine between one thus.In existing cold cycle combustion turbine, according to the different pressure ratios of gas compressor, the Temperature of Working flowing out from low pressure compressor is also different, normally in 150 DEG C～220 DEG C temperature ranges, the cooling medium of cooled compressed working medium has water, glycol water conventionally, cooling medium is to carry out pressurizing circulation by fluid pump, has cooling system between to keep the normal circulation of cooling medium.Between cooling system formed by the outer cooler of fluid pump, liquid reservoir and machine.In a cooling system normal course of operation, aspirated from liquid reservoir by fluid pump and cooling medium is added and is sent in interstage cooler, working medium and cooling medium that from low pressure compressor, compression is flowed out carry out heat exchange, working medium after compression is cooled, and then flows in high-pressure compressor and continues to compress; And the temperature of cooling medium flows to after raising in the outer cooler of machine, undertaken again coolingly by air or cooling water, cooling medium flows back to again in liquid reservoir subsequently.In this process, the heat energy that the compression working medium flowing out from low pressure compressor has is slatterned in vain.
model utility content:
The task of the utility model patent be to provide a kind of utilize low pressure compressor cogeneration between cold cycle combustion turbine, it is that a cold cycle combustion turbine and organic Rankine circulation electric generating apparatus are combined, the waste heat that utilizes organic Rankine circulation to reclaim low pressure compressor generates electricity, so not only reduce the import Temperature of Working of high-pressure compressor, reduce the compression work that working medium consumes in the time of compression process, but also improved the available power of whole cold cycle combustion turbine.
The utility model is to solve the problems of the technologies described above the technological scheme of taking: utilize cold cycle combustion turbine between low pressure compressor cogeneration, cold cycle combustion turbine between comprising, between the interstage cooler of cold cycle combustion turbine be connected with organic Rankine circulation electric generating apparatus, organic Rankine circulation electric generating apparatus is by turbogenerator, machine external heat exchanger, liquid reservoir, fluid pump, organic media and pipeline are composed in series closed circulation loop, the cooling medium outer pipe of interstage cooler is connected to turbogenerator import, the cooling liquid inlet of the export pipeline junctor external heat exchanger of turbogenerator.
Further, be connected in series Recuperative heat exchanger Yi road heat exchange runner on the outlet pipe of a cold cycle combustion turbine, another heat exchange runner of Recuperative heat exchanger is serially connected on the pipeline between interstage cooler and turbogenerator.
The utlity model has following beneficial effect: owing to adopting technique scheme, realized utilize low pressure compressor cogeneration between cold cycle combustion turbine, it not only reduces the import Temperature of Working of high-pressure compressor, reduce the compression work that working medium consumes in the time of compression process, but also utilize low pressure compressor waste heat to generate electricity, thereby improve the available power of whole cold cycle combustion turbine device.
brief description of the drawings:
Fig. 1 is the fundamental diagram of existing cold cycle combustion turbine;
Fig. 2 utilizes the fundamental diagram of cold cycle combustion turbine between low pressure compressor cogeneration;
Fig. 3 another kind utilizes the fundamental diagram of cold cycle combustion turbine between low pressure compressor cogeneration.
Arrow represents flow direction
Cold cycle combustion turbine between 1-in figure, 2-interstage cooler, 3-machine external heat exchanger, 4-liquid reservoir, 5-organic media, 6-fluid pump, 7-turbogenerator, 8-Recuperative heat exchanger, 9-outlet pipe.
embodiment:
Below in conjunction with accompanying drawing, the utility model is described in further detail:
By Fig. 1 in conjunction with Fig. 2, shown in Fig. 3, utilize low pressure compressor cogeneration between cold cycle combustion turbine, cold cycle combustion turbine 1 between comprising, between the interstage cooler of cold cycle combustion turbine be connected with organic Rankine circulation electric generating apparatus, organic Rankine circulation electric generating apparatus is by turbogenerator 7, machine external heat exchanger 3, liquid reservoir 4, fluid pump 6, organic media 5 and pipeline are composed in series closed circulation loop, the cooling medium outer pipe of interstage cooler 2 is connected to turbogenerator 7 imports, the cooling liquid inlet of the export pipeline junctor external heat exchanger 3 of turbogenerator 7.
Further, on an outlet pipe of cold cycle combustion turbine 19, be connected in series Recuperative heat exchanger 8, the exhaust of gas turbine is Recuperative heat exchanger 8 Nei mono-road heat exchange runners, and another heat exchange runner of Recuperative heat exchanger 8 is serially connected on the pipeline between interstage cooler 2 and turbogenerator 7.
Fig. 1 is the fundamental diagram of existing cold cycle combustion turbine, and a cold cycle combustion turbine is made up of low pressure compressor, high-pressure compressor, firing chamber, gas turbine, power turbine and interstage cooler 2, is furnished with an inner room cooling system simultaneously.Working medium enters in low pressure compressor, makes working medium have certain pressure and temperature through overcompression, flows into subsequently in interstage cooler 2, and carries out heat exchange with cooling medium 5, and cooled working medium flows in high-pressure compressor, again compresses; And a cooling system is made up of liquid reservoir 4, machine external heat exchanger 3 and fluid pump 6 etc., taking water, glycol water as cooling medium, the cooling medium flowing out from liquid reservoir 4, through fluid pump, 6 pressurizations are sent in interstage cooler 2, working medium at this and after compressing is carried out heat exchange, flows in the outer cooler 2 of machine after cooling medium is heated, is undertaken cooling by air or water, make cooling medium be cooled to liquid state, finally flow back to 4 li of liquid reservoirs.
Fig. 2 utilizes the fundamental diagram of cold cycle combustion turbine between low pressure compressor cogeneration, in the structure of existing cold cycle combustion turbine, and cooling system between replacing with organic Rankine circulation electric generating apparatus.Working medium enters in low pressure compressor, after overcompression, working medium has certain pressure and temperature, flows into subsequently in interstage cooler 2, carries out heat exchange in 2 li of working medium of interstage cooler and organic media, working medium after being cooled flows into high-pressure compressor, again compresses, organic Rankine circulation electric generating apparatus is by liquid reservoir 4, machine external heat exchanger 3, fluid pump 6, turbogenerator 7, organic media 5 and pipeline composition, the liquid organic media 5 flowing out from liquid reservoir 4, through fluid pump, 6 pressurizations are sent in interstage cooler 2, working medium at this and after compressing is carried out heat exchange, make organic media 5 become gaseous state by liquid state, directly enter in turbine engine and expand and do work, the generating of driving generator, the organic media 5 of discharging from turbine engine flows into machine external heat exchanger 3, carried out again cooling with air or water, make the cooling rear liquefy of organic media 5, flow back to again 4 li of liquid reservoirs.
Fig. 3 another kind utilizes the fundamental diagram of cold cycle combustion turbine device between low pressure compressor cogeneration, make organic media 5 become gaseous state by liquid state after interstage cooler heat exchange, enter again in Recuperative heat exchanger 8 and carry out heat exchange with combustion turbine exhaustion, make organic media 5 be heated into again high temperature dry steam, directly enter in turbine engine and expand and do work, drive generator to generate electricity, the organic media 5 flowing out from turbine engine flows into machine external heat exchanger 3, undertaken again cooling by air or water, make the cooling rear liquefy of organic media 5, flow back to again 4 li of liquid reservoirs.
Owing to adopting organic Rankine circulation electric generating apparatus to replace existing cooling system, so not only reduce the temperature of high-pressure compressor import working medium, reduce the compression work consuming when working medium is compressed in high-pressure compressor, but also utilize the waste heat of low pressure compressor to generate electricity, thereby improve the available power of whole cold cycle combustion turbine.
Claims (2)
- One kind utilize low pressure compressor cogeneration between cold cycle combustion turbine, cold cycle combustion turbine (1) between comprising, it is characterized in that: the interstage cooler (2) of a cold cycle combustion turbine (1) is connected with organic Rankine circulation electric generating apparatus, organic Rankine circulation electric generating apparatus is by turbogenerator (7), machine external heat exchanger (3), liquid reservoir (4), fluid pump (6), organic media (5) and pipeline are composed in series closed circulation loop, the cooling medium outer pipe of interstage cooler (2) is connected to turbogenerator (7) import, the cooling liquid inlet of the export pipeline junctor external heat exchanger (3) of turbogenerator (7).
- According to claim 1 utilize low pressure compressor cogeneration between cold cycle combustion turbine, it is characterized in that: at outlet pipe (9) the upper serial connection Recuperative heat exchanger (8) of a cold cycle combustion turbine (1), the exhaust of gas turbine is Recuperative heat exchanger (8) Nei mono-road heat exchange runner, and another heat exchange runner of Recuperative heat exchanger (8) is serially connected on the pipeline between interstage cooler (2) and turbogenerator (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420247555.1U CN203822467U (en) | 2014-05-15 | 2014-05-15 | Indirect cooling cycle gas turbine using waste heat of low-pressure compressor for power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420247555.1U CN203822467U (en) | 2014-05-15 | 2014-05-15 | Indirect cooling cycle gas turbine using waste heat of low-pressure compressor for power generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203822467U true CN203822467U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420247555.1U Expired - Fee Related CN203822467U (en) | 2014-05-15 | 2014-05-15 | Indirect cooling cycle gas turbine using waste heat of low-pressure compressor for power generation |
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| Country | Link |
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| CN (1) | CN203822467U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953447A (en) * | 2014-05-15 | 2014-07-30 | 中国船舶重工集团公司第七�三研究所 | Intercooled cycle gas turbine capable of generating electricity by utilizing waste heat of low-pressure gas compressor |
| WO2017144761A1 (en) * | 2016-02-26 | 2017-08-31 | Desco Sanchez Alejandro | Gas turbine and associated operation method with two compression stages and intermediate cooling by a refrigerating machine |
-
2014
- 2014-05-15 CN CN201420247555.1U patent/CN203822467U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953447A (en) * | 2014-05-15 | 2014-07-30 | 中国船舶重工集团公司第七�三研究所 | Intercooled cycle gas turbine capable of generating electricity by utilizing waste heat of low-pressure gas compressor |
| WO2017144761A1 (en) * | 2016-02-26 | 2017-08-31 | Desco Sanchez Alejandro | Gas turbine and associated operation method with two compression stages and intermediate cooling by a refrigerating machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20150515 |
|
| EXPY | Termination of patent right or utility model |