CN208803951U - A kind of nuclear energy and groove type solar photo-thermal combined generating system - Google Patents
A kind of nuclear energy and groove type solar photo-thermal combined generating system Download PDFInfo
- Publication number
- CN208803951U CN208803951U CN201821041426.1U CN201821041426U CN208803951U CN 208803951 U CN208803951 U CN 208803951U CN 201821041426 U CN201821041426 U CN 201821041426U CN 208803951 U CN208803951 U CN 208803951U
- Authority
- CN
- China
- Prior art keywords
- heating circuit
- steam
- energy heating
- groove type
- nuclear energy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
-
- 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
- Y02E30/00—Energy generation of nuclear origin
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
A kind of nuclear energy and groove type solar photo-thermal combined generating system, including nuclear energy heating circuit, solar energy heating circuit and power generation circuit, power generation circuit includes the steam turbine for connecting generator, the steam inlet of steam turbine connects steam generator through superheater, and the steam (vapor) outlet of steam turbine is passed through steam generator through condenser and watering cycle pump；Nuclear energy heating circuit is connected on steam generator and exchanges heat, and main pump, nuclear reactor and voltage-stablizer are equipped in nuclear energy heating circuit；Solar energy heating circuit is connected on superheater and exchanges heat, and low-temperature molten salt tank, groove type solar Jing Chang and high temperature melting salt cellar are equipped in solar energy heating circuit.The utility model is in power generation process, and the cooling water in steam generator is heated to be saturated vapor and is sent into superheater by nuclear energy heating circuit, and the saturated vapor in superheater is heated to be superheated steam again by solar energy heating circuit, and generating efficiency is higher.
Description
Technical field
The utility model belongs to power field, and in particular to a kind of nuclear energy and groove type solar photo-thermal combined generating system.
Background technique
Nuclear power plant is the power plant produced electricl energy that released energy using nuclear fission or nuclear fusion reaction, is split including the use of core
Become the nuclear island of production steam and the conventional island using steam-electric power.What the nuclear island of nuclear power station was commonly equipped at present is Natural Circulation
Steam generator can only generate saturated vapor, in addition, the safe operation for reactor considers that nuclear island coolant does not allow to boil
It rises (i.e. < 320 DEG C), therefore, nuclear power station is usually that the saturated vapor that circuit generates 8Mpa or so (about 290 DEG C) is passed through steam turbine
Acting, steam parameter is low to cause generating efficiency not high.Using Molten Binary Salts as the groove type solar photo-thermal power generation for passing heat-storage medium,
It is a kind of solar energy thermal-power-generating technology of mainstream, has and realize that generated output is steady in the case where night or bad sun resource
Surely the advantages of exporting, but since the fusing point of fused salt is higher, in order to avoid fused salt solidifies in heat-exchange system, the general binary that is arranged melts
The safe temperature of salt is not less than 290 DEG C.But when fused salt and water exchange heat, since feed temperature is not high, for the solidification for reducing fused salt
Risk needs to configure enough electric tracings as auxiliary, is frequently necessary to open at electric tracing maintenance fused salt in underrun
In safe temperature, cause anti-condensation power consumption serious, influences the economy of solar energy thermo-power station.Therefore, how optimization system designs,
Advantage, raising generating efficiency, raising power station economy that utilization of new energy resources is provided multiple forms of energy to complement each other are played, is a problem to be solved.
Utility model content
The purpose of this utility model is that being directed to above-mentioned the problems of the prior art, a kind of nuclear energy and groove type solar are provided
Photo-thermal combined generating system can reduce the risk of fused salt solidification, reduces station-service electricity, effectively improves generating efficiency.
To achieve the goals above, the utility model nuclear energy and groove type solar photo-thermal combined generating system include that nuclear energy adds
Hot loop, solar energy heating circuit and power generation circuit, the power generation circuit include the steam turbine for connecting generator, steam turbine
Steam inlet connects steam generator through superheater, and the steam (vapor) outlet of steam turbine is passed through steam through condenser and watering cycle pump
Generator；The nuclear energy heating circuit, which is connected on steam generator, to exchange heat, and main pump, core are equipped in nuclear energy heating circuit
Reactor and voltage-stablizer；The solar energy heating circuit, which is connected on superheater, to exchange heat, in solar energy heating circuit
Equipped with low-temperature molten salt tank, groove type solar Jing Chang and high temperature melting salt cellar；The nuclear energy heating circuit will be in steam generator
Cooling water be heated to be saturated vapor be sent into superheater, the saturated vapor in superheater was heated to be by solar energy heating circuit again
Hot steam.
The nuclear reactor is presurized water reactor.
Steam generator uses the saturated steam generator with steam-water separator or vertical straight tube forced circulation type steam
Generator.
The superheater uses shell-and-tube heat exchanger or plate heat exchanger.
The high-temperature melting salt pump for being all made of submerged pump and low is respectively equipped at the top of the high temperature melting salt cellar and low-temperature molten salt tank
Temperature molten salt pump.
Groove type heat collector and evacuated collector tube are used in the groove type solar mirror field.
The electricity-generating method of the utility model nuclear energy and groove type solar photo-thermal combined generating system, comprising the following steps:
1) low-temperature circulating medium is sent into nuclear reactor by main pump, and the heat absorption of low-temperature circulating medium becomes high temperature circulation medium and goes forward side by side
Enter steam generator, voltage-stablizer compensates nuclear energy heating circuit because volume caused by temperature change changes, and high temperature circulation medium is steaming
Cooling water is heated to be saturated vapor in vapour generator, the low-temperature circulating medium after heat exchange is again introduced into nuclear reactor；
2) low-temperature molten salt is sent into groove type solar Jing Chang by low-temperature molten salt tank, is become after the heat of low-temperature molten salt absorption solar energy
For high-temperature molten salt and enter high-temperature molten salt tank, high-temperature molten salt is sent into superheater and steams the saturation in superheater by high temperature melting salt cellar
Vapour is heated to be superheated steam, and the low-temperature molten salt after heat exchange enters back into low-temperature molten salt tank；
3) cooling water is sent into steam generator by watering cycle pump, absorbs the heat of nuclear energy heating circuit high temperature circulation medium
Become saturated vapor, enters superheater further out steam generator, saturated vapor absorbs solar energy heating circuit high-temperature molten salt
Heat becomes superheated steam, enters steam turbine further out superheater, superheated steam pushing turbine does work and drives generator pair
Outer output power, the steam exhaust after acting enter condenser and become cooling water, and cooling water is sent after pressurizeing again by watering cycle pump
Enter steam generator and is heated to be saturated vapor.
Circulatory mediator in the nuclear energy heating circuit uses the light-water dissolved with boric acid, the heavy water dissolved with boric acid, dissolved with cadmium
The light-water of salt and dissolved with any one in the heavy water of cadmium salt.
The two end number mixing fused salt that fused salt in the solar energy heating circuit uses sodium nitrate and potassium nitrate to form in proportion.
Compared with prior art, the utility model is by the way that by nuclear power and trough type solar power generation combination, power station is recycled
The heating process of water is divided into two sections, and subcooled water is heated to be saturated vapor using nuclear energy by first segment, and second segment will using solar energy
Saturated vapor is heated to be superheated steam.On the one hand the utility model overcomes the low caused generating efficiency of traditional nuclear power steam parameter
The saturated vapor that nuclear power circuit generates further is heated to be superheated steam by low disadvantage, by improving steam parameter, is improved
Whole generating efficiency；It on the other hand is from 290 DEG C of nuclear energy heating circuit with fused salt heat exchanging in solar energy heating circuit
The saturated vapor of left and right, therefore the temperature of Molten Binary Salts is not less than saturated-steam temperature after heat exchange, significantly reduces tradition and adopts
Molten Binary Salts are used as the solidification risk of fused salt in the solar light-heat power-generation station of storage heat transferring medium, reduces electric tracing and uses frequency
Rate reduces station-service electricity, improves power station economy.In addition, the system of the utility model has heat storage capacity, passes through and configure
The heat reservoir of large capacity can operate normally in the case where night or bad sun resource, realize the steady of generation load
Fixed output.
Detailed description of the invention
The overall operation process schematic of Fig. 1 the utility model；
In attached drawing: 1- nuclear reactor；2- voltage-stablizer；3- steam generator；4- main pump；5- groove type solar Jing Chang；6- high
Temperature molten salt tank；7- low-temperature molten salt tank；8- superheater；9- steam turbine；10- generator；11- condenser；12- watering cycle pump.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings.
Referring to Fig. 1, the utility model nuclear energy and groove type solar photo-thermal combined generating system include nuclear energy heating circuit, too
Positive energy heating circuit and power generation circuit, power generation circuit include the steam turbine 9 for connecting generator 10, the steam inlet warp of steam turbine 9
Superheater 8 connects steam generator 3, and the steam (vapor) outlet of steam turbine 9 is passed through steam hair through condenser 11 and watering cycle pump 12
Raw device 3；Nuclear energy heating circuit is connected on steam generator 3 and exchanges heat, and main pump 4, nuclear reaction are equipped in nuclear energy heating circuit
Heap 1 and voltage-stablizer 2；Solar energy heating circuit is connected on superheater 8 and exchanges heat, and low temperature is equipped in solar energy heating circuit
Fused salt tank 7, groove type solar mirror field 5 and high temperature melting salt cellar 6；Nuclear energy heating circuit adds the cooling water in steam generator 3
Heat is that saturated vapor is sent into superheater 8, and the saturated vapor in superheater 8 is heated to be superheated steam again by solar energy heating circuit.
The nuclear reactor 1 of the utility model uses presurized water reactor, and groove type solar mirror field 5 includes at least one set of trough type solar heat-collector,
Trough type solar heat-collector includes support post, groove type heat collector, evacuated collector tube and driving device.
Embodiment 1
The electricity-generating method of the utility model nuclear energy and groove type solar photo-thermal combined generating system, comprising the following steps:
Step 1: nuclear energy heating circuit circulation；
Pressure is 12Mpa by main pump 4, and temperature is 282 DEG C, and the boracic cooling water that flow is 480kg/s is sent into nuclear reactor
1, the heat that nuclear reactor 1 generates is absorbed, is heated to 295 DEG C, into steam generator 3 and power generation circuit watering cycle pump 12
The device of working medium of feeding exchanges heat, and steam generator 3 uses horizontal steam generator, generates the saturated vapor that temperature is 280 DEG C
Into solar energy heating circuit, voltage-stablizer 2 adjusts pressure by changing vapour density, guarantees that nuclear energy heating circuit system is stablized.
Step 2: solar energy heating circuit cycle；
Heating hot salt temperature in salt cellar is 500 DEG C, and cold salt temperature is 290 DEG C in sloppy heat salt cellar, and fused salt is 60% sodium nitrate
With the mixing Molten Binary Salts of 40% potassium nitrate, solar energy mirror field 5 includes the groove type heat collector that 50 opening diameters are 5.77m.When
Intensity of solar radiation meets or exceeds 300W/m2When, the low-temperature molten salt that temperature is 290 DEG C is flowed out by the outlet of low-temperature molten salt tank 7
Into groove type solar mirror field 5, solar heat is absorbed, 500 DEG C of high-temperature molten salt is heated to be and returns to high temperature melting salt cellar 6；Together
The high-temperature molten salt that Shi Wendu is 500 DEG C by the outflow of high temperature melting salt cellar 6 enter superheater 8 and nuclear energy heating circuit Lai saturated vapor
It exchanges heat, superheater is shell-and-tube heat exchanger, and steam walks pipe side, and fused salt walks shell-side, flow rate of molten salt 29kg/s；Saturated vapor
It is heated to be 480 DEG C of superheated steam and enters power generation circuit, high-temperature molten salt temperature is reduced to 290 DEG C, returns to low-temperature molten salt tank 7.
Step 3: power generation circuit circulation；
Temperature is 480 DEG C, and the superheated steam that flow is 16kg/s enters the acting of steam turbine 9, converts the thermal energy of steam to
Mechanical energy, drives generator 10 to generate electricity by steam turbine 9, converts power output for mechanical energy, generator 10 it is specified defeated
Power is 10MW out；After steam exhaust after acting enters 11 heat release of condenser, nuclear energy heating is returned to by 12 pressurization of watering cycle pump
The steam generator 3 in circuit starts new suction heat release circulation.
Embodiment 2
The electricity-generating method of the utility model nuclear energy and groove type solar photo-thermal combined generating system, comprising the following steps:
Step 1: nuclear energy heating circuit circulation；
Pressure is 13Mpa by main pump 4, and temperature is 282 DEG C, and the cooling water containing cadmium that flow is 920kg/s is sent into nuclear reactor
1, the heat that nuclear reactor generates is absorbed, is heated to 310 DEG C, into steam generator 3 and power generation circuit watering cycle pump 12
The device of working medium of feeding exchanges heat, and steam generator 3 uses horizontal steam generator, generates the saturated vapor that temperature is 290 DEG C
Into solar energy heating circuit, voltage-stablizer 2 adjusts pressure by changing vapour density, guarantees that nuclear energy heating circuit system is stablized.
Step 2: solar energy heating circuit cycle；
Heating hot salt temperature in salt cellar is 555 DEG C, and cold salt temperature is 300 DEG C in sloppy heat salt cellar, and fused salt is 40% sodium nitrate
With the mixing Molten Binary Salts of 60% potassium nitrate, solar energy mirror field 5 includes the groove type heat collector that 80 opening diameters are 7.51m.When
Intensity of solar radiation meets or exceeds 300W/m2When, the low-temperature molten salt that temperature is 300 DEG C is flowed out by the outlet of low-temperature molten salt tank 7
Into groove type solar mirror field 5, solar heat is absorbed, 555 DEG C of high-temperature molten salt is heated to be and returns to high temperature melting salt cellar 6；Together
Shi Wendu is that 555 DEG C of high-temperature molten salt is flowed out by high temperature melting salt cellar 6, and the saturated vapor come into superheater 8 and primary Ioops carries out
Heat exchange, heat exchanger is plate heat exchanger, flow rate of molten salt 86kg/s；The superheated steam that saturated vapor is heated to be 540 DEG C enters
Power generation circuit, high-temperature molten salt temperature are reduced to 300 DEG C, return to low-temperature molten salt tank 7.
Step 3: power generation circuit circulation；
Temperature is 540 DEG C, and the superheated steam that flow is 50kg/s enters the acting of steam turbine 9, converts the thermal energy of steam to
Mechanical energy, drives generator 10 to generate electricity by steam turbine 9, converts power output for mechanical energy, generator 10 it is specified defeated
Power is 50MW out；After steam exhaust after acting enters 11 heat release of condenser, nuclear energy heating is returned to by 12 pressurization of watering cycle pump
The steam generator 3 in circuit starts new suction heat release circulation.
The foregoing is merely preferred embodiments, are not intended to limit the utility model, it is all the utility model spirit and
Within principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of nuclear energy and groove type solar photo-thermal combined generating system, it is characterised in that: including nuclear energy heating circuit, solar energy
Heating circuit and power generation circuit, the power generation circuit include the steam turbine (9) of connection generator (10), the steaming of steam turbine (9)
Vapour entrance connects steam generator (3) through superheater (8), and the steam (vapor) outlet of steam turbine (9) is followed through condenser (11) and water supply
Ring pump (12) is passed through steam generator (3)；The nuclear energy heating circuit is connected on steam generator (3) and exchanges heat, core
Main pump (4), nuclear reactor (1) and voltage-stablizer (2) can be equipped in heating circuit；The solar energy heating circuit was connected to
It exchanges heat on hot device (8), low-temperature molten salt tank (7), groove type solar Jing Chang (5) and high temperature is equipped in solar energy heating circuit
Fused salt tank (6)；Cooling water in steam generator (3) is heated to be saturated vapor and is sent into superheater by the nuclear energy heating circuit
(8), the saturated vapor in superheater (8) is heated to be superheated steam again by solar energy heating circuit；The groove type solar mirror
Groove type heat collector and evacuated collector tube are used in field (5)；Low-temperature molten salt enters slot type too by the outlet outflow of low-temperature molten salt tank (7)
Positive energy Jing Chang (5), absorbs solar heat, is heated to be high-temperature molten salt and returns to high temperature melting salt cellar (6)；High-temperature molten salt is by height simultaneously
Temperature molten salt tank (6) outflow enters the saturated vapor that superheater (8) are come with nuclear energy heating circuit and exchanges heat；Saturated vapor is heated
Enter power generation circuit for superheated steam, high-temperature molten salt temperature reduces, and returns low-temperature molten salt tank (7).
2. nuclear energy according to claim 1 and groove type solar photo-thermal combined generating system, it is characterised in that: the core
Reactor (1) is presurized water reactor.
3. nuclear energy according to claim 1 and groove type solar photo-thermal combined generating system, it is characterised in that: the steaming
Vapour generator (3) uses the saturated steam generator with steam-water separator or vertical straight tube forced circulation type steam generator.
4. nuclear energy according to claim 1 and groove type solar photo-thermal combined generating system, it is characterised in that: the mistake
Hot device (8) uses shell-and-tube heat exchanger or plate heat exchanger.
5. nuclear energy according to claim 1 and groove type solar photo-thermal combined generating system, it is characterised in that: the high temperature
It is respectively equipped with the high-temperature melting salt pump for being all made of submerged pump at the top of fused salt tank (6) and low-temperature molten salt tank (7) and low-temperature molten salt pumps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821041426.1U CN208803951U (en) | 2018-06-29 | 2018-06-29 | A kind of nuclear energy and groove type solar photo-thermal combined generating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821041426.1U CN208803951U (en) | 2018-06-29 | 2018-06-29 | A kind of nuclear energy and groove type solar photo-thermal combined generating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208803951U true CN208803951U (en) | 2019-04-30 |
Family
ID=66228455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821041426.1U Active CN208803951U (en) | 2018-06-29 | 2018-06-29 | A kind of nuclear energy and groove type solar photo-thermal combined generating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208803951U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799025A (en) * | 2018-06-29 | 2018-11-13 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of nuclear energy and groove type solar photo-thermal combined generating system and electricity-generating method |
-
2018
- 2018-06-29 CN CN201821041426.1U patent/CN208803951U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799025A (en) * | 2018-06-29 | 2018-11-13 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of nuclear energy and groove type solar photo-thermal combined generating system and electricity-generating method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108799026A (en) | A kind of nuclear energy and Fresnel solar energy optical-thermal combined generating system and electricity-generating method | |
| CN108678915A (en) | A kind of nuclear energy and tower type solar photo-thermal combined generating system and electricity-generating method | |
| CN204610203U (en) | A kind of adiabatic compression air energy-storage and the integrated system of solar energy | |
| CN106014891B (en) | A kind of groove type solar association circulating power generation system | |
| CN203394692U (en) | Tower-type solar power generation system adopting two different molten salts | |
| CN204186541U (en) | Fuse salt heat-accumulation solar heat generating system | |
| CN206111443U (en) | Trough type solar thermal power generation system system | |
| US20220415527A1 (en) | Combined power generation system and method of small fluoride-salt-cooled high-temperature reactor and solar tower | |
| CN108533467A (en) | A kind of slot type of power regulation, tower photo-thermal and photovoltaic can heat accumulation electricity generation systems | |
| CN106089340A (en) | Groove type solar conduction oil and fused salt mixing heat power generation system | |
| CN205779517U (en) | A kind of Novel wire focused solar energy combined generating system | |
| CN207830046U (en) | Solar parabolic through power generation system | |
| CN203964402U (en) | Utilize solar-energy light collector to provide the device of heat energy for chemical storage batteries | |
| CN209704778U (en) | A kind of tower-type solar thermal power generating system | |
| WO2019080809A1 (en) | Solar thermal-biomass power generating system | |
| CN207004745U (en) | A kind of full load fused salt steam generating system | |
| CN106225541A (en) | The tower solar-thermal generating system of the many heat collectors of single column formula | |
| CN209586603U (en) | The tower slot of three pot type fused salt heat accumulations couples solar-thermal generating system | |
| CN210179925U (en) | Groove type photo-thermal power generation system with complementary photo-electricity | |
| CN205823354U (en) | Groove type solar conduction oil and fused salt mixing heat power generation system | |
| CN205478136U (en) | Reduce structure of tower solar photothermal power of fused salt station heat waste | |
| CN208803951U (en) | A kind of nuclear energy and groove type solar photo-thermal combined generating system | |
| CN215256357U (en) | Supercritical carbon dioxide circulation photo-thermal power generation system for auxiliary heating of water supply | |
| CN109026240A (en) | The electricity generation system and method coupled based on nuclear energy with solar energy | |
| CN108799025A (en) | A kind of nuclear energy and groove type solar photo-thermal combined generating system and electricity-generating method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |