CN85201097U - Ultrasonic inspecting device for detecting crackle on the inside surface of thick tube wall at high temperature - Google Patents
Ultrasonic inspecting device for detecting crackle on the inside surface of thick tube wall at high temperature Download PDFInfo
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- CN85201097U CN85201097U CN 85201097 CN85201097U CN85201097U CN 85201097 U CN85201097 U CN 85201097U CN 85201097 CN85201097 CN 85201097 CN 85201097 U CN85201097 U CN 85201097U CN 85201097 U CN85201097 U CN 85201097U
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- probe
- high temperature
- ultrasonic
- tube wall
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- 208000037656 Respiratory Sounds Diseases 0.000 title abstract description 9
- 239000000523 sample Substances 0.000 claims abstract description 45
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 241000555745 Sciuridae Species 0.000 claims description 4
- 238000007689 inspection Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000005336 cracking Methods 0.000 abstract description 2
- 230000001066 destructive effect Effects 0.000 abstract 3
- 239000000463 material Substances 0.000 abstract 1
- 238000002791 soaking Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009659 non-destructive testing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model discloses an ultrasonic inspecting device for detecting the crackle on the inside surface of the thick tube wall at high temperature, belonging to the field of the ultrasonic non-destructive inspection. The prior detection device can detect the fine grain pipe material and can not conduct the ultrasonic non-destructive inspection for the coarse grain high temperature thick tube wall. The utility model is characterized in that a probe driver can drive the probe for conducting upward and downward uniform motion along the pipe and adopt the water soaking type probe group with the frequency from the 0.8 to 1.1 mhz to send and receive the ultrasonic wave signal for implementing the high temperature member detection with the coarse grain. The device can be used for the reformer tube of the petrochemical plant and the on-site non-destructive inspection of the cracking furnace tube, with easy use.
Description
The utility model belongs to the Ultrasonic NDT field.
In existing device, the frequency of ultrasonic inspection is general all more than 1.25MHz, is only applicable to the detection of fine grain steel.Can not detect the thick high temperature heavier walled fitting of crystal grain.
In order to solve the Ultrasonic Detection problem of the thick austenitic steel underbead crack of crystal grain, and can carry out ad hoc the utility model pick-up unit of having counted at the scene.
Design of the present utility model is, utilize the ultrasound wave characteristic strong to the coarse-grained steel penetration capacity, select specific probe group, adopt special on pipe fitting the probe driver of uniform motion, be connected with existing reflectoscope, signal converter, two function recording instrument couplings, to realize the on-the-spot Non-Destructive Testing of high temperature heavier walled fitting inner surface cracks.
Supersonic detection device by the probe driver (1), reflectoscope (4), signal converter (5), two function recording instruments (6) (or microsystem (8)) combine.Probe driver (1) is made up of the support body that steel wheel and rubber wheel are housed and pneumatic (or electronic) system.By wheel and tube wall frictional force probe driver (1) is remained on the pipe fitting, make drive source with pressurized air (or electric power), through air motor (or squirrel-cage motor), worm and gear, odontoid belt, the rubber wheel that drives on the device rolls.Probe driver (1) drives probe along pipe fitting uniform motion up and down, finishes whole pipe fitting is surveyed automatically.Probe group (2) and probe group (3) are installed in respectively on the probe driver (1).Each probe group receives only probe by a transmitting probe and respectively and forms.The transmitting probe emission is from the signal of reflectoscope (4); Receiving transducer is input to reflectoscope (4) with the ultrasonic signal that receives.During detection at reflectoscope (4) but video screen on Direct observation and analyze the crackle situation.After the signal that converter (5) is received reflectoscope (4) takes out and regulates, amplifies, deliver to the crackle situation that two function recording instrument (6) write down the high temperature heavier walled fitting automatically.According to different requirements, also can be input to microsystem (8) to the signal of converter (5) through A/D converter (7) and handle, to show and to print the crackle situation of tested pipe fitting.The utility model technical parameter: reflectoscope is the defectoscope of a binary channels, broadband, burst pulse, and repetition frequency is 500Hz or 250Hz.Transmitting probe adopts immersion type compressional wave line focus probe, and frequency is 0.8～1.1MHz, and focal length is 30～50mm.The crystal-tipped diameter of probe is 15～25mm.Receiving transducer is that wafer diameter is the immersion type flat probe of 15～25mm, and frequency is 0.8～1.1MHz.Adopt water purification to make couplant, the normal and the pipe angle radially of probe wafer are 12～17 °.
This device can be used for chemical fertilizer factory's reformer tube, ethene and the Non-Destructive Testing of methanol device cracking furnace pipe inner surface cracks.Detect the I of crack depth and reach 3mm.Adopt this device, can be to the reburner safety in production of petrochemical unit, scheduled overhaul and replacing boiler tube provide important evidence.And then can definite boiler tube continue the normal time of moving and should changing.If a large-scale chemical fertilizer factory because of the reformer tube fault stops production, will lose 60～700,000 yuan (accounting for gross annual output value 0.6～0.7%) whole stove boiler tube because testing result is moved 1 year more in one day, can save 150,000 yuan of boiler tube costs (accounting for boiler tube total cost investment 10%).
Be description of drawings of the present utility model below.
Fig. 1. be the synoptic diagram of high temperature heavier walled fitting inner surface cracks supersonic detection device, comprise six parts.
Probe driver (1), probe group (2), probe group (3), reflectoscope (4), converter (5), two function recording instruments (6) (or A/D converter (7) and microsystem (8)).
Probe driver (1) can drive probe along boiler tube (9) uniform motion up and down.Reflectoscope (4) can transmit and receive ultrasonic signal.And can directly on video screen, demonstrate boiler tube inner surface cracks situation.Converter (5) is that the signal that defectoscope (4) receives is input to two function recording instrument (6) through adjusting, amplification.Two function recording instruments (6) write down (or with the signal of converter (5) output, carry out analog to digital conversion by A/D converter (7), be input to microsystem (8) again and show and print testing result) automatically to the crackle situation.The each several part of high temperature heavier walled fitting inner surface cracks Ultrasonic NDT device can be assembled easy to use at the detection scene, must not dismantle tested pipe fitting and can carry out the scene detection.
Fig. 2 is the synoptic diagram of probe driver (1), comprises five parts.
The probe driver is made up of side arm (18), after-frame (17), air motor (or squirrel cage motor) (12), worm and gear (13), odontoid belt (14).
To be clamped on the pipe fitting (9) by bolt spring group (10) with the side arm (18) of rubber wheel (16) and the after-frame (17) of band steel wheel (15).On the panel of side arm (18), air motor (or squirrel cage motor) (12) and commutator (11) are installed.Pass on the rubber wheel shaft of side arm (18) through one group of worm and gear (13) and odontoid belt (14) power air motor (or squirrel cage motor) (12).By rubber wheel the friction of pipe face is driven support body and move up and down, thereby make two groups of probes that are contained on forward and backward finish detection whole pipe fitting along the pipe fitting surface.
The specific embodiment step of this device is as follows:
1, transmitting probe and receiving transducer are used shielding line be connected respectively with reflectoscope (4).The driver (1) of will popping one's head in then is clamped on the boiler tube to be measured (9), connects source of the gas (or power supply), starts probe driver (1), makes it be parked in the lower end of boiler tube.Open the water source, make probe and the coupling of tube wall water-filling.
2, by converter (5) reflectoscope (4) is connected with two function recording instrument (6), starts reflectoscope (4) power supply, treated 1～2 minute, on the video screen of reflectoscope (4), can demonstrate received signal.
3, start probe driver (1),, observe the waveform on the video screen of reflectoscope (4) from bottom to top, tentatively judge the crackle situation of pipe, till the upper end of pipe.By commutator (11) commutation, probe driver (1) is from top to bottom moved then, use a two function recording instrument (6) record crackle situations simultaneously, till the bottom of pipe, promptly finish the detection of whole boiler tube.
4, the driver (1) of will popping one's head in is again changed on other boiler tube to be measured, repeats above-mentioned work, till having surveyed all boiler tubes to be measured.
Claims (3)
1, a kind of ultrasonic detection equipment, high temperature heavier walled fitting inner surface cracks supersonic detection device, its device include reflectoscope [4], converter [5], two function recording instruments [6].It is characterized in that also comprising a probe driver [1] and probe group [2] and probe group [3].
2, high temperature heavier walled fitting inner surface cracks pick-up unit according to claim 1, wherein, above-mentioned said probe driver (1) is driven by air motor (or squirrel cage motor) (12).
3, high temperature heavier walled fitting inner surface cracks pick-up unit according to claim 1, wherein, above-mentioned said probe group (2) and probe group (3), each probe group are made up of a transmitting probe and a receiving transducer respectively.The frequency of its transmitting probe is 0.8～1.1MHz, and the line focus focal length is 30～50mm.Probe wafer normal and pipe angle radially are 12～17 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85201097 CN85201097U (en) | 1985-04-01 | 1985-04-01 | Ultrasonic inspecting device for detecting crackle on the inside surface of thick tube wall at high temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85201097 CN85201097U (en) | 1985-04-01 | 1985-04-01 | Ultrasonic inspecting device for detecting crackle on the inside surface of thick tube wall at high temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN85201097U true CN85201097U (en) | 1986-02-05 |
Family
ID=4797245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 85201097 Withdrawn CN85201097U (en) | 1985-04-01 | 1985-04-01 | Ultrasonic inspecting device for detecting crackle on the inside surface of thick tube wall at high temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN85201097U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175581A (en) * | 2011-02-14 | 2011-09-07 | 北京有色金属研究总院 | Method for observing thick grain structure of ingot casting by using C-scanning ultrasonic flaw detector |
| CN101351278B (en) * | 2005-11-04 | 2012-03-21 | 帝国创新有限公司 | Ultrasonic non-destructive testing |
| CN101641594B (en) * | 2007-07-12 | 2013-03-27 | 独立行政法人产业技术综合研究所 | High-pressure tank damage detecting method and device therefor |
| CN105510448A (en) * | 2015-12-31 | 2016-04-20 | 湖北工业大学 | Wall-thickness-variable automatic ultrasonic flaw detection system and method |
| CN109709211A (en) * | 2017-10-26 | 2019-05-03 | 南京驰新科技有限责任公司 | The detection method of SECTION TUBE FOR HYDROGEN MANNU-FACTURING FURNACE boiler tube |
-
1985
- 1985-04-01 CN CN 85201097 patent/CN85201097U/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101351278B (en) * | 2005-11-04 | 2012-03-21 | 帝国创新有限公司 | Ultrasonic non-destructive testing |
| CN101976562B (en) * | 2005-11-04 | 2017-04-26 | 帝国创新有限公司 | Ultrasonic non-destructive testing |
| CN101641594B (en) * | 2007-07-12 | 2013-03-27 | 独立行政法人产业技术综合研究所 | High-pressure tank damage detecting method and device therefor |
| CN102175581A (en) * | 2011-02-14 | 2011-09-07 | 北京有色金属研究总院 | Method for observing thick grain structure of ingot casting by using C-scanning ultrasonic flaw detector |
| CN105510448A (en) * | 2015-12-31 | 2016-04-20 | 湖北工业大学 | Wall-thickness-variable automatic ultrasonic flaw detection system and method |
| CN109709211A (en) * | 2017-10-26 | 2019-05-03 | 南京驰新科技有限责任公司 | The detection method of SECTION TUBE FOR HYDROGEN MANNU-FACTURING FURNACE boiler tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |