Soldering method in high humidity environment

A welding method and high-humidity technology, applied in welding connection methods, welding equipment, welding accessories, etc., can solve problems such as poor welding quality, and achieve the effects of stable welding quality, reduced compression, and high welding efficiency.

Active Publication Date: 2021-01-26
THE SIXTH CONSTR CO LTD OF CHINA NAT CHEM ENG
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to overcome the shortcomings of poor welding quality in high-humidity environment, and adopt a welding drainage device with reasonable structure and convenient use to realize efficient and stable underwater partial dry welding

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  • Soldering method in high humidity environment
  • Soldering method in high humidity environment
  • Soldering method in high humidity environment

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Embodiment Construction

[0034] The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.

[0035] In the description of the present invention, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", " The orientations or positional relationships indicated by "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and are not indicative or implied. It should not be construed as limiting the invention that any method or element must have a specific orientation, be constructed and operate in a specific orientation.

[0036] In order to achieve these objects and other advantages according to the present invention, a welding method in a high hum...

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Abstract

The invention discloses a welding method in a high-humidity environment, which comprises the following steps: grinding the workpiece to be welded, removing the oxide layer, using a welding drainage device to drain the water on the surface of the workpiece to be welded, forming a local In the dry space, after the humidity in the drainage cover reaches the welding condition, arc welding is performed. After the welding is completed, the welding drainage device is continuously ventilated for a period of time. The welding drainage device adopted in the welding method of the present invention has a reasonable structure and is easy to use, and the welding method and the welding drainage device of the invention can realize efficient and stable underwater partial dry welding.

Description

technical field [0001] The invention relates to the field of underwater welding. More specifically, the present invention relates to soldering methods in high humidity environments. Background technique [0002] In a high-humidity environment, the welding rod will have defects such as increased spatter, increased arc blowing force, and poor coverage of slag during welding. In addition, the use of damp electrodes will also lead to problems such as difficult cleaning of welding slag and increased surface pores. Therefore, during the welding process, it is very important to control the humidity in the environment. Due to the stable and reliable quality of dry welding, it is the preferred method for underwater welding repair of important components. Partial dry welding is an underwater welding method in which the water in the area to be welded is drained through the drainage cover to form a dry space in which the arc burns stably. It has a simple structure, low construction cos...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K9/00B23K9/235B23K9/32
CPCB23K9/0061B23K9/235B23K9/323
Inventor 庞功报杜敬波李鹏郑豪杜敬辉王禹
Owner THE SIXTH CONSTR CO LTD OF CHINA NAT CHEM ENG
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