CN110470822A - A kind of nuclear power station equipment wearing monitoring system and method - Google Patents
A kind of nuclear power station equipment wearing monitoring system and method Download PDFInfo
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- CN110470822A CN110470822A CN201910774383.0A CN201910774383A CN110470822A CN 110470822 A CN110470822 A CN 110470822A CN 201910774383 A CN201910774383 A CN 201910774383A CN 110470822 A CN110470822 A CN 110470822A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 101
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000010687 lubricating oil Substances 0.000 claims abstract description 62
- 239000000523 sample Substances 0.000 claims abstract description 57
- 238000005070 sampling Methods 0.000 claims abstract description 24
- 238000009666 routine test Methods 0.000 claims abstract description 9
- 239000013528 metallic particle Substances 0.000 claims description 19
- 230000009467 reduction Effects 0.000 claims description 14
- 239000003921 oil Substances 0.000 claims description 10
- 238000005461 lubrication Methods 0.000 claims description 5
- 230000002159 abnormal effect Effects 0.000 abstract description 10
- 230000005611 electricity Effects 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 description 16
- 239000002184 metal Substances 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000009394 selective breeding Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; Viscous liquids; Paints; Inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/2888—Lubricating oil characteristics, e.g. deterioration
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/187—Machine fault alarms
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- Chemical & Material Sciences (AREA)
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- Business, Economics & Management (AREA)
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- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention belongs to nuclear power station electricity generation system technical fields more particularly to a kind of nuclear power station equipment wearing to monitor system and method.Wherein, probe unit and lubricating oil outlet pipeline are connected during routine test for isolated location, and otherwise probe unit and lubricating oil outlet pipeline are isolated；Sampling unit is sampled the lubricating oil in monitoring pipeline；Probe unit carries out real-time monitoring to the lubricating oil in monitoring pipeline, and when monitoring and to export closure signal to alarm module there are closure conducting when the galling object that partial size is greater than preset threshold in lubricating oil；It after closure signal is converted to alarm signal by alarm module, alarms, to remind staff to overhaul large rotating machinery equipment.Above-mentioned nuclear power station equipment wearing monitors system and method, and by adding monitoring pipeline, galling object in real-time monitoring lubricating oil alarms rapidly when occurring abnormal, can obtain wear information in real time without off-line operation, highly-safe.
Description
Technical field
The invention belongs to nuclear power station electricity generation system technical field more particularly to a kind of nuclear power station equipment wearing monitoring systems
System and method.
Background technique
There are many rotating machineries, such as diesel generating set and Steam Turbine for nuclear power station.Rotating machinery needs
Specific function is completed by spinning movement, by long-term operating, there may be the case where abrasion.
Currently, the wear monitoring technology of traditional rotating machinery is by drawing oil sample when rotating machinery is offline
It is chemically examined, further according to the content of different metal in the result confirmation oil sample of chemical examination.However, the necessary off-line operation of this method,
Can not the abrasion condition of rotating machinery that works online of real-time monitoring, therefore there are wear informations to obtain lag, safety
It is low, be easily damaged the problem of rotating machinery.
Therefore, in traditional wear monitoring technical solution there is due to must off-line operation, can not real-time monitoring it is online
Wear information acquisition lags caused by the abrasion condition of the rotating machinery of work, safety is low, is easily damaged whirler
The problem of tool equipment.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of nuclear power station equipment wearings to monitor system and method, it is intended to
Solve in traditional wear monitoring technical solution there is due to must off-line operation, can not the rotation that works online of real-time monitoring
Wear information acquisition lags caused by the abrasion condition of mechanical equipment, safety is low, is easily damaged asking for rotating machinery
Topic.
The first aspect of the embodiment of the present invention provides a kind of nuclear power station equipment wearing monitoring system, including monitoring pipe
Road and alarm module, the lubricating oil outlet pipeline connection of the monitoring pipeline and nuclear power station mechanical equipment；
The monitoring pipeline is built-in with isolated location, sampling unit and probe unit；
The isolated location is connect with the probe unit, for during routine test by the probe unit and described
Lubricating oil outlet pipeline is connected, and otherwise the probe unit and the lubricating oil outlet pipeline are isolated；
The sampling unit is connect with the isolated location, for being sampled to the lubricating oil in the monitoring pipeline；
The probe unit is connect with the alarm module, for being supervised in real time to the lubricating oil in the monitoring pipeline
It surveys, and when monitoring and to export in the lubricating oil there are closure conducting when the galling object that partial size is greater than preset threshold
Closure signal is to the alarm module；
The alarm module after the closure signal is converted to alarm signal for exporting, to remind staff
The nuclear power station mechanical equipment is overhauled.
The second aspect of the embodiment of the present invention provides a kind of nuclear power station equipment wearing monitoring method, comprising:
It is connected to using monitoring pipeline with the lubricating oil outlet pipeline of nuclear power station mechanical equipment；
Using isolated location, sampling unit and probe unit built in the monitoring pipeline；
During routine test, the probe unit and the lubricating oil outlet pipeline are carried out using the isolated location
Conducting；Otherwise, the probe unit and the lubricating oil outlet pipeline are isolated using the isolated location；
The lubricating oil in the monitoring pipeline is sampled using the sampling unit；
Real-time monitoring is carried out to the lubricating oil in the monitoring pipeline using the probe unit, and described when monitoring
There are closure conductings when the galling object that partial size is greater than preset threshold in lubricating oil, and export closure signal；
After receiving the closure signal using alarm module, the closure signal is converted to carry out after alarm signal it is defeated
Out, to remind staff to overhaul the nuclear power station mechanical equipment.
A kind of above-mentioned nuclear power station equipment wearing monitors system and method, passes through the lubrication in nuclear power station mechanical equipment
Whether oil export pipeline adds bypass, i.e. monitoring pipeline, as containing in the probe unit real-time monitoring lubricating oil built in monitoring pipeline
Some partial sizes are greater than the galling object of preset threshold, and when monitoring that partial size is greater than the galling object of preset threshold, by
Alarm module is alarmed, to remind staff to overhaul nuclear power station mechanical equipment；Even if nuclear power station mechanical equipment exists
Line work can also monitor it with the presence or absence of abrasion condition, and wear information acquisition is timely, highly-safe, extends nuclear power station machinery
The service life of equipment.To solve in traditional wear monitoring technical solution there is due to must off-line operation, can not
Wear information acquisition lags caused by the abrasion condition for the nuclear power station mechanical equipment that real-time monitoring works online, safety is low,
The problem of being easily damaged nuclear power station mechanical equipment.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is that a kind of nuclear power station equipment wearing monitoring system structure that the first aspect of the embodiment of the present invention provides is shown
It is intended to；
Fig. 2 is the exemplary electrical figure of alarm module in nuclear power station equipment wearing monitoring system shown in FIG. 1；
Fig. 3 is the another exemplary electrical figure of alarm module in nuclear power station equipment wearing monitoring system shown in FIG. 1；
Fig. 4 is a kind of the specific of nuclear power station equipment wearing monitoring method that the second aspect of the embodiment of the present invention provides
Flow chart.
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.
Fig. 1 is that a kind of nuclear power station equipment wearing monitoring system structure that the first aspect of the embodiment of the present invention provides is shown
It is intended to, for ease of description, only the parts related to this embodiment are shown, and details are as follows:
A kind of nuclear power station equipment wearing monitoring system, including monitoring pipeline 10 and alarm module 50, wherein monitoring pipe
Road 10 is connected to the welding of the lubricating oil outlet pipeline 01 of nuclear power station mechanical equipment.Specifically, nuclear power station mechanical equipment is whirler
Tool equipment, including but not limited to diesel generating set, Steam Turbine or compressor.Do not influencing nuclear power station mechanical equipment lubricating oil
Under the premise of system function, by increasing bypass all the way newly on lubricating oil outlet pipeline 01 as monitoring pipeline 10, for monitoring
Whether occur abnormal galling object in lubricating oil, to avoid the problem that wear information obtains lag, improves safety.
Abnormal galling object refers to that partial size is greater than the metallic particles of preset threshold.If there is abnormal galling
Object, then illustrating nuclear power station mechanical equipment, there are serious abrasion conditions.Abnormal galling object may be that abrasion early period is accumulated
Tired, it is also possible to caused by the abrasion just occurred.
Wherein, monitoring pipeline 10 is built-in with isolated location 20, sampling unit 30 and probe unit 40.
Isolated location 20 is connect with probe unit 40, is used for probe unit 40 and lubricating oil outlet during routine test
Pipeline 01 is connected, and otherwise probe unit 40 and lubricating oil outlet pipeline 01 are isolated.
Specifically, isolated location 20 includes multiple isolating devices, is separately mounted to the upstream and downstream of probe unit 40；On
Trip and downstream refer in monitoring pipeline 10, and according to the direction of lubricating oil flow, it is upstream that one end, which flows into, and one end outflow is downstream, because
This " upstream of probe unit 40 " refers to that lubricating oil flows into one end of probe unit 40, and " downstream of probe unit 40 " refers to lubrication oil stream
One end of probe unit 40 out.
Multiple isolating devices are once isolated by probe unit 40 and secondary isolation, when in during periodically experiment,
Isolated location 20 is in the open state, and the lubricating oil of 40 pairs of probe unit inflows is monitored.Above-mentioned routine test it is specific when
Between, it can also can be set by control system with artificial selection.
In an alternative embodiment, above-mentioned isolated location 20 includes the first isolating valve 181VH, the second isolating valve 183VH
And third isolating valve 184VH.Wherein, the first isolating valve 181VH is normally close valve, and the input port of the first isolating valve 181VH connects profit
Oil outlet pipeline 01, the delivery outlet of the first isolating valve 181VH connect the input port of the second isolating valve 183VH, the second isolating valve
The delivery outlet of 183VH connects probe unit 40, and probe unit 40 connects the input port of third isolating valve 184VH, third isolating valve
The delivery outlet connection monitoring pipeline 10 of 184VH.
First isolating valve 181VH is normally close valve, for setting to be once isolated in monitoring pipeline 10, barrier monitoring pipeline 10
With lubricating oil outlet pipeline 01, meet the requirement of French Nuclear Power codes and standards system.Second isolating valve 183VH and third isolating valve
184VH is used for secondary isolation.
Sampling unit 30 is connect with isolated location 20, for being sampled to the lubricating oil in monitoring pipeline 10.
Specifically, sampling unit 30 is connected at work, takes for staff to the lubricating oil in monitoring pipeline 10
Sample, whether to contain abnormal galling object in artificial detection lubricating oil.In practical applications, it is reported when alarm module 50 issues
When alert signal, control sampling unit 30 is connected, and to be sampled, is confirmed whether to be implicitly present in abnormal galling object, thus
It avoids carrying out long-time shut-down (breakdown) mainteance, schedule delays to nuclear power station mechanical equipment due to alarm module 50 is reported by mistake.
In an alternative embodiment, sampling unit 30 is realized using sampling valve 182VH.Sampling valve 182VH is arranged first
Between the delivery outlet of isolating valve 181VH and the input port of the second isolating valve 183VH, when alarm module 50 issues alarm signal,
Staff can be sampled the lubricating oil in monitoring pipeline 10 by sampling valve 182VH, if detecting in lubricating oil sample
There is no when abnormal galling object, restarting nuclear power station mechanical equipment in time to work, avoid because of probe unit 40
It accidentally surveys wrong report and shuts down and schedule delays for a long time.
Probe unit 40 is connect with alarm module 50, for carrying out real-time monitoring to the lubricating oil in monitoring pipeline 10, and
And when monitoring and to export closure signal extremely there are closure conducting when the galling object that partial size is greater than preset threshold in lubricating oil
Alarm module 50.
Specifically, the preset threshold of the partial size of galling object is 0.8mm.Probe unit 40 uses metallic particles detector
181SN is realized, is specially realized using resistance filter net type metallic particles detector 181SN.The detection of resistance filter net type metallic particles
Device 181SN includes multiple strainer grids, and the distance between two neighboring strainer grid is 0.8mm.
When galling object of the partial size greater than 0.8mm is not present in lubricating oil, metallic particles detector 181SN's is each
It is not in contact with each other between strainer grid, is equivalent to open circuit between metallic particles detector 181SN and alarm module 50.When in lubricating oil
Two or more adjacent strainers when there is the galling object that partial size is greater than 0.8mm, in metallic particles detector 181SN
By galling object electrical communication between grid, it is connected between metallic particles detector 181SN and alarm module 50 at this time,
Metallic particles detector 181SN exports closure signal to alarm module 50.
Metallic particles detector 181SN has cathode output end and cathode output end, when at least a pair of adjacent strainer grid
When lattice are connected, it is equivalent to cathode output end and cathode output end conducting, exports closure signal.
Alarm module 50 after closure signal is converted to alarm signal for exporting, to remind staff to nuclear power
Mechanical equipment of standing is overhauled.
Specifically, alarm signal includes audible alarm and light warning, so that reminding staff to clap in time stops nuclear power station
After mechanical equipment, lubricating oil is sampled by sampling unit 30, when deciding whether to carry out long to nuclear power station mechanical equipment
Between shut-down (breakdown) mainteance.
In an alternative embodiment, monitoring pipeline 10 connects composition with multistage hard tube using two sections of hoses.Wherein, first segment
The both ends of hose 183FL are separately connected the delivery outlet of the first isolating valve 181VH and the input port of the second isolating valve 183VH, and second
The delivery outlet of one end connection third isolating valve 184VH of section hose 187FL, most downstream portion of the other end as monitoring pipeline 10
Position, i.e. end end.
Above-mentioned two sections of hoses can fully absorb nuclear power station and turn the vibration that mechanical equipment generates during the experiment.
Nuclear power station equipment wearing provided by the embodiment of the present invention monitors system, including at least one monitoring pipeline
10, two or more monitoring pipelines 10 can also be used, two or more monitoring pipelines 10, which correspond, monitors two or more cores
The abrasion condition of power station mechanical equipment.
A kind of nuclear power station equipment wearing provided in this embodiment monitors system, passes through the profit in nuclear power station mechanical equipment
Oil outlet pipeline 01 adds bypass, i.e. monitoring pipeline 10, as 40 real-time monitoring of the probe unit lubrication built in monitoring pipeline 10
The partial size whether contained in oil is greater than the galling object of preset threshold, and works as the metal mill for monitoring that partial size is greater than preset threshold
When damaging object, alarmed by alarm module 50, to remind staff to overhaul nuclear power station mechanical equipment；Even if nuclear power station
Mechanical equipment works online, and can also monitor it with the presence or absence of abrasion condition, wear information acquisition is timely, highly-safe, extends
The service life of nuclear power station mechanical equipment.To solve, there is due to necessary offline in traditional wear monitoring technical solution
Operation, can not caused by the abrasion condition of nuclear power station mechanical equipment that works online of real-time monitoring wear information obtain lag,
Safety is low, is easily damaged the problem of nuclear power station mechanical equipment.
Fig. 2 is the exemplary electrical figure of alarm module 50 in nuclear power station equipment wearing monitoring system shown in FIG. 1, in order to
Convenient for explanation, only the parts related to this embodiment are shown, and details are as follows:
In an alternative embodiment, alarm module 50 includes converting unit 501, switch unit 502, alarm unit 503, disappears
Sound unit 504 and power supply unit 505.
Wherein, converting unit 501 is connect with probe unit 40 and power supply unit 505, for receiving closure signal, and will be closed
It closes after signal is converted to alarm signal and exports to switch unit 502.
Switch unit 502 is connect with converting unit 501, power supply unit 505, noise reduction unit 504 and alarm unit 503, is used
In the conducting when receiving alarm signal.
Alarm unit 503 is used to alarm when switch unit 502 is connected.
Noise reduction unit 504 is connect with alarm unit 503, for when receiving noise reduction signal, control alarm unit 503 to stop
Only alarm.
Power supply unit 505 for after alternating voltage is converted to DC voltage, to converting unit 501, switch unit 502,
Noise reduction unit 504 and alarm unit 503 are powered.
Optionally, converting unit 501 and switch unit 502 are respectively adopted guard grating 491IS and relay 491UM and realize；
Wherein, relay 491UM includes coil, (Fig. 2 is using between 13,14 nodes and 13,14 nodes of 491UM for the first contact switch
Switch indicate) and the second contact switch (Fig. 2 using 491UM 43,44 nodes and 43,44 nodes between switch indicate)；
Alarm unit 503 includes alarm lamp 498AA and flashing light alarm buzzer 491KL, and noise reduction unit 504 includes mute button 491T0
With noise reduction indicator light 493LA.
Optionally, power supply unit 505 includes AC-DC converter 491TU, the first power supply indicator 491LA, the second electricity
Source indicator light 492LA, first fuse 491FU, second fuse, the first breaker 491JA and the second breaker 492JA.
Specifically, power supply unit 505 connects the control cabinet of nuclear power station mechanical equipment, specially connection control cabinet Central Plains
To the power interface 481BN of the time recorder power supply of nuclear power station mechanical equipment.Power interface 481BN exports 220V alternating current
Pressure, power supply unit 505 receive the 220V AC voltage and convert it to DC voltage；The DC voltage is 24V DC voltage.
The load capacity of power interface 481BN is 200w, and the load of alarm module 50 is 50w, therefore power interface 481BN meets
The power demand of alarm module 50.In Nuclear Power Plant Project transformation process, although power interface 481BN is remained, still
It has been abandoned that, therefore power interface 481BN is made full use of to power alarm module 50, without separately setting power supply, taken conveniently.
An exemplary electrical figure of alarm module 50 is explained in detail below:
Power interface 481BN includes firewire L and zero curve N, the first breaker 491JA connection firewire L and zero curve N, and first is molten
Disconnected device 491FU is serially connected on firewire L, and second fuse is serially connected on zero curve N, the both ends difference of the first power supply indicator 491LA
Connect firewire L and zero curve N；Ac input end (Fig. 2 is indicated using the L in 491TU) connection of AC-DC converter 491TU
Zero curve N-terminal (Fig. 2 is indicated using the N in 491TU) the connection zero curve N of firewire L, AC-DC converter 491TU.
After 220V AC voltage is converted to 24V DC voltage by AC-DC converter 491TU, through positive output end and bear
Output end is exported, and the first end of second source indicator light 492LA connects positive output end, second source indicator light 492LA's
Second end connects negative output terminal；Second voltage input end of breaker 492JA two is separately connected positive output end and negative output terminal；The
Two voltage output ends of two breaker 492JA are respectively as the positive terminal and negative pole end of power supply unit 505, and wherein positive terminal is defeated
24V DC voltage out.
The electrode input end of the cathode output end connection guard grating 491IS of metallic particles detector 181SN, metallic particles are visited
Survey the negative input of the cathode output end connection guard grating 491IS of device 181SN；The power end of guard grating 491IS connects power supply
The positive terminal of unit 505, the negative pole end of the negative power end connection power supply unit 505 of guard grating 491IS；The of guard grating 491IS
One switch terminals connect the positive terminal of power supply unit 505, the first end of the second switch end connection coil of guard grating 491IS, coil
Second end connection alarm lamp 498AA first end, the second end of alarm lamp 498AA connects the first end of the first contact switch,
The negative pole end of the second end connection power supply unit 505 of first contact switch.
Mute button 491T0 includes a normally closed switch and a normal open switch, and the first end of normally closed switch connects anode
End, the second end of normally closed switch connect the first end of the second contact switch, and the second end of the second contact switch connects flashing light alarm
The second end of the first end of buzzer 491KL, flashing light alarm buzzer 491KL connects negative pole end；The first end of normal open switch connects
Connect positive terminal, the first end of the second end joint noise reduction indicator light 493LA of normal open switch, the second end of noise reduction indicator light 493LA
Connect negative pole end.
The working principle of the exemplary electrical figure of above-mentioned alarm module 50 is as follows:
When metallic particles detector 181SN conducting, output closure signal to guard grating 491IS, guard grating 491IS will be closed
It closes after signal is handled and exports.When metallic particles detector 181SN conducting, the first switch end of guard grating 491IS and the
For with internal switch, internal switch closure between two switch terminals.The coil of relay 491UM obtains electric actuation, therefore the first contact
Switch and the second contact switch are closed, so that alarm lamp 498AA work once electrified, carries out light warning；Flashing light alarm buzzer
491KL work once electrified carries out light warning and audible alarm.
It, can be by being manually pressed by mute button 491T0, so that mute button after staff has found sound-light alarm
The normally closed switch of 491T0 disconnects, normal open switch closure, so that flashing light alarm buzzer 491KL power loss, stop alarm；Often
After closing the switch, noise reduction indicator light 493LA work once electrified；Also, alarm lamp 498AA still carries out light warning at this time.
It is attached by alarm module 50 and probe unit 40, when metal detector monitors abnormal galling object
When, closure signal is exported, so that alarm module 50 exports alarm signal, warning staff examines nuclear power station mechanical equipment
It repairs, real-time monitoring, notifies the abrasion condition of nuclear power station mechanical equipment at once, highly-safe, accuracy is high.
Fig. 3 is the another exemplary electrical figure of alarm module 50 in nuclear power station equipment wearing monitoring system shown in FIG. 1,
For ease of description, only the parts related to this embodiment are shown, and details are as follows:
In an alternative embodiment, above-mentioned alarm module 50 can also include the second relay 492UM, the second alarm lamp
499AA and the second guard grating 492IS.
Wherein, the second relay 492UM includes the second coil, third contact switch and the 4th contact switch.
Specifically, the cathode output end of metallic particles detector 181SN connects the anode input of the second guard grating 492IS
End, the cathode output end of metallic particles detector 181SN connect the negative input of the second guard grating 492IS；Second guard grating
The positive terminal of the power end connection power supply unit 505 of 492IS, the negative power end of the second guard grating 492IS connect power supply unit 505
Negative pole end；The positive terminal of the first switch end connection power supply unit 505 of second guard grating 492IS, the second guard grating 492IS's
Second switch end connects the first end of the second coil, and the second end of the second coil connects the first end of the second alarm lamp 499AA, the
The first end of the second end connection third contact switch of two alarm lamp 499AA, the second end of third contact switch connect power supply list
The negative pole end of member 505.The second end of the first end connection normally closed switch of 4th contact switch, the second end of the 4th contact switch connect
Connect the first end of flashing light alarm buzzer 491KL.
, it should be understood that the serial number " second " point in the second guard grating 492IS, the second relay 492UM and the second alarm lamp 499AA
It is not the second guard grating for " guard grating 491IS, relay 491UM and alarm lamp 498AA " in Fig. 2
The working principle of 492IS, the second relay 492UM and the second alarm lamp 499AA respectively with the guard grating 491IS in Fig. 2, relay
Device 491UM and alarm lamp 498AA are identical.In practical applications, need to monitor the abrasion of two nuclear power station mechanical equipments
When situation, that is, when being additionally arranged two monitoring pipelines 10, alarm module 50 provided by the present embodiment can be used, the present embodiment is mentioned
The metallic particles detector 181SN of confession is for the metallic particles detector 181SN in Fig. 2.
In other alternative embodiments, can according to the quantity of actual monitoring pipeline 10, accordingly add guard grating 491IS, after
The quantity of electric appliance 491UM and alarm lamp 498AA, and guard grating 491IS, relay 491UM and the alarm lamp 498AA added
Connection method and function and above-mentioned " the second guard grating 492IS, the second relay 492UM and the second alarm lamp 499AA " it is complete
It is exactly the same.When arbitrarily monitoring pipeline 10 monitors abnormal galling object all the way, flashing light alarm buzzer 491KL is carried out
Sound-light alarm, and alarm lamp 498AA corresponding with the monitoring pipeline 10 issues light warning.
Therefore, alarm module 50 provided by the present invention can be designed to according to actual needs with single channel, two-way or more
The module of road warning function.
In an alternative embodiment, above-mentioned alarm module 50 is set in wall-mounted control cabinet.Wall-mounted control cabinet peace
In the control room of nuclear power station mechanical equipment.Specifically, which needs to meet the requirement of electromagnetic compatibility, not shadow
Peripheral equipment is rung, while not being influenced by peripheral equipment.The specification of the wall-mounted control cabinet is 40cm*60cm*20cm.
In an alternative embodiment, when flashing light alarm buzzer 491KL issues sound-light alarm, warning box exports two outward
A mutually independent normally closed dry node signal carries out remote alarms to master control room, and is not limited to only flashing light alarm buzzer
The alarm on the spot that 491KL and alarm lamp 498AA is realized, improves safety.
Fig. 4 is a kind of the specific of nuclear power station equipment wearing monitoring method that the second aspect of the embodiment of the present invention provides
Flow chart, for ease of description, only the parts related to this embodiment are shown, and details are as follows:
A kind of monitoring particle monitoring method, includes the following steps:
S01: it is connected to using monitoring pipeline 10 with the lubricating oil outlet pipeline 01 of nuclear power station mechanical equipment；
S02: using isolated location 20, sampling unit 30 and probe unit 40 built in monitoring pipeline 10；
S03: during routine test, probe unit 40 and lubricating oil outlet pipeline 01 are led using isolated location 20
It is logical；Otherwise, probe unit 40 and lubricating oil outlet pipeline 01 are isolated using isolated location 20；
S04: the lubricating oil in pipeline 10 is monitored using 30 pairs of sampling unit and is sampled；
S05: the lubricating oil monitored in pipeline 10 using 40 Duis of probe unit carries out real-time monitoring, and works as and monitor to lubricate
There are closure conductings when the galling object that partial size is greater than preset threshold in oil, and export closure signal；
S06: after receiving closure signal using alarm module 50, exporting after closure signal is converted to alarm signal,
To remind staff to overhaul nuclear power station mechanical equipment.
Specifically, in step S03, only during routine test, isolated location 20 is by probe unit 40 and lubricating oil outlet
Pipeline 01 is connected；During non-periodically is tested, isolated location 20 by probe unit 40 and lubricating oil outlet pipeline 01 carry out every
From.
In an alternative embodiment, above-mentioned step S04 specifically: when alarm module 50 is alarmed, using sampling
Lubricating oil in 30 pairs of unit monitoring pipelines 10 is sampled.
In conclusion the present invention provides a kind of nuclear power station equipment wearings to monitor system and method, by nuclear power
The lubricating oil outlet pipeline of mechanical equipment of standing adds bypass, i.e. monitoring pipeline, is supervised in real time as the probe unit built in monitoring pipeline
The galling object partial size whether contained in lubricating oil is greater than preset threshold is surveyed, and works as and monitors that partial size is greater than preset threshold
It when galling object, is alarmed by alarm module, to remind staff to overhaul nuclear power station mechanical equipment；Even if core
Machinery equipment on-line work in power station can also monitor it with the presence or absence of abrasion condition, and wear information acquisition is timely, highly-safe, prolongs
The service life of nuclear power station mechanical equipment is grown.To solve in traditional wear monitoring technical solution, there is due to necessary
Off-line operation, can not caused by the abrasion condition of nuclear power station mechanical equipment that works online of real-time monitoring wear information obtain it is stagnant
Afterwards, safety is low, is easily damaged the problem of nuclear power station mechanical equipment.
Various embodiments are described to various system and method herein.Many specific details are elaborated to provide pair
The thorough understanding of the general construction, function, manufacture and use of the embodiment that sum as described in the description is shown in the accompanying drawings.
However it will be understood by those skilled in the art that embodiment can be carried out in the case where not such specific detail.In
In other examples, well known operation, component and element is described in detail, in order to avoid embodiment in the description is made to be difficult to manage
Solution.It will be understood by those skilled in the art that being non-limited example in the embodiment with shown in herein, and therefore will be recognized that
It arrives, can be model representative and that embodiment might not be limited in specific structure and function details disclosed herein
It encloses.
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 is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.
Claims (10)
1. a kind of nuclear power station equipment wearing monitors system, which is characterized in that including monitoring pipeline and alarm module, the prison
The lubricating oil outlet pipeline connection on test tube road and nuclear power station mechanical equipment；
The monitoring pipeline is built-in with isolated location, sampling unit and probe unit；
The isolated location is connect with the probe unit, is used for the probe unit and the lubrication during routine test
Oil export pipeline is connected, and otherwise the probe unit and the lubricating oil outlet pipeline are isolated；
The sampling unit is connect with the isolated location, for being sampled to the lubricating oil in the monitoring pipeline；
The probe unit is connect with the alarm module, for carrying out real-time monitoring to the lubricating oil in the monitoring pipeline,
And when monitoring and to export closure there are closure conducting when the galling object that partial size is greater than preset threshold in the lubricating oil
Signal is to the alarm module；
The alarm module after the closure signal is converted to alarm signal for exporting, to remind staff to institute
Nuclear power station mechanical equipment is stated to be overhauled.
2. nuclear power station equipment wearing as described in claim 1 monitors system, which is characterized in that the isolated location packet
It includes:
First isolating valve, the second isolating valve and third isolating valve；
First isolating valve is normally close valve, and the input port of first isolating valve connects the lubricating oil outlet pipeline, described
The delivery outlet of first isolating valve connects the input port of second isolating valve, and the delivery outlet of second isolating valve connects the spy
Unit is surveyed, the probe unit connects the input port of the third isolating valve, described in the delivery outlet connection of the third isolating valve
Monitor pipeline.
3. nuclear power station equipment wearing as described in claim 1 monitors system, which is characterized in that the sampling unit uses
Sampling valve is realized.
4. nuclear power station equipment wearing as described in claim 1 monitors system, which is characterized in that the probe unit uses
Metallic particles detector.
5. nuclear power station equipment wearing as described in claim 1 monitors system, which is characterized in that the monitoring pipeline uses
Two sections of hoses connect composition with multistage hard tube.
6. nuclear power station equipment wearing as described in claim 1 monitors system, which is characterized in that the alarm module packet
It includes:
Converting unit, switch unit, alarm unit, noise reduction unit and power supply unit；
The converting unit is connect with the probe unit and the power supply unit, for receiving the closure signal, and by institute
It states after closure signal is converted to the alarm signal and exports to the switch unit；
The switch unit is connect with the converting unit, the power supply unit, the noise reduction unit and the alarm unit, is used
In the conducting when receiving the alarm signal；
The alarm unit is used for when the switching means conductive, is alarmed；
The noise reduction unit is connect with the alarm unit, is stopped for when receiving noise reduction signal, controlling the alarm unit
Only alarm；
After the power supply unit is used to alternating voltage being converted to DC voltage, to the converting unit, the switch unit, institute
It states noise reduction unit and the alarm unit is powered.
7. nuclear power station equipment wearing as claimed in claim 6 monitors system, which is characterized in that the power supply unit connection
The control cabinet of the nuclear power station mechanical equipment for receiving the alternating voltage of the control cabinet output, and is converted to
The DC voltage simultaneously exports.
8. nuclear power station equipment wearing as described in claim 1 or 6 monitors system, which is characterized in that the alarm module
It is set in wall-mounted control cabinet；
The wall-mounted control cabinet is mounted in the control room of the nuclear power station mechanical equipment.
9. a kind of nuclear power station equipment wearing monitoring method characterized by comprising
It is connected to using monitoring pipeline with the lubricating oil outlet pipeline of nuclear power station mechanical equipment；
Using isolated location, sampling unit and probe unit built in the monitoring pipeline；
During routine test, the probe unit and the lubricating oil outlet pipeline are led using the isolated location
It is logical；Otherwise, the probe unit and the lubricating oil outlet pipeline are isolated using the isolated location；
The lubricating oil in the monitoring pipeline is sampled using the sampling unit；
Real-time monitoring is carried out to the lubricating oil in the monitoring pipeline using the probe unit, and works as and monitors the lubrication
There are closure conductings when the galling object that partial size is greater than preset threshold in oil, and export closure signal；
After receiving the closure signal using alarm module, exported after the closure signal is converted to alarm signal, with
Staff is reminded to overhaul the nuclear power station mechanical equipment.
10. nuclear power station equipment wearing monitoring method as claimed in claim 9, which is characterized in that taken described in the use
Sample unit is sampled the lubricating oil in the monitoring pipeline, comprising:
When the alarm module is alarmed, the lubricating oil in the monitoring pipeline is taken using the sampling unit
Sample.
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| CN201910774383.0A CN110470822A (en) | 2019-08-21 | 2019-08-21 | A kind of nuclear power station equipment wearing monitoring system and method |
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| CN201910774383.0A CN110470822A (en) | 2019-08-21 | 2019-08-21 | A kind of nuclear power station equipment wearing monitoring system and method |
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| CN110470822A true CN110470822A (en) | 2019-11-19 |
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| CN201910774383.0A Pending CN110470822A (en) | 2019-08-21 | 2019-08-21 | A kind of nuclear power station equipment wearing monitoring system and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098278A (en) * | 2020-09-23 | 2020-12-18 | 中广核工程有限公司 | Nuclear power plant lubricating oil loop monitoring device and method |
| CN113670984A (en) * | 2021-07-07 | 2021-11-19 | 中联重科股份有限公司 | Method and device for detecting abrasive dust, method and device for judging abrasive dust, and engineering machinery |
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| CN112098278A (en) * | 2020-09-23 | 2020-12-18 | 中广核工程有限公司 | Nuclear power plant lubricating oil loop monitoring device and method |
| CN113670984A (en) * | 2021-07-07 | 2021-11-19 | 中联重科股份有限公司 | Method and device for detecting abrasive dust, method and device for judging abrasive dust, and engineering machinery |
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Application publication date: 20191119 |