JPH02109249U - - Google Patents
Info
- Publication number
- JPH02109249U JPH02109249U JP1774089U JP1774089U JPH02109249U JP H02109249 U JPH02109249 U JP H02109249U JP 1774089 U JP1774089 U JP 1774089U JP 1774089 U JP1774089 U JP 1774089U JP H02109249 U JPH02109249 U JP H02109249U
- Authority
- JP
- Japan
- Prior art keywords
- tube
- boiler tube
- probe
- flaw detection
- boiler
- 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
- 239000000523 sample Substances 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000007547 defect Effects 0.000 claims 1
- 238000012856 packing Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000002184 metal Substances 0.000 description 1
Classifications
-
- 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
- G01N2291/04—Wave modes and trajectories
- G01N2291/044—Internal reflections (echoes), e.g. on walls or defects
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Description
第１図は本考案の一実施例の断面図、第２図は
従来装置の断面図、第３図はボイラチユーブ間を
整列金物を介して一体に溶接した部分の側面図、
第４図は第３図の―矢視拡大図である。
図中、１はプローブ、３は探触子、５はフロー
ト、６は探傷ケーブル、７は管寄管台、８は外壁
面、９はボイラチユーブ、９ａは中空部、１１は
溶接部、１２は流体通路、１３は整列金物、１５
はプローブ挿入装置用チユーブ、１６はフランジ
、１７はパツキン、１８は切込み、１９は反射体
、Ａは水流を示す。
FIG. 1 is a sectional view of an embodiment of the present invention, FIG. 2 is a sectional view of a conventional device, and FIG. 3 is a side view of a portion where boiler tubes are welded together via alignment metal fittings.
FIG. 4 is an enlarged view of FIG. 3 in the direction of the - arrow. In the figure, 1 is a probe, 3 is a probe, 5 is a float, 6 is a flaw detection cable, 7 is a pipe stand, 8 is an outer wall surface, 9 is a boiler tube, 9a is a hollow part, 11 is a welded part, 12 is a fluid passage, 13 is an alignment hardware, 15
16 is a tube for a probe insertion device, 16 is a flange, 17 is a gasket, 18 is a notch, 19 is a reflector, and A is a water flow.
Claims (1)
る複数のフロートを備えた探傷ケーブルを、管寄
管台の流体通路及び、中空部が前記流体通路とを
連通する様管寄管台の外壁面に溶接されたボイラ
チユーブ内へ、水流により送給しつつ、前記溶接
部、あるいは前記ボイラチユーブとボイラチユー
ブの整列金物との溶接部の欠陥を検出し得る様に
したボイラチユーブの探傷装置において、前記探
傷ケーブルを水流により送給するプローブ挿入装
置用チユーブの管寄管台側端部フランジと、管寄
管台に接触するパツキンとの間に、内周面に探触
子から発する超音波を反射し得る切込みを設けた
反射体を介在させたことを特徴とするボイラチユ
ーブの探傷装置。 A flaw detection cable equipped with at least a probe, a probe, and a plurality of floats located at equal intervals is attached to the fluid passage of the tube head and the outer wall surface of the tube head so that the hollow part communicates with the fluid passage. In the boiler tube flaw detection device, which is capable of detecting defects in the welded portion or the welded portion between the boiler tube and the alignment hardware of the boiler tube while feeding water into the welded boiler tube by a flow, The ultrasonic waves emitted from the probe are reflected on the inner peripheral surface between the end flange on the side of the tube head of the tube for the probe insertion device that feeds the flaw detection cable by water flow, and the packing that contacts the tube head. A boiler tube flaw detection device characterized by interposing a reflector with a notch that allows the boiler tube to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1774089U JPH02109249U (en) | 1989-02-17 | 1989-02-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1774089U JPH02109249U (en) | 1989-02-17 | 1989-02-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02109249U true JPH02109249U (en) | 1990-08-31 |
Family
ID=31231793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1774089U Pending JPH02109249U (en) | 1989-02-17 | 1989-02-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02109249U (en) |
-
1989
- 1989-02-17 JP JP1774089U patent/JPH02109249U/ja active Pending
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