CN114198936A - Double-working medium combined cycle heat pump device - Google Patents

Double-working medium combined cycle heat pump device Download PDF

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Publication number
CN114198936A
CN114198936A CN202111331302.3A CN202111331302A CN114198936A CN 114198936 A CN114198936 A CN 114198936A CN 202111331302 A CN202111331302 A CN 202111331302A CN 114198936 A CN114198936 A CN 114198936A
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compressor
heat
communicated
temperature
low
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李鸿瑞
李华玉
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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
    • 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
    • F25B11/00—Compression machines, plants or systems, using turbines, e.g. gas turbines
    • 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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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

The invention provides a double-working-medium combined cycle heat pump device, belonging to the technical field of refrigeration and heat pumps. The compressor is divided into two paths after a circulating working medium channel is communicated with a heat supplier, wherein the first path is communicated with the heat regenerator through a second heat supplier and an expander, and the second path is directly communicated with the second compressor; the second compressor is also provided with a circulating working medium channel which is communicated with the heat regenerator, 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 a third compressor, and the heat regenerator is also provided with a circulating working medium channel which is communicated with the compressor; the low-temperature compressor is provided with a circulating working medium channel which is communicated with the low-temperature evaporator through the evaporator and the low-temperature throttle valve, and the low-temperature evaporator is also provided with a circulating working medium channel which is communicated with the low-temperature compressor; the heat supply device and the second heat supply device are also respectively communicated with the outside through heated medium channels, the low-temperature evaporator is also communicated with the outside through a low-temperature heat medium channel, and the expander is connected with the compressor and transmits power to form the double-working-medium combined cycle heat pump device.

Description

Double-working medium combined cycle heat pump device
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. 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; the low-temperature heat load acquisition is greatly influenced by the pressure reduction of the condensate, 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 heat absorption process is heating, so that a large temperature difference loss often exists in a low-temperature link during refrigeration or heating, and the performance index is unreasonable; the adaptability of the heat pump device based on a single working medium sometimes has certain limitation.
Based on the principle of refrigerating or heating simply, actively, safely and efficiently and coping with different refrigerating requirements/heating requirements as much as possible, the invention provides the dual-working-medium combined cycle heat pump device which adopts the evaporation process to absorb low-temperature heat load and the temperature change process to provide high-temperature heat load, fully utilizes the sensible heat of condensate and eliminates the pressure reduction side effect of the condensate 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 second compressor, a throttle valve, a third compressor, a heat supplier, a second heat supplier, an evaporator, a heat regenerator, a low-temperature compressor, a low-temperature throttle valve and a low-temperature evaporator; the compressor is divided into two paths after a circulating working medium channel is communicated with a heat supplier, wherein the first path is communicated with the heat regenerator through a second heat supplier and an expander, and the second path is directly communicated with the second compressor; the second compressor is also provided with a circulating working medium channel which is communicated with the heat regenerator, 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 a third compressor, and the heat regenerator is also provided with a circulating working medium channel which is communicated with the compressor; the low-temperature compressor is provided with a circulating working medium channel which is communicated with the low-temperature evaporator through the evaporator and the low-temperature throttle valve, and the low-temperature evaporator is also provided with a circulating working medium channel which is communicated with the low-temperature compressor; the heat supply device and the second heat supply device are also respectively communicated with the outside through heated medium channels, the low-temperature evaporator is also communicated with the outside through a low-temperature heat medium channel, and the expander is connected with the compressor and transmits 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 second compressor, a throttle valve, a third compressor, a heat supplier, a second heat supplier, an evaporator, a heat regenerator, a third heat supplier, a low-temperature compressor, a low-temperature throttle valve and a low-temperature evaporator; the compressor is divided into two paths after a circulating working medium channel is communicated with a heat supplier, wherein the first path is communicated with the heat regenerator through a second heat supplier and an expander, and the second path is directly communicated with the second compressor; the second compressor is also provided with a circulating working medium channel which is communicated with the heat regenerator through a third heat supplier, then the heat regenerator is communicated with the evaporator through a throttle valve and a condensed fluid pipeline, the evaporator is also provided with a circulating working medium channel which is communicated with the heat regenerator through the third compressor, and the heat regenerator is also provided with a circulating working medium channel which is communicated with the compressor; the low-temperature compressor is provided with a circulating working medium channel which is communicated with the low-temperature evaporator through the evaporator and the low-temperature throttle valve, and the low-temperature evaporator is also provided with a circulating working medium channel which is communicated with the low-temperature compressor; the heat supply device, the second heat supply device and the third heat supply device are respectively communicated with the outside through heated medium channels, the low-temperature evaporator is also communicated with the outside through a low-temperature heat medium channel, and the expander is connected with the compressor and transmits 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 second compressor, a throttle valve, a third compressor, a heat supplier, a second heat supplier, an evaporator, a heat regenerator, a spray pipe, a second heat regenerator, a low-temperature compressor, a low-temperature throttle valve and a low-temperature evaporator; the compressor is divided into two paths after a circulating working medium channel is communicated with the heat supplier, wherein the first path is communicated with the expander through the second heat supplier, and the second path is directly communicated with the second compressor; the second compressor is also provided with a circulating working medium channel which is communicated with the heat regenerator through a second heat regenerator and then is divided into two paths, wherein 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, and 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; the expander is also provided with a circulating working medium channel communicated with the heat regenerator, the evaporator is also provided with a circulating working medium channel communicated with the heat regenerator through a third compressor, and the heat regenerator is also provided with a circulating working medium channel communicated with the compressor; the low-temperature compressor is provided with a circulating working medium channel which is communicated with the low-temperature evaporator through the evaporator and the low-temperature throttle valve, and the low-temperature evaporator is also provided with a circulating working medium channel which is communicated with the low-temperature compressor; the heat supply device and the second heat supply device are also respectively communicated with the outside through heated medium channels, the low-temperature evaporator is also communicated with the outside through a low-temperature heat medium channel, and the expander is connected with the compressor and transmits 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 second compressor, a throttle valve, a third compressor, a heat supplier, a second heat supplier, an evaporator, a heat regenerator, a reheater, a low-temperature compressor, a low-temperature throttle valve and a low-temperature evaporator; the compressor is divided into two paths after a circulating working medium channel is communicated with a heat supplier, wherein the first path is communicated with an expander through a second heat supplier, the expander and a circulating working medium channel are communicated with the expander through a reheater, the expander and a circulating working medium channel are communicated with a heat regenerator, and the second path is directly communicated with the second compressor; the second compressor is also provided with a circulating working medium channel which is communicated with the heat regenerator through a reheater, 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 a third compressor, and the heat regenerator is also provided with a circulating working medium channel which is communicated with the compressor; the low-temperature compressor is provided with a circulating working medium channel which is communicated with the low-temperature evaporator through the evaporator and the low-temperature throttle valve, and the low-temperature evaporator is also provided with a circulating working medium channel which is communicated with the low-temperature compressor; the heat supply device and the second heat supply device are also respectively communicated with the outside through heated medium channels, the low-temperature evaporator is also communicated with the outside through a low-temperature heat medium channel, and the expander is connected with the compressor and transmits 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 second compressor, a throttle valve, a third compressor, a heat supplier, a second heat supplier, an evaporator, a heat regenerator, a high-temperature heat regenerator, a low-temperature compressor, a low-temperature throttle valve and a low-temperature evaporator; the compressor is provided with a circulating working medium channel which is communicated with a high-temperature heat regenerator through a heat supply device and then divided into two paths, wherein the first path is communicated with the heat regenerator through a second heat supply device and an expansion machine, and the second path is directly communicated with a second compressor; the second compressor is also provided with a circulating working medium channel which is communicated with the heat regenerator, then the heat regenerator is communicated with the evaporator through a condensate liquid pipeline, the evaporator is also provided with a circulating working medium channel which is communicated with the heat regenerator through a third compressor, and the heat regenerator is also provided with a circulating working medium channel which is communicated with the compressor through a high-temperature heat regenerator; the low-temperature compressor is provided with a circulating working medium channel which is communicated with the low-temperature evaporator through the evaporator and the low-temperature throttle valve, and the low-temperature evaporator is also provided with a circulating working medium channel which is communicated with the low-temperature compressor; the heat supply device and the second heat supply device are also respectively communicated with the outside through heated medium channels, the low-temperature evaporator is also communicated with the outside through a low-temperature heat medium channel, and the expander is connected with the compressor and transmits 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 second compressor, a throttle valve, a third compressor, a heat supplier, a second heat supplier, an evaporator, a heat regenerator, a third heat supplier, a high-temperature heat regenerator, a low-temperature compressor, a low-temperature throttle valve and a low-temperature evaporator; the compressor is provided with a circulating working medium channel which is communicated with a high-temperature heat regenerator through a heat supply device and then divided into two paths, wherein the first path is communicated with the heat regenerator through a second heat supply device and an expansion machine, and the second path is directly communicated with a second compressor; the second compressor is also provided with a circulating working medium channel which is communicated with the heat regenerator through a third heat supplier, then the heat regenerator is communicated with the evaporator through a throttle valve and a condensate liquid pipeline, the evaporator is also provided with a circulating working medium channel which is communicated with the heat regenerator through the third compressor, and the heat regenerator is also provided with a circulating working medium channel which is communicated with the compressor through a high-temperature heat regenerator; the low-temperature compressor is provided with a circulating working medium channel which is communicated with the low-temperature evaporator through the evaporator and the low-temperature throttle valve, and the low-temperature evaporator is also provided with a circulating working medium channel which is communicated with the low-temperature compressor; the heat supply device, the second heat supply device and the third heat supply device are respectively communicated with the outside through heated medium channels, the low-temperature evaporator is also communicated with the outside through a low-temperature heat medium channel, and the expander is connected with the compressor and transmits 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 second compressor, a throttle valve, a third compressor, a heat supplier, a second heat supplier, an evaporator, a heat regenerator, a spray pipe, a second heat regenerator, a high-temperature heat regenerator, a low-temperature compressor, a low-temperature throttle valve and a low-temperature evaporator; the compressor is provided with a circulating working medium channel which is communicated with the high-temperature heat regenerator through a heat supply device and then divided into two paths, wherein the first path is communicated with the expander through a second heat supply device, and the second path is directly communicated with the second compressor; the second compressor is also provided with a circulating working medium channel which is communicated with the heat regenerator through a second heat regenerator and then is divided into two paths, wherein 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, and 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; the expander is also provided with a circulating working medium channel communicated with the heat regenerator, the evaporator is also provided with a circulating working medium channel communicated with the heat regenerator through a third compressor, and the heat regenerator is also provided with a circulating working medium channel communicated with the compressor through a high-temperature heat regenerator; the low-temperature compressor is provided with a circulating working medium channel which is communicated with the low-temperature evaporator through the evaporator and the low-temperature throttle valve, and the low-temperature evaporator is also provided with a circulating working medium channel which is communicated with the low-temperature compressor; the heat supply device and the second heat supply device are also respectively communicated with the outside through heated medium channels, the low-temperature evaporator is also communicated with the outside through a low-temperature heat medium channel, and the expander is connected with the compressor and transmits 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 second compressor, a throttle valve, a third compressor, a heat supplier, a second heat supplier, an evaporator, a heat regenerator, a reheater, a high-temperature heat regenerator, a low-temperature compressor, a low-temperature throttle valve and a low-temperature evaporator; the compressor is provided with a circulating working medium channel which is communicated with a high-temperature heat regenerator through a heat supplier and then divided into two paths, wherein the first path is communicated with an expander through a second heat supplier, the expander and a circulating working medium channel are communicated with the expander through a reheater and the expander and a circulating working medium channel are communicated with the heat regenerator, and the second path is directly communicated with the second compressor; the second compressor is also provided with a circulating working medium channel which is communicated with the heat regenerator through a reheater, 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 a third compressor, and the heat regenerator is also provided with a circulating working medium channel which is communicated with the compressor through a high-temperature heat regenerator; the low-temperature compressor is provided with a circulating working medium channel which is communicated with the low-temperature evaporator through the evaporator and the low-temperature throttle valve, and the low-temperature evaporator is also provided with a circulating working medium channel which is communicated with the low-temperature compressor; the heat supply device and the second heat supply device are also respectively communicated with the outside through heated medium channels, the low-temperature evaporator is also communicated with the outside through a low-temperature heat medium channel, and the expander is connected with the compressor and transmits 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 1-4, a heated medium channel communicated with the outside by a second heat supply device is eliminated, and a heat regenerator is provided with a circulating working medium channel communicated with a compressor and adjusted to be communicated with the compressor by the heat regenerator provided with the circulating working medium channel which is communicated with the compressor through the second heat supply device, so that 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 of items 5 to 8, a heated medium channel communicated with the outside by a second heat supply device is eliminated, a heat regenerator with a cycle working medium channel is communicated with a compressor by a high-temperature heat regenerator, and the heat regenerator with the cycle working medium channel is adjusted to be communicated with the compressor by the second heat supply device and the high-temperature heat regenerator, so that the dual-working medium combined cycle heat pump device is formed.
11. 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 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 compressor and transmits power to form the dual working medium combined cycle heat pump device.
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 1-11, a low-temperature throttle valve is omitted, a turbine is added, a circulating working medium channel of a low-temperature compressor is communicated with a low-temperature evaporator through an evaporator and the low-temperature throttle valve, the low-temperature compressor is adjusted to be communicated with the low-temperature evaporator through the evaporator and the added turbine, and the added turbine is connected with the low-temperature compressor and transmits power to form the dual-working medium combined cycle heat pump device.
13. 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 1-11, a newly-added dual-energy compressor is added to replace a low-temperature compressor, a newly-added spray pipe is added to replace a low-temperature throttle valve, 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-second compressor, 4-throttle valve, 5-third compressor, 6-heater, 7-second heater, 8-evaporator, 9-regenerator, 10-third heater, 11-spray pipe, 12-second regenerator, 13-reheater, 14-high temperature regenerator, 15-turbine; a-a low-temperature compressor, B-a low-temperature throttle valve, C-a low-temperature evaporator, D-a newly-added turbine, E-a newly-added dual-energy compressor and F-a newly-added spray pipe.
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 second compressor, a throttle valve, a third compressor, a heat supplier, a second heat supplier, an evaporator, a heat regenerator, a low-temperature compressor, a low-temperature throttle valve and a low-temperature evaporator; the compressor 1 is divided into two paths after a circulating working medium channel is communicated with a heat supplier 6, wherein the first path is communicated with a heat regenerator 9 through a second heat supplier 7 and an expander 2, and the second path is directly communicated with a second compressor 3; the second compressor 3 is also provided with a circulating working medium channel which is communicated with the heat regenerator 9, then the heat regenerator 9 is communicated with the evaporator 8 through a condensate pipeline by the throttle valve 4, the evaporator 8 is also provided with a circulating working medium channel which is communicated with the heat regenerator 9 by the third compressor 5, and the heat regenerator 9 is also provided with a circulating working medium channel which is communicated with the compressor 1; the low-temperature compressor A is provided with a circulating working medium channel which is communicated with a low-temperature evaporator C through an evaporator 8 and a low-temperature throttle valve B, and the low-temperature evaporator C is also provided with a circulating working medium channel which is communicated with the low-temperature compressor A; the heat supply device 6 and the second heat supply device 7 are also respectively communicated with the outside through heated medium channels, the low-temperature evaporator C is also communicated with the outside through a low-temperature heat medium channel, and the expander 2 is connected with the compressor 1 and transmits power.
(2) In the process, the circulating working media discharged by the expander 2 and the third compressor 5 enter the heat regenerator 9 to absorb heat and raise temperature, and then enter the compressor 1 to raise the pressure and raise the temperature; the circulating working medium discharged by the compressor 1 flows through the heat supplier 6 and releases heat, and then is divided into two paths, wherein the first path flows through the second heat supplier 7 to release heat, flows through the expander 2 to reduce the pressure and do work, and then enters the heat regenerator 9, and the second path flows through the second compressor 3 to increase the pressure and the temperature, flows through the heat regenerator 9 to release heat and condense, flows through the throttle valve 4 to throttle and reduce the pressure, and then enters the evaporator 8; the circulating working medium entering the evaporator 8 absorbs heat and is vaporized, flows through the third compressor 5 to be boosted and heated, and then enters the heat regenerator 9; circulating working medium discharged by the low-temperature compressor A releases heat and is condensed through the evaporator 8, throttled and depressurized through the low-temperature throttle valve B, absorbed and evaporated through the low-temperature evaporator C, and then enters the low-temperature compressor A to be boosted and heated; the heated medium obtains high-temperature heat load through the heat supplier 6 and the second heat supplier 7, the low-temperature heat load is provided by the low-temperature heat medium through the low-temperature evaporator C, and the external part and the expander 2 jointly provide power for the compressor 1, the second compressor 3, the third compressor 5 and the low-temperature compressor A, 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 system mainly comprises a compressor, an expander, a second compressor, a throttle valve, a third compressor, a heat supplier, a second heat supplier, an evaporator, a heat regenerator, a third heat supplier, a low-temperature compressor, a low-temperature throttle valve and a low-temperature evaporator; the compressor 1 is divided into two paths after a circulating working medium channel is communicated with a heat supplier 6, wherein the first path is communicated with a heat regenerator 9 through a second heat supplier 7 and an expander 2, and the second path is directly communicated with a second compressor 3; the second compressor 3 is also provided with a circulating working medium channel which is communicated with a heat regenerator 9 through a third heat supplier 10, then the heat regenerator 9 is communicated with an evaporator 8 through a condensate pipeline by a throttle valve 4, the evaporator 8 is also provided with a circulating working medium channel which is communicated with the heat regenerator 9 through a third compressor 5, and the heat regenerator 9 is also provided with a circulating working medium channel which is communicated with the compressor 1; the low-temperature compressor A is provided with a circulating working medium channel which is communicated with a low-temperature evaporator C through an evaporator 8 and a low-temperature throttle valve B, and the low-temperature evaporator C is also provided with a circulating working medium channel which is communicated with the low-temperature compressor A; the heat supply device 6, the second heat supply device 7 and the third heat supply device 10 are also respectively communicated with the outside through heated medium channels, the low-temperature evaporator C is also communicated with the outside through a low-temperature heat medium channel, and the expander 2 is connected with the compressor 1 and transmits power.
(2) In the process, the circulating working media discharged by the expander 2 and the third compressor 5 enter the heat regenerator 9 to absorb heat and raise temperature, and then enter the compressor 1 to raise the pressure and raise the temperature; the circulating working medium discharged by the compressor 1 flows through the heat supplier 6 and releases heat, and then is divided into two paths, wherein the first path flows through the second heat supplier 7 to release heat and flows through the expander 2 to reduce the pressure and do work and then enters the heat regenerator 9, the second path flows through the second compressor 3 to increase the pressure and the temperature, flows through the third heat supplier 10 to release heat, flows through the heat regenerator 9 to release heat and condense, flows through the throttle valve 4 to reduce the pressure, and then enters the evaporator 8; the circulating working medium entering the evaporator 8 absorbs heat and is vaporized, flows through the third compressor 5 to be boosted and heated, and then enters the heat regenerator 9; circulating working medium discharged by the low-temperature compressor A releases heat and is condensed through the evaporator 8, throttled and depressurized through the low-temperature throttle valve B, absorbed and evaporated through the low-temperature evaporator C, and then enters the low-temperature compressor A to be boosted and heated; the heated medium obtains high-temperature heat load through the heat supplier 6, the second heat supplier 7 and the third heat supplier 10, the low-temperature heat load is provided by the low-temperature heat medium through the low-temperature evaporator C, and the power is provided for the compressor 1, the second compressor 3, the third compressor 5 and the low-temperature compressor A by the exterior and the expander 2 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 heat recovery system mainly comprises a compressor, an expander, a second compressor, a throttle valve, a third compressor, a heat supplier, a second heat supplier, an evaporator, a heat regenerator, a spray pipe, a second heat regenerator, a low-temperature compressor, a low-temperature throttle valve and a low-temperature evaporator; the compressor 1 is divided into two paths after a circulating working medium channel is communicated with a heat supply device 6, wherein the first path is communicated with the expander 2 through a second heat supply device 7, and the second path is directly communicated with the second compressor 3; the second compressor 3 is also provided with a circulating working medium channel which is communicated with the heat regenerator 9 through a second heat regenerator 12 and then is divided into two paths, wherein the first path is led out from the middle or the tail end of the heat regenerator 9, passes through a spray pipe 11 and the second heat regenerator 12 and then is communicated with the expander 2 through a middle air inlet port, and the second path is led out from the tail end of the heat regenerator 9 and then is communicated with the evaporator 8 through a throttle valve 4; the expander 2 is also provided with a circulating working medium channel which is communicated with the heat regenerator 9, the evaporator 8 is also provided with a circulating working medium channel which is communicated with the heat regenerator 9 through the third compressor 5, and the heat regenerator 9 is also provided with a circulating working medium channel which is communicated with the compressor 1; the low-temperature compressor A is provided with a circulating working medium channel which is communicated with a low-temperature evaporator C through an evaporator 8 and a low-temperature throttle valve B, and the low-temperature evaporator C is also provided with a circulating working medium channel which is communicated with the low-temperature compressor A; the heat supply device 6 and the second heat supply device 7 are also respectively communicated with the outside through heated medium channels, the low-temperature evaporator C is also communicated with the outside through a low-temperature heat medium channel, and the expander 2 is connected with the compressor 1 and transmits power.
(2) In the process, the circulating working media discharged by the expander 2 and the third compressor 5 enter the heat regenerator 9 to absorb heat and raise temperature, and then enter the compressor 1 to raise the pressure and raise the temperature; the circulating working medium discharged by the compressor 1 flows through the heat supply device 6 and releases heat, and then is divided into two paths, wherein the first path flows through the second heat supply device 7 to release heat, flows through the expansion machine 2 to reduce the pressure and do work, and then enters the heat regenerator 9, and the second path enters the second compressor 3 to increase the pressure and the temperature; the circulating working medium discharged by the second compressor 3 flows through the second heat regenerator 12 and releases heat, then enters the heat regenerator 9 to release heat and is partially or completely condensed and then is divided into two paths, wherein the first path flows through the spray pipe 11 to reduce the pressure and increase the speed, flows through the second heat regenerator 12 to absorb heat, enters the expander 2 through the middle air inlet port to reduce the pressure and apply work, and then enters the heat regenerator 9, and the second path of condensate or the second path of condensate after continuing heat release enters the evaporator 8 after being throttled and reduced in pressure by the throttle valve 4; the circulating working medium entering the evaporator 8 absorbs heat and is vaporized, flows through the third compressor 5 to be boosted and heated, and then enters the heat regenerator 9; circulating working medium discharged by the low-temperature compressor A releases heat and is condensed through the evaporator 8, throttled and depressurized through the low-temperature throttle valve B, absorbed and evaporated through the low-temperature evaporator C, and then enters the low-temperature compressor A to be boosted and heated; the heated medium obtains high-temperature heat load through the heat supplier 6 and the second heat supplier 7, the low-temperature heat load is provided by the low-temperature heat medium through the low-temperature evaporator C, and the external part and the expander 2 jointly provide power for the compressor 1, the second compressor 3, the third compressor 5 and the low-temperature compressor A, 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 second compressor, a throttle valve, a third compressor, a heat supplier, a second heat supplier, an evaporator, a heat regenerator, a reheater, a low-temperature compressor, a low-temperature throttle valve and a low-temperature evaporator; the compressor 1 is divided into two paths after a circulating working medium channel is communicated with a heat supplier 6, wherein the first path is communicated with the expander 2 through a second heat supplier 7, the expander 2 and the circulating working medium channel are communicated with the expander 2 through a reheater 13, the expander 2 and the circulating working medium channel are communicated with a heat regenerator 9, and the second path is directly communicated with the second compressor 3; the second compressor 3 is also provided with a circulating working medium channel which is communicated with the heat regenerator 9 through a reheater 13, then the heat regenerator 9 is communicated with the evaporator 8 through a condensate pipeline through a throttle valve 4, the evaporator 8 is also provided with a circulating working medium channel which is communicated with the heat regenerator 9 through a third compressor 5, and the heat regenerator 9 is also provided with a circulating working medium channel which is communicated with the compressor 1; the low-temperature compressor A is provided with a circulating working medium channel which is communicated with a low-temperature evaporator C through an evaporator 8 and a low-temperature throttle valve B, and the low-temperature evaporator C is also provided with a circulating working medium channel which is communicated with the low-temperature compressor A; the heat supply device 6 and the second heat supply device 7 are also respectively communicated with the outside through heated medium channels, the low-temperature evaporator C is also communicated with the outside through a low-temperature heat medium channel, and the expander 2 is connected with the compressor 1 and transmits power.
(2) In the process, the circulating working media discharged by the expander 2 and the third compressor 5 enter the heat regenerator 9 to absorb heat and raise temperature, and then enter the compressor 1 to raise the pressure and raise the temperature; the circulating working medium discharged by the compressor 1 flows through the heat supplier 6 and releases heat, and then is divided into two paths, wherein the first path flows through the second heat supplier 7 to release heat and then enters the expander 2, and the second path enters the second compressor 3 to increase the pressure and the temperature; the circulating working medium entering the expander 2 is decompressed and does work to a certain degree, then flows through the reheater 13 to absorb heat, enters the expander 2 to continue decompressing and doing work, and then enters the heat regenerator 9, the circulating working medium discharged by the second compressor 3 flows through the reheater 13 to release heat, flows through the heat regenerator 9 to release heat and condense, flows through the throttle valve 4 to throttle and decompress, and then enters the evaporator 8; the circulating working medium entering the evaporator 8 absorbs heat and is vaporized, flows through the third compressor 5 to be boosted and heated, and then enters the heat regenerator 9; circulating working medium discharged by the low-temperature compressor A releases heat and is condensed through the evaporator 8, throttled and depressurized through the low-temperature throttle valve B, absorbed and evaporated through the low-temperature evaporator C, and then enters the low-temperature compressor A to be boosted and heated; the heated medium obtains high-temperature heat load through the heat supplier 6 and the second heat supplier 7, the low-temperature heat load is provided by the low-temperature heat medium through the low-temperature evaporator C, and the external part and the expander 2 jointly provide power for the compressor 1, the second compressor 3, the third compressor 5 and the low-temperature compressor A, 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 second compressor, a throttle valve, a third compressor, a heat supplier, a second heat supplier, an evaporator, a heat regenerator, a high-temperature heat regenerator, a low-temperature compressor, a low-temperature throttle valve and a low-temperature evaporator; the compressor 1 is provided with a circulating working medium channel which is communicated with a high-temperature heat regenerator 14 through a heat supplier 6 and then divided into two paths, wherein the first path is communicated with a heat regenerator 9 through a second heat supplier 7 and an expander 2, and the second path is directly communicated with a second compressor 3; the second compressor 3 is also provided with a circulating working medium channel which is communicated with the heat regenerator 9, then the heat regenerator 9 is communicated with the evaporator 8 through a condensate pipeline by the throttle valve 4, the evaporator 8 is also provided with a circulating working medium channel which is communicated with the heat regenerator 9 by the third compressor 5, and the heat regenerator 9 is also provided with a circulating working medium channel which is communicated with the compressor 1 by the high-temperature heat regenerator 14; the low-temperature compressor A is provided with a circulating working medium channel which is communicated with a low-temperature evaporator C through an evaporator 8 and a low-temperature throttle valve B, and the low-temperature evaporator C is also provided with a circulating working medium channel which is communicated with the low-temperature compressor A; the heat supply device 6 and the second heat supply device 7 are also respectively communicated with the outside through heated medium channels, the low-temperature evaporator C is also communicated with the outside through a low-temperature heat medium channel, and the expander 2 is connected with the compressor 1 and transmits power.
(2) In the process, the circulating working media discharged by the expander 2 and the third compressor 5 flow through the heat regenerator 9 and the high-temperature heat regenerator 14 to gradually absorb heat and raise the temperature, and then enter the compressor 1 to raise the pressure and raise the temperature; the circulating working medium discharged by the compressor 1 gradually releases heat and cools through the heat supply device 6 and the high-temperature heat regenerator 14, and then is divided into two paths, namely a first path flows through the second heat supply device 7 to release heat and flows through the expander 2 to reduce the pressure and do work and then enters the heat regenerator 9, and a second path flows through the second compressor 3 to increase the pressure and temperature, flows through the heat regenerator 9 to release heat and condense, flows through the throttle valve 4 to reduce the pressure and then enters the evaporator 8; the circulating working medium entering the evaporator 8 absorbs heat and is vaporized, flows through the third compressor 5 to be boosted and heated, and then enters the heat regenerator 9; circulating working medium discharged by the low-temperature compressor A releases heat and is condensed through the evaporator 8, throttled and depressurized through the low-temperature throttle valve B, absorbed and evaporated through the low-temperature evaporator C, and then enters the low-temperature compressor A to be boosted and heated; the heated medium obtains high-temperature heat load through the heat supplier 6 and the second heat supplier 7, the low-temperature heat load is provided by the low-temperature heat medium through the low-temperature evaporator C, and the external part and the expander 2 jointly provide power for the compressor 1, the second compressor 3, the third compressor 5 and the low-temperature compressor A, 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, a heated medium channel communicated with the outside by the second heat supply device 7 is eliminated, and the heat regenerator 9 is adjusted to be communicated with the compressor 1 by a circulating working medium channel, so that the heat regenerator 9 is communicated with the compressor 1 by the second heat supply device 7 by the circulating working medium channel.
(2) In the process, the circulating working medium discharged by the expander 2 and the third compressor 5 enters the heat regenerator 9 to absorb heat and raise temperature, flows through the second heat supplier 7 to absorb heat and raise temperature, and then enters the compressor 1 to boost pressure and raise temperature; the circulating working medium discharged by the compressor 1 flows through the heat supplier 6 and releases heat, and then is divided into two paths, wherein the first path flows through the second heat supplier 7 to release heat, flows through the expander 2 to reduce the pressure and do work, and then enters the heat regenerator 9, and the second path flows through the second compressor 3 to increase the pressure and the temperature, flows through the heat regenerator 9 to release heat and condense, flows through the throttle valve 4 to throttle and reduce the pressure, and then enters the evaporator 8; the circulating working medium entering the evaporator 8 absorbs heat and is vaporized, flows through the third compressor 5 to be boosted and heated, and then enters the heat regenerator 9; circulating working medium discharged by the low-temperature compressor A releases heat and is condensed through the evaporator 8, throttled and depressurized through the low-temperature throttle valve B, absorbed and evaporated through the low-temperature evaporator C, and then enters the low-temperature compressor A to be boosted and heated; the heated medium obtains high-temperature heat load through the heater 6, the low-temperature heat load is provided by the low-temperature evaporator C, and the external part and the expander 2 jointly provide power for the compressor 1, the second compressor 3, the third compressor 5 and the low-temperature compressor A, 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. 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 9 is communicated with an evaporator 8 through a throttle valve 4, the condensed liquid pipeline of the heat regenerator 9 is adjusted to be communicated with the evaporator 8 through a turbine 15, and the turbine 15 is connected with a compressor 1 and transmits power.
(2) Compared with 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 compressor 1 flows through the heat supplier 6 and releases heat, and then is divided into two paths, wherein the first path flows through the second heat supplier 7 to release heat and flows through the expander 2 to reduce pressure and do work and then enters the heat regenerator 9, and the second path flows through the second compressor 3 to increase pressure and temperature, flows through the heat regenerator 9 to release heat and condense, flows through the turbine 15 to reduce pressure and do work and then enters the evaporator 8; the work output by the turbine 15 is supplied to the compressor 1 as power to form a dual-working-medium combined-cycle heat pump apparatus.
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 low-temperature throttle valve is omitted, a new turbine is added, a circulating working medium channel of a low-temperature compressor A is communicated with a low-temperature evaporator C through an evaporator 8 and a low-temperature throttle valve B, the low-temperature compressor A is adjusted to be communicated with the low-temperature evaporator C through the evaporator 8 and a new turbine D, and the new turbine D is connected with the low-temperature compressor A and transmits power.
(2) Compared with the dual-working-medium combined cycle heat pump device shown in fig. 1, the difference in the flow is that: circulating working medium discharged by the low-temperature compressor A flows through the evaporator 8 to release heat and condense, flows through the newly-added turbine D to reduce pressure and do work, flows through the low-temperature evaporator C to absorb heat and evaporate, and then enters the low-temperature compressor A to increase pressure and temperature; the work output by the new turbine D is provided for the low-temperature compressor A as power, and a double-working-medium combined cycle heat pump device is formed.
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, a newly-added dual-energy compressor E is added to replace a low-temperature compressor a, and a newly-added spray pipe F is added to replace a low-temperature throttle valve B.
(2) Compared with the dual-working-medium combined cycle heat pump device shown in fig. 1, the difference in the flow is that: circulating working media discharged by the newly-added dual-energy compressor E flow through the evaporator 8 to release heat and condense, flow through the newly-added spray pipe F to reduce the pressure and increase the speed, flow through the low-temperature evaporator C to absorb heat and evaporate, and then enter the newly-added dual-energy compressor E to increase the pressure, increase the temperature and reduce the speed; the external part and the expander 2 jointly provide power for the compressor 1, the second compressor 3, the third compressor 5 and the newly-added dual-energy compressor E to form a dual-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) High-temperature heat supply is realized under lower working pressure, and the safety of the device is improved.
(7) The adoption of double working media is beneficial to expanding the refrigeration and heat supply parameter range and regulating the pressure parameter range.
(8) 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.
(9) And 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 is solved.
(10) The application range is wide, the energy supply requirement can be well met, and the working medium and the working parameters are flexibly matched.
(11) The mechanical compression type heat pump technology is expanded, and the utilization value and range of mechanical energy in the refrigeration and heat supply fields are improved.

Claims (13)

1. The double-working medium combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a throttle valve, a third compressor, a heat supplier, a second heat supplier, an evaporator, a heat regenerator, a low-temperature compressor, a low-temperature throttle valve and a low-temperature evaporator; the compressor (1) is provided with a circulating working medium channel which is communicated with the heat supplier (6) and then divided into two paths, wherein the first path is communicated with the heat supplier (9) through the second heat supplier (7) and the expander (2), and the second path is directly communicated with the second compressor (3); the second compressor (3) is also provided with a circulating working medium channel which is communicated with the heat regenerator (9), then the heat regenerator (9) is communicated with the evaporator (8) through a condensate pipeline by a throttle valve (4), the evaporator (8) is also provided with a circulating working medium channel which is communicated with the heat regenerator (9) through a third compressor (5), and the heat regenerator (9) is also provided with a circulating working medium channel which is communicated with the compressor (1); the low-temperature compressor (A) is provided with a circulating working medium channel which is communicated with a low-temperature evaporator (C) through an evaporator (8) and a low-temperature throttle valve (B), and the low-temperature evaporator (C) is also provided with a circulating working medium channel which is communicated with the low-temperature compressor (A); the heat supply device (6) and the second heat supply device (7) are also respectively communicated with the outside through a heated medium channel, the low-temperature evaporator (C) is also communicated with the outside through a low-temperature heat medium channel, and the expander (2) is connected with the compressor (1) and transmits 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 second compressor, a throttle valve, a third compressor, a heat supplier, a second heat supplier, an evaporator, a heat regenerator, a third heat supplier, a low-temperature compressor, a low-temperature throttle valve and a low-temperature evaporator; the compressor (1) is provided with a circulating working medium channel which is communicated with the heat supplier (6) and then divided into two paths, wherein the first path is communicated with the heat supplier (9) through the second heat supplier (7) and the expander (2), and the second path is directly communicated with the second compressor (3); the second compressor (3) is also provided with a circulating working medium channel which is communicated with the heat regenerator (9) through a third heat supplier (10), then the heat regenerator (9) is communicated with the evaporator (8) through a condensate pipeline, the evaporator (8) is also provided with a circulating working medium channel which is communicated with the heat regenerator (9) through a third compressor (5), and the heat regenerator (9) is also provided with a circulating working medium channel which is communicated with the compressor (1); the low-temperature compressor (A) is provided with a circulating working medium channel which is communicated with a low-temperature evaporator (C) through an evaporator (8) and a low-temperature throttle valve (B), and the low-temperature evaporator (C) is also provided with a circulating working medium channel which is communicated with the low-temperature compressor (A); the heat supply device (6), the second heat supply device (7) and the third heat supply device (10) are respectively communicated with the outside through a heated medium channel, the low-temperature evaporator (C) is also communicated with the outside through a low-temperature heat medium channel, and the expander (2) is connected with the compressor (1) and transmits 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 second compressor, a throttle valve, a third compressor, a heat supplier, a second heat supplier, an evaporator, a heat regenerator, a spray pipe, a second heat regenerator, a low-temperature compressor, a low-temperature throttle valve and a low-temperature evaporator; the compressor (1) is provided with a circulating working medium channel which is communicated with the heat supplier (6) and then divided into two paths, wherein the first path is communicated with the expander (2) through the second heat supplier (7), and the second path is directly communicated with the second compressor (3); the second compressor (3) is also provided with a circulating working medium channel which is communicated with the heat regenerator (9) through a second heat regenerator (12) and then divided into two paths, wherein the first path is led out from the middle or the tail end of the heat regenerator (9), passes through a spray pipe (11) and the second heat regenerator (12), is communicated with the expander (2) through a middle air inlet port, and the second path is led out from the tail end of the heat regenerator (9) and is communicated with the evaporator (8) through a throttle valve (4); the expander (2) is also provided with a circulating working medium channel which is communicated with the heat regenerator (9), the evaporator (8) is also provided with a circulating working medium channel which is communicated with the heat regenerator (9) through a third compressor (5), and the heat regenerator (9) is also provided with a circulating working medium channel which is communicated with the compressor (1); the low-temperature compressor (A) is provided with a circulating working medium channel which is communicated with a low-temperature evaporator (C) through an evaporator (8) and a low-temperature throttle valve (B), and the low-temperature evaporator (C) is also provided with a circulating working medium channel which is communicated with the low-temperature compressor (A); the heat supply device (6) and the second heat supply device (7) are also respectively communicated with the outside through a heated medium channel, the low-temperature evaporator (C) is also communicated with the outside through a low-temperature heat medium channel, and the expander (2) is connected with the compressor (1) and transmits 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 second compressor, a throttle valve, a third compressor, a heat supplier, a second heat supplier, an evaporator, a heat regenerator, a reheater, a low-temperature compressor, a low-temperature throttle valve and a low-temperature evaporator; the compressor (1) is provided with a circulating working medium channel which is communicated with the heat supplier (6) and then divided into two paths, wherein the first path is communicated with the expander (2) through the second heat supplier (7), the expander (2) is also provided with a circulating working medium channel which is communicated with the expander (2) through the reheater (13), the expander (2) is also provided with a circulating working medium channel which is communicated with the reheater (9), and the second path is directly communicated with the second compressor (3); the second compressor (3) is also provided with a circulating working medium channel which is communicated with the heat regenerator (9) through a reheater (13), then the heat regenerator (9) is communicated with the evaporator (8) through a condensate pipeline through a throttle valve (4), the evaporator (8) is also provided with a circulating working medium channel which is communicated with the heat regenerator (9) through a third compressor (5), and the heat regenerator (9) is also provided with a circulating working medium channel which is communicated with the compressor (1); the low-temperature compressor (A) is provided with a circulating working medium channel which is communicated with a low-temperature evaporator (C) through an evaporator (8) and a low-temperature throttle valve (B), and the low-temperature evaporator (C) is also provided with a circulating working medium channel which is communicated with the low-temperature compressor (A); the heat supply device (6) and the second heat supply device (7) are also respectively communicated with the outside through a heated medium channel, the low-temperature evaporator (C) is also communicated with the outside through a low-temperature heat medium channel, and the expander (2) is connected with the compressor (1) and transmits 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 second compressor, a throttle valve, a third compressor, a heat supplier, a second heat supplier, an evaporator, a heat regenerator, a high-temperature heat regenerator, a low-temperature compressor, a low-temperature throttle valve and a low-temperature evaporator; the compressor (1) is provided with a circulating working medium channel which is communicated with a high-temperature heat regenerator (14) through a heat supplier (6) and then divided into two paths, wherein the first path is communicated with the heat regenerator (9) through a second heat supplier (7) and an expander (2), and the second path is directly communicated with the second compressor (3); the second compressor (3) is also provided with a circulating working medium channel which is communicated with the heat regenerator (9), then the heat regenerator (9) is communicated with the evaporator (8) through a condensate pipeline by a throttle valve (4), the evaporator (8) is also provided with a circulating working medium channel which is communicated with the heat regenerator (9) through a third compressor (5), and the heat regenerator (9) is also provided with a circulating working medium channel which is communicated with the compressor (1) through a high-temperature heat regenerator (14); the low-temperature compressor (A) is provided with a circulating working medium channel which is communicated with a low-temperature evaporator (C) through an evaporator (8) and a low-temperature throttle valve (B), and the low-temperature evaporator (C) is also provided with a circulating working medium channel which is communicated with the low-temperature compressor (A); the heat supply device (6) and the second heat supply device (7) are also respectively communicated with the outside through a heated medium channel, the low-temperature evaporator (C) is also communicated with the outside through a low-temperature heat medium channel, and the expander (2) is connected with the compressor (1) and transmits 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 second compressor, a throttle valve, a third compressor, a heat supplier, a second heat supplier, an evaporator, a heat regenerator, a third heat supplier, a high-temperature heat regenerator, a low-temperature compressor, a low-temperature throttle valve and a low-temperature evaporator; the compressor (1) is provided with a circulating working medium channel which is communicated with a high-temperature heat regenerator (14) through a heat supplier (6) and then divided into two paths, wherein the first path is communicated with the heat regenerator (9) through a second heat supplier (7) and an expander (2), and the second path is directly communicated with the second compressor (3); the second compressor (3) is also provided with a circulating working medium channel which is communicated with the heat regenerator (9) through a third heat supplier (10), then the heat regenerator (9) is communicated with the evaporator (8) through a condensate pipeline, the evaporator (8) is also provided with a circulating working medium channel which is communicated with the heat regenerator (9) through a third compressor (5), and the heat regenerator (9) is also provided with a circulating working medium channel which is communicated with the compressor (1) through a high-temperature heat regenerator (14); the low-temperature compressor (A) is provided with a circulating working medium channel which is communicated with a low-temperature evaporator (C) through an evaporator (8) and a low-temperature throttle valve (B), and the low-temperature evaporator (C) is also provided with a circulating working medium channel which is communicated with the low-temperature compressor (A); the heat supply device (6), the second heat supply device (7) and the third heat supply device (10) are respectively communicated with the outside through a heated medium channel, the low-temperature evaporator (C) is also communicated with the outside through a low-temperature heat medium channel, and the expander (2) is connected with the compressor (1) and transmits 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 second compressor, a throttle valve, a third compressor, a heat supplier, a second heat supplier, an evaporator, a heat regenerator, a spray pipe, a second heat regenerator, a high-temperature heat regenerator, a low-temperature compressor, a low-temperature throttle valve and a low-temperature evaporator; the compressor (1) is provided with a circulating working medium channel which is communicated with a high-temperature heat regenerator (14) through a heat supplier (6) and then divided into two paths, wherein the first path is communicated with the expander (2) through a second heat supplier (7), and the second path is directly communicated with the second compressor (3); the second compressor (3) is also provided with a circulating working medium channel which is communicated with the heat regenerator (9) through a second heat regenerator (12) and then divided into two paths, wherein the first path is led out from the middle or the tail end of the heat regenerator (9), passes through a spray pipe (11) and the second heat regenerator (12), is communicated with the expander (2) through a middle air inlet port, and the second path is led out from the tail end of the heat regenerator (9) and is communicated with the evaporator (8) through a throttle valve (4); the expander (2) is also provided with a circulating working medium channel which is communicated with the heat regenerator (9), the evaporator (8) is also provided with a circulating working medium channel which is communicated with the heat regenerator (9) through a third compressor (5), and the heat regenerator (9) is also provided with a circulating working medium channel which is communicated with the compressor (1) through a high-temperature heat regenerator (14); the low-temperature compressor (A) is provided with a circulating working medium channel which is communicated with a low-temperature evaporator (C) through an evaporator (8) and a low-temperature throttle valve (B), and the low-temperature evaporator (C) is also provided with a circulating working medium channel which is communicated with the low-temperature compressor (A); the heat supply device (6) and the second heat supply device (7) are also respectively communicated with the outside through a heated medium channel, the low-temperature evaporator (C) is also communicated with the outside through a low-temperature heat medium channel, and the expander (2) is connected with the compressor (1) and transmits 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 second compressor, a throttle valve, a third compressor, a heat supplier, a second heat supplier, an evaporator, a heat regenerator, a reheater, a high-temperature heat regenerator, a low-temperature compressor, a low-temperature throttle valve and a low-temperature evaporator; the compressor (1) is provided with a circulating working medium channel which is communicated with a high-temperature heat regenerator (14) through a heat supplier (6) and then divided into two paths, wherein the first path is communicated with an expander (2) through a second heat supplier (7), the expander (2) is also provided with a circulating working medium channel which is communicated with the expander (2) through a reheater (13), the expander (2) is also provided with a circulating working medium channel which is communicated with a heat regenerator (9), and the second path is directly communicated with the second compressor (3); the second compressor (3) is also provided with a circulating working medium channel which is communicated with the heat regenerator (9) through a reheater (13), then the heat regenerator (9) is communicated with the evaporator (8) through a condensate pipeline through a throttle valve (4), the evaporator (8) is also provided with a circulating working medium channel which is communicated with the heat regenerator (9) through a third compressor (5), and the heat regenerator (9) is also provided with a circulating working medium channel which is communicated with the compressor (1) through a high-temperature heat regenerator (14); the low-temperature compressor (A) is provided with a circulating working medium channel which is communicated with a low-temperature evaporator (C) through an evaporator (8) and a low-temperature throttle valve (B), and the low-temperature evaporator (C) is also provided with a circulating working medium channel which is communicated with the low-temperature compressor (A); the heat supply device (6) and the second heat supply device (7) are also respectively communicated with the outside through a heated medium channel, the low-temperature evaporator (C) is also communicated with the outside through a low-temperature heat medium channel, and the expander (2) is connected with the compressor (1) and transmits power to form the double-working-medium combined cycle heat pump device.
9. 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 4, a heated medium channel of a second heat supply device (7) communicated with the outside is eliminated, the communication between the heat regenerator (9) and a compressor (1) is adjusted to the condition that the heat regenerator (9) is provided with a circulating working medium channel communicated with the compressor (1) through the second heat supply device (7), and the double 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 the claims 5 to 8, a heated medium channel of a second heat supply device (7) communicated with the outside is eliminated, a heat regenerator (9) is provided with a circulating working medium channel which is communicated with a compressor (1) through a high-temperature heat regenerator (14) and is adjusted to be that the heat regenerator (9) is provided with a circulating working medium channel which is communicated with the compressor (1) through the second heat supply device (7) and the high-temperature heat regenerator (14), and 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 in any one of the dual-working medium combined cycle heat pump devices of claims 1-10, a throttle valve is eliminated, a turbine is added, a condenser pipe of a regenerator (9) is communicated with an evaporator (8) through a throttle valve (4) and is adjusted to be communicated with the evaporator (8) through a turbine (15), and the turbine (15) is connected with a compressor (1) and transmits power, 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 in claims 1-11, a low-temperature throttle valve is omitted, a turbine is added, a low-temperature compressor (A) with a circulating working medium channel is communicated with a low-temperature evaporator (C) through an evaporator (8) and a low-temperature throttle valve (B) and adjusted to be communicated with the low-temperature evaporator (C) through the evaporator (8) and a new turbine (D), and the new turbine (D) is connected with the low-temperature compressor (A) and transmits power, so that the dual-working medium combined cycle heat pump device is formed.
13. The double working medium combined cycle heat pump device is characterized in that a newly-added double-energy compressor (E) is added to replace a low-temperature compressor (A), a newly-added spray pipe (F) is added to replace a low-temperature throttle valve (B) in any one of the double working medium combined cycle heat pump devices of claims 1 to 11, and the double working medium combined cycle heat pump device is formed.
CN202111331302.3A 2020-11-02 2021-10-30 Double-working medium combined cycle heat pump device Pending CN114198936A (en)

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CN202011265758X 2020-11-02

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2643252Y (en) * 2003-06-18 2004-09-22 北京清源世纪科技有限公司 Middle and high temperature powerdriven compressive heat pump equipment
CN101231046A (en) * 2008-02-03 2008-07-30 李华玉 Subsection heat-taking type overlapping heat pump
CN105953473A (en) * 2015-04-13 2016-09-21 李华玉 Bidirectional thermal cycle and second type of heat-driven compression heat pump
CN110953749A (en) * 2018-11-12 2020-04-03 李华玉 High-efficiency steam compression type heat pump

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2643252Y (en) * 2003-06-18 2004-09-22 北京清源世纪科技有限公司 Middle and high temperature powerdriven compressive heat pump equipment
CN101231046A (en) * 2008-02-03 2008-07-30 李华玉 Subsection heat-taking type overlapping heat pump
CN105953473A (en) * 2015-04-13 2016-09-21 李华玉 Bidirectional thermal cycle and second type of heat-driven compression heat pump
CN110953749A (en) * 2018-11-12 2020-04-03 李华玉 High-efficiency steam compression type heat pump

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