CN109026234A - A kind of Organic Rankine Cycle and heat pump driven cogeneration system and combined heat and power method - Google Patents
A kind of Organic Rankine Cycle and heat pump driven cogeneration system and combined heat and power method Download PDFInfo
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- CN109026234A CN109026234A CN201811125698.4A CN201811125698A CN109026234A CN 109026234 A CN109026234 A CN 109026234A CN 201811125698 A CN201811125698 A CN 201811125698A CN 109026234 A CN109026234 A CN 109026234A
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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
- 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
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- 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
-
- 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
- F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
Abstract
A kind of Organic Rankine Cycle and heat pump driven cogeneration system and combined heat and power method are related to a kind of cogeneration system and combined heat and power method.It is to solve the problems, such as that existing industrial exhaust heat is not fully used.The system includes Organic Rankine Cycle unit, water circulation unit and heat pump cycle unit.First evaporator, turbine, the first condenser, fluid reservoir and working medium pump are sequentially connected in series by metallic conduit forms Organic Rankine Cycle unit；Water pump, the first condenser, the second evaporator and water tank are sequentially connected in series by metallic conduit and form water circulation unit；Throttle valve, the second evaporator, compressor and the second condenser are sequentially connected in series by metallic conduit forms heat pump cycle unit.This system is Organic Rankine Cycle unit and the cooperative system of heat pump cycle unit, which can make full use of residual heat resources, realizes cogeneration.The present invention is for realizing cogeneration in industrial production.
Description
Technical field
The present invention relates to a kind of cogeneration system and combined heat and power methods.
Background technique
Residual heat resources are closely related with each production process in industrial society as a kind of typical secondary energy sources, are
Non-renewable energy in conversion process of energy because the reasons such as combustion heat-exchange is insufficient it is remaining fail using heat, industrializing
Production procedure in largely generate and be drained into environment and generate thermal pollution.Waste heat in recycling industrial processes is to improve energy
The important channel of source utilization efficiency protection environment.
China is in the critical stage of energy low-carbon transition, and to account for social energy consumption total for the industrial energy consumption in China at present
70% or more of amount, therein 50% or more industrial energy consumption can be converted into the industrial exhaust heat that carrier is different, temperature is different, and
Major part can be recycled for heating or generating electricity.Organic Rankine Cycle is one of the effective means for carrying out the recycling of low-temperature industrial waste heat,
The energy recovery efficiency of Organic Rankine Cycle unit still has a large amount of industrial exhaust heat not obtain sufficiently only 10% or so at present
It utilizes.
Summary of the invention
The problem of not being fully used the present invention is to solve existing industrial exhaust heat provides a kind of organic Rankine and follows
Ring and heat pump driven cogeneration system and combined heat and power method.
Organic Rankine Cycle of the present invention and heat pump driven cogeneration system include Organic Rankine Cycle unit, water circulation
Unit and heat pump cycle unit.
The Organic Rankine Cycle unit include: the first evaporator, turbine, generator, the first condenser, fluid reservoir and
Working medium pump, first evaporator, turbine, the first condenser, fluid reservoir and working medium pump are sequentially connected in series by metallic conduit and are formed with
Machine Rankine cycle unit；
The water circulation unit includes: water pump, the first condenser, the second evaporator and water tank, the water pump, first cold
Condenser, the second evaporator and water tank are sequentially connected in series by metallic conduit and form water circulation unit；
The heat pump cycle unit includes: throttle valve, the second evaporator, compressor and the second condenser, the throttling
Valve, the second evaporator, compressor and the second condenser are sequentially connected in series by metallic conduit forms heat pump cycle unit；
The Organic Rankine Cycle and heat pump driven cogeneration system, Organic Rankine Cycle unit meet user's
Power demand, heat pump cycle unit meet the heat demand of user；
The generator and turbine of the Organic Rankine Cycle unit are coaxially connected.
Transmission device is equipped between the turbine and compressor, the axis connection of the transmission device one end and turbine is another
The axis connection at end and compressor realizes the coaxial operating of turbine and compressor, in the operating condition, the power generation of turbine drawing generator
And compressor operation is driven by transmission device.
The turbine uses runoff inward flow turbine, and compressor uses centrifugal compressor, and transmission device uses shaft coupling
Device.
The Organic Rankine Cycle unit and heat pump cycle unit uses identical organic working medium, the cycle fluid
For R134a or R245fa.
When work, residual heat resources enter heat source of first evaporator as Organic Rankine Cycle unit, water circulation unit
Water absorbs the lack of gas waste heat of Organic Rankine Cycle unit turbine outlet, the water circulation unit after heat absorption heating in the first condenser
Water enter heat source of second evaporator as heat pump cycle unit.The turbine and heat pump cycle unit of Organic Rankine Cycle unit
Compressor be coaxially connected, turbine work done a part of driven generator power generation, another part drives driven compressor heat pump
Cycling element, to realize the cogeneration of system.
The combined heat and power method of heat recovery is carried out using above-mentioned cogeneration system, specifically:
After the organic working medium that the residual heat resources of recycling enter in the first evaporator and Organic Rankine Cycle unit is exchanged heat
Residual heat resources flow back to Heat Treatment end and are discharged, and after organic working medium is changed into high-temperature gas working medium, drive into turbine
Turbine rotation acting, turbine drive electrical power generators, and it is cold that the low-temp low-pressure gaseous organic matter after turbine does work enters first
The interior water condensation by water circulation unit of condenser is low temperature liquid working medium, and low temperature liquid organic working medium is pressurizeed via working medium pump again to be entered
First evaporator completes Organic Rankine Cycle unit, realizes power supply.
The water of water circulation unit is stored in water tank, absorbs organic Rankine by flowing into the first condenser after water pump pressurization acting
The organic working medium lack of gas waste heat of cycling element turbine outlet, then flows into the second evaporator and transfers heat to heat pump cycle unit
Organic working medium after reflow tank, complete water circulation unit.
The organic working medium of heat pump cycle unit is in the second evaporator and after the water heat exchange heating in water circulation, into compression
It is changed into high pressure gaseous organic working medium after machine, high pressure gaseous organic working medium enters the second condenser and thermal medium to be added
Heat exchange, after heat exchange, Absorption of Medium gaseous organic matter heat to be heated flows into user's heat end and completes heat supply, high pressure gaseous
Organic working medium, which is changed into after low temperature liquid organic working medium inflow throttle valve is changed into low-temp low-pressure liquid organic working medium, flows into second
Evaporator completes heat pump cycle unit, realizes heat supply.
Beneficial effects of the present invention:
ORC (organic Rankine cycle) low-temperature cogeneration technology is the effective means for recycling low temperature exhaust heat, Organic Rankine Cycle power generation
Device is that circulatory mediator recycles industrial exhaust heat using the organic working medium of low boiling point.Heat pump techniques are efficient heat supply skills
Art, absorbing energy from low-temperature heat source by a part of high-grade energy of consumption and be transported to high temperature heat source is used.It will be organic
Rankine cycle technology is combined with heat pump techniques, can rationally realize the cascade utilization of residual heat resources, reduces additional electrical energy and fossil
The consumption of the energy, to reduce the destruction to environment.
The present invention is by setting up the cogeneration system of Organic Rankine Cycle unit and heat pump cycle unit, using organic bright
Agree cycling element and absorbs residual heat resources completion power generation, and Organic Rankine Cycle unit is not fully utilized by water circulation unit
Residual heat resources heat transfer is completed to heat to heat pump cycle unit, realizes the cascade utilization of residual heat resources.
For the present invention by the combined cycle of organic bright circulation and heat pump, it is real that utilization rate of waste heat can reach 20%-30% or so
The abundant recycling of residual heat resources is showed.By the coaxially connected of turbine and compressor, equipment takes up space about 20% is saved,
Reduce additional driving compressor power consumption simultaneously, reduces the thermal pollution to environment.
Detailed description of the invention
Fig. 1 is the schematic diagram of Organic Rankine Cycle and heat pump driven cogeneration system.
Specific embodiment
The technical solution of the present invention is not limited to the following list, further includes between each specific embodiment
Any combination.
Specific embodiment 1: present embodiment Organic Rankine Cycle includes organic with heat pump driven cogeneration system
Rankine cycle unit, water circulation unit and heat pump cycle unit；
The Organic Rankine Cycle unit includes the first evaporator 2, turbine 16, generator 17, the first condenser 15, storage
Flow container 5 and working medium pump 4, first evaporator 2, turbine 16, the first condenser 15, fluid reservoir 5 and working medium pump 4 are by metallic conduit
It is sequentially connected in series to form Organic Rankine Cycle unit；The generator 17 and turbine 16 are coaxially connected；
The water circulation unit includes water pump 6, the first condenser 15, the second evaporator 10 and water tank 7, the water pump 6,
First condenser 15, the second evaporator 10 and water tank 7 are sequentially connected in series by metallic conduit and form water circulation unit；
The Organic Rankine Cycle unit and water circulation unit share the first condenser 15；
The heat pump cycle unit includes throttle valve 8, the second evaporator 13, compressor 12 and the second condenser 10, institute
Throttle valve 8, the second evaporator 13, compressor 12 and the second condenser 10 is stated to be sequentially connected in series by metallic conduit and form heat pump cycle list
Member；
The water circulation unit and the second evaporator of heat pump cycle units shared 13；
Transmission device 14, the axis company of 14 one end of transmission device and turbine 16 are equipped between the turbine 16 and compressor 12
It connects, the axis connection of the other end and compressor 12.
Specific embodiment 2: the present embodiment is different from the first embodiment in that: the turbine 16 uses runoff
Inward flow turbine.It is other same as the specific embodiment one.
Specific embodiment 3: the present embodiment is different from the first and the second embodiment in that: the compressor 12 is adopted
Use centrifugal compressor.It is other the same as one or two specific embodiments.
Specific embodiment 4: unlike one of present embodiment and specific embodiment one to three: the transmission fills
14 are set using shaft coupling.It is other identical as one of specific embodiment one to three.
Specific embodiment 5: unlike one of present embodiment and specific embodiment one to four: described is organic
Rankine cycle unit and heat pump cycle unit use identical organic working medium.Other phases one of with specific embodiment one to four
Together.
Specific embodiment 6: present embodiment is unlike specific embodiment five: the organic working medium is
R134a or R245fa.It is other identical as specific embodiment five.
Specific embodiment 7: present embodiment combined heat and power method specifically:
The residual heat resources 1 of recycling exchange heat into the first evaporator 2 with the organic working medium in Organic Rankine Cycle unit
Residual heat resources 1 flow back to Heat Treatment end 3 and are discharged afterwards, after organic working medium is changed into high-temperature gas working medium, into turbine 16 from
And the rotation acting of turbine 16 is driven, turbine 16 drives generator 17 to generate electricity, and the gaseous organic matter after the acting of turbine 16 enters
In first condenser 15, by the water condensation of water circulation unit be low temperature liquid organic working medium, low temperature liquid organic working medium again via
The pressurization of working medium pump 4 enters the first evaporator 2, completes Organic Rankine Cycle unit, realizes power supply；
The water of water circulation unit is stored in water tank 7, by water pump 6 pressurization acting after flow into the first condenser 15 absorb it is organic
The organic working medium lack of gas waste heat that Rankine cycle unit turbine 16 exports, then flows into the second evaporator 13 and transfers heat to heat pump
Reflow tank 7 after the organic working medium of cycling element completes water circulation unit；
The organic working medium of heat pump cycle unit is in the second evaporator 13 and after the water heat exchange heating in water circulation, into pressure
Be changed into high pressure gaseous organic working medium after contracting machine 12, high pressure gaseous organic working medium enter the second condenser 10 with it is to be added
Thermal medium 9 exchanges heat, and after heat exchange, thermal medium 9 to be added absorbs gaseous organic matter heat and flows into the completion heat supply of user's heat end 11, high
Warm high-pressure gaseous organic working medium is changed into low temperature liquid organic working medium inflow throttle valve 8 and is changed into low-temp low-pressure liquid organic working medium
After flow into the second evaporator 13, complete heat pump cycle unit, realize heat supply.
Elaborate below to the embodiment of the present invention, following embodiment under the premise of the technical scheme of the present invention into
Row is implemented, and gives detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following realities
Apply example.
Embodiment 1:
It is illustrated with reference to Fig. 1 the present embodiment, the present embodiment Organic Rankine Cycle and heat pump driven cogeneration system, this is
System includes Organic Rankine Cycle unit, water circulation unit and heat pump cycle unit.Organic Rankine Cycle unit meets the use of user
Electricity demanding, heat pump cycle unit meet the heat demand of user.
Organic Rankine Cycle unit is by the first evaporator 2, turbine 16, generator 17, the first condenser 15,5 and of fluid reservoir
Working medium pump 4 form, first evaporator 2, turbine 16, the first condenser 15, fluid reservoir 5 and working medium pump 4 by metallic conduit according to
Secondary series connection, generator 17 and turbine 16 are coaxially connected；
Water circulation unit includes being made of water pump 6, the first condenser 15, the second evaporator 13 and water tank 7, the water pump 6,
First condenser 15, the second evaporator 13 and water tank 7 are sequentially connected in series by metallic conduit.
Heat pump cycle unit is made of throttle valve 8, the second evaporator 13, compressor 12 and the second condenser 10, the section
Stream valve 8, the second evaporator 13, compressor 12 and the second condenser 10 are sequentially connected in series by metallic conduit.
Organic Rankine Cycle unit and heat pump unit are connected by the transmission device 14 between turbine 16 and compressor 12, should
The axis connection of transmission device 14 one end and turbine 16, the axis connection of the other end and compressor 12 realize turbine 16 and compressor 12
Coaxial operating, in the operating condition, 16 drawing generator 17 of turbine generate electricity simultaneously by transmission device 14 drive compressor 12 transport
Row.
The turbine 16 uses runoff inward flow turbine, and compressor 12 uses centrifugal compressor, and transmission device 14 is adopted
Use shaft coupling.
The Organic Rankine Cycle unit and heat pump cycle unit uses identical organic working medium, and cycle fluid is
R134a or R245fa.
Cogeneration system carries out the combined heat and power method of heat recovery: the residual heat resources 1 of recycling in the present embodiment
Into the first evaporator 2, residual heat resources 1 flow back to Heat Treatment after being exchanged heat with the organic working medium in Organic Rankine Cycle unit
End 3 is discharged, after organic working medium is changed into high-temperature gas working medium, into turbine 16 to drive the rotation acting of turbine 16, thoroughly
Flat 16 drive generator 17 to generate electricity, and the low-temp low-pressure gaseous organic matter after the acting of turbine 16 enters quilt in the first condenser 15
The water condensation of water circulation unit is low temperature liquid working medium, and low temperature liquid organic working medium enters first via the pressurization of working medium pump 4 again and steams
Device 2 is sent out, Organic Rankine Cycle unit is completed, realizes power supply.
The water of water circulation unit is stored in water tank 7, by water pump 6 pressurization acting after flow into the first condenser 15 absorb it is organic
The organic working medium lack of gas waste heat that Rankine cycle unit turbine 16 exports, then flows into the second evaporator 13 and transfers heat to heat pump
Reflow tank 7 after the organic working medium of cycling element completes water circulation unit.
The organic working medium of heat pump cycle unit is in the second evaporator 13 and after the water heat exchange heating in water circulation, into pressure
Be changed into high pressure gaseous organic working medium after contracting machine 12, high pressure gaseous organic working medium enter the second condenser 10 with it is to be added
Thermal medium 9 exchanges heat, and after heat exchange, thermal medium 9 to be added absorbs gaseous organic matter heat and flows into the completion heat supply of user's heat end 11, high
Warm high-pressure gaseous organic working medium is changed into low temperature liquid organic working medium inflow throttle valve 8 and is changed into low-temp low-pressure liquid organic working medium
After flow into the second evaporator 13, complete heat pump cycle unit, realize heat supply.
When work, residual heat resources enter heat source of first evaporator as Organic Rankine Cycle unit, water circulation unit
Water absorbs the lack of gas waste heat of Organic Rankine Cycle unit turbine outlet, the water circulation unit after heat absorption heating in the first condenser
Water enter heat source of second evaporator as heat pump cycle unit.The turbine and heat pump cycle unit of Organic Rankine Cycle unit
Compressor be coaxially connected, turbine work done a part of driven generator power generation, another part drives driven compressor heat pump
Cycling element, to realize the cogeneration of system.
For the present embodiment by the combined cycle of organic bright circulation and heat pump, it is left that utilization rate of waste heat can reach 20%-30%
The right side,.The present embodiment not only realizes the abundant recycling of residual heat resources, saves cost and space, saves equipment takes up space
About 20%, while reducing additional driving compressor power consumption, reduce the thermal pollution to environment.
Claims (7)
1. a kind of Organic Rankine Cycle and heat pump driven cogeneration system, it is characterised in that the system includes that organic Rankine follows
Ring element, water circulation unit and heat pump cycle unit；
The Organic Rankine Cycle unit includes the first evaporator (2), turbine (16), generator (17), the first condenser
(15), fluid reservoir (5) and working medium pump (4), first evaporator (2), turbine (16), the first condenser (15), fluid reservoir (5)
It is sequentially connected in series with working medium pump (4) by metallic conduit and forms Organic Rankine Cycle unit；The generator (17) and turbine (16) are same
Axis connection；
The water circulation unit includes water pump (6), the first condenser (15), the second evaporator (10) and water tank (7), the water
Pump (6), the first condenser (15), the second evaporator (10) and water tank (7) are sequentially connected in series by metallic conduit and form water circulation unit；
The Organic Rankine Cycle unit and water circulation unit share the first condenser (15)；
The heat pump cycle unit includes throttle valve (8), the second evaporator (13), compressor (12) and the second condenser
(10), the throttle valve (8), the second evaporator (13), compressor (12) and the second condenser (10) are successively gone here and there by metallic conduit
Connection forms heat pump cycle unit；
The water circulation unit and the second evaporator of heat pump cycle units shared (13)；
Transmission device (14) are equipped between the turbine (16) and compressor (12), transmission device (14) one end and turbine (16)
Axis connection, the axis connection of the other end and compressor (12).
2. a kind of Organic Rankine Cycle according to claim 1 and heat pump driven cogeneration system, it is characterised in that:
The turbine (16) uses runoff inward flow turbine.
3. a kind of Organic Rankine Cycle according to claim 1 or 2 and heat pump driven cogeneration system, feature exist
In: the compressor (12) uses centrifugal compressor.
4. a kind of Organic Rankine Cycle according to claim 3 and heat pump driven cogeneration system, it is characterised in that:
The transmission device (14) uses shaft coupling.
5. a kind of Organic Rankine Cycle according to claim 3 and heat pump driven cogeneration system, it is characterised in that:
The Organic Rankine Cycle unit and heat pump cycle unit uses identical organic working medium.
6. a kind of Organic Rankine Cycle according to claim 5 and heat pump driven cogeneration system, it is characterised in that:
The organic working medium is R134a or R245fa.
7. the combined heat and power method carried out using cogeneration system described in claim 1, it is characterised in that this method is specific
Are as follows:
The residual heat resources (1) of recycling enter the first evaporator (2) and exchange heat with the organic working medium in Organic Rankine Cycle unit
Residual heat resources (1) flow back to Heat Treatment end (3) and are discharged afterwards, after organic working medium is changed into high-temperature gas working medium, into turbine
(16) to drive turbine (16) rotation acting, turbine (16) drives generator (17) power generation, the gas after turbine (16) acting
State organic working medium enters in the first condenser (15), is low temperature liquid organic working medium, Low Temperature Liquid by the water condensation of water circulation unit
State organic working medium enters the first evaporator (2) via working medium pump (4) pressurization again, completes Organic Rankine Cycle unit, realizes power supply；
The water of water circulation unit is stored in water tank (7), is had by flowing into the first condenser (15) after water pump (6) pressurization acting and absorbing
The organic working medium lack of gas waste heat of machine Rankine cycle unit turbine (16) outlet, then flows into the second evaporator (13) for heat transfer
To reflow tank (7) after the organic working medium of heat pump cycle unit, water circulation unit is completed；
The organic working medium of heat pump cycle unit is in the second evaporator (13) and after the water heat exchange heating in water circulation, into compression
Be changed into high pressure gaseous organic working medium after machine (12), high pressure gaseous organic working medium enter the second condenser (10) with to
Heat medium (9) heat exchange, after heat exchange, it is complete that thermal medium (9) to be added absorbs gaseous organic matter heat inflow user's heat end (11)
At heat supply, high pressure gaseous organic working medium is changed into low temperature liquid organic working medium inflow throttle valve (8) and is changed into low-temp low-pressure
It is flowed into after liquid organic working medium the second evaporator (13), completes heat pump cycle unit, realize heat supply.
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| CN110274389A (en) * | 2019-06-14 | 2019-09-24 | 哈尔滨理工大学 | A kind of novel heat pump water heater suitable for ship |
| CN111578555A (en) * | 2020-05-26 | 2020-08-25 | 上海齐耀螺杆机械有限公司 | Steam waste heat recovery compression refrigeration system and working method thereof |
| CN112343677A (en) * | 2019-08-09 | 2021-02-09 | 国家电投集团科学技术研究院有限公司 | Energy storage system based on high-low temperature heat storage and reverse organic Rankine cycle electricity storage |
| CN113153455A (en) * | 2020-12-01 | 2021-07-23 | 中国船舶重工集团公司第七0三研究所 | Radial flow turbine axial force self-adaptive control method |
| CN114183213A (en) * | 2021-11-30 | 2022-03-15 | 西安西热节能技术有限公司 | Multi-mode combined heat and power generation system suitable for low-grade waste heat recovery |
| CN114718680A (en) * | 2022-04-06 | 2022-07-08 | 西安热工研究院有限公司 | Supercritical CO integrated with multistage compression heat pump2Cogeneration system and method |
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