CN102338051A - 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 PDF

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Publication number
CN102338051A
CN102338051A CN2010102384826A CN201010238482A CN102338051A CN 102338051 A CN102338051 A CN 102338051A CN 2010102384826 A CN2010102384826 A CN 2010102384826A CN 201010238482 A CN201010238482 A CN 201010238482A CN 102338051 A CN102338051 A CN 102338051A
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China
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solenoid valve
heat
working medium
solar energy
power supply
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CN2010102384826A
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Chinese (zh)
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CN102338051B (en
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童陆荣
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嘉兴市中道能源设备科技有限公司
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/10Geothermal energy
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/46Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines

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

The integrated combined cold heat and power supply device of a kind of solar energy and ground source heat
Technical field
The present invention relates to a kind of solar heat energy and (water) source, ground heat energy utilization technology, 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 ability aboundresources, inexhaustible, clean and safe can freely be used, and need not transportation again, and environment is not had any pollution, is renewable energy sources.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, because solar energy density is low, heat source temperature is not high, and the solar heat power technology is based on the organic substance Rankine cycle technology of thermal-arrest.Ground source heat can be through the soil accumulation of energy; When as a big heat retainer, in deep soil, solar energy and soil accumulation of energy combine with throughout the year storage of solar energy the earth; Arrive soil to the storage of solar energy of collecting easily summer; Heat pump techniques is exactly to take out the soil accumulation of energy in the winter time 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, because conduction oil thermal capacity is big, 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 as carrier of energy, is converted into electric energy with low grade heat energy with low-boiling-point organic compound working medium.When heat source temperature was lower than 200 ℃, organic substance Rankine cycle working medium range of choice was wide, with strong points, and equipment requirements is simple relatively, compared with the water vapour Rankine cycle of routine, had higher energy utilization rate.
Ground source heat pump technology (Ground-Source Heat Pump) utilizes the metastable characteristic of underground soil temperature; Pass through consumed power; Winter the transfer of heat in the low level heat energy to the place that needs heat supply or heat, can also indoor waste heat be transferred in the low level heat energy in summer, reach the cooling or the refrigeration purpose.Earth source heat pump does not need artificial cold & heat source, and winter is heat-obtaining from soil, heats to building; Give architecture refrigerating to the soil heat release summer, and simultaneously, it also can supply domestic water, is killing three birds with one stone, is a kind of mode that effectively utilizes the energy.From the heat power principle analysis; In air-conditioning system, utilizing soil is very attractive as cold and heat source; Because the annual temperature substantial constant of soil; So earth-source hot-pump system than traditional heating ventilation air-conditioning system more effectively, more energy-conservation, it does not discharge any waste gas, waste water, waste residue to the external world, is a kind of desirable " green energy resource ".
The spray type refrigerating system relies on its equipment simple, easy to maintenance, and environmental protection is reliable, is applicable to solar energy, geothermal power, and advantages such as low temperature exhaust heat recovery become a research focus in the refrigerating field again.
The pump integrated supply of cooling, heating and electrical powers of solar heat is organically to combine solar heat power technology, ejector refrigeration technology and heat pump techniques; Both having remedied heat pump can't provide the deficiency of electric energy; Improved the generating efficiency of solar generator again; 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 existing technology literature search, there is not the report of the heating integrated combined cold heat and power supply technology in source, solar heat/ground (water).
Summary of the invention
The object of the invention be exactly provide in order to overcome the defective that above-mentioned existing technology exists a kind of easy to use, Applicable scope extensively, the solar energy and the integrated combined cold heat and power supply device of ground source heat of energy-conserving and environment-protective.
The object of the invention can be realized through following technological scheme:
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 comprise decompressor, generator, sparger, condenser, working medium storage tank, throttle valve, vaporizer, working medium pump, water pump, or water source comb, thermal source exchanger, solar thermal collector and afterburning burner, described solar thermal collector links to each other with thermal source exchanger conduction oil inlet pipe through the conduction oil outlet conduit, the thermal source exchanger links to each other with the afterburning burner inlet through the conduction oil outlet conduit; The afterburning burner outlet links to each other with solar thermal collector; Described working medium pump one end links to each other with thermal source exchanger working medium inlet through valve, and the other end connects working medium storage tank, and the thermal source exchanger outlet links to each other with the decompressor inlet; The main shaft of decompressor links to each other through the main shaft of shaft joint and generator; The outlet of decompressor links to each other with the Working-fluid intaking of sparger, and the sender property outlet of sparger links to each other with the inlet of condenser, and condensator outlet links to each other with the working medium storage tank inlet; Outlet of one end of described throttle valve and working medium storage tank links to each other; The other end links to each other with vaporizer working medium inlet, and the vaporizer sender property outlet links to each other with sparger driving fluid entry end, and 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 the Working-fluid intaking pipeline; On described ground or water source comb and hot user's the 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 the vaporizer through water pump.
Described combined supply apparatus is through solar thermal collector heating conduction oil; 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 underground water, lake water, river or seawater with low-boiling-point organic compound.
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, and solenoid valve D1 and solenoid valve C1 open, and 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, and solenoid valve D1 and solenoid valve C1 close, and 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, 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 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, 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 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 organically combines organic substance Rankine cycle power generation system same jet-type technology and heat pump techniques through being master, rock gas or living beings afterburning heating conduction oil with solar energy and underground heat; Satisfy user's electric weight, the demand of cold and heat is with decompressor, heat pump and sparger arranged in series; Switch winter generating and heat supply, generating in summer and refrigeration through valve; Can satisfy the user to electric energy, the demand of heat energy and cold.The function of utilization working medium gasification latent heat refrigeration and heat supply has improved the refrigeration and the heating performance of combination supply system greatly, have simple in structure, good reliability, easy to use, Applicable scope extensive, the advantage of energy-conserving and environment-protective.
Description of drawings
Fig. 1 is a structural representation of the present invention.
1 is decompressor among the figure; 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 a solenoid valve; A2 is a solenoid valve; B1 is a solenoid valve; B2 is a solenoid valve; C1 is a solenoid valve; C2 is a solenoid valve; D1 is a solenoid valve; D2 is a solenoid valve; E is a bypass solenoid valve; F is the bypass solenoid valve door.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is elaborated.
Embodiment
The integrated combined cold heat and power supply device of a kind of solar energy and ground source heat; Its structure is as shown in Figure 1; This device comprise 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, or water source comb 10, thermal source exchanger 13, solar thermal collector 14 and afterburning burner 16; Solar thermal collector 14 links to each other with thermal source exchanger 13 conduction oil inlet pipes through the conduction oil outlet conduit; Thermal source exchanger 13 links to each other through the inlet of conduction oil outlet conduit with afterburning burner 16, and the outlet of afterburning burner 16 links to each other with solar thermal collector 14, and conduction oil adopts natural circulation mode.
One end of working medium pump 8 links to each other with thermal source exchanger 13 working medium inlet through valve; The other end connects working medium storage tank 5, and the outlet of thermal source exchanger 13 links to each other with the inlet of decompressor 1, and the main shaft of decompressor 1 links to each other through the main shaft of shaft joint and generator 2; The outlet of decompressor 1 links to each other with the Working-fluid intaking of sparger 3; The sender property outlet of sparger 3 links to each other with the inlet of condenser 4, and condenser 4 outlets link to each other with working medium storage tank 5 inlets, and an outlet of an end of throttle valve 6 and working medium storage tank 5 links to each other; The working medium inlet of the other end and vaporizer 7 links to each other; The sender property outlet of vaporizer 7 links to each other with the driving fluid entry end of sparger 3, and ground or water source comb 10 are connected through pipeline through water pump 9 and condenser 4, and water source is imported in condenser 4 and the 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 the Working-fluid intaking pipeline.
The inlet of water pump 9 links to each other with the outlet conduit of ground or water source comb 10; The outlet of water pump 9 links to each other with solenoid valve A2, solenoid valve D2; Solenoid valve A2 links to each other with the inlet and the solenoid valve A1 of condenser 4, and the outlet conduit of condenser 4 links to each other with solenoid valve B1 and solenoid valve B2, and the outlet conduit of solenoid valve B1 links to each other with hot user's 11 pipeline; The end of solenoid valve A1 links to each other with the pipeline of solenoid valve A2; The other end of solenoid valve A1 links to each other with hot user's 11 pipeline, and the end of solenoid valve B2 links to each other with the outlet conduit of condenser 4, and the end of solenoid valve B2 links to each other with the inlet of ground or water source comb 10.
The outlet of water pump 9 links to each other with solenoid valve D2; Solenoid valve D2 links to each other with the inlet and the solenoid valve D1 of vaporizer 7, and the outlet conduit of vaporizer 7 links to each other with solenoid valve C1 and solenoid valve C2, and the outlet conduit of solenoid valve D1 links to each other with the pipeline at colod-application family 12; The end of solenoid valve C1 links to each other with the pipeline of solenoid valve C2; The other end of solenoid valve C1 links to each other with the pipeline at colod-application family 12, and the end of solenoid valve C2 links to each other with the outlet conduit of vaporizer 7, and the end of solenoid valve C2 links to each other 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, and solenoid valve A2 and solenoid valve B2 open, and 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, in thermal source exchanger 13, by heat-conducting oil heating, makes working medium become superheat state by liquid state, high temperature and high pressure gas and then 1 work of promotion decompressor, and the drive generator is outwards exported electric work for 2 groups.The Working medium gas of discharging from decompressor 1 outlet is as the higher relatively working fluid of pressure; Flow into sparger 3; To sparger 3, the two through the mix diffusion, gets in the condenser 4 in sparger 3 with the low-temp low-pressure gas injection of vaporizer 7 outlet sides; Organic substance working medium becomes liquid state by gaseous state under the cooling of water source (lake water, river or seawater).A liquid refrigerant part comes back in the thermal source exchanger 13 via the working medium pump pressurization, accomplishes power generation cycle, and another part comes back in the vaporizer 7 via throttle valve 6 decrease temperature and pressure, exports cold water to the user, accomplishes refrigeration cycle.In the whole circulation process; Through water source (lake water, river or seawater) cooling organic substance working medium, 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.
The specific operation step is following:
Its working medium adopts R141b, R123 or R245fa, and conduction oil is heated to 120 ℃ through sunlight, through thermal source exchanger 13 heating organic substance working medium to 100 ℃; 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 are explained circulation process.Parameter related in the practical implementation process does not constitute restriction to the present invention.
(1) the solar energy heating conduction oil is to about 120 ℃, and afterburning rock gas or living beings when sunlight is not enough guarantee that the conduction oil temperature in 13 jars of the thermal source exchangers arrives about 118 ℃, the conduction oil natural circulation;
(2) about 25 ℃ saturated liquid state organics working medium improves pressure to 1.0MPa by working medium pump, sends in the 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) gas working medium that comes out from thermal source exchanger 13 gets into decompressor 1, promotes decompressor 1 and drives motor 2 rotation acting and output powers, and after working medium expanded through decompressor 1, pressure was reduced to about 0.33MPa, and the working medium after overexpansion still is overheated gas;
The working medium superheated vapor of (5) being discharged by decompressor 1 gets into sparger 3 as working fluid; Working substance steam with refrigeration end vaporizer 7 outlet sides; In injection to the sparger 3; Working fluid mixes in the mixing chamber of sparger 3 with driving fluid, and then recovers pressure to 0.117MPa through Diffuser, about 62 ℃ of temperature;
(6) Working medium gas that flows out from sparger 3 enters into condenser 4, is cooled to saturated liquids by the about 22 ℃ of absorption heats of water source (lake water, river or seawater), brings heat into the earth (lake, river or sea).The about 0.117MPa of condensing pressure; About 25 ℃ of condensing temperature, saturated condensed fluid gets into working medium storage tank 5, and a part of saturated condensed fluid is sent in the thermal source exchanger 13 via working medium pump 8 pressurizations; Accomplish power generation cycle; The saturated condensed fluid of another part is through throttle valve 6 throttling step-downs, and pressure is reduced to about 0.068MPa, and temperature is reduced to about 7 ℃;
(7) worker quality liquid that flows out from throttle valve 6 enters into vaporizer 7 evaporations, to the user cold water is provided, the about 0.068MPa of evaporating pressure, about 18 ℃ of evaporating temperature;
(8) working substance steam that flows out from vaporizer 7 enters into sparger 3 as driving fluid, thereby accomplishes the whole circulation 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, and solenoid valve A2 and solenoid valve B2 close, and 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, in thermal source exchanger 13, by heat-conducting oil heating, makes working medium become superheat state by liquid state, 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 gets into the condenser 4, and organic substance working medium heats heat medium water.When outwards hot water being provided, working medium is condensed into liquid state, and comes back in the working medium storage tank 58.A liquid refrigerant part comes back in the thermal source exchanger 13 via the working medium pump pressurization; Accomplish power generation cycle, another part is got back in the vaporizer 7 via throttle valve 6 decrease temperature and pressure; From water source (lake water, river or seawater), absorb heat; Get into condenser 4 through sparger 3, export hot water, accomplish the heat supply circulation to the user.In the whole circulation process, through 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.
The specific operation step is following:
Working medium is R141b, R123 or R600, and conduction oil is heated to 120 ℃ through sunlight, through 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 are explained circulation process as running parameter.Parameter related in the practical implementation process does not constitute restriction to the present invention.
(1) the solar energy heating conduction oil is to about 120 ℃, and afterburning rock gas or living beings when sunlight is not enough guarantee that the conduction oil temperature in the thermal source exchanger 13 arrives about 118 ℃, the conduction oil natural circulation;
(2) about 25 ℃ saturated liquid state organics working medium improves pressure to 1.0MPa by the speed governing working medium pump, sends in the 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) gas working medium that comes out from thermal source exchanger 13 gets into decompressor 1, pushing generator 2 rotation acting and output powers, and after working medium expanded through decompressor 1, pressure was reduced to about 0.33MPa, and the working medium after overexpansion still is overheated gas;
The working medium superheated vapor of (5) being discharged by decompressor 1 gets into sparger 3 as working fluid; In working substance steam injection to the sparger 3 with vaporizer 4 outlet sides; Working fluid mixes in the mixing chamber of sparger 3 with driving fluid; And then pass through Diffuser and recover pressure to 0.137MPa, about 62 ℃ of temperature;
(6) Working medium gas that flows out from sparger 3 enters into condenser 4; The about 0.137MPa of condensing pressure, hot user's heat medium water is taken away heat, and supplies with hot user; About 25 ℃ of condensing temperature; Saturated condensed fluid gets into working medium storage tank 5, and a part of saturated condensed fluid is sent in the thermal source exchanger 13 via working medium pump 8 pressurizations, accomplishes power generation cycle.
(7) the saturated condensed fluid of another part is through throttle valve 6 throttling step-downs, and pressure is reduced to about 0.09MPa, and temperature is reduced to about 7 ℃, puts the receipts heat to saturated liquids for about 22 ℃ by water source (lake water, river or seawater), brings heat into organic working medium.
(8) working substance steam that flows out from vaporizer 7 enters into sparger 3 as driving fluid, thereby accomplishes the whole circulation 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, and solenoid valve A2 and solenoid valve B2 open, and 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, and solenoid valve A2 and solenoid valve B2 close, and 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 process, working medium can be divided into dryness and moist two types.Saturated moist working medium gets into two-phase section in the turbine expansion process, to the bigger negative effect of generation in working life of turbine blade, and saturated dryness working medium remains on the overheated zone easily in the inflation process of turbine.Therefore, in inflation process, get into two-phase section for fear of working medium, the present invention adopts dryness working medium.
, skewness even intermittence low to solar energy density; Huge with soil low-heat energy storage capacity, energy density is low and the characteristics of good stability; Of the present invention that provide that a kind of wide adaptability, transformation efficiency are high, solar energy-ground heat energy mixes, be the integrated supply of cooling, heating and electrical powers device of core with solar energy optical-thermal low-temperature electricity-generating and earth source heat pump; Utilize solar hot-water (or sunlight heat) and the ground source heat main energy sources as system, rock gas or living beings device are as supplemental heat source.Organic substance working medium turbogenerator, sparger and earth source heat pump are organically combined, and can satisfy the demand of user to electricity consumption, refrigeration and domestic hot-water summer simultaneously, and can satisfy the user simultaneously to electric energy winter, the demand of heat energy.

Claims (10)

1. solar energy and the integrated combined cold heat and power supply device of ground source heat; It is characterized in that; This device comprise 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), or water source comb (10), thermal source exchanger (13), solar thermal collector (14) and afterburning burner (16); Described solar thermal collector (14) links to each other with thermal source exchanger (13) conduction oil inlet pipe through the conduction oil outlet conduit; Thermal source exchanger (13) links to each other with afterburning burner (16) inlet through the conduction oil outlet conduit, and afterburning burner (16) outlet links to each other with solar thermal collector (14), and described working medium pump (8) one ends link to each other with thermal source exchanger (13) working medium inlet through valve; The other end connects working medium storage tank (5); Thermal source exchanger (13) outlet links to each other with decompressor (1) inlet, and the main shaft of decompressor (1) links to each other through the main shaft of shaft joint and generator (2), and the outlet of decompressor (1) links to each other with the Working-fluid intaking of sparger (3); The sender property outlet of sparger (3) links to each other with the inlet of condenser (4); Condenser (4) outlet links to each other with working medium storage tank (5) inlet, and (5) outlets of an end of described throttle valve (6) and working medium storage tank link to each other, and the other end links to each other with vaporizer (7) working medium inlet; Vaporizer (7) sender property outlet links to each other with sparger (3) driving fluid entry end, and 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 the Working-fluid intaking pipeline; On described ground or water source comb (10) and hot user's the 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.
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 the 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 is through solar thermal collector heating conduction oil, when sunlight is not enough afterburning rock gas or living beings heating conduction oil as thermal source, 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 4 and the integrated combined cold heat and power supply device of ground source heat is characterized in that described working medium comprises commercially available R11, R141b, R123, R245fa or R600.
6. a kind of solar energy according to claim 1 and 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, and bypass solenoid valve E is in closed condition, and 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.
7. a kind of solar energy according to claim 1 and 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, and bypass solenoid valve E is in closed condition, and 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.
8. a kind of solar energy according to claim 1 and 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, and bypass solenoid valve E is in open mode, and bypass solenoid valve F is in closed condition; Throttle valve (6) is in opening state, and this device is realized pure refrigeration alliance.
9. a kind of solar energy according to claim 1 and 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, and bypass solenoid valve E is in open mode, and bypass solenoid valve F is in closed condition; Throttle valve (6) is in open mode, and this device is realized pure heat supply alliance.
10. a kind of solar energy according to claim 1 and 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.
CN 201010238482 2010-07-27 2010-07-27 Solar/ground source heat integrated electricity generation/cold/heating co-supply device CN102338051B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103061833A (en) * 2012-12-26 2013-04-24 东南大学 Solar energy and biomass energy combined heat and power cogeneration device
CN104033967A (en) * 2013-03-08 2014-09-10 中原工学院 Underground water cooling type pre-heating type solar ejection air conditioning equipment
CN106091450A (en) * 2016-07-27 2016-11-09 重庆京天能源投资(集团)股份有限公司 Intelligent energy supply microgrid
CN109944650A (en) * 2019-03-22 2019-06-28 东北大学 A kind of cogeneration cooling heating system and method containing overcritical compressed-air energy storage

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103629860B (en) * 2013-12-04 2015-09-16 重庆大学 Trans-critical cycle CO 2cool and thermal power combined cycle system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4655691A (en) * 1984-02-17 1987-04-07 Nippon Mining Co., Ltd. Temperature-difference-actuated pump employing nonelectrical valves
KR19980087691A (en) * 1998-09-09 1998-12-05 차인수 Solar tube power generation / heat storage system
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4655691A (en) * 1984-02-17 1987-04-07 Nippon Mining Co., Ltd. Temperature-difference-actuated pump employing nonelectrical valves
KR19980087691A (en) * 1998-09-09 1998-12-05 차인수 Solar tube power generation / heat storage system
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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103061833A (en) * 2012-12-26 2013-04-24 东南大学 Solar energy and biomass energy combined heat and power cogeneration device
CN104033967A (en) * 2013-03-08 2014-09-10 中原工学院 Underground water cooling type pre-heating type solar ejection air conditioning equipment
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
CN106091450A (en) * 2016-07-27 2016-11-09 重庆京天能源投资(集团)股份有限公司 Intelligent energy supply microgrid
CN109944650A (en) * 2019-03-22 2019-06-28 东北大学 A kind of cogeneration cooling heating system and method containing overcritical compressed-air energy storage

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