CN102121770B - Working medium evaporation system for carbon dioxide heat pump water heating equipment - Google Patents
Working medium evaporation system for carbon dioxide heat pump water heating equipment Download PDFInfo
- Publication number
- CN102121770B CN102121770B CN2011100576173A CN201110057617A CN102121770B CN 102121770 B CN102121770 B CN 102121770B CN 2011100576173 A CN2011100576173 A CN 2011100576173A CN 201110057617 A CN201110057617 A CN 201110057617A CN 102121770 B CN102121770 B CN 102121770B
- Authority
- CN
- China
- Prior art keywords
- heat
- working medium
- carbon dioxide
- evaporimeter
- hot water
- 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.)
- Expired - Fee Related
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 40
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 230000008020 evaporation Effects 0.000 title abstract description 6
- 238000001704 evaporation Methods 0.000 title abstract description 6
- 238000010438 heat treatment Methods 0.000 title abstract description 5
- 239000012530 fluid Substances 0.000 claims abstract description 17
- 239000002918 waste heat Substances 0.000 claims description 17
- 238000007664 blowing Methods 0.000 claims description 3
- 238000010257 thawing Methods 0.000 abstract 5
- 230000002528 anti-freeze Effects 0.000 abstract 2
- 101150006257 rig-4 gene Proteins 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
Classifications
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a working medium evaporation system for carbon dioxide heat pump water heating equipment, which comprises an evaporator, an afterheat recycler, a defrosting heat exchanger and a defrosting heat exchange device for absorbing heat, wherein the input end of the afterheat recycler is connected with a carbon dioxide working medium input pipe, and the output end of the afterheat recycler is connected with the input end of the evaporator; the output end of the evaporator is connected with a carbon dioxide working medium output pipe; and the defrosting heat exchanger is arranged between the afterheat recycler and the evaporator, and is connected with the defrosting heat exchange device by an antifreeze fluid circulation pipeline to form an antifreeze fluid circulation loop. In the working medium evaporation system provided by the invention, the heat, produced by water heating, of a carbon dioxide working medium can be recycled by the afterheat recycler, and is evaporated by the evaporator to bring sufficient heat to the working medium evaporation system in combination with an independent circulation loop of the defrosting heat exchanger so as to prevent the system from being frosted and realize the effective utilization of the heat.
Description
Technical field
The present invention relates to a kind of carbon dioxide heat-pump hot water facility, especially a kind of working medium vapo(u)rization system of carbon dioxide heat-pump hot water facility.
Background technology
Adopting the heat-pump hot-water equipment of carbon dioxide working medium is the emerging technology of rising in recent years; This equipment mainly is made up of carbon dioxide compressibility, heating system and water storage system; The carbon dioxide compressibility compresses high temperature carbon dioxide working medium; By heating system water is carried out heat exchange, and the hot water that obtains is stored by water storage system, supply when needed.Because carbon dioxide is nontoxic, nonflammable, to the little and cheap characteristic of the side effect of environment; Can be used as a kind of comparatively desirable refrigeration working medium, yet, adopt the common efficient of carbon dioxide lower; The technological difficulties that are applied to art of heat pumps are more, and efficiency far is not as good as the equipment of freon working medium, therefore at present in industry; CO 2 technology is not mature enough always, is still the focus and the difficult point of research.Carbon dioxide working medium needs recycling after water is heated, need use evaporimeter in this process; Carbon dioxide is evaporated, make the heat of carbon dioxide absorption external environment reach the energy storage purpose, in the carbon dioxide evaporation process; Evaporimeter absorbs the surrounding environment heat can cause temperature decrease, frosting occurs, if untimely solution frosting problem; Will influence efficient, and cause device damage.
Summary of the invention
To the problems referred to above, the invention provides and a kind ofly can effectively prevent frosting, and the working medium vapo(u)rization system of the high carbon dioxide heat-pump hot water facility of utilization efficiency of heat energy.
The technical scheme that the present invention is adopted for its technical problem of solution is:
A kind of working medium vapo(u)rization system of carbon dioxide heat-pump hot water facility; Comprise evaporimeter; Also comprise waste-heat recoverer, defrost heat exchanger and be used to absorb the defrost heat-exchanger rig of heat, the waste-heat recoverer input connects carbon dioxide working medium input pipe, and output is connected with the input of evaporimeter; The output of evaporimeter connects carbon dioxide working medium efferent duct; Said defrost heat exchanger is arranged between waste-heat recoverer and the evaporimeter, and is connected with the defrost heat-exchanger rig through the anti-icing fluid circulating line, forms the anti-icing fluid closed circuit.
As the further improvement of such scheme, the other ventilating fan that is provided with of evaporimeter, the blowing direction of ventilating fan by waste-heat recoverer towards evaporimeter.
As the further improvement of such scheme, said waste-heat recoverer is provided with throttling arrangement with the pipeline that is connected of evaporimeter.
As the further improvement of such scheme, the defrost heat-exchanger rig is arranged in the water storage system.
Above-mentioned anti-icing fluid circulating line is provided with expansion drum.
Above-mentioned anti-icing fluid circulating line is provided with filter, circulating pump and water flow switch.
The invention has the beneficial effects as follows: working medium vapo(u)rization system of the present invention; Can reclaim the heat that adds the carbon dioxide working medium behind the hot water through waste-heat recoverer; Evaporate by evaporimeter again, and combine an independent loops loop of defrost heat exchanger, for the working medium vapo(u)rization system is brought enough heats; Prevent locking system frost, and realized effective utilization of heat energy.
Description of drawings
Further specify below in conjunction with the accompanying drawing and the specific embodiment:
Fig. 1 is a system architecture sketch map of the present invention.
The specific embodiment
As shown in Figure 1, the working medium vapo(u)rization system of a kind of carbon dioxide heat-pump hot water facility provided by the present invention comprises evaporimeter 1; Also comprise waste-heat recoverer 2, defrost heat exchanger 3 and be used to absorb the defrost heat-exchanger rig 4 of heat, wherein waste-heat recoverer 2 inputs connect carbon dioxide working medium input pipe 51, and output is connected with the input of evaporimeter 1 through pipeline; And throttling arrangement 11 can be set on pipeline; With the flow of control carbon dioxide working medium, the output of evaporimeter 1 connects carbon dioxide working medium efferent duct 52, has promptly formed the carbon dioxide working medium after water is heated; At first by carbon dioxide working medium input pipe 51 input waste-heat recoverers 2; Get into evaporimeter 1 afterwards, the start vaporizer heat absorption is exported to the carbon dioxide compressibility by carbon dioxide working medium efferent duct 52 at last; Recompress the high temperature refrigerant that formation needs, to continue to add hot water; State defrost heat exchanger 3 and be arranged between waste-heat recoverer 2 and the evaporimeter 1, and be connected with defrost heat-exchanger rig 4, form the anti-icing fluid closed circuit through anti-icing fluid circulating line 31; This loop can absorb far-end or other local heats through the anti-icing fluid in the defrost heat-exchanger rig 4; Pass to defrost heat exchanger 3, and because defrost heat exchanger 3, can provide necessary heat for being adjacent to the position relation of evaporimeter 1 when the evaporation of the carbon dioxide in the evaporimeter 1 absorbs heat; To prevent frost; And as preferred embodiment, can defrost heat-exchanger rig 4 be arranged in the water storage system 7 of heat-pump hot-water equipment, the heat of directly drawing hot water in the water storage system 7 uses; Get final product because of defrost heat exchanger 3 only need guarantee evaporimeter 1 frost-free, so hot water temperature to be supplied influences not quite in 4 pairs of water storage systems 7 of defrost heat-exchanger rig; For guaranteeing loop circulation and corresponding control smoothly, necessary parts such as filter 33, circulating pump 34 and water flow switch 35 can be set on anti-icing fluid circulating line 31 in addition.
And as preferred implementation of the present invention, anti-icing fluid circulating line 31 is provided with expansion drum 32, can prevent the damage of rising of pipeline thermal that the anti-icing fluid temperature just causes, and can be used as the inlet that adds anti-icing fluid.
As more excellent embodiment; Can be at the evaporimeter 1 other ventilating fan 6 that is provided with, the blowing direction of ventilating fan 6, is increased air and flows towards evaporimeter 1 by waste-heat recoverer 2; Be effective heat transferred evaporimeter 1 with waste-heat recoverer 2 and defrost heat exchanger 3, and can be by transfer of air part heat.
Claims (6)
1. the working medium vapo(u)rization system of a carbon dioxide heat-pump hot water facility; Comprise evaporimeter (1); It is characterized in that: also comprise waste-heat recoverer (2), defrost heat exchanger (3) and be used to absorb the defrost heat-exchanger rig (4) of heat, waste-heat recoverer (2) input connects carbon dioxide working medium input pipe (51), and output is connected with the input of evaporimeter (1); The output of evaporimeter (1) connects carbon dioxide working medium efferent duct (52); Said defrost heat exchanger (3) is arranged between waste-heat recoverer (2) and the evaporimeter (1), and is connected with defrost heat-exchanger rig (4) through anti-icing fluid circulating line (31), forms the anti-icing fluid closed circuit.
2. the working medium vapo(u)rization system of a kind of carbon dioxide heat-pump hot water facility according to claim 1; It is characterized in that: the other ventilating fan (6) that is provided with of said evaporimeter (1), the blowing direction of ventilating fan (6) by waste-heat recoverer (2) towards evaporimeter (1).
3. the working medium vapo(u)rization system of a kind of carbon dioxide heat-pump hot water facility according to claim 1 is characterized in that: said defrost heat-exchanger rig (4) is arranged in the water storage system.
4. the working medium vapo(u)rization system of a kind of carbon dioxide heat-pump hot water facility according to claim 1 is characterized in that: said waste-heat recoverer (2) is provided with throttling arrangement (11) with the pipeline that is connected of evaporimeter (1).
5. the working medium vapo(u)rization system of a kind of carbon dioxide heat-pump hot water facility according to claim 1 is characterized in that: said anti-icing fluid circulating line (31) is provided with expansion drum (32).
6. the working medium vapo(u)rization system of a kind of carbon dioxide heat-pump hot water facility according to claim 1 is characterized in that: said anti-icing fluid circulating line (31) is provided with filter (33), circulating pump (34) and water flow switch (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100576173A CN102121770B (en) | 2011-03-10 | 2011-03-10 | Working medium evaporation system for carbon dioxide heat pump water heating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100576173A CN102121770B (en) | 2011-03-10 | 2011-03-10 | Working medium evaporation system for carbon dioxide heat pump water heating equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102121770A CN102121770A (en) | 2011-07-13 |
| CN102121770B true CN102121770B (en) | 2012-07-25 |
Family
ID=44250382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100576173A Expired - Fee Related CN102121770B (en) | 2011-03-10 | 2011-03-10 | Working medium evaporation system for carbon dioxide heat pump water heating equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102121770B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180675A (en) * | 2018-02-13 | 2018-06-19 | 天津商业大学 | It is a kind of to be in direct contact evaporation heat pump system using waste heat |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1043383A (en) * | 1988-10-21 | 1990-06-27 | 塞梅尔金公司 | The operation method of refrigeration system and running gear |
| CN2886422Y (en) * | 2006-02-20 | 2007-04-04 | 李永强 | Heat pump water heater capable of working stably and directly discharging hot water |
| CN101430153A (en) * | 2008-12-12 | 2009-05-13 | 广东志高空调有限公司 | Defrosting method for thermal pump air conditioner and air conditioner |
| CN201992815U (en) * | 2011-03-10 | 2011-09-28 | 中山市麦科尔热能技术有限公司 | Working medium evaporating system of carbon dioxide heat pump water heating equipment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005188924A (en) * | 2001-07-02 | 2005-07-14 | Sanyo Electric Co Ltd | Heat pump device |
| JP2009036503A (en) * | 2007-07-09 | 2009-02-19 | Panasonic Corp | Refrigerating cycle device and air conditioner having this refrigerating cycle device |
-
2011
- 2011-03-10 CN CN2011100576173A patent/CN102121770B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1043383A (en) * | 1988-10-21 | 1990-06-27 | 塞梅尔金公司 | The operation method of refrigeration system and running gear |
| CN2886422Y (en) * | 2006-02-20 | 2007-04-04 | 李永强 | Heat pump water heater capable of working stably and directly discharging hot water |
| CN101430153A (en) * | 2008-12-12 | 2009-05-13 | 广东志高空调有限公司 | Defrosting method for thermal pump air conditioner and air conditioner |
| CN201992815U (en) * | 2011-03-10 | 2011-09-28 | 中山市麦科尔热能技术有限公司 | Working medium evaporating system of carbon dioxide heat pump water heating equipment |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2005-188924A 2005.07.14 |
| JP特开2009-36503A 2009.02.19 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102121770A (en) | 2011-07-13 |
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Effective date of registration: 20141008 Address after: 528400 Guangdong city of Zhongshan Province along the Yangtze River Torch Development Zone Dongsilu Yuxing Industrial Park on the 1st plant floor area of 2 C Patentee after: Turin, Guangdong New Energy Technology Co., Ltd. Address before: 415700, Hunan Province, Changde County, Taoyuan Province Yang Village Bridge Township Chaoyang village house 013 Patentee before: Tang Yi |
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