CN101900458B - Gas-liquid intermediate-low temperature double-heat source cascade high-temperature heat pump - Google Patents
Gas-liquid intermediate-low temperature double-heat source cascade high-temperature heat pump Download PDFInfo
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- CN101900458B CN101900458B CN 201010170431 CN201010170431A CN101900458B CN 101900458 B CN101900458 B CN 101900458B CN 201010170431 CN201010170431 CN 201010170431 CN 201010170431 A CN201010170431 A CN 201010170431A CN 101900458 B CN101900458 B CN 101900458B
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- 239000007788 liquid Substances 0.000 title claims abstract description 27
- 239000012530 fluid Substances 0.000 claims abstract description 18
- 230000008676 import Effects 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 230000005494 condensation Effects 0.000 abstract description 7
- 238000009833 condensation Methods 0.000 abstract description 7
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 238000009776 industrial production Methods 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 239000002918 waste heat Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
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Abstract
The invention relates to a gas-liquid intermediate-low temperature double-heat source cascade high-temperature heat pump, which is formed by the cascade of a high-temperature heat pump circulating system and a low-temperature heat pump circulating system, wherein the low-temperature heat pump circulating system comprises a low-temperature compressor (1), a liquid heat source type evaporator (2), a heat source type condensation evaporator (5), a low-temperature throttling valve (4) and a connecting pipeline, and the heat pump working fluid is a low-temperature working fluid; the high-temperature heat pump circulating system comprises a high-temperature compressor (1'), the heat source type condensation evaporator (5), a high-temperature condenser (3), a high-temperature throttling valve (4') and a connecting pipeline, and the heat pump working fluid is a high-temperature working fluid; and the heat source type condensation evaporator (5) is provided with a low-temperature heat pump working fluid channel, a high-temperature heat pump working fluid channel and a gas intermediate-temperature heat source channel. The system device of the invention can efficiently provide hot water above 75 DEG C, can be widely used for heating systems of civil buildings, public buildings and villa buildings, and can meet the requirements for high-temperature hot water in the industrial production.
Description
Technical field
The present invention relates to the heat pump air conditioner technical field, relate in particular to Low Temperature Double heat source cascade high-temperature heat pump in a kind of solution-air that hot water more than 75 ℃ is provided.
Background technology
Along with the continuous propelling of national energy-saving and emission-reduction work, the medium small boiler in the city is eliminated gradually, and pressing for the medium small boiler that new high-efficient energy-saving environment friendly device replaces being eliminated at present is that heating provides the high-temperature-hot-water more than 75 ℃ with producing.Traditional heat pump can only provide water temperature not to be higher than 55 ℃ hot water; Can not satisfy heating and production demand; And the single-stage of studying at present circulation and superposition type cyclic high-temperature heat pump all can only adopt single low temperature or single in warm source; Can't realize compound utilization, and the worst hot case operational efficiency is lower, is difficult to apply two or more thermals source.
Summary of the invention
The object of the invention provide to existing weak point in the above-mentioned prior art just a kind of can to air, solar energy, regenerative resource such as ability and various waste heat, used heat carry out comprehensive and utilization rationally, can produce Low Temperature Double heat source cascade high-temperature heat pump in a kind of gas one liquid of hot water more than 75 ℃.
The object of the invention can be realized through following technique measures:
The Low Temperature Double heat source cascade high-temperature heat pump is to be formed by two heat pump circulating system overlappings of high and low temperature in a kind of gas one liquid of the present invention:
A, the circulation of said low temperature comprise cryogenic compressor, liquid heat source type evaporimeter, heat source type condenser/evaporator, cryogenic throttle valve and connecting line; Said heat source type condenser/evaporator has warm source channels in a hot pump in low temp working medium passage, high temperature heat pump working medium passage and the gaseous state; Wherein the import of cryogenic compressor connects the outlet of the hot pump in low temp working medium passage of liquid heat source type evaporimeter, and the outlet of cryogenic compressor connects the import of the hot pump in low temp working medium passage of heat source type condenser/evaporator; The hot pump in low temp working medium channel outlet of heat source type condenser/evaporator is connected through the import of cryogenic throttle valve with the hot pump in low temp working medium passage of liquid heat source type evaporimeter, and its heat pump fluid is hot pump in low temp working medium (for the used working medium of conventional heat pump air conditioner); Being connected with the import and export pipeline in warm source in the gaseous state respectively of warm source channels in the gaseous state of heat source type condenser/evaporator, constitute independently loop into and out of interface; Being connected with the import and export pipeline of liquid low-temperature heat source respectively of the thermal source passage of said liquid heat source type evaporimeter, constitute independently loop into and out of interface;
B, said high temperature circulation comprise high temperature compressed machine, heat source type condenser/evaporator, high temperature condenser, high temperature choke valve and connecting line; Wherein the import of high temperature compressed machine connects the outlet of the high temperature heat pump working medium passage of heat source type condenser/evaporator, and the outlet of high temperature compressed machine connects the import of high temperature condenser heat pump fluid passage; The import of the high temperature heat pump working medium passage of heat source type condenser/evaporator is connected through the outlet of high temperature choke valve with high temperature condenser heat pump fluid passage; Its heat pump fluid is high temperature heat pump working medium (for condensation temperature >=75 in the higher high temperature heat pump working medium of condensation temperature, its nominal situation scope ℃).
The employed thermal source of said heat source type condenser/evaporator can be air and various gaseous state waste heat, the used heat of temperature >=30 ℃.
The condenser/evaporator of heat source type described in the present invention is Chinese patent 200720091299.1 disclosed fin one sleeve type three mediums composite heat exchangers.
Beneficial effect of the present invention is following:
Device of the present invention can provide the hot water more than 75 ℃, can be widely used in the heating system of civil buildings, public building, villa buildings, and can satisfy industrial high-temperature-hot-water demand.
Description of drawings
Fig. 1 is the structure principle chart of Low Temperature Double heat source cascade high-temperature heat pump in a kind of solution-air of the present invention.
Sequence number among the figure: 1 cryogenic compressor, 1 ' the high temperature compressed machine, 2 liquid heat source type heat exchangers, 3 high temperature condensers, 4 cryogenic throttle valves, 4 ' high temperature choke valve, 5 heat source type condenser/evaporators.
The specific embodiment
To combine embodiment (accompanying drawing) to further describe below the present invention, but not limit the present invention.
As shown in Figure 1, the Low Temperature Double heat source cascade high-temperature heat pump is formed by two heat pump circulating system overlappings of high and low temperature in a kind of solution-air of present embodiment: said low temperature circulation comprises cryogenic compressor 1, liquid heat source type evaporimeter 2, heat source type condenser/evaporator 5, cryogenic throttle valve 4 and connecting line; Said heat source type condenser/evaporator 5 has warm source channels in a hot pump in low temp working medium passage, high temperature heat pump working medium passage and the gaseous state; Wherein the import of cryogenic compressor 1 connects the outlet of the hot pump in low temp working medium passage of liquid heat source type evaporimeter 2, and the outlet of cryogenic compressor 1 connects the import of the hot pump in low temp working medium passage of heat source type condenser/evaporator 5; The hot pump in low temp working medium channel outlet of heat source type condenser/evaporator 5 is connected through the import of cryogenic throttle valve 4 with the hot pump in low temp working medium passage of liquid heat source type evaporimeter 2, and its heat pump fluid is hot pump in low temp working medium (for the used working medium of conventional heat pump air conditioner); Being connected with the import and export pipeline in warm source in the gaseous state respectively of warm source channels in heat source type condenser/evaporator 5 gaseous states, constitute independently loop into and out of interface; Being connected with the import and export pipeline of liquid low-temperature heat source respectively of the thermal source passage of said liquid heat source type evaporimeter 2, constitute independently loop into and out of interface; Said high temperature circulation comprises high temperature compressed machine 1 ', heat source type condenser/evaporator 5, high temperature condenser 3, high temperature choke valve 4 ' and connecting line; Wherein the import of high temperature compressed machine 1 ' connects the outlet of the high temperature heat pump working medium passage of heat source type condenser/evaporator 5, and the outlet of high temperature compressed machine 1 ' connects the import of high temperature condenser 3 heat pump fluid passages; The import of the high temperature heat pump working medium passage of heat source type condenser/evaporator 5 is connected through the outlet of high temperature choke valve 4 ' with high temperature condenser 3 heat pump fluid passages; Its heat pump fluid is high temperature heat pump working medium (for condensation temperature >=75 in the higher high temperature heat pump working medium of condensation temperature, its nominal situation scope ℃).
The employed thermal source of said heat source type condenser/evaporator can be air and various gaseous state waste heat, the used heat of temperature >=30 ℃.
The condenser/evaporator of heat source type described in the present invention is Chinese patent 200720091299.1 disclosed fin one sleeve type three mediums composite heat exchangers.
Workflow of the present invention is following:
(1) single liquid low-temperature heat source pattern
Hot pump in low temp working medium through to heat source type condenser/evaporator 5 release heat, gets into liquid heat source type evaporimeter 2 through cryogenic throttle valve 4 by cryogenic compressor 1 compression, gets into cryogenic compressor behind the absorption liquid heat source heat and gets into next circulation; High temperature heat pump working medium is by the 1 ' compression of high temperature compressed machine, and through to high temperature condenser 3 release heat, through high temperature choke valve 4 ', heat source type condenser/evaporator 5 absorbs that hot pump in low temp working medium heat is laggard goes into high temperature compressed next circulation of machine entering.
(2) warm source module in the single gaseous state
Close cryogenic compressor 1, high temperature heat pump working medium is by high temperature compressed machine 1 ' compression, and through to high temperature condenser 3 release heat, through high temperature choke valve 4 ', heat source type condenser/evaporator 5 absorbs next circulation of the high temperature compressed machine entering of entering behind the heat of warm source in the gaseous state.
(3) Low Temperature Double heat source models in the solution-air
Hot pump in low temp working medium through to heat source type condenser/evaporator 5 release heat, gets into liquid heat source type evaporimeter 2 through cryogenic throttle valve 4 by cryogenic compressor 1 compression, gets into cryogenic compressor behind the absorption liquid heat source heat and gets into next circulation; High temperature heat pump working medium is by high temperature compressed machine 1 ' compression, and through to high temperature condenser 3 release heat, through high temperature choke valve 4 ', heat source type condenser/evaporator 5 absorbs next circulation of the high temperature compressed machine entering of entering behind the heat of warm source in hot pump in low temp working medium and the gaseous state.
Claims (1)
1. Low Temperature Double heat source cascade high-temperature heat pump in the solution-air, it is characterized in that: this device is formed by two heat pump circulating system overlappings of high and low temperature:
A, the circulation of said low temperature comprise cryogenic compressor (1), liquid heat source type evaporimeter (2), heat source type condenser/evaporator (5), cryogenic throttle valve (4) and connecting line; Said heat source type condenser/evaporator (5) has warm source channels in a hot pump in low temp working medium passage, high temperature heat pump working medium passage and the gaseous state; Wherein the import of cryogenic compressor (1) connects the outlet of the hot pump in low temp working medium passage of liquid heat source type evaporimeter (2), and the outlet of cryogenic compressor (1) connects the import of the hot pump in low temp working medium passage of heat source type condenser/evaporator (5); The hot pump in low temp working medium channel outlet of heat source type condenser/evaporator (5) is connected through the import of cryogenic throttle valve (4) with the hot pump in low temp working medium passage of liquid heat source type evaporimeter (2), and its heat pump fluid is a hot pump in low temp working medium; Being connected with the import and export pipeline in warm source in the gaseous state respectively of warm source channels in the gaseous state of heat source type condenser/evaporator (5), constitute independently loop into and out of interface; Being connected with the import and export pipeline of liquid low-temperature heat source respectively of the thermal source passage of said liquid heat source type evaporimeter (2), constitute independently loop into and out of interface;
B, said high temperature circulation comprise high temperature compressed machine (1 '), heat source type condenser/evaporator (5), high temperature condenser (3), high temperature choke valve (4 ') and connecting line; The import of wherein high temperature compressed machine (1 ') connects the outlet of the high temperature heat pump working medium passage of heat source type condenser/evaporator (5), and the outlet of high temperature compressed machine (1 ') connects the import of high temperature condenser (3) heat pump fluid passage; The import of the high temperature heat pump working medium passage of heat source type condenser/evaporator (5) is connected through the outlet of high temperature choke valve (4 ') with high temperature condenser (3) heat pump fluid passage; Its heat pump fluid is a high temperature heat pump working medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010170431 CN101900458B (en) | 2010-05-13 | 2010-05-13 | Gas-liquid intermediate-low temperature double-heat source cascade high-temperature heat pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010170431 CN101900458B (en) | 2010-05-13 | 2010-05-13 | Gas-liquid intermediate-low temperature double-heat source cascade high-temperature heat pump |
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| CN101900458A CN101900458A (en) | 2010-12-01 |
| CN101900458B true CN101900458B (en) | 2012-02-22 |
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| CN 201010170431 Expired - Fee Related CN101900458B (en) | 2010-05-13 | 2010-05-13 | Gas-liquid intermediate-low temperature double-heat source cascade high-temperature heat pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106642467A (en) * | 2016-10-27 | 2017-05-10 | 广东高而美制冷设备有限公司 | Air-conditioner heat pump system of air-conditioner and trans-temperature-zone heating |
| CN107514899B (en) * | 2017-10-11 | 2023-06-20 | 西安中亚科技发展有限公司 | Heat pump drying device |
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- 2010-05-13 CN CN 201010170431 patent/CN101900458B/en not_active Expired - Fee Related
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| Title |
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| JP特开2005-83585A 2005.03.31 |
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Owner name: HE'NAN BEIDI NEW ENERGY REFRIGERATION INDUSTRY CO. Free format text: FORMER NAME: JIYUAN BEIDI UNDERGROUND ENERGY CENTRAL AIR CONDITIONING EQUIPMENT CO., LTD. |
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Address after: 459000 No. 6, high tech industrial cluster, Henan, Jiyuan Patentee after: HENAN BEIDI NEW ENERGY REFRIGERATION INDUSTRY Co.,Ltd. Patentee after: ZHONGYUAN University OF TECHNOLOGY Address before: Jiyuan City, Henan Province, 454652 new road gang head Patentee before: Qiyuan Beidi Geothermal Energy Resources Central Air Conditioning Equipment Co.,Ltd. Patentee before: Zhongyuan University of Technology |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120222 |
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