CN111721016A - First-class thermally-driven compression heat pump - Google Patents
First-class thermally-driven compression heat pump Download PDFInfo
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- CN111721016A CN111721016A CN201911426741.5A CN201911426741A CN111721016A CN 111721016 A CN111721016 A CN 111721016A CN 201911426741 A CN201911426741 A CN 201911426741A CN 111721016 A CN111721016 A CN 111721016A
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- 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
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/06—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using expanders
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- 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
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/08—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using ejectors
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Abstract
The invention provides a first-class thermally-driven compression heat pump, and belongs to the technical field of power, refrigeration and heat pumps. The exterior of the heat pump is communicated with a heated medium channel, the spray pipe is also communicated with a diffuser pipe through a low-temperature heat exchanger, the diffuser pipe is also communicated with an expansion speed increaser through a high-temperature heat exchanger, the expansion speed increaser is also communicated with the exterior through a heated medium channel, the high-temperature heat exchanger is also communicated with the exterior through a high-temperature heat medium channel, and the low-temperature heat exchanger is also communicated with the exterior through a low-temperature heat medium channel to form a first-type heat-driven compression heat pump.
Description
The technical field is as follows:
the invention belongs to the technical field of power, refrigeration and heat pumps.
Background art:
the heat demand and the cold demand are common in human life and production, are provided by corresponding devices according to a certain work flow, and have great significance in realizing the rationalization of the flow and the simplification of the devices. In the technical field of refrigeration and heat pumps, the first type of thermally driven compression heat pump can simply, actively and efficiently realize effective utilization of temperature difference and energy difference, and realize rationalization on the working flow; the compressor, the expander and the heat exchanger are indispensable cores and essential components from the viewpoint of constituting the first type of thermally driven compression heat pump; the compressor and the expander are difficult to manufacture, high in material requirement and high in manufacturing cost, so that science and technology personnel are required to try to simplify components, the manufacturing difficulty and the manufacturing cost of the first-class thermally driven compression heat pump are reduced, and the popularization and application range of the first-class thermally driven compression heat pump is further widened.
The invention provides a first-class thermally driven compression heat pump which replaces a compressor by a diffuser pipe, replaces an expansion machine by an expansion speed increaser or a spray pipe and directly uses a heated medium as a working medium on the basis of keeping or effectively improving the performance index of the first-class thermally driven compression heat pump and effectively reducing the manufacturing difficulty and the manufacturing cost of the first-class thermally driven compression heat pump.
The invention content is as follows:
the invention mainly aims to provide a first-class thermally-driven compression heat pump which uses a diffuser pipe to replace a compressor, uses an expansion speed increaser or a spray pipe to replace an expansion machine and directly uses a heated medium as a working medium; the specific invention content is described in the following items:
1. the first kind of thermally driven compression heat pump mainly comprises a diffuser pipe, an expander, a second expander, a spray pipe, a second spray pipe, a high-temperature heat exchanger and a low-temperature heat exchanger; the external part is communicated with a heated medium channel, the expander, the heated medium channel, the diffuser pipe, the heated medium channel, the high-temperature heat exchanger and the low-temperature heat exchanger are communicated with the expander, the diffuser pipe, the heated medium channel, the high-temperature heat exchanger and the low-temperature heat exchanger are communicated with the second expander, the heated medium channel, the high-temperature heat exchanger and the low-temperature heat exchanger are communicated with the external part, and a first-class thermally-driven compression heat pump is formed.
2. The first kind of thermally driven compression heat pump mainly comprises a diffuser pipe, a high-temperature heat exchanger, a low-temperature heat exchanger, an expansion speed increaser and a second expansion speed increaser; the external part is provided with a heated medium channel communicated with an expansion speed increaser, the expansion speed increaser is also provided with a heated medium channel communicated with a diffuser pipe through a low-temperature heat exchanger, the diffuser pipe is also provided with a heated medium channel communicated with a second expansion speed increaser through a high-temperature heat exchanger, the second expansion speed increaser is also provided with a heated medium channel communicated with the external part, the high-temperature heat exchanger is also provided with a high-temperature heat medium channel communicated with the external part, and the low-temperature heat exchanger is also provided with a low-temperature heat medium channel communicated with the external part, so that the first-class heat-.
3. The first kind of thermally driven compression heat pump mainly comprises a diffuser pipe, an expander, a spray pipe, a second spray pipe, a high-temperature heat exchanger and a low-temperature heat exchanger; the exterior of the heat exchanger is communicated with a heated medium channel, the spray pipe is also communicated with a diffuser pipe through a low-temperature heat exchanger, the diffuser pipe is also communicated with a heated medium channel through a high-temperature heat exchanger, the expander is also communicated with the exterior of the heat exchanger through a second spray pipe, the high-temperature heat exchanger is also communicated with the exterior of the heat exchanger, and the low-temperature heat exchanger is also communicated with the exterior of the heat exchanger through a low-temperature heat medium channel to form a first-class heat-driven compression heat pump.
4. The first kind of thermally driven compression heat pump consists of mainly diffuser pipe, nozzle, high temperature heat exchanger, low temperature heat exchanger and expansion speed increaser; the exterior of the heat pump is communicated with a heated medium channel, the spray pipe is also communicated with a diffuser pipe through a low-temperature heat exchanger, the diffuser pipe is also communicated with an expansion speed increaser through a high-temperature heat exchanger, the expansion speed increaser is also communicated with the exterior through a heated medium channel, the high-temperature heat exchanger is also communicated with the exterior through a high-temperature heat medium channel, and the low-temperature heat exchanger is also communicated with the exterior through a low-temperature heat medium channel to form a first-type heat-driven compression heat pump.
5. The first kind of thermally driven compression heat pump mainly comprises a diffuser pipe, an expander, a spray pipe, a second spray pipe, a high-temperature heat exchanger and a low-temperature heat exchanger; the external part is provided with a heated medium channel communicated with the expander, the expander and the heated medium channel are communicated with a diffuser pipe through a second spray pipe and a low-temperature heat exchanger, the diffuser pipe and the heated medium channel are communicated with the spray pipe through a high-temperature heat exchanger, the spray pipe and the heated medium channel are communicated with the external part, the high-temperature heat exchanger and a high-temperature heat medium channel are communicated with the external part, and the low-temperature heat exchanger and a low-temperature heat medium channel are communicated with the external part to form a first-class thermally-driven compression heat pump.
6. The first kind of thermally driven compression heat pump consists of mainly diffuser pipe, nozzle, high temperature heat exchanger, low temperature heat exchanger and expansion speed increaser; the external part is provided with a heated medium channel which is communicated with an expansion speed increaser, the expansion speed increaser is also provided with a heated medium channel which is communicated with a diffuser pipe through a low-temperature heat exchanger, the diffuser pipe is also provided with a heated medium channel which is communicated with a spray pipe through a high-temperature heat exchanger, the spray pipe is also provided with a heated medium channel which is communicated with the external part, the high-temperature heat exchanger is also provided with a high-temperature heat medium channel which is communicated with the external part, and the low-temperature heat exchanger is also provided with a low-temperature heat medium channel which is communicated.
7. The first kind of thermally driven compression heat pump mainly comprises a diffuser pipe, a high-temperature heat exchanger, a low-temperature heat exchanger, an expansion speed increaser, a second expansion speed increaser and a heat regenerator; the external part is provided with a heated medium channel communicated with an expansion speed increaser, the expansion speed increaser is also provided with a heated medium channel communicated with a diffuser pipe through a low-temperature heat exchanger, the diffuser pipe is also provided with a heated medium channel communicated with a second expansion speed increaser through a heat regenerator and a high-temperature heat exchanger, the second expansion speed increaser is also provided with a heated medium channel communicated with the external part through the heat regenerator, the high-temperature heat exchanger is also provided with a high-temperature heat medium channel communicated with the external part, and the low-temperature heat exchanger is also provided with a low-temperature heat medium channel communicated with the external part to form a first-class thermally.
8. The first kind of thermally driven compression heat pump mainly comprises a diffuser pipe, a high-temperature heat exchanger, a low-temperature heat exchanger, an expansion speed increaser, a second expansion speed increaser and a heat regenerator; the external part is provided with a heated medium channel which is communicated with an expansion speed increaser through a heat regenerator, the expansion speed increaser is also provided with a heated medium channel which is communicated with a diffuser pipe through a low-temperature heat exchanger and the heat regenerator, the diffuser pipe is also provided with a heated medium channel which is communicated with a second expansion speed increaser through a high-temperature heat exchanger, the second expansion speed increaser is also provided with a heated medium channel which is communicated with the external part, the high-temperature heat exchanger is also provided with a high-temperature heat medium channel which is communicated with the external part, and the low-temperature heat exchanger is also provided with a low-temperature heat medium channel which is.
9. The first kind of thermally driven compression heat pump consists of mainly diffuser pipe, nozzle, high temperature heat exchanger, low temperature heat exchanger, expansion speed increaser and heat regenerator; the exterior of the heat pump is communicated with a heated medium channel, the spray pipe is also communicated with a diffuser pipe through a low-temperature heat exchanger, the diffuser pipe is also communicated with an expansion speed increaser through a heat regenerator and a high-temperature heat exchanger, the expansion speed increaser is also communicated with the exterior of the heat exchanger through the heat regenerator, the high-temperature heat exchanger is also communicated with the exterior of the heat pump through a high-temperature heat medium channel, and the low-temperature heat exchanger is also communicated with the exterior of the heat pump through a low-temperature heat medium channel to form a first-class heat-driven compression heat pump.
10. The first kind of thermally driven compression heat pump consists of mainly diffuser pipe, nozzle, high temperature heat exchanger, low temperature heat exchanger, expansion speed increaser and heat regenerator; the exterior of the heat pump is provided with a heated medium channel which is communicated with a spray pipe through a heat regenerator, the spray pipe is also provided with a heated medium channel which is communicated with a diffuser pipe through a low-temperature heat exchanger and the heat regenerator, the diffuser pipe is also provided with a heated medium channel which is communicated with an expansion speed increaser through a high-temperature heat exchanger, the expansion speed increaser is also communicated with the exterior, the high-temperature heat exchanger is also provided with a high-temperature heat medium channel which is communicated with the exterior, and the low-temperature heat exchanger is also provided with a low-temperature heat medium channel which is communicated with the exterior.
11. The first kind of thermally driven compression heat pump consists of mainly diffuser pipe, nozzle, high temperature heat exchanger, low temperature heat exchanger, expansion speed increaser and heat regenerator; the exterior of the expansion speed increaser is provided with a heated medium channel which is communicated with the expansion speed increaser, the heated medium channel of the expansion speed increaser is communicated with a diffuser pipe through a low-temperature heat exchanger, the diffuser pipe is provided with a heated medium channel which is communicated with a spray pipe through a heat regenerator and a high-temperature heat exchanger, the spray pipe is also provided with a heated medium channel which is communicated with the exterior through the heat regenerator, the high-temperature heat exchanger is also provided with a high-temperature heat medium channel which is communicated with the exterior, and the low-temperature heat exchanger is also provided with a low-temperature heat medium channel which.
12. The first kind of thermally driven compression heat pump consists of mainly diffuser pipe, nozzle, high temperature heat exchanger, low temperature heat exchanger, expansion speed increaser and heat regenerator; the external part is provided with a heated medium channel which is communicated with an expansion speed increaser through a heat regenerator, the expansion speed increaser is also provided with a heated medium channel which is communicated with a diffuser pipe through a low-temperature heat exchanger and the heat regenerator, the diffuser pipe is provided with a heated medium channel which is communicated with a spray pipe through a high-temperature heat exchanger, the spray pipe is also provided with a heated medium channel which is communicated with the external part, the high-temperature heat exchanger is also provided with a high-temperature heat medium channel which is communicated with the external part, and the low-temperature heat exchanger is also provided with a low-temperature heat medium channel which.
13. A first kind of thermally driven compression heat pump, which is any one of the first kind of thermally driven compression heat pumps described in items 1-6, 8, 10, and 12, wherein a second heat supply device is added, a low-temperature heat medium channel for communicating a low-temperature heat exchanger with the outside is eliminated, the high-temperature heat exchanger having a high-temperature heat medium channel communicated with the outside is adjusted to have a high-temperature heat medium channel communicated with the outside in sequence, the low-temperature heat exchanger having a high-temperature heat medium channel communicated with the outside after the second heat supply device and the low-temperature heat exchanger are communicated with the outside, and the second heat supply device further having a heated medium channel communicated with the outside, thereby forming the first kind of thermally driven compression heat pump.
Description of the drawings:
fig. 1 is a diagram of a first principle thermodynamic system of a first type of thermally driven compression heat pump according to the present invention.
Fig. 2 is a schematic diagram of a 2 nd principle thermodynamic system of a first type of thermally driven compression heat pump according to the present invention.
Fig. 3 is a diagram of a 3 rd principle thermodynamic system of a first type of thermally driven compression heat pump according to the present invention.
Fig. 4 is a diagram of a 4 th principle thermodynamic system of a first type of thermally driven compression heat pump according to the present invention.
Fig. 5 is a diagram of a 5 th principle thermodynamic system of a first type of thermally driven compression heat pump according to the present invention.
Fig. 6 is a diagram of a 6 th principle thermodynamic system of a first type of thermally driven compression heat pump according to the present invention.
Fig. 7 is a diagram of a 7 th principle thermodynamic system of a first type of thermally driven compression heat pump according to the present invention.
Fig. 8 is a diagram of 8 th principle thermodynamic system of a first type of thermally driven compression heat pump according to the present invention.
Fig. 9 is a diagram of a 9 th principle thermodynamic system of a first type of thermally driven compression heat pump according to the present invention.
Fig. 10 is a diagram of a 10 th principle thermodynamic system of a first type of thermally driven compression heat pump according to the present invention.
Fig. 11 is a diagram of a 11 th principle thermodynamic system of a first type of thermally driven compression heat pump according to the present invention.
Fig. 12 is a diagram of a 12 th principle thermodynamic system of a first type of thermally driven compression heat pump provided in accordance with the present invention.
Fig. 13 is a 13 th principle thermodynamic system diagram of a first type of thermally driven compression heat pump provided in accordance with the present invention.
In the figure, 1-diffuser pipe, 2-expander, 3-second expander, 4-nozzle, 5-second nozzle, 6-high temperature heat exchanger, 7-low temperature heat exchanger, 8-expansion speed increaser, 9-second expansion speed increaser, 10-heat regenerator, 11-second heat supplier; the expansion speed increaser is a device which can realize double functions of pressure reduction work and pressure reduction speed increaser under a certain pressure drop, and is a combination of the expansion machine and a spray pipe, or a combination of the spray pipe and a turbine, or other devices with the same function.
The specific implementation mode is as follows:
it is to be noted that, in the description of the structure and the flow, the repetition is not necessary; obvious flow is not described. The invention is described in detail below with reference to the figures and examples.
The first type of thermally driven compression heat pump shown in fig. 1 is realized by:
(1) structurally, the expansion pipe mainly comprises a diffuser pipe, an expander, a second expander, a spray pipe, a second spray pipe, a high-temperature heat exchanger and a low-temperature heat exchanger; the external part is provided with a heated medium channel which is communicated with the expander 2, the expander 2 is also provided with a heated medium channel which is communicated with the diffuser pipe 1 through a spray pipe 4 and a low-temperature heat exchanger 7, the diffuser pipe 1 is also provided with a heated medium channel which is communicated with the second expander 3 through a high-temperature heat exchanger 6, the second expander 3 is also provided with a heated medium channel which is communicated with the external part through a second spray pipe 5, the high-temperature heat exchanger 6 is also provided with a high-temperature heat medium channel which is communicated with the external part, and the low-temperature heat exchanger 7 is also provided with a low-temperature heat medium channel.
(2) In the process, an external heated medium flows through the expander 2 to reduce the pressure and do work, flows through the spray pipe 4 to reduce the pressure and increase the speed, flows through the low-temperature heat exchanger 7 to absorb heat, flows through the diffuser pipe 1 to increase the pressure and increase the temperature and reduce the speed, flows through the high-temperature heat exchanger 6 to absorb heat, flows through the second expander 3 to reduce the pressure and do work, flows through the spray pipe 5 to reduce the pressure and increase the speed, and is discharged outwards; the work output by the expander 2 and the second expander 3 is provided externally, the high-temperature heat medium provides a driving heat load through the high-temperature heat exchanger 6, the medium-temperature heat load is obtained by the heated medium through an inlet and outlet flow, and the low-temperature heat medium provides a low-temperature heat load through the low-temperature heat exchanger 7, so that the first-class thermally driven compression heat pump is formed.
The first type of thermally driven compression heat pump shown in fig. 2 is realized by:
(1) structurally, the expansion-speed reducer mainly comprises a diffuser pipe, a high-temperature heat exchanger, a low-temperature heat exchanger, an expansion speed-increasing machine and a second expansion speed-increasing machine; the external part is provided with a heated medium channel which is communicated with an expansion speed increasing machine 8, the expansion speed increasing machine 8 is also provided with a heated medium channel which is communicated with a diffuser pipe 1 through a low-temperature heat exchanger 7, the diffuser pipe 1 is also provided with a heated medium channel which is communicated with a second expansion speed increasing machine 9 through a high-temperature heat exchanger 6, the second expansion speed increasing machine 9 is also provided with a heated medium channel which is communicated with the external part, the high-temperature heat exchanger 6 is also provided with a high-temperature heat medium channel which is communicated with the external part, and the low-temperature heat exchanger 7 is also provided with a low-temperature heat medium channel.
(2) In the process, an external heated medium flows through the expansion speed increasing machine 8 to perform pressure reduction work and pressure reduction speed increase, flows through the low-temperature heat exchanger 7 to absorb heat, flows through the diffuser pipe 1 to perform pressure increase and temperature increase and speed reduction, flows through the high-temperature heat exchanger 6 to absorb heat, flows through the second expansion speed increasing machine 9 to perform pressure reduction work and pressure reduction speed increase, and is discharged outwards; the work output by the expansion speed increaser 8 and the second expansion speed increaser 9 is provided externally, the high-temperature heat medium provides a driving heat load through the high-temperature heat exchanger 6, the medium-temperature heat load is obtained by the heated medium through an inlet and outlet flow, and the low-temperature heat medium provides a low-temperature heat load through the low-temperature heat exchanger 7, so that the first-class heat driving compression heat pump is formed.
The first type of thermally driven compression heat pump shown in fig. 3 is realized by:
(1) structurally, the expansion pipe mainly comprises a diffuser pipe, an expander, a spray pipe, a second spray pipe, a high-temperature heat exchanger and a low-temperature heat exchanger; the exterior is communicated with a heated medium channel and a spray pipe 4, the spray pipe 4 and the heated medium channel are communicated with a diffuser pipe 1 through a low-temperature heat exchanger 7, the diffuser pipe 1 and the heated medium channel are communicated with an expander 2 through a high-temperature heat exchanger 6, the expander 2 and the heated medium channel are communicated with the exterior through a second spray pipe 5, the high-temperature heat exchanger 6 and the high-temperature heat medium channel are communicated with the exterior, and the low-temperature heat exchanger 7 and the low-temperature heat medium channel are communicated with the exterior.
(2) In the process, an external heated medium flows through the spray pipe 4 to be depressurized and accelerated, flows through the low-temperature heat exchanger 7 to absorb heat, flows through the diffuser pipe 1 to be pressurized, heated and decelerated, flows through the high-temperature heat exchanger 6 to absorb heat, flows through the expander 2 to be depressurized and done with work, flows through the second spray pipe 5 to be depressurized and accelerated, and then is discharged outwards; work output by the expansion machine 2 is provided externally, a high-temperature heat medium provides driving heat load through a high-temperature heat exchanger 6, a heated medium obtains medium-temperature heat load through an inlet and outlet flow, and a low-temperature heat medium provides low-temperature heat load through a low-temperature heat exchanger 7, so that the first-class thermally driven compression heat pump is formed.
The first type of thermally driven compression heat pump shown in fig. 4 is realized by:
(1) structurally, the device mainly comprises a diffuser pipe, a spray pipe, a high-temperature heat exchanger, a low-temperature heat exchanger and an expansion speed increaser; the exterior is communicated with a heated medium channel and a spray pipe 4, the spray pipe 4 and the heated medium channel are communicated with a diffuser pipe 1 through a low-temperature heat exchanger 7, the diffuser pipe 1 and the heated medium channel are communicated with an expansion speed increaser 8 through a high-temperature heat exchanger 6, the expansion speed increaser 8 and the heated medium channel are communicated with the exterior, the high-temperature heat exchanger 6 and the high-temperature heat medium channel are communicated with the exterior, and the low-temperature heat exchanger 7 and the low-temperature heat medium channel are communicated with the exterior.
(2) In the process, an external heated medium flows through the spray pipe 4 to be depressurized and accelerated, flows through the low-temperature heat exchanger 7 to absorb heat, flows through the diffuser pipe 1 to be boosted, heated and decelerated, flows through the high-temperature heat exchanger 6 to absorb heat, flows through the expansion speed increaser 8 to be depressurized, done work and depressurized and accelerated, and then is discharged outwards; work output by the expansion speed increaser 8 is provided externally, a high-temperature heat medium provides driving heat load through the high-temperature heat exchanger 6, a heated medium obtains medium-temperature heat load through an inlet and outlet flow, and a low-temperature heat medium provides low-temperature heat load through the low-temperature heat exchanger 7, so that the first-class heat driving compression heat pump is formed.
The first type of thermally driven compression heat pump shown in fig. 5 is realized by:
(1) structurally, the expansion pipe mainly comprises a diffuser pipe, an expander, a spray pipe, a second spray pipe, a high-temperature heat exchanger and a low-temperature heat exchanger; the external part is provided with a heated medium channel communicated with the expander 2, the expander 2 is also provided with a heated medium channel communicated with the diffuser pipe 1 through a second spray pipe 5 and a low-temperature heat exchanger 7, the diffuser pipe 1 is also provided with a heated medium channel communicated with the spray pipe 4 through a high-temperature heat exchanger 6, the spray pipe 4 is also provided with a heated medium channel communicated with the external part, the high-temperature heat exchanger 6 is also provided with a high-temperature heat medium channel communicated with the external part, and the low-temperature heat exchanger 7 is also provided with a low-temperature heat medium channel communicated with the external part.
(2) In the flow, an external heated medium flows through the expander 2 to reduce the pressure and do work, flows through the second spray pipe 5 to reduce the pressure and increase the speed, flows through the low-temperature heat exchanger 7 to absorb heat, flows through the diffuser pipe 1 to increase the pressure and increase the temperature and reduce the speed, flows through the high-temperature heat exchanger 6 to absorb heat, flows through the spray pipe 4 to reduce the pressure and increase the speed, and is discharged outwards; work output by the expansion machine 2 is provided externally, a high-temperature heat medium provides driving heat load through a high-temperature heat exchanger 6, a heated medium obtains medium-temperature heat load through an inlet and outlet flow, and a low-temperature heat medium provides low-temperature heat load through a low-temperature heat exchanger 7, so that the first-class thermally driven compression heat pump is formed.
The first type of thermally driven compression heat pump shown in fig. 6 is realized by:
(1) structurally, the device mainly comprises a diffuser pipe, a spray pipe, a high-temperature heat exchanger, a low-temperature heat exchanger and an expansion speed increaser; the external part is provided with a heated medium channel which is communicated with an expansion speed increaser 8, the expansion speed increaser 8 and a heated medium channel are communicated with a diffuser pipe 1 through a low-temperature heat exchanger 7, the diffuser pipe 1 and the heated medium channel are communicated with a spray pipe 4 through a high-temperature heat exchanger 6, the spray pipe 4 and the heated medium channel are communicated with the external part, the high-temperature heat exchanger 6 and a high-temperature heat medium channel are communicated with the external part, and the low-temperature heat exchanger 7 and a low-temperature heat medium channel are communicated with the external part.
(2) In the flow, an external heated medium flows through the expansion speed increaser 8 to reduce the pressure, do work and increase the speed, flows through the low-temperature heat exchanger 7 to absorb heat, flows through the diffuser pipe 1 to increase the pressure, increase the temperature and decrease the speed, flows through the high-temperature heat exchanger 6 to absorb heat, flows through the spray pipe 4 to reduce the pressure and increase the speed, and is discharged outwards; work output by the expansion speed increaser 8 is provided externally, a high-temperature heat medium provides driving heat load through the high-temperature heat exchanger 6, a heated medium obtains medium-temperature heat load through an inlet and outlet flow, and a low-temperature heat medium provides low-temperature heat load through the low-temperature heat exchanger 7, so that the first-class heat driving compression heat pump is formed.
The first type of thermally driven compression heat pump shown in fig. 7 is realized by:
(1) structurally, the expansion pipe mainly comprises a diffuser pipe, a high-temperature heat exchanger, a low-temperature heat exchanger, an expansion speed increaser, a second expansion speed increaser and a heat regenerator; the external part is provided with a heated medium channel which is communicated with an expansion speed increasing machine 8, the expansion speed increasing machine 8 is also provided with a heated medium channel which is communicated with a diffuser pipe 1 through a low-temperature heat exchanger 7, the diffuser pipe 1 is also provided with a heated medium channel which is communicated with a second expansion speed increasing machine 9 through a heat regenerator 10 and a high-temperature heat exchanger 6, the second expansion speed increasing machine 9 is also provided with a heated medium channel which is communicated with the external part through the heat regenerator 10, the high-temperature heat exchanger 6 is also provided with a high-temperature heat medium channel which is communicated with the external part, and the low-temperature heat exchanger 7 is also provided with a low-temperature heat.
(2) In the process, an external heated medium flows through the expansion speed increasing machine 8 to perform pressure reduction work and pressure reduction speed increase, flows through the low-temperature heat exchanger 7 to absorb heat, flows through the diffuser pipe 1 to perform pressure increase and temperature increase and speed reduction, flows through the heat regenerator 10 and the high-temperature heat exchanger 6 to gradually absorb heat, flows through the second expansion speed increasing machine 9 to perform pressure reduction work and pressure reduction speed increase, flows through the heat regenerator 10 to release heat, and is then externally discharged; the work output by the expansion speed increaser 8 and the second expansion speed increaser 9 is provided externally, the high-temperature heat medium provides a driving heat load through the high-temperature heat exchanger 6, the medium-temperature heat load is obtained by the heated medium through an inlet and outlet flow, and the low-temperature heat medium provides a low-temperature heat load through the low-temperature heat exchanger 7, so that the first-class heat driving compression heat pump is formed.
The first type of thermally driven compression heat pump shown in fig. 8 is realized by:
(1) structurally, the expansion pipe mainly comprises a diffuser pipe, a high-temperature heat exchanger, a low-temperature heat exchanger, an expansion speed increaser, a second expansion speed increaser and a heat regenerator; the external part is provided with a heated medium channel which is communicated with an expansion speed increasing machine 8 through a heat regenerator 10, the expansion speed increasing machine 8 is also provided with a heated medium channel which is communicated with a diffuser pipe 1 through a low-temperature heat exchanger 7 and the heat regenerator 10, the diffuser pipe 1 is also provided with a heated medium channel which is communicated with a second expansion speed increasing machine 9 through a high-temperature heat exchanger 6, the second expansion speed increasing machine 9 is also provided with a heated medium channel which is communicated with the external part, the high-temperature heat exchanger 6 is also provided with a high-temperature heat medium channel which is communicated with the external part, and the low-temperature heat exchanger 7 is also provided with a low-temperature heat.
(2) In the process, an external heated medium flows through the heat regenerator 10 and releases heat, flows through the expansion speed increaser 8 and performs pressure reduction, work application and pressure reduction and speed increase, flows through the low-temperature heat exchanger 7 and the heat regenerator 10 and gradually absorbs heat, flows through the diffuser pipe 1 and performs pressure increase, temperature increase and speed reduction, flows through the high-temperature heat exchanger 6 and absorbs heat, flows through the second expansion speed increaser 9 and performs pressure reduction, work application and pressure reduction and speed increase, and is then externally discharged; the work output by the expansion speed increaser 8 and the second expansion speed increaser 9 is provided externally, the high-temperature heat medium provides a driving heat load through the high-temperature heat exchanger 6, the medium-temperature heat load is obtained by the heated medium through an inlet and outlet flow, and the low-temperature heat medium provides a low-temperature heat load through the low-temperature heat exchanger 7, so that the first-class heat driving compression heat pump is formed.
The first type of thermally driven compression heat pump shown in fig. 9 is realized by:
(1) structurally, the heat exchanger mainly comprises a diffuser pipe, a spray pipe, a high-temperature heat exchanger, a low-temperature heat exchanger, an expansion speed increaser and a heat regenerator; the exterior is communicated with a heated medium channel and a spray pipe 4, the spray pipe 4 and the heated medium channel are communicated with a diffuser pipe 1 through a low-temperature heat exchanger 7, the diffuser pipe 1 and the heated medium channel are communicated with an expansion speed increaser 8 through a heat regenerator 10 and a high-temperature heat exchanger 6, the expansion speed increaser 8 and the heated medium channel are communicated with the exterior through the heat regenerator 10, the high-temperature heat exchanger 6 and a high-temperature heat medium channel are communicated with the exterior, and the low-temperature heat exchanger 7 and the low-temperature heat medium channel are communicated with the exterior.
(2) In the process, an external heated medium flows through the spray pipe 4 to be depressurized and accelerated, flows through the low-temperature heat exchanger 7 to absorb heat, flows through the diffuser pipe 1 to be boosted, heated and decelerated, flows through the heat regenerator 10 and the high-temperature heat exchanger 6 to absorb heat gradually, flows through the expansion speed increaser 8 to be depressurized, done work, depressurized and accelerated, flows through the heat regenerator 10 to release heat, and then is discharged outwards; work output by the expansion speed increaser 8 is provided externally, a high-temperature heat medium provides driving heat load through the high-temperature heat exchanger 6, a heated medium obtains medium-temperature heat load through an inlet and outlet flow, and a low-temperature heat medium provides low-temperature heat load through the low-temperature heat exchanger 7, so that the first-class heat driving compression heat pump is formed.
The first type of thermally driven compression heat pump shown in fig. 10 is realized by:
(1) structurally, the heat exchanger mainly comprises a diffuser pipe, a spray pipe, a high-temperature heat exchanger, a low-temperature heat exchanger, an expansion speed increaser and a heat regenerator; the exterior of the expansion pipe is provided with a heated medium channel which is communicated with a spray pipe 4 through a heat regenerator 10, the spray pipe 4 and the heated medium channel are communicated with a diffuser pipe 1 through a low-temperature heat exchanger 7 and the heat regenerator 10, the diffuser pipe 1 and the heated medium channel are communicated with an expansion speed increaser 8 through a high-temperature heat exchanger 6, the expansion speed increaser 8 and the heated medium channel are communicated with the exterior, the high-temperature heat exchanger 6 and a high-temperature heat medium channel are communicated with the exterior, and the low-temperature heat exchanger 7 and the low-temperature heat medium channel are communicated with the exterior.
(2) In the process, an external heated medium flows through the heat regenerator 10 and releases heat, flows through the spray pipe 4 and is subjected to pressure reduction and speed increase, flows through the low-temperature heat exchanger 7 and the heat regenerator 10 and gradually absorbs heat, flows through the diffuser pipe 1 and is subjected to pressure rise and speed reduction, flows through the high-temperature heat exchanger 6 and absorbs heat, flows through the expansion speed increaser 8 and is subjected to pressure reduction and work doing and pressure reduction and speed increase, and then is externally discharged; work output by the expansion speed increaser 8 is provided externally, a high-temperature heat medium provides driving heat load through the high-temperature heat exchanger 6, a heated medium obtains medium-temperature heat load through an inlet and outlet flow, and a low-temperature heat medium provides low-temperature heat load through the low-temperature heat exchanger 7, so that the first-class heat driving compression heat pump is formed.
The first type of thermally driven compression heat pump shown in fig. 11 is realized by:
(1) structurally, the heat exchanger mainly comprises a diffuser pipe, a spray pipe, a high-temperature heat exchanger, a low-temperature heat exchanger, an expansion speed increaser and a heat regenerator; the external part is provided with a heated medium channel which is communicated with an expansion speed increaser 8, the expansion speed increaser 8 and the heated medium channel are communicated with a diffuser pipe 1 through a low-temperature heat exchanger 7, the diffuser pipe 1 is provided with a heated medium channel which is communicated with a spray pipe 4 through a heat regenerator 10 and a high-temperature heat exchanger 6, the spray pipe 4 and the heated medium channel are communicated with the external part through the heat regenerator 10, the high-temperature heat exchanger 6 and a high-temperature heat medium channel are communicated with the external part, and the low-temperature heat exchanger 7 and the low-temperature heat medium channel are communicated with the external part.
(2) In the process, an external heated medium flows through the expansion speed increaser 8 to reduce the pressure, do work and increase the speed, flows through the low-temperature heat exchanger 7 to absorb heat, flows through the diffuser pipe 1 to increase the pressure, increase the temperature and decrease the speed, flows through the heat regenerator 10 and the high-temperature heat exchanger 6 to gradually absorb heat, flows through the spray pipe 4 to reduce the pressure, increase the speed, flows through the heat regenerator 10 to release heat and then is discharged outwards; work output by the expansion speed increaser 8 is provided externally, a high-temperature heat medium provides driving heat load through the high-temperature heat exchanger 6, a heated medium obtains medium-temperature heat load through an inlet and outlet flow, and a low-temperature heat medium provides low-temperature heat load through the low-temperature heat exchanger 7, so that the first-class heat driving compression heat pump is formed.
The first type of thermally driven compression heat pump shown in fig. 12 is realized by:
(1) structurally, the heat exchanger mainly comprises a diffuser pipe, a spray pipe, a high-temperature heat exchanger, a low-temperature heat exchanger, an expansion speed increaser and a heat regenerator; the external part is provided with a heated medium channel which is communicated with an expansion speed increaser 8 through a heat regenerator 10, the expansion speed increaser 8 and the heated medium channel are communicated with a diffuser pipe 1 through a low-temperature heat exchanger 7 and the heat regenerator 10, the diffuser pipe 1 is provided with a heated medium channel which is communicated with a spray pipe 4 through a high-temperature heat exchanger 6, the spray pipe 4 and the heated medium channel are communicated with the external part, the high-temperature heat exchanger 6 and a high-temperature heat medium channel are communicated with the external part, and the low-temperature heat exchanger 7 and a low-temperature heat medium channel are communicated with the external part.
(2) In the process, an external heated medium flows through the heat regenerator 10 and releases heat, flows through the expansion speed increaser 8 and performs pressure reduction and work as well as pressure reduction and speed increase, flows through the low-temperature heat exchanger 7 and the heat regenerator 10 and gradually absorbs heat, flows through the diffuser pipe 1 and performs pressure increase and temperature rise as well as speed reduction, flows through the high-temperature heat exchanger 6 and absorbs heat, flows through the spray pipe 4 and performs pressure reduction and speed increase, and then is externally discharged; work output by the expansion speed increaser 8 is provided externally, a high-temperature heat medium provides driving heat load through the high-temperature heat exchanger 6, a heated medium obtains medium-temperature heat load through an inlet and outlet flow, and a low-temperature heat medium provides low-temperature heat load through the low-temperature heat exchanger 7, so that the first-class heat driving compression heat pump is formed.
The first type of thermally driven compression heat pump shown in fig. 13 is realized by:
in the first type of thermally driven compression heat pump shown in fig. 4, a second heat supply device is added, a low-temperature heat medium channel communicated with the outside of the low-temperature heat exchanger 7 is eliminated, the high-temperature heat medium channel of the high-temperature heat exchanger 6 is communicated with the outside, the high-temperature heat medium channel is adjusted to be communicated with the outside, the high-temperature heat medium channel is communicated with the outside of the low-temperature heat exchanger 7, the high-temperature heat medium channel of the low-temperature heat exchanger 7 is communicated with the outside, and the heated medium channel of the second heat supply device 11 is communicated with the outside; the high-temperature heat medium flows through the high-temperature heat exchanger 6, the second heat supplier 11 and the low-temperature heat exchanger 7 in sequence, gradually releases heat, and then is discharged to the outside to form a first-class heat-driven compression heat pump.
The effect that the technology of the invention can realize-the first kind of thermally driven compression heat pump provided by the invention has the following effects and advantages:
(1) the diffuser pipe replaces a compressor, and the manufacturing difficulty and cost of the first-class thermally driven compression heat pump are greatly reduced.
(2) The spray pipe replaces an expansion machine, and the manufacturing difficulty and the manufacturing cost of the first type of thermally driven compression heat pump are greatly reduced.
(3) The expansion speed increaser replaces an expansion machine, so that the manufacturing difficulty and the manufacturing cost of the first-class thermally driven compression heat pump are flexibly and effectively reduced.
(4) The energy conversion and transmission links are reduced, and the performance index of the first-class thermally driven compression heat pump is improved.
(5) The simple components replace complex components, and the performance index of the first type of thermally driven compression heat pump is favorably maintained or improved.
(6) The complex parts are replaced by simple parts and simplified, which is beneficial to improving the safety and service life of the dynamic parts.
(7) A plurality of specific technical schemes are provided, and the device can be used for coping with a plurality of different actual conditions and has a wider application range.
(8) The first type of thermally driven compression heat pump technology is expanded, the temperature difference utilization and the energy difference utilization are favorably realized, and the application range of the heat pump is expanded.
Claims (13)
1. The first kind of thermally driven compression heat pump mainly comprises a diffuser pipe, an expander, a second expander, a spray pipe, a second spray pipe, a high-temperature heat exchanger and a low-temperature heat exchanger; the external part is provided with a heated medium channel communicated with the expander (2), the expander (2) is also provided with a heated medium channel communicated with the diffuser pipe (1) through a spray pipe (4) and a low-temperature heat exchanger (7), the diffuser pipe (1) is also provided with a heated medium channel communicated with the second expander (3) through a high-temperature heat exchanger (6), the second expander (3) is also provided with a heated medium channel communicated with the external part through a second spray pipe (5), the high-temperature heat exchanger (6) is also provided with a high-temperature heat medium channel communicated with the external part, and the low-temperature heat exchanger (7) is also provided with a low-temperature heat medium channel communicated with the external part, so that the first-class heat driving compression heat pump is formed.
2. The first kind of thermally driven compression heat pump mainly comprises a diffuser pipe, a high-temperature heat exchanger, a low-temperature heat exchanger, an expansion speed increaser and a second expansion speed increaser; the external part is provided with a heated medium channel which is communicated with an expansion speed increasing machine (8), the expansion speed increasing machine (8) is also provided with a heated medium channel which is communicated with a diffuser pipe (1) through a low-temperature heat exchanger (7), the diffuser pipe (1) is also provided with a heated medium channel which is communicated with a second expansion speed increasing machine (9) through a high-temperature heat exchanger (6), the second expansion speed increasing machine (9) is also provided with a heated medium channel which is communicated with the external part, the high-temperature heat exchanger (6) is also provided with a high-temperature heat medium channel which is communicated with the external part, and the low-temperature heat exchanger (7) is also provided with a low-temperature heat medium channel which is communicated with the external part.
3. The first kind of thermally driven compression heat pump mainly comprises a diffuser pipe, an expander, a spray pipe, a second spray pipe, a high-temperature heat exchanger and a low-temperature heat exchanger; the exterior is provided with a heated medium channel which is communicated with the spray pipe (4), the spray pipe (4) is also provided with a heated medium channel which is communicated with the diffuser pipe (1) through a low-temperature heat exchanger (7), the diffuser pipe (1) is also provided with a heated medium channel which is communicated with the expander (2) through a high-temperature heat exchanger (6), the expander (2) is also provided with a heated medium channel which is communicated with the exterior through a second spray pipe (5), the high-temperature heat exchanger (6) is also provided with a high-temperature heat medium channel which is communicated with the exterior, and the low-temperature heat exchanger (7) is also provided with a low-temperature heat medium channel which is communicated with the exterior, so that.
4. The first kind of thermally driven compression heat pump consists of mainly diffuser pipe, nozzle, high temperature heat exchanger, low temperature heat exchanger and expansion speed increaser; the exterior is provided with a heated medium channel which is communicated with the spray pipe (4), the spray pipe (4) is also provided with a heated medium channel which is communicated with the diffuser pipe (1) through a low-temperature heat exchanger (7), the diffuser pipe (1) is also provided with a heated medium channel which is communicated with the expansion speed increaser (8) through a high-temperature heat exchanger (6), the expansion speed increaser (8) is also provided with a heated medium channel which is communicated with the exterior, the high-temperature heat exchanger (6) is also provided with a high-temperature heat medium channel which is communicated with the exterior, and the low-temperature heat exchanger (7) is also provided with a low-temperature heat medium channel which is communicated with the.
5. The first kind of thermally driven compression heat pump mainly comprises a diffuser pipe, an expander, a spray pipe, a second spray pipe, a high-temperature heat exchanger and a low-temperature heat exchanger; the external part is provided with a heated medium channel communicated with the expander (2), the expander (2) is also provided with a heated medium channel communicated with the diffuser pipe (1) through a second spray pipe (5) and a low-temperature heat exchanger (7), the diffuser pipe (1) is also provided with a heated medium channel communicated with the spray pipe (4) through a high-temperature heat exchanger (6), the spray pipe (4) is also provided with a heated medium channel communicated with the external part, the high-temperature heat exchanger (6) is also provided with a high-temperature heat medium channel communicated with the external part, and the low-temperature heat exchanger (7) is also provided with a low-temperature heat medium channel communicated with the external part, so that the first-class thermally driven compression.
6. The first kind of thermally driven compression heat pump consists of mainly diffuser pipe, nozzle, high temperature heat exchanger, low temperature heat exchanger and expansion speed increaser; the external part is provided with a heated medium channel which is communicated with an expansion speed increasing machine (8), the expansion speed increasing machine (8) is also provided with a heated medium channel which is communicated with a diffuser pipe (1) through a low-temperature heat exchanger (7), the diffuser pipe (1) is also provided with a heated medium channel which is communicated with a spray pipe (4) through a high-temperature heat exchanger (6), the spray pipe (4) is also provided with a heated medium channel which is communicated with the external part, the high-temperature heat exchanger (6) is also provided with a high-temperature heat medium channel which is communicated with the external part, and the low-temperature heat exchanger (7) is also provided with a low-temperature heat medium channel which is communicated with the.
7. The first kind of thermally driven compression heat pump mainly comprises a diffuser pipe, a high-temperature heat exchanger, a low-temperature heat exchanger, an expansion speed increaser, a second expansion speed increaser and a heat regenerator; the external part is provided with a heated medium channel which is communicated with an expansion speed increasing machine (8), the expansion speed increasing machine (8) is also provided with a heated medium channel which is communicated with a diffuser pipe (1) through a low-temperature heat exchanger (7), the diffuser pipe (1) is also provided with a heated medium channel which is communicated with a second expansion speed increasing machine (9) through a heat regenerator (10) and a high-temperature heat exchanger (6), the second expansion speed increasing machine (9) is also provided with a heated medium channel which is communicated with the external part through the heat regenerator (10), the high-temperature heat exchanger (6) is also provided with a high-temperature heat medium channel which is communicated with the external part, and the low-temperature heat exchanger (7) is also provided with a low-temperature heat medium channel which is communicated with the external part.
8. The first kind of thermally driven compression heat pump mainly comprises a diffuser pipe, a high-temperature heat exchanger, a low-temperature heat exchanger, an expansion speed increaser, a second expansion speed increaser and a heat regenerator; the external part is provided with a heated medium channel which is communicated with an expansion speed increasing machine (8) through a heat regenerator (10), the expansion speed increasing machine (8) is also provided with a heated medium channel which is communicated with a diffuser pipe (1) through a low-temperature heat exchanger (7) and the heat regenerator (10), the diffuser pipe (1) is also provided with a heated medium channel which is communicated with a second expansion speed increasing machine (9) through a high-temperature heat exchanger (6), the second expansion speed increasing machine (9) is also communicated with the external part through a heated medium channel, the high-temperature heat exchanger (6) is also communicated with the external part through a high-temperature heat medium channel, and the low-temperature heat exchanger (7) is also communicated with the external part through a low-temperature heat medium channel to form a first-class heat-.
9. The first kind of thermally driven compression heat pump consists of mainly diffuser pipe, nozzle, high temperature heat exchanger, low temperature heat exchanger, expansion speed increaser and heat regenerator; the exterior of the heat pump is provided with a heated medium channel communicated with a spray pipe (4), the spray pipe (4) is also provided with a heated medium channel communicated with a diffuser pipe (1) through a low-temperature heat exchanger (7), the diffuser pipe (1) is also provided with a heated medium channel communicated with an expansion speed increaser (8) through a heat regenerator (10) and a high-temperature heat exchanger (6), the expansion speed increaser (8) is also provided with a heated medium channel communicated with the exterior through the heat regenerator (10), the high-temperature heat exchanger (6) is also provided with a high-temperature heat medium channel communicated with the exterior, and the low-temperature heat exchanger (7) is also provided with a low-temperature heat medium channel communicated with the exterior to form a first type of.
10. The first kind of thermally driven compression heat pump consists of mainly diffuser pipe, nozzle, high temperature heat exchanger, low temperature heat exchanger, expansion speed increaser and heat regenerator; the exterior of the heat pump is provided with a heated medium channel which is communicated with a spray pipe (4) through a heat regenerator (10), the spray pipe (4) is also provided with a heated medium channel which is communicated with a diffuser pipe (1) through a low-temperature heat exchanger (7) and the heat regenerator (10), the diffuser pipe (1) is also provided with a heated medium channel which is communicated with an expansion speed increaser (8) through a high-temperature heat exchanger (6), the expansion speed increaser (8) is also communicated with the exterior through a heated medium channel, the high-temperature heat exchanger (6) is also communicated with the exterior, and the low-temperature heat exchanger (7) is also communicated with the exterior through a low-temperature heat medium channel to form a first type of heat-driven compression.
11. The first kind of thermally driven compression heat pump consists of mainly diffuser pipe, nozzle, high temperature heat exchanger, low temperature heat exchanger, expansion speed increaser and heat regenerator; the external part is provided with a heated medium channel which is communicated with an expansion speed increaser (8), the expansion speed increaser (8) and the heated medium channel are communicated with a diffuser pipe (1) through a low-temperature heat exchanger (7), the diffuser pipe (1) is provided with a heated medium channel which is communicated with a spray pipe (4) through a heat regenerator (10) and a high-temperature heat exchanger (6), the spray pipe (4) and the heated medium channel are communicated with the external part through the heat regenerator (10), the high-temperature heat exchanger (6) and the high-temperature heat medium channel are communicated with the external part, and the low-temperature heat exchanger (7) and the low-temperature heat medium channel are communicated with the external part to form a first type heat-driven compression heat pump.
12. The first kind of thermally driven compression heat pump consists of mainly diffuser pipe, nozzle, high temperature heat exchanger, low temperature heat exchanger, expansion speed increaser and heat regenerator; the external part is provided with a heated medium channel which is communicated with an expansion speed increasing machine (8) through a heat regenerator (10), the expansion speed increasing machine (8) is also provided with a heated medium channel which is communicated with a diffuser pipe (1) through a low-temperature heat exchanger (7) and the heat regenerator (10), the diffuser pipe (1) is provided with a heated medium channel which is communicated with a spray pipe (4) through a high-temperature heat exchanger (6), the spray pipe (4) is also provided with a heated medium channel which is communicated with the external part, the high-temperature heat exchanger (6) is also provided with a high-temperature heat medium channel which is communicated with the external part, and the low-temperature heat exchanger (7) is also provided with a low-temperature heat medium channel which is communicated.
13. A first kind of heat-driven compression heat pump is characterized in that in any one of the first kind of heat-driven compression heat pump of claims 1-6, 8, 10 and 12, a second heat supply device is added, a low-temperature heat medium channel communicated with the outside by a low-temperature heat exchanger (7) is eliminated, the high-temperature heat medium channel communicated with the outside of the high-temperature heat exchanger (6) is adjusted to be communicated with the outside by the high-temperature heat medium channel, the high-temperature heat medium channel is communicated with the outside after the high-temperature heat medium channel is sequentially communicated with the high-temperature heat exchanger (6), the second heat supply device (11) and the low-temperature heat exchanger (7), then the high-temperature heat medium channel is communicated with the outside, and the second heat supply device (11) and a heated medium channel are communicated.
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