CN106653114A - Abnormity diagnosis device and method for pH value index of sewage discharge system in nuclear power plant - Google Patents
Abnormity diagnosis device and method for pH value index of sewage discharge system in nuclear power plant Download PDFInfo
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- CN106653114A CN106653114A CN201611122786.XA CN201611122786A CN106653114A CN 106653114 A CN106653114 A CN 106653114A CN 201611122786 A CN201611122786 A CN 201611122786A CN 106653114 A CN106653114 A CN 106653114A
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses an abnormity diagnosis device and method for a pH value index of a sewage discharge system in a nuclear power plant, and relates to the field of chemical index abnormity diagnosis for a secondary loop in the nuclear power plant. The device comprises a pH table, a gamma specific activity table, a first data acquisition module and a second data acquisition module, wherein the first data acquisition module is connected with the pH table, and the second data acquisition module is connected with the gamma specific activity table, the device further comprises an analysis indicating module and a fault recording module, the analysis indicating module is connected with the first data acquisition module, the second data acquisition module and the fault recording module respectively, the pH table is used for carrying out online detection of the pH value of APG, the gamma specific activity table is used for carrying out online detection of the total gamma specific activity of APG, the first data acquisition module is used for acquiring the pH value and sending the pH value to the analysis indicating module, and the second data acquisition module is used for acquiring the total gamma specific activity and sending the total gamma specific activity to the analysis indicating module. The abnormity diagnosis device and method for the pH value index of the sewage discharge system in the nuclear power plant disclosed by the invention can effectively improve the efficiency and the accuracy for diagnosing the pH value index of the sewage discharge system in the nuclear power plant.
Description
Technical field
The present invention relates to nuclear power plant's secondary circuit chemical index abnormity diagnosis field, and in particular to a kind of nuclear power plant's blowdown water system
System pH value Indexes Abnormality diagnostic device and method.
Background technology
At present, when nuclear power plant's unit foul drainage system pH value index occur deviate technical specification situation when, generally according to
Experience and foundation power plant associative operation code by specialty chemical personnel is processed.Country greatly develops at present nuclear power, nuclear power
Stand more and more, but in terms of nuclear power plant's secondary circuit index diagnostic techniques, the chemical work personnel for possessing rich experiences seem
It is relatively deficient；On the other hand, staff is general carries out relevant abnormalities process with reference to concrete operations code, but often reality
The precondition that condition element is required with operational procedure is inconsistent, causes relevant treatment complicated, so as to cause what is diagnosed
Efficiency and accuracy are relatively low.
The content of the invention
The invention aims to overcome the shortcomings of above-mentioned background technology, there is provided a kind of nuclear power plant's foul drainage system pH value
Indexes Abnormality diagnostic device and method, the device and method can effectively improve nuclear power plant's foul drainage system pH value Indexes Abnormality
The efficiency and accuracy of diagnosis.
The present invention provides a kind of nuclear power plant's foul drainage system pH value Indexes Abnormality diagnostic device, and the device includes pH tables, γ
Specific activity table, the first data acquisition module, the second data acquisition module, the first data acquisition module connection pH tables, the second data
Acquisition module connects γ specific activity tables, and the device also includes analysis indicating module, fault logging module, analysis indicating module difference
Connect the first data acquisition module, the second data acquisition module, fault logging module, wherein,
The pH tables are used for：The pH value of on-line checking foul drainage system APG；
The γ specific activitys table is used for：Total γ specific activitys of on-line checking APG, total γ specific activitys represent the molten of unit volume
The total activity of gamma-ray nucleic is released in liquid；
First data acquisition module is used for：The pH value that collection pH tables are measured, and send it to analysis indicating module；
Second data acquisition module is used for：Total γ specific activitys that collection γ specific activity tables are measured, and send it to
Analysis indicating module；
The analysis indicating module is used for：According to the actual motion power of nuclear power plant's unit, the limit value of pH value is set, it is described
Limit value includes that the first lower control limit value X1, first expect that lower limit X2, first expect higher limit X3, the first upper control limit value X4,
And the limit value Z of total γ specific activitys is set, as X2≤pH≤X3, represent that pH value index is normal；
Analysis indicating module is analyzed to pH value, if pH≤X1 or pH >=X4, it indicates that the second data acquisition module
It is operated, and total γ specific activitys are judged according to the limit value Z of total γ specific activitys, if total γ specific activitys >=Z, prompting is taken
Stringent effort, diagnosis terminates；If whether total γ specific activity ＜ Z, indication diagnosis pH tables are normal, if pH tables are abnormal, maintenance is pointed out
Or change pH tables, it is pending after, indicate the first data acquisition module be operated；If pH tables are normal, diagnosis feedwater degasification is pointed out
Whether the ammonia residual of device system ADG normal, if the ammonia residual of ADG is abnormal, points out the ammonia residual of adjustment ADG, it is pending after, refer to
Show that the first data acquisition module is operated；If ADG ammonia residuals are normal, diagnosis ADG is pointed out to add hydrazine amount whether normal, if ADG
Plus hydrazine amount is abnormal, point out adjustment ADG plus hydrazine amount, it is pending after, indicate the first data acquisition module be operated；If
ADG's plus hydrazine amount it is normal, analysis indicating module prompting diagnosis low-pressure feed heater system ABP whether gas leakage, if ABP leakages
Gas, point out maintenance ABP, it is pending after, indicate the first data acquisition module be operated；If ABP is air tight, diagnosis is pointed out to condense
Whether ammonia residual when water purification treatment system ATE puts into operation is normal；If ammonia residual when ATE puts into operation is normal, diagnosis
For new events, indicate that fault logging module is operated, diagnosis terminates；If ammonia residual when ATE puts into operation is abnormal, point out
Adjustment ATE ammonia residual, it is pending after, indicate the first data acquisition module be operated；
If X1<pH<Whether X2, analysis indicating module prompting diagnosis pH tables are normal, if pH tables are abnormal, point out maintenance or more
Change pH tables, it is pending after, indicate that the first data acquisition module is operated；If pH tables are normal, diagnosis feedwater deaerator system is pointed out
Whether the ammonia residual of system ADG normal, if the ammonia residual of ADG is abnormal, points out the ammonia residual of adjustment ADG, it is pending after, indicate the
One data acquisition module is operated；If ADG ammonia residuals are normal, diagnosis ADG is pointed out to add hydrazine amount whether normal, if ADG adds connection
Ammonia amount is abnormal, point out adjustment ADG plus hydrazine amount, it is pending after, indicate the first data acquisition module be operated；If ADG
Plus hydrazine amount it is normal, analysis indicating module prompting diagnosis ABP whether gas leakage, if ABP gas leakage, points out maintenance ABP, pending
Afterwards, indicate that the first data acquisition module is operated；If ABP is air tight, whether ammonia residual when pointing out diagnosis ATE to put into operation
Normally；If ammonia residual when ATE puts into operation is normal, new events are diagnosed as, indicate that fault logging module is operated, diagnosis knot
Beam；If ammonia residual when ATE puts into operation is abnormal, point out adjustment ATE ammonia residual, it is pending after, indicate the first data adopt
Collection module is operated；
If X3<pH<Whether X4, analysis indicating module prompting diagnosis pH tables are normal, if pH tables are abnormal, point out maintenance or more
Change pH tables, it is pending after, indicate that the first data acquisition module is operated；If pH tables are normal, pointing out the ammonia residual of diagnosis APG is
It is no normal, if the ammonia residual of APG is normal, point out the ammonia residual of diagnosis ADG whether normal, if the ammonia residual of ADG is abnormal, point out
Adjustment ADG ammonia residual, it is pending after, indicate the first data acquisition module be operated；If APG ammonia residuals are abnormal, point out
Whether diagnosis ADG adds hydrazine amount normal, if ADG adds hydrazine, amount is abnormal, point out adjustment ADG's plus hydrazine amount, it is pending after, refer to
Show that the first data acquisition module is operated；
If the ammonia residual of ADG is normal, whether ammonia residual when pointing out diagnosis ATE to put into operation is normal；If ATE puts into operation
When ammonia residual it is normal, be diagnosed as new events, indicate that fault logging module is operated, diagnosis terminates；If ATE puts into operation
Ammonia residual it is abnormal, point out adjustment ATE ammonia residual, it is pending after, indicate the first data acquisition module be operated；
If ADG adds hydrazine, and amount is abnormal, point out adjustment ADG plus hydrazine amount, it is pending after, indicate the first data acquisition module
Block is operated；If ADG adds hydrazine amount normal, whether ammonia residual when pointing out diagnosis ATE to put into operation is normal；If ATE puts into
Ammonia residual during operation is normal, is diagnosed as new events, indicates that fault logging module is operated, and diagnosis terminates；If ATE input fortune
Ammonia residual during row is abnormal, point out adjustment ATE ammonia residual, it is pending after, indicate the first data acquisition module be operated；
The fault logging module is used for：Record fault detail content.
On the basis of above-mentioned technical proposal, the actual motion power for analyzing indicating module according to nuclear power plant's unit,
The detailed process of the limit value of setting pH value is as follows：
When the 25% of the actual motion power >=rated power of nuclear power plant's unit, the first lower control limit value of pH value is set
X1=9.1, first expect that lower limit X2=9.4, first expect higher limit X3=9.7, the first upper control limit value X4=9.8, when
9.4<pH<When 9.7, represent that pH value index is normal.
On the basis of above-mentioned technical proposal, the actual motion power for analyzing indicating module according to nuclear power plant's unit,
The detailed process of the limit value of setting pH value is as follows：
When the 25% of the actual motion power ＜ rated power of nuclear power plant's unit, the second lower control limit value of pH value is set
X1=8.9, second expect that lower limit X2=9.4, second expect higher limit X3=9.7, the second upper control limit value X4=9.9, when
9.4<pH<When 9.7, represent that pH value index is normal.
The present invention also provides a kind of nuclear power plant's foul drainage system pH value Indexes Abnormality diagnostic method for being applied to said apparatus,
Comprise the following steps：
S1, according to the actual motion power of nuclear power plant's unit, set the limit value of pH value, the limit value is included under the first control
Limit value X1, first expect that lower limit X2, first expect higher limit X3, the first upper control limit value X4, as X2≤pH≤X3, represent
PH value index is normal；
The pH value of S2, pH table on-line checking foul drainage system APG, the pH that the first data collecting module collected pH table is measured
Value, and analysis indicating module is sent it to, analysis indicating module is analyzed to pH value, if pH≤X1, goes to step S3；
If X1<pH<X2, goes to step S4；
If X3<pH<X4, goes to step S5；
If pH >=X4, step S3 is gone to；
Total γ specific activitys of S3, γ specific activity table on-line checking APG, the second data collecting module collected γ specific activity table is surveyed
The total γ specific activitys for obtaining, and analysis indicating module is sent it to, the limit value Z for analyzing indicating module according to total γ specific activitys is to total
γ specific activitys are judged, if total γ specific activitys >=Z, prompting takes urgent measure, and diagnosis terminates；If total γ specific activity ＜ Z, turn
To step S4；
Whether S4, analysis indicating module prompting diagnosis pH tables are normal, if pH tables are abnormal, point out maintenance or change pH tables,
After pending, return to step S2；
If pH tables are normal, point out the ammonia residual of diagnosis feedwater deaerator system ADG whether normal, if the ammonia residual of ADG is not
Normally, prompting adjustment ADG ammonia residual, it is pending after, return to step S2；
If ADG ammonia residuals are normal, diagnosis ADG is pointed out to add hydrazine amount whether normal, amount is abnormal if ADG adds hydrazine, points out
Adjustment ADG plus hydrazine amount, it is pending after, return to step S2；
If ADG's adds hydrazine amount normal, whether analysis indicating module prompting diagnosis low-pressure feed heater system ABP leaks
Gas, if ABP gas leakage, point out maintenance ABP, it is pending after, return to step S2；If ABP is air tight, step S6 is gone to；
Whether S5, analysis indicating module prompting diagnosis pH tables are normal, if pH tables are abnormal, point out maintenance or change pH tables,
After pending, return to step S2；
If pH tables are normal, point out the ammonia residual of diagnosis APG whether normal, if the ammonia residual of APG is normal, point out diagnosis ADG
Ammonia residual it is whether normal, if the ammonia residual of ADG is abnormal, point out the ammonia residual of adjustment ADG, it is pending after, return to step S2；
If the ammonia residual of ADG is normal, step S6 is gone to；
If APG ammonia residuals are abnormal, diagnosis ADG is pointed out to add hydrazine amount whether normal, amount is abnormal if ADG adds hydrazine, carries
Show adjustment ADG plus hydrazine amount, it is pending after, return to step S2；
If ADG adds hydrazine amount normal, step S6 is gone to；
If ADG adds hydrazine, and amount is abnormal, point out adjustment ADG plus hydrazine amount, it is pending after, return to step S2；
Just whether ammonia residual when S6, analysis indicating module prompting diagnosis condensate clean-up processing system ATE put into operation
Often；If ammonia residual when ATE puts into operation is normal, new events are diagnosed as, analysis indicating module indicates fault logging module record
Fault detail content, diagnosis terminates；If ammonia residual when ATE puts into operation is abnormal, the ammonia residual of adjustment ATE is pointed out, wait to locate
After reason, return to step S2.
On the basis of above-mentioned technical proposal, according to the actual motion power of nuclear power plant's unit, the limit value of pH value is set
Detailed process is as follows：
When the 25% of the actual motion power >=rated power of nuclear power plant's unit, the first lower control limit value of pH value is set
X1=9.1, first expect that lower limit X2=9.4, first expect higher limit X3=9.7, the first upper control limit value X4=9.8, when
9.4<pH<When 9.7, represent that pH value index is normal.
On the basis of above-mentioned technical proposal, according to the actual motion power of nuclear power plant's unit, the limit value of pH value is set
Detailed process is as follows：
When the 25% of the actual motion power ＜ rated power of nuclear power plant's unit, the second lower control limit value of pH value is set
X1=8.9, second expect that lower limit X2=9.4, second expect higher limit X3=9.7, the second upper control limit value X4=9.9, when
9.4<pH<When 9.7, represent that pH value index is normal.
Compared with prior art, advantages of the present invention is as follows：
The present invention proposes the diagnostic device of the nuclear power generating sets foul drainage system pH value Indexes Abnormality of complete set and diagnosis
Method, the diagnostic device detected using the in-line meter parameter related to pH value index, binding analysis indicating module and therefore
Barrier logging modle, the testing result of various in-line meters is analyzed, and provides operation indicating automatically, realizes that automatic on-line is examined
It is disconnected.When there is problem that inline diagnosis can't resolve, analysis indicating module is diagnosed as new events, indicates that fault logging module enters
Row record, the content of record forms a diagnostic knowledge base, in order to by diagnostic device or method according to the reality of nuclear power plant
Operating is optimized and improves, enable diagnostic device and diagnostic method be persistently applied to the actual running status of nuclear power generating sets and
Diagnosis effect, effectively improves the efficiency and accuracy of diagnosis.
Specific embodiment
With reference to specific embodiment, the present invention is described in further detail.
The embodiment of the present invention provides a kind of nuclear power plant's foul drainage system pH value Indexes Abnormality diagnostic device, and the device includes one
Group in-line meter and the first data acquisition module, the second data acquisition module, analysis indicating module, fault logging module, online
Instrument includes pH tables, γ specific activity tables, and the first data acquisition module connection pH tables, in-line meter real-time online detects various fingers
Mark, the second data acquisition module connection γ specific activity tables, analysis indicating module connects respectively the first data acquisition module, the second number
According to acquisition module, fault logging module, wherein,
PH tables are used for：The pH value of on-line checking foul drainage system APG；
γ specific activity tables are used for：Total γ specific activitys of on-line checking APG；
First data acquisition module is used for：The pH value that collection pH tables are measured, and send it to analysis indicating module；
Second data acquisition module is used for：Total γ specific activitys that collection γ specific activity tables are measured, and send it to analysis
Indicating module；
Analysis indicating module is used for：According to the actual motion power of nuclear power plant's unit, the limit value of pH value, the limit value bag are set
Include the first lower control limit value X1, first expect lower limit X2, first expect higher limit X3, the first upper control limit value X4, when X2≤
During pH≤X3, represent that pH value index is normal；
If pH≤X1 or pH >=X4, it indicates that the second data acquisition module is operated, and according to total γ specific activitys
Limit value Z is judged total γ specific activitys, if total γ specific activitys >=Z, prompting takes urgent measure, and diagnosis terminates；If total γ ratios
Whether activity ＜ Z, indication diagnosis pH table normal, if pH tables are abnormal, point out maintenance or changes pH tables, it is pending after, indicate the
One data acquisition module is operated；If pH tables are normal, point out the ammonia residual of diagnosis feedwater deaerator system ADG whether normal,
If the ammonia residual of ADG is abnormal, point out adjustment ADG ammonia residual, it is pending after, indicate the first data acquisition module carry out work
Make；If ADG ammonia residuals are normal, diagnosis ADG is pointed out to add hydrazine amount whether normal, amount is abnormal if ADG adds hydrazine, points out adjustment
ADG plus hydrazine amount, it is pending after, indicate the first data acquisition module be operated；If ADG's adds hydrazine amount normal, analysis
The whether gas leakage of indicating module prompting diagnosis low-pressure feed heater system ABP, if ABP gas leakage, points out maintenance ABP, it is pending after,
Indicate that the first data acquisition module is operated；If ABP is air tight, diagnosis condensate clean-up processing system ATE input fortune is pointed out
Whether ammonia residual during row is normal；If ammonia residual when ATE puts into operation is normal, new events are diagnosed as, indicate failure logging mould
Block is operated, and diagnosis terminates；If ammonia residual when ATE puts into operation is abnormal, the ammonia residual of adjustment ATE is pointed out, it is pending
Afterwards, indicate that the first data acquisition module is operated；
If X1<pH<Whether X2, analysis indicating module prompting diagnosis pH tables are normal, if pH tables are abnormal, point out maintenance or more
Change pH tables, it is pending after, indicate that the first data acquisition module is operated；If pH tables are normal, diagnosis feedwater deaerator system is pointed out
Whether the ammonia residual of system ADG normal, if the ammonia residual of ADG is abnormal, points out the ammonia residual of adjustment ADG, it is pending after, indicate the
One data acquisition module is operated；If ADG ammonia residuals are normal, diagnosis ADG is pointed out to add hydrazine amount whether normal, if ADG adds connection
Ammonia amount is abnormal, point out adjustment ADG plus hydrazine amount, it is pending after, indicate the first data acquisition module be operated；If ADG
Plus hydrazine amount it is normal, analysis indicating module prompting diagnosis ABP whether gas leakage, if ABP gas leakage, points out maintenance ABP, pending
Afterwards, indicate that the first data acquisition module is operated；If ABP is air tight, whether ammonia residual when pointing out diagnosis ATE to put into operation
Normally；If ammonia residual when ATE puts into operation is normal, new events are diagnosed as, indicate that fault logging module is operated, diagnosis knot
Beam；If ammonia residual when ATE puts into operation is abnormal, point out adjustment ATE ammonia residual, it is pending after, indicate the first data adopt
Collection module is operated；
If X3<pH<Whether X4, analysis indicating module prompting diagnosis pH tables are normal, if pH tables are abnormal, point out maintenance or more
Change pH tables, it is pending after, indicate that the first data acquisition module is operated；If pH tables are normal, pointing out the ammonia residual of diagnosis APG is
It is no normal, if the ammonia residual of APG is normal, point out the ammonia residual of diagnosis ADG whether normal, if the ammonia residual of ADG is abnormal, point out
Adjustment ADG ammonia residual, it is pending after, indicate the first data acquisition module be operated；If APG ammonia residuals are abnormal, point out
Whether diagnosis ADG adds hydrazine amount normal, if ADG adds hydrazine, amount is abnormal, point out adjustment ADG's plus hydrazine amount, it is pending after, refer to
Show that the first data acquisition module is operated；
If the ammonia residual of ADG is normal, whether ammonia residual when pointing out diagnosis ATE to put into operation is normal；If ATE puts into operation
When ammonia residual it is normal, be diagnosed as new events, indicate that fault logging module is operated, diagnosis terminates；If ATE puts into operation
Ammonia residual it is abnormal, point out adjustment ATE ammonia residual, it is pending after, indicate the first data acquisition module be operated；
If ADG adds hydrazine, and amount is abnormal, point out adjustment ADG plus hydrazine amount, it is pending after, indicate the first data acquisition module
Block is operated；If ADG adds hydrazine amount normal, whether ammonia residual when pointing out diagnosis ATE to put into operation is normal；If ATE puts into
Ammonia residual during operation is normal, is diagnosed as new events, indicates that fault logging module is operated, and diagnosis terminates；If ATE input fortune
Ammonia residual during row is abnormal, point out adjustment ATE ammonia residual, it is pending after, indicate the first data acquisition module be operated；
Fault logging module is used for：Record fault detail content.
The embodiment of the present invention also provides a kind of nuclear power plant's foul drainage system pH value Indexes Abnormality for being applied to said apparatus and examines
Disconnected method, comprises the following steps：
S1, according to the actual motion power of nuclear power plant's unit, set the limit value of pH value, the limit value includes the first lower control limit
Value X1, first expect that lower limit X2, first expect higher limit X3, the first upper control limit value X4, and set the limit of total γ specific activitys
Value Z, as X2≤pH≤X3, represents that pH value index is normal；
Specifically, when the 25% of the actual motion power >=rated power of nuclear power plant's unit, the of pH value can be set
One lower control limit value X1=9.1, first expect that lower limit X2=9.4, first expect higher limit X3=9.7, the first upper control limit
Value X4=9.8, when 9.4<pH<When 9.7, represent that pH value index is normal；
When the 25% of the actual motion power ＜ rated power of nuclear power plant's unit, under the second control of pH value can be set
Limit value X1=8.9, second expect that lower limit X2=9.4, second expect higher limit X3=9.7, the second upper control limit value X4=
9.9, when 9.4<pH<When 9.7, represent that pH value index is normal；
The pH value of S2, pH table on-line checking foul drainage system APG, the pH that the first data collecting module collected pH table is measured
Value, and analysis indicating module is sent it to, analysis indicating module is judged pH value, if pH≤X1, goes to step S3；
If X1<pH<X2, goes to step S4；
If X3<pH<X4, goes to step S5；
If pH >=X4, step S3 is gone to；
Total γ specific activitys of S3, γ specific activity table on-line checking APG, the second data collecting module collected γ specific activity table is surveyed
The total γ specific activitys for obtaining, and analysis indicating module is sent it to, the limit value Z for analyzing indicating module according to total γ specific activitys is to total
γ specific activitys are judged, if total γ specific activitys >=Z, prompting takes urgent measure, and diagnosis terminates；If total γ specific activity ＜ Z, turn
To step S4；
Specifically, the limit value Z of total γ specific activitys can be 0.4MBq/t；
Whether S4, analysis indicating module prompting diagnosis pH tables are normal, if pH tables are abnormal, point out maintenance or change pH tables,
After pending, return to step S2；
If pH tables are normal, point out the ammonia residual of diagnosis feedwater deaerator system ADG whether normal, if the ammonia residual of ADG is not
Normally, prompting adjustment ADG ammonia residual, it is pending after, return to step S2；
If ADG ammonia residuals are normal, diagnosis ADG is pointed out to add hydrazine amount whether normal, amount is abnormal if ADG adds hydrazine, points out
Adjustment ADG plus hydrazine amount, it is pending after, return to step S2；
If ADG's adds hydrazine amount normal, whether analysis indicating module prompting diagnosis low-pressure feed heater system ABP leaks
Gas, if ABP gas leakage, point out maintenance ABP, it is pending after, return to step S2；If ABP is air tight, step S6 is gone to；
Whether S5, analysis indicating module prompting diagnosis pH tables are normal, if pH tables are abnormal, point out maintenance or change pH tables,
After pending, return to step S2；
If pH tables are normal, point out the ammonia residual of diagnosis APG whether normal, if the ammonia residual of APG is normal, point out diagnosis ADG
Ammonia residual it is whether normal, if the ammonia residual of ADG is abnormal, point out the ammonia residual of adjustment ADG, it is pending after, return to step S2；
If the ammonia residual of ADG is normal, step S6 is gone to；
If APG ammonia residuals are abnormal, diagnosis ADG is pointed out to add hydrazine amount whether normal, amount is abnormal if ADG adds hydrazine, carries
Show adjustment ADG plus hydrazine amount, it is pending after, return to step S2；
If ADG adds hydrazine amount normal, step S6 is gone to；
If ADG adds hydrazine, and amount is abnormal, point out adjustment ADG plus hydrazine amount, it is pending after, return to step S2；
Just whether ammonia residual when S6, analysis indicating module prompting diagnosis condensate clean-up processing system ATE put into operation
Often；If ammonia residual when ATE puts into operation is normal, new events are diagnosed as, analysis indicating module indicates fault logging module record
Fault detail content, diagnosis terminates；If ammonia residual when ATE puts into operation is abnormal, the ammonia residual of adjustment ATE is pointed out, wait to locate
After reason, return to step S2.
If being diagnosed as new events, staff's Artificial Diagnosis go out after result, and the corresponding new diagnosis algorithm of the result is added
Enter in said method, form a more perfect new diagnostic process.
Those skilled in the art can carry out various modifications and variations to the embodiment of the present invention, if these modifications and change
Within the scope of the claims in the present invention and its equivalent technologies, then these modifications and modification are also in protection scope of the present invention for type
Within.
The prior art that the content not described in detail in specification is known to the skilled person.
Claims (6)
1. a kind of nuclear power plant's foul drainage system pH value Indexes Abnormality diagnostic device, it is characterised in that：The device includes pH tables, γ ratios
Activity table, the first data acquisition module, the second data acquisition module, the first data acquisition module connection pH tables, the second data are adopted
Collection module connection γ specific activity tables, the device also includes analysis indicating module, fault logging module, and analysis indicating module connects respectively
The first data acquisition module, the second data acquisition module, fault logging module are connect, wherein,
The pH tables are used for：The pH value of on-line checking foul drainage system APG；
The γ specific activitys table is used for：Total γ specific activitys of on-line checking APG, total γ specific activitys are represented in the solution of unit volume
Release the total activity of gamma-ray nucleic；
First data acquisition module is used for：The pH value that collection pH tables are measured, and send it to analysis indicating module；
Second data acquisition module is used for：Total γ specific activitys that collection γ specific activity tables are measured, and send it to analysis
Indicating module；
The analysis indicating module is used for：According to the actual motion power of nuclear power plant's unit, the limit value of pH value, the limit value are set
Expect that lower limit X2, first expect higher limit X3, the first upper control limit value X4 including the first lower control limit value X1, first, and set
The limit value Z of fixed total γ specific activitys, as X2≤pH≤X3, represents that pH value index is normal；
Analysis indicating module is analyzed to pH value, if pH≤X1 or pH >=X4, it indicates that the second data acquisition module is carried out
Work, and total γ specific activitys are judged according to the limit value Z of total γ specific activitys, if total γ specific activitys >=Z, point out to take urgent
Measure, diagnosis terminates；If total γ specific activity ＜ Z, whether indication diagnosis pH tables are normal, if pH tables are abnormal, point out maintenance or more
Change pH tables, it is pending after, indicate that the first data acquisition module is operated；If pH tables are normal, diagnosis feedwater deaerator system is pointed out
Whether the ammonia residual of system ADG normal, if the ammonia residual of ADG is abnormal, points out the ammonia residual of adjustment ADG, it is pending after, indicate the
One data acquisition module is operated；If ADG ammonia residuals are normal, diagnosis ADG is pointed out to add hydrazine amount whether normal, if ADG adds connection
Ammonia amount is abnormal, point out adjustment ADG plus hydrazine amount, it is pending after, indicate the first data acquisition module be operated；If ADG
Plus hydrazine amount it is normal, analysis indicating module prompting diagnosis low-pressure feed heater system ABP whether gas leakage, if ABP gas leakage, carries
Show maintenance ABP, it is pending after, indicate the first data acquisition module be operated；If ABP is air tight, point out diagnosis condensate net
Whether the ammonia residual changed when processing system ATE puts into operation is normal；If ammonia residual when ATE puts into operation is normal, it is diagnosed as new
Event, indicates that fault logging module is operated, and diagnosis terminates；If ammonia residual when ATE puts into operation is abnormal, adjustment is pointed out
The ammonia residual of ATE, it is pending after, indicate the first data acquisition module be operated；
If X1<pH<Whether X2, analysis indicating module prompting diagnosis pH tables are normal, if pH tables are abnormal, point out maintenance or change pH
Table, it is pending after, indicate the first data acquisition module be operated；If pH tables are normal, diagnosis feedwater deaerator system ADG is pointed out
Ammonia residual it is whether normal, if the ammonia residual of ADG is abnormal, point out the ammonia residual of adjustment ADG, it is pending after, indicate that first counts
It is operated according to acquisition module；If ADG ammonia residuals are normal, diagnosis ADG is pointed out to add hydrazine amount whether normal, if ADG adds hydrazine amount
It is abnormal, point out adjustment ADG plus hydrazine amount, it is pending after, indicate the first data acquisition module be operated；If ADG's adds
Hydrazine amount is normal, analysis indicating module prompting diagnosis ABP whether gas leakage, if ABP gas leakage, points out maintenance ABP, it is pending after, refer to
Show that the first data acquisition module is operated；If ABP is air tight, whether ammonia residual when pointing out diagnosis ATE to put into operation is normal；
If ammonia residual when ATE puts into operation is normal, new events are diagnosed as, indicate that fault logging module is operated, diagnosis terminates；If
Ammonia residual when ATE puts into operation is abnormal, point out adjustment ATE ammonia residual, it is pending after, indicate the first data acquisition module
It is operated；
If X3<pH<Whether X4, analysis indicating module prompting diagnosis pH tables are normal, if pH tables are abnormal, point out maintenance or change pH
Table, it is pending after, indicate the first data acquisition module be operated；If pH tables are normal, whether just the ammonia residual of diagnosis APG is pointed out
Often, if the ammonia residual of APG is normal, point out the ammonia residual of diagnosis ADG whether normal, if the ammonia residual of ADG is abnormal, point out adjustment
The ammonia residual of ADG, it is pending after, indicate the first data acquisition module be operated；If APG ammonia residuals are abnormal, diagnosis is pointed out
Whether ADG adds hydrazine amount normal, if ADG adds hydrazine, amount is abnormal, point out adjustment ADG's plus hydrazine amount, it is pending after, indicate the
One data acquisition module is operated；
If the ammonia residual of ADG is normal, whether ammonia residual when pointing out diagnosis ATE to put into operation is normal；When if ATE puts into operation
Ammonia residual is normal, is diagnosed as new events, indicates that fault logging module is operated, and diagnosis terminates；If adding when ATE puts into operation
Ammonia amount is abnormal, point out adjustment ATE ammonia residual, it is pending after, indicate the first data acquisition module be operated；
If ADG adds hydrazine, and amount is abnormal, point out adjustment ADG plus hydrazine amount, it is pending after, indicate the first data acquisition module enter
Row work；If ADG adds hydrazine amount normal, whether ammonia residual when pointing out diagnosis ATE to put into operation is normal；If ATE puts into operation
When ammonia residual it is normal, be diagnosed as new events, indicate that fault logging module is operated, diagnosis terminates；If ATE puts into operation
Ammonia residual it is abnormal, point out adjustment ATE ammonia residual, it is pending after, indicate the first data acquisition module be operated；
The fault logging module is used for：Record fault detail content.
2. nuclear power plant's foul drainage system pH value Indexes Abnormality diagnostic device as claimed in claim 1, it is characterised in that described point
Actual motion power of the indicating module according to nuclear power plant's unit is analysed, the detailed process for setting the limit value of pH value is as follows：
When the 25% of the actual motion power >=rated power of nuclear power plant's unit, the first lower control limit value X1=of pH value is set
9.1st, first expects that lower limit X2=9.4, first expect higher limit X3=9.7, the first upper control limit value X4=9.8, when 9.4<
pH<When 9.7, represent that pH value index is normal.
3. nuclear power plant's foul drainage system pH value Indexes Abnormality diagnostic device as claimed in claim 2, it is characterised in that described point
Actual motion power of the indicating module according to nuclear power plant's unit is analysed, the detailed process for setting the limit value of pH value is as follows：
When the 25% of the actual motion power ＜ rated power of nuclear power plant's unit, the second lower control limit value X1=of pH value is set
8.9th, second expects that lower limit X2=9.4, second expect higher limit X3=9.7, the second upper control limit value X4=9.9, when 9.4<
pH<When 9.7, represent that pH value index is normal.
4. a kind of nuclear power plant's foul drainage system pH value Indexes Abnormality diagnostic method for being applied to device as claimed in claim 1, its
It is characterised by, comprises the following steps：
S1, according to the actual motion power of nuclear power plant's unit, set the limit value of pH value, the limit value includes the first lower control limit value
X1, first expect that lower limit X2, first expect higher limit X3, the first upper control limit value X4, as X2≤pH≤X3, represent pH value
Index is normal；
The pH value of S2, pH table on-line checking foul drainage system APG, the pH value that the first data collecting module collected pH table is measured, and
Analysis indicating module is sent it to, analysis indicating module is analyzed to pH value, if pH≤X1, goes to step S3；
If X1<pH<X2, goes to step S4；
If X3<pH<X4, goes to step S5；
If pH >=X4, step S3 is gone to；
Total γ specific activitys of S3, γ specific activity table on-line checking APG, what the second data collecting module collected γ specific activity table was measured
Total γ specific activitys, and analysis indicating module is sent it to, the limit value Z for analyzing indicating module according to total γ specific activitys is to total γ ratios
Activity is judged, if total γ specific activitys >=Z, prompting takes urgent measure, and diagnosis terminates；If total γ specific activity ＜ Z, go to step
Rapid S4；
Whether S4, analysis indicating module prompting diagnosis pH tables are normal, if pH tables are abnormal, point out maintenance or change pH tables, wait to locate
After reason, return to step S2；
If pH tables are normal, point out the ammonia residual of diagnosis feedwater deaerator system ADG whether normal, if the ammonia residual of ADG is abnormal,
Prompting adjustment ADG ammonia residual, it is pending after, return to step S2；
If ADG ammonia residuals are normal, diagnosis ADG is pointed out to add hydrazine amount whether normal, amount is abnormal if ADG adds hydrazine, points out adjustment
ADG plus hydrazine amount, it is pending after, return to step S2；
If ADG's plus hydrazine amount it is normal, the whether gas leakage of analysis indicating module prompting diagnosis low-pressure feed heater system ABP, if
ABP gas leakage, point out maintenance ABP, it is pending after, return to step S2；If ABP is air tight, step S6 is gone to；
Whether S5, analysis indicating module prompting diagnosis pH tables are normal, if pH tables are abnormal, point out maintenance or change pH tables, wait to locate
After reason, return to step S2；
If pH tables are normal, point out the ammonia residual for diagnosing APG whether normal, if the ammonia residual of APG is normal, point out adding for diagnosis ADG
Whether ammonia amount normal, if the ammonia residual of ADG is abnormal, points out the ammonia residual of adjustment ADG, it is pending after, return to step S2；If
The ammonia residual of ADG is normal, goes to step S6；
If APG ammonia residuals are abnormal, diagnosis ADG is pointed out to add hydrazine amount whether normal, amount is abnormal if ADG adds hydrazine, points out to adjust
Whole ADG plus hydrazine amount, it is pending after, return to step S2；
If ADG adds hydrazine amount normal, step S6 is gone to；
If ADG adds hydrazine, and amount is abnormal, point out adjustment ADG plus hydrazine amount, it is pending after, return to step S2；
Whether ammonia residual when S6, analysis indicating module prompting diagnosis condensate clean-up processing system ATE put into operation is normal；If
Ammonia residual when ATE puts into operation is normal, is diagnosed as new events, and analysis indicating module indicates that fault logging module record failure is detailed
Thin content, diagnosis terminates；If ammonia residual when ATE puts into operation is abnormal, point out adjustment ATE ammonia residual, it is pending after, return
Return step S2.
5. nuclear power plant's foul drainage system pH value Indexes Abnormality diagnostic method as claimed in claim 4, it is characterised in that according to core
The actual motion power of Power Plant, the detailed process for setting the limit value of pH value is as follows：
When the 25% of the actual motion power >=rated power of nuclear power plant's unit, the first lower control limit value X1=of pH value is set
9.1st, first expects that lower limit X2=9.4, first expect higher limit X3=9.7, the first upper control limit value X4=9.8, when 9.4<
pH<When 9.7, represent that pH value index is normal.
6. nuclear power plant's foul drainage system pH value Indexes Abnormality diagnostic method as claimed in claim 4, it is characterised in that according to core
The actual motion power of Power Plant, the detailed process for setting the limit value of pH value is as follows：
When the 25% of the actual motion power ＜ rated power of nuclear power plant's unit, the second lower control limit value X1=of pH value is set
8.9th, second expects that lower limit X2=9.4, second expect higher limit X3=9.7, the second upper control limit value X4=9.9, when 9.4<
pH<When 9.7, represent that pH value index is normal.
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| CN110133085A (en) * | 2019-05-22 | 2019-08-16 | 岭东核电有限公司 | Million kilowatt nuclear power station pH in-line meter test macro and method |
| CN111157694A (en) * | 2020-01-14 | 2020-05-15 | 长沙理工大学 | Diagnostic method for quality abnormity of blowdown water of steam generator of nuclear power plant |
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| JP2013148364A (en) * | 2012-01-17 | 2013-08-01 | Mitsubishi Heavy Ind Ltd | Radioactive waste liquid processor |
| CN103116344A (en) * | 2013-02-04 | 2013-05-22 | 三浦工业设备（苏州）有限公司 | Online boiler monitoring and management system |
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| CN111157694A (en) * | 2020-01-14 | 2020-05-15 | 长沙理工大学 | Diagnostic method for quality abnormity of blowdown water of steam generator of nuclear power plant |
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| CN106653114B (en) | 2018-04-20 |
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