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Method and structure for welding sampling tube penetrating into medium container

A welding structure and welding method technology are applied in the field of sampling pipe welding method and structure to achieve the effects of reducing stress, preventing leakage, improving welding quality and welding reliability

Inactive Publication Date: 2009-11-25
HUADIAN HEAVY IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, it can also prevent the sampling tube from being fatigued and broken due to the pendulum effect.

Method used

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  • Method and structure for welding sampling tube penetrating into medium container
  • Method and structure for welding sampling tube penetrating into medium container
  • Method and structure for welding sampling tube penetrating into medium container

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Embodiment Construction

[0020] The method and device for welding the sampling tube deep into the medium container of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments, but it is not used as a basis for any limitation of the present invention.

[0021] Example. The sampling pipe welding method and device of the present invention deep into the medium container, such as figure 1 shown. The method is to process welding grooves on the bottom of the pipe seat and the top of the pipe seat respectively, and weld the welding groove on the bottom of the pipe seat to the medium container; In the measuring rod hole, the diameter Dd of the bottom surface of the welding groove at the bottom of the pipe seat is smaller than the diameter Dz of the sampling hole. The sampling pipe is extended through the pipe seat and the medium container into the medium container, and the sampling pipe is welded to the welding groove on the top of the pipe ...

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Abstract

The present invention discloses a method and a device for welding the sampling tube penetrating into the medium container. According to the method, the tube seat base and the tube seat roof are respectively processed with a welding bevel for welding the welding bevel at the base of the welding seat with the medium container. After the welding of the tube seat and the medium container, a rod measuring hole which penetrates the tube seat and the medium container is processed from the tube seat roof. The basal diameter Dd of the welding bevel of the tube seat base is smaller than the diameter Dz of the sampling hole. The sampling tube traverses the tube seat and the medium container and extends into the medium container. The sampling tube is welded with the welding bevel of the pipe seat roof. The sampling tube of the invention is easy welded, and the quality of the welding line is easy controlled. The external surface of the solder is an inclined surface or a cambered surface for reducing the stress at the welding joint. After welding, the processing of the through hole of the installed sampling tube is completed in one time so that the tube seat and the hole on the medium container satisfy the concentricity requirement.

Description

technical field [0001] The invention relates to a welding method and structure, in particular to a welding method and structure for a sampling tube that penetrates into a medium container. Background technique [0002] At present, the welding method and structure of the sampling tube deep into the medium container are like this. When welding the pipe seat on the medium container (pipe or equipment), generally the holes on the pipe seat and the medium container are processed first, and then the Align the hole on the tube base with the hole on the medium container to weld the tube base on the medium container. With this welding method and structure, the holes on the tube base and the holes on the medium container are not easy to align during the welding process. After welding, when connecting with the sampling tube, due to the holes on the tube base and the holes on the medium container If the concentricity is not good, it is difficult to insert the sampling tube, and sometim...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K31/02G01N1/02
Inventor 张洪元
Owner HUADIAN HEAVY IND CO LTD
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