CN106653120B - Nuclear power plant's condensate system dissolved oxygen Indexes Abnormality diagnostic device and method - Google Patents

Nuclear power plant's condensate system dissolved oxygen Indexes Abnormality diagnostic device and method Download PDF

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CN106653120B
CN106653120B CN201611123510.3A CN201611123510A CN106653120B CN 106653120 B CN106653120 B CN 106653120B CN 201611123510 A CN201611123510 A CN 201611123510A CN 106653120 B CN106653120 B CN 106653120B
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dissolved oxygen
oxygen content
diagnosis
module
data acquisition
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CN106653120A (en
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李�杰
曹中才
白喆
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Research Institute of Nuclear Power Operation
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Research Institute of Nuclear Power Operation
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    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C17/00—Monitoring; Testing ; Maintaining
    • G21C17/02—Devices or arrangements for monitoring coolant or moderator
    • G21C17/022—Devices or arrangements for monitoring coolant or moderator for monitoring liquid coolants or moderators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

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  • General Engineering & Computer Science (AREA)
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  • Monitoring And Testing Of Nuclear Reactors (AREA)

Abstract

The invention discloses a kind of nuclear power plant's condensate system dissolved oxygen Indexes Abnormality diagnostic device and method, is related to nuclear power plant's secondary circuit chemical index abnormity diagnosis field.The device includes a dissolved oxygen table, one sodium table, four positive electricity conductance tables, one analysis indicating module, one fault logging module, and the first data acquisition module being connected with dissolved oxygen table, the second data acquisition module being connected with sodium table, the 3rd data acquisition module being connected with four positive electricity conductance tables, it is described analysis indicating module respectively with first data acquisition module, second data acquisition module, 3rd data acquisition module, fault logging module is connected, wherein, the dissolved oxygen table, sodium table is respectively positioned on condensate pump outlet main pipe, the positive electricity conductance table is respectively positioned on condenser pipeline, each positive electricity conductance table corresponds to Steam Condenser Leak point at one.The present invention can effectively improve the efficiency and accuracy of nuclear power plant's condensate system dissolved oxygen index diagnosis.

Description

Nuclear power plant's condensate system dissolved oxygen Indexes Abnormality diagnostic device and method
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 condenses water system System dissolved oxygen Indexes Abnormality diagnostic device and method.
Background technology
At present, when the situation for deviateing technical specification occurs in the dissolved oxygen index of nuclear power plant's unit condensate system, usually By specialty chemical personnel experience and handled according to power plant's relevant operation code.Country greatly develops nuclear power, core at present Power station is more and more, but in terms of nuclear power plant's secondary circuit index diagnostic techniques, the chemical work personnel for possessing rich experiences show Obtain relatively deficient；On the other hand, staff generally carries out relevant abnormalities processing with reference to concrete operations code, but often actual Condition element it is inconsistent with precondition that operational procedure requires, cause relevant treatment complicated, so as to cause to diagnose Efficiency and accuracy it is relatively low.
The content of the invention
The purpose of the invention is to overcome the shortcomings of above-mentioned background technology, there is provided a kind of nuclear power plant's condensate system dissolving Oxygen Indexes Abnormality diagnostic device and method, the device and method can effectively improve nuclear power plant's condensate system dissolved oxygen index The efficiency and accuracy of diagnosis.
The present invention provides a kind of nuclear power plant's condensate system dissolved oxygen Indexes Abnormality diagnostic device, and the device is molten including one Oxygen table, a sodium table, four positive electricity conductance tables, one analysis indicating module, a fault logging module, and with dissolved oxygen table phase The first data acquisition module even, the second data acquisition module being connected with sodium table, be connected with four positive electricity conductance tables the Three data acquisition modules, the analysis indicating module respectively with first data acquisition module, the second data acquisition module, the Three data acquisition modules, fault logging module are connected, wherein, the dissolved oxygen table, sodium table are respectively positioned on condensate pump outlet main pipe, The positive electricity conductance table is respectively positioned on condenser pipeline, and each positive electricity conductance table corresponds to Steam Condenser Leak point at one；
The dissolved oxygen table is used for：Dissolved oxygen content at on-line checking condensate pump outlet main pipe；
First data acquisition module is used for：The dissolved oxygen content that collection dissolved oxygen table measures, and dissolved oxygen content is sent out Give analysis indicating module；
The sodium table is used for：The Na ion concentration of on-line checking condensate system；
Second data acquisition module is used for：The Na ion concentration that collection sodium table measures, and Na ion concentration is sent Give analysis indicating module；
The positive electricity conductance table is used for：Detect the positive electricity conductance λ of condenser piping+；
3rd data acquisition module is used for：The positive electricity conductance λ that collection positive electricity conductance table measures+, and by λ+It is sent to point Analyse indicating module；
The analysis indicating module is used for：According to the actual operating state of nuclear power plant's unit, setting condensate system dissolving The controlling value X1 and desired value X2 of oxygen content, and condensate system Na ion concentration limit value Y, the positive electricity conductance of condenser piping Limit value Z；
Dissolved oxygen content is judged, if dissolved oxygen content >=X1, analysis indicating module prompting takes measures as early as possible Return in limit value；If X2≤dissolved oxygen content<X1, the second data acquisition module of instruction works, if dissolved oxygen contains Amount<X2, then it represents that dissolved oxygen content is normal, and diagnosis terminates；
Na ion concentration is judged, if Na ion concentration>Y, the 3rd data acquisition module of instruction work；Such as Fruit Na ion concentration≤Y, prompts diagnosis condensate system CEX whether pipeline sealing is good；
To the λ of each positive electricity conductance table measure+Judged, if it is decided that wherein one or more positive electricity conductance tables measure λ+>=Z, then determine Steam Condenser Leak point according to judgement result, prompts maintenance Steam Condenser Leak point；After the completion of Awaiting Overhaul, first Data acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and processing are arranged Apply, diagnosis terminates；If X2≤dissolved oxygen content<X1, analysis indicating module are diagnosed as new events, and instruction fault logging module carries out Work；
If the λ that all positive electricity conductance tables measure+<Z, analysis indicating module are diagnosed as new events, and indicate that failure is remembered Record module works；
The fault logging module is used for：Record fault detail content.
Based on the above technical solutions, the analysis indicating module is additionally operable to：
When CEX pipelines sealing is bad, prompt maintenance condensate system CEX pipelines, wait it is pending after, the first data are adopted Collection module resurveys dissolved oxygen content, if the dissolved oxygen content that the first data acquisition module resurveys<X2, exports oxygen table number Value, failure cause and treatment measures, diagnosis terminate；If X2≤dissolved oxygen content<X1, prompts diagnosis condensate pump to extrude the mouth of pipe close Whether envelope is good；
During the CEX pipelines good seal, directly whether good prompting diagnosis condensate pump extrudes ferrule；
If condensate pump extrude ferrule it is bad, prompt maintenance condensate pump extrude the mouth of pipe, wait it is pending after, first Data acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and processing are arranged Apply, diagnosis terminates；If X2≤dissolved oxygen content<Whether X1, prompt the intake line sealing of diagnosis condensate pump good；
If condensate pump extrudes mouth of pipe good seal, whether directly prompting diagnosis condensate pump intake line sealing is good It is good；
If the sealing of condensate pump intake line is bad, maintenance condensate pump intake line is prompted, after pending, the first number Dissolved oxygen content is resurveyed according to acquisition module, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, Diagnosis terminates；If X2≤dissolved oxygen content<X1, prompts whether diagnosis condensate pump housing leaks；
If condensate pump intake line good seal, directly whether prompting diagnosis condensate pump housing leaks.
Based on the above technical solutions, the analysis indicating module is additionally operable to：
When the condensate pump housing leaks, analysis indicating module prompting, which starts stand-by pump and overhauls, has damaged pump, etc. After pending, the first data acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, output oxygen table numerical value, failure Reason and treatment measures, diagnosis terminate；If X2≤dissolved oxygen content<Whether X1, prompt the sealing of diagnosis condenser good and diagnose Whether conventional island desalination water distribution system SER dissolved oxygen contents are abnormal；
When the condensate pump housing does not leak, whether analysis indicating module directly prompts diagnosis condenser sealing good Whether and it is abnormal to diagnose conventional island desalination water distribution system SER dissolved oxygen contents.
Based on the above technical solutions, the analysis indicating module is additionally operable to：
When the condenser seals bad, the valve state being connected with vacuum system is overhauled in analysis indicating module prompting, etc. After pending, the first data acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, output oxygen table numerical value, failure Reason and treatment measures, diagnosis terminate；If X2≤dissolved oxygen content<Whether X1, prompt diagnosis condenser supercooling degree excessive；
During the condenser good seal, directly whether prompting diagnosis condenser supercooling degree is excessive；
If condenser supercooling spend greatly, prompt adjustment condenser supercooling degree, wait it is pending after, the first data acquisition module Dissolved oxygen content is resurveyed, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, diagnosis terminate； If X2≤dissolved oxygen content<X1, prompts diagnosis SER whether systematic pipeline sealing is good；
If condenser supercooling degree is normal, whether directly prompting diagnosis SER systematic pipelines sealing is good；
Prompting check each valve state of SER pipelines, wait it is pending after, the first data acquisition module resurveys dissolved oxygen and contains Amount, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, diagnosis terminate；If X2≤dissolved oxygen content< X1, analysis indicating module is diagnosed as new events, and indicates that fault logging module works.
Based on the above technical solutions, the analysis indicating module is additionally operable to：
When the conventional island desalination water distribution system SER dissolved oxygen contents are abnormal, prompting moisturizing handles again or moisturizing is beaten Enter oxygen-eliminating device, wait it is pending after, the first data acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, exports oxygen Table numerical value, failure cause and treatment measures, diagnosis terminate；If X2≤dissolved oxygen content<X1, prompts diagnosis gland heater hydrophobic Whether dissolved oxygen content is abnormal；
When the SER dissolved oxygen contents are normal, directly whether the hydrophobic dissolved oxygen content of prompting diagnosis gland heater is abnormal；
If the hydrophobic dissolved oxygen content of gland heater is abnormal, prompts maintenance gland heater air-tightness and squeezed into hydrophobic Oxygen-eliminating device, wait it is pending after, the first data acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, exports oxygen table Numerical value, failure cause and treatment measures, diagnosis terminate；If X2≤dissolved oxygen content<X1, prompts diagnosis low-pressure feed heater system Whether the hydrophobic dissolved oxygen contents of ABP of uniting are abnormal；
If the hydrophobic dissolved oxygen content of gland heater is normal, directly whether the prompting diagnosis hydrophobic dissolved oxygen contents of ABP are different Often；
Prompting maintenance ABP air-tightness simultaneously squeeze into oxygen-eliminating device by hydrophobic, wait it is pending after, the first data acquisition module is adopted again Collect dissolved oxygen content, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, diagnosis terminate；If X2≤ Dissolved oxygen content<X1, analysis indicating module is diagnosed as new events, and indicates that fault logging module works；
Analysis indicating module is diagnosed as new events, and indicates that fault logging module works.
The present invention provides a kind of nuclear power plant's condensate system dissolved oxygen Indexes Abnormality diagnostic method applied to above device, Comprise the following steps：
S1, the actual operating state according to nuclear power plant's unit, set condensate system dissolved oxygen content controlling value X1 and Desired value X2, and the positive electricity conductance limit value Z of condensate system Na ion concentration limit value Y, condenser piping；
Dissolved oxygen content at S2, dissolved oxygen table on-line checking condensate pump outlet main pipe, the first data collecting module collected The dissolved oxygen content that dissolved oxygen table measures, and dissolved oxygen content is sent to analysis indicating module, analysis indicating module is to dissolved oxygen Content is judged, if dissolved oxygen content >=X1, analysis indicating module prompting takes measures to return in limit value as early as possible；If X2≤dissolved oxygen content<X1, goes to step S3, if dissolved oxygen content<X2, then it represents that dissolved oxygen content is normal, and diagnosis terminates；
When S3, the dissolved oxygen table are working properly, Na ion concentration that the second data collecting module collected sodium table measures, and will Na ion concentration is sent to analysis indicating module；
When dissolved oxygen table work occurs abnormal, analysis indicating module prompting maintenance dissolved oxygen table, wait it is pending after, the first number Dissolved oxygen content is resurveyed according to acquisition module, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, Diagnosis terminates；If X2≤dissolved oxygen content<X1, the Na ion concentration that the second data collecting module collected sodium table measures, and by sodium Ion concentration is sent to analysis indicating module；
Analysis indicating module judges Na ion concentration, if Na ion concentration>Y, goes to step S4；If sodium from Sub- concentration≤Y, prompts diagnosis condensate system CEX whether pipeline sealing is good；
S4, four positive electricity conductance tables detect the positive electricity conductance λ of condenser piping+, the 3rd data collecting module collected is each The positive electricity conductance λ that positive electricity conductance table measures+, and by λ+Analysis indicating module is sent to, analysis indicating module is to each positive electricity conductance The λ of table measure+Judged, if it is decided that the λ that wherein one or more positive electricity conductance tables measure+>=Z, then according to judgement result Determine Steam Condenser Leak point, prompt maintenance Steam Condenser Leak point；After the completion of Awaiting Overhaul, the first data acquisition module resurveys molten Oxygen content is solved, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, diagnosis terminate；If X2≤dissolving Oxygen content<X1, analysis indicating module are diagnosed as new events, instruction fault logging module record fault detail content；
If the λ that all positive electricity conductance tables measure+<Z, analysis indicating module are diagnosed as new events, and indicate that failure is remembered Record module record fault detail content.
Based on the above technical solutions, procedure below is further included between step S3 and step S4：
When CEX pipelines sealing is bad, prompt maintenance condensate system CEX pipelines, wait it is pending after, the first data are adopted Collection module resurveys dissolved oxygen content, if the dissolved oxygen content that the first data acquisition module resurveys<X2, exports oxygen table number Value, failure cause and treatment measures, diagnosis terminate；If X2≤dissolved oxygen content<X1, prompts diagnosis condensate pump to extrude the mouth of pipe close Whether envelope is good；
During the CEX pipelines good seal, directly whether good prompting diagnosis condensate pump extrudes ferrule；
If condensate pump extrude ferrule it is bad, prompt maintenance condensate pump extrude the mouth of pipe, wait it is pending after, first Data acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and processing are arranged Apply, diagnosis terminates；If X2≤dissolved oxygen content<Whether X1, prompt the intake line sealing of diagnosis condensate pump good；
If condensate pump extrudes mouth of pipe good seal, whether directly prompting diagnosis condensate pump intake line sealing is good It is good；
If the sealing of condensate pump intake line is bad, maintenance condensate pump intake line is prompted, after pending, the first number Dissolved oxygen content is resurveyed according to acquisition module, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, Diagnosis terminates；If X2≤dissolved oxygen content<X1, prompts whether diagnosis condensate pump housing leaks；
If condensate pump intake line good seal, directly whether prompting diagnosis condensate pump housing leaks.
Based on the above technical solutions, procedure below is further included between step S3 and step S4：
When the condensate pump housing leaks, analysis indicating module prompting, which starts stand-by pump and overhauls, has damaged pump, etc. After pending, the first data acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, output oxygen table numerical value, failure Reason and treatment measures, diagnosis terminate；If X2≤dissolved oxygen content<Whether X1, prompt the sealing of diagnosis condenser good and diagnose Whether conventional island desalination water distribution system SER dissolved oxygen contents are abnormal；
When the condensate pump housing does not leak, whether analysis indicating module directly prompts diagnosis condenser sealing good Whether and it is abnormal to diagnose conventional island desalination water distribution system SER dissolved oxygen contents.
Based on the above technical solutions, procedure below is further included between step S3 and step S4：
When the condenser seals bad, the valve state being connected with vacuum system is overhauled in analysis indicating module prompting, etc. After pending, the first data acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, output oxygen table numerical value, failure Reason and treatment measures, diagnosis terminate；If X2≤dissolved oxygen content<Whether X1, prompt diagnosis condenser supercooling degree excessive；
During the condenser good seal, directly whether prompting diagnosis condenser supercooling degree is excessive；
If condenser supercooling spend greatly, prompt adjustment condenser supercooling degree, wait it is pending after, the first data acquisition module Dissolved oxygen content is resurveyed, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, diagnosis terminate； If X2≤dissolved oxygen content<X1, prompts diagnosis SER whether systematic pipeline sealing is good；
If condenser supercooling degree is normal, whether directly prompting diagnosis SER systematic pipelines sealing is good；
Prompting check each valve state of SER pipelines, wait it is pending after, the first data acquisition module resurveys dissolved oxygen and contains Amount, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, diagnosis terminate；If X2≤dissolved oxygen content< X1, analysis indicating module are diagnosed as new events, and indicate that fault logging module records fault detail content.
Based on the above technical solutions, procedure below is further included between step S3 and step S4：
When the conventional island desalination water distribution system SER dissolved oxygen contents are abnormal, prompting moisturizing handles again or moisturizing is beaten Enter oxygen-eliminating device, wait it is pending after, the first data acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, exports oxygen Table numerical value, failure cause and treatment measures, diagnosis terminate；If X2≤dissolved oxygen content<X1, prompts diagnosis gland heater hydrophobic Whether dissolved oxygen content is abnormal；
When the SER dissolved oxygen contents are normal, directly whether the hydrophobic dissolved oxygen content of prompting diagnosis gland heater is abnormal；
If the hydrophobic dissolved oxygen content of gland heater is abnormal, prompts maintenance gland heater air-tightness and squeezed into hydrophobic Oxygen-eliminating device, wait it is pending after, the first data acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, exports oxygen table Numerical value, failure cause and treatment measures, diagnosis terminate；If X2≤dissolved oxygen content<X1, prompts diagnosis low-pressure feed heater system Whether the hydrophobic dissolved oxygen contents of ABP of uniting are abnormal；
If the hydrophobic dissolved oxygen content of gland heater is normal, directly whether the prompting diagnosis hydrophobic dissolved oxygen contents of ABP are different Often；
Prompting maintenance ABP air-tightness simultaneously squeeze into oxygen-eliminating device by hydrophobic, wait it is pending after, the first data acquisition module is adopted again Collect dissolved oxygen content, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, diagnosis terminate；If X2≤ Dissolved oxygen content<X1, analysis indicating module are diagnosed as new events, and indicate that fault logging module records fault detail content.
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 condensate system dissolved oxygen Indexes Abnormality of complete set and examines Disconnected method, the diagnostic device are detected the relevant parameter of dissolved oxygen index using in-line meter, binding analysis indicating module And fault logging module, the testing result of various in-line meters is analyzed, and operation indicating is provided automatically, realization exists automatically Radiodiagnosis x.When there is the problem of inline diagnosis can't resolve, analysis indicating module is diagnosed as new events, indicates failure logging mould Block is recorded, and the content of record forms a diagnostic knowledge base, in order to by diagnostic device or method according to nuclear power plant Real-world operation is optimized and improved, and diagnostic device and diagnostic method is persistently suitable for the operation shape of nuclear power generating sets reality State and diagnosis effect, effectively improve the efficiency and accuracy of diagnosis.
Brief description of the drawings
Fig. 1 is the flow chart of center power plant condensation water system dissolved oxygen Indexes Abnormality diagnostic method of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is described in further detail.
The embodiment of the present invention provides a kind of nuclear power plant's condensate system dissolved oxygen Indexes Abnormality diagnostic device, which includes One group of on-line analysis instrument, on-line analysis instrument include a dissolved oxygen table, a sodium table, four positive electricity conductance tables, on-line analysis Instrument detects corresponding indices in real time；The device further include analysis indicating module, fault logging module, and with dissolved oxygen table Connected the first data acquisition module, the second data acquisition module for being connected with sodium table, be connected with four positive electricity conductance tables 3rd data acquisition module, analysis indicating module respectively with the first data acquisition module, the second data acquisition module, the 3rd data Acquisition module, fault logging module are connected, wherein, dissolved oxygen table, sodium table are respectively positioned on condensate pump outlet main pipe, positive electricity conductance table Condenser pipeline is respectively positioned on, each positive electricity conductance table corresponds to Steam Condenser Leak point at one；
Dissolved oxygen table is used for：Dissolved oxygen content at on-line checking condensate pump outlet main pipe；
First data acquisition module is used for：The dissolved oxygen content that collection dissolved oxygen table measures, and dissolved oxygen content is sent to Analyze indicating module；
Sodium table is used for：The Na ion concentration of on-line checking condensate system；
Second data acquisition module is used for：The Na ion concentration that measures of collection sodium table, and Na ion concentration is sent to point Analyse indicating module；
Positive electricity conductance table is used for：Detect the positive electricity conductance λ of condenser piping+；
3rd data acquisition module is used for：The positive electricity conductance λ that collection positive electricity conductance table measures+, and by λ+Analysis is sent to refer to Show module；
Analysis indicating module is used for：According to the actual operating state of nuclear power plant's unit, setting condensate system dissolved oxygen contains The controlling value X1 and desired value X2 of amount, and the positive electricity conductance limit value of condensate system Na ion concentration limit value Y, condenser piping Z；
The controlling value X1 of condensate system dissolved oxygen content can be 10g/kg, and desired value X2 can be 3g/kg, condensation water System Na ion concentration limit value Y can be that 5 μ g/L, the positive electricity conductance limit value Z of condenser piping can be 1 μ S/cm；
Dissolved oxygen content is judged, if dissolved oxygen content >=X1, analysis indicating module prompting takes measures as early as possible Return in limit value；If X2≤dissolved oxygen content<X1, the second data acquisition module of instruction works, if dissolved oxygen contains Amount<X2, then it represents that dissolved oxygen content is normal, and diagnosis terminates；
Na ion concentration is judged, if Na ion concentration>Y, the 3rd data acquisition module of instruction work；Such as Fruit Na ion concentration≤Y, prompts diagnosis condensate system CEX whether pipeline sealing is good；
CEX pipelines sealing it is bad when, prompt maintenance condensate system CEX pipelines, wait it is pending after, the first data acquisition module Block resurveys dissolved oxygen content, if the dissolved oxygen content that the first data acquisition module resurveys<X2, output oxygen table numerical value, Failure cause and treatment measures, diagnosis terminate；If X2≤dissolved oxygen content<X1, prompts diagnosis condensate pump to extrude ferrule It is whether good；
During CEX pipeline good seals, directly whether good prompting diagnosis condensate pump extrudes ferrule；
If condensate pump extrude ferrule it is bad, prompt maintenance condensate pump extrude the mouth of pipe, wait it is pending after, first Data acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and processing are arranged Apply, diagnosis terminates；If X2≤dissolved oxygen content<Whether X1, prompt the intake line sealing of diagnosis condensate pump good；
If condensate pump extrudes mouth of pipe good seal, whether directly prompting diagnosis condensate pump intake line sealing is good It is good；
If the sealing of condensate pump intake line is bad, maintenance condensate pump intake line is prompted, after pending, the first number Dissolved oxygen content is resurveyed according to acquisition module, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, Diagnosis terminates；If X2≤dissolved oxygen content<X1, prompts whether diagnosis condensate pump housing leaks；
If condensate pump intake line good seal, directly whether prompting diagnosis condensate pump housing leaks；
When condensate pump housing leaks, analysis indicating module prompting, which starts stand-by pump and overhauls, has damaged pump, at wait After reason, the first data acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause And treatment measures, diagnosis terminate；If X2≤dissolved oxygen content<Whether X1, prompt the sealing of diagnosis condenser good and diagnose routine Whether island desalination water distribution system SER dissolved oxygen contents are abnormal；
When condensate pump housing does not leak, whether analysis indicating module is directly prompted the sealing of diagnosis condenser good and is examined Whether disconnected SER dissolved oxygen contents are abnormal；
To the λ of each positive electricity conductance table measure+Judged, if it is decided that wherein one or more positive electricity conductance tables measure λ+>=Z, then determine Steam Condenser Leak point according to judgement result, prompts maintenance Steam Condenser Leak point；After the completion of Awaiting Overhaul, first Data acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and processing are arranged Apply, diagnosis terminates；If X2≤dissolved oxygen content<X1, analysis indicating module are diagnosed as new events, and instruction fault logging module carries out Work；
If the λ that all positive electricity conductance tables measure+<Z, analysis indicating module are diagnosed as new events, and indicate that failure is remembered Record module works.
Fault logging module is used for：Record fault detail content.
Analysis indicating module is additionally operable to：
When condenser sealing is bad, the valve state that is connected with vacuum system of analysis indicating module prompting maintenance, at wait After reason, the first data acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause And treatment measures, diagnosis terminate；If X2≤dissolved oxygen content<Whether X1, prompt diagnosis condenser supercooling degree excessive；
During condenser good seal, directly whether prompting diagnosis condenser supercooling degree is excessive；
If condenser supercooling spend greatly, prompt adjustment condenser supercooling degree, wait it is pending after, the first data acquisition module Dissolved oxygen content is resurveyed, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, diagnosis terminate； If X2≤dissolved oxygen content<X1, prompts diagnosis SER whether systematic pipeline sealing is good；
If condenser supercooling degree is normal, whether directly prompting diagnosis SER systematic pipelines sealing is good；
Prompting check each valve state of SER pipelines, wait it is pending after, the first data acquisition module resurveys dissolved oxygen and contains Amount, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, diagnosis terminate；If X2≤dissolved oxygen content< X1, analysis indicating module is diagnosed as new events, and indicates that fault logging module works.
Analysis indicating module is additionally operable to：
When conventional island desalination water distribution system SER dissolved oxygen contents are abnormal, prompting moisturizing handles again or moisturizing is squeezed into and removed Oxygen device, wait it is pending after, the first data acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, exports oxygen table number Value, failure cause and treatment measures, diagnosis terminate；If X2≤dissolved oxygen content<X1, prompts the diagnosis hydrophobic dissolving of gland heater Whether oxygen content is abnormal；
When SER dissolved oxygen contents are normal, directly whether the hydrophobic dissolved oxygen content of prompting diagnosis gland heater is abnormal；
If the hydrophobic dissolved oxygen content of gland heater is abnormal, prompts maintenance gland heater air-tightness and squeezed into hydrophobic Oxygen-eliminating device, wait it is pending after, the first data acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, exports oxygen table Numerical value, failure cause and treatment measures, diagnosis terminate；If X2≤dissolved oxygen content<X1, prompts diagnosis low-pressure feed heater system Whether the hydrophobic dissolved oxygen contents of ABP of uniting are abnormal；
If the hydrophobic dissolved oxygen content of gland heater is normal, directly whether the prompting diagnosis hydrophobic dissolved oxygen contents of ABP are different Often；
Prompting maintenance ABP air-tightness simultaneously squeeze into oxygen-eliminating device by hydrophobic, wait it is pending after, the first data acquisition module is adopted again Collect dissolved oxygen content, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, diagnosis terminate；If X2≤ Dissolved oxygen content<X1, analysis indicating module is diagnosed as new events, and indicates that fault logging module works.
Analysis indicating module is diagnosed as new events, and indicates that fault logging module works.
The embodiment of the present invention provides a kind of nuclear power plant's condensate system dissolved oxygen Indexes Abnormality applied to above device and examines Disconnected method, comprises the following steps：
S1, the actual operating state according to nuclear power plant's unit, set condensate system dissolved oxygen content controlling value X1 and Desired value X2, and the positive electricity conductance limit value Z of condensate system Na ion concentration limit value Y, condenser piping；
Dissolved oxygen content at S2, dissolved oxygen table on-line checking condensate pump outlet main pipe, the first data collecting module collected The dissolved oxygen content that dissolved oxygen table measures, and dissolved oxygen content is sent to analysis indicating module, analysis indicating module is to dissolved oxygen Content is judged, if dissolved oxygen content >=X1, analysis indicating module prompting takes measures to return in limit value as early as possible；If X2≤dissolved oxygen content<X1, goes to step S3, if dissolved oxygen content<X2, then it represents that dissolved oxygen content is normal, and diagnosis terminates；
When S3, dissolved oxygen table are working properly, Na ion concentration that the second data collecting module collected sodium table measures, and by sodium from Sub- concentration is sent to analysis indicating module；
When the work of dissolved oxygen table occurs abnormal, analysis indicating module prompting maintenance dissolved oxygen table, wait it is pending after, the first data are adopted Collection module resurveys dissolved oxygen content, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, diagnosis Terminate；If X2≤dissolved oxygen content<X1, the Na ion concentration that the second data collecting module collected sodium table measures, and by sodium ion Concentration is sent to analysis indicating module；
Analysis indicating module judges Na ion concentration, if Na ion concentration>Y, goes to step S4；If sodium from Sub- concentration≤Y, prompts diagnosis condensate system CEX whether pipeline sealing is good；
CEX pipelines sealing it is bad when, prompt maintenance condensate system CEX pipelines, wait it is pending after, the first data acquisition module Block resurveys dissolved oxygen content, if the dissolved oxygen content that the first data acquisition module resurveys<X2, output oxygen table numerical value, Failure cause and treatment measures, diagnosis terminate；If X2≤dissolved oxygen content<X1, prompts diagnosis condensate pump to extrude ferrule It is whether good；
During CEX pipeline good seals, directly whether good prompting diagnosis condensate pump extrudes ferrule；
If condensate pump extrude ferrule it is bad, prompt maintenance condensate pump extrude the mouth of pipe, wait it is pending after, first Data acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and processing are arranged Apply, diagnosis terminates；If X2≤dissolved oxygen content<Whether X1, prompt the intake line sealing of diagnosis condensate pump good；
If condensate pump extrudes mouth of pipe good seal, whether directly prompting diagnosis condensate pump intake line sealing is good It is good；
If the sealing of condensate pump intake line is bad, maintenance condensate pump intake line is prompted, after pending, the first number Dissolved oxygen content is resurveyed according to acquisition module, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, Diagnosis terminates；If X2≤dissolved oxygen content<X1, prompts whether diagnosis condensate pump housing leaks；
If condensate pump intake line good seal, directly whether prompting diagnosis condensate pump housing leaks；
When condensate pump housing leaks, analysis indicating module prompting, which starts stand-by pump and overhauls, has damaged pump, at wait After reason, the first data acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause And treatment measures, diagnosis terminate；If X2≤dissolved oxygen content<Whether X1, prompt the sealing of diagnosis condenser good and diagnose routine Whether island desalination water distribution system SER dissolved oxygen contents are abnormal；
When condensate pump housing does not leak, whether analysis indicating module is directly prompted the sealing of diagnosis condenser good and is examined Whether disconnected conventional island desalination water distribution system SER dissolved oxygen contents are abnormal；
S4, four positive electricity conductance tables detect the positive electricity conductance λ of condenser piping+, the 3rd data collecting module collected is each The positive electricity conductance λ that positive electricity conductance table measures+, and by λ+Analysis indicating module is sent to, analysis indicating module is to each positive electricity conductance The λ of table measure+Judged, if it is decided that the λ that wherein one or more positive electricity conductance tables measure+>=Z, then according to judgement result Determine Steam Condenser Leak point, prompt maintenance Steam Condenser Leak point；After the completion of Awaiting Overhaul, the first data acquisition module resurveys molten Oxygen content is solved, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, diagnosis terminate；If X2≤dissolving Oxygen content<X1, analysis indicating module are diagnosed as new events, instruction fault logging module record fault detail content；
If the λ that all positive electricity conductance tables measure+<Z, analysis indicating module are diagnosed as new events, and indicate that failure is remembered Record module record fault detail content.
Procedure below is further included between step S3 and step S4：
When condenser sealing is bad, the valve state that is connected with vacuum system of analysis indicating module prompting maintenance, at wait After reason, the first data acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause And treatment measures, diagnosis terminate；If X2≤dissolved oxygen content<Whether X1, prompt diagnosis condenser supercooling degree excessive；
During condenser good seal, directly whether prompting diagnosis condenser supercooling degree is excessive；
If condenser supercooling spend greatly, prompt adjustment condenser supercooling degree, wait it is pending after, the first data acquisition module Dissolved oxygen content is resurveyed, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, diagnosis terminate； If X2≤dissolved oxygen content<X1, prompts diagnosis SER whether systematic pipeline sealing is good；
If condenser supercooling degree is normal, whether directly prompting diagnosis SER systematic pipelines sealing is good；
Prompting check each valve state of SER pipelines, wait it is pending after, the first data acquisition module resurveys dissolved oxygen and contains Amount, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, diagnosis terminate；If X2≤dissolved oxygen content< X1, analysis indicating module are diagnosed as new events, and indicate that fault logging module records fault detail content.
Procedure below is further included between step S3 and step S4：
When conventional island desalination water distribution system SER dissolved oxygen contents are abnormal, prompting moisturizing handles again or moisturizing is squeezed into and removed Oxygen device, wait it is pending after, the first data acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, exports oxygen table number Value, failure cause and treatment measures, diagnosis terminate；If X2≤dissolved oxygen content<X1, prompts the diagnosis hydrophobic dissolving of gland heater Whether oxygen content is abnormal；
When SER dissolved oxygen contents are normal, directly whether the hydrophobic dissolved oxygen content of prompting diagnosis gland heater is abnormal；
If the hydrophobic dissolved oxygen content of gland heater is abnormal, prompts maintenance gland heater air-tightness and squeezed into hydrophobic Oxygen-eliminating device, wait it is pending after, the first data acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, exports oxygen table Numerical value, failure cause and treatment measures, diagnosis terminate；If X2≤dissolved oxygen content<X1, prompts diagnosis low-pressure feed heater system Whether the hydrophobic dissolved oxygen contents of ABP of uniting are abnormal；
If the hydrophobic dissolved oxygen content of gland heater is normal, directly whether the prompting diagnosis hydrophobic dissolved oxygen contents of ABP are different Often；
Prompting maintenance ABP air-tightness simultaneously squeeze into oxygen-eliminating device by hydrophobic, wait it is pending after, the first data acquisition module is adopted again Collect dissolved oxygen content, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, diagnosis terminate；If X2≤ Dissolved oxygen content<X1, analysis indicating module are diagnosed as new events, and indicate that fault logging module records fault detail content.
If being diagnosed as new events, after staff's Artificial Diagnosis goes out result, the corresponding new diagnosis algorithm of the result is added Enter into the above 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 Type is within the scope of the claims in the present invention and its equivalent technologies, then these modifications and variations are also in protection scope of the present invention Within.
The prior art that the content not being described in detail in specification is known to the skilled person.

Claims (10)

  1. A kind of 1. nuclear power plant's condensate system dissolved oxygen Indexes Abnormality diagnostic device, it is characterised in that：The device is molten including one Oxygen table, a sodium table, four positive electricity conductance tables, one analysis indicating module, a fault logging module, and with dissolved oxygen table phase The first data acquisition module even, the second data acquisition module being connected with sodium table, be connected with four positive electricity conductance tables the Three data acquisition modules, the analysis indicating module respectively with first data acquisition module, the second data acquisition module, the Three data acquisition modules, fault logging module are connected, wherein, the dissolved oxygen table, sodium table are respectively positioned on condensate pump outlet main pipe, The positive electricity conductance table is respectively positioned on condenser pipeline, and each positive electricity conductance table corresponds to Steam Condenser Leak point at one；
    The dissolved oxygen table is used for：Dissolved oxygen content at on-line checking condensate pump outlet main pipe；
    First data acquisition module is used for：The dissolved oxygen content that collection dissolved oxygen table measures, and dissolved oxygen content is sent to Analyze indicating module；
    The sodium table is used for：The Na ion concentration of on-line checking condensate system；
    Second data acquisition module is used for：The Na ion concentration that measures of collection sodium table, and Na ion concentration is sent to point Analyse indicating module；
    The positive electricity conductance table is used for：Detect the positive electricity conductance λ of condenser piping+；
    3rd data acquisition module is used for：The positive electricity conductance λ that collection positive electricity conductance table measures+, and by λ+Analysis is sent to refer to Show module；
    The analysis indicating module is used for：According to the actual operating state of nuclear power plant's unit, setting condensate system dissolved oxygen contains The controlling value X1 and desired value X2 of amount, and the positive electricity conductance limit value of condensate system Na ion concentration limit value Y, condenser piping Z；
    Dissolved oxygen content is judged, if dissolved oxygen content >=X1, analysis indicating module prompting takes measures to recover as early as possible Into limit value；If X2≤dissolved oxygen content<X1, the second data acquisition module of instruction works, if dissolved oxygen content< X2, then it represents that dissolved oxygen content is normal, and diagnosis terminates；
    Na ion concentration is judged, if Na ion concentration>Y, the 3rd data acquisition module of instruction work；If sodium Ion concentration≤Y, prompts diagnosis condensate system CEX whether pipeline sealing is good；
    To the λ of each positive electricity conductance table measure+Judged, if it is decided that the λ that wherein one or more positive electricity conductance tables measure+ >=Z, then determine Steam Condenser Leak point according to judgement result, prompts maintenance Steam Condenser Leak point；After the completion of Awaiting Overhaul, the first data Acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, is examined It is disconnected to terminate；If X2≤dissolved oxygen content<X1, analysis indicating module are diagnosed as new events, and instruction fault logging module works；
    If the λ that all positive electricity conductance tables measure+<Z, analysis indicating module is diagnosed as new events, and indicates fault logging module Work；
    The fault logging module is used for：Record fault detail content.
  2. 2. nuclear power plant's condensate system dissolved oxygen Indexes Abnormality diagnostic device as claimed in claim 1, it is characterised in that described Analysis indicating module is additionally operable to：
    When CEX pipelines sealing is bad, prompt maintenance condensate system CEX pipelines, wait it is pending after, the first data acquisition module Block resurveys dissolved oxygen content, if the dissolved oxygen content that the first data acquisition module resurveys<X2, output oxygen table numerical value, Failure cause and treatment measures, diagnosis terminate；If X2≤dissolved oxygen content<X1, prompts diagnosis condensate pump to extrude ferrule It is whether good；
    During the CEX pipelines good seal, directly whether good prompting diagnosis condensate pump extrudes ferrule；
    If condensate pump extrude ferrule it is bad, prompt maintenance condensate pump extrude the mouth of pipe, wait it is pending after, the first data Acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, is examined It is disconnected to terminate；If X2≤dissolved oxygen content<Whether X1, prompt the intake line sealing of diagnosis condensate pump good；
    If condensate pump extrudes mouth of pipe good seal, whether directly prompting diagnosis condensate pump intake line sealing is good；
    If the sealing of condensate pump intake line is bad, maintenance condensate pump intake line is prompted, after pending, the first data are adopted Collection module resurveys dissolved oxygen content, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, diagnosis Terminate；If X2≤dissolved oxygen content<X1, prompts whether diagnosis condensate pump housing leaks；
    If condensate pump intake line good seal, directly whether prompting diagnosis condensate pump housing leaks.
  3. 3. nuclear power plant's condensate system dissolved oxygen Indexes Abnormality diagnostic device as claimed in claim 1, it is characterised in that described Analysis indicating module is additionally operable to：
    When the condensate pump housing leaks, analysis indicating module prompting, which starts stand-by pump and overhauls, has damaged pump, at wait After reason, the first data acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause And treatment measures, diagnosis terminate；If X2≤dissolved oxygen content<Whether X1, prompt the sealing of diagnosis condenser good and diagnose SE R Whether system (conventional island desalination water distribution system) dissolved oxygen content is abnormal；
    When the condensate pump housing does not leak, whether analysis indicating module is directly prompted the sealing of diagnosis condenser good and is examined Whether disconnected SE R system (conventional island desalination water distribution system) dissolved oxygen content is abnormal.
  4. 4. nuclear power plant's condensate system dissolved oxygen Indexes Abnormality diagnostic device as claimed in claim 1, it is characterised in that described Analysis indicating module is additionally operable to：
    When condenser sealing is bad, valve state that analysis indicating module prompting maintenance is connected with vacuum system, at wait After reason, the first data acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause And treatment measures, diagnosis terminate；If X2≤dissolved oxygen content<Whether X1, prompt diagnosis condenser supercooling degree excessive；
    During the condenser good seal, directly whether prompting diagnosis condenser supercooling degree is excessive；
    If condenser supercooling spend greatly, prompt adjustment condenser supercooling degree, wait it is pending after, the first data acquisition module is again Dissolved oxygen content is gathered, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, diagnosis terminate；If X2 ≤ dissolved oxygen content<X1, prompts diagnosis SER whether systematic pipeline sealing is good；
    If condenser supercooling degree is normal, whether directly prompting diagnosis SER systematic pipelines sealing is good；
    Prompting check each valve state of SER systematic pipelines, wait it is pending after, the first data acquisition module resurveys dissolved oxygen and contains Amount, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, diagnosis terminate；If X2≤dissolved oxygen content< X1, analysis indicating module is diagnosed as new events, and indicates that fault logging module works.
  5. 5. nuclear power plant's condensate system dissolved oxygen Indexes Abnormality diagnostic device as claimed in claim 3, it is characterised in that described Analysis indicating module is additionally operable to：
    When SE R systems (the conventional island desalination water distribution system) dissolved oxygen content is abnormal, prompting moisturizing handles again or moisturizing Squeeze into oxygen-eliminating device, wait it is pending after, the first data acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, output Oxygen table numerical value, failure cause and treatment measures, diagnosis terminate；If X2≤dissolved oxygen content<X1, prompts diagnosis gland heater to dredge Whether water dissolved oxygen content is abnormal；
    When the SER systems dissolved oxygen content is normal, directly whether the hydrophobic dissolved oxygen content of prompting diagnosis gland heater is abnormal；
    If the hydrophobic dissolved oxygen content of gland heater is abnormal, prompts maintenance gland heater air-tightness and squeeze into deoxygenation by hydrophobic Device, wait it is pending after, the first data acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, exports oxygen table number Value, failure cause and treatment measures, diagnosis terminate；If X2≤dissolved oxygen content<X1, prompts diagnosis ABP systems that (low pressure feed water adds Hot device system ABP) whether hydrophobic dissolved oxygen content abnormal；
    If the hydrophobic dissolved oxygen content of gland heater is normal, directly whether the prompting diagnosis hydrophobic dissolved oxygen content of ABP systems is different Often；
    Prompting maintenance ABP systems air-tightness simultaneously squeeze into oxygen-eliminating device by hydrophobic, wait it is pending after, the first data acquisition module is adopted again Collect dissolved oxygen content, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, diagnosis terminate；If X2≤ Dissolved oxygen content<X1, analysis indicating module is diagnosed as new events, and indicates that fault logging module works；
    Analysis indicating module is diagnosed as new events, and indicates that fault logging module works.
  6. 6. a kind of nuclear power plant's condensate system dissolved oxygen Indexes Abnormality diagnostic method applied to device as claimed in claim 1, It is characterised in that it includes following steps：
    S1, the actual operating state according to nuclear power plant's unit, set controlling value X1 and the expectation of condensate system dissolved oxygen content Value X2, and the positive electricity conductance limit value Z of condensate system Na ion concentration limit value Y, condenser piping；
    Dissolved oxygen content at S2, dissolved oxygen table on-line checking condensate pump outlet main pipe, the first data collecting module collected dissolved oxygen The dissolved oxygen content that table measures, and dissolved oxygen content is sent to analysis indicating module, analysis indicating module is to dissolved oxygen content Judged, if dissolved oxygen content >=X1, analysis indicating module prompting takes measures to return in limit value as early as possible；If X2≤ Dissolved oxygen content<X1, goes to step S3, if dissolved oxygen content<X2, then it represents that dissolved oxygen content is normal, and diagnosis terminates；
    When S3, the dissolved oxygen table are working properly, Na ion concentration that the second data collecting module collected sodium table measures, and by sodium from Sub- concentration is sent to analysis indicating module；
    When dissolved oxygen table work occurs abnormal, analysis indicating module prompting maintenance dissolved oxygen table, wait it is pending after, the first data are adopted Collection module resurveys dissolved oxygen content, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, diagnosis Terminate；If X2≤dissolved oxygen content<X1, the Na ion concentration that the second data collecting module collected sodium table measures, and by sodium ion Concentration is sent to analysis indicating module；
    Analysis indicating module judges Na ion concentration, if Na ion concentration>Y, goes to step S4；If sodium ion is dense Degree≤Y, prompts diagnosis condensate system CEX whether pipeline sealing is good；
    S4, four positive electricity conductance tables detect the positive electricity conductance λ of condenser piping+, the 3rd each positive electricity of data collecting module collected leads The positive electricity conductance λ that rate table measures+, and by λ+Analysis indicating module is sent to, analysis indicating module measures each positive electricity conductance table λ+Judged, if it is decided that the λ that wherein one or more positive electricity conductance tables measure+>=Z, then determine to coagulate according to judgement result Vapour device leakage point, prompts maintenance Steam Condenser Leak point；After the completion of Awaiting Overhaul, the first data acquisition module resurveys dissolved oxygen and contains Amount, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, diagnosis terminate；If X2≤dissolved oxygen content< X1, analysis indicating module are diagnosed as new events, instruction fault logging module record fault detail content；
    If the λ that all positive electricity conductance tables measure+<Z, analysis indicating module is diagnosed as new events, and indicates fault logging module Record fault detail content.
  7. 7. nuclear power plant's condensate system dissolved oxygen Indexes Abnormality diagnostic method as claimed in claim 6, it is characterised in that step Procedure below is further included between S3 and step S4：
    When CEX pipelines sealing is bad, prompt maintenance condensate system CEX pipelines, wait it is pending after, the first data acquisition module Block resurveys dissolved oxygen content, if the dissolved oxygen content that the first data acquisition module resurveys<X2, output oxygen table numerical value, Failure cause and treatment measures, diagnosis terminate；If X2≤dissolved oxygen content<X1, prompts diagnosis condensate pump to extrude ferrule It is whether good；
    During the CEX pipelines good seal, directly whether good prompting diagnosis condensate pump extrudes ferrule；
    If condensate pump extrude ferrule it is bad, prompt maintenance condensate pump extrude the mouth of pipe, wait it is pending after, the first data Acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, is examined It is disconnected to terminate；If X2≤dissolved oxygen content<Whether X1, prompt the intake line sealing of diagnosis condensate pump good；
    If condensate pump extrudes mouth of pipe good seal, whether directly prompting diagnosis condensate pump intake line sealing is good；
    If the sealing of condensate pump intake line is bad, maintenance condensate pump intake line is prompted, after pending, the first data are adopted Collection module resurveys dissolved oxygen content, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, diagnosis Terminate；If X2≤dissolved oxygen content<X1, prompts whether diagnosis condensate pump housing leaks；
    If condensate pump intake line good seal, directly whether prompting diagnosis condensate pump housing leaks.
  8. 8. nuclear power plant's condensate system dissolved oxygen Indexes Abnormality diagnostic method as claimed in claim 6, it is characterised in that step Procedure below is further included between S3 and step S4：
    When the condensate pump housing leaks, analysis indicating module prompting, which starts stand-by pump and overhauls, has damaged pump, at wait After reason, the first data acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause And treatment measures, diagnosis terminate；If X2≤dissolved oxygen content<Whether X1, prompt the sealing of diagnosis condenser good and diagnose SE R Whether system (conventional island desalination water distribution system) dissolved oxygen content is abnormal；
    When the condensate pump housing does not leak, whether analysis indicating module is directly prompted the sealing of diagnosis condenser good and is examined Whether disconnected SE R system (conventional island desalination water distribution system) dissolved oxygen content is abnormal.
  9. 9. nuclear power plant's condensate system dissolved oxygen Indexes Abnormality diagnostic method as claimed in claim 8, it is characterised in that step Procedure below is further included between S3 and step S4：
    When condenser sealing is bad, valve state that analysis indicating module prompting maintenance is connected with vacuum system, at wait After reason, the first data acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause And treatment measures, diagnosis terminate；If X2≤dissolved oxygen content<Whether X1, prompt diagnosis condenser supercooling degree excessive；
    During the condenser good seal, directly whether prompting diagnosis condenser supercooling degree is excessive；
    If condenser supercooling spend greatly, prompt adjustment condenser supercooling degree, wait it is pending after, the first data acquisition module is again Dissolved oxygen content is gathered, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, diagnosis terminate；If X2 ≤ dissolved oxygen content<X1, prompts diagnosis SER whether systematic pipeline sealing is good；
    If condenser supercooling degree is normal, whether directly prompting diagnosis SER systematic pipelines sealing is good；
    Prompting check each valve state of SER systematic pipelines, wait it is pending after, the first data acquisition module resurveys dissolved oxygen and contains Amount, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, diagnosis terminate；If X2≤dissolved oxygen content< X1, analysis indicating module are diagnosed as new events, and indicate that fault logging module records fault detail content.
  10. 10. nuclear power plant's condensate system dissolved oxygen Indexes Abnormality diagnostic method as claimed in claim 8, it is characterised in that step Suddenly procedure below is further included between S3 and step S4：
    When SE R systems (the conventional island desalination water distribution system) dissolved oxygen content is abnormal, prompting moisturizing handles again or moisturizing Squeeze into oxygen-eliminating device, wait it is pending after, the first data acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, output Oxygen table numerical value, failure cause and treatment measures, diagnosis terminate；If X2≤dissolved oxygen content<X1, prompts diagnosis gland heater to dredge Whether water dissolved oxygen content is abnormal；
    When the SER dissolved oxygen contents are normal, directly whether the hydrophobic dissolved oxygen content of prompting diagnosis gland heater is abnormal；
    If the hydrophobic dissolved oxygen content of gland heater is abnormal, prompts maintenance gland heater air-tightness and squeeze into deoxygenation by hydrophobic Device, wait it is pending after, the first data acquisition module resurveys dissolved oxygen content, if dissolved oxygen content<X2, exports oxygen table number Value, failure cause and treatment measures, diagnosis terminate；If X2≤dissolved oxygen content<X1, prompts diagnosis ABP systems that (low pressure feed water adds Hot device system ABP) whether hydrophobic dissolved oxygen content abnormal；
    If the hydrophobic dissolved oxygen content of gland heater is normal, directly whether the prompting diagnosis hydrophobic dissolved oxygen content of ABP systems is different Often；
    Prompting maintenance ABP systems air-tightness simultaneously squeeze into oxygen-eliminating device by hydrophobic, wait it is pending after, the first data acquisition module is adopted again Collect dissolved oxygen content, if dissolved oxygen content<X2, output oxygen table numerical value, failure cause and treatment measures, diagnosis terminate；If X2≤ Dissolved oxygen content<X1, analysis indicating module are diagnosed as new events, and indicate that fault logging module records fault detail content.
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CN107195340B (en) * 2017-05-12 2019-05-21 辽宁红沿河核电有限公司 It is a kind of based on refined condensate treatment amount to the method and system of Nuclear Power Station Condensers leakage detection
CN109585031A (en) * 2018-10-16 2019-04-05 中国科学院合肥物质科学研究院 A kind of water quality managing and control system based on Superconducting tokamak device
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