CN101493043A - Yao type III low-grade gas externally heating type turbine engine - Google Patents
Yao type III low-grade gas externally heating type turbine engine Download PDFInfo
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- CN101493043A CN101493043A CNA2008100331390A CN200810033139A CN101493043A CN 101493043 A CN101493043 A CN 101493043A CN A2008100331390 A CNA2008100331390 A CN A2008100331390A CN 200810033139 A CN200810033139 A CN 200810033139A CN 101493043 A CN101493043 A CN 101493043A
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Abstract
A Yao type-3 turbine engine and a special combustion system form a Yao type-3 low grade fuel gas externally heated turbine engine. The turbine engine is composed of a two-level turbine, a turbine shaft, a booster pump wheel and an expansion chamber shell. An air inlet support is arranged at the lower part of the expansion chamber shell, and the upper part of the air inlet is provided with a two-level booster pump wheel fixedly arranged on a first turbine shaft. The special combustion system is composed of a gas storage tank, an anti backfire device, an air-fuel delivery ratio adjuster, a gas booster and a combustion chamber with electric heating wire mesh; an outlet of the combustion system is communicated with the lower end of the expansion chamber shell of a spiral casing turbine engine or is communicated with a heat exchange turbine engine connected with a low thermal resistance of the expansion chamber shell; the hot air generated in the special combustion system heats up and expands gas inside the expansion chamber shell and is converted into high grade mechanical energy and output. In the invention, harmful gases generated in the process of mining and refining by enterprises such as coal mines and oil fields and the like are converted into output power or electric energy with very low cost, thus not only eliminating pollution but also saving precious energy.
Description
Affiliated technical field
The present invention relates to the Yao type III low-grade gas externally heating type turbogenerator.
Background technique
Low-grade fuel, the present invention only is meant certain inflammable gas or multiple inflammable gas, mix with other gas, and shared ratio is very little, and is little to having lost commercial application value, so low-grade fuel is thin, dispersion, unsettled.Low-grade fuel generally is difficult to light, even light, also can auto extinguishing: even sustained combustion, temperature be also very low.In exploitation and extractive process,, can produce atmospheric pollution in enterprises such as colliery, oil fields, in addition purified treatment consuming cost again if these low-grade fuels directly are discharged in the atmosphere.
Summary of the invention
The objective of the invention is to provide the Yao type III low-grade gas externally heating type turbogenerator.
The present invention solves the technological scheme that its technical problem takes: form a Yao type III low-grade gas externally heating type turbogenerator with Yao's formula three type turbogenerators and special kind firing system.Low-grade gas comprises thin inflammable gas that produces in the oilfield exploitation extractive process of colliery and composition thereof.Yao's formula three type turbogenerators are made up of two-stage turbine, two turbine shafts, booster pump wheel and expansion chamber housings.First order turbine is connected with ring gear with booster pump wheel: second level turbine is connected with planet carrier: be evenly equipped with three planet wheels on the planet carrier: ring gear, planet carrier, three planet wheels and sun gear constitute the planetary power speed increaser that confluxes, and sun gear connects turbogenerator as the conflux output terminal of speed increaser of planetary power.The special kind firing system is made up of gas holder, backfire controller, air fuel ratio regulator, gas booster and heating wire net firing chamber.Adopt the outlet of special kind firing system to be connected with expansion chamber housing lower end, being shaped on spiral on the expansion chamber housing rises and cross section diminishing semicircular shell hot gas runner, enter the expansion chamber housing by this spiral shell shell hot gas runner and convert the output of high-grade mechanical energy to from the hot gas of special kind firing system ejection: perhaps adopt the outlet of special kind firing system to be connected with the heat exchanger that is connected with expansion chamber housing low thermal resistance, the hot gas that sprays from the special kind firing system makes the gas heating expansion in the expansion chamber and converts the output of high-grade mechanical energy to by heat exchanger.
As to improvement of the technical scheme: adopt and the integrally manufactured housing heat exchanger of Yao's formula three type turbogenerator expansion chamber housings: adopt two-stage turbine to have two planetary power that opposite input ends of sense of rotation and an output terminal be installed with one heart speed increaser that confluxes and form power and conflux by one: be provided with above the booster pump wheel bell cowling and/or first order turbine below the bell cowling is set: and to expansion chamber housing employing heat insulation layer.
Beneficial effect of the present invention comprises: enterprises such as colliery, oil field these harmful gases of producing in exploitation and extractive process can be converted into outputting power or electric energy with the cheap the manner that becomes, can separate depollution, save the valuable energy again, had high economic value.Utilize the working method of housing heat exchanger standard, owing to do not re-use the forced gas supercharging technology, hot gas directly is circulated in the expansion chamber of certain low pressure, only need uses common ventilating fan just can finish, so can reduce the huge energy consumption of motor self greatly.This kind working form also is fit to the used heat of thermoelectricity plant, cement plant, Iron And Steel Plant, various stoves and the gas converting heat in underground heat and the turbogenerator very much, and converts it into the output of high-grade mechanical energy.
The special kind firing system combines with low-grade spiral shell shell or heat exchange-type turbogenerator, have five kinds of different structures and ten kinds of compound modes, Yao type III low-grade gas externally heating type turbogenerator of the present invention adopts booster pump wheel can make the gas in the expansion chamber obtain certain pressure, thereby makes the efficient of turbogenerator get a promotion.Adopt two-stage turbine to can further improve the efficient of motor.Adopt spiral rising and the diminishing semicircle hot gas runner in cross section can make full use of the kinetic energy of hot air flow in the expansion chamber, and make hot air flow be in the optimum state, also help the utilization of power turbine the heating of air.
The speed increaser that confluxes also makes two-stage turbine have adaptive ability to make the turbine generation machine set system be in optimum Match and peak efficiency state all the time thereby the present invention adopts uncanned planetary power.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 and Fig. 2 are two embodiments' of Yao type III low-grade gas externally heating type turbogenerator structure cut-away views.
1. special kind firing systems among the figure, 2. Yao's formula three type spiral shell shell turbogenerator, 3. gas holder, 4. backfire controller, 5. air fuel ratio regulator, 6. gas booster, 7. heating wire net firing chamber, 8. first order turbine, 9. second level turbine, 10. first turbine shaft, 11. second turbine shafts, 12. booster pump wheel, 13. expansion chamber housing, 14. ring gear, 15. planet carriers, 16. planet wheels, 17. sun gear, 18. generator, 19. bell cowlings, 20. air intake framves, 21. spiral shell shell hot gas runner, 22. Yao's formula three type heat exchange turbogenerators, 23. housing heat exchangers, 24. heat exchanger exits.
Embodiment
In Fig. 1, special kind firing system 1 and Yao's formula three type spiral shell shell turbogenerators 2 are formed Yao's formula three type low-grade gas spiral shell shell turbogenerators.Special kind firing system 1 is made up of gas holder 3, backfire controller 4, air fuel ratio regulator 5, gas booster 6 and heating wire net firing chamber 7.Yao's formula three type spiral shell shell turbogenerators 2 are made up of first order turbine 8 and second level turbine 9, first turbine shaft 10, second turbine shaft 11, booster pump wheel 12 and expansion chamber housing 13.First order turbine 8 is connected with ring gear 14 with booster pump wheel 12: second level turbine 9 is connected with planet carrier 15: the sense of rotation of first order turbine 8 and second level turbine 9 opposite.Be evenly equipped with three planet wheels 16 on the planet carrier 15: ring gear 14, planet carrier 15, three planet wheels 16 and sun gear 17 constitute one together and have two planetary power that opposite input ends of sense of rotation and an output terminal be installed with one heart speed increaser that confluxes, and sun gear 17 connects generator 18 as the conflux output terminal of speed increaser of planetary power.Above the booster pump wheel 12 with below the first order turbine 8 a bell cowling 19 is being set respectively.Below expansion chamber housing 13, contain an air intake frame 20.Being shaped on spiral on the expansion chamber housing 13 rises and cross section diminishing semicircular shell hot gas runner 21.The outlet of the heating wire net firing chamber 7 of special kind firing system 1 is connected with expansion chamber housing lower end 13.Enter expansion chamber housing 13 by spiral shell shell hot gas runner 21 and convert the output of high-grade mechanical energy to from the hot gas of the outlet of heating wire net firing chamber 7 ejection.Expansion chamber housing 13 has heat insulation layer to reduce heat waste.
Working principle embodiment illustrated in fig. 1 is: the low-grade gas in the gas holder 3 is entered heating wire net firing chamber 7 through backfire controller 4 by gas booster 6 pumpings.The concentration that air fuel ratio regulator 5 is regulated the low-grade gas that enters heating wire net firing chamber 7 by the influx of control air guarantees that the turbine engine system working stability is efficient.The mixed gas that enters heating wire net firing chamber 7 is lighted by the heating wire net and fully thoroughly burning.The hot gas that burning produces enters spiral shell shell hot gas runner 21.Because these hot gas have heat energy and kinetic energy, and spiral shell shell hot gas runner 21 provides condition for the kinetic energy that makes full use of hot air flow.Near spiral shell shell hot gas runner 21, hot gas with enter the abundant heat exchange of pressurized air of expansion chamber housing 13 from air intake frame 20 and make air expansion produce potential energy.These potential energy and kinetic energy promote first order turbine 8 jointly and rotate, and drive the booster pump wheel 12 feasible supercharging airs that enter expansion chamber housing 13 from air intake frame 20 by first turbine shaft 10.The air of supercharging produces bigger pressure through the hot gas heating, promotes first order turbine 8 and quickens to rotate.This makes the pressurization of booster pump wheel 12 further strengthen again, forms the snowslide reaction thus, makes turbogenerator reach full power output rapidly.These output powers are converted into electric energy output by generator 18.
In Fig. 2, special kind firing system 1 and Yao's formula three type heat exchange turbogenerators 22 are formed Yao's formula three type low-grade gas heat exchange turbogenerators.Special kind firing system 1 is made up of gas holder 3, backfire controller 4, air fuel ratio regulator 5, gas booster 6 and heating wire net firing chamber 7.Yao's formula three type heat exchange turbogenerators 22 are made up of first order turbine 8 and second level turbine 9, first turbine shaft 10, second turbine shaft 11, booster pump wheel 12 and expansion chamber housing 13.First order turbine 8 is connected with ring gear 14 with booster pump wheel 12: second level turbine 9 is connected with planet carrier 15: the sense of rotation of first order turbine 8 and second level turbine 9 opposite.Be evenly equipped with three planet wheels 16 on the planet carrier 15: ring gear 14, planet carrier 15, three planet wheels 16 and sun gear 17 constitute one together and have two planetary power that opposite input ends of sense of rotation and an output terminal be installed with one heart speed increaser that confluxes, and sun gear 17 connects generator 18 as the conflux output terminal of speed increaser of planetary power.Above the booster pump wheel 12 with below the first order turbine 8 a bell cowling 19 is being set respectively.Below expansion chamber housing 13, contain an air intake frame 20.Housing heat exchanger 23 is integrally manufactured with expansion chamber housing 13.The outlet of the heating wire net firing chamber 7 of special kind firing system 1 is connected with housing heat exchanger 23.From the hot gas of the outlet of heating wire net firing chamber 7 ejection by housing heat exchanger 23 with the air heating in the expansion chamber housing 13, self cooling back enters atmosphere from heat exchanger exit 24.Transfer to expansion chamber housing 13 interior heat energy in air and convert the output of high-grade mechanical energy to by Yao's formula three type heat exchange turbogenerators 22.Housing heat exchanger 23 has heat insulation layer to reduce heat waste.
Working principle embodiment illustrated in fig. 2 is: the low-grade gas in the gas holder 3 is entered heating wire net firing chamber 7 through backfire controller 4 by gas booster 6 pumpings.The concentration that air fuel ratio regulator 5 is regulated the low-grade gas that enters heating wire net firing chamber 7 by the influx of control air makes system works more stable effectively.The mixed gas that enters heating wire net firing chamber 7 is lighted by the heating wire net and fully thoroughly burning.The hot gas that burning produces enters housing heat exchanger 23, with the abundant heat exchange of pressurized air that enters expansion chamber housing 13 from air intake frame 20 and make air expansion produce potential energy.These potential energy promote first order turbine 8 and rotate, and drive the booster pump wheel 12 feasible supercharging airs that enter expansion chamber housing 13 from air intake frame 20 by first turbine shaft 10.The air of supercharging produces bigger pressure through the hot gas heating, promotes first order turbine 8 and quickens to rotate.This makes the pressurization of booster pump wheel 12 further strengthen again, forms the snowslide reaction thus, makes turbogenerator reach full power output rapidly.These output powers are converted into electric energy output by generator 18.
Here will emphasize: the rotation owing to booster pump wheel 12 among Fig. 1 embodiment makes the gases in the expansion chamber housing 13 rotate according to helical curve.The angle of spiral shell shell hot gas runner 21 is identical with the moving direction of the swirling eddy that booster pump wheel 12 produces, thereby has strengthened the air motion energy, more helps the energy utilized of two-stage turbine.
Also it may be noted that: among Fig. 1 and Fig. 2 embodiment, 8 of first order turbines have absorbed the energy acting of a part of expansion, leave energy remaining for second level turbine 9 and continue to absorb acting.8 work parts of first order turbine pass to booster pump wheel 12 by first turbine shaft 10, and another part power passes to ring gear 14.Second level turbine 9 passes to planet carrier 15 by second level turbine shaft 11 with power.These two turbines are finished in planetary power is confluxed speed increaser that power confluxes and are passed to generator 21 by sun gear 20 and are converted into electric energy output.The planetary power speed increaser that confluxes also makes turbine engine system be in the high position operation of efficiency curve all the time.
Existing gas externally heating type turbine engine all is provided with multistage guide wheel mechanism, and they all have beneficial effect in many occasions.But discover through us: the existence of guide wheel mechanism also makes the structure complicated of motor simultaneously, but also influences efficiency of engine.If can adopt reversible turbine and pump impeller to replace guide wheel, both can simplified structure, can increase work efficiency greatly again.So do not adopt guide wheel here.
Technical requirements of the present invention is: when two opposite turbines of sense of rotation were 125 rev/mins, the planetary power speed increaser raising speed ratio that confluxes was 6: 1, drove 750 rev/mins 50 hz AC generator connecting in parallel with system generating.
Point out that in passing Fig. 1 embodiment is because the power that gas booster 6 consumes is very big, combustion gas directly is circulated into mode in the expansion chamber housing 13, be worth not necessarily very big.Therefore also can adopt Fig. 2 embodiment's method: adopt housing heat exchanger 23 for low-grade motor provides heat energy, and convert it into the output of high-grade mechanical energy.Which kind of is better for this dual mode, must be by the experiment decision.
Claims (5)
1. the Yao type III low-grade gas externally heating type turbogenerator is made up of Yao's formula three type turbogenerators and special kind firing system; Low-grade gas comprises thin inflammable gas that produces in the oilfield exploitation extractive process of colliery and composition thereof; Yao's formula three type turbogenerators are made up of two-stage turbine, two turbine shafts, booster pump wheel and expansion chamber housings; First order turbine is connected with ring gear with booster pump wheel; Second level turbine is connected with planet carrier; Be evenly equipped with three planet wheels on the planet carrier; Ring gear, planet carrier, three planet wheels and sun gear constitute the planetary power speed increaser that confluxes together, sun gear connects generator as the conflux output terminal of speed increaser of planetary power, adopt the outlet of special kind firing system to be connected with expansion chamber housing lower end, be shaped on spiral on the expansion chamber housing and rise and cross section diminishing semicircular shell hot gas runner, the hot gas that sprays from the special kind firing system enters the expansion chamber housing by this spiral shell shell hot gas runner and converts the output of high-grade mechanical energy to; Perhaps adopt the outlet of special kind firing system to be connected with the heat exchanger that is connected with expansion chamber housing low thermal resistance, make the gas heating expansion in the expansion chamber housing and convert the output of high-grade mechanical energy to by heat exchanger from the hot gas of special kind firing system ejection, it is characterized in that containing a special kind firing system that forms by gas holder, backfire controller, air fuel ratio regulator, gas booster and heating wire net firing chamber.
2. motor according to claim 1, the outlet that it is characterized in that the special kind firing system with and the integrally manufactured housing heat exchanger of expansion chamber housing be connected.
3. motor according to claim 1 and 2 is characterized in that containing a bell cowling above the booster pump wheel and/or contain a bell cowling below first order turbine.
4. motor according to claim 1 and 2 is characterized in that two-stage turbine has two planetary power that opposite input ends of sense of rotation and an output terminal be installed with one heart speed increaser that confluxes by one and forms power and conflux.
5. motor according to claim 1 and 2 is characterized in that the expansion chamber housing contains heat insulation layer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100331390A CN101493043A (en) | 2008-01-25 | 2008-01-25 | Yao type III low-grade gas externally heating type turbine engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100331390A CN101493043A (en) | 2008-01-25 | 2008-01-25 | Yao type III low-grade gas externally heating type turbine engine |
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| CN101493043A true CN101493043A (en) | 2009-07-29 |
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| CNA2008100331390A Pending CN101493043A (en) | 2008-01-25 | 2008-01-25 | Yao type III low-grade gas externally heating type turbine engine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425488A (en) * | 2011-10-31 | 2012-04-25 | 上海交通大学 | Adjustable two-stage supercharging sequential system applied to V-shaped diesel engine |
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2008
- 2008-01-25 CN CNA2008100331390A patent/CN101493043A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425488A (en) * | 2011-10-31 | 2012-04-25 | 上海交通大学 | Adjustable two-stage supercharging sequential system applied to V-shaped diesel engine |
| CN102425488B (en) * | 2011-10-31 | 2013-02-27 | 上海交通大学 | Adjustable two-stage supercharging sequential system applied to V-shaped diesel engine |
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Open date: 20090729 |