CN108375101A - Hot-water type solar-energy air-energy cogeneration of heat and power integral system and operation method - Google Patents
Hot-water type solar-energy air-energy cogeneration of heat and power integral system and operation method Download PDFInfo
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- CN108375101A CN108375101A CN201810058193.4A CN201810058193A CN108375101A CN 108375101 A CN108375101 A CN 108375101A CN 201810058193 A CN201810058193 A CN 201810058193A CN 108375101 A CN108375101 A CN 108375101A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 229
- 238000010438 heat treatment Methods 0.000 claims abstract description 123
- 230000005611 electricity Effects 0.000 claims abstract description 7
- 238000010521 absorption reaction Methods 0.000 claims description 21
- 238000010248 power generation Methods 0.000 claims description 18
- 239000008236 heating water Substances 0.000 claims description 13
- 239000008399 tap water Substances 0.000 claims description 10
- 235000020679 tap water Nutrition 0.000 claims description 10
- 239000011555 saturated liquid Substances 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 5
- 208000008425 Protein Deficiency Diseases 0.000 claims description 4
- 239000005416 organic matter Substances 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 239000008400 supply water Substances 0.000 claims description 3
- 210000000474 Heel Anatomy 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 12
- 239000003245 coal Substances 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
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- 230000001808 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
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- 230000000694 effects Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 101710031899 moon Proteins 0.000 description 3
- 229910002089 NOx Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000001172 regenerating Effects 0.000 description 2
- 241001212038 Arcola Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
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- 235000009566 rice Nutrition 0.000 description 1
- 230000000630 rising Effects 0.000 description 1
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- 230000000153 supplemental Effects 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 230000036642 wellbeing Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D12/00—Other central heating systems
- F24D12/02—Other central heating systems having more than one heat source
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G6/00—Devices for producing mechanical power from solar energy
- F03G6/06—Devices for producing mechanical power from solar energy with solar energy concentrating means
- F03G6/065—Devices for producing mechanical power from solar energy with solar energy concentrating means having a Rankine cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1045—Arrangement or mounting of control or safety devices for water heating systems for central heating the system uses a heat pump and solar energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/12—Heat pump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/14—Solar energy
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
-
- 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
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
Abstract
The invention discloses a kind of hot-water type solar-energy air-energy cogeneration of heat and power integral systems, including water tank, the first water pump, solar thermal collector, low level side heat exchanger, the difunctional head of compression-expansion, the generating integrated motor of permanent-magnet electric, high-order side heat exchanger, expansion valve, working medium pump and the second water pump；Low level side heat exchanger is using air-cooled, the Single port of low level side heat exchanger working medium side is by being connected to the Single port of high-order side heat exchanger working medium side after the difunctional head of compression-expansion, the another port of high-order side heat exchanger working medium side is parallel with two bypasses with the another port of low level side heat exchanger working medium side, by adjusting the on and off of valve, Heating Period heating can be realized using solar energy and air, non-heating period generates electricity, the building demand of annual supplying hot water；Air source heat pump is at low cost, and installation is simple, and efficiency is high, and environmental protection, preheating time is short, can quickly reach room temperature requirement, be suitable as the auxiliary thermal source of solar heating system.
Description
Technical field
The invention belongs to solar-energy air-energies to utilize technical field more particularly to a kind of hot-water type solar-energy air-energy thermoelectricity
Coproduction integral system.
Background technology
In recent years, as the sustainable development of Process of Urbanization Construction and people require not inhabitation, comfortable working environment
It is disconnected to improve, the Fast Growth of building trade is welcome, building energy consumption shows the situation of lasting rising.The winter of northern area adopts
Warm is the chief component of building energy consumption.Cut-off 2016, the urban and rural buildings heating gross area about 20,600,000,000 in the northern area of China is flat
Square rice.Wherein, 14,100,000,000 square metres of town building heating area, 6,500,000,000 square metres of farm building heating area.The northern area of China
Using the energy based on fire coal, coal-burning stove for heating area accounts for about the 83% of total heating area for heating.Heating consumes about 400,000,000 tons with coal year
Coal is marked, about 200,000,000 tons of mark coals of coal (containing inefficient arcola coal) is burnt wherein dissipating, is mainly distributed on rural area.Northern area heat supply
About 22 kilograms of average aggregate energy consumption mark coals/square metre, wherein about 19 kilograms of cities and towns mark coal/square metre, about 27 kilograms of rural area mark coal/
Square metre.Current the northern area of China cleaning heating ratio is low, and especially some areas winter largely burns coal using scattered, and air is dirty
It is big to contaminate discharge capacity.Therefore actively push forward to clean heating, should be the current major tasks for administering northern area winter haze.
Solar energy is inexhaustible, nexhaustible, is to develop and utilize new energy and regenerative resource without exploitation and transport
Important content, have huge market prospects.China's solar energy resources very abundant, 2/3rds regional annual radiant all quality
More than 5020MJ/m2, year, sunshine time was in 2200h or more, the good condition utilized with effective exploitation.The heat of low-temperature solar energy
Using being most direct scheme, development is also the rapidest, and solar water heater, heating technology etc. are increasingly by the weight of people
Depending on.The main heating zone in China is in the north, and precisely solar energy resources are than more rich area.Especially in the season for needing heating
Section, fine day is relatively more, and basic condition is provided for solar heating.Solar energy is suitble to be combined with other energy, realization hot water,
The application for the hybrid system that heats, is that heat supply network effectively disperses heating system when can not cover.Especially suitable for office building, teaching building
Deng the building diurnally used.In national 10 ministries and commissions publication《Northern area winter cleaning heating planning (2017-2021)》
Middle proposition will actively push forward merging for solar energy and conventional energy resource, and centralization and the mode of distributed combination is taken to be built
Heating.Encouragement promotes solar energy heating system on the suitable Small Urban of condition, civilian and public building.Agricultural greenhouse,
Farm etc. is big with heat demand, and with the matched industry of solar property, make full use of solar-heating.It strives for 2021
Year China solar heating area reaches 50,000,000 square metres of target.
When solar-heating heating system is set, from the point of view of economic benefit and heat stablize output, it is necessary to have auxiliary
Heat source.When solar energy deficiency, the supplemental heat source as solar-heating heating system.Air source heat pump is at low cost, installation letter
Single, efficiency is high, and preheating time is short, can quickly reach room temperature requirement, is widely used in solar heating.
Invention content
Since Sun Day shines limited time, the influence of easy climate causes traditional solar heating system needs to add
Auxiliary thermal source, to increase investment and the operating cost of equipment.In addition, solar energy resources winter summer energy is unbalanced, accumulation of energy
The problems such as difficulty causes non-heating period heat surplus, and system equipment leaves unused.It is suitable for the novel of vast northern area to seek
Hot-water type solar heating, air source heat pump, low-temperature electricity-generating technology are organically coupling in one by heating technology and alternative energy source
It rises, constitutes solar energy, air energy integrated using system, realize and maximumlly utilized within the scope of solar energy resources whole year, Heating Period
Heating, non-heating period power generation, while domestic hot-water can also be provided as needed.Effective solution tradition solar heating system
The problems such as middle non-heating period heat surplus, system equipment are idle.
In order to solve the above-mentioned technical problem, a kind of hot-water type solar-energy air-energy cogeneration of heat and power integration proposed by the present invention
System, including water tank, the first water pump, solar thermal collector, low level side heat exchanger, the difunctional head of compression-expansion, Permanent Magnet and Electric
Move generating integrated motor, high-order side heat exchanger, expansion valve, working medium pump and the second water pump；Lead between above-mentioned each equipment and valve body
Connecting line connection is crossed, connection relation is as follows：Two-way coil pipe is equipped in the water tank, to divide the cavity of the water tank
Shell side for shell side, first tube side and the second tube side, the water tank is equipped with two groups of inlet and outlet, the solar thermal collector
Outlet end is connected to the input end of the solar thermal collector after the shell side of the water tank after first water pump,
Form solar heat water circulation pipe；The shell side of the water tank is connected by the water side of second water pump and high-order side heat exchanger
It connects；First tube side of the water tank is connected on heating confession-water return pipeline, and the second tube side of the water tank is connected on originally
Between water lines and domestic hot-water's pipeline；On heating water supply pipe, heating water return pipeline, tap water pipe line and domestic hot-water's pipeline
It is equipped with shut-off valve；The difunctional head of compression-expansion is connect with the generating integrated motor of the permanent-magnet electric；The low level
Side heat exchanger is using air-cooled, including working medium side and wind turbine, the Single port of the working medium side of low level side heat exchanger pass through the pressure
The Single port of the working medium side of the high-order side heat exchanger, the work of high position side heat exchanger are connected to after the difunctional head of contracting expansion
The another port of matter side and the another port of the working medium side of low level side heat exchanger are parallel with the first bypass and the second bypass,
In, the first bypass is equipped with expansion valve, in the first bypass, sets there are one shut-off valve, is located at positioned at the entrance of the expansion valve
The exit of the expansion valve is equipped with heat pump check valve；Second bypass is equipped with working medium pump, and second bypasses, and is located at the working medium
The entrance of pump sets the exit for being located at the working medium pump there are one shut-off valve equipped with power generation check valve.
Using the operation method of above-mentioned hot-water type solar-energy air-energy cogeneration of heat and power integral system, by adjusting valve
On and off is realized and utilizes solar air source heat pumps heat and heat water supplying in Heating Period, is sent out using solar energy in non-heating period
Electricity simultaneously provides hot water；Including：In Heating Period, the shut-off valve in the second bypass is closed, meanwhile, other shut-off valves are opened, into too
Positive energy air source heat pump heat and heat water supplying system running pattern；In non-heating period, closes setting and returned in heating water supply pipe, heating
Shut-off valve in water lines and the first bypass, meanwhile, other shut-off valves are opened, into hot-water type solar power generation heat supply water running
Pattern.
Further, realize is the step of solar air source heat pumps heat and heat water supplying system operation：Start the first water pump,
Water in water tank is squeezed into solar thermal collector and sends water tank back to after heat absorption heating, solar thermal collector hot water is completed and follows
Ring；When solar energy deficiency, it is difunctional with electric model operation driving compression-expansion to start the generating integrated motor of permanent-magnet electric
Head is run with compressed mode to enter a high position after the dry saturation gaseous organic matter generated in the heat exchanger of low level side pressurization heating
Heat release is condensed into saturated liquid in the heat exchanger of side, is low dry into expansion valve decompression cooling by the shut-off valve in the first bypass
Damp steam is spent, then, dry saturation vapor is evaporated to using heat absorption in the heat exchanger of low level side is introduced in after heat pump check valve, it is complete
It is recycled at air source heat pump working medium side；In air source heat pump low level wind side, starts wind turbine and realize air and air source heat pump working medium
Forced-convection heat transfer, air can be passed into working medium；In air source heat pump high position water side, starting the second water pump will be in water tank
Water squeeze into high-order side heat exchanger after heat absorption heating and be sent into water tank and complete cycle；In solar thermal collector hot water circuit,
The discharge after entering the first tube side heat absorption heating in water tank of heating return water is that heating is supplied water；It is recycled in air source heat pump
In, tap water enters discharge offer domestic hot-water after the heat absorption heating of the second tube side in water tank.
Realize hot-water type solar power generation heat supply water running the step of be：Start the first water pump to squeeze into the water in water tank
Water tank 1 is sent into after heat absorption heating in solar thermal collector and completes solar thermal collector hot water circuit, be used for low-temperature electricity-generating and life
Hot water supply living；Meanwhile starting working medium pump, the saturated liquid organic working medium generated in low level heat exchanger enters work by shut-off valve
After matter pumps pressurized heating, the dry saturation steaming that heat absorption in high-order side heat exchanger is evaporated to high pressure-temperature is squeezed by the check valve that generates electricity
Gas is run into the difunctional head of compression-expansion with expansion mechanism, while driving the generating integrated motor of permanent-magnet electric to generate electricity
Mode operation is produced electricl energy and is exported, and the low-pressure low-temperature gaseous working medium after expansion, which enters in low level heat exchanger, is condensed into saturated liquid
Complete low-temperature electricity-generating working medium side cycle；In low-temperature electricity-generating low level wind side, start the pressure pair that wind turbine realizes air and generating working medium
Stream heat exchange, by the heat transfer in working medium to air, discharges into the atmosphere；In low-temperature electricity-generating high position water side, start the second water pump
Water in water tank is squeezed into and is sent into water tank completion low-temperature electricity-generating hot water circuit in high-order side heat exchanger after heat release cooling；Originally
Discharge provides domestic hot-water after water enters the heat absorption heating of the second tube side in water tank.
Compared with prior art, the beneficial effects of the invention are as follows：
Hot-water type solar-energy air-energy cogeneration of heat and power integral system proposed by the present invention using hot-water type solar heating,
The organic coupling of air source heat pump and ORC (organic Rankine cycle) low-temperature generation technology constitutes solar-energy air-energy comprehensive utilization system
System.It realizes in Heating Period heating, non-heating period implements solar energy thermal-power-generating, while annual as needed can also provide life heat
The function of water.It mainly has the beneficial effect that：
1. hot-water type solar-energy air-energy cogeneration of heat and power integral system can realize that Heating Period is adopted using solar energy with air
It is warm, non-heating period power generation, the building demand of annual supplying hot water；In addition, air source heat pump is at low cost, installation is simple, and efficiency is high, in advance
The hot time is short, can quickly reach room temperature requirement, be highly suitable as the auxiliary thermal source of solar heating system.Therefore the one
Change system is to be suitable for the regenerative resource new application technology of the vast northern area heating in China, can effectively improve tradition and adopt
The dual-pressure that warm mode is brought to China's energy and environment.
2. hot-water type solar-energy air-energy cogeneration of heat and power integral system utilizes non-heating period too based on Organic Rankine Cycle
The a large amount of low-temperature water heatings output cleaning electric energy supply building use generated in positive energy heat collector, the maximization for realizing solar energy are answered
With.For effective solution since solar energy winter summer energy is unbalanced, accumulation of energy is difficult, caused by tradition solar heating system is non-adopts
The problem of warm period heat surplus.Meanwhile the organic coupling of air source heat pump and low-temperature generating system, a tractor serves several purposes, it reduces often
Advise solar air source heat pumps combined type heating system investment payback time and the equipment energy waste brought idle for a long time and
Economic loss.
Description of the drawings
Fig. 1 is the structure diagram of hot-water type solar-energy air-energy cogeneration of heat and power integral system.
In figure：1- water tanks, the first water pumps of 2-, 3- solar thermal collectors, 4- low levels side heat exchanger, the double work(of 5- compression-expansions
Energy head, the generating integrated motor of 6- permanent-magnet electrics, 7- high positions side heat exchanger, 8- expansion valves, 9- working medium pumps, 10- wind turbines, 11-
Second water pump, V1~V6- shut-off valves, C1- heat pump check valves, C2- power generation check valves.
Specific implementation mode
Technical solution of the present invention is described in further detail in the following with reference to the drawings and specific embodiments, it is described specific
Embodiment is only explained the present invention, is not intended to limit the invention.
Hot-water type solar-energy air-energy cogeneration of heat and power integral system proposed by the present invention is by hot-water type solar heating, sky
Air supply heat pump and ORC (organic Rankine cycle) low-temperature generation technology are organically coupled, and constitute solar-energy air-energy comprehensive utilization
System realizes Heating Period heating, the annual method of operation of non-heating period power generation, while annual as needed can also provide life
Hot water is realized and is maximumlly utilized within the scope of solar energy resources whole year.
The system is characterized mainly in that：Heating Period utilizes the heat and heat water supplying process of solar energy and air energy；It is adopted non-
Heat power generation and supplying hot water process of the warm period using solar energy with air energy.Compared to traditional solar energy and air source heat pump heating
System, the system have the dual function of heat supply and power generation, annual can run.
As shown in Figure 1, a kind of hot-water type solar-energy air-energy cogeneration of heat and power integral system proposed by the present invention, including storage
Water tank 1, the first water pump 2, solar thermal collector 3, low level side heat exchanger 4, the difunctional head 5 of compression-expansion, permanent-magnet electric power generation
Integrated electric motor 6, high-order side heat exchanger 7, expansion valve 8, working medium pump 9 and the second water pump 11.
It is connected by connecting line between above-mentioned each equipment and valve body, connection relation is as follows：
Two-way coil pipe is equipped in the water tank 1, to which the cavity of the water tank 1 is divided into shell side, first tube side
With the second tube side, the shell side of the water tank 1 is equipped with two groups of inlet and outlet, described in the outlet end of the solar thermal collector 3 is passed through
The input end of the solar thermal collector 3 is connected to after the shell side of water tank 1 after first water pump 2, forms solar energy
Hot water circulating pipeline；The shell side of the water tank 1 is connect by second water pump 11 with the water side of high-order side heat exchanger 7.
First tube side of the water tank 1 is connected on heating confession-water return pipeline, the second tube side string of the water tank 1
It is associated between tap water pipe line and domestic hot-water's pipeline；Heating water supply pipe, heating water return pipeline, tap water pipe line and life heat
Shut-off valve is equipped in water lines.
The generating integrated motor of the difunctional head 5 of compression-expansion and the permanent-magnet electric 6 is connect；The low level side is changed
The use of hot device 4 is air-cooled, including working medium side and wind turbine 10, and the Single port of the working medium side of low level side heat exchanger 4 (should when Heating Period
Port is the outlet end of working medium, and the port is the input end of working medium when non-heating period) pass through the difunctional head of the compression-expansion 5
Being connected to the Single port of the working medium side of the high-order side heat exchanger 7 afterwards, (port is the input end of working medium, non-heating when Heating Period
The port is the outlet end of working medium when the phase), the another port of the working medium side of the high position side heat exchanger 7 (port when Heating Period
For the outlet end of working medium, the port is the input end of working medium when non-heating period) it is another with the working medium side of low level side heat exchanger 4
Single port (port is the input end of working medium when Heating Period, and the port is the outlet end of working medium when non-heating period) is parallel with first
It bypasses and second bypasses, wherein the first bypass is equipped with expansion valve 8, and first bypasses, and is located at the entrance of the expansion valve 8
If there are one shut-off valve V5, the exit for being located at the expansion valve 8 is equipped with heat pump check valve C1；Second bypass is equipped with working medium pump
9, second bypasses, and is set there are one shut-off valve V6 positioned at the entrance of the working medium pump 9, is located at the exit of the working medium pump 9
Equipped with power generation check valve C2.
Hot-water type solar-energy air-energy cogeneration of heat and power integral system of the present invention can be divided into solar thermal collector hot water system
System, air source heat pump low-temperature electricity-generating integral system, heat four major parts such as water system and domestic hot-water supply system.
Wherein solar thermal collector hot-water heating system is mainly made of water tank, water pump and solar thermal collector etc.；Air source heat pump is low
Warm generating integrated system is by low level side heat exchanger, the difunctional head of compression-expansion, the generating integrated motor of permanent-magnet electric, a high position
Side heat exchanger, the compositions such as expansion valve, working medium pump, check valve, wind turbine；Heat water system by heating for water return pipeline, water tank with
And the compositions such as interior heating system；Domestic hot-water supply system then by tap water pipe line, domestic hot-water's water supply pipe, water tank with
And the compositions such as the building hot water supply system.
Using above-mentioned hot-water type solar-energy air-energy cogeneration of heat and power integral system, can by adjusting valve conducting or
It closes, realizes and utilize solar air source heat pumps heat and heat water supplying in Heating Period, using solar power generation and carried in non-heating period
Supplying hot water.
In Heating Period, when solar energy deficiency, air source heat pump low-temperature electricity-generating integral system is with air source heat pump pattern
Operation extracts heat from low level heat energy air energy and improves its grade, and assisted cryogenic solar thermal collector heats for building,
It can be supplied to domestic hot-water simultaneously.And in non-heating period, system switchs to low-temperature electricity-generating operational mode, is ensureing user domestic hot-water's
Under the premise of, it can be low-temperature receiver with air, the low temperature heat energy absorbed in solar thermal collector is turned by an Organic Rankine Cycle part
Electric energy is turned to use for building.
1. solar air source heat pumps heating water system
In Heating Period, the shut-off valve V6 in the second bypass is closed, meanwhile, other shut-off valves V1~V5 is opened, into the sun
It can air source heat pump heat and heat water supplying system running pattern；Detailed process is：Start the first water pump 2, the water in water tank 1 is beaten
Enter in solar thermal collector 3 and send water tank 1 back to after heat absorption heating, completes solar thermal collector hot water circuit.When solar energy deficiency
When, start permanent-magnet electric generating integrated motor 6 and the difunctional head of driving compression-expansion 5 is run with compressed mode with electric model
Operation is coagulated heat release in high-order heat exchanger 7 is sent into after the dry saturation gaseous organic matter generated in low level heat exchanger 4 pressurization heating
Become saturated liquid, is low mass dryness fraction damp steam into the decompression cooling of expansion valve 8, then using heat pump list by shut-off valve V5
It is introduced in heat absorption in low level heat exchanger 4 after to valve C1 and is evaporated to dry saturation vapor completion air source heat pump working medium side cycle.
Air source heat pump low level wind side starts the forced-convection heat transfer that wind turbine 10 realizes air and heat pump fluid, air can be passed to
Working medium.In air source heat pump high position water side, the second water pump 11 of startup, which squeezes into the water in water tank 1 in high-order side heat exchanger 7, to be inhaled
It is sent into water tank 1 after heat heating and completes cycle.Hot water storage prepared by solar thermal collector hot-water heating system or air source heat pump system
There are heating and supply domestic hot-water are used in water tank 1.Wherein, heating return water enters by shut-off valve V2 in water tank 1
After built-in coil pipe heat absorption heating heating water cycle is completed by shut-off valve V1 discharge supply building and heatings；Tap water passes through shut-off valve
V4 enters after the heat absorption heating of the built-in coil pipe in water tank 1 by shut-off valve V3 discharge supply building domestic hot-waters.
2. hot-water type solar power generation hot-water supply system
In non-heating period, close the shut-off valve V1 being arranged in heating water supply pipe, heating water return pipeline and the first bypass,
V2, V5, meanwhile, other shut-off valves V3, V4, V6 are opened, into hot-water type solar power generation supplying hot water operational mode.Detailed process
It is：Start feeding water tank 1 after the water in water tank 1 is squeezed into solar thermal collector 3 heating of absorbing heat by the first water pump 2 to complete too
Positive energy heat collector hot water cycle, is used for low-temperature electricity-generating and domestic hot-water supply；Meanwhile starting working medium pump 9, low level side heat exchanger 4
The saturated liquid organic working medium of middle generation is after shut-off valve V6 enters the pressurized heating of working medium pump 9, by the check valve C2 that generates electricity
The dry saturation vapor that heat absorption is evaporated to high pressure-temperature is squeezed into high-order side heat exchanger 7, into the difunctional head of compression-expansion 5 with swollen
Swollen mode operation, while driving the generating integrated motor of permanent-magnet electric 6 operation is produced electricl energy and exported in either a generation, after expansion
Low-pressure low-temperature gaseous working medium enter in low level side heat exchanger 4 be condensed into saturated liquid complete low-temperature electricity-generating working medium side cycle；
Low-temperature electricity-generating low level wind side starts the forced-convection heat transfer that wind turbine 10 realizes air and generating working medium, the heat in working medium is passed
Air is passed, is discharged into the atmosphere；In low-temperature electricity-generating high position water side, starts the second water pump 11 and the water in water tank 1 is squeezed into height
Water tank 1 is sent into after heat release cooling complete low-temperature electricity-generating hot water circuit in position side heat exchanger 7；In domestic hot-water supply system certainly
Water is after shut-off valve V4 enters the heat absorption heating of the second tube side in water receiver 1 by shut-off valve V3 discharge supply building lifes
Hot water living.
By taking Tianjin as an example, the annual interior production of hot-water type solar-energy air-energy cogeneration of heat and power integral system proposed by the present invention
Raw economy and Environmental Effect Analysis is as follows.
Tianjin is located at 117 ° 10 ' of east longitude, and 39 ° 06 ' of north latitude belongs to the very abundant area of China's solar energy resources, annual
Amount of radiation is in 5040~6300MJ/m2Between, it is equivalent to the heat that 172~215kg standard coal combustions are sent out.According to《It is civilian
Build solar heating system engineering's technical manual》, Tianjin solar engineering design each moon meteorologic parameter such as 1 institute of table used
Show, wherein：
Ta--- monthly average outside air temperature, DEG C；
Ht--- horizontal plane total solar radiation monthly average day irradiation, MJ/ (m2·d)；
Hd--- horizontal plane solar scattered radiation monthly average day irradiation, MJ/ (m2·d)；
Hb--- horizontal plane beam radia monthly average day irradiation, MJ/ (m2·d)；
H --- inclination angle is equal to total solar radiation monthly average day irradiation, MJ/ (m on local latitude inclined surface2·d)；
H0--- total solar radiation monthly average day irradiation on interface, MJ/ (m on atmosphere2·d)；
Sm--- sunshine hour moon number, h；
Kt--- air clearness index.
1 Tianjin solar engineering design of table each moon meteorologic parameter used
Since different building types are not quite similar for the demand of domestic hot-water, life heat is not related in this calculating
The supply of water.Take Tianjin Heating Period for November 15 to March 15, totally 121 days.It is equal to local latitude camber plane with inclination angle
On monthly average day amount of radiation, carry out unit square solar thermal collector daylighting area hot-water type solar-energy air-energy cogeneration of heat and power
The calculating of integral system Heating Period heating load, non-heating period generated energy.The wherein solar thermal collector work based on daylighting area
50% is taken as efficiency；The heat loss rate of pipeline and water tank is 10%；The generating efficiency of low-temperature electricity-generating operational mode unit is taken to be
6%；Tianjin heat metering price is per 0.25 yuan of kilowatt hour；Solar energy thermal-power-generating rate for incorporation into the power network is per 1.15 yuan of kilowatt hour.This
Outside, the conversion factor of heating power and standard coal is calculated by heat equivalent value, and the signature coefficient of electric power is then according to power industry
2016 annual development reports take 0.315kg/ (kWh), while taking unit mark coal CO2Discharge capacity is 2.65kg/kg, SO2Discharge capacity
For 1.49g/kg, NOxDischarge capacity is 1.37g/kg.Shown in correlation calculation result table 2.
2 hot-water type solar-energy air-energy cogeneration of heat and power integral system economy of table and environmental benefit result of calculation
As can be drawn from Table 2, by taking Tianjin as an example, for unit square solar thermal collector daylighting area, the present invention carries
The hot-water type solar-energy air-energy cogeneration of heat and power integral system gone out, solar heating phase heating load are 915kWh, non-heating
Phase generated energy is 24kWh, and annual economic well-being of workers and staff total value is 91 yuan, saves mark coal 39kg, CO2、SO2、NOxEmission reduction is distinguished
For 103kg, 58g, 53g.As it can be seen that the implementation of hot-water type solar-energy air-energy cogeneration of heat and power integral system will bring it is certain
Economy and environmental benefit.
Although above in conjunction with attached drawing, invention has been described, and the invention is not limited in above-mentioned specific implementations
Mode, the above mentioned embodiment is only schematical, rather than restrictive, and those skilled in the art are at this
Under the enlightenment of invention, without deviating from the spirit of the invention, many variations can also be made, these belong to the present invention's
Within protection.
Claims (4)
1. a kind of hot-water type solar-energy air-energy cogeneration of heat and power integral system, including water tank (1), the first water pump (2), the sun
Can heat collector (3), low level side heat exchanger (4), the difunctional head of compression-expansion (5), the generating integrated motor of permanent-magnet electric (6),
High-order side heat exchanger (7), expansion valve (8), working medium pump (9) and the second water pump (11)；
It is connected by connecting line between above-mentioned each equipment and valve body, connection relation is as follows：
Two-way coil pipe is equipped in the water tank (1), to which the cavity of the water tank (1) is divided into shell side, first tube side
Two groups of inlet and outlet are equipped with the shell side of the second tube side, the water tank (1), the outlet end of the solar thermal collector (3) is passed through
The input end of the solar thermal collector (3) is connected to after the shell side of the water tank (1) after first water pump (2),
Form solar heat water circulation pipe；The shell side of the water tank (1) passes through second water pump (11) and high-order side heat exchanger
(7) water side connection；
First tube side of the water tank (1) is connected on heating confession-water return pipeline, the second tube side string of the water tank (1)
It is associated between tap water pipe line and domestic hot-water's pipeline；Heating water supply pipe, heating water return pipeline, tap water pipe line and life heat
Shut-off valve is equipped in water lines；
The difunctional head of compression-expansion (5) connect with the generating integrated motor of the permanent-magnet electric (6)；
It is characterized in that：
Low level side heat exchanger (4) use is air-cooled, including working medium side and wind turbine (10), the work of low level side heat exchanger (4)
The Single port of matter side is by being connected to the working medium side of the high-order side heat exchanger (7) after the difunctional head of the compression-expansion (5)
Single port, the working medium side of another port and the low level side heat exchanger (4) of the working medium side of the high position side heat exchanger (7)
Another port is parallel with the first bypass and the second bypass, wherein the first bypass is equipped with expansion valve (8), and first bypasses, and is located at
The entrance of the expansion valve (8) is set there are one shut-off valve (V5), and it is unidirectional to be equipped with heat pump positioned at the exit of the expansion valve (8)
Valve (C1)；Second bypass be equipped with working medium pump (9), second bypass on, be located at the working medium pump (9) entrance set there are one cut
Only valve (V6), the exit for being located at the working medium pump (9) are equipped with power generation check valve (C2).
2. a kind of hot-water type solar-energy air-energy cogeneration of heat and power operation method, which is characterized in that utilize heat as described in claim 1
Water type solar-energy air-energy cogeneration of heat and power integral system is realized and is utilized in Heating Period by adjusting the on and off of valve
Solar air source heat pumps heat and heat water supplying using solar power generation and provides hot water in non-heating period；Including：
In Heating Period, the shut-off valve (V6) in the second bypass is closed, meanwhile, other shut-off valves are opened, into solar air source
Heat pump heating hot-water supply system operational mode；
In non-heating period, the shut-off valve being arranged in heating water supply pipe, heating water return pipeline and the first bypass is closed, meanwhile,
Other shut-off valves are opened, into hot-water type solar power generation supplying hot water operational mode.
3. hot-water type solar-energy air-energy cogeneration of heat and power operation method according to claim 2, which is characterized in that realize the sun
Energy air source heat pump heat and heat water supplying system operation, steps are as follows：
Start the first water pump (2), the water in water tank (1) is squeezed into solar thermal collector (3) and sends water storage back to after heat absorption heating
Case (1) completes solar thermal collector hot water circuit；
When solar energy deficiency, starts the generating integrated motor of permanent-magnet electric (6) and driving compression-expansion pair is run with electric model
Function head (5) runs to pressurize the middle dry saturation gaseous organic matter generated of low level side heat exchanger (4) with compressed mode and heat up
Enter heat release in high-order side heat exchanger (7) afterwards and be condensed into saturated liquid, by the shut-off valve (V5) in the first bypass, into expansion
Valve (8) decompression cooling is low mass dryness fraction damp steam, then, using being introduced in low level side heat exchanger after heat pump check valve (C1)
(4) heat absorption is evaporated to dry saturation vapor in, completes air source heat pump working medium side cycle；
In air source heat pump low level wind side, start the forced-convection heat transfer that wind turbine (10) realizes air and air source heat pump working medium,
Air can be passed into working medium；In air source heat pump high position water side, starts the second water pump (11) and squeeze into the water in water tank (1)
Water tank (1) is sent into after heat absorption heating complete cycle in high-order side heat exchanger (7)；
In solar thermal collector hot water circuit, heating return water is after into the first tube side heat absorption heating in water tank (1)
Discharge is that heating is supplied water；In air source heat pump cycle, tap water enters the heat absorption heating heel row of the second tube side in water tank (1)
Go out to provide domestic hot-water.
4. hot-water type solar-energy air-energy cogeneration of heat and power operation method according to claim 2, which is characterized in that realize hot water
Type solar power generation heat supply water running, steps are as follows：
Start after the water in water tank (1) is squeezed into solar thermal collector (3) heating of absorbing heat by the first water pump (2) and is sent into water tank
1 completes solar thermal collector hot water circuit, is used for low-temperature electricity-generating and domestic hot-water supply；
Meanwhile start working medium pump (9), the saturated liquid organic working medium generated in low level heat exchanger (4) by shut-off valve (V6) into
After entering the pressurized heating of working medium pump (9), squeezes into heat absorption in high-order side heat exchanger (7) by the check valve (C2) that generates electricity and be evaporated to high pressure
The dry saturation vapor of high temperature is run with expansion mechanism into the difunctional head of compression-expansion (5), while permanent-magnet electric being driven to generate electricity
Integrated electric motor (6) runs and produces electricl energy and export in either a generation, and the low-pressure low-temperature gaseous working medium after expansion enters low level and changes
It is condensed into saturated liquid in hot device (4) and completes low-temperature electricity-generating working medium side cycle；
In low-temperature electricity-generating low level wind side, start the forced-convection heat transfer that wind turbine (10) realizes air and generating working medium, it will be in working medium
Heat transfer to air, discharge into the atmosphere；
In low-temperature electricity-generating high position water side, the second water pump of startup (11), which squeezes into the water in water tank 1 in high-order side heat exchanger (7), to be put
It is sent into water tank (1) after heat drop temperature and completes low-temperature electricity-generating hot water circuit；
Discharge provides domestic hot-water after tap water enters the heat absorption heating of the second tube side in water tank (1).
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| CN201810058193.4A CN108375101A (en) | 2018-01-19 | 2018-01-19 | Hot-water type solar-energy air-energy cogeneration of heat and power integral system and operation method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111609552A (en) * | 2020-04-23 | 2020-09-01 | 青岛海尔空调电子有限公司 | Hot water unit |
| CN112762424A (en) * | 2021-01-07 | 2021-05-07 | 中国船舶重工集团新能源有限责任公司 | Solar thermoelectric coupling system based on combination of heat storage and compression heat pump and operation method thereof |
| WO2021212956A1 (en) * | 2020-04-23 | 2021-10-28 | 青岛海尔空调电子有限公司 | Control method for hot water unit |
| CN113669122A (en) * | 2021-08-13 | 2021-11-19 | 普世通（北京）电气有限公司 | Novel low-carbon extra-high voltage converter station energy utilization system |
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2018
- 2018-01-19 CN CN201810058193.4A patent/CN108375101A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111609552A (en) * | 2020-04-23 | 2020-09-01 | 青岛海尔空调电子有限公司 | Hot water unit |
| WO2021212962A1 (en) * | 2020-04-23 | 2021-10-28 | 青岛海尔空调电子有限公司 | Water heating unit |
| WO2021212956A1 (en) * | 2020-04-23 | 2021-10-28 | 青岛海尔空调电子有限公司 | Control method for hot water unit |
| CN112762424A (en) * | 2021-01-07 | 2021-05-07 | 中国船舶重工集团新能源有限责任公司 | Solar thermoelectric coupling system based on combination of heat storage and compression heat pump and operation method thereof |
| CN112762424B (en) * | 2021-01-07 | 2022-10-18 | 中国船舶重工集团新能源有限责任公司 | Solar thermoelectric coupling system based on combination of heat storage and compression heat pump and operation method thereof |
| CN113669122A (en) * | 2021-08-13 | 2021-11-19 | 普世通（北京）电气有限公司 | Novel low-carbon extra-high voltage converter station energy utilization system |
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