CN205858430U - A kind of combustion engine CO being easy to startup optimization2association system - Google Patents
A kind of combustion engine CO being easy to startup optimization2association system Download PDFInfo
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- CN205858430U CN205858430U CN201620738442.0U CN201620738442U CN205858430U CN 205858430 U CN205858430 U CN 205858430U CN 201620738442 U CN201620738442 U CN 201620738442U CN 205858430 U CN205858430 U CN 205858430U
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Abstract
The utility model discloses a kind of combustion engine CO being easy to startup optimization2Association system, including gas turbine, gas electricity generator and CO2Compressor, wherein, gas turbine, gas electricity generator and CO2Compressor is coaxially arranged, and this system is capable of CO2The startup of compressor, avoids using heavy-duty motor simultaneously.
Description
Technical field
This utility model belongs to energy-conserving and environment-protective field, relates to a kind of combustion engine CO being easy to startup optimization2Association system.
Background technology
New forms of energy, distributed energy exploitation of increasing concern, China Gas generating be important distributed energy
Form, of a relatively high in various new forms of energy Middle combustion engine efficiency, control flexible simultaneously, can be as the complementation of other new forms of energy
Utilize means, be also one of the means of electrical network regulation.Gas turbine as Ground Power Generation System generally requires and waste heat recovery
System combines to improve its efficiency of energy utilization.Current UTILIZATION OF VESIDUAL HEAT IN mainly uses traditional steam boiler and steam turbine, for
The research improving its thermal efficiency further never stops.Wherein supercritical Brayton cycle is a kind of circulation shape having superiority most
Formula.It is big that Novel supercritical working medium (carbon dioxide, helium and nitrous oxide etc.) has energy density, and heat transfer efficiency is high, system letter
The innate advantages such as list, can be greatly improved heat to power output efficiency, reduce equipment volume, have the highest economy.And dioxy
Change working medium hot physical property within the temperature range of current waste heat recovery field such as carbon sufficiently stable, there is not thermal decomposition problem, completely
May be used for high-temperature part heat recovery.But the compressor wasted work of supercritical carbon dioxide Brayton cycle is relatively big, according to electricity
Motivation is operated alone, and himself needs to expend huge electric energy, and power of motor is relatively big, adds cost and too increases operation tune
Joint difficulty；According to the arrangement of similar combustion engine, by CO2Compressor and CO2Turbine is coaxially arranged, due to supercritical titanium dioxide
Carbon Brayton cycle is closed cycle, and its thermal source is to obtain heat by heat exchanger heat exchange, and the time that starts can not be too fast, then open
Relatively high power motor is need nonetheless remain for time dynamic.
Utility model content
The purpose of this utility model is the shortcoming overcoming above-mentioned prior art, it is provided that a kind of combustion being easy to startup optimization
Machine CO2Association system, this system is capable of CO2The startup of compressor, avoids using heavy-duty motor simultaneously.
For reaching above-mentioned purpose, combustion engine CO being easy to startup optimization described in the utility model2Association system includes combustion gas
Turbine, gas electricity generator and CO2Compressor, wherein, gas turbine, gas electricity generator and CO2Compressor is coaxially arranged.
Also include CO2Turbine, CO2Electromotor, afterheat heat exchanger and regenerator, the exhanst gas outlet of gas turbine changes with waste heat
The cold side entrance of hot device is connected, the cold side outlet of afterheat heat exchanger and CO2The CO of turbine2Working medium entrance is connected, CO2
The CO of turbine2Sender property outlet is connected with the cold side entrance of regenerator, the cold side outlet of regenerator and CO2The CO of compressor2
Working medium entrance is connected, CO2The CO of compressor2Sender property outlet is connected with the heat absorbing side entrance of regenerator, the heat absorbing side of regenerator
Outlet is connected with the heat absorbing side entrance of afterheat heat exchanger.
The cold side of regenerator exports pre-cooled device and CO2The CO of compressor2Working medium entrance is connected.
This utility model has the advantages that
Combustion engine CO being easy to startup optimization described in the utility model2Association system include coaxially arranged gas turbine,
Gas electricity generator and CO2Compressor, after gas turbine startup optimization, gas turbine drives CO2Compressor compresses CO2Working medium, it is achieved
CO2The startup of compressor, avoids using high-power start motor in supercritical carbon dioxide system, it is to avoid CO simultaneously2Compression
The power consumption that machine is huge when starting, shortens the startup time of supercritical carbon dioxide Brayton Cycle system, simultaneously because combustion gas
Stable, the flexible adjustment of turbine, so that CO2The stable operation of compressor and flexible adjustment, and then ensure supercritical two
The flow of carbonoxide system and stablizing and flexible adjustment of pressure.
CO simultaneously2Turbine and CO2Compressor is arranged apart, and both do not interfere with each other, so that whole carbon dioxide recycle system
The regulating working conditions degree of freedom of system is greatly increased.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Wherein, 1 is CO2Compressor, 2 be gas electricity generator, 3 be gas turbine, 4 for CO2Turbine, 5 it is CO2Electromotor, 6
For afterheat heat exchanger, 7 be regenerator, 8 for precooler.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in further detail:
With reference to Fig. 1, combustion engine CO being easy to startup optimization described in the utility model2Association system includes gas turbine 3, combustion
Gas electromotor 2 and CO2Compressor 1, wherein, gas turbine 3, gas electricity generator 2 and CO2Compressor 1 is coaxially arranged.
This utility model also includes CO2Turbine 4, CO2Electromotor 5, afterheat heat exchanger 6 and regenerator 7, the cigarette of gas turbine 3
Gas outlet is connected with the cold side entrance of afterheat heat exchanger 6, the cold side outlet of afterheat heat exchanger 6 and CO2The CO of turbine 42Work
Matter entrance is connected, CO2The CO of turbine 42Sender property outlet is connected with the cold side entrance of regenerator 7, the cold side of regenerator 7
Outlet and CO2The CO of compressor 12Working medium entrance is connected, CO2The CO of compressor 12Sender property outlet enters with the heat absorbing side of regenerator 7
Mouth is connected, and the heat absorbing side outlet of regenerator 7 is connected with the heat absorbing side entrance of afterheat heat exchanger 6, wherein, and putting of regenerator 7
The pre-cooled device of hot side outlet 8 and CO2The CO of compressor 12Working medium entrance is connected.
Specific works process of the present utility model is:
CO2Compressor 1 is driven by gas turbine 3, CO2Compressor 1 start-up course is identical with gas turbine 3 start-up course,
CO after gas turbine 3 startup optimization2Compressor 1 runs simultaneously, drives CO2Working fluid flow, quickly realizes CO2Working medium is at waste heat
Heat exchange in heat exchanger 6, can start CO afterwards2Turbine 4 generates electricity；Due to CO2Turbine 4 and CO2Compressor 1 is arranged apart, and both are not
Interfere with each other, its power, rotating speed, flow all can each self-regulation, during variable working condition, CO2Compressor 1 is controlled by gas turbine 3 system,
And CO2Turbine 4 then individually can be controlled by bypass；
Discharging after the cold side heat release of the flue gas entrance afterheat heat exchanger 6 of gas turbine 3 output, afterheat heat exchanger 6 absorbs heat
The CO of side output2Working medium enters CO2Turbine 4, CO2The CO of turbine 4 output2Working medium successively through regenerator 7 cold side heat release and
CO is entered back into after pre-cooling in precooler 82Compressor 1 is compressed, through CO2CO after compressor 1 compression2Working medium is being returned
Hot device 7 enters back into after heat absorption in the heat absorbing side of afterheat heat exchanger 6 and absorb heat.
Above-described detailed description of the invention, is entered the purpose of this utility model, technical scheme and beneficial effect
One step describes in detail, be it should be understood that and the foregoing is only detailed description of the invention of the present utility model, is not used to limit
This utility model processed, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. done, all
Within protection domain of the present utility model should be included in.
Claims (3)
1. combustion engine CO being easy to startup optimization2Association system, it is characterised in that include gas turbine (3), gas electricity generator
And CO (2)2Compressor (1), wherein, gas turbine (3), gas electricity generator (2) and CO2Compressor (1) is coaxially arranged.
Combustion engine CO being easy to startup optimization the most according to claim 12Association system, it is characterised in that also include CO2Thoroughly
Flat (4), CO2Electromotor (5), afterheat heat exchanger (6) and regenerator (7), the exhanst gas outlet of gas turbine (3) and afterheat heat exchanger
(6) cold side entrance is connected, the cold side outlet of afterheat heat exchanger (6) and CO2The CO of turbine (4)2Working medium entrance is connected
Logical, CO2The CO of turbine (4)2Sender property outlet is connected with the cold side entrance of regenerator (7), the cold side outlet of regenerator (7)
With CO2The CO of compressor (1)2Working medium entrance is connected, CO2The CO of compressor (1)2Sender property outlet and the heat absorbing side of regenerator (7)
Entrance is connected, and the heat absorbing side outlet of regenerator (7) is connected with the heat absorbing side entrance of afterheat heat exchanger (6).
Combustion engine CO being easy to startup optimization the most according to claim 12Association system, it is characterised in that regenerator (7)
Cold side exports pre-cooled device (8) and CO2The CO of compressor (1)2Working medium entrance is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620738442.0U CN205858430U (en) | 2016-07-13 | 2016-07-13 | A kind of combustion engine CO being easy to startup optimization2association system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620738442.0U CN205858430U (en) | 2016-07-13 | 2016-07-13 | A kind of combustion engine CO being easy to startup optimization2association system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205858430U true CN205858430U (en) | 2017-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620738442.0U Active CN205858430U (en) | 2016-07-13 | 2016-07-13 | A kind of combustion engine CO being easy to startup optimization2association system |
Country Status (1)
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| CN (1) | CN205858430U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150580A (en) * | 2016-07-13 | 2016-11-23 | 西安热工研究院有限公司 | Supercritical carbon dioxide circulates the layout and startup optimization mode being combined with combustion engine |
-
2016
- 2016-07-13 CN CN201620738442.0U patent/CN205858430U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150580A (en) * | 2016-07-13 | 2016-11-23 | 西安热工研究院有限公司 | Supercritical carbon dioxide circulates the layout and startup optimization mode being combined with combustion engine |
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