CN102877946A - Back heating type electric drive multi-compressor main pipeline combustion gas turbine - Google Patents
Back heating type electric drive multi-compressor main pipeline combustion gas turbine Download PDFInfo
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- CN102877946A CN102877946A CN2012104056721A CN201210405672A CN102877946A CN 102877946 A CN102877946 A CN 102877946A CN 2012104056721 A CN2012104056721 A CN 2012104056721A CN 201210405672 A CN201210405672 A CN 201210405672A CN 102877946 A CN102877946 A CN 102877946A
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Abstract
The invention relates to a back heating type electric drive multi-compressor main pipeline combustion gas turbine, which is characterized by comprising more than two groups of compressors, an outlet main pipeline, a combustion chamber, a turbine and a load, wherein an input shaft of each compressor is respectively connected with a compressor motor through a coupler; an air outlet of each compressor is respectively connected with an air inlet of the outlet main pipeline; an air outlet of the outlet main pipeline is connected with an air inlet of the combustion chamber; an outlet of the combustion chamber is connected with a gas inlet of the turbine; an output shaft of the turbine is connected with the load through a coupler; and a flue gas outlet of the turbine is connected with a flue gas inlet of the outlet main pipeline. According to the back heating type electric drive multi-compressor main pipeline combustion gas turbine, a back heating device is combined with the compressor air main pipeline, so that the air temperature after the combustion gas turbine unit compressor is improved on the basis without increasing system occupation and investment, the usage amount of fuels under same power is reduced, the economical performance of a combustion gas turbine unit is further improved, and the existing combustion gas turbine can be operated high-efficiently within a broad load variation range.
Description
Technical field
The present invention relates to a kind of gas turbine, particularly relate to a kind of regenerative heat type electricity and drive the female pipe of multiple pressure mechanism of qi gas turbine.
Background technique
For existing close coupled type gas turbine, the driving force of its gas compressor is provided by turbine.Gas compressor, firing chamber, turbine integral body pass to power equipment or generator by coupling with air horsepower as power source.For ship power or generating, the operating mode of gas turbine also changes thereupon in the time of its load variations.And for the gas compressor in the gas turbine, its Study on Variable Condition Features is more violent, and efficient also decreases when low operating mode operation, and more easily surging phenomenon occurs.Simultaneously, at present existing practical application in existing gas turbine of recuperating device, but it is as an equipment independently, and function is too single.
Summary of the invention
The present invention can't keep the problem of higher operational efficiency in wider load variations scope in order to solve existing gas turbine, provide a kind of regenerative heat type electricity to drive the female pipe of multiple pressure mechanism of qi gas turbine, recuperating device and the female duct ligation of gas compressor air are closed, on the basis of the occupation of land of not increase system and investment, improved the air temperature behind the gas turbine group gas compressor, the fuel use amount reduces under identical power, and then has further improved the Economy of gas turbine group.
The technical solution used in the present invention is: a kind of regenerative heat type electricity drives the female pipe of multiple pressure mechanism of qi gas turbine, it is characterized in that comprising two groups of above gas compressors and exports female pipe, firing chamber, turbine and load; Each gas compressor input shaft is connected with respectively the gas compressor motor by coupling; Export female pipe be provided with air inlet, air outlet slit and smoke inlet be connected each gas compressor of smoke outlet air outlet slit respectively with the outlet female pipe air inlet be connected, the air outlet slit that exports female pipe is connected with the air inlet of firing chamber, the outlet of firing chamber is connected with the fuel gas inlet of turbine, and the output shaft of turbine is connected with load by coupling; The smoke outlet of turbine is connected with the smoke inlet of the female pipe of outlet.
Be provided with the air channel that hot good conductor is made between the air inlet of described cold female pipe and air outlet slit, be provided with outside the air channel and be provided with the housing that is connected with smoke outlet with smoke inlet outside the air channel.
The present invention closes recuperating device and the female duct ligation of gas compressor air, on the basis of the occupation of land of not increase system and investment, improved the air temperature behind the gas turbine group gas compressor, the fuel use amount reduces under identical power, and then further improved the Economy of gas turbine group, make existing gas turbine can in wider load variations scope, keep the high rate operation.
Description of drawings
Fig. 1 is embodiment of the invention structural representation.
Number in the figure title: 1,2 gas compressor motor; 3,4 gas compressors; The female pipe of 5 outlets; 6 firing chambers; 7 turbines; 8 loads.
A, B gas compressor air inlet; C firing chamber fuel inlet.
Specific embodiment
The embodiment of the invention as shown in Figure 1, this regenerative heat type electricity drives the female pipe of multiple pressure mechanism of qi gas turbine and is provided with two groups of gas compressors 3,4, the group number of its concrete gas compressor is unrestricted during enforcement can arrange according to actual needs, the present embodiment is minimum group several two groups; Also be provided with the female pipe 5 of outlet, firing chamber 6, turbine 7 and load 8; Each gas compressor 3,4 input shafts are connected with respectively gas compressor motor 1,2 by coupling; The female pipe 5 of outlet is provided with air inlet, air outlet slit and smoke inlet, smoke outlet; Each gas compressor 3,4 air outlet slit are connected with the air inlet of the female pipe 5 of outlet respectively, the air outlet slit of the female pipe 5 of outlet is connected with the air inlet of firing chamber 6, the outlet of firing chamber 6 is connected with the fuel gas inlet of turbine 7, the output shaft of turbine 7 is connected with load 8 by coupling, and load 8 is generator or propeller cavitation; Be provided with the air channel that hot good conductor is made between the air inlet of the female pipe 5 of outlet and air outlet slit, be provided with the housing that is connected with smoke outlet with smoke inlet outside the air channel, the smoke outlet of turbine 7 is connected with the smoke inlet of the female pipe 5 of outlet.The female pipe of backheat is a kind of heat exchanger with female pipe, and commonly used arriving is a kind of double-work medium surface-type heat exchanger in thermodynamic system.
Working procedure of the present invention is: its gas compressor separately of the motor drives of many platform independent, and air enters gas compressor by gas compressor air inlet A, B, and the high-pressure air that produces after the compression enters that the female pipe of backheat mixes and by the flue gas that discharges behind the turbine turbine; Air after the heating enters firing chamber and the fuel mix burning that is entered by firing chamber fuel inlet C, the high-temperature fuel gas that forms enters the acting of expanding in the turbine, the air horsepower of turbine output passes to load by coupling, and the waste heat flue gas that discharges behind the turbine enters the pressurized air behind the female pipe heating of the backheat gas compressor.Because gas compressor is driven by motor independently, but the rotating speed free adjustment of gas compressor.The load of combustion machine has determined the number of units of enabling of gas compressor.Improved the operational efficiency of gas compressor under the prerequisite that has satisfied the load wide variation, regenerator has further been saved fuel consumption simultaneously, so that Economy has also obtained certain raising on the basis of guaranteed performance.
Claims (2)
1. a regenerative heat type electricity drives the female pipe of multiple pressure mechanism of qi gas turbine, it is characterized in that comprising two groups of above gas compressors (3,4) and the female pipe of outlet (5), firing chamber (6), turbine (7) and load (8); Each gas compressor (3,4) input shaft is connected with respectively gas compressor motor (1,2) by coupling; The female pipe of outlet (5) is provided with air inlet, air outlet slit and smoke inlet, smoke outlet; Each gas compressor (3,4) air outlet slit is connected with the air inlet of the female pipe of outlet (5) respectively, the air outlet slit of the female pipe of outlet (5) is connected with the air inlet of firing chamber (6), the outlet of firing chamber (6) is connected with the fuel gas inlet of turbine (7), and the output shaft of turbine (7) is connected with load (8) by coupling; The smoke outlet of turbine (7) is connected with the smoke inlet of the female pipe of outlet (5).
2. described regenerative heat type electricity drives the female pipe of multiple pressure mechanism of qi gas turbine according to claim 1, it is characterized in that being provided with between the air inlet of the female pipe of described outlet (5) and air outlet slit the air channel that the good conductor of heat is made, be provided with the housing that is connected with smoke outlet with smoke inlet outside the air channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104056721A CN102877946A (en) | 2012-10-23 | 2012-10-23 | Back heating type electric drive multi-compressor main pipeline combustion gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104056721A CN102877946A (en) | 2012-10-23 | 2012-10-23 | Back heating type electric drive multi-compressor main pipeline combustion gas turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102877946A true CN102877946A (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2012104056721A Pending CN102877946A (en) | 2012-10-23 | 2012-10-23 | Back heating type electric drive multi-compressor main pipeline combustion gas turbine |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1328617A (en) * | 1998-09-25 | 2001-12-26 | Alm开发公司 | Turbomachine |
| US20020029559A1 (en) * | 2000-08-03 | 2002-03-14 | Shigemi Mandai | Gas turbine system |
| CN101078369A (en) * | 2007-06-29 | 2007-11-28 | 中国船舶重工集团公司第七○三研究所 | Wet compression-regenerative cycle combustion turbine |
| CN101503975A (en) * | 2009-03-18 | 2009-08-12 | 哈尔滨工业大学 | Main pipe type micro turbine group of dual-air compressor |
| CN102072023A (en) * | 2010-12-07 | 2011-05-25 | 四川达宇特种车辆制造厂 | Primary surface type regenerator |
| CN202811081U (en) * | 2012-10-23 | 2013-03-20 | 中国船舶重工集团公司第七�三研究所 | Recuperative electric drive gas turbine with multiple gas compressors and main pipes |
-
2012
- 2012-10-23 CN CN2012104056721A patent/CN102877946A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1328617A (en) * | 1998-09-25 | 2001-12-26 | Alm开发公司 | Turbomachine |
| US20020029559A1 (en) * | 2000-08-03 | 2002-03-14 | Shigemi Mandai | Gas turbine system |
| CN101078369A (en) * | 2007-06-29 | 2007-11-28 | 中国船舶重工集团公司第七○三研究所 | Wet compression-regenerative cycle combustion turbine |
| CN101503975A (en) * | 2009-03-18 | 2009-08-12 | 哈尔滨工业大学 | Main pipe type micro turbine group of dual-air compressor |
| CN102072023A (en) * | 2010-12-07 | 2011-05-25 | 四川达宇特种车辆制造厂 | Primary surface type regenerator |
| CN202811081U (en) * | 2012-10-23 | 2013-03-20 | 中国船舶重工集团公司第七�三研究所 | Recuperative electric drive gas turbine with multiple gas compressors and main pipes |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20130116 |