CN205069262U - Online demagnetization device of steel pipe pipe end - Google Patents
Online demagnetization device of steel pipe pipe end Download PDFInfo
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- CN205069262U CN205069262U CN201520844558.8U CN201520844558U CN205069262U CN 205069262 U CN205069262 U CN 205069262U CN 201520844558 U CN201520844558 U CN 201520844558U CN 205069262 U CN205069262 U CN 205069262U
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- pipe end
- steel pipe
- magnetized coil
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Abstract
The utility model discloses an online demagnetization device of steel pipe pipe end, include: the voltage regulator that connects gradually, direct current fairing, change over switch, and anti magnetized coil. The industry alternating current converts certain voltage to through voltage regulator 1 after, rethread direct current fairing and change over switch carry anti magnetized coil, thereby produce magnetic field and steel pipe pipe end magnetism field interactions on anti magnetized coil, reach and eliminate steel pipe pipe end magnetic purpose. The utility model discloses an online demagnetization device of steel pipe pipe end, simple structure, safe and reliable, need not not the special messenger operation, the device adopts 220V to exchange and converts the power supply of adjustable DC power supply into, the power supply is lasting, safety, the demagnetization effect that has improved.
Description
Technical field
The utility model relates to the online degaussing gear of a kind of pipe end, and especially one can improve degaussing efficiency, reduces the degaussing gear of labor intensity of operating staff.
Background technology
Steel pipe is applied in conveying fluid or multiple industry such as powdery solid, exchange heat energy, is a kind of economical steel.But in the manufacture process of steel pipe, during welding, the large line of interior weldering and soldering tip part produce comparatively high-intensity magnetic field because of big current, and steel pipe body is under this magnetic fields, and magnetic moment obtains or trends towards obtaining the arrangement with external magnetic field equidirectional.When welding terminates, magnetic field gradually reduces, but because of hysteresis, body also has stronger remanent magnetization.Due to the existence of remanent magnetism, the carrying out of projects such as affecting steel pipe docking later, weld, be anticorrosion, especially when pipeline boxing is docked, can produce inclined arc or phenomenon of splashing down, have a strong impact on welding quality, thus affect construction quality further.
In addition, in steel pipe Pipe Cutting operation, normally after Pipe Cutting, carry out demagnetization, now, need an ad hoc demagnetization post to complete degaussing operation, this improves production cost to a certain extent, reduces production efficiency.
Utility model content
For prior art Problems existing, the purpose of this utility model is to provide one can improve degaussing efficiency, reduces the online degaussing gear of pipe end of labor intensity of operating staff.
For achieving the above object, the online degaussing gear of a kind of pipe end of the present utility model, comprising: anti-magnetized coil, wherein, also comprises: voltage regulator and DC rectifier device, and described DC rectifier device is connected between described voltage regulator and described anti-magnetized coil.
Further, the change over switch of anti-magnetized coil magnetic direction described in adjustable is connected with between described DC rectifier device and described anti-magnetized coil.
The online degaussing gear of a kind of pipe end of the present utility model, structure is simple, safe and reliable, special messenger need not operate, safely, efficiently can remove steel pipe magnetic.
Accompanying drawing explanation
Fig. 1 is the online degaussing gear structural representation of the utility model pipe end.
Wherein Reference numeral is: voltage regulator 1, DC rectifier device 2, change over switch 3, anti-magnetized coil 4.
Embodiment
Below, with reference to accompanying drawing, the utility model is more fully illustrated, shown in the drawings of exemplary embodiment of the present utility model.But the utility model can be presented as multiple multi-form, and should not be construed as the exemplary embodiment being confined to describe here.But, these embodiments are provided, thus make the utility model comprehensively with complete, and scope of the present utility model is fully conveyed to those of ordinary skill in the art.
As shown in Figure 1, the online degaussing gear of a kind of pipe end of the present utility model, comprising: the voltage regulator 1 connected successively, DC rectifier device 2, change over switch 3, and anti-magnetized coil 4.After industry alternating current converts certain voltage to by voltage regulator 1, again by DC rectifier device 2 and change over switch 3, be transported in anti-magnetized coil 4, anti-magnetized coil 4 produces a magnetic field thus with pipe end magnetic field interaction, reach the object eliminating pipe end magnetic.
Voltage regulator 1 can carry out adjustment to electric current and control, and by the Magnetic control in anti-magnetized coil 4 in strong and weak scope, thus reaches the object of steel pipe demagnetization.
Change over switch 3 according to the magnetic direction of the magnetic direction adjustment anti-magnetized coil 4 of pipe end, thus can better realize the demagnetization to pipe end.
When adopting the online degaussing gear of pipe end of the present utility model to carry out demagnetization, anti-magnetized coil 4 is placed on the centralizer of SSAW pipe unit back axle, then adjust anti-magnetized coil according to the remanent magnetism size of line Pipe pipe end and magnetic direction and carry out demagnetization, after this demagnetization mode can ensure Pipe Cutting, the remanent magnetism at steel pipe two ends meets the requirement of construction reference and client.In addition, this degaussing gear adopts dc erasing, can according to the size of the factor such as external diameter, thickness, the material adjustment coil of steel pipe remanence size and steel pipe, the number of turns and voltage, thus more effectively carry out demagnetization, avoid demagnetization in AC erasing not thoroughly, magnetic field the defect such as easily to recover.Even if when steel pipe remanence is larger, degaussing gear of the present utility model also can better carry out demagnetization.
The online degaussing gear of pipe end of the present utility model, structure is simple, safe and reliable, need not special messenger operate, and this device adopts 220V to exchange and is converted to adjustable DC power supply, powers lastingly, safely, improves degaussing effect.
Claims (2)
1. the online degaussing gear of pipe end, comprises anti-magnetized coil, it is characterized in that, also comprise: voltage regulator and DC rectifier device, and described DC rectifier device is connected between described voltage regulator and described anti-magnetized coil.
2. the online degaussing gear of pipe end as claimed in claim 1, is characterized in that: the change over switch being connected with anti-magnetized coil magnetic direction described in adjustable between described DC rectifier device and described anti-magnetized coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520844558.8U CN205069262U (en) | 2015-10-28 | 2015-10-28 | Online demagnetization device of steel pipe pipe end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520844558.8U CN205069262U (en) | 2015-10-28 | 2015-10-28 | Online demagnetization device of steel pipe pipe end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205069262U true CN205069262U (en) | 2016-03-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520844558.8U Active CN205069262U (en) | 2015-10-28 | 2015-10-28 | Online demagnetization device of steel pipe pipe end |
Country Status (1)
| Country | Link |
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| CN (1) | CN205069262U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113035496A (en) * | 2020-12-22 | 2021-06-25 | 陕西泰诺特检测技术有限公司 | Oil gas field pipeline demagnetizer |
-
2015
- 2015-10-28 CN CN201520844558.8U patent/CN205069262U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113035496A (en) * | 2020-12-22 | 2021-06-25 | 陕西泰诺特检测技术有限公司 | Oil gas field pipeline demagnetizer |
| CN113035496B (en) * | 2020-12-22 | 2023-01-24 | 陕西泰诺特检测技术有限公司 | Oil gas field pipeline demagnetizer |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |