Automatic welding method and system for nuclear-grade PE pipe

An automatic welding and pipe fitting technology, applied in the field of nuclear power, can solve the problems of large influence of human factors and low quality reliability, and achieve the effect of obvious superiority, stable welding quality, and elimination of the influence of human factors.

Inactive Publication Date: 2018-07-20
SHENZHEN FORESIGHT ELECTRICAL
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the embodiments of the present invention is to provide an automatic welding method and system for nuclear-grade PE pipe fittin

Method used

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  • Automatic welding method and system for nuclear-grade PE pipe
  • Automatic welding method and system for nuclear-grade PE pipe
  • Automatic welding method and system for nuclear-grade PE pipe

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Example

[0055] See figure 1 , Is a flowchart of the first embodiment of the intelligent welding method for nuclear power pipe fittings provided by the present invention, and the method includes:

[0056] Step S101: Scan the electronic label on the pipe to be welded. Wherein, the electronic tag is provided with information of the pipe fitting to be welded, such as pipe fitting type, pipe outer diameter, SDR, wall thickness, etc. The electronic tag may be an information identification such as RFID or a two-dimensional code.

[0057] Step S102: Read welding parameters corresponding to the electronic tag. Among them, the welding parameters may include preheating temperature, pipe planing pressure, leveling pressure, heating pressure, heating time, conversion time, welding pressure, pressure holding cooling time, etc.

[0058] Step S103: Import the welding parameters into the welding equipment, so that the welding equipment performs welding processing on the pipe fitting to be welded according ...

Example

[0060] See figure 2 , Is a flowchart of the second embodiment of the automatic welding method for nuclear-grade PE pipe fittings provided by the present invention. The method includes:

[0061] Step S201: Receive the pipe fitting to be welded.

[0062] Step S202: Scan the electronic label on the pipe to be welded. Wherein, the electronic tag is provided with information of the pipe fitting to be welded, such as pipe fitting type, pipe outer diameter, SDR, wall thickness, etc. The electronic tag may be an information identification such as RFID or a two-dimensional code.

[0063] Step S203: Read the welding parameters corresponding to the electronic tag. Welding parameters can include preheating temperature, planing pressure, leveling pressure, heating pressure, heating time, conversion time, welding pressure, pressure holding cooling time, etc.

[0064] Step S204: Import the welding parameters into the welding equipment.

[0065] Step S205: Perform welding processing on the pipe fit...

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Abstract

The embodiment of the invention discloses an automatic welding method and system for a nuclear-grade PE pipe. The method comprises the following steps that an electronic tag on a to-be-welded pipe isscanned; welding parameters corresponding to the electronic tag are read; and the welding parameters are imported into welding equipment, and the welding equipment carries out welding treatment on theto-be-welded pipe according to the welding parameters. According to the method, the electronic tag is arranged on the to-be-welded pipe in advance, so that the information of the to-be-welded pipe can be automatically identified, the influence of human factors is eliminated to the maximum extent by a simple means, and compared with manual welding, the welding quality is more stable; the application superiority of the automatic welding technology in the welding process of a main pipeline of a nuclear power station is more obvious, and the method has an important improvement effect on further improving the welding quality of the nuclear power station, further shortening the welding period, and further reducing the nuclear power construction cost.

Description

Technical field [0001] The invention relates to the field of nuclear power, in particular to an automatic welding method and system for nuclear-grade PE pipe fittings. Background technique [0002] During the welding of pipe fittings, the engineering volume is the largest in the construction and installation of nuclear power plants. The installation volume of pipe fittings for a single million-kilowatt nuclear power unit is nearly 125,000 m2. The welding quality of nuclear power pipe fittings is high, and the quality requirements are strict. The current manual welding method is not only inefficient, but the quality of the project is greatly affected by the welder's skills, and the quality cannot be guaranteed. [0003] For example, the output of the welding machine is determined by PE pipe fittings, and PE pipe fittings are often inconvenient to measure. At present, it is common to operate PE pipe fittings, and the difference of PE pipe fittings corresponds to the different weldin...

Claims

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Application Information

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IPC IPC(8): B29C65/02
Inventor 黄启航
Owner SHENZHEN FORESIGHT ELECTRICAL
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