CN105674623A - Cascade air source heat pump system suitable for ultralow-temperature environment - Google Patents
Cascade air source heat pump system suitable for ultralow-temperature environment Download PDFInfo
- Publication number
- CN105674623A CN105674623A CN201610144329.4A CN201610144329A CN105674623A CN 105674623 A CN105674623 A CN 105674623A CN 201610144329 A CN201610144329 A CN 201610144329A CN 105674623 A CN105674623 A CN 105674623A
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- CN
- China
- Prior art keywords
- temperature
- cryogenic system
- temperature systems
- vaporizer
- condenser
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- F25B30/06—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
- 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
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
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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
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
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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
- F25B7/00—Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
Abstract
A cascade air source heat pump system suitable for an ultralow-temperature environment relates to an air source heat pump system. The invention aims to solve the technical problems that the compression ratio is too high when hot water is prepared by an air source heat pump at an extremely low temperature and the use of the air source heat pump is limited in cold areas. A low-temperature system evaporator is connected with a low-temperature system compressor through a low-temperature system gas-liquid separator; the low-temperature system compressor is connected with an evaporative condenser; the evaporative condenser is connected with a low-temperature system liquid storage tank; the low-temperature system liquid storage tank is connected with the low-temperature system evaporator through a low-temperature system throttle valve; a high-temperature system gas-liquid separator is connected with the evaporative condenser and a high-temperature system compressor; the high-temperature system compressor is connected with a high-temperature system water condenser; the high-temperature system water condenser is connected with a high-temperature system liquid storage tank; and the high-temperature system liquid storage tank is connected with the evaporative condenser through a high-temperature system throttle valve. The cascade air source heat pump system is suitable for the ultralow-temperature environment.
Description
Technical field
The present invention relates to a kind of air source heat pump system, it is specifically related to a kind of overlapping air source heat pump system being applicable under ultra-low temperature surroundings, belongs to ultra-low temperature surroundings air source for warm hot water technique field processed.
Background technology
The hot pump performance of air source sharply declines along with the reduction of vaporization temperature, at very low temperature, such as the winter of northern China, compression ratio too high problem is there will be when using air source heat pump to prepare hot water, vaporizer there will be frosting phenomenon simultaneously, the serious performance affecting unit, this also limit the use of winter air source heat pump in cold district simultaneously.
Summary of the invention
Give the concise and to the point general introduction about the present invention hereinafter, so as to provide about the present invention some in basic understanding. It is to be understood that this general introduction is not that the exhaustive about the present invention is summarized. It is not key or the integral part that intention determines the present invention, and nor is it intended to limit the scope of the present invention. Its object is only provide some concept in simplified form, in this, as the preorder in greater detail discussed after a while.
Given this, according to an aspect of the present invention, the present invention is intended to propose a kind of overlapping air source heat pump system being applicable under ultra-low temperature surroundings, can effectively solve at very low temperature, compression ratio too high problem is there will be when using air source heat pump to prepare hot water, and frosting phenomenon occurs in vaporizer, seriously affect the performance of unit, air source heat pump is in the restricted problem of the use of cold district.
A kind of overlapping air source heat pump system being applicable under ultra-low temperature surroundings that the present invention proposes, comprise heat exchange blower fan, cryogenic system vaporizer, cryogenic system gas-liquid separator, cryogenic system compressor, vaporizer-condenser, cryogenic system throttling valve, high-temperature systems gas-liquid separator, high-temperature systems compressor, high-temperature systems water condenser, high-temperature systems receiver and high-temperature systems throttling valve
Described heat exchange blower fan is arranged on outside cryogenic system vaporizer, one end of cryogenic system vaporizer is connected with one end of cryogenic system compressor by cryogenic system gas-liquid separator, the other end of cryogenic system compressor is connected with vaporizer-condenser, vaporizer-condenser is connected with one end of cryogenic system receiver, and the other end of cryogenic system receiver is connected with the other end of cryogenic system vaporizer by cryogenic system throttling valve;One end of high-temperature systems gas-liquid separator connects vaporizer-condenser, the other end of high-temperature systems gas-liquid separator connects high-temperature systems compressor, the high-temperature systems compressor the other end connects high-temperature systems water condenser, the other end of high-temperature systems water condenser connects high-temperature systems receiver, high-temperature systems receiver connects vaporizer-condenser by high-temperature systems throttling valve, and hot water outlet end and the cooling water inlet end of high-temperature systems water condenser are connected with attemperater.
Further: described cryogenic system vaporizer is evaporator fin.
Further: between described cryogenic system receiver and cryogenic system throttling valve, cryogenic system strainer is installed.
Further: between described high-temperature systems receiver and high-temperature systems throttling valve, high-temperature systems strainer is installed.
Further: the cooling water inlet end of described high-temperature systems water condenser is provided with water circulating pump.
The effect that the present invention reaches is:
The present invention is applicable to the overlapping air source heat pump system of ultra-low temperature surroundings, its vaporizer-condenser is cryogenic system condenser and high-temperature systems vaporizer, in cryogenic system, refrigeration agent absorbs heat in cryogenic system vaporizer, and become the gas of equality of temperature with pressure by cryogenic system gas-liquid separator by the gas-liquid mixed state of low-temp low-pressure, gaseous refrigerant enters after being compressed into the gas of High Temperature High Pressure in cryogenic system compressor can as releases heat in the vaporizer-condenser of cryogenic system condenser, meanwhile heat from bringing in high-temperature systems water condenser via high-temperature systems gas-liquid separator and high-temperature systems compressor respectively as the vaporizer-condenser of high-temperature systems vaporizer and is transferred heat to water by the refrigeration agent in high-temperature systems in the way of heat exchange, thus obtain temperature required high temperature hot water, having can in the feature of Effec-tive Function under ultra-low temperature surroundings. the present invention is cascade system in low temperature environment, not in low temperature environment, runs with simple system, more energy-conservation. the different refrigeration agent that in the present invention, cryogenic system and high-temperature systems can be used. the present invention also has automatic defrosting function.
Accompanying drawing explanation
Fig. 1 is a kind of overlapping air source heat pump system schematic diagram being applicable to ultra-low temperature surroundings.
In figure: 1-cryogenic system vaporizer; 2-cryogenic system gas-liquid separator; 3-cryogenic system compressor; 4-vaporizer-condenser; 5-high-temperature systems gas-liquid separator; 6-high-temperature systems compressor; 7-high-temperature systems water condenser; 8-high-temperature systems receiver; 9-cryogenic system throttling valve; 10-high-temperature systems throttling valve; 11-heat exchange blower fan; 12-cryogenic system receiver; 13-attemperater; 14-cryogenic system strainer; 15-high-temperature systems strainer; 16-water circulating pump.
Embodiment
By reference to the accompanying drawings the one exemplary embodiment of the present invention will be described hereinafter. For clarity and conciseness, all features of actual enforcement mode are not described in the description. But, should understand, the process of any this kind of practical embodiments of exploitation must be made a lot specific to the decision of the mode of enforcement, to realize the objectives of developer, such as, meet those restricted conditions relevant to system and business, and these restricted conditions may change to some extent along with the difference of the mode of enforcement. In addition, it should be understood that although development is likely very complicated and time-consuming, but concerning the those skilled in the art having benefited from the disclosure of invention, this kind of development is only routine task.
At this, also it should be noted is that, in order to avoid fuzzy the present invention because of unnecessary details, illustrate only in the accompanying drawings and the apparatus structure closely related according to the solution of the present invention and/or treatment step, and eliminate other details little with relation of the present invention.
The overlapping air source heat pump system that present embodiment a kind of is applicable under ultra-low temperature surroundings, known see Fig. 1, it comprises heat exchange blower fan 11, cryogenic system vaporizer 1, cryogenic system gas-liquid separator 2, cryogenic system compressor 3, vaporizer-condenser 4, cryogenic system throttling valve 9, high-temperature systems gas-liquid separator 5, high-temperature systems compressor 6, high-temperature systems water condenser 7, high-temperature systems receiver 8 and high-temperature systems throttling valve 10
Described heat exchange blower fan 11 is arranged on outside cryogenic system vaporizer 1, one end of cryogenic system vaporizer 1 is connected with one end of cryogenic system compressor 3 by cryogenic system gas-liquid separator 2, the other end of cryogenic system compressor 3 is connected with vaporizer-condenser 4, vaporizer-condenser 4 is connected with one end of cryogenic system receiver 12, and the other end of cryogenic system receiver 12 is connected with the other end of cryogenic system vaporizer 1 by cryogenic system throttling valve 9; One end of high-temperature systems gas-liquid separator 5 connects vaporizer-condenser 4, the other end of high-temperature systems gas-liquid separator 5 connects high-temperature systems compressor 6, high-temperature systems compressor 6 the other end connects high-temperature systems water condenser 7, the other end of high-temperature systems water condenser 7 connects high-temperature systems receiver 8, high-temperature systems receiver 8 connects vaporizer-condenser 4 by high-temperature systems throttling valve 10, and hot water outlet end and the cooling water inlet end of high-temperature systems water condenser 7 are connected with attemperater 13.
More specifically: described cryogenic system vaporizer 1 is evaporator fin.
More specifically: between described cryogenic system receiver 12 and cryogenic system throttling valve 9, cryogenic system strainer 14 is installed.
More specifically: between described high-temperature systems receiver 8 and high-temperature systems throttling valve 10, high-temperature systems strainer 15 is installed.
More specifically: the cooling water inlet end of described high-temperature systems water condenser 7 is provided with water circulating pump 16.
Although disclosed enforcement mode is as above, but the enforcement mode that its content is the technical scheme for the ease of understanding the present invention and adopts, it is not intended to limit the present invention. Technician in any the technical field of the invention; under the prerequisite not departing from disclosed core technology scheme; any amendment and change can be made in the form implemented and details; but the protection domain that the present invention limits, still must be as the criterion with the scope that appending claims limits.
Claims (4)
1. the overlapping air source heat pump system being applicable under ultra-low temperature surroundings, it is characterised in that: comprise heat exchange blower fan (11), cryogenic system vaporizer (1), cryogenic system gas-liquid separator (2), cryogenic system compressor (3), vaporizer-condenser (4), cryogenic system throttling valve (9), high-temperature systems gas-liquid separator (5), high-temperature systems compressor (6), high-temperature systems water condenser (7), high-temperature systems receiver (8) and high-temperature systems throttling valve (10);
Described heat exchange blower fan (11) is arranged on cryogenic system vaporizer (1) outside, one end of cryogenic system vaporizer (1) is connected with one end of cryogenic system compressor (3) by cryogenic system gas-liquid separator (2), the other end of cryogenic system compressor (3) is connected with vaporizer-condenser (4), vaporizer-condenser (4) is connected with one end of cryogenic system receiver (12), and the other end of cryogenic system receiver (12) is connected with the other end of cryogenic system vaporizer (1) by cryogenic system throttling valve (9), one end of high-temperature systems gas-liquid separator (5) connects vaporizer-condenser (4), the other end of high-temperature systems gas-liquid separator (5) connects high-temperature systems compressor (6), high-temperature systems compressor (6) the other end connects high-temperature systems water condenser (7), the other end of high-temperature systems water condenser (7) connects high-temperature systems receiver (8), high-temperature systems receiver (8) connects vaporizer-condenser (4) by high-temperature systems throttling valve (10), the hot water outlet end of high-temperature systems water condenser (7) and cooling water inlet end are connected with attemperater (13).
2. a kind of overlapping air source heat pump system being applicable under ultra-low temperature surroundings according to claim 1, described cryogenic system vaporizer (1) is evaporator fin.
3. a kind of overlapping air source heat pump system being applicable under ultra-low temperature surroundings according to claim 2, is provided with cryogenic system strainer (14) between described cryogenic system receiver (12) and cryogenic system throttling valve (9).
4. a kind of overlapping air source heat pump system being applicable under ultra-low temperature surroundings according to claim 3, is provided with high-temperature systems strainer (15) between described high-temperature systems receiver (8) and high-temperature systems throttling valve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610144329.4A CN105674623A (en) | 2016-03-14 | 2016-03-14 | Cascade air source heat pump system suitable for ultralow-temperature environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610144329.4A CN105674623A (en) | 2016-03-14 | 2016-03-14 | Cascade air source heat pump system suitable for ultralow-temperature environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105674623A true CN105674623A (en) | 2016-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610144329.4A Pending CN105674623A (en) | 2016-03-14 | 2016-03-14 | Cascade air source heat pump system suitable for ultralow-temperature environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105674623A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109520166A (en) * | 2018-12-19 | 2019-03-26 | 春意环境科技有限公司 | A kind of temperature air-source heat pump suitable for ultra-low temperature surroundings |
| CN112815427A (en) * | 2021-02-04 | 2021-05-18 | 钟学能 | Energy-efficient air source heat pump system |
Citations (6)
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| JP2004286289A (en) * | 2003-03-20 | 2004-10-14 | Sanyo Electric Co Ltd | Refrigerant cycle device |
| JP2012067962A (en) * | 2010-09-23 | 2012-04-05 | Toshiba Carrier Corp | Binary refrigerating cycle device |
| CN202284871U (en) * | 2011-10-10 | 2012-06-27 | 莫少民 | Air source heat balance type dual effect heat pump device |
| CN104713261A (en) * | 2015-03-18 | 2015-06-17 | 沈阳一冷新能源技术有限公司 | Cascade ground source heat pump and use method thereof |
| CN204535173U (en) * | 2015-02-12 | 2015-08-05 | 广东芬尼克兹节能设备有限公司 | For cooling the source pump of sterilization |
| CN105180257A (en) * | 2015-10-16 | 2015-12-23 | 佛山市顺德区菲达斯投资管理有限公司 | Cascade type air source heat supply heat pump system suitable for ultralow temperature environment |
-
2016
- 2016-03-14 CN CN201610144329.4A patent/CN105674623A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004286289A (en) * | 2003-03-20 | 2004-10-14 | Sanyo Electric Co Ltd | Refrigerant cycle device |
| JP2012067962A (en) * | 2010-09-23 | 2012-04-05 | Toshiba Carrier Corp | Binary refrigerating cycle device |
| CN202284871U (en) * | 2011-10-10 | 2012-06-27 | 莫少民 | Air source heat balance type dual effect heat pump device |
| CN204535173U (en) * | 2015-02-12 | 2015-08-05 | 广东芬尼克兹节能设备有限公司 | For cooling the source pump of sterilization |
| CN104713261A (en) * | 2015-03-18 | 2015-06-17 | 沈阳一冷新能源技术有限公司 | Cascade ground source heat pump and use method thereof |
| CN105180257A (en) * | 2015-10-16 | 2015-12-23 | 佛山市顺德区菲达斯投资管理有限公司 | Cascade type air source heat supply heat pump system suitable for ultralow temperature environment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109520166A (en) * | 2018-12-19 | 2019-03-26 | 春意环境科技有限公司 | A kind of temperature air-source heat pump suitable for ultra-low temperature surroundings |
| CN112815427A (en) * | 2021-02-04 | 2021-05-18 | 钟学能 | Energy-efficient air source heat pump system |
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Application publication date: 20160615 |
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