CN114322366A - Double-working medium combined cycle heat pump device - Google Patents
Double-working medium combined cycle heat pump device Download PDFInfo
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Abstract
The invention provides a double-working-medium combined cycle heat pump device, belonging to the technical field of heat pumps. The compressor is divided into two paths after a circulating working medium channel is communicated with the heat exchanger, wherein the first path is communicated with the heat regenerator through the expansion machine, and the second path is communicated with the second compressor through the second heat exchanger; the second compressor is also provided with a circulating working medium channel which is communicated with the heat regenerator, the heat regenerator is provided with a condensing 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 high-temperature compressor is provided with a circulating working medium channel which is communicated with the high-temperature expander through a heat supplier, and the high-temperature expander is also provided with a circulating working medium channel which is communicated with the high-temperature compressor through a second heat exchanger and a heat exchanger; the evaporator is provided with a low-temperature heat medium channel, the heat supply device is provided with a heated medium channel which is respectively communicated with the outside, and the expander and the high-temperature expander are connected with the compressor, the second compressor, the third compressor and the high-temperature compressor and transmit power to form the double-working-medium combined cycle heat pump device.
Description
The technical field is as follows:
the invention belongs to the technical field of refrigeration and heat pumps.
Background art:
cold demand, heat demand and power demand, which are common in human life and production; the conversion of mechanical energy into heat energy is an important way to realize refrigeration and efficient heating. 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 exchanger, a second heat exchanger, an evaporator, a heat regenerator, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor is divided into two paths after a circulating working medium channel is communicated with the heat exchanger, wherein the first path is communicated with the heat regenerator through the expansion machine, and the second path is communicated with the second compressor through the second heat exchanger; 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 high-temperature compressor is provided with a circulating working medium channel which is communicated with the high-temperature expander through a heat supplier, and the high-temperature expander is also provided with a circulating working medium channel which is communicated with the high-temperature compressor through a second heat exchanger and a heat exchanger; the evaporator is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device is also provided with a heated medium channel communicated with the outside, and the expander and the high-temperature expander are connected with the compressor, the second compressor, the third compressor and the high-temperature compressor and transmit power to form the double-working-medium combined cycle heat pump device.
2. The double-working medium combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a throttle valve, a third compressor, a heat exchanger, a second heat exchanger, an evaporator, a heat regenerator, a third heat exchanger, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor is divided into two paths after a circulating working medium channel is communicated with the heat exchanger, wherein the first path is communicated with the heat regenerator through the expansion machine, and the second path is communicated with the second compressor through the second heat exchanger; the second compressor is also provided with a circulating working medium channel which is communicated with the heat regenerator through a third heat exchanger, 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; the high-temperature compressor is provided with a circulating working medium channel which is communicated with the high-temperature expander through a heat supplier, and the high-temperature expander is also provided with a circulating working medium channel which is communicated with the high-temperature compressor through a third heat exchanger, a second heat exchanger and a heat exchanger; the evaporator is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device is also provided with a heated medium channel communicated with the outside, and the expander and the high-temperature expander are connected with the compressor, the second compressor, the third compressor and the high-temperature compressor and transmit power to form a dual-working-medium combined cycle heat pump device; or the high-temperature expander is provided with a circulating working medium channel which is communicated with the high-temperature compressor through the second heat exchanger, the third heat exchanger and the heat exchanger.
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 exchanger, a second heat exchanger, an evaporator, a heat regenerator, a spray pipe, a second heat regenerator, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor is divided into two paths after a circulating working medium channel is communicated with the heat exchanger, wherein the first path is communicated with the expander, and the second path is communicated with the second compressor through the second heat exchanger; 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 high-temperature compressor is provided with a circulating working medium channel which is communicated with the high-temperature expander through a heat supplier, and the high-temperature expander is also provided with a circulating working medium channel which is communicated with the high-temperature compressor through a second heat exchanger and a heat exchanger; the evaporator is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device is also provided with a heated medium channel communicated with the outside, and the expander and the high-temperature expander are connected with the compressor, the second compressor, the third compressor and the high-temperature compressor and transmit power to form the double-working-medium combined cycle heat pump device.
4. The double-working medium combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a throttle valve, a third compressor, a heat exchanger, a second heat exchanger, an evaporator, a heat regenerator, a reheater, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor is divided into two paths after a circulating working medium channel is communicated with the heat exchanger, wherein the first path is communicated with the expander, the expander and the circulating working medium channel are communicated with the expander through a reheater, the expander and the circulating working medium channel are communicated with a heat regenerator, and the second path is communicated with the second compressor through a second heat exchanger; 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 high-temperature compressor is provided with a circulating working medium channel which is communicated with the high-temperature expander through a heat supplier, and the high-temperature expander is also provided with a circulating working medium channel which is communicated with the high-temperature compressor through a second heat exchanger and a heat exchanger; the evaporator is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device is also provided with a heated medium channel communicated with the outside, and the expander and the high-temperature expander are connected with the compressor, the second compressor, the third compressor and the high-temperature compressor and transmit power to form the double-working-medium combined cycle heat pump device.
5. The double-working medium combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a throttle valve, a third compressor, a heat exchanger, a second heat exchanger, an evaporator, a heat regenerator, a medium-temperature heat regenerator, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor is divided into two paths after a circulating working medium channel is communicated with the heat exchanger, wherein the first path is communicated with the heat regenerator through the intermediate temperature heat regenerator and the expander, and the second path is communicated with the second compressor through the second heat exchanger; 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 medium-temperature heat regenerator; the high-temperature compressor is provided with a circulating working medium channel which is communicated with the high-temperature expander through a heat supplier, and the high-temperature expander is also provided with a circulating working medium channel which is communicated with the high-temperature compressor through a second heat exchanger and a heat exchanger; the evaporator is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device is also provided with a heated medium channel communicated with the outside, and the expander and the high-temperature expander are connected with the compressor, the second compressor, the third compressor and the high-temperature compressor and transmit power to form the double-working-medium combined cycle heat pump device.
6. The double-working medium combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a throttle valve, a third compressor, a heat exchanger, a second heat exchanger, an evaporator, a heat regenerator, a third heat exchanger, a medium-temperature heat regenerator, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor is divided into two paths after a circulating working medium channel is communicated with the heat exchanger, wherein the first path is communicated with the heat regenerator through the intermediate temperature heat regenerator and the expander, and the second path is communicated with the second compressor through the second heat exchanger; the second compressor is also provided with a circulating working medium channel which is communicated with the heat regenerator through a third heat exchanger, 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 the third compressor, and the heat regenerator is also provided with a circulating working medium channel which is communicated with the compressor through a medium-temperature heat regenerator; the high-temperature compressor is provided with a circulating working medium channel which is communicated with the high-temperature expander through a heat supplier, and the high-temperature expander is also provided with a circulating working medium channel which is communicated with the high-temperature compressor through a third heat exchanger, a second heat exchanger and a heat exchanger; the evaporator is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device is also provided with a heated medium channel communicated with the outside, and the expander and the high-temperature expander are connected with the compressor, the second compressor, the third compressor and the high-temperature compressor and transmit power to form the double-working-medium combined cycle heat pump device.
7. The double-working medium combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a throttle valve, a third compressor, a heat exchanger, a second heat exchanger, an evaporator, a heat regenerator, a spray pipe, a second heat regenerator, a medium-temperature heat regenerator, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor is divided into two paths after a circulating working medium channel is communicated with the heat exchanger, wherein the first path is communicated with the expander through the intermediate temperature heat regenerator, and the second path is communicated with the second compressor through the second heat exchanger; 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 medium-temperature heat regenerator; the high-temperature compressor is provided with a circulating working medium channel which is communicated with the high-temperature expander through a heat supplier, and the high-temperature expander is also provided with a circulating working medium channel which is communicated with the high-temperature compressor through a second heat exchanger and a heat exchanger; the evaporator is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device is also provided with a heated medium channel communicated with the outside, and the expander and the high-temperature expander are connected with the compressor, the second compressor, the third compressor and the high-temperature compressor and transmit power to form the double-working-medium combined cycle heat pump device.
8. The double-working medium combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a throttle valve, a third compressor, a heat exchanger, a second heat exchanger, an evaporator, a heat regenerator, a reheater, a medium-temperature heat regenerator, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor is divided into two paths after a circulating working medium channel is communicated with the heat exchanger, wherein the first path is communicated with the expander through the intermediate temperature heat regenerator, the expander and the circulating working medium channel are communicated with the expander through the reheater, the expander and the circulating working medium channel are communicated with the heat regenerator, and the second path is communicated with the second compressor through the second heat exchanger; 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 medium-temperature heat regenerator; the high-temperature compressor is provided with a circulating working medium channel which is communicated with the high-temperature expander through a heat supplier, and the high-temperature expander is also provided with a circulating working medium channel which is communicated with the high-temperature compressor through a second heat exchanger and a heat exchanger; the evaporator is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device is also provided with a heated medium channel communicated with the outside, and the expander and the high-temperature expander are connected with the compressor, the second compressor, the third compressor and the high-temperature compressor and transmit power to form the double-working-medium combined cycle heat pump device.
9. A dual-working medium combined cycle heat pump device is characterized in that in any one of the dual-working medium combined cycle heat pump devices 1-8, an evaporator and a throttle valve are omitted, a low-temperature heat medium channel communicated with the outside of the evaporator is omitted, the evaporator is provided with a circulating working medium channel which is communicated with a heat regenerator through a third compressor, the evaporator is adjusted to be provided with a steam channel outside, the evaporator is communicated with the heat regenerator through the third compressor, the heat regenerator is provided with a condensate pipeline which is communicated with the evaporator through the throttle valve, the heat regenerator is adjusted to be provided with a condensate pipeline which is communicated with the outside, and the dual-working medium combined cycle heat pump device is formed.
10. A dual-working medium combined cycle heat pump device is characterized in that in any one of the dual-working medium combined cycle heat pump devices 1-8, a throttle valve is omitted, a turbine is added, a condensate pipeline of a heat regenerator is communicated with an evaporator through the throttle valve, the condensate pipeline of the heat regenerator is adjusted to be communicated with the evaporator through the turbine, and the turbine is connected with a second compressor and transmits power to form the dual-working medium combined cycle heat pump device.
11. A dual working medium combined cycle heat pump device is characterized in that a high-temperature heat regenerator is added in any one of the dual working medium combined cycle heat pump devices 1-10, a heat exchanger is communicated with a high-temperature compressor through a circulation working medium channel, the heat exchanger is adjusted to be communicated with the high-temperature compressor through the high-temperature heat regenerator, a heat supply device is communicated with a high-temperature expander through the circulation working medium channel, the heat supply device is adjusted to be communicated with the high-temperature expander through the circulation working medium channel, and the high-temperature expander is communicated with the heat supply device through the high-temperature heat regenerator, so that the dual working medium combined cycle heat pump device is formed.
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.
In the figure, 1-compressor, 2-expander, 3-second compressor, 4-throttle valve, 5-third compressor, 6-heat exchanger, 7-second heat exchanger, 8-evaporator, 9-regenerator, 10-third heat exchanger, 11-spray pipe, 12-second regenerator, 13-reheater, 14-medium temperature regenerator, 15-turbine; a-high temperature compressor, B-high temperature expander, C-heat supplier, D-high temperature heat regenerator.
The specific implementation mode is as follows:
it is to be noted that, in the description of the structure and the flow, the repetition is not necessary; obvious flow is not described. The invention is described in detail below with reference to the figures and examples.
The dual-working-medium combined-cycle heat pump apparatus shown in fig. 1 is realized by:
(1) structurally, the heat recovery system mainly comprises a compressor, an expander, a second compressor, a throttle valve, a third compressor, a heat exchanger, a second heat exchanger, an evaporator, a heat regenerator, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor 1 is divided into two paths after a circulating working medium channel is communicated with the heat exchanger 6, wherein the first path is communicated with the heat regenerator 9 through the expander 2, and the second path is communicated with the second compressor 3 through the second heat exchanger 7; 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 high-temperature compressor A is provided with a circulating working medium channel which is communicated with a high-temperature expander B through a heat supplier C, and the high-temperature expander B is also provided with a circulating working medium channel which is communicated with the high-temperature compressor A through a second heat exchanger 7 and a heat exchanger 6; the evaporator 8 is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device C is also provided with a heated medium channel communicated with the outside, and the expander 2 and the high-temperature expander B are connected with the compressor 1, the second compressor 3, the third compressor 5 and the high-temperature compressor A and transmit 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 exchanger 6 and releases heat, and then is divided into two paths, namely a first path flows through the expander 2 and enters the heat regenerator 9 after reducing pressure and doing work, a second path flows through the second heat exchanger 7 and releases heat, flows through the second compressor 3 and raises pressure and temperature, flows through the heat regenerator 9 to release heat and condense, flows through the throttle valve 4 and reduces pressure in a throttling way, 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; the circulating working medium discharged by the high-temperature expander B gradually absorbs heat and heats through the second heat exchanger 7 and the heat exchanger 6, increases the pressure and heats through the high-temperature compressor A, releases heat and cools through the heat supply device C, and then enters the high-temperature expander B to reduce the pressure and do work; the low-temperature heat medium provides low-temperature heat load through the evaporator 8, the heated medium obtains high-temperature heat load through the heat supply device C, the expander 2, the high-temperature expander B and the external part provide power for the compressor 1, the second compressor 3, the third compressor 5 and the high-temperature compressor A together, and a double-working-medium combined cycle heat pump device is formed.
The dual-working-medium combined-cycle heat pump apparatus shown in fig. 2 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 exchanger, a second heat exchanger, an evaporator, a heat regenerator, a third heat exchanger, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor 1 is divided into two paths after a circulating working medium channel is communicated with the heat exchanger 6, wherein the first path is communicated with the heat regenerator 9 through the expander 2, and the second path is communicated with the second compressor 3 through the second heat exchanger 7; 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 exchanger 10, 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 high-temperature compressor A is provided with a circulating working medium channel which is communicated with a high-temperature expander B through a heat supplier C, and the high-temperature expander B is also provided with a circulating working medium channel which is communicated with the high-temperature compressor A through a third heat exchanger 10, a second heat exchanger 7 and a heat exchanger 6; the evaporator 8 is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device C is also provided with a heated medium channel communicated with the outside, and the expander 2 and the high-temperature expander B are connected with the compressor 1, the second compressor 3, the third compressor 5 and the high-temperature compressor A and transmit 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 exchanger 6 and releases heat, and then is divided into two paths, namely a first path flows through the expander 2 and enters the heat regenerator 9 after reducing pressure and doing work, a second path flows through the second heat exchanger 7 and releases heat, flows through the second compressor 3 and raises pressure and temperature, flows through the third heat exchanger 10 and the heat regenerator 9 and gradually releases heat and condenses, flows through the throttle valve 4 and reduces pressure in a throttling way, 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; the circulating working medium discharged by the high-temperature expander B gradually absorbs heat and heats through the third heat exchanger 10, the second heat exchanger 7 and the heat exchanger 6, increases the pressure and heats through the high-temperature compressor A, releases heat and cools through the heat supply device C, and then enters the high-temperature expander B to reduce the pressure and apply work; the low-temperature heat medium provides low-temperature heat load through the evaporator 8, the heated medium obtains high-temperature heat load through the heat supply device C, the expander 2, the high-temperature expander B and the external part provide power for the compressor 1, the second compressor 3, the third compressor 5 and the high-temperature compressor A together, and a double-working-medium combined cycle heat pump device is formed.
The dual-working-medium combined-cycle heat pump apparatus shown in fig. 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 exchanger, a second heat exchanger, an evaporator, a heat regenerator, a spray pipe, a second heat regenerator, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor 1 is divided into two paths after a circulating working medium channel is communicated with the heat exchanger 6, wherein the first path is communicated with the expander 2, and the second path is communicated with the second compressor 3 through the second heat exchanger 7; 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 high-temperature compressor A is provided with a circulating working medium channel which is communicated with a high-temperature expander B through a heat supplier C, and the high-temperature expander B is also provided with a circulating working medium channel which is communicated with the high-temperature compressor A through a second heat exchanger 7 and a heat exchanger 6; the evaporator 8 is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device C is also provided with a heated medium channel communicated with the outside, and the expander 2 and the high-temperature expander B are connected with the compressor 1, the second compressor 3, the third compressor 5 and the high-temperature compressor A and transmit 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 exchanger 6 and releases heat, and then is divided into two paths, wherein the first path flows through the expander 2 and enters the heat regenerator 9 after reducing pressure and doing work, the second path flows through the second heat exchanger 7 and releases heat, flows through the second compressor 3 and raises pressure and temperature, flows through the second heat regenerator 12 and releases heat, then enters the heat regenerator 9 to release heat and partially or completely condense and then is divided into two paths, the first path flows through the spray pipe 11 and reduces pressure and increases speed, flows through the second heat regenerator 12 to absorb heat, enters the expander 2 through the middle air inlet port to reduce pressure and do work, and then enters the heat regenerator 9, and the second path of condensate or the condensate after the second path continues releasing heat enters the evaporator 8 after throttling and reducing 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; the circulating working medium discharged by the high-temperature expander B gradually absorbs heat and heats through the second heat exchanger 7 and the heat exchanger 6, increases the pressure and heats through the high-temperature compressor A, releases heat and cools through the heat supply device C, and then enters the high-temperature expander B to reduce the pressure and do work; the low-temperature heat medium provides low-temperature heat load through the evaporator 8, the heated medium obtains high-temperature heat load through the heat supply device C, the expander 2, the high-temperature expander B and the external part provide power for the compressor 1, the second compressor 3, the third compressor 5 and the high-temperature compressor A together, and a double-working-medium combined cycle heat pump device is formed.
The dual-working-medium combined-cycle heat pump apparatus shown in fig. 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 exchanger, a second heat exchanger, an evaporator, a heat regenerator, a reheater, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor 1 is divided into two paths after a circulating working medium channel is communicated with the heat exchanger 6, wherein the first path is communicated with the expander 2, the expander 2 and the circulating working medium channel are communicated with the expander 2 through a reheater 13, the expander 2 and the circulating working medium channel are communicated with a heat regenerator 9, and the second path is communicated with the second compressor 3 through a second heat exchanger 7; 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 high-temperature compressor A is provided with a circulating working medium channel which is communicated with a high-temperature expander B through a heat supplier C, and the high-temperature expander B is also provided with a circulating working medium channel which is communicated with the high-temperature compressor A through a second heat exchanger 7 and a heat exchanger 6; the evaporator 8 is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device C is also provided with a heated medium channel communicated with the outside, and the expander 2 and the high-temperature expander B are connected with the compressor 1, the second compressor 3, the third compressor 5 and the high-temperature compressor A and transmit 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 exchanger 6 and releases heat, and then is divided into two paths, wherein the first path enters the expander 2 to reduce the pressure and do work to a certain degree, then flows through the reheater 13 to absorb heat, enters the expander 2 to continue to reduce the pressure and do work, and then enters the heat regenerator 9, the second path flows through the second heat exchanger 7 to release heat, flows through the second compressor 3 to increase the pressure and temperature, 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 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; the circulating working medium discharged by the high-temperature expander B gradually absorbs heat and heats through the second heat exchanger 7 and the heat exchanger 6, increases the pressure and heats through the high-temperature compressor A, releases heat and cools through the heat supply device C, and then enters the high-temperature expander B to reduce the pressure and do work; the low-temperature heat medium provides low-temperature heat load through the evaporator 8, the heated medium obtains high-temperature heat load through the heat supply device C, the expander 2, the high-temperature expander B and the external part provide power for the compressor 1, the second compressor 3, the third compressor 5 and the high-temperature compressor A together, and a double-working-medium combined cycle heat pump device is formed.
The dual-working-medium combined-cycle heat pump apparatus shown in fig. 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 exchanger, a second heat exchanger, an evaporator, a heat regenerator, a medium-temperature heat regenerator, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor 1 is divided into two paths after a circulating working medium channel is communicated with the heat exchanger 6, wherein the first path is communicated with the heat regenerator 9 through the intermediate temperature heat regenerator 14 and the expander 2, and the second path is communicated with the second compressor 3 through the second heat exchanger 7; 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 medium temperature heat regenerator 14; the high-temperature compressor A is provided with a circulating working medium channel which is communicated with a high-temperature expander B through a heat supplier C, and the high-temperature expander B is also provided with a circulating working medium channel which is communicated with the high-temperature compressor A through a second heat exchanger 7 and a heat exchanger 6; the evaporator 8 is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device C is also provided with a heated medium channel communicated with the outside, and the expander 2 and the high-temperature expander B are connected with the compressor 1, the second compressor 3, the third compressor 5 and the high-temperature compressor A and transmit 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 the temperature, flow through the medium-temperature heat regenerator 14 to absorb heat, 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 exchanger 6 and releases heat, and then is divided into two paths, wherein the first path flows through the intermediate temperature heat regenerator 14 to release heat and flows through the expansion machine 2 to reduce the pressure and do work and then enters the heat regenerator 9, and the second path flows through the second heat exchanger 7 to release heat, 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 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; the circulating working medium discharged by the high-temperature expander B gradually absorbs heat and heats through the second heat exchanger 7 and the heat exchanger 6, increases the pressure and heats through the high-temperature compressor A, releases heat and cools through the heat supply device C, and then enters the high-temperature expander B to reduce the pressure and do work; the low-temperature heat medium provides low-temperature heat load through the evaporator 8, the heated medium obtains high-temperature heat load through the heat supply device C, the expander 2, the high-temperature expander B and the external part provide power for the compressor 1, the second compressor 3, the third compressor 5 and the high-temperature compressor A together, and a double-working-medium combined cycle heat pump device is formed.
The dual-working-medium combined-cycle heat pump apparatus shown in fig. 6 is realized by:
(1) structurally, in the dual-working-medium combined cycle heat pump device shown in fig. 1, an evaporator and a throttle valve are eliminated, a low-temperature heat medium channel communicated with the outside of the evaporator 8 is eliminated, the evaporator 8 is communicated with a heat regenerator 9 through a third compressor 5 and adjusted to have a steam channel outside and communicated with the heat regenerator 9 through the third compressor 5, and a condensate pipeline of the heat regenerator 9 is communicated with the evaporator 8 through the throttle valve 4 and adjusted to have a condensate pipeline of the heat regenerator 9 communicated with the outside.
(2) In the flow, the circulating working medium in the external steam state flows through the third compressor 5 to be boosted and heated to enter the heat regenerator 9, the circulating working medium discharged by the expander 2 enters the heat regenerator 9, and the two paths of circulating working media absorb heat and are heated and then enter the compressor 1 to be boosted and heated; the circulating working medium discharged by the compressor 1 flows through the heat exchanger 6 and releases heat, and then is divided into two paths, namely a first path flows through the expander 2 and enters the heat regenerator 9 after reducing pressure and doing work, and a second path flows through the second heat exchanger 7 and releases heat, flows through the second compressor 3 and raises pressure and temperature, flows through the heat regenerator 9 and releases heat and condenses, and then is discharged outwards; the circulating working medium discharged by the high-temperature expander B gradually absorbs heat and heats through the second heat exchanger 7 and the heat exchanger 6, increases the pressure and heats through the high-temperature compressor A, releases heat and cools through the heat supply device C, and then enters the high-temperature expander B to reduce the pressure and do work; external steam provides low-temperature heat load through an inlet-outlet flow, a heated medium obtains high-temperature heat load through a heat supply device C, and the expander 2, the high-temperature expander B and the external part provide power for the compressor 1, the second compressor 3, the third compressor 5 and the high-temperature compressor A in a shared mode to form the double-working-medium combined cycle heat pump device.
The dual-working-medium combined-cycle heat pump apparatus shown in fig. 7 is realized by:
(1) structurally, in the dual-working-medium combined cycle heat pump device shown in fig. 1, a throttle valve is eliminated, a turbine is added, a condensed liquid pipeline of the heat regenerator 9 is communicated with the evaporator 8 through the throttle valve 4, the condensed liquid pipeline of the heat regenerator 9 is adjusted to be communicated with the evaporator 8 through the turbine 15, and the turbine 15 is connected with the second compressor 3 and transmits power.
(2) Compared with the work flow of the dual-working medium combined cycle heat pump device shown in fig. 1, the difference in the flow is that: the condensate discharged by the heat regenerator 9 flows through a turbine 15 to reduce the pressure and do work, and then enters the evaporator 8; the work output by the turbine 15 is supplied to the second compressor 3 as power, forming 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 high-temperature heat regenerator is added, a heat exchanger 6 is communicated with a high-temperature compressor A through a circulating working medium channel, the heat exchanger 6 is adjusted to be communicated with the high-temperature compressor A through a high-temperature heat regenerator D, a heat supplier C is communicated with a high-temperature expander B through a circulating working medium channel, and the heat supplier C is adjusted to be communicated with the high-temperature expander B through a high-temperature heat regenerator D.
(2) Compared with the work flow of the dual-working medium combined cycle heat pump device shown in fig. 1, the difference in the flow is that: the circulating working medium discharged by the high-temperature expander B gradually absorbs heat and heats through the second heat exchanger 7, the heat exchanger 6 and the high-temperature heat regenerator D, increases the pressure and heats through the high-temperature compressor A, gradually releases heat and cools through the heat supplier C and the high-temperature heat regenerator D, and then enters the high-temperature expander B to reduce the pressure and apply work to form the double-working-medium combined cycle heat pump device.
The effect that the technology of the invention can realize-the double-working-medium combined cycle heat pump device provided by the invention has the following effects and advantages:
(1) basic technologies for mechanical energy refrigeration and heating utilization (energy difference utilization) are provided.
(2) The heat supply load in the phase change heat release process is eliminated or greatly reduced, the heat supply load of a high-temperature heat supply section is relatively increased, and the performance index of the device is improved.
(3) The adverse effect of condensate sensible heat on obtaining low-temperature heat load is eliminated, and the performance index of the device is improved.
(4) Greatly improving the utilization degree of the sensible heat of the condensate, being beneficial to reducing the compression ratio and improving the performance index of the device.
(5) The working parameter range is greatly expanded, and high-efficiency heat supply and high-efficiency high-temperature heat supply are realized.
(6) The adoption of double working media is beneficial to expanding the refrigeration and heat supply parameter range and regulating the pressure parameter range.
(7) In the high temperature area or the variable temperature area, the temperature difference heat transfer loss of the heat release link is reduced, and the performance index is improved.
(8) 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.
(9) The application range is wide, the energy supply requirement can be well met, and the working medium and the working parameters are flexibly matched.
(10) The 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 (11)
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 exchanger, a second heat exchanger, an evaporator, a heat regenerator, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor (1) is provided with a circulating working medium channel which is communicated with the heat exchanger (6) and then divided into two paths, wherein the first path is communicated with the heat regenerator (9) through the expander (2), and the second path is communicated with the second compressor (3) through the second heat exchanger (7); 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 high-temperature compressor (A) is provided with a circulating working medium channel which is communicated with the high-temperature expander (B) through a heat supplier (C), and the high-temperature expander (B) is also provided with a circulating working medium channel which is communicated with the high-temperature compressor (A) through a second heat exchanger (7) and a heat exchanger (6); the evaporator (8) is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device (C) is also provided with a heated medium channel communicated with the outside, and the expander (2) and the high-temperature expander (B) are connected with the compressor (1), the second compressor (3), the third compressor (5) and the high-temperature compressor (A) and transmit power to form the double-working-medium combined cycle heat pump device.
2. The double-working medium combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a throttle valve, a third compressor, a heat exchanger, a second heat exchanger, an evaporator, a heat regenerator, a third heat exchanger, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor (1) is provided with a circulating working medium channel which is communicated with the heat exchanger (6) and then divided into two paths, wherein the first path is communicated with the heat regenerator (9) through the expander (2), and the second path is communicated with the second compressor (3) through the second heat exchanger (7); 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 exchanger (10), 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 high-temperature compressor (A) is provided with a circulating working medium channel which is communicated with the high-temperature expander (B) through a heat supplier (C), and the high-temperature expander (B) is also provided with a circulating working medium channel which is communicated with the high-temperature compressor (A) through a third heat exchanger (10), a second heat exchanger (7) and a heat exchanger (6); the evaporator (8) is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device (C) is also provided with a heated medium channel communicated with the outside, and the expander (2) and the high-temperature expander (B) are connected with the compressor (1), the second compressor (3), the third compressor (5) and the high-temperature compressor (A) and transmit power to form a double-working-medium combined cycle heat pump device; wherein, or the high-temperature expander (B) is provided with a circulating working medium channel which is communicated with the high-temperature compressor (A) through the second heat exchanger (7), the third heat exchanger (10) and the heat exchanger (6).
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 exchanger, a second heat exchanger, an evaporator, a heat regenerator, a spray pipe, a second heat regenerator, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor (1) is provided with a circulating working medium channel which is communicated with the heat exchanger (6) and then divided into two paths, wherein the first path is communicated with the expander (2), and the second path is communicated with the second compressor (3) through the second heat exchanger (7); 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 high-temperature compressor (A) is provided with a circulating working medium channel which is communicated with the high-temperature expander (B) through a heat supplier (C), and the high-temperature expander (B) is also provided with a circulating working medium channel which is communicated with the high-temperature compressor (A) through a second heat exchanger (7) and a heat exchanger (6); the evaporator (8) is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device (C) is also provided with a heated medium channel communicated with the outside, and the expander (2) and the high-temperature expander (B) are connected with the compressor (1), the second compressor (3), the third compressor (5) and the high-temperature compressor (A) and transmit power to form the double-working-medium combined cycle heat pump device.
4. The double-working medium combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a throttle valve, a third compressor, a heat exchanger, a second heat exchanger, an evaporator, a heat regenerator, a reheater, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor (1) is provided with a circulating working medium channel which is communicated with the heat exchanger (6) and then divided into two paths, wherein the first path is communicated with the expander (2), the expander (2) is also provided with a circulating working medium channel which is communicated with the expander (2) through a reheater (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 communicated with the second compressor (3) through a second heat exchanger (7); 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 high-temperature compressor (A) is provided with a circulating working medium channel which is communicated with the high-temperature expander (B) through a heat supplier (C), and the high-temperature expander (B) is also provided with a circulating working medium channel which is communicated with the high-temperature compressor (A) through a second heat exchanger (7) and a heat exchanger (6); the evaporator (8) is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device (C) is also provided with a heated medium channel communicated with the outside, and the expander (2) and the high-temperature expander (B) are connected with the compressor (1), the second compressor (3), the third compressor (5) and the high-temperature compressor (A) and transmit power to form the double-working-medium combined cycle heat pump device.
5. The double-working medium combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a throttle valve, a third compressor, a heat exchanger, a second heat exchanger, an evaporator, a heat regenerator, a medium-temperature heat regenerator, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor (1) is provided with a circulating working medium channel which is communicated with the heat exchanger (6) and then divided into two paths, wherein the first path is communicated with the heat regenerator (9) through the intermediate temperature heat regenerator (14) and the expander (2), and the second path is communicated with the second compressor (3) through the second heat exchanger (7); 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 medium temperature heat regenerator (14); the high-temperature compressor (A) is provided with a circulating working medium channel which is communicated with the high-temperature expander (B) through a heat supplier (C), and the high-temperature expander (B) is also provided with a circulating working medium channel which is communicated with the high-temperature compressor (A) through a second heat exchanger (7) and a heat exchanger (6); the evaporator (8) is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device (C) is also provided with a heated medium channel communicated with the outside, and the expander (2) and the high-temperature expander (B) are connected with the compressor (1), the second compressor (3), the third compressor (5) and the high-temperature compressor (A) and transmit power to form the double-working-medium combined cycle heat pump device.
6. The double-working medium combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a throttle valve, a third compressor, a heat exchanger, a second heat exchanger, an evaporator, a heat regenerator, a third heat exchanger, a medium-temperature heat regenerator, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor (1) is provided with a circulating working medium channel which is communicated with the heat exchanger (6) and then divided into two paths, wherein the first path is communicated with the heat regenerator (9) through the intermediate temperature heat regenerator (14) and the expander (2), and the second path is communicated with the second compressor (3) through the second heat exchanger (7); 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 exchanger (10), 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 medium temperature heat regenerator (14); the high-temperature compressor (A) is provided with a circulating working medium channel which is communicated with the high-temperature expander (B) through a heat supplier (C), and the high-temperature expander (B) is also provided with a circulating working medium channel which is communicated with the high-temperature compressor (A) through a third heat exchanger (10), a second heat exchanger (7) and a heat exchanger (6); the evaporator (8) is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device (C) is also provided with a heated medium channel communicated with the outside, and the expander (2) and the high-temperature expander (B) are connected with the compressor (1), the second compressor (3), the third compressor (5) and the high-temperature compressor (A) and transmit power to form the double-working-medium combined cycle heat pump device.
7. The double-working medium combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a throttle valve, a third compressor, a heat exchanger, a second heat exchanger, an evaporator, a heat regenerator, a spray pipe, a second heat regenerator, a medium-temperature heat regenerator, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor (1) is provided with a circulating working medium channel which is communicated with the heat exchanger (6) and then divided into two paths, wherein the first path is communicated with the expander (2) through the intermediate temperature heat regenerator (14), and the second path is communicated with the second compressor (3) through the second heat exchanger (7); 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 medium-temperature heat regenerator (14); the high-temperature compressor (A) is provided with a circulating working medium channel which is communicated with the high-temperature expander (B) through a heat supplier (C), and the high-temperature expander (B) is also provided with a circulating working medium channel which is communicated with the high-temperature compressor (A) through a second heat exchanger (7) and a heat exchanger (6); the evaporator (8) is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device (C) is also provided with a heated medium channel communicated with the outside, and the expander (2) and the high-temperature expander (B) are connected with the compressor (1), the second compressor (3), the third compressor (5) and the high-temperature compressor (A) and transmit power to form the double-working-medium combined cycle heat pump device.
8. The double-working medium combined cycle heat pump device mainly comprises a compressor, an expander, a second compressor, a throttle valve, a third compressor, a heat exchanger, a second heat exchanger, an evaporator, a heat regenerator, a reheater, a medium-temperature heat regenerator, a high-temperature compressor, a high-temperature expander and a heat supplier; the compressor (1) is provided with a circulating working medium channel which is communicated with the heat exchanger (6) and then divided into two paths, wherein the first path is communicated with the expander (2) through the intermediate temperature heat regenerator (14), 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 heat regenerator (9), and the second path is communicated with the second compressor (3) through the second heat exchanger (7); 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 medium temperature heat regenerator (14); the high-temperature compressor (A) is provided with a circulating working medium channel which is communicated with the high-temperature expander (B) through a heat supplier (C), and the high-temperature expander (B) is also provided with a circulating working medium channel which is communicated with the high-temperature compressor (A) through a second heat exchanger (7) and a heat exchanger (6); the evaporator (8) is also provided with a low-temperature heat medium channel communicated with the outside, the heat supply device (C) is also provided with a heated medium channel communicated with the outside, and the expander (2) and the high-temperature expander (B) are connected with the compressor (1), the second compressor (3), the third compressor (5) and the high-temperature compressor (A) and transmit power to form the double-working-medium combined cycle heat pump device.
9. A dual-working medium combined cycle heat pump device is characterized in that in any one of the dual-working medium combined cycle heat pump devices of claims 1-8, an evaporator and a throttle valve are eliminated, a low-temperature heat medium channel communicated with the outside of the evaporator (8) is eliminated, the evaporator (8) is provided with a cycle working medium channel which is communicated with a heat regenerator (9) through a third compressor (5) and is adjusted to be provided with a steam channel at the outside and is communicated with the heat regenerator (9) through the third compressor (5), a condensate pipeline of the heat regenerator (9) is communicated with the evaporator (8) through the throttle valve (4) and is adjusted to be provided with a condensate pipeline of the heat regenerator (9) and is communicated with the outside, and the dual-working medium combined cycle heat pump device is formed.
10. A dual-working medium combined cycle heat pump device is characterized in that in any one of the dual-working medium combined cycle heat pump devices of claims 1-8, 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 second compressor (3) and transmits power, 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 a high-temperature heat regenerator is added in any one of the dual working medium combined cycle heat pump devices of claims 1-10, a heat exchanger (6) is provided with a circulating working medium channel to be communicated with a high-temperature compressor (A) and adjusted to be communicated with the high-temperature compressor (A) through a high-temperature heat regenerator (D), a heat supply device (C) is provided with a circulating working medium channel to be communicated with a high-temperature expander (B) and adjusted to be communicated with the heat supply device (C) through a circulating working medium channel to be communicated with the high-temperature expander (B) through the high-temperature heat regenerator (D), and the dual working medium combined cycle heat pump device is formed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011299128 | 2020-11-10 | ||
| CN2020112991284 | 2020-11-10 |
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| 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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2021
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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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