CN109854310A - A kind of method and device monitoring rotor condition - Google Patents
A kind of method and device monitoring rotor condition Download PDFInfo
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- CN109854310A CN109854310A CN201910309847.0A CN201910309847A CN109854310A CN 109854310 A CN109854310 A CN 109854310A CN 201910309847 A CN201910309847 A CN 201910309847A CN 109854310 A CN109854310 A CN 109854310A
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Abstract
The embodiment of the invention provides a kind of method and devices for monitoring rotor condition, for realizing the monitoring to the sub- rotor resistance of steamer under jiggering state, to prevent turbine rotor from locking occurs, to improve the safety of steam-turbine unit.The embodiment of the present application method, comprising: obtain the resistance monitoring quantity of jiggering state tubine rotor；It when the resistance monitoring quantity is greater than early warning value, alarms the state of the turbine rotor, to prevent the turbine rotor from locking occurs.
Description
Technical field
The present invention relates to steam turbine control technical field more particularly to a kind of method and devices for monitoring rotor condition.
Background technique
Large turbo-type generator unit in order to improve efficiency, compare by diaphragm gland, axle envelope and blade tip seal gap at present
It is small.In Turbo-generator Set shutdown process, especially in hot starting, hot start or stopping process, part flow passage clearance disappears,
The accident of rotor locking happens occasionally.
It is analyzed according to each fault case, rotor of turbogenerator set locking is the process gradually developed.It is complete in rotor
Before full locking, it is also a gradual process that the gap between rotor and stationary parts, which disappears,.
Therefore the monitoring to the sub- rotor condition of steamer how is realized during gap disappears, to prevent turbine rotor from sending out
Raw locking, is a material items of relationship Turbine Safety.
Summary of the invention
The embodiment of the invention provides a kind of method and devices for monitoring rotor condition, for realizing right under jiggering state
The monitoring of the sub- rotor resistance of steamer, to prevent turbine rotor from locking occurs, to improve the safety of steam-turbine unit.
The embodiment of the present application first aspect provides a kind of method for monitoring rotor condition, comprising:
Obtain the resistance monitoring quantity of jiggering state tubine rotor；
When the resistance monitoring quantity is greater than early warning value, alarm the state of the turbine rotor, to prevent
It states turbine rotor and locking occurs.
Preferably, when the barring gear is mechanical jiggering, the resistance monitoring quantity includes: the electricity of the mechanical jiggering
Motivation power, or, the machinery electric current of barring motor or the axis amplitude of the sub- rotor of the steamer；
When the barring gear is hydraulic turning gear, the resistance monitoring quantity includes: the revolving speed of the hydraulic turning gear, or,
The axis amplitude of the turbine rotor.
Preferably, when the barring gear is mechanical jiggering, then the motor power (output) of the mechanical jiggering is obtained, or,
The electric current of the machinery barring motor, and it is greater than preset early warning value in the electric current of the motor power (output) or the motor
When, it alarms the state of the turbine rotor, to prevent the turbine rotor from locking occurs；
Or,
The axis amplitude of the turbine rotor is obtained, and in the axis amplitude of the turbine rotor greater than preset pre-
It when alert value, alarms the state of the turbine rotor, to prevent the turbine rotor from locking occurs.
Preferably, when the barring gear is hydraulic turning gear, then the revolving speed of the hydraulic turning gear is obtained, or, the vapour
The axis amplitude of turbine wheel, and in the axis amplitude of the revolving speed of the hydraulic turning gear or the turbine rotor greater than preset
It when early warning, alarms the state of the turbine rotor, to prevent the turbine rotor from locking occurs.
The embodiment of the present application second aspect provides a kind of device for monitoring rotor condition, comprising:
Acquiring unit, for obtaining the resistance monitoring quantity of jiggering state tubine rotor；
Alarm unit, for being carried out to the state of the turbine rotor when the resistance monitoring quantity is greater than early warning value
Alarm, to prevent the turbine rotor from locking occurs.
Preferably, when the barring gear is mechanical jiggering, the resistance monitoring quantity includes: the electricity of the mechanical jiggering
Motivation power, or, the machinery electric current of barring motor or the axis amplitude of the turbine rotor；
When the barring gear is hydraulic turning gear, the resistance monitoring quantity includes: the revolving speed of the hydraulic turning gear, or,
The axis amplitude of the rotor.
Preferably, when the barring gear is mechanical jiggering, the acquiring unit is specifically used for:
The motor power (output) of the mechanical jiggering is obtained, or, the electric current or the steam turbine of the machinery barring motor
The axis amplitude of rotor；
The alarm unit, is specifically used for:
The electric current of the motor power (output) or the motor be greater than preset early warning value when or the turbine rotor
Axis amplitude be greater than preset early warning value when, alarm the state of the turbine rotor, to prevent the steam turbine
Locking occurs for rotor.
Preferably, when the barring gear is hydraulic turning gear, the acquiring unit is specifically used for:
The revolving speed of the hydraulic turning gear is obtained, or, the axis amplitude of the rotor；
The alarm unit, is specifically used for:
When the revolving speed of the hydraulic turning gear or the axis amplitude of the rotor are greater than preset early warning, to the steam turbine
The state of rotor is alarmed, to prevent the turbine rotor from locking occurs.
The embodiment of the present application also provides a kind of devices for monitoring rotor condition, including processor, the processor to hold
When the computer program that row is stored on memory, for realizing the monitoring rotor condition of the embodiment of the present application first aspect offer
Method.
The embodiment of the present application also provides a kind of computer readable storage medium, it is stored in the computer storage medium
Computer program is implemented when the computer program is executed by one or more processors for realizing for realizing the application
The method for the monitoring rotor condition that example first aspect provides.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that
In the embodiment of the present application, the resistance monitoring quantity of the sub- rotor of steamer under jiggering state is obtained, and monitor in the resistance
It when amount is greater than early warning, alarms the state of turbine rotor, to prevent turbine rotor from locking occurs.Because of the present embodiment
In, the resistance monitoring quantity of turbine rotor can be got, and by the monitoring to resistance monitoring quantity, to realize to jiggering state
The monitoring of tubine rotor condition, to prevent turbine rotor from locking occurs, to improve the safety of steam-turbine unit.
Detailed description of the invention
Fig. 1 is a kind of one embodiment schematic diagram for the method for monitoring rotor condition in the embodiment of the present application；
Fig. 2 is a kind of another embodiment schematic diagram for the method for monitoring rotor condition in the embodiment of the present application；
Fig. 3 is a kind of another embodiment schematic diagram for the method for monitoring rotor condition in the embodiment of the present application；
Fig. 4 is a kind of one embodiment schematic diagram for the device for monitoring rotor condition in the embodiment of the present application.
Specific embodiment
The embodiment of the invention provides a kind of method and devices for monitoring rotor condition, for realizing to vapour under jiggering state
The monitoring of wheel rotor resistance, to prevent turbine rotor from locking occurs, to improve the safety of steam-turbine unit.
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
Description and claims of this specification and term " first ", " second ", " third ", " in above-mentioned attached drawing
Four " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that the embodiments described herein can be in addition to illustrating herein or describing
Sequence other than appearance is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that covering is non-exclusive
Include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to clearly arrange
Those of out step or unit, but may include be not clearly listed or it is solid for these process, methods, product or equipment
The other step or units having.
Large turbo-type generator unit in order to improve efficiency, compare by diaphragm gland, axle envelope and blade tip seal gap at present
It is small.In Turbo-generator Set shutdown process, especially in hot starting, hot start or stopping process, part flow passage clearance disappears,
The accident of rotor locking happens occasionally.
For this problem, present applicant proposes a kind of method and devices for monitoring rotor condition, for realizing to jiggering shape
The monitoring of the sub- rotor resistance of steamer under state, to prevent turbine rotor from locking occurs, to improve the safety of steam-turbine unit.
For convenience of understanding, the method for the monitoring rotor condition in the application is described below, referring to Fig. 1, this Shen
One embodiment of rotor condition method please be monitored in embodiment, comprising:
101, the resistance monitoring quantity of jiggering state tubine rotor is obtained；
The effect of Turning Gear of Steam Turbine Generator Set is to eliminate or prevent rotor curved before steam turbine starting or after shutting down
Song, its structure can be briefly described to make rotor that a relatively low revolving speed be kept slowly to rotate with external force, in order to avoid rotor
The radial device for generating temperature difference or causing rotor bow under gravity.
Steam turbine is before activation or after shutdown, i.e., during steam turbine enters normal operating conditions by shutdown status, or
During entering shutdown status by normal operating conditions, in order to prevent or rotor bow is eliminated, barring gear is needed to make rotor
Relatively low revolving speed is kept slowly to rotate, to prevent rotation stop since the effect of temperature difference or gravity causes rotor bow, and disk
Car state can be regarded as steam turbine under the action of barring gear from shutdown status to the handoff procedure of working condition, or by just
Handoff procedure of the normal working condition to shutdown status.
Currently, one is the electricity being made of motor and gear reduction there are mainly two types of steam turbine generator barring gears
Barring device, the another kind of hydraulic jigger device being made of turbine pump and oil system.
Mechanical barring gear is mainly made of motor, gear etc., and before steam turbine starting or after stopping, starting jiggering is electronic
Machine, gear reduction are engaged with the jiggering gear on turbine rotor, drive rotor to slowly run by motor.Electric barring
Revolving speed is usually lower, generally less than 10r/min.
Hydraulic jigger device is mainly made of the turbine and its oil piping system being coaxial with the rotor, oil piping system generally with lubrication
Oil system is connected, and the lubricating oil impulse turbine with certain pressure and flow velocity generates power, drives turbine rotor rotation.It is hydraulic
Jiggering revolving speed is generally in 50r/min or more.
During turbine rotor jiggering, each bearing is by oil lubrication, and split bearing has jacking oil, by rotor
It jacks up, to reduce the frictional force between rotor and bearing, reduces the resistance in turbine rotor rotation process.Turbine rotor disk
Resistance when vehicle has: the frictional force between rotor and lubricating oil oil film, the frictional force between rotor and the bearing not completely disengaged,
Rotor and its rotatable parts and the slight frictional force of stationary parts etc..
The generating process of turbine rotor locking accident is that frictional force is gradually increased between rotor and bearing, stationary parts
Process, rotor rotary resistance is also the process being gradually increased in the process.
Therefore in the application available jiggering state tubine rotor resistance monitoring quantity, and by resistance monitoring quantity come
The situation of change of frictional force between rotor and bearing, stationary parts is reacted, to prevent turbine rotor from locking occurs.
Specifically, resistance monitoring quantity is also different according to the difference of steam turbine generator barring gear type, it is specific to hinder
Power monitoring quantity is described in detail in the following embodiments, and details are not described herein again.
102, it when the resistance monitoring quantity is greater than early warning value, alarms the state of the turbine rotor, to prevent
Only locking occurs for the turbine rotor.
When getting the resistance monitoring quantity of steam turbine, real-time monitoring can be carried out to the resistance monitoring quantity, and monitoring
When the resistance monitoring quantity is greater than corresponding early warning value, alarm the state of turbine rotor, to be provided for operations staff
Reaction time, to prevent turbine rotor from locking occurs.
In the embodiment of the present application, the resistance monitoring quantity of the sub- rotor of steamer under jiggering state is obtained, and monitor in the resistance
It when amount is greater than early warning, alarms the state of turbine rotor, to prevent turbine rotor from locking occurs.Because of the present embodiment
In, the resistance monitoring quantity of jiggering state tubine rotor can be got, and to resistance monitoring quantity progress real-time monitoring, and
It when the resistance monitoring quantity is greater than early warning, alarms the state of turbine rotor, so that turbine rotor be avoided to occur to embrace
Extremely, the safety of turbine LP rotors is improved.
Based on Fig. 1 the embodiment described, when steam turbine generator barring gear is mechanical barring gear, rotor resistance increases
The increase for directly translating into mechanical barring motor power or steam turbine rotor shaft amplitude obvious fluctuation, mechanical jiggering
Motor power (output) is directly proportional to motor current, therefore can be by the power of mechanical barring motor or the electric current or vapour of motor
The axis amplitude of turbine wheel is set as the resistance monitoring quantity of turbine rotor.
When steam turbine generator barring gear is mechanical barring gear, below to monitoring rotor condition in the embodiment of the present application
Method is described, referring to Fig. 2, detecting another embodiment of rotor condition method in the embodiment of the present application, comprising:
201, the motor power (output) of the mechanical jiggering is obtained, or, the electric current or steam turbine of the machinery barring motor
The axis amplitude of rotor；
Specifically, when steam turbine generator barring gear is mechanical barring gear, because of the power of mechanical barring motor,
And the electric current of motor increases with the increase of rotor resistance, and the axis amplitude of turbine rotor also will appear apparent wave
It is dynamic, thus in the embodiment of the present application available machinery jiggering motor power (output), or the motor current or steamer of mechanical jiggering
The axis amplitude of machine rotor, and in the axis of the motor power (output) or motor current or turbine rotor that get mechanical jiggering
After amplitude, real-time monitoring is carried out to the axis amplitude of performance number and the sub- rotor of current value and steamer.
202, when the motor power (output) or the motor current are greater than preset early warning value or the sub- rotor of steamer
It when axis amplitude is greater than preset early warning value, alarms the state of the turbine rotor, to prevent the steam turbine from turning
Locking occurs for son.
When the motor power (output) or motor current for monitoring mechanical jiggering are greater than preset early warning value or steamer turns
When the axis amplitude of son is greater than preset early warning value, alarm the state of turbine rotor, to prevent turbine rotor from sending out
Raw locking.
Specifically, the monitoring process of mechanical barring motor power or electric current can be as described below: monitoring mechanical jiggering electricity
The normal power value P1 or normal current value A1 of mechanical jiggering is arranged in machine realtime power P or real-time current A, when turning motor reality
When power P or real-time current A be greater than normal power value P1 or normal current value A1 a certain percentage (such as 30%) when, then issue
Alarm；
Embodiment the most alternatively possible can also be the realtime power P or real-time current for monitoring mechanical turning motor
A, it is per second to take jiggering performance number Pi or current value Ai, 60 performance numbers P1, P2, P3....P60 or 60 electricity are taken per minute
Flow valuve A1, A2, A3 ... A60, compares these numerical value, determines maximum value Pmax and minimum value Pmin, calculates Δ P=(Pmax-
Pmin)/(Pmax+Pmin), if issuing alarm when the big Mr. Yu's setting value of Δ P (such as 20%)；Or from 60 current values
It determines Amax and minimum value Amin, calculates Δ A=(Amax-Amin)/(Amax+Amin), if when the big Mr. Yu's setting value of Δ A
(such as 20%), then issue alarm.
Specifically, the monitoring process of the axis amplitude of the sub- rotor of steamer can be as described below: each to jiggering state lower rotor part
Axis vibration test point real value Y is monitored, and calculates each axis vibration average value Yi in one minute, when real value Y is a certain solid greater than Yi
When definite value (such as 30 μm), alarm is issued.
It should be noted that the detection of axis amplitude can be the average value for taking axis amplitude or maximum value or variance or
Standard deviation is not specifically limited herein as long as the stability of axis amplitude can be reacted.
In the embodiment of the present application, in mechanical barring gear, rotor resistance monitoring quantity and monitoring method retouch in detail
It states, improves the exploitativeness of the embodiment of the present application.
Based on Fig. 1 the embodiment described, when steam turbine generator barring gear is hydraulic jigger device, because oil impeller
Oil mass, oil pressure, flow velocity are fixed, i.e. the output power of oil impeller be it is fixed, when rotor resistance is gradually increased, performance
For gradually decreasing for jiggering revolving speed.In addition, during jiggering, when serious rubbing occurs for rotatable parts, Steam Turbine
Rotor oscillation (axis vibration) amplitude will also tend to occur obviously fluctuating.Therefore it can be by the revolving speed of hydraulic turning gear or the Shaft chattering fluctuation of rotor
Amplitude is set as the resistance monitoring quantity of turbine rotor.
When steam turbine generator barring gear is hydraulic jigger device, below to monitoring rotor condition in the embodiment of the present application
Method is described, referring to Fig. 3, monitoring another embodiment of rotor condition method in the embodiment of the present application, comprising:
301, the revolving speed for obtaining the hydraulic turning gear, or, the axis amplitude of the turbine rotor；
Specifically, when steam turbine generator barring gear be hydraulic jigger device when because the revolving speed of hydraulic turning gear with turn
The increase of sub- resistance and reduce, and Steam Turbine armature spindle amplitude also will appear obvious fluctuation, therefore can in the embodiment of the present application
To obtain the revolving speed of hydraulic turning gear or the axis amplitude of hydraulic turning gear, and in the revolving speed or hydraulic turning gear for getting hydraulic turning gear
Axis amplitude after, the axis amplitude of revolving speed or hydraulic turning gear to hydraulic turning gear carries out real-time monitoring.
302, when the axis amplitude of the revolving speed of the hydraulic turning gear or the rotor is greater than preset early warning, to the vapour
The state of turbine wheel is alarmed, to prevent the turbine rotor from locking occurs.
When the axis amplitude for the revolving speed or rotor for monitoring hydraulic turning gear is greater than preset early warning value, then steam turbine is turned
The state of son is alarmed, to prevent turbine rotor from locking occurs.
Specifically, the real-time rotational speed omega of hydraulic turning gear can be monitored, and jiggering rated speed ω I is set, when hydraulic turning gear reality
When a certain percentage (such as 20%) of the rotational speed omega less than jiggering rated speed ω I or when a certain setting value, then issue alarm.
Alternatively, can the axis amplitude to rotor be monitored, i.e., to each axis of jiggering state lower rotor part vibration test point it is real-time
Value Y is monitored, and calculates each axis vibration average value Yi in one minute, when real value Y is greater than a certain fixed value of Yi (such as 30 μm),
Issue alarm.
It should be noted that the detection of axis amplitude can be the average value for taking axis amplitude or maximum value or variance or
Standard deviation is not specifically limited herein as long as the stability of axis amplitude can be reacted.
In the embodiment of the present application, in hydraulic jigger device, rotor resistance monitoring quantity and monitoring method retouch in detail
It states, improves the exploitativeness of the embodiment of the present application.
Described above is the methods that rotor condition is monitored in the embodiment of the present application, below to monitoring rotor condition in the application
Device be described, referring to Fig. 4, in the embodiment of the present application monitor rotor condition device, comprising:
Acquiring unit 401, for obtaining the resistance monitoring quantity of jiggering state tubine rotor；
Alarm unit 402, for when the resistance monitoring quantity is greater than early warning value, to the state of the turbine rotor into
Row alarm, to prevent the turbine rotor from locking occurs.
Preferably, when the barring gear is mechanical jiggering, the resistance monitoring quantity includes: the electricity of the mechanical jiggering
Motivation power, or, the machinery electric current of barring motor or the axis amplitude of the turbine rotor；
When the barring gear is hydraulic turning gear, the resistance monitoring quantity includes: the revolving speed of the hydraulic turning gear, or,
The axis amplitude of the turbine rotor.
Preferably, when the barring gear is mechanical jiggering, the acquiring unit 401 is specifically used for:
The motor power (output) of the mechanical jiggering is obtained, or, the electric current or the steam turbine of the machinery barring motor
The axis amplitude of rotor；
The alarm unit 402, is specifically used for:
The electric current of the motor power (output) or the motor be greater than preset early warning value when or turbine rotor axis
When amplitude is greater than preset early warning value, alarm the state of the turbine rotor, to prevent the turbine rotor
Locking occurs.
Preferably, when the barring gear is hydraulic turning gear, the acquiring unit 401 is specifically used for:
The revolving speed of the hydraulic turning gear is obtained, or, the axis amplitude of the turbine rotor；
The alarm unit 402, is specifically used for:
When the revolving speed of the hydraulic turning gear or the axis amplitude of the rotor are greater than preset early warning, to the steam turbine
The state of rotor is alarmed, to prevent the turbine rotor from locking occurs.
It should be noted that class described in embodiment described in the effect of each unit and Fig. 1 to Fig. 3 in the embodiment of the present application
Seemingly, details are not described herein again.
In the embodiment of the present application, the resistance monitoring quantity of the sub- rotor of steamer under jiggering state is obtained by acquiring unit 401, and
When the resistance monitoring quantity is greater than early warning, alarmed by state of the alarm unit 402 to turbine rotor, to prevent vapour
Locking occurs for turbine wheel.Because in the present embodiment, the resistance monitoring quantity of turbine rotor can be got, and monitor to resistance
Amount carries out real-time monitoring, and when the resistance monitoring quantity is greater than early warning, alarms the state of turbine rotor, to keep away
Exempt from turbine rotor and locking occurs, improves the safety of turbine LP rotors.
The device that rotor condition is monitored in the embodiment of the present invention is retouched from the angle of modular functionality entity above
It states, is described below from device of the angle of hardware handles to the monitoring rotor condition in the embodiment of the present invention, wherein the prison
The device for surveying rotor condition can be the combination of an individual monitoring device or multiple monitoring devices, as motor data senses
The speed probe and/or axis vibration sensor of device and/or rotor:
Device one embodiment of monitor disk car state lower rotor part state includes: in the embodiment of the present invention
Processor and memory；
Memory can when processor is used to execute the computer program stored in memory for storing computer program
To realize following steps:
Obtain the resistance monitoring quantity of turbine rotor；
When the resistance monitoring quantity is greater than early warning value, alarm the state of the turbine rotor, to prevent
It states turbine rotor and locking occurs.
Preferably, when the barring gear is mechanical jiggering, the resistance monitoring quantity includes: the electricity of the mechanical jiggering
Motivation power, or, the machinery electric current of barring motor or the axis amplitude of turbine rotor；
When the barring gear is hydraulic turning gear, the resistance monitoring quantity includes: the revolving speed of the hydraulic turning gear, or,
The axis amplitude of the rotor.
In some embodiments of the invention, processor can be also used for realizing following steps:
When the barring gear is mechanical jiggering, then the motor power (output) of the mechanical jiggering is obtained, or, the machinery
The electric current of barring motor, and when the electric current of the motor power (output) or the motor is greater than preset early warning value, to institute
The state for stating turbine rotor is alarmed, to prevent the turbine rotor from locking occurs；
Or,
The axis amplitude of the sub- rotor of steamer is obtained, and when the axis amplitude is greater than preset early warning value, to the vapour
The state of turbine wheel is alarmed, to prevent the turbine rotor from locking occurs.
In some embodiments of the invention, processor can be also used for realizing following steps:
When the barring gear is hydraulic turning gear, then the revolving speed of the hydraulic turning gear is obtained, or, the turbine rotor
Axis amplitude, and the axis amplitude of the revolving speed of the hydraulic turning gear or the turbine rotor be greater than preset early warning when,
It alarms the state of the turbine rotor, to prevent the turbine rotor from locking occurs.
It is understood that the processor in the device of above explained monitoring rotor condition executes the computer program
When, the function of each unit in above-mentioned corresponding each Installation practice also may be implemented, details are not described herein again.Illustratively, described
Computer program can be divided into one or more module/units, and one or more of module/units are stored in institute
It states in memory, and is executed by the processor, to complete the present invention.One or more of module/units can be can
The series of computation machine program instruction section of specific function is completed, the instruction segment is for describing the computer program in the monitoring
The implementation procedure of the device of rotor condition.For example, the computer program can be divided into the dress of above-mentioned monitoring rotor condition
The concrete function of the device description such as above-mentioned corresponding monitoring rotor condition may be implemented in each unit in setting, each unit.
The processor can be central processing unit (Central Processing Unit, CPU), can also be it
His general processor, digital signal processor (Digital Signal Processor, DSP), specific integrated circuit
(Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable GateArray, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor is also possible to any conventional processor
Deng the processor is the control centre of the computer installation, utilizes various interfaces and the entire computer installation of connection
Various pieces.
The memory can be used for storing the computer program and/or module, and the processor is by operation or executes
Computer program in the memory and/or module are stored, and calls the data being stored in memory, described in realization
The various functions of computer installation.The memory can mainly include storing program area and storage data area, wherein storage program
It area can application program needed for storage program area, at least one function etc.；Storage data area can store the use according to terminal
The data etc. created.In addition, memory may include high-speed random access memory, it can also include non-volatile memories
Device, such as hard disk, memory, plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), secure digital (Secure
Digital, SD) card, flash card (Flash Card), at least one disk memory, flush memory device or other volatibility are solid
State memory device.
The present invention also provides a kind of computer readable storage mediums, and the computer readable storage medium is for realizing monitoring
The function of the device of rotor condition is stored thereon with computer program, and when computer program is executed by processor, processor can
For executing following steps:
Obtain the resistance monitoring quantity of jiggering state tubine rotor；
When the resistance monitoring quantity is greater than early warning value, alarm the state of the turbine rotor, to prevent
It states turbine rotor and locking occurs.
Preferably, when the barring gear is mechanical jiggering, the resistance monitoring quantity includes: the electricity of the mechanical jiggering
Motivation power, or, the machinery electric current of barring motor or the axis amplitude of turbine rotor；
When the barring gear is hydraulic turning gear, the resistance monitoring quantity includes: the revolving speed of the hydraulic turning gear, or,
The axis amplitude of the rotor.
In some embodiments of the invention, the computer program of computer-readable recording medium storage is executed by processor
When, processor can be specifically used for executing following steps:
When the barring gear is mechanical jiggering, then the motor power (output) of the mechanical jiggering is obtained, or, the machinery
The electric current of barring motor, and when the electric current of the motor power (output) or the motor is greater than preset early warning value, to institute
The state for stating turbine rotor is alarmed, to prevent the turbine rotor from locking occurs；
Or,
The axis amplitude of the sub- rotor of steamer is obtained, and when the axis amplitude is greater than preset early warning value, to the vapour
The state of turbine wheel is alarmed, to prevent the turbine rotor from locking occurs.
In some embodiments of the invention, the computer program of computer-readable recording medium storage is executed by processor
When, processor can be specifically used for executing following steps:
When the barring gear is hydraulic turning gear, then the revolving speed of the hydraulic turning gear is obtained, or, the axis of the rotor shakes
Amplitude, and when the axis amplitude of the revolving speed of the hydraulic turning gear or the rotor is greater than preset early warning, to the steam turbine
The state of rotor is alarmed, to prevent the turbine rotor from locking occurs.
It is understood that if the integrated unit is realized in the form of SFU software functional unit and as independent production
Product when selling or using, can store in a corresponding computer-readable storage medium.Based on this understanding, this hair
The bright all or part of the process realized in above-mentioned corresponding embodiment method, can also be instructed relevant by computer program
Hardware is completed, and the computer program can be stored in a computer readable storage medium, which is being located
It manages when device executes, it can be achieved that the step of above-mentioned each embodiment of the method.Wherein, the computer program includes computer program generation
Code, the computer program code can be source code form, object identification code form, executable file or certain intermediate forms
Deng.The computer-readable medium may include: any entity or device, record that can carry the computer program code
It is medium, USB flash disk, mobile hard disk, magnetic disk, CD, computer storage, read-only memory (ROM, Read-OnlyMemory), random
Access memory (RAM, Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..It needs
It is noted that the content that the computer-readable medium includes can be according to making laws in jurisdiction and patent practice is wanted
It asks and carries out increase and decrease appropriate, such as in certain jurisdictions, do not include according to legislation and patent practice, computer-readable medium
Electric carrier signal and telecommunication signal.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although referring to before
Stating embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of method for supervising rotor condition, the rotor are connected with the driving mechanism of barring gear, which is characterized in that described
Include:
Obtain the resistance monitoring quantity of jiggering state tubine rotor；
When the resistance monitoring quantity is greater than early warning value, alarm the state of the turbine rotor, to prevent the vapour
Locking occurs for turbine wheel.
2. the method according to claim 1, wherein when the barring gear is mechanical jiggering, the resistance
Monitoring quantity includes: the motor power (output) of the mechanical jiggering, or, the electric current or the steam turbine of the machinery barring motor
The axis amplitude of rotor；
When the barring gear is hydraulic turning gear, the resistance monitoring quantity includes: the revolving speed of the hydraulic turning gear, or, described
The axis amplitude of turbine rotor.
3. according to the method described in claim 2, it is characterized in that, then obtaining institute when the barring gear is mechanical jiggering
The motor power (output) of mechanical jiggering is stated, or, the electric current of the machinery barring motor, and in the motor power (output) or the electricity
When the electric current of motivation is greater than preset early warning value, alarm the state of the turbine rotor, to prevent the steam turbine
Locking occurs for rotor；
Or,
The axis amplitude of the turbine rotor is obtained, and is greater than preset early warning value in the axis amplitude of the turbine rotor
When, it alarms the state of the turbine rotor, to prevent the turbine rotor from locking occurs.
4. according to the method described in claim 2, it is characterized in that, then obtaining institute when the barring gear is hydraulic turning gear
The revolving speed of hydraulic turning gear is stated, or, the axis amplitude of the turbine rotor, and in the revolving speed of the hydraulic turning gear or the steamer
When the axis amplitude of machine rotor is greater than preset early warning value, alarm the state of the turbine rotor, it is described to prevent
Locking occurs for turbine rotor.
5. a kind of device for monitoring rotor condition characterized by comprising
Acquiring unit, for obtaining the resistance monitoring quantity of jiggering state tubine rotor；
Alarm unit, for alarming the state of the turbine rotor when the resistance monitoring quantity is greater than early warning value,
To prevent the turbine rotor from locking occurs.
6. device according to claim 5, which is characterized in that when the barring gear is mechanical jiggering, the resistance
Monitoring quantity includes: the motor power (output) of the mechanical jiggering, or, the electric current or the steam turbine of the machinery barring motor
The axis amplitude of rotor；
When the barring gear is hydraulic turning gear, the resistance monitoring quantity includes: the revolving speed of the hydraulic turning gear, or, described
The axis amplitude of turbine rotor.
7. device according to claim 6, which is characterized in that when the barring gear is mechanical jiggering, the acquisition
Unit is specifically used for:
The motor power (output) of the mechanical jiggering is obtained, or, the electric current or the turbine rotor of the machinery barring motor
Axis amplitude；
The alarm unit, is specifically used for:
The electric current of the motor power (output) or the motor be greater than preset early warning value when or the turbine rotor axis
When amplitude is greater than preset early warning value, alarm the state of the turbine rotor, to prevent the turbine rotor
Locking occurs.
8. device according to claim 6, which is characterized in that when the barring gear is hydraulic turning gear, the acquisition
Unit is specifically used for:
The revolving speed of the hydraulic turning gear is obtained, or, the axis amplitude of the turbine rotor；
The alarm unit, is specifically used for:
When the revolving speed of the hydraulic turning gear or the axis amplitude of the turbine rotor are greater than preset early warning, to the steamer
The state of machine rotor is alarmed, to prevent the turbine rotor from locking occurs.
9. a kind of device for monitoring rotor condition, which is characterized in that including processor, the processor is stored in storage in execution
When computer program on device, for realizing the method for monitoring rotor condition according to any one of claims 1 to 4.
10. a kind of computer readable storage medium, it is stored with computer program in the computer storage medium, feature exists
In when the computer program is executed by one or more processors, for realizing as described in any one of claims 1 to 4
Monitoring rotor condition method.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910309847.0A CN109854310A (en) | 2019-04-17 | 2019-04-17 | A kind of method and device monitoring rotor condition |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910309847.0A CN109854310A (en) | 2019-04-17 | 2019-04-17 | A kind of method and device monitoring rotor condition |
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| CN201910309847.0A Pending CN109854310A (en) | 2019-04-17 | 2019-04-17 | A kind of method and device monitoring rotor condition |
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2019
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| US20030204333A1 (en) * | 2002-04-25 | 2003-10-30 | Kabushiki Kaisha Toshiba | Apparatus and method of diagnosing machinery damage factor |
| CN201155338Y (en) * | 2008-02-03 | 2008-11-26 | 新华威尔液压系统(上海)有限公司 | Jacking oil system for steamship generator set |
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Application publication date: 20190607 |