CN105546878A - CO2 air source heat pump heat exchanger - Google Patents
CO2 air source heat pump heat exchanger Download PDFInfo
- Publication number
- CN105546878A CN105546878A CN201610045630.XA CN201610045630A CN105546878A CN 105546878 A CN105546878 A CN 105546878A CN 201610045630 A CN201610045630 A CN 201610045630A CN 105546878 A CN105546878 A CN 105546878A
- Authority
- CN
- China
- Prior art keywords
- liquid
- coil pipe
- heat exchanger
- tank body
- pipe group
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- 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
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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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/006—Accumulators
-
- 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
Abstract
The invention discloses a CO2 air source heat pump heat exchanger. Compared with a conventional heat exchanger, the heat exchanger adopts a liquid storage tank as a liquid heating container, coil pipes in the tank body are arranged in a top-middle-bottom manner, a manner that heated liquid enters from the bottom of the tank body is combined with temperature sensors arranged in a layered manner and liquid level sensors arranged at the upper layer to trigger automatic control valves to perform cooling on gasiform high-temperature CO2 in the coil pipes from the top down in a layered and sequential manner, and cooled liquid CO2 is discharged from a refrigerant liquid return opening to realize the circulating heat exchange of the top coil pipe, the middle coil pipe and the bottom coil pipe; through adoption of the manner that the liquid enters the tank body from the bottom of the liquid storage tank, the heat exchange temperature of heated liquid at the bottom of the tank body can be ensured to be 40 DEG C or below, so that the problem that the system efficiency is poor caused by high air source heat pump heat exchanger inlet temperature is solved excellently; and through adoption of the heat exchanger, the emission of CO2 to the atmosphere is reduced, energy is saved, the cost of the CO2 air source heat pump heat exchanger can be greatly reduced through batch production, and the CO2 air source heat pump heat exchanger is the best choice for heating in the north.
Description
Technical field
The present invention is a kind of heat exchanger, particularly relates to a kind of CO2 air source heat pump heat exchanger.
Background technology
CO2 air source heat pump is the equipment that an energy conversion efficiency is very high, and power conversion ratio reaches 1:4.9.But when heat exchanger inlet liquid temperature exceeds 40 degree and the temperature difference is less time, whole system efficiency will decline at double and reach 1:1, and when loop CO2 exceeds 40 degree, whole CO2 air source heat pump system efficiency also declines at double and reaches 1:1.Therefore we are by changing heat exchanger structure and heat exchange mode, and the conversion of heat exchanger ratio is reached 1:4, and this greatly improves energy conversion, meets the demand in market.
Summary of the invention
The defect that the present invention is directed to prior art provides a kind of CO2 air source heat pump heat exchanger.
The present invention, for realizing above object, adopts following scheme: a kind of CO2 air source heat pump heat exchanger, comprising:
Fluid reservoir;
Unload liquid mouth by heating liquid inlet with by heating liquid, both are located on fluid reservoir tank body;
Multiple coil pipe supporting stand, it is vertically located in fluid reservoir tank body;
Coil pipe group, it to be located in fluid reservoir tank body and to be fixed by coil pipe supporting stand;
Refrigerant inlet and refrigerant liquid return hole, both to be located on fluid reservoir tank body and by coil pipe pipeline coil pipe two ends respectively;
Described by heating liquid inlet with unloaded liquid mouth by heating liquid and be all located at fluid reservoir tank base side;
Described coil pipe group comprises the first coil pipe group, the second coil pipe group and the 3rd coil pipe group, 3 coil pipe groups are between the upper and lower apart from setting gradually, wherein each coil pipe group by 2-4 series connection and coil pipe setting up and down form, each coil pipe group correspondence is provided with temperature sensor and agitator, and described liquid level sensor is located in fluid reservoir;
Described first coil pipe group input connects refrigerant inlet by the first water influent pipeline, and its output is connected refrigerant liquid return hole by the first liquid back pipe road with the first autocontrol valve; Described second coil pipe group input is connected the first liquid back pipe road by the second water influent pipeline with the second autocontrol valve, and its output is connected refrigerant liquid return hole by the second liquid back pipe road with the 3rd autocontrol valve; Described 3rd coil pipe group input is connected the second liquid back pipe road by the 3rd water influent pipeline with the 4th autocontrol valve, and its output is connected refrigerant liquid return hole by the 3rd liquid back pipe road with the 5th autocontrol valve;
Preferably, describedly unloaded liquid mouth by heating liquid and comprise first and unloaded liquid mouth and second by heating liquid and unloaded liquid mouth by heating liquid.
Preferably, also comprise refrigerant feed liquor case, tank breathing valve and the tank body manhole of being located at fluid reservoir tank body top, electric safety case is provided with bottom it, wherein refrigerant inlet is located at refrigerant feed liquor case, first, second, third and fourth, five autocontrol valves and refrigerant liquid return hole be all located in electric safety case.
Beneficial effect of the present invention: compared with existing usual heat exchanger, this equipment adopts fluid reservoir as liquid heating vessel, coil pipe in tank body adopts upper, middle and lower arrangement, the mode of tank base heating liquid feed liquor, the triggering autocontrol valve of the liquid level sensor that the temperature sensor arranged in conjunction with layering and upper strata are arranged, hierarchical sequence cooling is carried out to the high temperature CO 2 of gaseous state in coil pipe from top to bottom, and after being cooled by refrigerant liquid return hole, liquid CO 2 is discharged, the coil pipe cycle heat exchange of upper, middle and lower;
Adopt fluid reservoir tank base feed liquor mode, ensure tank base by the heat-exchange temperature of heating liquid below 40 degree, the high ineffective systems problem caused of fabulous solution air source heat pump heat exchanger inlet temperature;
Use of the present invention reduces CO2 airborne release, economize energy, and batch production can greatly make CO2 air source heat pump cost reduce, and be north heating optimal selection, effect is better than coal, carbon boiler, and pollution-free, low energy consumption, is desirable heating refrigeration plant.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is partial enlarged drawing I in Fig. 1 of the present invention.
Detailed description of the invention
The embodiment of heat exchanger as shown in figs. 1-2, comprise the fluid reservoir 1 held by heating liquid, this fluid reservoir 1 tank base side arranges one and is unloaded liquid mouth by heating liquid inlet 2 and two by heating liquid, wherein first unloaded liquid mouth 3 by heating liquid and be located at by heating liquid inlet 2 top, second is unloaded liquid mouth 4 by heating liquid and is arranged side by side by heating liquid inlet 2, and original state is unloaded liquid mouth by heating liquid and all closed;
Hold, by heating liquid by tank body 1 bottom sides by heating liquid inlet 2 feed liquor, and successively under submergence, in, on the 3rd coil pipe group 8, second coil pipe group 7 and the first coil pipe group 6 that supported by multiple coil pipe supporting stand 5, liquid level sensor 9 is placed with in fluid reservoir 1, this liquid level sensor 9 monitors liquid level when reaching fluid reservoir 1 total measurement (volume) 80%, trigger external CO2 air source heat pump and the first agitator 10 works, be now located at the first autocontrol valve 400 and open;
Hold, CO2 air source heat pump exports high-temperature gas CO2 and is connected to refrigerant inlet 11 by pipeline, and has refrigerant inlet 11 to enter this heat exchanger;
Hold, refrigerant inlet 11 is located in the refrigerant feed liquor case at fluid reservoir 1 tank body top, it connects the first coil pipe group 6 by the first water influent pipeline 6a and inputs, refrigerant liquid return hole 13 is provided with in electric safety case 12, refrigerant liquid return hole 11 is connected to the first coil pipe output by the first liquid back pipe road 6b and the first autocontrol valve 500, therefore the high-temperature gas CO2 of refrigerant inlet 11 enters the first coil pipe group 6 and exports eventually through refrigerant liquid return hole 13, in this course, first coil pipe group 6 is immersed in by heating liquid, so high temperature CO 2 heat be in the first coil pipe group 6 is liquefied by being absorbed by heating liquid, what final refrigerant liquid return hole 13 was discharged is the CO2 liquid after cooling, the first temperature controller 14 and the first agitator 10 is provided with in the first coil pipe group 6 region,
Hold, first liquid back pipe road 6b goes back and is connected to the second autocontrol valve 600, second water influent pipeline 7a, the second coil pipe group 7, second liquid back pipe road 7b and the 3rd autocontrol valve 700 of connecting successively, final 3rd autocontrol valve 700 accesses refrigerant liquid return hole 13; When the first temperature controller 14 detects that the first coil pipe group regional temperature is more than or equal to 40 degree, trigger the second agitator 15 to work, second autocontrol valve 600 and the 3rd autocontrol valve 700 are opened, first autocontrol valve 500 cuts out, now the first coil pipe group 6 and the second coil pipe group 7 form series relationship, and its operation principle is the same; The second temperature controller 16 and the second agitator 15 is provided with in the second coil pipe group region;
Hold, second liquid back pipe road 7b goes back and is connected to the 4th autocontrol valve 800, the 3rd water influent pipeline 8a, the 3rd coil pipe group 8, the 3rd liquid back pipe road 8b and the 5th autocontrol valve 900 of connecting successively, final 5th autocontrol valve 900 accesses refrigerant liquid return hole 13; When the second temperature controller 16 detects that the second coil pipe group regional temperature is more than or equal to 40 degree, trigger the 3rd agitator 17 to work, 4th autocontrol valve 800 and the 5th autocontrol valve 900 are opened, first autocontrol valve 500 and the 3rd autocontrol valve 700 are closed, now the first coil pipe group 6, second coil pipe group 7 and the 3rd coil pipe group 8 form series relationship, and its operation principle is the same; The 3rd temperature controller 18 and the 3rd agitator 17 is provided with equally in the 3rd coil pipe group region;
Hold, when the first coil pipe group that the first temperature sensor 14 and the second temperature sensor 16 detect and the second coil pipe group region by heating liquid mixing-cup temperature higher than 60 DEG C time, this first is unloaded liquid mouth 3 by heating liquid and is controlled by temperature and open and carry out unloading liquid, now by the normal feed liquor of heating liquid inlet 2;
Hold, when the first coil pipe group that the first temperature sensor 14, second temperature sensor 16 and the 3rd temperature controller 18 detect, the second coil pipe group and the 3rd coil pipe group region by heating liquid mixing-cup temperature higher than 60 DEG C time, this first is unloaded liquid mouth 3 and second by heating liquid and is unloaded liquid mouth 4 by heating liquid and control two row that drives into by temperature and unload liquid, now by the normal feed liquor of heating liquid inlet 2;
Each temperature controller, each agitator, each autocontrol valve and each agitator all access external control terminal (be routine techniques, describe) here in above process;
In said structure, each autocontrol valve is all located in electric safety case, and be convenient to later stage maintenance, tank body top is provided with reinforcement 21;
In said structure, each coil pipe group is by the coil pipe composition of 2-4 series connection;
Also be provided with tank breathing valve 19 and tank body manhole 20 at fluid reservoir 1 top, be convenient to later stage maintenance.
Claims (3)
1. a CO2 air source heat pump heat exchanger, comprising:
Fluid reservoir;
Unload liquid mouth by heating liquid inlet with by heating liquid, both are located on fluid reservoir tank body;
Multiple coil pipe supporting stand, it is vertically located in fluid reservoir tank body;
Coil pipe group, it to be located in fluid reservoir tank body and to be fixed by coil pipe supporting stand;
Refrigerant inlet and refrigerant liquid return hole, both to be located on fluid reservoir tank body and by coil pipe pipeline coil pipe two ends respectively;
It is characterized in that,
Described by heating liquid inlet with unloaded liquid mouth by heating liquid and be all located at fluid reservoir tank base side;
Described coil pipe group comprises the first coil pipe group, the second coil pipe group and the 3rd coil pipe group, 3 coil pipe groups are between the upper and lower apart from setting gradually, wherein each coil pipe group by 2-4 series connection and coil pipe setting up and down form, each coil pipe group correspondence is provided with temperature sensor and agitator, and described liquid level sensor is located in fluid reservoir;
Described first coil pipe group input connects refrigerant inlet by the first water influent pipeline, and its output is connected refrigerant liquid return hole by the first liquid back pipe road with the first autocontrol valve; Described second coil pipe group input is connected the first liquid back pipe road by the second water influent pipeline with the second autocontrol valve, and its output is connected refrigerant liquid return hole by the second liquid back pipe road with the 3rd autocontrol valve; Described 3rd coil pipe group input is connected the second liquid back pipe road by the 3rd water influent pipeline with the 4th autocontrol valve, and its output is connected refrigerant liquid return hole by the 3rd liquid back pipe road with the 5th autocontrol valve.
2. a kind of CO2 air source heat pump heat exchanger according to claim 1, is characterized in that, is describedly unloaded liquid mouth by heating liquid and comprises first and unloaded liquid mouth and second by heating liquid and unloaded liquid mouth by heating liquid.
3. a kind of CO2 air source heat pump heat exchanger according to claim 1, it is characterized in that, also comprise refrigerant feed liquor case, tank breathing valve and the tank body manhole of being located at fluid reservoir tank body top, electric safety case is provided with bottom it, wherein refrigerant inlet is located at refrigerant feed liquor case, first, second, third and fourth, five autocontrol valves and refrigerant liquid return hole be all located in electric safety case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610045630.XA CN105546878A (en) | 2016-01-22 | 2016-01-22 | CO2 air source heat pump heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610045630.XA CN105546878A (en) | 2016-01-22 | 2016-01-22 | CO2 air source heat pump heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105546878A true CN105546878A (en) | 2016-05-04 |
Family
ID=55826255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610045630.XA Pending CN105546878A (en) | 2016-01-22 | 2016-01-22 | CO2 air source heat pump heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105546878A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040103177A (en) * | 2003-05-31 | 2004-12-08 | 진금수 | Refrigeration cycle |
| CN101294759A (en) * | 2008-05-17 | 2008-10-29 | 苏权兴 | Heat converter |
| KR20090105628A (en) * | 2008-04-03 | 2009-10-07 | (주)티이엔 | An auxiliary Heat Source Equipment and the Control of Heat Pump System |
| CN101979930A (en) * | 2010-11-18 | 2011-02-23 | 上海理工大学 | Energy-saving and environmentally-friendly heat control device of heat pump type air conditioner system |
| KR20130115001A (en) * | 2012-04-10 | 2013-10-21 | (주)그린이엔티 | Apparatus for preheating of heat-source air in air heat-source heat pump |
| EP2669609A2 (en) * | 2012-06-01 | 2013-12-04 | TEV Limited | Defrost method for use in an air source heat pump system |
| CN203501289U (en) * | 2013-09-25 | 2014-03-26 | 甘肃一德新能源设备有限公司 | CO2 heat pump heat collection device |
| CN103968602A (en) * | 2013-01-29 | 2014-08-06 | 约克（无锡）空调冷冻设备有限公司 | Air source heat pump system |
-
2016
- 2016-01-22 CN CN201610045630.XA patent/CN105546878A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040103177A (en) * | 2003-05-31 | 2004-12-08 | 진금수 | Refrigeration cycle |
| KR20090105628A (en) * | 2008-04-03 | 2009-10-07 | (주)티이엔 | An auxiliary Heat Source Equipment and the Control of Heat Pump System |
| CN101294759A (en) * | 2008-05-17 | 2008-10-29 | 苏权兴 | Heat converter |
| CN101979930A (en) * | 2010-11-18 | 2011-02-23 | 上海理工大学 | Energy-saving and environmentally-friendly heat control device of heat pump type air conditioner system |
| KR20130115001A (en) * | 2012-04-10 | 2013-10-21 | (주)그린이엔티 | Apparatus for preheating of heat-source air in air heat-source heat pump |
| EP2669609A2 (en) * | 2012-06-01 | 2013-12-04 | TEV Limited | Defrost method for use in an air source heat pump system |
| CN103968602A (en) * | 2013-01-29 | 2014-08-06 | 约克（无锡）空调冷冻设备有限公司 | Air source heat pump system |
| CN203501289U (en) * | 2013-09-25 | 2014-03-26 | 甘肃一德新能源设备有限公司 | CO2 heat pump heat collection device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20180713 |