CN207212422U - Automatic feedback adjustable type steam source organic Rankine bottoming cycle generating set - Google Patents
Automatic feedback adjustable type steam source organic Rankine bottoming cycle generating set Download PDFInfo
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- CN207212422U CN207212422U CN201720910086.0U CN201720910086U CN207212422U CN 207212422 U CN207212422 U CN 207212422U CN 201720910086 U CN201720910086 U CN 201720910086U CN 207212422 U CN207212422 U CN 207212422U
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Abstract
The utility model belongs to low-temperature electricity-generating technical field, and in particular to a kind of automatic feedback adjustable type steam source organic Rankine bottoming cycle generating set.The generating set includes generator and the centripetal turbine being connected with generator；The centripetal turbine connects condenser and evaporator respectively by working medium pipeline, and the condenser and evaporator are connected to form duplex matter system by working medium pipeline and working medium pump；The first regulating valve for adjusting working medium flow is provided with working medium pipeline between the centripetal turbine and evaporator.The utility model between evaporator and centripetal turbine by setting the first regulating valve, the aperture of the first regulating valve is adjusted according to the rotating speed Real-time Feedback of generator, and then the working medium flow in the controlled medium circulatory system, being finally reached makes generator stable be run under rated speed, improves the job stability of generating set.
Description
Technical field
The utility model belongs to low-temperature electricity-generating technical field, and in particular to a kind of automatic feedback adjustable type steam source is organic
Rankine cycle generating set.
Background technology
At present in the industrial exhaust heat less than 200 DEG C utilizes field, organic Rankine bottoming cycle (ORC) generation technology is to compare conjunction
The Utilization plan of reason, due to the features such as its own condensing pressure is high, aobvious/latent heat ratio is big, using dryness working medium, compared to traditional water
Steam Rankine cycle, it has the characteristics of simple system, heat utilization efficiency is high in low-temperature electricity-generating field.
Organic Rankine bottoming cycle (ORC) generating set generally using water vapour, hot water with pressure, conduction oil etc. as direct heat source,
System wherein using water vapour as thermal source is the most complicated, because it is two-phase heat exchange in two side liquids of evaporator, exchanges heat
Process is complicated.And due to the change of steam source pressure and temperature, can make generator operation rotating speed be in fluctuation status and shadow
Ring job stability.
The content of the invention
The utility model purpose is to provide a kind of automatic feedback adjustable type steam source organic Rankine bottoming cycle generating set, solution
Existing rotary speed of generator group fluctuation of having determined is big, the technical problem of poor work stability.
Technical solution of the present utility model is：A kind of automatic feedback adjustable type steam source organic Rankine bottoming cycle generates electricity
Unit, it is characterized in that：The centripetal turbine being connected including generator and with generator；The centripetal turbine passes through working medium tube
Road connects condenser and evaporator respectively, and the condenser and evaporator are connected to form working medium by working medium pipeline and working medium pump
The circulatory system；The first regulation for adjusting working medium flow is provided with working medium pipeline between the centripetal turbine and evaporator
Valve.
Further, steam entry is provided with above-mentioned evaporator and condenses water out, the condensate exit peace
Equipped with the second regulating valve for adjusting steam pressure.
Further, above-mentioned centripetal turbine is connected by a gear-box with generator, the centripetal turbine and gear-box
High speed shaft be connected, the slow-speed shaft of gear-box is connected with generator.
Further, above-mentioned centripetal turbine is connected by axle sealing system with gear-box.
Further, above-mentioned evaporator has evaporation, crosses hot function.
Further, above-mentioned working medium pump is canned motor pump.
Further, above-mentioned generator is synchronous generator.
The utility model has the advantage of：The utility model between evaporator and centripetal turbine by setting the first regulation
Valve, the aperture of the first regulating valve, and then the work in the controlled medium circulatory system are adjusted according to the rotating speed Real-time Feedback of generator
Mass flow amount, being finally reached makes generator stable be run under rated speed, improves the job stability of generating set.
Brief description of the drawings
Fig. 1 is the preferred embodiment of the utility model automatic feedback adjustable type steam source organic Rankine bottoming cycle generating set
Structural representation.
Fig. 2 is that the automatic feedback of the utility model automatic feedback adjustable type steam source organic Rankine bottoming cycle generating set is former
Manage schematic diagram.
Reference is as follows：1- generators, 2- centripetal turbines, 3- condensers, 4- evaporators, 5- working medium pumps, 6- first are adjusted
Valve, 7- steam entries are saved, 8- condenses water out, the regulating valves of 9- second, 10- gear-boxes, 11- axle sealing systems.
Embodiment
Referring to Fig. 1, the utility model is a kind of automatic feedback adjustable type steam source organic Rankine bottoming cycle generating set, its
The structure of preferred embodiment includes generator 1 and the centripetal turbine 2 being connected with generator 1；Centripetal turbine 2 passes through working medium pipeline point
Not Lian Jie condenser 3 and evaporator 4, condenser 3 and evaporator 4 form working medium after being connected by working medium pipeline with working medium pump 5
The circulatory system；The first regulating valve for adjusting working medium flow is provided with working medium pipeline between centripetal turbine 2 and evaporator 4
6.Evaporator 4 has evaporation and crosses hot function simultaneously, is integrated with the work(of two equipment of general ORC units evaporator and superheater
Energy.
Working medium pump 5 is canned motor pump, can greatly improve the sealing of duplex matter system, avoids influenceing because working medium is revealed
The operating efficiency of generating set.
The turbine internal efficiency of centripetal turbine 2 is up to more than 80%, compared to other types of expanding machine pattern, same
Under parameter, there is the big advantage of acting ability.
Centripetal turbine 2 is connected by axle sealing system 11 with gear-box 10, and organic media and isolated from atmosphere can come,
Refrigerant leakage will not be caused.
Gear-box 10 is connected with generator 1 again, and centripetal turbine 2 is connected with the high speed shaft of gear-box 10, gear-box 10 it is low
Fast axle is connected with generator 1, and the high rotating speed of centripetal turbine 2 is converted into the slow-speed of revolution of generator 1.
For centripetal turbine 2 because no-load power is small, detent torque is small, therefore needs accurately to control rotating speed on startup, avoids
Hypervelocity.As shown in Fig. 2 the control to the rotating speed of centripetal turbine 2 is completed by the first regulating valve 6, the first regulating valve 6 can adjust entrance
The organic working medium quantity of steam of centripetal turbine 2, by being adjusted with the automatic feedback of the rotating speed of centripetal turbine 2, centripetal turbine 2 can be turned
Speed control is stable near rated speed.Specifically, when secondary speed is higher, the first control valve opening of control reduces, and causes
Working medium flow reduces, and secondary speed decreases.When secondary speed is relatively low, control the first control valve opening increase, cause work
Mass flow amount increases, and secondary speed increases.By continuous feedback regulation, most secondary speed is adjusted to equal or close to volume at last
Determine rotating speed.
Saturation temperature and saturation pressure when steam source condenses in evaporator are one-to-one relationship, are to improve
The system thermal efficiency, the saturation pressure of steam can be improved.Specifically, steam entry 7 is provided with evaporator 4 and condenses water out
8, condense the second regulating valve 9 being provided with water out 8 for adjusting steam pressure.Set using evaporator condensate outlet
The steam condensation discharging pressure of second regulating valve 9 regulation evaporator tube side, water vapour is reached saturation state and improve water steaming
The average exothermic temperature of vapour, further improves system effectiveness.
Claims (8)
- A kind of 1. automatic feedback adjustable type steam source organic Rankine bottoming cycle generating set, it is characterised in that：Including generator and The centripetal turbine being connected with generator；The centripetal turbine connects condenser and evaporator respectively by working medium pipeline, described cold Condenser and evaporator are connected to form duplex matter system by working medium pipeline and working medium pump；The centripetal turbine and evaporator it Between working medium pipeline on be provided with the first regulating valve for adjusting working medium flow.
- 2. automatic feedback adjustable type steam source organic Rankine bottoming cycle generating set according to claim 1, its feature exist In：First regulating valve adjusts working medium flow according to the rotating speed Real-time Feedback of generator.
- 3. automatic feedback adjustable type steam source organic Rankine bottoming cycle generating set according to claim 1 or 2, its feature It is：Steam entry is provided with the evaporator and condenses water out, the condensate exit is provided with for adjusting Second regulating valve of steam pressure.
- 4. automatic feedback adjustable type steam source organic Rankine bottoming cycle generating set according to claim 3, its feature exist In：The centripetal turbine is connected by a gear-box with generator, and the centripetal turbine is connected with the high speed shaft of gear-box, tooth The slow-speed shaft of roller box is connected with generator.
- 5. automatic feedback adjustable type steam source organic Rankine bottoming cycle generating set according to claim 4, its feature exist In：The centripetal turbine is connected by axle sealing system with gear-box.
- 6. automatic feedback adjustable type steam source organic Rankine bottoming cycle generating set according to claim 5, its feature exist In：The evaporator has evaporation, crosses hot function.
- 7. automatic feedback adjustable type steam source organic Rankine bottoming cycle generating set according to claim 6, its feature exist In：The working medium pump is canned motor pump.
- 8. automatic feedback adjustable type steam source organic Rankine bottoming cycle generating set according to claim 7, its feature exist In：The generator is synchronous generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720910086.0U CN207212422U (en) | 2017-07-25 | 2017-07-25 | Automatic feedback adjustable type steam source organic Rankine bottoming cycle generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720910086.0U CN207212422U (en) | 2017-07-25 | 2017-07-25 | Automatic feedback adjustable type steam source organic Rankine bottoming cycle generating set |
Publications (1)
| Publication Number | Publication Date |
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| CN207212422U true CN207212422U (en) | 2018-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720910086.0U Active CN207212422U (en) | 2017-07-25 | 2017-07-25 | Automatic feedback adjustable type steam source organic Rankine bottoming cycle generating set |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673570A (en) * | 2022-05-30 | 2022-06-28 | 安徽润安思变能源技术有限公司 | ORC system startup and grid connection system and method |
| CN115492644A (en) * | 2022-10-31 | 2022-12-20 | 北京华晟智擎新能源有限公司 | Organic working medium Rankine cycle power generation system with automatic pressure regulating mechanical sealing device |
-
2017
- 2017-07-25 CN CN201720910086.0U patent/CN207212422U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673570A (en) * | 2022-05-30 | 2022-06-28 | 安徽润安思变能源技术有限公司 | ORC system startup and grid connection system and method |
| CN114673570B (en) * | 2022-05-30 | 2022-08-23 | 安徽润安思变能源技术有限公司 | ORC system startup grid-connected system and method |
| CN115492644A (en) * | 2022-10-31 | 2022-12-20 | 北京华晟智擎新能源有限公司 | Organic working medium Rankine cycle power generation system with automatic pressure regulating mechanical sealing device |
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