CN109083705A - Change component multiple pressure with injector evaporates non-azeotropic working medium Rankine cycle system - Google Patents
Change component multiple pressure with injector evaporates non-azeotropic working medium Rankine cycle system Download PDFInfo
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- CN109083705A CN109083705A CN201810719410.XA CN201810719410A CN109083705A CN 109083705 A CN109083705 A CN 109083705A CN 201810719410 A CN201810719410 A CN 201810719410A CN 109083705 A CN109083705 A CN 109083705A
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- 230000008859 change Effects 0.000 title claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 98
- 239000012530 fluid Substances 0.000 claims abstract description 95
- 238000009835 boiling Methods 0.000 claims abstract description 11
- 238000002347 injection Methods 0.000 claims abstract description 9
- 239000007924 injection Substances 0.000 claims abstract description 9
- 239000002918 waste heat Substances 0.000 claims description 25
- 239000007789 gas Substances 0.000 claims description 21
- 230000008676 import Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- 238000001704 evaporation Methods 0.000 abstract description 14
- 230000008020 evaporation Effects 0.000 abstract description 14
- 238000004134 energy conservation Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 239000000306 component Substances 0.000 description 13
- 230000005611 electricity Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000010248 power generation Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000002427 irreversible effect Effects 0.000 description 3
- 239000012533 medium component Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K17/00—Using steam or condensate extracted or exhausted from steam engine plant
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K13/00—General layout or general methods of operation of complete plants
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K21/00—Steam engine plants not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
- F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
- F01K7/34—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being of extraction or non-condensing type; Use of steam for feed-water heating
Abstract
The present invention discloses a kind of change component multiple pressure evaporation non-azeotropic working medium Rankine cycle system with injector, it is pumped including expander cycle, evaporator, condenser gas-liquid ejector, the operative fluid outlet of the expanding machine connects the Working-fluid intaking of the gas-liquid ejector, the steam exhaust outlet of the expanding machine is connect with the condenser, the middle part of the condenser is equipped with pipeline and connect with the low-pressure injection fluid inlet for stating gas-liquid ejector, the condenser is connected by the mixed working fluid entrance of circulating pump and evaporator, the mixed working fluid outlet of the evaporator is connect with the entrance of expanding machine；The liquid outlet of the higher boiling high pressure of the gas-liquid ejector is connect with the mixed working fluid entrance of the evaporator.This system structure is simple, and work efficiency is high, and energy conservation and environmental protection.
Description
Technical field
The present invention relates to generating equipment technical field, a kind of specific change component with injector that thermal performance can be improved
Multiple pressure evaporates non-azeotropic working medium Rankine cycle system.
Background technique
Organic Rankine Cycle (ORC) is to utilize low temperature position renewable energy and the middle low temperature such as solar energy, underground heat, industrial exhaust heat
Waste heat carries out thermal energy-electric energy conversion technology.With Rankine cycle, card Linne circulation is compared with heat to electricity conversion, Organic Rankine Cycle
Due to being suitable for the features such as cost is relatively low, and recovery efficiency is higher with pressure, become the hot spot studied at present.But it also faces at present
Main problem be that initial cost is at high cost, low efficiency becomes the major obstacle of its current large-scale application.Therefore, urgent at present
Need to solve inefficiency, this high problem of initial cost.
The problem of to improve Organic Rankine Cycle inefficiency, the prior art are mainly studied from working medium and circulation.
Non-azeotropic working medium has temperature glide phenomenon in phase transition process, can be good at being matched with Cooling and Heat Source temperature curve, can
The irreversible loss for effectively reducing system improves the efficiency of system.Compared with pure refrigerant, although improve working medium with it is cold and hot
Source matching, but irreversible loss is still very big, especially evaporation process, and the single pressure circulation of tradition improves limited potential.Tradition
Single pressure evaporation Organic Rankine Cycle, due to still having excessive heat transfer temperature difference, causes evaporation during exchanging heat evaporation
Hold excessive heat transferDamage, to influence the thermal performance of system.Multiple pressure evaporate non-azeotrope Organic Rankine Cycle due to can ladder
Grade utilizes waste heat, and Working fluid phase changing thermal expansion line can follow preferably with heat source thermal procession lines matching so as to significantly improve
The thermal performance of loop system.Simultaneously because the diversity of heat source, heat release curve is different with Heating style, potential temperature, such as different evaporations
The component and flow of grade non-azeotropic working medium are adjustable, then can further improve heat transfer process matching performance, reduce heat transfer process
Irreversible loss.In addition, organic rankine cycle system is in actual operation, thermodynamic property is also affected by the surrounding environment,
In certain areas, such as Beijing, the temperature difference in summer and winter is close to 30 DEG C.Therefore system often deviates design conditions fortune
Row.The problem of how coping with the system performance degradation caused by operating condition changes proposes reasonable design method and operation plan
Slightly, the problem of becoming current urgent need to resolve.And traditional ORC is the leakage for avoiding working medium, system can only be according to the work in summer
Condition is designed, then in other seasons, what thermal performance was limited by.Although existing non-azeotrope Organic Rankine Cycle
Can be by adjusting flow to adapt to cold source Parameters variation, but its design parameter for being limited to heat exchange equipment, variable working condition are adjusted
Flexible poor, adjustable range is limited.
Summary of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the present invention proposes that a kind of change component multiple pressure evaporation with injector is non-
Azeotropic Organic Rankine Cycle (ORC) system, matches mixed working fluid effectively with heat source, the biography during reducing in a disguised form
The hot temperature difference improves its heat absorption capacity, is remarkably improved system circulation efficiency.Meanwhile condenser is also adjustable the work after liquid separation
Matter component can effectively improve the adaptability that system fluctuates cold source, improve system performance.
The present invention solves the used technical solution of its technical problem are as follows: the change component multiple pressure with injector evaporates non-azeotrope
Machine boils organic rankine cycle system, including expanding machine III, circulating pump, evaporator, condenser VII and gas-liquid ejector V, described swollen
The operative fluid outlet 3 of swollen machine III connects the Working-fluid intaking of the gas-liquid ejector V, and the steam exhaust of the expanding machine III goes out
Mouth 7 is connect with the condenser VII, and the middle part of the condenser VII is equipped with pipeline and draws with the low pressure for stating gas-liquid ejector V
Jet body entrance 5 connects, and the condenser VII is connected by the mixed working fluid entrance of circulating pump and evaporator, the evaporator
Mixed working fluid outlet is connect with the entrance of expanding machine III；The liquid outlet 4 of the higher boiling high pressure of the gas-liquid ejector V with
The mixed working fluid entrance of the evaporator connects.
Wherein, the gas-liquid ejector V includes main channel, and the front end of the main channel is equipped with Working-fluid intaking, described
The driving fluid entrance is equipped at the front end side wall of main channel, the main channel end is exported equipped with the gas-liquid fluid；
Gas-liquid mixed room and the gas-liquid diffuser casing of connection are equipped in the main channel, the front side of the gas-liquid mixed room is connected to the work
Fluid inlet and driving fluid entrance, the gas-liquid diffuser casing in gradually widened horn-like backward, the gas-liquid diffuser casing
End is exported equipped with the gas-liquid fluid.
Further, the gas-liquid fluid outlet end of the gas-liquid ejector V is also connected with gas-liquid separator VI.
Further, the evaporator includes the first evaporator I and the second evaporator II, and the circulating pump includes the first pump
Ⅸ and second pumps Ⅹ, and the gas-liquid fluid outlet of the gas-liquid ejector V passes through Ⅸ connection first evaporator of the first pump
I high pressure evaporator mixed working fluid entrance 1 connects, the high pressure evaporator mixed working fluid outlet 2 of first evaporator I with it is described
Expanding machine III connects.The low pressure that another outlet of the condenser VII passes through second pump Ⅹ and second evaporator II
Evaporator mixed working fluid entrance 9 connects, high pressure evaporator mixed working fluid outlet 10 and the expansion of second evaporator II
Machine III connects.
External source heat exchanger channels are connected between first evaporator I and the second evaporator II.The external source heat exchanger channels
It is exported by the waste heat source import being arranged on the first evaporator I and waste heat source high pressure evaporator, II waste heat of the second evaporator is set
Source low pressure evaporator entrance and waste heat source low pressure evaporator outlet composition, the waste heat source high pressure evaporator outlet are low with waste heat source
Evaporator inlet connection is pressed, uses external source waste heat as heat transferring medium, it is effective energy saving.
The driving fluid entrance is additionally provided with gas nozzle, and the gas nozzle is in the reduced funnel-form that is open.
Flow valve Ⅻ is set between the condenser VII and the gas-liquid ejector V.
The beneficial effects of the present invention are: system structure is simple, and it is easy to use, it, should compared with traditional bled steam system
System can be reduced the gas extracted from expanding machine using gas-liquid ejector, enable more complete expansion power generations of gas, will
Generated energy is further increased, has the advantages that working efficiency is higher；Meanwhile utilizing gas-liquid ejector boosting characteristic, moreover it is possible to reduce
The pump work pumped in system, has the advantages that more energy saving, this has the power generation performance for improving small-sized ORC electricity generation system great
Effect；Furthermore after condenser regulates and controls component, the adaptability that system fluctuates cold source can be effectively improved；Except this it
Outside, system can regulate and control jointly the component of mixed working fluid by condenser and gas-liquid ejector, improve evaporation ends working medium and heat source temperature
It writes music the matching of line, enhances ORC system to the adaptability of heat source fluctuations, effectively improve system performance；Therefore, system flows ORC
The design of journey and performance provide certain theoretical direction and reference value.
Detailed description of the invention
Fig. 1 is the structural frames that change component multiple pressure of the present invention with injector evaporates non-azeotropic working medium Rankine cycle system
Figure；
Fig. 2 is the structural schematic diagram of gas-liquid ejector of the invention.
Wherein, I is the first evaporator；II is the second evaporator；III is expanding machine；IV is generator；V is gas-liquid injection
Device；VI is gas-liquid separator；VII is condenser；Ⅸ is the first pump；Ⅹ is the second pump；Ⅻ is flow valve；A is waste heat source import；b
For the outlet of waste heat source high pressure evaporator；C is waste heat source low pressure evaporator entrance；D is the outlet of waste heat source low pressure evaporator；1 is height
Press evaporator mixed working fluid entrance；2 export for high pressure evaporator mixed working fluid；3 be expanding machine operative fluid outlet；4 be high boiling
The liquid outlet of point high pressure；5 be injector low-pressure injection fluid inlet；6 be the liquid outlet of low boiling point high pressure；7 be swollen
Swollen machine steam exhaust outlet；8 be low-boiling point liquid pump inlet；9 be low pressure evaporator mixed working fluid entrance；10 is mixed for high pressure evaporator
Close sender property outlet；201 be Working-fluid intaking；202 be gas nozzle；203 be driving fluid entrance；204 be gas-liquid mixed
Room；205 be gas-liquid diffuser casing；206 export for gas-liquid fluid.
Specific embodiment
The present invention is further detailed with reference to the accompanying drawing.Wherein, arrows direction is media flow in figure
Direction, text in the description as described in gas-liquid ejector, using Fig. 2 as reference standard.
As shown in Figure 1, the change component multiple pressure evaporation non-azeotrope machine with injector boils organic rankine cycle system, such as Fig. 1
It is shown comprising expanding machine III, circulating pump, evaporator, condenser VII and gas-liquid ejector V, the workflow of the expanding machine III
The Working-fluid intaking of the 3 connection gas-liquid ejector V of body outlet, steam exhaust outlet 7 and the condenser of the expanding machine III
VII connection, the middle part of the condenser VII are equipped with pipeline and connect with the low-pressure injection fluid inlet 5 for stating gas-liquid ejector V,
The condenser VII is connected by the mixed working fluid entrance of circulating pump and evaporator, the mixed working fluid outlet of the evaporator with it is swollen
The entrance of swollen machine III connects；The liquid outlet 4 of the higher boiling high pressure of the gas-liquid ejector V is through gas-liquid separator VI and institute
The mixed working fluid entrance connection of evaporator is stated, above-mentioned each component forms the circulatory system.The power take-off of expanding machine III connects hair
Motor IV, for generating electricity.
The steam exhaust of the entrance of the condenser VII and the expanding machine III, which exports, to be connected, and the condenser VII sets that there are two go out
Mouthful, condenser VII separates the liquid of part during condensed gas, is sprayed by one of outlet with the gas-liquid
The driving fluid entrance 203 of emitter V connects, and flow valve is arranged between the condenser VII and the gas-liquid ejector V
Ⅻ, another outlet is connect with the circulating pump.The condenser VII separates the liquid of 20-35%.Wherein, it is condensing
The liquid of VII different parts of device extraction, will obtain the driving fluid of different component.The condenser VII is liquid separation condenser.
Further, the evaporator includes the first evaporator I and the second evaporator II, and the circulating pump includes the first pump
Ⅸ and second pumps Ⅹ, and the gas-liquid fluid outlet of the gas-liquid ejector V passes through Ⅸ connection first evaporator of the first pump
I high pressure evaporator mixed working fluid entrance 1 connects, the high pressure evaporator mixed working fluid outlet 2 of first evaporator I with it is described
Expanding machine III connects.The low pressure that another outlet of the condenser VII passes through second pump Ⅹ and second evaporator II
Evaporator mixed working fluid entrance 9 connects, high pressure evaporator mixed working fluid outlet 10 and the expansion of second evaporator II
Machine III connects.The worker quality liquid of another outlet of the gas-liquid ejector V is transported to after second (low pressure) pump, Ⅹ pressurization
Second (low pressure) evaporator II carries out heat absorption evaporation, and the high temperature and high pressure gas after evaporation is exported by high pressure evaporator mixed working fluid
10, push expanding machine III externally to do manual work, pushing generator IV generates electricity, to complete the power cycle of low boiling working fluid；Gas
206 output of gas-liquid fluid outlet of fluid injector V has higher, the liquid of higher temperature and elevated pressures, by the
One pump Ⅸ, which carries out being pressed and delivered to first (high pressure) evaporator I, carries out heat absorption evaporation, and the steam of high temperature and pressure passes through high-pressure evaporation
Device mixed working fluid outlet 2 enters expanding machine III, pushes expanding machine III externally to do manual work, pushing generator IV generates electricity, thus complete
At the power cycle of higher boiling working medium.First evaporator I from and the second evaporator II in working medium component it is different, the first evaporator
I is the working medium with higher, and the second evaporator II is that have more low-boiling working medium.First evaporator I and the second evaporation
Device II shares a heat source, will carry out cascade utilization to heat source in this way, and working medium and heat source temperature curve will obtain better
Match.
Further, the first evaporator I is different from the working medium component in the second evaporator II, and the first evaporator I is that have
The working medium of higher, the second evaporator II are that have more low-boiling working medium.First evaporator I and the second evaporator II share
One heat source, will carry out cascade utilization to heat source in this way, and working medium and heat source temperature curve will be matched preferably.Wherein,
External source heat exchanger channels are connected between first evaporator I and the second evaporator II.The external source heat exchanger channels are by being arranged in
Waste heat source import a and waste heat source high pressure evaporator on first evaporator I export b, and II waste heat source low pressure of the second evaporator is arranged
Evaporator inlet c and waste heat source low pressure evaporator outlet d composition, the waste heat source high pressure evaporator outlet b and waste heat source low pressure
Evaporator inlet c connection.
Working fluid is high pressure gas, and driving fluid is low-pressure fluid, according to the injection characteristic of gas-liquid ejector and boosting
Characteristic, change gas-liquid ejector V working fluid and driving fluid flow-rate ratio, will obtain higher, elevated pressures with
The liquid of higher temperature.
In the present invention, gas-liquid ejector V plays promotion fluid pressure, fluid temperature, the effect of component regulation, specific
Structure is as shown in Figure 2；The gas-liquid ejector V is a kind of particular spray pump using high pressure gaseous working medium for power source,
Its internal structure mainly includes main channel, and the front end of the main channel is equipped with the Working-fluid intaking 201, the driving fluid
Gas nozzle 202 is additionally provided at entrance 201, the gas nozzle 202 is in the reduced funnel-form that is open；Before the main channel
It holds side-walls to be equipped with the driving fluid entrance 203, gas-liquid mixed room 204 and the gas-liquid diffusion of connection is equipped in the main channel
The front side of room 205, the gas-liquid mixed room 204 is connected to the Working-fluid intaking 201 and driving fluid entrance 203, the gas
Liquid diffuser casing 205 is in gradually widened horn-like (expanding 1.1-2 times), the end of the gas-liquid diffuser casing 205 is equipped with institute backward
Gas-liquid fluid outlet 206 is stated, the driving fluid entrance is additionally provided with gas nozzle, and the gas nozzle is in the reduced funnel that is open
Shape.
Its working principles are as follows: working fluid does not expand the high pressure gas of workmanship, driving fluid from expanding machine completely
The low-temp low-pressure fluid condensed in the condenser VII come；The steam (working fluid) of high temperature and pressure Working-fluid intaking 201 into
Enter, it is low with the low temperature entered from driving fluid entrance 203 by being accelerated as supersonic flow under the action of gas nozzle 202
Supersonic gas liquid two-phase is formed after press liquid mixing, and generates condensation shock wave under the action of gas-liquid mixed room 204, pressure hair
Raw mutation, forces two-phase fluid to boost, obtains the liquid of high pressure, finally by the gas-liquid flow of the end of gas-liquid diffuser casing 205
206 output of body outlet.The working fluid of gas-liquid ejector V is high pressure gas, and driving fluid is low-pressure fluid, is sprayed according to gas-liquid
The injection characteristic and boosting characteristic of emitter, change the working fluid of gas-liquid ejector V and the flow-rate ratio of driving fluid, will obtain
The liquid for obtaining higher, elevated pressures and higher temperature will regulate and control working medium component by adjusting different injection ratios.
Compared with bled steam, the present invention can be reduced the gas extracted from expanding machine III using gas-liquid ejector V, so that
The complete expansion power generation of more gases energy, will can be further improved generated energy.Meanwhile using gas-liquid ejector V boost characteristic,
It also can be reduced the pump work of pump Ⅸ, this has the function of the power generation performance for improving small-sized ORC electricity generation system great.
As described above, the only preferred embodiment of the utility model, when cannot be limited with this utility model implementation range,
All still belong to the utility model according to simple equivalent changes and modifications made by the utility model claim and novel description generally
In the range of patent covers.
Claims (7)
1. the change component multiple pressure with injector evaporates non-azeotropic working medium organic rankine cycle system, which is characterized in that including swollen
The operative fluid outlet of swollen machine, circulating pump, evaporator, condenser gas-liquid ejector, the expanding machine connects the gas-liquid injection
The steam exhaust outlet of the Working-fluid intaking of device, the expanding machine is connect with the condenser, and the middle part of the condenser is equipped with pipe
Road is connect with the low-pressure injection fluid inlet for stating gas-liquid ejector, and the condenser passes through the mixing of circulating pump and evaporator
The mixed working fluid outlet of working medium entrances connection, the evaporator is connect with the entrance of expanding machine；The gas-liquid ejector it is high boiling
The liquid outlet of point high pressure is connect with the mixed working fluid entrance of the evaporator.
2. the change component multiple pressure according to claim 1 with injector evaporates non-azeotropic working medium Rankine cycle system,
It is characterized in that, the gas-liquid ejector includes main channel, and the front end of the main channel is equipped with Working-fluid intaking, the main channel
Front end side wall at be equipped with the driving fluid entrance, the main channel end be equipped with the gas-liquid fluid outlet.
3. the change component multiple pressure according to claim 2 with injector evaporates non-azeotropic working medium Rankine cycle system,
It is characterized in that, gas-liquid mixed room and the gas-liquid diffuser casing of connection is equipped in the main channel, is connected on front side of the gas-liquid mixed room
Lead to the Working-fluid intaking and driving fluid entrance, the gas-liquid diffuser casing is in gradually widened horn-like backward, the gas
The end of liquid diffuser casing is exported equipped with the gas-liquid fluid.
4. the change component multiple pressure according to claim 1 with injector evaporates non-azeotropic working medium Rankine cycle system,
It is characterized in that, the gas-liquid fluid outlet end of the gas-liquid ejector is also connected with gas-liquid separator.
5. the change component multiple pressure according to claim 1 to 4 with injector evaporates non-azeotropic working medium Rankine cycle system
System, which is characterized in that the evaporator includes the first evaporator and the second evaporator, and the circulating pump includes the first pump and second
Pump, the high pressure evaporator that the gas-liquid fluid outlet of the gas-liquid ejector passes through Ⅸ connection first evaporator of the first pump
The high pressure evaporator mixed working fluid outlet of the connection of mixed working fluid entrance, first evaporator is connect with the expanding machine；It is described
Another outlet of condenser is connect by second pump with the low pressure evaporator mixed working fluid entrance of second evaporator,
The high pressure evaporator mixed working fluid outlet of second evaporator is connect with the expanding machine.
6. the change component multiple pressure according to claim 5 with injector evaporates non-azeotropic working medium Rankine cycle system,
Be characterized in that, be connected with external source heat exchanger channels between first evaporator and the second evaporator, the external source heat exchanger channels by
Waste heat source import on first evaporator and the outlet of waste heat source high pressure evaporator are set, the second evaporator waste heat source low pressure is set
Evaporator inlet and waste heat source low pressure evaporator outlet composition, the waste heat source high pressure evaporator outlet are evaporated with waste heat source low pressure
The connection of device entrance.
7. the change component multiple pressure according to claim 6 with injector evaporates non-azeotropic working medium Rankine cycle system,
It is characterized in that, flow valve is set between the condenser and the gas-liquid ejector.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810719410.XA CN109083705A (en) | 2018-07-03 | 2018-07-03 | Change component multiple pressure with injector evaporates non-azeotropic working medium Rankine cycle system |
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| CN201810719410.XA CN109083705A (en) | 2018-07-03 | 2018-07-03 | Change component multiple pressure with injector evaporates non-azeotropic working medium Rankine cycle system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973163A (en) * | 2019-04-04 | 2019-07-05 | 天津大学 | A kind of injecting type Rankine cycle system |
| CN111306830A (en) * | 2019-11-20 | 2020-06-19 | 中国科学院广州能源研究所 | Jet organic Rankine flash evaporation combined cooling and power system |
| CN111997697A (en) * | 2020-07-21 | 2020-11-27 | 上海齐耀膨胀机有限公司 | Organic Rankine cycle system with ejector |
| CN113404474A (en) * | 2021-07-12 | 2021-09-17 | 大连理工大学 | Vapor source system based on vapor-liquid ejector supercharging flash evaporation technology |
| CN113833543A (en) * | 2021-09-07 | 2021-12-24 | 爱景节能科技（上海）有限公司 | Partial evaporation organic Rankine cycle waste heat recovery system with intermediate air supplement |
| CN113898432A (en) * | 2021-08-26 | 2022-01-07 | 广东工业大学 | CO (carbon monoxide)2Transcritical Rankine cycle method and application |
| CN114575951A (en) * | 2022-03-11 | 2022-06-03 | 河北工业大学 | Organic Rankine two-stage flash evaporation circulation system with gas-liquid ejector |
| CN114592931A (en) * | 2022-03-11 | 2022-06-07 | 河北工业大学 | Organic Rankine two-stage flash evaporation circulation system with liquid-liquid ejector |
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| CN113833543B (en) * | 2021-09-07 | 2023-11-03 | 爱景节能科技（上海）有限公司 | Partial evaporation organic Rankine cycle waste heat recovery system with middle air supplementing function |
| CN114575951A (en) * | 2022-03-11 | 2022-06-03 | 河北工业大学 | Organic Rankine two-stage flash evaporation circulation system with gas-liquid ejector |
| CN114592931A (en) * | 2022-03-11 | 2022-06-07 | 河北工业大学 | Organic Rankine two-stage flash evaporation circulation system with liquid-liquid ejector |
| CN114592931B (en) * | 2022-03-11 | 2023-06-06 | 河北工业大学 | Organic Rankine two-stage flash evaporation circulating system with liquid-liquid injector |
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