CN208749417U - Double heat source organic Rankine cycle power generation systems - Google Patents

Double heat source organic Rankine cycle power generation systems Download PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
pipeline
preheater
fluid
power generation
liquid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201821385000.8U
Other languages
Chinese (zh)
Inventor
汤炎
江振斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Kaishan Energy Equipment Co Ltd
Original Assignee
Zhejiang Kaishan Energy Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Kaishan Energy Equipment Co Ltd filed Critical Zhejiang Kaishan Energy Equipment Co Ltd
Priority to CN201821385000.8U priority Critical patent/CN208749417U/en
Application granted granted Critical
Publication of CN208749417U publication Critical patent/CN208749417U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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

Landscapes

  • Engine Equipment That Uses Special Cycles (AREA)

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

Double heat source organic Rankine cycle power generation systems
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.
CN201821385000.8U 2018-08-27 2018-08-27 Double heat source organic Rankine cycle power generation systems Active CN208749417U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821385000.8U CN208749417U (en) 2018-08-27 2018-08-27 Double heat source organic Rankine cycle power generation systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821385000.8U CN208749417U (en) 2018-08-27 2018-08-27 Double heat source organic Rankine cycle power generation systems

Publications (1)

Publication Number Publication Date
CN208749417U true CN208749417U (en) 2019-04-16

Family

ID=66081914

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821385000.8U Active CN208749417U (en) 2018-08-27 2018-08-27 Double heat source organic Rankine cycle power generation systems

Country Status (1)

Country Link
CN (1) CN208749417U (en)

Similar Documents

Publication Publication Date Title
CN105089726B (en) A kind of cooling heating and power generation system based on double pressure organic Rankine bottoming cycles
JP4891369B2 (en) Power generation equipment using geothermal fluid
US4557112A (en) Method and apparatus for converting thermal energy
CN111022137B (en) Waste heat recovery system and method based on organic Rankine cycle and organic flash cycle
US20110265501A1 (en) System and a method of energy recovery from low temperature sources of heat
CN208702471U (en) Cascade organic Rankine cycle power generation system
CN111608751A (en) Combined cycle power plant
CN107503813A (en) Using the gravity-type of low grade heat energy driving without pump organic working medium TRT
CN111677561A (en) Combined cycle power plant
CN104727867A (en) Medium-and-low-temperature waste heat utilization method and pressure-reducing heat-absorbing type steam power circulating system thereof
KR20120081847A (en) Flue gas heat source hot and cold water making system
JP2010038160A (en) System and method for use in combined or rankine cycle power plant
CN208749417U (en) Double heat source organic Rankine cycle power generation systems
CN103758595A (en) Multi-pressure steam compensation type low-boiling-point organic working medium Rankine cycle system
CN103195518A (en) ORC (organic Rankine cycle) power generation system based on series connection of multistage evaporators
CN203257488U (en) Water or liquid medium steam non-condensing cycle generation system
CN105888759A (en) Low-temperature waste heat recovery system
CN107339822A (en) Steam condensate afterheat utilizing system and residual-heat utilization method
CN205349439U (en) Waste heat recovery system of low temperature flue gas and low temperature hot -fluid
CN103195519A (en) ORC (Organic Rankine cycle) power generation system based on series connection of multistage evaporators and working medium pumps
KR20140085003A (en) Energy saving system for using waste heat of ship
CN207081245U (en) Steam condensate afterheat utilizing system
CN103195517B (en) Liquid medium steam non-condensing cycle generating system
CN111852591A (en) Combined cycle power plant
CN111852587A (en) Combined cycle power plant

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant