CN201596841U - Zirconium pipeline field welding protective device - Google Patents
Zirconium pipeline field welding protective device Download PDFInfo
- Publication number
- CN201596841U CN201596841U CN2009202452309U CN200920245230U CN201596841U CN 201596841 U CN201596841 U CN 201596841U CN 2009202452309 U CN2009202452309 U CN 2009202452309U CN 200920245230 U CN200920245230 U CN 200920245230U CN 201596841 U CN201596841 U CN 201596841U
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- zirconium
- protective device
- welding
- protective cover
- pipeline field
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Abstract
The utility model relates to a zirconium pipeline field welding protective device, which well protects a welding joint and effectively prevents the intermediate-and high-temperature zone of the joint from oxidizing. The zirconium pipeline field welding protective device comprises a protective cover (1), wherein a shielding gas pipe (2) leading to a shielding gas source is arranged inside the protective cover (1), and the shielding gas is highly-pure argon gas.
Description
Technical field:
The utility model relates to a kind of welding protection device, is specifically related to the on-the-spot welding protection device of a kind of zirconium pipeline.
Background technology:
Along with continually developing of China's energy project, the acetic acid engineering is very fast in western part development in the civilian chemical industry; The zirconium pipeline is as the engineering emphasis in the acetic acid project of Yulin, and the welding of zirconium material just becomes key.Zirconium is as the very strong precious metal of a kind of activity, and is more in national strategy sector applications such as nuclear energy, Aero-Space, and chemical plant installations is mainly used its excellent corrosion resistance.Zirconium is to be positioned at periodic table of elements IVA subgroup element, and is similar to Titanium; Under the room temperature, crystal structure is the close-packed hexagonal lattice metal, is α-Zr structure, and its combination property is good, and heating, cooling procedure have phase transformation.Mechanical property under the room temperature: tensile strength 380MPa, yield strength 205MPa percentage elongation 16%, relatively its plasticity of titanium or titanium alloy, toughness are relatively poor.Zirconium also belongs to passivation type metal, the corrosion of the most of organic acids of fine and close passivating film ability, inorganic acid, highly basic, fuse salt, high-temperature water and the liquid metal of its generation, below the atmospheric boiling point temperature, the hydrochloric acid of all concentration there is the corrosion resistance of excellence, but can not resists the erosion of hydrofluoric acid.The zirconium material is a common used material in the reactor engineering; in recent years because its excellent acid; civilian chemical engineering also is widely adopted; but because the very easily oxidisability of zirconium metal solder; brought difficulty for the welding production of its structure; especially install at the scene of chemical process pipeline, prevents that the oxidation of welding point from need take special safeguard measure and welding procedure to achieve the goal.
The utility model content:
The utility model provides a kind of zirconium pipeline on-the-spot welding protection device for solving the weak point in the above-mentioned background technology, makes welding point obtain excellent protection, has effectively prevented the oxidation in joint medium and high temperature zone.
For achieving the above object, the technical solution adopted in the utility model is:
The on-the-spot welding protection device of a kind of zirconium pipeline is characterized in that: comprise protective cover, be provided with in the protective cover and lead to the protection tracheae of protecting source of the gas.
Above-mentioned protection source of the gas is a high-purity argon gas.
Compared with prior art, the advantage and the effect that the utlity model has are as follows:
The utility model is according to the caliber difference; adopt full guard and local protected mode respectively; both be convenient to operation; save cost again; make welding point obtain excellent protection; effectively prevented the oxidation in joint medium and high temperature zone,, satisfied zirconium material requirement of welding by protection gas and unified rational allocation inside and outside and welding gun protection gas.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a work schematic diagram of the present utility model.
Description of reference numerals is as follows: the 1-protective cover, 2-protects tracheae.
The specific embodiment:
Referring to Fig. 1, the utility model comprises protective cover 1, is provided with in the protective cover 1 to lead to the protection tracheae 2 of protecting source of the gas, and the protection source of the gas is a high-purity argon gas.Referring to Fig. 2, welding is all adopted and is not less than the protection of 99.999% high-purity argon, should begin welding during the inside pipe wall protection after the ventilation several seconds, and whole welding is crossed and remained back side inflation just can remove protection after the weldment temperature is reduced to 150 ℃.Front protecting adopts movable protective cover 1, and the making requirement of protective cover 1 can protect the metal of 150 ℃ of scopes to be subjected to the protection of high-purity argon in welding process all the time.
Claims (2)
1. the on-the-spot welding protection device of zirconium pipeline is characterized in that: comprise protective cover (1), be provided with in the protective cover and lead to the protection tracheae (2) of protecting source of the gas.
2. the on-the-spot welding protection device of zirconium pipeline according to claim 1 is characterized in that: the protection source of the gas is a high-purity argon gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202452309U CN201596841U (en) | 2009-11-13 | 2009-11-13 | Zirconium pipeline field welding protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202452309U CN201596841U (en) | 2009-11-13 | 2009-11-13 | Zirconium pipeline field welding protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201596841U true CN201596841U (en) | 2010-10-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202452309U Expired - Lifetime CN201596841U (en) | 2009-11-13 | 2009-11-13 | Zirconium pipeline field welding protective device |
Country Status (1)
| Country | Link |
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| CN (1) | CN201596841U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103240521A (en) * | 2013-05-24 | 2013-08-14 | 西安石油大学 | Device for providing protective gas for to-be-welded surface of high-frequency resistance weld pipe |
| CN105328297A (en) * | 2015-11-30 | 2016-02-17 | 含山瑞可金属有限公司 | Welding protection method, application and device |
| CN107825009A (en) * | 2017-10-31 | 2018-03-23 | 中国核工业二三建设有限公司 | A kind of air inflation protecting device for welding of pipeline |
| WO2018176856A1 (en) * | 2017-03-29 | 2018-10-04 | 广船国际有限公司 | Gas shield device for pipeline welding |
| CN109759672A (en) * | 2019-02-28 | 2019-05-17 | 航天材料及工艺研究所 | A kind of minor diameter high temperature alloy pipe closing chamber structure welding method |
| CN113579424A (en) * | 2021-08-18 | 2021-11-02 | 海盐得胜化工设备有限公司 | Zirconium plate welding process |
-
2009
- 2009-11-13 CN CN2009202452309U patent/CN201596841U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103240521A (en) * | 2013-05-24 | 2013-08-14 | 西安石油大学 | Device for providing protective gas for to-be-welded surface of high-frequency resistance weld pipe |
| CN105328297A (en) * | 2015-11-30 | 2016-02-17 | 含山瑞可金属有限公司 | Welding protection method, application and device |
| WO2018176856A1 (en) * | 2017-03-29 | 2018-10-04 | 广船国际有限公司 | Gas shield device for pipeline welding |
| CN107825009A (en) * | 2017-10-31 | 2018-03-23 | 中国核工业二三建设有限公司 | A kind of air inflation protecting device for welding of pipeline |
| CN109759672A (en) * | 2019-02-28 | 2019-05-17 | 航天材料及工艺研究所 | A kind of minor diameter high temperature alloy pipe closing chamber structure welding method |
| CN109759672B (en) * | 2019-02-28 | 2021-08-10 | 航天材料及工艺研究所 | Welding method for small-diameter high-temperature alloy pipe closed cavity structure |
| CN113579424A (en) * | 2021-08-18 | 2021-11-02 | 海盐得胜化工设备有限公司 | Zirconium plate welding process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170623 Address after: 712100 north side of two industrial park, Yangling demonstration zone, Shaanxi, Xi'an Patentee after: Shaanxi Xiyu Non-destructive Testing Company Address before: West Road Yangling District Shaanxi 712100 agricultural city of Xi'an province No. 32 Shaanxi Chemical-Engineering Construction Co chief engineer office Patentee before: Shaanxi Chemical Construction Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101006 |
|
| CX01 | Expiry of patent term |