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Installation method of outdoor carbon steel oxygen transferring pipeline

An installation method, a technology of carbon steel, applied to tubular objects, applications, arc welding equipment, etc., can solve problems such as high labor intensity, low production efficiency, and difficulty in ensuring the quality of the installation process, so as to reduce labor intensity and energy consumption and construction costs, and the effect of improving labor productivity

Inactive Publication Date: 2015-09-16
湖北省建工工业设备安装有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide an installation method of an outdoor carbon steel oxygen pipeline to solve the technical problems in the prior art that the quality of the installation process is difficult to guarantee, the labor intensity is high, and the production efficiency is low

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  • Installation method of outdoor carbon steel oxygen transferring pipeline
  • Installation method of outdoor carbon steel oxygen transferring pipeline
  • Installation method of outdoor carbon steel oxygen transferring pipeline

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Embodiment Construction

[0040] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0041] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...

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Abstract

The invention provides an installation method of an outdoor carbon steel oxygen transferring pipeline. The installation method comprises a pipeline prefabrication step, a cleaning step and a pair installation step. The pipeline prefabrication step comprises following steps: adopting a mechanical cutting method to discharge pipe material in order to obtain multiple pipe segments, polishing and flattening two ends of multiple pipe segments, and bevelling two ends of the multiple pipe segments by adoption of a bevelling machine. The cleaning step comprises steps of carrying out degreasing, acid pickling, neutralizing and passivating treatment to the pipeline in order. The pair installation step comprises the step of adopting a pairing device to pair pipe sections with pipe sections on a pairing platform. An internal-opening pairing device is adopted by pipe sections with external diameters above 426 mm. An external-opening pairing device is adopted by pipe sections with external diameters below 426 mm. After pairing operation is finished on an assembly platform, tack welding is performed. Then, combined pipe segments are obtained by welding counter-opening seams. The combined pipe segments are hoisted at an installation position as required. Pairing welding is carried out among the combined pipe segments and installed fixing pipe segments. The installation method of the outdoor carbon steel oxygen transferring pipeline is low in labor intensity and high in production efficiency.

Description

technical field [0001] The invention relates to the technical field of industrial oxygen production engineering, in particular to an installation method of an outdoor carbon steel oxygen pipeline. Background technique [0002] The outdoor carbon steel oxygen pipeline is the transmission pipe from the oxygen compressor in the equipment room of the industrial oxygen production project to the gas storage tank, distribution station and end users. The material is seamless steel pipe, the material is Q235B, and the design pressure is 2.4MPa. Its installation and construction is the main operation item in the installation of gas, water, oxygen, nitrogen and refrigeration pipelines in industrial oxygen production projects. It has high technical requirements and complicated procedures, and is one of the restrictive links that affect the quality of the project. [0003] The practice of the prior art is to use oxy-acetylene cutters to manually slope the pipes to be welded at the constr...

Claims

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Application Information

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IPC IPC(8): B23K9/16B23K9/235B23K9/32
CPCB23K9/16B23K9/235B23K9/32B23K2101/06
Inventor 杜作林张伟张倩
Owner 湖北省建工工业设备安装有限公司
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