CN105888992B - A kind of solar energy and ground heat integration double flash evaporation double-work medium circulating generation hot-water heating system - Google Patents
A kind of solar energy and ground heat integration double flash evaporation double-work medium circulating generation hot-water heating system Download PDFInfo
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- CN105888992B CN105888992B CN201610248819.9A CN201610248819A CN105888992B CN 105888992 B CN105888992 B CN 105888992B CN 201610248819 A CN201610248819 A CN 201610248819A CN 105888992 B CN105888992 B CN 105888992B
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K17/00—Using steam or condensate extracted or exhausted from steam engine plant
- F01K17/005—Using steam or condensate extracted or exhausted from steam engine plant by means of a heat pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K17/00—Using steam or condensate extracted or exhausted from steam engine plant
- F01K17/02—Using steam or condensate extracted or exhausted from steam engine plant for heating purposes, e.g. industrial, domestic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B3/00—Other methods of steam generation; Steam boilers not provided for in other groups of this subclass
- F22B3/04—Other methods of steam generation; Steam boilers not provided for in other groups of this subclass by drop in pressure of high-pressure hot water within pressure- reducing chambers, e.g. in accumulators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S21/00—Solar heat collectors not provided for in groups F24S10/00-F24S20/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S60/00—Arrangements for storing heat collected by solar heat collectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
- F24T10/20—Geothermal collectors using underground water as working fluid; using working fluid injected directly into the ground, e.g. using injection wells and recovery wells
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
- F24S2023/88—Multi reflective traps
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The present invention provides a kind of solar energy and ground heat integration double flash evaporation double-work medium circulating generation hot-water heating system, including trough type solar heat-collector, heat-storing device, the underground heat water treatment facilities for being communicated to producing well, primary flash device, two-stage flash device, steam turbine, low pressure compressor, high pressure compressor, evaporator, the central evaporator for being communicated to inverted well, intercooler, condenser；The heat-storing device is interconnected to form closed circulation with trough type solar heat-collector.
Description
Technical field
The present invention relates to technical field of solar, particularly a kind of solar energy is recycled with ground heat integration double flash evaporation double-work medium
Generate electricity hot-water heating system.
Background technology
Solar energy is inexhaustible, cleanliness without any pollution and the reproducible environmentally protective energy.Utilize solar energy
Power generation, unrivaled spatter property, the safety of height, the opposite popularity of the energy and adequate, long-life and non-maintaining
The advantages of not available for other conventional energy resources such as property, but solar power plant construction cost is higher, generated energy raying intensity
Unstable limitation, generating efficiency are low.
Vast national territorial area and Latitude Distribution range from low to high so that lay in abundant underground heat money in China
Source.Geothermal power generation is that one kind of geothermal energy resources is important using form, and geothermal power generation is all to utilize as the principle of thermal power generation
The thermal energy of steam is changed into mechanical energy in steam turbine, then drives electrical power generators.Unlike thermal power generation, underground heat hair
Electricity does not need to huge boiler, therefore efficiently avoids problem of environmental pollution caused by fossil fuel.Using GEOTHERMAL WATER
Temperature range is extensive, is adapted with the latitude scope of China from low to high.The cost of geothermal power generation is generally lower than water energy, fire
Power, nuclear energy and solar power generation, equipment usage time is long, and small investment of founding the factory is not influenced by rainfall and seasonal variations, and sent out
Electricity is stablized.
According to the difference of geothermal energy resources, live (open) steam formula, expanding type, intermediate medium formula can be divided and flow circulating 4 kinds of bases entirely
This generation mode.Geothermal power station of China is mostly using expanding type, and which has simple system, equipment is wanted compared with other modes
It asks relatively low, strengthen the advantages that having fewer environmental impacts after recharge management, but generating efficiency is relatively low.In addition, geothermal energy resources is long-term
It large-scale develops and utilizes, such as 30 years continuous services of Tibet Yangbajing geothermal power station, heat storage decline of pressure, steam flow may be caused
The problems such as reduction, hot water temperature reduce, will cause system effectiveness further to reduce.For this purpose, using by geothermal energy with it is solar united
The mode of cycle is closed, to improve vapor (steam) temperature, enhances generating capacity, reduces degree of dependence of the system to geothermal energy.By photo-thermal
System is combined with geothermal power station, it can be achieved that the Optimum utilization of underground heat-solar energy, is conducive to of generated energy and power load
Match.At power load relatively low night, traditional expanding type geothermal power generation operational mode can be switched to；In higher white of power load
My god, by underground heat-solar combined power generating, system effectiveness and generated energy can be effectively improved.Period in early morning can isolated operation photo-thermal
Subsystem, after heat-storing device temperature reaches system requirements, then the entire electricity generation system of cooperation.
Invention content
Goal of the invention：The technical problems to be solved by the invention are in view of the deficiencies of the prior art, to provide a kind of solar energy
With ground heat integration double flash evaporation double-work medium circulating generation hot-water heating system.
In order to solve the above technical problem, the present invention provides a kind of solar energy and ground heat integration double flash evaporation double-work medium to follow
Ring power generation hot-water heating system, including trough type solar heat-collector, heat-storing device, the underground heat water treatment facilities for being communicated to producing well, one
Grade flash vessel, two-stage flash device, steam turbine, low pressure compressor, high pressure compressor, evaporator, the intermediate steaming for being communicated to inverted well
Send out device, intercooler, condenser；The heat-storing device is interconnected to form closed circulation with trough type solar heat-collector；
Wherein underground heat water treatment facilities is respectively communicated with the import of heat-storing device and the import of primary flash device, heat-storing device
The import of outlet primary flash device；Primary flash device is equipped with saturated vapor outlet and saturation water out, saturated vapor outlet
It is communicated to the air inlet of steam turbine, saturated water outlet to two-stage flash device；The steaming of the exhaust outlet connection evaporator of steam turbine
Send out the first air inlet of device, the first outlet access inverted well of evaporator；Two-stage flash device includes saturated vapor outlet and saturated water
It exports, the air inlet of the saturated vapor outlet steam turbine of two-stage flash device, in the saturated water outlet of two-stage flash device
Between evaporator the first import, central evaporator first outlet access inverted well；
Evaporator accesses the first import of intercooler, intercooler after connecting low pressure compressor by refrigerant tubing
Third outlet connection high pressure compressor, high pressure compressor connection condenser, condenser outlet return is communicated to cooling during rolling
The second import of device, intercooler first outlet connect the second import of evaporator, and the second outlet of intercooler is communicated to
Second import of central evaporator, central evaporator second outlet are communicated to intercooler third import.
In the present invention, the low pressure compressor includes low pressure compressor air inlet and low pressure compressor exhaust outlet, low pressure pressure
Contracting machine air inlet connects the refrigerant tubing of evaporator, and low pressure compressor exhaust outlet connects the first import of intercooler.
In the present invention, the low pressure compressor includes low pressure compressor air inlet and low pressure compressor exhaust outlet, low pressure pressure
Contracting machine air inlet connects the refrigerant tubing of evaporator, and low pressure compressor exhaust outlet connects the first import of intercooler.
In the present invention, first throttle valve is equipped between the intercooler and condenser.
In the present invention, the high pressure compressor includes high pressure compressor air inlet and high pressure compressor exhaust outlet, high pressure pressure
The third outlet of contracting machine air inlet connection intercooler, high pressure compressor exhaust outlet connect the import of condenser.
In the present invention, second throttle is equipped between the evaporator and intercooler.
In the present invention, the underground heat water treatment facilities is equipped with valve with heat-storing device.
Advantageous effect：(1) GEOTHERMAL WATER is directly as power generation cycle working medium, and absorption heat improves itself in heat-storing device
Temperature levels, and by the way of double flash evaporation, greatly enhance the acting ability of steam turbine, can effectively improve system effectiveness and
Generated energy.Heat-storing device can eliminate the drawbacks of solar energy is unstable to a certain extent, make turbine-inlet temperature constant, protect
The stability and reliability of electric energy output are demonstrate,proved.
(2) refrigerant liquid in central evaporator absorbs the heat of two-stage flash device discharge saturated water, reduces saturated water
Temperature levels.The heat that refrigerant liquid in evaporator absorbs gas turbine exhaust gas makes its condensation liquefaction.By gas turbine exhaust gas
As the low level heat energy of heat pump heat supply cycle, the higher hot water of temperature is generated for users to use, not only save cooling water, but also will be through
The heat for the emission crossed after power generation is recycled.
(3) temperature of the refrigerant of heat pump heat supply cycle in evaporator is relatively low, the system in gas turbine exhaust gas and evaporator
Cryogen has very big heat transfer temperature difference, therefore the condensation liquefaction that gas turbine exhaust gas can be quickly in evaporator discharges heat, and two
The saturated water of grade flash vessel discharge rejects heat to the refrigerant in central evaporator, and the temperature after two bursts of flows are converged approaches
Temperature when GEOTHERMAL WATER is extracted from producing well, finally imports inverted well.The geothermal water temperature of recharge and water with from life
Extracted out in production well it is consistent, therefore can be to avoid the situation of geothermal energy resources exhaustion.
Description of the drawings
The present invention is done with reference to the accompanying drawings and detailed description and is further illustrated, it is of the invention above-mentioned or
Otherwise advantage will become apparent.
Fig. 1 is total system schematic diagram；
Fig. 2 is solar energy heating cycle schematic diagram；
Fig. 3 is geothermal power generation cycle schematic diagram；、
Fig. 4 is heat pump heat supply cycle schematic diagram；
Fig. 5 is heat pump heat supply cycle schematic diagram；
Fig. 6 is the lgp-h figures of heat pump heat supply cycle.
Specific embodiment
It elaborates below in conjunction with attached drawing to the present invention.
As shown in fig. 1~fig. 5, the present invention include trough type solar heat-collector 1, heat-storing device 2, underground heat water treatment facilities 3,
Primary flash device 4, two-stage flash device 5, steam turbine 6, low pressure compressor 7, high pressure compressor 8, evaporator 9, central evaporator 10,
Intercooler 11, condenser 12, first throttle valve 13, second throttle 14 and valve 15, the heat-storing device 2 and slot type
Solar thermal collector 1 is interconnected and forms closed circulation.
Wherein underground heat water treatment facilities 3 is respectively communicated with the import 2a of heat-storing device 2 and the import 4a of primary flash device 4, storage
Thermal 2 one exports the import 4a of 2b connection primary flash device 4, and primary flash device 4 is equipped with saturated vapor outlet 4b and saturated water
4c is exported, saturated vapor outlet 4b is communicated to the air inlet 6a of steam turbine 6, and saturation water out 4c is communicated to two-stage flash device 5, vapour
The exhaust outlet 6c connection evaporators 9 of turbine 6,9 first outlet of evaporator access inverted well, two-stage flash device 5 include saturated vapor
5b and saturation water out 5c is exported, the air inlet 6b of saturated vapor outlet 5b connection steam turbines 6, saturation water out 5c connects intermediate
Evaporator 10,10 first outlet 10a of central evaporator access inverted wells.The GEOTHERMAL WATER extracted out from producing well is entered at GEOTHERMAL WATER
Manage device 3, purified treated that GEOTHERMAL WATER enters primary flash device 4 or enter in heat-storing device 2 through import 4a improves
Temperature levels and after through import 4a flow into primary flash device 4, the saturated vapor in primary flash device 4 flows into steam turbine from outlet 4b
6 air inlet 6a, the saturated water in primary flash device 4 flow into the import 5a of two-stage flash device 5, two-stage flash device 5 from outlet 4c
Saturated water of the interior saturated vapor out of the air inlet 6b for exporting 5b inflow steam turbines 6, two-stage flash device 5 is from outlet 5c is flowed into
Between evaporator import 10d, from import 10d flow into central evaporator 10 saturated water release heat after again from outlet 10a flow into
Inverted well, the exhaust of steam turbine 6 flow into the import 9c of evaporator 9 from outlet 6c, and steam turbine 6 is vented to be condensed into evaporator 9
Liquid flows into inverted well from outlet 9d.
11 first import 11a of intercooler is accessed after the refrigerant tubing 9a connection low pressure compressors 7 of evaporator 9, in
Between 11 third of cooler outlet 11f connections high pressure compressor 8, the connection condenser 12 of high pressure compressor 8, the outlet of condenser 12 is returned
Return to intercooler the second import 11a, intercooler first outlet 11b connection 9 second import 9b of evaporator, second outlet
11c is communicated to the second import 10c of central evaporator 10, and 10 second outlet 10b of central evaporator is communicated to intercooler 11
Third import 11d.
Low pressure compressor 7 includes low pressure compressor air inlet 7a and low pressure compressor exhaust outlet 7b, low pressure compressor air inlet
The refrigerant tubing 9a of mouth 7a connection evaporators 9, low pressure compressor exhaust outlet 7b connect the first import of intercooler 11
11e。
The high pressure compressor include high pressure compressor air inlet 8a and high pressure compressor exhaust outlet 8b, high pressure compressor into
Third the outlet 11f, high pressure compressor exhaust outlet 8b of gas port 8a connection intercoolers 11 connect the import of condenser 12.
First throttle valve 13 is equipped between the intercooler 11 and condenser 12；
Second throttle 14 is equipped between the evaporator 9 and intercooler 11；
The underground heat water treatment facilities 3 is equipped with valve 15 with heat-storing device 2.
Refrigerant liquid absorbs the heat of the exhaust of steam turbine 6 in evaporator 9 and is gasificated into the refrigerant vapour of saturation, satisfies
The refrigerant vapour of sum enters the air inlet 7a of low pressure compressor 7 through refrigerant tubing 9a, is compressed under intermediate pressure pm
Superheated steam, superheated steam flow into the first import 11e of intercooler 11 from the gas outlet 7b of low pressure compressor 7, then exist
The saturated vapor being cooled in intercooler 11 under intermediate pressure pm, saturated vapor under intermediate pressure pm is from intercooler
Third outlet 11f enter the air inlet 8a of high pressure compressor 8, saturated vapor is compressed to condensation pressure in high pressure compressor 8
Then power pk enters in condenser 12 from the gas outlet 8b of high pressure compressor 8 and rejects heat to cooling water, and after through first segment
Stream valve 13 is returned to by the second import of intercooler 11b in intercooler 11, the saturation refrigerant in intercooler 11
Liquid returns to evaporator after the throttling of second throttle 14 from intercooler first outlet 11b by the second import of evaporator 9b
Continue to absorb heat in 9.During second outlet 11c of the part of refrigerant liquid through intercooler 11 in intercooler 11 is flowed into
Between evaporator the second import 10c, refrigerant liquid endothermic gasification in central evaporator 10 into the refrigerant vapour of saturation, then passes through
Central evaporator second outlet 10b is flowed back into intercooler third import 11d.The heat that cooling water is discharged in condenser 12
After amount heating, for user's daily use.
Such as Fig. 2, solar energy heating cycle is made of trough type solar heat-collector and heat-storing device, and conduction oil is in solar energy collection
Solar energy is absorbed in hot device, and is stored energy in heat-storing device.
Such as Fig. 3, geothermal power generation is recycled by underground heat water treatment facilities, heat-storing device, primary flash device, two-stage flash device, vapour
Turbine, evaporator and central evaporator composition, the GEOTHERMAL WATER extracted out from producing well enter underground heat water treatment facilities, purified place
GEOTHERMAL WATER after reason, which is directly entered primary flash device 4a or enters raising temperature levels in heat-storing device, then flows into level-one
The saturated vapor that evaporator 4a, primary flash device and two-stage flash device flash off enters power generation of doing work in steam turbine, two-stage flash
The saturated water of device outflow, which is entered in the central evaporator of heat pump heat supply cycle, discharges heat, and the exhaust of steam turbine enters heat pump
Heat release is condensed in the evaporator of heating cycle, last two bursts of flows are imported in inverted well.
Such as Fig. 4, heat pump heat supply cycle is by evaporator, low pressure compressor, intercooler, high pressure compressor, condenser, the
One throttle valve, second throttle and central evaporator composition, refrigerant liquid absorb the exhaust of steam turbine 6 in evaporator 9
Heat and the refrigerant vapour for being gasificated into saturation, enter the superheated steam that low pressure compressor 7 is compressed under intermediate pressure pm,
The saturated vapor being then cooled in intercooler 11 under intermediate pressure pm, the saturated vapor under intermediate pressure pm is by high pressure
Compressor 8 is compressed to condensing pressure pk, rejects heat to cooling water into condenser 12, and after returned to through first throttle valve
Intercooler 11, the saturation refrigerant liquid in intercooler 11 return to evaporator 9 after second throttle throttles and relay
Continuous heat absorption.Part of refrigerant liquid in intercooler 11 flows into central evaporator 10 endothermic gasification into the refrigeration of saturation
Agent steam, then flow back into intercooler 11.After the heat that cooling water is discharged in condenser 12, for the daily life of user
It is living to use.
Fig. 6 is the lgp-h figures of heat pump heat supply cycle, i.e. pressure-enthalpy chart.Pressure-enthalpy chart using the enthalpy of refrigerant as abscissa, with pressure
Power is ordinate.The curve of coordinate is saturated liquid line in figure, and the curve on the right is dry saturation vapor line.
Refrigerant liquid absorbs the heat of the exhaust of steam turbine 6 in evaporator 9 and is gasificated into the refrigerant vapour of saturation,
In pressure-enthalpy chart it is corresponding be 8 to 1 process；The refrigerant vapour of saturation enters low pressure compressor 7 and is compressed into intermediate pressure
Superheated steam under pm, in pressure-enthalpy chart it is corresponding be 1 to 2 process；Then superheated steam cools down in intercooler 11
For the saturated vapor under intermediate pressure pm, in pressure-enthalpy chart it is corresponding be 2 to 3 process；Saturated vapor under intermediate pressure pm
Condensing pressure pk is compressed to by high pressure compressor 8, in pressure-enthalpy chart it is corresponding be 3 to 4 process；Condensing pressure is the steam of pk
Reject heat to cooling water into condenser 12, in pressure-enthalpy chart it is corresponding be 4 to 5 process；Then through throttle valve 13
Return to intercooler 11, in pressure-enthalpy chart it is corresponding be 5 to 6 process；Saturation refrigerant liquid in intercooler 11
Return in evaporator 9 after the throttling of throttle valve 14 and continue to absorb heat, in pressure-enthalpy chart it is corresponding be 7 to 8 process；Intercooler
Part of refrigerant liquid in 11 flows into endothermic gasification in central evaporator 10 into the refrigerant vapour of saturation, in pressure-enthalpy chart
It is corresponding to be 6 to 3 process, then flow back into intercooler 11.From central evaporator flow back saturation refrigerant vapour and
The low-pressure compressor outlet gas that saturated vapor is cooled to by intercooler enters high pressure compressor together.Cooling water is condensed
After the heat discharged in device 12, for user's daily use.
This system shares following three kinds of operating modes：
1st, solar energy heating+geothermal power generation cycle+heat pump heat supply cycle：When there is solar radiation, groove type solar thermal-arrest
The solar energy of absorption is stored in heat-storing device by device.The GEOTHERMAL WATER come out by producing well is inhaled into solar energy heat-storage device
Heat is received, subsequently into primary flash device, " primary steam " is generated and enters steam turbine high-pressure cylinder power generation acting, remaining saturation afterwards
Water then enters two-stage flash device, generates pressure lower " indirect steam " and enters same turbine low pressure cylinder power generation acting afterwards,
Hot water after the flash distillation of two-stage flash device flows into the central evaporator of heat pump heat supply cycle, and the exhaust of steam turbine enters heat pump heat supply
Heat release is condensed in the evaporator of cycle, last two bursts of flows are imported in inverted well.Heat pump heat supply cycles through condenser by heat
Cooling water is released to, for users to use.
2nd, solar energy heat-storage+geothermal power generation cycle+heat pump heat supply cycle：When there is no solar radiation, stored up in heat-storing device
The heat deposited remains able to the temperature levels for promoting GEOTHERMAL WATER, the GEOTHERMAL WATER come out at this time by producing well, into solar energy
Heat-storing device absorbs heat, subsequently into primary flash device, generates " primary steam " and enters steam turbine high-pressure cylinder power generation acting afterwards,
Remaining saturated water then enters two-stage flash device, generates pressure lower " indirect steam " and enters same turbine low pressure cylinder afterwards
Power generation acting, the hot water after the flash distillation of two-stage flash device flow into the central evaporator of heat pump heat supply cycle, and the exhaust of steam turbine enters
Heat release is condensed in the evaporator recycled to heat pump heat supply, last two bursts of flows are imported in inverted well.Heat pump heat supply cycles through cold
Condenser rejects heat to cooling water, for users to use.
3rd, geothermal power generation cycle+heat pump heat supply cycle：When not having solar radiation, the heat stored in heat-storing device is
It can not be used for being promoted the temperature levels of GEOTHERMAL WATER, the GEOTHERMAL WATER come out at this time by producing well is directly entered primary flash device, produces
Raw " primary steam " enters steam turbine high-pressure cylinder power generation acting afterwards, and remaining saturated water then enters two-stage flash device, generates pressure
Lower " indirect steam " enters same turbine low pressure cylinder power generation acting afterwards, and the hot water after the flash distillation of two-stage flash device flows into heat
The central evaporator of heating cycle is pumped, the exhaust of steam turbine, which is entered in the evaporator of heat pump heat supply cycle, condenses heat release, finally
Two bursts of flows are imported in inverted well.Heat pump heat supply cycles through condenser and rejects heat to cooling water, for users to use.
It is specific real the present invention provides a kind of solar energy and ground heat integration double flash evaporation double-work medium circulating generation hot-water heating system
Now there are many method of the technical solution and approach, and the above is only the preferred embodiment of the present invention, it is noted that for this
For the those of ordinary skill of technical field, without departing from the principle of the present invention, several improvement and profit can also be made
Decorations, these improvements and modifications also should be regarded as protection scope of the present invention.Each component part being not known in the present embodiment is available
The prior art is realized.
Claims (6)
1. a kind of solar energy and ground heat integration double flash evaporation double-work medium circulating generation hot-water heating system, which is characterized in that including slot type
Solar thermal collector (1), heat-storing device (2), the underground heat water treatment facilities (3) for being communicated to producing well, primary flash device (4), two
Grade flash vessel (5), low pressure compressor (7), high pressure compressor (8), evaporator (9), is communicated in inverted well steam turbine (6)
Between evaporator (10), intercooler (11), condenser (12)；
The heat-storing device (2) is interconnected with trough type solar heat-collector (1) and forms closed circulation；
Wherein underground heat water treatment facilities (3) is respectively communicated with the import (2a) of heat-storing device (2) and the import of primary flash device (4)
(4a), the import (4a) of outlet (2b) the connection primary flash device (4) of heat-storing device (2)；Primary flash device (4) is steamed equipped with saturation
Vapor outlet (4b) and saturation water out (4c), saturated vapor outlet (4b) are communicated to the air inlet (6a) of steam turbine (6), saturated water
Outlet (4c) is communicated to two-stage flash device (5)；Steam turbine (6) exhaust outlet (6c) connection evaporator (9) evaporator first into
Gas port (9c), first outlet (9d) the access inverted well of evaporator (9)；Two-stage flash device (5) exports (5b) including saturated vapor
With saturation water out (5c), two-stage flash device (5) saturated vapor outlet (5b) connection steam turbine (6) air inlet (6b), two
The first import (10d) of saturation water out (5c) the connection central evaporator (10) of grade flash vessel (5), central evaporator (10) the
One outlet (10a) access inverted well；
Evaporator (9) connects low pressure compressor (7) by refrigerant tubing (9a) and accesses (11) first import of intercooler afterwards
(11e), third outlet (11f) the connection high pressure compressor (8) of intercooler (11), high pressure compressor (8) connection condenser
(12), the outlet return of condenser (12) is communicated to (11) second import (11a) of intercooler, intercooler (11) first
The second import (9b) of (11b) connection evaporator (9) is exported, the second outlet (11c) of intercooler (11) is communicated to centre
The second import (10c) of evaporator (10), central evaporator (10) second outlet (10b) are communicated to intercooler (11) third
Import (11d).
2. a kind of solar energy according to claim 1 and ground heat integration double flash evaporation double-work medium circulating generation hot-water heating system,
It is characterized in that, the low pressure compressor (7) includes low pressure compressor air inlet (7a) and low pressure compressor exhaust outlet (7b), it is low
Compressor inlet (7a) is pressed to connect the refrigerant tubing (9a) of evaporator (9), low pressure compressor exhaust outlet (7b) connection is intermediate
The first import (11e) of cooler (11).
3. a kind of solar energy according to claim 1 and ground heat integration double flash evaporation double-work medium circulating generation hot-water heating system,
It is characterized in that, the high pressure compressor includes high pressure compressor air inlet (8a) and high pressure compressor exhaust outlet (8b), high pressure
The third outlet (11f) of compressor inlet (8a) connection intercooler (11), high pressure compressor exhaust outlet (8b) connection are cold
The import of condenser (12).
4. a kind of solar energy according to claim 1 and ground heat integration double flash evaporation double-work medium circulating generation hot-water heating system,
It is characterized in that, first throttle valve (13) is equipped between the intercooler (11) and condenser (12).
5. a kind of solar energy according to claim 1 and ground heat integration double flash evaporation double-work medium circulating generation hot-water heating system,
It is characterized in that, second throttle (14) is equipped between the evaporator (9) and intercooler (11).
6. a kind of solar energy according to claim 1 and ground heat integration double flash evaporation double-work medium circulating generation hot-water heating system,
It is characterized in that, the underground heat water treatment facilities (3) and heat-storing device (2) are equipped with valve (15).
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| CN201610248819.9A CN105888992B (en) | 2016-04-20 | 2016-04-20 | A kind of solar energy and ground heat integration double flash evaporation double-work medium circulating generation hot-water heating system |
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| CN201610248819.9A CN105888992B (en) | 2016-04-20 | 2016-04-20 | A kind of solar energy and ground heat integration double flash evaporation double-work medium circulating generation hot-water heating system |
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| CN105888992B true CN105888992B (en) | 2018-06-19 |
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| CN107514347A (en) * | 2017-08-08 | 2017-12-26 | 天津亿诺电气设备有限公司 | Flash method system for geothermal production of electricity |
| CN108223317A (en) * | 2018-01-30 | 2018-06-29 | 中国华能集团清洁能源技术研究院有限公司 | A kind of coupling power-generating apparatus and method using solar energy heating geothermal tail water |
| CN108223315A (en) * | 2018-01-30 | 2018-06-29 | 中国华能集团清洁能源技术研究院有限公司 | A kind of twin-stage flash distillation and the united geothermal power generation plant of Organic Rankine Cycle and method |
| CN108425814A (en) * | 2018-01-30 | 2018-08-21 | 中国华能集团清洁能源技术研究院有限公司 | Provide multiple forms of energy to complement each other power generator and the method for low temperature geothermal water grade in a kind of promotion |
| CN108266341A (en) * | 2018-01-30 | 2018-07-10 | 中国华能集团清洁能源技术研究院有限公司 | A kind of multi-energies hybrid power generating system and method using the pre- hot condensed water of GEOTHERMAL WATER |
| CN108301995A (en) * | 2018-01-30 | 2018-07-20 | 中国华能集团清洁能源技术研究院有限公司 | A kind of power generator and method promoting geothermal energy grade using absorption heat pump |
| CN109268224A (en) * | 2018-11-15 | 2019-01-25 | 中国华能集团清洁能源技术研究院有限公司 | A kind of geothermal energy and solar energy coupling power-generating apparatus and method |
| CN109855152B (en) * | 2019-03-06 | 2023-12-29 | 中核坤华能源发展有限公司 | Geothermal heating system combining cascade flash evaporation waste heat recovery with heat pump technology |
| CN110307130B (en) * | 2019-07-01 | 2021-03-09 | 东方电气集团东方汽轮机有限公司 | Geothermal energy and solar energy combined utilization system and method |
| CN111023227B (en) * | 2019-11-21 | 2021-06-25 | 东南大学 | Double-stage compression heat source tower heat pump system suitable for cold areas |
| CN111207526B (en) * | 2020-03-04 | 2021-07-30 | 云南电网有限责任公司电力科学研究院 | Heat storage system based on combination of light heat storage and phase-change heat storage |
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