CN114001482A - Backheating type thermodynamic cycle and novel backheating mechanical compression heat pump - Google Patents
Backheating type thermodynamic cycle and novel backheating mechanical compression heat pump Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
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Abstract
The invention provides a regenerative thermodynamic cycle and a novel regenerative mechanical compression heat pump, belonging to the technical field of thermodynamics and heat pumps. The regenerative thermodynamic cycle is a closed process which is formed by seven processes, namely a self-low-temperature heat source heat absorption process 12, a self-cycle working medium heat absorption process 23, a pressure increasing process 34, a heat release process 45 to a high-temperature heat source, a pressure reducing process 56, a heat release process 67 to a cycle working medium and a pressure reducing process 71, which are sequentially carried out by a certain mass of cycle working medium; based on regenerative thermal cycle, a corresponding novel regenerative mechanical compression heat pump is constructed.
Description
The technical field is as follows:
the invention belongs to the technical field of thermodynamics and thermodynamics.
Background art:
cold demand, heat demand and power demand are common in human life and production. The mechanical compression type heat pump based on Brayton reverse cycle, which takes gas as a cycle working medium, is an important means for realizing refrigeration and high-efficiency heating; among them, a heat recovery technical measure is often adopted to realize deep refrigeration or reduce a cycle compression ratio. However, in the conventional regenerative mechanical compression heat pump, the heat absorption side of the regenerative process is relatively fixed, which makes the regenerative parameters inflexible, and it is difficult to ensure the rationalization of the performance index or the minimization of the temperature difference loss in many cases.
The invention provides a regenerative thermodynamic cycle which has flexible regenerative parameters and is suitable for various different working conditions and rationalization of performance indexes; based on the new regenerative thermodynamic cycle, the invention provides various specific novel regenerative mechanical compression heat pumps.
The invention content is as follows:
the invention mainly aims to provide a regenerative thermal cycle and a novel regenerative mechanical compression heat pump, and the specific contents of the invention are explained in different terms as follows:
1. the regenerative thermodynamic cycle is a closed process which is formed by seven processes, namely a self-low-temperature heat source heat absorption process 12, a self-cycle working medium heat absorption process 23, a pressure increasing process 34, a heat release process 45 to a high-temperature heat source, a pressure reducing process 56, a heat release process 67 to a cycle working medium and a pressure reducing process 71, which are sequentially carried out by a certain mass of cycle working medium; wherein the exotherm for process 67 satisfies the endotherm for process 23.
2. The new regenerative mechanical compression heat pump is mainly composed of a dual-energy compressor, an expander, a spray pipe, a heat supplier, a low-temperature heat exchanger and a heat regenerator; the dual-energy compressor is provided with a circulating working medium channel which is communicated with the expander through a heat supplier, the expander is also provided with a circulating working medium channel which is communicated with the spray pipe through a heat regenerator, and the spray pipe is also provided with a circulating working medium channel which is communicated with the dual-energy compressor through a low-temperature heat exchanger and the heat regenerator; the heat supplier is also communicated with the outside through a heated medium channel, the low-temperature heat exchanger is also communicated with the outside through a low-temperature heat medium channel, and the expander is connected with the dual-energy compressor and transmits power to form a novel backheating mechanical compression heat pump.
3. The new type heat recovery mechanical compression heat pump is mainly composed of a dual-energy compressor, an expander, an expansion speed increaser, a heat supplier, a low temperature heat exchanger and a heat regenerator; the dual-energy compressor is provided with a circulating working medium channel which is communicated with the expander through a heat supplier, the expander is also provided with a circulating working medium channel which is communicated with the expansion speed increaser through a heat regenerator, and the expansion speed increaser is also provided with a circulating working medium channel which is communicated with the dual-energy compressor through a low-temperature heat exchanger and the heat regenerator; the heat supplier is also communicated with the outside through a heated medium channel, the low-temperature heat exchanger is also communicated with the outside through a low-temperature heat medium channel, and the expander and the expansion speed increaser are connected with the dual-energy compressor and transmit power to form a novel backheating mechanical compression heat pump.
4. The new regenerative mechanical compression heat pump is mainly composed of a dual-energy compressor, an expander, a spray pipe, a heat supplier, a low-temperature heat exchanger and a heat regenerator; the dual-energy compressor is provided with a circulating working medium channel which is communicated with a spray pipe through a heat supplier, the spray pipe is also provided with a circulating working medium channel which is communicated with an expander through a heat regenerator, and the expander is also provided with a circulating working medium channel which is communicated with the dual-energy compressor through a low-temperature heat exchanger and the heat regenerator; the heat supplier is also communicated with the outside through a heated medium channel, the low-temperature heat exchanger is also communicated with the outside through a low-temperature heat medium channel, and the expander is connected with the dual-energy compressor and transmits power to form a novel backheating mechanical compression heat pump.
5. The new type heat recovery mechanical compression heat pump is mainly composed of a dual-energy compressor, a spray pipe, an expansion speed increaser, a heat supplier, a low temperature heat exchanger and a heat regenerator; the dual-energy compressor is provided with a circulating working medium channel which is communicated with a spray pipe through a heat supplier, the spray pipe is also provided with a circulating working medium channel which is communicated with an expansion speed increaser through a heat regenerator, and the expansion speed increaser is also provided with a circulating working medium channel which is communicated with the dual-energy compressor through a low-temperature heat exchanger and the heat regenerator; the heat supplier is also communicated with the outside through a heated medium channel, the low-temperature heat exchanger is also communicated with the outside through a low-temperature heat medium channel, and the expansion speed increaser is connected with the dual-energy compressor and transmits power to form a novel backheating mechanical compression heat pump.
6. The novel heat regenerative mechanical compression heat pump mainly comprises a dual-energy compressor, a spray pipe, a second spray pipe, a heat supplier, a low-temperature heat exchanger and a heat regenerator; the dual-energy compressor is provided with a circulating working medium channel which is communicated with the spray pipe through the heat supplier, the spray pipe is also provided with a circulating working medium channel which is communicated with the second spray pipe through the heat regenerator, and the second spray pipe is also provided with a circulating working medium channel which is communicated with the dual-energy compressor through the low-temperature heat exchanger and the heat regenerator; the heat supplier is also communicated with the outside through a heated medium channel, and the low-temperature heat exchanger is also communicated with the outside through a low-temperature heat medium channel to form a novel backheating mechanical compression heat pump.
7. The new type heat recovery mechanical compression heat pump is mainly composed of a dual-energy compressor, an expander, an expansion speed increaser, a heat supplier, a low temperature heat exchanger and a heat regenerator; the dual-energy compressor is provided with a circulating working medium channel which is communicated with the expansion speed increaser through a heat supplier, the expansion speed increaser is also provided with a circulating working medium channel which is communicated with the expander through a heat regenerator, and the expander is also provided with a circulating working medium channel which is communicated with the dual-energy compressor through a low-temperature heat exchanger and the heat regenerator; the heat supplier is also communicated with the outside through a heated medium channel, the low-temperature heat exchanger is also communicated with the outside through a low-temperature heat medium channel, and the expander and the expansion speed increaser are connected with the dual-energy compressor and transmit power to form a novel backheating mechanical compression heat pump.
8. The novel heat recovery mechanical compression heat pump mainly comprises a dual-energy compressor, an expansion speed increaser, a second expansion speed increaser, a heat supplier, a low-temperature heat exchanger and a heat regenerator; the dual-energy compressor is provided with a circulating working medium channel which is communicated with the expansion speed increaser through a heat supplier, the expansion speed increaser is also provided with a circulating working medium channel which is communicated with a second expansion speed increaser through a heat regenerator, and the second expansion speed increaser is also provided with a circulating working medium channel which is communicated with the dual-energy compressor through a low-temperature heat exchanger and the heat regenerator; the heat supplier is also communicated with the outside through a heated medium channel, the low-temperature heat exchanger is also communicated with the outside through a low-temperature heat medium channel, and the expansion speed increaser and the second expansion speed increaser are connected with the dual-energy compressor and transmit power to form a novel backheating mechanical compression heat pump.
9. The new type heat recovery mechanical compression heat pump is mainly composed of a dual-energy compressor, a spray pipe, an expansion speed increaser, a heat supplier, a low temperature heat exchanger and a heat regenerator; the dual-energy compressor is provided with a circulating working medium channel which is communicated with the expansion speed increaser through a heat supplier, the expansion speed increaser is also provided with a circulating working medium channel which is communicated with a spray pipe through a heat regenerator, and the spray pipe is also provided with a circulating working medium channel which is communicated with the dual-energy compressor through a low-temperature heat exchanger and the heat regenerator; the heat supplier is also communicated with the outside through a heated medium channel, the low-temperature heat exchanger is also communicated with the outside through a low-temperature heat medium channel, and the expansion speed increaser is connected with the dual-energy compressor and transmits power to form a novel backheating mechanical compression heat pump.
10. The new regenerative mechanical compression heat pump mainly comprises a compressor, an expander, a heat supplier, a low-temperature heat exchanger and a heat regenerator; the compressor is provided with a circulating working medium channel which is communicated with the expander through a heat supplier, the expander is also provided with a circulating working medium channel which is communicated with the expander through a heat regenerator, and the expander is also provided with a circulating working medium channel which is communicated with the compressor through a low-temperature heat exchanger and the heat regenerator; the heat supplier is also communicated with the outside through a heated medium channel, the low-temperature heat exchanger 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 a novel backheating mechanical compression heat pump.
11. The new regenerative mechanical compression heat pump is mainly composed of a dual-energy compressor, an expander, a spray pipe, a low-temperature heat exchanger and a regenerator; the external part is provided with a heated medium channel which is communicated with an expander, the expander and the heated medium channel are communicated with a spray pipe through a heat regenerator, the spray pipe and the heated medium channel are communicated with a dual-energy compressor through a low-temperature heat exchanger and the heat regenerator, and the dual-energy compressor and the heated medium channel are communicated with the external part; the low-temperature heat exchanger is also provided with a low-temperature heat medium channel communicated with the outside, and the expander is connected with the dual-energy compressor and transmits power to form a novel backheating mechanical compression heat pump.
12. The new regenerative mechanical compression heat pump is mainly composed of a dual-energy compressor, an expander, an expansion speed increaser, a low-temperature heat exchanger and a heat regenerator; the external part is provided with a heated medium channel which is communicated with an expander, the expander and the heated medium channel are communicated with an expansion speed increaser through a heat regenerator, the expansion speed increaser and the heated medium channel are communicated with a dual-energy compressor through a low-temperature heat exchanger and the heat regenerator, and the dual-energy compressor and the heated medium channel are communicated with the external part; the low-temperature heat exchanger is also provided with a low-temperature heat medium channel communicated with the outside, and the expander and the expansion speed increaser are connected with the dual-energy compressor and transmit power to form a novel backheating mechanical compression heat pump.
13. The new regenerative mechanical compression heat pump is mainly composed of a dual-energy compressor, an expander, a spray pipe, a low-temperature heat exchanger and a regenerator; the exterior is provided with a heated medium channel which is communicated with a spray pipe, the spray pipe is also provided with a heated medium channel which is communicated with an expander through a heat regenerator, the expander is also provided with a heated medium channel which is communicated with a dual-energy compressor through a low-temperature heat exchanger and the heat regenerator, and the dual-energy compressor is also provided with a heated medium channel which is communicated with the exterior; the low-temperature heat exchanger is also provided with a low-temperature heat medium channel communicated with the outside, and the expander is connected with the dual-energy compressor and transmits power to form a novel backheating mechanical compression heat pump.
14. The new type heat recovery mechanical compression heat pump is mainly composed of a dual-energy compressor, an expansion speed increaser, a spray pipe, a low-temperature heat exchanger and a heat regenerator; the external part is communicated with a heated medium channel, the spray pipe is also communicated with an expansion speed increaser through a heat regenerator, the expansion speed increaser is also communicated with a dual-energy compressor through a low-temperature heat exchanger and the heat regenerator, and the dual-energy compressor is also communicated with the external part through the heated medium channel; the low-temperature heat exchanger is also communicated with the outside through a low-temperature heat medium channel, and the expansion speed increaser is connected with the dual-energy compressor and transmits power to form a novel backheating mechanical compression heat pump.
15. The novel heat regenerative mechanical compression heat pump mainly comprises a dual-energy compressor, a spray pipe, a second spray pipe, a low-temperature heat exchanger and a heat regenerator; the exterior of the double-energy compressor is communicated with a heated medium channel, the spray pipe is also communicated with a second spray pipe through a regenerator, the second spray pipe is also communicated with the double-energy compressor through a low-temperature heat exchanger and the regenerator, and the double-energy compressor is also communicated with the exterior through the heated medium channel; the low-temperature heat exchanger is also provided with a low-temperature heat medium channel communicated with the outside to form a novel backheating mechanical compression heat pump.
16. The new regenerative mechanical compression heat pump is mainly composed of a dual-energy compressor, an expander, an expansion speed increaser, a low-temperature heat exchanger and a heat regenerator; the external part is provided with a heated medium channel which is communicated with an expansion speed increaser, the expansion speed increaser is also provided with a heated medium channel which is communicated with an expander through a heat regenerator, the expander is also provided with a heated medium channel which is communicated with a dual-energy compressor through a low-temperature heat exchanger and the heat regenerator, and the dual-energy compressor is also provided with a heated medium channel which is communicated with the external part; the low-temperature heat exchanger is also provided with a low-temperature heat medium channel communicated with the outside, and the expander and the expansion speed increaser are connected with the dual-energy compressor and transmit power to form a novel backheating mechanical compression heat pump.
17. The novel heat recovery mechanical compression heat pump mainly comprises a dual-energy compressor, an expansion speed increaser, a second expansion speed increaser, a low-temperature heat exchanger and a heat regenerator; the external part of the expansion speed increaser is provided with a heated medium channel which is communicated with the expansion speed increaser, the expansion speed increaser is also provided with a heated medium channel which is communicated with a second expansion speed increaser through a heat regenerator, the second expansion speed increaser is also provided with a heated medium channel which is communicated with a dual-energy compressor through a low-temperature heat exchanger and the heat regenerator, and the dual-energy compressor is also provided with a heated medium channel which is communicated with the external part; the low-temperature heat exchanger is also provided with a low-temperature heat medium channel communicated with the outside, and the expansion speed increaser and the second expansion speed increaser are connected with the dual-energy compressor and transmit power to form a novel backheating mechanical compression heat pump.
18. The new type heat recovery mechanical compression heat pump is mainly composed of a dual-energy compressor, an expansion speed increaser, a spray pipe, a low-temperature heat exchanger and a heat regenerator; the external part is provided with a heated medium channel which is communicated with an expansion speed increaser, the expansion speed increaser is also provided with a heated medium channel which is communicated with a spray pipe through a heat regenerator, the spray pipe is also provided with a heated medium channel which is communicated with a dual-energy compressor through a low-temperature heat exchanger and the heat regenerator, and the dual-energy compressor is also provided with a heated medium channel which is communicated with the external part; the low-temperature heat exchanger is also communicated with the outside through a low-temperature heat medium channel, and the expansion speed increaser is connected with the dual-energy compressor and transmits power to form a novel backheating mechanical compression heat pump.
19. The new regenerative mechanical compression heat pump is mainly composed of a compressor, an expander, a low-temperature heat exchanger and a heat regenerator; the external part is provided with a heated medium channel which is communicated with an expander, the expander and the heated medium channel are communicated with the expander through a heat regenerator, the expander and the heated medium channel are communicated with a compressor through a low-temperature heat exchanger and the heat regenerator, and the compressor and the heated medium channel are communicated with the external part; the low-temperature heat exchanger is also provided with a low-temperature heat medium channel communicated with the outside, and the expander is connected with the compressor and transmits power to form a novel backheating mechanical compression heat pump.
20. The new regenerative mechanical compression heat pump is mainly composed of compressor, expander, heat supplier and heat regenerator; the external part is provided with a low-temperature heat medium channel which is communicated with the compressor through a heat regenerator, the compressor is also provided with a low-temperature heat medium channel which is communicated with the expander through a heat supplier, the expander is also provided with a low-temperature heat medium channel which is communicated with the expander through the heat regenerator, and the expander is also provided with a low-temperature heat medium channel which is communicated with the external part; the heat supplier is also communicated with the outside through a heated medium channel, and the expander is connected with the compressor and transmits power to form a novel backheating mechanical compression heat pump.
Description of the drawings:
fig. 1 is a schematic flow diagram of a regenerative thermodynamic cycle according to the present invention.
Fig. 2 is a diagram of a 1 st principle thermodynamic system of a novel regenerative mechanical compression heat pump provided by the invention.
Fig. 3 is a diagram of a 2 nd principle thermodynamic system of the novel regenerative mechanical compression heat pump provided by the invention.
Fig. 4 is a 3 rd principle thermodynamic system diagram of the novel regenerative mechanical compression heat pump provided by the invention.
Fig. 5 is a diagram of a 4 th principle thermodynamic system of a novel regenerative mechanical compression heat pump provided by the invention.
Fig. 6 is a diagram of a 5 th principle thermodynamic system of a novel regenerative mechanical compression heat pump provided by the invention.
Fig. 7 is a diagram of a 6 th principle thermodynamic system of a novel regenerative mechanical compression heat pump provided by the invention.
Fig. 8 is a diagram of a 7 th principle thermodynamic system of a novel regenerative mechanical compression heat pump provided by the invention.
Fig. 9 is a diagram of 8 th principle thermodynamic system of the new regenerative mechanical compression heat pump according to the present invention.
Fig. 10 is a diagram of a 9 th principle thermodynamic system of a novel regenerative mechanical compression heat pump provided by the invention.
Fig. 11 is a diagram of a 10 th principle thermodynamic system of a novel regenerative mechanical compression heat pump according to the present invention.
Fig. 12 is a diagram of the 11 th principle thermodynamic system of the new regenerative mechanical compression heat pump according to the present invention.
Fig. 13 is a diagram of a 12 th principle thermodynamic system of a novel regenerative mechanical compression heat pump according to the present invention.
In the figure, 1-double-energy compressor, 2-expander, 3-spray pipe, 4-heater, 5-low-temperature heat exchanger, 6-heat regenerator, 7-expansion speed increaser, 8-second spray pipe, 9-second expansion speed increaser and 10-compressor.
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 example of a regenerative thermodynamic cycle in the T-s diagram of fig. 1 is performed as follows:
(1) from the cycle process:
the cycle working medium carries out 7 processes, namely a heat absorption and temperature rise process 12 from a low-temperature heat source, a heat absorption and temperature rise process 23 from the cycle working medium, an adiabatic pressure rise process 34, a heat release and temperature reduction process 45 to a high-temperature heat source, an adiabatic pressure reduction process 56, a heat release and temperature reduction process 67 to the cycle working medium, and an adiabatic pressure reduction process 71.
(2) From the energy conversion perspective:
firstly, heat required in the heat absorption process, namely the 12 processes of the circulating working medium, is provided by a low-temperature heat source; the heat required by the 23 processes of the cycle working medium is satisfied by the 67 heat release process, namely, heat return.
Secondly, a heat release process, namely, the circulating working medium releases heat in the 45 processes to a high-temperature heat source; the circulating working medium releases heat in the 67 processes and is used for meeting the heat absorption requirement in the 23 processes.
The energy conversion process, namely the boosting process 34 of the circulating working medium, is generally completed by a compressor or a dual-energy compressor; the decompression expansion process 56 of the cycle fluid is generally completed by an expander, an expansion speed increaser or a spray pipe; the pressure reduction and expansion process 71 of the circulating working medium is generally completed by an expansion machine or an expansion speed increaser or a spray pipe; the expansion release mechanical energy is less than the boost consumption mechanical energy, and the external mechanical energy is provided to the compressor or the dual-energy compressor to complete the regenerative thermodynamic cycle.
The new regenerative mechanical compression heat pump shown in fig. 2 is realized by the following steps:
(1) structurally, the heat exchanger mainly comprises a dual-energy compressor, an expander, a spray pipe, a heat supplier, a low-temperature heat exchanger and a heat regenerator; the dual-energy compressor 1 is provided with a circulating working medium channel which is communicated with the expander 2 through the heat supplier 4, the expander 2 is also provided with a circulating working medium channel which is communicated with the spray pipe 3 through the heat regenerator 6, and the spray pipe 3 is also provided with a circulating working medium channel which is communicated with the dual-energy compressor 1 through the low-temperature heat exchanger 5 and the heat regenerator 6; the heat supplier 4 is also communicated with the outside through a heated medium channel, the low-temperature heat exchanger 5 is also communicated with the outside through a low-temperature heat medium channel, and the expander 2 is connected with the dual-energy compressor 1 and transmits power.
(2) In the process, the circulating working medium discharged by the dual-energy compressor 1 flows through the heat supply device 4 and releases heat, flows through the expansion machine 2 to reduce the pressure and do work, flows through the heat exchanger 6 and release heat, flows through the spray pipe 3 to reduce the pressure and increase the speed, flows through the low-temperature heat exchanger 5 and the heat regenerator 6 to gradually absorb heat and increase the temperature, and then enters the dual-energy compressor 1 to increase the pressure and increase the temperature and reduce the speed; the heated medium obtains high-temperature heat load through the heater 4, and low-temperature heat load is provided through the low temperature heat exchanger 5 to low-temperature heat medium, and expander 2 and outside provide power to dual energy compressor 1, form novel backheating mechanical compression heat pump.
The new regenerative mechanical compression heat pump shown in fig. 3 is realized by the following steps:
(1) structurally, the system consists of a dual-energy compressor, an expander, an expansion speed increaser, a heat supplier, a low-temperature heat exchanger and a heat regenerator; the dual-energy compressor 1 is provided with a circulating working medium channel which is communicated with the expander 2 through the heat supplier 4, the expander 2 is also provided with a circulating working medium channel which is communicated with the expansion speed increaser 7 through the heat regenerator 6, and the expansion speed increaser 7 is also provided with a circulating working medium channel which is communicated with the dual-energy compressor 1 through the low-temperature heat exchanger 5 and the heat regenerator 6; the heat supply device 4 is also communicated with the outside through a heated medium channel, the low-temperature heat exchanger 5 is also communicated with the outside through a low-temperature heat medium channel, and the expansion machine 2 and the expansion speed increaser 7 are connected with the dual-energy compressor 1 and transmit power.
(2) In the process, the circulating working medium discharged by the dual-energy compressor 1 flows through the heat supply device 4 and releases heat, flows through the expansion machine 2 to reduce the pressure and do work, flows through the heat exchanger 6 to release heat, flows through the expansion speed increaser 7 to reduce the pressure and do work and increase the speed, flows through the low-temperature heat exchanger 5 and the heat regenerator 6 to gradually absorb heat and increase the temperature, and then enters the dual-energy compressor 1 to increase the pressure and increase the temperature and reduce the speed; the heated medium obtains high-temperature heat load through the heat supplier 4, the low-temperature heat load is provided through the low-temperature heat exchanger 5 by the low-temperature heat medium, the expander 2, the expansion speed increaser 7 and the external part provide power for the dual-energy compressor 1, and a novel backheating mechanical compression heat pump is formed.
The new regenerative mechanical compression heat pump shown in fig. 4 is realized by the following steps:
(1) structurally, the heat exchanger mainly comprises a dual-energy compressor, an expander, a spray pipe, a heat supplier, a low-temperature heat exchanger and a heat regenerator; the dual-energy compressor 1 is provided with a circulating working medium channel which is communicated with the spray pipe 3 through the heat supplier 4, the spray pipe 3 is also provided with a circulating working medium channel which is communicated with the expander 2 through the heat regenerator 6, and the expander 2 is also provided with a circulating working medium channel which is communicated with the dual-energy compressor 1 through the low-temperature heat exchanger 5 and the heat regenerator 6; the heat supplier 4 is also communicated with the outside through a heated medium channel, the low-temperature heat exchanger 5 is also communicated with the outside through a low-temperature heat medium channel, and the expander 2 is connected with the dual-energy compressor 1 and transmits power.
(2) In the process, the circulating working medium discharged by the dual-energy compressor 1 flows through the heat supply device 4 and releases heat, flows through the spray pipe 3 and is depressurized and accelerated, flows through the heat exchanger 6 and releases heat, flows through the expansion machine 2 and is depressurized and does work, flows through the low-temperature heat exchanger 5 and the heat regenerator 6 and gradually absorbs heat and is heated, and then enters the dual-energy compressor 1 to be pressurized, heated and decelerated; the heated medium obtains high-temperature heat load through the heater 4, and low-temperature heat load is provided through the low temperature heat exchanger 5 to low-temperature heat medium, and expander 2 and outside provide power to dual energy compressor 1, form novel backheating mechanical compression heat pump.
The new regenerative mechanical compression heat pump shown in fig. 5 is realized by the following steps:
(1) structurally, the system consists of a dual-energy compressor, a spray pipe, an expansion speed increaser, a heat supplier, a low-temperature heat exchanger and a heat regenerator; the dual-energy compressor 1 is provided with a circulating working medium channel which is communicated with the spray pipe 3 through the heat supplier 4, the spray pipe 3 and the circulating working medium channel are communicated with the expansion speed increaser 7 through the heat regenerator 6, and the expansion speed increaser 7 and the circulating working medium channel are communicated with the dual-energy compressor 1 through the low-temperature heat exchanger 5 and the heat regenerator 6; the heat supplier 4 is also communicated with the outside through a heated medium channel, the low-temperature heat exchanger 5 is also communicated with the outside through a low-temperature heat medium channel, and the expansion speed increaser 7 is connected with the dual-energy compressor 1 and transmits power.
(2) In the process, the circulating working medium discharged by the dual-energy compressor 1 flows through the heat supply device 4 and releases heat, flows through the spray pipe 3 and is depressurized and accelerated, flows through the heat exchanger 6 and releases heat, flows through the expansion speed increaser 7 and is depressurized, does work and is accelerated, flows through the low-temperature heat exchanger 5 and the heat regenerator 6 and gradually absorbs heat and heats up, and then enters the dual-energy compressor 1 and is pressurized, heated and decelerated; the heated medium obtains high-temperature heat load through the heat supplier 4, the low-temperature heat load is provided by the low-temperature heat exchanger 5, the expansion speed increaser 7 and the external part provide power for the dual-energy compressor 1, and a novel backheating mechanical compression heat pump is formed.
The new regenerative mechanical compression heat pump shown in fig. 6 is realized by the following steps:
(1) structurally, the heat recovery device mainly comprises a dual-energy compressor, a spray pipe, a second spray pipe, a heat supplier, a low-temperature heat exchanger and a heat regenerator; the dual-energy compressor 1 is provided with a circulating working medium channel which is communicated with the spray pipe 3 through the heat supplier 4, the spray pipe 3 is also provided with a circulating working medium channel which is communicated with the second spray pipe 8 through the heat regenerator 6, and the second spray pipe 8 is also provided with a circulating working medium channel which is communicated with the dual-energy compressor 1 through the low-temperature heat exchanger 5 and the heat regenerator 6; the heat supply device 4 is also communicated with the outside through a heated medium channel, and the low-temperature heat exchanger 5 is also communicated with the outside through a low-temperature heat medium channel.
(2) In the process, the circulating working medium discharged by the dual-energy compressor 1 flows through the heat supply device 4 and releases heat, flows through the spray pipe 3 to reduce the pressure and increase the speed, flows through the heat exchanger 6 to release heat, flows through the second spray pipe 8 to reduce the pressure and increase the speed, flows through the low-temperature heat exchanger 5 and the heat regenerator 6 to gradually absorb heat and raise the temperature, and then enters the dual-energy compressor 1 to increase the pressure and raise the temperature and reduce the speed; the heated medium obtains high temperature heat load through heater 4, and low temperature heat medium provides low temperature heat load through low temperature heat exchanger 5, and the outside provides power to dual energy compressor 1, forms novel backheating mechanical compression heat pump.
The new regenerative mechanical compression heat pump shown in fig. 7 is realized by the following steps:
(1) structurally, the system consists of a dual-energy compressor, an expander, an expansion speed increaser, a heat supplier, a low-temperature heat exchanger and a heat regenerator; the dual-energy compressor 1 is provided with a circulating working medium channel which is communicated with an expansion speed increaser 7 through a heat supplier 4, the expansion speed increaser 7 is also provided with a circulating working medium channel which is communicated with an expander 2 through a heat regenerator 6, and the expander 2 is also provided with a circulating working medium channel which is communicated with the dual-energy compressor 1 through a low-temperature heat exchanger 5 and the heat regenerator 6; the heat supply device 4 is also communicated with the outside through a heated medium channel, the low-temperature heat exchanger 5 is also communicated with the outside through a low-temperature heat medium channel, and the expansion machine 2 and the expansion speed increaser 7 are connected with the dual-energy compressor 1 and transmit power.
(2) In the process, the circulating working medium discharged by the dual-energy compressor 1 flows through the heat supply device 4 and releases heat, flows through the expansion speed increaser 7 to reduce the pressure, do work and increase the speed, flows through the heat exchanger 6 to release heat, flows through the expansion machine 2 to reduce the pressure, do work, flows through the low-temperature heat exchanger 5 and the heat regenerator 6 to gradually absorb heat and raise the temperature, and then enters the dual-energy compressor 1 to increase the pressure, raise the temperature and reduce the speed; the heated medium obtains high-temperature heat load through the heat supplier 4, the low-temperature heat load is provided through the low-temperature heat exchanger 5 by the low-temperature heat medium, the expander 2, the expansion speed increaser 7 and the external part provide power for the dual-energy compressor 1, and a novel backheating mechanical compression heat pump is formed.
The new regenerative mechanical compression heat pump shown in fig. 8 is realized by the following steps:
(1) structurally, the system mainly comprises a dual-energy compressor, an expansion speed increaser, a second expansion speed increaser, a heat supplier, a low-temperature heat exchanger and a heat regenerator; the dual-energy compressor 1 is provided with a circulating working medium channel which is communicated with an expansion speed increaser 7 through a heat supplier 4, the expansion speed increaser 7 is also provided with a circulating working medium channel which is communicated with a second expansion speed increaser 9 through a heat regenerator 6, and the second expansion speed increaser 9 is also provided with a circulating working medium channel which is communicated with the dual-energy compressor 1 through a low-temperature heat exchanger 5 and the heat regenerator 6; the heat supply device 4 is also communicated with the outside through a heated medium channel, the low-temperature heat exchanger 5 is also communicated with the outside through a low-temperature heat medium channel, and the expansion speed increaser 7 and the second expansion speed increaser 9 are connected with the dual-energy compressor 1 and transmit power.
(2) In the process, the circulating working medium discharged by the dual-energy compressor 1 flows through the heat supply device 4 and releases heat, flows through the expansion speed-increasing machine 7 to reduce the pressure, do work and increase the speed, flows through the heat exchanger 6 to release heat, flows through the second expansion speed-increasing machine 9 to reduce the pressure, do work and increase the speed, flows through the low-temperature heat exchanger 5 and the heat regenerator 6 to gradually absorb heat and increase the temperature, and then enters the dual-energy compressor 1 to increase the pressure, increase the temperature and reduce the speed; the heated medium obtains high-temperature heat load through the heat supplier 4, the low-temperature heat load is provided by the low-temperature heat exchanger 5, the expansion speed increaser 7, the second expansion speed increaser 9 and the external part provide power for the dual-energy compressor 1, and a novel backheating mechanical compression heat pump is formed.
The new regenerative mechanical compression heat pump shown in fig. 9 is realized by the following steps:
(1) structurally, the system consists of a dual-energy compressor, a spray pipe, an expansion speed increaser, a heat supplier, a low-temperature heat exchanger and a heat regenerator; the dual-energy compressor 1 is provided with a circulating working medium channel which is communicated with an expansion speed increaser 7 through a heat supplier 4, the expansion speed increaser 7 is also provided with a circulating working medium channel which is communicated with a spray pipe 3 through a heat regenerator 6, and the spray pipe 3 is also provided with a circulating working medium channel which is communicated with the dual-energy compressor 1 through a low-temperature heat exchanger 5 and the heat regenerator 6; the heat supplier 4 is also communicated with the outside through a heated medium channel, the low-temperature heat exchanger 5 is also communicated with the outside through a low-temperature heat medium channel, and the expansion speed increaser 7 is connected with the dual-energy compressor 1 and transmits power.
(2) In the process, the circulating working medium discharged by the dual-energy compressor 1 flows through the heat supply device 4 and releases heat, flows through the expansion speed increaser 7 and reduces the pressure, does work and increases the speed, flows through the heat exchanger 6 and releases heat, flows through the spray pipe 3 and reduces the pressure, increases the speed, flows through the low-temperature heat exchanger 5 and the heat regenerator 6 and gradually absorbs heat and increases the temperature, and then enters the dual-energy compressor 1 to increase the pressure, increase the temperature and reduce the speed; the heated medium obtains high-temperature heat load through the heat supplier 4, the low-temperature heat load is provided by the low-temperature heat exchanger 5, the expansion speed increaser 7 and the external part provide power for the dual-energy compressor 1, and a novel backheating mechanical compression heat pump is formed.
The new regenerative mechanical compression heat pump shown in fig. 10 is realized by the following steps:
(1) structurally, the heat recovery system mainly comprises a compressor, an expander, a heat supplier, a low-temperature heat exchanger and a heat regenerator; the compressor 10 is provided with a circulating working medium channel which is communicated with the expander 2 through the heat supplier 4, the expander 2 is also provided with a circulating working medium channel which is communicated with the expander 2 through the heat regenerator 6, and the expander 2 is also provided with a circulating working medium channel which is communicated with the compressor 10 through the low-temperature heat exchanger 5 and the heat regenerator 6; the heat supply device 4 is also communicated with the outside through a heated medium channel, the low-temperature heat exchanger 5 is also communicated with the outside through a low-temperature heat medium channel, and the expander 2 is connected with the compressor 10 and transmits power.
(2) In the flow, the circulating working medium discharged by the compressor 10 flows through the heat supply device 4 and releases heat, enters the expansion machine 2 to perform decompression work to a certain degree, then flows through the heat return device 6 to release heat, and enters the expansion machine 2 to perform decompression work continuously; the circulating working medium discharged by the expander 2 flows through the low-temperature heat exchanger 5 and the heat regenerator 6 to gradually absorb heat and raise the temperature, and then enters the compressor 10 to raise the pressure and raise the temperature; the heated medium obtains high-temperature heat load through the heater 4, and low-temperature heat load is provided through the low temperature heat exchanger 5 to low-temperature heat medium, and expander 2 and outside provide power to compressor 10, form novel backheating mechanical compression heat pump.
The new regenerative mechanical compression heat pump shown in fig. 11 is realized by the following steps:
(1) structurally, the system mainly comprises a dual-energy compressor, an expander, a spray pipe, a low-temperature heat exchanger and a heat regenerator; the external part is provided with a heated medium channel which is communicated with the expander 2, the expander 2 is also provided with a heated medium channel which is communicated with the spray pipe 3 through the heat regenerator 6, the spray pipe 3 is also provided with a heated medium channel which is communicated with the dual-energy compressor 1 through the low-temperature heat exchanger 5 and the heat regenerator 6, and the dual-energy compressor 1 is also provided with a heated medium channel which is communicated with the external part; the low-temperature heat exchanger 5 is also communicated with the outside through a low-temperature heat medium channel, and the expander 2 is connected with the dual-energy compressor 1 and transmits power.
(2) In the process, an external heated medium flows through the expander 2 to reduce the pressure and do work, flows through the heat exchanger 6 to release heat, flows through the spray pipe 3 to reduce the pressure and increase the speed, flows through the low-temperature heat exchanger 5 and the heat regenerator 6 to gradually absorb heat and increase the temperature, flows through the dual-energy compressor 1 to increase the pressure and increase the temperature and reduce the speed, and then is externally discharged; the heated medium obtains high-temperature heat load through the inlet and outlet flow, the low-temperature heat load is provided by the low-temperature heat exchanger 5, and the expander 2 and the outside provide power for the dual-energy compressor 1 to form a novel backheating mechanical compression heat pump.
The new regenerative mechanical compression heat pump shown in fig. 12 is realized by the following steps:
(1) structurally, the heat exchanger mainly comprises a compressor, an expander, a low-temperature heat exchanger and a heat regenerator; the external part is provided with a heated medium channel which is communicated with the expander 2, the expander 2 is also provided with a heated medium channel which is communicated with the expander 2 through a heat regenerator 6, the expander 2 is also provided with a heated medium channel which is communicated with a compressor 10 through a low-temperature heat exchanger 5 and the heat regenerator 6, and the compressor 10 is also provided with a heated medium channel which is communicated with the external part; the low temperature heat exchanger 5 is also communicated with the outside through a low temperature heat medium channel, and the expander 2 is connected with the compressor 10 and transmits power.
(2) In the flow, external heated media enter the expansion machine 2 to perform decompression work to a certain degree, then flow through the heat regenerator 6 to release heat, and enter the expansion machine 2 to perform decompression work continuously; the circulating working medium discharged by the expander 2 gradually absorbs heat and heats up through the low-temperature heat exchanger 5 and the heat regenerator 6, and then the circulating working medium is boosted and heated up through the compressor 10 and then discharged outwards; the heated medium obtains high-temperature heat load through the inlet and outlet flow, the low-temperature heat load is provided by the low-temperature heat exchanger 5, and the expander 2 and the outside provide power for the compressor 10, so that the novel backheating mechanical compression heat pump is formed.
The new regenerative mechanical compression heat pump shown in fig. 13 is realized by the following steps:
(1) structurally, the heat recovery system mainly comprises a compressor, an expander, a heat supplier and a heat regenerator; the external part is provided with a low-temperature heat medium channel which is communicated with a compressor 10 through a heat regenerator 6, the compressor 10 is also provided with a low-temperature heat medium channel which is communicated with an expander 2 through a heat supplier 4, the expander 2 is also provided with a low-temperature heat medium channel which is communicated with the expander 2 through the heat regenerator 6, and the expander 2 is also provided with a low-temperature heat medium channel which is communicated with the external part; the heat supply device 4 is also communicated with the outside through a heated medium channel, and the expander 2 is connected with the compressor 10 and transmits power.
(2) In the process, external low-temperature heat medium flows through the heat regenerator 6 to absorb heat and raise temperature, flows through the compressor 10 to raise the pressure and raise the temperature, flows through the heat supplier 4 to release heat, enters the expander 2 to reduce the pressure and do work to a certain degree, then flows through the heat regenerator 6 to release heat, enters the expander 2 to continue reducing the pressure and do work and is discharged outwards; the heated medium obtains high-temperature heat load through the heater 4, and low-temperature heat load is provided through the business turn over flow to low-temperature heat medium, and expander 2 and outside provide power to compressor 10, form novel backheat mechanical compression heat pump.
The effect that the technology of the invention can realize-the regenerative thermal cycle and the novel regenerative mechanical compression heat pump proposed by the invention have the following effects and advantages:
(1) the regenerative thermodynamic cycle conforms to the thermodynamic principle; the heat regeneration parameters (such as pressure) are flexible, and the heat regeneration amplitude is adjustable.
(2) The regenerative thermal cycle has corresponding and suitable regenerative amplitude under different heat source temperature differences, and keeps reasonable performance index.
(3) The regenerative thermal cycle effectively reduces the cycle compression ratio and provides a basic working principle for improving the flow of the cycle working medium and selecting a large-flow compressor.
(4) The novel heat regenerative mechanical compression heat pump realizes deep refrigeration or high-temperature heat supply and realizes and expands reasonable utilization of energy.
(5) The new heat regenerative mechanical compression heat pump provides several technological schemes, is favorable to expanding the application range of mechanical compression heat pump and realizes the high efficiency cold/heat utilization of mechanical energy.
Claims (20)
1. The regenerative thermodynamic cycle is a closed process which is formed by seven processes, namely a self-low-temperature heat source heat absorption process 12, a self-cycle working medium heat absorption process 23, a pressure increasing process 34, a heat release process 45 to a high-temperature heat source, a pressure reducing process 56, a heat release process 67 to a cycle working medium and a pressure reducing process 71, which are sequentially carried out by a certain mass of cycle working medium; wherein the exotherm for process 67 satisfies the endotherm for process 23.
2. The new regenerative mechanical compression heat pump is mainly composed of a dual-energy compressor, an expander, a spray pipe, a heat supplier, a low-temperature heat exchanger and a heat regenerator; the dual-energy compressor (1) is provided with a circulating working medium channel which is communicated with the expander (2) through the heat supplier (4), the expander (2) is also provided with a circulating working medium channel which is communicated with the spray pipe (3) through the heat regenerator (6), and the spray pipe (3) is also provided with a circulating working medium channel which is communicated with the dual-energy compressor (1) through the low-temperature heat exchanger (5) and the heat regenerator (6); the heat supplier (4) is also communicated with the outside through a heated medium channel, the low-temperature heat exchanger (5) is also communicated with the outside through a low-temperature heat medium channel, and the expander (2) is connected with the dual-energy compressor (1) and transmits power to form a novel backheating mechanical compression heat pump.
3. The new type heat recovery mechanical compression heat pump is mainly composed of a dual-energy compressor, an expander, an expansion speed increaser, a heat supplier, a low temperature heat exchanger and a heat regenerator; the dual-energy compressor (1) is provided with a circulating working medium channel which is communicated with the expander (2) through the heat supplier (4), the expander (2) is also provided with a circulating working medium channel which is communicated with the expansion speed increaser (7) through the heat regenerator (6), and the expansion speed increaser (7) is also provided with a circulating working medium channel which is communicated with the dual-energy compressor (1) through the low-temperature heat exchanger (5) and the heat regenerator (6); the heat supplier (4) is also communicated with the outside through a heated medium channel, the low-temperature heat exchanger (5) is also communicated with the outside through a low-temperature heat medium channel, and the expander (2) and the expansion speed increaser (7) are connected with the dual-energy compressor (1) and transmit power to form a novel backheating mechanical compression heat pump.
4. The new regenerative mechanical compression heat pump is mainly composed of a dual-energy compressor, an expander, a spray pipe, a heat supplier, a low-temperature heat exchanger and a heat regenerator; the dual-energy compressor (1) is provided with a circulating working medium channel which is communicated with the spray pipe (3) through the heat supplier (4), the spray pipe (3) is also provided with a circulating working medium channel which is communicated with the expander (2) through the heat regenerator (6), and the expander (2) is also provided with a circulating working medium channel which is communicated with the dual-energy compressor (1) through the low-temperature heat exchanger (5) and the heat regenerator (6); the heat supplier (4) is also communicated with the outside through a heated medium channel, the low-temperature heat exchanger (5) is also communicated with the outside through a low-temperature heat medium channel, and the expander (2) is connected with the dual-energy compressor (1) and transmits power to form a novel backheating mechanical compression heat pump.
5. The new type heat recovery mechanical compression heat pump is mainly composed of a dual-energy compressor, a spray pipe, an expansion speed increaser, a heat supplier, a low temperature heat exchanger and a heat regenerator; the dual-energy compressor (1) is provided with a circulating working medium channel which is communicated with the spray pipe (3) through the heat supplier (4), the spray pipe (3) and the circulating working medium channel are communicated with the expansion speed increaser (7) through the heat regenerator (6), and the expansion speed increaser (7) and the circulating working medium channel are communicated with the dual-energy compressor (1) through the low-temperature heat exchanger (5) and the heat regenerator (6); the heat supplier (4) is also communicated with the outside through a heated medium channel, the low-temperature heat exchanger (5) is also communicated with the outside through a low-temperature heat medium channel, and the expansion speed increaser (7) is connected with the dual-energy compressor (1) and transmits power to form a novel backheating mechanical compression heat pump.
6. The novel heat regenerative mechanical compression heat pump mainly comprises a dual-energy compressor, a spray pipe, a second spray pipe, a heat supplier, a low-temperature heat exchanger and a heat regenerator; the dual-energy compressor (1) is provided with a circulating working medium channel which is communicated with the spray pipe (3) through the heat supplier (4), the spray pipe (3) is also provided with a circulating working medium channel which is communicated with the second spray pipe (8) through the heat regenerator (6), and the second spray pipe (8) is also provided with a circulating working medium channel which is communicated with the dual-energy compressor (1) through the low-temperature heat exchanger (5) and the heat regenerator (6); the heat supplier (4) is also communicated with the outside through a heated medium channel, and the low-temperature heat exchanger (5) is also communicated with the outside through a low-temperature heat medium channel to form a novel backheating mechanical compression heat pump.
7. The new type heat recovery mechanical compression heat pump is mainly composed of a dual-energy compressor, an expander, an expansion speed increaser, a heat supplier, a low temperature heat exchanger and a heat regenerator; the dual-energy compressor (1) is provided with a circulating working medium channel which is communicated with an expansion speed increaser (7) through a heat supplier (4), the expansion speed increaser (7) is also provided with a circulating working medium channel which is communicated with an expander (2) through a heat regenerator (6), and the expander (2) is also provided with a circulating working medium channel which is communicated with the dual-energy compressor (1) through a low-temperature heat exchanger (5) and the heat regenerator (6); the heat supplier (4) is also communicated with the outside through a heated medium channel, the low-temperature heat exchanger (5) is also communicated with the outside through a low-temperature heat medium channel, and the expander (2) and the expansion speed increaser (7) are connected with the dual-energy compressor (1) and transmit power to form a novel backheating mechanical compression heat pump.
8. The novel heat recovery mechanical compression heat pump mainly comprises a dual-energy compressor, an expansion speed increaser, a second expansion speed increaser, a heat supplier, a low-temperature heat exchanger and a heat regenerator; the dual-energy compressor (1) is provided with a circulating working medium channel which is communicated with an expansion speed increaser (7) through a heat supplier (4), the expansion speed increaser (7) is also provided with a circulating working medium channel which is communicated with a second expansion speed increaser (9) through a heat regenerator (6), and the second expansion speed increaser (9) is also provided with a circulating working medium channel which is communicated with the dual-energy compressor (1) through a low-temperature heat exchanger (5) and the heat regenerator (6); the heat supply device (4) is also communicated with the outside through a heated medium channel, the low-temperature heat exchanger (5) is also communicated with the outside through a low-temperature heat medium channel, and the expansion speed increaser (7) and the second expansion speed increaser (9) are connected with the dual-energy compressor (1) and transmit power to form a novel backheating mechanical compression heat pump.
9. The new type heat recovery mechanical compression heat pump is mainly composed of a dual-energy compressor, a spray pipe, an expansion speed increaser, a heat supplier, a low temperature heat exchanger and a heat regenerator; the dual-energy compressor (1) is provided with a circulating working medium channel which is communicated with an expansion speed increaser (7) through a heat supplier (4), the expansion speed increaser (7) is also provided with a circulating working medium channel which is communicated with a spray pipe (3) through a heat regenerator (6), and the spray pipe (3) is also provided with a circulating working medium channel which is communicated with the dual-energy compressor (1) through a low-temperature heat exchanger (5) and the heat regenerator (6); the heat supplier (4) is also communicated with the outside through a heated medium channel, the low-temperature heat exchanger (5) is also communicated with the outside through a low-temperature heat medium channel, and the expansion speed increaser (7) is connected with the dual-energy compressor (1) and transmits power to form a novel backheating mechanical compression heat pump.
10. The new regenerative mechanical compression heat pump mainly comprises a compressor, an expander, a heat supplier, a low-temperature heat exchanger and a heat regenerator; the compressor (10) is provided with a circulating working medium channel which is communicated with the expander (2) through the heat supplier (4), the expander (2) is also provided with a circulating working medium channel which is communicated with the expander through the heat regenerator (6), and the expander (2) is also provided with a circulating working medium channel which is communicated with the compressor (10) through the low-temperature heat exchanger (5) and the heat regenerator (6); the heat supplier (4) is also communicated with the outside through a heated medium channel, the low-temperature heat exchanger (5) is also communicated with the outside through a low-temperature heat medium channel, and the expander (2) is connected with the compressor (10) and transmits power to form a novel backheating mechanical compression heat pump.
11. The new regenerative mechanical compression heat pump is mainly composed of a dual-energy compressor, an expander, a spray pipe, a low-temperature heat exchanger and a regenerator; the external part is provided with a heated medium channel which is communicated with the expander (2), the expander (2) is also provided with a heated medium channel which is communicated with the spray pipe (3) through the heat regenerator (6), the spray pipe (3) is also provided with a heated medium channel which is communicated with the dual-energy compressor (1) through the low-temperature heat exchanger (5) and the heat regenerator (6), and the dual-energy compressor (1) is also provided with a heated medium channel which is communicated with the external part; the low-temperature heat exchanger (5) is also provided with a low-temperature heat medium channel communicated with the outside, and the expander (2) is connected with the dual-energy compressor (1) and transmits power to form a novel backheating mechanical compression heat pump.
12. The new regenerative mechanical compression heat pump is mainly composed of a dual-energy compressor, an expander, an expansion speed increaser, a low-temperature heat exchanger and a heat regenerator; the external part is provided with a heated medium channel which is communicated with the expander (2), the expander (2) is also provided with a heated medium channel which is communicated with the expansion speed increaser (7) through the heat regenerator (6), the expansion speed increaser (7) is also provided with a heated medium channel which is communicated with the dual-energy compressor (1) through the low-temperature heat exchanger (5) and the heat regenerator (6), and the dual-energy compressor (1) is also provided with a heated medium channel which is communicated with the external part; the low-temperature heat exchanger (5) is also provided with a low-temperature heat medium channel communicated with the outside, and the expander (2) and the expansion speed increaser (7) are connected with the dual-energy compressor (1) and transmit power to form a novel backheating mechanical compression heat pump.
13. The new regenerative mechanical compression heat pump is mainly composed of a dual-energy compressor, an expander, a spray pipe, a low-temperature heat exchanger and a regenerator; the external part is provided with a heated medium channel which is communicated with the spray pipe (3), the spray pipe (3) is also provided with a heated medium channel which is communicated with the expander (2) through the heat regenerator (6), the expander (2) is also provided with a heated medium channel which is communicated with the dual-energy compressor (1) through the low-temperature heat exchanger (5) and the heat regenerator (6), and the dual-energy compressor (1) is also provided with a heated medium channel which is communicated with the external part; the low-temperature heat exchanger (5) is also provided with a low-temperature heat medium channel communicated with the outside, and the expander (2) is connected with the dual-energy compressor (1) and transmits power to form a novel backheating mechanical compression heat pump.
14. The new type heat recovery mechanical compression heat pump is mainly composed of a dual-energy compressor, an expansion speed increaser, a spray pipe, a low-temperature heat exchanger and a heat regenerator; the external part is provided with a heated medium channel which is communicated with the spray pipe (3), the spray pipe (3) is also provided with a heated medium channel which is communicated with the expansion speed increaser (7) through the heat regenerator (6), the expansion speed increaser (7) is also provided with a heated medium channel which is communicated with the dual-energy compressor (1) through the low-temperature heat exchanger (5) and the heat regenerator (6), and the dual-energy compressor (1) is also provided with a heated medium channel which is communicated with the external part; the low-temperature heat exchanger (5) is also provided with a low-temperature heat medium channel communicated with the outside, and the expansion speed increaser (7) is connected with the dual-energy compressor (1) and transmits power to form a novel backheating mechanical compression heat pump.
15. The novel heat regenerative mechanical compression heat pump mainly comprises a dual-energy compressor, a spray pipe, a second spray pipe, a low-temperature heat exchanger and a heat regenerator; a heated medium channel is arranged outside and communicated with the spray pipe (3), the spray pipe (3) is also provided with a heated medium channel which is communicated with a second spray pipe (8) through a heat regenerator (6), the second spray pipe (8) is also provided with a heated medium channel which is communicated with the dual-energy compressor (1) through a low-temperature heat exchanger (5) and the heat regenerator (6), and the dual-energy compressor (1) is also provided with a heated medium channel which is communicated with the outside; the low-temperature heat exchanger (5) is also provided with a low-temperature heat medium channel communicated with the outside to form a novel backheating mechanical compression heat pump.
16. The new regenerative mechanical compression heat pump is mainly composed of a dual-energy compressor, an expander, an expansion speed increaser, a low-temperature heat exchanger and a heat regenerator; the external part is provided with a heated medium channel which is communicated with an expansion speed increaser (7), the expansion speed increaser (7) is also provided with a heated medium channel which is communicated with an expansion machine (2) through a heat regenerator (6), the expansion machine (2) is also provided with a heated medium channel which is communicated with a dual-energy compressor (1) through a low-temperature heat exchanger (5) and the heat regenerator (6), and the dual-energy compressor (1) is also provided with a heated medium channel which is communicated with the external part; the low-temperature heat exchanger (5) is also provided with a low-temperature heat medium channel communicated with the outside, and the expander (2) and the expansion speed increaser (7) are connected with the dual-energy compressor (1) and transmit power to form a novel backheating mechanical compression heat pump.
17. The novel heat recovery mechanical compression heat pump mainly comprises a dual-energy compressor, an expansion speed increaser, a second expansion speed increaser, a low-temperature heat exchanger and a heat regenerator; a heated medium channel is arranged outside and communicated with an expansion speed increaser (7), the expansion speed increaser (7) is also communicated with a heated medium channel through a heat regenerator (6) and a second expansion speed increaser (9), the second expansion speed increaser (9) is also communicated with a dual-energy compressor (1) through a low-temperature heat exchanger (5) and the heat regenerator (6), and the dual-energy compressor (1) is also communicated with the outside through the heated medium channel; the low-temperature heat exchanger (5) is also provided with a low-temperature heat medium channel communicated with the outside, and the expansion speed increaser (7) and the second expansion speed increaser (9) are connected with the dual-energy compressor (1) and transmit power to form a novel backheating mechanical compression heat pump.
18. The new type heat recovery mechanical compression heat pump is mainly composed of a dual-energy compressor, an expansion speed increaser, a spray pipe, a low-temperature heat exchanger and a heat regenerator; the external part is provided with a heated medium channel which is communicated with an expansion speed increaser (7), the expansion speed increaser (7) is also provided with a heated medium channel which is communicated with a spray pipe (3) through a heat regenerator (6), the spray pipe (3) is also provided with a heated medium channel which is communicated with a dual-energy compressor (1) through a low-temperature heat exchanger (5) and the heat regenerator (6), and the dual-energy compressor (1) is also provided with a heated medium channel which is communicated with the external part; the low-temperature heat exchanger (5) is also provided with a low-temperature heat medium channel communicated with the outside, and the expansion speed increaser (7) is connected with the dual-energy compressor (1) and transmits power to form a novel backheating mechanical compression heat pump.
19. The new regenerative mechanical compression heat pump is mainly composed of a compressor, an expander, a low-temperature heat exchanger and a heat regenerator; the external part is provided with a heated medium channel which is communicated with the expander (2), the expander (2) is also provided with a heated medium channel which is communicated with the expander through a heat regenerator (6), the expander (2) is also provided with a heated medium channel which is communicated with a compressor (10) through a low-temperature heat exchanger (5) and the heat regenerator (6), and the compressor (10) is also provided with a heated medium channel which is communicated with the external part; the low-temperature heat exchanger (5) is also provided with a low-temperature heat medium channel communicated with the outside, and the expander (2) is connected with the compressor (10) and transmits power to form a novel backheating mechanical compression heat pump.
20. The new regenerative mechanical compression heat pump is mainly composed of compressor, expander, heat supplier and heat regenerator; the external part is provided with a low-temperature heat medium channel which is communicated with a compressor (10) through a heat regenerator (6), the compressor (10) is also provided with a low-temperature heat medium channel which is communicated with an expander (2) through a heat supplier (4), the expander (2) is also provided with a low-temperature heat medium channel which is communicated with the expander through the heat regenerator (6), and the expander (2) is also provided with a low-temperature heat medium channel which is communicated with the external part; the heat supplier (4) is also communicated with the outside through a heated medium channel, and the expander (2) is connected with the compressor (10) and transmits power to form a novel backheating mechanical compression heat pump.
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| CN108119194B (en) * | 2016-12-15 | 2020-05-01 | 李华玉 | Triple combined cycle power plant |
| CN108019245B (en) * | 2016-12-15 | 2020-05-29 | 李华玉 | Multiple combined cycle power plant |
| CN108119195B (en) * | 2016-12-20 | 2020-05-01 | 李华玉 | Combined cycle power plant |
| CN108119196B (en) * | 2017-12-07 | 2020-05-01 | 李华玉 | Combined cycle power plant |
| CN110953749A (en) * | 2018-11-12 | 2020-04-03 | 李华玉 | High-efficiency steam compression type heat pump |
| CN111379601A (en) * | 2019-02-28 | 2020-07-07 | 李华玉 | Single working medium combined cycle steam power device |
-
2021
- 2021-09-24 WO PCT/CN2021/000197 patent/WO2022068119A1/en active Application Filing
- 2021-09-26 CN CN202111179172.6A patent/CN114001482A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110953750A (en) * | 2018-11-12 | 2020-04-03 | 李华玉 | High-efficiency steam compression type heat pump |
| CN111379606A (en) * | 2019-03-03 | 2020-07-07 | 李华玉 | Combined cycle power plant |
| CN111608751A (en) * | 2019-05-02 | 2020-09-01 | 李华玉 | Combined cycle power plant |
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| WO2022068119A1 (en) | 2022-04-07 |
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