CN108729967A - Nuclear power generating system and its control method - Google Patents
Nuclear power generating system and its control method Download PDFInfo
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- CN108729967A CN108729967A CN201710284510.XA CN201710284510A CN108729967A CN 108729967 A CN108729967 A CN 108729967A CN 201710284510 A CN201710284510 A CN 201710284510A CN 108729967 A CN108729967 A CN 108729967A
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000000498 cooling water Substances 0.000 claims abstract description 98
- 239000002918 waste heat Substances 0.000 claims abstract description 39
- 229920006395 saturated elastomer Polymers 0.000 claims description 23
- 238000010438 heat treatment Methods 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 17
- 239000012530 fluid Substances 0.000 claims description 9
- MSSNHSVIGIHOJA-UHFFFAOYSA-N pentafluoropropane Chemical compound FC(F)CC(F)(F)F MSSNHSVIGIHOJA-UHFFFAOYSA-N 0.000 claims description 7
- 238000010248 power generation Methods 0.000 claims description 6
- 238000001704 evaporation Methods 0.000 claims description 5
- 230000008020 evaporation Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 20
- 239000011555 saturated liquid Substances 0.000 description 13
- 230000005611 electricity Effects 0.000 description 11
- 238000001816 cooling Methods 0.000 description 10
- 238000011084 recovery Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 239000002826 coolant Substances 0.000 description 3
- 238000010795 Steam Flooding Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 235000019628 coolness Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 210000003296 saliva Anatomy 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
- F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
- F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
- F01K23/10—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K19/00—Regenerating or otherwise treating steam exhausted from steam engine plant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
- F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
- F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
- F01K23/10—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
- F01K23/101—Regulating means specially adapted therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0066—Control, e.g. regulation, of pumps, pumping installations or systems by changing the speed, e.g. of the driving engine
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D1/00—Details of nuclear power plant
- G21D1/02—Arrangements of auxiliary equipment
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D3/00—Control of nuclear power plant
- G21D3/08—Regulation of any parameters in the plant
- G21D3/18—Regulation of any parameters in the plant by adjustment of plant external to the reactor only in response to change in reactivity
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- High Energy & Nuclear Physics (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses a kind of nuclear power generating system and its control methods, wherein system includes the first circuit system；Second servo loop system；Residual neat recovering system, to recycle the waste heat energy of the outlet vapor of steam turbine in nuclear power system；Cooling water system；Control system drives relevant device according to multiple integrated signals of integrated signal device acquisition, converts waste heat energy to electric energy and power to nuclear power system.The system can recycle the waste heat energy of steam turbine outlet water vapour in nuclear power system, be converted into electric energy output, and the electric energy of output is used for used in nuclear power station electric equipment, realize the comprehensive utilization of nuclear energy in nuclear power system, nuclear energy uses efficiency is improved, it is energy saving, reduce cost.
Description
Technical field
The present invention relates to clean energy resource technical field of comprehensive utilization, more particularly to a kind of nuclear power generating system and its controlling party
Method.
Background technology
Currently, the electric energy utilized mostlys come from thermal power generation, nuclear energy power generation.Wherein, nuclear energy power generation is to utilize nuclear reaction
The energy heats primary Ioops coolant that nuclear fission is discharged in heap, and coolant transfers heat to two times in steam generation
The water on road or three circuits to generate the steam of high temperature and pressure, then by high energy steam driving steam turbine is converted into mechanical energy, by machine
Tool can drive generating set to generate electricity, the design for nuclear power generating system, be primarily upon nuclear power system major accident prevention and
Alleviate, the utilization ratio of nuclear energy is relatively low, can not realize the comprehensive utilization of nuclear energy well, it would be highly desirable to solve.
Invention content
The present invention is directed to solve at least some of the technical problems in related technologies.
For this purpose, an object of the present invention is to provide a kind of nuclear power generating system, which can improve nuclear energy uses
Efficiency, it is energy saving, reduce cost.
It is another object of the present invention to propose a kind of control method of nuclear power generating system.
In order to achieve the above objectives, one aspect of the present invention embodiment proposes a kind of nuclear power generating system, including：First circuit
System, first circuit system include end to end pressure vessel, voltage-stablizer, steam generator and main pump successively；Second
Circuit system, the second servo loop system include the end to end steam generator, steam turbine, evaporator, first successively
Condenser and main feed pump, wherein the first generating set is coaxially connected with the steam turbine；Residual neat recovering system, the waste heat
Recovery system is made of Organic Rankine Cycle and electric heater comprising the end to end evaporator, the electricity add successively
Hot device, expanding machine, the second condenser, fluid reservoir and working medium pump, wherein the second generating set is coaxially connected with the expanding machine,
To recycle the waste heat energy of the outlet vapor of steam turbine described in nuclear power system；Cooling water system, the cooling water system include the
One cooling water pump and the second cooling water pump, first cooling water pump is set to the cold side inlet of the first condenser, for providing
Cooling water, second cooling water pump is set to the cold side inlet of the second condenser, for providing cooling water；Control system, institute
State control system include acquisition control system and the first to the 7th integrated signal device being connected with the acquisition control system, it is described
Main pump, the voltage-stablizer, the electric heater, the main feed pump, the working medium pump, first cooling water pump and described
Two cooling water pumps, wherein the first integrated signal device is set to the export pipeline of the steam turbine, and the second integrated signal device is set to
The hot junction export pipeline of the evaporator, third integrated signal device are set to the hot junction export pipeline of first condenser, the
Four integrated signal devices are set to the export pipeline of the electric heater, and the 5th integrated signal device is set to the outlet of the expanding machine
Pipeline, the 6th signal integrator are set to the hot junction export pipeline of second condenser, and the 7th signal integrator is set to institute
The cold side outlet pipeline of evaporator is stated, the acquisition control system is used to drive according to multiple integrated signals that integrated signal device acquires
Dynamic relevant device converts the waste heat energy to electric energy and powers to the nuclear power system.
The nuclear power generating system of the embodiment of the present invention recycles steam turbine in nuclear power system using organic rankine cycle system and goes out
The waste heat energy of saliva steam is converted into electric energy output, and the electric energy of output is used for used in nuclear power station electric equipment, and organic working medium is inhaled
The waste heat energy for receiving steam turbine outlet water vapour in nuclear power system becomes high pressure high temperature vapor, and steam drives expanding machine rotation, in turn
It drives and exports electric energy with the coaxial generator of expanding machine, the organic working medium after expansion enters condenser and is cooled to low temperature saturated solution
Body, liquid organic working medium are again introduced into the waste heat energy that evaporator absorbs steam turbine outlet water vapour, realize nuclear energy in nuclear power system
Comprehensive utilization, improve nuclear energy uses efficiency, it is energy saving, reduce cost.
In addition, nuclear power generating system according to the above embodiment of the present invention can also have following additional technical characteristic：
Further, in one embodiment of the invention, the second servo loop system further includes：Check-valves, it is described to stop
Valve is returned respectively to be connected with the evaporator and first condenser；First valve, first valve respectively with the steamer
Machine is connected with the check-valves, for bypassing the evaporator；Second valve, second valve respectively with the steam turbine and
The evaporator is connected.
Further, in one embodiment of the invention, the residual neat recovering system further includes：Third valve, it is described
Third valve is connected with the electric heater and the expanding machine respectively；4th valve, the 4th valve respectively with the electricity
Heater is connected with second condenser, for bypassing the expanding machine.
Further, in one embodiment of the invention, the acquisition control system includes：Acquisition module, it is described to adopt
Collection module is connected with the described first to the 7th integrated signal device and second generating set respectively, the multiple integrated to acquire
Signal；Control module, the control module are connected with the acquisition module and the relevant device respectively, wherein the correlation
Equipment include the driving motor of the main pump, the voltage-stablizer, the electric heater, first valve, second valve,
The third valve, the 4th valve, the driving motor of the main feed pump, the driving motor of the working medium pump, described
The driving motor of one cooling water pump one or more of is connected with the driving motor of second cooling water pump.
Optionally, in one embodiment of the invention, the working media of the residual neat recovering system may be used organic
Working medium R245fa.
Optionally, in one embodiment of the invention, integrated signal includes temperature signal, pressure signal and flow signal
One or more of.
In order to achieve the above objectives, another aspect of the present invention embodiment proposes a kind of control method of nuclear power generating system,
Using above-mentioned system, wherein method includes：The integrated signal for acquiring the first integrated signal device, to obtain required organic working medium
Quality and flow, and determine working medium pump rotating speed；Judge vapour pressure according to the integrated signal of the first integrated signal device
Whether power, temperature, flow are invariable, wherein if the steam pressure, temperature, flow are invariable, open the second valve
Door closes the first valve；The integrated signal for acquiring third integrated signal device, when measuring temperature is more than preset temperature, to increase
Otherwise the rotating speed of first cooling water pump reduces the rotating speed of first cooling water pump；Acquire the integrated letter of the 4th integrated signal device
Number, to judge whether the organic working medium is saturated vapor, wherein if it is superheated vapor, reduce the heating of electric heater
Power or the rotating speed for increasing the working medium pump；If it is gas-liquid two-phase, increase heating power or the reduction of the electric heater
The rotating speed of the working medium pump；Judge whether the organic working medium is first pre- according to the integrated signal of the 4th integrated signal device
If the saturated vapor between section, wherein if it is the saturated vapor, open third valve, close the 4th valve；If
It is not the saturated vapor, then opens the 4th valve, closes the third valve；Acquire the 6th integrated signal device it is several at
Signal is reduced with judging whether the organic working medium is saturated liquid between the second pre-set interval if it is subcooled liquid
The rotating speed of second cooling water pump；If it is gas-liquid two-phase, increase the rotating speed of second cooling water pump.
The control method of the nuclear power generating system of the embodiment of the present invention recycles nuclear power system using organic rankine cycle system
The waste heat energy of middle steam turbine outlet water vapour is converted into electric energy output, and the electric energy of output is used for used in nuclear power station electric equipment,
Organic working medium absorbs the waste heat energy of steam turbine outlet water vapour in nuclear power system, becomes high pressure high temperature vapor, steam driving expansion
Machine rotates, and then drives and export electric energy with the coaxial generator of expanding machine, and it is cooled that the organic working medium after expansion enters condenser
For low temperature saturated liquid, liquid organic working medium is again introduced into the waste heat energy that evaporator absorbs steam turbine outlet water vapour, realizes core
The comprehensive utilization of nuclear energy in electric system improves nuclear energy uses efficiency, energy saving, reduces cost.
In addition, the control method of nuclear power generating system according to the above embodiment of the present invention can also have it is following additional
Technical characteristic：
Optionally, in one embodiment of the invention, the preset temperature is the inlet temperature of steam generator setting.
Optionally, in one embodiment of the invention, first pre-set interval can be 3.0MPa-3.1MPa.
Optionally, in one embodiment of the invention, second pre-set interval can be 0.25MPa-0.26MPa.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, wherein：
Fig. 1 is the structural schematic diagram according to the nuclear power generating system of one embodiment of the invention；
Fig. 2 is the structural schematic diagram according to the acquisition control system of one embodiment of the invention；
Fig. 3 is the flow chart according to the outer power supply residual neat recovering system startup program of one embodiment of the invention；
Fig. 4 is the flow chart according to the Booting sequence of the nuclear power generating system of another embodiment of the present invention；
Fig. 5 is the flow chart according to the shutdown flow of the nuclear power generating system of further embodiment of the present invention；
Fig. 6 is the control method of the nuclear power generating system of one embodiment of the invention ground flow chart.
Reference numeral：
1- pressure vessels, 2- voltage-stablizers, 3- steam generators, 4- main pumps, 5- steam turbines, the first generating sets of 6-, 7- steam
It is cold to send out device, the first condensers of 8-, 9- main feed pumps, 10- electric heaters, 11- expanding machines, the second generating sets of 12-, 13- second
Condenser, 14- fluid reservoirs, 15- working medium pumps, the second cooling water pumps of 16-, the first cooling water pumps of 17-, 18- acquisition control systems, 19-
First integrated signal device, the second integrated signals of 20- device, 21- third integrated signals device, the 4th integrated signal devices of 22-, 23- the 5th
The 6th integrated signal device of integrated signal device, 24-, the 7th integrated signal devices of 25-, the first valves of 26-, the second valves of 27-, 28-
Three valves, the 4th valves of 29- and 30- check-valves.
Specific implementation mode
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 for explaining the present invention, and is not considered as limiting the invention.
The nuclear power generating system proposed according to embodiments of the present invention and its control method are described with reference to the accompanying drawings, first will
Describe the nuclear power generating system proposed according to embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 is the structural schematic diagram of the nuclear power generating system of one embodiment of the invention.
As shown in Figure 1, the nuclear power generating system includes：First circuit system, second servo loop system, residual neat recovering system,
Cooling water system and control system.
Wherein, the first circuit system includes end to end pressure vessel (1), voltage-stablizer (2), steam generator successively
(3) and main pump (4).Second servo loop system include successively end to end steam generator (3), steam turbine (5), evaporator (7),
First condenser (8) and main feed pump (9), wherein the first generating set (6) with steam turbine (5) is coaxial is connected.Waste heat recovery system
System is made of Organic Rankine Cycle and electric heater (10) comprising end to end evaporator (7), electric heater successively
(10), expanding machine (11), the second condenser (13), fluid reservoir (14) and working medium pump (15), wherein the second generating set (12) with
Expanding machine (11) is coaxially connected, to recycle the waste heat energy of the outlet vapor of steam turbine in nuclear power system (5).Cooling water system includes
First cooling water pump (17) and the second cooling water pump (16), the first cooling water pump (17) are set to the cold end of the first condenser (8)
Import, for the first cooling water pump (17) for providing cooling water, the second cooling water pump (16) is set to the cold of the second condenser (13)
Import is held, the second cooling water pump (16) is for providing cooling water.Control system includes acquisition control system 18 and and acquisition control
The first to the 7th connected integrated signal device of system 18, main pump (4), voltage-stablizer (2), electric heater (10), main feed pump (9),
Working medium pump (15), the first cooling water pump (17) and the second cooling water pump (16), wherein the first integrated signal device (19) is set to vapour
The export pipeline of turbine (5), the second integrated signal device (20) are set to the hot junction export pipeline of evaporator (7), the integrated letter of third
Number device (21) is set to the hot junction export pipeline of the first condenser (8), and the 4th integrated signal device (21) is set to electric heater
(10) export pipeline, the 5th integrated signal device (23) are set to the export pipeline of expanding machine (11), the 6th signal integrator
(24) it is set to the hot junction export pipeline of the second condenser (13), the 7th signal integrator (25) is set to the cold of evaporator (7)
Export pipeline, acquisition control system 18 is held to be used to drive relevant device according to multiple integrated signals that integrated signal device acquires, with
It converts waste heat energy to electric energy and powers to nuclear power system.The nuclear power generating system of the embodiment of the present invention utilizes Organic Rankine Cycle
The waste heat energy for recycling steam turbine (5) outlet vapor in nuclear power system, is converted into electric energy, so that nuclear power system uses, realizes
The comprehensive utilization of nuclear energy improves the utilization ratio of nuclear energy
Further, in one embodiment of the invention, as shown in Figure 1, second servo loop system further includes：Check-valves
(30), the first valve (26), the second valve (27).
Wherein, check-valves (30) is connected with evaporator (7) and the first condenser (8) respectively.First valve (26) respectively with
Steam turbine (5) is connected with check-valves (30), and the first valve (26) is for bypassing evaporator (7).Second valve (27) respectively with vapour
Turbine is connected with evaporator.
It is understood that primary Ioops system is by pressure vessel (1), steam generator (3), main pump (4), pressure vessel
(1) it joins end to end, and voltage-stablizer (2) while being connected with pressure vessel (1) and steam generator (3) successively.Secondary coolant circuit system by
Steam generator (3), steam turbine (5), evaporator (7), check-valves (30), the first condenser (8) composition, main feed pump (9) steam
Vapour generator (3) joins end to end successively, the first generating set (6) with steam turbine (5) is coaxial is connected, the second valve (27) is located at vapour
Between turbine (5) and evaporator (7), the first valve (26) is located between steam turbine (5) and check-valves (30), for bypassing evaporation
Device (7).
Further, in one embodiment of the invention, as shown in Figure 1, residual neat recovering system further includes：Third valve
(28) and the 4th valve (29).
Wherein, third valve (28) is connected with electric heater (10) and expanding machine (11) respectively.4th valve (29) is respectively
It is connected with electric heater (10) and the second condenser (13), the 4th valve (29) is for bypassing expanding machine (11).
It is understood that residual neat recovering system is by evaporator (7), electric heater (10), expanding machine (11), the second condensation
Device (13), fluid reservoir (14), working medium pump (15), evaporator (7) join end to end successively, the second generating set (12) and expanding machine
(11) coaxial to be connected, third valve (28) is located between electric heater (10) and expanding machine (11), and the 4th valve (29) is located at electricity
Between heater (10) and the second condenser (13), for bypassing expanding machine (11).
In addition, it is necessary to which explanation, the first cooling water pump (17) are located at condenser 1 (8) cold side inlet, cooling are provided for it
Water, and the second cooling water pump (16) is located at condenser 2 (13) cold side inlet, and cooling water is provided for it.
Further, in one embodiment of the invention, as shown in Figure 1, acquisition control system (18) includes：Acquire mould
Block and control module.
Wherein, acquisition module is connected with the first to the 7th integrated signal device and the second generating set (12) respectively, with acquisition
Multiple integrated signals.Control module is connected with acquisition module and relevant device respectively, wherein relevant device includes main pump (4)
Driving motor, voltage-stablizer (2), electric heater (10), the first valve (26), the second valve (27), third valve (28), the 4th valve
The driving motor of door (29), the driving motor of main feed pump (9), the driving motor of working medium pump (15), the first cooling water pump (17)
One or more of be connected with the driving motor of the second cooling water pump (16).
It is understood that control system is by acquisition control system (18), the first integrated signal device (19), the second integrated letter
Number device (20), third integrated signal device (21), the 4th integrated signal device (22), the 5th integrated signal device (23), the 6th integrated letter
Number device (24), the 7th integrated signal device (25), main pump (4), voltage-stablizer (2), electric heater (10), the first valve (26), second
Valve (27), third valve (28), the 4th valve (29), main feed pump (9), working medium pump (15), the second cooling water pump (16),
One cooling water pump (17) forms.Wherein, the first integrated signal device (19) is located at steam turbine (5) export pipeline, the second integrated signal
Device (20) is located at evaporator (7) hot junction export pipeline, and third integrated signal device (21) is located at the first condenser (8) hot junction outlet
Road, the 4th integrated signal device (22) are located at electric heater (10) export pipeline, and the 5th integrated signal device (23) is located at expanding machine
(11) export pipeline, the 6th integrated signal device (24) are located at the second condenser (13) hot junction export pipeline, the 7th integrated signal device
(25) it is located at evaporator (7) cold side outlet pipeline.
Further, the acquisition module of acquisition control system (18) by harness respectively with the first integrated signal device (19),
Second integrated signal device (20), third integrated signal device (21), the 4th integrated signal device (22), the 5th integrated signal device (23),
6th integrated signal device (24), the 7th integrated signal device (25), the second generating set (12) are connected.Acquisition control system (18)
Control module by harness respectively with main pump (4) driving motor, voltage-stablizer (2) electric heater (10), the first valve (26), second
Valve (27), third valve (28), the 4th valve (29), main feed pump (9) driving motor, working medium pump (15) driving motor,
Two cooling water pumps (16) driving motor, the first cooling water pump (17) driving motor are connected.
Optionally, in one embodiment of the invention, organic working medium may be used in the working media of residual neat recovering system
R245fa。
That is, in an embodiment of the present invention, the embodiment of the present invention recycles nuclear power system using residual neat recovering system
The waste heat energy of middle steam turbine (5) outlet vapor, wherein residual neat recovering system may be used organic working medium be R245fa as system
Working media, to using residual neat recovering system output electrical energy drive nuclear power generating system electrical equipment, improve nuclear power
The utilization ratio of nuclear energy in system.
Specifically, organic working medium absorbs the waste heat of steam turbine (5) outlet vapor in nuclear power system by evaporator (7)
Can, become high temperature and pressure saturated vapor after organic working medium heat absorption and enter expanding machine (11), saturated vapor is swollen in expanding machine (11)
Swollen and then promotion expanding machine (11) rotates, and the organic working medium after expansion enters condenser and is cooled to low pressure saturated liquid, passes through
Organic working medium is transported in evaporator (7) by working medium pump (15) again absorbs steam turbine (5) leaving energy.In addition, a generating set
With expanding machine (11) is coaxial is connected, expanding machine (11) drives generating set rotary electrification.
Optionally, in one embodiment of the invention, integrated signal includes temperature signal, pressure signal and flow signal
One or more of.It should be noted that integrated signal device can simultaneously collecting temperature signal, pressure signal, flow signal,
It is not specifically limited herein.
It should be noted that in an embodiment of the present invention, the system of the embodiment of the present invention is returned using residual neat recovering system
Steam turbine outlet vapor waste heat energy in nuclear power system is received, electric energy is converted into, the electrical equipment for driving nuclear power system is real
The comprehensive utilization of existing nuclear energy, and residual neat recovering system is made of Organic Rankine Cycle and electric heater, realizes nuclear energy power generation system
The smooth starting and shutdown of system and residual neat recovering system use organic working medium R245fa as working medium medium, realize nuclear power system
Effective recycling of steam turbine outlet low energy afterheat steam, improves the utilization ratio of nuclear energy in nuclear power system in system.
The operation principle of the system of the embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
Solid line indicates that nuclear power system primary Ioops cooling water flows in Fig. 1, and dotted line indicates that nuclear power system secondary circuit is cold in Fig. 1
But flow is to short dash line indicates that organic working medium flows in Fig. 1, two-dot chain line expression cooling water flow direction in Fig. 1.Primary Ioops cooling water
Flow direction, after nuclear power station starts, the primary Ioops cooling water that is stored in pressure vessel (1) flows into steam generator (4) after being heated,
Secondary circuit cooling water is transferred heat to, the primary Ioops cooling water after being cooled in steam generator (3) passes through after being condensed
Main pump (4) is transported in pressure vessel (1), and voltage-stablizer (2) is located between pressure vessel (1) and steam generator (3), main to use
In the pressure for stablizing primary Ioops system.Secondary circuit cooling water flows to, the secondary circuit cooling water quilt of secondary side in steam generator (3)
Becoming high temperature and high pressure steam after the heating of primary Ioops cooling water, steam enters steam turbine (5), and pushing turbine (5) rotation is done work, and two
Circuit cooling water enters evaporator (7) after steam turbine (5) outflow, and the waste heat energy of secondary circuit cooling water is passed to waste heat recovery
The organic working medium of system, the secondary circuit cooling water flowed out from evaporator (7) enter condenser and are cooled, and secondary circuit after cooling is cold
But water is transported to steam generator secondary side by main feed pump (9), absorbs the heat of primary Ioops cooling water again.Organic work
Mass flow is to organic working medium is stored in fluid reservoir (14), is output in evaporator (7), has after being pressurized by working medium pump (15)
Machine working medium absorbs the waste heat energy of secondary circuit cooling water in evaporator (7), and the organic working medium after heat absorption becomes saturated vapor, is saturated
Steam enters expanding machine (11), and expanding machine (11) is pushed to rotate acting, and the organic working medium after expansion enters condenser and is cooled to
Saturated liquid, the organic working medium after being cooled flow back to fluid reservoir (14), complete a heat to power output cycle.Cooling water flows to, cold
But water pump fetches water from the external world and is sent into condenser, for cooling down secondary circuit cooling water and organic working medium.
Further, long dotted line indicates harness in Fig. 1, and Fig. 2 is acquisition control system structure diagram.First integrated signal device
(19) it is connected with the acquisition module of acquisition control system (18), is mainly used for measuring steam turbine (5) outlet secondary circuit cooling water
Temperature, pressure, flow.Second integrated signal device (20) is connected with the acquisition module of acquisition control system (18), is mainly used for surveying
Measure the temperature, pressure, flow of evaporator (7) hot junction outlet secondary circuit cooling water.Third integrated signal device (21) and acquisition control
The acquisition module of system (18) is connected, and is mainly used for measuring temperature, the pressure of the first condenser (8) hot junction outlet secondary circuit cooling water
Power, flow.4th integrated signal device (22) is connected with the acquisition module of acquisition control system (18), is mainly used for measuring electrical heating
Device (10) exports the temperature, pressure, flow of organic working medium.The acquisition of 5th integrated signal device (23) and acquisition control system (18)
Module is connected, and is mainly used for measuring temperature, pressure, flow that expanding machine (11) exports organic working medium.6th integrated signal device
(24) it is connected with the acquisition module of acquisition control system (18), is mainly used for measuring the organic work in the second condenser (13) hot junction outlet
The temperature of matter, pressure, flow.7th integrated signal device (25) is connected with the acquisition module of acquisition control system (18), main to use
In the temperature, pressure, flow that measure evaporator (7) cold side outlet organic working medium.Second generating set (12) and acquisition control system
The acquisition module of system (18) is connected, the electric energy that the second generating set of monitoring (12) exports.Heater in voltage-stablizer (2) and acquisition
The control module of control system (18) is connected, the heating power of heater in control voltage-stablizer (2).Main pump (4) motor and acquisition
The control module of control system (18) is connected, and controls main pump (4) rotating speed.Main feed pump (9) motor and acquisition control system (18)
Control module be connected, control main feed pump (9) rotating speed.The control module phase of electric heater (10) and acquisition control system (18)
Even, the heating power of control electric heater (10).Working medium pump (15) motor is connected with the control module of acquisition control system (18),
Controlled medium pumps (15) rotating speed.The motor of first cooling water pump (17) and the second cooling water pump (16) respectively with acquisition control system
(18) control module is connected, the rotating speed of the first cooling water pump of control (17) and the second cooling water pump (16).First valve (26),
Second valve (27), third valve (28), the 4th valve (29) are connected with the control module of acquisition control system (18) respectively, use
In the aperture of control valve.
Fig. 3 is outer power supply residual neat recovering system startup program flow chart.Using extraneous power supply to the use of residual neat recovering system
Electric equipment is powered, and is heated to organic working medium using electric heater (10), is normally started residual neat recovering system.Monitor expanding machine (11)
The state of entrance organic working medium such as when organic working medium when saturated vapor between 3.0-3.1MPa, opens third valve (28),
The 4th valve (29) is closed, so that organic working medium is entered expanding machine (11) and expanding machine (11) is pushed to rotate acting, otherwise, adjust heating
Heating power, working medium pump (15) rotating speed and the 4th valve (29) aperture of device.It is organic to monitor the outlet of the second condenser (13) hot junction
The state of working medium such as when organic working medium when saturated liquid between 0.25-0.26MPa, maintains residual neat recovering system to stablize fortune
Otherwise row adjusts the rotating speed of the second cooling water pump (16).
Fig. 4 is nuclear power generating system startup program flow chart.After residual neat recovering system stablizes output electric energy, first is opened
Valve (26) closes the second valve (27), using the electric energy that the second generating set (12) exports in residual neat recovering system to nuclear energy
Electricity generation system power supply for electrical equipment, normally starts nuclear power system.The pressure, temperature and flow of steam turbine (5) outlet vapor are monitored,
After nuclear power system is stable and steam turbine (5) outlet vapor stablizes, the second valve (27) is opened, closes the first valve
(26), while electric heater (10) power supply is cut off, is given instead of electric heater (10) using the waste heat energy of steam turbine (5) outlet vapor
Organic working medium heats (steam turbine outlet vapor waste heat energy>Electric heater heating efficiency).Adjust working medium pump (15) rotating speed, third valve
Door (28) aperture, the second cooling water pump (16) rotating speed, it is ensured that the organic working medium of expanding machine (11) entrance is between 3.0-3.1MPa
Saturated liquid between 0.25-0.26MPa of saturated vapor and the second condenser (13) hot junction outlet organic working medium.Adjust the
One cooling water pump (17) rotating speed, it is ensured that secondary circuit recirculated water obtains enough coolings.Utilize the second generating set (12) output
Electric energy replaces extraneous power supply, gives residual neat recovering system power supply for electrical equipment.
Fig. 5 is nuclear power generating system shutdown procedure flow chart.The second generating set (12) is replaced to remaining using extraneous power supply
Heat recovery system power supply for electrical equipment.The first valve (26) is opened, the second valve (27) is closed, using extraneous power supply to electrical heating
Device (10) is powered.Adjust working medium pump (15) rotating speed, the second cooling water pump (16) rotating speed and third valve (28) aperture, it is ensured that waste heat
Recovery system stablizes output electric energy.Normal switching-off nuclear power generating system waits for that nuclear power generating system is completely cooling, cuts off electric heater
(10) valve 4 is opened in power supply, closes valve 3, when residual neat recovering system is completely cooling, closes system.
The nuclear power generating system proposed according to embodiments of the present invention is recycled using organic rankine cycle system in nuclear power system
Steam turbine exports the waste heat energy of water vapour, is converted into electric energy output, and the electric energy of output uses for used in nuclear power station electric equipment, has
Machine working medium absorbs the waste heat energy of steam turbine outlet water vapour in nuclear power system, becomes high pressure high temperature vapor, and steam drives expanding machine
Rotation, and then drive and export electric energy with the coaxial generator of expanding machine, the organic working medium after expansion enters condenser and is cooled to
Low temperature saturated liquid, liquid organic working medium are again introduced into the waste heat energy that evaporator absorbs steam turbine outlet water vapour, realize nuclear power
The comprehensive utilization of nuclear energy in system improves nuclear energy uses efficiency, energy saving, reduces cost, wherein Organic Rankine Cycle uses
The evaporating pressure of working medias of the R245fa as residual neat recovering system, residual neat recovering system is 3.0MPa, and condensing pressure is
0.25MPa, to which by the waste heat energy for recycling steam turbine outlet vapor in nuclear power system, be converted into electric energy makes for nuclear power station
With further increasing the utilization ratio of nuclear energy in nuclear power system.
Referring next to the control method for the nuclear power generating system that attached drawing description proposes according to embodiments of the present invention.
Fig. 6 is the control method of the nuclear power generating system of one embodiment of the invention ground flow chart.
As shown in fig. 6, the control method of the nuclear power generating system includes the following steps：
Step S601 acquires the integrated signal of the first integrated signal device, with the quality and flow of organic working medium needed for acquisition,
And determine the rotating speed of working medium pump.
Step S602 judges whether steam pressure, temperature, flow are constant not according to the integrated signal of the first integrated signal device
Become, wherein if steam pressure, temperature, flow are invariable, open the second valve, close the first valve.
Step S603 acquires the integrated signal of third integrated signal device, when measuring temperature is more than preset temperature, to increase
Otherwise the rotating speed of first cooling water pump reduces the rotating speed of the first cooling water pump.
Step S604 acquires the integrated signal of the 4th integrated signal device, to judge whether organic working medium is saturated vapor,
In, if it is superheated vapor, reduces the heating power of electric heater or increase the rotating speed of working medium pump；If it is gas-liquid two-phase,
Then increase the heating power of electric heater or reduces the rotating speed of working medium pump.
Step S605, according to the integrated signal of the 4th integrated signal device judge organic working medium whether be the first pre-set interval it
Between saturated vapor, wherein if it is saturated vapor, open third valve, close the 4th valve；It is steamed if not saturation
Gas then opens the 4th valve, closes third valve.
Step S606 acquires the several at signal of the 6th integrated signal device, to judge whether organic working medium is the second preset areas
Between between saturated liquid reduce the rotating speed of the second cooling water pump if it is subcooled liquid；If it is gas-liquid two-phase, increase
Add the rotating speed of the second cooling water pump.
Optionally, in one embodiment of the invention, preset temperature is the inlet temperature of steam generator setting.
Optionally, in one embodiment of the invention, the first pre-set interval can be 3.0MPa-3.1MPa.
Optionally, in one embodiment of the invention, the second pre-set interval can be 0.25MPa-0.26MPa.
It should be noted that convenience of the setting of step S601 to step S606 only for description, rather than limitation side
Method executes sequence.
In one particular embodiment of the present invention, the control method of the embodiment of the present invention includes the following steps：
Step S1, acquisition control system acquire the signal of the first integrated signal device, are calculated by analysis required organic
The mass flow of working medium primarily determines the rotating speed of working medium pump.
Step S2, acquisition control system acquires the signal of the first integrated signal device, when the steam pressure of measurement, temperature, stream
Measure invariable, the second valve of opening, the first valve of closing.
Step S3, acquisition control system acquire the signal of third integrated signal device, work as measuring temperature>Nuclear power generating system steams
The inlet temperature of vapour generator setting, increases the rotating speed of the first cooling water pump, works as measuring temperature<Nuclear power generating system steam generation
The inlet temperature of device setting, reduces the rotating speed of the first cooling water pump.
Step S4, acquisition control system acquire the signal of the 4th integrated signal device, by analyzing the pressure and temperature measured
Signal judges whether organic working medium is saturated vapor, if superheated vapor, reduces electric heater heating power or increases working medium pump
Rotating speed increases electric heater heating power or reduces working medium revolution speed if gas-liquid two-phase.
Step S5, acquisition control system acquire the signal of the 4th integrated signal device, by analyzing the pressure and temperature measured
Signal judges the saturated vapor between whether organic working medium is 3.0MPa-3.1MPa, if saturated vapor, opens third valve,
The 4th valve is closed, if not saturated vapor, opens the 4th valve, closes third valve.
Step S6, acquisition control system acquire the signal of the 6th integrated signal device, by analyzing the pressure and temperature measured
Signal judges the saturated liquid between whether organic working medium is 0.25MPa-0.26MPa, and if subcooled liquid, it is cold to reduce by second
But the rotating speed of water pump increases the rotating speed of the second cooling water pump if gas-liquid two-phase.
For example, the course of work of the embodiment of the present invention is as follows：
System starts：Residual neat recovering system startup, the nuclear power generating system for including successively extraneous power supply start and realize core
It can comprehensive utilization.
Start the outer residual neat recovering system powered to beat using extraneous power supply to the power supply for electrical equipment of residual neat recovering system
Open the 4th valve, close third valve, using working medium pump by organic working medium after extraction pressurization in fluid reservoir followed by evaporation
Device, electric heater, condenser, finally flow back to fluid reservoir.Electric heater is connected, is heated to organic working medium.Open the second cooling water
Extraneous cooling water is sent into condenser cold end by pump, for organic working medium after cooling expansion.By the heating work(for adjusting heater
Temperature, pressure and the flow of rate, working medium revolution speed and the 4th valve opening control expander inlet organic working medium, work as organic working medium
When saturated vapor between 3.0-3.1MPa, third valve is opened, the 4th valve is closed, organic working medium is made to enter expanding machine,
Expanding machine rotation acting is pushed, and the second coaxial generating set is driven to export electric energy.By adjusting the second cooling water pump
Rotating speed, the organic working medium for adjusting the flow of extraneous cooling water, and then controlling the outlet of condenser hot junction be 0.25-0.26MPa it
Between saturated liquid.
Start nuclear power generating system, after the residual neat recovering system of outer power supply is stable, opens the first valve, close the
Two valves give nuclear power generating system power supply for electrical equipment, just using the electric energy that the second generating set exports in residual neat recovering system
Often start nuclear power system.Pressure, temperature and the flow for monitoring steam turbine outlet vapor, when nuclear power system is stable and steam turbine
After outlet vapor is stablized, the second valve is opened, closes the first valve, steam turbine outlet vapor is made to flow into evaporator to organic work
Matter heats, meanwhile, cut-out electric heater power supply, the waste heat energy for completing steam turbine outlet vapor replaces electric heater to organic working medium
Heat (steam turbine outlet vapor waste heat energy>Electric heater heating efficiency).Working medium revolution speed and third valve opening are adjusted again,
Ensure saturated vapor of the organic working medium of expander inlet between 3.0-3.1MPa, adjust the second cooling water pump rotating speed, it is ensured that
Second condenser hot junction exports saturated liquid of the organic working medium between 0.25-0.26MPa.The first cooling water pump rotating speed is adjusted,
Ensure that secondary circuit recirculated water obtains enough coolings.
It realizes nuclear energy comprehensive utilization, replaces extraneous power supply using the electric energy of the second generating set output, give waste heat recovery system
System power supply for electrical equipment.
When system operation, the electric energy of the residual neat recovering system output of external world's power supply can meet nuclear power generating system electricity consumption and set
Standby power demand.The electric energy for absorbing the residual neat recovering system output of steam turbine outlet vapor energy meets waste heat recovery system first
The power demand of system electrical equipment (removing electric heater), according to the electricity that the second generating set exports, reasonable distribution gives nuclear power system
The electrical equipment of system.
System is closed：Nuclear power generating system and residual neat recovering system are closed successively.
Nuclear power generating system is closed, replace the second generating set using extraneous power supply supplies to residual neat recovering system electrical equipment
Electricity.The first valve is opened, the second valve is closed, so that steam turbine outlet vapor is no longer flow through evaporator, be also turned on electric heater
Extraneous power supply is heated using electric heater to organic working medium.Adjust working medium revolution speed, third valve opening and the second cooling water pump
Rotating speed, it is ensured that saturated vapor and second condenser hot junction outlet of the organic working medium of expander inlet between 3.0-3.1MPa have
Saturated liquid of the machine working medium between 0.25-0.26MPa, and the electric energy of residual neat recovering system output can meet nuclear energy power generation system
The power demand for electrical equipment of uniting.Normal switching-off nuclear power generating system.
Residual neat recovering system is closed, waits for that nuclear power generating system is completely cooling, the 4th valve is opened in cut-out electric heater power supply
Door closes third valve, and organic working medium is made to be no longer flow through expanding machine, adjusts the rotating speed of the second cooling water pump, is used for cooling residual heat
Organic working medium in recovery system, when organic working medium is completely cooled, working medium pump of closing down cuts off all electricity consumptions of residual neat recovering system
The power supply of equipment.
It should be noted that the aforementioned nuclear energy for being also applied for the embodiment to the explanation of nuclear power generating system embodiment
The control method of electricity generation system, details are not described herein again.
The control method of the nuclear power generating system proposed according to embodiments of the present invention, is recycled using organic rankine cycle system
The waste heat energy of steam turbine outlet water vapour, is converted into electric energy output, the electric energy of output is for nuclear power station electricity consumption in nuclear power system
Equipment uses, and organic working medium absorbs the waste heat energy of steam turbine outlet water vapour in nuclear power system, becomes high pressure high temperature vapor, steam
Expanding machine rotation is driven, and then drives and exports electric energy with the coaxial generator of expanding machine, the organic working medium after expansion enters condensation
Device is cooled to low temperature saturated liquid, and liquid organic working medium is again introduced into the waste heat that evaporator absorbs steam turbine outlet water vapour
Can, it realizes the comprehensive utilization of nuclear energy in nuclear power system, improves nuclear energy uses efficiency, it is energy saving, reduce cost, wherein organic
Rankine cycle uses working medias of the R245fa as residual neat recovering system, and the evaporating pressure of residual neat recovering system is 3.0MPa,
Condensing pressure is 0.25MPa, to by the waste heat energy for recycling steam turbine outlet vapor in nuclear power system, be converted into electric energy
It is used for nuclear power station, further increases the utilization ratio of nuclear energy in nuclear power system.
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 ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply 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 at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., 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 integral；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and 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
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
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 within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. a kind of nuclear power generating system, which is characterized in that including：
First circuit system, first circuit system include end to end pressure vessel, voltage-stablizer, steam generator successively
And main pump；
Second servo loop system, the second servo loop system include the end to end steam generator, steam turbine, evaporation successively
Device, the first condenser and main feed pump, wherein the first generating set is coaxially connected with the steam turbine；
Residual neat recovering system, the residual neat recovering system are made of Organic Rankine Cycle and electric heater comprising head and the tail successively
The connected evaporator, the electric heater, expanding machine, the second condenser, fluid reservoir and working medium pump, wherein the second power generation
Unit is coaxially connected with the expanding machine, to recycle the waste heat energy of the outlet vapor of steam turbine described in nuclear power system；
Cooling water system, the cooling water system include the first cooling water pump and the second cooling water pump, first cooling water pump
It is set to the cold side inlet of the first condenser, for providing cooling water, second cooling water pump is set to the second condenser
Cold side inlet, for providing cooling water；And
Control system, the control system include acquisition control system and be connected with the acquisition control system first to the 7th
Integrated signal device, the main pump, the voltage-stablizer, the electric heater, the main feed pump, the working medium pump, described first
Cooling water pump and second cooling water pump, wherein the first integrated signal device is set to the export pipeline of the steam turbine, and second
Integrated signal device is set to the hot junction export pipeline of the evaporator, and third integrated signal device is set to first condenser
Hot junction export pipeline, the 4th integrated signal device are set to the export pipeline of the electric heater, and the 5th integrated signal device is set to
The export pipeline of the expanding machine, the 6th signal integrator are set to the hot junction export pipeline of second condenser, the 7th letter
Number integrator is set to the cold side outlet pipeline of the evaporator, and the acquisition control system is used to be acquired according to integrated signal device
Multiple integrated signals drive relevant device, by the waste heat energy be converted into electric energy and to the nuclear power system power.
2. nuclear power generating system according to claim 1, which is characterized in that the second servo loop system further includes：
Check-valves, the check-valves are connected with the evaporator and first condenser respectively；
First valve, first valve is connected with the steam turbine and the check-valves respectively, for bypassing the evaporator；
Second valve, second valve are connected with the steam turbine and the evaporator respectively.
3. nuclear power generating system according to claim 2, which is characterized in that the residual neat recovering system further includes：
Third valve, the third valve are connected with the electric heater and the expanding machine respectively；
4th valve, the 4th valve are connected with the electric heater and second condenser respectively, described for bypassing
Expanding machine.
4. nuclear power generating system according to claim 3, which is characterized in that the acquisition control system includes：
Acquisition module, the acquisition module respectively with the described first to the 7th integrated signal device and the second generating set phase
Even, to acquire the multiple integrated signal；
Control module, the control module are connected with the acquisition module and the relevant device respectively, wherein the correlation is set
For the driving motor including the main pump, the voltage-stablizer, the electric heater, first valve, second valve, institute
State third valve, the 4th valve, the driving motor of the main feed pump, the driving motor of the working medium pump, described first
The driving motor of cooling water pump one or more of is connected with the driving motor of second cooling water pump.
5. according to claim 1-4 any one of them nuclear power generating systems, which is characterized in that the work of the residual neat recovering system
Make medium and uses organic working medium R245fa.
6. nuclear power generating system according to claim 1, which is characterized in that integrated signal includes temperature signal, pressure letter
Number and one or more of flow signal.
7. a kind of control method of nuclear power generating system, which is characterized in that using according to claim 1-6 any one of them system
System, wherein method includes：
The integrated signal for acquiring the first integrated signal device with the quality and flow of organic working medium needed for acquisition, and determines working medium
The rotating speed of pump；
Judge whether steam pressure, temperature, flow are invariable according to the integrated signal of the first integrated signal device, wherein
If the steam pressure, temperature, flow are invariable, the second valve is opened, closes the first valve；
The integrated signal for acquiring third integrated signal device, when measuring temperature is more than preset temperature, to increase by the first cooling water pump
Rotating speed, otherwise reduce the rotating speed of first cooling water pump；
The integrated signal for acquiring the 4th integrated signal device, to judge whether the organic working medium is saturated vapor, wherein if it is
Superheated vapor then reduces the heating power of electric heater or increases the rotating speed of the working medium pump；If it is gas-liquid two-phase, increase
The heating power of the electric heater or the rotating speed for reducing the working medium pump；
Judge whether the organic working medium is between the first pre-set interval according to the integrated signal of the 4th integrated signal device
Saturated vapor, wherein if it is the saturated vapor, open third valve, close the 4th valve；If not the saturation
Steam then opens the 4th valve, closes the third valve；And
The several at signal of the 6th integrated signal device are acquired, to judge whether the organic working medium is full between the second pre-set interval
And liquid reduces the rotating speed of the second cooling water pump if it is subcooled liquid；If it is gas-liquid two-phase, increase described second
The rotating speed of cooling water pump.
8. the control method of nuclear power generating system according to claim 7, which is characterized in that the preset temperature is steam
The inlet temperature of generator setting.
9. the control method of nuclear power generating system according to claim 7, which is characterized in that first pre-set interval is
3.0MPa-3.1MPa。
10. according to the control method of claim 7-9 any one of them nuclear power generating systems, which is characterized in that described second
Pre-set interval is 0.25MPa-0.26MPa.
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| CN110190711A (en) * | 2019-06-10 | 2019-08-30 | 清华大学 | Afterheat generating system, method and the nuclear power station including the afterheat generating system |
| CN112815329A (en) * | 2020-12-28 | 2021-05-18 | 航天推进技术研究院 | Multi-process cooperative hazardous waste disposal and waste heat utilization system and method |
| WO2022262225A1 (en) * | 2021-06-18 | 2022-12-22 | 中广核研究院有限公司 | Reactor starting method and system |
| CN113488207B (en) * | 2021-06-18 | 2024-05-10 | 中广核研究院有限公司 | Reactor starting method and system |
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| CN204267120U (en) * | 2014-11-25 | 2015-04-15 | 国核柏斯顿新能源科技(北京)有限公司 | Adopt the low-temperature waste heat power generation equipment of frequency conversion automatic control technology |
| CN207004590U (en) * | 2017-04-25 | 2018-02-13 | 国家电投集团科学技术研究院有限公司 | Nuclear power generating system |
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| CN110190711A (en) * | 2019-06-10 | 2019-08-30 | 清华大学 | Afterheat generating system, method and the nuclear power station including the afterheat generating system |
| CN112815329A (en) * | 2020-12-28 | 2021-05-18 | 航天推进技术研究院 | Multi-process cooperative hazardous waste disposal and waste heat utilization system and method |
| WO2022262225A1 (en) * | 2021-06-18 | 2022-12-22 | 中广核研究院有限公司 | Reactor starting method and system |
| CN113488207B (en) * | 2021-06-18 | 2024-05-10 | 中广核研究院有限公司 | Reactor starting method and system |
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