CN109616230A - A kind of PWR Fuel clad failure on-line measuring device - Google Patents
A kind of PWR Fuel clad failure on-line measuring device Download PDFInfo
- Publication number
- CN109616230A CN109616230A CN201811528844.8A CN201811528844A CN109616230A CN 109616230 A CN109616230 A CN 109616230A CN 201811528844 A CN201811528844 A CN 201811528844A CN 109616230 A CN109616230 A CN 109616230A
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- China
- Prior art keywords
- module
- detector
- health
- hpge
- acquisition unit
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/06—Devices or arrangements for monitoring or testing fuel or fuel elements outside the reactor core, e.g. for burn-up, for contamination
- G21C17/07—Leak testing
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/10—Structural combination of fuel element, control rod, reactor core, or moderator structure with sensitive instruments, e.g. for measuring radioactivity, strain
-
- 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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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Measurement Of Radiation (AREA)
Abstract
A kind of PWR Fuel clad failure on-line measuring device, including detector assembly, acquisition unit module, control centre's module, auxiliary device and power supply system module, detector assembly includes the HPGe detector being mounted in lead screen device, the anti-health detector of annulated column type CsI and front end circuit system, HPGe detector rings are wound with the anti-health detector of annulated column type CsI, and detector assembly is mounted on the upper level straight-line motion mechanism of detection device；Acquisition unit module is made of anti-health circuit module, HPGe multiple tracks module and industrial personal computer, and anti-health circuit module is mounted on detector assembly rear end；Control centre's module is connected by external TCP/IP interface with acquisition unit module；Power supply system module, which is spaced apart, is connected to ups power, then exports each module and be powered；Entire detection device is mounted on cabinet base guide rail.The device reduces the influence that platform screens low energy nucleic using double detector, reduces interference of the environmental exact details to detector using shielding and collimation technique, improves equipment dependability.
Description
Technical field
The invention belongs to the detection technique for having radioactive substance, and in particular to exist to a kind of PWR Fuel clad failure
Line detector.
Background technique
Fuel can is the first barrier of three barriers of nuclear power plant, and the nuclear fuel contained in involucrum is the original of nuclear power plant
Power, therefore its safety plays an important role the safe operation of reactor.In operation, nuclear fuel can be sent out reactor
Raw various nuclear reactions generate energy for generating electricity, while can be there are many having radioactive nucleic to generate, therefore, fuel can one
Denier is damaged, is leaked into primary Ioops water body by the various fission products that involucrum contains, leads to nuclear power plant's whole body activity level liter
Height also results in radioactive environment discharge and increases, the safe operation of nuclear power station restricted, to staff, surrounding enviroment and society
Generate totally unfavorable influence.Therefore, most important to the state real-time detection of fuel can.
Detection to fuel can state is the content by analyzing characteristic nuclide in presurized water reactor primary Ioops water, and passes through one
Fixed algorithm analyzes Producing reason, and final technical support is provided to staff.Country's PWR nuclear power plant is to combustion at present
The method of material involucrum state-detection is mainly that regular manual sampling, total γ on-line monitoring, shutdown sipping test etc. sample offline,
Laboratory carries out the mode of sample analysis, and advantage can reduce the Interference between nuclei of some short-half-lifes, but the sampling period is long,
Analysis time is long, cannot obtain in real time primary Ioops radiation implementations, for total γ on-line monitoring can only obtain one increase or
Decreasing trend cannot analyze specific influence factor.
Summary of the invention
The technical problem to be solved in the present invention is that a kind of PWR Fuel clad failure on-line measuring device is provided, for
The feature that power plant's available space is narrow, environment is complicated is not reducing detector efficiency, while the shadow of environmental exact details is effectively reduced
It rings, realizes to primary Ioops coolant activity activity on-line continuous measuring device.
In order to solve the above-mentioned technical problem, the present invention is accomplished by the following way:
A kind of PWR Fuel clad failure on-line measuring device, including detector assembly, acquisition unit module, in control
Core module, auxiliary device and power supply system module, the detector assembly are connected with acquisition unit module, acquisition unit module and
Control centre's module is connected, and power supply system module is powered for single unit system；
The detector assembly uses stainless steel lining bottom, including the anti-health detector of HPGe detector, annulated column type CsI, preposition
Circuit system, colimated light system and lead screen device, the wherein anti-health detector of HPGe detector, annulated column type CsI, front end circuit system
It is installed in lead screen device, HPGe detector rings are wound with the anti-health detector of annulated column type CsI, and detector assembly is mounted on detection dress
On the upper level straight-line motion mechanism set；
The acquisition unit module is made of anti-health circuit module, HPGe multiple tracks module and industrial personal computer, for visiting to HPGe
It surveys device and the anti-health detector output signal of annulated column type CsI is acquired, anti-health circuit module is mounted on detector assembly rear end knot
On component, it is screwed and forms an entirety with detector assembly；
Control centre's module is real in a manner of network by external TCP/IP interface using locally or remotely control mode
Now it is connected with acquisition unit module；
The auxiliary device includes mobile handwheel, refrigeration machine and support wheel, and one end of detection device is arranged in mobile handwheel,
It is moved forward and backward for adjusting straight-line motion mechanism；
The power supply system module use AC power source, be spaced apart and be connected to ups power, then be output to Anti-surging socket to
Each module is powered；
HPGe multiple tracks module, refrigeration machine, Anti-surging socket, ups power, industrial personal computer and radiator fan are arranged in detection device
Inside, and be located at below detector assembly, and installation is fixed using screw；Entire detection device be mounted on using screw into
On the fixed cabinet base guide rail of row.
Compared with prior art, the invention has the benefit that
The invention realizes the differentiation to a variety of nucleic using high-resolution HPGe detection and calculates its activity, using anti-health
Spectrum detector reduces the influence that Compton platform screens low energy nucleic, reduces environmental exact details pair using shielding and collimation technique
The interference of detector improves the reliability of equipment；In addition using modularization, miniaturization, integrated design is conducive to raising system
Stability and convenient for debugging production, by detector, processing circuit, data analysis and emergency power supply it is integrated, detector is set
Counting into can be moved forward and backward, convenient for the installation and debugging at scene.
Detailed description of the invention
Fig. 1 is structural block diagram of the invention；
Fig. 2 is structural schematic diagram of the invention.
Each label is respectively as follows: 1, detector assembly, 2, anti-health circuit module, 3, HPGe multiple tracks module, 4, refrigeration in figure
Machine, 5, cabinet base guide rail, 6, Anti-surging socket, 7, radiator fan, 8, industrial personal computer, 9, support wheel.
Specific embodiment
Specific embodiments of the present invention will be described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Fig. 1~2, a kind of PWR Fuel clad failure on-line measuring device, including detector assembly, acquisition list
Element module, control centre's module, auxiliary device and power supply system module, the detector assembly are connected with acquisition unit module,
Acquisition unit module is connected with control centre's module, and power supply system module is powered for single unit system；
The detector assembly 1 uses stainless steel lining bottom, including the anti-health detector of HPGe detector, annulated column type CsI, preposition
Circuit system, colimated light system and lead screen device, the wherein anti-health detector of HPGe detector, annulated column type CsI, front end circuit system
It is installed in lead screen device, HPGe detector rings are wound with the anti-health detector of annulated column type CsI, pass through collimating aperture face
REN0529TY pipeline realizes the gamma spectrum measurement of primary Ioops coolant in REN0529TY pipeline, what high purity germanium detector generated
Signal is sent to gamma spectrum signal acquisition unit module and is handled after the amplification of front end circuit system amplifier, detector assembly
The filling 2cm of inner periphery is thick, 99.9% lead is as screening arrangement, and the influence for reducing ray in environment to detector is pacified
On the upper level straight-line motion mechanism of detection device；The back-and-forth motion distance 40cm for realizing detector, it is accurate to be conducive to
Positioning measurement point.
Acquisition unit module is made of anti-health circuit module 2, HPGe multiple tracks module 3 and industrial personal computer 8, for detecting to HPGe
The status information of device and the anti-health detector output signal of annulated column type CsI and detector is acquired, and anti-health circuit module is mounted on
On detector assembly rear end structure part, it is screwed and forms an entirety with detector assembly；Industrial personal computer is HPGe detection
Communication, processing and the control centre of device may include display, industry control calculating.Industrial personal computer should meet claimed below: long-range control
The open and close of high purity germanium detector and refrigerating plant obtain the temperature information of high purity germanium detector in real time；Rely on gamma spectrum
Software is analyzed, realizes the data communication with gamma energy spectrometer, the real-time gamma-spectrometric data for obtaining primary Ioops coolant characteristic nuclide is simultaneously complete
It is exported at the analysis of gamma spectrum data and result.
Control centre's module passes through external TCP/IP interface in the way of local (laptop) or remote control
The mutual biography that data are carried out with acquisition unit module remote control center is realized in a manner of network.
The auxiliary device includes mobile handwheel, refrigeration machine 4 and support wheel 9, and mobile handwheel is arranged in the one of detection device
End is moved forward and backward for adjusting straight-line motion mechanism；
The power supply system module uses 220V AC power source, is spaced apart and is connected to ups power, then is output to Anti-surging and inserts
Seat is powered to each module, and power system design apparatus for protecting power supply includes Anti-surging, overload protection, has and be spaced apart,
UPS itself electrical safety, the three-level electric security protector of Anti-surging socket, improves the reliability of equipment.
HPGe multiple tracks module, refrigeration machine, Anti-surging socket 6, ups power, industrial personal computer and the setting of radiator fan 7 are filled in detection
Inside is set, and is located at below detector assembly, and installation is fixed using screw；Entire detection device is mounted on using standard
On the cabinet base guide rail 5 of accessory, it is fixed using screw.
The above is only embodiments of the present invention, is stated again, and those skilled in the art are come
It says, without departing from the principle of the present invention, several improvement can also be carried out to the present invention, these improvement are also included in the present invention
In scope of protection of the claims.
Claims (1)
1. a kind of PWR Fuel clad failure on-line measuring device, it is characterised in that: including detector assembly, acquisition unit mould
Block, control centre's module, auxiliary device and power supply system module, the detector assembly are connected with acquisition unit module, acquisition
Unit module is connected with control centre's module, and power supply system module is powered for single unit system；
The detector assembly uses stainless steel lining bottom, including the anti-health detector of HPGe detector, annulated column type CsI, front end circuit
System, colimated light system and lead screen device, wherein the anti-health detector of HPGe detector, annulated column type CsI, front end circuit system are installed
In in lead screen device, HPGe detector rings are wound with the anti-health detector of annulated column type CsI, and detector assembly is mounted on detection device
On upper level straight-line motion mechanism；
The acquisition unit module is made of anti-health circuit module, HPGe multiple tracks module and industrial personal computer, for HPGe detector
It is acquired with the anti-health detector output signal of annulated column type CsI, anti-health circuit module is mounted on detector assembly rear end structure part
On, it is screwed and forms an entirety with detector assembly；
Control centre's module using locally or remotely control mode, by external TCP/IP interface realized in a manner of network with
Acquisition unit module is connected；
The auxiliary device includes mobile handwheel, refrigeration machine agent and support wheel, and one end of detection device is arranged in mobile handwheel, is used
It is moved forward and backward in adjusting straight-line motion mechanism；
The power supply system module uses AC power source, is spaced apart and is connected to ups power, then is output to Anti-surging socket to each mould
Block is powered；
HPGe multiple tracks module, refrigeration machine, Anti-surging socket, ups power, industrial personal computer and radiator fan are arranged in detection device
Portion, and be located at below detector assembly, and installation is fixed using screw；Entire detection device is mounted on to be carried out using screw
On fixed cabinet base guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811528844.8A CN109616230A (en) | 2018-12-14 | 2018-12-14 | A kind of PWR Fuel clad failure on-line measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811528844.8A CN109616230A (en) | 2018-12-14 | 2018-12-14 | A kind of PWR Fuel clad failure on-line measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN109616230A true CN109616230A (en) | 2019-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811528844.8A Pending CN109616230A (en) | 2018-12-14 | 2018-12-14 | A kind of PWR Fuel clad failure on-line measuring device |
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| CN (1) | CN109616230A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112201375A (en) * | 2020-10-21 | 2021-01-08 | 中国核动力研究设计院 | Main shaft translation winding mechanism for dismantling nuclear reactor detector assembly and use method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152846A (en) * | 2017-12-05 | 2018-06-12 | 中国原子能科学研究院 | A kind of digitalization radiation inert gas133Xe activity coincidence measurement devices |
| CN207557493U (en) * | 2017-11-02 | 2018-06-29 | 中广核久源（成都）科技有限公司 | The online Radionuclide analysis detector of presurized water reactor primary Ioops water |
-
2018
- 2018-12-14 CN CN201811528844.8A patent/CN109616230A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207557493U (en) * | 2017-11-02 | 2018-06-29 | 中广核久源（成都）科技有限公司 | The online Radionuclide analysis detector of presurized water reactor primary Ioops water |
| CN108152846A (en) * | 2017-12-05 | 2018-06-12 | 中国原子能科学研究院 | A kind of digitalization radiation inert gas133Xe activity coincidence measurement devices |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112201375A (en) * | 2020-10-21 | 2021-01-08 | 中国核动力研究设计院 | Main shaft translation winding mechanism for dismantling nuclear reactor detector assembly and use method |
| CN112201375B (en) * | 2020-10-21 | 2022-02-11 | 中国核动力研究设计院 | Main shaft translation winding mechanism for dismantling nuclear reactor detector assembly and use method |
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Application publication date: 20190412 |
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| RJ01 | Rejection of invention patent application after publication |