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A method of prefabrication and installation of the pipeline of the oxygen gun valve station of the turntable furnace

A converter oxygen lance and valve technology, which is applied in the field of pipeline prefabrication and installation of converter oxygen lance valve station, can solve the problems that the oxygen lance valve station cannot be put into production in time, and the delivery time of converter feeding across high-rise platforms is late, etc.

Active Publication Date: 2022-08-09
CHINA MCC17 GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to propose a method for prefabrication and installation of the pipeline of the converter oxygen lance valve station, to solve the construction period problem that the oxygen lance valve station cannot be put into production in time due to the late delivery time of the converter feeding across the high-rise platform, and to ensure the project Realization of construction node goals

Method used

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  • A method of prefabrication and installation of the pipeline of the oxygen gun valve station of the turntable furnace
  • A method of prefabrication and installation of the pipeline of the oxygen gun valve station of the turntable furnace
  • A method of prefabrication and installation of the pipeline of the oxygen gun valve station of the turntable furnace

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Embodiment 1

[0034] like figure 1 As shown, a method for prefabricating and installing a converter oxygen lance valve station pipeline includes the following construction steps:

[0035] A, oxygen lance valve station pipeline prefabrication preparation

[0036] A1. Communicate with the design institute and reconfirm whether there is any design change in the oxygen lance valve station pipeline drawing, so as to determine the theoretical size of the short pipe;

[0037] A2. According to the engineering quantity of the prefabricated parts of the oxygen lance valve station pipeline, set up a relatively closed ground prefabrication processing room, and take the relevant protection measures against wind, rain and dust for the prefabricated parts during the prefabrication process;

[0038] B. The size of the connecting short pipe of the oxygen lance valve station is determined

[0039] B1. According to the piping diagram of the oxygen lance valve station, combined with the setting position of t...

Embodiment 2

[0048] like Figure 2 to Figure 4 As shown, on the basis of Embodiment 1, a further preferred solution is that in step C4, when each pipeline and pipe-like components are welded, a connector is used for welding, and the connector includes a pipeline positioning piece 9, a pipeline positioning piece 10, The connecting piece and the electromagnet 12 are provided with a guide ring groove 13 on the opposite side of the first pipe positioning piece 9 and the second pipe positioning piece 10 , and the connecting piece includes a connecting part one 11 and a connecting part one 11. The second connecting portion 14, the first connecting portion 11 and the second connecting portion 14 are respectively slidably arranged inside the corresponding guide ring grooves 13, and the first connecting portion 11 and the second connecting portion 14 are both arranged in a U-shaped structure, and one end is rotatably connected, The other end is provided with a set of electromagnets 12, and the posi...

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Abstract

The invention discloses a pipeline prefabrication and installation method for a converter oxygen lance valve station, which belongs to the technical field of pipeline construction. In the invention, a pipe fitting or valve is firstly connected and fixed with one end of the short pipe on the ground, and the other end of the short pipe is longer than the theoretical size of the short pipe on the design drawing and then a certain reserved amount is formed to form the prefabricated part of the oxygen lance valve station pipeline. When the converter feeding cross-high-rise platform is delivered for construction, on the converter charging cross-high-rise platform, according to the oxygen lance valve station pipeline construction design drawings, the prefabricated components are arranged according to the oxygen lance valve station pipeline design, and the prefabricated components are sequentially aligned from one end to the other end. The length of the unconnected end of the short pipe on the component is intercepted according to the actual connection size on site, and then connected with the pipe fittings or valves on other prefabricated components. Through the connection of the above prefabricated components one by one, the online group pairing of the oxygen lance valve station pipeline is completed.

Description

technical field [0001] The invention belongs to a pipeline construction method, in particular to a method for pipeline prefabrication and installation of a converter oxygen lance valve station. Background technique [0002] The converter steelmaking production line is equipped with an oxygen lance valve station for top-blowing oxygen and nitrogen sources in the converter oxygen lance. The oxygen lance valve station is formed by connecting valves, pipe fittings and short pipes. The valves, pipe fittings and short pipes There are many welding joints and the quality of the connected welds is high. The oxygen lance valve station is usually set on the high-level platform of the converter feeding. Due to the large number of welding joints and the high quality of the connecting welds, the pipeline construction period of the entire oxygen lance valve station is long. In the past, the conventional practice was to hoist the pipes, fittings and valves of the oxygen lance valve station ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K31/02B23K37/04B23K37/02
CPCB23K31/02B23K37/0443B23K37/0252Y02P10/25
Inventor 朱道付赵崇林章凡非王乐陈圆陈生富张丽汪叔平章顺
Owner CHINA MCC17 GRP