CN102338051B - Solar/ground source heat integrated electricity generation/cold/heating co-supply device - Google Patents
Solar/ground source heat integrated electricity generation/cold/heating co-supply device Download PDFInfo
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- CN102338051B CN102338051B CN 201010238482 CN201010238482A CN102338051B CN 102338051 B CN102338051 B CN 102338051B CN 201010238482 CN201010238482 CN 201010238482 CN 201010238482 A CN201010238482 A CN 201010238482A CN 102338051 B CN102338051 B CN 102338051B
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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
- Y02E10/10—Geothermal energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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Abstract
The invention relates to a solar/ground source heat integrated electricity generation /cold/heating co-supply device. The device comprises an expansion machine (1), a generator (2), an ejector (3), a condenser (4), a working medium storage tank (5), a throttle (6), an evaporator (7), a working medium pump (8), a water pump (9), a ground or water source rack pipe (10), a heat source exchanger (13), a solar collector (14) and an afterburning burner (16) which are connected by connecting pipelines. According to the invention, the solar collector is used for heating heat transfer oil; in the case of lack of sunlight, the heat transfer oil is heated by using afterburning natural gas or biomass to be used as a system heat source, underground water or water from lakes, rivers and oceans is used another heat (cold) source; and a safe and environmentally friendly organic matter with a low boiling point is selected as a working medium; and thus a closed circulation system is formed. The device has the following working modes: electricity generation and refrigeration co-supply, electricity generation and heating co-supply, pure refrigeration, pure heating, pure electricity generation and can be adjusted through the on/off of a valve so as to realize electricity generation /cold/heating co-supply.
Description
Technical field
The present invention relates to a kind of solar heat energy and (water) source, ground heat energy utilization, especially relate to the integrated combined cold heat and power supply device of a kind of solar energy and ground source heat.
Background technique
Solar energy and ground source heat energy aboundresources, inexhaustible, clean and safe can freely be used, and need not again transportation, without any pollution, is renewable energy sources to environment.Solar energy utilizes mode to have two kinds, and a kind of is solar-photovoltaic technology, and another kind is the solar heat power technology, and because solar energy density is low, heat source temperature is not high, and the solar heat power technology is based on the organic matter Rankine cycle technology of thermal-arrest.Ground source heat can be by the soil accumulation of energy, the earth is worked as a large heat retainer, with throughout the year storage of solar energy in deep soil, solar energy and soil accumulation of energy combine, the storage of solar energy of easily collecting summer is arrived soil, heat pump techniques is exactly to take out in the winter time the soil accumulation of energy to carry out heat supply, adopts same system to take out in summer and freezes, for building provides cold-peace heat.
Solar energy optical-thermal heats conduction oil as thermal source, and is large due to the heat-conduction oil heat capacity, the capacity of heat transmission is strong, boiling point is high, with the water ratio of routine, working pressure is low, have better actual usability, be suitable for as thermal source working medium, and organic substance working medium low boiling is suitable for as generating and cooling working medium.
Organic substance working medium Rankine cycle low temperature heat resource power generation technology is a kind of effective low temperature heat energy recoverying and utilizing method, and it is converted into electric energy with the carrier of low-boiling-point organic compound working medium as energy with low grade heat energy.During lower than 200 ℃, organic matter Rankine cycle working medium range of choice is wide, and is with strong points when heat source temperature, and equipment requirement is relatively simple, compares with the water vapour Rankine cycle of routine, has higher energy utilization rate.
Ground source heat pump technology (Ground-Source Heat Pump) utilizes the metastable characteristic of underground soil temperature, by consuming electric energy, winter the transfer of heat in low level heat energy to the place that needs heat supply or heat, in indoor waste heat can also being transferred to low level heat energy summer, reach the purpose of cooling or refrigeration.Earth source heat pump does not need artificial cold ﹠ heat source, and winter is heat-obtaining from soil, heats to building; Summer, to architecture refrigerating, simultaneously, it also can supply domestic water, is killing three birds with one stone to the soil heat release, was a kind of mode that effectively utilizes the energy.From the heat power principle analysis, utilizing soil in air-conditioning system is very attractive as cold and heat source, because the annual temperature substantial constant of soil, so earth-source hot-pump system is more effective, more energy-conservation than traditional heating ventilation air-conditioning system, it does not discharge any waste gas, waste water, waste residue to the external world, be a kind of desirable " green energy resource ".
Ejector refrigeration system relies on its equipment simple, easy to maintenance, and environmental protection is reliable, is applicable to solar energy, geothermal power, and the advantages such as low temperature exhaust heat recovery become a study hotspot in refrigerating field again.
The pump integrated supply of cooling, heating and electrical powers of solar heat is that solar heat power technology, ejector refrigeration technology and heat pump techniques are organically combined, both having made up heat pump can't provide the deficiency of electric energy, improved again the generating efficiency of solar generator, can effectively reduce the plate surface temperature of heat collector, improve collector efficiency.And have result of study to show, the solar heat pump cooling heating and power generation system is more energy-conservation more than 60% than simple heat pump air conditioner, provides more than 80% than the efficient of simple solar heat power generation system.
Through to the prior art literature search, there is no the report of the heating integrated combined cold heat and power supply technology in source, solar heat/ground (water).
Summary of the invention
Purpose of the present invention is exactly solar energy and the integrated combined cold heat and power supply device of ground source heat that a kind of easy to use, applied widely, energy-conserving and environment-protective are provided in order to overcome the defective that above-mentioned prior art exists.
Purpose of the present invention can be achieved through the following technical solutions:
the integrated combined cold heat and power supply device of a kind of solar energy and ground source heat, it is characterized in that, this device comprises decompressor, generator, sparger, condenser, working medium storage tank, throttle valve, vaporizer, working medium pump, water pump, ground or water source comb, the thermal source exchanger, solar thermal collector and afterburning burner, described solar thermal collector is connected with thermal source exchanger conduction oil inlet pipe through the conduction oil outlet conduit, the thermal source exchanger is connected with the afterburning burner inlet through the conduction oil outlet conduit, the afterburning burner outlet is connected with solar thermal collector, described working medium pump one end is connected with thermal source exchanger working medium entrance through valve, the other end connects working medium storage tank, the thermal source exchanger outlet is connected with the decompressor entrance, the main shaft of decompressor is connected by the main shaft of shaft joint and generator, the outlet of decompressor is connected with the Working-fluid intaking of sparger, the sender property outlet of sparger is connected with the entrance of condenser, condensator outlet is connected with the working medium storage tank entrance, outlet of one end of described throttle valve and working medium storage tank is connected, the other end is connected with vaporizer working medium entrance, the vaporizer sender property outlet is connected with sparger driving fluid entry end, described ground or water source comb are connected through pipeline with condenser through water pump.
The sender property outlet pipeline of described thermal source exchanger and the sender property outlet pipeline enclosure of decompressor are connected with bypass solenoid valve E, be connected with bypass solenoid valve F between the sender property outlet pipeline of described sparger and Working-fluid intaking pipeline, on described ground or water source comb and hot user's connecting tube, solenoid valve A1, solenoid valve A2, solenoid valve B1 and solenoid valve B2 are set, and on the connecting tube at colod-application family, solenoid valve C1, solenoid valve C2, solenoid valve D1 and solenoid valve D2 are set.
Described ground or water source comb import water source in condenser and vaporizer through water pump.
Described combined supply apparatus heats conduction oil by solar thermal collector, afterburning rock gas or living beings heating conduction oil is as thermal source when sunlight is not enough, as another thermal source or low-temperature receiver, as working medium, form closed cycle system with low-boiling-point organic compound with underground water, lake water, river or seawater.
Described low-boiling-point organic compound comprises commercially available R11, R141b, R123 or R245fa.
The integrated combined cold heat and power supply device of described solar energy and ground source heat is closed solenoid valve A1 and solenoid valve B1, solenoid valve A2 and solenoid valve B2 open, solenoid valve D1 and solenoid valve C1 open, solenoid valve D2 and solenoid valve C2 close, bypass solenoid valve E is in closed condition, bypass solenoid valve F is in closed condition, and throttle valve is in opening state, and this device is realized the generating and cooling alliance.
The integrated combined cold heat and power supply device of described solar energy and ground source heat is opened solenoid valve A1 and solenoid valve B1, solenoid valve A2 and solenoid valve B2 close, solenoid valve D1 and solenoid valve C1 close, solenoid valve D2 and solenoid valve C2 open, bypass solenoid valve E is in closed condition, bypass solenoid valve F is in closed condition, and throttle valve is in opening state, and this device is realized the power generation and heat supply alliance.
The integrated combined cold heat and power supply device of described solar energy and ground source heat is closed solenoid valve A1 and solenoid valve B1, solenoid valve A2 and solenoid valve B2 open, solenoid valve D1 and solenoid valve C1 open, solenoid valve D2 and solenoid valve C2 close, bypass solenoid valve E is in open mode, bypass solenoid valve F is in closed condition, and throttle valve is in opening state, and this device is realized pure refrigeration alliance.
The integrated combined cold heat and power supply device of described solar energy and ground source heat is opened solenoid valve A1 and solenoid valve B1, solenoid valve A2 and solenoid valve B2 close, solenoid valve D1 and solenoid valve C1 close, solenoid valve D2 and solenoid valve C2 open, bypass solenoid valve E is in open mode, bypass solenoid valve F is in closed condition, and throttle valve is in open mode, and this device is realized pure heat supply alliance.
The integrated combined cold heat and power supply device of described solar energy and ground source heat is closed solenoid valve A1 and solenoid valve B1, solenoid valve A2 and solenoid valve B2 open, and bypass solenoid valve E is in closed condition, and bypass solenoid valve F is in open mode, throttle valve is in closed condition, and this device is realized pure generating.
Compared with prior art, the present invention is by take solar energy and underground heat as main, rock gas or living beings afterburning heating conduction oil, organic matter Rankine cycle power generation system same jet-type technology and heat pump techniques are organically combined, satisfy user's electric weight, the demand of cold and heat, decompressor, heat pump and sparger series winding are arranged, switch winter generating and heat supply, generating in summer and refrigeration by valve, can satisfy the user to electric energy, the demand of heat energy and cold.Use the function of working medium gasification latent heat refrigeration and heat supply, greatly improved refrigeration and the heating performance of combination supply system, have advantages of simple in structure, good reliability, easy to use, applied widely, energy-conserving and environment-protective.
Description of drawings
Fig. 1 is structural representation of the present invention.
in figure, 1 is decompressor, 2 is generator, 3 is sparger, 4 is condenser, 5 is working medium storage tank, 6 is throttle valve, 7 is vaporizer, 8 is working medium pump, 9 is water pump, 10 is ground or water source comb, 11 is hot user, 12 is colod-application family, 13 is thermal source exchanger 13, 14 is solar thermal collector, 15 is the afterburning burner, A1 is solenoid valve, A2 is solenoid valve, B1 is solenoid valve, B2 is solenoid valve, C1 is solenoid valve, C2 is solenoid valve, D1 is solenoid valve, D2 is solenoid valve, E is bypass solenoid valve, F is the bypass solenoid valve door.
Embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
Embodiment
the integrated combined cold heat and power supply device of a kind of solar energy and ground source heat, its structure as shown in Figure 1, this device comprises decompressor 1, generator 2, sparger 3, condenser 4, working medium storage tank 5, throttle valve 6, vaporizer 7, working medium pump 8, water pump 9, ground or water source comb 10, thermal source exchanger 13, solar thermal collector 14 and afterburning burner 16, solar thermal collector 14 is connected with thermal source exchanger 13 conduction oil inlet pipes through the conduction oil outlet conduit, thermal source exchanger 13 is connected through the entrance of conduction oil outlet conduit with afterburning burner 16, the outlet of afterburning burner 16 is connected with solar thermal collector 14, conduction oil adopts natural circulation mode.
one end of working medium pump 8 is connected with thermal source exchanger 13 working medium entrances through valve, the other end connects working medium storage tank 5, the outlet of thermal source exchanger 13 is connected with the entrance of decompressor 1, the main shaft of decompressor 1 is connected by the main shaft of shaft joint with generator 2, the outlet of decompressor 1 is connected with the Working-fluid intaking of sparger 3, the sender property outlet of sparger 3 is connected with the entrance of condenser 4, condenser 4 outlets are connected with working medium storage tank 5 entrances, an outlet of one end of throttle valve 6 and working medium storage tank 5 is connected, the working medium entrance of the other end and vaporizer 7 is connected, the sender property outlet of vaporizer 7 is connected with the driving fluid entry end of sparger 3, ground or water source comb 10 are connected through pipeline with condenser 4 through water pump 9, water source is imported in condenser 4 and vaporizer 7.
The sender property outlet pipeline of thermal source exchanger 13 and the sender property outlet pipeline enclosure of decompressor 1 are connected with bypass solenoid valve E, are connected with bypass solenoid valve F between the sender property outlet pipeline of sparger 3 and Working-fluid intaking pipeline.
the entrance of water pump 9 is connected with the outlet conduit of ground or water source comb 10, the outlet of water pump 9 and solenoid valve A2, solenoid valve D2 is connected, solenoid valve A2 is connected with entrance and the solenoid valve A1 of condenser 4, the outlet conduit of condenser 4 is connected with solenoid valve B1 and solenoid valve B2, the outlet conduit of solenoid valve B1 is connected with hot user's 11 pipeline, the end of solenoid valve A1 is connected with the pipeline of solenoid valve A2, the other end of solenoid valve A1 is connected with hot user's 11 pipeline, the end of solenoid valve B2 is connected with the outlet conduit of condenser 4, the end of solenoid valve B2 is connected with the entrance of ground or water source comb 10.
The outlet of water pump 9 is connected with solenoid valve D2, solenoid valve D2 is connected with entrance and the solenoid valve D1 of vaporizer 7, the outlet conduit of vaporizer 7 is connected with solenoid valve C1 and solenoid valve C2, the outlet conduit of solenoid valve D1 is connected with the pipeline at colod-application family 12, the end of solenoid valve C1 is connected with the pipeline of solenoid valve C2, the other end of solenoid valve C1 is connected with the pipeline at colod-application family 12, the end of solenoid valve C2 is connected with the outlet conduit of vaporizer 7, and the end of solenoid valve C2 is connected with the inlet pipe at source, ground (water source).
The integrated combined cold heat and power supply device of solar energy and ground source heat is provided with five kinds of working methods such as generating and cooling alliance state, power generation and heat supply alliance state, pure refrigeration alliance state, pure heat supply alliance state and pure generating state.
Mode one: generating and cooling working method
When the integrated combined cold heat and power supply device of solar energy and ground source heat is in generating and cooling alliance state, solenoid valve A1 and solenoid valve B1 close, solenoid valve A2 and solenoid valve B2 open, solenoid valve D1 and solenoid valve C1 open, solenoid valve D2 and solenoid valve C2 close, bypass solenoid valve E is in closed condition, and bypass solenoid valve F is in closed condition, and throttle valve 6 is in opening state.
In system's generating and cooling working procedure, solar energy heating conduction oil, afterburning rock gas or living beings when sunlight is not enough, heat-conducting oil heating thermal source exchanger 13, conduction oil natural circulation; Liquid saturated low-boiling-point organic compound working medium improves pressure via working medium pump 8, by heat-conducting oil heating, makes working medium become superheat state by liquid state in thermal source exchanger 13, high temperature and high pressure gas and then promote decompressor 1 work, and drive 2 groups, generator and outwards export electric work.Export the Working medium gas of discharge as the relatively high working fluid of pressure from decompressor 1, flow into sparger 3, with the low-temp low-pressure gas injection of vaporizer 7 outlet sides to sparger 3, both process is mixed diffusion in sparger 3, enter in condenser 4, organic substance working medium becomes liquid state by gaseous state under water source (lake water, river or seawater) cooling.A liquid refrigerant part comes back in thermal source exchanger 13 via the working medium pump pressurization, completes power generation cycle, and another part comes back in vaporizer 7 via throttle valve 6 decrease temperature and pressure, exports cold water to the user, completes refrigeration cycle.In whole cyclic process, by the cooling organic substance working medium of water source (lake water, river or seawater), organic substance working medium gaseous state becomes liquid state, and liberated heat is brought the earth (lake, river) into, system constantly exports electric energy and cold to the user, thereby realizes utilizing generating and cooling.
Concrete operation step is as follows:
Its working medium adopts R141b, R123 or R245fa, conduction oil is heated to 120 ℃ through sunlight, by thermal source exchanger 13 heating organic substance working medium to 100 ℃, and thermal source exchanger 13 evaporating pressure 1.0MPa, expansion ratio 3, turbine outlet pressure 0.33MPa, condenser 4 condensing temperatures are 25 ℃, condensing pressure 0.117MPa, 7 ℃ of vaporizer 7 evaporating temperatures, vaporizer 7 evaporating pressure 0.068MPa, 22 ℃ of water source (lake water, river or seawater) temperature illustrate circulation process.Parameter related in specific implementation process is not construed as limiting the present invention.
(1) the solar energy heating conduction oil is to approximately 120 ℃, and afterburning rock gas or living beings when sunlight is not enough guarantee that the conduction oil temperature in thermal source exchanger 13 tanks arrives approximately 118 ℃, the conduction oil natural circulation;
(2) approximately the saturated liquid state organics working medium of 25 ℃ improves pressure to 1.0MPa by working medium pump, sends in thermal source exchanger 13 and passes through heat-conducting oil heating;
(3) liquid refrigerant is heated to 100 ℃ in thermal source exchanger 13,10 ℃ of the degrees of superheat, pressure 1.0MPa;
(4) enter decompressor 1 from thermal source exchanger 13 gas working medium out, promotion decompressor 1 drives motor 2 and rotates acting and output powers, and after working medium process decompressor 1 expanded, pressure decreased is 0.33MPa extremely approximately, and the working medium after overexpansion is still overheated gas;
The working medium superheated vapor of (5) being discharged by decompressor 1 enters sparger 3 as working fluid, working substance steam with refrigeration end vaporizer 7 outlet sides, injection is to sparger 3, working fluid mixes in the mixing chamber of sparger 3 with driving fluid, and then recover pressure to 0.117MPa by Diffuser, approximately 62 ℃ of temperature;
(6) Working medium gas that flows out from sparger 3 enters into condenser 4, by water source (lake water, river or seawater) approximately 22 ℃ absorb heats and be cooled to saturated liquids, heat is brought into the earth (lake, river or sea).Condensing pressure is 0.117MPa approximately, approximately 25 ℃ of condensing temperatures, saturated condensed fluid enters working medium storage tank 5, the saturated condensed fluid of a part is sent in thermal source exchanger 13 via working medium pump 8 pressurizations, complete power generation cycle, the saturated condensed fluid of another part is by throttle valve 6 reducing pressure by regulating flows, and Pressure Drop is 0.068MPa extremely approximately, and temperature is down to approximately 7 ℃;
(7) worker quality liquid that flows out from throttle valve 6 enters into vaporizer 7 evaporations, provides cold water to the user, and evaporating pressure is 0.068MPa approximately, approximately 18 ℃ of evaporating temperatures;
(8) working substance steam that flows out from vaporizer 7 enters into sparger 3 as driving fluid, thereby completes whole cyclic process, realizes the output of system power and cold.
Mode two: power generation and heat supply working method
When the integrated combined cold heat and power supply device of solar energy and ground source heat is in power generation and heat supply alliance state, solenoid valve A1 and solenoid valve B1 open, solenoid valve A2 and solenoid valve B2 close, solenoid valve D1 and solenoid valve C1 close, solenoid valve D2 and solenoid valve C2 open, bypass solenoid valve E is in closed condition, and bypass solenoid valve F is in closed condition, and throttle valve 6 is in opening state.
In system's power generation and heat supply working procedure, solar energy heating conduction oil, afterburning rock gas or living beings when sunlight is not enough, heat-conducting oil heating thermal source exchanger 13, conduction oil natural circulation; Liquid saturated low-boiling-point organic compound working medium improves pressure via working medium pump, by heat-conducting oil heating, makes working medium become superheat state by liquid state in thermal source exchanger 13, high temperature and high pressure gas and then 1 work of promotion decompressor, and the drive generator set is outwards exported electric work.The Working medium gas of discharging from decompressor 1 outlet enters condenser 4, and organic substance working medium heats heat medium water.When outwards providing hot water, working medium is condensed into liquid state, and comes back in working medium storage tank 58.A liquid refrigerant part comes back in thermal source exchanger 13 via the working medium pump pressurization, complete power generation cycle, another part is via throttle valve 6 decrease temperature and pressure, get back in vaporizer 7, absorb heat from water source (lake water, river or seawater), enter condenser 4 by sparger 3, export hot water to the user, complete for thermal cycle.In whole cyclic process, by water source (lake water, river or seawater) heating organic substance working medium, organic substance working medium liquid state becomes gaseous state, and system constantly exports electric energy and heat to the user, thereby realizes utilizing power generation and heat supply.
Concrete operation step is as follows:
Working medium is R141b, R123 or R600, conduction oil is heated to 120 ℃ through sunlight, by thermal source exchanger 13 heating organic substance working medium to 118 ℃, thermal source exchanger 13 evaporating pressure 1.0MPa, turbine expansion are than 3, turbine outlet pressure 0.33MPa, condenser 4 condensing temperatures are 25 ℃, condensing pressure 0.13MPa, 50 ℃ of heat medium water outlet temperatures illustrate circulation process as running parameter.Parameter related in specific implementation process is not construed as limiting the present invention.
(1) the solar energy heating conduction oil is to approximately 120 ℃, and afterburning rock gas or living beings when sunlight is not enough guarantee that the conduction oil temperature in thermal source exchanger 13 arrives approximately 118 ℃, the conduction oil natural circulation;
(2) approximately the saturated liquid state organics working medium of 25 ℃ improves pressure to 1.0MPa by the speed governing working medium pump, sends in thermal source exchanger 13 and passes through heat-conducting oil heating;
(3) liquid refrigerant is heated to 100 ℃ in thermal source exchanger 13,10 ℃ of the degrees of superheat, pressure 1.0MPa;
(4) enter decompressor 1 from thermal source exchanger 13 gas working medium out, pushing generator 2 rotation acting and output powers, after working medium expanded through decompressor 1, pressure decreased is 0.33MPa extremely approximately, and the working medium after overexpansion is still overheated gas;
The working medium superheated vapor of (5) being discharged by decompressor 1 enters sparger 3 as working fluid, with the working substance steam injection of vaporizer 4 outlet sides to sparger 3, working fluid mixes in the mixing chamber of sparger 3 with driving fluid, and then recover pressure to 0.137MPa by Diffuser, approximately 62 ℃ of temperature;
(6) Working medium gas that flows out from sparger 3 enters into condenser 4, condensing pressure is 0.137MPa approximately, hot user's heat medium water is taken away heat, and supply with hot user, approximately 25 ℃ of condensing temperatures, saturated condensed fluid enters working medium storage tank 5, and a part of saturated condensed fluid is sent in thermal source exchanger 13 via working medium pump 8 pressurizations, completes power generation cycle.
(7) the saturated condensed fluid of another part is by throttle valve 6 reducing pressure by regulating flows, and Pressure Drop is to about 0.09MPa, and temperature is down to approximately 7 ℃, by water source (lake water, river or seawater) approximately 22 ℃ put and receive heat to saturated liquids, heat is brought into organic working medium.
(8) working substance steam that flows out from vaporizer 7 enters into sparger 3 as driving fluid, thereby completes whole cyclic process, realizes the output of system power and cold.
Mode three: pure refrigerating mode thereof
When the integrated combined cold heat and power supply device of solar energy and ground source heat is in pure refrigeration alliance state, solenoid valve A1 and solenoid valve B1 close, solenoid valve A2 and solenoid valve B2 open, solenoid valve D1 and solenoid valve C1 open, solenoid valve D2 and solenoid valve C2 close, bypass solenoid valve E is in open mode, and bypass solenoid valve F is in closed condition, and throttle valve 6 is in opening state.
Mode four: pure heat supply working method
When the integrated combined cold heat and power supply device of solar energy and ground source heat is in pure heat supply alliance state, solenoid valve A1 and solenoid valve B1 open, solenoid valve A2 and solenoid valve B2 close, solenoid valve D1 and solenoid valve C1 close, solenoid valve D2 and solenoid valve C2 open, bypass solenoid valve E is in open mode, and bypass solenoid valve F is in closed condition, and throttle valve 6 is in open mode.
Mode five: pure generating working method
When the integrated combined cold heat and power supply device of solar energy and ground source heat is in pure generating state, solenoid valve A1 and solenoid valve B1 close, and solenoid valve A2 and solenoid valve B2 open, and bypass solenoid valve E is in closed condition, bypass solenoid valve F is in open mode, and throttle valve 6 is in closed condition.
According to the characteristic of working medium in desirable adiabatic expansion, working medium can be divided into dryness and moist two classes.Saturated moist working medium enters two-phase section in the turbine expansion process, to the larger negative effect of generation in working life of turbine blade, and saturated dryness working medium easily remains on the overheated zone in the inflation process of turbine.Therefore, enter two-phase section for fear of working medium in inflation process, the present invention adopts dryness working medium.
, skewness even intermittence low for solar energy density, huge with soil low calorie reserves, energy density is low and the characteristics of good stability, be to provide that a kind of wide adaptability, transformation efficiency are high, solar energy-ground heat energy mixes, the integrated supply of cooling, heating and electrical powers device take solar energy optical-thermal low-temperature electricity-generating and earth source heat pump as core of the present invention, utilize solar hot-water (or sunlight heat) and ground source heat as the main energy sources of system, rock gas or living beings device be thermal source as a supplement.Organic substance working medium turbogenerator, sparger and earth source heat pump are organically combined, can satisfy simultaneously the user summer to electricity consumption, refrigeration and domestic hot-water's demand, can satisfy simultaneously the user to electric energy winter, the demand of heat energy.
Claims (9)
1. a solar energy and the integrated combined cold heat and power supply device of ground source heat, it is characterized in that, this device comprises decompressor (1), generator (2), sparger (3), condenser (4), working medium storage tank (5), throttle valve (6), vaporizer (7), working medium pump (8), water pump (9), ground or water source comb (10), thermal source exchanger (13), solar thermal collector (14) and afterburning burner (15), described solar thermal collector (14) is connected with thermal source exchanger (13) conduction oil inlet pipe through the conduction oil outlet conduit, thermal source exchanger (13) is connected with afterburning burner (15) entrance through the conduction oil outlet conduit, afterburning burner (15) outlet is connected with solar thermal collector (14), described working medium pump (8) one ends are connected with thermal source exchanger (13) working medium entrance through valve, the other end connects working medium storage tank (5), thermal source exchanger (13) outlet is connected with decompressor (1) entrance, the main shaft of decompressor (1) is connected by the main shaft of shaft joint with generator (2), the outlet of decompressor (1) is connected with the Working-fluid intaking of sparger (3), the sender property outlet of sparger (3) is connected with the entrance of condenser (4), condenser (4) outlet is connected with working medium storage tank (5) entrance, (5) outlets of one end of described throttle valve (6) and working medium storage tank are connected, the other end is connected with vaporizer (7) working medium entrance, vaporizer (7) sender property outlet is connected with sparger (3) driving fluid entry end, described ground or water source comb (10) are connected through pipeline with condenser (4) through water pump (9).
2. a kind of solar energy according to claim 1 and the integrated combined cold heat and power supply device of ground source heat, it is characterized in that, the sender property outlet pipeline enclosure of the sender property outlet pipeline of described thermal source exchanger (13) and decompressor (1) is connected with bypass solenoid valve E, be connected with bypass solenoid valve F between the sender property outlet pipeline of described sparger (3) and Working-fluid intaking pipeline, on described ground or water source comb (10) and hot user's connecting tube, solenoid valve A1 is set, solenoid valve A2, solenoid valve B1 and solenoid valve B2, with on the connecting tube at colod-application family, solenoid valve C1 is set, solenoid valve C2, solenoid valve D1 and solenoid valve D2.
3. a kind of solar energy according to claim 1 and the integrated combined cold heat and power supply device of ground source heat, is characterized in that, described ground or water source comb (10) import water source in condenser (4) and vaporizer (7) through water pump (9).
4. a kind of solar energy according to claim 1 and the integrated combined cold heat and power supply device of ground source heat, it is characterized in that, described combined supply apparatus heats conduction oil by solar thermal collector, afterburning rock gas or living beings heating conduction oil is as thermal source when sunlight is not enough, with underground water, lake water, river or seawater as another thermal source or low-temperature receiver, as working medium, form closed cycle system with low-boiling-point organic compound.
5. a kind of solar energy according to claim 2 and the integrated combined cold heat and power supply device of ground source heat, it is characterized in that, the integrated combined cold heat and power supply device of described solar energy and ground source heat is closed solenoid valve A1 and solenoid valve B1, solenoid valve A2 and solenoid valve B2 open, solenoid valve D1 and solenoid valve C1 open, solenoid valve D2 and solenoid valve C2 close, bypass solenoid valve E is in closed condition, bypass solenoid valve F is in closed condition, throttle valve (6) is in opening state, and this device is realized the generating and cooling alliance.
6. a kind of solar energy according to claim 2 and the integrated combined cold heat and power supply device of ground source heat, it is characterized in that, the integrated combined cold heat and power supply device of described solar energy and ground source heat is opened solenoid valve A1 and solenoid valve B1, solenoid valve A2 and solenoid valve B2 close, solenoid valve D1 and solenoid valve C1 close, solenoid valve D2 and solenoid valve C2 open, bypass solenoid valve E is in closed condition, bypass solenoid valve F is in closed condition, throttle valve (6) is in opening state, and this device is realized the power generation and heat supply alliance.
7. a kind of solar energy according to claim 2 and the integrated combined cold heat and power supply device of ground source heat, it is characterized in that, the integrated combined cold heat and power supply device of described solar energy and ground source heat is closed solenoid valve A1 and solenoid valve B1, solenoid valve A2 and solenoid valve B2 open, and solenoid valve D1 and solenoid valve C1 open, and solenoid valve D2 and solenoid valve C2 close, bypass solenoid valve E is in open mode, bypass solenoid valve F is in closed condition, and throttle valve (6) is in opening state, and this device is realized pure refrigeration alliance.
8. a kind of solar energy according to claim 2 and the integrated combined cold heat and power supply device of ground source heat, it is characterized in that, the integrated combined cold heat and power supply device of described solar energy and ground source heat is opened solenoid valve A1 and solenoid valve B1, solenoid valve A2 and solenoid valve B2 close, and solenoid valve D1 and solenoid valve C1 close, and solenoid valve D2 and solenoid valve C2 open, bypass solenoid valve E is in open mode, bypass solenoid valve F is in closed condition, and throttle valve (6) is in open mode, and this device is realized pure heat supply alliance.
9. a kind of solar energy according to claim 2 and the integrated combined cold heat and power supply device of ground source heat, it is characterized in that, the integrated combined cold heat and power supply device of described solar energy and ground source heat is closed solenoid valve A1 and solenoid valve B1, solenoid valve A2 and solenoid valve B2 open, bypass solenoid valve E is in closed condition, bypass solenoid valve F is in open mode, and throttle valve (6) is in closed condition, and this device is realized pure generating.
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| CN 201010238482 CN102338051B (en) | 2010-07-27 | 2010-07-27 | Solar/ground source heat integrated electricity generation/cold/heating co-supply device |
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| CN103629860A (en) * | 2013-12-04 | 2014-03-12 | 重庆大学 | Transcritical CO2 cooling heat and power combined circulation system |
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| CN103061833A (en) * | 2012-12-26 | 2013-04-24 | 东南大学 | Solar energy and biomass energy combined heat and power cogeneration device |
| CN104033967B (en) * | 2013-03-08 | 2017-02-08 | 中原工学院 | Underground water cooling type pre-heating type solar ejection air conditioning equipment |
| CN106091450B (en) * | 2016-07-27 | 2018-04-10 | 重庆京天能源投资（集团）股份有限公司 | Intellectuality energy supply microgrid |
| CN108865276A (en) * | 2018-06-27 | 2018-11-23 | 华电电力科学研究院有限公司 | A kind of provide multiple forms of energy to complement each other comprehensive energy supplying system and the energy supply method of combination biomass economy |
| CN109059149A (en) * | 2018-07-17 | 2018-12-21 | 山东建筑大学 | Solar energy-ground thermal energy photo-thermal electricity composite energy resource system and its application |
| CN109612168B (en) * | 2018-11-16 | 2024-04-23 | 广东工业大学 | Jet-type organic Rankine cycle system |
| CN109944650B (en) * | 2019-03-22 | 2021-06-22 | 东北大学 | Combined cooling, heating and power system and method containing supercritical compressed air energy storage |
| CN114440490B (en) * | 2020-11-02 | 2024-02-09 | 中国科学院理化技术研究所 | Water chilling unit |
| CN112701771A (en) * | 2020-12-28 | 2021-04-23 | 国网天津市电力公司电力科学研究院 | Near-zero energy consumption zero-carbon building multi-energy complementary energy supply system and method |
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| JPS60173375A (en) * | 1984-02-17 | 1985-09-06 | Noriaki Wakao | Liquid conveying temperature differential pump making control valve on-off operation into nonelectrification |
| KR100309507B1 (en) * | 1998-09-09 | 2001-12-28 | 김병원 | Power generation and heat storing system using solar energy |
| CN101182832A (en) * | 2007-11-20 | 2008-05-21 | 西安交通大学 | Heat energy and solar complementary thermal current power generation system |
| CN201301785Y (en) * | 2008-11-05 | 2009-09-02 | 上海海事大学 | High-efficiency ocean thermal energy power-generation device |
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