CN112858478A - Ultrasonic detection device and method for fillet weld of boiler pipeline connection pipe seat - Google Patents
Ultrasonic detection device and method for fillet weld of boiler pipeline connection pipe seat Download PDFInfo
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- CN112858478A CN112858478A CN202110105121.2A CN202110105121A CN112858478A CN 112858478 A CN112858478 A CN 112858478A CN 202110105121 A CN202110105121 A CN 202110105121A CN 112858478 A CN112858478 A CN 112858478A
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- fillet weld
- ultrasonic
- boiler
- pipe
- wafer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/24—Probes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
- G01N2291/0234—Metals, e.g. steel
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention discloses an ultrasonic detection device and method for a fillet weld of a boiler pipeline connecting pipe seat, which comprises a fillet weld, an inclined probe, a cable and an ultrasonic detector, wherein the inclined probe is arranged on the fillet weld; the inclined probe comprises a wafer and an acoustic wedge block, the wafer is embedded in the acoustic wedge block, the wafer is distributed in an inclined mode, the acoustic wedge block is matched with the outer wall of a boiler pipeline to be detected, a connecting pipe is fixed on the outer wall of the boiler pipeline to be detected through a fillet weld, an ultrasonic detector is connected with the wafer, an acoustic beam generated by the wafer penetrates through the acoustic wedge block and then is refracted into the boiler pipeline to be detected, the acoustic beam is reflected and then is detected on the fillet weld, an ultrasonic signal representing the internal quality of the fillet weld is received by the ultrasonic detector through a cable, the device and the method can carry out ultrasonic detection on the fillet weld of a connecting pipe seat of the boiler pipeline, and all defects and problems affecting the internal quality of the.
Description
Technical Field
The invention belongs to the technical field of ultrasonic detection of fillet welds of pipe connecting seats of boiler pipelines, and relates to an ultrasonic detection device and method for the fillet welds of the pipe connecting seats of the boiler pipelines.
Background
At present, the ultrasonic detection method for the fillet weld of the boiler pipe connecting pipe seat is complex, and the inclined probe is placed on the boiler pipe and the connecting pipe. And because the conventional angle probe is smaller, especially when ultrasonic detection is carried out on the whole circumference of the fillet weld of the small-size connecting pipe seat, the detection is easily missed when the traditional angle probe is directly held by hands to carry out detection.
In order to ensure that the ultrasonic detection of the fillet weld of the boiler pipe connecting seat cannot miss detection, the sound beam can cover the whole circumference of the fillet weld by 100 percent, and the ultrasonic detection is convenient to operate and time-saving, it is necessary to develop an ultrasonic detection device and a detection method for the fillet weld of the boiler pipe connecting seat, all defects and problems influencing the internal quality of the fillet weld can be rapidly and comprehensively discovered, technical support is provided for safe operation and efficient supervision and management of the fillet weld of the boiler pipe connecting seat, and technical reference can also be provided for service life evaluation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an ultrasonic detection device and method for the fillet weld of the boiler pipe connecting tube seat.
In order to achieve the aim, the ultrasonic detection device for the fillet weld of the boiler pipeline connecting pipe seat comprises an inclined probe, a cable and an ultrasonic detector;
the inclined probe comprises a wafer and an acoustic transmission wedge block, the wafer is embedded in the acoustic transmission wedge block, the wafer is distributed in an inclined mode, the acoustic transmission wedge block is matched with the outer wall of the boiler pipeline to be detected, the connecting pipe is fixed on the outer wall of the boiler pipeline to be detected through a fillet weld, and the ultrasonic detector is connected with the wafer.
The primary refracted beam can cover all of the fillet welds.
The sound-transmitting wedge block is provided with a handle.
The front edge of the sound-transmitting wedge block is parallel to the whole circumference of the fillet weld with the same center.
The ultrasonic detection method for the fillet weld of the boiler pipe connecting tube seat comprises the following steps:
after the power is switched on, the sound beam generated by the wafer penetrates out of the sound-transmitting wedge block to form a refraction sound beam which reaches the boiler pipeline to be detected, the fillet weld is detected after the refraction sound beam is reflected, then an ultrasonic signal representing the internal quality of the fillet weld is received by an ultrasonic detector, and finally the quality of the fillet weld of the boiler pipeline connecting pipe seat is judged according to the received ultrasonic signal.
The invention has the following beneficial effects:
the ultrasonic detection device and the ultrasonic detection method for the fillet weld of the boiler pipe connecting pipe seat have the advantages that during specific operation, an inclined probe is not required to be placed on a connecting pipe, the probe is only required to be placed on a boiler pipe, during detection, a sound beam generated by a wafer penetrates through the sound-transmitting wedge block and then is refracted into the boiler pipe to be detected, the fillet weld is detected after reflection, then an ultrasonic signal representing the internal quality of the fillet weld is received by the ultrasonic detector through a cable, and all defects and problems affecting the internal quality of the fillet weld can be quickly and comprehensively discovered as long as the arc-shaped front edge of the sound-transmitting wedge block is ensured to be always parallel to the whole circle of the fillet weld in a concentric manner during movement, so that the.
Furthermore, the handle is arranged on the oblique probe, so that the oblique probe can be conveniently moved in the whole circle.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
fig. 2 is a top view of the present invention.
Wherein, 1 is a connecting pipe, 2 is a fillet weld, 3 is a boiler pipeline, 4 is a handle, 5 is an acoustic transmission wedge block, 6 is a front edge, 7 is a wafer, 8 is an acoustic beam, 9 is a cable and 10 is an ultrasonic detector.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1, the ultrasonic testing device for the fillet weld of the boiler pipe connecting pipe seat of the invention comprises a fillet weld, an inclined probe, a cable 9 and an ultrasonic detector 10; the inclined probe comprises a wafer 7 and an acoustic-transmission wedge block 5, the wafer 7 is embedded in the acoustic-transmission wedge block 5, the wafer 7 is distributed in an inclined mode, the acoustic-transmission wedge block 5 is matched with the outer wall of a boiler pipeline 3 to be detected, a connecting pipe 1 is fixed on the outer wall of the boiler pipeline 3 to be detected through an angle weld 2, an ultrasonic detector 10 is connected with the wafer 7, a sound beam generated by the wafer 7 penetrates through the acoustic-transmission wedge block 5 to form a refraction sound beam 8 and reaches the inside of the boiler pipeline 3 to be detected, the angle weld 2 is detected after reflection, and then an ultrasonic signal representing the internal quality of the angle weld 2 is received by the ultrasonic detector 10 through.
The primary reflected acoustic beam 8 can cover all fillet welds 2; the sound-transmitting wedge 5 is provided with a handle 4; the leading edge 6 of the acoustically transparent wedge 5 is concentrically parallel to the fillet weld 2 around its entire circumference.
The ultrasonic detection method for the fillet weld of the boiler pipe connecting tube seat comprises the following steps:
after the power is switched on, the sound beam generated by the wafer 7 penetrates out of the sound-transmitting wedge 5 to form a refraction sound beam 8 which reaches the boiler pipeline 3 to be detected, the fillet weld 2 is detected after the refraction sound beam is reflected, then an ultrasonic signal representing the internal quality of the fillet weld 2 is received by the ultrasonic detector 10, and finally the quality of the fillet weld of the boiler pipeline connecting pipe seat is judged according to the received ultrasonic signal.
During ultrasonic detection, the inclined probe is placed on a boiler pipeline 3 with a relatively large size and does not need to be placed on the connecting pipe 1, the front edge 6 of the sound-transmitting wedge block 5 is concentric with the whole circumference of the fillet weld 2, the handle 4 is installed on the inclined probe, an ultrasonic detector holds the handle 4 to move the inclined probe around the whole circumference of the fillet weld 2 according to the direction shown in the figure 2, the inclined probe can cover the fillet weld 2 by 100% as long as the arc-shaped front edge 6 of the sound-transmitting wedge block 5 is always concentric with the whole circumference of the fillet weld 2 in the moving process, the distance of scanning front and back of the inclined probe only needs to be the width L of the fillet weld 2, and one-time reflected waves can not leak detection and meet the detection requirement.
Claims (9)
1. An ultrasonic detection device for a fillet weld of a boiler pipeline connecting pipe seat is characterized by comprising a fillet weld (2), an inclined probe and an ultrasonic detector (10);
the inclined probe comprises a wafer (7) and an acoustic transmission wedge block (5), the wafer (7) is embedded in the acoustic transmission wedge block (5), the acoustic transmission wedge block (5) is matched with the outer wall of the boiler pipeline to be tested (3), the connecting pipe (1) is fixed on the outer wall of the boiler pipeline to be tested (3) through a fillet weld (2), and the ultrasonic detector (10) is connected with the wafer (7).
2. The ultrasonic boiler tube socket fillet weld detection device according to claim 1, characterized in that the primary refracted sound beam (8) can cover the entire fillet weld (2).
3. The ultrasonic testing device for the fillet weld of the pipe connecting seat of the boiler pipe as claimed in claim 1, wherein the sound-transmitting wedge (5) is provided with a handle (4).
4. The ultrasonic testing device of the fillet weld of the pipe connecting seat of the boiler pipe as claimed in claim 1, wherein the leading edge (6) of the sound-transmitting wedge (5) is concentrically parallel to the fillet weld (2) over the entire circumference.
5. The ultrasonic testing device of the fillet weld of the pipe connecting seat of the boiler pipe as recited in claim 1, wherein the distance of the back and forth scanning of the oblique probe is equal to the width of the fillet weld 2.
6. The ultrasonic testing device of the fillet weld of the pipe connecting seat of the boiler pipe as claimed in claim 1, wherein the ultrasonic tester (10) is connected with the wafer (7) through a cable (9).
7. The ultrasonic testing device of the fillet weld of the pipe connecting seat of the boiler pipe as claimed in claim 1, characterized in that the ultrasonic signal representing the internal quality of the fillet weld (2) is received by the ultrasonic testing device (10) via the cable (9).
8. The ultrasonic testing device of the fillet weld of the pipe connecting seat of the boiler tube according to the claim 1, characterized in that the wafers (7) are distributed obliquely.
9. An ultrasonic detection method for the fillet weld of the boiler pipe connecting tube base is characterized in that the ultrasonic detection device for the fillet weld of the boiler pipe connecting tube base based on the claim 1 comprises the following steps:
after the power is switched on, the sound beam generated by the wafer (7) penetrates out of the sound-transmitting wedge block (5) to form a refraction sound beam (8) and reaches the boiler pipeline (3) to be detected, the fillet weld (2) is detected after the refraction sound beam is reflected, then an ultrasonic signal representing the internal quality of the fillet weld (2) is received by an ultrasonic detector (10), and finally the quality of the fillet weld of the boiler pipeline connecting pipe seat is judged according to the received ultrasonic signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110105121.2A CN112858478A (en) | 2021-01-26 | 2021-01-26 | Ultrasonic detection device and method for fillet weld of boiler pipeline connection pipe seat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110105121.2A CN112858478A (en) | 2021-01-26 | 2021-01-26 | Ultrasonic detection device and method for fillet weld of boiler pipeline connection pipe seat |
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| Publication Number | Publication Date |
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| CN112858478A true CN112858478A (en) | 2021-05-28 |
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| CN202110105121.2A Pending CN112858478A (en) | 2021-01-26 | 2021-01-26 | Ultrasonic detection device and method for fillet weld of boiler pipeline connection pipe seat |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114280144A (en) * | 2021-11-17 | 2022-04-05 | 东方电气集团东方锅炉股份有限公司 | Angle-rotatable ultrasonic probe and ultrasonic detection method for weld defects |
| WO2023245964A1 (en) * | 2022-06-23 | 2023-12-28 | 西安热工研究院有限公司 | Phased array ultrasonic testing apparatus and method for bolt hole crack |
-
2021
- 2021-01-26 CN CN202110105121.2A patent/CN112858478A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114280144A (en) * | 2021-11-17 | 2022-04-05 | 东方电气集团东方锅炉股份有限公司 | Angle-rotatable ultrasonic probe and ultrasonic detection method for weld defects |
| CN114280144B (en) * | 2021-11-17 | 2023-12-08 | 东方电气集团东方锅炉股份有限公司 | Rotatable angle ultrasonic probe and weld defect ultrasonic detection method |
| WO2023245964A1 (en) * | 2022-06-23 | 2023-12-28 | 西安热工研究院有限公司 | Phased array ultrasonic testing apparatus and method for bolt hole crack |
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