CN113686043A - Double-working medium combined cycle heat pump device - Google Patents
Double-working medium combined cycle heat pump device Download PDFInfo
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- CN113686043A CN113686043A CN202110868037.6A CN202110868037A CN113686043A CN 113686043 A CN113686043 A CN 113686043A CN 202110868037 A CN202110868037 A CN 202110868037A CN 113686043 A CN113686043 A CN 113686043A
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- 238000005057 refrigeration Methods 0.000 abstract description 9
- 230000006835 compression Effects 0.000 abstract description 8
- 238000007906 compression Methods 0.000 abstract description 8
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- 238000010438 heat treatment Methods 0.000 description 9
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- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
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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 double-working-medium combined cycle heat pump device, belonging to the technical field of mechanical compression type refrigeration/heat pumps. The compressor is provided with a circulating working medium channel which is communicated with the heat exchanger and then divided into two paths, wherein the first path is communicated with the heat regenerator through the expander, the second path is directly communicated with the heat regenerator, then the heat regenerator is further provided with a condensate liquid pipeline which is communicated with the evaporator through the throttle valve, the evaporator is also provided with a circulating working medium channel which is communicated with the heat regenerator through the second compressor, and the heat regenerator is also provided with a circulating working medium channel which is communicated with the compressor; the high-temperature compressor is provided with a circulating working medium channel which is communicated with the high-temperature expander through a heat supply device, and the high-temperature expander is also provided with a circulating working medium channel which is communicated with the high-temperature compressor through a heat exchanger; the evaporator is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device is also provided with a heated medium channel communicated with the outside, and the expander and the high-temperature expander are connected with the compressor, the second compressor and the high-temperature compressor and transmit power to form the double-working-medium combined cycle heat pump device.
Description
The technical field is as follows:
the invention belongs to the technical field of refrigeration and heat pumps.
Background art:
cold demand, heat demand and power demand, which are common in human life and production; the conversion of mechanical energy into heat energy is an important way to realize refrigeration and efficient heating. In general, the temperature of the cooling medium changes during cooling, and the temperature of the medium to be heated also changes during heating; when mechanical energy is used for heating, the heated medium has the dual characteristics of temperature changing and high temperature at the same time, so that the problems of unreasonable performance index, low heating parameter, high compression ratio, too large working pressure and the like exist when refrigeration or heating is realized by adopting a single thermodynamic cycle theory.
When heat release mainly depends on a condensation process, the loss of temperature difference between a working medium and a heated medium is large, and the loss of a pressure reduction process of condensate is large or the utilization cost is high; when the supercritical working condition is adopted, the compression ratio is higher, so that the manufacturing cost of the compressor is high, the safety is reduced, and the like; the low-temperature thermal load is not ideal, and the performance index needs to be improved. The gas compression type heat pump device based on the single reverse Brayton cycle requires lower compression ratio, which limits the improvement of heat supply parameters; the low-temperature process is temperature-changing, so that the low-temperature link usually has large temperature difference loss during refrigeration or heating, and the performance index is unreasonable.
The advantages that the low-temperature heat load is absorbed in the evaporation process of the steam compression type heat pump and the high-temperature heat load is provided in the temperature change process of the gas compression type heat pump are kept, the sensible heat of the condensate is fully utilized, and the side effect of the pressure reduction of the condensate is eliminated, namely the heat pump device has reasonable performance index and wide application occasions; the invention provides a double-working-medium combined cycle heat pump device based on the principle of simply, actively and efficiently refrigerating or heating and the principle of coping with different refrigerating demands/heating demands as much as possible.
The invention content is as follows:
the invention mainly aims to provide a double-working-medium combined cycle heat pump device, and the specific contents of the invention are explained in sections as follows:
1. the double-working medium combined cycle heat pump device mainly comprises a compressor, an expander, a throttle valve, a second compressor, a heat exchanger, an evaporator, a heat regenerator, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor is provided with a circulating working medium channel which is communicated with the heat exchanger and then divided into two paths, wherein the first path is communicated with the heat regenerator through the expander, the second path is directly communicated with the heat regenerator, then the heat regenerator is further provided with a condensate liquid pipeline which is communicated with the evaporator through the throttle valve, the evaporator is also provided with a circulating working medium channel which is communicated with the heat regenerator through the second compressor, and the heat regenerator is also provided with a circulating working medium channel which is communicated with the compressor; the high-temperature compressor is provided with a circulating working medium channel which is communicated with the high-temperature expander through a heat supply device, and the high-temperature expander is also provided with a circulating working medium channel which is communicated with the high-temperature compressor through a heat exchanger; the evaporator is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device is also provided with a heated medium channel communicated with the outside, and the expander and the high-temperature expander are connected with the compressor, the second compressor and the high-temperature compressor and transmit power to form the double-working-medium combined cycle heat pump device.
2. The double-working medium combined cycle heat pump device mainly comprises a compressor, an expander, a throttle valve, a second compressor, a heat exchanger, an evaporator, a heat regenerator, a second heat exchanger, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor is provided with a circulating working medium channel which is communicated with the heat exchanger and then divided into two paths, wherein the first path is communicated with the heat regenerator through the expansion machine, the second path is communicated with the heat regenerator through the second heat exchanger, then the heat regenerator is further provided with a condensate liquid pipeline which is communicated with the evaporator through a throttle valve, the evaporator is also provided with a circulating working medium channel which is communicated with the heat regenerator through the second compressor, and the heat regenerator is also provided with a circulating working medium channel which is communicated with the compressor; the high-temperature compressor is provided with a circulating working medium channel which is communicated with the high-temperature expander through a heat supplier, and the high-temperature expander is also provided with a circulating working medium channel which is communicated with the high-temperature compressor through a second heat exchanger and a heat exchanger; the evaporator is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device is also provided with a heated medium channel communicated with the outside, and the expander and the high-temperature expander are connected with the compressor, the second compressor and the high-temperature compressor and transmit power to form the double-working-medium combined cycle heat pump device.
3. The double-working medium combined cycle heat pump device mainly comprises a compressor, an expander, a throttle valve, a second compressor, a heat exchanger, an evaporator, a heat regenerator, a spray pipe, a second heat regenerator, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor is provided with a circulating working medium channel which is communicated with the heat exchanger and then divided into two paths, wherein the first path is communicated with the expander, the second path is communicated with the heat regenerator through a second heat regenerator and then divided into two paths, the first path is led out from the middle or the tail end of the heat regenerator, passes through a spray pipe and the second heat regenerator and then is communicated with the expander through a middle air inlet port, the second path is led out from the tail end of the heat regenerator and then is communicated with the evaporator through a throttle valve, and the expander is also provided with a circulating working medium channel which is communicated with the heat regenerator; the evaporator is also provided with a circulating working medium channel which is communicated with the heat regenerator through a second compressor, and the heat regenerator is also provided with a circulating working medium channel which is communicated with the compressor; the high-temperature compressor is provided with a circulating working medium channel which is communicated with the high-temperature expander through a heat supply device, and the high-temperature expander is also provided with a circulating working medium channel which is communicated with the high-temperature compressor through a heat exchanger; the evaporator is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device is also provided with a heated medium channel communicated with the outside, and the expander and the high-temperature expander are connected with the compressor, the second compressor and the high-temperature compressor and transmit power to form the double-working-medium combined cycle heat pump device.
4. The double-working medium combined cycle heat pump device mainly comprises a compressor, an expander, a throttle valve, a second compressor, a heat exchanger, an evaporator, a heat regenerator, a reheater, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor is provided with a circulating working medium channel which is communicated with the heat exchanger and then divided into two paths, wherein the first path is communicated with the expander, the expander and the circulating working medium channel are communicated with the expander through a reheater, the expander and the circulating working medium channel are communicated with a heat regenerator, the second path is communicated with the heat regenerator through the reheater, then the heat regenerator is provided with a condensate liquid pipeline which is communicated with the evaporator through a throttle valve, the evaporator is also provided with a circulating working medium channel which is communicated with the heat regenerator through a second compressor, and the heat regenerator is also provided with a circulating working medium channel which is communicated with the compressor; the high-temperature compressor is provided with a circulating working medium channel which is communicated with the high-temperature expander through a heat supply device, and the high-temperature expander is also provided with a circulating working medium channel which is communicated with the high-temperature compressor through a heat exchanger; the evaporator is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device is also provided with a heated medium channel communicated with the outside, and the expander and the high-temperature expander are connected with the compressor, the second compressor and the high-temperature compressor and transmit power to form the double-working-medium combined cycle heat pump device.
5. The double-working medium combined cycle heat pump device mainly comprises a compressor, an expander, a throttle valve, a second compressor, a heat exchanger, an evaporator, a heat regenerator, a medium-temperature heat regenerator, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor is provided with a circulating working medium channel which is communicated with the intermediate temperature heat regenerator through a heat exchanger and then divided into two paths, wherein the first path is communicated with the heat regenerator through an expander, the second path is directly communicated with the heat regenerator, then the heat regenerator is further provided with a condensate liquid pipeline which is communicated with an evaporator through a throttle valve, the evaporator is also provided with a circulating working medium channel which is communicated with the heat regenerator through a second compressor, and the heat regenerator is also provided with a circulating working medium channel which is communicated with the compressor through the intermediate temperature heat regenerator; the high-temperature compressor is provided with a circulating working medium channel which is communicated with the high-temperature expander through a heat supply device, and the high-temperature expander is also provided with a circulating working medium channel which is communicated with the high-temperature compressor through a heat exchanger; the evaporator is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device is also provided with a heated medium channel communicated with the outside, and the expander and the high-temperature expander are connected with the compressor, the second compressor and the high-temperature compressor and transmit power to form the double-working-medium combined cycle heat pump device.
6. The double-working medium combined cycle heat pump device mainly comprises a compressor, an expander, a throttle valve, a second compressor, a heat exchanger, an evaporator, a heat regenerator, a second heat exchanger, a medium temperature heat regenerator, a high temperature compressor, a high temperature expander and a heat supplier; the compressor is provided with a circulating working medium channel which is communicated with the intermediate temperature heat regenerator through a heat exchanger and then divided into two paths, wherein the first path is communicated with the heat regenerator through an expander, the second path is communicated with the heat regenerator through a second heat exchanger, then the heat regenerator is further provided with a condensate liquid pipeline which is communicated with an evaporator through a throttle valve, the evaporator is also provided with a circulating working medium channel which is communicated with the heat regenerator through a second compressor, and the heat regenerator is further provided with a circulating working medium channel which is communicated with the compressor through the intermediate temperature heat regenerator; the high-temperature compressor is provided with a circulating working medium channel which is communicated with the high-temperature expander through a heat supplier, and the high-temperature expander is also provided with a circulating working medium channel which is communicated with the high-temperature compressor through a second heat exchanger and a heat exchanger; the evaporator is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device is also provided with a heated medium channel communicated with the outside, and the expander and the high-temperature expander are connected with the compressor, the second compressor and the high-temperature compressor and transmit power to form the double-working-medium combined cycle heat pump device.
7. The double-working medium combined cycle heat pump device mainly comprises a compressor, an expander, a throttle valve, a second compressor, a heat exchanger, an evaporator, a heat regenerator, a spray pipe, a second heat regenerator, a medium-temperature heat regenerator, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor is provided with a circulating working medium channel which is communicated with a medium-temperature heat regenerator through a heat exchanger and then divided into two paths, wherein the first path is communicated with an expander, the second path is communicated with the heat regenerator through a second heat regenerator and then divided into two paths, the first path is led out from the middle or the tail end of the heat regenerator, is communicated with the expander through a spray pipe and the second heat regenerator and then is communicated with the expander through a middle air inlet port, the second path is led out from the tail end of the heat regenerator and then is communicated with an evaporator through a throttle valve, and the expander is also provided with a circulating working medium channel which is communicated with the heat regenerator; the evaporator is also provided with a circulating working medium channel which is communicated with a heat regenerator through a second compressor, and the heat regenerator is also provided with a circulating working medium channel which is communicated with the compressor through a medium-temperature heat regenerator; the high-temperature compressor is provided with a circulating working medium channel which is communicated with the high-temperature expander through a heat supply device, and the high-temperature expander is also provided with a circulating working medium channel which is communicated with the high-temperature compressor through a heat exchanger; the evaporator is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device is also provided with a heated medium channel communicated with the outside, and the expander and the high-temperature expander are connected with the compressor, the second compressor and the high-temperature compressor and transmit power to form the double-working-medium combined cycle heat pump device.
8. The double-working medium combined cycle heat pump device mainly comprises a compressor, an expander, a throttle valve, a second compressor, a heat exchanger, an evaporator, a heat regenerator, a reheater, a medium temperature heat regenerator, a high temperature compressor, a high temperature expander and a heat supplier; the compressor is provided with a circulating working medium channel which is communicated with a medium-temperature heat regenerator through a heat exchanger and then divided into two paths, wherein the first path is communicated with the expander, the expander and the circulating working medium channel are communicated with the expander through a reheater, the expander and the circulating working medium channel are communicated with the heat regenerator, the second path is communicated with the heat regenerator through the reheater, then the heat regenerator is provided with a condensate liquid pipeline which is communicated with the evaporator through a throttle valve, the evaporator and the circulating working medium channel are communicated with the heat regenerator through a second compressor, and the heat regenerator and the circulating working medium channel are communicated with the compressor through the medium-temperature heat regenerator; the high-temperature compressor is provided with a circulating working medium channel which is communicated with the high-temperature expander through a heat supply device, and the high-temperature expander is also provided with a circulating working medium channel which is communicated with the high-temperature compressor through a heat exchanger; the evaporator is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device is also provided with a heated medium channel communicated with the outside, and the expander and the high-temperature expander are connected with the compressor, the second compressor and the high-temperature compressor and transmit power to form the double-working-medium combined cycle heat pump device.
9. A dual-working medium combined cycle heat pump device is characterized in that in any one of the dual-working medium combined cycle heat pump devices 1-8, an evaporator and a throttle valve are omitted, a low-temperature heat medium channel communicated with the outside of the evaporator is omitted, the evaporator is provided with a circulating working medium channel which is communicated with a heat regenerator through a second compressor, the evaporator is adjusted to be provided with a steam channel outside, the evaporator is communicated with the heat regenerator through the second compressor, the heat regenerator is provided with a condensate pipeline which is communicated with the evaporator through the throttle valve, the heat regenerator is adjusted to be provided with a condensate pipeline which is communicated with the outside, and the dual-working medium combined cycle heat pump device is formed.
10. A dual-working medium combined cycle heat pump device is characterized in that in any one of the dual-working medium combined cycle heat pump devices 1-8, a throttle valve is omitted, a turbine is added, a condensate pipeline of a heat regenerator is communicated with an evaporator through the throttle valve, the condensate pipeline of the heat regenerator is adjusted to be communicated with the evaporator through the turbine, and the turbine is connected with a second compressor and transmits power to form the dual-working medium combined cycle heat pump device.
11. A dual working medium combined cycle heat pump device is characterized in that a high-temperature heat regenerator is added in any one of the dual working medium combined cycle heat pump devices 1-10, a heat exchanger is communicated with a high-temperature compressor through a circulation working medium channel, the heat exchanger is adjusted to be communicated with the high-temperature compressor through the high-temperature heat regenerator, a heat supply device is communicated with a high-temperature expander through the circulation working medium channel, the heat supply device is adjusted to be communicated with the high-temperature expander through the circulation working medium channel, and the high-temperature expander is communicated with the heat supply device through the high-temperature heat regenerator, so that the dual working medium combined cycle heat pump device is formed.
12. A dual working medium combined cycle heat pump device is characterized in that in any one of the dual working medium combined cycle heat pump devices 1-10, a heat supply device and a heated medium channel communicated with the outside are eliminated, a high-temperature compressor is communicated with a high-temperature expander through the heat supply device and is adjusted to be a high-temperature compressor which is communicated with the outside through the heated medium channel and an external heated medium channel which is communicated with the high-temperature expander, and the dual working medium combined cycle heat pump device is formed.
13. A dual-working medium combined cycle heat pump device is characterized in that a high-temperature heat regenerator is added in any one of the dual-working medium combined cycle heat pump devices in the item 12, a heated medium channel of a heat exchanger is communicated with a high-temperature compressor and adjusted to be communicated with the high-temperature compressor through the high-temperature heat regenerator, a heated medium channel outside is communicated with a high-temperature expander and adjusted to be communicated with the high-temperature expander through the heated medium channel outside, and the dual-working medium combined cycle heat pump device is formed.
Description of the drawings:
fig. 1 is a schematic diagram of a 1 st principal thermodynamic system of a dual-working-medium combined-cycle heat pump apparatus according to the present invention.
Fig. 2 is a schematic thermodynamic system diagram of a 2 nd principle of a dual-working-medium combined-cycle heat pump apparatus provided in accordance with the present invention.
Fig. 3 is a 3 rd principle thermodynamic system diagram of a dual-working-medium combined cycle heat pump device provided in accordance with the present invention.
Fig. 4 is a diagram of a 4 th principle thermodynamic system of a dual-working-medium combined-cycle heat pump apparatus provided in accordance with the present invention.
Fig. 5 is a diagram of a 5 th principle thermodynamic system of a dual-working-medium combined-cycle heat pump apparatus provided in accordance with the present invention.
Fig. 6 is a diagram of a 6 th principle thermodynamic system of a dual-working-medium combined-cycle heat pump apparatus provided in accordance with the present invention.
Fig. 7 is a diagram of a 7 th principle thermodynamic system of a dual-working-medium combined-cycle heat pump apparatus provided in accordance with the present invention.
Fig. 8 is a diagram of an 8 th principle thermodynamic system of a dual-working-medium combined-cycle heat pump apparatus provided in accordance with the present invention.
Fig. 9 is a diagram of a 9 th principal thermodynamic system of a dual-working-medium combined-cycle heat pump apparatus provided in accordance with the present invention.
In the figure, 1-compressor, 2-expander, 3-throttle valve, 4-second compressor, 5-heat exchanger, 6-evaporator, 7-regenerator, 8-turbine, 9-second heater, 10-nozzle, 11-second regenerator, 12-reheater, 13-intermediate temperature regenerator; a-high temperature compressor, B-high temperature expander, C-heat supplier, D-high temperature heat regenerator.
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 dual-working-medium combined-cycle heat pump apparatus shown in fig. 1 is realized by:
(1) structurally, the system mainly comprises a compressor, an expander, a throttle valve, a second compressor, a heat exchanger, an evaporator, a heat regenerator, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor 1 is divided into two paths after a circulating working medium channel is communicated with the heat exchanger 5, wherein the first path is communicated with the heat regenerator 7 through the expander 2, the second path is directly communicated with the heat regenerator 7, then the heat regenerator 7 is communicated with the evaporator 6 through the throttle valve 3, the evaporator 6 is also communicated with the heat regenerator 7 through the second compressor 4, and the heat regenerator 7 is also communicated with the compressor 1 through the circulating working medium channel; the high-temperature compressor A is provided with a circulating working medium channel which is communicated with a high-temperature expander B through a heat supplier C, and the high-temperature expander B is also provided with a circulating working medium channel which is communicated with the high-temperature compressor A through a heat exchanger 5; the evaporator 6 is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device C is also provided with a heated medium channel communicated with the outside, and the expander 2 and the high-temperature expander B are connected with the compressor 1, the second compressor 4 and the high-temperature compressor A and transmit power.
(2) In the process, the circulating working medium discharged by the expander 2 and the second compressor 4 enters the heat regenerator 7 to absorb heat and raise temperature, and then enters the compressor 1 to raise pressure and raise temperature; the circulating working medium discharged by the compressor 1 flows through the heat exchanger 5, releases heat and lowers the temperature, and then is divided into two paths, namely a first path flows through the expander 2, lowers the pressure, works, enters the heat regenerator 7, a second path flows through the heat regenerator 7, releases heat, condenses, flows through the throttle valve 3, throttles and lowers the pressure, and then enters the evaporator 6; the circulating working medium entering the evaporator 6 absorbs heat to be vaporized, flows through the second compressor 4 to be boosted and heated, and then enters the heat regenerator 7; the circulating working medium discharged by the high-temperature expander B absorbs heat and heats through the heat exchanger 5, increases the pressure and heats through the high-temperature compressor A, releases heat and cools through the heat supply device C, and then enters the high-temperature expander B to reduce the pressure and apply work; the low-temperature heat medium provides low-temperature heat load through the evaporator 6, the heated medium obtains high-temperature heat load through the heat supply device C, and the expander 2, the high-temperature expander B and the external part provide power for the compressor 1, the second compressor 4 and the high-temperature compressor A together, so that the dual-working-medium combined cycle heat pump device is formed.
The dual-working-medium combined-cycle heat pump apparatus shown in fig. 2 is realized by:
(1) structurally, the heat recovery system mainly comprises a compressor, an expander, a throttle valve, a second compressor, a heat exchanger, an evaporator, a heat regenerator, a second heat exchanger, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor 1 is divided into two paths after a circulating working medium channel is communicated with the heat exchanger 5, wherein the first path is communicated with the heat regenerator 7 through the expander 2, the second path is communicated with the heat regenerator 7 through the second heat exchanger 9, then the heat regenerator 7 is communicated with the evaporator 6 through a condensate liquid pipeline by the throttle valve 3, the evaporator 6 is also communicated with the heat regenerator 7 through the second compressor 4, and the heat regenerator 7 is also communicated with the compressor 1 through the circulating working medium channel; the high-temperature compressor A is provided with a circulating working medium channel which is communicated with a high-temperature expander B through a heat supplier C, and the high-temperature expander B is also provided with a circulating working medium channel which is communicated with the high-temperature compressor A through a second heat exchanger 9 and a heat exchanger 5; the evaporator 6 is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device C is also provided with a heated medium channel communicated with the outside, and the expander 2 and the high-temperature expander B are connected with the compressor 1, the second compressor 4 and the high-temperature compressor A and transmit power.
(2) In the process, the circulating working medium discharged by the expander 2 and the second compressor 4 enters the heat regenerator 7 to absorb heat and raise temperature, and then enters the compressor 1 to raise pressure and raise temperature; the circulating working medium discharged by the compressor 1 flows through the heat exchanger 5, releases heat and lowers the temperature, and then is divided into two paths, namely a first path flows through the expander 2, reduces the pressure, works, then enters the heat regenerator 7, a second path flows through the second heat exchanger 9 and the heat regenerator 7, gradually releases heat and condenses, flows through the throttle valve 3, throttles the pressure, and then enters the evaporator 6; the circulating working medium entering the evaporator 6 absorbs heat to be vaporized, flows through the second compressor 4 to be boosted and heated, and then enters the heat regenerator 7; the circulating working medium discharged by the high-temperature expander B gradually absorbs heat and heats through the second heat exchanger 9 and the heat exchanger 5, increases the pressure and heats through the high-temperature compressor A, releases heat and cools through the heat supply device C, and then enters the high-temperature expander B to reduce the pressure and do work; the low-temperature heat medium provides low-temperature heat load through the evaporator 6, the heated medium obtains high-temperature heat load through the heat supply device C, and the expander 2, the high-temperature expander B and the external part provide power for the compressor 1, the second compressor 4 and the high-temperature compressor A together, so that the dual-working-medium combined cycle heat pump device is formed.
The dual-working-medium combined-cycle heat pump apparatus shown in fig. 3 is realized by:
(1) structurally, the system mainly comprises a compressor, an expander, a throttle valve, a second compressor, a heat exchanger, an evaporator, a heat regenerator, a spray pipe, a second heat regenerator, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor 1 is provided with a circulating working medium channel which is communicated with a heat exchanger 5 and then divided into two paths, wherein the first path is communicated with the expander 2, the second path is communicated with a heat regenerator 7 through a second heat regenerator 11 and then divided into two paths, the first path is led out from the middle or the tail end of the heat regenerator 7, passes through a spray pipe 10 and the second heat regenerator 11 and then is communicated with the expander 2 through a middle air inlet port, the second path is led out from the tail end of the heat regenerator 7 and then is communicated with an evaporator 6 through a throttle valve 3, and the expander 2 is also provided with a circulating working medium channel which is communicated with the heat regenerator 7; the evaporator 6 is also provided with a circulating working medium channel which is communicated with the heat regenerator 7 through the second compressor 4, and the heat regenerator 7 is also provided with a circulating working medium channel which is communicated with the compressor 1; the high-temperature compressor A is provided with a circulating working medium channel which is communicated with a high-temperature expander B through a heat supplier C, and the high-temperature expander B is also provided with a circulating working medium channel which is communicated with the high-temperature compressor A through a heat exchanger 5; the evaporator 6 is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device C is also provided with a heated medium channel communicated with the outside, and the expander 2 and the high-temperature expander B are connected with the compressor 1, the second compressor 4 and the high-temperature compressor A and transmit power.
(2) In the process, the circulating working medium discharged by the expander 2 and the second compressor 4 enters the heat regenerator 7 to absorb heat and raise temperature, and then enters the compressor 1 to raise pressure and raise temperature; the circulating working medium discharged by the compressor 1 flows through the heat exchanger 5, releases heat and lowers the temperature, and then is divided into two paths, namely, the first path flows through the expansion machine 2, reduces the pressure and applies work, then enters the heat regenerator 7, releases heat, is partially condensed or is completely condensed, and then is divided into two paths, namely, the first path flows through the spray pipe 10, reduces the pressure and increases the speed, flows through the second heat regenerator 11, absorbs heat, enters the expansion machine 2 through the middle air inlet port, reduces the pressure and applies work, then enters the heat regenerator 7, and the second path of condensate or the condensate after the second path of continuous heat release enters the evaporator 6 after the throttle valve 3 throttles the pressure and reduces the pressure; the circulating working medium entering the evaporator 6 absorbs heat to be vaporized, flows through the second compressor 4 to be boosted and heated, and then enters the heat regenerator 7; the circulating working medium discharged by the high-temperature expander B absorbs heat and heats through the heat exchanger 5, increases the pressure and heats through the high-temperature compressor A, releases heat and cools through the heat supply device C, and then enters the high-temperature expander B to reduce the pressure and apply work; the low-temperature heat medium provides low-temperature heat load through the evaporator 6, the heated medium obtains high-temperature heat load through the heat supply device C, and the expander 2, the high-temperature expander B and the external part provide power for the compressor 1, the second compressor 4 and the high-temperature compressor A together, so that the dual-working-medium combined cycle heat pump device is formed.
The dual-working-medium combined-cycle heat pump apparatus shown in fig. 4 is realized by:
(1) structurally, the system mainly comprises a compressor, an expander, a throttle valve, a second compressor, a heat exchanger, an evaporator, a heat regenerator, a reheater, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor 1 is divided into two paths after a circulating working medium channel is communicated with the heat exchanger 5, wherein the first path is communicated with the expander 2, the expander 2 and the circulating working medium channel are communicated with the expander 2 through a reheater 12, the expander 2 and the circulating working medium channel are communicated with a heat regenerator 7, the second path is communicated with the heat regenerator 7 through the reheater 12, then a condensate pipeline of the heat regenerator 7 is communicated with an evaporator 6 through a throttle valve 3, the evaporator 6 and the circulating working medium channel are communicated with the heat regenerator 7 through a second compressor 4, and the heat regenerator 7 and the circulating working medium channel are communicated with the compressor 1; the high-temperature compressor A is provided with a circulating working medium channel which is communicated with a high-temperature expander B through a heat supplier C, and the high-temperature expander B is also provided with a circulating working medium channel which is communicated with the high-temperature compressor A through a heat exchanger 5; the evaporator 6 is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device C is also provided with a heated medium channel communicated with the outside, and the expander 2 and the high-temperature expander B are connected with the compressor 1, the second compressor 4 and the high-temperature compressor A and transmit power.
(2) In the process, the circulating working medium discharged by the expander 2 and the second compressor 4 enters the heat regenerator 7 to absorb heat and raise temperature, and then enters the compressor 1 to raise pressure and raise temperature; the circulating working medium discharged by the compressor 1 flows through the heat exchanger 5 and releases heat to reduce temperature, and then is divided into two paths, wherein the first path enters the expander 2 to reduce pressure and do work to a certain degree, then flows through the reheater 11 to absorb heat, enters the expander 2 to continue to reduce pressure and do work, and then enters the heat regenerator 7, and the second path flows through the reheater 11 to release heat, flows through the heat regenerator 7 to release heat and condense, flows through the throttle valve 3 to reduce pressure, and then enters the evaporator 6; the circulating working medium entering the evaporator 6 absorbs heat to be vaporized, flows through the second compressor 4 to be boosted and heated, and then enters the heat regenerator 7; the circulating working medium discharged by the high-temperature expander B absorbs heat and heats through the heat exchanger 5, increases the pressure and heats through the high-temperature compressor A, releases heat and cools through the heat supply device C, and then enters the high-temperature expander B to reduce the pressure and apply work; the low-temperature heat medium provides low-temperature heat load through the evaporator 6, the heated medium obtains high-temperature heat load through the heat supply device C, and the expander 2, the high-temperature expander B and the external part provide power for the compressor 1, the second compressor 4 and the high-temperature compressor A together, so that the dual-working-medium combined cycle heat pump device is formed.
The dual-working-medium combined-cycle heat pump apparatus shown in fig. 5 is realized by:
(1) structurally, the system mainly comprises a compressor, an expander, a throttle valve, a second compressor, a heat exchanger, an evaporator, a heat regenerator, a medium-temperature heat regenerator, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor 1 is provided with a circulating working medium channel which is communicated with an intermediate temperature heat regenerator 13 through a heat exchanger 5 and then divided into two paths, wherein the first path is communicated with the heat regenerator 7 through an expander 2, the second path is directly communicated with the heat regenerator 7, then the heat regenerator 7 is further provided with a condensate liquid pipeline which is communicated with an evaporator 6 through a throttle valve 3, the evaporator 6 is also provided with a circulating working medium channel which is communicated with the heat regenerator 7 through a second compressor 4, and the heat regenerator 7 is also provided with a circulating working medium channel which is communicated with the compressor 1 through the intermediate temperature heat regenerator 13; the high-temperature compressor A is provided with a circulating working medium channel which is communicated with a high-temperature expander B through a heat supplier C, and the high-temperature expander B is also provided with a circulating working medium channel which is communicated with the high-temperature compressor A through a heat exchanger 5; the evaporator 6 is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device C is also provided with a heated medium channel communicated with the outside, and the expander 2 and the high-temperature expander B are connected with the compressor 1, the second compressor 4 and the high-temperature compressor A and transmit power.
(2) In the process, the circulating working medium discharged by the expander 2 and the second compressor 4 enters the heat regenerator 7 to absorb heat and raise the temperature, flows through the medium-temperature heat regenerator 13 to absorb heat, and then enters the compressor 1 to raise the pressure and raise the temperature; the circulating working medium discharged by the compressor 1 flows through the heat exchanger 5 and the intermediate temperature heat regenerator 13 to gradually release heat, and then is divided into two paths, namely a first path flows through the expander 2 to reduce pressure and do work and then enters the heat regenerator 7, and a second path flows through the heat regenerator 7 to release heat and condense, flows through the throttle valve 3 to throttle and reduce pressure and then enters the evaporator 6; the circulating working medium entering the evaporator 6 absorbs heat to be vaporized, flows through the second compressor 4 to be boosted and heated, and then enters the heat regenerator 7; the circulating working medium discharged by the high-temperature expander B absorbs heat and heats through the heat exchanger 5, increases the pressure and heats through the high-temperature compressor A, releases heat and cools through the heat supply device C, and then enters the high-temperature expander B to reduce the pressure and apply work; the low-temperature heat medium provides low-temperature heat load through the evaporator 6, the heated medium obtains high-temperature heat load through the heat supply device C, and the expander 2, the high-temperature expander B and the external part provide power for the compressor 1, the second compressor 4 and the high-temperature compressor A together, so that the dual-working-medium combined cycle heat pump device is formed.
The dual-working-medium combined-cycle heat pump apparatus shown in fig. 6 is realized by:
(1) structurally, in the dual-working-medium combined cycle heat pump device shown in fig. 1, an evaporator and a throttle valve are eliminated, a low-temperature heat medium channel for communicating the evaporator 6 with the outside is eliminated, the evaporator 6 is communicated with the heat regenerator 7 through the second compressor 4 and adjusted to have a steam channel outside and communicated with the heat regenerator 7 through the second compressor 4, and the heat regenerator 7 is communicated with the evaporator 6 through the throttle valve 3 and adjusted to have a condensate pipeline for communicating the heat regenerator 7 with the outside.
(2) In the flow, the circulating working medium in the external steam state flows through the second compressor 4 to be boosted and heated and then enters the heat regenerator 7, the circulating working medium discharged by the expander 2 enters the heat regenerator 7, and the two paths of circulating working media absorb heat and are heated and then enter the compressor 1 to be boosted and heated; the circulating working medium discharged by the compressor 1 flows through the heat exchanger 5, releases heat and cools, and then is divided into two paths, wherein the first path flows through the expander 2, reduces the pressure, works, enters the heat regenerator 7, and the second path flows through the heat regenerator 7, releases heat and condenses, and then is discharged outwards; the circulating working medium discharged by the high-temperature expander B absorbs heat and heats through the heat exchanger 5, increases the pressure and heats through the high-temperature compressor A, releases heat and cools through the heat supply device C, and then enters the high-temperature expander B to reduce the pressure and apply work; external steam provides low-temperature heat load through an inlet-outlet flow, a heated medium obtains high-temperature heat load through a heat supply device C, and the expander 2, the high-temperature expander B and the external part provide power for the compressor 1, the second compressor 4 and the high-temperature compressor A in the same direction to form the double-working-medium combined cycle heat pump device.
The dual-working-medium combined-cycle heat pump apparatus shown in fig. 7 is realized by:
(1) structurally, in the dual-working-medium combined cycle heat pump device shown in fig. 1, a throttle valve is eliminated, a turbine is added, a condensed liquid pipeline of a heat regenerator 7 is communicated with an evaporator 6 through the throttle valve 3, the condensed liquid pipeline of the heat regenerator 7 is adjusted to be communicated with the evaporator 6 through the turbine 8, and the turbine 8 is connected with a second compressor 4 and transmits power.
(2) In the process, the circulating working medium discharged by the expander 2 and the second compressor 4 enters the heat regenerator 7 to absorb heat and raise temperature, and then enters the compressor 1 to raise pressure and raise temperature; the circulating working medium discharged by the compressor 1 flows through the heat exchanger 5, releases heat and lowers the temperature, and then is divided into two paths, wherein the first path flows through the expander 2, reduces the pressure and applies work, then enters the heat regenerator 7, and the second path flows through the heat regenerator 7, releases heat and condenses, flows through the turbine 8, reduces the pressure and applies work, and then enters the evaporator 6; the circulating working medium entering the evaporator 6 absorbs heat to be vaporized, flows through the second compressor 4 to be boosted and heated, and then enters the heat regenerator 7; the circulating working medium discharged by the high-temperature expander B absorbs heat and heats through the heat exchanger 5, increases the pressure and heats through the high-temperature compressor A, releases heat and cools through the heat supply device C, and then enters the high-temperature expander B to reduce the pressure and apply work; the low-temperature heat medium provides low-temperature heat load through the evaporator 6, the heated medium obtains high-temperature heat load through the heat supplier C, the expander 2, the turbine 8, the high-temperature expander B and the outside supply power to the compressor 1, the second compressor 4 and the high-temperature compressor A together, and a double-working-medium combined cycle heat pump device is formed.
The dual-working-medium combined-cycle heat pump apparatus shown in fig. 8 is realized by:
(1) structurally, in the dual-working medium combined cycle heat pump device shown in fig. 1, a high-temperature heat regenerator is added, a heat exchanger 5 is communicated with a high-temperature compressor A through a circulating working medium channel, the heat exchanger 5 is adjusted to be communicated with the high-temperature compressor A through a high-temperature heat regenerator D, a heat supplier C is communicated with a high-temperature expander B through a circulating working medium channel, and the heat supplier C is adjusted to be communicated with the high-temperature expander B through a high-temperature heat regenerator D.
(2) Compared with the work flow of the dual-working medium combined cycle heat pump device shown in fig. 1, the difference in the flow is that: the circulating working medium discharged by the high-temperature expander B gradually absorbs heat and heats through the heat exchanger 5 and the high-temperature heat regenerator D, gradually releases heat and cools through the high-temperature compressor A, and then enters the high-temperature expander B to reduce the pressure and apply work to form the double-working-medium combined cycle heat pump device.
The dual-working-medium combined-cycle heat pump apparatus shown in fig. 9 is realized by:
(1) structurally, in the dual working medium combined cycle heat pump device shown in fig. 1, the heat supply device C and the heated medium channel communicated with the outside are eliminated, and the high temperature compressor a with the circulating working medium channel communicated with the high temperature expander B through the heat supply device C is adjusted to be that the high temperature compressor a with the heated medium channel communicated with the outside and the outside with the heated medium channel communicated with the high temperature expander B.
(2) Compared with the work flow of the dual-working medium combined cycle heat pump device shown in fig. 1, the difference in the flow is that: the external heated medium flows through the high-temperature expander B to reduce the pressure and do work, flows through the heat exchanger 5 to absorb heat and raise the temperature, flows through the high-temperature compressor A to raise the pressure and raise the temperature, and is discharged to the outside to form the double-working-medium combined cycle heat pump device.
The effect that the technology of the invention can realize-the double-working-medium combined cycle heat pump device provided by the invention has the following effects and advantages:
(1) basic technologies for mechanical energy refrigeration and heating utilization (energy difference utilization) are provided.
(2) The heat supply load in the phase change heat release process is eliminated or greatly reduced, the heat supply load of a high-temperature heat supply section is relatively increased, and the performance index of the device is improved.
(3) The adverse effect of condensate sensible heat on obtaining low-temperature heat load is eliminated, and the performance index of the device is improved.
(4) Greatly improving the utilization degree of the sensible heat of the condensate, being beneficial to reducing the compression ratio and improving the performance index of the device.
(5) The working parameter range is greatly expanded, and high-efficiency heat supply and high-efficiency high-temperature heat supply are realized.
(6) The adoption of double working media is beneficial to expanding the refrigeration and heat supply parameter range and regulating the pressure parameter range.
(7) In the high temperature area or the variable temperature area, the temperature difference heat transfer loss of the heat release link is reduced, and the performance index is improved.
(8) A low-pressure operation mode is adopted in a high-temperature heat supply area, so that the contradiction between the performance index, the circulating medium parameter and the pressure and temperature resistance of the pipe in the traditional refrigeration and heat pump device is relieved or solved; the working pressure is reduced, and the safety of the device is improved.
(9) The application range is wide, the energy supply requirement can be well met, and the working medium and the working parameters are flexibly matched.
(10) The application range of the cold/heat efficient utilization of the mechanical energy is expanded, and the efficient utilization of the mechanical energy in the fields of refrigeration, high-temperature heat supply and variable-temperature heat supply is favorably realized.
Claims (13)
1. The double-working medium combined cycle heat pump device mainly comprises a compressor, an expander, a throttle valve, a second compressor, a heat exchanger, an evaporator, a heat regenerator, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor (1) is provided with a circulating working medium channel which is communicated with the heat exchanger (5) and then divided into two paths, wherein the first path is communicated with the heat regenerator (7) through the expander (2), the second path is directly communicated with the heat regenerator (7), then the heat regenerator (7) is provided with a condensate liquid pipeline which is communicated with the evaporator (6) through the throttle valve (3), the evaporator (6) is also provided with a circulating working medium channel which is communicated with the heat regenerator (7) through the second compressor (4), and the heat regenerator (7) is also provided with a circulating working medium channel which is communicated with the compressor (1); the high-temperature compressor (A) is provided with a circulating working medium channel which is communicated with the high-temperature expander (B) through a heat supplier (C), and the high-temperature expander (B) is also provided with a circulating working medium channel which is communicated with the high-temperature compressor (A) through a heat exchanger (5); the evaporator (6) is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device (C) is also provided with a heated medium channel communicated with the outside, and the expander (2) and the high-temperature expander (B) are connected with the compressor (1), the second compressor (4) and the high-temperature compressor (A) and transmit power to form the dual-working-medium combined cycle heat pump device.
2. The double-working medium combined cycle heat pump device mainly comprises a compressor, an expander, a throttle valve, a second compressor, a heat exchanger, an evaporator, a heat regenerator, a second heat exchanger, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor (1) is provided with a circulating working medium channel which is communicated with the heat exchanger (5) and then divided into two paths, wherein the first path is communicated with the heat regenerator (7) through the expander (2), the second path is communicated with the heat regenerator (7) through the second heat exchanger (9), then the heat regenerator (7) is provided with a condensate liquid pipeline which is communicated with the evaporator (6) through the throttle valve (3), the evaporator (6) is also provided with a circulating working medium channel which is communicated with the heat regenerator (7) through the second compressor (4), and the heat regenerator (7) is also provided with a circulating working medium channel which is communicated with the compressor (1); the high-temperature compressor (A) is provided with a circulating working medium channel which is communicated with the high-temperature expander (B) through a heat supplier (C), and the high-temperature expander (B) is also provided with a circulating working medium channel which is communicated with the high-temperature compressor (A) through a second heat exchanger (9) and a heat exchanger (5); the evaporator (6) is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device (C) is also provided with a heated medium channel communicated with the outside, and the expander (2) and the high-temperature expander (B) are connected with the compressor (1), the second compressor (4) and the high-temperature compressor (A) and transmit power to form the dual-working-medium combined cycle heat pump device.
3. The double-working medium combined cycle heat pump device mainly comprises a compressor, an expander, a throttle valve, a second compressor, a heat exchanger, an evaporator, a heat regenerator, a spray pipe, a second heat regenerator, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor (1) is provided with a circulating working medium channel which is communicated with the heat exchanger (5) and then divided into two paths, namely a first path is communicated with the expander (2), a second path is communicated with the heat regenerator (7) through the second heat regenerator (11) and then divided into two paths, wherein the first path is led out from the middle or the tail end of the heat regenerator (7), is communicated with the expander (2) through a spray pipe (10) and the second heat regenerator (11), is led out from the tail end of the heat regenerator (7), is communicated with the evaporator (6) through a throttle valve (3), and the expander (2) is also provided with a circulating working medium channel which is communicated with the heat regenerator (7); the evaporator (6) is also provided with a circulating working medium channel which is communicated with the heat regenerator (7) through the second compressor (4), and the heat regenerator (7) is also provided with a circulating working medium channel which is communicated with the compressor (1); the high-temperature compressor (A) is provided with a circulating working medium channel which is communicated with the high-temperature expander (B) through a heat supplier (C), and the high-temperature expander (B) is also provided with a circulating working medium channel which is communicated with the high-temperature compressor (A) through a heat exchanger (5); the evaporator (6) is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device (C) is also provided with a heated medium channel communicated with the outside, and the expander (2) and the high-temperature expander (B) are connected with the compressor (1), the second compressor (4) and the high-temperature compressor (A) and transmit power to form the dual-working-medium combined cycle heat pump device.
4. The double-working medium combined cycle heat pump device mainly comprises a compressor, an expander, a throttle valve, a second compressor, a heat exchanger, an evaporator, a heat regenerator, a reheater, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor (1) is provided with a circulating working medium channel which is communicated with the heat exchanger (5) and then divided into two paths, wherein the first path is communicated with the expander (2), the expander (2) is also provided with a circulating working medium channel which is communicated with the expander (2) through a reheater (12), the expander (2) is also provided with a circulating working medium channel which is communicated with a reheater (7), the second path is communicated with the reheater (12), then the reheater (7) is provided with a condensate pipeline which is communicated with the evaporator (6) through a throttle valve (3), the evaporator (6) is also provided with a circulating working medium channel which is communicated with the reheater (7) through a second compressor (4), and the reheater (7) is also provided with a circulating working medium channel which is communicated with the compressor (1); the high-temperature compressor (A) is provided with a circulating working medium channel which is communicated with the high-temperature expander (B) through a heat supplier (C), and the high-temperature expander (B) is also provided with a circulating working medium channel which is communicated with the high-temperature compressor (A) through a heat exchanger (5); the evaporator (6) is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device (C) is also provided with a heated medium channel communicated with the outside, and the expander (2) and the high-temperature expander (B) are connected with the compressor (1), the second compressor (4) and the high-temperature compressor (A) and transmit power to form the dual-working-medium combined cycle heat pump device.
5. The double-working medium combined cycle heat pump device mainly comprises a compressor, an expander, a throttle valve, a second compressor, a heat exchanger, an evaporator, a heat regenerator, a medium-temperature heat regenerator, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor (1) is provided with a circulating working medium channel which is communicated with the medium-temperature heat regenerator (13) through the heat exchanger (5) and then divided into two paths, wherein the first path is communicated with the heat regenerator (7) through the expander (2), the second path is directly communicated with the heat regenerator (7), then a condensate pipeline of the heat regenerator (7) is communicated with the evaporator (6) through the throttle valve (3), the evaporator (6) is also provided with a circulating working medium channel which is communicated with the heat regenerator (7) through the second compressor (4), and the heat regenerator (7) is also provided with a circulating working medium channel which is communicated with the compressor (1) through the medium-temperature heat regenerator (13); the high-temperature compressor (A) is provided with a circulating working medium channel which is communicated with the high-temperature expander (B) through a heat supplier (C), and the high-temperature expander (B) is also provided with a circulating working medium channel which is communicated with the high-temperature compressor (A) through a heat exchanger (5); the evaporator (6) is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device (C) is also provided with a heated medium channel communicated with the outside, and the expander (2) and the high-temperature expander (B) are connected with the compressor (1), the second compressor (4) and the high-temperature compressor (A) and transmit power to form the dual-working-medium combined cycle heat pump device.
6. The double-working medium combined cycle heat pump device mainly comprises a compressor, an expander, a throttle valve, a second compressor, a heat exchanger, an evaporator, a heat regenerator, a second heat exchanger, a medium temperature heat regenerator, a high temperature compressor, a high temperature expander and a heat supplier; the compressor (1) is provided with a circulating working medium channel which is communicated with the medium-temperature heat regenerator (13) through the heat exchanger (5) and then divided into two paths, wherein the first path is communicated with the heat regenerator (7) through the expander (2), the second path is communicated with the heat regenerator (7) through the second heat exchanger (9), then the heat regenerator (7) is provided with a condensate liquid pipeline which is communicated with the evaporator (6) through the throttle valve (3), the evaporator (6) is also provided with a circulating working medium channel which is communicated with the heat regenerator (7) through the second compressor (4), and the heat regenerator (7) is also provided with a circulating working medium channel which is communicated with the compressor (1) through the medium-temperature heat regenerator (13); the high-temperature compressor (A) is provided with a circulating working medium channel which is communicated with the high-temperature expander (B) through a heat supplier (C), and the high-temperature expander (B) is also provided with a circulating working medium channel which is communicated with the high-temperature compressor (A) through a second heat exchanger (9) and a heat exchanger (5); the evaporator (6) is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device (C) is also provided with a heated medium channel communicated with the outside, and the expander (2) and the high-temperature expander (B) are connected with the compressor (1), the second compressor (4) and the high-temperature compressor (A) and transmit power to form the dual-working-medium combined cycle heat pump device.
7. The double-working medium combined cycle heat pump device mainly comprises a compressor, an expander, a throttle valve, a second compressor, a heat exchanger, an evaporator, a heat regenerator, a spray pipe, a second heat regenerator, a medium-temperature heat regenerator, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor (1) is provided with a circulating working medium channel which is communicated with a medium-temperature heat regenerator (13) through a heat exchanger (5) and then divided into two paths, wherein the first path is communicated with the expander (2), the second path is communicated with the heat regenerator (7) through a second heat regenerator (11) and then divided into two paths, the first path is led out from the middle or the tail end of the heat regenerator (7), is communicated with the expander (2) through a spray pipe (10) and the second heat regenerator (11), is led out from the tail end of the heat regenerator (7), is communicated with the evaporator (6) through a throttle valve (3), and the expander (2) is also provided with a circulating working medium channel which is communicated with the heat regenerator (7); the evaporator (6) is also provided with a circulating working medium channel which is communicated with the heat regenerator (7) through the second compressor (4), and the heat regenerator (7) is also provided with a circulating working medium channel which is communicated with the compressor (1) through the intermediate temperature heat regenerator (13); the high-temperature compressor (A) is provided with a circulating working medium channel which is communicated with the high-temperature expander (B) through a heat supplier (C), and the high-temperature expander (B) is also provided with a circulating working medium channel which is communicated with the high-temperature compressor (A) through a heat exchanger (5); the evaporator (6) is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device (C) is also provided with a heated medium channel communicated with the outside, and the expander (2) and the high-temperature expander (B) are connected with the compressor (1), the second compressor (4) and the high-temperature compressor (A) and transmit power to form the dual-working-medium combined cycle heat pump device.
8. The double-working medium combined cycle heat pump device mainly comprises a compressor, an expander, a throttle valve, a second compressor, a heat exchanger, an evaporator, a heat regenerator, a reheater, a medium temperature heat regenerator, a high temperature compressor, a high temperature expander and a heat supplier; the compressor (1) is provided with a circulating working medium channel which is communicated with a medium-temperature heat regenerator (13) through a heat exchanger (5) and then divided into two paths, wherein the first path is communicated with an expander (2), the expander (2) is also provided with a circulating working medium channel which is communicated with the expander (2) through a reheater (12), the expander (2) is also provided with a circulating working medium channel which is communicated with a heat regenerator (7), the second path is communicated with the heat regenerator (7) through the reheater (12), then the heat regenerator (7) is provided with a condensate liquid pipeline which is communicated with an evaporator (6) through a throttle valve (3), the evaporator (6) is also provided with a circulating working medium channel which is communicated with the heat regenerator (7) through a second compressor (4), and the heat regenerator (7) is also provided with a circulating working medium channel which is communicated with the compressor (1) through the medium-temperature heat regenerator (13); the high-temperature compressor (A) is provided with a circulating working medium channel which is communicated with the high-temperature expander (B) through a heat supplier (C), and the high-temperature expander (B) is also provided with a circulating working medium channel which is communicated with the high-temperature compressor (A) through a heat exchanger (5); the evaporator (6) is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device (C) is also provided with a heated medium channel communicated with the outside, and the expander (2) and the high-temperature expander (B) are connected with the compressor (1), the second compressor (4) and the high-temperature compressor (A) and transmit power to form the dual-working-medium combined cycle heat pump device.
9. A dual-working medium combined cycle heat pump device is characterized in that in any one of the dual-working medium combined cycle heat pump devices of claims 1 to 8, an evaporator and a throttle valve are eliminated, a low-temperature heat medium channel communicated with the outside of the evaporator (6) is eliminated, the evaporator (6) is provided with a cycle working medium channel which is communicated with a heat regenerator (7) through a second compressor (4) and is adjusted to be provided with a steam channel at the outside and is communicated with the heat regenerator (7) through the second compressor (4), a condensate pipeline of the heat regenerator (7) is communicated with the evaporator (6) through the throttle valve (3) and is adjusted to be provided with a condensate pipeline of the heat regenerator (7) and is communicated with the outside, and the dual-working medium combined cycle heat pump device is formed.
10. A double-working medium combined cycle heat pump device is characterized in that in any one of the double-working medium combined cycle heat pump devices of claims 1 to 8, a throttle valve is omitted, a turbine is added, a condenser pipe of a heat regenerator (7) is communicated with an evaporator (6) through a throttle valve (3) and is adjusted to be communicated with the evaporator (6) through a condenser pipe of the heat regenerator (7) through the turbine (8), and the turbine (8) is connected with a second compressor (4) and transmits power, so that the double-working medium combined cycle heat pump device is formed.
11. A dual working medium combined cycle heat pump device is characterized in that a high-temperature heat regenerator is added in any one of the dual working medium combined cycle heat pump devices of claims 1-10, a heat exchanger (5) is provided with a circulating working medium channel to be communicated with a high-temperature compressor (A) and adjusted to be communicated with the high-temperature compressor (A) through a high-temperature heat regenerator (D), a heat supply device (C) is provided with a circulating working medium channel to be communicated with a high-temperature expander (B) and adjusted to be communicated with the heat supply device (C) through a circulating working medium channel to be communicated with the high-temperature expander (B) through the high-temperature heat regenerator (D), and the dual working medium combined cycle heat pump device is formed.
12. A dual working medium combined cycle heat pump device is characterized in that in any one of the dual working medium combined cycle heat pump devices of claims 1-10, a heat supply device (C) and a heated medium channel communicated with the outside are eliminated, a high-temperature compressor (A) with a circulating working medium channel is communicated with a high-temperature expander (B) through the heat supply device (C) and adjusted to be that the high-temperature compressor (A) with a heated medium channel is communicated with the outside and the outside with a heated medium channel is communicated with the high-temperature expander (B), so that the dual working medium combined cycle heat pump device is formed.
13. A dual working medium combined cycle heat pump device is characterized in that a high-temperature heat regenerator is added in any one of the dual working medium combined cycle heat pump devices of claim 12, a heated medium channel of the heat exchanger (5) is communicated with the high-temperature compressor (A) and is adjusted to be communicated with the high-temperature compressor (A) through a high-temperature heat regenerator (D) by the heat exchanger (5), a heated medium channel outside is communicated with the high-temperature expander (B) and is adjusted to be communicated with the high-temperature expander (B) through a heated medium channel outside, and the dual working medium combined cycle heat pump device is formed by the fact that the heated medium channel outside is communicated with the high-temperature expander (B) through the high-temperature heat regenerator (D).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010775390 | 2020-07-27 | ||
| CN2020107753905 | 2020-07-27 |
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| CN113686043A true CN113686043A (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110868037.6A Pending CN113686043A (en) | 2020-07-27 | 2021-07-23 | Double-working medium combined cycle heat pump device |
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| CN114001481A (en) * | 2020-09-27 | 2022-02-01 | 李华玉 | Backheating type thermodynamic cycle and novel backheating mechanical compression heat pump |
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