CN107905966B - Disc type solar heating, refrigerating and power generating combined system - Google Patents

Disc type solar heating, refrigerating and power generating combined system Download PDF

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Publication number
CN107905966B
CN107905966B CN201710911494.2A CN201710911494A CN107905966B CN 107905966 B CN107905966 B CN 107905966B CN 201710911494 A CN201710911494 A CN 201710911494A CN 107905966 B CN107905966 B CN 107905966B
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China
Prior art keywords
water tank
power generation
solar
stirling generator
water
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CN201710911494.2A
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Chinese (zh)
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CN107905966A (en
Inventor
司宗宝
杨娇娇
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Shanxi Sanjin Zhichuang New Energy Technology Co ltd
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Shanxi Sanjin Zhichuang New Energy Technology Co ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03GSPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G6/00Devices for producing mechanical power from solar energy
    • F03G6/06Devices for producing mechanical power from solar energy with means for concentrating solar rays
    • F03G6/068Devices for producing mechanical power from solar energy with means for concentrating solar rays having a Stirling cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D15/00Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/10Adaptations for driving, or combinations with, electric generators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B41/00Pumping installations or systems specially adapted for elastic fluids
    • F04B41/02Pumping installations or systems specially adapted for elastic fluids having reservoirs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B15/00Sorption machines, plant, or systems, operating continuously, e.g. absorption type
    • F25B15/02Sorption machines, plant, or systems, operating continuously, e.g. absorption type without inert gas
    • F25B15/06Sorption machines, plant, or systems, operating continuously, e.g. absorption type without inert gas the refrigerant being water vapour evaporated from a salt solution, e.g. lithium bromide
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B27/00Machines, plant, or systems, using particular sources of energy
    • F25B27/002Machines, plant, or systems, using particular sources of energy using solar energy
    • F25B27/007Machines, plant, or systems, using particular sources of energy using solar energy in sorption type systems
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/27Relating to heating, ventilation or air conditioning [HVAC] technologies
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/62Absorption based systems
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/46Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30Systems combining energy storage with energy generation of non-fossil origin

Abstract

The invention belongs to the technical field of solar energy utilization, and particularly relates to a disc type solar heating, refrigerating and power generating combined system which comprises a solar heat collector, a water tank, an absorption refrigerator and a Stirling generator. The system can effectively convert solar energy, and can realize integration of solar heating, refrigeration and power generation.

Description

Disc type solar heating, refrigerating and power generating combined system
Technical Field
The invention belongs to the technical field of solar energy utilization, and particularly relates to a disc type solar heating, refrigerating and power generating combined system.
Background
When cold winter comes, the northern area must be heated as necessary in order to have a comfortable working and living environment. The northern area is mainly used for central heating, has more defects, and brings serious environmental pollution and energy waste along with the combustion of fuel.
Various buildings in cities are increasing, and energy consumption in winter heating is serious. Meanwhile, the combustion of the fuel also seriously pollutes the environment.
With the arrival of summer, the temperature rises continuously, and people are forced to adopt various means to cool. The air conditioner is the most popular and most applied air conditioner, and the greatest effect of the air conditioner is to create proper ambient temperature for people and provide cool feeling for people in summer. However, the traditional air conditioner needs to consume a large amount of energy, and the environmental quality is affected.
Solar energy is one of renewable resources, and the development and utilization of solar energy have very important significance for saving conventional energy, protecting the environment, slowing down climate change and the like. Since 2010, the national policy support for the development of clean energy is continuously increased, and 13 low-carbon city test points and green energy demonstration counties are started successively.
The existing solar energy is single in utilization, a completion system cannot be formed, and the use requirements of people in different stages and different seasons cannot be met.
Disclosure of Invention
Aiming at the technical problems, the invention provides a disc type solar heating, refrigerating and power generation combined system which can effectively convert and utilize solar energy, meet the requirements of people at different periods, enable the use of the solar energy to be wider and form a complete system.
In order to solve the technical problems, the invention adopts the technical scheme that:
disc type solar heating, refrigeration, power generation combined system, including solar collector, water tank, absorption refrigerator and stirling generator, solar collector passes through oil pipe and is connected with the water tank, heats the fluid in the oil pipe through solar collector, and oil pipe heats the water in the water tank through the mode of heat exchange, and the water tank communicates and forms the circulation through heat transfer pipe and radiator, and absorption refrigerator passes through heat medium pipe and water tank intercommunication and forms the circulation, stirling generator and water tank intercommunication, the stirling generator electricity generation in-process produces hot water and can flows into in the water tank.
Preferably, a partition is provided in the water tank, and the space in the water tank can be divided by the partition.
Preferably, the electric power generation device further comprises a secondary power generation device, wherein the secondary power generation device comprises an air compressor and an air super-energy turbine, the air super-energy turbine is connected with the air compressor through an air storage tank, and the air compressor is electrically connected with the Stirling generator.
Preferably, the heat-insulating layer is arranged outside the water tank, and the absorption refrigerator adopts an ammonia absorption refrigerator or a lithium bromide absorption refrigerator.
Preferably, the fluid is heat conduction oil, and has better thermal stability.
Compared with the prior art, the invention has the following beneficial effects:
solar energy is focused on the heat collector and the Stirling generator by the condenser, and the heat exchange is carried out between the solar heat collector and the water tank, so that the temperature of water in the water tank is raised. A partition board is arranged in the water tank and divides water in the water tank into two parts, wherein one part of water is communicated with the radiator through the heat transfer pipe for heating, and the other part of water is communicated with the absorption refrigerator through the heat medium pipe for refrigerating; the condenser focuses sunlight on the Stirling generator to generate electricity, and hot water generated in the electricity generation process can flow into the water tank. The Stirling generator is also connected with a secondary power generation device, and can realize solar power generation in various forms. The system can effectively convert solar energy, and can realize integration of solar heating, refrigeration and power generation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the water tank of the present invention;
wherein: the heat pump type solar water heater comprises a solar heat collector 1, a water tank 2, an absorption refrigerator 3, a Stirling generator 4, an oil pipe 5, a heat transfer pipe 6, a radiator 7, a heat medium pipe 8, a partition plate 9, an air compressor 10, an air super-energy turbine 11, an air storage tank 12, a pipeline 13 and a water drainage pipe 14.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the dish type solar heating, refrigerating and generating combined system comprises a solar heat collector 1, a water tank 2, an absorption refrigerator 3 and a stirling generator 4. The solar heat collector 1 is connected with the water tank 2 through an oil pipe 5. The water tank 2 is provided with an exhaust valve and a water replenishing port.
The fluid (heat conduction oil) in the oil pipe 5 is heated through the solar heat collector 1, the hot heat conduction oil passes through the water tank 2 through the oil pipe 5, the water in the water tank 2 is heated in a heat exchange mode, and cold heat conduction oil is sent into the solar heat collector 1 through a circulating pump to be continuously heated, so that circulation is formed; the oil pipe 5 heats the water in the water tank 2 by means of heat exchange, and the oil pipe 5 may be disposed on the water tank 2 in a winding manner.
The water tank 2 is communicated with the radiator 7 through the heat transfer pipe 6 to form circulation, hot water in the water tank 2 enters the radiator 7 through the heat transfer pipe 6, heat is diffused through the radiator 7 to realize heating, and return water flowing out of the radiator 7 flows into the water tank 2 to continue heating. The heat transfer pipe 6 is provided with a circulating pump, thereby realizing circulation.
The absorption refrigerator 3 is communicated with the water tank 2 through a heat medium pipe 8 to form circulation, and hot water in the water tank 2 enters the absorption refrigerator 3 through the heat medium pipe 8 to provide heat medium for the absorption refrigerator 3 so as to realize refrigeration. The heat medium pipe 8 is provided with a circulating pump, so that circulation can be realized.
The condensing lens focuses sunlight on the Stirling generator 4 to provide power for the Stirling generator 4 to generate electricity. The cooler of the stirling engine 4 produces hot water during its power generation, which enters the tank 2 via the line 13 to provide hot water to the tank 2. The pipeline 13 is provided with a drain pipe 14, a three-way valve is arranged at the communication part of the drain pipe 14 and the pipeline 13, and when the water in the water tank 2 is enough, the hot water generated by the Stirling generator 4 can be discharged through the drain pipe 14 under the control of the three-way valve.
The electricity generated by the stirling generator 4 can provide power for the air compressor 10, and the compressed air generated by the air compressor 10 enters the air storage tank 12 to store energy, and the air super-energy turbine 11 is powered by the air storage tank 12 to generate electricity.
As shown in fig. 2, the partition 9 divides water in the water tank 2 into two parts, wherein one part of the water is communicated with the radiator 7 through the heat transfer pipe 6 for heating, and the other part of the water is communicated with the absorption refrigerator 3 through the heat transfer pipe 8 for cooling. The water in the water tank 2 is divided by the partition plate 9, and the circulation in the divided areas can be realized, that is, one part of the water in the water tank 2 circulates with the radiator 7, and the other part of the water circulates with the absorption refrigerator 3.
The heat transfer pipe 6 and the heat medium pipe 8 are respectively provided with a valve, the opening and closing states of the valves can be controlled according to actual needs, and heating and refrigeration can be realized according to different seasons.
Although only the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and all changes are encompassed in the scope of the present invention.

Claims (3)

1. Dish formula solar heating, refrigeration, power generation combined system, its characterized in that: the solar energy heat pump water heater comprises a solar heat collector (1), a water tank (2), an absorption type refrigerating machine (3), a secondary power generation device and a Stirling generator (4), wherein the solar heat collector (1) is connected with the water tank (2) through an oil pipe (5), fluid in the oil pipe (5) is heated through the solar heat collector (1), the oil pipe (5) is arranged on the water tank (2) in a winding mode, hot water which is generated by the Stirling generator (4) and in the water tank (2) is heated in a heat exchange mode, the water tank (2) is communicated with a radiator (7) through a heat transfer pipe (6) to form circulation, the absorption type refrigerating machine (3) is communicated with the water tank (2) through a heat medium pipe (8) to form circulation, the Stirling generator (4) is communicated with the water tank (2), and hot water generated in the power generation process of the Stirling generator (4) flows into the water tank (2), an insulating layer is arranged outside the water tank (2), the secondary power generation device comprises an air compressor (10) and an air super-energy turbine (11), the air super-energy turbine (11) is connected with the air compressor (10) through an air storage tank (12), and the air compressor (10) is electrically connected with the Stirling generator (4); a partition plate (9) is arranged in the water tank (2), and the space in the water tank (2) is divided by the partition plate (9); the Stirling generator is connected with the water tank (2) through a pipeline (13), hot water generated in the power generation process of the Stirling generator (4) enters the water tank (2) through the pipeline (13), and hot water is provided in the water tank.
2. The dish solar heating, cooling, and power generation combined system of claim 1, wherein: the absorption refrigerator (3) adopts an ammonia absorption refrigerator or a lithium bromide absorption refrigerator.
3. The dish solar heating, cooling, and power generation combined system of claim 1, wherein: the fluid is heat conducting oil and has heat stability.
CN201710911494.2A 2017-09-29 2017-09-29 Disc type solar heating, refrigerating and power generating combined system Active CN107905966B (en)

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Application Number Priority Date Filing Date Title
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CN109654632B (en) * 2018-12-02 2020-12-18 江苏科兴电器有限公司 Multi-energy complementary comprehensive energy management system
CN109826461A (en) * 2019-02-26 2019-05-31 重庆水利电力职业技术学院 A kind of green people place groups of building using solar energy
CN111256199B (en) * 2020-01-19 2021-05-07 长春工业大学 Energy-saving intelligent heating system

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CN1135461A (en) * 1996-02-12 1996-11-13 管理 Progressively-pressure-increasing turbo-solar-generating waste-heat water-purifying machine
CN2606307Y (en) * 2003-03-10 2004-03-10 杨向民 Solar heating and refrigerating device
CN101050877A (en) * 2006-04-06 2007-10-10 西安科弘厨房工程设备有限责任公司 Life comprehensive heat supply system
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