CN208749417U - Double heat source organic Rankine cycle power generation systems - Google Patents
Double heat source organic Rankine cycle power generation systems Download PDFInfo
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- CN208749417U CN208749417U CN201821385000.8U CN201821385000U CN208749417U CN 208749417 U CN208749417 U CN 208749417U CN 201821385000 U CN201821385000 U CN 201821385000U CN 208749417 U CN208749417 U CN 208749417U
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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Abstract
The utility model discloses a kind of double heat source organic Rankine cycle power generation systems, including liquid pump, the first preheater, the second preheater, evaporator, expanding machine, generator, condenser；The liquid refrigerating working medium of low-temp low-pressure respectively enters the first preheater, the second preheater after liquid pump is boosted；First preheater, the second preheater are separately connected evaporator, and evaporator connects expanding machine, will be delivered to expander acting, driven generator power generation by the overheated gas of gasification；One end of the heat exchanging pipe of evaporator is as the first thermal fluid inlet, and the entrance of other end connection the second preheating pipeline of heat exchanging pipe, the outlet of the second preheating pipeline exports the first hot fluid；One end of first preheating pipeline is as the second thermal fluid inlet, second hot fluid of the other end output of the first preheating pipeline by heat exchange.The utility model proposes electricity generation system, can be used for underground heat and cogeneration, there is an occasion of double hot fluids, improve the generating efficiency of low-lying level hot fluid.
Description
Technical field
The utility model belongs to hot fluid generator technical field, is related to a kind of electricity generation system more particularly to a kind of double heat sources
Organic Rankine cycle power generation system.
Background technique
Referring to Fig. 1, Fig. 1 is typical Organic Rankine Cycle (Organic Rankin Cycle, an ORC) system,
Including expanding machine 1 ', generator 2 ', evaporator 3 ', liquid pump 4 ', condenser 5 '.
The liquid working substance of low-temp low-pressure is boosted in liquid pump 4 '；It is heated vaporization subsequently into evaporator 3 ', until
After the gas of high temperature and pressure, into 1 ' expansion work of expanding machine, expands machine driving generator 2 ' and generate electricity.After expansion work
Low temperature low pressure gas enters that condenser 5 ' is cooled to condense into liquid；It returns in liquid pump 4 ', completes a circulation.
When using some hot fluid generators, usually generated electricity using above-mentioned organic rankine cycle system.But for one
A little temperature are lower than 80 DEG C of hot fluid, generate electricity if entering system drive organic rankine cycle system alone using it, because
The evaporating temperature of system, evaporating pressure are lower, and corresponding cycle efficieny also will be very low, and economic benefit is often not achieved people's
It is expected that reduce the enthusiasm that people are generated electricity using these low temperature hot fluids.
In view of this, nowadays there is an urgent need to design a kind of new Organic Rankine Cycle generation mode, in order to can be effective
Utilization more low-lying level hot fluid.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of double heat source organic Rankine cycle power generation systems, can
Significantly improve the using energy source thermal efficiency of the lower hot fluid of temperature.
In order to solve the above technical problems, the utility model adopts the following technical solution:
A kind of double heat source organic Rankine cycle power generation systems, the electricity generation system include: liquid pump, the first preheater,
Two preheaters, evaporator, expanding machine, generator, condenser；
The liquid pump is separately connected the first preheater, the second preheater, and the liquid refrigerating working medium of low-temp low-pressure passes through liquid
The first preheater, the second preheater are respectively enterd after body pump boosting；
First preheater, the second preheater are separately connected evaporator, and the evaporator connects expanding machine, will pass through gas
The overheated gas of change is delivered to expander acting, driven generator power generation；The expanding machine connects condenser, and condenser connects
Connect liquid pump；
It is equipped with heat exchanging pipe in the evaporator, the first preheating pipeline is equipped in the first preheater, is set in the second preheater
There is the second preheating pipeline；
One end of the heat exchanging pipe is as the first thermal fluid inlet, the other end connection of heat exchanging pipe second preheating
The outlet of the entrance of pipeline, the second preheating pipeline exports the first hot fluid；
As the second thermal fluid inlet, the other end of the first preheating pipeline, which exports, to be passed through for one end of the first preheating pipeline
Second hot fluid of heat exchange.
As a kind of preferred embodiment of the utility model, first thermal fluid inlet is connected with phase transformation hot gaseous fluid pipe
There is transfer pipeline of the phase transformation hot gaseous fluid pipeline as the hot gaseous fluid for having phase transformation on road.
As a kind of preferred embodiment of the utility model, the phase transformation hot gaseous fluid pipeline includes saturated vapor delivery pipe
Road, superheated steam pipe road and moist steam transfer pipeline.
As a kind of preferred embodiment of the utility model, second thermal fluid inlet connects fluid liquid pipeline, liquid
Transfer pipeline of the fluid circuit as fluid liquid.
As a kind of preferred embodiment of the utility model, the fluid liquid pipeline includes delivery pipeline, underground heat salt
Water transfer pipeline, hot oil transfer pipeline.
A kind of double heat source organic Rankine cycle power generation systems, the electricity generation system include: liquid pump, the first preheater, steam
Send out device, expanding machine, generator, condenser；
The liquid pump connects the first preheater, and the liquid refrigerating working medium of low-temp low-pressure is distinguished after boosting after liquid pump
Into the first preheater, evaporator；
First preheater connects evaporator, and the evaporator connects expanding machine, and the overheated gas by gasification is defeated
It send to expander and does work, driven generator power generation；The expanding machine connects condenser, and condenser connects liquid pump；
It is equipped with heat exchanging pipe in the evaporator, the first preheating pipeline is equipped in the first preheater；
One end of the heat exchanging pipe exports the first hot fluid as the first thermal fluid inlet, the other end of heat exchanging pipe；
As the second thermal fluid inlet, the other end of the first preheating pipeline, which exports, to be passed through for one end of the first preheating pipeline
Second hot fluid of heat exchange.
As a kind of preferred embodiment of the utility model, first thermal fluid inlet is connected with phase transformation hot gaseous fluid pipe
There is transfer pipeline of the phase transformation hot gaseous fluid pipeline as the hot gaseous fluid for having phase transformation on road.
As a kind of preferred embodiment of the utility model, the phase transformation hot gaseous fluid pipeline includes saturated vapor delivery pipe
Road, superheated steam pipe road and moist steam transfer pipeline.
As a kind of preferred embodiment of the utility model, second thermal fluid inlet connects fluid liquid pipeline, liquid
Transfer pipeline of the fluid circuit as fluid liquid.
As a kind of preferred embodiment of the utility model, the fluid liquid pipeline includes delivery pipeline, underground heat salt
Water transfer pipeline, hot oil transfer pipeline.
The utility model has the beneficial effects that: the utility model proposes double heat source organic Rankine cycle power generation systems,
It can be used for underground heat and cogeneration, there is the occasion of double hot fluids, improve the generating efficiency of low-lying level hot fluid.
Detailed description of the invention
Fig. 1 is the composition schematic diagram of existing organic Rankine cycle power generation system.
Fig. 2 is the composition schematic diagram of the double heat source organic Rankine cycle power generation systems of the utility model.
Specific embodiment
The preferred embodiment that according to the present invention will be described in detail below with reference to the accompanying drawings.
Embodiment one
Referring to Fig. 2, the utility model discloses a kind of double heat source organic Rankine cycle power generation systems, the electricity generation system
It include: liquid pump 1, the first preheater 2, the second preheater 3, evaporator 4, expanding machine 5, generator 6, condenser 7.
The liquid pump 1 is separately connected the first preheater 2, the second preheater 3, and the liquid refrigerating working medium of low-temp low-pressure is passed through
The first preheater 2, the second preheater 3 are respectively enterd after boosting after liquid pump 1.
First preheater 1, the second preheater 2 are separately connected evaporator 4, and the evaporator 4 connects expanding machine 5, will
Overheated gas by gasification is delivered to 5 expansion work of expanding machine, and driven generator 6 generates electricity；The expanding machine 5 connects condenser
7, condenser 7 connects liquid pump 1.
It is equipped with heat exchanging pipe 41 in the evaporator 4, the first preheating pipeline 21, the second preheating are equipped in the first preheater 2
The second preheating pipeline 31 is equipped in device 3.One end of the heat exchanging pipe 41 as the first thermal fluid inlet, heat exchanging pipe 41 it is another
One end connects the entrance of the second preheating pipeline 31, and the outlet of the second preheating pipeline 31 exports the first hot fluid.
One end of the first preheating pipeline 21 is as the second thermal fluid inlet, the other end output of the first preheating pipeline 21
The second hot fluid by heat exchange.
In the present embodiment, first thermal fluid inlet can connect phase transformation hot gaseous fluid pipeline, there is phase transformation gaseous state
Transfer pipeline of the hot fluid pipeline as the hot gaseous fluid for having phase transformation.Such as, the phase transformation hot gaseous fluid pipeline may include satisfying
With steam conveying pipeline, superheated steam pipe road and moist steam transfer pipeline etc..
Second thermal fluid inlet can connect fluid liquid pipeline, conveying of the fluid liquid pipeline as fluid liquid
Pipeline.Such as, the fluid liquid pipeline may include delivery pipeline, geothermal brine transfer pipeline, hot oil transfer pipeline etc..
First hot fluid is the hot gaseous fluid for having phase transformation, and most commonly seen is saturated vapor, superheated steam and moist steam
Deng.Second hot fluid is fluid liquid, common are hot water, geothermal brine, hot oil etc..Usual second hot fluid enters preheater
Temperature can be equal to, higher or lower than the saturation temperature of the first hot fluid.First hot fluid condenses change under saturation temperature
At liquid, while the refrigeration working medium in heating evaporation device is allowed to evaporate.Compared with the first hot fluid, the energy level of the second hot fluid compared with
Low, if driving Organic Rankine Cycle alone, evaporating temperature, evaporating pressure are low, and cycle efficieny is also just low.Using pair of the invention
Heat source Organic Rankine Cycle, the thermal efficiency of the second hot fluid will be increased to it is suitable with the first hot fluid, to greatly improve
The thermal efficiency of two hot fluids.
Second preheater is an option, be can be set, and can also be not provided with, if be not provided with, the of evaporator outlet
One hot fluid be saturated liquid, subcooled liquid or two phase flow (refer to the state of gas-liquid two-phase, simultaneous two kinds of fluids, than
Such as say steam and the simultaneous state of hot water).
Embodiment two
The difference between this embodiment and the first embodiment lies in a preheater can only be arranged in the present embodiment.
The present embodiment discloses a kind of double heat source organic Rankine cycle power generation systems, and the electricity generation system includes: liquid pump,
One preheater, evaporator, expanding machine, generator, condenser.
The liquid pump connects the first preheater, and the liquid refrigerating working medium of low-temp low-pressure is distinguished after boosting after liquid pump
Into the first preheater, evaporator.
First preheater connects evaporator, and the evaporator connects expanding machine, and the overheated gas by gasification is defeated
It send to expander and does work, driven generator power generation；The expanding machine connects condenser, and condenser connects liquid pump.
It is equipped with heat exchanging pipe in the evaporator, the first preheating pipeline is equipped in the first preheater.The heat exchanging pipe
One end exports the first hot fluid as the first thermal fluid inlet, the other end of heat exchanging pipe.One end of the first preheating pipeline
As the second thermal fluid inlet, second hot fluid of the other end output of the first preheating pipeline by heat exchange.
In conclusion the utility model proposes double heat source organic Rankine cycle power generation systems, can be used for underground heat and waste heat
Power generation has the occasion of double hot fluids, improves the generating efficiency of low-lying level hot fluid.
Here the description and application of the utility model are illustrative, are not wishing to for the scope of the utility model being limited in
It states in embodiment.The deformation and change of embodiments disclosed herein be it is possible, for the ordinary skill people of those this fields
The replacement of embodiment and equivalent various parts are well known for member.It should be appreciated by the person skilled in the art that not taking off
In the case where spirit or essential characteristics from the utility model, the utility model can in other forms, structure, arrangement, ratio,
And it is realized with other components, material and component.It, can be to this in the case where not departing from the scope of the utility model and spirit
In disclosed embodiment carry out other deformations and change.
Claims (10)
1. a kind of double heat source organic Rankine cycle power generation systems, which is characterized in that the electricity generation system includes: liquid pump, first
Preheater, the second preheater, evaporator, expanding machine, generator, condenser；
The liquid pump is separately connected the first preheater, the second preheater, and the liquid refrigerating working medium of low-temp low-pressure passes through liquid pump
The first preheater, the second preheater are respectively enterd after boosting afterwards；
First preheater, the second preheater are separately connected evaporator, and the evaporator connects expanding machine, will be by gasification
Overheated gas is delivered to expander acting, driven generator power generation；The expanding machine connects condenser, and condenser connects liquid
Body pump；
It is equipped with heat exchanging pipe in the evaporator, the first preheating pipeline is equipped in the first preheater, the is equipped in the second preheater
Two preheating pipelines；
One end of the heat exchanging pipe is as the first thermal fluid inlet, the other end connection of heat exchanging pipe the second preheating pipeline
Entrance, second preheating pipeline outlet export the first hot fluid；
One end of the first preheating pipeline is as the second thermal fluid inlet, and the other end output of the first preheating pipeline is by heat exchange
The second hot fluid.
2. double heat source organic Rankine cycle power generation systems according to claim 1, it is characterised in that:
First thermal fluid inlet is connected with phase transformation hot gaseous fluid pipeline, and having phase transformation hot gaseous fluid pipeline to be used as has phase transformation
Hot gaseous fluid transfer pipeline.
3. double heat source organic Rankine cycle power generation systems according to claim 2, it is characterised in that:
The phase transformation hot gaseous fluid pipeline includes saturated vapor transfer pipeline, superheated steam pipe road and moist steam delivery pipe
Road.
4. double heat source organic Rankine cycle power generation systems according to claim 1, it is characterised in that:
Second thermal fluid inlet connects fluid liquid pipeline, transfer pipeline of the fluid liquid pipeline as fluid liquid.
5. double heat source organic Rankine cycle power generation systems according to claim 4, it is characterised in that:
The fluid liquid pipeline includes delivery pipeline, geothermal brine transfer pipeline, hot oil transfer pipeline.
6. a kind of double heat source organic Rankine cycle power generation systems, which is characterized in that the electricity generation system includes: liquid pump, first
Preheater, evaporator, expanding machine, generator, condenser；
The liquid pump connects the first preheater, and it is pre- that the liquid refrigerating working medium of low-temp low-pressure enters first after liquid pump is boosted
Hot device；
First preheater connects evaporator, and the evaporator connects expanding machine, will be delivered to by the overheated gas of gasification
Expander acting, driven generator power generation；The expanding machine connects condenser, and condenser connects liquid pump；
It is equipped with heat exchanging pipe in the evaporator, the first preheating pipeline is equipped in the first preheater；
One end of the heat exchanging pipe is as the first thermal fluid inlet, first heat of the other end output of heat exchanging pipe by heat exchange
Fluid；
One end of the first preheating pipeline is as the second thermal fluid inlet, and the other end output of the first preheating pipeline is by heat exchange
The second hot fluid.
7. double heat source organic Rankine cycle power generation systems according to claim 6, it is characterised in that:
First thermal fluid inlet is connected with phase transformation hot gaseous fluid pipeline, and having phase transformation hot gaseous fluid pipeline to be used as has phase transformation
Hot gaseous fluid transfer pipeline.
8. double heat source organic Rankine cycle power generation systems according to claim 7, it is characterised in that:
The phase transformation hot gaseous fluid pipeline includes saturated vapor transfer pipeline, superheated steam pipe road and moist steam delivery pipe
Road.
9. double heat source organic Rankine cycle power generation systems according to claim 6, it is characterised in that:
Second thermal fluid inlet connects fluid liquid pipeline, transfer pipeline of the fluid liquid pipeline as fluid liquid.
10. double heat source organic Rankine cycle power generation systems according to claim 9, it is characterised in that:
The fluid liquid pipeline includes delivery pipeline, geothermal brine transfer pipeline, hot oil transfer pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821385000.8U CN208749417U (en) | 2018-08-27 | 2018-08-27 | Double heat source organic Rankine cycle power generation systems |
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| CN201821385000.8U CN208749417U (en) | 2018-08-27 | 2018-08-27 | Double heat source organic Rankine cycle power generation systems |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115405480A (en) * | 2021-05-28 | 2022-11-29 | 张桢驩 | Geothermal power generation electric heating regulation pool type organic Rankine cycle system |
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2018
- 2018-08-27 CN CN201821385000.8U patent/CN208749417U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115405480A (en) * | 2021-05-28 | 2022-11-29 | 张桢驩 | Geothermal power generation electric heating regulation pool type organic Rankine cycle system |
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