CN112539573A - Efficient super heat pump heat exchange device and heat exchange method - Google Patents
Efficient super heat pump heat exchange device and heat exchange method Download PDFInfo
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- CN112539573A CN112539573A CN202011539312.1A CN202011539312A CN112539573A CN 112539573 A CN112539573 A CN 112539573A CN 202011539312 A CN202011539312 A CN 202011539312A CN 112539573 A CN112539573 A CN 112539573A
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000006835 compression Effects 0.000 claims abstract description 72
- 238000007906 compression Methods 0.000 claims abstract description 72
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical group O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 239000003507 refrigerant Substances 0.000 claims 17
- 238000010438 heat treatment Methods 0.000 claims 3
- 239000002440 industrial waste Substances 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Classifications
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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
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
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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
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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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
- F25B31/00—Compressor arrangements
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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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
Abstract
The invention discloses a high-efficiency super heat pump heat exchange device and a heat exchange method, belonging to the technical field of energy utilization; the heat exchange device comprises a heat sink inlet, a heat sink outlet, a heat source inlet, a heat exchanger A, a heat exchanger B, a heat exchanger C, a heat exchanger D, a compression device A, a compression device B, a rotating shaft A, a rotating shaft B, a channel switch A, a channel switch B, a valve A, a valve B, a valve C, a valve D, a drive device A, a drive device B, a cycle working medium A and a cycle working medium B.
Description
Technical Field
The invention belongs to the technical field of energy utilization, and particularly relates to a high-efficiency super heat pump heat exchange device and a heat exchange method; in particular to a heat pump device which extracts heat in a cold source to heat the heat source and automatically adjusts the operation mode according to the temperature of the cold source.
Background
In the field of energy utilization, a large number of heat exchange processes exist in various industrial and civil processes. According to Newton's second law, heat can be spontaneously transferred from a high-temperature object to a low-temperature object, and the heat exchange working condition can be realized only by using a common heat exchanger; if heat needs to be transferred from a low temperature object to a high temperature object, a certain amount of high grade energy, such as electricity, high temperature steam or hot water, needs to be consumed. Meanwhile, the industrial energy consumption of China accounts for more than 70% of the total energy consumption, wherein at least 50% of the industrial energy consumption is converted into industrial waste heat with different carriers and different temperatures, and most of the industrial waste heat can be recycled; at present, the recovery rate of industrial waste heat resources in China is only about 30%, basic research and industrial practice of comprehensive utilization of industrial waste heat are vigorously developed, and the method has important significance for promoting realization of important strategic targets of energy conservation and emission reduction in China. The invention provides a super heat pump device, which has the advantages of remarkable energy saving and emission reduction advantages in the field of waste heat utilization, but has the characteristics of wide heat distribution range and unstable temperature of industrial waste heat, and can realize large-temperature-difference heat exchange between a heat source and a heat sink in order to deeply recover various waste heat and meet the requirements of production processes and civil occasions.
Disclosure of Invention
The invention aims to provide a high-efficiency super heat pump heat exchange device, which is characterized in that: the heat exchange device consists of a heat sink inlet 1, a heat sink outlet 2, a heat source outlet 3, a heat source inlet 4, a heat exchanger A5, a heat exchanger B6, a heat exchanger C7, a heat exchanger D8, a compression device A9, a compression device B10, a rotating shaft A11, a rotating shaft B12, a channel A switch 13, a channel B switch 14, a valve A15, a valve B (16, a valve C17, a valve D18, a drive device A19, a drive device B20, a cycle working medium A and a cycle working medium B; the A compression device 9 comprises an A low-pressure cavity 9a, an A medium-pressure cavity 9b, an A high-pressure cavity 9c, an A driving device 19 and an A rotating shaft 11; the B compression device 10 comprises a B low-pressure cavity 10a, a B medium-pressure cavity 10B, a B high-pressure cavity 10c, a B driving device 20 and a B rotating shaft 12; the A rotating shaft 11 is provided with an A blade 11a and a B blade 11B, and the B rotating shaft 12 is provided with a C blade 12a and a D blade 12B.
The cycle working medium A returns to the heat exchanger A5 through the heat exchanger A5, the valve A15, the heat exchanger C7 and the compression device A9 in sequence; the cycle working medium B returns to the heat exchanger B6 through the heat exchanger B6, the valve C17, the heat exchanger D8 and the compression device B10 in sequence; the heat sink is heated from the heat sink inlet 1 through the a heat exchanger 5 and the B heat exchanger 6 in sequence, and the heat source is cooled from the heat source inlet 4 through the D heat exchanger 8 and the C heat exchanger 7 in sequence.
The main pipelines of the heat exchanger A5 and the heat exchanger B6 are connected in series; the main pipeline of the heat exchanger C7 is connected with the main pipeline of the heat exchanger D8 in series; one end of a heat exchange tube of the heat exchanger A5 is respectively connected with one end of a heat exchange tube of the heat exchanger C7 and the valve B16 through the valve A15, and the valve B16 is connected with the compression device A9; the other end of the heat exchange tube of the heat exchanger A5 is connected with the high-pressure cavity A9 c; one end of a heat exchange tube of the heat exchanger C7 is connected with the low-pressure cavity A9 a;
one end of the heat exchange tube of the heat exchanger B6 is respectively connected with one end of the heat exchange tube of the heat exchanger D8 and the valve D18 through the valve C17, and the valve D18 is connected with the compression device B10; the other end of the heat exchange tube of the heat exchanger B6 is connected with a high-pressure cavity B10 c; the other end of the heat exchange tube of the heat exchanger D8 is connected with the low-pressure cavity B10 a.
The A compression device 9 comprises an A low-pressure cavity 9a, an A medium-pressure cavity 9b, an A high-pressure cavity 9c, an A driving device 19, an A channel switch 13 and an A rotating shaft 11; the A rotating shaft 11 is fixed in the A low-pressure cavity 9a and the A middle-pressure cavity 9b through a bracket between the two cavities; in the A low-pressure cavity 9a, the A rotating shaft 11 is provided with an A blade 11a, and in the A medium-pressure cavity 9B, the A rotating shaft 11 is provided with a B blade 11B; the A driving device 19 is fixed below the A low-pressure cavity 9a and is connected with the A rotating shaft 11,
the B compression device 10 comprises a B low-pressure cavity 10a, a B medium-pressure cavity 10B, a B high-pressure cavity 10c, a B driving device 20, a B channel switch 14 and a B rotating shaft 12; the B rotating shaft 12 is fixed in the B low-pressure cavity 10a and the B medium-pressure cavity 10B through a bracket between the two cavities, a blade 12a of C is arranged on the B rotating shaft 12 in the B low-pressure cavity 10a, and a blade 12B of D is arranged on the B rotating shaft 12 in the B medium-pressure cavity 10B; the B driving device 20 is fixed below the B low pressure chamber 10a and is connected with the B rotating shaft 12.
The heat source and the heat sink are heated by two or more heat exchangers in series.
The vanes arranged on the rotating shaft adopt vortex type, centrifugal type, piston type or screw type vanes.
The heat exchanger adopts a shell-and-tube type, plate type or heat pipe type heat exchange mode.
The circulating working medium A is water and circulating working medium B carbon dioxide.
The heat exchange method of the high-efficiency super heat pump heat exchange device is characterized in that the heat exchange operation of the heat exchange device comprises the following steps:
(1) the A channel switch 13 is opened, the B valve 16 is closed, the A driving device 19 is opened, the B driving device 20 is closed, the A circulating medium circulates, the B circulating medium does not circulate, the A circulating medium is heated in the C heat exchanger 7 and becomes steam to enter the A compression device 9, the steam enters the A middle pressure cavity 9B after being compressed by the B blade 11B in the A low pressure cavity 9a, the A circulating medium directly enters the A high pressure cavity 9C through the A channel switch 13 without being compressed by the A blade 11a, the A circulating medium enters the A heat exchanger 5 to heat a heat sink, and the A circulating medium returns to the C heat exchanger 7 through the A valve 15.
(2) The method comprises the following steps that a channel switch 13 is closed, a valve 16B is closed, a driving device 19A is opened, a driving device 20B is closed, a circulation working medium A circulates, the circulation working medium B does not circulate, the circulation working medium A is heated in a heat exchanger 7C to become steam and enters a compression device 9A, the steam is compressed in a low-pressure cavity 9a by a blade 11B and then enters a medium-pressure cavity 9B, the circulation working medium A is compressed by the blade 11a and enters a high-pressure cavity 9C, the circulation working medium A enters a heat exchanger 5A to heat a heat sink, and the heat is returned to the heat exchanger 7C through a valve 15A.
(3) The channel A switch 13 is closed, the B valve 16 is opened, the A driving device 19 is opened, the B driving device 20 is closed, the A circulating working medium circulates, the B circulating working medium does not circulate, the A circulating working medium is heated in the C heat exchanger 7 to become steam and enters the A compression device 9, the steam is compressed by the B blade 11B in the A low-pressure cavity 9a and then enters the A medium-pressure cavity 9B, the A circulating working medium is compressed by the A blade 11a and enters the A high-pressure cavity 9C, the A circulating working medium enters the A heat exchanger 5 to be heated and heat-gathered, part of the A circulating working medium enters the A compression device 9 after passing through the A valve 15, and the rest of the A circulating working medium returns to the C.
(4) The A channel switch 13 is closed, the B valve 16 is opened, the B channel switch 14 is opened, the D valve 18 is closed, the A driving device 19 is opened, the B driving device 20 is opened, the A circulating working medium circulates, the B circulating working medium circulates, the A circulating working medium is heated in the C heat exchanger 7 to become steam, the steam enters the A compression device 9, the steam is compressed in the A low-pressure cavity 9a by the B blade 11B and then enters the A medium-pressure cavity 9B, the A circulating working medium is compressed by the A blade 11a and then enters the A high-pressure cavity 9C, the A circulating working medium enters the A heat exchanger 5 to be heated and converged, part of the A circulating working medium enters the A compression device 9 after passing through the A valve 15, the rest of the A circulating working medium returns to the C heat exchanger 7, the B circulating working medium is heated in the D heat exchanger 8 to become steam, the B compression device 10, the B circulating working medium is compressed by the D, the cycle working medium A is not compressed by the C blade 12a and enters the B high-pressure cavity 10C, the cycle working medium B enters the B heat exchanger 6 to heat and converge, and then returns to the D heat exchanger 8 through the C valve 17.
(5) The A channel switch 13 is closed, the B valve 16 is opened, the B channel switch 14 is closed, the D valve 18 is closed, the A driving device 19 is opened, the B driving device 20 is opened, the A circulating working medium circulates, the B circulating working medium circulates, the A circulating working medium is heated in the C heat exchanger 7 to become steam, the steam enters the A compression device 9, the steam is compressed in the A low-pressure cavity 9a by the B blade 11B and then enters the A medium-pressure cavity 9B, the A circulating working medium is compressed by the A blade 11a and then enters the A high-pressure cavity 9C, the A circulating working medium enters the A heat exchanger 5 to be heated and converged, part of the A circulating working medium enters the A compression device 9 after passing through the A valve 15, the rest of the A circulating working medium returns to the C heat exchanger 7, the B circulating working medium is heated in the D heat exchanger 8 to become steam, the B compression device 10, the B low-pressure cavity 10a, the cycle working medium A is compressed by the blade C12 a and enters the high-pressure cavity B10C, the cycle working medium B enters the heat exchanger B6 to heat and converge, and then returns to the heat exchanger D8 through the valve C17.
(6) The A channel switch 13 is closed, the B valve 16 is opened, the B channel switch 14 is closed, the D valve 18 is opened, the A driving device 19 is opened, the B driving device 20 is opened, the A circulating working medium circulates, the B circulating working medium circulates, the A circulating working medium is heated in the C heat exchanger 7 to become steam, the steam enters the A compression device 9, the steam is compressed in the A low-pressure cavity 9a by the B blade 11B and then enters the A medium-pressure cavity 9B, the A circulating working medium is compressed by the A blade 11a and then enters the A high-pressure cavity 9C, the A circulating working medium enters the A heat exchanger 5 to be heated and converged, part of the A circulating working medium enters the A compression device 9 after passing through the A valve 15, the rest of the A circulating working medium returns to the C heat exchanger 7, the B circulating working medium is heated in the D heat exchanger 8 to become steam, the B compression device 10, the B circulating working medium is compressed by the D blade, the circulating working medium A is compressed by the blade C12 a and enters the high-pressure cavity B10C, the circulating working medium B enters the heat exchanger B6 to be heated and converged, part of the circulating working medium B passes through the valve C17 and enters the compression device B10, and the rest of the circulating working medium B returns to the heat exchanger D8.
The invention has the beneficial effects that the super heat pump device is provided, large temperature difference heat exchange between a heat source and a heat sink is realized, and a flexible and efficient heat exchange process is realized according to the temperature change operation of the heat source and the heat sink.
Drawings
FIG. 1 is a schematic diagram of a high-efficiency super heat pump heat exchange device.
Detailed Description
The invention provides a high-efficiency super heat pump heat exchange device and a heat exchange method, which are described in the following with reference to the attached drawings.
The schematic diagram of the high-efficiency super heat pump heat exchange device is shown in figure 1. The heat exchange device shown in the figure is composed of a heat sink inlet 1, a heat sink outlet 2, a heat source outlet 3, a heat source inlet 4, an A heat exchanger 5, a B heat exchanger 6, a C heat exchanger 7, a D heat exchanger 8, an A compression device 9, a B compression device 10, an A rotating shaft 11, a B rotating shaft 12, an A channel switch 13, a B channel switch 14, an A valve 15, a B valve (16, a C valve 17, a D valve 18, an A driving device 19, a B driving device 20, an A circulating working medium and a B circulating working medium; the main pipelines of the heat exchanger A5 and the heat exchanger B6 are connected in series; the main pipeline of the heat exchanger C7 is connected with the main pipeline of the heat exchanger D8 in series; one end of a heat exchange tube of the heat exchanger A5 is respectively connected with one end of a heat exchange tube of the heat exchanger C7 and the valve B16 through the valve A15, and the valve B16 is connected with the compression device A9; the other end of the heat exchange tube of the heat exchanger A5 is connected with the high-pressure cavity A9 c; one end of a heat exchange tube of the heat exchanger C7 is connected with the low-pressure cavity A9 a;
one end of the heat exchange tube of the heat exchanger B6 is respectively connected with one end of the heat exchange tube of the heat exchanger D8 and the valve D18 through the valve C17, and the valve D18 is connected with the compression device B10; the other end of the heat exchange tube of the heat exchanger B6 is connected with a high-pressure cavity B10 c; the other end of the heat exchange tube of the heat exchanger D8 is connected with the low-pressure cavity B10 a. The heat exchanger adopts a shell-and-tube type, plate type or heat pipe type heat exchange mode. The heat source and the heat sink are heated by two or more heat exchangers in series.
The A compression device 9 comprises an A low-pressure cavity 9a, an A medium-pressure cavity 9b, an A high-pressure cavity 9c, an A driving device 19, an A channel switch 13 and an A rotating shaft 11; the A rotating shaft 11 is fixed in the A low-pressure cavity 9a and the A middle-pressure cavity 9b through a bracket between the two cavities; in the A low-pressure cavity 9a, the A rotating shaft 11 is provided with an A blade 11a, and in the A medium-pressure cavity 9B, the A rotating shaft 11 is provided with a B blade 11B; the A driving device 19 is fixed below the A low-pressure cavity 9a and is connected with the A rotating shaft 11,
the B compression device 10 comprises a B low-pressure cavity 10a, a B medium-pressure cavity 10B, a B high-pressure cavity 10c, a B driving device 20, a B channel switch 14 and a B rotating shaft 12; the B rotating shaft 12 is fixed in the B low-pressure cavity 10a and the B medium-pressure cavity 10B through a bracket between the two cavities, a blade 12a of C is arranged on the B rotating shaft 12 in the B low-pressure cavity 10a, and a blade 12B of D is arranged on the B rotating shaft 12 in the B medium-pressure cavity 10B; the B driving device 20 is fixed below the B low pressure chamber 10a and is connected with the B rotating shaft 12.
The heat exchange process of the high-efficiency super heat pump heat exchange device is that the cycle working medium A (water) returns to the heat exchanger A5 through the heat exchanger A5, the valve A15, the heat exchanger C7 and the compression device A9 in sequence; the circulating working medium B (carbon dioxide) returns to the heat exchanger B6 through the heat exchanger B6, the valve C17, the heat exchanger D8 and the compression device B10 in sequence; the heat sink is heated from the heat sink inlet 1 through the a heat exchanger 5 and the B heat exchanger 6 in sequence, and the heat source is cooled from the heat source inlet 4 through the D heat exchanger 8 and the C heat exchanger 7 in sequence. Wherein, the inlet and outlet temperature of the heat source is 30 ℃/5 ℃, the inlet temperature of the heat sink is 50 ℃:
the heat exchange operation of the specific high-efficiency super heat pump heat exchange device comprises the following steps:
(1) the A channel switch 13 is opened, the B valve 16 is closed, the A driving device 19 is opened, the B driving device 20 is closed, the A circulating medium circulates, the B circulating medium does not circulate, the A circulating medium is heated in the C heat exchanger 7 and becomes steam to enter the A compression device 9, the steam enters the A middle pressure cavity 9B after being compressed by the B blade 11B in the A low pressure cavity 9a, the A circulating medium directly enters the A high pressure cavity 9C through the A channel switch 13 without being compressed by the A blade 11a, the A circulating medium enters the A heat exchanger 5 to heat a heat sink, and the A circulating medium returns to the C heat exchanger 7 through the A valve 15.
(2) The method comprises the following steps that a channel switch 13 is closed, a valve 16B is closed, a driving device 19A is opened, a driving device 20B is closed, a circulation working medium A circulates, the circulation working medium B does not circulate, the circulation working medium A is heated in a heat exchanger 7C to become steam and enters a compression device 9A, the steam is compressed in a low-pressure cavity 9a by a blade 11B and then enters a medium-pressure cavity 9B, the circulation working medium A is compressed by the blade 11a and enters a high-pressure cavity 9C, the circulation working medium A enters a heat exchanger 5A to heat a heat sink, and the heat is returned to the heat exchanger 7C through a valve 15A.
(3) The channel A switch 13 is closed, the B valve 16 is opened, the A driving device 19 is opened, the B driving device 20 is closed, the A circulating working medium circulates, the B circulating working medium does not circulate, the A circulating working medium is heated in the C heat exchanger 7 to become steam and enters the A compression device 9, the steam is compressed by the B blade 11B in the A low-pressure cavity 9a and then enters the A medium-pressure cavity 9B, the A circulating working medium is compressed by the A blade 11a and enters the A high-pressure cavity 9C, the A circulating working medium enters the A heat exchanger 5 to be heated and heat-gathered, part of the A circulating working medium enters the A compression device 9 after passing through the A valve 15, and the rest of the A circulating working medium returns to the C.
(4) The A channel switch 13 is closed, the B valve 16 is opened, the B channel switch 14 is opened, the D valve 18 is closed, the A driving device 19 is opened, the B driving device 20 is opened, the A circulating working medium circulates, the B circulating working medium circulates, the A circulating working medium is heated in the C heat exchanger 7 to become steam, the steam enters the A compression device 9, the steam is compressed in the A low-pressure cavity 9a by the B blade 11B and then enters the A medium-pressure cavity 9B, the A circulating working medium is compressed by the A blade 11a and then enters the A high-pressure cavity 9C, the A circulating working medium enters the A heat exchanger 5 to be heated and converged, part of the A circulating working medium enters the A compression device 9 after passing through the A valve 15, the rest of the A circulating working medium returns to the C heat exchanger 7, the B circulating working medium is heated in the D heat exchanger 8 to become steam, the B compression device 10, the B circulating working medium is compressed by the D, the cycle working medium A is not compressed by the C blade 12a and enters the B high-pressure cavity 10C, the cycle working medium B enters the B heat exchanger 6 to heat and converge, and then returns to the D heat exchanger 8 through the C valve 17.
(5) The A channel switch 13 is closed, the B valve 16 is opened, the B channel switch 14 is closed, the D valve 18 is closed, the A driving device 19 is opened, the B driving device 20 is opened, the A circulating working medium circulates, the B circulating working medium circulates, the A circulating working medium is heated in the C heat exchanger 7 to become steam, the steam enters the A compression device 9, the steam is compressed in the A low-pressure cavity 9a by the B blade 11B and then enters the A medium-pressure cavity 9B, the A circulating working medium is compressed by the A blade 11a and then enters the A high-pressure cavity 9C, the A circulating working medium enters the A heat exchanger 5 to be heated and converged, part of the A circulating working medium enters the A compression device 9 after passing through the A valve 15, the rest of the A circulating working medium returns to the C heat exchanger 7, the B circulating working medium is heated in the D heat exchanger 8 to become steam, the B compression device 10, the B low-pressure cavity 10a, the cycle working medium A is compressed by the blade C12 a and enters the high-pressure cavity B10C, the cycle working medium B enters the heat exchanger B6 to heat and converge, and then returns to the heat exchanger D8 through the valve C17.
(6) The A channel switch 13 is closed, the B valve 16 is opened, the B channel switch 14 is closed, the D valve 18 is opened, the A driving device 19 is opened, the B driving device 20 is opened, the A circulating working medium circulates, the B circulating working medium circulates, the A circulating working medium is heated in the C heat exchanger 7 to become steam, the steam enters the A compression device 9, the steam is compressed in the A low-pressure cavity 9a by the B blade 11B and then enters the A medium-pressure cavity 9B, the A circulating working medium is compressed by the A blade 11a and then enters the A high-pressure cavity 9C, the A circulating working medium enters the A heat exchanger 5 to be heated and converged, part of the A circulating working medium enters the A compression device 9 after passing through the A valve 15, the rest of the A circulating working medium returns to the C heat exchanger 7, the B circulating working medium is heated in the D heat exchanger 8 to become steam, the B compression device 10, the B circulating working medium is compressed by the D blade, the circulating working medium A is compressed by the blade C12 a and enters the high-pressure cavity B10C, the circulating working medium B enters the heat exchanger B6 to be heated and converged, part of the circulating working medium B passes through the valve C17 and enters the compression device B10, and the rest of the circulating working medium B returns to the heat exchanger D8.
Claims (10)
1. The utility model provides a high-efficient super heat pump heat transfer device which characterized in that: the heat exchange device consists of a heat sink inlet (1), a heat sink outlet (2), a heat source outlet (3), a heat source inlet (4), a heat exchanger A (5), a heat exchanger B (6), a heat exchanger C (7), a heat exchanger D (8), a compression device A (9), a compression device B (10), a rotating shaft A (11), a rotating shaft B (12), a channel switch A (13), a channel switch B (14), a valve A (15), a valve B (16), a valve C (17), a valve D (18), a driving device A (19), a driving device B (20), a circulating working medium A and a circulating working medium B; the compression device A (9) comprises a low-pressure cavity A (9a), a medium-pressure cavity A (9b), a high-pressure cavity A (9c), a driving device A (19) and a rotating shaft A (11); the B compression device (10) comprises a B low-pressure cavity (10a), a B medium-pressure cavity (10B), a B high-pressure cavity (10c), a B driving device (20) and a B rotating shaft (12); the A rotating shaft (11) is provided with an A blade (11a) and a B blade (11B), and the B rotating shaft (12) is provided with a C blade (12a) and a D blade (12B);
the cycle working medium A returns to the heat exchanger A (5) through the heat exchanger A (5), the valve A (15), the heat exchanger C (7) and the compression device A (9) in sequence; the circulating working medium B returns to the heat exchanger B (6) through the heat exchanger B (6), the valve C (17), the heat exchanger D (8) and the compression device B (10) in sequence; the heat sink is heated by passing through the heat exchanger A (5) and the heat exchanger B (6) from the heat sink inlet (1) in sequence, and the heat source is cooled by passing through the heat exchanger D (8) and the heat exchanger C (7) from the heat source inlet (4) in sequence.
2. The efficient super heat pump heat exchange device according to claim 1, wherein the main pipeline of the A heat exchanger (5) and the main pipeline of the B heat exchanger (6) are connected in series; the main pipeline of the heat exchanger C (7) is connected with the main pipeline of the heat exchanger D (8) in series; one end of a heat exchange tube of the heat exchanger A (5) is respectively connected with one end of a heat exchange tube of the heat exchanger C (7) and the valve B (16) through the valve A (15), and the valve B (16) is connected with the compression device A (9); the other end of the heat exchange tube of the heat exchanger A (5) is connected with the high-pressure cavity A (9 c); one end of the heat exchange tube of the heat exchanger C (7) is connected with the low-pressure cavity A (9 a).
3. The high-efficiency super heat pump heat exchange device according to claim 1, wherein one end of the heat exchange tube of the heat exchanger B (6) is respectively connected with one end of the heat exchange tube of the heat exchanger D (8) and the valve D (18) through a valve C (17), and the valve D (18) is connected with the compression device B (10); the other end of the heat exchange tube of the heat exchanger B (6) is connected with a high-pressure cavity B (10 c); the other end of the heat exchange tube of the heat exchanger (8) is connected with the low-pressure cavity (10a) of the heat exchanger B.
4. The efficient super heat pump heat exchange device according to claim 1, wherein the A compression device (9) comprises an A low pressure cavity (9a), an A middle pressure cavity (9b), an A high pressure cavity (9c), an A driving device (19), an A channel switch (13) and an A rotating shaft (11); the rotating shaft A (11) is fixed in the low-pressure cavity A (9a) and the medium-pressure cavity A (9b) through a bracket between the two cavities; in the A low-pressure cavity (9a), the A rotating shaft (11) is provided with an A blade (11a), and in the A medium-pressure cavity (9B), the A rotating shaft (11) is provided with a B blade (11B); the A driving device (19) is fixed below the A low-pressure cavity (9a) and is connected with the A rotating shaft (11).
5. The efficient super heat pump heat exchange device according to claim 1, wherein the B compression device (10) comprises a B low pressure cavity (10a), a B middle pressure cavity (10B), a B high pressure cavity (10c), a B driving device (20), a B channel switch (14) and a B rotating shaft (12); the B rotating shaft (12) is fixed in the B low-pressure cavity (10a) and the B medium-pressure cavity (10B) through a bracket between the two cavities, a blade C (12a) is installed on the B rotating shaft (12) in the B low-pressure cavity (10a), and a blade D (12B) is installed on the B rotating shaft (12) in the B medium-pressure cavity (10B); the B driving device (20) is fixed below the B low-pressure cavity (10a) and is connected with the B rotating shaft (12).
6. The efficient super heat pump heat exchange device according to claim 1, wherein: the heat source and the heat sink are heated by two or more heat exchangers in series.
7. The efficient super heat pump heat exchange device according to claim 1, wherein: the vanes arranged on the rotating shaft adopt vortex type, centrifugal type, piston type or screw type vanes.
8. The efficient super heat pump heat exchange device according to claim 1, wherein: the heat exchanger adopts a shell-and-tube type, plate type or heat pipe type heat exchange mode.
9. The efficient super heat pump heat exchange device according to claim 1, wherein: the cycle working medium A is water; the B cycle working medium is carbon dioxide.
10. The heat exchange method of the high-efficiency super heat pump heat exchange device of claim 1, wherein the heat exchange operation of the heat exchange device comprises the following steps:
(1) the method comprises the following steps that a channel A switch (13) is opened, a valve B (16) is closed, a driving device A (19) is opened, a driving device B (20) is closed, a circulating working medium A circulates, a circulating working medium B does not circulate, the circulating working medium A is heated in a heat exchanger C (7) and is changed into steam to enter a compression device A (9), the steam enters a middle pressure cavity A (9B) after being compressed by a blade B (11B) in a low pressure cavity A (9a), the circulating working medium A directly enters a high pressure cavity A (9C) through a channel A switch (13) without being compressed by the blade A (11a), the circulating working medium A enters a heat exchanger A (5) to heat a heat sink, and the circulating working medium A returns to the heat exchanger C (7) through the valve A (15);
(2) the method comprises the following steps that a channel switch (13) is closed, a valve (16) is closed, a driving device (19) is opened, a driving device (20) is closed, a circulating working medium A circulates, a circulating working medium B does not circulate, the circulating working medium A is heated in a heat exchanger (7) and is changed into steam to enter a compression device (9) A, the steam is compressed by a blade (11B) in a low-pressure cavity (9a) and then enters a medium-pressure cavity (9B), the circulating working medium A is compressed by the blade (11a) and enters a high-pressure cavity (9C), the circulating working medium A enters a heat exchanger (5) to heat a heat sink, and then returns to the heat exchanger (7) through the valve (15);
(3) a channel A switch (13) is closed, a B valve (16) is opened, an A driving device (19) is opened, a B driving device (20) is closed, an A circulating working medium circulates, a B circulating working medium does not circulate, the A circulating working medium is heated in a C heat exchanger (7) and is changed into steam to enter an A compression device (9), the steam is compressed by a B blade (11B) in an A low-pressure cavity (9a) and then enters an A medium-pressure cavity (9B), the A circulating working medium is compressed by the A blade (11a) and enters an A high-pressure cavity (9C), the A circulating working medium enters an A heat exchanger (5) to be heated and heat-converged, a part of the A circulating working medium enters the A compression device (9) after passing through the A valve (15), and the rest of the A circulating working medium returns to the C heat;
(4) a channel switch (13) is closed, a valve B (16) is opened, a channel switch B (14) is opened, a valve D (18) is closed, an A driving device (19) is opened, a B driving device (20) is opened, an A circulating working medium circulates, a B circulating working medium circulates, the A circulating working medium is heated in a heat exchanger C (7) and becomes steam to enter a compression device A (9), the steam enters a middle pressure cavity A (9B) after being compressed by a blade B (11B) in a low pressure cavity A (9a), the A circulating working medium is compressed by the blade A (11a) and enters a high pressure cavity A (9C), the A circulating working medium enters a heat exchanger A (5) to heat a heat sink, part of the A circulating working medium enters the compression device A (9) after passing through the valve A (15), the rest of the A circulating working medium returns to the heat exchanger C (7), the B circulating working medium is heated in a heat exchanger D (8) and becomes steam to enter the compression device, the refrigerant B is compressed by a D blade (12B) in a low-pressure cavity (10a) of the refrigerant B and then enters a middle-pressure cavity (10B) of the refrigerant B, the circulating working medium A is not compressed by a blade C (12a) and then enters a high-pressure cavity B (10C), the circulating working medium B enters a heat exchanger B (6) for heating and heat exchange, and then returns to a heat exchanger D (8) through a valve C (17);
(5) a channel switch (13) is closed, a B valve (16) is opened, a B channel switch (14) is closed, a D valve (18) is closed, an A driving device (19) is opened, a B driving device (20) is opened, A circulating working medium circulates, B circulating working medium circulates, A circulating working medium is heated in a C heat exchanger (7) and becomes steam to enter an A compression device (9), the steam enters an A middle pressure cavity (9B) after being compressed by a B blade (11B) in an A low pressure cavity (9a), A circulating working medium is compressed by the A blade (11a) and enters an A high pressure cavity (9C), A circulating working medium enters an A heat exchanger (5) to heat a heat sink, part of A circulating working medium enters the A compression device (9) after passing through the A valve (15), the rest of A circulating working medium returns to the C heat exchanger (7), B circulating working medium is heated in a D heat exchanger (8) and becomes steam to enter a B compression device (10), the refrigerant A is compressed by a D blade (12B) in a low-pressure cavity (10a) of the refrigerant B and then enters a middle-pressure cavity (10B) of the refrigerant B, the circulating refrigerant A is compressed by a C blade (12a) and then enters a high-pressure cavity (10C) of the refrigerant B, the circulating refrigerant B enters a heat exchanger (6) of the refrigerant B for heating and heat exchange, and then returns to a heat exchanger (8) of the refrigerant D through a valve (17) of the refrigerant C; (6) a channel switch (13) is closed, a B valve (16) is opened, a B channel switch (14) is closed, a D valve (18) is opened, an A driving device (19) is opened, a B driving device (20) is opened, A circulating working medium circulates, B circulating working medium circulates, A circulating working medium is heated in a C heat exchanger (7) and becomes steam to enter an A compression device (9), the steam enters an A middle pressure cavity (9B) after being compressed by a B blade (11B) in an A low pressure cavity (9a), A circulating working medium is compressed by the A blade (11a) and enters an A high pressure cavity (9C), A circulating working medium enters an A heat exchanger (5) to heat a heat sink, part of A circulating working medium enters the A compression device (9) after passing through the A valve (15), the rest of A circulating working medium returns to the C heat exchanger (7), B circulating working medium is heated in a D heat exchanger (8) and becomes steam to enter a B compression device (10), the refrigerant B is compressed by a D blade (12B) in a low-pressure cavity (10a) of the refrigerant B and then enters a middle-pressure cavity (10B), a circulating working medium A is compressed by a C blade (12a) and then enters a high-pressure cavity (10C) of the refrigerant B, the circulating working medium B enters a heat exchanger (6) of the refrigerant B for heating and heat-gathering, part of the circulating working medium B enters a compression device (10) of the refrigerant B through a valve (17) of the valve C, and the rest of the circulating working medium B returns to a heat exchanger (8.
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