CN113465212A - 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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- 238000005057 refrigeration Methods 0.000 claims abstract description 73
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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 is provided with a circulating working medium channel which is communicated with the low-temperature heat supply device, the low-temperature heat supply device is also provided with a circulating working medium channel which is communicated with the heat source evaporator through the booster pump, the heat source evaporator is also provided with a circulating working medium channel which is respectively communicated with the second compressor and the expander, the expander is also provided with a circulating working medium channel which is communicated with the refrigeration evaporator, the second compressor is also provided with a circulating working medium channel which is communicated with the high-temperature heat supply device, the high-temperature heat supply device is also provided with a circulating working medium channel which is communicated with the refrigeration evaporator through the turbine, and the refrigeration evaporator is provided with a circulating working medium channel which is communicated with the compressor; the low-temperature heat supply device is provided with a cooling medium channel, the heat source evaporator is provided with a heat source medium channel, the high-temperature heat supply device is provided with a heated medium channel, the refrigeration evaporator and a refrigerated medium channel are 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 thermally 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 booster pump 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 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 booster pump, a second compressor, an expander, a low-temperature heat supply device, a heat source evaporator, a high-temperature heat supply device and a refrigeration evaporator; the compressor is provided with a circulating working medium channel which is communicated with the low-temperature heat supplier, the low-temperature heat supplier is also provided with a circulating working medium channel which is communicated with the heat source evaporator through the booster pump, the heat source evaporator is also provided with a circulating working medium channel which is communicated with the second compressor, the second compressor is also provided with a circulating working medium channel which is communicated with the high-temperature heat supplier, the high-temperature heat supplier is also provided with a circulating working medium channel which is communicated with the refrigeration evaporator through the expander, and the refrigeration evaporator is also provided with a circulating working medium channel which is communicated with the compressor; the low-temperature heat supply device is also provided with a cooling medium channel communicated with the outside, 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 refrigeration evaporator is also provided with a refrigerated medium channel communicated with the outside, and the expander is connected with the compressor and the second compressor and transmits power to form a phase-change type fourth-class thermally driven compression heat pump; wherein, or the expander is connected with the compressor, the booster pump and the second compressor and transmits power.
2. Phase transition type fourth kind of heat driven compression heat pump, be in 1 phase transition type fourth kind of heat driven compression heat pump in, increase the turbine, high temperature heat supply ware adds liquid cycle working medium passageway and communicates through turbine and refrigeration evaporator, the compressor is connected and power is transmitted to the turbine, forms phase transition type fourth kind of heat driven compression heat pump.
3. Phase transition type fourth kind of thermal drive compression heat pump is in 1 phase transition type fourth kind of thermal drive compression heat pump in, increase the choke valve, liquid cycle working medium passageway is add to the high temperature heat supply ware and is passed through the choke valve and refrigeration evaporator intercommunication, forms phase transition type fourth kind of thermal drive compression heat pump.
4. The phase-change type fourth-class thermally-driven compression heat pump mainly comprises a compressor, a booster pump, a second compressor, an expander, a low-temperature heat supply device, a heat source evaporator, a high-temperature heat supply device, a refrigeration evaporator and a turbine; the compressor is provided with a circulating working medium channel which is communicated with the low-temperature heat supply device, the low-temperature heat supply device is also provided with a circulating working medium channel which is communicated with the heat source evaporator through the booster pump, the heat source evaporator is also provided with a circulating working medium channel which is respectively communicated with the second compressor and the expander, the expander is also provided with a circulating working medium channel which is communicated with the refrigeration evaporator, the second compressor is also provided with a circulating working medium channel which is communicated with the high-temperature heat supply device, the high-temperature heat supply device is also provided with a circulating working medium channel which is communicated with the refrigeration evaporator through the turbine, and the refrigeration evaporator is also provided with a circulating working medium channel which is communicated with the compressor; the low-temperature heat supply device is also provided with a cooling medium channel communicated with the outside, 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 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 a phase-change type fourth-class heat-driven compression heat pump; wherein either the expander and the turbine are connected to the compressor, the booster pump and the second compressor and transmit power.
5. The phase-change type fourth-class thermally-driven compression heat pump mainly comprises a compressor, a booster pump, a second compressor, an expander, a low-temperature heat supply device, a heat source evaporator, a high-temperature heat supply device, a refrigeration evaporator and a throttle valve; the compressor is provided with a circulating working medium channel which is communicated with the low-temperature heat supply device, the low-temperature heat supply device is also provided with a circulating working medium channel which is communicated with the heat source evaporator through the booster pump, the heat source evaporator is also provided with a circulating working medium channel which is respectively communicated with the second compressor and the expander, the expander is also provided with a circulating working medium channel which is communicated with the refrigeration evaporator, the second compressor is also provided with a circulating working medium channel which is communicated with the high-temperature heat supply device, the high-temperature heat supply device is also provided with a circulating working medium channel which is communicated with the refrigeration evaporator through the throttle valve, and the refrigeration evaporator is also provided with a circulating working medium channel which is communicated with the compressor; the low-temperature heat supply device is also provided with a cooling medium channel communicated with the outside, 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 refrigeration evaporator is also provided with a refrigerated medium channel communicated with the outside, and the expander is connected with the compressor and the second compressor and transmits power to form a phase-change type fourth-class thermally driven compression heat pump; wherein, or the expander is connected with the compressor, the booster pump and the second compressor and transmits power.
6. A phase-change type fourth-class thermally-driven compression heat pump is characterized in that any one of the phase-change type fourth-class thermally-driven compression heat pumps in items 2-5 is additionally provided with a newly-added turbine, 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 newly-added turbine, and the newly-added turbine is connected with a compressor and transmits power to form the phase-change type fourth-class thermally-driven compression heat pump.
7. A phase-change type fourth-class thermally-driven compression heat pump is characterized in that a newly-added throttle valve is added in any of the phase-change type fourth-class thermally-driven compression heat pumps 2-5, 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 newly-added 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 heat regenerator is added in any one of the phase-change type fourth-class thermally-driven compression heat pumps in items 1-7, a circulating working medium channel of a compressor is communicated with a low-temperature heat supply device and adjusted to be communicated with the low-temperature heat supply device through the heat regenerator, a circulating working medium channel of the low-temperature heat supply device is communicated with a heat source evaporator through a booster pump and adjusted to be communicated with the low-temperature heat supply device through the booster pump and the heat regenerator, and the circulating working medium channel of the low-temperature heat supply device is communicated with the heat source evaporator through the booster pump and the heat regenerator, so that the phase-change type fourth-class thermally-driven compression heat pump is formed.
9. 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 1-8, the power machine is connected with a compressor and provides power for the compressor, and the phase-change type fourth-class thermally driven compression heat pump driven by additional external power is formed.
10. A phase-change type fourth type thermally driven compression heat pump is characterized in that a working machine is added in any of the phase-change type fourth type thermally driven compression heat pumps in items 1-8, 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.
Fig. 7 is a 7 th principle thermodynamic system diagram of a phase-change type fourth class thermally driven compression heat pump according to the present invention.
Fig. 8 is a diagram of 8 th principle thermodynamic system of a phase-change type fourth class thermally driven compression heat pump according to the present invention.
In the figure, 1-compressor, 2-booster pump, 3-second compressor, 4-expander, 5-low temperature heater, 6-heat source evaporator, 7-high temperature heater, 8-refrigeration evaporator, 9-turbine, 10-throttle valve, 11-regenerator; a-newly-added turbine, B-newly-added throttle valve.
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 system consists of a compressor, a booster pump, a second compressor, an expander, a low-temperature heat supply device, a heat source evaporator, a high-temperature heat supply device and a refrigeration evaporator; the compressor 1 is provided with a circulating working medium channel which is communicated with a low-temperature heat supplier 5, the low-temperature heat supplier 5 is also provided with a circulating working medium channel which is communicated with a heat source evaporator 6 through a booster pump 2, the heat source evaporator 6 is also provided with a circulating working medium channel which is communicated with a second compressor 3, the second compressor 3 is also provided with a circulating working medium channel which is communicated with a high-temperature heat supplier 7, the high-temperature heat supplier 7 is also provided with a circulating working medium channel which is communicated with a refrigeration evaporator 8 through an expander 4, and the refrigeration evaporator 8 is also provided with a circulating working medium channel which is communicated with the compressor 1; the low-temperature heat supply device 5 is also provided with a cooling medium channel communicated with the outside, the heat source evaporator 6 is also provided with a heat source medium channel communicated with the outside, the high-temperature heat supply device 7 is also provided with a heated 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 4 is connected with the compressor 1 and the second compressor 3 and transmits power.
(2) In the process, the circulating working medium discharged by the compressor 1 flows through the low-temperature heat supply device 5 to release heat and condense, flows through the booster pump 2 to boost pressure, flows through the heat source evaporator 6 to absorb heat and evaporate, flows through the second compressor 3 to boost pressure and raise temperature, flows through the high-temperature heat supply device 7 to release heat and partially condense, flows through the expansion machine 4 to reduce pressure and do work, flows through the refrigeration evaporator 8 to absorb heat and evaporate, and then enters the compressor 1 to boost pressure and raise temperature; the work output by the expander 4 is provided for the compressor 1 and the second compressor 3 as power, or the work output by the expander 4 is provided for the compressor 1 and the second compressor 3 as power and is simultaneously provided to the outside, or the expander 4 and the outside commonly provide power for the compressor 1 and the second compressor 3; the cooling medium obtains low-temperature heat load through a low-temperature heat supply device 5, the heat source medium provides medium-temperature heat load through a heat source evaporator 6, the heated medium obtains high-temperature heat load through a high-temperature heat supply device 7, and the cooled medium provides cooling load through a cooling 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 turbine is added, a liquid-state circulating working medium channel is additionally arranged on a high-temperature heat supply device 7 and is communicated with a refrigeration evaporator 8 through the turbine 9, and the turbine 9 is connected with a compressor 1 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 7 is divided into two paths, namely, the gaseous circulating working medium flows through the expansion machine 4 to be decompressed and does work and then enters the refrigeration evaporator 8, the liquid circulating working medium flows through the turbine 9 to be decompressed and does work and then enters the refrigeration evaporator 8 to absorb heat and evaporate, and the work output by the turbine 9 is provided for the compressor 1 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. 3 is realized by:
(1) structurally, in the phase-change type fourth-class thermally driven compression heat pump shown in fig. 1, a throttle valve is added, and a high-temperature heat supply device 7 is additionally provided with a liquid-state circulating working medium channel which is communicated with a refrigeration evaporator 8 through the throttle valve 10.
(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 7 is divided into two paths, namely, the gaseous circulating working medium flows through the expansion machine 4 to be decompressed and does work and then enters the refrigeration evaporator 8, and the liquid circulating working medium flows through the throttle valve 10 to be throttled and decompressed and then enters the refrigeration evaporator 8 to absorb heat and evaporate, 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 system consists of a compressor, a booster pump, a second compressor, an expander, a low-temperature heat supply device, a heat source evaporator, a high-temperature heat supply device, a refrigeration evaporator and a turbine; the compressor 1 is provided with a circulating working medium channel which is communicated with the low-temperature heat supplier 5, the low-temperature heat supplier 5 is also provided with a circulating working medium channel which is communicated with the heat source evaporator 6 through the booster pump 2, the heat source evaporator 6 is also provided with a circulating working medium channel which is respectively communicated with the second compressor 3 and the expander 4, the expander 4 is also provided with a circulating working medium channel which is communicated with the refrigeration evaporator 8, the second compressor 3 is also provided with a circulating working medium channel which is communicated with the high-temperature heat supplier 7, the high-temperature heat supplier 7 is also provided with a circulating working medium channel which is communicated with the refrigeration evaporator 8 through the turbine 9, and the refrigeration evaporator 8 is also provided with a circulating working medium channel which is communicated with the compressor 1; the low-temperature heat supply device 5 is also provided with a cooling medium channel communicated with the outside, the heat source evaporator 6 is also provided with a heat source medium channel communicated with the outside, the high-temperature heat supply device 7 is also provided with a heated 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 4 and the turbine 9 are connected with the compressor 1 and the second compressor 3 and transmit power.
(2) In the process, the circulating working medium discharged by the compressor 1 is discharged and condensed by the low-temperature heat supply device 5, is boosted by the booster pump 2 and then enters the heat source evaporator 6 for heat absorption and evaporation; the circulating working medium released by the heat source evaporator 6 is divided into two paths, wherein the first path flows through the expansion machine 4 to reduce the pressure and do work and then enters the refrigeration evaporator 8, the second path flows through the second compressor 3 to increase the pressure and the temperature, flows through the high-temperature heater 7 to release heat and condense, flows through the turbine 9 to reduce the pressure and do work and then enters the refrigeration evaporator 8; the circulating working medium in the refrigeration evaporator 8 absorbs heat and evaporates, and then enters the compressor 1 to be boosted and heated; the work output by the expander 4 and the turbine 9 is provided for the compressor 1 and the second compressor 3 as power, or the work output by the expander 4 and the turbine 9 is provided for the compressor 1 and the second compressor 3 as power and is provided to the outside at the same time, or the expander 4, the turbine 9 and the outside jointly provide power for the compressor 1 and the second compressor 3; the cooling medium obtains low-temperature heat load through a low-temperature heat supply device 5, the heat source medium provides medium-temperature heat load through a heat source evaporator 6, the heated medium obtains high-temperature heat load through a high-temperature heat supply device 7, and the cooled medium provides cooling load through a cooling 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, the system consists of a compressor, a booster pump, a second compressor, an expander, a low-temperature heat supply device, a heat source evaporator, a high-temperature heat supply device, a refrigeration evaporator and a throttle valve; the compressor 1 is provided with a circulating working medium channel communicated with the low-temperature heat supply device 5, the low-temperature heat supply device 5 is also provided with a circulating working medium channel communicated with a heat source evaporator 6 through a booster pump 2, the heat source evaporator 6 is also provided with a circulating working medium channel respectively communicated with a second compressor 3 and an expander 4, the expander 4 is also provided with a circulating working medium channel communicated with a refrigeration evaporator 8, the second compressor 3 is also provided with a circulating working medium channel communicated with a high-temperature heat supply device 7, the high-temperature heat supply device 7 is also provided with a circulating working medium channel communicated with the refrigeration evaporator 8 through a throttle valve 10, and the refrigeration evaporator 8 is also provided with a circulating working medium channel communicated with the compressor 1; the low-temperature heat supply device 5 is also provided with a cooling medium channel communicated with the outside, the heat source evaporator 6 is also provided with a heat source medium channel communicated with the outside, the high-temperature heat supply device 7 is also provided with a heated 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 4 is connected with the compressor 1 and the second compressor 3 and transmits power.
(2) In the process, the circulating working medium discharged by the compressor 1 is discharged and condensed by the low-temperature heat supply device 5, is boosted by the booster pump 2 and then enters the heat source evaporator 6 for heat absorption and evaporation; the circulating working medium released by the heat source evaporator 6 is divided into two paths, wherein the first path flows through the expansion machine 4 to reduce the pressure and do work and then enters the refrigeration evaporator 8, the second path flows through the second compressor 3 to increase the pressure and the temperature, flows through the high-temperature heater 7 to release heat and is condensed, flows through the throttle valve 10 to throttle and reduce the pressure and then enters the refrigeration evaporator 8; the circulating working medium in the refrigeration evaporator 8 absorbs heat and evaporates, and then enters the compressor 1 to be boosted and heated; the work output by the expander 4 is provided for the compressor 1 and the second compressor 3 as power, or the work output by the expander 4 is provided for the compressor 1 and the second compressor 3 as power and is simultaneously provided to the outside, or the expander 4 and the outside commonly provide power for the compressor 1 and the second compressor 3; the cooling medium obtains low-temperature heat load through a low-temperature heat supply device 5, the heat source medium provides medium-temperature heat load through a heat source evaporator 6, the heated medium obtains high-temperature heat load through a high-temperature heat supply device 7, and the cooled medium provides cooling load through a cooling 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. 6 is realized by:
(1) structurally, in the phase-change type fourth-class thermally-driven compression heat pump shown in fig. 2, a new turbine is added, a high-temperature heat supply device 7 is additionally provided with a liquid-state circulating working medium channel which is communicated with a heat source evaporator 6 through a new turbine A, and the new turbine A is connected with a compressor 1 and transmits power.
(2) Compared with the phase-change type fourth type thermally driven compression heat pump process shown in fig. 2, the added or changed process is implemented as follows: the circulating working medium of the high-temperature heater 7 is divided into three paths, namely, the gaseous circulating working medium enters the expansion machine 4 to be decompressed and does work, the first path of liquid circulating working medium enters the refrigeration evaporator 8 to absorb heat and evaporate after passing through the turbine 9 to be decompressed and does work, the second path of liquid circulating working medium enters the heat source evaporator 6 to absorb heat and evaporate after passing through the newly added turbine A to be decompressed and does work, and the work output by the newly added turbine A is provided for the compressor 1 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. 7 is realized by:
(1) structurally, in the phase-change type fourth-class thermally driven compression heat pump shown in fig. 4, a newly added throttle valve is added, and a high-temperature heat supply device 7 is additionally provided with a liquid circulating working medium channel which is communicated with a heat source evaporator 6 through a newly added throttle valve B.
(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 liquid state circulating working medium of the high temperature heat supplier 7 is divided into two paths, wherein the first path flows through the turbine 9 to reduce pressure and do work, then enters the refrigeration evaporator 8 to absorb heat and evaporate, and the second path flows through the newly added throttle valve B to throttle and reduce pressure, then enters the heat source evaporator 6 to absorb heat and evaporate, so that the phase change type fourth type heat driving compression heat pump is formed.
The phase-change type fourth-type thermally driven compression heat pump shown in fig. 8 is realized by:
(1) structurally, in the phase-change type fourth-class thermally driven compression heat pump shown in fig. 4, a heat regenerator is added, a circulating working medium channel of a compressor 1 is communicated with a low-temperature heat supply device 5 and adjusted to be communicated with the low-temperature heat supply device 5 through a circulating working medium channel of the compressor 1, and the circulating working medium channel of the low-temperature heat supply device 5 is communicated with a heat source evaporator 6 through a booster pump 2 and adjusted to be communicated with the low-temperature heat supply device 5 through the circulating working medium channel of the booster pump 2 and the heat regenerator 11 and communicated with the heat source evaporator 6.
(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 discharged by the compressor 1 flows through the heat regenerator 11 and releases heat, and then enters the low-temperature heat supplier 5; the circulating working medium discharged by the low-temperature heat supply device 5 flows through the booster pump 2 to be boosted and flows through the heat regenerator 11 to absorb heat, and then enters the heat source evaporator 6 to form the phase-change type fourth-class heat-driven compression heat pump.
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 (10)
1. The phase-change type fourth-class thermally-driven compression heat pump mainly comprises a compressor, a booster pump, a second compressor, an expander, a low-temperature heat supply device, a heat source evaporator, a high-temperature heat supply device and a refrigeration evaporator; the compressor (1) is provided with a circulating working medium channel which is communicated with the low-temperature heat supplier (5), the low-temperature heat supplier (5) is also provided with a circulating working medium channel which is communicated with the heat source evaporator (6) through the booster pump (2), the heat source evaporator (6) is also provided with a circulating working medium channel which is communicated with the second compressor (3), the second compressor (3) is also provided with a circulating working medium channel which is communicated with the high-temperature heat supplier (7), the high-temperature heat supplier (7) is also provided with a circulating working medium channel which is communicated with the refrigeration evaporator (8) through the expander (4), and the refrigeration evaporator (8) is also provided with a circulating working medium channel which is communicated with the compressor (1); the low-temperature heat supply device (5) is also provided with a cooling medium channel communicated with the outside, the heat source evaporator (6) is also provided with a heat source medium channel communicated with the outside, the high-temperature heat supply device (7) is also provided with a heated 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 (4) is connected with the compressor (1) and the second compressor (3) and transmits power to form a phase-change type fourth-class thermally driven compression heat pump; wherein, or the expander (4) is connected with the compressor (1), the booster pump (2) and the second compressor (3) and transmits power.
2. The phase-change type fourth type thermally-driven compression heat pump is characterized in that a turbine is added in the phase-change type fourth type thermally-driven compression heat pump disclosed by claim 1, a high-temperature heat supply device (7) is additionally provided with a liquid circulating working medium channel which is communicated with a refrigeration evaporator (8) through the turbine (9), and the turbine (9) is connected with a compressor (1) and transmits power to form the phase-change type fourth type thermally-driven compression heat pump.
3. The phase-change type fourth-class thermally-driven compression heat pump is characterized in that a throttling valve is added in the phase-change type fourth-class thermally-driven compression heat pump according to claim 1, a high-temperature heat supply device (7) is additionally provided with a liquid-state circulating working medium channel which is communicated with a refrigeration evaporator (8) through the throttling valve (10), and the phase-change type fourth-class thermally-driven compression heat pump is formed.
4. The phase-change type fourth-class thermally-driven compression heat pump mainly comprises a compressor, a booster pump, a second compressor, an expander, a low-temperature heat supply device, a heat source evaporator, a high-temperature heat supply device, a refrigeration evaporator and a turbine; the compressor (1) is provided with a circulating working medium channel which is communicated with the low-temperature heat supplier (5), the low-temperature heat supplier (5) is also provided with a circulating working medium channel which is communicated with the heat source evaporator (6) through the booster pump (2), the heat source evaporator (6) is also provided with a circulating working medium channel which is respectively communicated with the second compressor (3) and the expander (4), the expander (4) is also provided with a circulating working medium channel which is communicated with the refrigeration evaporator (8), the second compressor (3) is also provided with a circulating working medium channel which is communicated with the high-temperature heat supplier (7), the high-temperature heat supplier (7) is also provided with a circulating working medium channel which is communicated with the refrigeration evaporator (8) through the turbine (9), and the refrigeration evaporator (8) is also provided with a circulating working medium channel which is communicated with the compressor (1); the low-temperature heat supply device (5) is also provided with a cooling medium channel communicated with the outside, the heat source evaporator (6) is also provided with a heat source medium channel communicated with the outside, the high-temperature heat supply device (7) is also provided with a heated 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 (4) and the turbine (9) are connected with the compressor (1) and the second compressor (3) and transmit power to form a phase-change type fourth-class heat-driven compression heat pump; wherein, or the expander (4) and the turbine (9) are connected with the compressor (1), the booster pump (2) and the second compressor (3) and transmit power.
5. The phase-change type fourth-class thermally-driven compression heat pump mainly comprises a compressor, a booster pump, a second compressor, an expander, a low-temperature heat supply device, a heat source evaporator, a high-temperature heat supply device, a refrigeration evaporator and a throttle valve; the compressor (1) is provided with a circulating working medium channel which is communicated with the low-temperature heat supplier (5), the low-temperature heat supplier (5) is also provided with a circulating working medium channel which is communicated with the heat source evaporator (6) through the booster pump (2), the heat source evaporator (6) is also provided with a circulating working medium channel which is respectively communicated with the second compressor (3) and the expander (4), the expander (4) is also provided with a circulating working medium channel which is communicated with the refrigeration evaporator (8), the second compressor (3) is also provided with a circulating working medium channel which is communicated with the high-temperature heat supplier (7), the high-temperature heat supplier (7) is also provided with a circulating working medium channel which is communicated with the refrigeration evaporator (8) through the throttle valve (10), and the refrigeration evaporator (8) is also provided with a circulating working medium channel which is communicated with the compressor (1); the low-temperature heat supply device (5) is also provided with a cooling medium channel communicated with the outside, the heat source evaporator (6) is also provided with a heat source medium channel communicated with the outside, the high-temperature heat supply device (7) is also provided with a heated 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 (4) is connected with the compressor (1) and the second compressor (3) and transmits power to form a phase-change type fourth-class thermally driven compression heat pump; wherein, or the expander (4) is connected with the compressor (1), the booster pump (2) and the second compressor (3) and transmits power.
6. A 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 any one of claims 2-5, a high-temperature heat supply device (7) is additionally provided with a liquid-state circulating working medium channel which is communicated with a heat source evaporator (6) through the new turbine (A), and the new turbine (A) is connected with a compressor (1) and transmits power to form the phase-change type fourth-class heat-driven compression heat pump.
7. A phase-change type fourth-class thermally-driven compression heat pump is characterized in that a newly-added throttle valve is added in any of the phase-change type fourth-class thermally-driven compression heat pumps in claims 2-5, a high-temperature heat supply device (7) is additionally provided with a liquid circulating working medium channel which is communicated with a heat source evaporator (6) through the newly-added throttle valve (B), 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 heat regenerator is added in any one of the phase-change type fourth-class thermally-driven compression heat pumps disclosed by claims 1-7, a circulating working medium channel of a compressor (1) is communicated with a low-temperature heat supply device (5) and adjusted to be communicated with the low-temperature heat supply device (5) through the heat regenerator (11), a circulating working medium channel of the low-temperature heat supply device (5) is communicated with a heat source evaporator (6) through a booster pump (2) and adjusted to be communicated with the heat source evaporator (6) through the circulating working medium channel of the low-temperature heat supply device (5) through the booster pump (2) and the heat regenerator (11), and the phase-change type fourth-class thermally-driven compression heat pump is formed.
9. 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 1-8, the power machine is connected with the compressor (1) and provides power for the compressor (1), and the phase-change type fourth-class thermally-driven compression heat pump driven by additional external power is formed.
10. 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 1-8, and an expansion machine (4) 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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| CN106403371A (en) * | 2016-02-05 | 2017-02-15 | 李华玉 | First-type thermally-driven compression heat pump |
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