CN207422713U - The combined type heating and refrigerating system that a kind of solar energy composite utilizes - Google Patents
The combined type heating and refrigerating system that a kind of solar energy composite utilizes Download PDFInfo
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- CN207422713U CN207422713U CN201721551772.XU CN201721551772U CN207422713U CN 207422713 U CN207422713 U CN 207422713U CN 201721551772 U CN201721551772 U CN 201721551772U CN 207422713 U CN207422713 U CN 207422713U
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Abstract
The utility model discloses the combined type heating and refrigerating system that a kind of solar energy composite utilizes, including compression refrigeration subsystem, sorption type heat pump subsystem and solar energy subsystem；Compression refrigeration subsystem is connected with sorption type heat pump subsystem, and solar energy subsystem is connected respectively with compression refrigeration subsystem and sorption type heat pump subsystem；The utility model solve using the absorption system of sun thermal drivers and its energy utilization rate of combined refrigeration system it is low, still need to that power consumption, the scope of application are small, and there are the problem of Working medium pollution and not high system effectiveness.
Description
Technical field
The utility model belongs to heat-supplying refrigeration technology field, and in particular to the combined type heat supply that a kind of solar energy composite utilizes
Refrigeration system.
Background technology
With the fast development of social economy, heating and refrigerating equipment is widely used, and becomes essential one in life
Part, the practicality of a large amount of heating and refrigerating equipment exacerbate the problem of environmental pollution of energy supply anxiety, to solve the above-mentioned problems,
It is a kind of effective settling mode to widely use the clean energy resourcies such as solar energy, wind energy.It is at present to adopt in heat-supplying refrigeration technology field more
With the absorption system and its combined refrigeration system of sun thermal drivers, however above system is still deposited in application process
In many problems, Solar use is in the form of a single, and belongs to low-grade energy, and energy utilization rate is relatively low compared to electric energy；
Power consumption is mostly still needed to using vapour compression refrigeration system in hybrid systems, while also there are exquisite pollution and system effectiveness not
The problem of high.
Utility model content
For above-mentioned deficiency of the prior art, combined type heat supply system that solar energy composite provided by the utility model utilizes
Cooling system solves low, still using the absorption system of sun thermal drivers and its energy utilization rate of combined refrigeration system
Power consumption is needed, there are the problem of Working medium pollution and not high system effectiveness.
In order to reach foregoing invention purpose, the technical solution adopted in the utility model is：What a kind of solar energy composite utilized
Combined type heating and refrigerating system, including compression refrigeration subsystem, sorption type heat pump subsystem and solar energy subsystem；The compression system
Refrigeration subsystem is connected with sorption type heat pump subsystem, and the solar energy subsystem is sub with compression refrigeration subsystem and sorption type heat pump respectively
System connects.
Further, compressing refrigeration subsystem includes devaporizer, liquid storage device, evaporator, vortex tube, auxiliary heat exchange
Device and compressor, the devaporizer include the first access of devaporizer and devaporizer alternate path, the liquid storage
The outlet of device includes liquid outlet and gas vent, and the outlet of the vortex tube includes cold end gas vent and hot junction gas goes out
Mouthful, the outlet of first access of devaporizer and the entrance of liquid storage device connect, the liquid outlet of the liquid storage device and evaporation
The entrance connection of device, the outlet of the evaporator and the entrance of compressor connect, the outlet of the compressor and devaporizer
The entrance connection of first access, the gas vent of the liquid storage device and the entrance of vortex tube connect, the cold end gas of the vortex tube
Body outlet is connected with the entrance of evaporator, and the hot junction gas vent of the vortex tube is connected with secondary unit entrance, described
Secondary unit outlet is connected with suction port of compressor；
The sorption type heat pump subsystem includes absorber, solution pump, intermediate heat exchanger, condenser, the absorber, molten
Liquid pump, intermediate heat exchanger, generator, condenser and devaporizer alternate path sequentially cycle connection；
The solar energy subsystem includes heat collector, circulating pump, photovoltaic battery panel, controller and DC-AC inverter, described
Heat collector, generator and circulating pump sequentially cycle connection, the heat collector and photovoltaic battery panel acquisition solar energy, the photovoltaic
Solar panel is electrically connected by controller and DC-AC inverter, the DC-AC inverter respectively with solution pump, circulating pump and pressure
Contracting machine is electrically connected.
The beneficial effects of the utility model are：Solve the absorption system and its combined type using sun thermal drivers
The energy utilization rate of refrigeration system is low, still needs to power consumption, and there are the problem of Working medium pollution and not high system effectiveness.
Further, the solar energy subsystem further includes accumulator group and electric heater, and the accumulator group passes through control
Device processed is electrically connected with DC-AC inverter, and the DC-AC inverter is electrically connected by electric heater and generator.
Above-mentioned further scheme has the beneficial effect that：It is group battery pack by photovoltaic battery panel when solar energy abundance
Electric power storage ensure that, in solar energy deficiency, batteries last provides energy for system, and electric heater passes through DC-AC inversions
Device provides heat for generator, runs systems stay.
Further, the compression refrigeration subsystem uses CO2As working medium.
Above-mentioned further scheme has the beneficial effect that：Using CO2At low cost as working medium, source is wide, and to environment without dirt
Dye.
Further, the sorption type heat pump subsystem uses LiBr-H2O is as working medium pair.
Above-mentioned further scheme has the beneficial effect that：Using LiBr-H2O belongs to cleaning raw material, to environment as working medium pair
It is pollution-free.
Further, the compressor be double-stage compressor, the intermediate cavity and secondary unit of the double-stage compressor
Outlet connection.
Above-mentioned further scheme has the beneficial effect that：When compressing in refrigeration subsystem, when compression ratio is excessively high, using twin-stage pressure
Contracting machine is compared to single-stage compressor, refrigerating capacity increase, lower power consumption, the load for reducing separator, the biography for adding condenser
Hot property.
Further, the sorption type heat pump subsystem further includes restricting element, and the condenser is by restricting element with steaming
Send out the entrance connection of cooler alternate path.
Above-mentioned further scheme has the beneficial effect that：Restricting element makes the water as refrigerant in condenser enter devaporizer
During two accesses, pressure difference is constant before and after keeping restricting element, reaches stability of flow.
Further, the restricting element is electronic expansion valve or capillary.
Above-mentioned further scheme has the beneficial effect that：Above-mentioned further scheme has the beneficial effect that：Electronic expansion valve stream
Amount control range is big, is quick on the draw, is swift in motion and stablizes, adjust finely；Capillary is the small-bore pipe for having specific length, can
Predetermined pressure drop is generated in refrigeration systems.
Description of the drawings
Fig. 1 is the combined type heating and refrigerating system block diagram that solar energy composite utilizes.
Specific embodiment
Specific embodiment of the present utility model is described below, in order to facilitate understanding by those skilled in the art
The utility model, it should be apparent that the utility model is not limited to the scope of specific embodiment, to the common skill of the art
For art personnel, if various change appended claim limit and the spirit and scope of definite the utility model in,
These variations are it will be apparent that all utilize the innovation and creation of the utility model design in the row of protection.
As shown in Figure 1, the utility model discloses the combined type heating and refrigerating system that a kind of solar energy composite utilizes, including
Compress refrigeration subsystem, sorption type heat pump subsystem, solar energy subsystem；Wherein compressing refrigeration subsystem includes compressor, evaporation
Cooler, vortex tube, evaporator, liquid storage device and secondary unit, sorption type heat pump subsystem include absorber, generator, cold
Condenser, intermediate heat exchanger, restricting element and solution pump, solar energy subsystem include heat collector, circulating pump, photovoltaic battery panel,
Controller, DC-AC inverter, accumulator group and electric heater；
It compresses in refrigeration subsystem, devaporizer includes the first access of devaporizer and devaporizer second is logical
Road, the outlet of liquid storage device include liquid outlet and gas vent, and the outlet of vortex tube includes cold end gas vent and hot junction gas
Outlet；The outlet of the first access of devaporizer and the entrance of liquid storage device connect, the liquid outlet of liquid storage device and entering for evaporator
Mouth connection, the outlet of evaporator and the entrance of compressor connect, the outlet of compressor and the entrance of the first access of devaporizer
Connection, the gas vent of liquid storage device and the entrance of vortex tube connect, and the cold end gas vent of vortex tube and the entrance of evaporator connect
It connects, the hot junction gas vent of vortex tube is connected with secondary unit entrance, and secondary unit outlet connects with suction port of compressor
It connects；
In the sorption type heat pump subsystem, absorber, solution pump, intermediate heat exchanger, generator, condenser and evaporation are cold
But device alternate path sequentially cycles connection, and condenser is connected by restricting element with devaporizer alternate path entrance；
In solar energy subsystem, heat collector, generator and circulating pump sequentially cycle connection, the heat collector and photovoltaic cell
Plate gathers solar energy, and the photovoltaic battery panel is electrically connected by controller and DC-AC inverter, the DC-AC inverter
It being electrically connected respectively with solution pump, circulating pump and compressor, accumulator group is electrically connected by controller and DC-AC inverter,
DC-AC inverter is electrically connected by electric heater and generator.
In one embodiment of the utility model, when the refrigeration system for the combined type that solar energy composite utilizes is run, to
Addition CO in double-stage compressor2Gas is as working medium, the LiBr-H of addition non-environmental-pollution into solution pump2O is as working medium pair；
In sorption type heat pump subsystem, the LiBr dilute solutions in solution pump are entered to through intermediate heat exchanger in generator, and by the sun
The hot water heating of vacuum tube heating in energy heat collector, when LiBr weak solutions are heated to certain temperature, the moisture in solution
Vapor is vaporized into enter in condenser, and cooling condenses into water as refrigerant within the condenser, while condenser releasing heat is
User's heat supply, the water as refrigerant condensed in condenser is after the throttling of the restricting elements such as electronic expansion valve or capillary, from steaming
The entrance for sending out the alternate path of cooler enters devaporizer, the height with the entrance entrance from the first access of devaporizer
Warm CO2Heat exchange, water as refrigerant absorb high temperature CO2Heat be vaporized into vapor, the alternate path that vapor passes through devaporizer
It exports and enters absorber, the high temperature CO in the first access of devaporizer2It is reduced by temperature after cryogen water cooling, into absorption
The cryogen water vapour of device is absorbed by LiBr intermediate solutions, and the cooled water of absorption heat released in absorption process is taken away, in LiBr
Between solution absorb cryogen water vapour as weak solution, and be sent in generator and heat through intermediate heat exchanger by solution pump,
Such circulation heating；Meanwhile in refrigeration subsystem is compressed, the high temperature and pressure CO after compressor compresses2Gas enters steaming
The first access of cooler is sent out, is transformed into the refrigerant of gas-liquid two-phase after cryogen water cooling in devaporizer, enters storage
In liquid device, liquid storage device separates refrigerant, and liquid enters evaporator at separation all the way, the separated gases at high pressure of another way into
Enter in vortex tube, and high speed rotational flow is until isolating cold air and hot gas in vortex tube, the cold end gas isolated
From the cold end gas vent of vortex tube separated with liquid storage device liquid interflow into evaporator, the refrigerant liquid in evaporator
Evaporation endothermic supplies cold air for user, enters back into compressor, and the hot junction gas separated with vortex tube bulking effect passes through
Interflow enters compressor, such circularly cooling after secondary unit；Using double-stage compressor in compression refrigerating system, when to be double
During grade compression, the intermediate cavity of secondary unit outlet connection double-stage compressor reduces delivery temperature and compressor power consumption；Upper
When stating sorption type heat pump subsystem and compression refrigeration subsystem operation, photovoltaic battery panel converts light energy into electric energy, and passes through DC-AC
Inverter converts electrical energy into alternating current, to drive sorption type heat pump by the compressor being attached thereto, solution pump and circulating pump
Subsystem and compression refrigeration subsystem normal work, while during solar energy abundance, extra electric energy is stored in accumulator group,
During solar energy deficiency, accumulator group is connected by controller with DC-AC inverter, and energy is provided for system, DC-AC inverter with
Electric heater connects, and electric heater provides heat for generator, system is made continuously to run.
The utility model solves the energy of the absorption system and its combined refrigeration system using sun thermal drivers
Source utilization rate is low, still needs to power consumption, and there are the problem of Working medium pollution and not high system effectiveness.
Claims (8)
1. the combined type heating and refrigerating system that a kind of solar energy composite utilizes, which is characterized in that including compression refrigeration subsystem, inhale
Receive heat pump subsystem and solar energy subsystem；The compression refrigeration subsystem is connected with sorption type heat pump subsystem, the solar energy
Subsystem is connected respectively with compression refrigeration subsystem and sorption type heat pump subsystem.
2. the combined type heating and refrigerating system that solar energy composite according to claim 1 utilizes, which is characterized in that the pressure
Contraction refrigeration subsystem includes devaporizer, liquid storage device, evaporator, vortex tube, secondary unit and compressor, the evaporation
Cooler includes the first access of devaporizer and devaporizer alternate path, and the outlet of the liquid storage device includes liquid outlet
And gas vent, the outlet of the vortex tube include cold end gas vent and hot junction gas vent, the devaporizer first
The outlet of access and the entrance of liquid storage device connect, and the liquid outlet of the liquid storage device and the entrance of evaporator connect, the evaporation
The outlet of device and the entrance of compressor connect, and the outlet of the compressor is connected with the entrance of the first access of devaporizer, institute
The entrance of the gas vent and vortex tube of stating liquid storage device connects, and the cold end gas vent of the vortex tube and the entrance of evaporator connect
It connects, the hot junction gas vent of the vortex tube is connected with secondary unit entrance, the secondary unit outlet and compression
Machine entrance connects；
The sorption type heat pump subsystem includes absorber, solution pump, intermediate heat exchanger, condenser, the absorber, solution
Pump, intermediate heat exchanger, generator, condenser and devaporizer alternate path sequentially cycle connection；
The solar energy subsystem includes heat collector, circulating pump, photovoltaic battery panel, controller and DC-AC inverter, the thermal-arrest
Device, generator and circulating pump sequentially cycle connection, the heat collector and photovoltaic battery panel acquisition solar energy, the photovoltaic cell
Plate is electrically connected by controller and DC-AC inverter, the DC-AC inverter respectively with solution pump, circulating pump and compressor
It is electrically connected.
3. the combined type heating and refrigerating system that solar energy composite according to claim 2 utilizes, which is characterized in that it is described too
Positive energy subsystem further includes accumulator group and electric heater, and the accumulator group is electrically connected by controller with DC-AC inverter
It connects, the DC-AC inverter is electrically connected by electric heater and generator.
4. the combined type heating and refrigerating system that solar energy composite according to claim 1 utilizes, which is characterized in that the pressure
Contraction refrigeration subsystem uses CO2As working medium.
5. the combined type heating and refrigerating system that solar energy composite according to claim 1 utilizes, which is characterized in that the suction
It receives heat pump subsystem and uses LiBr-H2O is as working medium pair.
6. the combined type heating and refrigerating system that solar energy composite according to claim 2 utilizes, which is characterized in that the pressure
Contracting machine is double-stage compressor, and the intermediate cavity of the double-stage compressor and the outlet of secondary unit connect.
7. the combined type heating and refrigerating system that solar energy composite according to claim 2 utilizes, which is characterized in that the suction
It receives heat pump subsystem and further includes restricting element, the condenser is connected by the entrance of restricting element and devaporizer alternate path
It connects.
8. the combined type heating and refrigerating system that solar energy composite according to claim 7 utilizes, which is characterized in that the section
Fluid element is electronic expansion valve or capillary.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721551772.XU CN207422713U (en) | 2017-11-20 | 2017-11-20 | The combined type heating and refrigerating system that a kind of solar energy composite utilizes |
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| CN201721551772.XU CN207422713U (en) | 2017-11-20 | 2017-11-20 | The combined type heating and refrigerating system that a kind of solar energy composite utilizes |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724293A (en) * | 2019-02-26 | 2019-05-07 | 天津商业大学 | The CO of the absorption supercooling of Driven by Solar Energy2Trans-critical cycle double-stage compressive refrigerating system |
| CN110057135A (en) * | 2019-04-24 | 2019-07-26 | 湖南科技大学 | Solar energy for refrigerator car assists ammonia absorption/compression composite refrigeration system |
| CN110056936A (en) * | 2019-04-24 | 2019-07-26 | 东北大学 | A kind of low ebb electric heat storage cascade type heat pump heating system and mode |
| CN112629067A (en) * | 2020-10-28 | 2021-04-09 | 华南理工大学 | Two-stage compression composite refrigeration system with parallel thermal compression and mechanical compression and method thereof |
-
2017
- 2017-11-20 CN CN201721551772.XU patent/CN207422713U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724293A (en) * | 2019-02-26 | 2019-05-07 | 天津商业大学 | The CO of the absorption supercooling of Driven by Solar Energy2Trans-critical cycle double-stage compressive refrigerating system |
| CN110057135A (en) * | 2019-04-24 | 2019-07-26 | 湖南科技大学 | Solar energy for refrigerator car assists ammonia absorption/compression composite refrigeration system |
| CN110056936A (en) * | 2019-04-24 | 2019-07-26 | 东北大学 | A kind of low ebb electric heat storage cascade type heat pump heating system and mode |
| CN110056936B (en) * | 2019-04-24 | 2020-09-15 | 东北大学 | Off-peak electricity heat storage cascade heat pump heat supply method |
| CN112629067A (en) * | 2020-10-28 | 2021-04-09 | 华南理工大学 | Two-stage compression composite refrigeration system with parallel thermal compression and mechanical compression and method thereof |
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