CN105973977A - Device and method for detecting annular cracks of fire facing side of water-cooling wall of boiler - Google Patents
Device and method for detecting annular cracks of fire facing side of water-cooling wall of boiler Download PDFInfo
- Publication number
- CN105973977A CN105973977A CN201610531021.5A CN201610531021A CN105973977A CN 105973977 A CN105973977 A CN 105973977A CN 201610531021 A CN201610531021 A CN 201610531021A CN 105973977 A CN105973977 A CN 105973977A
- Authority
- CN
- China
- Prior art keywords
- detection
- boiler water
- water wall
- eddy current
- dolly
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000001816 cooling Methods 0.000 title abstract description 6
- 238000001514 detection method Methods 0.000 claims abstract description 129
- 239000000523 sample Substances 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 65
- 239000007921 spray Substances 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 9
- 238000012423 maintenance Methods 0.000 claims description 9
- 230000000630 rising effect Effects 0.000 claims description 7
- 238000012790 confirmation Methods 0.000 claims description 3
- 238000010410 dusting Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000000571 coke Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
- 238000000151 deposition Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000006247 magnetic powder Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9013—Arrangements for scanning
- G01N27/902—Arrangements for scanning by moving the sensors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9073—Recording measured data
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Landscapes
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The invention discloses a device and a method for detecting annular cracks of a fire facing side of a water-cooling wall of a boiler. The device comprises a detection trolley, wherein wheels are arranged at four corners of the bottom part of the detection trolley; an electromagnet sleeve is arranged in each wheel, and is used for vertically absorbing the detection trolley onto the wall surface of the fire facing side of the water-cooling wall of the boiler; an eddy detection probe and an electric grinding wheel are arranged on the bottom part of the detection trolley. The annular crack of the fire facing side of the water-cooling wall of the boiler can be timely detected by the detection trolley, the detection trolley can detect each position by self, and the building of any movable or fixed detection platform is not needed; by arranging the electric grinding wheel, the ash coke layer with influence to the detection, which is attached onto the surface of the pipe, can be timely cleaned; by arranging a dust-settling spraying head, the detection environment can be improved. The automatic detection device has the advantages that the flexibility and convenience in use are realized, the detection speed is high, the construction period is short, the detection accuracy meets multiple requirements, and the application prospect is good.
Description
Technical field
The present invention relates to crack detection technical field, be specifically related to a kind of boiler water wall to fire side ring to crack detection device and method.
Background technology
In order to meet national requirements for environmental protection, electricity generation boiler is under the conditions of low nitrogen burning, and water-cooling wall hoop corrosion fatigue crack easily occurs to fire side, it has also become currently affect the major hidden danger of the safe and stable operation of boiler, therefore, currently boiler water wall is carried out periodic detection and maintenance is the most necessary.At present, only when the maintenance duration scheduled overhaul more than 20 days, it is possible in boiler furnace, set up integral lifting platform or full burner hearth scaffold checks, also the most macroscopical and small part ad-hoc location the magnetic powder inspection of detection methods is spot-check, magnetic powder inspection is higher to detection surface requirements, and Real Time Observation must sentence wound, detection speed is slow, therefore can not detect on a large scale.And ad hoc inspection and repair or mediate because of the duration shorter, typically have little time to set up full burner hearth foot hands or hoistable platform, the chance the most not checked.In order to find such defect in time, reasonable arrangement overhauls, and is badly in need of one and checks device, is independent of setting up full burner hearth and checks platform, and the optional position that can independently arrive water-cooling wall is used for quickly detecting.
Summary of the invention
The invention aims to overcome existing detection technique that to fire side circumferential crack, boiler water wall is carried out detection be required to set up full burner hearth and fix scaffold or traveling overhaul platform, the time between overhauls(TBO) is long, detects slow-footed problem.The boiler water wall of the present invention to fire side ring to crack detection device and method, can check that dolly can check each position voluntarily, it is not necessary to set up foot rest in time by checking that dolly carries out circumferential crack detection to boiler water wall to fire side, it is convenient to check, and it is provided with electric grinding wheel, the grey focus layer being attached on water screen tube surface is cleared up, improves accuracy of detection, depositing dust fog-spray nozzle it is provided with in polishing, the detection cycle is short, and precision is high, has a good application prospect.
In order to achieve the above object, the technical solution adopted in the present invention is:
nullA kind of boiler water wall to fire side ring to crack detection device，It is characterized in that: include detecting dolly，Bottom described detection dolly, corner is mounted on wheel，In described wheel, electromagnet sleeve is installed，Described electromagnet sleeve is for adsorbing detection cart vertical at boiler water wall to fire side wall surface，Servomotor and the control circuit board of the vehicle wheel rotation driving it it is provided with in described detection dolly，The bottom of described detection dolly is provided with the eddy current probe for detecting circumferential crack at rear wheel，Described eddy current probe、Servomotor、Electric grinding wheel is connected with control circuit board respectively，Described control circuit board is connected with detection terminal wireless by its internal wireless communication module，The bottom of described detection dolly is provided with electric grinding wheel at front vehicle wheel，Described electric grinding wheel is for removing the grey focus layer being attached on water screen tube surface，Described electric grinding is taken turns、The edge bottom of eddy current probe matches with 1/4 arc length of water screen tube outer wall girth.
Aforesaid a kind of boiler water wall to fire side ring to crack detection device, it is characterised in that: the upper surface of described detection dolly is provided with is easy to handle that is hand-held and that fasten safety rope.
Aforesaid a kind of boiler water wall to fire side ring to crack detection device, it is characterised in that: be additionally provided with the fog-spray nozzle for dedusting bottom the detection dolly on front side of described electric grinding wheel.
Aforesaid a kind of boiler water wall to fire side ring to crack detection device, it is characterised in that: described eddy current probe is for detecting 0.5mm and the circumferential crack of the above degree of depth.
Based on above-mentioned boiler water wall to fire side ring to the detection method of crack detection device, it is characterised in that: comprise the following steps,
Step (A), by detection dolly by being adsorbed onto boiler water wall on fire side wall surface with the wheel of electromagnet sleeve, climbs to predetermined detection voluntarily highly, and opens eddy current probe, carry out circumferential crack detection；
Step (B), by control circuit board remote control detection dolly at boiler water wall to fire side shifting, when rising and falling occurs in the front side wheel of remote control detection dolly, performs step (C)；When normally travelling, whether eddy current probe detection boiler water wall exists circumferential crack to fire side, when eddy current probe detects circumferential crack, eddy current probe produces eddy current to control circuit board, after control circuit board processes, record out current location, and be sent to detect terminal by wireless communication module；
Step (C), when rising and falling occurs in the front side wheel of remote control detection dolly, open electric grinding wheel and remove the grey focus layer being attached on water screen tube surface, open fog-spray nozzle simultaneously and carry out atomizing de-dusting, whether the boiler water wall after eddy current probe detection removes ash focus layer exists circumferential crack to fire side, when eddy current probe detects circumferential crack, eddy current probe produces eddy current to control circuit board, after control circuit board processes, record out current location, and be sent to detect terminal by wireless communication module；
Step (D), by control circuit board remote control detection dolly at boiler water wall to fire side shifting, repeat step (B), step (C), complete the circumferential crack detection to fire side of the boiler water wall to presumptive area, Maintenance of Boiler personnel, by position coordinates circumferential crack occur of detection terminal record, check confirmation and maintenance process further.
Aforesaid boiler water wall to fire side ring to the detection method of crack detection device, it is characterised in that: step (B), detection dolly boiler water wall to fire side shifting speed be 50～150mm/s.
Aforesaid boiler water wall to fire side ring to the detection method of crack detection device, it is characterised in that: step (B), when rising and falling occurs in the front side wheel of remote control detection dolly, fluctuating threshold value is 1mm, when more than 1mm, performs step (C)；When less than 1mm, travel for normal.
The invention has the beneficial effects as follows: the boiler water wall of the present invention to fire side ring to crack detection device and method, can be in time by checking that dolly carries out circumferential crack detection to boiler water wall to fire side, check that dolly can check each position voluntarily, without setting up foot rest, it is convenient to check, and it is provided with electric grinding wheel, the grey focus layer being attached on water screen tube surface affect detection is polished, improve accuracy of detection, depositing dust fog-spray nozzle it is provided with in polishing, the detection cycle is short, and precision is high, has a good application prospect.
Accompanying drawing explanation
Fig. 1 be the present invention boiler water wall to fire side ring to the structural representation of crack detection device.
In accompanying drawing, the implication of labelling is as follows:
1: detection dolly；2: wheel；3: electromagnet sleeve；4: eddy current probe；5: electric grinding is taken turns；6: handle；7: fog-spray nozzle；8: boiler water wall is to fire side.
Detailed description of the invention
Below in conjunction with Figure of description, the present invention is further illustrated.
nullAs shown in Figure 1，The boiler water wall of the present invention to fire side ring to crack detection device，Including detection dolly 1，Bottom detection dolly 1, corner is mounted on wheel 2，Electromagnet sleeve 3 is installed in wheel 2，Described electromagnet sleeve 3 is for vertically adsorbing detection dolly 1 at boiler water wall to fire side 8 sidewall，The servomotor and control circuit board driving its wheel 2 to rotate it is provided with in detection dolly 1，The bottom of described detection dolly 1 is provided with the eddy current probe 4 for detecting circumferential crack at rear wheel，Described eddy current probe 4、Servomotor、Electric grinding wheel 5 is connected with control circuit board respectively，Described control circuit board is connected with detection terminal wireless by its internal wireless communication module，Can be moved on fire side 8 at boiler water wall by Remote detection dolly 1，Direction of arrow moving direction in Fig. 1，And realize detecting terminal remote recording detection data，Maintenance process is carried out according to detection data，The bottom of detection dolly 1 is provided with electric grinding wheel 5 at front vehicle wheel，Described electric grinding wheel 5 affects the grey focus layer of detection on fire side 8 for removing boiler water wall，Described electric grinding wheel 5、The edge bottom of eddy current probe 4 matches with 1/4 arc length of water screen tube outer wall girth.
The upper surface of described detection dolly 1 is provided with to be easy to hand-held and is the handle 6 of safety rope, it is simple to hand-held carry or is safety rope, and is adsorbed onto boiler water wall on fire side 8.
It is additionally provided with the fog-spray nozzle 7 for dedusting bottom detection dolly 1 on front side of described electric grinding wheel 5, for when starting electric grinding and taking turns 5, opens fog-spray nozzle 7 and carry out dedusting depositing dust, improve the quality of the working environment of boiler water wall detection.
Described eddy current probe 4 is for detecting 0.5mm and the circumferential crack of the above degree of depth, and Detection results is good.
Based on above-mentioned boiler water wall to fire side ring to the detection method of crack detection device, comprise the following steps,
Step (A), by detection dolly 1 by being adsorbed onto boiler water wall on fire side wall surface with the wheel 2 of electromagnet sleeve, climbs to predetermined detection height voluntarily, opens eddy current probe 4, carry out circumferential crack detection；
Step (B), is moved to fire side 8 at boiler water wall by control circuit board remote control detection dolly 1, and translational speed is 50～150mm/s, and fluctuating threshold value is 1mm, when more than 1mm, performs step (C)；When less than 1mm, travel for normal, eddy current probe 4 detects whether boiler water wall exists circumferential crack to fire side 8, when eddy current probe 4 detects circumferential crack, eddy current probe 4 produces eddy current to control circuit board, after control circuit board processes, record out current location, and be sent to detect terminal by wireless communication module；
Step (C), when rising and falling occurs in the front side wheel of remote control detection dolly 1, open electric grinding wheel 5 removing boiler water wall on fire side 8, affect the grey focus layer of detection, open fog-spray nozzle 7 simultaneously and carry out atomizing de-dusting, whether the boiler water wall after eddy current probe 4 detection removes ash focus layer exists circumferential crack to fire side 8, when eddy current probe 4 detects circumferential crack, eddy current probe 4 produces eddy current to control circuit board, after control circuit board processes, record out current location, and be sent to detect terminal by wireless communication module；
Step (D), moved to fire side 8 at boiler water wall by control circuit board remote control detection dolly 1, repeat step (B), step (C), complete the circumferential crack detection to fire side 8 of the boiler water wall to presumptive area, Maintenance of Boiler personnel, by position coordinates circumferential crack occur of detection terminal record, check confirmation and maintenance process further.
In sum, the boiler water wall of the present invention to fire side ring to crack detection device and method, it is possible in time by checking that dolly carries out circumferential crack detection to boiler water wall to fire side, check that dolly can check each position voluntarily, without setting up foot rest, it is convenient to check, and is provided with electric grinding wheel, the grey focus layer of impact detection is polished, improving accuracy of detection, be provided with depositing dust fog-spray nozzle in polishing, the detection cycle is short, precision is high, has a good application prospect.
The ultimate principle of the present invention, principal character and advantage have more than been shown and described.Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; the principle that the present invention is simply described described in above-described embodiment and description; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements both fall within scope of the claimed invention.Claimed scope is defined by appending claims and equivalent thereof.
Claims (7)
- null1. a boiler water wall to fire side ring to crack detection device，It is characterized in that: include detecting dolly (1)，Corner, described detection dolly (1) bottom is mounted on wheel (2)，Electromagnet sleeve (3) is installed in described wheel (2)，Described electromagnet sleeve (3) is for vertically adsorbing detection dolly (1) at boiler water wall to fire side wall surface，The servomotor and control circuit board driving its wheel (2) to rotate it is provided with in described detection dolly (1)，The bottom of described detection dolly (1) is provided with the eddy current probe (4) for detecting circumferential crack at rear wheel，Described eddy current probe (4)、Servomotor、Electric grinding wheel (5) is connected with control circuit board respectively，Described control circuit board is connected with detection terminal wireless by its internal wireless communication module，The bottom of described detection dolly (1) is provided with electric grinding wheel (5) at front vehicle wheel，Described electric grinding wheel (5) is attached on water screen tube surface affect the grey focus layer of detection for removing，Described electric grinding wheel (5)、The edge bottom of eddy current probe (4) matches with 1/4 arc length of water screen tube outer wall girth.
- A kind of boiler water wall the most according to claim 1 to fire side ring to crack detection device, it is characterised in that: the upper surface of described detection dolly (1) is provided with is easy to handle (6) that is hand-held and that fasten safety rope.
- A kind of boiler water wall the most according to claim 1 to fire side ring to crack detection device, it is characterised in that: detection dolly (1) bottom of described electric grinding wheel (5) front side is additionally provided with the fog-spray nozzle (7) for dedusting.
- A kind of boiler water wall the most according to claim 1 to fire side ring to crack detection device, it is characterised in that: described eddy current probe (4) is for detecting 0.5mm and the circumferential crack of the above degree of depth.
- 5. based on the boiler water wall described in claim 1 to fire side ring to the detection method of crack detection device, it is characterised in that: comprise the following steps,Step (A), by detection dolly (1) by being adsorbed onto boiler water wall on fire side wall surface with the wheel (2) of electromagnet sleeve, climbs to predetermined detection height voluntarily, opens eddy current probe (4), carry out circumferential crack detection；Step (B), by control circuit board remote control detection dolly (1) at boiler water wall to fire side shifting, when rising and falling occurs in the front side wheel of remote control detection dolly (1), performs step (C)；When normally travelling, whether eddy current probe (4) detection boiler water wall exists circumferential crack to fire side, when eddy current probe (4) detects circumferential crack, eddy current probe (4) produces eddy current to control circuit board, after control circuit board processes, record out current location, and be sent to detect terminal by wireless communication module；Step (C), when rising and falling occurs in the front side wheel of remote control detection dolly (1), open electric grinding wheel (5) and remove the grey focus layer being attached on water screen tube surface, open fog-spray nozzle (7) simultaneously and carry out atomizing de-dusting, whether the boiler water wall after eddy current probe (4) detection removes corrosion fouling exists circumferential crack to fire side, when eddy current probe (4) detects circumferential crack, eddy current probe (4) produces eddy current to control circuit board, after control circuit board processes, record out current location, and be sent to detect terminal by wireless communication module；Step (D), by control circuit board remote control detection dolly (1) at boiler water wall to fire side shifting, repeat step (B), step (C), completing the circumferential crack detection to fire side of the boiler water wall to presumptive area, Maintenance of Boiler personnel check confirmation and maintenance process further by position coordinates circumferential crack occur of detection terminal record.
- 6. based on the boiler water wall described in claim 5 to fire side ring to the detection method of crack detection device, it is characterised in that: step (B), detection dolly (1) boiler water wall to fire side shifting speed be 50～150mm/s.
- 7. based on the boiler water wall described in claim 5 to fire side ring to the detection method of crack detection device, it is characterized in that: step (B), when rising and falling occurs in the front side wheel of remote control detection dolly (1), fluctuating threshold value is 1mm, when more than 1mm, perform step (C)；When less than 1mm, travel for normal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610531021.5A CN105973977A (en) | 2016-07-07 | 2016-07-07 | Device and method for detecting annular cracks of fire facing side of water-cooling wall of boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610531021.5A CN105973977A (en) | 2016-07-07 | 2016-07-07 | Device and method for detecting annular cracks of fire facing side of water-cooling wall of boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105973977A true CN105973977A (en) | 2016-09-28 |
Family
ID=56954047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610531021.5A Pending CN105973977A (en) | 2016-07-07 | 2016-07-07 | Device and method for detecting annular cracks of fire facing side of water-cooling wall of boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105973977A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106568836A (en) * | 2016-11-08 | 2017-04-19 | 上海航天精密机械研究所 | Flexible eddy-current array probe used for rapid and accurate detection of conductive material |
| CN106871828A (en) * | 2017-03-09 | 2017-06-20 | 华能国际电力开发公司铜川照金电厂 | Large-sized boiler water screen tube thickness automatic detecting device |
| CN107290427A (en) * | 2017-06-22 | 2017-10-24 | 中车青岛四方机车车辆股份有限公司 | Probe for detecting axletree defect |
| CN113103130A (en) * | 2021-05-13 | 2021-07-13 | 西安热工研究院有限公司 | Power station boiler water wall inspection device |
| CN113176283A (en) * | 2021-04-27 | 2021-07-27 | 盛安建设集团有限公司 | Automatic device for detecting welding seam of boiler tube bank |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201077480Y (en) * | 2007-05-28 | 2008-06-25 | 徐州必和科技有限公司 | Wall climbing robot for power plant water-cooled wall |
| CN105383585A (en) * | 2015-12-18 | 2016-03-09 | 哈尔滨科能熔敷科技有限公司 | Electromagnetic wheel type wall-climbing robot for measuring water cooled wall cladding layer single-point thickness |
-
2016
- 2016-07-07 CN CN201610531021.5A patent/CN105973977A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201077480Y (en) * | 2007-05-28 | 2008-06-25 | 徐州必和科技有限公司 | Wall climbing robot for power plant water-cooled wall |
| CN105383585A (en) * | 2015-12-18 | 2016-03-09 | 哈尔滨科能熔敷科技有限公司 | Electromagnetic wheel type wall-climbing robot for measuring water cooled wall cladding layer single-point thickness |
Non-Patent Citations (4)
| Title |
|---|
| 唐丽芳 等: "远场涡流技术在锅炉水冷壁管检测中的应用", 石油化工设备, vol. 39, pages 55 - 57 * |
| 王雪 等: "远场涡流技术在电站锅炉检验中的应用", 检测技术, vol. 30, no. 12, pages 25 - 28 * |
| 金南辉 等: "电站锅炉水冷壁管远场涡流检测", 无损检测, vol. 30, no. 7, pages 404 - 407 * |
| 陈照峰: "无损检测", 西北工业大学出版社, pages: 58 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106568836A (en) * | 2016-11-08 | 2017-04-19 | 上海航天精密机械研究所 | Flexible eddy-current array probe used for rapid and accurate detection of conductive material |
| CN106871828A (en) * | 2017-03-09 | 2017-06-20 | 华能国际电力开发公司铜川照金电厂 | Large-sized boiler water screen tube thickness automatic detecting device |
| CN107290427A (en) * | 2017-06-22 | 2017-10-24 | 中车青岛四方机车车辆股份有限公司 | Probe for detecting axletree defect |
| CN113176283A (en) * | 2021-04-27 | 2021-07-27 | 盛安建设集团有限公司 | Automatic device for detecting welding seam of boiler tube bank |
| CN113103130A (en) * | 2021-05-13 | 2021-07-13 | 西安热工研究院有限公司 | Power station boiler water wall inspection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105973977A (en) | Device and method for detecting annular cracks of fire facing side of water-cooling wall of boiler | |
| CN208542679U (en) | It is a kind of for taking turns pair and the Intelligent Laser cleaning system of bogie | |
| CN112987756B (en) | Blade detection robot, control method and controller | |
| CN105973978A (en) | Device and method for automatically detecting annular cracks of fire facing side of water-cooling wall of boiler | |
| ITUB20151849A1 (en) | NAVAL EMISSION TREATMENT PLANT IN THE DOORS | |
| CN109239192B (en) | High-speed train wheel detection device that detects a flaw | |
| CN106932411A (en) | A kind of equipment detection method and device for being applied to thermal power plant | |
| CN205941455U (en) | Boiler water wall warm oneself in front of a fire side annular crack detection device | |
| CN202359529U (en) | Lift type railway ballast bed dirt blowing and suction device | |
| CN107187426A (en) | A kind of purging system and method suitable for high ferro motor-car | |
| CN111678948B (en) | High-speed nondestructive detection method for surface defects of steel rail and implementation device thereof | |
| CN204807453U (en) | Aeroengine hub bucket class work piece fluorescent penetration test equipment | |
| CN107702800A (en) | A kind of coke oven thermometric robot without start-stop repeatedly | |
| CN101967533A (en) | Rotary steam exhaust and dust removal method and device for hot closed delve device | |
| CN109212031B (en) | Train wheel flaw detection method | |
| CN108063041A (en) | A kind of on-line processing method and equipment for manufacturing high-tension transformer lumen of radiator | |
| CN205941454U (en) | Automatic detection apparatus for boiler water wall warm oneself in front of a fire side annular crack | |
| CN210097275U (en) | Dust removal purifier for environmental protection equipment | |
| CN208341956U (en) | A kind of mould repairing system | |
| CN108751061A (en) | A kind of maintenance craft of the coal-fired plant boiler burner based on inspection platform | |
| CN202683362U (en) | Nozzle and rolling mill dust removal device | |
| CN214032341U (en) | Rail locomotive location position recognition device | |
| CN103866083A (en) | Method and equipment for directly injecting slag, pushing off slag and tapping steel by use of converter high-pressure gas | |
| CN203710839U (en) | Rapid waste gas treating-purifying system for dyeing and finishing | |
| CN206521492U (en) | Infrared molten iron level measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160928 |