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Method for welding coiler on large container

A processing method and technology for large containers, applied in the field of mechanical processing, can solve the problems of unreliable quality, labor-intensive waste, complicated manufacturing process, etc.

Active Publication Date: 2009-06-10
上海贤达美尔森过程设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This traditional processing method, the manufacturing process is very complicated, labor-intensive and waste materials, and the quality is not reliable, especially the circumferential butt joints between pipes, the welding technology is difficult, it is difficult to weld well, and the quantity is large ( Due to the limited length of the cut plates (each is only 6 meters), the leakage of the weld seam is increased, and the forming aesthetics of the entire coil appearance is greatly affected

Method used

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  • Method for welding coiler on large container

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Embodiment Construction

[0005] A processing method for welding a coiled pipe on a large container, which is characterized in that the method includes the following steps: A, processing the strip into a semicircular pipe; B, processing the semicircular pipe into an elbow with the required diameter of the container cylinder ; C. Wrap the elbow directly on the surface of the container cylinder; D weld the coil on the container.

[0006] Wherein step A comprises the following steps again: a, strip-shaped lath is processed into wide and shallow circular arc shape; B, wide and shallow circular arc shape is processed into narrower and deeper circular arc shape, and this circular arc shape between the arc shape of step a and the final semicircle; c, processing the arc shape of step b into the final semicircle. Step C further includes the following steps: d. placing the container cylinder on the rotary tire frame; e. rotating the rotary tire frame to make the cylinder rotate, and wrap the rolled bent pipe on ...

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Abstract

The process of welding coil onto large container includes the following steps: 1. machining plate into semi-circular pipe; 2. machining the semi-circular pipe into bend pipe for the container cylinder in the required diameter; 3. winding the bend pipe onto the surface of the container cylinder; and 4. welding the coil onto the container. The present invention has continuous operation, short production time, elimination of circumferencial weld seal, less leakage possibility and good appearance of the coil.

Description

Technical field: [0001] The invention relates to a mechanical processing method, in particular to a processing method for welding coiled pipes on a large container. Background technique: [0002] In order to cool or heat the medium in the pressure vessel, a coil is usually wound and welded on the outer shell of the vessel. The existing coil processing technology is: cutting the plate into slats, then making the slats into semicircular tubes, and then The straight semi-circular tube is bent into a disc semi-circular tube with the same diameter as the cylinder, and finally assembled on the container cylinder. After the assembly is fixed, the circumferential butt joint between the tube and the tube is welded first, and after grinding Reweld the fillet weld between the coiled tube and the cylinder. This traditional processing method, the manufacturing process is very complicated, labor-intensive and waste materials, and the quality is not reliable, especially the circumferentia...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K9/032B23K9/16B23K9/235B23K9/007
Inventor 裴可根李柔虎卫雪均夏郁郁
Owner 上海贤达美尔森过程设备有限公司
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