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Pipeline factory prefabrication construction method

A construction method and factory-like technology are applied in the field of pipeline factory-like prefabrication to achieve the effects of improving welding accuracy, ensuring safety and reducing construction costs.

Active Publication Date: 2019-02-05
THE SIXTH CONSTR CO LTD OF CHINA NAT CHEM ENG
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  • Abstract
  • Description
  • Claims
  • Application Information

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Its process methods, process equipment, product quality and production efficiency have not undergone fundamental changes.

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  • Pipeline factory prefabrication construction method
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  • Pipeline factory prefabrication construction method

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Embodiment Construction

[0045] The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.

[0046] It should be noted that, in the description of the present invention, the terms "horizontal", "vertical", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. 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, and It is not to indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, or operate in a particular orientation, and thus should not be construed as limiting the invention.

[0047] The present invention provides a factory prefabricated co...

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Abstract

The invention discloses a factory prefabrication construction method for pipelines. The method comprises the following steps that 1, a three-dimension preassembly model of the pipelines is built; 2, the pipeline prefabrication degree is determined, drawing optimization is completed with a computer, pipeline and pipe fitting manufacturing units are determined, and a machining drawing is drawn out; 3, a pipeline factory assembly line machining process is made according to the machining drawing, and then according to the determined machining process, a prefabrication site is planned, and prefabrication devices are arranged; 4, a pipeline machining prefabrication factory is selected; 5, the prefabrication factory carries out factory machining prefabrication on the pipelines according to the machining drawing, and 6, the prefabricated pipelines and pipe fittings are transported to a construction site for installation, specifically, the prefabrication devices comprise the lifting pipeline prefabrication bracket. According to the factory prefabrication construction method for the pipelines, machining prefabrication is not affected by weather and conditions of the construction site, and through the factory production mode, the manufacturing cost is lowered, the construction efficiency can be improved, labor allocation on the site is relieved, and construction quality and safety of constructors can be guaranteed.

Description

technical field [0001] The invention relates to a pipeline construction method. More specifically, the present invention relates to a factory-like prefabrication construction method for pipelines. Background technique [0002] In the construction of modern petroleum, petrochemical, and chemical plants, it is well known that there are many types of pipeline installation projects, complex materials, heavy workload, and long construction period. About 50% of the total man-days of construction. With the progress of construction technology, the wide application of large cranes, high-efficiency automatic welding, factory prefabrication of steel structures, and the improvement of equipment manufacturing technology and service level, the problems of equipment installation, non-standard manufacturing and steel structure installation that restricted the construction period in the past have been solved. Better solution, and the degree of influence of the pipeline installation constru...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/00
CPCB23P15/00
Inventor 夏冰向加俊陈磊王金平李红斌
Owner THE SIXTH CONSTR CO LTD OF CHINA NAT CHEM ENG
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