CN106871214A - A kind of heat pump and heat supply method for improving heating efficiency - Google Patents
A kind of heat pump and heat supply method for improving heating efficiency Download PDFInfo
- Publication number
- CN106871214A CN106871214A CN201510917680.8A CN201510917680A CN106871214A CN 106871214 A CN106871214 A CN 106871214A CN 201510917680 A CN201510917680 A CN 201510917680A CN 106871214 A CN106871214 A CN 106871214A
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- Prior art keywords
- water tank
- heat
- heat supply
- water
- pump
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/18—Hot-water central heating systems using heat pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1039—Arrangement or mounting of control or safety devices for water heating systems for central heating the system uses a heat pump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/12—Heat pump
- F24D2200/123—Compression type heat pumps
Abstract
The present invention relates to a kind of heat pump and heat supply method for improving heating efficiency, including the heat pump mechanism being connected with heat supply end, the heat pump mechanism includes source pump, first water tank, second water tank, first water tank, second water tank passes through unit heat supply pipeline, end heat supply pipeline is connected with the source pump and heat supply end respectively, the unit heat supply pipeline, end heat supply pipeline includes water supply line and water return pipeline, valve is equipped with the water supply line and water return pipeline, the unit heat supply pipeline, the first water pump is respectively equipped with the heat supply pipeline of end, second water pump.Heat pump of the invention enables that source pump long-play, in Energy Efficiency Ratio operating mode higher, improves the Energy Efficiency Ratio of whole system, and then improve heating efficiency.
Description
Technical field
It is more particularly to a kind of to improve heat supply the present invention relates to a kind of heat pump and heat supply method
The heat pump and heat supply method of efficiency.
Background technology
In the vast northern area of China, city winter heating is basic based on central heating, but
It is natural gas line and municipal heating systems and non-covered whole city, some places also begin to use each door type
Heating.It is economic consideration, is remained unchanged in the region for being difficult to central heating and adopted using each door type arcola
It is warm.Compared to central heating, flexibly, use time is by the flexible control of owner oneself for house heating.
But serious environmental pollution will be brought using coal-burning boiler, and use electric boiler then operating cost
It is too high.
In recent years, as the day of Energy situation and environmental protection pressure is becoming tight, heat pump air conditioner industry is obtained
Fast development is arrived, substantial amounts of office building, hotel, villa even house employ ground source heat
Pump, solar energy and air source heat pump system.Heat pump heating is more convenient for household management, it is easier to
Behavior energy saving is realized, more without detriment to environment and protection of resources, belongs to the category of regenerative resource,
In the heating, cooling, the domestic hot-water that concentrate heat supply network and natural gas line to be unable to covering area building
There is great advantage in field.
At present, hindering the source pump with air source heat pump as representative is used for the important of building and heating
Main cause be exactly the temperature of heating radiator requirement hot water at 60 DEG C~80 DEG C, in this state
Under, air source heat pump Energy Efficiency Ratio is relatively low, uneconomical.The current main way for solving the above problems
It is still to improve heat pump operational efficiency in itself, such as using more advanced compress mode, more
Plus advanced heat exchange mode etc., and the research on heating system structure is little.
The content of the invention
The purpose of the present invention is to propose to a kind of heat pump and heat supply method for improving heating efficiency,
To solve the heat supply system that currently employed heat pump carries out caused by heat supply as the end such as radiator or coil pipe
The relatively low problem of system whole efficiency.
To achieve the above object, the invention provides a kind of heat pump for improving heating efficiency,
Including the heat pump mechanism being connected with heat supply end, the heat pump mechanism includes source pump, first
Water tank, the second water tank, first water tank, the second water tank pass through unit heat supply
Pipeline, end heat supply pipeline are connected with the source pump and heat supply end respectively, the machine
Group heat supply pipeline, end heat supply pipeline include water supply line and water return pipeline, the feed pipe
Valve is equipped with road and water return pipeline, is divided on the unit heat supply pipeline, end heat supply pipeline
The first water pump, the second water pump are not provided with；When first water tank is to heat supply end heat supply
When, the source pump is heated to second water tank.
Preferably, in first water tank and the second water tank top, bottom are equipped with cloth
Hydrophone.
Preferably, at least two pieces are staggeredly equipped with first water tank and the second water tank
Dividing plate, and the dividing plate width less than water tank internal diameter.
Preferably, the top of first water tank and the second water tank, bottom are equipped with temperature
Sensor.
Preferably, the valve is magnetic valve, and the magnetic valve is connected with controlling organization, institute
Controlling organization is stated to be connected with the temperature sensor, and the controlling organization is according to the temperature
The temperature of sensor is controlled to the open and-shut mode of the magnetic valve.
Preferably, the heat-transfer medium temperature in first water tank or the second water tank reaches and sets
When determining heat supply temperature, heat supply is carried out to the heat supply end；First water tank or the second storage
When heat-transfer medium temperature in water pot is reduced to setting return water temperature, the source pump (R1) is right
First water tank (C1) or the second water tank (C2) are heated.
Preferably, the heat-transfer medium temperature in first water tank or the second water tank reaches
At 45 DEG C~60 DEG C, heat supply is carried out to the heat supply end；First water tank or the second water storage
When heat-transfer medium temperature in tank is reduced to 30 DEG C~40 DEG C, the source pump (R1) is to described
First water tank (C1) or the second water tank (C2) are heated.
Preferably, during temperature reaches 45 DEG C~60 DEG C of first water tank or the second water tank
While any one water tank carries out heat supply, the source pump (R1) is to another water storage
Tank is heated.
It is described another object of the present invention is to provide a kind of heat supply method for improving heating efficiency
Heat supply method includes carrying out heat supply to heat supply end using the heat pump, when the heat pump system
During system operation, supplied to the heat supply end by being opened and closed the first water tank described in the Valve controlling
Heat, until the temperature in first water tank is reduced to return water temperature, while second storage
Water pot is heated by source pump, until the temperature in second water tank rises to confession
During hot temperature, second water tank is to heat supply end heat supply；And first water storage
Tank and the second water tank are to heat supply end alternately heating.
Preferably, the source pump heats temperature to the first water tank and rises to heat supply temperature institute
The time for needing is reduced to less than or equal to second water tank to heat supply end heat supply temperature
Time needed for return water temperature.
Based on above-mentioned technical proposal, it is an advantage of the invention that：
It is of the invention improve heating efficiency heat pump by using respectively with source pump, supply
Two connected water tanks of hot end, alternately heat supply, heat so that source pump can
Long-play improves the Energy Efficiency Ratio of whole system, Jin Erti in Energy Efficiency Ratio operating mode higher
Heating efficiency high.
On the other hand, heat supply, phase are carried out to heat supply end by using heat supply method of the invention
Than the mode being directly connected with heat supply end in conventional heat pump, source pump is not only enabled
Long-play can significantly reduce the load of terminal water pump in Energy Efficiency Ratio operating mode higher,
So that the Energy Efficiency Ratio of whole heating system is further improved.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the application
A part, schematic description and description of the invention is used to explain the present invention, not structure
Into inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the heat pump schematic diagram for improving heating efficiency；
Wherein, R1~source pump；R2~heat supply end；C1~the first water tank；C2~the second
Water tank；T1~the first water tank tip temperature sensor；T2~the first water tank bottom temp is passed
Sensor；T3~the second water tank tip temperature sensor；T4~the second water tank bottom temp is sensed
Device；Valve between F1~the first water tank and heat supply end in water supply line；F2~the second water storage
Valve between tank and heat supply end in water supply line；F3~the first water tank and source pump it
Between valve in inlet channel；Between F4~the second water tank and source pump in inlet channel
Valve；Valve between F5~the first water tank and source pump in water return pipeline；F6~the second stores up
Valve between water pot and source pump in water return pipeline；F7~the first water tank and heat supply end
Between valve in water return pipeline；Between F8~the second water tank and heat supply end in water return pipeline
Valve.
Specific embodiment
Below by drawings and Examples, technical scheme is done and is further retouched in detail
State.
Embodiment 1
The invention provides a kind of heat pump for improving heating efficiency, as shown in figure 1, wherein
Show a kind of preferred embodiment of heat pump of the present invention.Specifically, the heat pump bag
Include the heat pump mechanism being connected with heat supply end R2, the heat pump mechanism include source pump R1,
First water tank C1, the second water tank C2, the first water tank C1, the second water tank
C2 by unit heat supply pipeline, end heat supply pipeline respectively with the source pump R1 and confession
Hot end R2 is connected, and the unit heat supply pipeline, end heat supply pipeline include feed pipe
Road and water return pipeline, are equipped with valve in the water supply line and water return pipeline, the unit is supplied
The first water pump B1, the second water pump B2 are respectively equipped with hot channel, end heat supply pipeline；Work as institute
When stating the first water tank C1 to the heat supply end R2 heat supplies, the source pump R1 is to institute
The second water tank C2 is stated to heat, and first water tank (C1) and the second water tank (C2)
To heat supply end (R2) alternately heating.
It is of the invention improve heating efficiency heat pump by using respectively with source pump, supply
Two connected water tanks of hot end, alternately heat supply, heat so that source pump can
Long-play improves the Energy Efficiency Ratio of whole system, Jin Erti in Energy Efficiency Ratio operating mode higher
Heating efficiency high.Water tank in the present invention includes the storages of the first water tank C1 or second
Water pot C2, certain those skilled in the art could be aware that, the first water tank C1 or second
The actual specification of water tank C2 can be with identical or different, but it has no essence in the present invention
Property difference, the present invention in for ease of description, two water tanks are referred to as the first water tank
C1 and the second water tank C2.
Heretofore described heat supply end R2 at least includes radiator, fan coil, heat exchange
The heat supply end-equipment such as device.In other words, heating form directly can be radiated using radiator
Heating, it is also possible to which connecting fan coil pipe carries out heat supply.Certainly, the heat pump can also be with
Heat exchanger is connected, and with hot water preparing, is used for life or other purposes.
Preferably, top, the bottom in the first water tank C1 and the second water tank C2
It is equipped with water-locator.The first water tank C1, the second water tank are enabled to using water-locator
C2 water inlet when, can on the working face parallel with water tank top surface or bottom surface uniform cloth
Water so that the first water tank C1, the second water tank C2 heat transfer medium Ru Shui at the middle and upper levels, anti-
Freeze liquid etc. to be difficult to mix with the heat transfer medium of lower floor, finally realize the first water tank C1, the second storage
There is obvious layering according to thermograde in heat transfer medium in water pot C2.
Certainly, in order that obtaining heat transfer medium foundation in the first water tank C1, the second water tank C2
Thermograde realizes preferably layering, in the first water tank C1 and the second water tank C2
Be staggeredly equipped with least two pieces dividing plates, and the dividing plate internal diameter of the width less than water tank.
The aperture position of the adjacent dividing plate is shifted to install, and the path length of heat transfer medium mixing is increased with this
Degree, further delays the mixing of levels heat transfer medium.
Preferably, it is provided with heat-insulated around the first water tank C1 and the second water tank C2
Heat-insulation layer.The insulating can be foamed using polyurethane foam material, or directly be used
Insulating rubber plastic is coated, or using insulation materials such as phenol formaldehyde foams.Using insulating
First water tank C1 can be effectively incubated with the second water tank C2, lift first water storage
The heat storage performance of tank C1 and the second water tank C2, the Energy Efficiency Ratio of lifting system.
Further, the heat transfer medium temperature in the first water tank C1 or the second water tank C2
When degree reaches setting heat supply temperature, heat supply is carried out to the heat supply end R2；First storage
When heat-transfer medium temperature in water pot C1 or the second water tank C2 is reduced to setting return water temperature, institute
Source pump R1 is stated to heat the first water tank C1 or the second water tank C2.
Specifically, the top of the first water tank C1 and the second water tank C2, bottom are equal
It is provided with temperature sensor.Specifically, as shown in figure 1, the first water tank tip temperature sensor
T1 is used to detect the temperature of the first water tank C1 tip heat transfer media, the first water storage pot bottom temperature
Degree sensor T2 is used to detect the temperature of the first water tank C1 bottom thermal transfer media；When the first storage
When the temperature of water pot C1 bottom thermal transfer media reaches setting heat supply temperature, first water tank
C1 carries out heat supply by the second water pump B2 and Valve controlling to the heat supply end R2, until
When the temperature of the first water tank C1 bottom thermal transfer media is reduced to setting return water temperature, pass through
The open and-shut mode of valve is adjusted, heat supply is cut off.Hereafter, the source pump R1 and the first water
Pump B1 is opened the first water tank C1 is heated again, until the first water storage pot bottom
The temperature of temperature sensor T2 detections stops heating when reaching heat supply design temperature, and so on
Circulation.
Similarly, the second water tank tip temperature sensor T3 is used to detect the second water tank C2
The temperature of tip heat transfer medium, the second water tank bottom temp sensor T4 is used to detect second
The temperature of water tank C2 bottom thermal transfer media.When the temperature of the second water tank C2 bottom thermal transfer media
When degree reaches setting heat supply temperature, the second water tank C2 passes through the second water pump B2 and valve
Control carries out heat supply to the heat supply end R2, until the second water tank C2 bottom thermal transfers
When the temperature of medium is reduced to setting return water temperature, by adjusting the open and-shut mode of valve, cut-out is supplied
Heat.Hereafter, the source pump R1 and the first water pump B1 is opened again to second water storage
Tank C2 is heated, until the temperature of the first water tank bottom temp sensor T4 detections reaches
Stop heating during heat supply design temperature, and so on circulate.
Preferably, the valve is magnetic valve, and the magnetic valve is connected with controlling organization, institute
Controlling organization is stated to be connected with the temperature sensor, and the controlling organization is according to the temperature
The temperature of sensor is controlled to the open and-shut mode of the magnetic valve.Valve in the present embodiment
Magnetic valve is, in order to realize the intelligentized control method of heat pump.Can by the controlling organization
Using the mode programming Control such as PLC, or conventional control panel is directly used to be controlled.It is logical
Cross and be connected with the temperature sensor, the first water tank described in the controlling organization monitor in real time
The Temperature numerical of C1, the second water tank C2 levels, and according to default heat supply temperature and
Return water temperature automatically controls corresponding magnetic valve, to realize the first water tank C1 and second
Water tank C2 is replaced alternately to the heat supply end R2 heat supplies by source pump R1
Carry out heating intensification.
Further, heat pump of the invention is by setting rational heat supply temperature and backwater temperature
Degree, enables to the overall Energy Efficiency Ratio of heat pump to maximize.Preferably, first water storage
When heat-transfer medium temperature in tank C1 or the second water tank C2 reaches 45 DEG C~60 DEG C, to described
Heat supply end R2 carries out heat supply；Biography in the first water tank C1 or the second water tank C2
When heat medium temperature is reduced to 30 DEG C~40 DEG C, carry out heating intensification by the source pump R1.
Heat pump of the invention using the big temperature difference exchange heat, supply water temperature reach 45 DEG C~60 DEG C, backwater
Temperature is 30 DEG C~40 DEG C, and the temperature difference is more than 15~20 DEG C.
Further, temperature reaches 45 DEG C~60 DEG C of the storages of the first water tank C1 or second
While any one water tank carries out heat supply in water pot C2, the source pump R1 is to another
Individual water tank is heated.The present invention is using the first water tank C1, the second water tank C2
Alternately heat supply, heat, by storage tank and then enable source pump long-play
In Energy Efficiency Ratio operating mode higher, the Energy Efficiency Ratio of whole system is improve.
Heat pump of the invention can realize that the know-why of above-mentioned operating mode and effect is as follows：
By setting the first water tank C1 and the second water tank C2, and make in water inlet
Heat transfer medium occurs obvious according to thermograde in first water tank C1 and the second water tank C2
Layering；When heat pump runs, the first water tank C1 replaces with the second water tank C2
To the heat supply end R2 heat supplies, while the second water tank C2 and first water tank
C1 is alternately heated by source pump R1.In heating operations, because heat storage can is upper and lower
Layer is layered by thermograde so that heat-transfer medium temperature is stepped up in heat storage can so that heat pump
Working medium exchanges heat state for extended periods at concert pitch in unit, and then enables that source pump is long
Time operates in Energy Efficiency Ratio operating mode higher, improves the Energy Efficiency Ratio of whole system, and then improve
Heating efficiency.
Embodiment 2
The present invention also provides a kind of heat supply method for improving heating efficiency, as shown in figure 1, wherein
Show a kind of preferred embodiment of this heat supply method.
Specifically, the heat supply method includes entering heat supply end R2 using the heat pump
Row heat supply, including the heat pump mechanism being connected with heat supply end R2, the heat pump mechanism include heat
Pump assembly R1, the first water tank C1, the second water tank C2, the first water tank C1,
Second water tank C2 by unit heat supply pipeline, end heat supply pipeline respectively with the heat pump
Unit R1 is connected with heat supply end R2, and the unit heat supply pipeline, end heat supply pipeline are equal
Including water supply line and water return pipeline, valve is equipped with the water supply line and water return pipeline,
The first water pump B1, the second water pump are respectively equipped with the unit heat supply pipeline, end heat supply pipeline
B2。
When the heat pump runs, by being opened and closed the first water tank described in the Valve controlling
C1 to the heat supply end R2 heat supplies, until the temperature reduction in the first water tank C1
To return water temperature, while the second water tank C2 is heated by source pump R1, directly
When rising to heat supply temperature to the temperature in the second water tank C2, second water tank
C2 is to the heat supply end R2 heat supplies；And the first water tank C1 and the second water tank
C2 is to the heat supply end R2 alternately heatings.
Preferably, the source pump R1 heats temperature and rises to confession to the first water tank C1
Time needed for hot temperature is less than or equal to the second water tank C2 to the heat supply end R2
Heat supply temperature be reduced to return water temperature needed for time.Above-mentioned setting can be by calculating water tank
Capacity, the second pump capacity, heat the matching of time and set so that the time of heating is less than
Or equal to heating time.It is highly preferred that in order to obtain optimal effect, it is described heat the time should
When shorter than heating time 5~10 minutes, to obtain heating efficiency higher, the heat is not only caused
Pumping system copes with the demand of area of heat-supply service small-scale modification, while can also be heat pump
Heat supply surplus is left, more extreme temperature environment is coped with.
As shown in figure 1, in heat supply running, the second water tank C2 and described first is stored up
Water pot C1 is alternately heated by source pump R1.Certainly, those skilled in the art should
Understand, first water storage is still either used using the heat supply of the second water tank C2 elder generations
Tank C1 carries out heat supply, and has no effect.
For ease of illustration the course of work of books invention heat supply method, in the present embodiment, with elder generation
Heated using the first water tank C1, the first water tank C1 heat supplies used after heat supply temperature is reached,
And while the first water tank C1 is to the heat supply end R2 heat supplies, source pump
R1 is heated to the second water tank C2；Heat and stored up using described second again after completing
Water pot C2 is to the heat supply end R2 heat supplies, while the source pump R1 is to described first
Water tank C1 is heated, and is and so on circulated, and its specific work process is as follows：
In the present embodiment, using a kind of preferred supply and return water temperature, wherein heat supply temperature is
55 DEG C, return water temperature is 35 DEG C.And by water storage tankage size, the second pump capacity, heat
The match settings of time so that time needed for heating a water tank is less than water tank
Heating time.
Heat pump opens water inlet pipe between the first water tank and source pump when heating first
Valve F3 in road, the valve F5 between the first water tank and source pump in water supply line,
Remaining valve is closed, and opens the source pump R1, the first water pump B1, the heat pump machine
Group R1 starts to heat the first water tank C1.Certainly, those skilled in the art are according to this
The method of invention also can simultaneously open to enter between the second water tank and source pump when heating first
Valve F4 in waterpipe, the valve between the second water tank and source pump in water return pipeline
F6, while being heated to the first water tank C1 and the second water tank C2.
The source pump R1 conducts heat during being heated to the first water tank C1
Medium gradually heats up from top to bottom.When the temperature of the first water tank bottom temp sensor T2 detections
When degree reaches 55 DEG C, the valve in inlet channel between the first water tank and source pump is closed
Valve F5, the second water tank between F3, the first water tank and source pump in water supply line with
Valve F2 between heat supply end in water supply line, backwater between the second water tank and heat supply end
Valve F8 in pipeline, opens the valve in water supply line between the first water tank and heat supply end
Valve F7, the second water tank between F1, the first water tank and heat supply end in water return pipeline with
Valve F4 between source pump in inlet channel, backwater between the second water tank and source pump
Valve F6 in pipeline, and open the second water pump B2.Now the first water tank C1
By the second water pump B2 to the heat supply end R2 heat supplies, while the source pump
R1 is heated to the second water tank C2.
Due to the first water tank C1 by the second water pump B2 to the heat supply end
The continuous heat supplies of R2, under the temperature of heat transfer medium is continuous from the bottom to top in the first water tank C1
Drop, and the temperature of heat transfer medium from top to bottom constantly rises in the second water tank C2.By
In by water storage tankage size, the second pump capacity, the matching for heating the time so that heat one
Time needed for water tank is less than a heating time for water tank, so source pump R1 pairs
The second water tank C2 is heated and first completed.
When the temperature of the second water tank bottom temp sensor T4 detections reaches 55 DEG C, close
Valve F4, the second water tank and heat pump between second water tank and source pump in inlet channel
Valve F6 between unit in water return pipeline, and close source pump R1, the first water pump B1.
Afterwards, because the temperature of heat transfer medium in the first water tank C1 is continuous from the bottom to top
Decline, when the temperature of the first water tank tip temperature sensor T1 detections is reduced to 35 DEG C, close
Close the valve F1 between the first water tank and heat supply end in water supply line, the first water tank and supply
Valve F7 between hot end in water return pipeline, opens and is supplied between the second water tank and heat supply end
Valve F2 in waterpipe, the valve between the second water tank and heat supply end in water return pipeline
F8, and the source pump R1, the first water pump B1 are opened simultaneously.Now operating mode and above-mentioned work
Condition is inverted, and the second water tank C2 is by the second water pump B2 to the heat supply end
R2 heat supplies, while the source pump R1 is heated to the first water tank C1.
Now, due to the second water tank C2 by the second water pump B2 to the confession
The hot continuous heat supplies of end R2, the temperature of heat transfer medium is from the bottom to top in the second water tank C2
Constantly decline, and in the first water tank C1 the temperature of heat transfer medium from top to bottom constantly on
Rise.Due to by water storage tankage size, the second pump capacity, the matching for heating the time so that system
Time needed for a hot water tank is less than a heating time for water tank, so source pump
R1 is heated to the first water tank C1 and first completed.
When the temperature of the first water tank bottom temp sensor T2 detections reaches 55 DEG C, close
Valve F3, the first water tank and heat pump between first water tank and source pump in inlet channel
Valve F5 between unit in water supply line, and close source pump R1, the first water pump B1.
Because the temperature of heat transfer medium in the second water tank C2 constantly declines from the bottom to top,
When the temperature of the second water tank tip temperature sensor T3 detections is reduced to 35 DEG C, second is closed
Valve F2, the second water tank and heat supply end between water tank and heat supply end in water supply line
Between valve F8 in water return pipeline, open water supply line between the first water tank and heat supply end
In valve F1, the valve F7 between the first water tank and heat supply end in water return pipeline, and
Open the source pump R1, the first water pump B1 simultaneously.Now operating mode with again with above-mentioned work
Condition is inverted, and the first water tank C1 is by the second water pump B2 to the heat supply end
R2 heat supplies, while the source pump R1 is heated to the second water tank C2.
Heat supply method of the invention by above-mentioned mode of operation, by being opened and closed the Valve controlling institute
The first water tank C1 is stated to replace with the second water tank C2 to the heat supply end R2 heat supplies, and
And the second water tank C2 and the first water tank C1 is handed over by source pump R1 simultaneously
For being heated, heat demand is realized in continuous reciprocation cycle operation.
Because heat-supplying mode of the invention uses great temperature difference heat supply, water supply, backwater temperature difference are at 20 DEG C
~30 DEG C, so that the flow of the second water pump B2 is very small, and then cause described second
The energy consumption of water pump B2 is extremely low, is conducive to improving the overall Energy Efficiency Ratio of heating system, improves heat supply
Efficiency.
Certainly, if those skilled in the art are it is to be understood that time needed for heating a water tank
Equal to a heating time for water tank, then source pump R1 to the first water tank C1 or
Second water tank C2 is heated with the second water tank C2 or the first water tank C1 to heat supply end
R2 heat supplies are completed simultaneously.Now, system operation mode is essentially identical with the above-mentioned method of operation, its
Difference is only in that the source pump R1, the first water pump B1 run always, and valve
Door is turned off or on respectively on all heat supply pipelines and all water return pipelines, and control is more simple,
The above-mentioned course of work is referred to, be will not be repeated here.
Heat supply is carried out to heat supply end by using heat supply method of the invention, compared to routine
The mode that heat pump is directly connected with heat supply end, not only enables source pump long-play
In Energy Efficiency Ratio operating mode higher, and the load of terminal water pump can be significantly reduced so that whole
The Energy Efficiency Ratio of heating system is further improved.
Finally it should be noted that:The above embodiments are merely illustrative of the technical solutions of the present invention and
It is non-that it is limited；It is affiliated although being described in detail to the present invention with reference to preferred embodiment
The those of ordinary skill in field should be understood：Specific embodiment of the invention can still be entered
Row modification carries out equivalent to some technical characteristics；Without deviating from technical solution of the present invention
Spirit, it all should cover in the middle of claimed technical scheme scope of the invention.
Claims (10)
1. it is a kind of to improve the heat pump of heating efficiency, including be connected with heat supply end (R2)
Heat pump mechanism, it is characterised in that：The heat pump mechanism includes source pump (R1), first
Water tank (C1), the second water tank (C2), first water tank (C1), second
Water tank (C2) by unit heat supply pipeline, end heat supply pipeline respectively with the heat pump machine
Group (R1) is connected with heat supply end (R2), the unit heat supply pipeline, end heating tube
Road includes water supply line and water return pipeline, and valve is equipped with the water supply line and water return pipeline
Door, be respectively equipped with the unit heat supply pipeline, end heat supply pipeline the first water pump (B1),
Second water pump (B2)；When first water tank (C1) is to the heat supply end (R2)
During heat supply, the source pump (R1) heats to second water tank (C2).
2. heat pump according to claim 1, it is characterised in that：First storage
Top, bottom in water pot (C1) and the second water tank (C2) are equipped with water-locator.
3. heat pump according to claim 1, it is characterised in that：First storage
At least two pieces dividing plates are staggeredly equipped with water pot (C1) and the second water tank (C2), and
Internal diameter of the width of the dividing plate less than water tank.
4. the heat pump according to Claims 2 or 3, it is characterised in that：Described
The top of one water tank (C1) and the second water tank (C2), bottom are equipped with temperature sensor.
5. heat pump according to claim 4, it is characterised in that：The valve is equal
It is magnetic valve, the magnetic valve is connected with controlling organization, the controlling organization is passed with the temperature
Sensor is connected, and the controlling organization according to the temperature of the temperature sensor to the electromagnetism
The open and-shut mode of valve is controlled.
6. heat pump according to claim 1, it is characterised in that：First storage
Heat-transfer medium temperature in water pot (C1) or the second water tank (C2) reaches setting heat supply temperature
When, heat supply is carried out to the heat supply end (R2)；First water tank (C1) or second
When heat-transfer medium temperature in water tank (C2) is reduced to setting return water temperature, the source pump
(R1) first water tank (C1) or the second water tank (C2) are heated.
7. heat pump according to claim 6, it is characterised in that：First storage
When heat-transfer medium temperature in water pot (C1) or the second water tank (C2) reaches 45 DEG C~60 DEG C,
Heat supply is carried out to the heat supply end (R2)；First water tank (C1) or the second water storage
When heat-transfer medium temperature in tank (C2) is reduced to 30 DEG C~40 DEG C, the source pump (R1)
First water tank (C1) or the second water tank (C2) are heated.
8. heat pump according to claim 7, it is characterised in that：Temperature reaches 45 DEG C
Any one water storage in~60 DEG C of first water tank (C1) or the second water tank (C2)
While tank carries out heat supply, the source pump (R1) heats to another water tank.
9. a kind of heat supply method for improving heating efficiency, the heat supply method is included using above-mentioned
Heat pump described in any one claim is carried out to heat supply end (R2) in claim
Heat supply, it is characterised in that：When the heat pump runs, by being opened and closed the Valve controlling
First water tank (C1) to the heat supply end (R2) heat supply, until the described first storage
Temperature in water pot (C1) is reduced to return water temperature, while second water tank (C2) is logical
Cross source pump (R1) to be heated, until in the temperature in second water tank (C2)
When being raised to heat supply temperature, second water tank (C2) is to the heat supply end (R2) heat supply；
And first water tank (C1) is with the second water tank (C2) to the heat supply end (R2)
Alternately heating.
10. heat supply method according to claim 9, it is characterised in that：The heat pump machine
The time that group (R1) is heated needed for temperature rises to heat supply temperature to the first water tank (C1) is small
Reduced to heat supply end (R2) heat supply temperature in or equal to second water tank (C2)
Time to needed for return water temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510917680.8A CN106871214A (en) | 2015-12-10 | 2015-12-10 | A kind of heat pump and heat supply method for improving heating efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510917680.8A CN106871214A (en) | 2015-12-10 | 2015-12-10 | A kind of heat pump and heat supply method for improving heating efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106871214A true CN106871214A (en) | 2017-06-20 |
Family
ID=59177248
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510917680.8A Pending CN106871214A (en) | 2015-12-10 | 2015-12-10 | A kind of heat pump and heat supply method for improving heating efficiency |
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| CN (1) | CN106871214A (en) |
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Application publication date: 20170620 |