CN103928067B - Winding displacement is nuclear power evaporator heat-transfer pipe endoporus failure detector easily - Google Patents
Winding displacement is nuclear power evaporator heat-transfer pipe endoporus failure detector easily Download PDFInfo
- Publication number
- CN103928067B CN103928067B CN201410199276.7A CN201410199276A CN103928067B CN 103928067 B CN103928067 B CN 103928067B CN 201410199276 A CN201410199276 A CN 201410199276A CN 103928067 B CN103928067 B CN 103928067B
- Authority
- CN
- China
- Prior art keywords
- concave station
- pedestal
- hole
- face
- probe
- 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
A kind of winding displacement nuclear power evaporator heat-transfer pipe endoporus failure detector easily, comprises pedestal and is arranged on the probe on pedestal; Described pedestal is cylindrical sides has the first concave station face and the second concave station face, the first described concave station face is parallel with the second concave station face, forming two ends is cylinder end face, centre has the structure in two parallel concave station faces, described two parallel concave station faces offer five through holes, be respectively two for the through hole one, two of installing described flaw detection point focusing probe for installing the through hole two of described line focus probe and one for installing the through hole three of described thickness measuring point focusing probe, described probe transmitting terminal is positioned on the second concave station face; The first described concave station face has the winding displacement hole connected with the cylinder end face of pedestal one end.Be positioned at heat-transfer pipe inside during winding displacement of the present invention nuclear power evaporator heat-transfer pipe endoporus failure detector flaw detection easily, the lead-in wire that five are popped one's head in is received outside through winding displacement hole, this avoid the interference of lead-in wire to detection.
Description
Technical field
The present invention relates to a kind of winding displacement nuclear power evaporator heat-transfer pipe endoporus failure detector easily.
Background technology
Nuclear power is as a kind of energy of efficient, clean and sustainable development in recent years, is again subject to great attention and the extensive concern of people.Environmentally present situation and sustainable development need, and nuclear energy has become current China and ensured one of important substitute energy of the energy safety of supply, adjustment electric structure most realistic meaning, is the important component part that China's modern energy industry is built.
Steam generator is the key equipment of the hinge of pressurized-water reactor nuclear power plant one, secondary circuit, primary Ioops system, and Main Function produces high-quality dry steam by the heat exchange effect of tube bank, drives Turbo-generator Set to generate electricity by main steam line.Go agent to flow through reactor core with radioactivity because primary Ioops is cold, therefore core vapour generator is also a part for primary Ioops pressure boundary, leaks for preventing radiomaterial.According to external report, about have 1/4th in the unplanned shutdown number of times of PWR nuclear power plant because relevant steam generator problem causes, therefore it is very important to the safe operation of nuclear power plant.Nuclear power evaporator heat-transfer pipe all selects U-tube, with inverted U-shaped formula dense arrangement, it plays dual parts isolation and heat transfer, namely in inside surface circulation is the primary Ioops working-medium water that the radioactive heat of band is higher, in outside surface circulation is extract the secondary circuit working-medium water that to be processedly must be used for producing steam from natural seawater or river warp, make it become steam to secondary circuit water the thermal energy conduction of primary Ioops water by it, its reliability directly has influence on security and the economy of nuclear power plant.Therefore heat-transfer pipe carrying out flaw detection is seemed particularly important, but heat-transfer pipe diameter of bore is less only has 12mm, therefore more difficult to its carrying out flaw detection.And the probe carrying out UT (Ultrasonic Testing) needs lead-in wire and picks out, and the probe carrying out detecting a flaw often has a lot to improve detection accuracy, and therefore, how arranging to lead-in wire, prevent probe lead wire from having adverse effect to flaw detection, is the problem not allowing to ignore.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiency that in prior art, heat-transfer pipe flaw detection is more difficult, provide a kind of nuclear power evaporator heat-transfer pipe endoporus failure detector.
A kind of winding displacement nuclear power evaporator heat-transfer pipe endoporus failure detector easily, comprises pedestal and is arranged on the probe on pedestal, described probe comprises two flaw detection point focusing probe, two line focus probes and a thickness measuring point focusing probe, described pedestal is the right cylinder that a diameter is less than 12mm, wherein cylindrical sides has the first concave station face and the second concave station face, the first described concave station face is parallel with the second concave station face, forming two ends is cylinder end face, centre has the structure in two parallel concave station faces, described two parallel concave station faces offer five through holes, be respectively two for installing the through hole one of described flaw detection point focusing probe, two for install described line focus probe through hole two and one for installing the through hole three of described thickness measuring point focusing probe, described probe transmitting terminal is positioned on the second concave station face,
The axes intersect of two wherein said through holes one in the first side, concave station face, and the axis of two through holes one all with pedestal axes intersect, the plane at two through hole one axis places is vertical with the first concave station face;
The axis of two described through holes two is positioned at the both sides of pedestal axis, and the axis of two through holes two is in same plane, and the axis place plane of two through holes two is vertical with the first concave station face;
Axis and through hole one axis of described through hole three are positioned at same plane, and through hole three axes normal is in pedestal axis;
The first described concave station face has the winding displacement hole connected with the cylinder end face of pedestal one end.
Heat-transfer pipe inside is positioned at during winding displacement of the present invention nuclear power evaporator heat-transfer pipe endoporus failure detector flaw detection easily, the lead-in wire that five are popped one's head in is received outside through winding displacement hole, this avoid the interference of lead-in wire to detection, utilize the flaw detection point focusing probe that two are obliquely installed simultaneously, its beam focal is in close to pipe outer wall place, avoid wave beam parallel with slight crack, thus detect heat transfer tube wall circumferential defect, a thickness measuring point focusing probe is utilized to measure heat-transfer pipe wall thickness, in addition, the line focus of two misalignment pedestal axis is utilized to pop one's head in, its wave beam and axial slight crack are at an angle, thus detect heat-transfer pipe axial flaw, such tube wall axially, circumference and thickness can both detect simultaneously, improve accuracy rate and the work efficiency of probe, make probe more reliable.
Further, pop one's head in for making flaw detection and can rotate smoothly in heat-transfer pipe and move ahead, described pedestal one end be connected with the tractor that traction pedestal rotates and moves ahead in heat-transfer pipe.
As preferably, described pedestal two terminal circle post end face diameter is 11.5mm, and wherein the first concave station face cup depth is 2mm, and the second concave station face cup depth is 4.5mm.Point focusing probe and line focus are popped one's head in and heat-transfer pipe non-direct contact, have certain thickness moisture film between probe and heat-transfer pipe inwall, effectively can control water film thickness through controlling table top cup depth, improve probe flaw detection stability, accuracy.
Further, axis and the pedestal axis angle α of two described through holes one are 70 °, and the slight crack of flaw detection point focusing probe and heat-transfer pipe tube wall inner circumferential is had a certain degree, and make flaw detection more accurate.
The invention has the beneficial effects as follows, heat-transfer pipe inside is positioned at during winding displacement of the present invention nuclear power evaporator heat-transfer pipe endoporus failure detector flaw detection easily, the lead-in wire that five are popped one's head in is received outside through winding displacement hole, this avoid the interference of lead-in wire to detection, the flaw detection point focusing probe simultaneously utilizing two to be obliquely installed detects heat transfer tube wall circumferential defect, a thickness measuring point focusing probe is utilized to measure heat-transfer pipe wall thickness, in addition, utilize line focus to pop one's head in and detect heat-transfer pipe axial flaw, such tube wall axially, circumference and thickness can both detect simultaneously, improve accuracy rate and the work efficiency of probe, make probe more reliable.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is nuclear power evaporator heat-transfer pipe endoporus failure detector front view of the present invention;
Fig. 2 is nuclear power evaporator heat-transfer pipe endoporus failure detector vertical view of the present invention;
Fig. 3 is failure detector of the present invention schematic diagram in nuclear power evaporator heat-transfer pipe;
In figure: 1. pedestal, 2. through hole one, 3. through hole two, 4. through hole three, 5. the first concave station face, 6. the second concave station face, point focusing probe of 7. detecting a flaw, 8. line focus probe, 9. thickness measuring point focusing probe, 10. cylinder end face, 11. winding displacement holes, 12. heat-transfer pipes, 13. water.
Embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
Embodiment 1
As illustrated in fig. 1 and 2, a kind of winding displacement is nuclear power evaporator heat-transfer pipe endoporus failure detector easily, the probe comprising pedestal 1 and be arranged on pedestal 1, described probe comprises two flaw detection point focusing probe, 7, two line focus probes 8 and a thickness measuring point focusing probe 9, described pedestal 1 is the right cylinder that a diameter is less than 12mm, wherein cylindrical sides has the first concave station face 5 and the second concave station face 6, the first described concave station face 5 is parallel with the second concave station face 6, forming two ends is cylinder end face 10, centre has the structure in two parallel concave station faces, described two parallel concave station faces offer five through holes, be respectively two for installing the through hole 1 of described flaw detection point focusing probe 7, two for install described line focus probe 8 through hole 23 and one for installing the through hole three of described thickness measuring point focusing probe 9, described probe transmitting terminal is positioned on the second concave station face 6,
The axes intersect of two wherein said through holes 1 in the first side, concave station face 5, and the axis of two through holes 1 all with pedestal 1 axes intersect, the plane at two through hole 1 axis places is vertical with the first concave station face 5;
The axis of two described through holes 23 is positioned at the both sides of pedestal 1 axis, and the axis of two through holes 23 is in same plane, and the axis place plane of two through holes 23 is vertical with the first concave station face 5;
Axis and through hole 1 axis of described through hole three are positioned at same plane, and through hole three axes normal is in pedestal 1 axis;
The first described concave station face 5 has the winding displacement hole 11 connected with the cylinder end face 10 of pedestal 1 one end.
Heat-transfer pipe inside is positioned at during winding displacement of the present invention nuclear power evaporator heat-transfer pipe endoporus failure detector flaw detection easily, the lead-in wire that five are popped one's head in is received outside through winding displacement hole, this avoid the interference of lead-in wire to detection, utilize the flaw detection point focusing probe that two are obliquely installed simultaneously, its beam focal is in close to pipe outer wall place, avoid wave beam parallel with slight crack, thus detect heat transfer tube wall circumferential defect, a thickness measuring point focusing probe is utilized to measure heat-transfer pipe wall thickness, in addition, the line focus of two misalignment pedestal axis is utilized to pop one's head in, its wave beam and axial slight crack are at an angle, thus detect heat-transfer pipe axial flaw, such tube wall axially, circumference and thickness can both detect simultaneously, improve accuracy rate and the work efficiency of probe, make probe more reliable.
As shown in Figure 3, heat-transfer pipe 12 is positioned at inner during winding displacement of the present invention nuclear power evaporator heat-transfer pipe endoporus failure detector flaw detection easily, the lead-in wire that five are popped one's head in is received outside through winding displacement hole 11, this avoid the interference of lead-in wire to detection, utilize the flaw detection point focusing probe 7 that two are obliquely installed simultaneously, its beam focal is in close to pipe outer wall place, thus detect heat transfer tube wall circumferential defect, a thickness measuring point focusing probe 9 is utilized to measure heat-transfer pipe wall thickness, in addition, utilize the line focus probe 8 of two misalignment pedestal axis, its wave beam and axial slight crack are at an angle, thus detect heat-transfer pipe 12 axial flaw, such tube wall axially, circumference and thickness can both detect simultaneously, improve accuracy rate and the work efficiency of probe, make probe more reliable.
Further, described pedestal 1 one end is connected with the tractor that traction pedestal 1 rotates and moves ahead in heat-transfer pipe 12.
As shown in Figure 3, flaw detection point focusing probe 7 and line focus pop one's head ins 8 and thickness measuring point focusing probe 9 and heat-transfer pipe 12 non-direct contact, between probe and heat-transfer pipe 12 inwall, there is certain thickness water 13 film, water 13 film thickness effectively can be controlled through controlling table top cup depth, improve probe flaw detection stability, accuracy, therefore, further size design is as follows, described pedestal 1 two terminal circle styletable face 10 diameter is 11.5mm, wherein the first concave station face 5 cup depth d is 2mm, and the second concave station face 6 cup depth d1 is 4.5mm.
Further, axis and pedestal 1 axis angle of two described through holes 1 are all 70 °, flaw detection point focusing probe 7 is had a certain degree with the slight crack of heat-transfer pipe 12 tube wall inner circumferential, makes flaw detection more accurate.
Claims (4)
1. a winding displacement nuclear power evaporator heat-transfer pipe endoporus failure detector easily, is characterized in that: the probe comprising pedestal (1) and be arranged on pedestal (1), described probe comprises two flaw detections point focusing probe (7), two line focus probes (8) and thickness measuring point focusing probe (9), described pedestal (1) is the right cylinder that a diameter is less than 12mm, wherein cylindrical sides has the first concave station face (5) and the second concave station face (6), the first described concave station face (5) is parallel with the second concave station face (6), forming two ends is cylinder end face (10), centre has the structure in two parallel concave station faces, described two parallel concave station faces offer five through holes, be respectively two for installing the through hole one (2) of described flaw detection point focusing probe (7), two for installing the described line focus probe through hole two (3) of (8) and one for installing the through hole three of described thickness measuring point focusing probe (9), described probe transmitting terminal is positioned on the second concave station face (6),
The axes intersect of the through hole one (2) wherein described in two in the first concave station face (5) side, and the axis of two through holes one (2) all with pedestal (1) axes intersect, the plane at two through hole one (2) axis places is vertical with the first concave station face (5);
The axis of the through hole two (3) described in two is positioned at the both sides of pedestal (1) axis, and the axis of two through holes two (3) is in same plane, and the axis place plane of two through holes two (3) is vertical with the first concave station face (5);
Axis and through hole one (2) axis of described through hole three are positioned at same plane, and through hole three axes normal is in pedestal (1) axis;
The first described concave station face (5) has the winding displacement hole (11) connected with the cylinder end face (10) of pedestal (1) one end.
2. winding displacement according to claim 1 nuclear power evaporator heat-transfer pipe endoporus failure detector easily, is characterized in that: described pedestal (1) one end is connected with the tractor that traction pedestal (1) rotates and moves ahead in heat-transfer pipe.
3. winding displacement according to claim 1 nuclear power evaporator heat-transfer pipe endoporus failure detector easily, it is characterized in that: described pedestal (1) two terminal circle styletable face (10) diameter is 11.5mm, wherein the first concave station face (5) cup depth is 2mm, and the second concave station face (6) cup depth is 4.5mm.
4. winding displacement according to claim 1 nuclear power evaporator heat-transfer pipe endoporus failure detector easily, is characterized in that: axis and pedestal (1) axis angle of the through hole one (2) described in two are all 70 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410199276.7A CN103928067B (en) | 2014-05-09 | 2014-05-09 | Winding displacement is nuclear power evaporator heat-transfer pipe endoporus failure detector easily |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410199276.7A CN103928067B (en) | 2014-05-09 | 2014-05-09 | Winding displacement is nuclear power evaporator heat-transfer pipe endoporus failure detector easily |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103928067A CN103928067A (en) | 2014-07-16 |
| CN103928067B true CN103928067B (en) | 2016-04-06 |
Family
ID=51146261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410199276.7A Active CN103928067B (en) | 2014-05-09 | 2014-05-09 | Winding displacement is nuclear power evaporator heat-transfer pipe endoporus failure detector easily |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103928067B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105929021A (en) * | 2016-06-21 | 2016-09-07 | 上海电气核电设备有限公司 | Small connecting pipe inner wall magnetic powder detecting device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5015828A (en) * | 1989-07-07 | 1991-05-14 | Westinghouse Electric Corp. | System and method for stress-relief of welds in heat exchanger tubes |
| CN2906617Y (en) * | 2006-05-23 | 2007-05-30 | 胜利钢管有限公司 | Ultrasonic fault-detection probe supporting device |
| US7711499B2 (en) * | 2007-12-11 | 2010-05-04 | Westinghouse Electric Co Llc | Eddy current data interpolation/extrapolation |
| CN202101973U (en) * | 2011-06-08 | 2012-01-04 | 南通航运职业技术学院 | Ultrasonic automation flaw detecting equipment for heavy-caliber seamless steel pipe |
| CN102486470A (en) * | 2010-12-02 | 2012-06-06 | 核动力运行研究所 | Nondestructive inspection ultrasonic probe universal joint pallet |
| CN202487186U (en) * | 2011-12-28 | 2012-10-10 | 核动力运行研究所 | Ultrasonic testing tool for welding line of safety injection pipe of pressure vessel in nuclear power station |
| CN102855950A (en) * | 2012-07-31 | 2013-01-02 | 清华大学 | Defect detection device and using method thereof for heat transfer tube of steam generator |
| CN203443931U (en) * | 2013-08-21 | 2014-02-19 | 上海蓝滨石化设备有限责任公司 | Small-size bicrystal curved surface longitudinal wave ultrasonic probe |
| CN204045223U (en) * | 2014-05-09 | 2014-12-24 | 常州市常超电子研究所有限公司 | Winding displacement is nuclear power evaporator heat-transfer pipe endoporus failure detector easily |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007003400A (en) * | 2005-06-24 | 2007-01-11 | Hitachi Ltd | Inspection device for control rod through-hole member |
| JP2012159471A (en) * | 2011-02-02 | 2012-08-23 | Mitsubishi Heavy Ind Ltd | Inspection method and inspection device of heat-transfer pipe |
-
2014
- 2014-05-09 CN CN201410199276.7A patent/CN103928067B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5015828A (en) * | 1989-07-07 | 1991-05-14 | Westinghouse Electric Corp. | System and method for stress-relief of welds in heat exchanger tubes |
| CN2906617Y (en) * | 2006-05-23 | 2007-05-30 | 胜利钢管有限公司 | Ultrasonic fault-detection probe supporting device |
| US7711499B2 (en) * | 2007-12-11 | 2010-05-04 | Westinghouse Electric Co Llc | Eddy current data interpolation/extrapolation |
| CN102486470A (en) * | 2010-12-02 | 2012-06-06 | 核动力运行研究所 | Nondestructive inspection ultrasonic probe universal joint pallet |
| CN202101973U (en) * | 2011-06-08 | 2012-01-04 | 南通航运职业技术学院 | Ultrasonic automation flaw detecting equipment for heavy-caliber seamless steel pipe |
| CN202487186U (en) * | 2011-12-28 | 2012-10-10 | 核动力运行研究所 | Ultrasonic testing tool for welding line of safety injection pipe of pressure vessel in nuclear power station |
| CN102855950A (en) * | 2012-07-31 | 2013-01-02 | 清华大学 | Defect detection device and using method thereof for heat transfer tube of steam generator |
| CN203443931U (en) * | 2013-08-21 | 2014-02-19 | 上海蓝滨石化设备有限责任公司 | Small-size bicrystal curved surface longitudinal wave ultrasonic probe |
| CN204045223U (en) * | 2014-05-09 | 2014-12-24 | 常州市常超电子研究所有限公司 | Winding displacement is nuclear power evaporator heat-transfer pipe endoporus failure detector easily |
Non-Patent Citations (1)
| Title |
|---|
| 小径薄壁管环缝用超声波探头的研制;周路云 等;《化工设备与管道》;20120630;第49卷(第3期);第67-71页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103928067A (en) | 2014-07-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2515579C2 (en) | Steam generator | |
| BR112012018271A2 (en) | ocean thermal power conversion plant | |
| CN111105883A (en) | Heat pipe reactor system with supercritical carbon dioxide as thermoelectric conversion working medium | |
| CN103928067B (en) | Winding displacement is nuclear power evaporator heat-transfer pipe endoporus failure detector easily | |
| CN204045223U (en) | Winding displacement is nuclear power evaporator heat-transfer pipe endoporus failure detector easily | |
| JP6041688B2 (en) | Water jet peening equipment | |
| CN103807571B (en) | Optical resist pipeline sleeve pipe thermal insulation apparatus | |
| CN204045221U (en) | There is the nuclear power evaporator heat-transfer pipe endoporus failure detector of thickness measuring function | |
| CN204045222U (en) | Nuclear power evaporator heat-transfer pipe endoporus failure detector | |
| CN109140106A (en) | A kind of heat tracing pipeline synergy mounting device | |
| CN201129591Y (en) | Sodium cold fast stacking pipeline structure | |
| CN103943156B (en) | There is the nuclear power evaporator heat-transfer pipe endoporus failure detector of thickness measuring function | |
| CN203718276U (en) | Drawing core expansion type mechanical end cap for heat transfer pipe | |
| JP5968160B2 (en) | Apparatus and method for measuring bearing capacity of heat transfer tube | |
| CN103943155B (en) | Flaw detection device for inner hole of heat transfer pipe of nuclear-power evaporator | |
| CN105679384B (en) | Small nuclear power plant | |
| CN205479927U (en) | But hot oil line of heating device self -checking | |
| CN202813324U (en) | Heat pipe type vapor generator for nuclear power unit | |
| CN203653988U (en) | Energy-saving and water-saving ageing system | |
| CN104949806A (en) | Leakage detection device of waste heat recovery heat exchanger | |
| AR102984A1 (en) | STEAM GENERATOR COOPORTATOR COLLECTOR WITH U-SHAPED HORIZONTAL HORIZONTAL HEAT EXCHANGING AND ASSEMBLY METHOD OF THE SAME | |
| CN103791748B (en) | A kind of safety type steam generator heat exchanger tube structure | |
| CN209464826U (en) | The passive condensation water-vapor removing device of stator cooling water case hydrogen monitoring probe | |
| CN106898392B (en) | A kind of main steam system of total head design | |
| CN203053894U (en) | Tube and tube plate fillet welding line radiographic detection exposure head |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Zhengqing Inventor after: Zhou Nanqi Inventor before: Zhou Nanqi |
|
| CB03 | Change of inventor or designer information |