CN113720035A - Phase-change type fourth-class thermally-driven compression heat pump - Google Patents
Phase-change type fourth-class thermally-driven compression heat pump Download PDFInfo
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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
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Abstract
The invention provides a phase-change type fourth-class thermally-driven compression heat pump, and belongs to the technical field of refrigeration and heat pumps. The compressor and the heat source evaporator are communicated with a second compressor through a circulating working medium channel, the second compressor is also communicated with a high-temperature heat supplier through a circulating working medium channel, the high-temperature heat supplier is also communicated with a low-temperature heat supplier through an expander, the low-temperature heat supplier is also communicated with a refrigerating evaporator through a turbine, the refrigerating evaporator is also communicated with the compressor through a circulating working medium channel, and the low-temperature heat supplier is also communicated with the heat source evaporator through a circulating working medium channel; the heat source evaporator is also provided with a heat source medium channel, the high-temperature heat supply device is also provided with a heated medium channel, the low-temperature heat supply device is also provided with a cooling medium channel, the refrigeration evaporator is also provided with a refrigerated medium channel which is respectively communicated with the outside, and the expander and the turbine are connected with the compressor and the second compressor and transmit power to form the phase-change type fourth-class heat-driven compression heat pump.
Description
The technical field is as follows:
the invention belongs to the technical field of power, refrigeration, heat supply and heat pumps.
Background art:
cold demand, heat demand and power demand, which are common in human life and production; to achieve the cold, heat and power requirements, one pays for the cost of the equipment. In order to reduce the corresponding cost, people need simple and direct basic technical support; especially under the condition of multi-temperature difference utilization or multi-energy utilization or the condition of simultaneously meeting different energy supply requirements, the fundamental technology provides guarantee for realizing a simple, active and efficient energy production and utilization system.
The invention provides a phase-change type fourth-class thermally-driven compression heat pump which mainly comprises a compressor, an expander, a turbine or a throttle valve and a heat exchanger as basic components, and aims to meet the conditions of high-temperature heat demand and refrigeration demand simultaneously by using medium-temperature heat resources or realize high-temperature heat supply and low-temperature heat supply by using the medium-temperature heat resources, consider taking power resource utilization into consideration or meet external power demand, and follow the principle of simply, actively and efficiently realizing temperature difference and energy difference utilization.
The invention content is as follows:
the invention mainly aims to provide a phase-change type fourth-class thermally-driven compression heat pump, and the specific contents are set forth in the following items:
1. the phase-change type fourth-class thermally-driven compression heat pump mainly comprises a compressor, a second compressor, an expander, a turbine, a heat source evaporator, a high-temperature heat supply device, a low-temperature heat supply device and a refrigeration evaporator; the compressor is provided with a circulating working medium channel communicated with the heat source evaporator, the heat source evaporator is also provided with a circulating working medium channel communicated with a second compressor, the second compressor is also provided with a circulating working medium channel communicated with a high-temperature heat supplier, the high-temperature heat supplier is also provided with a circulating working medium channel communicated with an expander, the expander is also provided with a circulating working medium channel communicated with a low-temperature heat supplier, the low-temperature heat supplier is also provided with a circulating working medium channel communicated with a refrigeration evaporator through a turbine, and the refrigeration evaporator is also provided with a circulating working medium channel communicated with the compressor; the heat source evaporator is also provided with a heat source medium channel communicated with the outside, the high-temperature heat supply device is also provided with a heated medium channel communicated with the outside, the low-temperature heat supply device is also provided with a cooling medium channel communicated with the outside, the refrigeration evaporator is also provided with a refrigerated medium channel communicated with the outside, and the expander and the turbine are connected with the compressor and the second compressor and transmit power to form the phase-change type fourth-class thermally driven compression heat pump.
2. A phase-change type fourth-class thermally-driven compression heat pump is characterized in that a booster pump is added in the phase-change type fourth-class thermally-driven compression heat pump in item 1, a refrigeration evaporator is additionally provided with a liquid circulating working medium channel which is communicated with a heat source evaporator through the booster pump, and the communication between a compressor circulating working medium channel and the heat source evaporator is adjusted to be that the compressor circulating working medium channel is communicated with a second compressor, so that the phase-change type fourth-class thermally-driven compression heat pump is formed.
3. A phase-change type fourth-class thermally-driven compression heat pump is characterized in that a new turbine is added to the phase-change type fourth-class thermally-driven compression heat pump in item 1 or 2, a high-temperature heat supply device is additionally provided with a liquid-state circulating working medium channel which is communicated with a heat source evaporator through the new turbine, and the new turbine is connected with a second compressor and transmits power to form the phase-change type fourth-class thermally-driven compression heat pump.
4. The phase-change type fourth-class thermally-driven compression heat pump mainly comprises a compressor, a second compressor, an expander, a turbine, a heat source evaporator, a high-temperature heat supply device, a low-temperature heat supply device, a refrigeration evaporator and a booster pump; the compressor is provided with a circulating working medium channel communicated with a second compressor, the heat source evaporator is also provided with a circulating working medium channel communicated with the second compressor, the second compressor is also provided with a circulating working medium channel communicated with a high-temperature heat supplier, the high-temperature heat supplier is also provided with a circulating working medium channel communicated with an expander, the expander is also provided with a circulating working medium channel communicated with a low-temperature heat supplier, the low-temperature heat supplier is also provided with a circulating working medium channel communicated with a refrigeration evaporator through a turbine, the refrigeration evaporator is also provided with a circulating working medium channel communicated with the compressor, and the low-temperature heat supplier is also provided with a circulating working medium channel communicated with the heat source evaporator through a booster pump; the heat source evaporator is also provided with a heat source medium channel communicated with the outside, the high-temperature heat supply device is also provided with a heated medium channel communicated with the outside, the low-temperature heat supply device is also provided with a cooling medium channel communicated with the outside, the refrigeration evaporator is also provided with a refrigerated medium channel communicated with the outside, and the expander and the turbine are connected with the compressor and the second compressor and transmit power to form the phase-change type fourth-class thermally driven compression heat pump.
5. A phase-change type fourth-class thermally-driven compression heat pump is characterized in that a new turbine is added in the phase-change type fourth-class thermally-driven compression heat pump in item 4, a high-temperature heat supply device is additionally provided with a liquid-state circulating working medium channel which is communicated with a heat source evaporator through the new turbine, and the new turbine is connected with a second compressor and transmits power to form the phase-change type fourth-class thermally-driven compression heat pump.
6. Phase transition type fourth kind of thermal drive compression heat pump is in any one of phase transition type fourth kind of thermal drive compression heat pump of item 3 or 5, increase the regenerator, have cycle working medium passageway and high temperature heat supply ware intercommunication to adjust the second compressor to have cycle working medium passageway through regenerator and high temperature heat supply ware intercommunication, have cycle working medium passageway and expander intercommunication to adjust the high temperature heat supply ware to have cycle working medium passageway through regenerator and expander intercommunication, form phase transition type fourth kind of thermal drive compression heat pump.
7. A phase-change type fourth-class thermally-driven compression heat pump is characterized in that in any of the phase-change type fourth-class thermally-driven compression heat pumps in items 1-6, a turbine is omitted, a throttle valve is added, a low-temperature heat supply device is adjusted to be provided with a circulating working medium channel which is communicated with a refrigeration evaporator through the turbine, the low-temperature heat supply device is adjusted to be provided with a circulating working medium channel which is communicated with the refrigeration evaporator through the throttle valve, and the phase-change type fourth-class thermally-driven compression heat pump is formed.
8. A phase-change type fourth-class thermally driven compression heat pump is characterized in that a power machine is added in any one of the phase-change type fourth-class thermally driven compression heat pumps in items 1-7, the power machine is connected with a second compressor and provides power for the second compressor, and the phase-change type fourth-class thermally driven compression heat pump driven by additional external power is formed.
9. The phase-change type fourth type thermally driven compression heat pump is characterized in that a working machine is added in any one of the phase-change type fourth type thermally driven compression heat pumps in items 1-7, and an expansion machine is connected with the working machine and provides power for the working machine to form the phase-change type fourth type thermally driven compression heat pump additionally providing power load to the outside.
Description of the drawings:
fig. 1 is a schematic diagram of a 1 st principal thermodynamic system of a phase-change type fourth class thermally driven compression heat pump according to the present invention.
Fig. 2 is a schematic 2 schematic thermodynamic system diagram of a phase-change type fourth class thermally driven compression heat pump according to the present invention.
Fig. 3 is a schematic diagram of a 3 rd principle thermodynamic system of a phase-change type fourth class thermally driven compression heat pump according to the present invention.
Fig. 4 is a diagram of a 4 th principle thermodynamic system of a phase-change type fourth class thermally driven compression heat pump according to the present invention.
Fig. 5 is a diagram of a 5 th principle thermodynamic system of a phase-change type fourth class thermally driven compression heat pump according to the present invention.
Fig. 6 is a 6 th principle thermodynamic system diagram of a phase-change type fourth class thermally driven compression heat pump according to the present invention.
In the figure, 1-compressor, 2-second compressor, 3-expander, 4-turbine, 5-heat source evaporator, 6-high temperature heater, 7-low temperature heater, 8-refrigeration evaporator, 9-booster pump, 10-heat regenerator, 11-heat regenerator and 11-throttle valve; a-adding a turbine.
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 phase-change type fourth-class thermally-driven compression heat pump shown in fig. 1 is realized by:
(1) structurally, the heat pump system mainly comprises a compressor, a second compressor, an expander, a turbine, a heat source evaporator, a high-temperature heat supply device, a low-temperature heat supply device and a refrigeration evaporator; the compressor 1 is provided with a circulating working medium channel which is communicated with a heat source evaporator 5, the heat source evaporator 5 is also provided with a circulating working medium channel which is communicated with a second compressor 2, the second compressor 2 is also provided with a circulating working medium channel which is communicated with a high-temperature heat supplier 6, the high-temperature heat supplier 6 is also provided with a circulating working medium channel which is communicated with an expander 3, the expander 3 is also provided with a circulating working medium channel which is communicated with a low-temperature heat supplier 7, the low-temperature heat supplier 7 is also provided with a circulating working medium channel which is communicated with a refrigeration evaporator 8 through a turbine 4, and the refrigeration evaporator 8 is also provided with a circulating working medium channel which is communicated with the compressor 1; the heat source evaporator 5 is also provided with a heat source medium channel communicated with the outside, the high-temperature heat supply device 6 is also provided with a heated medium channel communicated with the outside, the low-temperature heat supply device 7 is also provided with a cooling medium channel communicated with the outside, the refrigeration evaporator 8 is also provided with a refrigerated medium channel communicated with the outside, and the expander 3 and the turbine 4 are connected with the compressor 1 and the second compressor 2 and transmit power.
(2) In the process, the circulating working medium discharged by the compressor 1 absorbs heat and evaporates through the heat source evaporator 5, increases the pressure and heats through the second compressor 2, releases heat and partially condenses through the high-temperature heat supply device 6, reduces the pressure and does work through the expansion machine 3, releases heat and condenses through the low-temperature heat supply device 7, reduces the pressure and does work through the turbine 4, absorbs heat and partially vaporizes through the refrigeration evaporator 8, and then enters the compressor 1 to increase the pressure and heat; the work output by the expander 3 and the turbine 4 is provided for the compressor 1 and the second compressor 2 as power, or the work output by the expander 3 and the turbine 4 is provided for the compressor 1 and the second compressor 2 as power and is provided for the outside at the same time, or the expander 3, the turbine 4 and the outside provide power for the compressor 1 and the second compressor 2 together; the heat source medium provides medium temperature heat load through the heat source evaporator 5, the heated medium obtains high temperature heat load through the high temperature heat supply device 6, the cooling medium obtains low temperature heat load through the low temperature heat supply device 7, and the cooled medium provides refrigeration load through the refrigeration evaporator 8, so that the phase-change type fourth-class heat-driven compression heat pump is formed.
The phase-change type fourth-class thermally-driven compression heat pump shown in fig. 2 is realized by:
(1) structurally, in the phase-change type fourth-class thermally driven compression heat pump shown in fig. 1, a booster pump is added, a liquid-state circulating working medium channel is additionally arranged in the refrigeration evaporator 8 and communicated with the heat source evaporator 5 through a booster pump 9, and the communication between the circulating working medium channel of the compressor 1 and the heat source evaporator 5 is adjusted to be that the circulating working medium channel of the compressor 1 is communicated with the second compressor 2.
(2) Compared with the phase-change type fourth type thermally driven compression heat pump process shown in fig. 1, the added or changed process is implemented as follows: the circulating working medium of the refrigeration evaporator 8 is divided into two paths, namely the gaseous circulating working medium enters the second compressor 2 after being boosted and heated by the compressor 1, and the liquid circulating working medium enters the heat source evaporator 5 for heat absorption and evaporation after being boosted by the booster pump 9, so that the phase-change type fourth-class thermally driven compression heat pump is formed.
The phase-change type fourth-class thermally-driven compression heat pump shown in fig. 3 is realized by:
(1) structurally, in the phase-change type fourth-class thermally-driven compression heat pump shown in fig. 1, a newly-added turbine is added, a high-temperature heat supply device 6 is additionally provided with a liquid-state circulating working medium channel which is communicated with a heat source evaporator 5 through the newly-added turbine A, and the newly-added turbine A is connected with a second compressor 2 and transmits power.
(2) Compared with the phase-change type fourth type thermally driven compression heat pump process shown in fig. 1, the added or changed process is implemented as follows: the circulating working medium of the high-temperature heat supply device 6 is divided into two paths, namely, the gaseous circulating working medium flows through the expansion machine 3 to be decompressed and does work and then enters the low-temperature heat supply device 7, the liquid circulating working medium flows through the newly-added turbine A to be decompressed and does work and then enters the heat source evaporator 5 to absorb heat and evaporate, and the work output by the newly-added turbine A is provided for the second compressor 2 to be used as power, so that the phase-change type fourth-class heat-driven compression heat pump is formed.
The phase-change type fourth-class thermally-driven compression heat pump shown in fig. 4 is realized by:
(1) structurally, the heat pump system mainly comprises a compressor, a second compressor, an expander, a turbine, a heat source evaporator, a high-temperature heat supply device, a low-temperature heat supply device, a refrigeration evaporator and a booster pump; the compressor 1 is provided with a circulating working medium channel communicated with the second compressor 2, the heat source evaporator 5 is also provided with a circulating working medium channel communicated with the second compressor 2, the second compressor 2 is also provided with a circulating working medium channel communicated with the high-temperature heat supplier 6, the high-temperature heat supplier 6 is also provided with a circulating working medium channel communicated with the expander 3, the expander 3 is also provided with a circulating working medium channel communicated with the low-temperature heat supplier 7, the low-temperature heat supplier 7 is also provided with a circulating working medium channel communicated with the refrigeration evaporator 8 through the turbine 4, the refrigeration evaporator 8 is also provided with a circulating working medium channel communicated with the compressor 1, and the low-temperature heat supplier 7 is also provided with a circulating working medium channel communicated with the heat source evaporator 5 through the booster pump 9; the heat source evaporator 5 is also provided with a heat source medium channel communicated with the outside, the high-temperature heat supply device 6 is also provided with a heated medium channel communicated with the outside, the low-temperature heat supply device 7 is also provided with a cooling medium channel communicated with the outside, the refrigeration evaporator 8 is also provided with a refrigerated medium channel communicated with the outside, and the expander 3 and the turbine 4 are connected with the compressor 1 and the second compressor 2 and transmit power.
(2) In the process, the circulating working medium discharged by the compressor 1 and the heat source evaporator 5 flows through the second compressor 2 to be boosted and heated, flows through the high-temperature heat supply device 6 to release heat and be partially condensed, flows through the expansion machine 3 to reduce the pressure and do work, flows through the low-temperature heat supply device 7 to release heat and be condensed, and then is divided into two paths, wherein the first path flows through the turbine 4 to reduce the pressure and do work, flows through the refrigeration evaporator 8 to absorb heat and be vaporized, and flows into the compressor 1 to be boosted and heated, and the second path flows through the booster pump 9 to be boosted and then is evaporated by absorbing heat of the heat source evaporator 5; the work output by the expander 3 and the turbine 4 is provided for the compressor 1 and the second compressor 2 as power, or the work output by the expander 3 and the turbine 4 is provided for the compressor 1 and the second compressor 2 as power and is provided for the outside at the same time, or the expander 3, the turbine 4 and the outside provide power for the compressor 1 and the second compressor 2 together; the heat source medium provides medium temperature heat load through the heat source evaporator 5, the heated medium obtains high temperature heat load through the high temperature heat supply device 6, the cooling medium obtains low temperature heat load through the low temperature heat supply device 7, and the cooled medium provides refrigeration load through the refrigeration evaporator 8, so that the phase-change type fourth-class heat-driven compression heat pump is formed.
The phase-change type fourth-type thermally driven compression heat pump shown in fig. 5 is realized by:
(1) structurally, in the phase-change type fourth-class thermally-driven compression heat pump shown in fig. 4, a new turbine is added, a high-temperature heat supply device 6 is additionally provided with a liquid-state circulating working medium channel which is communicated with a heat source evaporator 5 through a new turbine A, and the new turbine A is connected with a second compressor 2 and transmits power.
(2) Compared with the phase-change type fourth type thermally driven compression heat pump process shown in fig. 4, the added or changed process is implemented as follows: the circulating working medium of the high-temperature heat supply device 6 is divided into two paths, namely, the gaseous circulating working medium flows through the expansion machine 3 to be decompressed and does work and then enters the low-temperature heat supply device 7, the liquid circulating working medium flows through the newly-added turbine A to be decompressed and does work and then enters the heat source evaporator 5 to absorb heat and evaporate, and the work output by the newly-added turbine A is provided for the second compressor 2 to be used as power, so that the phase-change type fourth-class heat-driven compression heat pump is formed.
The phase-change type fourth-type thermally driven compression heat pump shown in fig. 6 is realized by:
(1) structurally, in the phase-change type fourth-class thermally driven compression heat pump shown in fig. 5, a heat regenerator is added, the second compressor 2 is adjusted to be communicated with the high-temperature heat supply device 6 through a circulating working medium channel, the second compressor 2 is adjusted to be communicated with the high-temperature heat supply device 6 through the heat regenerator 10, the high-temperature heat supply device 6 is adjusted to be communicated with the expansion machine 3 through a circulating working medium channel, and the high-temperature heat supply device 6 is adjusted to be communicated with the expansion machine 3 through the heat regenerator 10 and the circulating working medium channel.
(2) Compared with the phase-change type fourth type thermally driven compression heat pump process shown in fig. 5, the added or changed process is implemented as follows: the circulating working medium discharged by the second compressor 2 flows through the heat regenerator 10 and releases heat, and then enters the high-temperature heat supplier 6; the gaseous circulating working medium discharged by the high-temperature heat supplier 6 flows through the heat regenerator 10 and absorbs heat, and then enters the expansion machine 3 to reduce the pressure and do work, so that the phase-change type fourth-class heat-driven compression heat pump is formed.
The phase-change type fourth-class thermally-driven compression heat pump provided by the invention has the following effects and advantages:
(1) the new construction utilizes the basic technology of heat energy (temperature difference).
(2) Through single circulation and phase-change type single working medium, high-temperature heat supply and refrigeration are realized at the same time by using medium-temperature heat energy, or high-temperature heat supply, low-temperature heat supply and refrigeration are realized at the same time, or high-temperature heat supply and low-temperature heat supply are realized at the same time.
(3) Through single circulation and phase-change type single working medium, high-temperature heat supply and refrigeration, or high-temperature heat supply, low-temperature heat supply and refrigeration, or high-temperature heat supply and low-temperature heat supply are realized simultaneously by using medium-temperature heat energy and mechanical energy.
(4) The process is reasonable, is a common technology for realizing effective utilization of temperature difference, and has good applicability.
(5) The novel technology for simply, actively and efficiently utilizing heat energy is provided, and the performance index is high.
(6) Provides a simple, active and efficient new technology of combining heat energy and mechanical energy, and has high performance index.
(7) The working medium has wide application range, the working medium and the working parameters are flexibly matched, and the energy supply requirement can be adapted in a larger range.
(8) The heat pump technology is expanded, the types of compression heat pumps are enriched, and the high-efficiency utilization of heat energy and mechanical energy is favorably realized.
Claims (9)
1. The phase-change type fourth-class thermally-driven compression heat pump mainly comprises a compressor, a second compressor, an expander, a turbine, a heat source evaporator, a high-temperature heat supply device, a low-temperature heat supply device and a refrigeration evaporator; the compressor (1) is provided with a circulating working medium channel which is communicated with the heat source evaporator (5), the heat source evaporator (5) is also provided with a circulating working medium channel which is communicated with the second compressor (2), the second compressor (2) is also provided with a circulating working medium channel which is communicated with the high-temperature heat supplier (6), the high-temperature heat supplier (6) is also provided with a circulating working medium channel which is communicated with the expander (3), the expander (3) is also provided with a circulating working medium channel which is communicated with the low-temperature heat supplier (7), the low-temperature heat supplier (7) is also provided with a circulating working medium channel which is communicated with the refrigeration evaporator (8) through the turbine (4), and the refrigeration evaporator (8) is also provided with a circulating working medium channel which is communicated with the compressor (1); the heat source evaporator (5) is also provided with a heat source medium channel communicated with the outside, the high-temperature heat supply device (6) is also provided with a heated medium channel communicated with the outside, the low-temperature heat supply device (7) is also provided with a cooling medium channel communicated with the outside, the refrigeration evaporator (8) is also provided with a refrigerated medium channel communicated with the outside, and the expander (3) and the turbine (4) are connected with the compressor (1) and the second compressor (2) and transmit power to form the phase-change type fourth-class heat-driven compression heat pump.
2. The phase-change type fourth type thermally-driven compression heat pump is characterized in that a booster pump is added in the phase-change type fourth type thermally-driven compression heat pump disclosed by claim 1, a liquid circulating working medium channel is additionally arranged on a refrigeration evaporator (8) and is communicated with a heat source evaporator (5) through the booster pump (9), and the condition that the compressor (1) is communicated with the heat source evaporator (5) through the circulating working medium channel is adjusted to that the compressor (1) is communicated with a second compressor (2) through the circulating working medium channel, so that the phase-change type fourth type thermally-driven compression heat pump is formed.
3. The phase-change type fourth-class heat-driven compression heat pump is characterized in that a new turbine is added in the phase-change type fourth-class heat-driven compression heat pump disclosed by claim 1 or claim 2, a high-temperature heat supply device (6) is additionally provided with a liquid-state circulating working medium channel which is communicated with a heat source evaporator (5) through the new turbine (A), and the new turbine (A) is connected with a second compressor (2) and transmits power to form the phase-change type fourth-class heat-driven compression heat pump.
4. The phase-change type fourth-class thermally-driven compression heat pump mainly comprises a compressor, a second compressor, an expander, a turbine, a heat source evaporator, a high-temperature heat supply device, a low-temperature heat supply device, a refrigeration evaporator and a booster pump; the compressor (1) is provided with a circulating working medium channel which is communicated with the second compressor (2), the heat source evaporator (5) is also provided with a circulating working medium channel which is communicated with the second compressor (2), the second compressor (2) is also provided with a circulating working medium channel which is communicated with the high-temperature heat supplier (6), the high-temperature heat supplier (6) is also provided with a circulating working medium channel which is communicated with the expander (3), the expander (3) is also provided with a circulating working medium channel which is communicated with the low-temperature heat supplier (7), the low-temperature heat supplier (7) is also provided with a circulating working medium channel which is communicated with the refrigeration evaporator (8) through the turbine (4), the refrigeration evaporator (8) is also provided with a circulating working medium channel which is communicated with the compressor (1), and the low-temperature heat supplier (7) is also provided with a circulating working medium channel which is communicated with the heat source evaporator (5) through the booster pump (9); the heat source evaporator (5) is also provided with a heat source medium channel communicated with the outside, the high-temperature heat supply device (6) is also provided with a heated medium channel communicated with the outside, the low-temperature heat supply device (7) is also provided with a cooling medium channel communicated with the outside, the refrigeration evaporator (8) is also provided with a refrigerated medium channel communicated with the outside, and the expander (3) and the turbine (4) are connected with the compressor (1) and the second compressor (2) and transmit power to form the phase-change type fourth-class heat-driven compression heat pump.
5. A phase-change type fourth-class thermally-driven compression heat pump is characterized in that a new turbine is added in the phase-change type fourth-class thermally-driven compression heat pump disclosed by claim 4, a high-temperature heat supply device (6) is additionally provided with a liquid-state circulating working medium channel which is communicated with a heat source evaporator (5) through the new turbine (A), and the new turbine (A) is connected with a second compressor (2) and transmits power to form the phase-change type fourth-class thermally-driven compression heat pump.
6. A phase-change type fourth-class thermally-driven compression heat pump is characterized in that a heat regenerator is added in any one of the phase-change type fourth-class thermally-driven compression heat pumps in claim 3 or claim 5, a circulating working medium channel of the second compressor (2) is communicated with a high-temperature heat supply device (6) and adjusted to be communicated with the high-temperature heat supply device (6) through the heat regenerator (10), a circulating working medium channel of the high-temperature heat supply device (6) is communicated with an expansion machine (3) and adjusted to be communicated with the expansion machine (3) through the heat regenerator (10), and the phase-change type fourth-class thermally-driven compression heat pump is formed.
7. A phase-change type fourth-class thermally-driven compression heat pump is formed by canceling a turbine and adding a throttle valve in any one of the phase-change type fourth-class thermally-driven compression heat pumps disclosed by claims 1-6, adjusting a low-temperature heat supply device (7) with a circulating working medium channel to be communicated with a refrigeration evaporator (8) through the turbine (4) and adjusting the low-temperature heat supply device (7) with the circulating working medium channel to be communicated with the refrigeration evaporator (8) through the throttle valve (11).
8. The phase-change type fourth-class thermally driven compression heat pump is characterized in that a power machine is added in any one of the phase-change type fourth-class thermally driven compression heat pumps disclosed by claims 1-7, the power machine is connected with the second compressor (2) and provides power for the second compressor (2), and the phase-change type fourth-class thermally driven compression heat pump driven by additional external power is formed.
9. The phase-change type fourth type thermally driven compression heat pump is characterized in that a working machine is added in any one of the phase-change type fourth type thermally driven compression heat pumps disclosed by claims 1-7, and an expansion machine (3) is connected with the working machine and provides power for the working machine to form the phase-change type fourth type thermally driven compression heat pump additionally providing power load to the outside.
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2021
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