CN208859915U - It is suitble to north coal to change the high efficiency heat pump system of electricity - Google Patents
It is suitble to north coal to change the high efficiency heat pump system of electricity Download PDFInfo
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- CN208859915U CN208859915U CN201821091819.3U CN201821091819U CN208859915U CN 208859915 U CN208859915 U CN 208859915U CN 201821091819 U CN201821091819 U CN 201821091819U CN 208859915 U CN208859915 U CN 208859915U
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- evaporator
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- heat pump
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
The utility model discloses the high efficiency heat pump systems that a kind of suitable northern coal changes electricity, including compressor, compressor outlet connects oil eliminator, oil eliminator gas vent connects condenser, oil eliminator liquid outlet connects solution condensing device, condenser liquid outlet connects evaporator, evaporator taphole connects heat source packed tower, evaporator air exports connect compressor, blower is set at the top of heat source packed tower, bottom is provided with phase-changing energy-storing slot, the outlet of phase-change accumulation energy slot is separately connected evaporator by pipeline branch, solution condensing device and solar thermal collector, solar thermal collector is connected to by pipeline with phase-change accumulation energy slot with the pipeline between evaporator outlet and solution condensing device.The utility model improves efficiency of energy utilization, and it is efficient that the heat pump system in big heat demand may be implemented.
Description
Technical field
The utility model relates to heat pump systems, and in particular to a kind of suitable northern coal changes the high efficiency heat pump system of electricity.
Background technique
The PM2.5 of studies have shown that air be mainly soil dirt, fire coal, biomass combustion, vehicle exhaust and waste incineration,
Industrial pollution and secondary inorganic aerosol, wherein coal-fired accounting is about 18%.Pollution that caused by coal burning produces the formation of haze weather
Tremendous influence.In order to subtract the few winter pollution that caused by coal burning in the north, improve air quality, the higher air-source heat of efficiency (COP) is used
Pump is future trend.The small air source heat pump system being currently mainly used, single machine heating capacity is smaller, simultaneously because compressor
The reason of capacity, comprehensive energy efficiency are integrally relatively low.
Utility model content
Purpose of utility model: the purpose of the utility model is to provide a kind of suitable northern coals to change electric high efficiency heat pump system,
Existing air source heat pump system is solved, single machine heating capacity is smaller, the whole low problem of comprehensive energy efficiency.
Technical solution: suitable northern coal described in the utility model changes the high efficiency heat pump system of electricity, which is characterized in that including
Compressor, the compressor outlet connect oil eliminator, and the oil eliminator gas vent connects condenser, oil eliminator liquid
Outlet connection solution condensing device, the condenser liquid outlet connect evaporator, and the evaporator taphole connects heat source
Packed tower, the evaporator air export connect compressor, blower are arranged at the top of the heat source packed tower, bottom is provided with phase transformation
Energy storage slot, the phase-change accumulation energy slot outlet are separately connected evaporator, solution condensing device and solar energy by pipeline branch
Heat collector, the solar thermal collector pass through the pipe between pipeline and phase-change accumulation energy slot and evaporator outlet and solution condensing device
Road connection.
In order to facilitate control pipeline flow, throttle valve is provided in the connecting pipe of the condenser and evaporator.
In order to efficiently use heat, the condenser-air outlet user pipe.
In order to realize that heat source tower outlet solution temperature is constant, to realize that unit evaporating temperature is constant, and guarantee evaporation
Device solution concentration, the phase-change accumulation energy slot outlet is separately connected the first valve and the second valve by two bypass lines, described
The first valve other end connects third valve and the 4th valve by two bypass lines, and the third valve other end connection is molten
Liquid enrichment facility, the 4th valve other end connect evaporator, and the second valve other end connects solar energy heating
Device.
The compressor is the high-efficiency screw-type compressor of high pressure ratio.
The utility model has the advantages that the utility model uses the high-efficiency screw-type compressor of high pressure ratio, using external oil and oil is utilized
Heat come realize the solution in heat source tower be concentrated；Evaporator uses efficient downward film evaporator to improve efficiency of energy utilization；
Heat source tower absorbs heat from air in winter, and realizes that using phase-change accumulation energy slot, the solution temperature into evaporator is constant,
The water temperature into evaporator is improved using solar thermal collector simultaneously, to improve efficiency of energy utilization.The utility model can
With realize in big heat demand heat pump system it is efficient, the utility model using the heat of helical lobe compressor lubricant oil as
The driving force of solution condensing device, and helical lobe compressor lubricant oil needs to cool down under supplying thermal condition in itself, it is thus achieved that energy
The comprehensive utilization in source substantially reduces operating cost, and heat source tower uses phase-change accumulation energy slot, may be implemented to export from heat source tower molten
Liquid is held essentially constant so that heat pump compressor operating condition under substantially constant pressure ratio operating condition, improve compressor efficiency and
Service life may be implemented to improve evaporator solution temperature using solar energy daytime in winter, to improve unit heating
Efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Specific embodiment
The utility model is further described with reference to the accompanying drawing.
As shown in Figure 1, north coal is suitble to change electric high efficiency heat pump system, including compressor 1, the outlet of compressor 1 connection oil
Separator 2,2 gas vent of oil eliminator connect condenser 3, and 2 liquid outlet of oil eliminator connects solution condensing device 6, solution
Condensation-water drain 7 is provided on enrichment facility 6,3 liquid outlet of condenser connects evaporator 5, the connection of 5 taphole of evaporator
Blower 10 is arranged at the top of heat source packed tower 11 for heat source packed tower 11,5 gas vent connect compressor 1 of evaporator, and bottom is provided with
Phase-change accumulation energy slot 12, the outlet of phase-change accumulation energy slot 12 are separately connected the first valve 15 and the second valve 14 by two bypass lines,
First valve, 15 other end connects third valve 17 and the 4th valve 16 by two bypass lines, and 17 other end of third valve connects
Solution condensing device 6 is connect, 16 other end of the 4th valve connects 5 import of evaporator, and 14 other end of the second valve connects solar energy collection
Hot device 13, solar thermal collector 13 pass through between pipeline and the outlet of phase-change accumulation energy slot 12 and evaporator 5 and solution condensing device 6
Pipeline connection.Wherein, throttle valve 4, the connection of 3 gas vent of condenser are provided in the connecting pipe of condenser 3 and evaporator 5
8 pipeline of user, compressor 1 are the high-efficiency screw-type compressor of high pressure ratio.
When the utility model is used, the refrigerant gas of high temperature and pressure is discharged into oily separation from exhaust outlet of compressor
Device, after oil eliminator, there are bottoms under centrifugal force and gravity for lubricating oil, are then cooled down by regenerative device of solution
Enter compressor suction port afterwards；The refrigerant gas of most high temperature and pressure comes out into condenser from oil and is condensed into often
Warm high pressure refrigerant liquid condenses generated heat and then realizes user's heat supply in winter by recirculated water.Normal temperature high voltage refrigeration
Agent liquid becomes low-temp low-pressure gas-liquid mixture after throttling by electric expansion valve enters evaporator, the refrigerant of low-temp low-pressure
Liquid boils in evaporator, flows back to compressor suction port after becoming low-temperature low-pressure refrigerant gas.It is come out from evaporator low
Warm anti-freezing solution is entered in heat source filler by heat source tower spray head, and under the drive of blower, air and low temperature anti-freezing solution are carried out
Heat exchange, air themperature reduce solution temperature and increase, and then solution flows into the phase-change accumulation energy slot of bottom, in accumulation of energy slot, solution temperature
Degree is adjusted, and when phase-changing energy-storing medium is liquid, solution temperature is increased, when phase-changing energy-storing medium is solid, solution temperature
It reduces, to realize that heat source tower outlet temperature is constant.The heat source tower solution a part exported from phase-change accumulation energy trench bottom passes through valve 2
It is heated with solar thermal collector, another part realizes outlet solution heating by valve 1.Solution a part after heating is directly logical
It crosses valve 3 and enters solution condensing device progress solution regeneration, by entering back into evaporator after solution condensing device is concentrated, then
In addition most of to flow directly into evaporator by valve 4, the heat absorbed is discharged into heat pump system by the solution after heating
Evaporator in.
The utility model uses phase-change accumulation energy slot and its solar thermal collector, and unit evaporating temperature will not be with environment temperature
The reduction of degree and reduce, the good heating load of unit efficiency at low ambient temperatures may be implemented and be highly improved.This is practical new
The heat source tower solution condensing device of type, using the heat of helical lobe compressor lubricant oil as driving force, it is thus achieved that the energy
Comprehensive utilization, substantially reduce operating cost.Screw compressor exit lubricating oil temperature is usually higher, severe in heat source tower heat pump
Need to reduce oil temperature under operating condition using oil cooler, and the utility model is directly by the heat utilization of lubricating oil, and drives molten
Liquid regenerating unit, efficiency of energy utilization are greatly improved.Heat source tower uses phase-change accumulation energy slot, may be implemented to go out from heat source tower
The solution of mouth is held essentially constant, so that heat pump compressor operating condition under substantially constant pressure ratio operating condition, improves compressor
Efficiency and service life, it is constant that heat source tower outlet solution temperature may be implemented in phase-change accumulation energy slot, to realize unit evaporating temperature
It is constant, in the constant situation of exit water temperature, the condensing pressure and evaporating pressure substantially constant of compressor, therefore the pressure ratio of compressor
It is very fixed.Its service life can be improved in longtime running of the compressor under identical pressure ratio operating condition.The utility model may be implemented
Daytime in winter improves evaporator solution temperature, so that unit heat efficiency is improved, the solar energy heating in the utility model
Device and its system are mainly used for improving the evaporator solution temperature of unit, to improve the heat efficiency and heating of unit
Amount.
Claims (5)
1. the high efficiency heat pump system that a kind of suitable northern coal changes electricity, which is characterized in that including compressor (1), the compressor (1)
Outlet connection oil eliminator (2), oil eliminator (2) gas vent connect condenser (3), oil eliminator (2) liquid outlet
It connects solution condensing device (6), condenser (3) liquid outlet connects evaporator (5), evaporator (5) taphole
It connects heat source packed tower (11), evaporator (5) the gas vent connect compressor (1), at the top of the heat source packed tower (11)
It is arranged blower (10), bottom is provided with phase-change accumulation energy slot (12), and phase-change accumulation energy slot (12) outlet is distinguished by pipeline branch
Connection evaporator (5) import, solution condensing device (6) and solar thermal collector (13), the solar thermal collector (13) pass through
Pipeline exports the pipeline between solution condensing device (6) with evaporator (5) with phase-change accumulation energy slot (12) and is connected to.
2. the high efficiency heat pump system that suitable northern coal according to claim 1 changes electricity, which is characterized in that the condenser
(3) and throttle valve (4) are provided in the connecting pipe of evaporator (5).
3. the high efficiency heat pump system that suitable northern coal according to claim 1 changes electricity, which is characterized in that the condenser
(3) gas vent is connected to user pipe.
4. the high efficiency heat pump system that suitable northern coal according to claim 1 changes electricity, which is characterized in that the phase-change accumulation energy
Slot (12) outlet is separately connected the first valve (15) and the second valve (14), first valve (15) by two bypass lines
The other end is connected by two bypass line connections third valve (17) and the 4th valve (16), third valve (17) other end
It connects solution condensing device (6), the 4th valve (16) other end connects evaporator (5) import, and second valve (14) is another
One end connects solar thermal collector (13).
5. the high efficiency heat pump system that suitable northern coal according to claim 4 changes electricity, which is characterized in that the compressor
It (1) is the high-efficiency screw-type compressor of high pressure ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821091819.3U CN208859915U (en) | 2018-07-10 | 2018-07-10 | It is suitble to north coal to change the high efficiency heat pump system of electricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821091819.3U CN208859915U (en) | 2018-07-10 | 2018-07-10 | It is suitble to north coal to change the high efficiency heat pump system of electricity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208859915U true CN208859915U (en) | 2019-05-14 |
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ID=66412519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821091819.3U Active CN208859915U (en) | 2018-07-10 | 2018-07-10 | It is suitble to north coal to change the high efficiency heat pump system of electricity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208859915U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114824A (en) * | 2018-07-10 | 2019-01-01 | 南京工程学院 | It is suitble to north coal to change the high efficiency heat pump system of electricity |
| CN115200116A (en) * | 2022-07-01 | 2022-10-18 | 南京天诗新材料科技有限公司 | Self-adaptive energy storage type integrated heat source tower heat pump unit based on phase change wax |
-
2018
- 2018-07-10 CN CN201821091819.3U patent/CN208859915U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114824A (en) * | 2018-07-10 | 2019-01-01 | 南京工程学院 | It is suitble to north coal to change the high efficiency heat pump system of electricity |
| CN109114824B (en) * | 2018-07-10 | 2023-08-22 | 南京工程学院 | High-efficiency heat pump system suitable for changing northern coal into electricity |
| CN115200116A (en) * | 2022-07-01 | 2022-10-18 | 南京天诗新材料科技有限公司 | Self-adaptive energy storage type integrated heat source tower heat pump unit based on phase change wax |
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