CN205751541U - A kind of main steam line leakage monitoring system of nuclear power station - Google Patents
A kind of main steam line leakage monitoring system of nuclear power station Download PDFInfo
- Publication number
- CN205751541U CN205751541U CN201620406445.4U CN201620406445U CN205751541U CN 205751541 U CN205751541 U CN 205751541U CN 201620406445 U CN201620406445 U CN 201620406445U CN 205751541 U CN205751541 U CN 205751541U
- Authority
- CN
- China
- Prior art keywords
- main steam
- steam line
- nuclear power
- monitoring system
- power station
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Landscapes
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
This utility model provides the main steam line leakage monitoring system of a kind of nuclear power station to include: air extractor, drimeter and processor；Described processor is configured the described moisture signal of acceptance, and calculate the slip of main steam line according to described moisture signal and export data, and send leakage alarm signal when main steam line occurs leakage, thus operator is reminded to pay close attention to the running status of unit, in order to make correct judgement.The main steam line leakage monitoring system of the nuclear power station that this utility model provides, drimeter is utilized to measure gas humidity, within a processor humidity is compared with reference value, calculate slip, and send leakage alarm signal, thus operator is reminded to pay close attention to the running status of unit, in order to make correct judgement, take certain measure if desired, thus provide for unit safety operation and support.
Description
Technical field
This utility model relates to the main steam line leakage monitoring system of a kind of nuclear power station.
Background technology
In design of nuclear power plant, it is desirable to reactor coolant loop and important tubing are had leak detection
Ability.For reactor coolant pressure boundary, its leakage monitoring method mainly has containment sump liquid level to supervise
Survey, reactor coolant loop loading amount balances and the monitoring of containment atmospheric radioactivity.Additionally, power plant is all right
Safe shell-side fluid is detected by householder methods such as containment atmospheric pressure, temperature and humidity, visual inspections
Leakage.Liquid for reactor pressure border leaks, and being used alone or in combination of above-mentioned detection method can
Reach reasonable effect.
For the main steam line in containment, due to the existence of heat-insulation layer, leak fluid may whole or portion
Dividing and be condensate in heat-insulation layer, above-mentioned monitoring method, certainty of measurement and the response time mentioned all exists certain
Limitation.
Utility model content
This utility model, for the deficiencies in the prior art, proposes the main steam line leakage monitoring of a kind of nuclear power station
System.
The main steam line leakage monitoring system of nuclear power station includes:
Air extractor, described air extractor is configured to be extracted out the gas in main steam line and heat-insulation layer gap；
Drimeter；Described drimeter is configured to be measured the humidity of the gas extracted out through described air extractor and produces
Moisture signal；
Processor；Described processor is configured the described moisture signal of acceptance, and calculates according to described moisture signal
The slip of main steam line also exports data, and sends leakage alarm letter when main steam line occurs leakage
Number, thus remind operator to pay close attention to the running status of unit, in order to make correct judgement.
Preferably, described air extractor is ejector；The driving source of the gas of described ejector is compressed air.
Preferably, also including regulating valve, described regulation valve is arranged on the upstream of described ejector, is used for controlling
Described compressed air.
Preferably, measuring chamber is also included；Described drimeter is configured the wet of the gas in the described measuring chamber of measurement
Degree.
Preferably, exhaust line is also included；Described exhaust line connects with described measuring chamber, is configured for
Gas in described measuring chamber is discharged
Compared with prior art, this utility model has the advantages that
1, the main steam line leakage monitoring system of the nuclear power station that this utility model provides, uses compressed air to make
Gas in main steam line and heat-insulation layer gap is extracted out by the source of the gas that drives for ejector, introduces a measurement
Room, utilizes drimeter to measure gas humidity, humidity is compared with reference value within a processor, calculate leakage
Rate, and send leakage alarm signal, thus remind operator to pay close attention to the running status of unit, in order to just make
True judgement, takes certain measure if desired, thus provides for unit safety operation and support.
Accompanying drawing explanation
Fig. 1 is the main steam line leakage monitoring system of the nuclear power station meeting this utility model preferred embodiment
Schematic diagram.
Wherein, 1 main steam line；2 heat-insulation layers；3 annular gaps；4 bleed pipeline；5 injections
Device；6 drive gas line；7 regulation valves；8 compressed airs；9 ejector outlet lines；10—
Measuring chamber；11 drimeters；12 exhaust lines；13 moisture signals；14 processors；15 data
Output；16 alarm signals
Detailed description of the invention
Understandable for enabling above-mentioned purpose of the present utility model, feature and advantage to become apparent from, below in conjunction with attached
This utility model is described in further detail by figure and detailed description of the invention.
As it is shown in figure 1, the main steam line leakage monitoring system of nuclear power station includes:
Air extractor, described air extractor is configured the gas in main steam line 1 and heat-insulation layer 2 gap
Extract out；
Drimeter 11；Described drimeter 11 is configured measures the humidity of the gas extracted out through described air extractor also
Produce moisture signal；
Processor 14；Described processor 14 is configured the described moisture signal 13 of acceptance, and according to described humidity
Signal 13 calculates the slip of main steam line 1 and exports data 15, and when main steam line occurs leakage
Send leakage alarm signal 16, thus remind operator to pay close attention to the running status of unit, in order to make correct
Judge.
Preferably, described air extractor is ejector 5；The driving source of the gas of described ejector 5 is compressed air 8.
Preferably, also including regulating valve 7, described regulation valve 7 is arranged on the upstream of described ejector 5, is used for
Control described compressed air 8.
Preferably, measuring chamber 10 is also included；Described drimeter 11 is configured the gas measured in described measuring chamber
Humidity.
Preferably, exhaust line 12 is also included；Described exhaust line 12 connects with described measuring chamber 10, warp
It is configured to discharge the gas in described measuring chamber
Compared with prior art, the present embodiment has the advantages that
1, the main steam line leakage monitoring system of the nuclear power station that the present embodiment provides, uses compressed air conduct
Gas in main steam line and heat-insulation layer gap is extracted out by the source of the gas that drives of ejector, introduces a measuring chamber,
Utilize drimeter to measure gas humidity, within a processor humidity compared with reference value, calculate slip,
And send leakage alarm signal, thus operator is reminded to pay close attention to the running status of unit, in order to make correct
Judge, take certain measure if desired, thus provide for unit safety operation and support.
The operation principle of the main steam line leakage monitoring system of the nuclear power station of the present embodiment is as follows: nuclear power station
The leakage of main steam line 1 is monitored by main steam line leakage monitoring system, mainly includes extract system,
Measurement system and computation analysis module.Annular gap 3 is there is between main steam line 1 and heat-insulation layer 2.Prison
During examining system work, regulate the intermittent opening and closing of valve 7, when regulating valve 7 and opening, compressed air 8
Through entering to drive gas line 7 to enter ejector 5, the gas in annular gap 3 is extracted out through pipeline 4 of bleeding,
And enter measuring chamber 10 through ejector outlet line 9.The moisture signal 13 of measurement is sent into by drimeter 11
Processor 14, compares with normal environmental criteria humidity, it is judged that whether jet chimney has leakage.
When jet chimney 1 occurs leakage, the gas humidity in annular gap 3 increases, finally at measuring chamber
Being measured in 10, and obtain slip in processor 14 after computational analysis, processor 14 passes through
Data output 15 will leak out rate and is delivered to main control room, and sends warning by alarm signal 16, thus carries
Awake operator pays close attention to the running status of unit, in order to makes correct judgement, takes certain measure if desired.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is
With the difference of other embodiments, between each embodiment, identical similar portion sees mutually.For
For system disclosed in embodiment, owing to corresponding to the method disclosed in Example, so the comparison described is simple
Single, relevant part sees method part and illustrates.
Each specifically should being used for can be used different methods to realize described merit by those skilled in the art
Can, but this realization is it is not considered that exceed scope of the present utility model.
Obviously, those skilled in the art can carry out various change and modification without deviating from this to utility model
The spirit and scope of utility model.So, if these amendments of the present utility model and modification belong to this practicality
Within the scope of novel claim and equivalent technologies thereof, then this utility model be also intended to include these change and
Including modification.
Claims (5)
1. the main steam line leakage monitoring system of a nuclear power station, it is characterised in that including:
Air extractor, described air extractor is configured to be extracted out the gas in main steam line and heat-insulation layer gap；
Drimeter；Described drimeter is configured to be measured the humidity of the gas extracted out through described air extractor and produces
Moisture signal；
Processor；Described processor is configured the described moisture signal of acceptance, and calculates according to described moisture signal
The slip of main steam line also exports data, and sends leakage alarm letter when main steam line occurs leakage
Number, thus remind operator to pay close attention to the running status of unit, in order to make correct judgement.
2. the main steam line leakage monitoring system of nuclear power station as claimed in claim 1, it is characterised in that
Described air extractor is ejector；The driving source of the gas of described ejector is compressed air.
3. the main steam line leakage monitoring system of nuclear power station as claimed in claim 2, it is characterised in that
Also including regulating valve, described regulation valve is arranged on the upstream of described ejector, is used for controlling described compressed air.
4. the main steam line leakage monitoring system of nuclear power station as claimed in claim 1, it is characterised in that
Also include measuring chamber；Described drimeter is configured the humidity of the gas measured in described measuring chamber.
5. the main steam line leakage monitoring system of nuclear power station as claimed in claim 4, it is characterised in that
Also include exhaust line；Described exhaust line connects with described measuring chamber, is configured for described measuring chamber
Interior gas is discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620406445.4U CN205751541U (en) | 2016-05-06 | 2016-05-06 | A kind of main steam line leakage monitoring system of nuclear power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620406445.4U CN205751541U (en) | 2016-05-06 | 2016-05-06 | A kind of main steam line leakage monitoring system of nuclear power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205751541U true CN205751541U (en) | 2016-11-30 |
Family
ID=57369591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620406445.4U Active CN205751541U (en) | 2016-05-06 | 2016-05-06 | A kind of main steam line leakage monitoring system of nuclear power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205751541U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105788681A (en) * | 2016-05-06 | 2016-07-20 | 上海核工程研究设计院 | Main steam pipeline leakage monitoring system of nuclear power station |
| CN108877970A (en) * | 2018-06-04 | 2018-11-23 | 南华大学 | A kind of presurized water reactor primary Ioops boundary leaking monitoring method, system and monitor |
| CN109268691A (en) * | 2017-07-17 | 2019-01-25 | 宝武炭材料科技有限公司 | System for automatically prejudging leakage of volatile chemical medium pipeline |
-
2016
- 2016-05-06 CN CN201620406445.4U patent/CN205751541U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105788681A (en) * | 2016-05-06 | 2016-07-20 | 上海核工程研究设计院 | Main steam pipeline leakage monitoring system of nuclear power station |
| CN109268691A (en) * | 2017-07-17 | 2019-01-25 | 宝武炭材料科技有限公司 | System for automatically prejudging leakage of volatile chemical medium pipeline |
| CN109268691B (en) * | 2017-07-17 | 2020-05-05 | 宝武炭材料科技有限公司 | System for automatically prejudging leakage of volatile chemical medium pipeline |
| CN108877970A (en) * | 2018-06-04 | 2018-11-23 | 南华大学 | A kind of presurized water reactor primary Ioops boundary leaking monitoring method, system and monitor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2912364B1 (en) | Steam trap monitor with diagnostics and method of monitoring operation of a steam trap | |
| CN109828176B (en) | High-low temperature cycle test system for motor battery of new energy automobile | |
| CN105788681A (en) | Main steam pipeline leakage monitoring system of nuclear power station | |
| CN205751541U (en) | A kind of main steam line leakage monitoring system of nuclear power station | |
| CN108760279B (en) | Harsh working condition valve test device capable of monitoring valve torque and sealing | |
| CN204128762U (en) | A kind of valve examination platform | |
| CN204314032U (en) | High-temperature pipe flange compactedness test macro | |
| CN106838628A (en) | A kind of multisensor heat supply network leaks early-warning monitoring method | |
| JPS62246695A (en) | Operation deciding device for steam trap | |
| CN103557992A (en) | Method for detecting inner leakage of steam hydrophobic valve based on valve front pipe wall temperature detection | |
| CN109443075A (en) | A kind of thermal performance appraisal procedure and monitoring system for closed cooling tower | |
| CN204758234U (en) | Thermal power unit vacuum system equipment leak testing system | |
| CN208887830U (en) | Water flow safety detection device in closing pipe line | |
| CN207895276U (en) | A kind of heating power method power station cools down intelligent monitor system | |
| CN208061002U (en) | A kind of boiler room equipment energy consumption monitoring system | |
| CN205958205U (en) | Multichannel device that leaks hunting | |
| JP7426600B2 (en) | gas safety device | |
| CN112924115A (en) | Device and method for monitoring internal leakage of high-temperature and high-pressure pipeline valve | |
| CN204926803U (en) | Monitoring system that main steam pipe way leaked is prevented to nuclear power station | |
| CN207962117U (en) | Gas leakage detection device | |
| CN203939745U (en) | Automatic surge control system of air blower | |
| CN203688181U (en) | Internal leakage internal blocking detection device | |
| CN106015950A (en) | Novel pipeline leakage monitoring device | |
| CN209304918U (en) | Hot flow path automatic cycle testing system | |
| CN103837313A (en) | Automatic detection system and method for steam cabinet air tightness |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE |