CN208871709U - A carbon dioxide air source heat pump assisted solar energy combined heating system - Google Patents
A carbon dioxide air source heat pump assisted solar energy combined heating system Download PDFInfo
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- CN208871709U CN208871709U CN201821417288.2U CN201821417288U CN208871709U CN 208871709 U CN208871709 U CN 208871709U CN 201821417288 U CN201821417288 U CN 201821417288U CN 208871709 U CN208871709 U CN 208871709U
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- carbon dioxide
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 171
- 238000010438 heat treatment Methods 0.000 title claims abstract description 95
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 86
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 85
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 449
- 239000003507 refrigerant Substances 0.000 claims abstract description 48
- 238000003860 storage Methods 0.000 claims description 81
- 239000007788 liquid Substances 0.000 claims description 26
- 238000005338 heat storage Methods 0.000 claims description 17
- 238000009825 accumulation Methods 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 15
- 229960004424 carbon dioxide Drugs 0.000 description 73
- 239000007789 gas Substances 0.000 description 22
- 230000008901 benefit Effects 0.000 description 9
- 238000013517 stratification Methods 0.000 description 7
- 230000007613 environmental effect Effects 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 5
- 238000004134 energy conservation Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 231100000252 nontoxic Toxicity 0.000 description 3
- 230000003000 nontoxic effect Effects 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- GCNLQHANGFOQKY-UHFFFAOYSA-N [C+4].[O-2].[O-2].[Ti+4] Chemical compound [C+4].[O-2].[O-2].[Ti+4] GCNLQHANGFOQKY-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000008234 soft water Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- QUWBSOKSBWAQER-UHFFFAOYSA-N [C].O=C=O Chemical compound [C].O=C=O QUWBSOKSBWAQER-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 208000016253 exhaustion Diseases 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- -1 non-corrosive Substances 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 239000004408 titanium dioxide 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses a kind of carbon dioxide air source heat pumps to assist solar association heating system, it include: solar water heating system, for being formed in the interior thereof the water circulated, and external solar energy is acquired in real time, after being heated using solar energy to water, the water after conveying heating gives heat output system；Carbon dioxide air source heat pump hot-water system, for being formed in the interior thereof the water circulated, and utilizes carbon dioxide as refrigerant, absorbs the heat in outside air, and after then heating to water, the water after conveying heating gives heat output system；Heat output system, it is connected respectively with solar water heating system and carbon dioxide air source heat pump hot-water system, for receiving the water after the heating that solar water heating system and/or carbon dioxide air source heat pump hot-water system are exported, then to needing the space of heat supply to distribute heat, heat supply is realized.The utility model is energy-efficient, can stablize, reliably carry out heat supply, has good heating effect.
Description
Technical field
The utility model relates to heat pump heat supply technical fields, too more particularly to a kind of carbon dioxide air source heat pump auxiliary
Positive energy combining heating system.
Background technique
Currently, for traditional heating system, by utilizing conventional fossil energy (such as coal, petroleum and natural
Gas) heat that is discharged after combustion, to be heated to water, to be user's hot-water supply.It is traditional during herein
The pollutant that heating system is discharged is (such as: CO, SO2And dust etc.), it will it is seriously destroyed caused by environment, to people's
Health adversely affects.
In addition, the fossil energy that traditional heating system uses, is non-renewable energy resources, and it eventually can be exhausted, seriously increase
The energy burden of country,
Therefore, there is an urgent need to develop a kind of devices out at present, energy-efficient, do not pollute the environment, can stablize, reliably
Ground carries out heat supply, has good heating effect.
Utility model content
In view of this, the purpose of the utility model is to provide a kind of carbon dioxide air source heat pump auxiliary solar associations to supply
Hot systems, it is energy-efficient, it does not pollute the environment, can stablize, reliably carry out heat supply, there is good heating effect, have
Conducive to popularization and application, it is of great practical significance.
For this purpose, the utility model provides a kind of carbon dioxide air source heat pump auxiliary solar association heating system, packet
Include solar water heating system, carbon dioxide air source heat pump hot-water system and heat output system, in which:
Solar water heating system for being formed in the interior thereof the water circulated, and acquires external solar energy, benefit in real time
After being heated with solar energy to water, the water after conveying heating gives heat output system；
Carbon dioxide air source heat pump hot-water system for being formed in the interior thereof the water circulated, and utilizes titanium dioxide
Carbon absorbs the heat in outside air as refrigerant, and after then heating to water, the water after conveying heating is exported to heat is
System；
Heat output system is connected with solar water heating system and carbon dioxide air source heat pump hot-water system respectively,
For receiving the water after the heating that solar water heating system and/or carbon dioxide air source heat pump hot-water system are exported, then
To needing the space of heat supply to distribute heat, heat supply is realized.
Wherein, the heat output system includes hollow hot water storage tank and fan coil, in which:
Water is stored in advance in the hot water storage tank, the hot water storage tank is disposed vertically；
The upper and lower ends of the fan coil pass through first pipe and second pipe respectively and are connected with the hot water storage tank.
Wherein, the height for the position that the first pipe and second pipe are connected with the hot water storage tank, lower than described
Water level in hot water storage tank.
Wherein, the solar water heating system includes solar thermal collector, air diffuser and the first hot water thermal insulating water circulating pump,
Wherein:
The water inlet of the solar thermal collector with and the water outlet of the first hot water thermal insulating water circulating pump left end be connected；
The water outlet of the solar thermal collector is connected with air diffuser；
The air diffuser is located at the hot water storage tank inner upper；
The water outlet phase of the water inlet of the first hot water thermal insulating water circulating pump right end and lower end on the left of the hot water storage tank
Connection.
Wherein, carbon dioxide air source heat pump hot-water system include heat exchange coil, the second hot water thermal insulating water circulating pump,
Heat storage water tank, gas cooler, the first water tank, regenerator, evaporator, gas-liquid separator and compressor, are located therein:
The heat exchange coil vertical distribution is inside hot water storage tank；
The water inlet on the heat exchange coil top is connected with the water outlet of heat storage water tank；
The water inlet of the heat storage water tank is connected with the water outlet at the top of gas cooler left end；
The water inlet of gas cooler left end bottom is connected with the water outlet of the second hot water thermal insulating water circulating pump right end
It is logical；
The water inlet of the second hot water thermal insulating water circulating pump left end is connected with the water outlet of the first water tank right end；
The water inlet of first water tank left end is connected with the water outlet of the heat exchange coil bottom end；
Refrigerant outlet and the first refrigerant inlet phase of regenerator left upper part at the top of the gas cooler right end
Connection；
The refrigerant inlet of gas cooler right end bottom is connected with the refrigerant outlet of compressor left end；
The refrigerant inlet of the compressor right end is gone out by gas-liquid separator and regenerator left end lower part second refrigerant
Mouth is connected；
First refrigerant outlet on regenerator right end top is connected with the refrigerant inlet of evaporator left end；
The refrigerant outlet of the evaporator right end is connected with the second refrigerant import of regenerator right end lower part.
Wherein, the refrigerant inlet of first refrigerant outlet on regenerator right end top and the evaporator left end it
Between connecting pipe on be provided with throttle valve.
Wherein, the front-right of the evaporator is arranged at intervals with a blower.
Wherein, the position of the air diffuser, higher than the top upper limit position of heat exchange coil；
The water outlet position of lower end on the left of the hot water storage tank, higher than the bottom lower position of heat exchange coil.
It wherein, further include control system, which includes: multiple electric switching valves, temperature sensor, pressure sensing
Device, liquid level sensor and central controller, in which:
Temperature sensor, pressure sensor and liquid level sensor are located in the hot water storage tank；
The water inlet of the heat storage water tank, the first hot water thermal insulating water circulating pump, the second hot water thermal insulating water circulating pump and air diffuser
On the pipeline that mouth is connected, it is respectively arranged with an electric switching valve；
Central controller is connected with electric switching valve, temperature sensor, pressure sensor and liquid level sensor respectively,
The hydraulic pressure for the hot water storage tank that the water temperature for the hot water storage tank sent for real-time reception temperature sensor, pressure sensor are sent and
The water level value in hot water storage tank that liquid level sensor is sent, then, according to the water temperature, pressure and water level value of hot water storage tank, hair
Send preset control signal to the first hot water thermal insulating water circulating pump, the second hot water thermal insulating water circulating pump and corresponding motor switch
Valve controls the first hot water thermal insulating water circulating pump and the second start and stop of hot water thermal insulating water circulating pump and opening for electric switching valve respectively
Degree.
By the above technical solution provided by the utility model as it can be seen that compared with prior art, the utility model provides
A kind of carbon dioxide air source heat pump assists solar association heating system, energy-efficient, does not pollute the environment, Neng Gouwen
Determine, reliably carry out heat supply, there is good heating effect, be conducive to promote and apply, be of great practical significance.
Detailed description of the invention
Fig. 1 is the knot that a kind of carbon dioxide air source heat pump provided by the utility model assists solar association heating system
Structure schematic diagram；
In figure, 1 is solar thermal collector；2 be hot water storage tank；3 be air diffuser；4 be heat exchange coil；5 be fan coil；
61 be the first hot water thermal insulating water circulating pump, and 62 be the second hot water thermal insulating water circulating pump；7 be heat storage water tank；8 be gas
Cooler；9 be the first water tank；10 be regenerator；
11 be throttle valve；12 be evaporator；13 be blower；14 be gas-liquid separator；15 be compressor.
Specific embodiment
In order to make those skilled in the art better understand the scheme of the utility model, with reference to the accompanying drawing and embodiment
The utility model is described in further detail.
Referring to Fig. 1, the utility model provides a kind of carbon dioxide air source heat pump auxiliary solar association heating system,
Including solar water heating system, carbon dioxide air source heat pump hot-water system and heat output system, in which:
Solar water heating system for being formed in the interior thereof the water circulated, and acquires external solar energy, benefit in real time
After being heated with solar energy to water, the water after conveying heating gives heat output system；
Carbon dioxide air source heat pump hot-water system for being formed in the interior thereof the water circulated, and utilizes titanium dioxide
Carbon absorbs the heat in outside air as refrigerant, and after then heating to water, the water after conveying heating is exported to heat is
System；
Heat output system is connected with solar water heating system and carbon dioxide air source heat pump hot-water system respectively,
For receiving the water after the heating that solar water heating system and/or carbon dioxide air source heat pump hot-water system are exported, then
To needing the space (such as room of user) of heat supply to distribute heat, to realize the purpose of heat supply.
It is by refrigerant (such as titanium dioxide it should be noted that for carbon dioxide air source heat pump hot-water system
Carbon carbon dioxide) recycle, by the compression of refrigerant, cooling, expansion and evaporation, to realize the heating operation to water,
To realize energy transfer.
In the present invention, the heat output system includes hollow hot water storage tank 2 and fan coil 5, in which:
It is stored in advance in the hot water storage tank 2 water (such as pure water), the hot water storage tank 2 is disposed vertically；
The upper and lower ends of the fan coil 5 pass through first pipe 51 and second pipe 52 and the hot water storage tank 2 respectively
It is connected；
The height for the position that the first pipe 51 and second pipe 52 are connected with the hot water storage tank 2, lower than described
Water level in hot water storage tank 2.
In the present invention, the solar water heating system includes solar thermal collector 1, air diffuser 3 and the first hot water
Soak cycles water pump 61, in which:
The water inlet of the solar thermal collector 1 with and the water outlet of 61 left end of the first hot water thermal insulating water circulating pump be connected
(passing through hollow pipeline)；
The water outlet of the solar thermal collector 1 is connected with air diffuser 3；
The air diffuser 3 is located at 2 inner upper of hot water storage tank；
The water outlet of the water inlet of first hot water thermal insulating water circulating pump, 61 right end and the 2 left side lower end of hot water storage tank
It is connected.
In specific implementation, the solar thermal collector can be the solar thermal collector of any one existing function admirable,
There are multiple solar heat-collection plates thereon.
In the present invention, carbon dioxide air source heat pump hot-water system includes heat exchange coil 4, the second hot water guarantor
Warm water circulating pump 62, heat storage water tank 7, gas cooler 8, the first water tank 9, regenerator 10, evaporator 12,14 and of gas-liquid separator
Compressor 15, is located therein:
4 vertical distribution of heat exchange coil is inside hot water storage tank 2；
The water inlet on 4 top of heat exchange coil is connected with the water outlet of heat storage water tank 7；
The water inlet of the heat storage water tank 7 is connected with the water outlet at the top of 8 left end of gas cooler；
The water outlet phase of the water inlet and 62 right end of the second hot water thermal insulating water circulating pump of the 8 left end bottom of gas cooler
Connection；
The water inlet of second hot water thermal insulating water circulating pump, 62 left end is connected with the water outlet of 9 right end of the first water tank；
The water inlet of first water tank, 9 left end is connected with the water outlet of 4 bottom end of heat exchange coil；
First refrigerant inlet of refrigerant outlet and 10 left upper part of regenerator at the top of 8 right end of gas cooler
It is connected；
The refrigerant inlet of the 8 right end bottom of gas cooler is connected with the refrigerant outlet of 15 left end of compressor；
The refrigerant inlet of 15 right end of compressor is made by gas-liquid separator 14 and 10 left end lower part second of regenerator
Cryogen outlet is connected；
First refrigerant outlet on the 10 right end top of regenerator is connected with the refrigerant inlet of 12 left end of evaporator；
The second refrigerant import phase of the refrigerant outlet of 12 right end of evaporator and the 10 right end lower part of regenerator
Connection.
It should be noted that for carbon dioxide air source heat pump hot-water system, using carbon dioxide as refrigerant, from
Draw heat in air, heat cycles water, the second hot water thermal insulating water circulating pump 62 have certain thermal insulation property, can be by hot water
Hot water circuit is realized from low level to a high position, it is energy-efficient.
It should be noted that the gas cooler 8, it can be by heat exchange coil, the first water tank, heat storage water tank and the second heat
The series connection of water soak cycles water pump, thus by the heat transfer of carbon dioxide air source heat pump system hot water preparing to heat exchange coil 4,
It exchanges heat again with the water body in hot water storage tank 2, the fan coil at user equipment end is supplied, to need the sky of heat supply to user
Between (such as the room of user) heat supply is carried out, realize good heating effect.Therefore, the utility model may be implemented low in air
The utilization of grade thermal energy, energy conservation and environmental protection.
In specific implementation, first refrigerant outlet on the 10 right end top of regenerator and the system of 12 left end of evaporator
Throttle valve 11 is provided in connecting pipe between cryogen import.
In specific implementation, the front-right of the evaporator 12 is arranged at intervals with a blower 13, and evaporator 12 can be enhanced
Endothermic effect.
In the present invention, in specific implementation, (i.e. solar water heating system pipeline goes out for the position of the air diffuser 3
Mouth of a river position), higher than the top upper limit position of heat exchange coil 4.
It should be noted that for the utility model, it can be by structure, the installation site of improvement air diffuser, to reduce
Water disturbance in hot water storage tank exchanges heat, so that the temperature in water tank be promoted further to be layered, is beneficial to energy conservation.
In the present invention, in specific implementation, water outlet position (the i.e. solar energy of the 2 left side lower end of hot water storage tank
The water inlet of hot-water heating system pipeline), higher than the bottom lower position of heat exchange coil 4.
It should be noted that heat exchange coil 4, be arranged inside hot water storage tank 2, the top upper limit position of heat exchange coil 4 and
Bottom lower position is spaced preset distance, carbon dioxide air source Heat Pump with the top and bottom of hot water storage tank 2 respectively
The hot water of water system passes through from heat exchange coil 4, exchanges heat with the water body in hot water storage tank 2.
In the present invention, the outside of heat storage water tank 7 has insulating layer, so as to reduce heat loss.
It should be noted that being hollow by one section between the interconnected component of any two for the utility model
Pipeline be connected.
It should be noted that for the utility model, solar water heating system and carbon dioxide air source Heat Pump water system
System is arranged in parallel and provides heat source (water after providing heating) for hot water storage tank 2, when heated, preferentially uses solar water
System heat supply, when the solar energy of acquisition is inadequate and daily using in the preset period before system, if hot water storage tank 2
When the coolant-temperature gage of interior supply is not up to set temperature, at this moment, the heat pump hot-water system heat supply of carbon dioxide air source is enabled.
In the present invention, in specific implementation, the hot water storage tank 2 is preferably vertical layering hot water storage tank, for circle
Column type, ratio of height to diameter (i.e. height and diameter ratio) are equal to 4:1.The hot water storage tank 2 connects the fan coil 5 at user equipment end,
For supplying the hot water applied to heating to user.
It should be noted that hot water is sent into hot water storage tank 2 by air diffuser 3 in solar water heating system, by temperature
Hot water can be layered by degree, can be accessed fan coil 5 in the tank height for meeting user hot water temperature, be supplied for user
Hot water；In the heat pump hot-water system of carbon dioxide air source, hot water passes through the heat exchange coil 4 and accumulation of heat water set in hot water storage tank 2
Water body in case 2 is exchanged heat, is layered, and can be accessed fan coil 5 in the tank height for meeting user hot water temperature, is user
Hot-water supply.
For the utility model, can have the characteristic of different thermal stratifications, ratio of height to diameter 4:1 according to ratio of height to diameter difference
Vertical layering hot water storage tank, thermal stratification effect is best；Inside has to be connected with carbon dioxide air source heat pump hot-water system
The heat exchange coil connect can promote vertical layering accumulation of heat by structural parameters such as diameter, the upper and lower extreme positions of adjusting heat exchange coil
Water temperature in water tank is further layered, and keeps this system efficient, energy saving.
In the present invention, in specific implementation, the solar water heating system and carbon dioxide air source heat-pump hot-water
For flowing through the pipeline of water in system, it is respectively arranged with flowmeter, by the setting of flowmeter, can quantitative determine and flow through
Water.
In the present invention, in specific implementation, the solar water heating system and carbon dioxide air source heat-pump hot-water
For flowing through the pipeline of water in system, it is additionally provided with cold water balance boiler, the setting of boiler, Ke Yiping are balanced by cold water
The hot water water temperature to weigh in the hot water storage tank 2, convenient for adjusting.
In the present invention, it should be noted that in the system of the utility model, setting is dividing the air diffuser 3
Close to the part of internal chamber wall, effect is the water disturbance of high-temperature region in reduction water tank for the high-temperature region on layer hot water storage tank top, thus
Promote tank temperature stratification, mainly the water body of the high-temperature region of hot water storage tank internal upper part is handled；First hot water is protected
Warm water circulating pump and the second hot water thermal insulating water circulating pump are respectively provided at solar water heating system and CO2Air source heat pump hot water system
Pipeline in, pipeline water is handled, its role is to ensure that two systems being capable of independent operating and can be by corresponding electricity
Dynamic valve carries out opening and closing operation to two water pumps；Entering at compressor 15 (i.e. gas compressor) is arranged in the gas-liquid separator 14
Mouthful, it is used for gas-liquid separation, is fractionated gas phase demisting after tower top condensate cooler, various gas scrubbing towers, absorption tower and Analytic Tower
Gas phase demisting etc..
It should be noted that under normal conditions, the temperature of water is higher, and density is smaller, also lighter, hot water is located at cold water
Top, in a hot water storage tank 2, the temperature of the higher water in position is relatively higher.The water body temperature of 2 internal upper part of hot water storage tank
Degree, higher than the water temperature of lower part.
In specific implementation, the gas cooler 8 can use existing aerial cooler；The regenerator 10 can be adopted
With existing regenerator, it is existing equipment that regenerator 10, which is also known as gas-liquid heat exchanger, be can make refrigerant liquid supercooling and
A kind of heat-exchange apparatus of steam superheating can use existing regenerator.The first hot water thermal insulating water circulating pump 61 and
Two hot water thermal insulating water circulating pumps 62 can use existing water circulating pump, as long as meeting the power requirement of system.
In the present invention, in specific implementation, carbon dioxide air source provided by the utility model heat pump is assisted
Solar association heating system further includes control system, the control system include: multiple electric switching valves, temperature sensor,
Pressure sensor, liquid level sensor and central controller, in which:
Temperature sensor, pressure sensor and liquid level sensor are located in the hot water storage tank 2, wherein pressure sensor
It is particularly located at the bottom of hot water storage tank 2；The liquid level sensor can be pressure liquid level sensor, be vertically mounted on accumulation of heat water
The lower part of water body in case 2；Temperature sensor is placed in the water body in hot water storage tank 2；
The heat storage water tank 7, the first hot water thermal insulating water circulating pump 61, the second hot water thermal insulating water circulating pump 62 and air diffuser 3
The pipeline that is connected of water inlet on, an electric switching valve is respectively arranged with, for controlling being switched on or off for pipeline；
Central controller is established signal with electric switching valve, temperature sensor, pressure sensor and liquid level sensor and is connected
It connects, the water for the hot water storage tank 2 that the water temperature for the hot water storage tank 2 sent for real-time reception temperature sensor, pressure sensor are sent
The water level value in hot water storage tank 2 that pressure and liquid level sensor are sent, then, according to the water temperature, pressure and water of hot water storage tank 2
Place value sends preset control signal to the first hot water thermal insulating water circulating pump 61, the second hot water thermal insulating water circulating pump 62 and right
The electric switching valve answered, control respectively the start and stop of the first hot water thermal insulating water circulating pump 61 and the second hot water thermal insulating water circulating pump 62 with
And the aperture of electric switching valve, to can realize to carbon dioxide air source heat pump system, solar water heating system independent operating
Intelligent control, can also to two systems simultaneously run control.
In specific implementation, central controller can be programmable controller PLC, central processor CPU, Digital Signal Processing
Device DSP or single-chip microprocessor MCU.
In the present invention, carbon dioxide air source heat pump hot-water system is more suitable for using in cold district and unit is transported
Line efficiency is high, and under identical operating condition, carbon dioxide air source heat pump is more much higher than conventional boiler efficiency.Meanwhile carbon dioxide
It is nontoxic as natural refrigerant, non-corrosive, chemical property is stable, on ozone layer without influence, critical-temperature is low, and need work
Pressure is high, therefore carbon dioxide can be applied in special environment, and use scope is wider.This makes carbon dioxide air source heat pump
Hot-water heating system low energy consumption, environmental protection, heat transfer efficiency are high, are applicable in various harsh environments.
It should be noted that for the utility model, by using above-mentioned technical proposal, by solar water heating system,
Carbon dioxide air source heat pump hot-water system is arranged in parallel, and is combined and is heated for the water body in vertical layering hot water storage tank, and passes through
Control system control, three open and close in due course according to temperature, pressure and the liquid level condition detected in vertical layering hot water storage tank, reach
It is accurate it is efficient must heat water body and energy-saving and environment-friendly effect, meanwhile, by the combination of solar thermal collector and heat pump, mention
The high flexibility of system, compensates for that solar energy is poor as single source reliability, collector area is big, summer system maintenance is stranded
Difficult disadvantage.
It should be noted that being used as the heat pump united heating of solar energy and carbon dioxide air source for the utility model
System, energy source are solar energy and air energy, and the dustiness to environment is zero, and refrigerant carbon dioxide is compared to freon
Equal refrigerants, it may have the advantages of natural environmental-protective.
Compared to regular air source heat pump in the application of cold district, carbon dioxide air source heat pump is because carbon dioxide is in height
The lower chemical property stable performance advantage of temperature, heat pump leaving water temperature is up to 90 DEG C, much higher than the leaving water temperature of other working medium heat pumps,
The heat exchange being more advantageous in stratified water tanks, therefore carbon dioxide air source heat pump is more suitable for using in cold district, and unit is run
It is high-efficient.
Therefore, compared with traditional heating system, the utility model have energy-saving and environmental protection, operational efficiency be higher, operation more
The advantages such as stable.A kind of Heat production of the utility model as comprehensive utilization solar energy and air energy.Pass through solar energy heating
The combination of device, stratified water tanks and heat pump not only increases the flexibility of system, improves effective benefit of solar energy and air energy
With rate, and compensate for the solar energy disadvantage poor as single source reliability.
For the utility model, the energy solar energy used, as the representative in renewable energy, there is no exhaustions to ask
Topic, also without the pollutant injury caused by environment discharged after conventional fossil energy burning, solar heat-collection plate can also root
It is added according to demand, it is convenient to be applicable in, and energy conservation and environmental protection, low energy consumption.And under identical operating condition, carbon dioxide air source heat pump is than tradition
Boiler efficiency it is much higher.So the utility model passes through the combination of solar energy and carbon dioxide air source heat pump, effectively save
The about energy.
In the present invention, for carbon dioxide air source heat pump hot-water system, its working principle is that: low-temp low-pressure
Carbon dioxide gas be compressed in compressor 15 it is overcritical, it is cooling into cooled medium in gas cooler 8, leave gas
After body cooler 8, high pressure gas further cools down in regenerator 10, after then carbon dioxide gas flows through throttle valve 11, temperature
Degree decline, is partially liquefied, and moist steam, which enters in evaporator 12, to be vaporized, and the low-pressure saturated steam come out in evaporator 12 enters back
Hot device 10 absorbs on high-tension side supercritical fluid in low pressure wing passage, and after absorption, the steam for becoming overheat enters 15 liters of compressor
Press temperature raising.Iterative cycles carry out.
For the utility model, it should be noted that the carbon dioxide air source heat pump assists solar association heat supply system
System, there are four types of operational modes altogether:
1, solar water heating system isolated operation mode.In the daytime when solar energy abundance, solar thermal collector starts to collect
Thermal energy is converted into the heat of water, flows to end according to control model by the circulatory system, while air source heat pump is opened, and is closed
Heat exchange coil, the heat storage that carbon dioxide air source heat pump hot-water system is collected is in heat storage water tank 7, for night use；
2, carbon dioxide air source heat pump hot-water system isolated operation mode.When night solar energy can not utilize, open
Heat exchange coil closes carbon dioxide air source heat pump, and carbon dioxide air on daytime source heat pump hot-water system is collected in water storage
The hot water of case 7, supply layering hot water storage tank 2, gives user's heat supply；
3, solar water heating system and carbon dioxide air source heat pump hot-water system combined operation approach.When morning, dusk
Or solar energy is poor in the daytime, the heat that the sun provides is less, can not reach the requirement of direct terminad heat supply, at this point, two
Carbonoxide air source heat pump hot water system is opened, and while participating in heat supply, continues into the hot water storage tank 2 of layering heat accumulation so as to night
Between use, two systems combined operating reaches heat supply purpose；
4, the operational mode of heat exchange coil heat supply.When night or continuous rainy weather, without solar energy resources for
It utilizes, carbon dioxide air source heat pump hot-water system isolated operation heat supply at this time.And because the heat pump mainly utilizes air energy,
So the advantages of being higher than night using air themperature in the daytime as far as possible continues to store up into hot water storage tank 2 while heating on daytime
Heat reduces the time of night operation of heat pump so as to night use, to improve the efficiency of entire unit thermal energy conversion.
Based on above technical scheme it is found that assisting solar energy for carbon dioxide air source provided by the utility model heat pump
Combining heating system, with innovative point below:
1, the system includes four kinds of operational modes: solar water heating system isolated operation, carbon dioxide air source Heat Pump
Water system isolated operation, solar water heating system and carbon dioxide air source heat pump hot-water system combined operating, heat exchange coil supply
Therefore the operational mode of heat takes full advantage of solar energy and air energy, reached reliable heat supply, efficiently section by control system
The effect of energy.
2, the vertical layering hot water storage tank in solar water heating system has different thermal stratifications according to ratio of height to diameter difference
Characteristic, ratio of height to diameter can be used for 4 vertical layering hot water storage tank, thermal stratification effect is best；
3, the vertical layering hot water storage tank in solar water heating system, inside have and carbon dioxide air source heat-pump hot-water
The heat exchange coil of system connection, the structural parameters such as the diameter of adjustable heat exchange coil, upper and lower extreme position promote vertical layering to store
Water temperature in boiler is further layered；
4, the vertical layering hot water storage tank in solar water heating system, it is not necessary that water whole in boiler are heated to user institute
Temperature is needed, meets accessing user's fan coil port temperature and reaches setting value.
5, the air diffuser in solar water heating system, can be vertical to reduce by structure, the installation site of improvement air diffuser
Water disturbance in formula layering hot water storage tank exchanges heat, to promote the thermal stratification in water tank；
6, the refrigerant carbon dioxide in the heat pump hot-water system of carbon dioxide air source under the high temperature conditions stablize by chemical property,
Therefore carbon dioxide air source heat pump hot-water system uses soft water in this system, fouling rate is reduced, and lifetime of system extends, energy-saving ring
It protects；
7, the solar energy in solar water heating system, the air in the heat pump hot-water system of carbon dioxide air source can be clear
The clean energy, refrigerant carbon dioxide depletion of the ozone layer potential (ODP) is zero, safe and non-toxic, natural environmental-protective.
Compared with existing traditional heating system, carbon dioxide air source provided by the utility model heat pump is assisted
Solar association heating system, with advantageous effects below:
1, solar water heating system, carbon dioxide air source heat pump hot-water system joint are in vertical layering hot water storage tank
Water body heating, and controlled by control system, three's foundation system operation situation opens and closes in due course, and having reached accurate efficient must heat
Water body and energy-saving and environment-friendly effect, while the combination of solar thermal collector and heat pump, improve the flexibility of system, make up
Solar energy is poor as single source reliability, collector area is big, summer system maintenance difficulty disadvantage；
2, the low energy consumption of carbon dioxide air source heat pump hot-water system, environmental protection, heat transfer efficiency are high, are applicable in various harsh rings
Border.Identical operating condition carbon dioxide air source heat pump is more much higher than conventional boiler efficiency, using carbon dioxide air source heat pump,
The utilization of air middle-low grade thermal energy, energy conservation and environmental protection may be implemented；
3, the refrigerant carbon dioxide in the heat pump hot-water system of carbon dioxide air source is nontoxic as natural refrigerant, corrosion-free
Property, on ozone layer without influence, chemical property is stablized under the high temperature conditions, therefore carbon dioxide air source Heat Pump water system in this system
System uses soft water, and fouling rate is few, extends this system service life；
4, the ratio of height to diameter that this system uses is best for the vertical layering hot water storage tank thermal stratification effect of 4:1；It can lead to simultaneously
The structural parameters such as diameter, the upper and lower extreme position of vertical layering hot water storage tank internal heat coil pipe are overregulated, vertical layering is promoted to store
Water temperature in boiler is further layered；
5, the vertical layering hot water storage tank in this system solar water heating system, without being heated to water whole in boiler
User's required temperature meets accessing user's fan coil port temperature and reaches setting value.
6, this system can be by structure, the installation site of improvement air diffuser, to reduce the water in vertical layering hot water storage tank
Body disturbance exchanges heat, so that the temperature in water tank be promoted further to be layered；
7, the heating system in this system: solar water heating system, carbon dioxide air source heat pump hot-water system are parallel connection
Setting, therefore the two can also can be run simultaneously with independent operating, it is energy-efficient；
8, solar energy is renewable energy, and there is no exhausted problems, is discharged after also burning without conventional fossil energy
Pollutant is injured caused by environment, and solar heat-collection plate can also be added according to demand, and it is convenient to be applicable in, and low energy consumption；
9, the application of control system, having the utility model, low energy consumption, high-efficient, precision is high, application is stronger, is applicable in
The wide feature performance benefit of range.
In conclusion compared with prior art, heat pump auxiliary in a kind of carbon dioxide air source provided by the utility model
Solar association heating system, it is energy-efficient, it does not pollute the environment, can stablize, reliably carry out heat supply, have good
Heating effect is conducive to promote and apply, be of great practical significance.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (9)
1. a kind of carbon dioxide air source heat pump assists solar association heating system, which is characterized in that including solar water
System, carbon dioxide air source heat pump hot-water system and heat output system, in which:
Solar water heating system for being formed in the interior thereof the water circulated, and acquires external solar energy, using too in real time
After sun can heat water, the water after conveying heating gives heat output system；
Carbon dioxide air source heat pump hot-water system is made for being formed in the interior thereof the water circulated, and using carbon dioxide
For refrigerant, the heat in outside air is absorbed, after then heating to water, the water after conveying heating gives heat output system；
Heat output system is connected with solar water heating system and carbon dioxide air source heat pump hot-water system respectively, is used for
Water after receiving the heating that solar water heating system and/or carbon dioxide air source heat pump hot-water system are exported, then to need
It wants the space of heat supply to distribute heat, realizes heat supply.
2. combining heating system as described in claim 1, which is characterized in that the heat output system includes hollow accumulation of heat
Water tank (2) and fan coil (5), in which:
Water is stored in advance in the hot water storage tank (2), the hot water storage tank (2) is disposed vertically；
The upper and lower ends of the fan coil (5) pass through first pipe (51) and second pipe (52) and the hot water storage tank respectively
(2) it is connected.
3. combining heating system as claimed in claim 2, which is characterized in that the first pipe (51) and second pipe (52)
The height for the position being connected with the hot water storage tank (2), lower than the water level in the hot water storage tank (2).
4. combining heating system as claimed in claim 2, which is characterized in that the solar water heating system includes solar energy collection
Hot device (1), air diffuser (3) and the first hot water thermal insulating water circulating pump (61), in which:
The water inlet of the solar thermal collector (1) with and the water outlet of first hot water thermal insulating water circulating pump (61) left end be connected
It is logical；
The water outlet of the solar thermal collector (1) is connected with air diffuser (3)；
The air diffuser (3) is located at the hot water storage tank (2) inner upper；
The water outlet of lower end on the left of the water inlet of first hot water thermal insulating water circulating pump (61) right end and the hot water storage tank (2)
It is connected.
5. combining heating system as claimed in claim 4, which is characterized in that carbon dioxide air source heat pump hot-water system
Including heat exchange coil (4), the second hot water thermal insulating water circulating pump (62), heat storage water tank (7), gas cooler (8), the first water tank
(9), regenerator (10), evaporator (12), gas-liquid separator (14) and compressor (15), are located therein:
Heat exchange coil (4) vertical distribution is internal in hot water storage tank (2)；
The water inlet on heat exchange coil (4) top is connected with the water outlet of heat storage water tank (7)；
The water inlet of the heat storage water tank (7) is connected with the water outlet at the top of gas cooler (8) left end；
The water outlet phase of the water inlet of gas cooler (8) the left end bottom and second hot water thermal insulating water circulating pump (62) right end
Connection；
The water inlet of second hot water thermal insulating water circulating pump (62) left end is connected with the water outlet of the first water tank (9) right end；
The water inlet of first water tank (9) left end is connected with the water outlet of the heat exchange coil (4) bottom end；
First refrigerant inlet of refrigerant outlet and regenerator (10) left upper part at the top of gas cooler (8) right end
It is connected；
The refrigerant inlet of gas cooler (8) the right end bottom is connected with the refrigerant outlet of compressor (15) left end；
The refrigerant inlet of compressor (15) right end passes through gas-liquid separator (14) and regenerator (10) left end lower part second
Refrigerant outlet is connected；
First refrigerant outlet on regenerator (10) the right end top is connected with the refrigerant inlet of evaporator (12) left end；
The refrigerant outlet and the second refrigerant import phase of the regenerator (10) right end lower part of evaporator (12) right end
Connection.
6. combining heating system as claimed in claim 5, which is characterized in that first system on regenerator (10) the right end top
Throttle valve (11) are provided in connecting pipe between cryogen outlet and the refrigerant inlet of the evaporator (12) left end.
7. combining heating system as claimed in claim 5, which is characterized in that the front-right interval of the evaporator (12) is arranged
There is a blower (13).
8. combining heating system as claimed in claim 5, which is characterized in that the position of the air diffuser (3) is higher than heat exchange plate
Manage the top upper limit position of (4)；
The water outlet position of lower end on the left of the hot water storage tank (2), is higher than the bottom lower position of heat exchange coil (4).
9. the combining heating system as described in any one of claim 5 to 8, which is characterized in that it further include control system, the control
System processed includes: multiple electric switching valves, temperature sensor, pressure sensor, liquid level sensor and central controller, in which:
Temperature sensor, pressure sensor and liquid level sensor are located in the hot water storage tank (2)；
The heat storage water tank (7), the first hot water thermal insulating water circulating pump (61), the second hot water thermal insulating water circulating pump (62) and air diffuser
(3) on the pipeline that water inlet is connected, it is respectively arranged with an electric switching valve；
Central controller is connected with electric switching valve, temperature sensor, pressure sensor and liquid level sensor respectively, is used for
The hydraulic pressure for the hot water storage tank (2) that the water temperature for the hot water storage tank (2) that real-time reception temperature sensor is sent, pressure sensor are sent with
And the water level value in the hot water storage tank (2) that liquid level sensor is sent, then, according to the water temperature, pressure and water of hot water storage tank (2)
Place value, send preset control signal to the first hot water thermal insulating water circulating pump (61), the second hot water thermal insulating water circulating pump (62) with
And corresponding electric switching valve, the first hot water thermal insulating water circulating pump (61) and the second hot water thermal insulating water circulating pump (62) are controlled respectively
Start and stop and electric switching valve aperture.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821417288.2U CN208871709U (en) | 2018-08-31 | 2018-08-31 | A carbon dioxide air source heat pump assisted solar energy combined heating system |
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|---|---|---|---|
| CN201821417288.2U CN208871709U (en) | 2018-08-31 | 2018-08-31 | A carbon dioxide air source heat pump assisted solar energy combined heating system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109000298A (en) * | 2018-08-31 | 2018-12-14 | 天津商业大学 | A kind of carbon dioxide air source heat pump assists solar association heating system |
| CN111550862A (en) * | 2020-05-09 | 2020-08-18 | 江苏苏净集团有限公司 | A constant temperature water supply system using carbon dioxide heat pump and its control method |
| CN115234960A (en) * | 2021-04-23 | 2022-10-25 | 河北科技大学 | A smart heating system based on renewable energy and its control method |
-
2018
- 2018-08-31 CN CN201821417288.2U patent/CN208871709U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109000298A (en) * | 2018-08-31 | 2018-12-14 | 天津商业大学 | A kind of carbon dioxide air source heat pump assists solar association heating system |
| CN111550862A (en) * | 2020-05-09 | 2020-08-18 | 江苏苏净集团有限公司 | A constant temperature water supply system using carbon dioxide heat pump and its control method |
| CN115234960A (en) * | 2021-04-23 | 2022-10-25 | 河北科技大学 | A smart heating system based on renewable energy and its control method |
| CN115234960B (en) * | 2021-04-23 | 2024-04-05 | 河北科技大学 | A smart heating system based on renewable energy and control method thereof |
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