CN114264000A - Distributed energy center application system - Google Patents
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- CN114264000A CN114264000A CN202111644951.9A CN202111644951A CN114264000A CN 114264000 A CN114264000 A CN 114264000A CN 202111644951 A CN202111644951 A CN 202111644951A CN 114264000 A CN114264000 A CN 114264000A
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/272—Solar heating or cooling
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/30—Wind power
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention discloses a distributed energy center application system, which comprises a solar heat collection system and an air conditioner heat exchange system; the solar heat collection system comprises a tracking and focusing metal straight-through pipe heat collector and a photothermal photovoltaic integrated plate, the solar heat collection system is connected with the air conditioner heat exchange system through a first heating medium circulating pipeline, and a solar circulating pump is arranged on the first heating medium circulating pipeline; the air conditioner heat exchange system comprises a high-temperature generator, a low-temperature generator, a condenser, an absorber, an evaporator, a collapsed chamber heat storage chamber, a heat pump heat exchanger and a refrigeration ice storage chamber. The invention realizes the high-efficiency utilization of the distributed renewable energy sources such as wind energy, light energy and biomass energy with the household conventional energy. The invention organically combines the absorber, the evaporator, the condenser and the like together through the double-effect absorption double-effect heat exchange and two-stage analysis structure of the absorption type air conditioning system, thereby not only greatly reducing the volume of the system and improving the efficiency of the system, but also realizing miniaturization.
Description
Technical Field
The invention relates to the field of new energy, in particular to a distributed energy center application system.
Background
The solar refrigeration air conditioner combines a solar system with a refrigerating unit, and the refrigerating unit is driven to refrigerate by utilizing heat generated by a solar heat collector. The basic principle of the solar refrigeration air-conditioning system is as follows: the method comprises the steps of firstly concentrating sunlight on a pipeline by using a plurality of condenser lenses to heat media flowing in the pipeline, and then exchanging heat of a lithium bromide solution by using energy generated by the media to realize refrigeration of an air conditioning unit.
However, the existing solar refrigeration air-conditioning system is basically a large unit, occupies a large area, has low efficiency, and makes scattered distributed solar energy resources not be effectively utilized. With the demand of installing air conditioners for each household in a village and the solar energy resources in the distributed areas such as the roof of each household, small-sized solar air conditioning systems utilizing new energy are increasingly popular among users.
In addition, except for refrigeration in summer, heating and heating requirements are also met in winter, the existing distributed energy center comprehensive application system is basically in a blank state, and the application of new energy such as families, villas, independent buildings, gardens and the like and the comprehensive management of energy are relatively single and dispersed, so that the waste of new energy resources and the waste of conventional energy are caused.
Disclosure of Invention
Based on the technical problem, the invention provides a distributed energy center application system.
The technical solution adopted by the invention is as follows:
a distributed energy center application system comprises a solar heat collection system and an air conditioner heat exchange system;
the solar heat collection system comprises a tracking and focusing metal straight-through pipe heat collector and a photothermal photovoltaic integrated plate, the solar heat collection system is connected with the air conditioner heat exchange system through a first heating medium circulating pipeline, and a solar circulating pump is arranged on the first heating medium circulating pipeline;
the air conditioner heat exchange system comprises a high-temperature generator, a low-temperature generator, a condenser, an absorber, an evaporator, a collapsed chamber heat storage chamber, a heat pump heat exchanger and a refrigeration ice storage chamber;
a first heating medium circulating pipeline is arranged in the high-temperature generator, and a lithium bromide dilute solution is arranged in the high-temperature generator;
the high-temperature generator is connected with the low-temperature generator through a first steam channel, the low-temperature generator is connected with the condenser through a second steam channel, the low-temperature generator is arranged above the high-temperature generator, the condenser is arranged above the low-temperature generator, a heat dissipation water pipeline is arranged in the condenser, and the heat dissipation water pipeline is also connected with the absorber;
the high-temperature generator is connected with the absorber through a first lithium bromide solution channel, the bottom of the absorber is connected with the high-temperature generator through a lithium bromide solution backflow pipeline, and a solution pump is arranged on the lithium bromide solution backflow pipeline;
the high-temperature generator is connected with the evaporator through a second lithium bromide solution channel, the evaporator is connected with a refrigerant circulating pipeline, and a refrigerant pump is arranged on the refrigerant circulating pipeline;
a first heat pump circulating pipeline is arranged in the evaporator and is connected with a heat pump heat exchanger and a refrigeration ice storage chamber, a refrigeration pump and a heat pump refrigeration valve are arranged on the first heat pump circulating pipeline, and the refrigeration ice storage chamber is connected with a circulating pump at the tail end of an air conditioner;
the heat dissipation water pipeline is communicated with the air heat exchanger through a second heat pump circulating pipeline, a heat transfer pump is arranged on the second heat pump circulating pipeline, the air heat exchanger is communicated with the heat pump heat exchanger, the heat pump heat exchanger is connected with the collapsing chamber heat storage chamber through a heat pump heat storage pipeline, a heat pump heat storage valve is arranged on the heat pump heat storage pipeline, and the collapsing chamber heat storage chamber is connected with the tail end of a warm air.
Preferably, a high-efficiency combustion chamber is further arranged at the position of the high-temperature generator, and the high-efficiency combustion chamber is connected with the biomass feeder, the gas burner, the flue gas processor and the ash processor.
Preferably, a directed flow heater is also provided at the location of the high temperature generator.
Preferably, the distributed energy center application system further comprises a magnetic levitation wind power generator.
Preferably, the distributed energy center application system further comprises a central dispatching control system, and a water control port, an electric control port, a gas control port, a photovoltaic power generation control port, a wind power generation control port, an actuator, a sensor signal input port and an actuator signal output port are arranged on the central dispatching control system.
Preferably, the air-conditioning heat exchange system further comprises a geothermal heat exchanger, and the geothermal heat exchanger is respectively connected with the first heat pump circulating pipeline, the second heat pump circulating pipeline and the heat dissipation water pipeline through heat taking pipelines.
Preferably, the air-conditioning heat exchange system further comprises a heat storage water tank, the heat storage water tank is respectively connected with the second heat pump circulating pipeline and the air-conditioning heat exchanger through a heat collection circulating pipeline, a hot water heat collection valve is arranged on the heat collection circulating pipeline, and the air-conditioning heat exchanger is further connected with the refrigeration ice storage chamber through a heat exchange circulating pipeline.
Preferably, a heat exchange port at one end of the collapsing chamber heat storage chamber is connected with the heat collection circulating pipeline and the heat pump heat exchanger, and the other end of the collapsing chamber heat storage chamber is connected with the heat collection circulating pipeline.
Preferably, one end heat exchange port of the air heat exchanger is connected with the heat dissipation water pipeline, and the other end heat exchange port of the air heat exchanger is connected with the first heat pump circulating pipeline.
The beneficial technical effects of the invention are as follows:
the distributed energy center application system realizes the high-efficiency utilization of distributed renewable energy sources such as wind energy, light energy and biomass energy and household conventional energy.
The invention organically combines the absorber, the evaporator, the condenser and the like together through the double-effect absorption double-effect heat exchange and two-stage analysis structure of the absorption type air conditioning system, thereby not only greatly reducing the volume of the system and improving the efficiency of the system, but also realizing miniaturization. The solar refrigeration efficiency can reach more than 1.5, and the refrigeration power can meet the requirements of more than 10kW-100 kW. The utilization efficiency of solar energy and other auxiliary energy can reach more than 2 when heating in winter.
The solar heat collection system adopts the photovoltaic and photo-thermal integrated solar panel, and perfect combination of solar energy and a building is realized. The solar tracking and focusing heat collector can generate electricity and high temperature of more than 300 ℃ by combining with a tracking and focusing metal straight-through heat collector, and the utilization efficiency of solar energy resources is greatly improved.
Heating in winter: the absorption heat pump unit absorbs geothermal energy to generate heat, and the heat is conducted, radiated and convected by the tail end of the air conditioner fan through the collapse type heat storage chamber. The multiplication effect is realized by limited renewable energy and conventional energy.
Preparation of domestic hot water: the solar energy and auxiliary heat source can be used for producing heat energy by a solar energy system or an auxiliary heat source system and geothermal heat energy, and the heat energy utilization efficiency of the solar energy and the auxiliary heat source can be improved by more than 2 times. Can absorb the cooling water heat through heat pump system, convert the heat to the heat storage water tank, generate high-quality life hot water. The cooling water is cooled, and the requirement of a hot water heat source is met. The heat pump COP can reach more than 3.
The collapse type heat storage chamber can utilize solar energy and the absorption heat pump to prepare high-quality heat energy by utilizing geothermal heat in winter and store the high-quality heat energy into the collapse type heat storage chamber, and the heat pump unit can be utilized to absorb the heat of the absorption heat pump to further improve the heat energy quality for heat storage. The collapsed heat storage chamber is made in a modularized mode, can store heat and release heat slowly, is convenient to lay down, and can supply air and heat through heat exchange and heat taking.
Ice making and cold storage: when energy is redundant or peak shaving needs occur in summer, the system can make ice and store cold through the heat pump system.
The biomass combustion system can be combined with fuel gas to realize efficient and complete combustion of biomass and zero emission of combustion.
The wind driven generator adopts a magnetic suspension vertical shaft wind driven generator, and has low noise and high efficiency. Wind power generation and solar power generation can be consumed on site, and the rest of electricity is on the internet or is converted into energy for storage.
The electric auxiliary heating system adopts a directional flow heater, and can improve the system and the electric heating efficiency through directional circulation.
The central dispatching control system: the comprehensive dispatching management of the household energy is realized, the dispatching distribution management is carried out in all directions from water use, electricity use, gas use, heat production, heat storage, cold storage, heat use, refrigeration, power generation and the like, and the saving, internet surfing, optimization, environmental protection and high-efficiency utilization of the household energy and renewable resources are realized.
Drawings
The invention will be further described with reference to the following detailed description and drawings:
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the high temperature generator and other parts according to the present invention;
fig. 3 is a schematic view of the structure of the heat pump and the like in the present invention.
In the figure: 1-a condenser, 2-a low-temperature generator, 3-a high-temperature generator, 4-a directional flow heater, 5-a biomass feeder, 6-a gas burner, 7-a flue gas processor, 8-an ash processor, 9-an absorber, 10-an evaporator, 11-a heat transfer pump, 12-a solution pump, 13-a refrigerating pump, 14-a refrigerant pump, 15-a tracking and focusing metal straight-through pipe heat collector, 16-a photothermal photovoltaic integrated plate, 17-a solar circulating pump, 18-a magnetic suspension wind power generator, 19-a heat storage water tank, 20-a hot water heat collection valve, 21-a heat storage chamber valve, 22-a heat pump heat storage valve, 23-a heat pump refrigerating valve, 24-a collapsing chamber heat storage chamber, 25-a heat pump heat exchanger, 26-a heat pump and 27-an air heat exchanger, 28-refrigeration regulating valve, 29-refrigeration ice storage chamber, 30-air modulation cold valve, 31-air modulation hot valve, 32-heat taking pipeline, 33-air conditioner tail end circulating pump, 34-air conditioner heat exchanger, 35-heat storage conversion valve, 36-heat taking conversion valve, 37-heat pump heat recovery valve, 38-geothermal heat exchanger, 39-heating conversion valve, 40-high efficiency combustion chamber, 41-heat storage chamber heat exchange pump, 42-warm air tail end, 43-heat pump heating conversion valve, 44-central dispatching control system, 45-water control port, 46-electric control port, 47-gas control port, 48-photovoltaic power generation control port, 49-wind power generation control port, 50-sensor signal input port, 51-actuator signal output port, 52-actuator, 53-first heating medium circulating pipeline, 54-radiating water pipeline, 55-lithium bromide solution return pipeline, 56-refrigerant circulating pipeline, 57-first heat pump circulating pipeline, 58-second heat pump circulating pipeline and 59-heat pump heat storage pipeline.
Detailed Description
The invention mainly carries out unified dispatching management and comprehensive and efficient utilization of new energy for village residents, villas, single buildings, gardens and other distributed areas. Renewable energy sources such as solar energy, wind energy, biomass energy and the like are fully utilized, and water, electricity, gas and the like can be dispatched and distributed in utilization time intervals and utilization efficiency, so that the purposes of environmental protection, energy conservation, source opening, throttling, efficiency improvement and comfort level improvement are achieved. The potential of renewable energy sources is better excavated by comprehensively scheduling and utilizing electric energy, heat energy, cold air, hot water, stored energy, cold storage and the like, so that the pollution is reduced, and the life quality of people is improved.
With reference to the attached drawings, the distributed energy center application system comprises a solar heat collection system and an air conditioner heat exchange system. The solar heat collection system comprises a tracking and focusing metal straight-through pipe heat collector 15 and a photothermal photovoltaic integrated plate 16, the solar heat collection system is connected with an air conditioner heat exchange system through a first heating medium circulating pipeline 53, and a solar circulating pump 17 is arranged on the first heating medium circulating pipeline 53.
The air conditioner heat exchange system comprises a high-temperature generator 3, a low-temperature generator 2, a condenser 1, an absorber 9, an evaporator 10, a collapsing chamber heat storage chamber 24, a heat pump heat exchanger 25 and a refrigerating ice storage chamber 29. The high temperature generator is provided with a lithium bromide dilute solution through a first heating medium circulation pipeline 53. High temperature generator 3 links to each other with low temperature generator 2 through first steam passage, and low temperature generator 2 links to each other with condenser 1 through second steam passage, and low temperature generator 2 sets up in high temperature generator 3's top, and condenser 1 sets up in low temperature generator 2's top. The condenser 1 is provided with a heat radiation water pipeline 54, and the heat radiation water pipeline 54 is also connected with the absorber 9. The high-temperature generator 3 is connected with the absorber 9 through a first lithium bromide solution channel, the bottom of the absorber 9 is connected with the high-temperature generator through a lithium bromide solution return pipeline 55, and a solution pump 12 is arranged on the lithium bromide solution return pipeline 55.
The high-temperature generator 3 is connected with the evaporator 10 through a second lithium bromide solution channel, the evaporator 10 is connected with a refrigerant circulating pipeline 56, and a refrigerant pump 14 is arranged on the refrigerant circulating pipeline 56. A first heat pump circulating pipeline 57 is arranged in the evaporator 10, the first heat pump circulating pipeline 57 is connected with the heat pump heat exchanger 25 and the refrigeration ice storage chamber 29, the refrigeration pump 13 and the heat pump refrigeration valve 23 are arranged on the first heat pump circulating pipeline 57, and the refrigeration ice storage chamber 29 is connected with the air-conditioning tail end circulating pump 33. The heat dissipation water pipeline 54 is communicated with the air heat exchanger 27 through a second heat pump circulating pipeline 58, the heat transfer pump 11 is arranged on the second heat pump circulating pipeline 58, the air heat exchanger 27 is communicated with the heat pump heat exchanger 25, the heat pump heat exchanger 25 is connected with the collapsing chamber heat storage chamber 24 through a heat pump heat storage pipeline 59, the heat pump heat storage pipeline is provided with a heat pump heat storage valve 22, and the collapsing chamber heat storage chamber is connected with the warm air tail end 42.
As a further design of the invention, a high-efficiency combustion chamber 40 is also arranged at the position of the high-temperature generator, and the high-efficiency combustion chamber 40 is connected with the biomass feeder 5, the gas burner 6, the flue gas processor 7 and the ash processor 8. At the location of the high temperature generator there is also a directed flow heater 4.
Further, the distributed energy center application system further comprises a magnetic levitation wind power generator 18.
Further, the distributed energy center application system further comprises a central dispatching control system 44, and a water control port 45, an electric control port 46, a gas control port 47, a photovoltaic power generation control port 18, a wind power generation control port 49, an actuator 52, a sensor signal input port 50 and an actuator signal output port 51 are arranged on the central dispatching control system 44.
Furthermore, the air-conditioning heat exchange system further comprises a geothermal heat exchanger 38, the geothermal heat exchanger is respectively connected with the first heat pump circulating pipeline, the second heat pump circulating pipeline and the heat dissipation water pipeline through a heat taking pipeline 32, and a heat taking conversion valve 36 is arranged on the heat taking pipeline. More specifically, the heat extraction pipes include first, second, third, and fourth heat extraction pipes, which are respectively connected to the first heat pump circulation pipe, the second heat pump circulation pipe, and the like, as is apparent from the pipe connection structure in the drawings.
Further, the air-conditioning heat exchange system further comprises a heat storage water tank 19, the heat storage water tank 19 is respectively connected with a second heat pump circulating pipeline and an air-conditioning heat exchanger through a heat collecting circulating pipeline, a hot water heat collecting valve 20 is arranged on the heat collecting circulating pipeline, and the air-conditioning heat exchanger is further connected with a refrigeration ice storage chamber through a heat exchange circulating pipeline. More specifically, the heat collecting circulation pipes are provided with 2 heat collecting circulation pipes, namely a first heat collecting circulation pipe and a second heat collecting circulation pipe, namely one of the heat collecting circulation pipes is a water inlet, and the other is a water outlet, which can also be seen from the pipe connection structure in the attached drawings, and will not be described in detail herein.
Furthermore, a heat exchange port at one end of the collapsing chamber heat storage chamber 24 is connected with a heat collection circulating pipeline and a heat pump heat exchanger, and the other end of the collapsing chamber heat storage chamber is connected with the heat collection circulating pipeline. That is to say, one end heat exchange inlet of the collapsing chamber heat storage chamber is connected with one of the heat collection circulating pipelines, and the other end heat exchange outlet is connected with the other heat collection circulating pipeline. The heat exchange is carried out in the collapsing chamber heat storage chamber, and the collapsing chamber heat storage chamber is also connected with a warm air tail end 42 through a heat exchange circulating pipeline.
Furthermore, a heat exchange port at one end of the air heat exchanger is connected with the heat dissipation water pipeline, and a heat exchange port at the other end of the air heat exchanger is connected with the first heat pump circulating pipeline. The air heat exchanger 27 is also connected to the heat pump 26.
The working process of the invention is roughly as follows:
a heat collection system: the photovoltaic photo-thermal integrated plate 16 and the tracking focusing metal straight-through pipe heat collector 15 are adopted to absorb solar light energy and convert the solar light energy into electric energy and heat energy, the electric energy can be directly connected to the grid for power generation, and high-temperature heat energy enters the absorption type solar air conditioning unit for heating or refrigerating.
Absorption type air conditioning system: solar energy absorbs heat energy and sends into high temperature generator 3 through the solar energy circulating pump, analyzes the lithium bromide weak solution in the high temperature generator, produces high temperature steam and more concentrated lithium bromide solution, and steam gets into low temperature generator 2 and further analyzes, forms concentrated lithium bromide solution and produces steam, and this steam gets into condenser 1 simultaneously with the steam that produces before and cools off, forms the comdenstion water.
The lithium bromide concentrated solution is cooled through the heat exchanger, then enters the absorber 9 to absorb water vapor to form a lithium bromide dilute solution, and the lithium bromide dilute solution is sent into the high-temperature generator 3 through the solution pump 12 after flowing back.
Production of chilled water: the refrigerant water is fed into the evaporator 10 by the refrigerant pump 14 and is combined with the lithium bromide concentrated solution by flash vaporization to produce low temperature chilled water.
Cooling water is sent into the absorber 9 by the heat transfer pump 11, enters the condenser 1 after taking away partial heat, continues to absorb heat and raise temperature, then enters the heat pump system for cooling and releasing heat or enters the hot water tank for heat exchange or enters the geothermal heat exchanger for cooling and heat storage, forms low-temperature cooling water after cooling, and then enters the absorber for reciprocating circulation.
The absorption type air conditioning system organically combines an absorber, an evaporator, a condenser and the like together through a structural structure of double-effect absorption and double-effect heat exchange and two-stage analysis, so that the system volume is greatly reduced, the system efficiency is improved, and the miniaturization can be realized. The solar refrigeration efficiency COP can reach more than 1.5, and the refrigeration power can meet the requirement of more than 10kW-100 kW. The cooling heat can be stored underground for use in winter when refrigerating in summer. The utilization efficiency of solar energy and other auxiliary energy can reach more than 2 when heating in winter, and the multiplication of energy and new energy resource utilization is realized.
In the winter heating mode, the absorption heat pump unit absorbs geothermal energy to generate heat, the heat passes through the collapse type heat storage chamber 24, and the tail end of the air conditioner fan conducts heat conduction, radiation and convection air heating.
Preparation of domestic hot water: the solar energy and auxiliary heat source can be used for producing heat energy by a solar energy system or an auxiliary heat source system and geothermal heat energy, and the heat energy utilization efficiency of the solar energy and the auxiliary heat source can be improved by more than 2 times. The heat of the cooling water can be absorbed by the heat pump system, and the heat is converted into the heat storage water tank 19, so that high-quality domestic hot water is generated. The cooling water is cooled, and the requirement of a hot water heat source is met.
The chilled water enters the tail end air conditioning unit, namely the tail end circulating pump 33 of the air conditioner, for circulation, and the air conditioning function is realized.
In winter, high-quality heat energy can be prepared by utilizing solar energy and an absorption heat pump and utilizing geothermal heat to be stored in the collapsing type heat storage chamber 24, and the heat pump unit can be utilized to absorb the heat of the absorption heat pump to further improve the heat energy quality for heat storage. The collapsed heat storage chamber can store heat and release heat slowly, is convenient to lay down, and can supply air and heat through heat exchange.
Ice making and cold storage: when energy is redundant or peak shaving needs occur in summer, the system can make ice and store cold through the heat pump system.
The wind driven generator adopts a magnetic suspension vertical shaft wind driven generator, and has low noise and high efficiency. Wind power generation and solar power generation can be consumed on site, and the rest of electricity is on the internet or is converted into energy for storage.
An auxiliary heating system: the combustion system adopts a zero-emission structure and a processor, and a complementary auxiliary heating system combining a biomass energy efficient complete combustor and fuel gas. The electric auxiliary heating system adopts a directional flow heater, and can improve the system and the electric heating efficiency through directional circulation.
The central dispatching control system: the comprehensive dispatching management of the household energy is realized, the dispatching distribution management is carried out in all directions from water use, electricity use, gas use, heat production, heat storage, cold storage, heat use, refrigeration, power generation and the like, and the conservation, the online, the optimization, the environmental protection and the high-efficiency utilization of the household energy and renewable resources are realized.
Overall, the invention has the following advantages:
1. the medium-absorption air conditioning system adopts a structure of double-effect absorption and double-effect heat exchange and two-stage analysis, and improves the system efficiency. The invention organically combines the absorber, the evaporator, the condenser and the like together, thereby not only greatly reducing the volume of the system and improving the efficiency of the system, but also realizing miniaturization. The solar refrigeration efficiency can reach more than 1.5, and the refrigeration power can meet the requirements of more than 10kW-100 kW.
2. The invention can store heat underground for winter use during refrigeration in summer. When heating in winter, the underground heat is taken out and the cold energy is stored for use in summer, and the utilization efficiency of solar energy and other auxiliary energy is doubled. The solar heat collection system adopts the photovoltaic and photo-thermal integrated solar panel to realize the perfect combination of solar energy and buildings. The solar tracking and focusing heat collector is combined with a tracking and focusing metal direct heat collector, so that the grade and the efficient utilization of solar energy resources are greatly improved.
3. The invention absorbs geothermal energy through the absorption heat pump unit to generate heat, and the heat is transferred, radiated and convected to warm air through the collapsed heat storage chamber and the tail end of the air conditioner fan. The hot water can be prepared by a solar system or an auxiliary heat source system and geothermal heat energy, and the heat energy utilization efficiency of the solar energy and the auxiliary heat source can be improved by more than 2 times. Can absorb the cooling water heat through heat pump system, convert the heat to heat storage water tank, generate high-quality life hot water. The cooling water is cooled, and the requirement of a hot water heat source is met.
4. In winter, high-quality heat energy can be prepared by utilizing solar energy and an absorption heat pump and utilizing geothermal heat to be stored in the collapsed heat storage chamber, and the heat pump unit can be utilized to absorb the heat of the absorption heat pump to further improve the heat energy quality for heat storage. The collapsed heat storage chamber is made in a modularized mode, can store heat and release heat slowly, is convenient to lay down, and can supply air and heat through heat exchange and heat taking.
5. When energy is redundant or peak shaving needs occur in summer, the system can make ice and store cold through the heat pump system.
6. The biomass combustion system adopts a heat recoverer and a zero-emission processor, and the biomass energy combustor is combined with fuel gas to realize efficient and complete combustion and zero emission of biomass.
7. The electric auxiliary heating system adopts a directional flow heater, and can improve the system and the electric heating efficiency through directional circulation.
8. The central dispatching control system: the comprehensive dispatching management of the household energy is realized, the dispatching distribution management is carried out in all directions from water use, electricity use, gas use, heat production, heat storage, cold storage, heat use, refrigeration, power generation and the like, and the conservation, optimization, environmental protection and efficient utilization of the household energy and renewable resources are realized.
Parts not described in the above modes can be realized by adopting or referring to the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A distributed energy center application system is characterized in that: the system comprises a solar heat collection system and an air conditioner heat exchange system;
the solar heat collection system comprises a tracking and focusing metal straight-through pipe heat collector and a photothermal photovoltaic integrated plate, the solar heat collection system is connected with the air conditioner heat exchange system through a first heating medium circulating pipeline, and a solar circulating pump is arranged on the first heating medium circulating pipeline;
the air conditioner heat exchange system comprises a high-temperature generator, a low-temperature generator, a condenser, an absorber, an evaporator, a collapsed chamber heat storage chamber, a heat pump heat exchanger and a refrigeration ice storage chamber;
a first heating medium circulating pipeline is arranged in the high-temperature generator, and a lithium bromide dilute solution is arranged in the high-temperature generator;
the high-temperature generator is connected with the low-temperature generator through a first steam channel, the low-temperature generator is connected with the condenser through a second steam channel, the low-temperature generator is arranged above the high-temperature generator, the condenser is arranged above the low-temperature generator, a heat dissipation water pipeline is arranged in the condenser, and the heat dissipation water pipeline is also connected with the absorber;
the high-temperature generator is connected with the absorber through a first lithium bromide solution channel, the bottom of the absorber is connected with the high-temperature generator through a lithium bromide solution backflow pipeline, and a solution pump is arranged on the lithium bromide solution backflow pipeline;
the high-temperature generator is connected with the evaporator through a second lithium bromide solution channel, the evaporator is connected with a refrigerant circulating pipeline, and a refrigerant pump is arranged on the refrigerant circulating pipeline;
a first heat pump circulating pipeline is arranged in the evaporator and is connected with a heat pump heat exchanger and a refrigeration ice storage chamber, a refrigeration pump and a heat pump refrigeration valve are arranged on the first heat pump circulating pipeline, and the refrigeration ice storage chamber is connected with a circulating pump at the tail end of an air conditioner;
the heat dissipation water pipeline is communicated with the air heat exchanger through a second heat pump circulating pipeline, a heat transfer pump is arranged on the second heat pump circulating pipeline, the air heat exchanger is communicated with the heat pump heat exchanger, the heat pump heat exchanger is connected with the collapsing chamber heat storage chamber through a heat pump heat storage pipeline, a heat pump heat storage valve is arranged on the heat pump heat storage pipeline, and the collapsing chamber heat storage chamber is connected with the tail end of a warm air.
2. The distributed energy center application system of claim 1, wherein: and the high-temperature generator is also provided with a high-efficiency combustion chamber, and the high-efficiency combustion chamber is connected with the biomass feeder, the gas burner, the flue gas processor and the ash processor.
3. The distributed energy center application system of claim 1, wherein: a directional flow heater is also arranged at the position of the high-temperature generator.
4. The distributed energy center application system of claim 1, wherein: the distributed energy center application system further comprises a magnetic suspension wind driven generator.
5. The distributed energy center application system of claim 1, wherein: the distributed energy center application system further comprises a central dispatching control system, and a water control port, an electric control port, a gas control port, a photovoltaic power generation control port, a wind power generation control port, an actuator, a sensor signal input port and an actuator signal output port are arranged on the central dispatching control system.
6. The distributed energy center application system of claim 1, wherein: the air conditioner heat exchange system further comprises a geothermal heat exchanger, and the geothermal heat exchanger is respectively connected with the first heat pump circulating pipeline, the second heat pump circulating pipeline and the heat dissipation water pipeline through heat taking pipelines.
7. The distributed energy center application system of claim 1, wherein: the air conditioner heat exchange system further comprises a heat storage water tank, the heat storage water tank is respectively connected with the second heat pump circulating pipeline and the air conditioner heat exchanger through a heat collection circulating pipeline, a hot water heat collection valve is arranged on the heat collection circulating pipeline, and the air conditioner heat exchanger is further connected with the refrigeration ice storage chamber through a heat exchange circulating pipeline.
8. The distributed energy center application system of claim 7, wherein: one end heat exchange port of the collapsing chamber heat storage chamber is connected with the heat collection circulating pipeline and the heat pump heat exchanger, and the other end of the collapsing chamber heat storage chamber is connected with the heat collection circulating pipeline.
9. The distributed energy center application system of claim 1, wherein: and a heat exchange port at one end of the air heat exchanger is connected with a heat dissipation water pipeline, and a heat exchange port at the other end of the air heat exchanger is connected with a first heat pump circulating pipeline.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115727569A (en) * | 2022-11-25 | 2023-03-03 | 北方工业大学 | Solar total reflection light gathering type ground source heat pump performance enhancing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115727569A (en) * | 2022-11-25 | 2023-03-03 | 北方工业大学 | Solar total reflection light gathering type ground source heat pump performance enhancing device |
| CN115727569B (en) * | 2022-11-25 | 2023-08-15 | 北方工业大学 | Solar total reflection condensing absorption type soil source heat pump performance enhancing device |
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