CN218862694U - Coupling system for series connection of heat pump cycle and organic Rankine cycle - Google Patents
Coupling system for series connection of heat pump cycle and organic Rankine cycle Download PDFInfo
- Publication number
- CN218862694U CN218862694U CN202320166576.XU CN202320166576U CN218862694U CN 218862694 U CN218862694 U CN 218862694U CN 202320166576 U CN202320166576 U CN 202320166576U CN 218862694 U CN218862694 U CN 218862694U
- Authority
- CN
- China
- Prior art keywords
- heat pump
- orc
- heat
- circulation
- cycle
- 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
Links
Images
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The utility model relates to the technical field of waste heat recovery, in particular to a coupling system for series connection of heat pump cycle and organic Rankine cycle; the system comprises an ORC evaporator and a coupling assembly, wherein the ORC evaporator is provided with a heat source inlet and a heat source outlet, and the coupling assembly comprises an ORC turbine, a heat pump circulating mechanism and a working medium pump; when the system works, the liquid circulating working medium absorbs energy from a heat source in the ORC evaporator and is evaporated into a gas state, then the gas enters the ORC turbine to expand and do work, the ORC turbine drives a motor to generate power or provides power for other parts, the circulating working medium flows out of the ORC turbine and then enters the heat pump circulating mechanism to be condensed into a liquid state, and the liquid working medium is pressurized by the working medium pump and then enters the ORC evaporator again to form circulation; the heat pump circulation mechanism recovers and utilizes energy loss of an ORC turbine in the ORC circulation and energy discharged by the condenser, and the heat pump circulation is used for raising the temperature and then providing the temperature for a heat user, so that ORC circulation power supply and heat pump circulation heat supply are realized.
Description
Technical Field
The utility model relates to a waste heat recovery technical field especially relates to a coupled system of heat pump cycle and organic rankine cycle series connection.
Background
An Organic Rankine Cycle (ORC) is a rankine cycle using organic matter with a low boiling point as a working medium, and can effectively utilize low-temperature waste heat to generate power or drive other power machines.
The invention patent with application number 201510198714.2 discloses a coupling system of an ORC cycle and a heat pump cycle, which comprises an organic Rankine cycle unit and a heat pump cycle unit which are coupled with each other, wherein the working medium of the organic Rankine cycle unit and the working medium of the heat pump cycle unit are the same, and the organic Rankine cycle unit and the heat pump cycle unit share the same ORC evaporator; when the working cycle heat pump works, the cycle working medium and the recovered low-temperature residual heat flow are subjected to heat exchange in the ORC evaporator and then are divided into two parts of gaseous working media, one part of the gaseous working media enters the expander to participate in ORC circulation, the other part of the gaseous working media enters the compressor to participate in heat pump circulation, the work done by the expander preferentially drives the compressor which is coaxially connected with the expander, the output of the high-temperature heat energy of the heat pump circulation is realized, and the rest part of the work drives the generator.
The technical scheme disclosed by the patent mainly generates power through ORC circulation, and provides power for the heat pump compressor to drive the heat pump to work circularly so as to realize thermoelectricity and supply.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a coupled system of heat pump cycle and organic rankine cycle series connection can carry out recycle to the energy loss of the ORC turbine in the ORC circulation and condenser exhaust energy, improves the economic nature.
In order to achieve the above object, the present invention provides a coupling system for series connection of a heat pump cycle and an organic rankine cycle, comprising an ORC evaporator and a coupling component, wherein the ORC evaporator has a heat source inlet and a heat source outlet, and the coupling component comprises an ORC turbine, a heat pump cycle mechanism and a working medium pump;
the ORC turbine is communicated with the ORC evaporator and is positioned on one side of the ORC evaporator; the heat pump circulating mechanism is communicated with the ORC turbine and is positioned on one side of the ORC turbine; and the working medium pump is respectively communicated with the heat pump circulating mechanism and the ORC evaporator and is positioned between the heat pump circulating mechanism and the ORC evaporator.
The heat pump circulating mechanism comprises a heat exchanger, a heat pump compressor, a heat pump condenser and an expansion valve;
the heat exchanger is respectively communicated with the ORC turbine and the working medium pump and is positioned between the ORC turbine and the working medium pump; the heat pump compressor is communicated with the heat exchanger and is positioned on one side of the heat exchanger; the heat pump condenser is communicated with the heat pump compressor and is positioned on one side of the heat pump compressor; the expansion valve is respectively communicated with the heat pump condenser and the heat exchanger and is positioned between the heat pump condenser and the heat exchanger.
The heat pump condenser is provided with a cold source inlet and a cold source outlet; the cold source inlet and the cold source outlet are respectively positioned on the side edge of the heat pump condenser.
The utility model discloses a coupled system of heat pump cycle and organic rankine cycle series connection, the during operation, liquid cycle working medium is in for the gaseous state from the evaporation of heat source absorbed energy in the ORC evaporimeter, get into afterwards ORC turbine expansion acting, the ORC turbine drives the motor electricity generation or for other parts provide power, and cycle working medium follows the ORC turbine flows the back and gets into heat pump circulation mechanism condensation is liquid, and liquid working medium warp get into the ORC evaporimeter again behind the working medium pump pressurization, form the circulation. The heat pump circulation mechanism recycles energy loss of an ORC turbine in the ORC circulation and energy discharged by a condenser, the temperature is raised through the heat pump circulation and then the heat is supplied to a heat user, and ORC circulation power supply and heat pump circulation heat supply are achieved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic structural diagram of the whole coupling system in series connection between a heat pump cycle and an organic rankine cycle according to the present invention.
The system comprises a 1-ORC evaporator, a 2-heat source inlet, a 3-heat source outlet, a 4-ORC turbine, a 5-heat pump circulating mechanism, a 6-working medium pump, a 7-heat exchanger, an 8-heat pump compressor, a 9-heat pump condenser, a 10-expansion valve, an 11-cold source inlet and a 12-cold source outlet.
Detailed Description
Referring to fig. 1, fig. 1 is a schematic structural diagram of an entire coupling system of a heat pump cycle and an organic rankine cycle in series according to the present invention.
The utility model provides a heat pump cycle and organic rankine cycle series coupling system, including ORC evaporimeter 1 and coupling assembly, ORC evaporimeter 1 has heat source import 2 and heat source export 3, the coupling assembly includes ORC turbine 4, heat pump circulation mechanism 5 and working medium pump 6; the heat pump circulating mechanism 5 comprises a heat exchanger 7, a heat pump compressor 8, a heat pump condenser 9 and an expansion valve 10; the heat pump condenser 9 has a cool source inlet 11 and a cool source outlet 12. By the scheme, energy loss of the ORC turbine 4 in the ORC circulation and energy discharged by the condenser can be recycled, and the economical efficiency is improved.
In the present embodiment, the heat source inlet 2 and the heat source outlet 3 are used for waste heat recovery, and are usually liquid or gas such as waste gas and waste water with a certain temperature, which can be heat-exchanged by the heat exchanger 7.
Wherein the ORC turbine 4 is communicated with the ORC evaporator 1 and is positioned at one side of the ORC evaporator 1; the heat pump circulation mechanism 5 is communicated with the ORC turbine 4 and is positioned at one side of the ORC turbine 4; and the working medium pump 6 is respectively communicated with the heat pump circulation mechanism 5 and the ORC evaporator 1 and is positioned between the heat pump circulation mechanism 5 and the ORC evaporator 1. When the working cycle system works, liquid cycle working media absorb energy from a heat source in the ORC evaporator 1 and are evaporated into a gas state, then the gas cycle working media enter the ORC turbine 4 to do work through expansion, the ORC turbine 4 drives a motor to generate power or provides power for other parts, the cycle working media flow out of the ORC turbine 4 and then enter the heat pump cycle mechanism 5 to be condensed into a liquid state, and the liquid working media are pressurized by the working medium pump 6 and then enter the ORC evaporator 1 again to form a cycle. The heat pump circulation mechanism 5 recovers and utilizes the energy loss of the ORC turbine 4 in the ORC circulation and the energy discharged by the condenser, and provides the energy to a heat user after the temperature is raised through the heat pump circulation, so that the ORC circulation power supply and the heat pump circulation heat supply are realized.
Secondly, the heat exchanger 7 is respectively communicated with the ORC turbine 4 and the working medium pump 6 and is positioned between the ORC turbine 4 and the working medium pump 6; the heat pump compressor 8 is communicated with the heat exchanger 7 and is positioned on one side of the heat exchanger 7; the heat pump condenser 9 is communicated with the heat pump compressor 8 and is positioned at one side of the heat pump compressor 8; the expansion valve 10 is respectively communicated with the heat pump condenser 9 and the heat exchanger 7 and is positioned between the heat pump condenser 9 and the heat exchanger 7. When the heat pump works, liquid heat pump circulating working media are evaporated in the heat exchanger 7 to become gaseous, then enter the heat pump compressor 8 for pressurization and heating, then enter the heat pump condenser 9, provide energy for users, and become high-pressure liquid working media, the liquid working media are depressurized through the expansion valve 10 and then enter the heat exchanger 7 again, and then enter the working medium pump 6 through the ORC condenser.
Meanwhile, the cold source inlet 11 and the cold source outlet 12 are respectively located at the side edges of the heat pump condenser 9. The cold source inlet 11 and the cold source outlet 12 are liquid or gaseous substances requiring heat, for example, when the cold source inlet 11 is air, the heat pump circularly heats the air, the function is similar to that of an air conditioner, and when the cold source inlet 11 is water, the heat pump circularly provides hot water.
The utility model discloses a coupled system of heat pump cycle and organic rankine cycle series connection, ORC turbine 4 the heat exchanger 7 with working medium pump 6 is the main part cover of ORC circulation, the heat exchanger 7 the heat pump compressor 8 the heat pump condenser 9 with expansion valve 10 is the main part cover of heat pump circulation, and ORC circulation and heat pump circulation share one heat exchanger 7, heat exchanger 7 is the circulating condenser of ORC, is the circulating evaporimeter of heat pump simultaneously.
When the working cycle system works, liquid cycle working media absorb energy from a heat source in the ORC evaporator 1 and evaporate into gaseous state, then enter the ORC turbine 4 to expand and do work, the ORC turbine 4 drives a motor to generate electricity or provide power for other parts, the cycle working media flow out of the ORC turbine 4 and enter the heat exchanger 7 to be evaporated into gaseous state, then enter the heat pump compressor 8 to pressurize and heat, then enter the heat pump condenser 9 to provide energy for users to become high-pressure liquid working media, the liquid working media flow is depressurized by the expansion valve 10 and then enter the heat exchanger 7 again to be condensed into liquid state, and the liquid working media flow into the ORC evaporator 1 again after being pressurized by the working media pump 6 when the liquid working media flow expands and contracts, so that cycle is formed.
According to the method, energy which needs to be discharged by ORC circulation is recycled by means of the mode that the ORC circulation is connected with the heat pump in series, the temperature is raised through the heat pump circulation and then the heat pump circulation is supplied to a heat user, ORC circulation power supply and heat pump circulation heat supply are achieved, the heat pump circulation is connected with the ORC circulation through only one heat exchanger 7, the heat pump circulation does not interfere with the ORC circulation, the ORC circulation can be independently controlled, and power generation quality and power generation amount are guaranteed; and the heat pump cycle can be independently adjusted to control the heat supply. Meanwhile, on the basis, the ORC turbine 4 and the heat pump compressor 8 can be linked through a coupler or a gear, the heat pump compressor 8 is driven by the ORC turbine 4, and a motor is not required to be driven in the heat pump cycle; the ORC turbine 4 adopts a single-stage or multi-stage axial flow mode, the heat pump compressor 8 adopts a single-stage, multi-stage or multi-stage centrifugal compressor, the requirement of heat source waste heat recovery with wide energy magnitude can be met, and power generation and heat supply with different power grades are realized.
While the above disclosure describes one or more preferred embodiments of the present invention, it is not intended to limit the scope of the claims to such embodiments, and one skilled in the art will understand that all or a portion of the processes performed in the above embodiments may be practiced without departing from the spirit and scope of the claims.
Claims (3)
1. A coupled system of a heat pump cycle in series with an organic Rankine cycle, comprising an ORC evaporator having a heat source inlet and a heat source outlet,
also includes a coupling component;
the coupling assembly comprises an ORC turbine, a heat pump circulating mechanism and a working medium pump;
the ORC turbine is communicated with the ORC evaporator and is positioned on one side of the ORC evaporator; the heat pump circulating mechanism is communicated with the ORC turbine and is positioned on one side of the ORC turbine; and the working medium pump is respectively communicated with the heat pump circulation mechanism and the ORC evaporator and is positioned between the heat pump circulation mechanism and the ORC evaporator.
2. A heat pump cycle and organic Rankine cycle coupled system in series as claimed in claim 1,
the heat pump circulating mechanism comprises a heat exchanger, a heat pump compressor, a heat pump condenser and an expansion valve;
the heat exchanger is respectively communicated with the ORC turbine and the working medium pump and is positioned between the ORC turbine and the working medium pump; the heat pump compressor is communicated with the heat exchanger and is positioned on one side of the heat exchanger; the heat pump condenser is communicated with the heat pump compressor and is positioned on one side of the heat pump compressor; the expansion valve is respectively communicated with the heat pump condenser and the heat exchanger and is positioned between the heat pump condenser and the heat exchanger.
3. A system of coupling a heat pump cycle and an organic Rankine cycle in series as set forth in claim 2,
the heat pump condenser is provided with a cold source inlet and a cold source outlet; the cold source inlet and the cold source outlet are respectively positioned on the side edge of the heat pump condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320166576.XU CN218862694U (en) | 2023-02-09 | 2023-02-09 | Coupling system for series connection of heat pump cycle and organic Rankine cycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320166576.XU CN218862694U (en) | 2023-02-09 | 2023-02-09 | Coupling system for series connection of heat pump cycle and organic Rankine cycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218862694U true CN218862694U (en) | 2023-04-14 |
Family
ID=87375218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320166576.XU Active CN218862694U (en) | 2023-02-09 | 2023-02-09 | Coupling system for series connection of heat pump cycle and organic Rankine cycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218862694U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118309530A (en) * | 2024-06-11 | 2024-07-09 | 青岛科技大学 | Quality integrated type waste heat utilization system and waste heat utilization method |
-
2023
- 2023-02-09 CN CN202320166576.XU patent/CN218862694U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118309530A (en) * | 2024-06-11 | 2024-07-09 | 青岛科技大学 | Quality integrated type waste heat utilization system and waste heat utilization method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3681434B2 (en) | Cogeneration system and combined cycle power generation system | |
| CA2564155A1 (en) | Highly efficient heat cycle device | |
| CN108005744B (en) | Supercritical CO 2 Circulating machine furnace cold energy recovery and power generation integrated heat supply method | |
| CN107941028A (en) | Sintering cooling power generation system using waste heat with organic Rankine bottoming cycle | |
| WO2020147270A1 (en) | Supercritical double-expansion two-stage regeneration organic rankine cycle system | |
| CN218862694U (en) | Coupling system for series connection of heat pump cycle and organic Rankine cycle | |
| CN110593977A (en) | Dual-working-medium Rankine cycle waste heat power generation method and system and generator | |
| CN111608741B (en) | ORC system for recycling waste heat of generator | |
| CN101666249B (en) | System and method for use in a combined or rankine cycle power plant | |
| CN208793051U (en) | A kind of Organic Rankine Cycle and heat pump driven cogeneration system | |
| CN207730035U (en) | Sintering with Organic Rankine Cycle cools down power generation system using waste heat | |
| CN113153475A (en) | Power-heat complementary supercritical CO2Power cycle power generation system | |
| CN110259537B (en) | Carbon dioxide Rankine cycle power system and operation method thereof | |
| JPH1122418A (en) | Steam plant | |
| CN116006283A (en) | Low-grade heat energy comprehensive utilization system | |
| CN212296518U (en) | Complementary flow type organic Rankine cycle system and two-stage expansion machine | |
| CN209875237U (en) | Supercritical double-expansion two-stage regenerative organic Rankine cycle system | |
| CN211082000U (en) | Organic Rankine and reverse Carnot cycle coupled waste heat recovery system | |
| CN210832157U (en) | Coal-fired unit heating system capable of recycling flue gas waste heat | |
| CN110593975B (en) | Organic Rankine and inverse Carnot cycle coupling waste heat recovery system | |
| CN103775146B (en) | A kind of air-cooled expansion power generator system | |
| CN114811990B (en) | Co-production system and method combining carbon dioxide power cycle and heat pump cycle | |
| CN114151153B (en) | A high-efficient heat recovery system for S-CO2 brayton cycle | |
| CN213270009U (en) | Lime kiln flue gas waste heat power generation system | |
| CN219605363U (en) | System for generating power by using waste heat of process waste hot water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |