CN106123335B - heat pump hot-water system - Google Patents
heat pump hot-water system Download PDFInfo
- Publication number
- CN106123335B CN106123335B CN201610842097.XA CN201610842097A CN106123335B CN 106123335 B CN106123335 B CN 106123335B CN 201610842097 A CN201610842097 A CN 201610842097A CN 106123335 B CN106123335 B CN 106123335B
- Authority
- CN
- China
- Prior art keywords
- water
- hot
- subcooler
- supercooling
- condenser
- 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.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
- F24H4/04—Storage heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/12—Arrangements for connecting heaters to circulation pipes
- F24H9/13—Arrangements for connecting heaters to circulation pipes for water heaters
- F24H9/133—Storage heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
Abstract
The invention discloses a kind of heat pump hot-water systems, including refrigerant circuit, hot-water return and for the condenser (3) of the refrigerant circuit and the hot-water return heat exchange, water tank (1) on the hot-water return, which has, is condensed out the mouth of a river (15) and supercooling water outlet (12), and supercooling water outlet (12) horizontal position is condensed out the mouth of a river (15) horizontal position less than described；Condenser (3) water inlet is connected to the mouth of a river (15) that is condensed out；It further include the subcooler (7) for the refrigerant circuit and the hot-water return heat exchange, the water inlet of the subcooler (7) is connected to the supercooling water outlet (12), and the refrigerant inlet of the subcooler (7) is connected to the refrigerant outlet of the condenser (3).Above-mentioned heat pump hot-water system carries out heat exchange to the refrigerant of the high enthalpy flowed out by condenser refrigerant outlet using the hot water of lower temperature, improves the heat of recycling, improve the Energy Efficiency Ratio of water heating.
Description
Technical field
The present invention relates to heat-pump apparatus technical field, more particularly to a kind of heat pump hot-water system.
Background technology
Circulating heat pump water heater be a kind of cold water by water tank repeatedly flow through condenser in Teat pump boiler into
Row heating, progressivelyes reach the Teat pump boiler of set temperature.
As shown in Figure 1, heat pump hot-water system includes water tank 1, water pump 2, condenser 3, compressor 4, heat exchanger 5 and throttling
Device 6.Condenser 3, compressor 4, heat exchanger 5 and throttling set 6 form refrigerant circuit, water tank 1, water pump 2 and condenser 3
Form hot-water return.Extraneous cold water enters water tank 1 by water tank inlet 11, is flowed out by the mouth of a river 15 that is condensed out on water tank 1, cold
Solidifying water outlet 15 is connect with the water inlet of condenser 3, and hot friendship is carried out by condenser 3 and with the refrigerant in refrigerant circuit
It changes, the water after heating enters water tank 1, when users use, the water in water tank 1 under the drive of water pump 2 by circulation water inlet 13
It is flowed out by water outlet of water tank 14.
But in water tank 1 water temperature gradually rise, the inlet water temperature of condenser 3 increases, the condensation of heat pump system
Temperature increases, and the temperature of the liquid refrigerant flowed out by condenser 3 also gradually rises, and the refrigerant temperature that condenser 3 flows out
Always it is the water temperature of the water inlet not less than condenser 3.In 3 inlet water temperature of condenser (temperature for being condensed out 15 outflow water of the mouth of a river)
When higher, such as 35 DEG C or more, the refrigerant temperature of 3 refrigerant outlet of condenser outflow is also at 35 DEG C or more so that high temperature, high pressure
And the refrigerant of high enthalpy is directly entered throttling set 6 and throttles, subsequently into evaporator, there are larger heats for this mode
Loss so that heat recovery is less, and the efficiency of water heating is relatively low.
Therefore, recycling heat and water heating Energy Efficiency Ratio how are improved, is the technical problem to be solved by the personnel in the art.
Invention content
In view of this, the present invention provides a kind of heat pump hot-water system, to improve recycling heat and water heating Energy Efficiency Ratio.
To achieve the above object, the present invention provides the following technical solutions：
It can be seen from the above technical scheme that heat pump hot-water system provided by the invention, including refrigerant circuit, hot water
Circuit and the condenser for supplying the refrigerant circuit and the hot-water return heat exchange,
Water tank on the hot-water return, which has, is condensed out the mouth of a river and supercooling water outlet, the level of the supercooling water outlet
Position is less than the horizontal position for being condensed out the mouth of a river；
The water inlet of the condenser is connected to the mouth of a river that is condensed out；
Further include the subcooler for the refrigerant circuit and the hot-water return heat exchange, the water inlet of the subcooler
It is connected to the supercooling water outlet, the refrigerant inlet of the subcooler is connected to the refrigerant outlet of the condenser.
Preferably, in above-mentioned heat pump hot-water system, the water outlet of the subcooler is connected to the water inlet of the condenser.
Preferably, in above-mentioned heat pump hot-water system, the water outlet of the subcooler described is condensed out the mouth of a river and the condensation
The water inlet of device is connected to by three-limb tube road.
Preferably, in above-mentioned heat pump hot-water system, the condenser is counterflow heat exchanger；
And/or the subcooler is counterflow heat exchanger.
Preferably, in above-mentioned heat pump hot-water system, the supercooling water inlet of the water outlet of the subcooler and the water tank
Connection.
Preferably, in above-mentioned heat pump hot-water system, connecting line and/or institute of the supercooling water outlet with the subcooler
State supercooling water inlet had cold circulating pump on the connecting line of the subcooler.
Preferably, in above-mentioned heat pump hot-water system, the horizontal position of the supercooling water inlet is higher than the supercooling water outlet
Horizontal position；
And/or the horizontal position of the supercooling water inlet is less than the horizontal position for being condensed out the mouth of a river.
Preferably, further include the partition board being set in the water tank, the condensation of water in above-mentioned heat pump hot-water system
Mouth is located at the both sides of the partition board with the supercooling water outlet；
The partition board is AND DEWATERING FOR ORIFICE STRUCTURE.
Preferably, in above-mentioned heat pump hot-water system, the supercooling water outlet is connected to the oriented water tank and extends internally
Overheat waterpipe；
The water inlet of the overheat waterpipe is towards the bottom of the water tank.
Preferably, in above-mentioned heat pump hot-water system, the horizontal position of the water inlet of the overheat waterpipe is less than or equal to
The horizontal position of the supercooling water outlet.
Heat pump hot-water system provided by the invention is made by above-mentioned setting according to the principle of stratification of the hot water in water tank
The leaving water temperature that water outlet must be subcooled is less than the leaving water temperature for being condensed out the mouth of a river.Using the hot water of lower temperature to by condenser
The refrigerant of the high enthalpy of refrigerant outlet outflow carries out heat exchange, and then improves the heat of recycling, improves the energy of water heating
Effect ratio.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of heat pump hot-water system in the prior art；
Fig. 2 is a kind of heat pump hot-water system in the prior art in the asynchronous pressure-enthalpy chart of condensation temperature；
Fig. 3 is that the temperature of refrigerant and water is distributed along heat exchanger along journey in a kind of heat pump hot-water system in the prior art
Tendency chart；
Fig. 4 is the first structural schematic diagram of heat pump hot-water system provided in an embodiment of the present invention；
Fig. 5 is heat pump hot-water system provided in an embodiment of the present invention in the asynchronous pressure-enthalpy chart of condensation temperature；
Fig. 6 is that the temperature of refrigerant and water is distributed along heat exchanger along journey in heat pump hot-water system provided in an embodiment of the present invention
Tendency chart；
Fig. 7 is the initial heating status diagram of heat pump hot-water system provided in an embodiment of the present invention；
Fig. 8 is the intermediate heated condition schematic diagram of heat pump hot-water system provided in an embodiment of the present invention；
Fig. 9 is the completion heated condition schematic diagram of heat pump hot-water system provided in an embodiment of the present invention；
Figure 10 is second of structural schematic diagram of heat pump hot-water system provided in an embodiment of the present invention；
Figure 11 is the third structural schematic diagram of heat pump hot-water system provided in an embodiment of the present invention.
Specific implementation mode
The invention discloses a kind of heat pump hot-water systems, to improve recycling heat and water heating Energy Efficiency Ratio.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in figure 4, a kind of heat pump hot-water system provided in an embodiment of the present invention, including refrigerant circuit, hot-water return,
For refrigerant circuit with the condenser 3 of hot-water return heat exchange and for the subcooler 7 of refrigerant circuit and hot-water return heat exchange.
Water tank 1 on hot-water return, which has, is condensed out the mouth of a river 15 and supercooling water outlet 12, and the horizontal position of supercooling water outlet 12 is less than
It is condensed out the horizontal position at the mouth of a river 15；The water inlet of condenser 3 is connected to the mouth of a river 15 is condensed out.The water inlet and mistake of subcooler 7
Cold water outlet 12 is connected to, and the refrigerant inlet of subcooler 7 is connected to the refrigerant outlet of condenser 3.
As shown in figure 4, refrigerant circuit is to be led to by compressor 4, condenser 3, subcooler 7, throttling set 6 and heat exchanger 5
Cross the closed circuit that refrigerant line is sequentially connected composition.Hot-water return is by water tank 1, water pump 2, condenser 3 and subcooler 7
It is sequentially connected composition closed circuit by related water lines.That is, refrigerant is along 3-subcooler of path compression 4-condenser of machine 7-
6-heat exchanger of throttling set 5 recycles, and water is recycled along path 3-subcooler of water tank 1-water pump, 2-condenser 7.Extraneous cold water
Water tank 1 is entered by water tank inlet 11, when users use, the water in water tank 1 is flowed out by water outlet of water tank 14.
Heat pump hot-water system provided in an embodiment of the present invention, by above-mentioned setting, according to layering of the hot water in water tank 1
Principle so that the leaving water temperature of supercooling water outlet 12 is less than the leaving water temperature for being condensed out the mouth of a river 15.Utilize the hot water of lower temperature
Heat exchange is carried out to the refrigerant of the high enthalpy of the refrigerant outlet outflow by condenser 3, and then improves the heat of recycling, is improved
The Energy Efficiency Ratio of water heating.
As shown in figures 2 and 5, Fig. 2 is the pressure-enthalpy chart of Fig. 1, and Fig. 5 is the pressure-enthalpy chart of Fig. 4.The Heat Pump that Fig. 2 and Fig. 5 is used
Water tank 1, water pump 2, condenser 3, compressor 4, heat exchanger 5, the structure of throttling set 6 and size in water system are equal.
The ratio enthalpy difference of Fig. 5 is more than the ratio enthalpy difference of Fig. 2 it can be seen from Fig. 2 and Fig. 5, that is, Heat Pump water system provided in an embodiment of the present invention
System, improves than enthalpy difference, and then in the case where flow is certain, effectively increases the heat of recycling.
As shown in Fig. 3 and Fig. 6, Fig. 3 is the refrigerant of Fig. 1 and the tendency chart that the temperature of water is distributed along heat exchanger along journey, Fig. 6
The tendency chart being distributed along journey along heat exchanger for the refrigerant of Fig. 4 and the temperature of water.In the heat pump hot-water system that Fig. 3 and Fig. 6 is used
Water tank 1, water pump 2, condenser 3, compressor 4, heat exchanger 5, the structure of throttling set 6 and size be equal.By Fig. 3 and figure
6 as can be seen that the refrigerant cooling temperature of Fig. 6 is more than the refrigerant cooling temperature of Fig. 3；Also, in Fig. 6 the initial temperature of water compared with
Low, the initial temperature of Fig. 3 is higher, and the final water temperature in Fig. 3 and Fig. 6 is equal.Wherein, S0-S1 is the flow of condenser 3, S1-
S2 is the flow of subcooler 7.Solid line is refrigerant temperature, and dotted line is water temperature.That is, Heat Pump water system provided in an embodiment of the present invention
System, improves the Energy Efficiency Ratio of water heating.
Since high-temperature-hot-water density is less than low-temperature water heating, and the heat conductivility of water is poor, the water heating in water tank 1
In the process, the water in water tank 1 will produce serious lamination.The water of 1 bottom of water tank is hardly by top hot water
Influence.As shown in Fig. 7, Fig. 8 and Fig. 9, T1 ＜ T2 ＜ T3.Heat pump hot-water system provided in an embodiment of the present invention will be located at storage
The water at low temperature of 1 bottom of water tank is exported by supercooling water outlet 12, and then improves heating effect.
It is understood that it is water tank that the horizontal position of water outlet 12, which is subcooled, and is condensed out the horizontal position at the mouth of a river 15
1 horizontal position in normal operation.
Preferably, condenser 3 and subcooler 7 are coupled and heat-exchange.
As shown in figure 4, in the first embodiment, the water outlet of subcooler 7 is connected to the water inlet of condenser 3.In water
In the state that pump 2 is opened, the water of low water level is exchanged heat by supercooling water outlet 12 by subcooler 7 in water tank 1, by supercooling
Water after the heat exchange of device 7 flows into condenser 3 after being mixed with the water for flowing out water tank 1 by being condensed out the mouth of a river 15 and exchanges heat；Through supercooling
Water after condenser 3 exchanges heat enters water tank 1 by circulation water inlet 13.By above-mentioned setting, heat transfer effect is effectively ensured.
It is understood that the horizontal position of circulation water inlet 13 is higher than the horizontal position for being condensed out the mouth of a river 15.Preferably,
Circulation water inlet 13 is located at the top of water tank 1.
In the present embodiment, the water outlet of subcooler 7, be condensed out the mouth of a river 15 and the water inlet of condenser 3 leads to by three
Take over road is connected to.By the way that three-limb tube road is arranged, facilitates the water outlet of subcooler 7, is condensed out the mouth of a river 15 and condenser 3
The connection of water inlet.
In the present embodiment, condenser 3 and subcooler 7 are counterflow heat exchanger.That is, being made in condenser 3 and subcooler 7
The adverse current of cryogen and water, to further improve heat transfer effect.
Only condenser 3 can also be set to counterflow heat exchanger.Alternatively, only setting subcooler 7 to countercurrent heat exchange
Device.It is of course also possible to which condenser 3 and subcooler 7 are disposed as downstream heat exchanger (DSHE).Not repeated them here.
As shown in Figure 10, in second of embodiment, the water outlet of subcooler 7 connects with the supercooling water inlet 16 of water tank 1
It is logical.That is, being back to water tank 1 after the water of subcooler 7 is exchanged heat.That is, condenser 3 and subcooler 7 are relative to water tank 1
There is independent water-flow circuit.
In order to ensure water can flow through subcooler 7, need that power-equipment is arranged.In the present embodiment, water outlet 12 is subcooled
There is cold circulating pump 8 on the connecting line of subcooler 7.It can also will cross the setting of cold circulating pump 8 and supercooling water inlet
16 on the connecting line of subcooler 7.It can also be in the connecting line and supercooling water inlet 16 of supercooling water outlet 12 and subcooler 7
It was respectively provided with cold circulating pump 8 on the connecting line of subcooler 7.
In the present embodiment, horizontal position of the horizontal position of supercooling water inlet 16 higher than supercooling water outlet 12.Further
Improve layered effect of the hot water in water tank 1.
Further, the horizontal position of supercooling water inlet 16 is less than the horizontal position for being condensed out the mouth of a river 15.It is set by above-mentioned
It sets, further improves the independent for the water-flow circuit that condenser 3 and subcooler 7 are formed relative to water tank 1.
As shown in figure 11, in the third embodiment, heat pump hot-water system further includes the partition board 9 being set in water tank 1,
It is condensed out the both sides that the mouth of a river 15 is located at partition board 9 with supercooling water outlet 12；Partition board 9 is AND DEWATERING FOR ORIFICE STRUCTURE.By the way that partition board 9 is arranged,
Keep the phenomenon that hot water is layered because of water temperature in water tank 1 more obvious, further improves heat exchange efficiency.
Preferably, partition board 9 is horizontally disposed partition board.Partition board 9 can also be made to be arranged with certain angle of inclination, herein no longer
Tire out one by one and states.
As shown in Fig. 7, Fig. 8 and Fig. 9, supercooling water outlet 12 is connected to oriented water tank 1 and extends internally overheat waterpipe 17；
The water inlet of waterpipe 17 is overheated towards the bottom of water tank 1.Pass through above-mentioned setting so that the water close to the bottom of water tank 1
It is flowed out by supercooling water outlet 12, further reduced the temperature of the water flowed out by supercooling water outlet 12.
Further, horizontal position of the horizontal position of the water inlet of overheat waterpipe 17 less than or equal to supercooling water outlet 12
It sets.The water of the bottom close to water tank 1 is further set to be flowed out by supercooling water outlet 12.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (9)
1. a kind of heat pump hot-water system, including refrigerant circuit, hot-water return and the confession refrigerant circuit are returned with the hot water
The condenser (3) of road heat exchange, which is characterized in that
Water tank (1) on the hot-water return, which has, is condensed out the mouth of a river (15) and supercooling water outlet (12), the supercooling water outlet
The horizontal position of mouth (12) is less than the horizontal position for being condensed out the mouth of a river (15)；
The water inlet of the condenser (3) is connected to the mouth of a river (15) that is condensed out；
Further include the subcooler (7) for the refrigerant circuit and the hot-water return heat exchange, the water inlet of the subcooler (7)
Mouth is connected to the supercooling water outlet (12), and the refrigerant inlet and the refrigerant of the condenser (3) of the subcooler (7) go out
Mouth connection；
Further include the partition board (9) being set in the water tank (1), it is described to be condensed out the mouth of a river (15) and the supercooling water outlet
(12) both sides of the partition board (9) are located at；
The partition board (9) is AND DEWATERING FOR ORIFICE STRUCTURE.
2. heat pump hot-water system as described in claim 1, which is characterized in that the water outlet of the subcooler (7) with it is described cold
The water inlet of condenser (3) is connected to.
3. heat pump hot-water system as claimed in claim 2, which is characterized in that the water outlet of the subcooler (7), the condensation
The water inlet of water outlet (15) and the condenser (3) is connected to by three-limb tube road.
4. heat pump hot-water system as described in claim 1, which is characterized in that the condenser (3) is counterflow heat exchanger；
And/or the subcooler (7) is counterflow heat exchanger.
5. heat pump hot-water system as described in claim 1, which is characterized in that the water outlet of the subcooler (7) and the storage
The supercooling water inlet (16) of water tank (1) is connected to.
6. heat pump hot-water system as claimed in claim 5, which is characterized in that the supercooling water outlet (12) and the subcooler
(7) connecting line and/or the supercooling water inlet (16) had cool circulation water on the connecting line of the subcooler (7)
It pumps (8).
7. heat pump hot-water system as claimed in claim 5, which is characterized in that the horizontal position of the supercooling water inlet (16) is high
In the horizontal position of the supercooling water outlet (12)；
And/or the horizontal position of the supercooling water inlet (16) is less than the horizontal position for being condensed out the mouth of a river (15).
8. such as claim 1-7 any one of them heat pump hot-water systems, which is characterized in that supercooling water outlet (12) connection
The oriented water tank (1) extends internally overheat waterpipe (17)；
Bottom of the water inlet of the overheat waterpipe (17) towards the water tank (1).
9. heat pump hot-water system as claimed in claim 8, which is characterized in that the water of the water inlet of the overheat waterpipe (17)
Prosposition sets the horizontal position less than or equal to the supercooling water outlet (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610842097.XA CN106123335B (en) | 2016-09-21 | 2016-09-21 | heat pump hot-water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610842097.XA CN106123335B (en) | 2016-09-21 | 2016-09-21 | heat pump hot-water system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106123335A CN106123335A (en) | 2016-11-16 |
| CN106123335B true CN106123335B (en) | 2018-09-07 |
Family
ID=57271268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610842097.XA Active CN106123335B (en) | 2016-09-21 | 2016-09-21 | heat pump hot-water system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106123335B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107014075A (en) * | 2017-05-03 | 2017-08-04 | 辽宁三利节能科技有限公司 | Unit dual temperature area Teat pump boiler |
| CN109812974B (en) * | 2018-04-11 | 2021-05-18 | 浙江工业大学 | Step heating multi-mode coupling heat pump water heater |
| CN109798661B (en) * | 2018-04-11 | 2021-06-18 | 浙江工业大学 | Multi-mode heating heat pump water heater |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201145410Y (en) * | 2007-11-23 | 2008-11-05 | 惠州市思想科技有限公司 | High-efficiency double-temperature type heat pump water heater |
| CN101315221A (en) * | 2007-06-01 | 2008-12-03 | 惠州市思想科技有限公司 | Quick heating type heat pump water heater |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5141486B2 (en) * | 2008-10-03 | 2013-02-13 | ダイキン工業株式会社 | Heat exchanger and hot water system |
| CN206145983U (en) * | 2016-09-21 | 2017-05-03 | 珠海格力电器股份有限公司 | Heat pump hot -water system |
-
2016
- 2016-09-21 CN CN201610842097.XA patent/CN106123335B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101315221A (en) * | 2007-06-01 | 2008-12-03 | 惠州市思想科技有限公司 | Quick heating type heat pump water heater |
| CN201145410Y (en) * | 2007-11-23 | 2008-11-05 | 惠州市思想科技有限公司 | High-efficiency double-temperature type heat pump water heater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106123335A (en) | 2016-11-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107421161A (en) | Heat-pump-type drinking-water system and its control method, heat-pump-type drinking device | |
| CN104697165B (en) | Water heater | |
| CN106123335B (en) | heat pump hot-water system | |
| CN105115340A (en) | Phase change heat storage device and heat-pump water heater | |
| CN102645022B (en) | Energy-saving multiple temperature section water boiler | |
| CN104848582B (en) | Two stage type double effect type lithium bromide absorption refrigeration/heating machine unit | |
| CN105066519B (en) | A kind of dry evaporator and the refrigeration system with the dry evaporator | |
| CN104236164B (en) | Ultra-high temperature cascade water source heat pump system | |
| CN105890084B (en) | Hot-water supply system and air conditioner with it | |
| CN204787425U (en) | Prepare hydrothermal circulation system of high temperature | |
| CN206145983U (en) | Heat pump hot -water system | |
| CN106403409A (en) | Low-temperature enthalpy increasing and refrigerating system and working mode | |
| CN108518861A (en) | Heat pump water heater system | |
| CN206094547U (en) | Many first medium heat cascade utilization's double -pipe heat exchanger | |
| CN107606814A (en) | The big temperature difference suction-type lithium bromide heat-exchange unit of Very Low Clearance | |
| CN103925695A (en) | Heat-pump water heater | |
| CN207317306U (en) | Compression injection transcritical CO_2 circulates cold-hot combined supply system | |
| CN203443108U (en) | Heat-pump water heater with antifreezing and antiscaling functions | |
| CN103940009B (en) | Air source heat pump air-conditioning system capable of providing domestic hot water | |
| CN108988109A (en) | Dual temperature water cooling unit for laser | |
| JP5575190B2 (en) | Water heater | |
| CN206410359U (en) | A kind of solar-energy air-energy heat-exchange system | |
| CN205717926U (en) | Phase-change thermal storage type water heater and heat exchanger thereof | |
| CN204730300U (en) | Water heater | |
| CN107642916A (en) | Compression injection Trans-critical cycle CO2Circulate cold-hot combined supply system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |