CN106677844B - The series-parallel coupled electricity-generation system of nuclear energy and conventional energy resource - Google Patents
The series-parallel coupled electricity-generation system of nuclear energy and conventional energy resource Download PDFInfo
- Publication number
- CN106677844B CN106677844B CN201510758354.7A CN201510758354A CN106677844B CN 106677844 B CN106677844 B CN 106677844B CN 201510758354 A CN201510758354 A CN 201510758354A CN 106677844 B CN106677844 B CN 106677844B
- Authority
- CN
- China
- Prior art keywords
- steam
- heat exchanger
- low
- pressure
- cylinder
- 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
- 238000010438 heat treatment Methods 0.000 claims abstract description 85
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000000605 extraction Methods 0.000 claims abstract description 41
- 230000002209 hydrophobic effect Effects 0.000 claims description 13
- 229920006395 saturated elastomer Polymers 0.000 claims description 8
- 238000010248 power generation Methods 0.000 abstract description 10
- 230000005611 electricity Effects 0.000 description 17
- 238000000034 method Methods 0.000 description 7
- 239000003245 coal Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 125000004122 cyclic group Chemical group 0.000 description 5
- 238000003303 reheating Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000006392 deoxygenation reaction Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- CUZMQPZYCDIHQL-VCTVXEGHSA-L calcium;(2s)-1-[(2s)-3-[(2r)-2-(cyclohexanecarbonylamino)propanoyl]sulfanyl-2-methylpropanoyl]pyrrolidine-2-carboxylate Chemical group [Ca+2].N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1.N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1 CUZMQPZYCDIHQL-VCTVXEGHSA-L 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003758 nuclear fuel Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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
- Y02E30/00—Energy generation of nuclear origin
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses the series-parallel coupled electricity-generation systems of a kind of nuclear energy and conventional energy resource, comprising: Turbo-generator Set, Turbo-generator Set include steam turbine and generator, and steam turbine is connected with generator and driven generator power generation；First Heat Exchanger and the second heat exchanger, First Heat Exchanger and the second heat exchanger are arranged in parallel and are connected respectively with Turbo-generator Set；Nuclear reactor, nuclear reactor are connected with First Heat Exchanger and the second heat exchanger respectively, and the steam that nuclear reactor generates is by First Heat Exchanger and the second heat exchanger to the return water heating from Turbo-generator Set；And heating device, heating device is connected with First Heat Exchanger, the second heat exchanger and Turbo-generator Set, for will be supplied to Turbo-generator Set after the heating of the steam of First Heat Exchanger and the second heat exchanger by conventional energy resource, a part of steam extraction of Turbo-generator Set enters heating device together with the return water being heated being discharged out of First Heat Exchanger.
Description
Technical field
The present invention relates to nuclear energy applied technical fields and conventional energy resource applied technical field, and in particular, to a kind of nuclear energy
With the series-parallel coupled electricity-generation system of conventional energy resource.
Background technique
Small reactor has the characteristics that high security, integration, modularization, multiduty.The research and development of current small-sized heap are
As the hot spot of nuclear power field in the world, in advanced and safety, international advanced three generations's nuclear power at present has been not less than it
Technical requirements.But economy is a restrictive factor for restricting rickle marketing application.Conventional electric power unit is due to can
To use the steam of higher quality, efficiency can achieve 45% or more, for example ultra supercritical conventional motor group main steam temperature can
To reach 600 DEG C, it is even higher that efficiency can achieve 49%.
Thermal power generation is the main source of current conventional electric power supply, and corresponding machine set technology is mature, and the thermal efficiency is higher.But
Current thermal power generation often relies on coal, is generated electricity by burning coal, and coal consumption amount is big, seriously polluted.
Summary of the invention
The present invention is directed to solve one of above-mentioned technical problem at least to a certain extent.
For this purpose, the present invention proposes the series-parallel coupled electricity-generation system of a kind of nuclear energy and conventional energy resource, the system effectiveness is high, dirty
Dye is few.
The series-parallel coupled electricity-generation system of nuclear energy and conventional energy resource according to an embodiment of the present invention, comprising: steam turbine generator
Group, the Turbo-generator Set include steam turbine and generator, and the steam turbine is connected with the generator and drives the hair
Electric power generation；First Heat Exchanger and the second heat exchanger, the First Heat Exchanger and the second heat exchanger be arranged in parallel and respectively with institute
Turbo-generator Set is stated to be connected；Nuclear reactor, the nuclear reactor are connected with the First Heat Exchanger and the second heat exchanger respectively,
The steam that the nuclear reactor generates is by the First Heat Exchanger and the second heat exchanger to from the Turbo-generator Set
Return water heating；And heating device, the heating device and the First Heat Exchanger, the second heat exchanger and the steam turbine generator
Group is connected, for will be supplied to institute after the heating of the steam of the First Heat Exchanger and the second heat exchanger by conventional energy resource
Turbo-generator Set is stated, a part of steam extraction of the Turbo-generator Set is together with the steam being discharged out of described First Heat Exchanger
Into the heating device.
The series-parallel coupled electricity-generation system of nuclear energy and conventional energy resource according to an embodiment of the present invention, using First Heat Exchanger and
Second heat exchanger respectively heats the working medium flowed out from Turbo-generator Set, and First Heat Exchanger and the second heat exchanger point
It is not connected with nuclear reactor, nuclear energy and routine may be implemented in the assignment of traffic of the working medium by adjusting Turbo-generator Set outflow
The different power accounting of the energy, engineering can easily be accommodated, and the heat that nuclear energy can be made full use of to provide, and improve reactor efficiency
With the efficiency of coupled system, it is made to have better economy, there is bigger application space, and reduce energy consumption, reduced
Pollution.
In addition, the series-parallel coupled electricity-generation system of nuclear energy according to an embodiment of the present invention and conventional energy resource, can also have
Following additional technical characteristic:
According to one embodiment of present invention, the steam turbine includes high pressure cylinder, intermediate pressure cylinder and low pressure (LP) cylinder, the heating dress
Setting has the first steam inlet, the second steam inlet, the first steam (vapor) outlet and the second steam (vapor) outlet, the air intake of the high pressure cylinder
Be connected with the first steam (vapor) outlet of the heating device, the first steam of the extraction opening of the high pressure cylinder and the heating device into
Mouth is connected, and the air intake of medium pressure cylinder is connected with the second steam (vapor) outlet of the heating device, the steam drain of medium pressure cylinder
It is connected with the air intake of the low pressure (LP) cylinder.
According to one embodiment of present invention, the Turbo-generator Set further includes being connected to the row of the low pressure (LP) cylinder in turn
Condenser, condensate pump, hydrophobic heat exchanger, low-pressure heater between steam ports and the First Heat Exchanger and the second heat exchanger,
Oxygen-eliminating device and feed pump, the First Heat Exchanger be connected to the feed pump and the heating device the first steam inlet it
Between, second heat exchanger is connected between the feed pump and the second steam inlet of the heating device.
According to one embodiment of present invention, the low pressure (LP) cylinder also has extraction opening, the extraction opening of the low pressure (LP) cylinder and institute
Low-pressure heater is stated to be connected to heat the condensed water entered from the condenser in the low-pressure heater.
According to one embodiment of present invention, the low-pressure heater includes that first to fourth grade of low pressure being one another in series adds
Hot device.
According to one embodiment of present invention, it is arranged from the first order low-pressure heater and the second level low-pressure heater
The steam extraction of low pressure (LP) cylinder out after the hydrophobic heat exchanger by returning in the condenser, from the third level low-pressure heater
The steam extraction of the low pressure (LP) cylinder of discharge enters from the return water that the third level low-pressure heater is discharged, from the fourth stage low-pressure heating
The steam extraction of the low pressure (LP) cylinder of device discharge enters time of the heating third level low-pressure heater in the third level low-pressure heater
Enter together with the steam extraction for the low pressure (LP) cylinder being discharged from the third level low-pressure heater from the third level low-pressure heater after water
In the return water of discharge.
According to one embodiment of present invention, the feed pump is by feed pump driving turbine driving, the feed pump driving
The working medium of turbine is the steam extraction from medium pressure cylinder.
According to one embodiment of present invention, the heating device is coal-burning boiler, oil burning boiler or gas fired-boiler.
According to one embodiment of present invention, the nuclear reactor is the small-sized heap that thermal power is no more than 1000MW.
According to one embodiment of present invention, the steam of the outlet of the First Heat Exchanger or the second heat exchanger includes saturation
Dry saturated steam, saturation moist steam and superheated steam.
According to one embodiment of present invention, it is flowed out from the first steam (vapor) outlet of the heating device or the second steam (vapor) outlet
Steam temperature be 500 DEG C -660 DEG C.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the structural representation of the series-parallel coupled electricity-generation system of nuclear energy and conventional energy resource according to an embodiment of the present invention
Figure.
Appended drawing reference:
Electricity generation system 100；
First Heat Exchanger 10；Second heat exchanger 11；Nuclear reactor 20；
Heating device 30；First steam inlet 31；Second steam inlet 32；First steam (vapor) outlet 33；Second steam (vapor) outlet
34；
Steam turbine 40；Intermediate pressure cylinder 41；Low pressure (LP) cylinder 42；High pressure cylinder 43；
Generator 50；Condenser 60；
Condensate pump 61；Hydrophobic heat exchanger 62；Low-pressure heater 63；
First order low-pressure heater 631；Second level low-pressure heater 632；Third level low-pressure heater 633；The fourth stage is low
Press heater 634；
Oxygen-eliminating device 70；Feed pump 80；Feed pump drives turbine 90.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
The series-parallel coupled electricity-generation of nuclear energy and conventional energy resource according to an embodiment of the present invention is specifically described with reference to the accompanying drawing
System 100.
As shown in Figure 1, the series-parallel coupled electricity-generation system 100 of nuclear energy according to an embodiment of the present invention and conventional energy resource includes
Turbo-generator Set, First Heat Exchanger 10 and the second heat exchanger 11, nuclear reactor 20 and heating device 30.
Specifically, Turbo-generator Set includes steam turbine 40 and generator 50, steam turbine 40 is connected simultaneously with generator 50
Driven generator 50 generates electricity, and First Heat Exchanger 10 and the second heat exchanger 11 are arranged in parallel and are connected respectively with Turbo-generator Set.
Nuclear reactor 20 is connected with First Heat Exchanger 10 and the second heat exchanger 11 respectively, and the steam that nuclear reactor 20 generates is changed by first
Hot device 10 and the second heat exchanger 11 are to the return water heating from Turbo-generator Set.
Heating device 30 is connected with First Heat Exchanger 10, the second heat exchanger 11 and Turbo-generator Set, for passing through routine
The energy will be supplied to Turbo-generator Set, turbine generator after the heating of the steam of First Heat Exchanger 10 and the second heat exchanger 11
A part of steam extraction of unit enters heating device 30 together with the return water being heated being discharged out of First Heat Exchanger 10.
Wherein, heating device 30 generates steam, and steam turbine 40 is connected with heating device 30 and generator 50 and drives power generation
Machine 50 generates electricity, and First Heat Exchanger 10 and the second heat exchanger 11 are located between the steam drain of steam turbine 40 and heating device 30, and core is anti-
Heap 20 is answered to be connected to First Heat Exchanger 10 and the second heat exchanger 11 and to the work by First Heat Exchanger 10 and the second heat exchanger 11
Matter is heated.
In other words, electricity generation system 100 according to an embodiment of the present invention is mainly by Turbo-generator Set, 10 and of First Heat Exchanger
Second heat exchanger 11, nuclear reactor 20 and heating device 30 form, wherein Turbo-generator Set can be hair commonly used in the art
Motor group.In this application, Turbo-generator Set mainly includes steam turbine 40 and generator 50, and heating device 30 generates steam,
Steam does work by 40 driving steam turbine 40 of steam turbine, the power generation of 40 driven generator 50 of steam turbine.
After the steam that heating device 30 flows out does work by steam turbine 40, flows back to heating device 30 and is recycled,
Vapor (steam) temperature after steam turbine 40 reduces, and will not usually flow directly into heating device 30, but needs to steam the part
Vapour is condensed, heats and flow back to heating device 30 again later.In this application, a part of steam flowed out from steam turbine 40 passes through
Enter the First Heat Exchanger 10 being connected with nuclear reactor 20 and the heating of the second heat exchanger 11 after condensation and then flows back to heating device
30, the heat heated to return water in First Heat Exchanger 10 and the second heat exchanger 11 utilizes core from nuclear reactor 20
The coupling scheme of reactor 20 and general energy system can use general energy system and obtain higher secondary circuit Temperature of Working
To improve the economy of reactor.
Add in addition, a part of steam extraction flowed out from steam turbine 40 enters together with the steam being discharged out of First Heat Exchanger 10
Thermal 30 can by adjusting steam extraction and the flow for the working medium for flowing through First Heat Exchanger 10 and the second heat exchanger 11 of the part
To realize the power accounting of nuclear energy and conventional energy resource, so that system can easily be accommodated.
In this application, the return water flowed out from steam turbine 40 is heated using nuclear reactor 20, is substituted using nuclear energy
A part of conventional energy resource, and nuclear energy is in the entire system, and the ratio for accounting for all energy can be adjusted rationally, so as to
With the heat for making full use of nuclear fuel to generate, the use of conventional energy resource is reduced, can achieve the effect of energy-saving and emission-reduction, is improved economical
Benefit.
The series-parallel coupled electricity-generation system 100 of nuclear energy and conventional energy resource according to an embodiment of the present invention as a result, using first
Heat exchanger 10 and the second heat exchanger 11 respectively heat the working medium flowed out from Turbo-generator Set, and First Heat Exchanger 10
It is connected respectively with nuclear reactor 20 with the second heat exchanger 11, the assignment of traffic of the working medium by adjusting Turbo-generator Set outflow,
The nuclear energy power accounting different with conventional energy resource may be implemented, engineering can easily be accommodated, and nuclear energy can be made full use of to provide
Heat improves the efficiency of reactor efficiency and coupled system, it is made to have better economy, has bigger application space, and
And energy consumption is reduced, reduce pollution.
According to one embodiment of present invention, steam turbine 40 includes high pressure cylinder 43, intermediate pressure cylinder 41 and low pressure (LP) cylinder 42, heating dress
Setting 30 has the first steam inlet 31, the second steam inlet 32, the first steam (vapor) outlet 33 and the second steam (vapor) outlet 34, high pressure cylinder 43
Air intake be connected with the first steam (vapor) outlet 33 of heating device 30, the first of the extraction opening of high pressure cylinder 43 and heating device 30 is steamed
Vapor inlet 31 is connected, and the air intake of intermediate pressure cylinder 41 is connected with the second steam (vapor) outlet 34 of heating device 30, the steam discharge of intermediate pressure cylinder 41
Mouth is connected with the air intake of low pressure (LP) cylinder 42.
That is, the steam turbine 40 of electricity generation system 100 according to an embodiment of the present invention is mainly by high pressure cylinder 43, intermediate pressure cylinder
41 and low pressure (LP) cylinder 42 form, heating device 30 then have there are two steam inlet and two steam (vapor) outlets, i.e. the first steam inlet 31,
Second steam inlet 32, the first steam (vapor) outlet 33 and the second steam (vapor) outlet 34.
Wherein, high pressure cylinder 43 has air intake and extraction opening, and the air intake of high pressure cylinder 43 and the first of heating device 30 are steamed
Vapor outlet 33 is connected, and the extraction opening of high pressure cylinder 43 is connected with the first steam inlet 31, the air intake and heating device of intermediate pressure cylinder 41
30 another steam (vapor) outlet i.e. the second steam (vapor) outlet 34 is connected, the air intake phase of the steam drain and low pressure (LP) cylinder 42 of intermediate pressure cylinder 41
Even.
Further, in certain specific embodiments of the invention, Turbo-generator Set further include be connected in turn it is low
Condenser 60, condensate pump 61, hydrophobic heat exchange between the steam drain and First Heat Exchanger 10 and the second heat exchanger 11 of cylinder pressure 42
Device 62, low-pressure heater 63, oxygen-eliminating device 70 and feed pump 80, First Heat Exchanger 10 are connected to feed pump 80 and heating device 30
Between first steam inlet 31, the second heat exchanger 11 is connected between feed pump and the second steam inlet 32 of heating device 30.
Specifically, as shown in Figure 1, in this application, First Heat Exchanger 10 and 11 parallel connection of the second heat exchanger are located at feed pump
Between 80 and heating device 30, wherein First Heat Exchanger 10 is located at the first steam inlet 31 of feed pump 80 Yu heating device 30
Between, and the second heat exchanger 11 is located between feed pump and the second steam inlet 32 of heating device 30.
According to one embodiment of present invention, low pressure (LP) cylinder 42 also has extraction opening, and extraction opening and the low pressure of low pressure (LP) cylinder 42 add
Hot device is connected to heat the condensed water entered in low-pressure heater 63 from condenser 60.Preferably, low-pressure heater 63 includes
First order low-pressure heater 631, second level low-pressure heater 632, third level low-pressure heater 633 and the fourth stage being one another in series
Low-pressure heater 634.
Further, the pumping for the low pressure (LP) cylinder 42 being discharged from first order low-pressure heater 631 and second level low-pressure heater 632
Vapour returns in condenser 60 after passing through hydrophobic heat exchanger 62, the pumping for the low pressure (LP) cylinder 42 being discharged from third level low-pressure heater 633
Vapour enters from the return water that third level low-pressure heater 633 is discharged, the low pressure (LP) cylinder 42 being discharged from fourth stage low-pressure heater 634
Steam extraction enters in third level low-pressure heater 633 after the return water of heating third level low-pressure heater 633 and from third level low pressure
The steam extraction for the low pressure (LP) cylinder 42 that heater 633 is discharged enters from the return water that third level low-pressure heater 633 is discharged together.
Low-pressure heater 63 according to an embodiment of the present invention can carry out the condensed water flowed out from condensate pump 61 as a result,
Adequately preheating.
According to one embodiment of present invention, feed pump 80 is driven by feed pump driving turbine 90, and feed pump drives turbine
90 working medium is the steam extraction from intermediate pressure cylinder 41.
That is, in this application, for the water in oxygen-eliminating device 70 to be pumped to First Heat Exchanger 10 and the second heat exchange
The power of the feed pump 80 of device 11 come from feed pump driving turbine 90, and feed pump driving turbine 90 working medium then from
The steam extraction of intermediate pressure cylinder 41.
Specifically, the water after deoxygenation pressurizes via feed pump 80, enters after raising pressure and is connected with nuclear reactor 20
First Heat Exchanger 10 and the second heat exchanger 11, water heat through nuclear reactor 20 in First Heat Exchanger 10 and the second heat exchanger 11
Amount is heated as saturated vapor or superheated steam.Thus, it is possible in raising system working medium pressure, to improve whole system
Efficiency, and the operating of feed pump 80 can be realized by the steam extraction of intermediate pressure cylinder 41, it is possible to reduce energy consumption, reduce operation at
This.
In certain specific embodiments of the invention, Turbo-generator Set is mesolow generating set, high-voltage generator
One of group, supervoltage generator group, subcritical generating set, supercritical generating sets or ultra supercritical unit.I.e.
Turbo-generator Set used in this application includes mesolow generating set, High-voltage generator set, supervoltage generator group, Asia
Critical generating set, supercritical generating sets, ultra supercritical unit and without being limited thereto.
Further, in this application, the heat-supplying mode of the conventional energy resource heated to heating device 30 includes: direct
Heating reactor secondary circuit working medium, high-quality working medium are mixed with reactor secondary circuit.Specifically, of the invention some specific
In embodiment, heating device 30 is coal-burning boiler, oil burning boiler or gas fired-boiler.
The range of choice of heating device 30 according to an embodiment of the present invention is wider as a result, and heating working medium can be coal, can also
To be natural gas or other biomass energies.
According to one embodiment of present invention, nuclear reactor 20 is the small-sized heap that thermal power is no more than 1000MW.Namely
It says, electricity generation system 100 according to an embodiment of the present invention is suitable for the small-sized heap that heat output of reactor is no more than 1000MW.
In certain specific embodiments of the invention, the steamdrum of the outlet of First Heat Exchanger 10 or the second heat exchanger 11
Include saturation dry saturated steam, saturation moist steam and superheated steam.Specifically, the steaming of the outlet of First Heat Exchanger 10 or the second heat exchanger 11
Vapour can be the saturation dry saturated steam in 5-23MPa pressure limit, the saturation moist steam in 5-23MPa pressure limit, 5-23MPa pressure
Superheated steam of the various degrees of superheat within the scope of power etc. and without being limited thereto.
The heating device 30 of the structure can reduce entire electricity generation system 100 and change First Heat Exchanger 10 and second as a result,
The requirement for the steam quality that hot device 11 exports, can simplify reheat system after the heat exchanger steam-water separation being connected with reactor,
It is further simplified system structure, reduces cost.
In certain specific embodiments of the invention, go out from the first steam (vapor) outlet 33 of heating device 30 or the second steam
The temperature of the steam of 34 outflow of mouth is 500 DEG C -660 DEG C.As a result, the steam of the temperature enter Turbo-generator Set can obtain compared with
High generating efficiency.
The workflow of electricity generation system 100 according to an embodiment of the present invention is detailed below.
Electricity generation system 100 according to an embodiment of the present invention at work, heating device 30 generate steam, a part of steam from
The outflow of first steam (vapor) outlet 33,43 driven generator 50 of high pressure cylinder into steam turbine 40 generate electricity, the reheating steam extraction of high pressure cylinder 43
Flow back to the first steam inlet 31 of heating device 30.Another part steam is flowed out from the second steam (vapor) outlet 34, into steam turbine 40
Intermediate pressure cylinder 41 and 42 driven generator 50 of low pressure (LP) cylinder power generation, from the steam drain of low pressure (LP) cylinder 42 be discharged steam sequentially enter condensing
Device 60, condensate pump 61, hydrophobic heat exchanger 62 and low-pressure heater 63, the extraction opening 421 and low-pressure heater 63 of low pressure (LP) cylinder 42
It is connected and heats the condensed water entered in low-pressure heater 63 from condenser 60.
Wherein, the steam extraction for the low pressure (LP) cylinder 42 being discharged from first order low-pressure heater 631 and second level low-pressure heater 632 is logical
Cross after hydrophobic heat exchanger 62 back in condenser 60, the steam extraction of the low pressure (LP) cylinder 42 being discharged from third level low-pressure heater 633 into
Enter from the return water that third level low-pressure heater 633 is discharged, the steam extraction for the low pressure (LP) cylinder 42 being discharged from fourth stage low-pressure heater 634
It enters in third level low-pressure heater 633 after the return water of heating third level low-pressure heater 633 and from third level low-pressure heating
The steam extraction for the low pressure (LP) cylinder 42 that device 633 is discharged enters from the return water that third level low-pressure heater 633 is discharged together.
70 deoxygenation of oxygen-eliminating device is flowed through by the return water that level Four low-pressure heater heats, is then pressurizeed by feed pump 80, is returned
Water is flowed into the First Heat Exchanger 10 and the second heat exchanger 11 being connected with nuclear reactor 20 and is heated, wherein passes through First Heat Exchanger
10 heating after steam with from the steam extraction that high pressure cylinder 43 flow out mix after from the first steam inlet 31 entrance heating device 30, process
The steam of second heat exchanger 11 heating then enters heating device 30 from the second steam inlet 32, is recycled.
That is, in this application, the steam discharge of steam turbine 40 enters condenser 60, the condensed water that condenser 60 exports into
Enter condensate pump 61, the water supply that condensate pump 61 exports via hydrophobic heat exchanger 62 (by the hydrophobic heating of low-pressure heater 63) and
It is (hybrid to add into oxygen-eliminating device 70 after level Four low-pressure heater heating (being heated by the level Four regenerative steam of low-pressure heater 63)
Hot device is heated by the regenerative steam of middle pressure heater, and deoxygenation) after, it is pressurizeed, is respectively enterd and reactor phase by feed pump 80
First Heat Exchanger 10 and the second heat exchanger 11 even.
Wherein, become saturated water after a part of water supply is heated via the First Heat Exchanger 10 being connected with reactor, then by another
One feed pump is unsaturated water after further pressurizeing, into supercritical steam or ultra supercritical steam is heated to be in boiler, later
High pressure cylinder 43 into steam turbine 40 does work (driven generator power generation), and the steam discharge of high pressure cylinder 43 enters the intermediate pressure cylinder of steam turbine 40
41 continue to do work, and after the reheated steam of high pressure cylinder 43 enters cold section of reheating heating of boiler, steam turbine is entered after reheated hot arc
40 intermediate pressure cylinder 41 does work, and the low pressure (LP) cylinder 42 that the steam discharge of intermediate pressure cylinder 41 enters steam turbine 40 does work, the row of steam turbine 40 after acting
Vapour enters condenser 60, completes cyclic process.
Become saturated vapor or superheated steam after the second heat exchanger 11 heating that another part water supply is connected via reactor,
Intermediate pressure cylinder 41, the acting driven generator 50 of low pressure (LP) cylinder 42 of steam turbine 40 are sequentially entered after mixing with 43 reheated steams of high pressure cylinder
Power generation, the steam discharge of steam turbine 40 enters condenser after acting, completes cyclic process.
In this application, the heat that nuclear reactor 20 is generated using fuel fission heats secondary circuit by two heat exchangers
Water supply, there are two feed pumps in entire coupled electricity-generation system, provide different feed pressures, become after the reacted heap heating of water supply
Saturated vapor or superheated steam enter the hot side again of boiler, in addition, steam turbine high-pressure cylinder after mixing with the reheated steam of high pressure cylinder
The distribution of flow and again heat flow can be by being adjusted, and then adjusts the power accounting of nuclear energy and conventional energy resource.
Electricity generation system 100 according to the present invention is described combined with specific embodiments below.
Embodiment 1
As shown in Figure 1, the heating device 30 of electricity generation system 100 according to an embodiment of the present invention uses boiler, steam turbine 40
Including high pressure cylinder 43, intermediate pressure cylinder 41 and low pressure (LP) cylinder 42, boiler has there are two steam inlet and two steam (vapor) outlets, high pressure cylinder 43
Air intake is connected with a steam (vapor) outlet of boiler, and the extraction opening of high pressure cylinder 43 is connected with a steam inlet of boiler.Middle pressure
Cylinder 41 is connected with another steam (vapor) outlet of boiler, and low pressure (LP) cylinder 42 is connected with intermediate pressure cylinder 41 and generator 50.The outlet of low pressure (LP) cylinder 42
It is connected with condenser 60 and oxygen-eliminating device 70, feed pump 80 is located between oxygen-eliminating device 70 and First Heat Exchanger 10 and the second heat exchanger 11,
First Heat Exchanger 10 and the second heat exchanger 11 are connected with two steam inlets of feed pump 80 and boiler respectively.Nuclear reactor 20 with
First Heat Exchanger 10 be connected with the second heat exchanger 11 and in First Heat Exchanger 10 and the second heat exchanger 11 steam or water carry out
Heating.
The cyclic process of a part of cycle fluid of electricity generation system 100 are as follows: boiler generates the steaming of 500 DEG C to 660 DEG C ranges
Vapour, some vapor enter high pressure cylinder 43 from a steam (vapor) outlet of boiler and do work, generate electricity to generator 50, the pumping of high pressure cylinder 43
Steam flow back boiler, reheating enters intermediate pressure cylinder 41 from another steam (vapor) outlet of boiler later and low pressure (LP) cylinder 42 is done manual work, driving power generation
Machine 50 generates electricity.
The steam discharge being discharged from low pressure (LP) cylinder 42 successively passes through condenser 60, and (outlet feed pressure is about 0.005MPa, and temperature exists
30 DEG C or so), condensate pump 61 (provide condensed water to 70 power demand of oxygen-eliminating device, pressure by low-pressure heater 63 pressure drop and
The operating pressure of oxygen-eliminating device 70 determines), hydrophobic heat exchanger 62, low-pressure heater 63 (feed temperature is between 30 DEG C to 150 DEG C),
Return water is pumped to the second heat exchanger 11 being connected with nuclear reactor 20 by oxygen-eliminating device 70 and feed pump 80, feed pump 80, reheating it
Boiler is pumped to by another pump housing (range that pressure is increased to 18MPa to 23MPa) afterwards, completes being circulated throughout for the part working medium
Journey.
The cyclic process of another part cycle fluid are as follows: boiler generates the steam of 500 DEG C to 660 DEG C ranges, which steams
Vapour enters intermediate pressure cylinder 41 from another steam (vapor) outlet of boiler and low pressure (LP) cylinder 42 is done manual work, and driven generator 50 generates electricity.
The steam discharge being discharged from low pressure (LP) cylinder 42 successively passes through condenser 60, and (outlet feed pressure is about 0.005MPa, and temperature exists
30 DEG C or so), condensate pump 61 (provide condensed water to 70 power demand of oxygen-eliminating device, pressure by low-pressure heater 63 pressure drop and
The operating pressure of oxygen-eliminating device 70 determines), hydrophobic heat exchanger 62, low-pressure heater 63 (feed temperature is between 30 DEG C to 150 DEG C),
Return water is pumped to the First Heat Exchanger 10 being connected with nuclear reactor 20 by oxygen-eliminating device 70 and feed pump 80, feed pump 80, reheating it
Enter boiler with after mixing from the steam extraction that high pressure cylinder 43 is extracted out afterwards, completes the cyclic process of the part working medium.
In this application, the extra-supercritical unit (USC) of the reactor of 1000MW thermal power and 1000MW are calculated
Analysis, under the premise of meeting 1000MW output power, is calculated: small-sized heap heat accounting is 45%, and the coupling of circulation is imitated
Rate is 45.9%, and the efficiency of small-sized heap is 41%；Coal consumption is 170g/KWh, compared with former USC unit (coal consumption 280g/KWh)
Decline 40% or so.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include fisrt feature right above second feature and oblique upper, or be merely representative of
First feature horizontal height is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective
In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.
Claims (11)
1. the series-parallel coupled electricity-generation system of a kind of nuclear energy and conventional energy resource characterized by comprising
Turbo-generator Set, the Turbo-generator Set include steam turbine and generator, the steam turbine and the generator phase
Connect and drives the electrical power generators；
First Heat Exchanger and the second heat exchanger, the First Heat Exchanger and the second heat exchanger be arranged in parallel and respectively with the steamer
Generating set is connected；
Nuclear reactor, the nuclear reactor are connected with the First Heat Exchanger and the second heat exchanger respectively, and the nuclear reactor produces
Raw steam is by the First Heat Exchanger and the second heat exchanger to the return water heating from the Turbo-generator Set；With
Heating device, the heating device are connected with the First Heat Exchanger, the second heat exchanger and the Turbo-generator Set, use
It is sent out in by conventional energy resource the steamer will be supplied to after the heating of the steam of the First Heat Exchanger and the second heat exchanger
Motor group, a part of steam extraction of the Turbo-generator Set enter described together with the steam being discharged out of described First Heat Exchanger
Heating device.
2. the series-parallel coupled electricity-generation system of nuclear energy according to claim 1 and conventional energy resource, which is characterized in that the vapour
Turbine includes high pressure cylinder, intermediate pressure cylinder and low pressure (LP) cylinder, and the heating device has the first steam inlet, the second steam inlet, first
Steam (vapor) outlet and the second steam (vapor) outlet,
The air intake of the high pressure cylinder is connected with the first steam (vapor) outlet of the heating device, the extraction opening of the high pressure cylinder and institute
The first steam inlet for stating heating device is connected, the second steam (vapor) outlet phase of the air intake of medium pressure cylinder and the heating device
Even, the steam drain of medium pressure cylinder is connected with the air intake of the low pressure (LP) cylinder.
3. the series-parallel coupled electricity-generation system of nuclear energy according to claim 2 and conventional energy resource, which is characterized in that the vapour
Turbine generator group further includes being connected in turn between the steam drain of the low pressure (LP) cylinder and the First Heat Exchanger and the second heat exchanger
Condenser, condensate pump, hydrophobic heat exchanger, low-pressure heater, oxygen-eliminating device and feed pump, the First Heat Exchanger is connected to institute
State between feed pump and the first steam inlet of the heating device, second heat exchanger be connected to the feed pump with it is described
Between second steam inlet of heating device.
4. the series-parallel coupled electricity-generation system of nuclear energy according to claim 3 and conventional energy resource, which is characterized in that described low
Cylinder pressure also has extraction opening, and the extraction opening of the low pressure (LP) cylinder is connected to heat from the condenser and enter with the low-pressure heater
To the condensed water in the low-pressure heater.
5. the series-parallel coupled electricity-generation system of nuclear energy according to claim 4 and conventional energy resource, which is characterized in that described low
Pressing heater includes first to fourth grade of low-pressure heater being one another in series.
6. the series-parallel coupled electricity-generation system of nuclear energy according to claim 5 and conventional energy resource, which is characterized in that from described
After the steam extraction of first order low-pressure heater and the low pressure (LP) cylinder of second level low-pressure heater discharge is by the hydrophobic heat exchanger
Back in the condenser, the steam extraction for the low pressure (LP) cylinder being discharged from the third level low-pressure heater enters low from the third level
In the return water for pressing heater discharge, the steam extraction for the low pressure (LP) cylinder being discharged from the fourth stage low-pressure heater enters the third level
In low-pressure heater after the return water of the heating third level low-pressure heater be discharged from the third level low-pressure heater it is low
The steam extraction of cylinder pressure enters from the return water that the third level low-pressure heater is discharged together.
7. the series-parallel coupled electricity-generation system of nuclear energy according to claim 3 and conventional energy resource, which is characterized in that described to give
For water pump by feed pump driving turbine driving, the working medium of the feed pump driving turbine is the steam extraction from medium pressure cylinder.
8. the series-parallel coupled electricity-generation system of nuclear energy according to claim 3 and conventional energy resource, which is characterized in that described to add
Hot charging is set to coal-burning boiler, oil burning boiler or gas fired-boiler.
9. the series-parallel coupled electricity-generation system of nuclear energy according to claim 1 and conventional energy resource, which is characterized in that the core
Reactor is the small-sized heap that thermal power is no more than 1000MW.
10. the series-parallel coupled electricity-generation system of nuclear energy according to claim 1 and conventional energy resource, which is characterized in that described
The steam of the outlet of First Heat Exchanger or the second heat exchanger includes saturation dry saturated steam, saturation moist steam and superheated steam.
11. the series-parallel coupled electricity-generation system of nuclear energy according to claim 1 to 10 and conventional energy resource, special
Sign is that the temperature of the steam flowed out from the first steam (vapor) outlet of the heating device or the second steam (vapor) outlet is 500 DEG C -660
℃。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510758354.7A CN106677844B (en) | 2015-11-09 | 2015-11-09 | The series-parallel coupled electricity-generation system of nuclear energy and conventional energy resource |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510758354.7A CN106677844B (en) | 2015-11-09 | 2015-11-09 | The series-parallel coupled electricity-generation system of nuclear energy and conventional energy resource |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106677844A CN106677844A (en) | 2017-05-17 |
| CN106677844B true CN106677844B (en) | 2019-02-22 |
Family
ID=58863503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510758354.7A Active CN106677844B (en) | 2015-11-09 | 2015-11-09 | The series-parallel coupled electricity-generation system of nuclear energy and conventional energy resource |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106677844B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386325A (en) * | 2017-08-10 | 2019-02-26 | 中广核工程有限公司 | Nuclear power station heating power combined cycle system and method |
| CN108150233A (en) * | 2017-12-22 | 2018-06-12 | 西安交通大学 | A kind of steam turbine using the novel overcritical mixed working fluid of coalification gas |
| CN108843414B (en) * | 2018-05-16 | 2021-01-29 | 山东电力工程咨询院有限公司 | Working method for coupling and decoupling nuclear energy and conventional energy with reheating power generation system |
| CN110500567B (en) * | 2018-05-16 | 2021-07-20 | 山东电力工程咨询院有限公司 | Efficient nuclear energy utilization system and method |
| CN109026240B (en) * | 2018-08-29 | 2021-03-16 | 山东电力工程咨询院有限公司 | Power generation system and method based on nuclear energy and solar energy coupling |
| CN109184812B (en) * | 2018-08-29 | 2022-01-11 | 山东电力工程咨询院有限公司 | Nuclear energy coupling chemical energy power generation system and method based on two-loop boiler |
| CN111997699B (en) * | 2020-08-13 | 2022-10-28 | 山东电力工程咨询院有限公司 | Heating nuclear reactor and conventional energy coupling power generation and heating system and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102174904A (en) * | 2011-03-08 | 2011-09-07 | 上海宁松热能环境工程有限公司 | Method and system for generating power jointly by nuclear fuel and fossil fuel |
| CN202659432U (en) * | 2012-06-30 | 2013-01-09 | 华北电力大学（保定） | Coupling power generation system of glass cover vacuum type trough type solar thermal collector auxiliary coal-fired unit |
| CN203685325U (en) * | 2014-03-10 | 2014-07-02 | 姜英涵 | Combined power generating system with new energy integrated to thermal power generating unit |
| CN103953402A (en) * | 2014-04-11 | 2014-07-30 | 武汉凯迪工程技术研究总院有限公司 | Solar energy and biomass energy combined power generation optimizing integrated system |
| CN205154274U (en) * | 2015-11-09 | 2016-04-13 | 国核（北京）科学技术研究院有限公司 | Nuclear energy and conventional energy's connection in series -parallel coupling power generation system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002050404A1 (en) * | 2000-12-21 | 2002-06-27 | Masnoi, Sergei Alexandrovich | Steam turbine device |
| US20140090377A1 (en) * | 2012-10-01 | 2014-04-03 | Michael John DiMonte | Nuclear-Fossil Fueled Hybrid Power Generation System |
-
2015
- 2015-11-09 CN CN201510758354.7A patent/CN106677844B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102174904A (en) * | 2011-03-08 | 2011-09-07 | 上海宁松热能环境工程有限公司 | Method and system for generating power jointly by nuclear fuel and fossil fuel |
| CN202659432U (en) * | 2012-06-30 | 2013-01-09 | 华北电力大学（保定） | Coupling power generation system of glass cover vacuum type trough type solar thermal collector auxiliary coal-fired unit |
| CN203685325U (en) * | 2014-03-10 | 2014-07-02 | 姜英涵 | Combined power generating system with new energy integrated to thermal power generating unit |
| CN103953402A (en) * | 2014-04-11 | 2014-07-30 | 武汉凯迪工程技术研究总院有限公司 | Solar energy and biomass energy combined power generation optimizing integrated system |
| CN205154274U (en) * | 2015-11-09 | 2016-04-13 | 国核（北京）科学技术研究院有限公司 | Nuclear energy and conventional energy's connection in series -parallel coupling power generation system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106677844A (en) | 2017-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106677844B (en) | The series-parallel coupled electricity-generation system of nuclear energy and conventional energy resource | |
| CN205154276U (en) | Thermal coupling power generation system is directly crossed with conventional energy to nuclear energy | |
| CN103574587B (en) | Waste heat utilizing system of thermal power plant and thermal power unit | |
| CN203809071U (en) | Temperature regulation and atomizing air integrated system | |
| CN109869204A (en) | A kind of heat supply for Combined cycle gas-steam turbine unit and power peak regulation coupled system and its operation method | |
| CN101705849B (en) | Self-coupling cold source heat pump circulating device of low-temperature exhaust heat power generating system in low temperature exhaust steam condensation process | |
| CN206291194U (en) | A kind of gas generating system based on steel mill's saturated vapor Optimum utilization | |
| CN109469524A (en) | An optimized and upgraded waste heat utilization Karina cycle power generation system | |
| JPH10501600A (en) | Thermal power plant integrating solar energy | |
| CN105863759A (en) | Dead steam cooling and recycling system for steam-driven water feed pump in high-back-pressure modification system of wet-cold thermal power unit | |
| CN202647717U (en) | Thermal power plant waste heat utilization system and thermal power generating unit | |
| CN105157010A (en) | Coal-fired power generation system based on bypass flue at tail part of boiler | |
| CN109826681A (en) | A kind of the industrial heating system and its operation method integrated for Combined cycle gas-steam turbine unit steam extraction | |
| CN205154273U (en) | Nuclear energy and parallelly connected power generation system of conventional energy's no reheat | |
| CN101638998B (en) | Front-end double pressure heat absorbing and heat returning circulating thermal system for thermal generator set | |
| US2294700A (en) | Elastic fluid power plant | |
| CN112856363A (en) | System and method for improving heat supply steam parameters of deep peak shaving heat supply unit | |
| CN109099414A (en) | The double reheat system of integral external steam condenser and regenerative steam turbine | |
| CN104948244A (en) | Supercritical thermal power generation system constructed through subcritical thermal power generation system | |
| CN106677845B (en) | Nuclear energy and conventional energy resource without reheating parallel power generating system | |
| CN205154274U (en) | Nuclear energy and conventional energy's connection in series -parallel coupling power generation system | |
| CN108870348A (en) | A kind of device of the nuclear energy producing steam for oil recovery by heating | |
| CN103573311B (en) | Thermal power plant's driving steam turbine exhaust steam energy utilizes system and fired power generating unit | |
| CN106194431B (en) | Gas turbine presurized water reactor steam turbine combined cycle system without separator | |
| KR101967024B1 (en) | Supercritical CO2 power generation system of direct fired type |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 102209 Beijing Changping Future Science and Technology City Applicant after: State Power Investment Group Science and Technology Research Institute Co Ltd Applicant after: China Nuclear Power Planning & Design Institute Co., Ltd. Address before: 102209 Beijing Changping District future science and technology Southern District Nuclear Research Institute Applicant before: China Nuclear (Beijing) science and Technology Research Institute Co., Ltd. Applicant before: State Nuclear Electric Power Planning Design & Research Institute |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |