CN102878035B - Multi-level solar generates electricity with other energy complementary thermals and polygenerations systeme - Google Patents
Multi-level solar generates electricity with other energy complementary thermals and polygenerations systeme Download PDFInfo
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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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
- Y02E10/44—Heat exchange systems
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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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- 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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
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Abstract
The object of the present invention is to provide a kind of distributed multi-stage solar energy and other energy complementation heat generating systems, including solar energy acquisition system, generating set, the energy resource system that non-solar provides, one group of solar power system is formed by solar energy acquisition system and solar power generation unit, the energy resource system provided including at least two groups of solar power systems and at least one set of non-solar, the supplement energy is provided for solar power system, one group of solar power system can be connected and/or be connected in parallel with another set solar power system, waste heat after the power generation of one group of electricity generation system is utilized by another group of electricity generation system, realize the power generation of multistage UTILIZATION OF VESIDUAL HEAT IN, two groups of solar power systems can be made of one group of solar low-temperature electricity generation system and one group of solar energy high temperature electricity generation system.Equipment due to increasing the complementation of other energy, ensure that can supplement and adjust to the energy when solar energy changes, to realize stable electric generation and lasting power generation.
Description
Technical field
The present invention relates to solar energy and other energy complemental power-generations to generate electricity, especially in a distributed manner multi-level solar and other
The energy carries out complementary electricity generation system and co-generation unit, waste heat can be used for the applications such as heating, refrigeration, drying, hot water.
Background technology
Existing solar power generation mainly has two kinds of photovoltaic and photo-thermal, photovoltaic generation that silicon or other special materials is needed to carry out
Power generation, photo-thermal power generation have slot type, tower and butterfly.The mainly large-scale power generation of thermoelectricity, and mainly single-stage power generation system,
Such electricity generation system, power generation main or according to traditional coal power generation principle realization, lacks to dynamic solar source
Adaptation, in addition to this, since the collecting temperature of main solar power generation is single, because without being also without multistage power generation
System, thus China leading low-temperature water heating technology and industry cannot be applied to this field, while existing solar energy thermal-power-generating
Lack small-scale, family oriented, cost effective heat generating system, while existing solar vacuum heat-collecting pipe is mainly used in too
Positive energy water heater, since collecting temperature is low, direct generation of electricity efficiency is low, thus limits its application.
Distributed energy resource system refer to by energy resource system by small-scale, low capacity, modularization, it is distributed in a manner of be arranged in
User terminal, comes that transmitted in both directions is hot and cold, electric energy.Due to can improve energy utilization rate and Supply Security, realize energy-on-demand with
And providing more more options to the user, distributed energy resource system becomes the important development direction of global power industry and energy industry.
The energy utilization rate of distributed energy resource system be significantly larger than majority state by large-scale main power station by electric power from power plant to end
The central power supply system of end subscriber one-way transmission.1/3 thermal energy that power plant can only finally generate fuel energy burning is converted to
Nearly 10% thermal energy is lost in electric energy, and nearly 50% heat energy loss, transmission link.Moreover, current 20% capacity of installed generator is only used
In meeting the needs of peak times of power consumption.Therefore, these generating set run times only account for the 5% of whole unit operation times, power generation
Amount only accounts for the 1% of power generation total amount.Electric power, supply line's congestion of central power supply system are transmitted due to relying only on several main lines
Problem is increasingly prominent.Supply of electric power surplus forces public public institution to generate electricity and by pollution higher and the lower energy of efficiency
Meet peak times of power consumption demand, rather than it is high that dump power is simply distributed to demand again from the low market of demand
Market, to cause energy utilization rate more low.However, distributed combined heat and power generation unit is realized using traditional energy
Cogeneration of heat and power, and the not cogeneration units of heat accumulating type, the application of new energy and cogeneration units of such obstacle.
Distributed solar heat generating system is the generation mode for the big use of solar energy acquisition area, but multistage
How distributed solar energy electricity generation system carries out, and is studied.Simultaneously because the fluctuation characteristic of solar energy and uncertain
Feature, thus the power generation of continuous-stable is can not achieve, still, power supply that is grid-connected after power generation and needing stabilization otherwise will be to power grid
Stability and reliability threaten, thus need stable solar power generation.
Invention content
The object of the present invention is to provide a kind of distributed multi-stage solar energy and other energy complementation heat generating systems, using extremely
Few one group of low-temperature solar energy heat generating system and at least one set of solar energy high temperature electricity generation system, after the power generation of one group of electricity generation system
Waste heat is utilized by another group of electricity generation system, realizes the power generation of multistage UTILIZATION OF VESIDUAL HEAT IN, while being additionally provided at least one set of non-solar
The energy resource system of offer provides the supplement energy for solar energy high temperature power generation or solar low-temperature power generation.Utilize solar energy system
Collecting temperature feature, the power generation that 60-300 degrees Celsius of heat source is realized is divided into solar low-temperature power generation, using 300-
It is that solar energy high temperature generates electricity that 1200 degrees Celsius of heat source, which carries out power generation, and the waste heat of the electricity generation system of twin-stage can be by other level-one profit
With, thus the solar energy system of different collecting temperatures can be carried out to step and acquire cascade utilization, it is thus achieved that multistage
Complementation utilizes power generation.Equipment due to increasing the complementation of other energy, ensure that can be when solar energy changes, to its energy
Source is supplemented and is adjusted, and is persistently generated electricity to realize stable electric generation and to be realized in solar energy resources deficiency, other energy
Complementary equipment so that solar power generation, which becomes, to be stablized, continuously generates electricity, thus may be implemented to carry out with traditional power Transmission
There is no the carry out of obstacle grid-connected.Simultaneously because using distributed capture and distributed multi-stage complemental power-generation, it is thus achieved that distribution
Formula multi-level solar heat generate electricity, in the solar power system of every level-one, using refrigeration, for drying, the application of hot water, i.e., in fact
Show UTILIZATION OF VESIDUAL HEAT IN, and realized the condensation to working media, thus increases the whole utilization efficiency of heat energy of system.
Specific invention content is as follows：
Multi-level solar and other energy complementation heat generating systems, including solar low-temperature electricity generation system, solar energy high temperature
Electricity generation system, non-solar energy resource system, it is characterized in that：One group is formed by solar energy acquisition system and solar power generation unit too
Positive energy electricity generation system includes at least two groups of solar power systems and the energy resource system of at least one set of non-solar offer, is
Solar power system provides the supplement energy, and one group of solar power system can be carried out with another set solar power system
It connects and/or is connected in parallel, the waste heat after the power generation of one group of electricity generation system is utilized by another group of electricity generation system, realizes multistage waste heat
The power generation utilized, two groups of solar power systems can be generated electricity by one group of solar low-temperature electricity generation system and one group of solar energy high temperature
System is constituted.Solar low-temperature electricity generation system realizes power generation, solar energy high temperature electricity generation system using 60-300 degrees Celsius of heat source
Generated electricity using 300-1200 degrees Celsius of heat source, solar energy high temperature and low low-temperature electricity-generating be it is a kind of divide, can be with
Using other division packet modes, the invention is not limited thereto, and kind divides.
One group of solar power system is attached rear one group of solar energy therein with another set solar power system
Electricity generation system is known as level-one solar power system, and another set is known as two level electricity generation system, is carried out by the system of at least two level
Multilevel power generation system is formed after connection.
Be additionally provided with the storage heater of different temperatures, before low-temperature electricity-generating unit enters generating set, high-temperature power generation unit into
Before entering generating set, high-temperature power generation unit institute outlet, be provided with heat-storing material in storage heater, heat-storing material be selected from it is following extremely
Few one kind or combinations thereof:
A, water；
B, conduction oil；
C, solid-liquid phase change, solid-solid phase change substance；
D, fuse salt.
The heat for the working media that solar low-temperature electricity generation system is discharged using solar energy high temperature electricity generation system generating set
Can be that the energy realizes the energy of the working media after low-temperature solar energy power generation or the power generation of solar low-temperature electricity generation system by high temperature
The system of solar power generation, which utilizes, is used for high-temperature power generation, and solar energy high temperature generating set is discharged using a kind of following mode
The thermal energy of working media is the energy, is used for the power generation of low-temperature solar energy generating set：
A, the working media that high-temperature power generation unit is discharged is delivered directly in low-temperature electricity-generating unit and is generated electricity；
B, one group of heat-exchanger rig is passed through as heat source using the working media that high-temperature power generation unit is discharged, by the work of low-temperature electricity-generating
Make medium heating to generate electricity, there are one heat exchanger, heat exchanger high temperature for the generator operation media outlet setting of high warm power generation
End is that the working media of high-temperature power generation is reduced to low temperature by high temperature, and the low-temperature zone of heat exchanger carries out the working media of low-temperature electricity-generating
Heating or evaporation；
C, in working media conveying storage heater high-temperature power generation unit being discharged, pass through one group of heat-exchanger rig and storage heater
Thermal energy is subjected to accumulation of heat after being exchanged heat, one group of heat exchanger is provided between low-temperature electricity-generating unit and storage heater, is needing to generate electricity
When heat exchange carried out by heat exchanger and low-temperature electricity-generating unit realize power generation
The energy that the energy of working media after the power generation of solar low-temperature electricity generation system generates electricity as high temperature solar, uses
One of following manner：
A, waste heat after low-temperature electricity-generating is mixed to the energy for collectively forming high-temperature power generation with high temperature heat source；
B, temperature that the waste heat of low-temperature electricity-generating is carried out to the heat source for being heated to high temperature solar power generation, carries out high temperature hair
Electricity；
C, the temperature and pressure for the heat source that the waste heat of low-temperature electricity-generating progress repressurization generates electricity to high temperature solar carries out high
Temperature power generation.
High-temperature power generation unit and low-temperature electricity-generating unit can form two independent power generation cycle systems power generations, high temperature with
Heat-exchanger rig is provided between low-temperature electricity-generating unit, the work of heat source and low-temperature electricity-generating unit that the generating set of high temperature is discharged
It exchanges heat as medium, realizes that twin-stage generates electricity in such a way that the heat source of high-temperature power generation unit to be heated to low-temperature working medium, it is non-
Solar energy provides the complementary energy for low-temperature electricity-generating unit or high-temperature power generation unit inlet end.
High-temperature power generation unit and low-temperature electricity-generating unit can form two independent power generation cycle systems power generations, and system can be with
Realize every grade of Independent Power Generation；The step power generation that multistage complementation utilizes may be implemented again.Acquisition that in this way can be according to system and hair
The demand of electricity generates electricity, and same power generation operation medium may be used in twin-stage power generation, can also use different power generation operations
Medium may be used same discovery cycle, can also use different power generation cycles.
The condensation temperature of solar energy high temperature electricity generation system is 60-300 degrees Celsius, solar energy high temperature power generation using steam turbine or
Back pressure turbine group generates electricity, and solar low-temperature uses expanding machine unit generation, solar energy high temperature generating set to use steam for work
It generates electricity as medium, sun low temperature is generated electricity using the rankine cycle of organic working media.
Sun low temperature acquisition system is using following one kind or combinations thereof：
A, vacuum tube；
B, tablet；
Solar energy high temperature acquisition system is using following one kind or combinations thereof：
A, slot type；
B, tower；
D, dish-style；
E, Fresnel mirror.
Other energy of non-solar are selected from following at least one：
A, the energy supplied by traditional coal, oil, air lift, including coal, oil, natural gas, coal gas；
B, the energy that biomass provides, including either biogas or biomass cracking generate gasification production to various burning plants
The raw energy；
C, the energy that the biogas that the excrement of the mankind or animal discharge generates provides；
D, underground heat：The energy that geothermal energy provides；
E, waste heat：The waste heat that industry or enterprise, family provide.
Biomass, the bacteria stick provided by factory farming part is directly burnt, or provided by factory farming part
The excrement that biomass, bacteria stick, cultivated animals are discharged is formed by biogas, or remaining fruit of being extracted oil by manioca, palm oil
Biomass energy of the shell slag through burning or cracking or biogas is formed.This partial complementarity power station, is solar energy and large-scale plantation
Manioca, palm oil etc. carry out complementary power generation, palm oil squeeze or the oil expression of the leaf or fruit of tree of going mad after residue
It is used, realizes the power generation of solar energy and biomass complementation.
Power generation operation medium may be used traditional water or the organic working media of low temperature, all refrigerant substances and
A combination thereof can become power generation operation medium, and the preferred power generation operation medium includes at least in following classes extremely
It is one few：
A, freon；
B, ammonia；
C, water；
D, hydrocarbon；
E, alcohol；
F, greenhouse gases.
It is additionally provided with polygeneration plant, polygeneration plant is arranged in generating set working media outlet, polygeneration plant
It can connect, or in parallel with the progress of electricity generation system condenser, will be sent out with generating set as the condenser of electricity generation system
The waste heat of working media after electricity is used, and is realized by series, parallel, Hybrid connections between multiple polygeneration plant settings
Connection；Polygeneration plant is selected from following at least one：
A, heating equipment：Radiator, the floor heating tube of the storage heater, heating that are connect by heat exchanger or with heat exchanger
The high temperature fluid of one circulation closed system in road, circulating pump composition, the heat exchanger is power generation cycle working media, is realized to hair
Electric working media is condensed, and thermal energy is transformed on low temperature heating fluid by the low temperature heating fluid of heat exchanger by heat exchanger,
Low temperature heating fluid transfers thermal energy to the radiator of heating through circulating pump, on floor heating pipeline, realizes the heating to building；
B, domestic hot-water's equipment：Storage heater, taps, the shower nozzle being connect by heat exchanger or with heat exchanger form,
Pump group is power generation cycle working media at the high temperature fluid of, the heat exchanger, and realization is condensed and utilized to power generation operation medium,
Cryogen heats domestic hot-water；
C, refrigeration equipment：Form one of storage heater, refrigeration unit, the circulating pump being connect by heat exchanger or with heat exchanger
The high temperature fluid of circulation closed system, the heat exchanger is power generation cycle fluid, realizes and carries out condensation or profit to power generation operation medium
With the cryogenic refrigeration fluid of heat exchanger obtains thermal energy by heat exchanger, is freezed by refrigeration unit；
D, Water boiling equipment：It is made of the boiling water storage heater, the taps that exchange heat with heat exchanger, heat exchanger is by boiling water accumulation of heat
The hot water of device carries out being heated as boiling water,
E, drying equipment：By the drying equipment to exchange heat with heat exchanger, heat exchanger provides thermal energy for drying equipment, heat exchange
The temperature of the power generation operation medium high temperature fluid of device is higher than 40 degree；
F, cooking equipment：By the cooking equipment to exchange heat with heat exchanger, heat exchanger provides thermal energy for cooking equipment, heat exchange
The temperature of the power generation operation medium high temperature fluid of device is higher than 80 degree.
Multiple solar low-temperature acquisition systems carry out distributed capture and multiple solar energy high temperature acquisition systems are divided
Cloth acquires, the multiple solar low-temperature heat source systems of rear formation of acquisition, and multiple low-temperature heat sources are real with multiple low-temperature electricity-generating units
Existing distributed power generation, the energy of multiple high temperature acquisition system acquisitions enter high-temperature power generation system and carry out distributed power generation；Low temperature
Power generation is mutually utilized with the waste heat after the power generation of high-temperature power generation, and the heat source after power generation is by refrigeration, dry, heating Poly-generation
Low temperature is entered back into after or high temperature acquisition system carries out circulating generation.
Following advantageous effect can be obtained by implementing the present invention：
1, the present invention makes full use of the UTILIZATION OF VESIDUAL HEAT IN after low-temperature solar energy power generation and high temperature solar power generation, thus improves
The energy utilization rate of total system, realizes step acquisition and step power generation, while to be provided with other energy mutual by the present invention
Complement system realizes solar energy stabilization, continuous power generation, and ensure that can be grid-connected.
2, the present invention is distributed, inexpensive heat generating system, can be used for the power generation of family and power station power grid.
3, the cost of this thermoelectricity Poly-generation is low, efficient, and completely new technology and product are provided for Solar use.
4, it is contemplated that the present invention may be use with large-scale power generation, is realized with multiple distributed solar energy acquisitions；
5, the present invention is especially suitable for waste caused by factory farming, the utilization recycled, i.e., in fact
Show solar energy stable electric generation, and waste has adequately been utilized, thus achievees the effect that circular economy.
Description of the drawings
The concrete meaning of attached figure label is as follows：
1：Solar low-temperature acquisition system, 2：Sun cryogenerator, 3：Solar energy high temperature acquisition system, 4：Solar energy
High-temperature power generation machine, 5：Solar low-temperature generating waste-heat offer high-temperature power generation system, 6：Solar energy high temperature generating waste-heat is supplied to low
Warm electricity generation system, 7：Evaporator, 8：Condenser, 9：Circulating pump, 10：Regenerative heat exchanger, 11：Supercharging equipment, 12：Cooking equipment,
13：Drying equipment, 14：Refrigeration unit, 15：Life washing bath equipment, 16：Heating equipment, 17：Other complementary energy.
Fig. 1 is the schematic diagram of multi-level solar heat generating system.
Fig. 2 is schematic diagram of the mixing using formula multi-level solar heat generating system.
Fig. 3 is the schematic diagram of two-stage independent loops and complementary cycle electricity generation system.
Fig. 4 is two-stage independent loops and complementary cycle power generation and the schematic diagram of polygenerations systeme.
Fig. 5 is distributed two-stage independent loops and complementary cycle power generation and the schematic diagram of polygenerations systeme.
Specific implementation mode
Embodiment 1, multi-level solar complementation heat generating system
Sun low temperature acquisition system 1 and solar low-temperature electricity generation system 2, solar energy high temperature acquisition are provided in Fig. 1
The waste heat of system 3 and solar energy high temperature acquisition system 4, solar low-temperature electricity generation system is passed through by solar low-temperature generating waste-heat
Waste heat is supplied to high-temperature power generation system by the regenerative heat exchanger 10 of setting, while being arranged and being used as the supplement energy by other energy 17,
The waste heat of solar energy high temperature electricity generation system is supplied to low-temperature solar energy electricity generation system by Research of High Temperature Regenerative Heat Exchange device 10.Such system
It realizes and using the external complement energy 17 stablize, continuously generate electricity.
Embodiment 2, mixing utilize formula multi-level solar complementation heat generating system
Fig. 2 forms low-temperature generating system, low-temperature electricity-generating system by low-temperature solar energy acquisition system 1 and low-temperature solar energy power generation 2
A waste heat part for system is supplied directly to high temperature solar acquisition system and is heated, and another part is supplied to high-temperature heat accumulation to change
The waste heat of hot device, the thermal energy and low-temperature electricity-generating that high temperature solar acquisition system 3 directly acquires high temperature carries out complementation, is supplied to height
Temperature solar electricity generation system 4, generates electricity, and the waste heat after power generation enters condenser and carries out partial condensation, after partial condensation
Hot operation medium directly carries out high-temperature power generation, and a part of waste heat of high-temperature power generation directly enters in regenerative heat exchanger 10,
It is supplied directly to carry out generating electricity for low-temperature solar energy after low-temperature solar energy acquisition system is acquired.This system is used part
Waste heat is supplied directly to other level-one, part of waste heat by way of being used after condenser, regenerative heat exchanger swap,
By waste heat being utilized respectively as needed.
In the present embodiment, a supplement energy 17 is set in high temperature solar acquisition system, is realized low-temperature solar energy
Waste heat through supplementing the requirement of the solar power generation that reaches a high temperature of the energy complementation of the energy 17 and high temperature solar acquisition system
Temperature and pressure.Simultaneously in the regenerative heat exchanger that high temperature solar power generation is arranged later, extra power 17 is added and carries out complementation,
The stability for improving system realizes and stablizes and continuously generate electricity.
Embodiment 3, two-stage independent loops and complementary cycle electricity generation system
The solar low-temperature heat source that solar low-temperature acquisition system 1 acquires in the present embodiment is supplied to cryogenic vaporizer 7, leads to
It crosses cryogenerator 2 and realizes that power generation, the waste heat after power generation proceed to the condensation of condenser 8, recycled by the working media of condenser
Pump 9 enters in evaporator, and to constitute low-temperature solar energy heat generating system, which uses the organic working media Lang Ken of ORC
Cycle generate electricity, power generation operation medium be refrigerant freon blending agent, generator using screw expansion unit into
Row power generation.
The solar energy high temperature electricity generation system that solar energy high temperature acquisition system 3 and solar energy high temperature electricity generation system 4 are constituted is by steaming
It sends out 7 condenser of device, 8 circulating pump 9 and constitutes a cycle generating system, which adopts water as working media power generation, using by pressure vapour
Wheel unit generates electricity, and waste heat and the condensed working media of high-temperature power generation system of low-temperature generating system exchange heat, will be high
The solar energy acquisition system that high temperature is entered back into after the condensed primary heating of water progress of temperature heats up, the low temperature work after heat exchange
Low-temperature circulating power generation is carried out after making the condensed device of medium；The waste heat of high-temperature power generation and the waste heat of low-temperature electricity-generating pass through regenerative heat exchanger
10 exchange heat, and the gas that the working media of low temperature is themselves directly heated finisher is mixed or entered directly into generator
Group generates electricity.Twin-stage electricity generation system uses different working medias and different generating sets, realizes that twin-stage is independent or mutual
That mends generate electricity.
The complementary energy 17 is set in solar energy high temperature acquisition system simultaneously, with high temperature solar acquisition be simultaneously low temperature too
The waste heat that sun can generate electricity heats up, and reaches the parameter of the high-temperature power generation of setting, ensures the power generation of system normal table, simultaneously
Waste heat after high temperature solar power generation carries out Research of High Temperature Regenerative Heat Exchange device, and the supplement energy 17 is provided on Research of High Temperature Regenerative Heat Exchange device,
Realize to heating more than high temperature, make system realize stablize, lasting power generation.
Embodiment 4, two-stage independent loops and complementary cycle power generation and polygenerations systeme
The present embodiment uses the electricity generation system that two independence can be run, but is sent out using identical working medium water
The condensation portion of electricity, low-temperature generating system and high-temperature power generation system is realized by the way of UTILIZATION OF VESIDUAL HEAT IN, low-temperature electricity-generating portion
The waste heat divided is directly used in heating 15 and hot water 16, and high-temperature residual heat part is for 12, dry 13 etc. applications of freezing, the waste heat of low temperature
Steam enters after being added the energy 17 and regenerative heat exchanger heating 7 in high temperature evaporation room, is used, the waste heat of high temperature via
Regenerative heat exchanger 10 is entered in cryogenic vaporizer 7 and is used.The supplement energy 17 is provided on regenerative heat exchanger 10 simultaneously
Temperature is carried out and is adjusted by device.Cooking equipment 12, drying equipment 13, refrigeration unit more than 14 years are provided with after high-temperature power generation
Combined production device, setting is by heating 15,16 equipment of hot water after low-temperature electricity-generating, thus can utilize waste heat, thus this
Embodiment is the electricity generation system of multistage multiple element production.
Embodiment 5, distributed two-stage independent loops and complementary cycle power generation and polygenerations systeme
The present embodiment is that three solar low-temperature acquisition systems and three low-temperature electricity-generating units carry out distributed capture and divide
Cloth generates electricity, and waste heat is entered two high temperature solar acquisition systems by three low-temperature heat accumulating heat exchangers 10 and heated
Afterwards, it enters high temperature solar generating set after heating using the regenerative heat exchanger 10 of two high temperature to generate electricity, in height
Enter in temperature solar acquisition system after two the supplements energy, with high temperature solar acquisition system complementation and thermal energy is entered into high temperature
Electricity generation system, the high-temperature residual heat after power generation are entered by the Poly-generation drying of setting, refrigerating plant in regenerative heat exchanger 10, together
When setting one supplement the energy 17, by high-temperature power generation and polygenerations systeme after usinging the energy progress supplementary heating.
Principle and structure according to the present invention, can design other case study on implementation, if meet the principle of the present invention and
Structure belongs to the implementation of the present invention.
Claims (4)
1. multi-level solar and other energy complementation heat generating systems, including solar energy acquisition system, generating set, non-solar
The energy resource system of offer, one group of solar power system are connected in series or parallel with another set solar power system,
Waste heat after one group of solar power system power generation is utilized by another group of solar power system, realizes the hair of multistage UTILIZATION OF VESIDUAL HEAT IN
Electricity, two groups of solar power systems are made of one group of solar low-temperature electricity generation system and one group of solar energy high temperature electricity generation system,
It is characterized in：
One group of solar power system is formed by solar energy acquisition system and solar power generation unit, includes at least two groups of solar energy
The energy resource system that electricity generation system and at least one set of non-solar that the supplement energy is provided for solar power system provide；
Solar low-temperature electricity generation system use the thermal energy for the working media that solar energy high temperature electricity generation system generating set is discharged for
The energy realizes the energy of the working media after low-temperature solar energy power generation or the power generation of solar low-temperature electricity generation system by solar energy height
Warm electricity generation system is utilized to generate electricity for high temperature solar, using a kind of following work Jie that high-temperature power generation unit is discharged mode
The thermal energy of matter is the energy, is used for the power generation of low-temperature electricity-generating unit：
A, the working media that high-temperature power generation unit is discharged is delivered directly in low-temperature electricity-generating unit and is generated electricity；
B, the working media that high-temperature power generation unit is discharged is delivered in storage heater, by one group of heat-exchanger rig and storage heater into
Thermal energy is subjected to accumulation of heat after row heat exchange, one group of heat exchanger is provided between low-temperature electricity-generating unit and storage heater, when needing power generation
Heat exchange, which is carried out, by heat exchanger and low-temperature electricity-generating unit realizes power generation；
The energy of working media after solar low-temperature electricity generation system is generated electricity using one of following manner is as solar energy high temperature
The energy of electricity generation system：
A, waste heat after low-temperature electricity-generating is mixed to the energy for collectively forming high-temperature power generation with high temperature heat source；
B, the waste heat of low-temperature electricity-generating is carried out to the temperature for the heat source for being heated to solar energy high temperature electricity generation system, carry out high-temperature power generation；
C, the waste heat of low-temperature electricity-generating is subjected to repressurization to the temperature and pressure of the heat source of solar energy high temperature electricity generation system, carried out high
Temperature power generation；
It is additionally provided with the storage heater of different temperatures, storage heater is arranged in solar power system, enters in low-temperature working medium
Before low-temperature electricity-generating unit, hot operation medium enter high-temperature power generation unit before, the outlet of high-temperature power generation unit；In storage heater
It is provided with heat-storing material, heat-storing material is selected from following one kind or combinations thereof：
A, water；
B, conduction oil；
C, solid-liquid phase change or solid-solid phase change substance；
D, fuse salt；
The working media is selected from following one kind：
A, freon；
B, ammonia；
C, water；
D, hydrocarbon；
E, alcohol；
F, greenhouse gases；
Other energy of non-solar are selected from following at least one：
A, coal, oil, natural gas or coal gas are included by traditional coal, the oil energy that either air lift supplies；
B, the energy that biomass provides, including either biogas or biomass cracking generate what gasification generated to various burning plants
The energy；
C, the energy that the biogas that the excrement of the mankind or animal discharge generates provides；
D, underground heat：The energy that geothermal energy provides；
E, waste heat：The waste heat that industry or enterprise, family provide；
The energy that wherein biomass provides includes that the biomass provided by factory farming part, bacteria stick are directly burnt, Huo Zheyou
Biomass, the bacteria stick of factory farming part offer are formed by biogas, or remaining fruit of being extracted oil by manioca, palm oil
Biomass energy of the shell slag through burning or cracking or biogas is formed；
High-temperature power generation unit and low-temperature electricity-generating unit can make up two independent power generation cycle system power generations, in high temperature and low temperature
Heat-exchanger rig is provided between generating set, the working media of heat source and low-temperature electricity-generating unit that high-temperature power generation unit is discharged
It exchanges heat, realizes that twin-stage generates electricity in such a way that the heat source of high-temperature power generation unit to be heated to low-temperature working medium, non-solar
Other energy provide the complementary energy for the arrival end of low-temperature electricity-generating unit or high-temperature power generation unit；
It is additionally provided with polygeneration plant, polygeneration plant is arranged in generating set working media outlet, polygeneration plant conduct
The condenser of electricity generation system is connected with generating set, or in parallel with the progress of electricity generation system condenser, by the work after power generation
The waste heat for making medium is used, and connection is realized by series, parallel or Hybrid connections between multiple polygeneration plant settings；
Polygeneration plant is selected from following at least one：
A, heating equipment：The radiator of the storage heater, heating that are connect by heat exchanger or with heat exchanger, follows at floor heating pipeline
Ring pump group at a circulation closed system, the high temperature fluid of the heat exchanger is power generation cycle working media, realizes and is followed to power generation
Ring working media is condensed, and thermal energy is transformed on low temperature heating fluid by the low temperature heating fluid of heat exchanger by heat exchanger,
Low temperature heating fluid transfers thermal energy to the radiator of heating through circulating pump, on floor heating pipeline, realizes the heating to building；
B, domestic hot-water's equipment：The storage heater that is connect by heat exchanger or with heat exchanger, taps, shower nozzle, pump group were at should
The high temperature fluid of heat exchanger is power generation cycle working media, and realization is condensed and utilized to power generation cycle working media, low temperature
Fluid heats domestic hot-water；
C, refrigeration equipment：The cycle that storage heater, refrigeration unit, the circulating pump being connect by heat exchanger or with heat exchanger form
The high temperature fluid of closed system, the heat exchanger is power generation cycle working media, and realization condenses power generation cycle working media
Or utilize, the cryogenic refrigeration fluid of heat exchanger obtains thermal energy by heat exchanger, is freezed by refrigeration unit；
D, Water boiling equipment：It is made of the boiling water storage heater, the taps that exchange heat with heat exchanger, heat exchanger is by boiling water storage heater
Hot water carries out being heated as boiling water；
E, drying equipment：Include the drying equipment to exchange heat with heat exchanger, heat exchanger provides thermal energy, heat exchanger for drying equipment
Power generation cycle working media high temperature fluid temperature be higher than 40 degree；
F, cooking equipment：Include the cooking equipment to exchange heat with heat exchanger, heat exchanger provides thermal energy, heat exchanger for cooking equipment
Power generation cycle working media high temperature fluid temperature be higher than 80 degree.
2. multi-level solar according to claim 1 and other energy complementation heat generating systems, it is characterized in that:Solar energy
The condensation temperature of high-temperature power generation system is 60-300 degrees Celsius, and solar energy high temperature electricity generation system is generated electricity using Steam Turbine, the sun
Energy low-temperature generating system uses expanding machine unit generation, high-temperature power generation unit that steam is used to generate electricity for working media, low temperature
Generating set is to be generated electricity using the rankine cycle of organic working media.
3. multi-level solar according to claim 1 and other energy complementation heat generating systems, it is characterized in that:Solar energy
Low temperature acquisition system is using following one kind or combinations thereof：
A, vacuum tube；
B, tablet；
Solar energy high temperature acquisition system is using following one kind or combinations thereof：
A, slot type；
B, tower；
D, dish-style；
E, Fresnel mirror.
4. multi-level solar according to claim 1 and other energy complementation heat generating systems, it is characterized in that：Multiple sun
Energy low temperature acquisition system carries out distributed capture and multiple solar energy high temperature acquisition systems carry out distributed capture, multiple sun
Multiple solar low-temperature heat source systems can be formed after the acquisition of low temperature acquisition system, multiple solar low-temperature heat source systems with it is multiple low
Warm generating set realizes distributed power generation, the energy of multiple solar energy high temperature acquisition systems acquisitions enter high-temperature power generation unit into
Row distributed power generation；Waste heat after the power generation of low-temperature electricity-generating and high-temperature power generation is mutually utilized, and the heat source after power generation is by system
Entered back into after cold, dry either heating Poly-generation application solar low-temperature acquisition system or solar energy high temperature acquisition system into
Row circulating generation.
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| CN101055121B (en) * | 2007-05-31 | 2010-05-19 | 上海交通大学 | Minisize distributed type solar energy driven combining system for supplying cool, hot energy and electricity |
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