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Alternating-current and direct-current dual-purpose high-blowing-force cellulose welding rod

It is a dual-purpose AC and DC technology with high blowing force. It is applied in the direction of welding medium, welding equipment, welding equipment, etc. It can solve the problems that the strength is not enough to meet the strength, and achieve the effect of beautiful shape, improved work efficiency, and reduced manual maintenance.

Active Publication Date: 2021-06-15
TIANJIN GOLDEN BRIDGE WELDING MATERIALS GRP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005]The current pipeline has been upgraded to X80 pipeline, the strength of conventional cellulose welding rod is not enough to meet the strength of today's steel pipe, so the performance and process optimization of traditional cellulose welding rod is the general trend

Method used

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  • Alternating-current and direct-current dual-purpose high-blowing-force cellulose welding rod
  • Alternating-current and direct-current dual-purpose high-blowing-force cellulose welding rod
  • Alternating-current and direct-current dual-purpose high-blowing-force cellulose welding rod

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Embodiment Construction

[0022] In addition to the definition, the technical terms used in the following examples have the same meaning as those in those skilled in the art of the present invention. The test reagents used in the following examples are all conventional biochemical agents, and the experimental methods, such as non-special descriptions, are conventional methods.

[0023] The present invention will be described in connection with the examples.

[0024] The hydrozo powder powder raw material of the present invention has been strictly dispristed, and each of the raw materials is a strict chemical component range, and controlling part of the raw material particle size (particles control through the screen, excluding large particles and uneven particles) To ensure the strength of the particles of the flux. In the production process, the full online monitoring is implemented, and the powder powder is prepared in a certain proportion, and the water glass is added to the excipient mixed powder, and ...

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Abstract

The invention provides an alternating-current and direct-current dual-purpose high-blowing-force cellulose welding rod which comprises a welding core and a coating, and the coating comprises the following components in parts by weight, 2-9 parts of rutile, 30-55 parts of microcrystalline fibers, 3-9 parts of carboxymethyl fibers, 3-9 parts of iron sand, 3-9 parts of ilmenite, 3-12 parts of high-carbon ferromanganese, 2-7 parts of titanium carbide, 2-7 parts of titanium dioxide, 5-15 parts of marble and 10-17 parts of magnesium carbonate. The cellulose welding rod can meet the outdoor operation welding requirements of large long-distance pipelines, petroleum pipelines and the like, slag removal is easy, welding bead forming is attractive, welding arc blowing force and single-face welding double-face forming are guaranteed, the mechanical property of welding seams is excellent, the cellulose welding rod can be used for welding of the large long-distance pipelines, the petroleum pipelines and the like, and the welding quality can be guaranteed.

Description

Technical field [0001] The present invention belongs to the technical field of welding materials, in particular, to a high-power-free cellulose electrode having a DC diofine cellulose electrode. Background technique [0002] As the main way for long-distance oil and gas delivery, with the development of my country's energy industry and the adjustment of energy structures, the construction of pipeline projects is developing rapidly. The construction of "West Gas East", "Northern Oil South" and other projects can see the importance of oil pipeline projects. [0003] Therefore, for the construction of pipeline welding, pipe welding technology is a key technique that must be ensured in construction. It is not only directly related to the welding quality, construction efficiency and cost of engineering, but also has important impact on safety and reliability and economic efficiency during line operation. . In the construction of the pipeline, the welding of pipe root welding is critic...

Claims

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Application Information

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IPC IPC(8): B23K35/02B23K35/36B23K31/02
CPCB23K35/0266B23K35/3601B23K31/02
Inventor 侯杰昌陈洋刘昕郝旭晨邢俊瑛崔清华黄万民段振洋
Owner TIANJIN GOLDEN BRIDGE WELDING MATERIALS GRP
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