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Argon protection tooling for welding seam when zirconium material is welded

A technology of argon protection and position, applied in the direction of welding equipment, welding equipment, auxiliary welding equipment, etc., can solve the problems that the protective shell is easily damaged by heat, and the gas distribution inside the protective shell is uneven, so as to improve the welding protection effect and avoid Winding, the effect of ensuring welding quality

Active Publication Date: 2022-06-03
THE SIXTH CONSTR CO LTD OF CHINA NAT CHEM ENG
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Problems solved by technology

[0004] An object of the present invention is to provide an argon gas protection tool for the welding seam when welding zirconium materials, which solves the problems that the protective shell is easily damaged by long-term heat and the gas distribution inside the protective shell is uneven, and improves the argon gas protective tooling. The protective effect improves the welding quality

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  • Argon protection tooling for welding seam when zirconium material is welded
  • Argon protection tooling for welding seam when zirconium material is welded
  • Argon protection tooling for welding seam when zirconium material is welded

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Embodiment Construction

[0030] The present invention will be further described in detail below with reference to the accompanying drawings, so that those skilled in the art can implement it with reference to the description.

[0031] It should be noted that the experimental methods described in the following embodiments are conventional methods unless otherwise specified, and the reagents and materials can be obtained from commercial sources unless otherwise specified; in the description of the present invention, The terms "landscape", "portrait", "top", "bottom", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", The orientation or positional relationship indicated by "inside" and "outside" is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the indicated device or element must have The particular o...

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Abstract

The invention discloses an argon protective tooling for the welding seam when zirconium materials are welded. Each end is provided with an annular concave cavity, and the two ends of the protective shell are just correspondingly located in the annular grooves of a pair of fixed plates. The annular concave cavity and the annular groove on the corresponding side form a sealed ventilation cavity. The protective shell A serpentine cooling pipe is arranged inside the shell wall, which covers the entire protective shell, the inlet end of the cooling pipe is connected to the ventilation cavity, and the air outlet end is connected to the space between the protective shell and the zirconium tube; the shunt net , which is arranged in the space between the protective shell and the zirconium tube; the welding torch extends from the welding port to the weld seam where the two zirconium tubes are to be welded. The invention solves the problems that the protective shell is easily damaged by long-term heat and the gas distribution inside the protective shell is uneven, improves the protective effect of the argon gas protective tooling, and improves the welding quality.

Description

technical field [0001] The present invention relates to the field of welding technology. More specifically, the present invention relates to an argon gas shielding tooling for the welding seam during welding of zirconium materials. Background technique [0002] Zirconium is a corrosion-resistant metal material. It is an element with very active chemical properties. It is widely used in the food industry (acetic acid, acetic anhydride, amino acid, etc.), and it is easy to react with various gases in the atmosphere at high temperatures. . During zirconium welding, the weld and the heat-affected zone are easily contaminated by elements such as oxygen, hydrogen, and nitrogen in the air, forming hard and brittle compounds and brittle needle-like structures, which increase the hardness and strength of the welded joints. The plasticity decreases, and the corrosion resistance also decreases significantly, which seriously affects the quality of the weld. Therefore, the weld pool, ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K37/00B23K28/00
CPCB23K37/00B23K28/00Y02E30/30
Inventor 邓立东宋千航常爽白研李旭汤涌涛史康德
Owner THE SIXTH CONSTR CO LTD OF CHINA NAT CHEM ENG
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