CN109524132A - Control method and its control system applied to the cooling branch of Spent Fuel Pool - Google Patents
Control method and its control system applied to the cooling branch of Spent Fuel Pool Download PDFInfo
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- CN109524132A CN109524132A CN201811187143.2A CN201811187143A CN109524132A CN 109524132 A CN109524132 A CN 109524132A CN 201811187143 A CN201811187143 A CN 201811187143A CN 109524132 A CN109524132 A CN 109524132A
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- spent fuel
- cooling branch
- fuel pool
- cooling
- control system
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C15/00—Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
- G21C15/18—Emergency cooling arrangements; Removing shut-down heat
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D3/00—Control of nuclear power plant
- G21D3/04—Safety arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
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- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention belongs to million kilowatt nuclear power station safety control technology fields, provide a kind of control method applied to the cooling branch of million kilowatt nuclear power station Spent Fuel Pool and the control system applied to the cooling branch of million kilowatt nuclear power station Spent Fuel Pool；The control method includes: to acquire the operating parameter of the cooling branch of Spent Fuel Pool；Operating parameter is transmitted to and calculates information and control system, information and control system is calculated and is analyzed according to operating parameter to obtain the operating status of the cooling branch of Spent Fuel Pool；Show the operating status of the cooling branch of Spent Fuel Pool；If operation troubles occurs in the cooling branch of Spent Fuel Pool, cooling branch alarm signal is issued；The present invention can monitor the operating status of the cooling branch of Spent Fuel Pool in real time, and correspondingly issue fault alarm information, greatly improve the safety of the cooling branch of Spent Fuel Pool；The security level for solving the cooling branch of Spent Fuel Pool in traditional technology is lower, the not high problem of the generating efficiency of nuclear power unit.
Description
Technical field
The invention belongs to million kilowatt nuclear power station safety control technology fields, more particularly to one kind to be applied to gigawatt
The control method of the cooling branch of grade nuclear power station spent fuel reservoir and it is applied to the cooling branch of million kilowatt nuclear power station Spent Fuel Pool
The control system on road.
Background technique
As the power demand of modern industrial society is increasing, nuclear power can have become in the electric system of society extremely
Important component part, therefore the operational safety of nuclear power station has particularly important shadow for the Electrical Safety of people's production and living
It rings；Since nuclear power station generates powerful nuclear power station using the nuclear fission reaction of nuclear fuel, nuclear power station is in power generation process
In, nuclear power unit will generate a large amount of spentnuclear fuel, these spentnuclear fuels are that the core generated after overshoot irradiation, nuclear reaction gives up
Material has very strong radioactivity and corrosivity, if these spentnuclear fuels cannot get appropriate processing and recycling, it will to natural environment
It causes greatly to damage, or even the health and ecological safety of people can be endangered.
According to the electricity generating principle of nuclear power station, in nuclear power unit, lead to the nuclear reaction of nuclear fuel to realize chemical energy to electric energy
Conversion process, and then export powerful nuclear power energy；Since the nuclear power reaction of nuclear fuel is an exothermic process, then working as core
At the end of electricity reaction, spentnuclear fuel caused by nuclear power unit will have high temperature；It is handled back for spentnuclear fuel
Before receipts, it is necessary to which spentnuclear fuel carries out cooling processing so that spentnuclear fuel reaches room temperature；Nuclear power station has to setting spentnuclear fuel thus
Pond cools down branch to cool down to spentnuclear fuel, the principle that wherein Spent Fuel Pool cools down are as follows: be equipped in Spent Fuel Pool
A large amount of cooling water, since water has the effect of good radiation-screening and cooling, the spentnuclear fuel with higher temperature often by
It is placed on the bottom of Spent Fuel Pool, the heat in spentnuclear fuel is taken away by cooling water, to achieve the effect that cooling；When weary combustion
Material and cooling water realize after heat exchange, and the water in Spent Fuel Pool is that rising becomes waste water, passes through Spent Fuel Pool and cools down
The waste water of high temperature will be cooled down and excluded by branch, to realize the circulating cooling for spentnuclear fuel in nuclear power station, make nuclear power
Spentnuclear fuel in standing can drop to room temperature.
Therefore in the spentnuclear fuel cooling procedure for nuclear power station, the cooling branch of Spent Fuel Pool is for Spent Fuel Pool
Cooling capacity has particularly important influence, if the cooling branch of Spent Fuel Pool can rapidly extract giving up in Spent Fuel Pool
Water cools down, then the cooling rate of spentnuclear fuel will be accelerated in nuclear power station, the generating capacity of nuclear power unit will also be obtained
Greatly promoted；So in the control method of the cooling branch of Spent Fuel Pool in the conventional technology, the Spent Fuel Pool of nuclear power station
Cooling branch mainly passes through to be operated manually, and in actual application, the transmission distance of the cooling branch of Spent Fuel Pool
From longer, technical staff can not obtain the practical operation situation in the cooling branch of Spent Fuel Pool in real time, and then lead to spentnuclear fuel
The safety of the cooling branch in pond is lower；And traditional technology can not real-time detection have the failure fortune of the cooling branch of Spent Fuel Pool
Row information, if the cooling branch of Spent Fuel Pool is chronically at failure operation state, Spent Fuel Pool is for Nuclear Power Station's Exhausted Fuels
Cooling capacity will decline to a great extent, reduce the generated output of nuclear power unit, in addition can serious nuclear power station operational safety, lead
Cause the generation of Nuclear Safety accident.
Summary of the invention
The present invention provides a kind of control method applied to the cooling branch of million kilowatt nuclear power station Spent Fuel Pool and answers
Control system for the cooling branch of million kilowatt nuclear power station Spent Fuel Pool, it is intended to solve in traditional technology Spent Fuel Pool
In the control method of cooling branch, user can not detect and obtain the actual motion state of the cooling branch of Spent Fuel Pool, weary combustion
Expect that safety in operation and the stability of the cooling branch in pond are lower, causes the cooling capacity of Spent Fuel Pool poor, and then can not
The problem of ensureing nuclear power unit operational safety.
First aspect present invention provides a kind of control applied to the cooling branch of million kilowatt nuclear power station Spent Fuel Pool
Method, wherein the cooling branch of the Spent Fuel Pool includes: DC power supply, at least one cooling water pump, at least one heat exchanger
And at least one control valve；The control method includes:
Acquire the operating parameter of the cooling branch of the Spent Fuel Pool；
The operating parameter is transmitted to and calculates information and control system, the calculating information and control system are according to
Operating parameter analysis is to obtain the operating status of the cooling branch of the Spent Fuel Pool；
Show the operating status of the cooling branch of the Spent Fuel Pool；
If operation troubles occurs in the cooling branch of the Spent Fuel Pool, cooling branch alarm signal is issued.
In one of them embodiment, by the operating parameter be transmitted to the calculating information and control system it
Afterwards, and in the calculating information and control system it is analyzed according to the operating parameter to obtain the cooling branch of the Spent Fuel Pool
Before the operating status on road, the control method further include:
The cooling branch of the calculating information and the control system Spent Fuel Pool according to the operational parameter detection is in
Working condition or halted state；
If the cooling branch of the Spent Fuel Pool is in halted state, cooling branch enabling signal is issued.
In one of them embodiment, the operating parameter of the cooling branch of the Spent Fuel Pool includes: the cooling water
The fluid flow of the cooling branch of the inlet pressure of pump, the outlet pressure of the cooling water pump, the Spent Fuel Pool, the heat exchange
The remaining capacity of the outlet temperature of device and the DC power supply.
In one of them embodiment, information and the control system of calculating is according to the inlet pressure of the cooling water pump
Judge whether the fluid pressure in the cooling branch of the Spent Fuel Pool is normal with the outlet pressure of the cooling water pump；
If the fluid pressure in the cooling branch of the Spent Fuel Pool is greater than the upper limit or described weary of default fluid pressure
Fluid pressure in the cooling branch of fuel pit is less than the lower limit of the default fluid pressure, then issues cooling branch pressure alarm
Signal.
In one of them embodiment, the control method further include:
The calculating information and control system are analyzed to obtain the liquid pressure of the Spent Fuel Pool according to the operating parameter
Power, fluid temperature and liquid level；
If the liquid in the Spent Fuel Pool meets any one following condition:
The fluid pressure is more than or equal to preset pressure threshold value；
The fluid temperature is more than or equal to default safe temperature；
The liquid level is more than or equal to default level threshold；
Then to the control valve output flow adjustment signal, to change the liquid flow of the cooling branch of the Spent Fuel Pool
Amount.
In one of them embodiment, the operating status of the cooling branch of the display Spent Fuel Pool, specifically:
Show the cooling branch of the Spent Fuel Pool failure operation information and
Show fluid flow, fluid pressure, flow rate of liquid and the liquid of outlet of the cooling branch of the Spent Fuel Pool
Temperature.
Second aspect of the present invention provides a kind of control applied to the cooling branch of million kilowatt nuclear power station Spent Fuel Pool
System, wherein the cooling branch of the Spent Fuel Pool includes: DC power supply, at least one cooling water pump, at least one heat exchanger
And at least one control valve；The control system includes:
Acquisition device, for acquiring the operating parameter of the cooling branch of the Spent Fuel Pool；
Control cabinet, including information and control system are calculated, the calculating information and control system are used for according to the operation
Parameter analysis is to obtain the operating status of the cooling branch of the Spent Fuel Pool；
Display screen, for showing the operating status of the cooling branch of the Spent Fuel Pool.
Fault alarm then issues cooling branch report for there is operation troubles in the cooling branch of the Spent Fuel Pool
Alert signal.
In one of them embodiment, the control system further include:
Starter then issues cooling branch starting for being in halted state in the cooling branch of the Spent Fuel Pool
Signal.
In one of them embodiment, the operating parameter of the cooling branch of the Spent Fuel Pool includes: the cooling water
The fluid flow of the cooling branch of the inlet pressure of pump, the outlet pressure of the cooling water pump, the Spent Fuel Pool, the heat exchange
The remaining capacity of the outlet temperature of device and the DC power supply.
In one of them embodiment, the fault alarm includes:
Fluid pressure alarm unit is greater than default operation for the fluid pressure in the cooling branch of the Spent Fuel Pool
Fluid pressure in upper limit of pressure or the cooling branch of the Spent Fuel Pool is greater than the lower limit of the default fluid pressure, then
Issue cooling branch pressure alarm signal.
In one of them embodiment, the control system further include:
Flow regulator meets any one following condition for the liquid in the Spent Fuel Pool:
The fluid pressure of the Spent Fuel Pool is more than or equal to preset pressure threshold value；
The fluid temperature of the Spent Fuel Pool is more than or equal to default safe temperature；
The liquid level of the Spent Fuel Pool is more than or equal to default level threshold；
Then the flow regulator is cooling to change the Spent Fuel Pool to the control valve output flow adjustment signal
The fluid flow of branch.
In one of them embodiment, the display screen includes:
Status display area, for showing the failure operation information of the cooling branch of the Spent Fuel Pool；
Parameter display area domain, for showing fluid flow, the fluid pressure, liquid flow of the cooling branch of the Spent Fuel Pool
Speed and the fluid temperature of outlet.
In the control method of the cooling branch of above-mentioned nuclear power station spent fuel reservoir, by collecting in Spent Fuel Pool
The cooling branch of the Spent Fuel Pool can be obtained by the comprehensive analysis and detection to these operating parameters in every operating parameter
Practical operation situation, and the actual motion state of the cooling branch of the real-time display Spent Fuel Pool, user can be intuitively
Liquid cooling and the traffic condition for solving the cooling branch of Spent Fuel Pool, it is cooling to greatly improve Spent Fuel Pool in the present invention
The safety and stability of branch；And if there is operation troubles in the cooling branch of Spent Fuel Pool, issues cooling branch immediately
Alarm signal to provide fault alarm information to technical staff, and then prevents the cooling branch of Spent Fuel Pool to be chronically at failure
Operating status；The cooling branch of Spent Fuel Pool is enhanced for the cooling capacity of spentnuclear fuel by the control method, can be made weary
The cooling branch of fuel pit remains at optimal operating status, and the liquid in Spent Fuel Pool can be obtained updating in real time and be followed
Ring, improves the cooling rate for Nuclear Power Station's Exhausted Fuels, and nuclear power unit has bigger generated output, the safety of nuclear power unit
Property is higher；To which the control method in the present invention can monitor operating condition in the cooling branch of Spent Fuel Pool in real time, improve
The cooling branch of Spent Fuel Pool has ensured nuclear power station for the cooling capacity and transport capacity of Spent Fuel Pool high temperature waste water
Operational safety and the generating efficiency for improving nuclear power unit, reduce the generation of nuclear plant safety accident；It efficiently solves
The control method of the cooling branch of nuclear power station spent fuel reservoir is unable to monitor the reality of the cooling branch of Spent Fuel Pool in traditional technology
The security level of operating condition, the cooling branch of Spent Fuel Pool is lower, and then causes Spent Fuel Pool can not be to the weary combustion of nuclear power station
The problem of material is rapidly cooled, and the safety of nuclear power unit is unable to get guarantee.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those skilled in the art, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is that a kind of structure of the cooling branch of million kilowatt nuclear power station Spent Fuel Pool provided in an embodiment of the present invention is shown
It is intended to；
Fig. 2 is provided in an embodiment of the present invention a kind of applied to the cooling branch of million kilowatt nuclear power station Spent Fuel Pool
The implementation flow chart of control method；
Fig. 3 is provided in an embodiment of the present invention another applied to the cooling branch of million kilowatt nuclear power station Spent Fuel Pool
Control method implementation flow chart；
Fig. 4 is provided in an embodiment of the present invention another applied to the cooling branch of million kilowatt nuclear power station Spent Fuel Pool
Control method implementation flow chart；
Fig. 5 is the control of the cooling branch of another million kilowatt nuclear power station Spent Fuel Pool provided in an embodiment of the present invention
The structural schematic diagram of system；
Fig. 6 is the control of the cooling branch of another million kilowatt nuclear power station Spent Fuel Pool provided in an embodiment of the present invention
The structural schematic diagram of system；
Fig. 7 is the control of the cooling branch of another million kilowatt nuclear power station Spent Fuel Pool provided in an embodiment of the present invention
The structural schematic diagram of system.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It needs to illustrate first, the control method in the embodiment of the present invention can be applicable to the weary combustion in million kilowatt nuclear power station
Expect in the cold branch processed in pond；According to the cooling treatment method in traditional technology for Nuclear Power Station's Exhausted Fuels, by spentnuclear fuel water
Store cooling liquid in pond, such as water, after being cooled down by the cooling liquid to Nuclear Power Station's Exhausted Fuels, to realize
For recycling for Nuclear Power Station's Exhausted Fuels；If the cooling treatment speed for the Nuclear Power Station's Exhausted Fuels is faster, nuclear power unit
More powerful electric energy can be generated, the security performance of nuclear power station is just higher；Due in Spent Fuel Pool liquid and weary combustion
There are heat exchanges for material, and with the reduction of spentnuclear fuel temperature, the fluid temperature in Spent Fuel Pool can also be increased, then after heating
Liquid be changing to high-temp liquid；Therefore technical staff just needs to extract spentnuclear fuel in real time by the cooling branch of Spent Fuel Pool
High-temp liquid in pond to carry out circulating purification, cooling to the high-temp liquid, then liquid after cooling is delivered to again weary
It in fuel pit, is able to carry out and is recycled with the liquid ensured in Spent Fuel Pool, Spent Fuel Pool can store always
The cooling water of large capacity routinely can carry out cooling treatment to Nuclear Power Station's Exhausted Fuels by the Spent Fuel Pool, ensure core
The stable operation of motor group.
Illustratively, Fig. 1 shows the structure of the cooling branch 10 of nuclear power station spent fuel reservoir provided in an embodiment of the present invention
Signal, as shown in Figure 1, the cooling branch 10 of the nuclear power station spent fuel reservoir includes: DC power supply 101, at least one cooling water pump
102, at least one heat exchanger 103 and at least one control valve 104；Wherein the nuclear power station spent fuel reservoir cools down branch 10
Entrance connects the water outlet side 20 of Spent Fuel Pool, and the outlet of the cooling branch 10 of nuclear power station spent fuel reservoir connects the return water of Spent Fuel Pool
Side 30, when the liquid of high temperature is exported entering to the cooling branch 10 of nuclear power station spent fuel reservoir by the water outlet side 20 of Spent Fuel Pool
Mouthful, by the cooling branch 10 of the nuclear power station spent fuel reservoir for the cooling of high-temp liquid, purified treatment after, Nuclear Power Station's Exhausted Fuels
The outlet of the cooling branch 10 in pond exports liquid after cooling again to the return water side 30 of Spent Fuel Pool, to realize for weary
Liquid recycles in fuel pit 30, so that the liquid stored in Spent Fuel Pool is maintained at lower temperature, spentnuclear fuel water
Pond can carry out the cooling treatment of duration to Nuclear Power Station's Exhausted Fuels, improve cooling of the Spent Fuel Pool for Nuclear Power Station's Exhausted Fuels
Ability.
It is shown in Fig. 1 go out the cooling branch 10 of nuclear power station spent fuel reservoir in, DC power supply 101 can export stable straight
Galvanic electricity energy can drive each electronic component in the cooling branch 10 of nuclear power station spent fuel reservoir (such as cold by the direct current energy
But water pump 102 and heat exchanger 103 etc.) keep stable working condition；Therefore in DC power supply 101 stored electric energy size
The operational safety of branch 10 cooling for nuclear power station spent fuel reservoir has important influence, when the residue electricity of DC power supply 101
When can be more, the operational safety higher grade of the cooling branch 10 of nuclear power station spent fuel reservoir；Cooling water pump 102 is weary in nuclear power station
Have the function of that liquid is cooling and liquid transmits in the cooling branch 10 of fuel pit, it on the one hand can by cooling water pump 102
Cool down for liquid, is maintained at the liquid in the cooling branch 10 of nuclear power station spent fuel reservoir under preference temperature；It is another
For aspect since the entrance and exit of cooling water pump 102 is there are pressure difference, the transport for capableing of accelerating liquid by cooling water pump 102 is fast
Rate enables the fluid pressure in the cooling branch 10 of nuclear power station spent fuel reservoir to be maintained within the scope of unfavourable pressure, nuclear power station
The cooling branch 10 of Spent Fuel Pool can be realized remote liquid transporting.
In the cooling branch 10 of nuclear power station spent fuel reservoir, it is cooling that heat exchanger 103 can be realized nuclear power station spent fuel reservoir
High-temp liquid in branch 10 is exchanged with the heat of extraneous cold fluid, optional to realize fast cooling and the cooling of high-temp liquid
, heat exchanger 103 is shell-and-tube heat exchanger；Since the heat exchanger 103 can make in a short time the temperature of high-temp liquid quick
Room temperature is dropped to, and then the liquid of lower temperature can be exported by the heat exchanger 103, ensures that nuclear power station spent fuel reservoir is cooling
Cooling treatment ability of the branch 10 for high-temp liquid；Control valve 104 can control the cooling branch 10 of nuclear power station spent fuel reservoir
Middle fluid flow, by the modulation amplitude of adjusting control valve 104, to change the liquid that control valve 104 passes through within the unit time
Volume；When the fluid flow in the cooling branch 10 of nuclear power station spent fuel reservoir changes, nuclear power station spent fuel reservoir is cooling
Branch 10 can also occur to change accordingly for the cooling capacity of high-temp liquid；Therefore technical staff can pass through adjusting control valve
104 rapidly change the flow of the cooling branch 10 of nuclear power station spent fuel reservoir, to enhance the cooling branch of nuclear power station spent fuel reservoir
For the cooling capacity of Spent Fuel Pool high temperature liquid, nuclear power station spent fuel reservoir is able to maintain optimal work shape on road 10
State.
The structure of the cooling branch 10 of the nuclear power station spent fuel reservoir shown according to Fig. 1, due to Nuclear Power Station's Exhausted Fuels water
For the cooling branch 10 in pond during carrying out cooling treatment to high-temp liquid, the cooling branch 10 of nuclear power station spent fuel reservoir is with operation
Time can be in different working conditions；However nuclear power station spent fuel reservoir cools down the control method of branch in the conventional technology
In, which real-time detection and can not show the operating status of the cooling branch of Spent Fuel Pool, and the Spent Fuel Pool
Cooling branch is also easy to operation troubles occur in actual application, and then leads to the safety of the cooling branch of Spent Fuel Pool
Performance is lower, not very practical；To solve the above problems, the embodiment of the invention discloses one kind to be applied to million kilowatt nuclear power
The control method of the cooling branch of Spent Fuel Pool of standing can monitor the cooling branch of Spent Fuel Pool in real time by the control method
Operating status, and the cooling branch long-term work of Spent Fuel Pool is avoided to nonserviceable, safety is higher.
It should be noted that the cooling branch 10 of nuclear power station spent fuel reservoir shown in Fig. 1 is in the embodiment of the present invention
The application of control method；Since the control method compatibility in the embodiment of the present invention is stronger, without prejudice to nuclear power station in Fig. 1
On the structural representation basis of the cooling branch 10 of Spent Fuel Pool, technical staff can adjust the cooling branch of nuclear power station spent fuel reservoir
Cleaned water tank can be added to the cooling branch 10 of nuclear power station spent fuel reservoir according to actual needs by 10 structure, such as technical staff
In, to improve the degree of purification of cooling the exported cooling water of branch 10 of nuclear power station spent fuel reservoir；Since these adjustment are only
The subtle adjustment of part-structure, is not directed to the reality of control method in the present embodiment in branch 10 cooling for Spent Fuel Pool
Operating procedure, the control method in the present embodiment can be applied to the cooling branches of various types of Spent Fuel Pools in this field, because
This this still fall within protection scope of the present invention.
Branch is cooled down applied to million kilowatt nuclear power station Spent Fuel Pool Fig. 2 shows provided in an embodiment of the present invention
The implementation process of control method, wherein the specific structure of the cooling branch of the nuclear power station spent fuel reservoir in the present embodiment can refer to figure
1 embodiment, will not be described in great detail herein, and then can be carried out to the cooling branch of nuclear power station spent fuel reservoir by the control method
Self adaptive control；For ease of description, only parts related to embodiments of the present invention are shown, and details are as follows:
As shown in Fig. 2, control method in the embodiment of the present invention the following steps are included:
Step S201: the operating parameter of the cooling branch of acquisition Spent Fuel Pool；Since Spent Fuel Pool is to high-temp liquid
It carries out in cooling treatment process, the cooling branch of Spent Fuel Pool will generate a large amount of operating parameter, if Spent Fuel Pool is cooling
Branch changes for the cooling of high-temp liquid and transmittability, then the operating parameter of the cooling branch of Spent Fuel Pool also can
Corresponding change occurs, and then the actual motion feelings of the cooling branch of Spent Fuel Pool can be truly reflected by these operating parameters
Condition.
Step S202: operating parameter being transmitted to and calculates information and control system, calculates information and control system according to fortune
Row Parameter analysis is to obtain the operating status of the cooling branch of Spent Fuel Pool；It can be to data due to calculating information and control system
It is managed and analyzes, and then by can accurately obtain the cooling branch of Spent Fuel Pool after operating parameter is analyzed and handled
The operating status on road, to realize the implementing monitoring of branch cooling for Spent Fuel Pool；Preferably, due to calculating information and control
It stores data intelligence processing algorithm in system, computer operating parameter is analyzed based on the data intelligence processing algorithm,
And then it obtains the history run state of the cooling branch of Spent Fuel Pool and predicts the following fortune of the cooling branch of Spent Fuel Pool
Row state；To which Spent Fuel Pool cooling can be monitored in all directions by calculating information and control system in step S202
The actual motion state of branch, greatly ensure can the cooling branch of Spent Fuel Pool operational safety.
Step S203: the operating status of the cooling branch of display Spent Fuel Pool；In conjunction with step S202 and step S203, when point
When analysis obtains the operating status of the cooling branch of Spent Fuel Pool, so can the cooling branch of real-time display Spent Fuel Pool operation shape
State, technical staff can intuitively observe the practical operation situation of the cooling branch of Spent Fuel Pool, greatly improve the present embodiment
The interactive capability of the cooling branch of middle Spent Fuel Pool, enhances the controllability of the cooling branch of Spent Fuel Pool.
Step S204: when operation troubles occurs in the cooling branch of Spent Fuel Pool, then cooling branch alarm signal is issued；It is logical
Crossing the cooling branch alarm signal can be to technical staff's transmission fault warning message, to prompt the spentnuclear fuel water in the present embodiment
There is operation troubles in the cooling branch in pond, and technical staff can take appropriate measures to cope with the failure of the cooling branch of Spent Fuel Pool
Event avoids Spent Fuel Pool from being chronically at failure operation state；On the contrary, if the cooling branch of Spent Fuel Pool is not run
Failure does not issue cooling branch alarm signal then；Further, in conjunction with step S202 and step S204, if calculating information and control
System processed obtains the cooling branch of Spent Fuel Pool according to operating parameter analysis detection and operation troubles occurs, then passes through cooling branch report
Alert signal issues fault cues to technical staff, and technical staff can exclude the operation event in the cooling branch of Spent Fuel Pool immediately
Barrier enables the high-temp liquid in Spent Fuel Pool to ensure that the cooling branch of Spent Fuel Pool is at fully operational status
Circulating cooling in time is rapidly cooled Nuclear Power Station's Exhausted Fuels by the Spent Fuel Pool, improves the power generation of nuclear power unit
Ability.
It is understood that in the present embodiment, step S204 can be located at before step S203, step may be alternatively located at
It is unlimited to this after S203.
In the present embodiment, it is acquired and analyzes by the operating parameter of branch cooling for Spent Fuel Pool
The operating status of the cooling branch of Spent Fuel Pool is obtained, and then greatly protects the operational safety of Spent Fuel Pool, is prevented weary
The cooling branch of fuel pit is chronically at failure operation state；And when there is operation troubles in the cooling branch of Spent Fuel Pool,
Fault warning information then can be issued in real time to technical staff by cooling branch alarm signal, to prompt technical staff: at this time
The cooling branch of Spent Fuel Pool is in failure operation state, needs to carry out failure dimension to the cooling branch of Spent Fuel Pool immediately
It repairs, to improve the cooling branch of Spent Fuel Pool for the cooling treatment ability of Spent Fuel Pool high temperature waste material, nuclear power unit tool
There is high generating efficiency, has ensured the operational safety of nuclear power unit；And the control method in the present embodiment can also be real-time
Show the operating status of the cooling branch of Spent Fuel Pool, and then technical staff can intuitively understand the cooling branch of Spent Fuel Pool
Operating condition improves the controllability of the cooling branch of Spent Fuel Pool；To which the control method in through this embodiment can be real
When monitor and show the operating condition of the cooling branch of Spent Fuel Pool, greatly improve the operation of the cooling branch of Spent Fuel Pool
Safety and stability further can ensure that Spent Fuel Pool is weary for nuclear power station by the cooling branch of Spent Fuel Pool
The cooling capacity of fuel；The safety and stability for efficiently solving the cooling branch of Spent Fuel Pool in traditional technology is poor,
The cooling branch of Spent Fuel Pool is easy to be in failure operation state, causes the generated output of nuclear power unit lower, nuclear plant safety
The higher problem of accident rate.
As a preferred embodiment, Fig. 3 show it is provided in this embodiment be applied to million kilowatt nuclear power station
Another implementation process of the control method of the cooling branch of Spent Fuel Pool, compared to control method illustrated in fig. 2, in Fig. 3
In shown control method, after operating parameter be transmitted to calculating information and control system, and calculate information and
Before control system is analyzed according to operating parameter to obtain the operating status of the cooling branch of the Spent Fuel Pool, the controlling party
Method further include:
Step S301: the calculating information and the control system Spent Fuel Pool according to the operational parameter detection are cooling
Branch is in running order or halted state；As described above, calculating information and control system in the initial stage and being joined according to operation
Number can obtain liquid transmission situation in the cooling branch of Spent Fuel Pool, and then in step S301, being capable of the weary combustion of real-time detection
Whether the cooling branch in material pond enters working condition.
Step S302: if the cooling branch of Spent Fuel Pool is in halted state, cooling branch enabling signal is issued；If weary
The cooling branch of fuel pit is in running order, then does not issue cooling branch enabling signal, pass through the cooling branch enabling signal
The cooling branch of Spent Fuel Pool can be driven to rapidly enter working condition, improve the cooling branch of Spent Fuel Pool for spentnuclear fuel water
The cooling treatment ability of pond high temperature liquid prevents the cooling branch of Spent Fuel Pool in the present embodiment to be chronically at shutdown phase,
The control method is capable of the start and stop state of the cooling branch of real-time monitoring Spent Fuel Pool, is conducive to the power generation for improving nuclear power unit
Efficiency.
As an alternative embodiment, the operating parameter of the cooling branch of the Spent Fuel Pool includes: cooling water pump
Inlet pressure, the outlet pressure of cooling water pump, the fluid flow of the cooling branch of Spent Fuel Pool, heat exchanger outlet temperature with
And the remaining capacity of DC power supply；To can synthetically obtain spentnuclear fuel by the operating parameter of the cooling branch of Spent Fuel Pool
The actual motion state of the cooling branch in pond has ensured that control method branch cooling for Spent Fuel Pool is practical in the present embodiment
The detection accuracy of operating parameter improves the security level of the cooling branch of Spent Fuel Pool.
As a kind of specific embodiment, in the step S201 of above-mentioned control method, when collecting cooling water pump
Inlet pressure and cooling water pump outlet pressure, then calculate information and control system according to the inlet pressure of cooling water pump and cold
But the outlet pressure of water pump judges whether the fluid pressure in the cooling branch of Spent Fuel Pool is normal；Since cooling water pump has energy
Enough change the fluid pressure in the cooling branch of Spent Fuel Pool, and then the liquid pressure energy in the Spent Fuel Pool in the present embodiment
It is enough to be adjusted in real time according to the cooling capacity of Spent Fuel Pool.
If the fluid pressure in cooling branch is greater than the fluid pressure in the upper limit or cooling branch of default fluid pressure
Less than the lower limit of default fluid pressure, then cooling branch pressure alarm signal is issued；If the fluid pressure in cooling branch on the contrary
Lower limit in default fluid pressure and between the upper limit of default fluid pressure, then do not issue cooling branch pressure alarm signal；
Wherein presetting fluid pressure is to be set in advance, technical staff can according in the cooling branch of Spent Fuel Pool electronic component it is specific
Type sets the specific range of default fluid pressure；Illustratively, the range of default fluid pressure: 300 kPas to 500,000
Pa, then the lower limit of the default fluid pressure is 300 kPas, and the upper limit of the default fluid pressure is 500 kPas；The wherein default liquid
Body pressure is the safe pressure range of the cooling branch of Spent Fuel Pool, only when the fluid pressure in the cooling branch of Spent Fuel Pool
Lower limit in default fluid pressure and when between the upper limit of default fluid pressure, the cooling branch of Spent Fuel Pool can be in
Normal working condition；If the fluid pressure in the cooling branch of Spent Fuel Pool is greater than the upper limit of default fluid pressure, say
Fluid pressure in the cooling branch of bright Spent Fuel Pool is excessive, and excessive fluid pressure will make the cooling branch of Spent Fuel Pool
At biggish physical hazard, some electronic devices resulted even in the cooling branch of Spent Fuel Pool are damaged completely, at this time
The excessive warning information of fluid pressure is issued to technical staff by pressure alarm, technical staff can be according to the pressure alarm
Signal reduces the modulation amplitude of cooling water pump, so that the fluid pressure in the cooling branch of the Spent Fuel Pool is back to surely
Definite value avoids excessive fluid pressure from causing biggish physical hazard to the cooling branch of Spent Fuel Pool.
If the fluid pressure in the cooling branch of Spent Fuel Pool is less than the lower limit of default fluid pressure, illustrate spentnuclear fuel
Fluid pressure in the cooling branch in pond is too low, the cooling branch of Spent Fuel Pool for high-temp liquid cooling treatment ability compared with
It is low, the generating capacity of nuclear power unit is affected, issues cooling branch alarm signal at this time；By the cooling branch alarm signal to
Technical staff issues the too low information of fluid pressure, and technical staff can be according to the cooling branch alarm signal in time by cooling water
The modulation amplitude of pump increases, and to improve the cooling branch of Spent Fuel Pool for the circular treatment ability of high-temp liquid, makes spentnuclear fuel
The liquid stored in pond is able to maintain always in lower temperature, promotes Spent Fuel Pool for the cold of Nuclear Power Station's Exhausted Fuels
But ability, nuclear power unit just have higher generating efficiency.
Therefore in the present embodiment, carried out by the outlet pressure of inlet pressure and cooling water pump for cooling water pump real
When detect and analyze, the fluid pressure condition in the cooling branch of Spent Fuel Pool can be obtained, when the cooling branch of Spent Fuel Pool
In fluid pressure when being abnormal (excessive or too low), then issue cooling branch pressure alarm signal, pass through the cooling branch
Pressure Alarm can adjust the modulation amplitude of cooling water pump in time, and then change the liquid in the cooling branch of Spent Fuel Pool
Pressure enables the fluid pressure in the cooling branch of Spent Fuel Pool to be always positioned at the lower limit and default liquid of default fluid pressure
Between upper limit of pressure；It has ensured the physical security of the cooling branch of Spent Fuel Pool, and has improved the cooling branch of Spent Fuel Pool
Road can carry out fast cooling to Nuclear Power Station's Exhausted Fuels by Spent Fuel Pool for the cooling treatment ability of high-temp liquid, real
It is extremely strong with property.
As an alternative embodiment, in the step S201 of above-mentioned control method, when collecting heat exchanger
Outlet temperature then calculates the outlet that information and control system judge the cooling branch of Spent Fuel Pool according to the outlet temperature of heat exchanger
Whether fluid temperature is normal；Since heat exchanger can be realized the fast exchange of heat, when the cooling branch of Spent Fuel Pool is to weary combustion
After high-temp liquid in material pond carries out cooling processing, after cooling can be handled by the outlet of the cooling branch of Spent Fuel Pool
Liquid be transmitted to Spent Fuel Pool again, to realize recycling for liquid in Spent Fuel Pool, and then pass through the heat exchanger
Outlet temperature can be obtained it is cooling after liquid temperature conditions.
If the outlet liquid temperature of the cooling branch of the Spent Fuel Pool is greater than cooling water temperature threshold value, cooling branch is issued
Road heat alarm；Wherein the cooling water temperature threshold value is to be set in advance, only when cold by the cooling branch of Spent Fuel Pool
But after handling, when being less than or equal to cooling water temperature threshold value by the fluid temperature of the cooling branch output of the Spent Fuel Pool,
It can be realized and the liquid in Spent Fuel Pool is cyclically updated；If the outlet liquid temperature of the cooling branch of Spent Fuel Pool
It is unsatisfactory for cooling temperature requirement in Spent Fuel Pool, then temperature event is issued to technical staff by cooling branch heat alarm
Hindering warning message, technical staff can adjust in real time the working condition of heat exchanger according to the cooling branch heat alarm,
Heat exchanger is improved for the cooling capacity of high-temp liquid, so make the outlet liquid temperature of the cooling branch of Spent Fuel Pool be less than or
Person is equal to cooling water temperature threshold value；After liquid after Spent Fuel Pool accesses the cooling treatment again, the temperature of Spent Fuel Pool
Degree is able to maintain that in lower range, is improved Spent Fuel Pool for the cooling processing capacity of Nuclear Power Station's Exhausted Fuels, is ensured core
The safe and stable operation of motor group.
As a preferred embodiment, Fig. 4 show it is provided in this embodiment be applied to million kilowatt nuclear power station
Another implementation process of the control method of the cooling branch of Spent Fuel Pool, compared to control method illustrated in fig. 2, Fig. 4 institute
The control method shown is further comprising the steps of:
Step S401: calculate information and control system according to operating parameter analyze to obtain Spent Fuel Pool fluid pressure,
Fluid temperature and liquid level；Due to being capable of liquid in real-time Transmission Spent Fuel Pool by the cooling branch of Spent Fuel Pool
Body, therefore every operating parameter of Spent Fuel Pool can be obtained by operating parameter for the present embodiment, and then obtain spentnuclear fuel water
The storage condition of liquid in pond.
Step S402: if the liquid in Spent Fuel Pool meets any one following condition:
The fluid pressure is more than or equal to preset pressure threshold value；
The fluid temperature is more than or equal to default safe temperature；
The liquid level is more than or equal to default level threshold；
Then to control valve output flow adjustment signal, to change the fluid flow of the cooling branch of Spent Fuel Pool；Wherein, in advance
If pressure threshold, default safe temperature and default level threshold are all set in advance for technical staff；As noted previously, as passing through
Control valve can adjust the fluid flow in the cooling branch of Spent Fuel Pool in real time, to change the liquid of the cooling branch of Spent Fuel Pool
Body transmittability；In the present embodiment, if the liquid in Spent Fuel Pool meets any one condition in above-mentioned three conditions,
Then illustrate that the liquid in Spent Fuel Pool is in abnormality, then needs the modulation amplitude by adjusting control valve, it is weary to change
The cooling branch of fuel pit makes the liquid in Spent Fuel Pool be at safe shape the cooling treatment ability of high-temp liquid
State ensures the stable operation of nuclear power unit.
Illustratively, if the fluid pressure in Spent Fuel Pool is more than or equal to preset pressure threshold value, illustrate weary combustion
Expect that the fluid pressure in pond is excessive, the liquid storage amount in Spent Fuel Pool is too many；Then make to control by flow regulating signal
The modulation amplitude of valve increases, then the fluid flow of the cooling branch of Spent Fuel Pool also increases accordingly, and accelerates in Spent Fuel Pool
The surplus liquid in Spent Fuel Pool is discharged, so that the liquid pressure in Spent Fuel Pool in liquid circulation cooling velocity in time
Power can be less than preset pressure threshold value, and fluid pressure excessive in Spent Fuel Pool is avoided to cause the operational safety of nuclear power unit
Damage improves Spent Fuel Pool for the cooling capacity of Nuclear Power Station's Exhausted Fuels；Similar, if the liquid in Spent Fuel Pool
Temperature and/or liquid level are in abnormality, then the working condition of control valve can be changed by flow regulating signal, and then make
The fluid temperature and/or liquid level obtained in Spent Fuel Pool is back within the scope of normal amplitude, ensures the fortune of Spent Fuel Pool
Row safety, improves the cooling capacity of the spentnuclear fuel for nuclear power station.
It is understood that in the present embodiment, step S401 and step S402 can be located at before step S203, it can also position
Before step S204, any restriction is not done to this；Illustratively, as shown in figure 4, step S401 and step S402 can be arranged
After step s 204, then the operating process of control method is successively in the present embodiment are as follows: step S201, step S202, step
S203, step S204, step S401 and step S402.
As an alternative embodiment, the operating status of the cooling branch of display Spent Fuel Pool, specifically:
Show the failure operation information of the cooling branch of Spent Fuel Pool and the liquid of the cooling branch of display Spent Fuel Pool
Flow, fluid pressure, flow rate of liquid and the fluid temperature of outlet.
The present embodiment can the cooling branch of real-time display Spent Fuel Pool failure operation information, technical staff can intuitively obtain
The failure operation situation for knowing the cooling branch of Spent Fuel Pool improves the Man machine interaction of the cooling branch of Spent Fuel Pool, protects
Stabilization, the safe operation of the cooling branch of Spent Fuel Pool are hindered；Meanwhile the control method in the present embodiment also shows spentnuclear fuel water
Every operating parameter of the cooling branch in pond improves control method branch running state monitoring cooling for Spent Fuel Pool
Reliability and authenticity, technical staff can grasp the practical operation situation of the cooling branch of Spent Fuel Pool, user in all directions
Usage experience it is higher.
Fig. 5 shows that the present embodiment provides the control systems for being applied to the cooling branch of million kilowatt nuclear power station Spent Fuel Pool
The structural representation of system 50, wherein the cooling branch of Spent Fuel Pool include: DC power supply, at least one cooling water pump, at least one
Heat exchanger and at least one control valve；As shown in figure 5, control system 50 includes:
Acquisition device 501, for acquiring the operating parameter of the cooling branch of Spent Fuel Pool.
Control cabinet 502, including information and control system are calculated, when the operating parameter is transmitted to meter by acquisition device 501
Information and control system are calculated, information and control system is calculated and is analyzed according to the operating parameter to obtain the cooling branch of Spent Fuel Pool
The operating status on road；And then the practical operation situation of the cooling branch of Spent Fuel Pool can be monitored in real time by control cabinet 502, with
Ensure the physical security of the cooling branch of Spent Fuel Pool.
Display screen 503, for showing the operating status of the cooling branch of Spent Fuel Pool；Technical staff can pass through display screen
503 intuitively understand the operating status of the cooling branch of Spent Fuel Pool, bring good usage experience to user.
As an alternative embodiment, display screen 503 is LCD (Liquid Crystal Display, liquid crystal display
Device) or LED (Light Emitting Diode, light emitting diode).
Fault alarm 504 then issues cooling branch for there is operation troubles in the cooling branch of the Spent Fuel Pool
Alarm signal；It can be sent a warning to technical staff by the cooling branch alarm signal, and technical staff is promoted to take
Corresponding measure ensures that the cooling branch of Spent Fuel Pool can be located for a long time to solve the failure problems that Spent Fuel Pool cools down branch
In safe and stable operating status.
The control system 50 as shown in Fig. 5 be it is corresponding with control method in Fig. 2, about being controlled in Fig. 5
The specific embodiment of system can refer to the embodiment of Fig. 2, will not be described in great detail herein.
In the present embodiment, the operating parameter of the cooling branch of Spent Fuel Pool can be acquired in real time by acquisition device 501,
And control cabinet 502 can analyze the practical operation situation for obtaining the cooling branch of Spent Fuel Pool according to operating parameter, greatly
The physical security of the cooling branch of Spent Fuel Pool is ensured；Technical staff can be weary to know whenever and wherever possible by display screen 503
The history run state and operating status in future of the cooling branch of fuel pit, greatly improve the usage experience of technical staff；
If operation troubles occurs in the cooling branch of Spent Fuel Pool, by the capable of emitting cooling branch alarm signal of fault alarm 504, lead to
Fault alarm information can be issued to technical staff by crossing the cooling branch alarm signal, to prevent the cooling branch of Spent Fuel Pool long
Phase is in failure operation state；To the compatibility with higher of control system 10 in the present embodiment, can be widely applicable for
Various types of nuclear power stations greatly improve Spent Fuel Pool pair to ensure the operational safety of the cooling branch of Spent Fuel Pool
In the cooling capacity of Nuclear Power Station's Exhausted Fuels, nuclear power unit can have bigger generated output, ensure the safety of nuclear power station,
And then the control system 10 in the present embodiment has wider array of use scope；Efficiently solve Spent Fuel Pool in traditional technology
The control system of cooling branch can not monitor the operating status of the cooling branch of Spent Fuel Pool automatically in real time, and then lead to spentnuclear fuel
The problem of security performance of the cooling branch in pond is lower, Nuclear Safety Frequent Accidents.
As an alternative embodiment, the operating parameter of the cooling branch of the Spent Fuel Pool includes cooling water pump
The fluid flow of the cooling branch of inlet pressure, the outlet pressure of cooling water pump, Spent Fuel Pool, the outlet temperature of heat exchanger and
The remaining capacity of DC power supply；The cooling branch of Spent Fuel Pool can accurately be obtained according to multinomial operating parameter by control cabinet 502
The actual motion state on road avoids detection error occur to the cooling branch of Spent Fuel Pool；To ensure the control in the present embodiment
Accuracy of the system 50 processed to the cooling branch condition monitoring of Spent Fuel Pool.
As a preferred embodiment, Fig. 6 is shown, the present embodiment provides another structures of control system 50 to show
Meaning, compared to the control system 50 in Fig. 5, control system 50 shown in Fig. 6 further include: starter 601 and liquid pressure
Power alarm unit 602；It calculates information and control system is sentenced according to the inlet pressure of cooling water pump and the outlet pressure of cooling water pump
Whether the fluid pressure in the disconnected cooling branch of Spent Fuel Pool is normal；If the fluid pressure in the cooling branch of Spent Fuel Pool is greater than
Fluid pressure in the cooling branch of the upper limit or Spent Fuel Pool of default operating pressure is greater than the lower limit of default fluid pressure, then
Fluid pressure alarm unit 602 issues cooling branch pressure alarm signal, can be issued the user with by the Pressure Alarm
Pressure warning information, and then prevent the fluid pressure in the cooling branch of Spent Fuel Pool to be in abnormality, and then ensure weary combustion
Expect that the cooling branch in pond safely, constantly carries out cooling treatment to the high-temp liquid in Spent Fuel Pool, ensures spentnuclear fuel water
The physical security of the cooling branch in pond.
When control cabinet 50 receives operating parameter, information and control system are calculated according to the cooling branch of Spent Fuel Pool
The cooling branch of Spent Fuel Pool described in operational parameter detection is in running order or halted state；If spentnuclear fuel fuel pit is cold
But branch is in halted state, and starter 601 issues cooling branch enabling signal immediately, can by cooling branch enabling signal
The cooling branch of Spent Fuel Pool is set to immediately enter working condition；And then the present embodiment can be improved weary combustion by starter 601
The working efficiency for expecting the cooling branch in pond avoids the cooling branch of Spent Fuel Pool from being chronically at power loss shutdown status, weary to improve
Cooling treatment ability of the fuel pit for Nuclear Power Station's Exhausted Fuels.
As an alternative embodiment, Fig. 7 is shown, the present embodiment provides another structures of control system 50 to show
Meaning, compared to the control system 50 in Fig. 5, control system 50 shown in Fig. 7 further include: flow regulator 701；Work as calculating
Information and control system are analyzed to obtain the fluid pressure, fluid temperature and liquid level of Spent Fuel Pool according to operating parameter
When, and then calculating information and control system can obtain Spent Fuel Pool according to the operating parameter of the cooling branch of Spent Fuel Pool
Operating parameter；Liquid in Spent Fuel Pool meets any one following condition:
The fluid pressure of the Spent Fuel Pool is more than or equal to preset pressure threshold value；
The fluid temperature of the Spent Fuel Pool is more than or equal to default safe temperature；
The liquid level of the Spent Fuel Pool is more than or equal to default level threshold；
Then flow regulator 701 generates flow regulating signal, and flow regulator 701 is adjusted to control valve output flow
Signal, to change the fluid flow of the cooling branch of Spent Fuel Pool；And then the present embodiment can be real-time by flow regulating signal
The modulation amplitude for changing control valve, makes every operating parameter of Spent Fuel Pool be in stable operating status, passes through flow tune
Section device 701 can prevent Spent Fuel Pool and be in failure operation state, and the cooling branch of Spent Fuel Pool can be in time to weary combustion
Expect that the high-temp liquid in pond carries out circulating cooling processing, ensures that Spent Fuel Pool can be stablized, be safely operated, nuclear power unit tool
There is biggish generated output, avoids the generation of Nuclear Safety accident.
As an alternative embodiment, as shown in fig. 7, display screen 503 includes:
Status display area 5031, for showing the failure operation information of the cooling branch of Spent Fuel Pool.
Parameter display area domain 5032, for showing fluid flow, the fluid pressure, liquid flow of the cooling branch of Spent Fuel Pool
Speed and the fluid temperature of outlet.
And then (status display area 5031 and parameter are shown in this example it is shown that screen 503 is by two display areas
Region 5032), the failure operation situation of the cooling branch of Spent Fuel Pool can be shown simultaneously, and then prevents Spent Fuel Pool cold
But branch is chronically at failure operation state, and is capable of every operating parameter of the cooling branch of real-time display Spent Fuel Pool, pole
The earth improves the security level and stability of the cooling branch of Spent Fuel Pool, so that technical staff can be quasi- by control system 50
Really, the cooling branch practical operation situation of Spent Fuel Pool is recognized in real time, there is the cooling branch of the Spent Fuel Pool higher
Man machine interaction, the controllability of the cooling branch of Spent Fuel Pool is more preferably.
In summary, the control method in the embodiment of the present invention can greatly ensure the cooling branch of Spent Fuel Pool
Operational safety avoids the cooling branch of Spent Fuel Pool from being chronically at failure operation state, can widely apply various types of cores
In power station, there is particularly important meaning for the power supply safety of nuclear power station.
Herein, such as first and second etc relational terms are used merely to an entity and another entity area
It separates, without necessarily requiring or implying there are any actual relationship or orders between these entities.And art
Language "include", "comprise" or any other variant are intended to non-exclusive inclusion, so that including a series of elements
Product or the intrinsic element of structure.In the absence of more restrictions, by sentence " including ... " or " packet
Contain ... " element that limits, it is not excluded that include in the process, method of the element, article or terminal device there is also
Other element.In addition, herein, " being greater than ", " being less than ", " being more than " etc. are interpreted as not including this number；" more than ", " with
Under ", " within " etc. be interpreted as including this number.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (12)
1. a kind of control method applied to the cooling branch of million kilowatt nuclear power station Spent Fuel Pool, wherein the spentnuclear fuel water
The cooling branch in pond includes: DC power supply, at least one cooling water pump, at least one heat exchanger and at least one control valve；Its
It is characterized in that, the control method includes:
Acquire the operating parameter of the cooling branch of the Spent Fuel Pool；
The operating parameter is transmitted to and calculates information and control system, the calculating information and control system are according to the operation
Parameter analysis is to obtain the operating status of the cooling branch of the Spent Fuel Pool；
Show the operating status of the cooling branch of the Spent Fuel Pool；
If operation troubles occurs in the cooling branch of the Spent Fuel Pool, cooling branch alarm signal is issued.
2. control method according to claim 1, which is characterized in that believe the operating parameter is transmitted to the calculating
After breath and control system, and it is described weary to obtain according to operating parameter analysis in the calculating information and control system
Before the operating status of the cooling branch of fuel pit, the control method further include:
The cooling branch of the calculating information and the control system Spent Fuel Pool according to the operational parameter detection is in work
State or halted state；
If the cooling branch of the Spent Fuel Pool is in halted state, cooling branch enabling signal is issued.
3. control method according to claim 1, which is characterized in that the operating parameter of the cooling branch of the Spent Fuel Pool
Include: the inlet pressure of the cooling water pump, the outlet pressure of the cooling water pump, the cooling branch of the Spent Fuel Pool liquid
The remaining capacity of body flow, the outlet temperature of the heat exchanger and the DC power supply.
4. control method according to claim 3, which is characterized in that the calculating information and control system are according to described cold
But the outlet pressure of the inlet pressure of water pump and the cooling water pump judges the liquid pressure in the cooling branch of the Spent Fuel Pool
Whether power is normal；
If the fluid pressure in the cooling branch of the Spent Fuel Pool is greater than the upper limit for presetting fluid pressure or the spentnuclear fuel
Fluid pressure in the cooling branch in pond is less than the lower limit of the default fluid pressure, then issues cooling branch pressure alarm signal
Number.
5. control method according to claim 1, which is characterized in that the control method further include:
The calculating information and control system are analyzed to obtain fluid pressure, the liquid of the Spent Fuel Pool according to the operating parameter
Temperature and liquid level；
If the liquid in the Spent Fuel Pool meets any one following condition:
The fluid pressure is more than or equal to preset pressure threshold value；
The fluid temperature is more than or equal to default safe temperature；
The liquid level is more than or equal to default level threshold；
Then to the control valve output flow adjustment signal, to change the fluid flow of the cooling branch of the Spent Fuel Pool.
6. control method according to claim 1, which is characterized in that the cooling branch of the display Spent Fuel Pool
Operating status, specifically:
Show the cooling branch of the Spent Fuel Pool failure operation information and
Show fluid flow, fluid pressure, flow rate of liquid and the fluid temperature of outlet of the cooling branch of the Spent Fuel Pool.
7. a kind of control system applied to the cooling branch of million kilowatt nuclear power station Spent Fuel Pool, wherein the spentnuclear fuel water
The cooling branch in pond includes: DC power supply, at least one cooling water pump, at least one heat exchanger and at least one control valve；Its
It is characterized in that, the control system includes:
Acquisition device, for acquiring the operating parameter of the cooling branch of the Spent Fuel Pool；
Control cabinet, including information and control system are calculated, the calculating information and control system are used for according to the operating parameter
Analysis is to obtain the operating status of the cooling branch of the Spent Fuel Pool；
Display screen, for showing the operating status of the cooling branch of the Spent Fuel Pool.
Fault alarm then issues cooling branch alarm signal for there is operation troubles in the cooling branch of the Spent Fuel Pool
Number.
8. control system according to claim 7, which is characterized in that the control system further include:
Starter then issues cooling branch enabling signal for being in halted state in the cooling branch of the Spent Fuel Pool.
9. control system according to claim 7, which is characterized in that the operating parameter of the cooling branch of the Spent Fuel Pool
Include: the inlet pressure of the cooling water pump, the outlet pressure of the cooling water pump, the cooling branch of the Spent Fuel Pool liquid
The remaining capacity of body flow, the outlet temperature of the heat exchanger and the DC power supply.
10. control system according to claim 9, which is characterized in that the fault alarm includes:
Fluid pressure alarm unit is greater than default operating pressure for the fluid pressure in the cooling branch of the Spent Fuel Pool
The upper limit or the cooling branch of the Spent Fuel Pool in fluid pressure be greater than the lower limit of the default fluid pressure, then issue
Cooling branch pressure alarm signal.
11. control system according to claim 7, which is characterized in that the control system further include:
Flow regulator meets any one following condition for the liquid in the Spent Fuel Pool:
The fluid pressure of the Spent Fuel Pool is more than or equal to preset pressure threshold value；
The fluid temperature of the Spent Fuel Pool is more than or equal to default safe temperature；
The liquid level of the Spent Fuel Pool is more than or equal to default level threshold；
Then the flow regulator is to the control valve output flow adjustment signal, to change the cooling branch of the Spent Fuel Pool
Fluid flow.
12. control system according to claim 7, which is characterized in that the display screen includes:
Status display area, for showing the failure operation information of the cooling branch of the Spent Fuel Pool；
Parameter display area domain, for show the fluid flow, fluid pressure, flow rate of liquid of the cooling branch of the Spent Fuel Pool with
And the fluid temperature of outlet.
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| CN113871044A (en) * | 2021-08-12 | 2021-12-31 | 中广核研究院有限公司 | Cooling control method and related equipment |
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| CN207489491U (en) * | 2017-10-26 | 2018-06-12 | 岭东核电有限公司 | A kind of cooling and filtering pumping system applied to spent nuclear fuel in nuclear power plant pond |
| CN108167202A (en) * | 2017-12-25 | 2018-06-15 | 辽宁三三工业有限公司 | One kind controls cooling water system based on frequency-variable controller |
| CN108549313A (en) * | 2018-04-19 | 2018-09-18 | 四川川润液压润滑设备有限公司 | The control method of static reactive water-cooling circulating system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112838246A (en) * | 2019-11-22 | 2021-05-25 | 中车时代电动汽车股份有限公司 | Shutdown control circuit of fuel cell and control method thereof |
| CN112838246B (en) * | 2019-11-22 | 2022-06-28 | 中车时代电动汽车股份有限公司 | Shutdown control circuit of fuel cell and control method thereof |
| CN113871044A (en) * | 2021-08-12 | 2021-12-31 | 中广核研究院有限公司 | Cooling control method and related equipment |
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