CN202717819U - Online welding annealing device - Google Patents
Online welding annealing device Download PDFInfo
- Publication number
- CN202717819U CN202717819U CN 201220350383 CN201220350383U CN202717819U CN 202717819 U CN202717819 U CN 202717819U CN 201220350383 CN201220350383 CN 201220350383 CN 201220350383 U CN201220350383 U CN 201220350383U CN 202717819 U CN202717819 U CN 202717819U
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- China
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- heating power
- power supply
- magnetic conductive
- conductive tube
- weld joint
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Abstract
The utility model provides an online welding annealing device which comprises a magnetic conductive tube, wherein the magnetic conductive tube is wound with an induction heating coil device; a pipeline is arranged in the induction heating coil device; a water pump is arranged at a pipeline inlet; circulating water is arranged in the pipeline; rollers are arranged at an inlet and an outlet of the pipeline; a plane sensor is arranged at the rear end of a tube body of the magnetic conductive tube; the induction heating coil is connected with a heating power supply; the heating power supply and the plane sensor are respectively connected with a control system; and the heating power supply is an intermediate-frequency heating power supply. The online welding annealing device provided by the utility model has the benefits that the just-welded and quenched weld joint is heated to over critical temperature of the weld joint by the induction heating coil; the weld joint of the steel tube is annealed so as to prevent potential cracks of the weld joint; and the annealing of the weld joint is directly finished by adopting the plane sensor. The online welding annealing device has the advantages of simple structure, convenience in use, effective prevention of cracking of the weld joint, improved pressure resistance of the steel tube and the like.
Description
Technical field
The utility model belongs to welding field, especially relates to a kind of online post annealing device.
Background technology
Steam-heating pipe is applied to the various places that family life and work are produced, and raising of its stability and security has great significance, and more and more has been subject to common concern as the post annealing technology of one of steel pipe deep processing.There are the technical problems such as the weld seam crushing resistance is weak, weld seam is easy to crack in the steel pipe that existing post annealing technology is produced.
Summary of the invention
Problem to be solved in the utility model provides a kind of online post annealing device, is particluarly suitable for using in the production of steel pipe.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of online post annealing device, comprise magnetic conductive tube, be wound with load coil on the described magnetic conductive tube, be provided with pipeline in the described load coil, described entrance place is provided with water pump, be provided with recirculated water in the described pipeline, the entrance and exit place of described magnetic conductive tube is provided with running roller, described magnetic conductive tube body rear end is provided with planar inductor, described load coil connects heating power supply, and described heating power supply, planar inductor link to each other with Controlling System respectively.
Further, described heating power supply is medium frequency heating power source.
Advantage and the positively effect that the utlity model has are: owing to adopt technique scheme, by load coil just welding and being heated to it more than critical temperature with the weld seam that quenches, carry out steel pipe seam and anneal to prevent the weld seam potential crack, adopt planar inductor directly to finish the annealing of weld seam; Have simple in structurely, easy to use, effectively prevent weld cracking, improve the advantages such as steel pipe crushing resistance.
Description of drawings
Fig. 1 is the structural representation of a kind of online post annealing device of the utility model.
Among the figure:
1, magnetic conductive tube 2, load coil 3, planar inductor
4, running roller 5, heating power supply 6, steel pipe
7, Controlling System
Embodiment
As shown in Figure 1, a kind of online post annealing device of the utility model, comprise magnetic conductive tube 1, be wound with load coil 2 on the described magnetic conductive tube 1, be provided with pipeline in the described load coil 2, described entrance place is provided with water pump, be provided with recirculated water in the described pipeline, the entrance and exit place of described magnetic conductive tube 1 is provided with running roller 4, described magnetic conductive tube 1 body rear end is provided with planar inductor 3, described load coil 2 connects heating power supply 5, and described heating power supply 5, planar inductor 3 link to each other with Controlling System 7 respectively, and described heating power supply 5 is medium frequency heating power source.
The working process of this example: during use, to just weld and be transported in the magnetic conductive tube 1 by running roller 4 with the steel pipe 6 that quenches, by load coil 2 weld seam is heated to it more than critical temperature, carry out steel pipe 6 weld seams and anneal to prevent the weld seam potential crack, the temperature of the planar inductor 3 induction steel pipes 6 of magnetic conductive tube 1 body rear end, after arriving the final annealing temperature, by Controlling System 7 heating power supply 5 is closed.The steel pipe 6 of annealing transports magnetic conductive tube 1 by the running roller 7 in magnetic conductive tube 1 exit.
More than an embodiment of the present utility model is had been described in detail, but described content only is preferred embodiment of the present utility model, can not be considered to be used to limiting practical range of the present utility model.All equalizations of doing according to the utility model application range change and improve etc., all should still belong within the patent covering scope of the present utility model.
Claims (2)
1. online post annealing device, it is characterized in that: comprise magnetic conductive tube, be wound with load coil on the described magnetic conductive tube, be provided with pipeline in the described load coil, described entrance place is provided with water pump, is provided with recirculated water in the described pipeline, the entrance and exit place of described magnetic conductive tube is provided with running roller, described magnetic conductive tube body rear end is provided with planar inductor, and described load coil connects heating power supply, and described heating power supply, planar inductor link to each other with Controlling System respectively.
2. a kind of online post annealing device according to claim 1, it is characterized in that: described heating power supply is medium frequency heating power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220350383 CN202717819U (en) | 2012-07-19 | 2012-07-19 | Online welding annealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220350383 CN202717819U (en) | 2012-07-19 | 2012-07-19 | Online welding annealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202717819U true CN202717819U (en) | 2013-02-06 |
Family
ID=47619647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220350383 Expired - Fee Related CN202717819U (en) | 2012-07-19 | 2012-07-19 | Online welding annealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202717819U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106544493A (en) * | 2016-10-19 | 2017-03-29 | 中国神华能源股份有限公司 | The heat treatment method of attachment weld between the hand hole pipe of pipeline and end cap |
| CN111944986A (en) * | 2020-09-15 | 2020-11-17 | 应达工业（上海）有限公司 | Waste-free welding seam on-line annealing process |
-
2012
- 2012-07-19 CN CN 201220350383 patent/CN202717819U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106544493A (en) * | 2016-10-19 | 2017-03-29 | 中国神华能源股份有限公司 | The heat treatment method of attachment weld between the hand hole pipe of pipeline and end cap |
| CN111944986A (en) * | 2020-09-15 | 2020-11-17 | 应达工业（上海）有限公司 | Waste-free welding seam on-line annealing process |
| CN111944986B (en) * | 2020-09-15 | 2021-12-03 | 应达工业（上海）有限公司 | Waste-free welding seam on-line annealing process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20150719 |
|
| EXPY | Termination of patent right or utility model |